gcc/ChangeLog

   1 2017-09-14  Richard Sandiford  <richard.sandiford@linaro.org>
   2             Alan Hayward  <alan.hayward@arm.com>
   3             David Sherwood  <david.sherwood@arm.com>
   4
   5         * tree-core.h (tree_base::u): Add an "nelts" field.
   6         (tree_vector): Use VECTOR_CST_NELTS as the length.
   7         * tree.c (tree_size): Likewise.
   8         (make_vector): Initialize VECTOR_CST_NELTS.
   9         * tree.h (VECTOR_CST_NELTS): Use the u.nelts field.
  10         * cfgexpand.c (expand_debug_expr): Use VECTOR_CST_NELTS instead of
  11         TYPE_VECTOR_SUBPARTS.
  12         * expr.c (const_vector_mask_from_tree): Consistently use "units"
  13         as the number of units, setting it from VECTOR_CST_NELTS.
  14         (const_vector_from_tree): Likewise.
  15         * fold-const.c (negate_expr_p): Use VECTOR_CST_NELTS instead of
  16         TYPE_VECTOR_SUBPARTS for the number of elements in a VECTOR_CST.
  17         (fold_negate_expr_1): Likewise.
  18         (fold_convert_const): Likewise.
  19         (const_binop): Likewise.  Differentiate the number of output and
  20         input elements.
  21         (const_unop): Likewise.
  22         (fold_ternary_loc): Use VECTOR_CST_NELTS for the number of elements
  23         in a VECTOR_CST, asserting that it is the same as TYPE_VECTOR_SUBPARTS
  24         in cases that did the opposite.
  25
  26 2017-09-14  Richard Biener  <rguenther@suse.de>
  27
  28         * tree-ssa-sccvn.c (visit_phi): Merge undefined values similar
  29         to VN_TOP.
  30
  31 2017-09-14  Eric Botcazou  <ebotcazou@adacore.com>
  32
  33         * dwarf2out.c (dwarf2out_source_line): Remove superfluous test.
  34
  35 2017-09-14  Jakub Jelinek  <jakub@redhat.com>
  36
  37         PR target/81325
  38         * cfgbuild.c (find_bb_boundaries): Ignore debug insns in decisions
  39         if and where to split a bb, except for splitting before debug insn
  40         sequences followed by non-label real insn.  Delete debug insns
  41         in between basic blocks.
  42
  43         * combine.c (make_compound_operation_int): Formatting fixes.
  44
  45         * config/alpha/elf.h (LINK_EH_SPEC): Add -static-pie support.
  46         * config/alpha/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  47         * config/netbsd.h (LINK_EH_SPEC): Likewise.
  48         * config/sol2.h (LINK_EH_SPEC): Likewise.
  49         * config/arm/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  50         * config/s390/linux.h (LINK_SPEC): Likewise.
  51         * config/freebsd.h (LINK_EH_SPEC): Likewise.
  52         * config/openbsd.h (LINK_EH_SPEC): Likewise.
  53         * config/lm32/uclinux-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  54         * config/aarch64/aarch64-linux.h (LINUX_TARGET_LINK_SPEC): Likewise.
  55         * config/powerpcspe/sysv4.h (LINK_EH_SPEC): Likewise.
  56         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
  57         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Fix a typo.
  58         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Formatting fix.
  59
  60 2017-09-13  Jakub Jelinek  <jakub@redhat.com>
  61
  62         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Add -static-pie
  63         support.
  64         (ENDFILE_LINUX_SPEC): Likewise.
  65         (LINK_EH_SPEC): Likewise.
  66         * config/rs6000/linux64.h (LINK_SHLIB_SPEC): Likewise.
  67         (LINK_OS_LINUX_SPEC32): Likewise.
  68         (LINK_OS_LINUX_SPEC64): Likewise.
  69         * config/rs6000/linux.h (LINK_SHLIB_SPEC): Likewise.
  70         (LINK_OS_LINUX_SPEC): Likewise.
  71
  72 2017-09-13  Martin Liska  <mliska@suse.cz>
  73
  74         PR middle-end/82154
  75         * stmt.c (expand_sjlj_dispatch_table): Use CASE_LOW when
  76         CASE_HIGH is NULL_TREE.
  77
  78 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
  79             Alan Hayward  <alan.hayward@arm.com>
  80             David Sherwood  <david.sherwood@arm.com>
  81
  82         * target.def (secondary_memory_needed): New hook.
  83         (secondary_reload): Refer to TARGET_SECONDARY_MEMORY_NEEDED
  84         instead of SECONDARY_MEMORY_NEEDED.
  85         (secondary_memory_needed_mode): Likewise.
  86         * hooks.h (hook_bool_mode_reg_class_t_reg_class_t_false): Declare.
  87         * hooks.c (hook_bool_mode_reg_class_t_reg_class_t_false): New function.
  88         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED): Replace with...
  89         (TARGET_SECONDARY_MEMORY_NEEDED): ...this.
  90         (SECONDARY_MEMORY_NEEDED_RTX): Update reference accordingly.
  91         * doc/tm.texi: Regenerate.
  92         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Delete.
  93         * config/alpha/alpha.c (alpha_secondary_memory_needed): New function.
  94         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
  95         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED): Delete.
  96         * config/i386/i386-protos.h (ix86_secondary_memory_needed): Delete.
  97         * config/i386/i386.c (inline_secondary_memory_needed): Put the
  98         mode argument first and change the reg_class arguments to reg_class_t.
  99         (ix86_secondary_memory_needed): Likewise.  Remove the strict parameter.
 100         Make static.  Update the call to inline_secondary_memory_needed.
 101         (ix86_register_move_cost): Update the call to
 102         inline_secondary_memory_needed.
 103         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 104         * config/ia64/ia64.h (SECONDARY_MEMORY_NEEDED): Delete commented-out
 105         definition.
 106         * config/ia64/ia64.c (spill_xfmode_rfmode_operand): Refer to
 107         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 108         in comment.
 109         * config/mips/mips.h (SECONDARY_MEMORY_NEEDED): Delete.
 110         * config/mips/mips-protos.h (mips_secondary_memory_needed): Delete.
 111         * config/mips/mips.c (mips_secondary_memory_needed): Make static
 112         and match hook interface.  Add comment from mips.h.
 113         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 114         * config/mmix/mmix.md (truncdfsf2): Refer to
 115         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 116         in comment.
 117         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED): Rename to...
 118         (PA_SECONDARY_MEMORY_NEEDED): ...this, and put the mode argument first.
 119         * config/pa/pa.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 120         (pa_secondary_memory_needed): New function.
 121         * config/pdp11/pdp11.h (SECONDARY_MEMORY_NEEDED): Delete.
 122         * config/pdp11/pdp11-protos.h (pdp11_secondary_memory_needed): Delete.
 123         * config/pdp11/pdp11.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 124         (pdp11_secondary_memory_needed): Make static and match hook interface.
 125         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED): Delete.
 126         * config/powerpcspe/powerpcspe-protos.h
 127         (rs6000_secondary_memory_needed_ptr): Delete.
 128         * config/powerpcspe/powerpcspe.c (rs6000_secondary_memory_needed_ptr):
 129         Delete.
 130         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 131         (rs6000_option_override_internal): Assign to
 132         targetm.secondary_memory_needed rather than
 133         rs6000_secondary_memory_needed_ptr.
 134         (rs6000_secondary_memory_needed): Match hook interface.
 135         (rs6000_debug_secondary_memory_needed): Likewise.
 136         * config/riscv/riscv.h (SECONDARY_MEMORY_NEEDED): Delete.
 137         * config/riscv/riscv.c (riscv_secondary_memory_needed): New function.
 138         (riscv_register_move_cost): Use it instead of SECONDARY_MEMORY_NEEDED.
 139         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 140         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED): Delete.
 141         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_ptr):
 142         Delete.
 143         * config/rs6000/rs6000.c (rs6000_secondary_memory_needed_ptr): Delete.
 144         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 145         (rs6000_option_override_internal): Assign to
 146         targetm.secondary_memory_needed rather than
 147         rs6000_secondary_memory_needed_ptr.
 148         (rs6000_secondary_memory_needed): Match hook interface.
 149         (rs6000_debug_secondary_memory_needed): Likewise.
 150         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Delete.
 151         * config/s390/s390.c (s390_secondary_memory_needed): New function.
 152         (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 153         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED): Delete.
 154         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED): Redefine.
 155         (sparc_secondary_memory_needed): New function.
 156         * lra-constraints.c (check_and_process_move): Refer to
 157         TARGET_SECONDARY_MEMORY_NEEDED rather than SECONDARY_MEMORY_NEEDED
 158         in comment.
 159         (curr_insn_transform): Likewise.
 160         (process_alt_operands): Use targetm.secondary_memory_needed
 161         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 162         (check_secondary_memory_needed_p): Likewise.
 163         (choose_split_class): Likewise.
 164         * reload.c: Unconditionally include code that was previously
 165         conditional on SECONDARY_MEMORY_NEEDED.
 166         (push_secondary_reload): Use targetm.secondary_memory_needed
 167         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 168         (push_reload): Likewise.
 169         * reload1.c: Unconditionally include code that was previously
 170         conditional on SECONDARY_MEMORY_NEEDED.
 171         (choose_reload_regs): Use targetm.secondary_memory_needed
 172         instead of TARGET_SECONDARY_MEMORY_NEEDED.
 173         (gen_reload): Likewise.
 174         * system.h (SECONDARY_MEMORY_NEEDED): Poison.
 175
 176 2017-09-13  Richard Sandiford  <richard.sandiford@linaro.org>
 177             Alan Hayward  <alan.hayward@arm.com>
 178             David Sherwood  <david.sherwood@arm.com>
 179
 180         * target.def (secondary_memory_needed_mode): New hook:
 181         * targhooks.c (default_secondary_memory_needed_mode): Declare.
 182         * targhooks.h (default_secondary_memory_needed_mode): New function.
 183         * doc/tm.texi.in (SECONDARY_MEMORY_NEEDED_MODE): Replace with...
 184         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): ...this.
 185         * doc/tm.texi: Regenerate.
 186         * lra-constraints.c (check_and_process_move): Use
 187         targetm.secondary_memory_needed_mode instead of
 188         TARGET_SECONDARY_MEMORY_NEEDED_MODE.
 189         (curr_insn_transform): Likewise.
 190         * reload.c (get_secondary_mem): Likewise.
 191         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 192         * config/alpha/alpha.c (alpha_secondary_memory_needed_mode): New
 193         function.
 194         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 195         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 196         * config/i386/i386.c (ix86_secondary_memory_needed_mode): New function.
 197         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 198         * config/powerpcspe/powerpcspe.h (SECONDARY_MEMORY_NEEDED_MODE):
 199         Delete.
 200         * config/powerpcspe/powerpcspe-protos.h
 201         (rs6000_secondary_memory_needed_mode): Delete.
 202         * config/powerpcspe/powerpcspe.c
 203         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 204         (rs6000_secondary_memory_needed_mode): Make static.
 205         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 206         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_mode):
 207         Delete.
 208         * config/rs6000/rs6000.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
 209         Redefine.
 210         (rs6000_secondary_memory_needed_mode): Make static.
 211         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 212         * config/s390/s390.c (s390_secondary_memory_needed_mode): New function.
 213         (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Redefine.
 214         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Delete.
 215         * config/sparc/sparc.c (TARGET_SECONDARY_MEMORY_NEEDED_MODE):
 216         Redefine.
 217         (sparc_secondary_memory_needed_mode): New function.
 218         * system.h (TARGET_SECONDARY_MEMORY_NEEDED_MODE): Poison.
 219
 220 2017-09-13  Jackson Woodruff  <jackson.woodruff@arm.com>
 221
 222         * config/aarch64/constraints.md (Umq): New constraint.
 223         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>):
 224         Change to use Umq.
 225         (mov<mode>): Update condition.
 226
 227 2017-09-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 228
 229         * gimple-ssa-store-merging.c (sort_by_bitpos): Compare store order
 230         when bitposition is the same.
 231
 232 2017-09-13  Richard Biener  <rguenther@suse.de>
 233
 234         * dwarf2out.c (output_die_symbol): Remove.
 235         (output_die): Do not output a DIEs symbol.
 236
 237 2017-09-13  Richard Biener  <rguenther@suse.de>
 238
 239         PR middle-end/82128
 240         * gimple-fold.c (gimple_fold_call): Update SSA name in-place to
 241         default-def to avoid breaking iterator update with the weird
 242         interaction with cgraph_update_edges_for_call_stmt_node.
 243
 244 2017-09-13  Richard Biener  <rguenther@suse.de>
 245
 246         * tree-cfg.c (verify_gimple_assign_binary): Add verification
 247         for WIDEN_SUM_EXPR, VEC_WIDEN_MULT_{HI,LO,EVEN,ODD}_EXPR,
 248         VEC_PACK_{TRUNC,SAT,FIX_TRUNC}_EXPR.
 249         (verify_gimple_assign_ternary): Add verification for DOT_PROD_EXPR.
 250
 251 2017-09-13  Kugan Vivekanandarajah  <kuganv@linaro.org>
 252
 253         * config/aarch64/aarch64.c (aarch64_override_options_after_change_1):
 254         Disable pc relative literal load irrespective of
 255         TARGET_FIX_ERR_A53_84341 for default.
 256
 257 2017-09-12  Eric Botcazou  <ebotcazou@adacore.com>
 258
 259         * config/sparc/sparc.c (output_return): Output the source location of
 260         the insn in the delay slot, if any.
 261         (output_sibcall): Likewise.
 262
 263 2017-09-12  H.J. Lu  <hongjiu.lu@intel.com>
 264
 265         PR driver/81498
 266         * common.opt (-static-pie): New alias.
 267         (shared): Negate static-pie.
 268         (-no-pie): Update help text.
 269         (-pie): Likewise.
 270         (static-pie): New option.
 271         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Add
 272         -static-pie support.
 273         (GNU_USER_TARGET_ENDFILE_SPEC): Likewise.
 274         (LINK_EH_SPEC): Likewise.
 275         (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
 276         * config/i386/gnu-user.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
 277         * config/i386/gnu-user64.h (GNU_USER_TARGET_LINK_SPEC): Likewise.
 278         * gcc.c (LINK_COMMAND_SPEC): Likewise.
 279         (init_gcc_specs): Likewise.
 280         (init_spec): Likewise.
 281         (display_help): Update help message for -pie.
 282         * doc/invoke.texi: Update -pie, -no-pie and -static.  Document
 283         -static-pie.
 284
 285 2017-09-12  Wilco Dijkstra  <wdijkstr@arm.com>
 286
 287         * config/aarch64/aarch64.md (movsi_aarch64): Remove all '*'.
 288         (movdi_aarch64): Likewise.
 289         (movti_aarch64): Likewise.
 290
 291 2017-09-12 Simon Wright <simon@pushface.org>
 292
 293         PR target/80204
 294         * config/darwin-driver.c (darwin_find_version_from_kernel): Eliminate
 295         calculation of the minor version, always output as 0.
 296
 297 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 298
 299         PR target/82112
 300         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
 301         ALTIVEC_BUILTIN_VEC_LD if arg1 has array type call default_conversion
 302         on it early, rather than manual conversion late.  For
 303         ALTIVEC_BUILTIN_VEC_ST if arg2 has array type call default_conversion
 304         instead of performing manual conversion.
 305
 306 2017-09-12  Carl Love  <cel@us.ibm.com>
 307
 308         * config/rs6000/altivec.md (vec_widen_umult_even_v4si,
 309         vec_widen_smult_even_v4si): Add define expands for vmuleuw, vmulesw,
 310         vmulouw, vmulosw.
 311         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
 312         VMULOSW): Add definitions.
 313         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
 314         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
 315         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
 316         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
 317         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
 318
 319 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
 320
 321         * config/aarch64/aarch64.md (movdi_aarch64): Set load/store
 322         types correctly.
 323         (movti_aarch64): Likewise.
 324         (movdf_aarch64): Likewise.
 325         (movtf_aarch64): Likewise.
 326         (load_pairdi): Likewise.
 327         (store_pairdi): Likewise.
 328         (load_pairdf): Likewise.
 329         (store_pairdf): Likewise.
 330         (loadwb_pair<GPI:mode>_<P:mode>): Likewise.
 331         (storewb_pair<GPI:mode>_<P:mode>): Likewise.
 332         (ldr_got_small_<mode>): Likewise.
 333         (ldr_got_small_28k_<mode>): Likewise.
 334         (ldr_got_tiny): Likewise.
 335         * config/aarch64/iterators.md (ldst_sz): New.
 336         (ldpstp_sz): Likewise.
 337         * config/aarch64/thunderx.md (thunderx_storepair): Split store_8
 338         to store_16.
 339         (thunderx_load): Split load_8 to load_16.
 340         * config/aarch64/thunderx2t99.md (thunderx2t99_loadpair): Split
 341         load_8 to load_16.
 342         (thunderx2t99_storepair_basic): Split store_8 to store_16.
 343         * config/arm/xgene1.md (xgene1_load_pair): Split load_8 to load_16.
 344         (xgene1_store_pair): Split store_8 to store_16.
 345         * config/aarch64/falkor.md (falkor_ld_3_ld): Split load_8 to load_16.
 346         (falkor_st_0_st_sd): Split store_8 to store_16.
 347
 348 2017-09-12  James Greenhalgh  <james.greenhalgh@arm.com>
 349
 350         * config/arm/types.md (type): Rename load1/2/3/4 to load_4/8/12/16
 351         and store1/2/3/4 to store_4/8/12/16.
 352         * config/aarch64/aarch64.md: Update for rename.
 353         * config/arm/arm.md: Likewise.: Likewise.
 354         * config/arm/arm.c: Likewise.
 355         * config/arm/thumb1.md: Likewise.
 356         * config/arm/thumb2.md: Likewise.
 357         * config/arm/vfp.md: Likewise.
 358         * config/arm/arm-generic.md: Likewise.
 359         * config/arm/arm1020e.md: Likewise.
 360         * config/arm/arm1026ejs.md: Likewise.
 361         * config/arm/arm1136jfs.md: Likewise.
 362         * config/arm/arm926ejs.md: Likewise.
 363         * config/arm/cortex-a15.md: Likewise.
 364         * config/arm/cortex-a17.md: Likewise.
 365         * config/arm/cortex-a5.md: Likewise.
 366         * config/arm/cortex-a53.md: Likewise.
 367         * config/arm/cortex-a57.md: Likewise.
 368         * config/arm/cortex-a7.md: Likewise.
 369         * config/arm/cortex-a8.md: Likewise.
 370         * config/arm/cortex-a9.md: Likewise.
 371         * config/arm/cortex-m4.md: Likewise.
 372         * config/arm/cortex-m7.md: Likewise.
 373         * config/arm/cortex-r4.md: Likewise.
 374         * config/arm/exynos-m1.md: Likewise.
 375         * config/arm/fa526.md: Likewise.
 376         * config/arm/fa606te.md: Likewise.
 377         * config/arm/fa626te.md: Likewise.
 378         * config/arm/fa726te.md: Likewise.
 379         * config/arm/fmp626.md: Likewise.
 380         * config/arm/iwmmxt.md: Likewise.
 381         * config/arm/ldmstm.md: Likewise.
 382         * config/arm/marvell-pj4.md: Likewise.
 383         * config/arm/xgene1.md: Likewise.
 384         * config/aarch64/thunderx.md: Likewise.
 385         * config/aarch64/thunderx2t99.md: Likewise.
 386         * config/aarch64/falkor.md: Likewise.
 387
 388 2017-09-12  Martin Liska  <mliska@suse.cz>
 389
 390         * attribs.c (private_lookup_attribute): New function.
 391         * attribs.h (private_lookup_attribute): Declared here.
 392         (lookup_attribute): Called from this place.
 393
 394 2017-09-12  Richard Biener  <rguenther@suse.de>
 395
 396         PR tree-optimization/82157
 397         * tree-ssa-pre.c (remove_dead_inserted_code): Do not remove
 398         stmts with side-effects.
 399
 400 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 401             Alan Hayward  <alan.hayward@arm.com>
 402             David Sherwood <david.sherwood@arm.com>
 403
 404         * target.def (hard_regno_nregs): New hook.
 405         (class_max_nregs): Refer to it instead of HARD_REGNO_NREGS.
 406         * targhooks.h (default_hard_regno_nregs): Declare.
 407         * targhooks.c (default_hard_regno_nregs): New function.
 408         * doc/tm.texi.in (HARD_REGNO_NREGS): Replace with...
 409         (TARGET_HARD_REGNO_NREGS): ...this hook.
 410         (HARD_REGNO_NREGS_HAS_PADDING): Update accordingly.
 411         (CLASS_MAX_NREGS): Likewise.
 412         * doc/tm.texi: Regenerate.
 413         * reginfo.c (init_reg_modes_target): Use targetm.hard_regno_nregs
 414         instead of HARD_REGNO_NREGS.
 415         * rtl.h (REG_NREGS): Refer to TARGET_HARD_REGNO_NREGS rather than
 416         HARD_REGNO_NREGS in the comment.
 417         * config/aarch64/aarch64.h (HARD_REGNO_NREGS): Delete.
 418         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_nregs): Delete.
 419         * config/aarch64/aarch64.c (aarch64_hard_regno_nregs): Make static.
 420         Return an unsigned int.
 421         (TARGET_HARD_REGNO_NREGS): Redefine.
 422         * config/alpha/alpha.h (HARD_REGNO_NREGS): Delete.
 423         * config/arc/arc.h (HARD_REGNO_NREGS): Delete.
 424         * config/arc/arc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 425         (arc_hard_regno_nregs): New function.
 426         * config/arm/arm.h (HARD_REGNO_NREGS): Delete.
 427         * config/arm/arm.c (TARGET_HARD_REGNO_NREGS): Redefine.
 428         (arm_hard_regno_nregs): New function.
 429         * config/avr/avr.h (HARD_REGNO_NREGS): Delete.
 430         * config/bfin/bfin.h (HARD_REGNO_NREGS): Delete.
 431         * config/bfin/bfin.c (bfin_hard_regno_nregs): New function.
 432         (TARGET_HARD_REGNO_NREGS): Redefine.
 433         * config/c6x/c6x.h (HARD_REGNO_NREGS): Delete.
 434         * config/cr16/cr16.h (LONG_REG_P): Use targetm.hard_regno_nregs.
 435         (HARD_REGNO_NREGS): Delete.
 436         * config/cr16/cr16.c (TARGET_HARD_REGNO_NREGS): Redefine.
 437         (cr16_hard_regno_nregs): New function.
 438         (cr16_memory_move_cost): Use it instead of HARD_REGNO_NREGS.
 439         * config/cris/cris.h (HARD_REGNO_NREGS): Delete.
 440         * config/cris/cris.c (TARGET_HARD_REGNO_NREGS): Redefine.
 441         (cris_hard_regno_nregs): New function.
 442         * config/epiphany/epiphany.h (HARD_REGNO_NREGS): Delete.
 443         * config/fr30/fr30.h (HARD_REGNO_NREGS): Delete.
 444         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 445         * config/frv/frv.h (HARD_REGNO_NREGS): Delete.
 446         (CLASS_MAX_NREGS): Remove outdated copy of documentation.
 447         * config/frv/frv-protos.h (frv_hard_regno_nregs): Delete.
 448         * config/frv/frv.c (TARGET_HARD_REGNO_NREGS): Redefine.
 449         (frv_hard_regno_nregs): Make static.  Take and return an
 450         unsigned int.
 451         (frv_class_max_nregs): Remove outdated copy of documentation.
 452         * config/ft32/ft32.h (HARD_REGNO_NREGS): Delete.
 453         * config/h8300/h8300.h (HARD_REGNO_NREGS): Delete.
 454         * config/h8300/h8300-protos.h (h8300_hard_regno_nregs): Delete.
 455         * config/h8300/h8300.c (h8300_hard_regno_nregs): Delete.
 456         * config/i386/i386.h (HARD_REGNO_NREGS): Delete.
 457         * config/i386/i386.c (ix86_hard_regno_nregs): New function.
 458         (TARGET_HARD_REGNO_NREGS): Redefine.
 459         * config/ia64/ia64.h (HARD_REGNO_NREGS): Delete.
 460         (CLASS_MAX_NREGS): Update comment.
 461         * config/ia64/ia64.c (TARGET_HARD_REGNO_NREGS): Redefine.
 462         (ia64_hard_regno_nregs): New function.
 463         * config/iq2000/iq2000.h (HARD_REGNO_NREGS): Delete.
 464         * config/lm32/lm32.h (HARD_REGNO_NREGS): Delete.
 465         * config/m32c/m32c.h (HARD_REGNO_NREGS): Delete.
 466         * config/m32c/m32c-protos.h (m32c_hard_regno_nregs): Delete.
 467         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Take and return
 468         an unsigned int.
 469         (m32c_hard_regno_nregs): Likewise.  Make static.
 470         (TARGET_HARD_REGNO_NREGS): Redefine.
 471         * config/m32r/m32r.h (HARD_REGNO_NREGS): Delete.
 472         * config/m68k/m68k.h (HARD_REGNO_NREGS): Delete.
 473         * config/m68k/m68k.c (TARGET_HARD_REGNO_NREGS): Redefine.
 474         (m68k_hard_regno_nregs): New function.
 475         * config/mcore/mcore.h (HARD_REGNO_NREGS): Delete.
 476         * config/microblaze/microblaze.h (HARD_REGNO_NREGS): Delete.
 477         * config/mips/mips.h (HARD_REGNO_NREGS): Delete.
 478         * config/mips/mips-protos.h (mips_hard_regno_nregs): Delete.
 479         * config/mips/mips.c (mips_hard_regno_nregs): Make static.
 480         Take and return an unsigned int.
 481         (TARGET_HARD_REGNO_NREGS): Redefine.
 482         * config/mmix/mmix.h (HARD_REGNO_NREGS): Delete.
 483         (CLASS_MAX_NREGS): Use targetm.hard_regno_nregs.
 484         * config/mn10300/mn10300.h (HARD_REGNO_NREGS): Delete.
 485         * config/moxie/moxie.h (HARD_REGNO_NREGS): Delete.
 486         * config/msp430/msp430.h (HARD_REGNO_NREGS): Delete.
 487         * config/msp430/msp430-protos.h (msp430_hard_regno_nregs): Delete.
 488         * config/msp430/msp430.c (TARGET_HARD_REGNO_NREGS): Redefine.
 489         (msp430_hard_regno_nregs): Make static.  Take and return an
 490         unsigned int.
 491         * config/nds32/nds32.h (HARD_REGNO_NREGS): Delete.
 492         * config/nds32/nds32-protos.h (nds32_hard_regno_nregs): Delete.
 493         * config/nds32/nds32.c (nds32_hard_regno_nregs): Delete.
 494         (nds32_hard_regno_mode_ok): Use targetm.hard_regno_nregs.
 495         * config/nios2/nios2.h (HARD_REGNO_NREGS): Delete.
 496         * config/nvptx/nvptx.h (HARD_REGNO_NREGS): Delete.
 497         * config/nvptx/nvptx.c (nvptx_hard_regno_nregs): New function.
 498         (TARGET_HARD_REGNO_NREGS): Redefine.
 499         * config/pa/pa32-regs.h (HARD_REGNO_NREGS): Rename to...
 500         (PA_HARD_REGNO_NREGS): ...this.
 501         * config/pa/pa64-regs.h (HARD_REGNO_NREGS): Rename to...
 502         (PA_HARD_REGNO_NREGS): ...this.
 503         * config/pa/pa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 504         (pa_hard_regno_nregs): New function.
 505         * config/pdp11/pdp11.h (HARD_REGNO_NREGS): Delete.
 506         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_NREGS): Redefine.
 507         (pdp11_hard_regno_nregs): New function.
 508         * config/powerpcspe/powerpcspe.h (HARD_REGNO_NREGS): Delete.
 509         * config/powerpcspe/powerpcspe.c (TARGET_HARD_REGNO_NREGS): Redefine.
 510         (rs6000_hard_regno_nregs_hook): New function.
 511         * config/riscv/riscv.h (HARD_REGNO_NREGS): Delete.
 512         * config/riscv/riscv-protos.h (riscv_hard_regno_nregs): Delete.
 513         * config/riscv/riscv.c (riscv_hard_regno_nregs): Make static.
 514         Take and return an unsigned int.  Move earlier in file.
 515         (TARGET_HARD_REGNO_NREGS): Redefine.
 516         * config/rl78/rl78.h (HARD_REGNO_NREGS): Delete.
 517         * config/rl78/rl78-protos.h (rl78_hard_regno_nregs): Delete.
 518         * config/rl78/rl78.c (TARGET_HARD_REGNO_NREGS): Reefine.
 519         (rl78_hard_regno_nregs): Make static.  Take and return an
 520         unsigned int.
 521         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Delete.
 522         * config/rs6000/rs6000.c (TARGET_HARD_REGNO_NREGS): Redefine.
 523         (rs6000_hard_regno_nregs_hook): New function.
 524         * config/rx/rx.h (HARD_REGNO_NREGS): Delete.
 525         * config/rx/rx.c (rx_hard_regno_nregs): New function.
 526         (TARGET_HARD_REGNO_NREGS): Redefine.
 527         * config/s390/s390.h (HARD_REGNO_NREGS): Delete.
 528         * config/s390/s390.c (REGNO_PAIR_OK): Use s390_hard_regno_nregs
 529         instead of HARD_REGNO_NREGS.
 530         (s390_hard_regno_nregs): New function.
 531         (s390_hard_regno_mode_ok): Add comment from s390.h.
 532         (TARGET_HARD_REGNO_NREGS): Redefine.
 533         * config/sh/sh.h (HARD_REGNO_NREGS): Delete.
 534         * config/sh/sh.c (TARGET_HARD_REGNO_NREGS): Redefine.
 535         (sh_hard_regno_nregs): New function.
 536         (sh_pass_in_reg_p): Use it.
 537         * config/sparc/sparc.h (HARD_REGNO_NREGS): Delete.
 538         * config/sparc/sparc.c (TARGET_HARD_REGNO_NREGS): Redefine.
 539         (sparc_hard_regno_nregs): New function.
 540         * config/spu/spu.h (HARD_REGNO_NREGS): Delete.
 541         * config/spu/spu.c (spu_hard_regno_nregs): New function.
 542         (spu_function_arg_advance): Use it, supplying a valid register number.
 543         (TARGET_HARD_REGNO_NREGS): Redefine.
 544         * config/stormy16/stormy16.h (HARD_REGNO_NREGS): Delete.
 545         * config/tilegx/tilegx.h (HARD_REGNO_NREGS): Delete.
 546         * config/tilepro/tilepro.h (HARD_REGNO_NREGS): Delete.
 547         * config/v850/v850.h (HARD_REGNO_NREGS): Delete.
 548         * config/vax/vax.h (HARD_REGNO_NREGS): Delete.
 549         * config/visium/visium.h (HARD_REGNO_NREGS): Delete.
 550         (CLASS_MAX_NREGS): Remove copy of old documentation.
 551         * config/visium/visium.c (TARGET_HARD_REGNO_NREGS): Redefine.
 552         (visium_hard_regno_nregs): New function.
 553         (visium_hard_regno_mode_ok): Use it instead of HARD_REGNO_NREGS.
 554         * config/xtensa/xtensa.h (HARD_REGNO_NREGS): Delete.
 555         * config/xtensa/xtensa.c (TARGET_HARD_REGNO_NREGS): Redefine.
 556         xtensa_hard_regno_nregs): New function.
 557         * system.h (HARD_REGNO_NREGS): Poison.
 558
 559 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 560
 561         * config/arm/arm.h (THUMB_SECONDARY_INPUT_RELOAD_CLASS): Use
 562         hard_regno_nregs instead of HARD_REGNO_NREGS.
 563         (THUMB_SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
 564         * config/c6x/c6x.c (c6x_expand_prologue): Likewise.
 565         (c6x_expand_epilogue): Likewise.
 566         * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
 567         (frv_read_iacc_argument): Likewise.
 568         * config/sh/sh.c: Include regs.h.
 569         (sh_print_operand): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 570         (regs_used): Likewise.
 571         (output_stack_adjust): Likewise.
 572         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Likewise.
 573         * expmed.c: Include regs.h.
 574         (store_bit_field_1): Use hard_regno_nregs instead of HARD_REGNO_NREGS.
 575         * ree.c: Include regs.h.
 576         (combine_reaching_defs): Use hard_regno_nregs instead of
 577         HARD_REGNO_NREGS.
 578         (add_removable_extension): Likewise.
 579
 580 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 581
 582         * regs.h (hard_regno_nregs): Turn into a function.
 583         (end_hard_regno): Update accordingly.
 584         * caller-save.c (setup_save_areas): Likewise.
 585         (save_call_clobbered_regs): Likewise.
 586         (replace_reg_with_saved_mem): Likewise.
 587         (insert_restore): Likewise.
 588         (insert_save): Likewise.
 589         * combine.c (can_change_dest_mode): Likewise.
 590         (move_deaths): Likewise.
 591         (distribute_notes): Likewise.
 592         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): Likewise.
 593         * config/powerpcspe/powerpcspe.c (rs6000_cannot_change_mode_class)
 594         (rs6000_split_multireg_move): Likewise.
 595         (rs6000_register_move_cost): Likewise.
 596         (rs6000_memory_move_cost): Likewise.
 597         * config/rs6000/rs6000.c (rs6000_cannot_change_mode_class): Likewise.
 598         (rs6000_split_multireg_move): Likewise.
 599         (rs6000_register_move_cost): Likewise.
 600         (rs6000_memory_move_cost): Likewise.
 601         * cselib.c (cselib_reset_table): Likewise.
 602         (cselib_lookup_1): Likewise.
 603         * emit-rtl.c (set_mode_and_regno): Likewise.
 604         * function.c (aggregate_value_p): Likewise.
 605         * ira-color.c (setup_profitable_hard_regs): Likewise.
 606         (check_hard_reg_p): Likewise.
 607         (calculate_saved_nregs): Likewise.
 608         (assign_hard_reg): Likewise.
 609         (improve_allocation): Likewise.
 610         (calculate_spill_cost): Likewise.
 611         * ira-emit.c (modify_move_list): Likewise.
 612         * ira-int.h (ira_hard_reg_set_intersection_p): Likewise.
 613         (ira_hard_reg_in_set_p): Likewise.
 614         * ira.c (setup_reg_mode_hard_regset): Likewise.
 615         (clarify_prohibited_class_mode_regs): Likewise.
 616         (check_allocation): Likewise.
 617         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 618         (lra_setup_reg_renumber): Likewise.
 619         (setup_try_hard_regno_pseudos): Likewise.
 620         (spill_for): Likewise.
 621         (assign_hard_regno): Likewise.
 622         (setup_live_pseudos_and_spill_after_risky_transforms): Likewise.
 623         * lra-constraints.c (in_class_p): Likewise.
 624         (lra_constraint_offset): Likewise.
 625         (simplify_operand_subreg): Likewise.
 626         (lra_constraints): Likewise.
 627         (split_reg): Likewise.
 628         (split_if_necessary): Likewise.
 629         (invariant_p): Likewise.
 630         (inherit_in_ebb): Likewise.
 631         * lra-lives.c (process_bb_lives): Likewise.
 632         * lra-remat.c (reg_overlap_for_remat_p): Likewise.
 633         (get_hard_regs): Likewise.
 634         (do_remat): Likewise.
 635         * lra-spills.c (assign_spill_hard_regs): Likewise.
 636         * mode-switching.c (create_pre_exit): Likewise.
 637         * postreload.c (reload_combine_recognize_pattern): Likewise.
 638         * recog.c (peep2_find_free_register): Likewise.
 639         * regcprop.c (kill_value_regno): Likewise.
 640         (set_value_regno): Likewise.
 641         (copy_value): Likewise.
 642         (maybe_mode_change): Likewise.
 643         (find_oldest_value_reg): Likewise.
 644         (copyprop_hardreg_forward_1): Likewise.
 645         * regrename.c (check_new_reg_p): Likewise.
 646         (regrename_do_replace): Likewise.
 647         * reload.c (push_reload): Likewise.
 648         (combine_reloads): Likewise.
 649         (find_dummy_reload): Likewise.
 650         (operands_match_p): Likewise.
 651         (find_reloads): Likewise.
 652         (find_equiv_reg): Likewise.
 653         (reload_adjust_reg_for_mode): Likewise.
 654         * reload1.c (count_pseudo): Likewise.
 655         (count_spilled_pseudo): Likewise.
 656         (find_reg): Likewise.
 657         (clear_reload_reg_in_use): Likewise.
 658         (free_for_value_p): Likewise.
 659         (allocate_reload_reg): Likewise.
 660         (choose_reload_regs): Likewise.
 661         (reload_adjust_reg_for_temp): Likewise.
 662         (emit_reload_insns): Likewise.
 663         (delete_output_reload): Likewise.
 664         * rtlanal.c (subreg_get_info): Likewise.
 665         * sched-deps.c (sched_analyze_reg): Likewise.
 666         * sel-sched.c (init_regs_for_mode): Likewise.
 667         (mark_unavailable_hard_regs): Likewise.
 668         (choose_best_reg_1): Likewise.
 669         (verify_target_availability): Likewise.
 670         * valtrack.c (dead_debug_insert_temp): Likewise.
 671         * var-tracking.c (track_loc_p): Likewise.
 672         (emit_note_insn_var_location): Likewise.
 673         * varasm.c (make_decl_rtl): Likewise.
 674         * reginfo.c (choose_hard_reg_mode): Likewise.
 675         (init_reg_modes_target): Refer directly to
 676         this_target_regs->x_hard_regno_nregs.
 677
 678 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 679
 680         * ira-costs.c (record_operand_costs): Use in_hard_reg_set_p
 681         instead of hard_regno_nregs.
 682
 683 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 684
 685         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Use
 686         end_hard_regno instead of hard_regno_nregs.
 687         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
 688         * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Likewise.
 689         * config/visium/visium.c (visium_hard_regno_mode_ok): Likewise.
 690         * ira-color.c (improve_allocation): Likewise.
 691         * lra-assigns.c (find_hard_regno_for_1): Likewise.
 692         * lra-lives.c (mark_regno_live): Likewise.
 693         (mark_regno_dead): Likewise.
 694         * lra-remat.c (operand_to_remat): Likewise.
 695         * lra.c (collect_non_operand_hard_regs): Likewise.
 696         * postreload.c (reload_combine_note_store): Likewise.
 697         (move2add_valid_value_p): Likewise.
 698         * reload.c (regno_clobbered_p): Likewise.
 699
 700 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 701
 702         * config/frv/frv.c (FOR_EACH_REGNO): Use END_REGNO instead of
 703         hard_regno_nregs.
 704         * config/v850/v850.c (v850_reorg): Likewise.
 705         * reload.c (refers_to_regno_for_reload_p): Likewise.
 706         (find_equiv_reg): Likewise.
 707         * reload1.c (reload_reg_reaches_end_p): Likewise.
 708
 709 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 710
 711         * caller-save.c (add_used_regs): Use REG_NREGS instead of
 712         hard_regno_nregs.
 713         * config/aarch64/aarch64.c (aarch64_split_combinev16qi): Likewise.
 714         * config/arm/arm.c (output_move_neon): Likewise.
 715         (arm_attr_length_move_neon): Likewise.
 716         (neon_split_vcombine): Likewise.
 717         * config/c6x/c6x.c (c6x_mark_reg_read): Likewise.
 718         (c6x_mark_reg_written): Likewise.
 719         (c6x_dwarf_register_span): Likewise.
 720         * config/i386/i386.c (ix86_save_reg): Likewise.
 721         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
 722         (rws_access_reg): Likewise.
 723         * config/s390/s390.c (s390_call_saved_register_used): Likewise.
 724         * mode-switching.c (create_pre_exit): Likewise.
 725         * ree.c (combine_reaching_defs): Likewise.
 726         (add_removable_extension): Likewise.
 727         * regcprop.c (find_oldest_value_reg): Likewise.
 728         (copyprop_hardreg_forward_1): Likewise.
 729         * reload.c (reload_inner_reg_of_subreg): Likewise.
 730         (push_reload): Likewise.
 731         (combine_reloads): Likewise.
 732         (find_dummy_reload): Likewise.
 733         (reload_adjust_reg_for_mode): Likewise.
 734         * reload1.c (find_reload_regs): Likewise.
 735         (forget_old_reloads_1): Likewise.
 736         (reload_reg_free_for_value_p): Likewise.
 737         (reload_adjust_reg_for_temp): Likewise.
 738         (emit_reload_insns): Likewise.
 739         (delete_output_reload): Likewise.
 740         * sel-sched.c (choose_best_reg_1): Likewise.
 741         (choose_best_pseudo_reg): Likewise.
 742
 743 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 744             Alan Hayward  <alan.hayward@arm.com>
 745             David Sherwood <david.sherwood@arm.com>
 746
 747         * defaults.h (SLOW_UNALIGNED_ACCESS): Delete.
 748         * target.def (slow_unaligned_access): New hook.
 749         * targhooks.h (default_slow_unaligned_access): Declare.
 750         * targhooks.c (default_slow_unaligned_access): New function.
 751         * doc/tm.texi.in (SLOW_UNALIGNED_ACCESS): Replace with...
 752         (TARGET_SLOW_UNALIGNED_ACCESS): ...this.
 753         * doc/tm.texi: Regenerate.
 754         * config/alpha/alpha.h (SLOW_UNALIGNED_ACCESS): Delete.
 755         * config/arm/arm.h (SLOW_UNALIGNED_ACCESS): Delete.
 756         * config/i386/i386.h (SLOW_UNALIGNED_ACCESS): Delete commented-out
 757         definition.
 758         * config/powerpcspe/powerpcspe.h (SLOW_UNALIGNED_ACCESS): Delete.
 759         * config/powerpcspe/powerpcspe.c (TARGET_SLOW_UNALIGNED_ACCESS):
 760         Redefine.
 761         (rs6000_slow_unaligned_access): New function.
 762         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 763         (expand_block_compare): Likewise.
 764         (expand_strn_compare): Likewise.
 765         (rs6000_rtx_costs): Likewise.
 766         * config/riscv/riscv.h (SLOW_UNALIGNED_ACCESS): Delete.
 767         (riscv_slow_unaligned_access): Likewise.
 768         * config/riscv/riscv.c (riscv_slow_unaligned_access): Rename to...
 769         (riscv_slow_unaligned_access_p): ...this and make static.
 770         (riscv_option_override): Update accordingly.
 771         (riscv_slow_unaligned_access): New function.
 772         (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 773         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Delete.
 774         * config/rs6000/rs6000.c (TARGET_SLOW_UNALIGNED_ACCESS): Redefine.
 775         (rs6000_slow_unaligned_access): New function.
 776         (rs6000_emit_move): Use it instead of SLOW_UNALIGNED_ACCESS.
 777         (rs6000_rtx_costs): Likewise.
 778         * config/rs6000/rs6000-string.c (expand_block_compare)
 779         (expand_strn_compare): Use targetm.slow_unaligned_access instead
 780         of SLOW_UNALIGNED_ACCESS.
 781         * config/tilegx/tilegx.h (SLOW_UNALIGNED_ACCESS): Delete.
 782         * config/tilepro/tilepro.h (SLOW_UNALIGNED_ACCESS): Delete.
 783         * calls.c (expand_call): Use targetm.slow_unaligned_access instead
 784         of SLOW_UNALIGNED_ACCESS.
 785         * expmed.c (simple_mem_bitfield_p): Likewise.
 786         * expr.c (alignment_for_piecewise_move): Likewise.
 787         (emit_group_load_1): Likewise.
 788         (emit_group_store): Likewise.
 789         (copy_blkmode_from_reg): Likewise.
 790         (emit_push_insn): Likewise.
 791         (expand_assignment): Likewise.
 792         (store_field): Likewise.
 793         (expand_expr_real_1): Likewise.
 794         * gimple-fold.c (gimple_fold_builtin_memory_op): Likewise.
 795         * lra-constraints.c (simplify_operand_subreg): Likewise.
 796         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
 797         * gimple-ssa-store-merging.c: Likewise in block comment at start
 798         of file.
 799         * tree-ssa-strlen.c: Include target.h.
 800         (handle_builtin_memcmp): Use targetm.slow_unaligned_access instead
 801         of SLOW_UNALIGNED_ACCESS.
 802         * system.h (SLOW_UNALIGNED_ACCESS): Poison.
 803
 804 2017-09-12  Richard Sandiford  <richard.sandiford@linaro.org>
 805
 806         PR rtl-optimization/82185
 807         * expmed.c (emit_store_flag_int): Only test tem if it has been
 808         initialized.
 809
 810 2017-09-12  Richard Biener  <rguenther@suse.de>
 811
 812         PR middle-end/82149
 813         * match.pd ((FTYPE) N CMP CST): Fix typo.
 814
 815 2017-09-12  Simon Atanasyan  <simon.atanasyan@imgtec.com>
 816
 817         * config/mips/mips.c (mips_attribute_table): Add 'short_call'
 818         attribute.
 819         (mips_near_type_p): Add 'short_call' attribute as a synonym
 820         for 'near'.
 821         * doc/extend.texi (short_call): Document new function attribute.
 822
 823 2017-09-12  Jakub Jelinek  <jakub@redhat.com>
 824
 825         PR target/82112
 826         * c-common.c (sync_resolve_size): Instead of c_dialect_cxx ()
 827         assertion check that in the condition.
 828         (get_atomic_generic_size): Likewise.  Before testing if parameter
 829         has pointer type, if it has array type, call for C++
 830         default_conversion to perform array-to-pointer conversion.
 831
 832 2017-09-12  Richard Biener  <rguenther@suse.de>
 833
 834         * tree-vect-generic.c (expand_vector_operations_1): Do nothing
 835         for operations we cannot scalarize.
 836
 837 2017-09-12  Aldy Hernandez  <aldyh@redhat.com>
 838
 839         * tree-ssa-threadbackward.c (fsm_find_thread_path): Make GC
 840         vectors heap vectors.  Clean up comments.
 841         Make visited_bbs a reference.
 842         (profitable_jump_thread_path): Make GC
 843         vectors heap vectors.  Clean up comments.
 844         Misc cleanups.
 845         (convert_and_register_jump_thread_path): Make GC vectors heap
 846         vectors.
 847         (check_subpath_and_update_thread_path): Same.  Clean up comments.
 848         Make visited_bbs a reference.
 849         (handle_phi): Abstract common code to to
 850         register_jump_thread_path_if_profitable.
 851         Rename VAR_BB to DEF_BB.
 852         Update comments.
 853         Make GC vectors heap vectors.
 854         Make visited_bbs a reference.
 855         (handle_assignment): Same.
 856         (register_jump_thread_path_if_profitable): New.
 857         (fsm_find_control_statement_thread_paths): Rename VAR_BB to
 858         DEF_BB.
 859         Make GC vectors heap vectors.  Clean up comments.
 860         Make visited_bbs a reference.
 861         (find_jump_threads_backwards): Make visited_bbs live in the stack.
 862         * tree-ssa-threadupdate.c (delete_jump_thread_path): Fix typo in
 863         comment.
 864
 865 2017-09-11  Max Filippov  <jcmvbkbc@gmail.com>
 866
 867         PR target/82181
 868         * config/xtensa/xtensa.c (xtensa_mem_offset): Check that both
 869         words of E_DImode object are reachable by xtensa_uimm8x4 access.
 870
 871 2017-09-11  Vidya Praveen  <vidyapraveen@arm.com>
 872
 873         Revert r251800 and r251799.
 874
 875 2017-09-11  Martin Jambor  <mjambor@suse.cz>
 876
 877         PR hsa/82119
 878         * hsa-gen.c (gen_hsa_phi_from_gimple_phi): Process ADDR_EXPRs in
 879         arguments in advance.
 880         * hsa-regalloc.c (naive_process_phi): New parameter predecessors,
 881         use it to find predecessor edges.
 882         (naive_outof_ssa): Collect vector of predecessors.
 883
 884 2017-09-08  Jason Merrill  <jason@redhat.com>
 885
 886         PR c++/70029 - ICE with ref-qualifier and -flto
 887         * langhooks.h (struct lang_hooks_for_types): Add
 888         copy_lang_qualifiers.
 889         * attribs.c (build_type_attribute_qual_variant): Use it.
 890         * langhooks-def.h (LANG_HOOKS_COPY_LANG_QUALIFIERS): Default to
 891         NULL.
 892         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
 893         * tree.c (verify_type): Re-enable TYPE_CANONICAL main variant check.
 894
 895 2017-09-08  Eric Botcazou  <ebotcazou@adacore.com>
 896
 897         PR target/81988
 898         * config/sparc/sparc.md (mulsi3): Rename into *mulsi3_sp32.
 899         (*mulsi3_sp64): New instruction.
 900         (mulsi3): New expander.
 901
 902 2017-09-08  Uros Bizjak  <ubizjak@gmail.com>
 903
 904         * config/alpha/alpha.c (alpha_print_operand) <case 'S'>: Remove.
 905
 906 2017-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 907
 908         * sancov.c: Include memmodel.h.
 909
 910 2017-09-07  Eric Botcazou  <ebotcazou@adacore.com>
 911
 912         PR target/80897
 913         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Deal with too
 914         large offsets.
 915
 916 2017-09-07  Carl Love  <cel@us.ibm.com>
 917
 918         * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to
 919         the sldi instruction.
 920
 921 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 922
 923         * sancov.c: Include tm_p.h.
 924
 925 2017-09-07  Jakub Jelinek  <jakub@redhat.com>
 926
 927         PR target/81979
 928         * output.h (switch_to_other_text_partition): New declaration.
 929         * varasm.c (switch_to_other_text_partition): New function.
 930         * config/rs6000/rs6000.c (uses_TOC): Return 2 if
 931         NOTE_INSN_SWITCH_TEXT_SECTIONS is seen before finding load_toc_* insn.
 932         (rs6000_elf_declare_function_name): If uses_TOC returned 2, switch
 933         to the other text partition before emitting LCL label and switch back
 934         after emitting the word after it.
 935
 936 2017-09-07  Richard Biener  <rguenther@suse.de>
 937
 938         * passes.def (pass_split_crit_edges): Remove instance before PRE.
 939         * tree-ssa-pre.c (pass_pre::execute): Instead manually split
 940         critical edges here, after loop init.
 941         (pass_data_pre): Remove PROP_no_crit_edges flags.
 942         * tree-ssa-sccvn.c (vn_reference_lookup_3): Use vn_valueize
 943         for valueization of call args to avoid leaking VN_TOP.
 944         (visit_use): Assert we do not visit default defs.
 945         (init_scc_vn): Use build_decl for VN_TOP to make name nicer.
 946         Use error_mark_node to more easily detect leaking VN_TOP.
 947         All default-defs are varying, not VN_TOP.  Mark them visited.
 948         (run_scc_vn): Make code match comment.
 949
 950 2017-09-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 951
 952         * config/rs6000/rs6000-cpus.def (OTHER_VSX_VECTOR_MASKS): Delete
 953         OPTION_MASK_FLOAT128_KEYWORD.
 954         (POWERPC_MASKS): Likewise.
 955         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Delete
 956         support for the -mfloat128-type option, and make -mfloat128
 957         default on PowerPC Linux systems.  Define or undefine
 958         __FLOAT128__ and  __FLOAT128_HARDWARE__ for the current options.
 959         Define __float128 to be __ieee128 if IEEE 128-bit support is
 960         enabled, or undefine it.
 961         (rs6000_cpu_cpp_builtins): Delete defining __FLOAT128__ here.
 962         Delete defining __FLOAT128_TYPE__.
 963         * config/rs6000/rs6000.opt (x_TARGET_FLOAT128_TYPE): Delete the
 964         -mfloat128-type option and make -mfloat128 default on PowerPC
 965         Linux systems.
 966         (TARGET_FLOAT128_TYPE): Likewise.
 967         (-mfloat128-type): Likewise.
 968         * config/rs6000/rs6000.c (rs6000_option_override_internal):
 969         Delete the -mfloat128-type option and make -mfloat128 default on
 970         PowerPC Linux systems.  Always use __ieee128 to be the keyword for
 971         the IEEE 128-bit type, and map __float128 to __ieee128 if IEEE
 972         128-bit floating point is enabled.  Change tests from using
 973         -mfloat128-type to -mfloat128.
 974         (rs6000_mangle_type): Use the correct mangling for the __float128
 975         type even if normal long double is restricted to 64-bits.
 976         (floatn_mode): Enable the _Float128 type by default on VSX Linux
 977         systems.
 978         * config/rs6000/rs6000.h (MASK_FLOAT128_TYPE): Delete.
 979         (MASK_FLOAT128_KEYWORD): Define new shortcut macro.
 980         (RS6000BTM_FLOAT128): Define in terms of -mfloat128, not
 981         -mfloat128-type.
 982         * doc/invoke.texi (RS/6000 and PowerPC Options): Update
 983         documentation for -mfloat128.
 984
 985 2017-09-06  Olivier Hainque  <hainque@adacore.com>
 986
 987         * config.gcc (powerpc-wrs-vxworksspe): Now match as vxworks*spe.
 988
 989 2017-09-06  Wish Wu  <wishwu007@gmail.com>
 990             Jakub Jelinek  <jakub@redhat.com>
 991
 992         * asan.c (initialize_sanitizer_builtins): Add
 993         BT_FN_VOID_UINT8_UINT8, BT_FN_VOID_UINT16_UINT16,
 994         BT_FN_VOID_UINT32_UINT32, BT_FN_VOID_UINT64_UINT64,
 995         BT_FN_VOID_FLOAT_FLOAT, BT_FN_VOID_DOUBLE_DOUBLE and
 996         BT_FN_VOID_UINT64_PTR variables.
 997         * builtin-types.def (BT_FN_VOID_UINT8_UINT8): New fn type.
 998         (BT_FN_VOID_UINT16_UINT16): Likewise.
 999         (BT_FN_VOID_UINT32_UINT32): Likewise.
1000         (BT_FN_VOID_FLOAT_FLOAT): Likewise.
1001         (BT_FN_VOID_DOUBLE_DOUBLE): Likewise.
1002         (BT_FN_VOID_UINT64_PTR): Likewise.
1003         * common.opt (flag_sanitize_coverage): New variable.
1004         (fsanitize-coverage=trace-pc): Remove.
1005         (fsanitize-coverage=): Add.
1006         * flag-types.h (enum sanitize_coverage_code): New enum.
1007         * fold-const.c (fold_range_test): Disable non-short-circuit
1008         optimization if flag_sanitize_coverage.
1009         (fold_truth_andor): Likewise.
1010         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
1011         * opts.c (COVERAGE_SANITIZER_OPT): Define.
1012         (coverage_sanitizer_opts): New array.
1013         (get_closest_sanitizer_option): Add OPTS argument, handle also
1014         OPT_fsanitize_coverage_.
1015         (parse_sanitizer_options): Adjusted to also handle
1016         OPT_fsanitize_coverage_.
1017         (common_handle_option): Add OPT_fsanitize_coverage_.
1018         * sancov.c (instrument_comparison, instrument_switch): New function.
1019         (sancov_pass): Add trace-cmp support.
1020         * sanitizer.def (BUILT_IN_SANITIZER_COV_TRACE_CMP1,
1021         BUILT_IN_SANITIZER_COV_TRACE_CMP2, BUILT_IN_SANITIZER_COV_TRACE_CMP4,
1022         BUILT_IN_SANITIZER_COV_TRACE_CMP8,
1023         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP1,
1024         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP2,
1025         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP4,
1026         BUILT_IN_SANITIZER_COV_TRACE_CONST_CMP8,
1027         BUILT_IN_SANITIZER_COV_TRACE_CMPF, BUILT_IN_SANITIZER_COV_TRACE_CMPD,
1028         BUILT_IN_SANITIZER_COV_TRACE_SWITCH): New builtins.
1029         * doc/invoke.texi: Document -fsanitize-coverage=trace-cmp.
1030
1031 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1032
1033         * config/arm/parsecpu.awk (fatal): Note that we've encountered an
1034         error.  Only quit immediately if parsing is complete.
1035         (BEGIN): Initialize fatal_err and parse_done.
1036         (begin fpu, end fpu): Check number of arguments.
1037         (begin arch, end arch): Likewise.
1038         (begin cpu, end cpu): Likewise.
1039         (cname, tune for, tune flags, architecture, fpu, option): Likewise.
1040         (optalias): Likewise.
1041
1042 2017-09-06  Richard Earnshaw  <rearnsha@arm.com>
1043
1044         * config.gcc (arm*-*-*): Don't add arm-isa.h to tm_p_file.
1045         * config/arm/arm-isa.h: Delete.  Move definitions to ...
1046         * arm-cpus.in: ... here.  Use new feature and fgroup values.
1047         * config/arm/arm.c (arm_option_override): Use lower case for feature
1048         bit names.
1049         * config/arm/arm.h (TARGET_HARD_FLOAT): Likewise.
1050         (TARGET_VFP3, TARGET_VFP5, TARGET_FMA): Likewise.
1051         * config/arm/parsecpu.awk (END): Add new command 'isa'.
1052         (isa_pfx): Delete.
1053         (print_isa_bits_for): New function.
1054         (gen_isa): New function.
1055         (gen_comm_data): Use print_isa_bits_for.
1056         (define feature): New keyword.
1057         (define fgroup): New keyword.
1058         * config/arm/t-arm (OPTIONS_H_EXTRA): Add arm-isa.h
1059         (arm-isa.h): Add rule to generate file.
1060         * common/config/arm/arm-common.c: (arm_canon_arch_option): Use lower
1061         case for feature bit names.
1062
1063 2017-09-06  Richard Biener  <rguenther@suse.de>
1064
1065         * tree-ssa-pre.c (NECESSARY): Remove.
1066         (create_expression_by_pieces): Do not touch pass-local flags.
1067         (insert_into_preds_of_block): Likewise.
1068         (do_pre_regular_insertion): Likewise.
1069         (eliminate_insert): Likewise.
1070         (eliminate_dom_walker::before_dom_children): Likewise.
1071         (fini_eliminate): Do not look at inserted_exprs.
1072         (mark_operand_necessary): Remove.
1073         (remove_dead_inserted_code): Replace with simple work-list
1074         algorithm based on inserted_exprs and SSA uses.
1075         (pass_pre::execute): Re-order fini_eliminate and
1076         remove_dead_inserted_code.
1077
1078 2017-09-06  Olivier Hainque  <hainque@adacore.com>
1079
1080         * config/powerpcspe/vxworks.h (VXCPU_FOR_8548): Correct definition
1081         for VxWorks 7.  Adjust surrounding comments.
1082
1083 2017-09-06  Richard Biener  <rguenther@suse.de>
1084
1085         * gimple-ssa-strength-reduction.c
1086         (find_candidates_dom_walker::before_dom_children): Also allow
1087         pointer types.
1088
1089 2017-09-06  Richard Biener  <rguenther@suse.de>
1090
1091         PR tree-optimization/82108
1092         * tree-vect-stmts.c (vectorizable_load): Fix pointer adjustment
1093         for gap in the non-permutation SLP case.
1094
1095 2017-09-06  Martin Jambor  <mjambor@suse.cz>
1096
1097         PR tree-optimization/82078
1098         * tree-sra.c (sort_and_splice_var_accesses): Move call to
1099         add_access_to_work_queue...
1100         (build_accesses_from_assign): ...here.
1101         (propagate_all_subaccesses): Make sure racc is the group
1102         representative, if there is one.
1103
1104 2017-09-06  Jakub Jelinek  <jakub@redhat.com>
1105
1106         PR middle-end/82095
1107         * varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
1108         NULL DECL_INITIAL.
1109
1110 2017-09-06  Richard Biener  <rguenther@suse.de>
1111
1112         * gimple-ssa-strength-reduction.c
1113         (find_candidates_dom_walker::before_doom_children): Use a
1114         type and not a mode check.
1115
1116 2017-09-06  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1117
1118         PR target/77308
1119         * config/arm/predicates.md (arm_general_adddi_operand): Create new
1120         non-vfp predicate.
1121         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
1122
1123 2017-09-05  Jeff Law  <law@redhat.com>
1124
1125         PR tree-optimization/64910
1126         * tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
1127         cases where we have 3 or more operands.
1128
1129 2017-09-05  Jakub Jelinek  <jakub@redhat.com>
1130
1131         PR middle-end/81768
1132         * omp-low.c (lower_omp_for): Recompute tree invariant if
1133         gimple_omp_for_initial/final is ADDR_EXPR.
1134
1135         PR middle-end/81768
1136         * omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
1137         into gimple val before gimplification fo the COND_EXPR.
1138
1139 2017-09-05  Aldy Hernandez  <aldyh@redhat.com>
1140
1141         * tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
1142         REGION_COPY argument.
1143         (thread_through_all_blocks): Remove unused argument to
1144         duplicate_thread_path.
1145
1146 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1147             Alan Hayward  <alan.hayward@arm.com>
1148             David Sherwood  <david.sherwood@arm.com>
1149
1150         * config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
1151         Take a scalar_mode rather than a machine_mode.
1152         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1153         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
1154         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
1155         (aarch64_gen_adjusted_ldpstp): Likewise.
1156         (aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
1157
1158 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1159             Alan Hayward  <alan.hayward@arm.com>
1160             David Sherwood  <david.sherwood@arm.com>
1161
1162         * config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
1163         Take a scalar_int_mode instead of a machine_mode.
1164         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1165         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1166         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1167         (aarch64_simd_attr_length_rglist): Delete.
1168         * config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
1169         a scalar_int_mode instead of a machine_mode.
1170         (aarch64_add_offset): Likewise.
1171         (aarch64_internal_mov_immediate): Likewise
1172         (aarch64_add_constant_internal): Likewise.
1173         (aarch64_add_constant): Likewise.
1174         (aarch64_movw_imm): Likewise.
1175         (aarch64_rtx_arith_op_extract_p): Likewise.
1176         (aarch64_mask_and_shift_for_ubfiz_p): Likewise.
1177         (aarch64_simd_scalar_immediate_valid_for_move): Likewise.
1178         Remove assert that the mode isn't a vector.
1179         (aarch64_output_scalar_simd_mov_immediate): Likewise.
1180         (aarch64_expand_mov_immediate): Update calls after above changes.
1181         (aarch64_output_casesi): Use as_a <scalar_int_mode>.
1182         (aarch64_and_bitmask_imm): Check for scalar integer modes.
1183         (aarch64_move_imm): Likewise.
1184         (aarch64_can_const_movi_rtx_p): Likewise.
1185         (aarch64_strip_extend): Likewise.
1186         (aarch64_extr_rtx_p): Likewise.
1187         (aarch64_rtx_costs): Likewise, using wode_mode as the mode of
1188         a CONST_INT when the mode parameter is VOIDmode.
1189         (aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
1190
1191 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1192
1193         * machmode.h (bitwise_mode_for_mode): Return opt_mode.
1194         * stor-layout.c (bitwise_mode_for_mode): Likewise.
1195         (bitwise_type_for_mode): Update accordingly.
1196
1197 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1198
1199         * stor-layout.h (mode_for_size_tree): Return an opt_mode.
1200         * stor-layout.c (mode_for_size_tree): Likewise.
1201         (mode_for_array): Update accordingly.
1202         (layout_decl): Likewise.
1203         (compute_record_mode): Likewise.  Only set the mode once.
1204
1205 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1206
1207         * target.def (get_mask_mode): Change return type to opt_mode.
1208         Expand commentary.
1209         * doc/tm.texi: Regenerate.
1210         * targhooks.h (default_get_mask_mode): Return an opt_mode.
1211         * targhooks.c (default_get_mask_mode): Likewise.
1212         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
1213         * optabs-query.c (can_vec_mask_load_store_p): Update use of
1214         targetm.get_mask_mode.
1215         * tree.c (build_truth_vector_type): Likewise.
1216
1217 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1218
1219         * machmode.h (mode_for_vector): Return an opt_mode.
1220         * stor-layout.c (mode_for_vector): Likewise.
1221         (mode_for_int_vector): Update accordingly.
1222         (layout_type): Likewise.
1223         * config/i386/i386.c (emit_memmov): Likewise.
1224         (ix86_expand_set_or_movmem): Likewise.
1225         (ix86_expand_vector_init): Likewise.
1226         (ix86_get_mask_mode): Likewise.
1227         * config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
1228         Likewise.
1229         * config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
1230         * expmed.c (extract_bit_field_1): Likewise.
1231         * expr.c (expand_expr_real_2): Likewise.
1232         * optabs-query.c (can_vec_perm_p): Likewise.
1233         (can_vec_mask_load_store_p): Likewise.
1234         * optabs.c (expand_vec_perm): Likewise.
1235         * targhooks.c (default_get_mask_mode): Likewise.
1236         * tree-vect-stmts.c (vectorizable_store): Likewise.
1237         (vectorizable_load): Likewise.
1238         (get_vectype_for_scalar_type_and_size): Likewise.
1239
1240 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1241
1242         * machmode.h (mode_for_int_vector): New function.
1243         * stor-layout.c (mode_for_int_vector): Likewise.
1244         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
1245         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
1246         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
1247         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
1248         (s390_expand_vcond): Likewise.
1249
1250 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1251
1252         * machmode.h (opt_machine_mode): New type.
1253         (opt_mode<T>): Allow construction from anything that can be
1254         converted to a T.
1255         (is_a, as_a, dyn_cast): Add overloads for opt_mode.
1256         (mode_for_size): Return an opt_machine_mode.
1257         * stor-layout.c (mode_for_size): Likewise.
1258         (mode_for_size_tree): Update call accordingly.
1259         (bitwise_mode_for_mode): Likewise.
1260         (make_fract_type): Likewise.
1261         (make_accum_type): Likewise.
1262         * caller-save.c (replace_reg_with_saved_mem): Update call
1263         accordingly.
1264         * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1265         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1266         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1267         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
1268         * expmed.c (extract_bit_field_1): Likewise.
1269         * reload.c (get_secondary_mem): Likewise.
1270         * varasm.c (assemble_integer): Likewise.
1271         * lower-subreg.c (simplify_subreg_concatn): Likewise.  Move
1272         early-out.
1273
1274 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1275
1276         * machmode.h (decimal_float_mode_for_size): New function.
1277         * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
1278         (REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
1279         (REAL_VALUE_TO_TARGET_SINGLE): Likewise.
1280         (REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
1281         (REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
1282         (REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
1283
1284 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1285
1286         * builtins.c (expand_builtin_powi): Use int_mode_for_size.
1287         (get_builtin_sync_mode): Likewise.
1288         (expand_ifn_atomic_compare_exchange): Likewise.
1289         (expand_builtin_atomic_clear): Likewise.
1290         (expand_builtin_atomic_test_and_set): Likewise.
1291         (fold_builtin_atomic_always_lock_free): Likewise.
1292         * calls.c (compute_argument_addresses): Likewise.
1293         (emit_library_call_value_1): Likewise.
1294         (store_one_arg): Likewise.
1295         * combine.c (combine_instructions): Likewise.
1296         * config/aarch64/aarch64.c (aarch64_function_value): Likewise.
1297         * config/arm/arm.c (arm_function_value): Likewise.
1298         (aapcs_allocate_return_reg): Likewise.
1299         * config/c6x/c6x.c (c6x_expand_movmem): Likewise.
1300         * config/i386/i386.c (construct_container): Likewise.
1301         (ix86_gimplify_va_arg): Likewise.
1302         (ix86_expand_sse_cmp): Likewise.
1303         (emit_memmov): Likewise.
1304         (emit_memset): Likewise.
1305         (expand_small_movmem_or_setmem): Likewise.
1306         (ix86_expand_pextr): Likewise.
1307         (ix86_expand_pinsr): Likewise.
1308         * config/lm32/lm32.c (lm32_block_move_inline): Likewise.
1309         * config/microblaze/microblaze.c (microblaze_block_move_straight):
1310         Likewise.
1311         * config/mips/mips.c (mips_function_value_1) Likewise.
1312         (mips_block_move_straight): Likewise.
1313         (mips_expand_ins_as_unaligned_store): Likewise.
1314         * config/powerpcspe/powerpcspe.c
1315         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1316         (rs6000_darwin64_record_arg_flush): Likewise.
1317         * config/rs6000/rs6000.c
1318         (rs6000_darwin64_record_arg_advance_flush): Likewise.
1319         (rs6000_darwin64_record_arg_flush): Likewise.
1320         * config/sparc/sparc.c (sparc_function_arg_1): Likewise.
1321         (sparc_function_value_1): Likewise.
1322         * config/spu/spu.c (adjust_operand): Likewise.
1323         (spu_emit_branch_or_set): Likewise.
1324         (arith_immediate_p): Likewise.
1325         * emit-rtl.c (gen_lowpart_common): Likewise.
1326         * expr.c (expand_expr_real_1): Likewise.
1327         * function.c (assign_parm_setup_block): Likewise.
1328         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
1329         * reload1.c (alter_reg): Likewise.
1330         * stor-layout.c (mode_for_vector): Likewise.
1331         (layout_type): Likewise.
1332
1333 2017-09-05  Richard Sandiford  <richard.sandiford@linaro.org>
1334
1335         * config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
1336         (spu_convert_move): Likewise.
1337         * lower-subreg.c (resolve_simple_move): Likewise.
1338
1339 2017-09-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1340
1341         PR target/81833
1342         * config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
1343         define_insn to a define_expand.
1344         (altivec_vsum2sws_direct): New define_insn.
1345         (altivec_vsumsws): Convert from a define_insn to a define_expand.
1346
1347 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1348
1349         * config/arm/arm.c (arm_option_params_internal): Improve setting of
1350         max_insns_skipped.
1351
1352 2017-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1353
1354         PR target/59501
1355         PR target/81624
1356         PR target/81769
1357         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
1358         realign stack if stack alignment needed is less than incoming
1359         stack boundary.
1360
1361 2017-09-05  Marek Polacek  <polacek@redhat.com>
1362
1363         PR sanitizer/82072
1364         * convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
1365         check earlier.
1366
1367 2017-09-05  Wilco Dijkstra  <wdijkstr@arm.com>
1368
1369         * explow.c (get_dynamic_stack_size): Improve dynamic alignment.
1370
1371 2017-09-05  Richard Biener  <rguenther@suse.de>
1372
1373         PR tree-optimization/82084
1374         * fold-const.c (can_native_encode_string_p): Handle wide characters.
1375
1376 2017-09-05  Richard Biener  <rguenther@suse.de>
1377
1378         PR tree-optimization/82102
1379         * tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
1380
1381 2017-09-05  Martin Liska  <mliska@suse.cz>
1382
1383         PR tree-optimization/82032
1384         * tree-cfg.c (generate_range_test): New function.
1385         * tree-cfg.h (generate_range_test): Declared here.
1386         * tree-cfgcleanup.c (convert_single_case_switch): New function.
1387         (cleanup_control_expr_graph): Use it.
1388         * tree-switch-conversion.c (try_switch_expansion): Remove
1389         assert.
1390         (emit_case_nodes): Use generate_range_test.
1391
1392 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1393
1394         PR target/82098
1395         * config/i386/i386.md (*<btsc><mode>_mask): Add
1396         TARGET_USE_BT to insn constraint.
1397         (*btr<mode>_mask): Ditto.
1398
1399 2017-09-04  Wilco Dijkstra  <wdijkstr@arm.com>
1400
1401         * config/arm/arm.c (arm_legitimate_index_p): Add comment.
1402         (thumb2_legitimate_index_p): Use correct range for DI/DF mode.
1403
1404 2017-09-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
1405
1406         PR target/77308
1407         * config/arm/arm.md (*arm_adddi3, *arm_subdi3): Split early except for
1408         TARGET_NEON and TARGET_IWMMXT.
1409         (anddi3, iordi3, xordi3, one_cmpldi2): Split while expanding except for
1410         TARGET_NEON and TARGET_IWMMXT.
1411         (*one_cmpldi2_insn): Moved the body of one_cmpldi2 here.
1412
1413 2017-09-04  Uros Bizjak  <ubizjak@gmail.com>
1414
1415         * config/i386/i386-protos.h (ix86_tls_address_pattern_p) New prototype.
1416         (ix86_rewrite_tls_address): Ditto.
1417         * config/i386/i386.c (ix86_tls_address_pattern_p) New function.
1418         (ix86_rewrite_tls_address_1): Ditto.
1419         (ix86_rewrite_tls_address): Ditto.
1420         * config/i386/predicates.md (tls_address_pattern): New predicate.
1421         * config/i386/i386.md (TLS address splitter): New splitter.
1422
1423 2017-09-04  Richard Biener  <rguenther@suse.de>
1424
1425         PR tree-optimization/82084
1426         * fold-const.h (can_native_encode_string_p): Declare.
1427         * fold-const.c (can_native_encode_string_p): Factor out from ...
1428         (native_encode_string): ... here.
1429         * tree-vect-stmts.c (vectorizable_store): Call it to avoid
1430         vectorizing stores from constants we later cannot handle.
1431
1432 2017-09-04  Marek Polacek  <polacek@redhat.com>
1433
1434         PR c/81783
1435         * doc/invoke.texi: Update -Wtautological-compare documentation.
1436
1437 2017-09-04  Jeff Law  <law@redhat.com>
1438
1439         PR tree-optimization/64910
1440         * tree-ssa-reassoc.c (reassociate_bb): For bitwise binary ops,
1441         swap the first and last operand if the last is a constant.
1442
1443 2017-09-04  Marek Polacek  <polacek@redhat.com>
1444
1445         PR sanitizer/82072
1446         * convert.c (do_narrow): When sanitizing signed integer overflows,
1447         bail out for signed types.
1448         (convert_to_integer_1) <case NEGATE_EXPR>: Likewise.
1449
1450 2017-09-04  Richard Biener  <rguenther@suse.de>
1451
1452         PR tree-optimization/82060
1453         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
1454         Move devirtualization after stmt folding and before EH/AB/noreturn
1455         cleanup to get the stmt refs canonicalized.  Use a bool instead
1456         of gimple_modified_p since that doesn't work for NOPs.  Schedule
1457         NOPs generated by folding for removal.
1458
1459 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1460             Alan Hayward  <alan.hayward@arm.com>
1461             David Sherwood  <david.sherwood@arm.com>
1462
1463         * coretypes.h (pad_direction): New enum.
1464         * defaults.h (DEFAULT_FUNCTION_ARG_PADDING): Delete.
1465         (FUNCTION_ARG_PADDING): Likewise.
1466         * target.def (function_arg_padding): New hook.
1467         * targhooks.h (default_function_arg_padding): Declare.
1468         * targhooks.c (default_function_arg_padding): New function.
1469         * doc/tm.texi.in (FUNCTION_ARG_PADDING): Replace with...
1470         (TARGET_FUNCTION_ARG_PADDING): ...this.
1471         * doc/tm.texi: Regenerate.
1472         * calls.c (store_unaligned_arguments_into_pseudos): Use pad_direction
1473         instead of direction.
1474         (compute_argument_addresses): Likewise.
1475         (load_register_parameters): Likewise.
1476         (emit_library_call_value_1): Likewise.
1477         (store_one_arg): Use targetm.calls.function_arg_padding instead
1478         of FUNCTION_ARG_PADDING.
1479         (must_pass_in_stack_var_size_or_pad): Likewise.
1480         * expr.c (emit_group_load_1): Use pad_direction instead of direction.
1481         (emit_group_store): Likewise.
1482         (emit_single_push_insn_1): Use targetm.calls.function_arg_padding
1483         instead of FUNCTION_ARG_PADDING.
1484         (emit_push_insn): Likewise, and propagate enum change throughout
1485         function.
1486         * function.h (direction): Delete.
1487         (locate_and_pad_arg_data::where_pad): Use pad_direction instead
1488         of direction.
1489         * function.c (assign_parm_find_stack_rtl): Likewise.
1490         (assign_parm_setup_block_p): Likewise.
1491         (assign_parm_setup_block): Likewise.
1492         (gimplify_parameters): Likewise.
1493         (locate_and_pad_parm): Use targetm.calls.function_arg_padding
1494         instead of FUNCTION_ARG_PADDING, and propagate enum change throughout
1495         function.
1496         * config/aarch64/aarch64.h (FUNCTION_ARG_PADDING): Delete.
1497         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1498         * config/aarch64/aarch64-protos.h (aarch64_pad_arg_upward): Delete.
1499         * config/aarch64/aarch64.c (aarch64_pad_arg_upward): Replace with...
1500         (aarch64_function_arg_padding): ...this new function.
1501         (aarch64_gimplify_va_arg_expr): Use pad_direction instead of direction.
1502         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1503         * config/arm/arm.h (FUNCTION_ARG_PADDING): Delete.
1504         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1505         * config/arm/arm-protos.h (arm_pad_arg_upward): Delete.
1506         * config/arm/arm.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1507         (arm_pad_arg_upward): Replace with...
1508         (arm_function_arg_padding): ...this new function.
1509         * config/c6x/c6x.h (BLOCK_REG_PADDING): Use pad_direction instead
1510         of direction.
1511         * config/ia64/hpux.h (FUNCTION_ARG_PADDING): Delete.
1512         * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): Delete.
1513         * config/ia64/ia64.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1514         (ia64_hpux_function_arg_padding): Replace with...
1515         (ia64_function_arg_padding): ...this new function.  Use pad_direction
1516         instead of direction.  Check for TARGET_HPUX.
1517         * config/iq2000/iq2000.h (FUNCTION_ARG_PADDING): Delete.
1518         * config/iq2000/iq2000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1519         (iq2000_function_arg_padding): New function.
1520         * config/mips/mips-protos.h (mips_pad_arg_upward): Delete.
1521         * config/mips/mips.c (mips_pad_arg_upward): Replace with...
1522         (mips_function_arg_padding): ...this new function.
1523         (mips_pad_reg_upward): Update accordingly.
1524         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1525         * config/mips/mips.h (PAD_VARARGS_DOWN): Use
1526         targetm.calls.function_arg_padding.
1527         (FUNCTION_ARG_PADDING): Delete.
1528         (BLOCK_REG_PADDING): Use pad_direction instead of direction.
1529         * config/nios2/nios2.h (FUNCTION_ARG_PADDING): Delete.
1530         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1531         * config/nios2/nios2-protos.h (nios2_function_arg_padding): Delete.
1532         (nios2_block_reg_padding): Return pad_direction instead of direction.
1533         * config/nios2/nios2.c (nios2_block_reg_padding): Return pad_direction
1534         instead of direction.
1535         (nios2_function_arg_padding): Likewise.  Make static.
1536         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1537         * config/pa/pa.h (FUNCTION_ARG_PADDING): Delete.
1538         (BLOCK_REG_PADDING): Use targetm.calls.function_arg_padding.
1539         * config/pa/pa-protos.h (pa_function_arg_padding): Delete.
1540         * config/pa/pa.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1541         (pa_function_arg_padding): Make static.  Return pad_direction instead
1542         of direction.
1543         * config/powerpcspe/powerpcspe.h (FUNCTION_ARG_PADDING): Delete.
1544         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1545         * config/powerpcspe/aix.h (BLOCK_REG_PADDING): Use pad_direction
1546         instead of direction.  Use targetm.calls.function_arg_padding.
1547         * config/powerpcspe/darwin.h (BLOCK_REG_PADDING): Likewise.
1548         * config/powerpcspe/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1549         * config/powerpcspe/linux64.h (BLOCK_REG_PADDING): Likewise.
1550         * config/powerpcspe/powerpcspe-protos.h (function_arg_padding): Delete.
1551         * config/powerpcspe/powerpcspe.c (TARGET_FUNCTION_ARG_PADDING):
1552         Redefine.
1553         (function_arg_padding): Rename to...
1554         (rs6000_function_arg_padding): ...this.  Make static.  Return
1555         pad_direction instead of direction.
1556         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1557         * config/rs6000/rs6000.h (FUNCTION_ARG_PADDING): Delete.
1558         (PAD_VARARGS_DOWN): Use targetm.calls.function_arg_padding.
1559         * config/rs6000/aix.h (BLOCK_REG_PADDING): Use pad_direction
1560         instead of direction.  Use targetm.calls.function_arg_padding.
1561         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Likewise.
1562         * config/rs6000/freebsd64.h (BLOCK_REG_PADDING): Likewise.
1563         * config/rs6000/linux64.h (BLOCK_REG_PADDING): Likewise.
1564         * config/rs6000/rs6000-protos.h (function_arg_padding): Delete.
1565         * config/rs6000/rs6000.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1566         (function_arg_padding): Rename to...
1567         (rs6000_function_arg_padding): ...this.  Make static.  Return
1568         pad_direction instead of direction.
1569         (rs6000_return_in_msb): Use rs6000_function_arg_padding.
1570         * config/s390/s390.h (FUNCTION_ARG_PADDING): Delete.
1571         * config/s390/s390.c (s390_function_arg_padding): New function.
1572         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1573         * config/sparc/sparc.h (FUNCTION_ARG_PADDING): Delete.
1574         * config/sparc/sparc-protos.h (function_arg_padding): Delete.
1575         * config/sparc/sparc.c (TARGET_FUNCTION_ARG_PADDING): Redefine.
1576         (function_arg_padding): Rename to...
1577         (sparc_function_arg_padding): ...this.  Make static.  Return
1578         pad_direction instead of direction.
1579         * config/spu/spu.h (FUNCTION_ARG_PADDING): Delete.
1580         * config/spu/spu.c (spu_function_arg_padding): New function.
1581         (TARGET_FUNCTION_ARG_PADDING): Redefine.
1582         * system.h (FUNCTION_ARG_PADDING): Poison.
1583
1584 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1585             Alan Hayward  <alan.hayward@arm.com>
1586             David Sherwood  <david.sherwood@arm.com>
1587
1588         * target.def (modes_tieable_p): New hook.
1589         * doc/tm.texi (MODES_TIEABLE_P): Replace with...
1590         (TARGET_MODES_TIEABLE_P): ...this.
1591         * doc/tm.texi.in: Regenerate.
1592         * hooks.h (hook_bool_mode_mode_true): Declare.
1593         * hooks.c (hook_bool_mode_mode_true): New function.
1594         * combine.c (subst): Use targetm.modes_tieable_p instead of
1595         MODES_TIEABLE_P.
1596         * dse.c (find_shift_sequence): Likewise.
1597         * expmed.c (extract_low_bits): Likewise.
1598         * lower-subreg.c: Include target.h.
1599         (find_decomposable_subregs): Use targetm.modes_tieable_p instead of
1600         MODES_TIEABLE_P.
1601         * rtlanal.c (rtx_cost): Likewise.
1602         * config/aarch64/aarch64.h (MODES_TIEABLE_P): Delete.
1603         * config/aarch64/aarch64-protos.h (aarch64_modes_tieable_p): Delete.
1604         * config/aarch64/aarch64.c (aarch64_modes_tieable_p): Make static.
1605         (TARGET_MODES_TIEABLE_P): Redefine.
1606         * config/alpha/alpha.h (MODES_TIEABLE_P): Delete.
1607         * config/alpha/alpha.c (alpha_modes_tieable_p): New function.
1608         (TARGET_MODES_TIEABLE_P): Redefine.
1609         * config/arc/arc.h (MODES_TIEABLE_P): Delete.
1610         * config/arc/arc.c (TARGET_MODES_TIEABLE_P): Redefine.
1611         (arc_modes_tieable_p): New function.
1612         * config/arm/arm.h (MODES_TIEABLE_P): Delete.
1613         * config/arm/arm-protos.h (arm_modes_tieable_p): Delete.
1614         * config/arm/arm.c (TARGET_MODES_TIEABLE_P): Redefine.
1615         (arm_modes_tieable_p): Make static.
1616         * config/avr/avr.h (MODES_TIEABLE_P): Delete.
1617         * config/bfin/bfin.h (MODES_TIEABLE_P): Delete.
1618         * config/bfin/bfin.c (bfin_modes_tieable_p): New function.
1619         (TARGET_MODES_TIEABLE_P): Redefine.
1620         * config/c6x/c6x.h (MODES_TIEABLE_P): Delete.
1621         * config/c6x/c6x.c (c6x_modes_tieable_p): New function.
1622         (TARGET_MODES_TIEABLE_P): Redefine.
1623         * config/cr16/cr16.h (MODES_TIEABLE_P): Delete.
1624         * config/cr16/cr16.c (TARGET_MODES_TIEABLE_P): Redefine.
1625         (cr16_modes_tieable_p): New function.
1626         * config/cris/cris.h (MODES_TIEABLE_P): Delete.
1627         * config/epiphany/epiphany.h (MODES_TIEABLE_P): Delete.
1628         * config/fr30/fr30.h (MODES_TIEABLE_P): Delete.
1629         (TRULY_NOOP_TRUNCATION): Update comment.
1630         * config/frv/frv.h (MODES_TIEABLE_P): Delete.
1631         (TRULY_NOOP_TRUNCATION): Update comment.
1632         * config/frv/frv.c (TARGET_MODES_TIEABLE_P): Redefine.
1633         (frv_modes_tieable_p): New function.
1634         * config/ft32/ft32.h (MODES_TIEABLE_P): Delete.
1635         * config/h8300/h8300.h (MODES_TIEABLE_P): Delete.
1636         * config/h8300/h8300.c (h8300_modes_tieable_p): New function.
1637         (TARGET_MODES_TIEABLE_P): Redefine.
1638         * config/i386/i386.h (MODES_TIEABLE_P): Delete.
1639         * config/i386/i386-protos.h (ix86_modes_tieable_p): Delete.
1640         * config/i386/i386.c (ix86_modes_tieable_p): Make static.
1641         (TARGET_MODES_TIEABLE_P): Redefine.
1642         * config/ia64/ia64.h (MODES_TIEABLE_P): Delete.
1643         * config/ia64/ia64.c (TARGET_MODES_TIEABLE_P): Redefine.
1644         (ia64_modes_tieable_p): New function.
1645         * config/iq2000/iq2000.h (MODES_TIEABLE_P): Delete.
1646         * config/iq2000/iq2000.c (TARGET_MODES_TIEABLE_P): Redefine.
1647         (iq2000_modes_tieable_p): New function.
1648         * config/lm32/lm32.h (MODES_TIEABLE_P): Delete.
1649         * config/lm32/lm32.c (TARGET_MODES_TIEABLE_P): Redefine.
1650         (lm32_modes_tieable_p): New function.
1651         * config/m32c/m32c.h (MODES_TIEABLE_P): Delete.
1652         * config/m32c/m32c-protos.h (m32c_modes_tieable_p): Delete.
1653         * config/m32c/m32c.c (m32c_modes_tieable_p): Make static.
1654         (TARGET_MODES_TIEABLE_P): Redefine.
1655         * config/m32r/m32r.h (MODES_TIEABLE_P): Delete.
1656         * config/m32r/m32r.c (TARGET_MODES_TIEABLE_P): Redefine.
1657         (m32r_modes_tieable_p): New function.
1658         * config/m68k/m68k.h (MODES_TIEABLE_P): Delete.
1659         * config/m68k/m68k.c (TARGET_MODES_TIEABLE_P): Redefine.
1660         (m68k_modes_tieable_p): New function.
1661         * config/mcore/mcore.h (MODES_TIEABLE_P): Delete.
1662         * config/mcore/mcore.c (TARGET_MODES_TIEABLE_P): Redefine.
1663         (mcore_modes_tieable_p): New function.
1664         * config/microblaze/microblaze.h (MODES_TIEABLE_P): Delete.
1665         * config/microblaze/microblaze.c (microblaze_modes_tieable_p): New
1666         function.
1667         (TARGET_MODES_TIEABLE_P): Redefine.
1668         * config/mips/mips.h (MODES_TIEABLE_P): Delete.
1669         * config/mips/mips-protos.h (mips_modes_tieable_p): Delete.
1670         * config/mips/mips.c (mips_modes_tieable_p): Make static.
1671         (TARGET_MODES_TIEABLE_P): Redefine.
1672         * config/mmix/mmix.h (MODES_TIEABLE_P): Delete.
1673         * config/mn10300/mn10300.h (MODES_TIEABLE_P): Delete.
1674         * config/mn10300/mn10300-protos.h (mn10300_modes_tieable): Delete.
1675         * config/mn10300/mn10300.c (mn10300_modes_tieable): Rename to...
1676         (mn10300_modes_tieable_p): ...this and make static.
1677         (TARGET_MODES_TIEABLE_P): Redefine.
1678         * config/moxie/moxie.h (MODES_TIEABLE_P): Delete.
1679         * config/msp430/msp430.h (MODES_TIEABLE_P): Delete.
1680         * config/msp430/msp430-protos.h (msp430_modes_tieable_p): Delete.
1681         * config/msp430/msp430.c (TARGET_MODES_TIEABLE_P): Redefine.
1682         (msp430_modes_tieable_p): Make static.
1683         * config/nds32/nds32.h (MODES_TIEABLE_P): Delete.
1684         * config/nds32/nds32.c (nds32_modes_tieable_p): New function.
1685         (TARGET_MODES_TIEABLE_P): Redefine.
1686         * config/nios2/nios2.h (MODES_TIEABLE_P): Delete.
1687         * config/nvptx/nvptx.h (MODES_TIEABLE_P): Delete.
1688         * config/nvptx/nvptx.c (nvptx_modes_tieable_p): New function.
1689         (TARGET_MODES_TIEABLE_P): Redefine.
1690         * config/pa/pa.h (MODES_TIEABLE_P): Delete.
1691         * config/pa/pa-protos.h (pa_modes_tieable_p): Delete.
1692         * config/pa/pa.c (pa_modes_tieable_p): Make static.
1693         (TARGET_MODES_TIEABLE_P): Redefine.
1694         * config/pdp11/pdp11.h (MODES_TIEABLE_P): Delete.
1695         * config/pdp11/pdp11.c (TARGET_MODES_TIEABLE_P): Redefine.
1696         (pdp11_modes_tieable_p): New function.
1697         * config/powerpcspe/powerpcspe.h (MODES_TIEABLE_P): Delete.
1698         * config/powerpcspe/powerpcspe.c (TARGET_MODES_TIEABLE_P): Redefine.
1699         (rs6000_modes_tieable_p): New function.
1700         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1701         * config/powerpcspe/powerpcspe.md: Update comment.
1702         * config/riscv/riscv.h (MODES_TIEABLE_P): Delete.
1703         * config/riscv/riscv.c (riscv_modes_tieable_p): New function.
1704         (TARGET_MODES_TIEABLE_P): Redefine.
1705         * config/rl78/rl78.h (MODES_TIEABLE_P): Delete.
1706         * config/rl78/rl78.c (TARGET_MODES_TIEABLE_P): Redefine.
1707         (rl78_modes_tieable_p): New function.
1708         * config/rs6000/rs6000.h (MODES_TIEABLE_P): Delete.
1709         * config/rs6000/rs6000.c (TARGET_MODES_TIEABLE_P): Redefine.
1710         (rs6000_modes_tieable_p): New function.
1711         (rs6000_debug_reg_global): Use it instead of MODES_TIEABLE_P.
1712         * config/rs6000/rs6000.md: Update comment.
1713         * config/rx/rx.h (MODES_TIEABLE_P): Delete.
1714         * config/rx/rx.c (rx_modes_tieable_p): New function.
1715         (TARGET_MODES_TIEABLE_P): Redefine.
1716         * config/s390/s390.h (MODES_TIEABLE_P): Delete.
1717         * config/s390/s390.c (s390_modes_tieable_p): New function.
1718         (TARGET_MODES_TIEABLE_P): Redefine.
1719         * config/sh/sh.h (MODES_TIEABLE_P): Delete.
1720         * config/sh/sh.c (TARGET_MODES_TIEABLE_P): Redefine.
1721         (sh_modes_tieable_p): New function.
1722         * config/sparc/sparc.h (MODES_TIEABLE_P): Delete.
1723         * config/sparc/sparc-protos.h (sparc_modes_tieable_p): Delete.
1724         * config/sparc/sparc.c (TARGET_MODES_TIEABLE_P): Redefine.
1725         (sparc_modes_tieable_p): Make static.
1726         * config/spu/spu.h (MODES_TIEABLE_P): Delete.
1727         * config/spu/spu.c (spu_modes_tieable_p): New function.
1728         (TARGET_MODES_TIEABLE_P): Redefine.
1729         * config/stormy16/stormy16.h (MODES_TIEABLE_P): Delete.
1730         * config/stormy16/stormy16.c (xstormy16_modes_tieable_p): New function.
1731         (TARGET_MODES_TIEABLE_P): Redefine.
1732         * config/tilegx/tilegx.h (MODES_TIEABLE_P): Delete.
1733         * config/tilepro/tilepro.h (MODES_TIEABLE_P): Delete.
1734         * config/v850/v850.h (MODES_TIEABLE_P): Delete.
1735         * config/v850/v850.c (v850_modes_tieable_p): New function.
1736         (TARGET_MODES_TIEABLE_P): Redefine.
1737         * config/vax/vax.h (MODES_TIEABLE_P): Delete.
1738         * config/visium/visium.h (MODES_TIEABLE_P): Delete.
1739         * config/visium/visium.c (TARGET_MODES_TIEABLE_P): Redefine.
1740         (visium_modes_tieable_p): New function.
1741         * config/xtensa/xtensa.h (MODES_TIEABLE_P): Delete.
1742         * config/xtensa/xtensa.c (TARGET_MODES_TIEABLE_P): Redefine.
1743         (xtensa_modes_tieable_p): New function.
1744         * system.h (MODES_TIEABLE_P): Poison.
1745
1746 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
1747             Alan Hayward  <alan.hayward@arm.com>
1748             David Sherwood  <david.sherwood@arm.com>
1749
1750         * target.def (hard_regno_mode_ok): New hook.
1751         * doc/tm.texi (HARD_REGNO_MODE_OK): Replace with...
1752         (TARGET_HARD_REGNO_MODE_OK): ...this.
1753         * doc/tm.texi.in: Regenerate.
1754         * hooks.h (hook_bool_uint_mode_true): Declare.
1755         * hooks.c (hook_bool_uint_mode_true): New function.
1756         * doc/md.texi: Refer to targetm.hard_regno_mode_ok instead of
1757         HARD_REGNO_MODE_OK.
1758         * genpreds.c (write_insn_preds_c): Add an include of target.h.
1759         * alias.c (init_alias_target): Use targetm.hard_regno_mode_ok
1760         instead of HARD_REGNO_MODE_OK.
1761         * caller-save.c: Include target.h.
1762         (reg_save_code): Use targetm.hard_regno_mode_ok instead of
1763         HARD_REGNO_MODE_OK.
1764         * combine.c (can_combine_p): Likewise.
1765         (combinable_i3pat): Likewise.
1766         (can_change_dest_mode): Likewise.
1767         * expr.c (init_expr_target): Likewise.
1768         (convert_move): Likewise.
1769         (convert_modes): Likewise.
1770         * ira.c (setup_prohibited_class_mode_regs): Likewise.
1771         (setup_prohibited_mode_move_regs): Likewise.
1772         * ira.h (target_ira): Likewise.
1773         * lra-assigns.c (find_hard_regno_for_1): Likewise.
1774         * lra-constraints.c (process_alt_operands): Likewise.
1775         (split_reg): Likewise.
1776         * recog.c (peep2_find_free_register): Likewise.
1777         * ree.c (combine_reaching_defs): Likewise.
1778         * regcprop.c (maybe_mode_change): Likewise.
1779         * reginfo.c (init_reg_sets_1): Likewise.
1780         (choose_hard_reg_mode): Likewise.
1781         (simplifiable_subregs): Likewise.
1782         * regrename.c (check_new_reg_p): Likewise.
1783         * reload.c (find_valid_class): Likewise.
1784         (find_valid_class_1): Likewise.
1785         (reload_inner_reg_of_subreg): Likewise.
1786         (push_reload): Likewise.
1787         (combine_reloads): Likewise.
1788         (find_dummy_reload): Likewise.
1789         (find_reloads): Likewise.
1790         * reload1.c (find_reg): Likewise.
1791         (set_reload_reg): Likewise.
1792         (allocate_reload_reg): Likewise.
1793         (choose_reload_regs): Likewise.
1794         (reload_adjust_reg_for_temp): Likewise.
1795         * rtlanal.c (subreg_size_offset_from_lsb): Likewise.
1796         (simplify_subreg_regno): Likewise.
1797         * sel-sched.c (init_regs_for_mode): Likewise.
1798         * varasm.c (make_decl_rtl): Likewise.
1799         * config/aarch64/aarch64.h (HARD_REGNO_MODE_OK): Delete.
1800         (MODES_TIEABLE_P): Use targetm.hard_regno_mode_ok instead of
1801         HARD_REGNO_MODE_OK.
1802         * config/aarch64/aarch64-protos.h (aarch64_hard_regno_mode_ok): Delete.
1803         * config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Make static.
1804         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1805         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Delete.
1806         * config/alpha/alpha.c (alpha_hard_regno_mode_ok): New function.
1807         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1808         * config/arc/arc.h (arc_hard_regno_mode_ok): Delete.
1809         (arc_mode_class): Delete.
1810         (HARD_REGNO_MODE_OK): Delete.
1811         * config/arc/arc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1812         (arc_hard_regno_mode_ok): Rename old array to...
1813         (arc_hard_regno_mode_ok_modes): ...this.
1814         (arc_conditional_register_usage): Update accordingly.
1815         (arc_mode_class): Make static.
1816         (arc_hard_regno_mode_ok): New function.
1817         * config/arm/arm.h (HARD_REGNO_MODE_OK): Delete.
1818         * config/arm/arm-protos.h (arm_hard_regno_mode_ok): Delete.
1819         * config/arm/arm.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1820         (arm_hard_regno_mode_ok): Make static.
1821         * config/arm/arm.md (movdi): Use targetm.hard_regno_mode_ok instead of
1822         HARD_REGNO_MODE_OK.
1823         * config/avr/avr-protos.h (avr_hard_regno_mode_ok): Delete.
1824         * config/avr/avr.h (HARD_REGNO_MODE_OK): Delete.
1825         * config/avr/avr.c (avr_hard_regno_mode_ok): Make static and
1826         return a bool.
1827         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1828         * config/bfin/bfin-protos.h (hard_regno_mode_ok): Delete.
1829         * config/bfin/bfin.h (HARD_REGNO_MODE_OK): Delete.
1830         * config/bfin/bfin.c (hard_regno_mode_ok): Rename to...
1831         (bfin_hard_regno_mode_ok): ...this.  Make static and return a bool.
1832         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1833         * config/bfin/predicates.md (valid_reg_operand): Use
1834         targetm.hard_regno_mode_ok instead of HARD_REGNO_MODE_OK.
1835         * config/c6x/c6x.h (HARD_REGNO_MODE_OK): Delete.
1836         * config/c6x/c6x.c (c6x_hard_regno_mode_ok): New function.
1837         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1838         * config/cr16/cr16.h (HARD_REGNO_MODE_OK): Delete.
1839         * config/cr16/cr16-protos.h (cr16_hard_regno_mode_ok): Delete.
1840         * config/cr16/cr16.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1841         (cr16_hard_regno_mode_ok): Make static and return a bool.
1842         * config/cris/cris.h (HARD_REGNO_MODE_OK): Delete.
1843         * config/cris/cris.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1844         (cris_hard_regno_mode_ok): New function.
1845         * config/epiphany/epiphany.h (epiphany_hard_regno_mode_ok): Delete.
1846         (epiphany_mode_class): Delete.
1847         (HARD_REGNO_MODE_OK): Delete.
1848         * config/epiphany/epiphany-protos.h (hard_regno_mode_ok): Delete.
1849         * config/epiphany/epiphany.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1850         (hard_regno_mode_ok): Rename to...
1851         (epiphany_hard_regno_mode_ok): ...this.  Make static and return a bool.
1852         * config/fr30/fr30.h (HARD_REGNO_MODE_OK): Delete.
1853         * config/fr30/fr30.md: Refer to targetm.hard_regno_mode_ok instead of
1854         HARD_REGNO_MODE_OK.
1855         * config/frv/frv.h (HARD_REGNO_MODE_OK): Delete.
1856         * config/frv/frv-protos.h (frv_hard_regno_mode_ok): Delete.
1857         * config/frv/frv.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1858         (frv_hard_regno_mode_ok): Make static and return a bool.
1859         * config/frv/frv.md: Refer to targetm.hard_regno_mode_ok instead of
1860         HARD_REGNO_MODE_OK.
1861         * config/ft32/ft32.h (HARD_REGNO_MODE_OK): Delete.
1862         * config/h8300/h8300.h (HARD_REGNO_MODE_OK): Delete.
1863         * config/h8300/h8300-protos.h (h8300_hard_regno_mode_ok): Delete.
1864         * config/h8300/h8300.c (h8300_hard_regno_mode_ok): Make static
1865         and return a bool.
1866         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1867         * config/i386/i386.h (HARD_REGNO_MODE_OK): Delete.
1868         * config/i386/i386-protos.h (ix86_hard_regno_mode_ok): Delete.
1869         * config/i386/i386.c (ix86_hard_regno_mode_ok): Make static and
1870         return a bool.
1871         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1872         * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Delete.
1873         * config/ia64/ia64.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1874         (ia64_hard_regno_mode_ok): New function.
1875         * config/iq2000/iq2000.h (HARD_REGNO_MODE_OK): Delete.
1876         * config/iq2000/iq2000.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1877         (iq2000_hard_regno_mode_ok): New function.
1878         * config/lm32/lm32.h (HARD_REGNO_MODE_OK): Delete.
1879         * config/lm32/lm32.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1880         (lm32_hard_regno_mode_ok): New function.
1881         * config/m32c/m32c.h (HARD_REGNO_MODE_OK): Delete.
1882         * config/m32c/m32c-protos.h (m32c_hard_regno_ok): Delete.
1883         * config/m32c/m32c.c (class_can_hold_mode): Use m32c_hard_regno_mode_ok
1884         instead of HARD_REGNO_MODE_OK.
1885         (m32c_hard_regno_ok): Rename to...
1886         (m32c_hard_regno_mode_ok): ...this.  Make static and return a bool.
1887         (m32c_cannot_change_mode_class): Update accordingly.
1888         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1889         * config/m32r/m32r.h (m32r_hard_regno_mode_ok): Delete.
1890         (m32r_mode_class): Delete.
1891         (HARD_REGNO_MODE_OK): Delete.
1892         * config/m32r/m32r.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1893         (m32r_hard_regno_mode_ok): Rename to...
1894         (m32r_hard_regno_modes): ...this.
1895         (m32r_mode_class): Make static.
1896         (m32r_hard_regno_mode_ok): New function.
1897         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Delete.
1898         * config/m68k/m68k-protos.h (m68k_regno_mode_ok): Delete.
1899         * config/m68k/m68k.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1900         (m68k_hard_regno_mode_ok): Make static.
1901         * config/mcore/mcore.h (HARD_REGNO_MODE_OK): Delete.
1902         * config/mcore/mcore.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1903         (mcore_hard_regno_mode_ok): New function.
1904         * config/microblaze/microblaze.h (microblaze_hard_regno_mode_ok)
1905         (HARD_REGNO_MODE_OK): Delete.
1906         * config/microblaze/microblaze.c (microblaze_hard_regno_mode_ok):
1907         Rename to...
1908         (microblaze_hard_regno_mode_ok_p): ...this and make static.
1909         (microblaze_hard_regno_mode_ok): New function.
1910         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1911         * config/mips/mips.h (HARD_REGNO_MODE_OK): Delete.
1912         (mips_hard_regno_mode_ok): Delete.
1913         * config/mips/mips.c (mips_hard_regno_mode_ok): Rename to...
1914         (mips_hard_regno_mode_ok_p): ...this and make static.
1915         (mips_hard_regno_mode_ok_p): Rename to...
1916         (mips_hard_regno_mode_ok_uncached): ...this.
1917         (mips_hard_regno_mode_ok): New function.
1918         (mips_class_max_nregs): Use mips_hard_regno_mode_ok instead
1919         of HARD_REGNO_MODE_OK.
1920         (mips_option_override): Update after above name changes.
1921         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1922         * config/mmix/mmix.h (HARD_REGNO_MODE_OK): Delete.
1923         * config/mn10300/mn10300.h (HARD_REGNO_MODE_OK): Delete.
1924         * config/mn10300/mn10300-protos.h (mn10300_hard_regno_mode_ok): Delete.
1925         * config/mn10300/mn10300.c (mn10300_hard_regno_mode_ok): Make static.
1926         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1927         * config/moxie/moxie.h (HARD_REGNO_MODE_OK): Delete.
1928         * config/msp430/msp430.h (HARD_REGNO_MODE_OK): Delete.
1929         * config/msp430/msp430-protos.h (msp430_hard_regno_mode_ok): Delete.
1930         * config/msp430/msp430.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1931         (msp430_hard_regno_mode_ok): Make static and return a bool.
1932         * config/nds32/nds32.h (HARD_REGNO_MODE_OK): Delete.
1933         * config/nds32/nds32-protos.h (nds32_hard_regno_mode_ok): Delete.
1934         * config/nds32/nds32.c (nds32_hard_regno_mode_ok): Make static
1935         and return a bool.
1936         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1937         * config/nios2/nios2.h (HARD_REGNO_MODE_OK): Delete.
1938         * config/nvptx/nvptx.h (HARD_REGNO_MODE_OK): Delete.
1939         * config/pa/pa.h (MODES_TIEABLE_P): Update commentary.
1940         * config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): Rename to...
1941         (PA_HARD_REGNO_MODE_OK): ...this
1942         * config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Rename to...
1943         (PA_HARD_REGNO_MODE_OK): ...this.
1944         * config/pa/pa.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1945         (pa_hard_regno_mode_ok): New function.
1946         * config/pdp11/pdp11.h (HARD_REGNO_MODE_OK): Delete.
1947         * config/pdp11/pdp11.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1948         (pdp11_hard_regno_mode_ok): New function.
1949         * config/powerpcspe/powerpcspe.h (HARD_REGNO_MODE_OK): Delete.
1950         * config/powerpcspe/powerpcspe-protos.h (rs6000_hard_regno_mode_ok_p):
1951         Delete.
1952         * config/powerpcspe/powerpcspe.c (rs6000_hard_regno_mode_ok_p):
1953         Make static.
1954         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1955         (rs6000_hard_regno_mode_ok): Rename to...
1956         (rs6000_hard_regno_mode_ok_uncached): ...this.
1957         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1958         (rs6000_hard_regno_mode_ok): New function.
1959         * config/riscv/riscv.h (HARD_REGNO_MODE_OK): Delete.
1960         * config/riscv/riscv-protos.h (riscv_hard_regno_mode_ok_p): Delete.
1961         * config/riscv/riscv.c (riscv_hard_regno_mode_ok_p): Rename to...
1962         (riscv_hard_regno_mode_ok): ...this and make static.
1963         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1964         * config/rl78/rl78.h (HARD_REGNO_MODE_OK): Delete.
1965         * config/rl78/rl78-protos.h (rl78_hard_regno_mode_ok): Delete.
1966         * config/rl78/rl78.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1967         (rl78_hard_regno_mode_ok): Make static and return bool.
1968         * config/rs6000/rs6000.h (HARD_REGNO_MODE_OK): Delete.
1969         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
1970         Delete.
1971         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): Make static.
1972         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1973         (rs6000_hard_regno_mode_ok): Rename to...
1974         (rs6000_hard_regno_mode_ok_uncached): ...this.
1975         (rs6000_init_hard_regno_mode_ok): Update accordingly.
1976         (rs6000_hard_regno_mode_ok): New function.
1977         * config/rx/rx.h (HARD_REGNO_MODE_OK): Delete.
1978         * config/rx/rx.c (rx_hard_regno_mode_ok): New function.
1979         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1980         * config/s390/s390.h (HARD_REGNO_MODE_OK): Delete.
1981         * config/s390/s390-protos.h (s390_hard_regno_mode_ok): Delete.
1982         * config/s390/s390.c (s390_hard_regno_mode_ok): Make static.
1983         (TARGET_HARD_REGNO_MODE_OK): Redefine.
1984         * config/sh/sh.h (HARD_REGNO_MODE_OK): Delete.
1985         * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Delete.
1986         * config/sh/sh.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1987         (sh_hard_regno_mode_ok): Make static.
1988         * config/sparc/constraints.md: Refer to targetm.hard_regno_mode_ok
1989         instead of HARD_REGNO_MODE_OK.
1990         * config/sparc/sparc.h (hard_regno_mode_classes): Delete.
1991         (sparc_mode_class): Delete.
1992         (HARD_REGNO_MODE_OK): Delete.
1993         * config/sparc/sparc.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
1994         (hard_regno_mode_classes): Make static.
1995         (sparc_mode_class): Likewise.
1996         (sparc_hard_regno_mode_ok): New function.
1997         * config/spu/spu.h (HARD_REGNO_MODE_OK): Delete.
1998         * config/stormy16/stormy16.h (HARD_REGNO_MODE_OK): Delete.
1999         * config/stormy16/stormy16.c (xstormy16_hard_regno_mode_ok): New
2000         function.
2001         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2002         * config/tilegx/tilegx.h (HARD_REGNO_MODE_OK): Delete.
2003         * config/tilepro/tilepro.h (HARD_REGNO_MODE_OK): Delete.
2004         * config/v850/v850.h (HARD_REGNO_MODE_OK): Delete.
2005         * config/v850/v850.c (v850_hard_regno_mode_ok): New function.
2006         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2007         * config/vax/vax.h (HARD_REGNO_MODE_OK): Delete.
2008         * config/visium/visium.h (HARD_REGNO_MODE_OK): Delete.
2009         * config/visium/visium.c (TARGET_HARD_REGNO_MODE_OK): Redefine.
2010         (visium_hard_regno_mode_ok): New function.
2011         * config/visium/visium.md: Refer to targetm.hard_regno_mode_ok
2012         instead of HARD_REGNO_MODE_OK.
2013         * config/xtensa/xtensa.h (xtensa_hard_regno_mode_ok): Delete.
2014         (HARD_REGNO_MODE_OK): Delete.
2015         * config/xtensa/xtensa.c (xtensa_hard_regno_mode_ok): Rename to...
2016         (xtensa_hard_regno_mode_ok_p): ...this and make static.
2017         (xtensa_option_override): Update accordingly.
2018         (TARGET_HARD_REGNO_MODE_OK): Redefine.
2019         (xtensa_hard_regno_mode_ok): New function.
2020         * system.h (HARD_REGNO_MODE_OK): Poison.
2021
2022 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2023             Alan Hayward  <alan.hayward@arm.com>
2024             David Sherwood  <david.sherwood@arm.com>
2025
2026         * target.def (hard_regno_call_part_clobbered): New hook.
2027         * doc/tm.texi.in (HARD_REGNO_CALL_PART_CLOBBERED): Replace with...
2028         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): ...this hook.
2029         * doc/tm.texi: Regenerate.
2030         * hooks.h (hook_bool_uint_mode_false): Declare.
2031         * hooks.c (hook_bool_uint_mode_false): New function.
2032         * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2033         * cselib.c (cselib_process_insn): Use
2034         targetm.hard_regno_call_part_clobbered instead of
2035         HARD_REGNO_CALL_PART_CLOBBERED.
2036         * ira-conflicts.c (ira_build_conflicts): Likewise.
2037         * ira-costs.c (ira_tune_allocno_costs): Likewise.
2038         * lra-constraints.c (need_for_call_save_p): Likewise.
2039         * lra-lives.c: Include target.h.
2040         (check_pseudos_live_through_calls): Use
2041         targetm.hard_regno_call_part_clobbered instead of
2042         HARD_REGNO_CALL_PART_CLOBBERED.
2043         * regcprop.c: Include target.h.
2044         (copyprop_hardreg_forward_1): Use
2045         targetm.hard_regno_call_part_clobbered instead of
2046         HARD_REGNO_CALL_PART_CLOBBERED.
2047         * reginfo.c (choose_hard_reg_mode): Likewise.
2048         * regrename.c (check_new_reg_p): Likewise.
2049         * reload.c (find_equiv_reg): Likewise.
2050         * reload1.c (emit_reload_insns): Likewise.
2051         * sched-deps.c (deps_analyze_insn): Likewise.
2052         * sel-sched.c (init_regs_for_mode): Likewise.
2053         (mark_unavailable_hard_regs): Likewise.
2054         * targhooks.c (default_dwarf_frame_reg_mode): Likewise.
2055         * config/aarch64/aarch64.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2056         * config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
2057         New function.
2058         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2059         * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2060         * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered):
2061         Delete.
2062         * config/avr/avr.c (avr_hard_regno_call_part_clobbered): Make static
2063         and return a bool.
2064         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2065         * config/i386/i386.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2066         * config/i386/i386.c (ix86_hard_regno_call_part_clobbered): New
2067         function.
2068         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2069         * config/mips/mips.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2070         * config/mips/mips.c (mips_hard_regno_call_part_clobbered): New
2071         function.
2072         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2073         * config/powerpcspe/powerpcspe.h (HARD_REGNO_CALL_PART_CLOBBERED):
2074         Delete.
2075         * config/powerpcspe/powerpcspe.c
2076         (rs6000_hard_regno_call_part_clobbered): New function.
2077         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2078         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2079         * config/rs6000/rs6000.c (rs6000_hard_regno_call_part_clobbered):
2080         New function.
2081         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2082         * config/s390/s390.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2083         * config/s390/s390.c (s390_hard_regno_call_part_clobbered): New
2084         function.
2085         (TARGET_HARD_REGNO_CALL_PART_CLOBBERED): Redefine.
2086         * config/sh/sh.h (HARD_REGNO_CALL_PART_CLOBBERED): Delete.
2087         * system.h (HARD_REGNO_CALL_PART_CLOBBERED): Poison.
2088
2089 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2090             Alan Hayward  <alan.hayward@arm.com>
2091             David Sherwood  <david.sherwood@arm.com>
2092
2093         * rtl.h (subreg_memory_offset): Declare.
2094         * emit-rtl.c (subreg_memory_offset): New function.
2095         * expmed.c (store_bit_field_1): Use it.
2096         * expr.c (undefined_operand_subword_p): Likewise.
2097         * simplify-rtx.c (simplify_subreg): Likewise.
2098
2099 2017-09-04  Alexander Monakov  <amonakov@ispras.ru>
2100
2101         PR rtl-optimization/57448
2102         PR target/67458
2103         PR target/81316
2104         * optabs.c (expand_atomic_load): Place compiler memory barriers if
2105         using atomic_load pattern.
2106         (expand_atomic_store): Likewise.
2107
2108 2017-09-04  Jakub Jelinek  <jakub@redhat.com>
2109
2110         PR sanitizer/81981
2111         * gimple-fold.c (gimple_fold_call): Optimize away useless UBSAN_PTR
2112         and UBSAN_BOUNDS internal calls.  Clean up IFN_UBSAN_OBJECT_SIZE
2113         handling.  Use replace_call_with_value with NULL instead of
2114         gsi_replace, unlink_stmt_vdef and release_defs.
2115
2116         * gdbhooks.py (OptMachineModePrinter.to_string): Use 8 spaces
2117         instead of tab.
2118
2119         * lra-remat.c (reg_overlap_for_remat_p): Fix a pasto.
2120
2121 2017-09-04  Richard Sandiford  <richard.sandiford@linaro.org>
2122
2123         PR bootstrap/82045
2124         * rtl.h (emit_library_call_value_1): Declare.
2125         (emit_library_call): Replace declaration with a series of overloads.
2126         Remove the parameter count argument.
2127         (emit_library_call_value): Likewise.
2128         * calls.c (emit_library_call_value_1): Make global.  Replace varargs
2129         with an "rtx_mode_t *".
2130         (emit_library_call_value): Delete.
2131         (emit_library_call): Likewise.
2132         * asan.c (asan_emit_stack_protection): Update calls accordingly.
2133         (asan_emit_allocas_unpoison): Likewise.
2134         * builtins.c (expand_builtin_powi): Likewise.
2135         (expand_asan_emit_allocas_unpoison): Likewise.
2136         * cfgexpand.c (expand_main_function): Likewise.
2137         * config/aarch64/aarch64.c (aarch64_trampoline_init): Likewise.
2138         * config/aarch64/aarch64.h (PROFILE_HOOK): Likewise.
2139         * config/alpha/alpha.c (alpha_trampoline_init): Likewise.
2140         * config/arm/arm.c (arm_trampoline_init): Likewise.
2141         (arm_call_tls_get_addr): Likewise.
2142         (arm_expand_divmod_libfunc): Likewise.
2143         * config/bfin/bfin.md (umulsi3_highpart): Likewise.
2144         (smulsi3_highpart): Likewise.
2145         * config/c6x/c6x.c (c6x_initialize_trampoline): Likewise.
2146         (c6x_expand_compare): Likewise.
2147         (c6x_expand_movmem): Likewise.
2148         * config/frv/frv.c (frv_trampoline_init): Likewise.
2149         * config/i386/i386.c (ix86_trampoline_init): Likewise.
2150         (ix86_expand_divmod_libfunc): Likewise.
2151         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
2152         (ia64_expand_compare): Likewise.
2153         (ia64_profile_hook): Likewise.
2154         * config/ia64/ia64.md (save_stack_nonlocal): Likewise.
2155         (nonlocal_goto): Likewise.
2156         (restore_stack_nonlocal): Likewise.
2157         * config/m32r/m32r.c (block_move_call): Likewise.
2158         (m32r_trampoline_init): Likewise.
2159         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Likewise.
2160         * config/m68k/m68k.c (m68k_call_tls_get_addr): Likewise.
2161         (m68k_call_m68k_read_tp): Likewise.
2162         * config/microblaze/microblaze.c (microblaze_call_tls_get_addr)
2163         (microblaze_expand_divide): Likewise.
2164         * config/mips/mips.h (mips_args): Likewise.
2165         * config/mips/sdemtk.h (mips_sync_icache): Likewise.
2166         (MIPS_ICACHE_SYNC): Likewise.
2167         * config/nios2/nios2.c (nios2_emit_expensive_div): Likewise.
2168         (nios2_trampoline_init): Likewise.
2169         * config/pa/pa.c (hppa_tls_call): Likewise.
2170         (pa_trampoline_init): Likewise.
2171         * config/pa/pa.md (canonicalize_funcptr_for_compare): Likewise.
2172         * config/powerpcspe/powerpcspe.c (rs6000_legitimize_tls_address)
2173         (expand_strn_compare): Likewise.
2174         (rs6000_generate_compare): Likewise.
2175         (rs6000_expand_float128_convert): Likewise.
2176         (output_profile_hook): Likewise.
2177         (rs6000_trampoline_init): Likewise.
2178         * config/powerpcspe/powerpcspe.md (neg<mode>2): Likewise.
2179         * config/riscv/riscv.h (PROFILE_HOOK): Likewise.
2180         * config/rs6000/rs6000-string.c (expand_strn_compare): Likewise.
2181         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
2182         (rs6000_generate_compare): Likewise.
2183         (rs6000_expand_float128_convert): Likewise.
2184         (output_profile_hook): Likewise.
2185         (rs6000_trampoline_init): Likewise.
2186         * config/rs6000/rs6000.md (neg<mode>2): Likewise.
2187         * config/sh/sh.c (sh_trampoline_init): Likewise.
2188         * config/sparc/sparc.c (emit_soft_tfmode_libcall): Likewise.
2189         (sparc_emit_float_lib_cmp): Likewise.
2190         (sparc32_initialize_trampoline): Likewise.
2191         (sparc64_initialize_trampoline): Likewise.
2192         (sparc_profile_hook): Likewise.
2193         * config/spu/spu.c (ea_load_store): Likewise.
2194         * config/spu/spu.md (floatunssidf2): Likewise.
2195         * config/tilegx/tilegx.c (tilegx_trampoline_init): Likewise.
2196         * config/tilepro/tilepro.c (tilepro_trampoline_init): Likewise.
2197         * config/visium/visium.c (expand_block_move_4): Likewise.
2198         (expand_block_move_2): Likewise.
2199         (expand_block_move_1): Likewise.
2200         (expand_block_set_4): Likewise.
2201         (expand_block_set_2): Likewise.
2202         (expand_block_set_1): Likewise.
2203         (visium_trampoline_init): Likewise.
2204         (visium_profile_hook): Likewise.
2205         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Likewise.
2206         (xtensa_setup_frame_addresses): Likewise.
2207         (xtensa_trampoline_init): Likewise.
2208         * except.c (sjlj_emit_function_enter): Likewise.
2209         (sjlj_emit_function_exit): Likewise.
2210         * explow.c (allocate_dynamic_stack_space): Likewise.
2211         (probe_stack_range): Likewise.
2212         * expr.c (convert_mode_scalar): Likewise.
2213         * optabs.c (expand_binop): Likewise.
2214         (expand_twoval_binop_libfunc): Likewise.
2215         (expand_unop): Likewise.
2216         (prepare_cmp_insn): Likewise.
2217         (prepare_float_lib_cmp): Likewise.
2218         (expand_float): Likewise.
2219         (expand_fix): Likewise.
2220         (expand_fixed_convert): Likewise.
2221         (maybe_emit_sync_lock_test_and_set): Likewise.
2222         (expand_atomic_compare_and_swap): Likewise.
2223         (expand_mem_thread_fence): Likewise.
2224         (expand_atomic_fetch_op): Likewise.
2225
2226 2017-09-03  Gerald Pfeifer  <gerald@pfeifer.com>
2227
2228         * doc/generic.texi (OpenACC): Adjust URL.
2229         * doc/invoke.texi (C Dialect Options): Ditto.
2230
2231 2017-09-03  Uros Bizjak  <ubizjak@gmail.com>
2232
2233         * config/i386/i386.md (*bt<mode>): Use nonimmediate_operand
2234         predicate for operand 1.  Add (m,<S>) constraint.
2235         (*jcc_bt<mode>): Use nonimmediate_operand predicate for operand 1.
2236         Prevent memory operand 1 with register operand 2.
2237
2238 2017-09-01  Segher Boessenkool  <segher@kernel.crashing.org>
2239
2240         PR rtl-optimization/82024
2241         * combine.c (try_combine): If the combination result is a PARALLEL,
2242         and we only need to retain the SET in there that would be placed
2243         at I2, check that we can place that at I3 instead, before doing so.
2244
2245 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2246
2247         PR target/81766
2248         * config/i386/i386.c (ix86_init_large_pic_reg): Return label
2249         instead of void.
2250         (ix86_init_pic_reg): Remember label from ix86_init_large_pic_reg,
2251         if non-NULL and preceded by NOTE_INSN_BASIC_BLOCK, swap the note
2252         and label.
2253
2254 2017-09-01  Joerg Sonnenberger  <joerg@bec.de>
2255             Jeff Law  <law@redhat.com>
2256
2257         * varasm.c (bss_initializer_p): Do not put constants into .bss
2258         (categorize_decl_for_section): Handle bss_initializer_p returning
2259         false when DECL_INITIAL is NULL.
2260
2261 2017-09-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
2262
2263         PR target/82012
2264         * config/s390/s390.c (s390_can_inline_p): New function.
2265
2266 2017-09-01  Jeff Law  <law@redhat.com>
2267
2268         PR tree-optimization/82052
2269         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
2270         Always initialize the returned slot after a hash table miss
2271         when INSERT is true.
2272
2273 2017-09-01  Alexander Monakov  <amonakov@ispras.ru>
2274
2275         * config/s390/s390.md (mem_signal_fence): Remove.
2276         * doc/md.texi (mem_signal_fence): Remove.
2277         * optabs.c (expand_mem_signal_fence): Remove uses of mem_signal_fence.
2278         Update comments.
2279         * target-insns.def (mem_signal_fence): Remove.
2280
2281 2017-09-01  Jakub Jelinek  <jakub@redhat.com>
2282
2283         PR sanitizer/81902
2284         * doc/invoke.texi: Document -fsanitize=pointer-overflow.
2285
2286         PR sanitizer/81923
2287         * asan.c (create_odr_indicator): Strip name encoding from assembler
2288         name before appending it after __odr_asan_.
2289
2290 2017-09-01  Martin Liska  <mliska@suse.cz>
2291
2292         PR tree-optimization/82059
2293         * gimple-ssa-isolate-paths.c (isolate_path): Add profile and
2294         frequency only when an edge is redirected.
2295
2296 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2297
2298         * config/arc/arc-c.c (__ARC_LPC_WIDTH__): Add builtin define.
2299         * config/arc/arc.c (ARC_MAX_LOOP_LENGTH): Define.
2300         (arc_conditional_register_usage): Remove ARC600 lp_count
2301         exception.
2302         (arc_file_start): Emit Tag_ARC_CPU_variation.
2303         (arc_can_use_doloop_p): New conditions to use ZOLs.
2304         (hwloop_fail): New function.
2305         (hwloop_optimize): Likewise.
2306         (hwloop_pattern_reg): Likewise.
2307         (arc_doloop_hooks): New struct, to be used with reorg_loops.
2308         (arc_reorg_loops): New function, calls reorg_loops.
2309         (arc_reorg): Call arc_reorg_loops.  Remove old ZOL handling.
2310         (arc600_corereg_hazard): Remove ZOL checking, case handled by
2311         hwloop_optimize.
2312         (arc_loop_hazard): Remove function, functionality moved into
2313         hwloop_optimize.
2314         (arc_hazard): Remove arc_loop_hazard call.
2315         (arc_adjust_insn_length): Remove ZOL handling, functionality moved
2316         into hwloop_optimize.
2317         (arc_label_align): Remove ZOL handling.
2318         * config/arc/arc.h (LOOP_ALIGN): Changed to 0.
2319         * config/arc/arc.md (doloop_begin): Remove pattern.
2320         (doloop_begin_i): Likewise.
2321         (doloop_end_i): Likewise.
2322         (doloop_fallback): Likewise.
2323         (doloop_fallback_m): Likewise.
2324         (doloop_end): Reimplement expand.
2325         (arc_lp): New pattern for LP instruction.
2326         (loop_end): New pattern.
2327         (loop_fail): Likewise.
2328         (decrement_and_branch_until_zero): Likewise.
2329         * config/arc/arc.opt (mlpc-width): New option.
2330         * doc/invoke.texi (mlpc-width): Document option.
2331
2332 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2333
2334         * config/arc/arc.c (arc_ifcvt): Remove use of merge_blocks call.
2335         (arc_ccfsm_advance): Fix checking for delay slots.
2336         (arc_reorg): Add rtl dump after each call to arc_ifcvt.
2337
2338 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2339
2340         * config/arc/arc.md (movqi_insn): Add stores to save constant long
2341         immediates.
2342         (movhi_insn): Update store instruction constraint which are saving
2343         6-bit short immediates.
2344         (movsi_insn): Consider also short scaled load operations.
2345         (zero_extendhisi2_i): Use Usd constraint instead of T.
2346         (extendhisi2_i): Add q constraint.
2347         (arc_clzsi2): Add type and length attributes.
2348         (arc_ctzsi2): Likewise.
2349         * config/arc/constraints.md (Usc): Update constraint, the
2350         assembler can parse two relocations for a single instruction.
2351
2352 2017-09-01  Claudiu Zissulescu  <claziss@synopsys.com>
2353
2354         * config/arc/arc.c (arc_use_anchors_for_symbol_p): New function.
2355         (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
2356
2357 2017-08-31  Olivier Hainque  <hainque@adacore.com>
2358
2359         * config.gcc (powerpc-wrs-vxworks|vxworksae|vxworksmils): Now
2360         match as powerpc-wrs-vxworks*.
2361
2362 2017-08-31  James Greenhalgh  <james.greenhalgh@arm.com>
2363
2364         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): Fix
2365         register constraint for by-element operand.
2366         (aarch64_mls_elt_merge<mode>): Likewise.
2367
2368 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2369
2370         * config/arc/arc.c (arc_can_follow_jump): Check for short
2371         branches.
2372
2373 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2374
2375         * config.gcc: Use g.opt for arc.
2376         * config/arc/arc.c (LEGITIMATE_SCALED_ADDRESS_P): Deleted,
2377         functionality moved to ...
2378         (legitimate_scaled_address_p): New function, ...here.
2379         (LEGITIMATE_SMALL_DATA_OFFSET_P): New define.
2380         (LEGITIMATE_SMALL_DATA_ADDRESS_P): Use the above define.
2381         (legitimate_offset_address_p): Delete TARGET_NO_SDATA_SET
2382         condition.
2383         (arc_override_options): Handle G option.
2384         (arc_output_pic_addr_const): Correct function definition.
2385         (arc_legitimate_address_p): Use legitimate_scaled_address_p.
2386         (arc_decl_anon_ns_mem_p): Delete.
2387         (arc_in_small_data_p): Overhaul this function to take into
2388         consideration the value given via G option.
2389         (arc_rewrite_small_data_1): Renamed and corrected old
2390         arc_rewrite_small_data function.
2391         (arc_rewrite_small_data): New function.
2392         (small_data_pattern): Don't use pic_offset_table_rtx.
2393         * config/arc/arc.h (CC1_SPEC): Recognize G option.
2394         * config/arc/simdext.md (movmisalignv2hi): Use
2395         prepare_move_operands function.
2396         (mov*): Likewise.
2397         (movmisalign*): Likewise.
2398         * doc/invoke.texi (ARC options): Document -G option.
2399
2400 2017-08-31  Claudiu Zissulescu  <claziss@synopsys.com>
2401
2402         * config/arc/arc-protos.h (compact_sda_memory_operand): Update
2403         prototype.
2404         * config/arc/arc.c (arc_print_operand): Output scalled address for
2405         sdata whenever is possible.
2406         (arc_in_small_data_p): Allow sdata for 64bit datum when double
2407         load/stores are available.
2408         (compact_sda_memory_operand): Check for the alignment required by
2409         code density instructions.
2410         * config/arc/arc.md (movsi_insn): Use newly introduced Us0
2411         constraint.
2412         * config/arc/constraints.md (Usd): Update constraint.
2413         (Us0): New constraint.
2414         (Usc): Update constraint.
2415
2416 2017-08-31  Richard Biener  <rguenther@suse.de>
2417
2418         PR middle-end/82054
2419         * dwarf2out.c (dwarf2out_early_global_decl): Process each
2420         function only once.
2421
2422 2017-08-31  Tamar Christina  <tamar.christina@arm.com>
2423
2424         * config/aarch64/aarch64-builtins.c (aarch64_init_simd_builtins):
2425         Resize type_signature.
2426
2427 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2428             Alan Hayward  <alan.hayward@arm.com>
2429             David Sherwood  <david.sherwood@arm.com>
2430
2431         * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow
2432         subregs whose inner modes can be stored in GPRs.
2433         (aarch64_classify_index): Likewise.
2434
2435 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2436             Alan Hayward  <alan.hayward@arm.com>
2437             David Sherwood  <david.sherwood@arm.com>
2438
2439         * config/aarch64/iterators.md (V_cmp_result): Rename to...
2440         (V_INT_EQUIV): ...this.
2441         (v_cmp_result): Rename to...
2442         (v_int_equiv): ...this.
2443         * config/aarch64/aarch64.md (xorsign<mode>3): Update accordingly.
2444         * config/aarch64/aarch64-simd.md (xorsign<mode>3): Likewise.
2445         (copysign<mode>3): Likewise.
2446         (aarch64_simd_bsl<mode>_internal): Likewise.
2447         (aarch64_simd_bsl<mode>): Likewise.
2448         (vec_cmp<mode><mode>): Likewise.
2449         (vcond<mode><mode>): Likewise.
2450         (vcond<v_cmp_mixed><mode>): Likewise.
2451         (vcondu<mode><v_cmp_mixed>): Likewise.
2452         (aarch64_cm<optab><mode>): Likewise.
2453         (aarch64_cmtst<mode>): Likewise.
2454         (aarch64_fac<optab><mode>): Likewise.
2455         (vec_perm_const<mode>): Likewise.
2456         (vcond_mask_<mode><v_cmp_result>): Rename to...
2457         (vcond_mask_<mode><v_int_equiv>): ...this.
2458         (vec_cmp<mode><v_cmp_result>): Rename to...
2459         (vec_cmp<mode><v_int_equiv>): ...this.
2460
2461 2017-08-31  Richard Sandiford  <richard.sandiford@linaro.org>
2462             Alan Hayward  <alan.hayward@arm.com>
2463             David Sherwood  <david.sherwood@arm.com>
2464
2465         * config/aarch64/aarch64-modes.def: Remove 32-, 48- and 64-byte
2466         vector modes.
2467         * config/aarch64/iterators.md (VRL2, VRL3, VRL4): Delete.
2468         * config/aarch64/aarch64.md (UNSPEC_LD2_DREG, UNSPEC_LD3_DREG)
2469         (UNSPEC_LD4_DREG): New unspecs.
2470         * config/aarch64/aarch64-simd.md (aarch64_ld2<mode>_dreg_le)
2471         (aarch64_ld2<mode>_dreg_be): Replace with...
2472         (aarch64_ld2<mode>_dreg): ...this pattern and use the new DREG
2473         unspec.
2474         (aarch64_ld3<mode>_dreg_le)
2475         (aarch64_ld3<mode>_dreg_be): Replace with...
2476         (aarch64_ld3<mode>_dreg): ...this pattern and use the new DREG
2477         unspec.
2478         (aarch64_ld4<mode>_dreg_le)
2479         (aarch64_ld4<mode>_dreg_be): Replace with...
2480         (aarch64_ld4<mode>_dreg): ...this pattern and use the new DREG
2481         unspec.
2482
2483 2017-08-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2484
2485         PR tree-optimization/81987
2486         * gimple-ssa-strength-reduction.c (insert_initializers): Don't
2487         insert an initializer in a location not dominated by the stride
2488         definition.
2489
2490 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2491
2492         * tree-eh.c (lower_try_finally_switch): Set the location of the finally
2493         on the entire header of the finally block in the fallthru case.
2494
2495 2017-08-30  Eric Botcazou  <ebotcazou@adacore.com>
2496
2497         * varasm.c (decode_addr_const): Deal with INDIRECT_REF <INTEGER_CST>.
2498
2499 2017-08-30  Pat Haugen  <pthaugen@us.ibm.com>
2500
2501         * config/rs6000/rs6000.c (rs6000_emit_prologue_move_from_cr): Rename from
2502         rs6000_emit_move_from_cr and call renamed function.
2503         (rs6000_emit_prologue): Call renamed functions.
2504         * config/rs6000/rs6000.md (prologue_movesi_from_cr): Rename from
2505         movesi_from_cr, remove volatile CRs.
2506
2507 2017-08-30  Jon Beniston  <jon@beniston.com>
2508             Richard Biener  <rguenther@suse.de>
2509
2510         * tree-vect-patterns.c (vect_pattern_recog_1): Use VECTOR_TYPE_P instead
2511         of VECTOR_MODE_P check.
2512         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Allow single
2513         element vector types.
2514
2515 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2516
2517         * df.h (df_read_modify_subreg_p): Remove in favor of...
2518         * rtl.h (read_modify_subreg_p): ...this new function.  Take a
2519         const_rtx instead of an rtx.
2520         * cprop.c (local_cprop_find_used_regs): Update accordingly.
2521         * df-problems.c (df_word_lr_mark_ref): Likewise.
2522         * ira-lives.c (mark_pseudo_reg_live): Likewise.
2523         (mark_pseudo_reg_dead): Likewise.
2524         (mark_ref_dead): Likewise.
2525         * reginfo.c (init_subregs_of_mode): Likewise.
2526         * sched-deps.c (sched_analyze_1): Likewise.
2527         * df-scan.c (df_def_record_1): Likewise.
2528         (df_uses_record): Likewise.
2529         (df_read_modify_subreg_p): Remove in favor of...
2530         * rtlanal.c (read_modify_subreg_p): ...this new function.  Take a
2531         const_rtx instead of an rtx.
2532
2533 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2534             Alan Hayward  <alan.hayward@arm.com>
2535             David Sherwood  <david.sherwood@arm.com>
2536
2537         * rtl.h (partial_subreg_p): New function.
2538         * caller-save.c (save_call_clobbered_regs): Use it.
2539         * calls.c (expand_call): Likewise.
2540         * combine.c (combinable_i3pat): Likewise.
2541         (simplify_set): Likewise.
2542         (make_extraction): Likewise.
2543         (make_compound_operation_int): Likewise.
2544         (gen_lowpart_or_truncate): Likewise.
2545         (force_to_mode): Likewise.
2546         (make_field_assignment): Likewise.
2547         (reg_truncated_to_mode): Likewise.
2548         (record_truncated_value): Likewise.
2549         (move_deaths): Likewise.
2550         * cse.c (record_jump_cond): Likewise.
2551         (cse_insn): Likewise.
2552         * cselib.c (cselib_lookup_1): Likewise.
2553         * expmed.c (extract_bit_field_using_extv): Likewise.
2554         * function.c (assign_parm_setup_reg): Likewise.
2555         * ifcvt.c (noce_convert_multiple_sets): Likewise.
2556         * ira-build.c (create_insn_allocnos): Likewise.
2557         * lra-coalesce.c (merge_pseudos): Likewise.
2558         * lra-constraints.c (match_reload): Likewise.
2559         (simplify_operand_subreg): Likewise.
2560         (curr_insn_transform): Likewise.
2561         * lra-lives.c (process_bb_lives): Likewise.
2562         * lra.c (new_insn_reg): Likewise.
2563         (lra_substitute_pseudo): Likewise.
2564         * regcprop.c (mode_change_ok): Likewise.
2565         (maybe_mode_change): Likewise.
2566         (copyprop_hardreg_forward_1): Likewise.
2567         * reload.c (push_reload): Likewise.
2568         (find_reloads): Likewise.
2569         (find_reloads_subreg_address): Likewise.
2570         * reload1.c (alter_reg): Likewise.
2571         (eliminate_regs_1): Likewise.
2572         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
2573
2574 2017-08-30  David Edelsohn  <dje.gcc@gmail.com>
2575
2576         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Revert
2577         back to if statements, including unpack.
2578
2579 2017-08-30  Martin Liska  <mliska@suse.cz>
2580
2581         PR inline-asm/82001
2582         * ipa-icf-gimple.c (func_checker::compare_tree_list_operand):
2583         Rename to ...
2584         (func_checker::compare_asm_inputs_outputs): ... this function.
2585         (func_checker::compare_gimple_asm): Use the function to compare
2586         also ASM constrains.
2587         * ipa-icf-gimple.h: Rename the function.
2588
2589 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2590             Alan Hayward  <alan.hayward@arm.com>
2591             David Sherwood  <david.sherwood@arm.com>
2592
2593         * coretypes.h (complex_mode): New type.
2594         * gdbhooks.py (build_pretty_printer): Handle it.
2595         * machmode.h (complex_mode): New class.
2596         (complex_mode::includes_p): New function.
2597         (is_complex_int_mode): Likewise.
2598         (is_complex_float_mode): Likewise.
2599         * genmodes.c (get_mode_class): Handle complex mode classes.
2600         * function.c (expand_function_end): Use is_complex_int_mode.
2601
2602 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2603             Alan Hayward  <alan.hayward@arm.com>
2604             David Sherwood  <david.sherwood@arm.com>
2605
2606         * coretypes.h (scalar_mode_pod): New typedef.
2607         * gdbhooks.py (build_pretty_printer): Handle it.
2608         * machmode.h (gt_ggc_mx, gt_pch_nx): New functions.
2609         * fixed-value.h (fixed_value::mode): Change type to scalar_mode_pod.
2610         * fold-const.c (fold_convert_const_int_from_fixed): Use scalar_mode.
2611         * tree-streamer-in.c (unpack_ts_fixed_cst_value_fields): Use
2612         as_a <scalar_mode>.
2613
2614 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2615             Alan Hayward  <alan.hayward@arm.com>
2616             David Sherwood  <david.sherwood@arm.com>
2617
2618         * machmode.h (mode_for_vector): Take a scalar_mode instead
2619         of a machine_mode.
2620         * stor-layout.c (mode_for_vector): Likewise.
2621         * explow.c (promote_mode): Use as_a <scalar_mode>.
2622         * sdbout.c (sdbout_parms): Use is_a <scalar_mode>.
2623
2624 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2625             Alan Hayward  <alan.hayward@arm.com>
2626             David Sherwood  <david.sherwood@arm.com>
2627
2628         * target.def (preferred_simd_mode): Take a scalar_mode
2629         instead of a machine_mode.
2630         * targhooks.h (default_preferred_simd_mode): Likewise.
2631         * targhooks.c (default_preferred_simd_mode): Likewise.
2632         * config/arc/arc.c (arc_preferred_simd_mode): Likewise.
2633         * config/arm/arm.c (arm_preferred_simd_mode): Likewise.
2634         * config/c6x/c6x.c (c6x_preferred_simd_mode): Likewise.
2635         * config/epiphany/epiphany.c (epiphany_preferred_simd_mode): Likewise.
2636         * config/i386/i386.c (ix86_preferred_simd_mode): Likewise.
2637         * config/mips/mips.c (mips_preferred_simd_mode): Likewise.
2638         * config/nvptx/nvptx.c (nvptx_preferred_simd_mode): Likewise.
2639         * config/powerpcspe/powerpcspe.c (rs6000_preferred_simd_mode):
2640         Likewise.
2641         * config/rs6000/rs6000.c (rs6000_preferred_simd_mode): Likewise.
2642         * config/s390/s390.c (s390_preferred_simd_mode): Likewise.
2643         * config/sparc/sparc.c (sparc_preferred_simd_mode): Likewise.
2644         * config/aarch64/aarch64.c (aarch64_preferred_simd_mode): Likewise.
2645         (aarch64_simd_scalar_immediate_valid_for_move): Update accordingly.
2646         * doc/tm.texi: Regenerate.
2647         * optabs-query.c (can_vec_mask_load_store_p): Return false for
2648         non-scalar modes.
2649
2650 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2651             Alan Hayward  <alan.hayward@arm.com>
2652             David Sherwood  <david.sherwood@arm.com>
2653
2654         * target.def (scalar_mode_supported_p): Take a scalar_mode
2655         instead of a machine_mode.
2656         * targhooks.h (default_scalar_mode_supported_p): Likewise.
2657         * targhooks.c (default_scalar_mode_supported_p): Likewise.
2658         * config/aarch64/aarch64.c (aarch64_scalar_mode_supported_p): Likewise.
2659         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
2660         * config/arm/arm.c (arm_scalar_mode_supported_p): Likewise.
2661         * config/avr/avr.c (avr_scalar_mode_supported_p): Likewise.
2662         * config/c6x/c6x.c (c6x_scalar_mode_supported_p): Likewise.
2663         * config/i386/i386.c (ix86_scalar_mode_supported_p): Likewise.
2664         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): Likewise.
2665         * config/mips/mips.c (mips_scalar_mode_supported_p): Likewise.
2666         * config/msp430/msp430.c (msp430_scalar_mode_supported_p): Likewise.
2667         * config/pa/pa.c (pa_scalar_mode_supported_p): Likewise.
2668         * config/pdp11/pdp11.c (pdp11_scalar_mode_supported_p): Likewise.
2669         * config/powerpcspe/powerpcspe.c (rs6000_scalar_mode_supported_p):
2670         Likewise.
2671         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Likewise.
2672         * config/s390/s390.c (s390_scalar_mode_supported_p): Likewise.
2673         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
2674         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
2675         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p):
2676         Likewise.
2677         * doc/tm.texi: Regenerate.
2678
2679 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2680             Alan Hayward  <alan.hayward@arm.com>
2681             David Sherwood  <david.sherwood@arm.com>
2682
2683         * coretypes.h (opt_scalar_mode): New typedef.
2684         * gdbhooks.py (build_pretty_printers): Handle it.
2685         * machmode.h (mode_iterator::get_2xwider): Add overload for
2686         opt_mode<T>.
2687         * emit-rtl.c (init_emit_once): Use opt_scalar_mode when iterating
2688         over scalar modes.
2689         * expr.c (convert_mode_scalar): Likewise.
2690         * omp-low.c (omp_clause_aligned_alignment): Likewise.
2691         * optabs.c (expand_float): Likewise.
2692         (expand_fix): Likewise.
2693         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2694
2695 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2696             Alan Hayward  <alan.hayward@arm.com>
2697             David Sherwood  <david.sherwood@arm.com>
2698
2699         * optabs.c (expand_float): Explicitly check for scalars before
2700         using a branching expansion.
2701         (expand_fix): Likewise.
2702
2703 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2704             Alan Hayward  <alan.hayward@arm.com>
2705             David Sherwood  <david.sherwood@arm.com>
2706
2707         * expr.c (convert_mode): Split scalar handling out into...
2708         (convert_mode_scalar): ...this new function.  Treat the modes
2709         as scalar_modes.
2710
2711 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2712             Alan Hayward  <alan.hayward@arm.com>
2713             David Sherwood  <david.sherwood@arm.com>
2714
2715         * omp-expand.c (expand_omp_atomic): Use is_int_mode, is_float_mode
2716         and scalar_mode.
2717         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Likewise.
2718
2719 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2720             Alan Hayward  <alan.hayward@arm.com>
2721             David Sherwood  <david.sherwood@arm.com>
2722
2723         * fixed-value.h (fixed_from_double_int): Take a scalar_mode
2724         rather than a machine_mode.
2725         (fixed_from_string): Likewise.
2726         (fixed_convert): Likewise.
2727         (fixed_convert_from_int): Likewise.
2728         (fixed_convert_from_real): Likewise.
2729         (real_convert_from_fixed): Likewise.
2730         * fixed-value.c (fixed_from_double_int): Likewise.
2731         (fixed_from_string): Likewise.
2732         (fixed_convert): Likewise.
2733         (fixed_convert_from_int): Likewise.
2734         (fixed_convert_from_real): Likewise.
2735         (real_convert_from_fixed): Likewise.
2736         * config/avr/avr.c (avr_out_round): Use as_a <scalar_mode>.
2737
2738 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2739             Alan Hayward  <alan.hayward@arm.com>
2740             David Sherwood  <david.sherwood@arm.com>
2741
2742         * emit-rtl.c (immed_double_const): Use is_a <scalar_mode> instead
2743         of separate mode class checks.  Do not allow vector modes here.
2744         (immed_wide_int_const): Use as_a <scalar_mode>.
2745         * explow.c (trunc_int_for_mode): Likewise.
2746         * rtl.h (wi::int_traits<rtx_mode_t>::get_precision): Likewise.
2747         (wi::shwi): Likewise.
2748         (wi::min_value): Likewise.
2749         (wi::max_value): Likewise.
2750         * dwarf2out.c (loc_descriptor): Likewise.
2751         * simplify-rtx.c (simplify_immed_subreg): Fix rtx_mode_t argument
2752         for CONST_WIDE_INT.
2753
2754 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2755             Alan Hayward  <alan.hayward@arm.com>
2756             David Sherwood  <david.sherwood@arm.com>
2757
2758         * tree.h (SCALAR_TYPE_MODE): New macro.
2759         * expr.c (expand_expr_addr_expr_1): Use it.
2760         (expand_expr_real_2): Likewise.
2761         * fold-const.c (fold_convert_const_fixed_from_fixed): Likeise.
2762         (fold_convert_const_fixed_from_int): Likewise.
2763         (fold_convert_const_fixed_from_real): Likewise.
2764         (native_encode_fixed): Likewise
2765         (native_encode_complex): Likewise
2766         (native_encode_vector): Likewise.
2767         (native_interpret_fixed): Likewise.
2768         (native_interpret_real): Likewise.
2769         (native_interpret_complex): Likewise.
2770         (native_interpret_vector): Likewise.
2771         * omp-simd-clone.c (simd_clone_adjust_return_type): Likewise.
2772         (simd_clone_adjust_argument_types): Likewise.
2773         (simd_clone_init_simd_arrays): Likewise.
2774         (simd_clone_adjust): Likewise.
2775         * stor-layout.c (layout_type): Likewise.
2776         * tree.c (build_minus_one_cst): Likewise.
2777         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
2778         * tree-inline.c (estimate_move_cost): Likewise.
2779         * tree-ssa-math-opts.c (convert_plusminus_to_widen): Likewise.
2780         * tree-vect-loop.c (vect_create_epilog_for_reduction): Likewise.
2781         (vectorizable_reduction): Likewise.
2782         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Likewise.
2783         (vect_recog_mixed_size_cond_pattern): Likewise.
2784         (check_bool_pattern): Likewise.
2785         (adjust_bool_pattern): Likewise.
2786         (search_type_for_mask_1): Likewise.
2787         * tree-vect-slp.c (vect_schedule_slp_instance): Likewise.
2788         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
2789         (vectorizable_load): Likewise.
2790         (vectorizable_store): Likewise.
2791         * ubsan.c (ubsan_encode_value): Likewise.
2792         * varasm.c (output_constant): Likewise.
2793
2794 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2795             Alan Hayward  <alan.hayward@arm.com>
2796             David Sherwood  <david.sherwood@arm.com>
2797
2798         * coretypes.h (scalar_mode): New class.
2799         * machmode.h (scalar_mode): Likewise.
2800         (scalar_mode::includes_p): New function.
2801         (mode_to_inner): Return a scalar_mode rather than a machine_mode.
2802         * gdbhooks.py (build_pretty_printers): Handle scalar_mode.
2803         * genmodes.c (get_mode_class): Handle remaining scalar modes.
2804         * cfgexpand.c (expand_debug_expr): Use scalar_mode.
2805         * expmed.c (store_bit_field_1): Likewise.
2806         (extract_bit_field_1): Likewise.
2807         * expr.c (write_complex_part): Likewise.
2808         (read_complex_part): Likewise.
2809         (emit_move_complex_push): Likewise.
2810         (expand_expr_real_2): Likewise.
2811         * function.c (assign_parm_setup_reg): Likewise.
2812         (assign_parms_unsplit_complex): Likewise.
2813         * optabs.c (expand_binop): Likewise.
2814         * rtlanal.c (subreg_get_info): Likewise.
2815         * simplify-rtx.c (simplify_immed_subreg): Likewise.
2816         * varasm.c (output_constant_pool_2): Likewise.
2817
2818 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2819             Alan Hayward  <alan.hayward@arm.com>
2820             David Sherwood  <david.sherwood@arm.com>
2821
2822         * expmed.c (extract_high_half): Use scalar_int_mode and remove
2823         assertion.
2824         (expmed_mult_highpart_optab): Likewise.
2825         (expmed_mult_highpart): Likewise.
2826
2827 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2828             Alan Hayward  <alan.hayward@arm.com>
2829             David Sherwood  <david.sherwood@arm.com>
2830
2831         * builtins.h (builtin_strncpy_read_str): Take a scalar_int_mode
2832         instead of a machine_mode.
2833         (builtin_memset_read_str): Likewise.
2834         * builtins.c (c_readstr): Likewise.
2835         (builtin_memcpy_read_str): Likewise.
2836         (builtin_strncpy_read_str): Likewise.
2837         (builtin_memset_read_str): Likewise.
2838         (builtin_memset_gen_str): Likewise.
2839         (expand_builtin_signbit): Use scalar_int_mode for local variables.
2840         * cfgexpand.c (convert_debug_memory_address): Take a scalar_int_mode
2841         instead of a machine_mode.
2842         * combine.c (simplify_if_then_else): Use scalar_int_mode for local
2843         variables.
2844         (make_extraction): Likewise.
2845         (try_widen_shift_mode): Take and return scalar_int_modes instead
2846         of machine_modes.
2847         * config/aarch64/aarch64.c (aarch64_libgcc_cmp_return_mode): Return
2848         a scalar_int_mode instead of a machine_mode.
2849         * config/avr/avr.c (avr_addr_space_address_mode): Likewise.
2850         (avr_addr_space_pointer_mode): Likewise.
2851         * config/cr16/cr16.c (cr16_unwind_word_mode): Likewise.
2852         * config/msp430/msp430.c (msp430_addr_space_pointer_mode): Likewise.
2853         (msp430_unwind_word_mode): Likewise.
2854         * config/spu/spu.c (spu_unwind_word_mode): Likewise.
2855         (spu_addr_space_pointer_mode): Likewise.
2856         (spu_addr_space_address_mode): Likewise.
2857         (spu_libgcc_cmp_return_mode): Likewise.
2858         (spu_libgcc_shift_count_mode): Likewise.
2859         * config/rl78/rl78.c (rl78_addr_space_address_mode): Likewise.
2860         (rl78_addr_space_pointer_mode): Likewise.
2861         (fl78_unwind_word_mode): Likewise.
2862         (rl78_valid_pointer_mode): Take a scalar_int_mode instead of a
2863         machine_mode.
2864         * config/alpha/alpha.c (vms_valid_pointer_mode): Likewise.
2865         * config/ia64/ia64.c (ia64_vms_valid_pointer_mode): Likewise.
2866         * config/mips/mips.c (mips_mode_rep_extended): Likewise.
2867         (mips_valid_pointer_mode): Likewise.
2868         * config/tilegx/tilegx.c (tilegx_mode_rep_extended): Likewise.
2869         * config/ft32/ft32.c (ft32_valid_pointer_mode): Likewise.
2870         (ft32_addr_space_pointer_mode): Return a scalar_int_mode instead
2871         of a machine_mode.
2872         (ft32_addr_space_address_mode): Likewise.
2873         * config/m32c/m32c.c (m32c_valid_pointer_mode): Take a
2874         scalar_int_mode instead of a machine_mode.
2875         (m32c_addr_space_pointer_mode): Return a scalar_int_mode instead
2876         of a machine_mode.
2877         (m32c_addr_space_address_mode): Likewise.
2878         * config/powerpcspe/powerpcspe.c (rs6000_abi_word_mode): Likewise.
2879         (rs6000_eh_return_filter_mode): Likewise.
2880         * config/rs6000/rs6000.c (rs6000_abi_word_mode): Likewise.
2881         (rs6000_eh_return_filter_mode): Likewise.
2882         * config/s390/s390.c (s390_libgcc_cmp_return_mode): Likewise.
2883         (s390_libgcc_shift_count_mode): Likewise.
2884         (s390_unwind_word_mode): Likewise.
2885         (s390_valid_pointer_mode): Take a scalar_int_mode rather than a
2886         machine_mode.
2887         * target.def (mode_rep_extended): Likewise.
2888         (valid_pointer_mode): Likewise.
2889         (addr_space.valid_pointer_mode): Likewise.
2890         (eh_return_filter_mode): Return a scalar_int_mode rather than
2891         a machine_mode.
2892         (libgcc_cmp_return_mode): Likewise.
2893         (libgcc_shift_count_mode): Likewise.
2894         (unwind_word_mode): Likewise.
2895         (addr_space.pointer_mode): Likewise.
2896         (addr_space.address_mode): Likewise.
2897         * doc/tm.texi: Regenerate.
2898         * dojump.c (prefer_and_bit_test): Take a scalar_int_mode rather than
2899         a machine_mode.
2900         (do_jump): Use scalar_int_mode for local variables.
2901         * dwarf2cfi.c (init_return_column_size): Take a scalar_int_mode
2902         rather than a machine_mode.
2903         * dwarf2out.c (convert_descriptor_to_mode): Likewise.
2904         (scompare_loc_descriptor_wide): Likewise.
2905         (scompare_loc_descriptor_narrow): Likewise.
2906         * emit-rtl.c (adjust_address_1): Use scalar_int_mode for local
2907         variables.
2908         * except.c (sjlj_emit_dispatch_table): Likewise.
2909         (expand_builtin_eh_copy_values): Likewise.
2910         * explow.c (convert_memory_address_addr_space_1): Likewise.
2911         Take a scalar_int_mode rather than a machine_mode.
2912         (convert_memory_address_addr_space): Take a scalar_int_mode rather
2913         than a machine_mode.
2914         (memory_address_addr_space): Use scalar_int_mode for local variables.
2915         * expmed.h (expand_mult_highpart_adjust): Take a scalar_int_mode
2916         rather than a machine_mode.
2917         * expmed.c (mask_rtx): Likewise.
2918         (init_expmed_one_conv): Likewise.
2919         (expand_mult_highpart_adjust): Likewise.
2920         (extract_high_half): Likewise.
2921         (expmed_mult_highpart_optab): Likewise.
2922         (expmed_mult_highpart): Likewise.
2923         (expand_smod_pow2): Likewise.
2924         (expand_sdiv_pow2): Likewise.
2925         (emit_store_flag_int): Likewise.
2926         (adjust_bit_field_mem_for_reg): Use scalar_int_mode for local
2927         variables.
2928         (extract_low_bits): Likewise.
2929         * expr.h (by_pieces_constfn): Take a scalar_int_mode rather than
2930         a machine_mode.
2931         * expr.c (pieces_addr::adjust):  Likewise.
2932         (can_store_by_pieces): Likewise.
2933         (store_by_pieces): Likewise.
2934         (clear_by_pieces_1): Likewise.
2935         (expand_expr_addr_expr_1): Likewise.
2936         (expand_expr_addr_expr): Use scalar_int_mode for local variables.
2937         (expand_expr_real_1): Likewise.
2938         (try_casesi): Likewise.
2939         * final.c (shorten_branches): Likewise.
2940         * fold-const.c (fold_convert_const_int_from_fixed): Change the
2941         type of "mode" to machine_mode.
2942         * internal-fn.c (expand_arith_overflow_result_store): Take a
2943         scalar_int_mode rather than a machine_mode.
2944         (expand_mul_overflow): Use scalar_int_mode for local variables.
2945         * loop-doloop.c (doloop_modify): Likewise.
2946         (doloop_optimize): Likewise.
2947         * optabs.c (expand_subword_shift): Take a scalar_int_mode rather
2948         than a machine_mode.
2949         (expand_doubleword_shift_condmove): Likewise.
2950         (expand_doubleword_shift): Likewise.
2951         (expand_doubleword_clz): Likewise.
2952         (expand_doubleword_popcount): Likewise.
2953         (expand_doubleword_parity): Likewise.
2954         (expand_absneg_bit): Use scalar_int_mode for local variables.
2955         (prepare_float_lib_cmp): Likewise.
2956         * rtl.h (convert_memory_address_addr_space_1): Take a scalar_int_mode
2957         rather than a machine_mode.
2958         (convert_memory_address_addr_space): Likewise.
2959         (get_mode_bounds): Likewise.
2960         (get_address_mode): Return a scalar_int_mode rather than a
2961         machine_mode.
2962         * rtlanal.c (get_address_mode): Likewise.
2963         * stor-layout.c (get_mode_bounds): Take a scalar_int_mode rather
2964         than a machine_mode.
2965         * targhooks.c (default_mode_rep_extended): Likewise.
2966         (default_valid_pointer_mode): Likewise.
2967         (default_addr_space_valid_pointer_mode): Likewise.
2968         (default_eh_return_filter_mode): Return a scalar_int_mode rather
2969         than a machine_mode.
2970         (default_libgcc_cmp_return_mode): Likewise.
2971         (default_libgcc_shift_count_mode): Likewise.
2972         (default_unwind_word_mode): Likewise.
2973         (default_addr_space_pointer_mode): Likewise.
2974         (default_addr_space_address_mode): Likewise.
2975         * targhooks.h (default_eh_return_filter_mode): Likewise.
2976         (default_libgcc_cmp_return_mode): Likewise.
2977         (default_libgcc_shift_count_mode): Likewise.
2978         (default_unwind_word_mode): Likewise.
2979         (default_addr_space_pointer_mode): Likewise.
2980         (default_addr_space_address_mode): Likewise.
2981         (default_mode_rep_extended): Take a scalar_int_mode rather than
2982         a machine_mode.
2983         (default_valid_pointer_mode): Likewise.
2984         (default_addr_space_valid_pointer_mode): Likewise.
2985         * tree-ssa-address.c (addr_for_mem_ref): Use scalar_int_mode for
2986         local variables.
2987         * tree-ssa-loop-ivopts.c (get_shiftadd_cost): Take a scalar_int_mode
2988         rather than a machine_mode.
2989         * tree-switch-conversion.c (array_value_type): Use scalar_int_mode
2990         for local variables.
2991         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
2992         * var-tracking.c (use_narrower_mode): Take a scalar_int_mode rather
2993         than a machine_mode.
2994
2995 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
2996             Alan Hayward  <alan.hayward@arm.com>
2997             David Sherwood  <david.sherwood@arm.com>
2998
2999         * dojump.c (do_jump_by_parts_greater_rtx): Change the type of
3000         the mode argument to scalar_int_mode.
3001         (do_jump_by_parts_zero_rtx): Likewise.
3002         (do_jump_by_parts_equality_rtx): Likewise.
3003         (do_jump_by_parts_greater): Take a mode argument.
3004         (do_jump_by_parts_equality): Likewise.
3005         (do_jump_1): Update calls accordingly.
3006
3007 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3008             Alan Hayward  <alan.hayward@arm.com>
3009             David Sherwood  <david.sherwood@arm.com>
3010
3011         * is-a.h (safe_dyn_cast): New function.
3012         * rtl.h (rtx_jump_table_data::get_data_mode): New function.
3013         (jump_table_for_label): Likewise.
3014         * final.c (final_addr_vec_align): Take an rtx_jump_table_data *
3015         instead of an rtx_insn *.
3016         (shorten_branches): Use dyn_cast instead of LABEL_P and
3017         JUMP_TABLE_DATA_P.  Use jump_table_for_label and
3018         rtx_jump_table_data::get_data_mode.
3019         (final_scan_insn): Likewise.
3020
3021 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3022             Alan Hayward  <alan.hayward@arm.com>
3023             David Sherwood  <david.sherwood@arm.com>
3024
3025         * combine.c (try_combine): Use is_a <scalar_int_mode> when
3026         trying to combine a full-register integer set with a subreg
3027         integer set.
3028
3029 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3030             Alan Hayward  <alan.hayward@arm.com>
3031             David Sherwood  <david.sherwood@arm.com>
3032
3033         * expr.c (expand_expr_addr_expr): Add a new_tmode local variable
3034         that is always either address_mode or pointer_mode.
3035
3036 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3037             Alan Hayward  <alan.hayward@arm.com>
3038             David Sherwood  <david.sherwood@arm.com>
3039
3040         * expr.c (expand_expr_real_2): Use word_mode instead of innermode
3041         when the two are known to be equal.
3042
3043 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3044             Alan Hayward  <alan.hayward@arm.com>
3045             David Sherwood  <david.sherwood@arm.com>
3046
3047         * simplify-rtx.c (simplify_const_unary_operation): Use
3048         is_a <scalar_int_mode> instead of checking for a nonzero
3049         precision.  Forcibly convert op_mode to a scalar_int_mode
3050         in that case.  More clearly differentiate the operand and
3051         result modes and use the former when deciding what the value
3052         of a count-bits operation should be.  Use is_int_mode instead
3053         of checking for a MODE_INT.  Remove redundant check for whether
3054         this mode has a zero precision.
3055
3056 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3057             Alan Hayward  <alan.hayward@arm.com>
3058             David Sherwood  <david.sherwood@arm.com>
3059
3060         * optabs.c (widen_leading): Change the type of the mode argument
3061         to scalar_int_mode.  Use opt_scalar_int_mode for the mode iterator.
3062         (widen_bswap): Likewise.
3063         (expand_parity): Likewise.
3064         (expand_ctz): Change the type of the mode argument to scalar_int_mode.
3065         (expand_ffs): Likewise.
3066         (epand_unop): Check for scalar integer modes before calling the
3067         above routines.
3068
3069 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3070             Alan Hayward  <alan.hayward@arm.com>
3071             David Sherwood  <david.sherwood@arm.com>
3072
3073         * expr.c (const_scalar_mask_from_tree): Add a mode argument.
3074         Expand commentary.
3075         (expand_expr_real_1): Update call accordingly.
3076
3077 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3078             Alan Hayward  <alan.hayward@arm.com>
3079             David Sherwood  <david.sherwood@arm.com>
3080
3081         * expmed.c (store_bit_field_using_insv): Add op0_mode and
3082         value_mode arguments.  Use scalar_int_mode internally.
3083         (store_bit_field_1): Rename the new integer mode from imode
3084         to op0_mode and use it instead of GET_MODE (op0).  Update calls
3085         to store_split_bit_field, store_bit_field_using_insv and
3086         store_fixed_bit_field.
3087         (store_fixed_bit_field): Add op0_mode and value_mode arguments.
3088         Use scalar_int_mode internally.  Use a bit count rather than a mode
3089         when calculating the largest bit size for get_best_mode.
3090         Update calls to store_split_bit_field and store_fixed_bit_field_1.
3091         (store_fixed_bit_field_1): Add mode and value_mode arguments.
3092         Remove assertion that OP0 has a scalar integer mode.
3093         (store_split_bit_field): Add op0_mode and value_mode arguments.
3094         Update calls to extract_fixed_bit_field.
3095         (extract_bit_field_using_extv): Add an op0_mode argument.
3096         Use scalar_int_mode internally.
3097         (extract_bit_field_1): Rename the new integer mode from imode to
3098         op0_mode and use it instead of GET_MODE (op0).  Update calls to
3099         extract_split_bit_field, extract_bit_field_using_extv and
3100         extract_fixed_bit_field.
3101         (extract_fixed_bit_field): Add an op0_mode argument.  Update calls
3102         to extract_split_bit_field and extract_fixed_bit_field_1.
3103         (extract_fixed_bit_field_1): Add a mode argument.  Remove assertion
3104         that OP0 has a scalar integer mode.  Use as_a <scalar_int_mode>
3105         on the target mode.
3106         (extract_split_bit_field): Add an op0_mode argument.  Update call
3107         to extract_fixed_bit_field.
3108
3109 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3110             Alan Hayward  <alan.hayward@arm.com>
3111             David Sherwood  <david.sherwood@arm.com>
3112
3113         * cse.c (cse_insn): Use opt_scalar_int_mode for the mode iterator.
3114         * explow.c (hard_function_value): Likewise.
3115         * expmed.c (extract_fixed_bit_field_1): Likewise.  Move the
3116         convert_to_mode call outside the loop.
3117         * expr.c (alignment_for_piecewise_move): Use opt_scalar_int_mode
3118         for the mode iterator.  Require the mode specified by max_pieces
3119         to exist.
3120         (emit_block_move_via_movmem): Use opt_scalar_int_mode for the
3121         mode iterator.
3122         (copy_blkmode_to_reg): Likewise.
3123         (set_storage_via_setmem): Likewise.
3124         * optabs.c (prepare_cmp_insn): Likewise.
3125         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3126         * stor-layout.c (finish_bitfield_representative): Likewise.
3127
3128 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3129             Alan Hayward  <alan.hayward@arm.com>
3130             David Sherwood  <david.sherwood@arm.com>
3131
3132         * rtl.h (subreg_unpromoted_mode, subreg_promoted_mode): New functions.
3133         * expr.c (convert_move): Use them.
3134         (convert_modes): Likewise.
3135         (store_expr_with_bounds): Likewise.
3136
3137 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3138             Alan Hayward  <alan.hayward@arm.com>
3139             David Sherwood  <david.sherwood@arm.com>
3140
3141         * rtl.h (rtl_hooks::reg_nonzero_bits): Add a scalar_int_mode
3142         parameter for the mode of "x".  Remove the "known_x", "known_mode"
3143         and "known_ret" arguments.  Change the type of the mode argument
3144         to scalar_int_mode.
3145         (rtl_hooks:reg_num_sign_bit_copies): Likewise.
3146         * combine.c (reg_nonzero_bits_for_combine): Update accordingly.
3147         (reg_num_sign_bit_copies_for_combine): Likewise.
3148         * rtlanal.c (nonzero_bits1): Likewise.
3149         (num_sign_bit_copies1): Likewise.
3150         * rtlhooks-def.h (reg_nonzero_bits_general): Likewise.
3151         (reg_num_sign_bit_copies_general): Likewise.
3152         * rtlhooks.c (reg_num_sign_bit_copies_general): Likewise.
3153         (reg_nonzero_bits_general): Likewise.
3154
3155 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3156             Alan Hayward  <alan.hayward@arm.com>
3157             David Sherwood  <david.sherwood@arm.com>
3158
3159         * rtlanal.c (num_sign_bit_copies): Handle VOIDmode here rather
3160         than in subroutines.  Return 1 for non-integer modes.
3161         (cached_num_sign_bit_copies): Change the type of the mode parameter
3162         to scalar_int_mode.
3163         (num_sign_bit_copies1): Likewise.  Remove early exit for other mode
3164         classes.  Handle CONST_INT_P first and then check whether X also
3165         has a scalar integer mode.  Check the same thing for inner registers
3166         of a SUBREG and for values that are being extended or truncated.
3167
3168 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3169             Alan Hayward  <alan.hayward@arm.com>
3170             David Sherwood  <david.sherwood@arm.com>
3171
3172         * rtlanal.c (nonzero_bits): Handle VOIDmode here rather than
3173         in subroutines.  Return the mode mask for non-integer modes.
3174         (cached_nonzero_bits): Change the type of the mode parameter
3175         to scalar_int_mode.
3176         (nonzero_bits1): Likewise.  Remove early exit for other mode
3177         classes.  Handle CONST_INT_P first and then check whether X
3178         also has a scalar integer mode.
3179
3180 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3181             Alan Hayward  <alan.hayward@arm.com>
3182             David Sherwood  <david.sherwood@arm.com>
3183
3184         * expr.c (widest_int_mode_for_size): Make the comment match the code.
3185         Return a scalar_int_mode and assert that the size is greater than
3186         one byte.
3187         (by_pieces_ninsns): Update accordingly and remove VOIDmode handling.
3188         (op_by_pieces_d::op_by_pieces_d): Likewise.
3189         (op_by_pieces_d::run): Likewise.
3190         (can_store_by_pieces): Likewise.
3191
3192 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3193             Alan Hayward  <alan.hayward@arm.com>
3194             David Sherwood  <david.sherwood@arm.com>
3195
3196         * combine.c (extract_left_shift): Add a mode argument and update
3197         recursive calls.
3198         (make_compound_operation_int): Change the type of the mode parameter
3199         to scalar_int_mode and update the call to extract_left_shift.
3200
3201 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3202             Alan Hayward  <alan.hayward@arm.com>
3203             David Sherwood  <david.sherwood@arm.com>
3204
3205         * combine.c (simplify_and_const_int): Change the type of the mode
3206         parameter to scalar_int_mode.
3207         (simplify_and_const_int_1): Likewise.  Update recursive call.
3208
3209 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3210             Alan Hayward  <alan.hayward@arm.com>
3211             David Sherwood  <david.sherwood@arm.com>
3212
3213         * combine.c (simplify_compare_const): Check that the mode is a
3214         scalar_int_mode (rather than VOIDmode) before testing its
3215         precision.
3216         (simplify_comparison): Move COMPARISON_P handling out of the
3217         loop and restrict the latter part of the loop to scalar_int_modes.
3218         Check is_a <scalar_int_mode> before calling HWI_COMPUTABLE_MODE_P
3219         and when considering SUBREG_REGs.  Use is_int_mode instead of
3220         checking GET_MODE_CLASS against MODE_INT.
3221
3222 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3223             Alan Hayward  <alan.hayward@arm.com>
3224             David Sherwood  <david.sherwood@arm.com>
3225
3226         * combine.c (try_widen_shift_mode): Move check for equal modes to...
3227         (simplify_shift_const_1): ...here.  Use scalar_int_mode for
3228         shift_unit_mode and for modes involved in scalar shifts.
3229
3230 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3231             Alan Hayward  <alan.hayward@arm.com>
3232             David Sherwood  <david.sherwood@arm.com>
3233
3234         * combine.c (force_int_to_mode): New function, split out from...
3235         (force_to_mode): ...here.  Keep xmode up-to-date and use it
3236         instead of GET_MODE (x).
3237
3238 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3239             Alan Hayward  <alan.hayward@arm.com>
3240             David Sherwood  <david.sherwood@arm.com>
3241
3242         * optabs-query.h (extraction_insn::struct_mode): Change type to
3243         opt_scalar_int_mode and update comment.
3244         (extraction_insn::field_mode): Change type to scalar_int_mode.
3245         (extraction_insn::pos_mode): Likewise.
3246         * combine.c (make_extraction): Update accordingly.
3247         * optabs-query.c (get_traditional_extraction_insn): Likewise.
3248         (get_optab_extraction_insn): Likewise.
3249         * recog.c (simplify_while_replacing): Likewise.
3250         * expmed.c (narrow_bit_field_mem): Change the type of the mode
3251         parameter to opt_scalar_int_mode.
3252
3253 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3254             Alan Hayward  <alan.hayward@arm.com>
3255             David Sherwood  <david.sherwood@arm.com>
3256
3257         * machmode.h (bit_field_mode_iterator::next_mode): Take a pointer
3258         to a scalar_int_mode instead of a machine_mode.
3259         (bit_field_mode_iterator::m_mode): Change type to opt_scalar_int_mode.
3260         (get_best_mode): Return a boolean and use a pointer argument to store
3261         the selected mode.  Replace the limit mode parameter with a bit limit.
3262         * expmed.c (adjust_bit_field_mem_for_reg): Use scalar_int_mode
3263         for the values returned by bit_field_mode_iterator::next_mode.
3264         (store_bit_field): Update call to get_best_mode.
3265         (store_fixed_bit_field): Likewise.
3266         (extract_fixed_bit_field): Likewise.
3267         * expr.c (optimize_bitfield_assignment_op): Likewise.
3268         * fold-const.c (optimize_bit_field_compare): Likewise.
3269         (fold_truth_andor_1): Likewise.
3270         * stor-layout.c (bit_field_mode_iterator::next_mode): As above.
3271         Update for new type of m_mode.
3272         (get_best_mode): As above.
3273
3274 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3275             Alan Hayward  <alan.hayward@arm.com>
3276             David Sherwood  <david.sherwood@arm.com>
3277
3278         * expmed.c (strict_volatile_bitfield_p): Change the type of fieldmode
3279         to scalar_int_mode.  Remove check for SCALAR_INT_MODE_P.
3280         (store_bit_field): Check is_a <scalar_int_mode> before calling
3281         strict_volatile_bitfield_p.
3282         (extract_bit_field): Likewise.
3283
3284 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3285             Alan Hayward  <alan.hayward@arm.com>
3286             David Sherwood  <david.sherwood@arm.com>
3287
3288         * target.def (cstore_mode): Return a scalar_int_mode.
3289         * doc/tm.texi: Regenerate.
3290         * config/sparc/sparc.c (sparc_cstore_mode): Return a scalar_int_mode.
3291         * targhooks.h (default_cstore_mode): Likewise.
3292         * targhooks.c (default_cstore_mode): Likewise, using a forced
3293         conversion.
3294         * expmed.c (emit_cstore): Expect the target of the cstore to be
3295         a scalar_int_mode.
3296
3297 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3298             Alan Hayward  <alan.hayward@arm.com>
3299             David Sherwood  <david.sherwood@arm.com>
3300
3301         * cfgloop.h (rtx_iv): Change type of extend_mode and mode to
3302         scalar_int_mode.
3303         (niter_desc): Likewise mode.
3304         (iv_analyze): Add a mode parameter.
3305         (biv_p): Likewise.
3306         (iv_analyze_expr): Pass the mode paraeter before the rtx it describes
3307         and change its type to scalar_int_mode.
3308         * loop-iv.c: Update commentary at head of file.
3309         (iv_constant): Pass the mode paraeter before the rtx it describes
3310         and change its type to scalar_int_mode.  Remove VOIDmode handling.
3311         (iv_subreg): Change the type of the mode parameter to scalar_int_mode.
3312         (iv_extend): Likewise.
3313         (shorten_into_mode): Likewise.
3314         (iv_add): Use scalar_int_mode.
3315         (iv_mult): Likewise.
3316         (iv_shift): Likewise.
3317         (canonicalize_iv_subregs): Likewise.
3318         (get_biv_step_1): Pass the outer_mode parameter before the rtx
3319         it describes and change its mode to scalar_int_mode.   Also change
3320         the type of the returned inner_mode to scalar_int_mode.
3321         (get_biv_step): Likewise, turning outer_mode from a pointer
3322         into a direct parameter.  Update call to get_biv_step_1.
3323         (iv_analyze_biv): Add an outer_mode parameter.  Update calls to
3324         iv_constant and get_biv_step.
3325         (iv_analyze_expr): Pass the mode parameter before the rtx it describes
3326         and change its type to scalar_int_mode.  Don't initialise iv->mode
3327         to VOIDmode and remove later checks for its still being VOIDmode.
3328         Update calls to iv_analyze_op and iv_analyze_expr.  Check
3329         is_a <scalar_int_mode> when changing the mode under consideration.
3330         (iv_analyze_def): Ignore registers that don't have a scalar_int_mode.
3331         Update call to iv_analyze_expr.
3332         (iv_analyze_op): Add a mode parameter.  Reject subregs whose
3333         inner register is not also a scalar_int_mode.  Update call to
3334         iv_analyze_biv.
3335         (iv_analyze): Add a mode parameter.  Update call to iv_analyze_op.
3336         (biv_p): Add a mode parameter.  Update call to iv_analyze_biv.
3337         (iv_number_of_iterations): Use is_a <scalar_int_mode> instead of
3338         separate mode class checks.  Update calls to iv_analyze.  Remove
3339         fix-up of VOIDmodes after iv_analyze_biv.
3340         * loop-unroll.c (analyze_iv_to_split_insn): Reject registers that
3341         don't have a scalar_int_mode.  Update call to biv_p.
3342
3343 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3344             Alan Hayward  <alan.hayward@arm.com>
3345             David Sherwood  <david.sherwood@arm.com>
3346
3347         * cfgexpand.c (convert_debug_memory_address): Use
3348         as_a <scalar_int_mode>.
3349         * combine.c (expand_compound_operation): Likewise.
3350         (make_extraction): Likewise.
3351         (change_zero_ext): Likewise.
3352         (simplify_comparison): Likewise.
3353         * cse.c (cse_insn): Likewise.
3354         * dwarf2out.c (minmax_loc_descriptor): Likewise.
3355         (mem_loc_descriptor): Likewise.
3356         (loc_descriptor): Likewise.
3357         * expmed.c (init_expmed_one_mode): Likewise.
3358         (synth_mult): Likewise.
3359         (emit_store_flag_1): Likewise.
3360         (expand_divmod): Likewise.  Use HWI_COMPUTABLE_MODE_P instead
3361         of a comparison with size.
3362         * expr.c (expand_assignment): Use as_a <scalar_int_mode>.
3363         (reduce_to_bit_field_precision): Likewise.
3364         * function.c (expand_function_end): Likewise.
3365         * internal-fn.c (expand_arith_overflow_result_store): Likewise.
3366         * loop-doloop.c (doloop_modify): Likewise.
3367         * optabs.c (expand_binop): Likewise.
3368         (expand_unop): Likewise.
3369         (expand_copysign_absneg): Likewise.
3370         (prepare_cmp_insn): Likewise.
3371         (maybe_legitimize_operand): Likewise.
3372         * recog.c (const_scalar_int_operand): Likewise.
3373         * rtlanal.c (get_address_mode): Likewise.
3374         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3375         (simplify_cond_clz_ctz): Likewise.
3376         * tree-nested.c (get_nl_goto_field): Likewise.
3377         * tree.c (build_vector_type_for_mode): Likewise.
3378         * var-tracking.c (use_narrower_mode): Likewise.
3379
3380 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3381             Alan Hayward  <alan.hayward@arm.com>
3382             David Sherwood  <david.sherwood@arm.com>
3383
3384         * tree.h (SCALAR_INT_TYPE_MODE): New macro.
3385         * builtins.c (expand_builtin_signbit): Use it.
3386         * cfgexpand.c (expand_debug_expr): Likewise.
3387         * dojump.c (do_jump): Likewise.
3388         (do_compare_and_jump): Likewise.
3389         * dwarf2cfi.c (expand_builtin_init_dwarf_reg_sizes): Likewise.
3390         * expmed.c (make_tree): Likewise.
3391         * expr.c (expand_expr_real_2): Likewise.
3392         (expand_expr_real_1): Likewise.
3393         (try_casesi): Likewise.
3394         * fold-const-call.c (fold_const_call_ss): Likewise.
3395         * fold-const.c (unextend): Likewise.
3396         (extract_muldiv_1): Likewise.
3397         (fold_single_bit_test): Likewise.
3398         (native_encode_int): Likewise.
3399         (native_encode_string): Likewise.
3400         (native_interpret_int): Likewise.
3401         * gimple-fold.c (gimple_fold_builtin_memset): Likewise.
3402         * internal-fn.c (expand_addsub_overflow): Likewise.
3403         (expand_neg_overflow): Likewise.
3404         (expand_mul_overflow): Likewise.
3405         (expand_arith_overflow): Likewise.
3406         * match.pd: Likewise.
3407         * stor-layout.c (layout_type): Likewise.
3408         * tree-cfg.c (verify_gimple_assign_ternary): Likewise.
3409         * tree-ssa-math-opts.c (convert_mult_to_widen): Likewise.
3410         * tree-ssanames.c (get_range_info): Likewise.
3411         * tree-switch-conversion.c (array_value_type) Likewise.
3412         * tree-vect-patterns.c (vect_recog_rotate_pattern): Likewise.
3413         (vect_recog_divmod_pattern): Likewise.
3414         (vect_recog_mixed_size_cond_pattern): Likewise.
3415         * tree-vrp.c (extract_range_basic): Likewise.
3416         (simplify_float_conversion_using_ranges): Likewise.
3417         * tree.c (int_fits_type_p): Likewise.
3418         * ubsan.c (instrument_bool_enum_load): Likewise.
3419         * varasm.c (mergeable_string_section): Likewise.
3420         (narrowing_initializer_constant_valid_p): Likewise.
3421         (output_constant): Likewise.
3422
3423 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3424             Alan Hayward  <alan.hayward@arm.com>
3425             David Sherwood  <david.sherwood@arm.com>
3426
3427         * machmode.h (NARROWEST_INT_MODE): New macro.
3428         * expr.c (alignment_for_piecewise_move): Use it instead of
3429         GET_CLASS_NARROWEST_MODE (MODE_INT).
3430         (push_block): Likewise.
3431         * stor-layout.c (bit_field_mode_iterator::bit_field_mode_iterator):
3432         Likewise.
3433         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3434
3435 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3436             Alan Hayward  <alan.hayward@arm.com>
3437             David Sherwood  <david.sherwood@arm.com>
3438
3439         * postreload.c (move2add_valid_value_p): Change the type of the
3440         mode parameter to scalar_int_mode.
3441         (move2add_use_add2_insn): Add a mode parameter and use it instead
3442         of GET_MODE (reg).
3443         (move2add_use_add3_insn): Likewise.
3444         (reload_cse_move2add): Update accordingly.
3445
3446 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3447             Alan Hayward  <alan.hayward@arm.com>
3448             David Sherwood  <david.sherwood@arm.com>
3449
3450         * expr.c (expand_expr_real_2): Use scalar_int_mode for the
3451         double-word mode.
3452         * lower-subreg.c (resolve_shift_zext): Use is_a <scalar_int_mode>.
3453         * optabs.c (expand_unop): Likewise.
3454
3455 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3456             Alan Hayward  <alan.hayward@arm.com>
3457             David Sherwood  <david.sherwood@arm.com>
3458
3459         * dwarf2out.c (typed_binop): Change mode parameter to scalar_int_mode.
3460         (clz_loc_descriptor): Likewise.  Remove SCALAR_INT_MODE_P check.
3461         (popcount_loc_descriptor): Likewise.
3462         (bswap_loc_descriptor): Likewise.
3463         (rotate_loc_descriptor): Likewise.
3464         (mem_loc_descriptor): Add is_a <scalar_int_mode> checks before
3465         calling the functions above.
3466
3467 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3468             Alan Hayward  <alan.hayward@arm.com>
3469             David Sherwood  <david.sherwood@arm.com>
3470
3471         * combine.c (sign_extend_short_imm): Add is_a <scalar_int_mode>
3472         checks.
3473         (try_combine): Likewise.
3474         (simplify_if_then_else): Likewise.
3475         * cse.c (cse_insn): Likewise.
3476         * dwarf2out.c (mem_loc_descriptor): Likewise.
3477         * emit-rtl.c (gen_lowpart_common): Likewise.
3478         * simplify-rtx.c (simplify_truncation): Likewise.
3479         (simplify_binary_operation_1): Likewise.
3480         (simplify_const_relational_operation): Likewise.
3481         (simplify_ternary_operation): Likewise.
3482         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3483
3484 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3485             Alan Hayward  <alan.hayward@arm.com>
3486             David Sherwood  <david.sherwood@arm.com>
3487
3488         * cse.c (cse_insn): Add is_a <scalar_int_mode> checks.
3489         * reload.c (push_reload): Likewise.
3490         (find_reloads): Likewise.
3491
3492 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3493             Alan Hayward  <alan.hayward@arm.com>
3494             David Sherwood  <david.sherwood@arm.com>
3495
3496         * combine.c (find_split_point): Add is_a <scalar_int_mode> checks.
3497         (make_compound_operation_int): Likewise.
3498         (change_zero_ext): Likewise.
3499         * expr.c (convert_move): Likewise.
3500         (convert_modes): Likewise.
3501         * fwprop.c (forward_propagate_subreg): Likewise.
3502         * loop-iv.c (get_biv_step_1): Likewise.
3503         * optabs.c (widen_operand): Likewise.
3504         * postreload.c (move2add_valid_value_p): Likewise.
3505         * recog.c (simplify_while_replacing): Likewise.
3506         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3507         (simplify_binary_operation_1): Likewise.  Remove redundant
3508         mode equality check.
3509
3510 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3511             Alan Hayward  <alan.hayward@arm.com>
3512             David Sherwood  <david.sherwood@arm.com>
3513
3514         * combine.c (combine_simplify_rtx): Add checks for
3515         is_a <scalar_int_mode>.
3516         (simplify_if_then_else): Likewise.
3517         (make_field_assignment): Likewise.
3518         (simplify_comparison): Likewise.
3519         * ifcvt.c (noce_try_bitop): Likewise.
3520         * loop-invariant.c (canonicalize_address_mult): Likewise.
3521         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3522
3523 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3524             Alan Hayward  <alan.hayward@arm.com>
3525             David Sherwood  <david.sherwood@arm.com>
3526
3527         * gimple-fold.c (gimple_fold_builtin_memory_op): Use
3528         is_a <scalar_int_mode> instead of != BLKmode.
3529
3530 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3531             Alan Hayward  <alan.hayward@arm.com>
3532             David Sherwood  <david.sherwood@arm.com>
3533
3534         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>
3535         instead of != VOIDmode.
3536         * combine.c (if_then_else_cond): Likewise.
3537         (change_zero_ext): Likewise.
3538         * dwarf2out.c (mem_loc_descriptor): Likewise.
3539         (loc_descriptor): Likewise.
3540         * rtlanal.c (canonicalize_condition): Likewise.
3541         * simplify-rtx.c (simplify_relational_operation_1): Likewise.
3542
3543 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3544             Alan Hayward  <alan.hayward@arm.com>
3545             David Sherwood  <david.sherwood@arm.com>
3546
3547         * simplify-rtx.c (simplify_binary_operation_1): Use
3548         is_a <scalar_int_mode> instead of !VECTOR_MODE_P.
3549
3550 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3551             Alan Hayward  <alan.hayward@arm.com>
3552             David Sherwood  <david.sherwood@arm.com>
3553
3554         * wide-int.h (int_traits<unsigned char>) New class.
3555         (int_traits<unsigned short>) Likewise.
3556         * cfgexpand.c (expand_debug_expr): Use is_a <scalar_int_mode>.
3557         Use GET_MODE_UNIT_PRECISION and remove redundant test for
3558         SCALAR_INT_MODE_P.
3559         * combine.c (set_nonzero_bits_and_sign_copies): Use
3560         is_a <scalar_int_mode>.
3561         (find_split_point): Likewise.
3562         (combine_simplify_rtx): Likewise.
3563         (simplify_logical): Likewise.
3564         (expand_compound_operation): Likewise.
3565         (expand_field_assignment): Likewise.
3566         (make_compound_operation): Likewise.
3567         (extended_count): Likewise.
3568         (change_zero_ext): Likewise.
3569         (simplify_comparison): Likewise.
3570         * dwarf2out.c (scompare_loc_descriptor): Likewise.
3571         (ucompare_loc_descriptor): Likewise.
3572         (minmax_loc_descriptor): Likewise.
3573         (mem_loc_descriptor): Likewise.
3574         (loc_descriptor): Likewise.
3575         * expmed.c (init_expmed_one_mode): Likewise.
3576         * lra-constraints.c (lra_constraint_offset): Likewise.
3577         * optabs.c (prepare_libcall_arg): Likewise.
3578         * postreload.c (move2add_note_store): Likewise.
3579         * reload.c (operands_match_p): Likewise.
3580         * rtl.h (load_extend_op): Likewise.
3581         * rtlhooks.c (gen_lowpart_general): Likewise.
3582         * simplify-rtx.c (simplify_truncation): Likewise.
3583         (simplify_unary_operation_1): Likewise.
3584         (simplify_binary_operation_1): Likewise.
3585         (simplify_const_binary_operation): Likewise.
3586         (simplify_const_relational_operation): Likewise.
3587         (simplify_subreg): Likewise.
3588         * stor-layout.c (bitwise_mode_for_mode): Likewise.
3589         * var-tracking.c (adjust_mems): Likewise.
3590         (prepare_call_arguments): Likewise.
3591
3592 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3593             Alan Hayward  <alan.hayward@arm.com>
3594             David Sherwood  <david.sherwood@arm.com>
3595
3596         * machmode.h (is_int_mode): New fuction.
3597         * combine.c (find_split_point): Use it.
3598         (combine_simplify_rtx): Likewise.
3599         (simplify_if_then_else): Likewise.
3600         (simplify_set): Likewise.
3601         (simplify_shift_const_1): Likewise.
3602         (simplify_comparison): Likewise.
3603         * config/aarch64/aarch64.c (aarch64_rtx_costs): Likewise.
3604         * cse.c (notreg_cost): Likewise.
3605         (cse_insn): Likewise.
3606         * cselib.c (cselib_lookup_1): Likewise.
3607         * dojump.c (do_jump_1): Likewise.
3608         (do_compare_rtx_and_jump): Likewise.
3609         * dse.c (get_call_args): Likewise.
3610         * dwarf2out.c (rtl_for_decl_init): Likewise.
3611         (native_encode_initializer): Likewise.
3612         * expmed.c (emit_store_flag_1): Likewise.
3613         (emit_store_flag): Likewise.
3614         * expr.c (convert_modes): Likewise.
3615         (store_field): Likewise.
3616         (expand_expr_real_1): Likewise.
3617         * fold-const.c (fold_read_from_constant_string): Likewise.
3618         * gimple-ssa-sprintf.c (get_format_string): Likewise.
3619         * optabs-libfuncs.c (gen_int_libfunc): Likewise.
3620         * optabs.c (expand_binop): Likewise.
3621         (expand_unop): Likewise.
3622         (expand_abs_nojump): Likewise.
3623         (expand_one_cmpl_abs_nojump): Likewise.
3624         * simplify-rtx.c (mode_signbit_p): Likewise.
3625         (val_signbit_p): Likewise.
3626         (val_signbit_known_set_p): Likewise.
3627         (val_signbit_known_clear_p): Likewise.
3628         (simplify_relational_operation_1): Likewise.
3629         * tree.c (vector_type_mode): Likewise.
3630
3631 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3632             Alan Hayward  <alan.hayward@arm.com>
3633             David Sherwood  <david.sherwood@arm.com>
3634
3635         * machmode.h (smallest_mode_for_size): Fix formatting.
3636         (smallest_int_mode_for_size): New function.
3637         * cfgexpand.c (expand_debug_expr): Use smallest_int_mode_for_size
3638         instead of smallest_mode_for_size.
3639         * combine.c (make_extraction): Likewise.
3640         * config/arc/arc.c (arc_expand_movmem): Likewise.
3641         * config/arm/arm.c (arm_expand_divmod_libfunc): Likewise.
3642         * config/i386/i386.c (ix86_get_mask_mode): Likewise.
3643         * config/s390/s390.c (s390_expand_insv): Likewise.
3644         * config/sparc/sparc.c (assign_int_registers): Likewise.
3645         * config/spu/spu.c (spu_function_value): Likewise.
3646         (spu_function_arg): Likewise.
3647         * coverage.c (get_gcov_type): Likewise.
3648         (get_gcov_unsigned_t): Likewise.
3649         * dse.c (find_shift_sequence): Likewise.
3650         * expmed.c (store_bit_field_1): Likewise.
3651         * expr.c (convert_move): Likewise.
3652         (store_field): Likewise.
3653         * internal-fn.c (expand_arith_overflow): Likewise.
3654         * optabs-query.c (get_best_extraction_insn): Likewise.
3655         * optabs.c (expand_twoval_binop_libfunc): Likewise.
3656         * stor-layout.c (layout_type): Likewise.
3657         (initialize_sizetypes): Likewise.
3658         * targhooks.c (default_get_mask_mode): Likewise.
3659         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Likewise.
3660
3661 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3662             Alan Hayward  <alan.hayward@arm.com>
3663             David Sherwood  <david.sherwood@arm.com>
3664
3665         * machmode.h (opt_mode::else_blk): New function.
3666         (int_mode_for_mode): Declare.
3667         * stor-layout.c (int_mode_for_mode): Return an opt_scalar_int_mode.
3668         * builtins.c (expand_builtin_signbit): Adjust for new int_mode_for_mode
3669         return type.
3670         * cfgexpand.c (expand_debug_expr): Likewise.
3671         * combine.c (gen_lowpart_or_truncate): Likewise.
3672         (gen_lowpart_for_combine): Likewise.
3673         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Likewise.
3674         * config/avr/avr.c (avr_to_int_mode): Likewise.
3675         (avr_out_plus_1): Likewise.
3676         (avr_out_plus): Likewise.
3677         (avr_out_round): Likewise.
3678         * config/i386/i386.c (ix86_split_to_parts): Likewise.
3679         * config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
3680         (s390_expand_vcond): Likewise.
3681         * config/spu/spu.c (spu_split_immediate): Likewise.
3682         (spu_expand_mov): Likewise.
3683         * dse.c (get_stored_val): Likewise.
3684         * expmed.c (store_bit_field_1): Likewise.
3685         (convert_extracted_bit_field): Use int_mode_for_mode instead of
3686         int_mode_for_size.
3687         (extract_bit_field_1): Adjust for new int_mode_for_mode return type.
3688         (extract_low_bits): Likewise.
3689         * expr.c (emit_group_load_1): Likewise.  Separate out the BLKmode
3690         handling rather than repeating the check.
3691         (emit_group_store): Likewise.
3692         (emit_move_via_integer): Adjust for new int_mode_for_mode return type.
3693         * optabs.c (expand_absneg_bit): Likewise.
3694         (expand_copysign_absneg): Likewise.
3695         (expand_copysign_bit): Likewise.
3696         * tree-if-conv.c (ifcvt_can_use_mask_load_store): Likewise.
3697         * tree-vect-slp.c (vect_transform_slp_perm_load): Likewise.
3698         * tree-vect-stmts.c (vect_gen_perm_mask_any): Likewise.
3699         * var-tracking.c (prepare_call_arguments):  Likewise.
3700         * config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Use
3701         int_mode_for_mode instead of mode_for_size.
3702         * config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
3703
3704 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3705             Alan Hayward  <alan.hayward@arm.com>
3706             David Sherwood  <david.sherwood@arm.com>
3707
3708         * machmode.h (int_mode_for_size): New function.
3709         * builtins.c (set_builtin_user_assembler_name): Use int_mode_for_size
3710         instead of mode_for_size.
3711         * calls.c (save_fixed_argument_area): Likewise.  Make use of BLKmode
3712         explicit.
3713         * combine.c (expand_field_assignment): Use int_mode_for_size
3714         instead of mode_for_size.
3715         (make_extraction): Likewise.
3716         (simplify_shift_const_1): Likewise.
3717         (simplify_comparison): Likewise.
3718         * dojump.c (do_jump): Likewise.
3719         * dwarf2out.c (mem_loc_descriptor): Likewise.
3720         * emit-rtl.c (init_derived_machine_modes): Likewise.
3721         * expmed.c (flip_storage_order): Likewise.
3722         (convert_extracted_bit_field): Likewise.
3723         * expr.c (copy_blkmode_from_reg): Likewise.
3724         * graphite-isl-ast-to-gimple.c (max_mode_int_precision): Likewise.
3725         * internal-fn.c (expand_mul_overflow): Likewise.
3726         * lower-subreg.c (simple_move): Likewise.
3727         * optabs-libfuncs.c (init_optabs): Likewise.
3728         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
3729         * tree.c (vector_type_mode): Likewise.
3730         * tree-ssa-strlen.c (handle_builtin_memcmp): Likewise.
3731         * tree-vect-data-refs.c (vect_lanes_optab_supported_p): Likewise.
3732         * tree-vect-generic.c (expand_vector_parallel): Likewise.
3733         * tree-vect-stmts.c (vectorizable_load): Likewise.
3734         (vectorizable_store): Likewise.
3735
3736 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3737             Alan Hayward  <alan.hayward@arm.com>
3738             David Sherwood  <david.sherwood@arm.com>
3739
3740         * coretypes.h (pod_mode): New type.
3741         (scalar_int_mode_pod): New typedef.
3742         * machmode.h (pod_mode): New class.
3743         (int_n_data_t::m): Change type to scalar_int_mode_pod.
3744         * genmodes.c (emit_mode_int_n): Update accordingly.
3745         * lower-subreg.h (target_lower_subreg): Change type to
3746         scalar_int_mode_pod.
3747         * gdbhooks.py (build_pretty_printer): Handle pod_mode and
3748         scalar_int_mode_pod.
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         * config/powerpcspe/powerpcspe.h (rs6000_pmode): Change type from
3755         machine_mode to scalar_int_mode.
3756         * config/powerpcspe/powerpcspe.c (rs6000_pmode): Likewise.
3757         (rs6000_option_override_internal): Remove cast to int.
3758         * config/rs6000/rs6000.h (rs6000_pmode): Change type from
3759         machine_mode to scalar_int_mode.
3760         * config/rs6000/rs6000.c (rs6000_pmode): Likewise.
3761         (rs6000_option_override_internal): Remove cast to int.
3762         * config/s390/s390.h (Pmode): Remove cast to machine_mode.
3763         * config/epiphany/epiphany.h (RTX_OK_FOR_OFFSET_P): Add cast
3764         to machine_mode.
3765         * config/s390/s390.c (s390_expand_builtin): Likewise.
3766         * coretypes.h (scalar_int_mode): New type.
3767         (opt_scalar_int_mode): New typedef.
3768         * machmode.h (scalar_int_mode): New class.
3769         (scalar_int_mode::includes_p): New function.
3770         (byte_mode): Change type to scalar_int_mode.
3771         (word_mode): Likewise.
3772         (ptr_mode): Likewise.
3773         * emit-rtl.c (byte_mode): Likewise.
3774         (word_mode): Likewise.
3775         (ptr_mode): Likewise.
3776         (init_derived_machine_modes): Update accordingly.
3777         * genmodes.c (get_mode_class): Return scalar_int_mode for MODE_INT
3778         and MODE_PARTIAL_INT.
3779         * gdbhooks.py (build_pretty_printer): Handle scalar_int_mode and
3780         opt_scalar_int_mode.
3781
3782 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3783             Alan Hayward  <alan.hayward@arm.com>
3784             David Sherwood  <david.sherwood@arm.com>
3785
3786         * target.def (libgcc_floating_mode_supported_p): Take a
3787         scalar_float_mode.
3788         * doc/tm.texi: Regenerate.
3789         * targhooks.h (default_libgcc_floating_mode_supported_p): Take a
3790         scalar_float_mode.
3791         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
3792         * config/aarch64/aarch64.c (aarch64_libgcc_floating_mode_supported_p):
3793         Likewise.
3794
3795 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3796             Alan Hayward  <alan.hayward@arm.com>
3797             David Sherwood  <david.sherwood@arm.com>
3798
3799         * target.def (default_floatn_mode): Return an opt_scalar_float_mode.
3800         * doc/tm.texi: Regenerate.
3801         * config/arm/arm.c (arm_floatn_mode): Return an opt_scalar_float_mode.
3802         * config/powerpcspe/powerpcspe.c (rs6000_floatn_mode): Likewise.
3803         * config/rs6000/rs6000.c (rs6000_floatn_mode): Likewise.
3804         * targhooks.h (default_floatn_mode): Likewise.
3805         * targhooks.c (default_floatn_mode): Likewise.
3806         * tree.c (build_common_tree_nodes): Update accordingly.
3807
3808 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3809             Alan Hayward  <alan.hayward@arm.com>
3810             David Sherwood  <david.sherwood@arm.com>
3811
3812         * machmode.h (mode_iterator::start): Provide overload for opt_modes.
3813         (mode_iterator::iterate_p): Likewise.
3814         (mode_iterator::get_wider): Likewise.
3815         * expr.c (init_expr_target): Use opt_scalar_float_mode.
3816
3817 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3818             Alan Hayward  <alan.hayward@arm.com>
3819             David Sherwood  <david.sherwood@arm.com>
3820
3821         * coretypes.h (opt_scalar_float_mode): New typedef.
3822         * machmode.h (float_mode_for_size): New function.
3823         * emit-rtl.c (double_mode): Delete.
3824         (init_emit_once): Use float_mode_for_size.
3825         * stor-layout.c (layout_type): Likewise.
3826         * gdbhooks.py (build_pretty_printer): Handle opt_scalar_float_mode.
3827
3828 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3829             Alan Hayward  <alan.hayward@arm.com>
3830             David Sherwood  <david.sherwood@arm.com>
3831
3832         * output.h (assemble_real): Take a scalar_float_mode.
3833         * config/arm/arm.c (arm_assemble_integer): Update accordingly.
3834         * config/arm/arm.md (consttable_4): Likewise.
3835         (consttable_8): Likewise.
3836         (consttable_16): Likewise.
3837         * config/mips/mips.md (consttable_float): Likewise.
3838         * config/s390/s390.c (s390_output_pool_entry): Likewise.
3839         * varasm.c (assemble_real): Take a scalar_float_mode.
3840         (output_constant_pool_2): Update accordingly.
3841         (output_constant): Likewise.
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         * tree.h (SCALAR_FLOAT_TYPE_MODE): New macro.
3848         * builtins.c (expand_builtin_signbit): Use it instead of TYPE_MODE.
3849         * fold-const.c (fold_convert_const_real_from_fixed): Likewise.
3850         (native_encode_real): Likewise.
3851         (native_interpret_real): Likewise.
3852         * hsa-brig.c (emit_immediate_scalar_to_buffer): Likewise.
3853         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3854
3855 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3856             Alan Hayward  <alan.hayward@arm.com>
3857             David Sherwood  <david.sherwood@arm.com>
3858
3859         * optabs-libfuncs.c (gen_trunc_conv_libfunc): Use is_a
3860         <scalar_float_mode>.  Simplify.
3861         (gen_extend_conv_libfunc): Likewise.
3862
3863 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3864             Alan Hayward  <alan.hayward@arm.com>
3865             David Sherwood  <david.sherwood@arm.com>
3866
3867         * coretypes.h (scalar_float_mode): New type.
3868         * machmode.h (mode_traits::from_int): Use machine_mode if
3869         USE_ENUM_MODES is defined.
3870         (is_a): New function.
3871         (as_a): Likewise.
3872         (dyn_cast): Likewise.
3873         (scalar_float_mode): New class.
3874         (scalar_float_mode::includes_p): New function.
3875         (is_float_mode): Likewise.
3876         * gdbhooks.py (MachineModePrinter): New class.
3877         (build_pretty_printer): Use it for scalar_float_mode.
3878         * real.h (FLOAT_MODE_FORMAT): Use as_a <scalar_float_mode>.
3879         (format_helper::format_helper): Turn into a template.
3880         * genmodes.c (get_mode_class): New function.
3881         (emit_insn_modes_h): Give modes the class returned by get_mode_class,
3882         or machine_mode if none.
3883         * config/aarch64/aarch64.c (aarch64_simd_valid_immediate): Use
3884         as_a <scalar_float_mode>.
3885         * dwarf2out.c (mem_loc_descriptor): Likewise.
3886         (insert_float): Likewise.
3887         (add_const_value_attribute): Likewise.
3888         * simplify-rtx.c (simplify_immed_subreg): Likewise.
3889         * optabs.c (expand_absneg_bit): Take a scalar_float_mode.
3890         (expand_unop): Update accordingly.
3891         (expand_abs_nojump): Likewise.
3892         (expand_copysign_absneg): Take a scalar_float_mode.
3893         (expand_copysign_bit): Likewise.
3894         (expand_copysign): Update accordingly.
3895
3896 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3897             Alan Hayward  <alan.hayward@arm.com>
3898             David Sherwood  <david.sherwood@arm.com>
3899
3900         * coretypes.h (opt_mode): New class.
3901         * machmode.h (opt_mode): Likewise.
3902         (opt_mode::else_void): New function.
3903         (opt_mode::require): Likewise.
3904         (opt_mode::exists): Likewise.
3905         (GET_MODE_WIDER_MODE): Turn into a function and return an opt_mode.
3906         (GET_MODE_2XWIDER_MODE): Likewise.
3907         (mode_iterator::get_wider): Update accordingly.
3908         (mode_iterator::get_2xwider): Likewise.
3909         (mode_iterator::get_known_wider): Likewise, turning into a template.
3910         * combine.c (make_extraction): Update use of GET_MODE_WIDER_MODE,
3911         forcing a wider mode to exist.
3912         * config/cr16/cr16.h (LONG_REG_P): Likewise.
3913         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
3914         * config/c6x/c6x.c (c6x_rtx_costs): Update use of
3915         GET_MODE_2XWIDER_MODE, forcing a wider mode to exist.
3916         * lower-subreg.c (init_lower_subreg): Likewise.
3917         * optabs-libfuncs.c (init_sync_libfuncs_1): Likewise, but not
3918         on the final iteration.
3919         * config/i386/i386.c (ix86_expand_set_or_movmem): Check whether
3920         a wider mode exists before asking for a move pattern.
3921         (get_mode_wider_vector): Update use of GET_MODE_WIDER_MODE,
3922         forcing a wider mode to exist.
3923         (expand_vselect_vconcat): Update use of GET_MODE_2XWIDER_MODE,
3924         returning false if no such mode exists.
3925         * config/ia64/ia64.c (expand_vselect_vconcat): Likewise.
3926         * config/mips/mips.c (mips_expand_vselect_vconcat): Likewise.
3927         * expmed.c (init_expmed_one_mode): Update use of GET_MODE_WIDER_MODE.
3928         Avoid checking for a MODE_INT if we already know the mode is not a
3929         SCALAR_INT_MODE_P.
3930         (extract_high_half): Update use of GET_MODE_WIDER_MODE,
3931         forcing a wider mode to exist.
3932         (expmed_mult_highpart_optab): Likewise.
3933         (expmed_mult_highpart): Likewise.
3934         * expr.c (expand_expr_real_2): Update use of GET_MODE_WIDER_MODE,
3935         using else_void.
3936         * lto-streamer-in.c (lto_input_mode_table): Likewise.
3937         * optabs-query.c (find_widening_optab_handler_and_mode): Likewise.
3938         * stor-layout.c (bit_field_mode_iterator::next_mode): Likewise.
3939         * internal-fn.c (expand_mul_overflow): Update use of
3940         GET_MODE_2XWIDER_MODE.
3941         * omp-low.c (omp_clause_aligned_alignment): Likewise.
3942         * tree-ssa-math-opts.c (convert_mult_to_widen): Update use of
3943         GET_MODE_WIDER_MODE.
3944         (convert_plusminus_to_widen): Likewise.
3945         * tree-switch-conversion.c (array_value_type): Likewise.
3946         * var-tracking.c (emit_note_insn_var_location): Likewise.
3947         * tree-vrp.c (simplify_float_conversion_using_ranges): Likewise.
3948         Return false inside rather than outside the loop if no wider mode
3949         exists
3950         * optabs.c (expand_binop): Update use of GET_MODE_WIDER_MODE
3951         and GET_MODE_2XWIDER_MODE
3952         (can_compare_p): Use else_void.
3953         * gdbhooks.py (OptMachineModePrinter): New class.
3954         (build_pretty_printer): Use it for opt_mode.
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         * tree-switch-conversion.c (array_value_type): Only read TYPE_MODE
3961         once.  Use get_narrowest_mode instead of GET_CLASS_NARROWEST_MODE.
3962
3963 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
3964             Alan Hayward  <alan.hayward@arm.com>
3965             David Sherwood  <david.sherwood@arm.com>
3966
3967         * machmode.h (mode_traits): New structure.
3968         (get_narrowest_mode): New function.
3969         (mode_iterator::start): Likewise.
3970         (mode_iterator::iterate_p): Likewise.
3971         (mode_iterator::get_wider): Likewise.
3972         (mode_iterator::get_known_wider): Likewise.
3973         (mode_iterator::get_2xwider): Likewise.
3974         (FOR_EACH_MODE_IN_CLASS): New mode iterator.
3975         (FOR_EACH_MODE): Likewise.
3976         (FOR_EACH_MODE_FROM): Likewise.
3977         (FOR_EACH_MODE_UNTIL): Likewise.
3978         (FOR_EACH_WIDER_MODE): Likewise.
3979         (FOR_EACH_2XWIDER_MODE): Likewise.
3980         * builtins.c (expand_builtin_strlen): Use new mode iterators.
3981         * combine.c (simplify_comparison): Likewise
3982         * config/i386/i386.c (type_natural_mode): Likewise.
3983         * cse.c (cse_insn): Likewise.
3984         * dse.c (find_shift_sequence): Likewise.
3985         * emit-rtl.c (init_derived_machine_modes): Likewise.
3986         (init_emit_once): Likewise.
3987         * explow.c (hard_function_value): Likewise.
3988         * expmed.c (extract_fixed_bit_field_1): Likewise.
3989         (extract_bit_field_1): Likewise.
3990         (expand_divmod): Likewise.
3991         (emit_store_flag_1): Likewise.
3992         * expr.c (init_expr_target): Likewise.
3993         (convert_move): Likewise.
3994         (alignment_for_piecewise_move): Likewise.
3995         (widest_int_mode_for_size): Likewise.
3996         (emit_block_move_via_movmem): Likewise.
3997         (copy_blkmode_to_reg): Likewise.
3998         (set_storage_via_setmem): Likewise.
3999         (compress_float_constant): Likewise.
4000         * omp-low.c (omp_clause_aligned_alignment): Likewise.
4001         * optabs-query.c (get_best_extraction_insn): Likewise.
4002         * optabs.c (expand_binop): Likewise.
4003         (expand_twoval_unop): Likewise.
4004         (expand_twoval_binop): Likewise.
4005         (widen_leading): Likewise.
4006         (widen_bswap): Likewise.
4007         (expand_parity): Likewise.
4008         (expand_unop): Likewise.
4009         (prepare_cmp_insn): Likewise.
4010         (prepare_float_lib_cmp): Likewise.
4011         (expand_float): Likewise.
4012         (expand_fix): Likewise.
4013         (expand_sfix_optab): Likewise.
4014         * postreload.c (move2add_use_add2_insn): Likewise.
4015         * reg-stack.c (reg_to_stack): Likewise.
4016         * reginfo.c (choose_hard_reg_mode): Likewise.
4017         * rtlanal.c (init_num_sign_bit_copies_in_rep): Likewise.
4018         * stor-layout.c (mode_for_size): Likewise.
4019         (smallest_mode_for_size): Likewise.
4020         (mode_for_vector): Likewise.
4021         (finish_bitfield_representative): Likewise.
4022         * tree-ssa-math-opts.c (target_supports_divmod_p): Likewise.
4023         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
4024         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
4025         * var-tracking.c (prepare_call_arguments): Likewise.
4026
4027 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4028             Alan Hayward  <alan.hayward@arm.com>
4029             David Sherwood  <david.sherwood@arm.com>
4030
4031         * genconditions.c (write_header): Add a "#define USE_ENUM_MODES".
4032         * genmodes.c (emit_insn_modes_h): Define FOOmode to E_FOOmode if
4033         USE_ENUM_MODES is defined and to ((void) 0, E_FOOmode) otherwise.
4034         * machmode.h (mode_size): Move earlier in file.
4035         (mode_precision): Likewise.
4036         (mode_inner): Likewise.
4037         (mode_nunits): Likewise.
4038         (mode_unit_size): Likewise.
4039         (unit_unit_precision): Likewise.
4040         (mode_wider): Likewise.
4041         (mode_2xwider): Likewise.
4042         (machine_mode): New class.
4043         (mode_to_bytes): New function.
4044         (mode_to_bits): Likewise.
4045         (mode_to_precision): Likewise.
4046         (mode_to_inner): Likewise.
4047         (mode_to_unit_size): Likewise.
4048         (mode_to_unit_precision): Likewise.
4049         (mode_to_nunits): Likewise.
4050         (GET_MODE_SIZE): Use mode_to_bytes.
4051         (GET_MODE_BITSIZE): Use mode_to_bits.
4052         (GET_MODE_PRECISION): Use mode_to_precision.
4053         (GET_MODE_INNER): Use mode_to_inner.
4054         (GET_MODE_UNIT_SIZE): Use mode_to_unit_size.
4055         (GET_MODE_UNIT_PRECISION): Use mode_to_unit_precision.
4056         (GET_MODE_NUNITS): Use mode_to_nunits.
4057         * system.h (ALWAYS_INLINE): New macro.
4058         * config/powerpcspe/powerpcspe-c.c
4059         (altivec_resolve_overloaded_builtin): Use machine_mode instead of
4060         int for arg1_mode and arg2_mode.
4061
4062 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4063             Alan Hayward  <alan.hayward@arm.com>
4064             David Sherwood  <david.sherwood@arm.com>
4065
4066         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
4067         Prefix mode names with E_ in case statements.
4068         * config/aarch64/aarch64-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4069         * config/aarch64/aarch64.c (aarch64_split_simd_combine): Likewise.
4070         (aarch64_split_simd_move): Likewise.
4071         (aarch64_gen_storewb_pair): Likewise.
4072         (aarch64_gen_loadwb_pair): Likewise.
4073         (aarch64_gen_store_pair): Likewise.
4074         (aarch64_gen_load_pair): Likewise.
4075         (aarch64_get_condition_code_1): Likewise.
4076         (aarch64_constant_pool_reload_icode): Likewise.
4077         (get_rsqrte_type): Likewise.
4078         (get_rsqrts_type): Likewise.
4079         (get_recpe_type): Likewise.
4080         (get_recps_type): Likewise.
4081         (aarch64_gimplify_va_arg_expr): Likewise.
4082         (aarch64_simd_container_mode): Likewise.
4083         (aarch64_emit_load_exclusive): Likewise.
4084         (aarch64_emit_store_exclusive): Likewise.
4085         (aarch64_expand_compare_and_swap): Likewise.
4086         (aarch64_gen_atomic_cas): Likewise.
4087         (aarch64_emit_bic): Likewise.
4088         (aarch64_emit_atomic_swap): Likewise.
4089         (aarch64_emit_atomic_load_op): Likewise.
4090         (aarch64_evpc_trn): Likewise.
4091         (aarch64_evpc_uzp): Likewise.
4092         (aarch64_evpc_zip): Likewise.
4093         (aarch64_evpc_ext): Likewise.
4094         (aarch64_evpc_rev): Likewise.
4095         (aarch64_evpc_dup): Likewise.
4096         (aarch64_gen_ccmp_first): Likewise.
4097         (aarch64_gen_ccmp_next): Likewise.
4098         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): Likewise.
4099         (alpha_emit_xfloating_libcall): Likewise.
4100         (emit_insxl): Likewise.
4101         (alpha_arg_type): Likewise.
4102         * config/arc/arc.c (arc_vector_mode_supported_p): Likewise.
4103         (arc_preferred_simd_mode): Likewise.
4104         (arc_secondary_reload): Likewise.
4105         (get_arc_condition_code): Likewise.
4106         (arc_print_operand): Likewise.
4107         (arc_legitimate_constant_p): Likewise.
4108         * config/arc/arc.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4109         * config/arc/arc.md (casesi_load): Likewise.
4110         (casesi_compact_jump): Likewise.
4111         * config/arc/predicates.md (proper_comparison_operator): Likewise.
4112         (cc_use_register): Likewise.
4113         * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4114         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
4115         (arm_init_iwmmxt_builtins): Likewise.
4116         * config/arm/arm.c (thumb1_size_rtx_costs): Likewise.
4117         (neon_expand_vector_init): Likewise.
4118         (arm_attr_length_move_neon): Likewise.
4119         (maybe_get_arm_condition_code): Likewise.
4120         (arm_emit_vector_const): Likewise.
4121         (arm_preferred_simd_mode): Likewise.
4122         (arm_output_iwmmxt_tinsr): Likewise.
4123         (thumb1_output_casesi): Likewise.
4124         (thumb2_output_casesi): Likewise.
4125         (arm_emit_load_exclusive): Likewise.
4126         (arm_emit_store_exclusive): Likewise.
4127         (arm_expand_compare_and_swap): Likewise.
4128         (arm_evpc_neon_vuzp): Likewise.
4129         (arm_evpc_neon_vzip): Likewise.
4130         (arm_evpc_neon_vrev): Likewise.
4131         (arm_evpc_neon_vtrn): Likewise.
4132         (arm_evpc_neon_vext): Likewise.
4133         (arm_validize_comparison): Likewise.
4134         * config/arm/neon.md (neon_vc<cmp_op><mode>): Likewise.
4135         * config/avr/avr-c.c (avr_resolve_overloaded_builtin): Likewise.
4136         * config/avr/avr.c (avr_rtx_costs_1): Likewise.
4137         * config/c6x/c6x.c (c6x_vector_mode_supported_p): Likewise.
4138         (c6x_preferred_simd_mode): Likewise.
4139         * config/epiphany/epiphany.c (get_epiphany_condition_code): Likewise.
4140         (epiphany_rtx_costs): Likewise.
4141         * config/epiphany/predicates.md (proper_comparison_operator):
4142         Likewise.
4143         * config/frv/frv.c (condexec_memory_operand): Likewise.
4144         (frv_emit_move): Likewise.
4145         (output_move_single): Likewise.
4146         (output_condmove_single): Likewise.
4147         (frv_hard_regno_mode_ok): Likewise.
4148         (frv_matching_accg_mode): Likewise.
4149         * config/h8300/h8300.c (split_adds_subs): Likewise.
4150         (h8300_rtx_costs): Likewise.
4151         (h8300_print_operand): Likewise.
4152         (compute_mov_length): Likewise.
4153         (output_logical_op): Likewise.
4154         (compute_logical_op_length): Likewise.
4155         (compute_logical_op_cc): Likewise.
4156         (h8300_shift_needs_scratch_p): Likewise.
4157         (output_a_shift): Likewise.
4158         (compute_a_shift_length): Likewise.
4159         (compute_a_shift_cc): Likewise.
4160         (expand_a_rotate): Likewise.
4161         (output_a_rotate): Likewise.
4162         * config/i386/i386.c (classify_argument): Likewise.
4163         (function_arg_advance_32): Likewise.
4164         (function_arg_32): Likewise.
4165         (function_arg_64): Likewise.
4166         (function_value_64): Likewise.
4167         (ix86_gimplify_va_arg): Likewise.
4168         (ix86_legitimate_constant_p): Likewise.
4169         (put_condition_code): Likewise.
4170         (split_double_mode): Likewise.
4171         (ix86_avx256_split_vector_move_misalign): Likewise.
4172         (ix86_expand_vector_logical_operator): Likewise.
4173         (ix86_split_idivmod): Likewise.
4174         (ix86_expand_adjust_ufix_to_sfix_si): Likewise.
4175         (ix86_build_const_vector): Likewise.
4176         (ix86_build_signbit_mask): Likewise.
4177         (ix86_match_ccmode): Likewise.
4178         (ix86_cc_modes_compatible): Likewise.
4179         (ix86_expand_branch): Likewise.
4180         (ix86_expand_sse_cmp): Likewise.
4181         (ix86_expand_sse_movcc): Likewise.
4182         (ix86_expand_int_sse_cmp): Likewise.
4183         (ix86_expand_vec_perm_vpermi2): Likewise.
4184         (ix86_expand_vec_perm): Likewise.
4185         (ix86_expand_sse_unpack): Likewise.
4186         (ix86_expand_int_addcc): Likewise.
4187         (ix86_split_to_parts): Likewise.
4188         (ix86_vectorize_builtin_gather): Likewise.
4189         (ix86_vectorize_builtin_scatter): Likewise.
4190         (avx_vpermilp_parallel): Likewise.
4191         (inline_memory_move_cost): Likewise.
4192         (ix86_tieable_integer_mode_p): Likewise.
4193         (x86_maybe_negate_const_int): Likewise.
4194         (ix86_expand_vector_init_duplicate): Likewise.
4195         (ix86_expand_vector_init_one_nonzero): Likewise.
4196         (ix86_expand_vector_init_one_var): Likewise.
4197         (ix86_expand_vector_init_concat): Likewise.
4198         (ix86_expand_vector_init_interleave): Likewise.
4199         (ix86_expand_vector_init_general): Likewise.
4200         (ix86_expand_vector_set): Likewise.
4201         (ix86_expand_vector_extract): Likewise.
4202         (emit_reduc_half): Likewise.
4203         (ix86_emit_i387_round): Likewise.
4204         (ix86_mangle_type): Likewise.
4205         (ix86_expand_round_sse4): Likewise.
4206         (expand_vec_perm_blend): Likewise.
4207         (canonicalize_vector_int_perm): Likewise.
4208         (ix86_expand_vec_one_operand_perm_avx512): Likewise.
4209         (expand_vec_perm_1): Likewise.
4210         (expand_vec_perm_interleave3): Likewise.
4211         (expand_vec_perm_even_odd_pack): Likewise.
4212         (expand_vec_perm_even_odd_1): Likewise.
4213         (expand_vec_perm_broadcast_1): Likewise.
4214         (ix86_vectorize_vec_perm_const_ok): Likewise.
4215         (ix86_expand_vecop_qihi): Likewise.
4216         (ix86_expand_mul_widen_hilo): Likewise.
4217         (ix86_expand_sse2_abs): Likewise.
4218         (ix86_expand_pextr): Likewise.
4219         (ix86_expand_pinsr): Likewise.
4220         (ix86_preferred_simd_mode): Likewise.
4221         (ix86_simd_clone_compute_vecsize_and_simdlen): Likewise.
4222         * config/i386/sse.md (*andnot<mode>3): Likewise.
4223         (<mask_codefor><code><mode>3<mask_name>): Likewise.
4224         (*<code><mode>3): Likewise.
4225         * config/ia64/ia64.c (ia64_expand_vecint_compare): Likewise.
4226         (ia64_expand_atomic_op): Likewise.
4227         (ia64_arg_type): Likewise.
4228         (ia64_mode_to_int): Likewise.
4229         (ia64_scalar_mode_supported_p): Likewise.
4230         (ia64_vector_mode_supported_p): Likewise.
4231         (expand_vec_perm_broadcast): Likewise.
4232         * config/iq2000/iq2000.c (iq2000_move_1word): Likewise.
4233         (iq2000_function_arg_advance): Likewise.
4234         (iq2000_function_arg): Likewise.
4235         * config/m32c/m32c.c (m32c_preferred_reload_class): Likewise.
4236         * config/m68k/m68k.c (output_dbcc_and_branch): Likewise.
4237         (m68k_libcall_value): Likewise.
4238         (m68k_function_value): Likewise.
4239         (sched_attr_op_type): Likewise.
4240         * config/mcore/mcore.c (mcore_output_move): Likewise.
4241         * config/microblaze/microblaze.c (microblaze_function_arg_advance):
4242         Likewise.
4243         (microblaze_function_arg): Likewise.
4244         * config/mips/mips.c (mips16_build_call_stub): Likewise.
4245         (mips_print_operand): Likewise.
4246         (mips_mode_ok_for_mov_fmt_p): Likewise.
4247         (mips_vector_mode_supported_p): Likewise.
4248         (mips_preferred_simd_mode): Likewise.
4249         (mips_expand_vpc_loongson_even_odd): Likewise.
4250         (mips_expand_vec_unpack): Likewise.
4251         (mips_expand_vi_broadcast): Likewise.
4252         (mips_expand_vector_init): Likewise.
4253         (mips_expand_vec_reduc): Likewise.
4254         (mips_expand_msa_cmp): Likewise.
4255         * config/mips/mips.md (casesi_internal_mips16_<mode>): Likewise.
4256         * config/mn10300/mn10300.c (mn10300_print_operand): Likewise.
4257         (cc_flags_for_mode): Likewise.
4258         * config/msp430/msp430.c (msp430_print_operand): Likewise.
4259         * config/nds32/nds32-md-auxiliary.c (nds32_mem_format): Likewise.
4260         (nds32_output_casesi_pc_relative): Likewise.
4261         * config/nds32/nds32.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4262         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Likewise.
4263         (nvptx_gen_unpack): Likewise.
4264         (nvptx_gen_pack): Likewise.
4265         (nvptx_gen_shuffle): Likewise.
4266         (nvptx_gen_wcast): Likewise.
4267         (nvptx_preferred_simd_mode): Likewise.
4268         * config/pa/pa.c (pa_secondary_reload): Likewise.
4269         * config/pa/predicates.md (base14_operand): Likewise.
4270         * config/powerpcspe/powerpcspe-c.c
4271         (altivec_resolve_overloaded_builtin): Likewise.
4272         * config/powerpcspe/powerpcspe.c (rs6000_setup_reg_addr_masks):
4273         Likewise.
4274         (rs6000_preferred_simd_mode): Likewise.
4275         (output_vec_const_move): Likewise.
4276         (rs6000_expand_vector_extract): Likewise.
4277         (rs6000_split_vec_extract_var): Likewise.
4278         (reg_offset_addressing_ok_p): Likewise.
4279         (rs6000_legitimate_offset_address_p): Likewise.
4280         (rs6000_legitimize_address): Likewise.
4281         (rs6000_emit_set_const): Likewise.
4282         (rs6000_const_vec): Likewise.
4283         (rs6000_emit_move): Likewise.
4284         (spe_build_register_parallel): Likewise.
4285         (rs6000_darwin64_record_arg_recurse): Likewise.
4286         (swap_selector_for_mode): Likewise.
4287         (spe_init_builtins): Likewise.
4288         (paired_init_builtins): Likewise.
4289         (altivec_init_builtins): Likewise.
4290         (do_load_for_compare): Likewise.
4291         (rs6000_generate_compare): Likewise.
4292         (rs6000_expand_float128_convert): Likewise.
4293         (emit_load_locked): Likewise.
4294         (emit_store_conditional): Likewise.
4295         (rs6000_output_function_epilogue): Likewise.
4296         (rs6000_handle_altivec_attribute): Likewise.
4297         (rs6000_function_value): Likewise.
4298         (emit_fusion_gpr_load): Likewise.
4299         (emit_fusion_p9_load): Likewise.
4300         (emit_fusion_p9_store): Likewise.
4301         * config/powerpcspe/predicates.md (easy_fp_constant): Likewise.
4302         (fusion_gpr_mem_load): Likewise.
4303         (fusion_addis_mem_combo_load): Likewise.
4304         (fusion_addis_mem_combo_store): Likewise.
4305         * config/rs6000/predicates.md (easy_fp_constant): Likewise.
4306         (fusion_gpr_mem_load): Likewise.
4307         (fusion_addis_mem_combo_load): Likewise.
4308         (fusion_addis_mem_combo_store): Likewise.
4309         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4310         Likewise.
4311         * config/rs6000/rs6000-string.c (do_load_for_compare): Likewise.
4312         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
4313         (rs6000_preferred_simd_mode): Likewise.
4314         (output_vec_const_move): Likewise.
4315         (rs6000_expand_vector_extract): Likewise.
4316         (rs6000_split_vec_extract_var): Likewise.
4317         (reg_offset_addressing_ok_p): Likewise.
4318         (rs6000_legitimate_offset_address_p): Likewise.
4319         (rs6000_legitimize_address): Likewise.
4320         (rs6000_emit_set_const): Likewise.
4321         (rs6000_const_vec): Likewise.
4322         (rs6000_emit_move): Likewise.
4323         (rs6000_darwin64_record_arg_recurse): Likewise.
4324         (swap_selector_for_mode): Likewise.
4325         (paired_init_builtins): Likewise.
4326         (altivec_init_builtins): Likewise.
4327         (rs6000_expand_float128_convert): Likewise.
4328         (emit_load_locked): Likewise.
4329         (emit_store_conditional): Likewise.
4330         (rs6000_output_function_epilogue): Likewise.
4331         (rs6000_handle_altivec_attribute): Likewise.
4332         (rs6000_function_value): Likewise.
4333         (emit_fusion_gpr_load): Likewise.
4334         (emit_fusion_p9_load): Likewise.
4335         (emit_fusion_p9_store): Likewise.
4336         * config/rx/rx.c (rx_gen_move_template): Likewise.
4337         (flags_from_mode): Likewise.
4338         * config/s390/predicates.md (s390_alc_comparison): Likewise.
4339         (s390_slb_comparison): Likewise.
4340         * config/s390/s390.c (s390_handle_vectorbool_attribute): Likewise.
4341         (s390_vector_mode_supported_p): Likewise.
4342         (s390_cc_modes_compatible): Likewise.
4343         (s390_match_ccmode_set): Likewise.
4344         (s390_canonicalize_comparison): Likewise.
4345         (s390_emit_compare_and_swap): Likewise.
4346         (s390_branch_condition_mask): Likewise.
4347         (s390_rtx_costs): Likewise.
4348         (s390_secondary_reload): Likewise.
4349         (__SECONDARY_RELOAD_CASE): Likewise.
4350         (s390_expand_cs): Likewise.
4351         (s390_preferred_simd_mode): Likewise.
4352         * config/s390/vx-builtins.md (vec_packsu_u<mode>): Likewise.
4353         * config/sh/sh.c (sh_print_operand): Likewise.
4354         (dump_table): Likewise.
4355         (sh_secondary_reload): Likewise.
4356         * config/sh/sh.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4357         * config/sh/sh.md (casesi_worker_1): Likewise.
4358         (casesi_worker_2): Likewise.
4359         * config/sparc/predicates.md (icc_comparison_operator): Likewise.
4360         (fcc_comparison_operator): Likewise.
4361         * config/sparc/sparc.c (sparc_expand_move): Likewise.
4362         (emit_soft_tfmode_cvt): Likewise.
4363         (sparc_preferred_simd_mode): Likewise.
4364         (output_cbranch): Likewise.
4365         (sparc_print_operand): Likewise.
4366         (sparc_expand_vec_perm_bmask): Likewise.
4367         (vector_init_bshuffle): Likewise.
4368         * config/spu/spu.c (spu_scalar_mode_supported_p): Likewise.
4369         (spu_vector_mode_supported_p): Likewise.
4370         (spu_expand_insv): Likewise.
4371         (spu_emit_branch_or_set): Likewise.
4372         (spu_handle_vector_attribute): Likewise.
4373         (spu_builtin_splats): Likewise.
4374         (spu_builtin_extract): Likewise.
4375         (spu_builtin_promote): Likewise.
4376         (spu_expand_sign_extend): Likewise.
4377         * config/tilegx/tilegx.c (tilegx_scalar_mode_supported_p): Likewise.
4378         (tilegx_simd_int): Likewise.
4379         * config/tilepro/tilepro.c (tilepro_scalar_mode_supported_p): Likewise.
4380         (tilepro_simd_int): Likewise.
4381         * config/v850/v850.c (const_double_split): Likewise.
4382         (v850_print_operand): Likewise.
4383         (ep_memory_offset): Likewise.
4384         * config/vax/vax.c (vax_rtx_costs): Likewise.
4385         (vax_output_int_move): Likewise.
4386         (vax_output_int_add): Likewise.
4387         (vax_output_int_subtract): Likewise.
4388         * config/visium/predicates.md (visium_branch_operator): Likewise.
4389         * config/visium/visium.c (rtx_ok_for_offset_p): Likewise.
4390         (visium_print_operand_address): Likewise.
4391         * config/visium/visium.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4392         * config/xtensa/xtensa.c (xtensa_mem_offset): Likewise.
4393         (xtensa_expand_conditional_branch): Likewise.
4394         (xtensa_copy_incoming_a7): Likewise.
4395         (xtensa_output_literal): Likewise.
4396         * dfp.c (decimal_real_maxval): Likewise.
4397         * targhooks.c (default_libgcc_floating_mode_supported_p): Likewise.
4398
4399 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4400             Alan Hayward  <alan.hayward@arm.com>
4401             David Sherwood  <david.sherwood@arm.com>
4402
4403         * genmodes.c (mode_size_inline): Add an E_ prefix to mode names.
4404         (mode_nunits_inline): Likewise.
4405         (mode_inner_inline): Likewise.
4406         (mode_unit_size_inline): Likewise.
4407         (mode_unit_precision_inline): Likewise.
4408         (emit_insn_modes_h): Likewise.  Also emit a #define of the
4409         unprefixed name.
4410         (emit_mode_wider): Add an E_ prefix to mode names.
4411         (emit_mode_complex): Likewise.
4412         (emit_mode_inner): Likewise.
4413         (emit_mode_adjustments): Likewise.
4414         (emit_mode_int_n): Likewise.
4415         * config/aarch64/aarch64-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP)
4416         (v2si_UP, v2sf_UP, v1df_UP, di_UP, df_UP, v16qi_UP, v8hi_UP, v8hf_UP)
4417         (v4si_UP, v4sf_UP, v2di_UP, v2df_UP, ti_UP, oi_UP, ci_UP, xi_UP)
4418         (si_UP, sf_UP, hi_UP, hf_UP, qi_UP): Likewise.
4419         (CRC32_BUILTIN, ENTRY): Likewise.
4420         * config/aarch64/aarch64.c (aarch64_push_regs): Likewise.
4421         (aarch64_pop_regs): Likewise.
4422         (aarch64_process_components): Likewise.
4423         * config/alpha/alpha.c (alpha_emit_conditional_move): Likewise.
4424         * config/arm/arm-builtins.c (v8qi_UP, v4hi_UP, v4hf_UP, v2si_UP)
4425         (v2sf_UP, di_UP, v16qi_UP, v8hi_UP, v8hf_UP, v4si_UP, v4sf_UP)
4426         (v2di_UP, ti_UP, ei_UP, oi_UP, hf_UP, si_UP, void_UP): Likewise.
4427         * config/arm/arm.c (arm_init_libfuncs): Likewise.
4428         * config/i386/i386-builtin-types.awk (ix86_builtin_type_vect_mode):
4429         Likewise.
4430         * config/i386/i386-builtin.def (pcmpestr): Likewise.
4431         (pcmpistr): Likewise.
4432         * config/microblaze/microblaze.c (double_memory_operand): Likewise.
4433         * config/mmix/mmix.c (mmix_output_condition): Likewise.
4434         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
4435         Likewise.
4436         * config/rl78/rl78.c (mduc_regs): Likewise.
4437         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
4438         (htm_expand_builtin): Likewise.
4439         * config/sh/sh.h (REGISTER_NATURAL_MODE): Likewise.
4440         * config/sparc/sparc.c (emit_save_or_restore_regs): Likewise.
4441         * config/xtensa/xtensa.c (print_operand): Likewise.
4442         * expmed.h (NUM_MODE_PARTIAL_INT): Likewise.
4443         (NUM_MODE_VECTOR_INT): Likewise.
4444         * genoutput.c (null_operand): Likewise.
4445         (output_operand_data): Likewise.
4446         * genrecog.c (print_parameter_value): Likewise.
4447         * lra.c (debug_operand_data): Likewise.
4448
4449 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4450
4451         * dwarf2out.c (scompare_loc_descriptor_wide)
4452         (scompare_loc_descriptor_narrow): New functions, split out from...
4453         (scompare_loc_descriptor): ...here.
4454         * expmed.c (emit_store_flag_int): New function, split out from...
4455         (emit_store_flag): ...here.
4456
4457 2017-08-30  Richard Biener  <rguenther@suse.de>
4458
4459         * dwarf2out.c (dwarf2out_finish): Remove setting AT_pubnames.
4460         (dwarf2out_early_finish): Move setting of AT_pubnames from
4461         early debug output to early finish.
4462
4463 2017-08-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4464
4465         * gcc/config/msp430/msp430.h: Pass -mcode/data-region to the linker
4466         and -mdata-region to the assembler.
4467
4468 2017-08-30  Richard Biener  <rguenther@suse.de>
4469
4470         * dwarf2out.c (add_dwarf_attr): Check we don't add duplicate
4471         attributes.
4472         (gen_subprogram_die): Add DW_AT_object_pointer only early.
4473         (dwarf2out_early_global_decl): Only generate a DIE for the
4474         abstract origin if it doesn't already exist or is a declaration DIE.
4475         (resolve_addr): Do not add the linkage name twice when
4476         generating a stub DIE for the DW_TAG_GNU_call_site target.
4477
4478 2017-08-30  Richard Sandiford  <richard.sandiford@linaro.org>
4479
4480         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
4481         Use machine_mode rather than int for arg1_mode.
4482
4483 2017-08-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
4484
4485         PR target/82015
4486         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Insure
4487         that the second argument of the built-in functions to unpack
4488         128-bit scalar types to 64-bit values is 0 or 1.  Change to use a
4489         switch statement instead a lot of if statements.
4490         * config/rs6000/rs6000.md (unpack<mode>, FMOVE128_VSX iterator):
4491         Allow 64-bit values to be in Altivec registers as well as
4492         traditional floating point registers.
4493         (pack<mode>, FMOVE128_VSX iterator): Likewise.
4494
4495 2017-08-29  Alexander Monakov  <amonakov@ispras.ru>
4496
4497         * ira-costs.c (record_address_regs): Handle both operands of PLUS for
4498         MAX_REGS_PER_ADDRESS == 1.
4499
4500 2017-08-29  Uros Bizjak  <ubizjak@gmail.com>
4501
4502         * config/i386/i386.opt (flag_fentry): Do not init to -1.
4503         * config/i386/i386.c (ix86_option_override_internal): Simplify
4504         setting of opts->x_flag_entry.
4505
4506 2017-08-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4507             Jakub Jelinek  <jakub@redhat.com>
4508             Richard Biener  <rguenther@suse.de>
4509
4510         PR tree-optimization/81503
4511         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Ensure
4512         folded constant fits in the target type; reorder tests for clarity.
4513
4514 2017-08-29  Martin Liska  <mliska@suse.cz>
4515
4516         * passes.def: Include pass_lower_switch.
4517         * stmt.c (dump_case_nodes): Remove and move to
4518         tree-switch-conversion.
4519         (case_values_threshold): Likewise.
4520         (expand_switch_as_decision_tree_p): Likewise.
4521         (emit_case_decision_tree): Likewise.
4522         (expand_case): Likewise.
4523         (balance_case_nodes): Likewise.
4524         (node_has_low_bound): Likewise.
4525         (node_has_high_bound): Likewise.
4526         (node_is_bounded): Likewise.
4527         (emit_case_nodes): Likewise.
4528         (struct simple_case_node): New struct.
4529         (add_case_node): Remove.
4530         (emit_case_dispatch_table): Use vector instead of case_list.
4531         (reset_out_edges_aux): Remove.
4532         (compute_cases_per_edge): Likewise.
4533         (expand_case): Build list of simple_case_node.
4534         (expand_sjlj_dispatch_table): Use it.
4535         * tree-switch-conversion.c (struct case_node): Moved from
4536         stmt.c and adjusted.
4537         (emit_case_nodes): Likewise.
4538         (node_has_low_bound): Likewise.
4539         (node_has_high_bound): Likewise.
4540         (node_is_bounded): Likewise.
4541         (case_values_threshold): Likewise.
4542         (reset_out_edges_aux): Likewise.
4543         (compute_cases_per_edge): Likewise.
4544         (add_case_node): Likewise.
4545         (dump_case_nodes): Likewise.
4546         (balance_case_nodes): Likewise.
4547         (expand_switch_as_decision_tree_p): Likewise.
4548         (emit_jump): Likewise.
4549         (emit_case_decision_tree): Likewise.
4550         (try_switch_expansion): Likewise.
4551         (do_jump_if_equal): Likewise.
4552         (emit_cmp_and_jump_insns): Likewise.
4553         (fix_phi_operands_for_edge): New function.
4554         (record_phi_operand_mapping): Likewise.
4555         (class pass_lower_switch): New pass.
4556         (pass_lower_switch::execute): New function.
4557         (make_pass_lower_switch): Likewise.
4558         (conditional_probability):
4559         * timevar.def: Add TV_TREE_SWITCH_LOWERING.
4560         * tree-pass.h: Add make_pass_lower_switch.
4561
4562 2017-08-29  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
4563
4564         PR target/80993
4565         * gcc/config/msp430/msp430.c (msp430_attr): Mark interrupt
4566         handlers as used.
4567
4568 2017-08-29  Richard Biener  <rguenther@suse.de>
4569
4570         * dwarf2out.c (add_dwarf_attr): When checking is enabled verify
4571         we do not add a DW_AT_inline attribute twice.
4572         (gen_subprogram_die): Remove code setting DW_AT_inline on
4573         DECL_ABSTRACT_P nodes.
4574
4575 2017-08-29  Richard Sandiford  <richard.sandiford@linaro.org>
4576
4577         * gimplify.c (gimplify_call_expr): Copy the nothrow flag to
4578         calls to internal functions.
4579         (gimplify_modify_expr): Likewise.
4580         * tree-call-cdce.c (use_internal_fn): Likewise.
4581         * tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
4582         (convert_to_divmod): Set the nothrow flag.
4583         * tree-if-conv.c (predicate_mem_writes):  Likewise.
4584         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
4585         (vectorizable_call): Likewise.
4586         (vectorizable_store): Likewise.
4587         (vectorizable_load): Likewise.
4588         * tree-vect-patterns.c (vect_recog_pow_pattern): Likewise.
4589         (vect_recog_mask_conversion_pattern): Likewise.
4590
4591 2017-08-29  Martin Liska  <mliska@suse.cz>
4592
4593         PR other/39851
4594         * gcc.c (driver_handle_option): Add new argument.
4595         * opts-common.c (handle_option): Pass
4596         target_option_override_hook.
4597         * opts-global.c (lang_handle_option): Add new option.
4598         (set_default_handlers):  Add new argument.
4599         (decode_options): Likewise.
4600         * opts.c (target_handle_option): Likewise.
4601         (common_handle_option): Call target_option_override_hook.
4602         * opts.h (struct cl_option_handler_func): Add hook for
4603         target option override.
4604         (struct cl_option_handlers): Likewise.
4605         (set_default_handlers): Add new argument.
4606         (decode_options): Likewise.
4607         (common_handle_option): Likewise.
4608         (target_handle_option): Likewise.
4609         * toplev.c (toplev::main): Pass targetm.target_option.override
4610         hook.
4611
4612 2017-08-29  Richard Biener  <rguenther@suse.de>
4613         Dominik Infuehr <dominik.infuehr@theobroma-systems.com>
4614
4615         * tree-vect-slp.c (vect_bb_slp_scalar_cost): Properly confine
4616         life to the active subtree.
4617
4618 2017-08-28  Jeff Law  <law@redhat.com>
4619
4620         * tree-ssa-dom.c (edge_info::record_simple_equiv): Call
4621         derive_equivalences.
4622         (derive_equivalences_from_bit_ior, record_temporary_equivalences):
4623         Code moved into....
4624         (edge_info::derive_equivalences): New private member function
4625
4626         * tree-ssa-dom.c (class edge_info): Changed from a struct
4627         to a class.  Add ctor/dtor, methods and data members.
4628         (edge_info::edge_info): Renamed from allocate_edge_info.
4629         Initialize additional members.
4630         (edge_info::~edge_info): New.
4631         (free_dom_edge_info): Delete the edge info.
4632         (record_edge_info): Use new class & associated member functions.
4633         Tighten forms for testing for edge equivalences.
4634         (record_temporary_equivalences): Iterate over the simple
4635         equivalences rather than assuming there's only one per edge.
4636         (cprop_into_successor_phis): Iterate over the simple
4637         equivalences rather than assuming there's only one per edge.
4638         (optimize_stmt): Use operand_equal_p rather than pointer
4639         equality for mini-DSE code.
4640
4641 2017-08-28  Nathan Sidwell  <nathan@acm.org>
4642
4643         * gcc.c (execute): Fold SIGPIPE handling into switch
4644         statement.  Adjust internal error message.
4645
4646 2017-08-28  Richard Biener  <rguenther@suse.de>
4647
4648         PR debug/81993
4649         * dwarf2out.c (gen_remaining_tmpl_value_param_die_attributes):
4650         Do nothing for removed DIEs.
4651
4652 2017-08-28  Richard Biener  <rguenther@suse.de>
4653
4654         PR tree-optimization/81977
4655         * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix look through
4656         memcpy.
4657
4658 2017-08-28  Alexander Monakov  <amonakov@ispras.ru>
4659
4660         PR target/80640
4661         * doc/md.texi (mem_thread_fence): Remove mention of mode.  Rewrite.
4662         * optabs.c (expand_mem_thread_fence): Emit a compiler barrier when
4663         using targetm.gen_mem_thread_fence.
4664
4665 2017-08-27  Uros Bizjak  <ubizjak@gmail.com>
4666
4667         PR target/81995
4668         * config/i386/i386.md (*<btsc><mode>): Change operand 2
4669         predicate to register_operand.  Reorder operands.
4670         (*btr<mode>): Ditto.
4671         (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
4672         (*btr<mode>_mask): Ditto.
4673
4674 2017-08-25  Steven Munroe  <munroesj@gcc.gnu.org>
4675
4676         * config.gcc (powerpc*-*-*): Add xmmintrin.h and mm_malloc.h.
4677         * config/rs6000/xmmintrin.h: New file.
4678         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include xmmintrin.h.
4679
4680 2017-08-25  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4681
4682         PR target/81504
4683         * config/rs6000/rs6000-p8swap.c (find_alignment_op): Add reference
4684         parameter and_insn and return it.
4685         (recombine_lvx_pattern): Insert a copy to ensure availability of
4686         the base register of the copied masking operation at the point of
4687         the instruction replacement.
4688         (recombine_stvx_pattern): Likewise.
4689
4690 2017-08-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
4691
4692         * config/rs6000/rs6000.opt (-mpower9-dform-scalar): Delete
4693         undocumented switches.
4694         (-mpower9-dform-vector): Likewise.
4695         (-mpower9-dform): Likewise.
4696         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Update
4697         comments to delete references to -mpower9-dform* switches.
4698         * config/rs6000/predicates.md (vsx_quad_dform_memory_operand):
4699         Delete reference to -mpower9-dform* switches, test for
4700         -mpower9-vector instead.
4701         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise.
4702         (OTHER_P9_VECTOR_MASKS): Likewise.
4703         (POWERPC_MASKS): Likewise.
4704         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Change
4705         tests against -mpower9-dform* to -mpower9-vector.  Delete code
4706         that checked for -mpower9-dform* consistancy with other options.
4707         Add test for -mpower9-misc to enable other power9 switches.
4708         (rs6000_init_hard_regno_mode_ok): Likewise.
4709         (rs6000_option_override_internal): Likewise.
4710         (rs6000_emit_prologue): Likewise.
4711         (rs6000_emit_epilogue): Likewise.
4712         (rs6000_opt_masks): Delete -mpower9-dform-{scalar,vector}.
4713         (rs6000_disable_incompatiable_switches): Delete -mpower9-dform.
4714         (emit_fusion_p9_load): Change tests for -mpower9-dform-scalar
4715         -mpower9-vector.
4716         (emit_fusion_p9_store): Likewise.
4717         * config/rs6000/rs6000.h (TARGET_P9_DFORM_SCALAR): Delete
4718         resetting these macros if the assembler does not support ISA 3.0
4719         instructions.
4720         (TARGET_P9_DFORM_VECTOR): Likewise.
4721         * config/rs6000/rs6000.md (peepholes to optimize altivec memory):
4722         Change to use -mpower9-vector instead of -mpower9-dform-scalar.
4723
4724 2017-08-25  Alan Modra  <amodra@gmail.com>
4725
4726         PR rtl-optimization/81747
4727         * cse.c (cse_extended_basic_block): Don't attempt to record
4728         equivalences for degenerate conditional branches that branch
4729         to their fall-through.
4730
4731 2017-08-24  Martin Sebor  <msebor@redhat.com>
4732
4733         PR middle-end/81908
4734         * gimple-fold.c (size_must_be_zero_p): New function.
4735         (gimple_fold_builtin_memory_op): Call it.
4736
4737 2017-08-24  Steven Munroe  <munroesj@gcc.gnu.org>
4738
4739         * config/rs6000/mm_malloc.h: New file.
4740
4741 2017-08-24  Bin Cheng  <bin.cheng@arm.com>
4742
4743         PR tree-optimization/81913
4744         * tree-ssa-loop-niter.c (number_of_iterations_cond): Skip niter
4745         analysis when either IVs in condition can wrap.
4746
4747 2017-08-24  Uros Bizjak  <ubizjak@gmail.com>
4748
4749         * dwarf2out.c (MAX_ARTIFICIAL_LABEL_BYTES): Increase to 40.
4750         * dwarf2cfi.c (MAX_ARTIFICIAL_LABEL_BYTES): Remove.
4751
4752 2017-08-24  Richard Biener  <rguenther@suse.de>
4753
4754         PR target/81921
4755         * targhooks.c (default_target_can_inline_p): Properly
4756         use target_option_default_node when no DECL_FUNCTION_SPECIFIC_TARGET
4757         is present and always compare.
4758         * config/i386/i386.c (ix86_valid_target_attribute_tree): Do not
4759         infer -mfpmath=sse from TARGET_SSE_P.
4760         (ix86_can_inline_p): Properly use target_option_default_node when
4761         no DECL_FUNCTION_SPECIFIC_TARGET is present and always compare.
4762
4763 2017-08-24  Richard Biener  <rguenther@suse.de>
4764
4765         PR debug/81936
4766         * dwarf2out.c (output_die): Handle flag_generate_offload like
4767         flag_generate_lto.
4768         (output_comp_unit): Likewise.
4769         (gen_array_type_die): Likewise.
4770         (dwarf2out_early_finish): Likewise.
4771         (note_variable_value_in_expr): Likewise.
4772         (dwarf2out_finish): Likewise.  Adjust assert.
4773         * cgraphunit.c (symbol_table::compile): Move setting of
4774         flag_generate_offload earlier ...
4775         (symbol_table::finalize_compilation_unit): ... here, before
4776         early debug finalization.
4777
4778 2017-08-24  Richard Biener  <rguenther@suse.de>
4779
4780         * config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
4781         and ipa-fnsummary.h.
4782         (ix86_can_inline_p): When ix86_fpmath flags do not match
4783         check whether the callee uses FP math at all.
4784
4785 2017-08-24  Aldy Hernandez  <aldyh@redhat.com>
4786
4787         PR middle-end/81931
4788         * tree-ssanames.c (get_nonzero_bits): Use element_precision
4789         instead of TYPE_PRECISION.
4790
4791 2017-08-24  Richard Sandiford  <richard.sandiford@linaro.org>
4792             Alan Hayward  <alan.hayward@arm.com>
4793             David Sherwood  <david.sherwood@arm.com>
4794
4795         * combine.c (make_extraction): Use subreg_offset_from_lsb.
4796
4797 2017-08-23  Daniel Santos  <daniel.santos@pobox.com>
4798
4799         * config/i386/i386.h (ix86_frame::stack_realign_allocate_offset):
4800         Remove field.
4801         (ix86_frame::stack_realign_allocate): New field.
4802         (struct machine_frame_state): Modify comments.
4803         (machine_frame_state::sp_realigned_fp_end): New field.
4804         * config/i386/i386.c (ix86_compute_frame_layout): Rework stack frame
4805         layout calculation.
4806         (sp_valid_at): Add assertion to assure no attempt to access invalid
4807         offset of a realigned stack.
4808         (fp_valid_at): Likewise.
4809         (choose_baseaddr): Modify comments.
4810         (ix86_emit_outlined_ms2sysv_save): Adjust to changes in
4811         ix86_expand_prologue.
4812         (ix86_expand_prologue): Modify stack realignment and allocation.
4813         (ix86_expand_epilogue): Modify comments.
4814         * doc/sourcebuild.texi: Add documentation for target selectors avx2,
4815         avx2_runtime, avx512f, and avx512f_runtime.
4816
4817 2017-08-23  Uros Bizjak  <ubizjak@gmail.com>
4818
4819         * config/i386/i386.opt: Remove unneeded Init(0) initializations.
4820         (mstackrealign): Do not init to -1.
4821         * config/i386/i386.c (ix86_option_override_internal):
4822         Check opts_set, not opts when setting default value of
4823         opts->x_ix86_force_align_arg_pointer.
4824
4825 2017-08-23  Richard Biener  <rguenther@suse.de>
4826
4827         * function.c (fndecl_name): Use verbosity 1 (no arguments) for
4828         lang_hooks.decl_printable_name.
4829         * print-rtl-function.c (print_rtx_function): Likewise.
4830         * tree-pretty-print.c (dump_function_header): Likewise.
4831
4832 2017-08-23  Richard Biener  <rguenther@suse.de>
4833
4834         PR lto/81940
4835         * dwarf2out.c (dwarf2out_abstract_function): Handle LTO with
4836         -g0 at compile-time.
4837
4838 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4839
4840         PR middle-end/19706
4841         * doc/sourcebuild.texi (Other hardware attributes):
4842         Document xorsign.
4843
4844 2017-08-23  Tamar Christina  <tamar.christina@arm.com>
4845
4846         PR middle-end/19706
4847         * tree-ssa-math-opts.c (convert_expand_mult_copysign):
4848         Fix single-use check.
4849
4850 2017-08-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
4851
4852         * gcc.c (execute): Only test for SIGKILL and SIGQUIT if available.
4853
4854 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4855
4856         * doc/install.texi: Modify to add more details on running selected
4857         tests.
4858
4859 2017-08-22  Daniel Santos  <daniel.santos@pobox.com>
4860
4861         * config/i386/i386.c (ix86_option_override_internal): Error when -mx32
4862         is combined with -mabi=ms.
4863         (ix86_function_type_abi): Limit errors for mixing -mx32 with attribute
4864         ms_abi.
4865
4866 2017-08-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
4867
4868         PR tree-optimization/81488
4869         * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited
4870         and cached_basis fields.
4871         (MAX_SPREAD): New constant.
4872         (alloc_cand_and_find_basis): Initialize new fields.
4873         (clear_visited): New function.
4874         (create_phi_basis_1): Rename from create_phi_basis, set visited
4875         and cached_basis fields.
4876         (create_phi_basis): New wrapper function.
4877         (phi_add_costs_1): Rename from phi_add_costs, add spread
4878         parameter, set visited field, short-circuit when limits reached.
4879         (phi_add_costs): New wrapper function.
4880         (record_phi_increments_1): Rename from record_phi_increments, set
4881         visited field.
4882         (record_phi_increments): New wrapper function.
4883         (phi_incr_cost_1): Rename from phi_incr_cost, set visited field.
4884         (phi_incr_cost): New wrapper function.
4885         (all_phi_incrs_profitable_1): Rename from
4886         all_phi_incrs_profitable, set visited field.
4887         (all_phi_incrs_profitable): New wrapper function.
4888
4889 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4890             Alan Hayward  <alan.hayward@arm.com>
4891             David Sherwood  <david.sherwood@arm.com>
4892
4893         * rtl.h (paradoxical_subreg_p): Define inline, and add a version
4894         that takes the outer and inner modes.
4895         * doc/rtl.texi: Use paradoxical_subreg_p instead of a GET_MODE_SIZE
4896         comparison as the canonical test for a paradoxical subreg.
4897         * combine.c (simplify_set): Use paradoxical_subreg_p.
4898         (make_extraction): Likewise.
4899         (force_to_mode): Likewise.
4900         (rtx_equal_for_field_assignment_p): Likewise.
4901         (gen_lowpart_for_combine): Likewise.
4902         (simplify_comparison): Likewise.
4903         * cse.c (equiv_constant): Likewise.
4904         * expmed.c (store_bit_field_1): Likewise.
4905         * final.c (alter_subreg): Likewise.
4906         * fwprop.c (propagate_rtx): Likewise.
4907         (forward_propagate_subreg): Likewise.
4908         * ira-conflicts.c (ira_build_conflicts): Likewise.
4909         * lower-subreg.c (simplify_gen_subreg_concatn): Likewise.
4910         * lra-constraints.c (curr_insn_transform): Likewise.
4911         (split_reg): Likewise.
4912         * lra-eliminations.c (move_plus_up): Likewise.
4913         (lra_eliminate_regs_1): Likewise.
4914         * recog.c (general_operand): Likewise.
4915         * ree.c (combine_reaching_defs): Likewise.
4916         * reload.c (push_reload): Likewise.
4917         (find_reloads): Likewise.
4918         * reload1.c (elimination_effects): Likewise.
4919         (compute_reload_subreg_offset): Likewise.
4920         (choose_reload_regs): Likewise.
4921         * rtlanal.c (subreg_lsb_1): Likewise.
4922         * simplify-rtx.c (simplify_unary_operation_1): Likewise.
4923         (simplify_subreg): Likewise.
4924         * var-tracking.c (track_loc_p): Likewise.
4925         * emit-rtl.c (byte_lowpart_offset): Likewise.
4926         (paradoxical_subreg_p): Delete out-of-line definition.
4927
4928 2017-08-22  Jeff Law  <law@redhat.com>
4929
4930         PR tree-optimization/81741
4931         PR tree-optimization/71947
4932         * tree-ssa-dom.c: Include tree-inline.h.
4933         (record_temporary_equivalences): Only record SSA_NAME = SSA_NAME
4934         equivalences if one is more expensive to compute than the other.
4935         * tree-ssa-scopedtables.h (class const_or_copies): Make
4936         record_const_or_copy_raw method private.
4937         (class avail_exprs_stack): New method simplify_binary_operation.
4938         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): Call
4939         avail_exprs_stack::simplify_binary_operation as needed.
4940         (avail_exprs_stack::simplify_binary_operation): New function.
4941
4942 2017-08-22  Sebastian Huber  <sebastian.huber@embedded-brains.de>
4943
4944         * config.gcc (powerpc-*-rtems*): Add rs6000/linux64.opt.
4945         * config/rs6000/rtems.h (ASM_PREFERRED_EH_DATA_FORMAT): New define.
4946         (DOT_SYMBOLS): Likewise.
4947         (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
4948         (RELOCATABLE_NEEDS_FIXUP): Likewise.
4949         (RS6000_ABI_NAME): Likewise.
4950         (TARGET_CMODEL): Likewise.
4951         (TOC_SECTION_ASM_OP): Likewise.
4952         (SET_CMODEL): New macro.
4953         (SUBSUBTARGET_OVERRIDE_OPTIONS): Evaluate cmodel options.
4954
4955 2017-08-22  Richard Biener  <rguenther@suse.de>
4956
4957         * tree-inline.c (remap_type_1): Change asserts on TYPE_SIZE[_UNIT]
4958         to allow for free-lang-data replacements similar to verify_type_variant.
4959
4960 2017-08-22  Richard Sandiford  <richard.sandiford@linaro.org>
4961             Alan Hayward  <alan.hayward@arm.com>
4962             David Sherwood  <david.sherwood@arm.com>
4963
4964         * config/aarch64/aarch64.md (casesi): Use DImode rather than
4965         VOIDmode for the LABEL_REF.
4966
4967 2017-08-22  Richard Biener  <rguenther@suse.de>
4968
4969         * tree-cfg.c (gimple_split_edge): Avoid reallocating target PHI nodes.
4970
4971 2017-08-22  Richard Biener  <rguenther@suse.de>
4972
4973         * common.opt (feliminate-dwarf2-dups): Ignore.
4974         * doc/invoke.texi (feliminate-dwarf2-dups): Remove documentation.
4975         * dwarf2out.c (push_new_compile_unit, pop_compile_unit,
4976         same_die_p_wrap, compute_section_prefix,
4977         is_symbol_die, assign_symbol_names, break_out_includes): Remove.
4978         (comdat_symbol_id, comdat_symbol_number): Likewise.
4979         (cu_hash_table_entry, cu_hash_table_entry_hasher, cu_hash_type):
4980         Likewise.
4981         (check_duplicate_cu, record_comdat_symbol_number): Likewise.
4982         (output_die): Mark unreachable path unreachable.
4983         (dwarf2out_start_source_file): Do not create DW_TAG_GNU_BINCL.
4984         (dwarf2out_end_source_file): Do not create DW_TAG_GNU_EINCL.
4985         (dwarf2out_init): Remove code handling flag_eliminate_dwarf2_dups.
4986         (dwarf2out_early_finish): Likewise.
4987
4988 2017-08-22  Aldy Hernandez  <aldyh@redhat.com>
4989
4990         * wide-int.h (hwi_with_prec::hwi_with_prec): Sign extend.
4991
4992 2017-08-22  Georg-Johann Lay  <avr@gjlay.de>
4993
4994         PR target/81910
4995         * config/avr/avr.c (avr_handle_addr_attribute): Early return if
4996         not VAR_P. Filter attribute warnings with OPT_Wattributes.
4997         (avr_attribute_table) <io, io_low, address>: Initialize
4998         .decl_required with true.
4999
5000 2017-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
5001
5002         * config/rs6000/rs6000-cpus.def (-mvsx-scalar-float): Delete
5003         undocumented debugging options.
5004         (-mvsx-scalar-double): Likewise.
5005         (-mallow-df-permute): Likewise.
5006         (-mvectorize-builtins): Likewise.
5007         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
5008         (rs6000_builtin_vectorized_function): Likewise.
5009         (rs6000_builtin_md_vectorized_function): Likewise.
5010         (rs6000_opt_vars): Likewise.
5011
5012 2017-08-21  Uros Bizjak  <ubizjak@gmail.com>
5013
5014         PR target/46091
5015         * config/i386/i386.md (*btsq_imm): Rename from *btsq.
5016         (*btrq_imm): Rename from *btrq.
5017         (*btcq_imm): Rename from *btcq.
5018         (btsc): New code attribute.
5019         (*<btsc><mode>): New insn pattern.
5020         (*btr<mode>): Ditto.
5021         (*<btsc><mode>_mask): New insn_and_split pattern.
5022         (*btr<mode>_mask): Ditto.
5023
5024 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5025             Alan Hayward  <alan.hayward@arm.com>
5026             David Sherwood  <david.sherwood@arm.com>
5027
5028         * function.c (pad_below): Simplify padding calculation.
5029
5030 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5031             Alan Hayward  <alan.hayward@arm.com>
5032             David Sherwood  <david.sherwood@arm.com>
5033
5034         * target.def (function_prologue): Remove frame size argument.
5035         (function_epilogue): Likewise.
5036         * doc/tm.texi: Regenerate.
5037         * final.c (final_start_function): Update call to function_prologue.
5038         (final_end_function): Update call to function_epilogue.
5039         (default_function_pro_epilogue): Remove frame size argument.
5040         * output.h (default_function_pro_epilogue): Likewise.
5041         * config/arm/arm.c (arm_output_function_epilogue): Likewise.
5042         (arm_output_function_prologue): Likewise.
5043         * config/frv/frv.c (frv_function_prologue): Likewise.
5044         (frv_function_epilogue): Likewise.
5045         * config/i386/i386.c (ix86_output_function_epilogue): Likewise.
5046         * config/ia64/ia64.c (ia64_output_function_prologue): Likewise.
5047         (ia64_output_function_epilogue): Likewise.
5048         * config/m32r/m32r.c (m32r_output_function_prologue): Likewise.
5049         (m32r_output_function_epilogue): Likewise.
5050         * config/microblaze/microblaze.c (microblaze_function_prologue)
5051         (microblaze_function_epilogue): Likewise.
5052         * config/mips/mips.c (mips_output_function_prologue): Likewise.
5053         (mips_output_function_epilogue): Likewise.
5054         * config/mmix/mmix.c (mmix_target_asm_function_prologue): Likewise.
5055         (mmix_target_asm_function_epilogue): Likewise.
5056         * config/msp430/msp430.c (msp430_start_function): Likewise.
5057         * config/nds32/nds32.c (nds32_asm_function_prologue): Likewise.
5058         (nds32_asm_function_epilogue): Likewise.
5059         * config/nios2/nios2.c (nios2_asm_function_prologue): Likewise.
5060         * config/pa/pa.c (pa_output_function_prologue): Likewise.
5061         (pa_output_function_epilogue): Likewise.
5062         * config/powerpcspe/powerpcspe.c (rs6000_output_function_prologue)
5063         (rs6000_output_function_epilogue): Likewise.
5064         * config/rl78/rl78.c (rl78_start_function): Likewise.
5065         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Likewise.
5066         (rs6000_output_function_epilogue): Likewise.
5067         * config/rx/rx.c (rx_output_function_prologue): Likewise.
5068         * config/sh/sh.c (sh_output_function_epilogue): Likewise.
5069         * config/sparc/sparc.c (sparc_asm_function_prologue): Likewise.
5070         (sparc_asm_function_epilogue): Likewise.
5071
5072 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5073
5074         * tree.h (type_has_mode_precision_p): New function.
5075         * convert.c (convert_to_integer_1): Use it.
5076         * expr.c (expand_expr_real_2): Likewise.
5077         (expand_expr_real_1): Likewise.
5078         * fold-const.c (fold_single_bit_test_into_sign_test): Likewise.
5079         * match.pd: Likewise.
5080         * tree-ssa-forwprop.c (simplify_rotate): Likewise.
5081         * tree-ssa-math-opts.c (convert_mult_to_fma): Likewise.
5082         * tree-tailcall.c (process_assignment): Likewise.
5083         * tree-vect-loop.c (vectorizable_reduction): Likewise.
5084         * tree-vect-patterns.c (vect_recog_vector_vector_shift_pattern)
5085         (vect_recog_mult_pattern, vect_recog_divmod_pattern): Likewise.
5086         * tree-vect-stmts.c (vectorizable_conversion): Likewise.
5087         (vectorizable_assignment): Likewise.
5088         (vectorizable_shift): Likewise.
5089         (vectorizable_operation): Likewise.
5090         * tree-vrp.c (register_edge_assert_for_2): Likewise.
5091
5092 2017-08-21  Wilco Dijkstra  <wdijkstr@arm.com>
5093
5094         * match.pd: Add pow (C, x) simplification.
5095
5096 2017-08-21  Richard Biener  <rguenther@suse.de>
5097
5098         PR tree-optimization/81900
5099         * tree-ssa-pre.c (compute_antic_aux): Properly compute changed
5100         for blocks with abnormal predecessors.
5101         (compute_antic): Do not set visited flag prematurely.
5102
5103 2017-08-21  Georg-Johann Lay  <avr@gjlay.de>
5104
5105         PR target/79883
5106         * config/avr/avr.c (avr_set_current_function): Typo in diagnostic.
5107
5108 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5109
5110         * stor-layout.h (vector_type_mode): Move to...
5111         * tree.h (vector_type_mode): ...here.
5112         * stor-layout.c (vector_type_mode): Move to...
5113         * tree.c (vector_type_mode): ...here.  Include rtl.h and regs.h.
5114
5115 2017-08-21  Richard Biener  <rguenther@suse.de>
5116
5117         * debug.h (struct gcc_debug_hooks): Add die_ref_for_decl and
5118         register_external_die hooks.
5119         (debug_false_tree_charstarstar_uhwistar): Declare.
5120         (debug_nothing_tree_charstar_uhwi): Likewise.
5121         * debug.c (do_nothing_debug_hooks): Adjust.
5122         (debug_false_tree_charstarstar_uhwistar): New do nothing.
5123         (debug_nothing_tree_charstar_uhwi): Likewise.
5124         * dbxout.c (dbx_debug_hooks): Adjust.
5125         (xcoff_debug_hooks): Likewise.
5126         * sdbout.c (sdb_debug_hooks): Likewise.
5127         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
5128         * dwarf2out.c (macinfo_label_base): New global.
5129         (dwarf2out_register_external_die): New function for the
5130         register_external_die hook.
5131         (dwarf2out_die_ref_for_decl): Likewise for die_ref_for_decl.
5132         (dwarf2_debug_hooks): Use them.
5133         (dwarf2_lineno_debug_hooks): Adjust.
5134         (struct die_struct): Add with_offset flag.
5135         (DEBUG_LTO_DWO_INFO_SECTION, DEBUG_LTO_INFO_SECTION,
5136         DEBUG_LTO_DWO_ABBREV_SECTION, DEBUG_LTO_ABBREV_SECTION,
5137         DEBUG_LTO_DWO_MACINFO_SECTION, DEBUG_LTO_MACINFO_SECTION,
5138         DEBUG_LTO_DWO_MACRO_SECTION, DEBUG_LTO_MACRO_SECTION,
5139         DEBUG_LTO_LINE_SECTION, DEBUG_LTO_DWO_STR_OFFSETS_SECTION,
5140         DEBUG_LTO_STR_DWO_SECTION, DEBUG_STR_LTO_SECTION): New macros
5141         defining section names for the early LTO debug variants.
5142         (reset_indirect_string): New helper.
5143         (add_AT_external_die_ref): Helper for dwarf2out_register_external_die.
5144         (print_dw_val): Add support for offsetted symbol references.
5145         (get_ultimate_context): Split out from is_cxx.
5146         (is_cxx): Use get_ultimate_context.
5147         (is_fortran): Add decl overload.
5148         (compute_comp_unit_symbol): Split out worker from
5149         compute_section_prefix.
5150         (compute_section_prefix): Call compute_comp_unit_symbol and
5151         set comdat_type_p here.
5152         (output_die): Skip DIE symbol output for the LTO added one.
5153         Handle DIE symbol references with offset.
5154         (output_comp_unit): Guard section name mangling properly.
5155         For LTO debug sections emit a symbol at the section beginning
5156         which we use to refer to its DIEs.
5157         (add_abstract_origin_attribute): For DIEs registered via
5158         dwarf2out_register_external_die directly refer to the early
5159         DIE rather than indirectly through the shadow one we created.
5160         Remove obsolete call to dwarf2out_abstract_function for
5161         non-function/block origins.
5162         (gen_array_type_die): When generating early LTO debug do
5163         not emit DW_AT_string_length.
5164         (gen_formal_parameter_die): Do not re-create DIEs for PARM_DECLs
5165         late when in LTO.  As suggested place a gcc_unreachable for
5166         the DECL_ABSTRACT_P case.
5167         (gen_subprogram_die): Avoid another specification DIE
5168         for early built declarations/definitions for the late LTO case.
5169         (gen_variable_die): Add type references for late duplicated VLA dies
5170         when in late LTO.
5171         (gen_inlined_subroutine_die): Do not call dwarf2out_abstract_function,
5172         we have the abstract instance already.
5173         (process_scope_var): Adjust decl DIE contexts in LTO which
5174         first puts them in limbo.
5175         (gen_decl_die): Do not generate type DIEs late apart from
5176         types for VLAs or for decls we do not yet have a DIE.  Do not
5177         call dwarf2out_abstract_function late.
5178         (dwarf2out_early_global_decl): Make sure to create DIEs
5179         for abstract instances of a decl first.
5180         (dwarf2out_late_global_decl): Adjust comment.
5181         (output_macinfo_op): With multiple macro sections use
5182         macinfo_label_base to distinguish labels.
5183         (output_macinfo): Likewise.  Update macinfo_label_base.
5184         Pass in the line info label.
5185         (note_variable_value_in_expr): When generating LTO resolve
5186         all variable values here by generating DIEs as needed.
5187         (init_sections_and_labels): Add early LTO debug flag parameter
5188         and generate different sections and names if set.  Add generation
5189         counter for the labels so we can have multiple of them.
5190         (reset_dies): Helper to allow DIEs to be output multiple times.
5191         (dwarf2out_finish): When outputting DIEs to the fat part of an
5192         LTO object first reset DIEs.
5193         (dwarf2out_early_finish): Output early DIEs when generating LTO.
5194         (modified_type_die): Check for decl_ultimate_origin being self
5195         before recursing.
5196         (gen_type_die_with_usage): Likewise.
5197         (gen_typedef_die): Allow decl_ultimate_origin being self.
5198         (set_decl_abstract_flags): Remove.
5199         (set_block_abstract_flags): Likewise.
5200         (dwarf2out_abstract_function): Treat the early generated DIEs
5201         as the abstract copy and only add DW_AT_inline and
5202         DW_AT_artificial here and call set_decl_origin_self.
5203         If the DIE has an abstract origin don't do anything.
5204         * tree.c (free_lang_data): Build a dummy TRANSLATION_UNIT_DECL
5205         if we have none yet (Go fails to build one, PR78628).
5206         (variably_modified_type_p): Prevent endless recursion for Ada
5207         cyclic pointer types.
5208         * lto-streamer-in.c: Include debug.h.
5209         (dref_queue): New global.
5210         (lto_read_tree_1): Stream in DIE references.
5211         (lto_input_tree): Register DIE references.
5212         (input_function): Stream DECL_DEBUG_ARGS.
5213         * lto-streamer-out.c: Include debug.h.
5214         (lto_write_tree_1): Output DIE references.
5215         (DFS::DFS_write_tree_body): Follow DECL_ABSTRACT_ORIGIN.
5216         Force a TRANSLATION_UNIT_DECL DECL_CONTEXT for file-scope decls.
5217         (output_function): Stream DECL_DEBUG_ARGS.
5218         * tree-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
5219         Stream DECL_ABSTRACT_ORIGIN.
5220         * tree-streamer-out.c (write_ts_decl_common_tree_pointers): Likewise.
5221         (write_ts_decl_minimal_tree_pointers): Force a TRANSLATION_UNIT_DECL
5222         DECL_CONTEXT for file-scope decls.
5223         * lto-streamer.h (struct dref_entry): Declare.
5224         (dref_queue): Likewise.
5225         * cfgexpand.c (pass_expand::execute): Do not call the
5226         outlining_inline_function hook here.
5227         * lto-wrapper.c (debug_obj): New global.
5228         (tool_cleanup): Unlink it if required.
5229         (debug_objcopy): New function.
5230         (run_gcc): Handle early debug sections in the IL files by
5231         extracting them to separate files, partially linkin them and
5232         feeding the result back as result to the linker.
5233         * config/darwin.h (DEBUG_LTO_INFO_SECTION, DEBUG_LTO_ABBREV_SECTION,
5234         DEBUG_LTO_MACINFO_SECTION, DEBUG_LTO_LINE_SECTION,
5235         DEBUG_STR_LTO_SECTION, DEBUG_LTO_MACRO_SECTION): Put early debug
5236         sections into a separate segment.
5237         * config/darwin.c (darwin_asm_named_section): Handle __GNU_DWARF_LTO
5238         segments.
5239         (darwin_asm_dwarf_section): Likewise.
5240         (darwin_asm_output_dwarf_offset): Likewise.
5241         * config/i386/i386.c (make_resolver_func): Set DECL_IGNORED_P.
5242
5243 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5244             Alan Hayward  <alan.hayward@arm.com>
5245             David Sherwood  <david.sherwood@arm.com>
5246
5247         * read-md.h (md_reader::record_potential_iterator_use): Replace
5248         pointer argument with an rtx and an index.
5249         * read-rtl.c (iterator_group::apply_iterator): Likewise.
5250         (apply_mode_iterator): Likewise.
5251         (apply_code_iterator): Likewise.
5252         (apply_int_iterator): Likewise.
5253         (apply_subst_iterator): Likewise.
5254         (record_iterator_use): Likewise.
5255         (record_attribute_use): Likewise.
5256         (md_reader::record_potential_iterator_use): Likewise.  Update calls
5257         to record_iterator_use and apply_iterator.
5258         (iterator_use): Replace ptr with x and index.
5259         (attribute_use): Likewise.
5260         (apply_attribute_uses): Update calls to apply_iterator.
5261         (apply_iterators): Likewise.  Update initialization of iterator_use.
5262         (rtx_reader::read_rtx_code): Update calls to record_iterator_use
5263         and record_potential_iterator_use.
5264         (rtx_reader::read_rtx_operand): Likewise.
5265
5266 2017-08-21  Richard Sandiford  <richard.sandiford@linaro.org>
5267             Alan Hayward  <alan.hayward@arm.com>
5268             David Sherwood  <david.sherwood@arm.com>
5269
5270         * varasm.c (const_rtx_hash_1): Don't hash in the mode of a
5271         CONST_WIDE_INT.
5272
5273 2017-08-21  Richard Biener  <rguenther@suse.de>
5274
5275         PR middle-end/81884
5276         * tree-ssa-alias.c (stmt_kills_ref_p): Handle array accesses
5277         at struct end conservatively when comparing common bases.
5278
5279 2017-08-21  Richard Biener  <rguenther@suse.de>
5280
5281         * tree-ssa-loop-im.c (struct lim_aux_data): Add ref index member.
5282         (mem_ref_in_stmt): Remove.
5283         (determine_max_movement): Use ref index to get at the reference.
5284         (invariantness_dom_walker::before_dom_children): Deal with
5285         lim data already initialized.
5286         (gather_mem_refs_stmt): Initialize lim data and record ref index.
5287
5288 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5289
5290         * config/i386/i386.h (OPTION_MASK_ISA_ROUND): Remove.
5291         (TARGET_ISA_ROUND): Ditto.
5292         (TARGET_ROUND): Ditto.
5293         * config/i386/i386.c: Substitute TARGET_ROUND with TARGET_SSE4_1.
5294         * config/i386/i386.md: Ditto.
5295         * config/i386/sse.md: Ditto.
5296         * config/i386/i386-builtin.def: Substitute OPTION_MASK_ISA_ROUND
5297         with OPTION_MASK_ISA_SSE4_1.
5298
5299 2017-08-19  Uros Bizjak  <ubizjak@gmail.com>
5300
5301         PR target/81894
5302         * doc/extend.texi (x86 Built-in Functions): Correct the name of
5303         __builtin_ia32_lzcnt_u16.
5304
5305 2017-08-18  Peter Bergner  <bergner@vnet.ibm.com>
5306
5307         PR target/80210
5308         * config/rs6000/rs6000.c (rs6000_activate_target_options): New function.
5309         (rs6000_set_current_function): Rewrite function to use it.
5310
5311 2017-08-18  H.J. Lu  <hongjiu.lu@intel.com>
5312
5313         PR c/53037
5314         * print-tree.c (print_node): Support DECL_WARN_IF_NOT_ALIGN
5315         and TYPE_WARN_IF_NOT_ALIGN.
5316         * stor-layout.c (do_type_align): Merge DECL_WARN_IF_NOT_ALIGN.
5317         (handle_warn_if_not_align): New.
5318         (place_union_field): Call handle_warn_if_not_align.
5319         (place_field): Call handle_warn_if_not_align.
5320         Copy TYPE_WARN_IF_NOT_ALIGN.
5321         (finish_builtin_struct): Copy TYPE_WARN_IF_NOT_ALIGN.
5322         (layout_type): Likewise.
5323         * tree-core.h (tree_type_common): Add warn_if_not_align.  Set
5324         spare to 18.
5325         (tree_decl_common): Add warn_if_not_align.
5326         * tree.c (build_range_type_1): Copy TYPE_WARN_IF_NOT_ALIGN.
5327         * tree.h (TYPE_WARN_IF_NOT_ALIGN): New.
5328         (SET_TYPE_WARN_IF_NOT_ALIGN): Likewise.
5329         (DECL_WARN_IF_NOT_ALIGN): Likewise.
5330         (SET_DECL_WARN_IF_NOT_ALIGN): Likewise.
5331         * doc/extend.texi: Document warn_if_not_aligned attribute.
5332         * doc/invoke.texi: Document -Wif-not-aligned and -Wpacked-not-aligned.
5333
5334 2017-08-17  Martin Liska  <mliska@suse.cz>
5335
5336         PR bootstrap/81864
5337         * tree-loop-distribution.c (ddrs_table): Change type to pointer type.
5338         (get_data_dependence): Use it as pointer type.
5339         (distribute_loop): Likewise.
5340
5341 2017-08-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5342
5343         * config/rs6000/altivec.md (UNSPEC_VMRGOW_DIRECT): New constant.
5344         (p8_vmrgew_v4sf_direct): Generalize to p8_vmrgew_<mode>_direct.
5345         (p8_vmrgow_<mode>_direct): New define_insn.
5346         * config/rs6000/rs6000.c (altivec_expand_vec_perm_const): Properly
5347         handle endianness for vmrgew and vmrgow permute patterns.
5348
5349 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5350
5351         * config/rs6000/altivec.md (VParity): Remove TARGET_VSX_TIMODE.
5352         * config/rs6000/rs6000-cpus.def: Remove comment.
5353         (ISA_2_7_MASKS_SERVER): Delete OPTION_MASK_VSX_TIMODE;
5354         (POWERPC_MASKS): Likewise.
5355         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Remove unneeded
5356         use of TARGET_VSX_TIMODE.
5357         (rs6000_setup_reg_addr_masks): Change TARGET_VSX_TIMODE to TARGET_VSX.
5358         (rs6000_init_hard_regno_mode_ok): Remove unneeded uses of
5359         TARGET_VSX_TIMODE.  Change use of TARGET_VSX_TIMODE to TARGET_VSX.
5360         (rs6000_option_override_internal): Remove dead code.
5361         (rs6000_legitimize_address): Change TARGET_VSX_TIMODE to TARGET_VSX.
5362         (rs6000_legitimize_reload_address): Likewise.
5363         (rs6000_legitimate_address_p): Likewise.
5364         (rs6000_opt_masks): Delete "vsx-timode".
5365         (rs6000_disable_incompatible_switches): Remove mention of -mvsx-timode
5366         from function comment.
5367         * config/rs6000/rs6000.h (MASK_VSX_TIMODE): Delete.
5368         * config/rs6000/rs6000.md (FMOVE128_GPR): Remove TARGET_VSX_TIMODE.
5369         (V16QI, V8HI, V4SI, V4SF, V2DI, V2DF, V1TI): Remove useless empty
5370         condition.
5371         * config/rs6000/rs6000.opt (mvsx-timode): Replace with stub.
5372         * config/rs6000/vector.md (VEC_IP): Remove TARGET_VSX_TIMODE.
5373         * config/rs6000/vsx.md (VSX_LE_128): Likewise.
5374         (VSX_TI): Likewise.
5375         (VSX_M): Likewise.
5376         (define_peephole2): Likewise.
5377
5378 2017-08-17  Martin Sebor  <msebor@redhat.com>
5379
5380         PR c/81859
5381         * pretty-print.c (pp_format): Use strnlen in %.*s to avoid reading
5382         past the end of an array.
5383         (test_pp_format): Add test cases.
5384
5385 2017-08-17  Richard Sandiford  <richard.sandiford@linaro.org>
5386
5387         * internal-fn.def (CLRSB, CLZ, CTZ, FFS, PARITY, POPCOUNT): Add
5388         missing ECF_NOTHROW flags.
5389
5390 2017-08-17  Peter Bergner  <bergner@vnet.ibm.com>
5391
5392         PR target/72804
5393         * config/rs6000/vsx.md (*vsx_le_permute_<mode>): Add support for
5394         operands residing in integer registers.
5395         (*vsx_le_perm_load_<mode>): Likewise.
5396         (*vsx_le_perm_store_<mode>): Likewise.
5397         (define_peephole2): Add peepholes to optimize the above.
5398
5399 2017-08-17  Marek Polacek  <polacek@redhat.com>
5400
5401         PR middle-end/81814
5402         * fold-const.c (operand_equal_for_comparison_p): Remove code that used
5403         to mimic what shorten_compare did.  Change the return type to bool.
5404         (fold_cond_expr_with_comparison): Update call to
5405         operand_equal_for_comparison_p.
5406         (fold_ternary_loc): Likewise.
5407
5408 2017-08-17  Jackson Woodruff  <jackson.woodruff@arm.com>
5409
5410         * aarch64-simd.md (mov<mode>): No longer force zero immediate into
5411         register.
5412         (*aarch64_simd_mov<mode>): Add new case for stp using zero immediate.
5413
5414 2017-08-17  Richard Biener  <rguenther@suse.de>
5415
5416         * tree-ssa-structalias.c (solve_graph): When propagating
5417         to successors update the graphs succ edges and avoid duplicate work.
5418
5419 2017-08-17  Maxim Ostapenko  <m.ostapenko@samsung.com>
5420
5421         PR target/81861
5422         * config/i386/i386.c (ix86_option_override_internal): Save target
5423         specific options after ix86_stack_protector_guard_reg was changed.
5424
5425 2017-08-17  Richard Biener  <rguenther@suse.de>
5426
5427         PR tree-optimization/81827
5428         * tree-ssa-structalias.c (struct variable_info): Add is_reg_var flag.
5429         (new_var_info): Initialize it conservatively.
5430         (get_call_vi): Mark register vars.
5431         (new_scalar_tmp_constraint_exp): Likewise.
5432         (handle_rhs_call): Likewise.
5433         (handle_const_call): Likewise.
5434         (create_function_info_for): Likewise.
5435         (solve_constraints): Sort varinfos to separate register from
5436         non-register vars to pack points-to solution bitmaps during
5437         iteration.
5438
5439 2017-08-17  Marek Polacek  <polacek@redhat.com>
5440
5441         * gimplify.c (gimplify_adjust_omp_clauses): Compare with 0 instead of 1.
5442
5443 2017-08-17  Richard Biener  <rguenther@suse.de>
5444
5445         * tree-vrp.c (vrp_int_const_binop): Do not set *overflow_p
5446         to true when overflow is undefined and we saturated the result.
5447
5448 2017-08-17  Alan Modra  <amodra@gmail.com>
5449
5450         PR target/80938
5451         * config/rs6000/rs6000.c (rs6000_savres_strategy): Revert 2017-08-09.
5452         Don't use store multiple if only one reg needs saving.
5453         (interesting_frame_related_regno): New function.
5454         (rs6000_frame_related): Don't emit frame info for regs that
5455         don't need saving.
5456         (rs6000_emit_epilogue): Likewise.
5457
5458 2017-08-16  Nathan Sidwell  <nathan@acm.org>
5459
5460         * tree-core.h (tree_type_non_common): Rename binfo to lang_1.
5461         * tree.h (TYPE_BINFO): Use type_non_common.maxval.
5462         (TYPE_LANG_SLOT_1): Use type_non_common.lang_1, for any type.
5463         * tree.c (free_lang_data_in_type): Use else-if chain.  Always
5464         clear TYPE_LANG_1.  Remove obsolete member-function stripping.
5465         (find_decls_types_r): Comment about TYPE_MAX_VALUES_RAW.
5466         (verify_type): Adjust for TYPE_BINFO move.
5467         * lto-streamer-out.c (DFS::DFS_write_tree_body): No need to
5468         process TYPE_BINFO directly.
5469         (hash_tree): Likewise.
5470         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
5471         Likewise.
5472         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
5473         Likewise.
5474
5475 2017-08-16  David Malcolm  <dmalcolm@redhat.com>
5476
5477         * diagnostic-show-locus.c (colorizer::m_caret): Remove unused field.
5478
5479 2017-08-16  Uros Bizjak  <ubizjak@gmail.com>
5480
5481         PR target/46091
5482         * config/i386/i386.md (*anddi_1_btr): Change predicates of
5483         operand 0 and operand 1 to nomimmediate_operand. Add "m" constraint.
5484         Add ix86_binary_operator_ok to insn constraint.
5485         (*iordi_1_bts): Ditto.
5486         (*xordi_1_btc): Ditto.
5487         (*btsq): Change predicate of operand 0 to nonimmediate_operand.
5488         Update corresponding peephole2 pattern.
5489         (*btrq): Ditto.
5490         (*btcq): Ditto.
5491
5492 2017-08-16  Bin Cheng  <bin.cheng@arm.com>
5493
5494         PR tree-optimization/81832
5495         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Don't
5496         copy loop header which has IFN_LOOP_DIST_ALIAS call.
5497
5498 2017-08-16  Marek Polacek  <polacek@redhat.com>
5499
5500         PR middle/81695
5501         * fold-const.c (fold_indirect_ref_1): Restore original behavior
5502         regarding size_zero_node.
5503
5504 2017-08-16  Martin Liska  <mliska@suse.cz>
5505
5506         PR target/81753
5507         * config.gcc: Respect previously set extra_objs in case
5508         of darwin target.
5509
5510 2017-08-16  Richard Sandiford  <richard.sandiford@linaro.org>
5511
5512         PR tree-optimization/81835
5513         * tree-vect-loop.c (vect_is_simple_reduction): Simply checks for
5514         the phi SSA_NAME.  Check that the condition in a COND_EXPR does
5515         not depend on the phi.
5516
5517 2017-08-16  Alan Modra  <amodra@gmail.com>
5518
5519         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Delete
5520         dead code.
5521
5522 2017-08-16  Alan Modra  <amodra@gmail.com>
5523
5524         * config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Merge..
5525         (save_reg_p): ..into this.  Update all callers.
5526         (first_reg_to_save): Simplify.
5527
5528 2017-08-16  Alan Modra  <amodra@gmail.com>
5529
5530         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't restore
5531         fixed regs.
5532
5533 2017-08-15  Joseph Myers  <joseph@codesourcery.com>
5534
5535         PR target/78460
5536         PR target/67712
5537         * config/sh/sh-mem.cc (sh_expand_cmpnstr): Only unroll for
5538         constant count if that count is less than 32.
5539
5540 2017-08-15  Nathan Sidwell  <nathan@acm.org>
5541
5542         * gcc.c (execute): Emit friendlier message if inferior is killed
5543         by an external cause.
5544
5545 2017-08-15  Richard Biener  <rguenther@suse.de>
5546
5547         PR tree-optimization/81790
5548         * tree-ssa-sccvn.c (vn_lookup_simplify_result): Handle both
5549         CONSTRUCTORs from simplifying and VN.
5550
5551 2017-08-14  Martin Sebor  <msebor@redhat.com>
5552
5553         * builtin-attrs.def: Add comments.
5554
5555 2017-08-14  Martin Sebor  <msebor@redhat.com>
5556
5557         PR c/81117
5558         * doc/extend.texi (attribute nonstring): Document new attribute.
5559
5560 2017-08-14  Martin Sebor  <msebor@redhat.com>
5561
5562         PR c/81117
5563         * tree-diagnostic.c (default_tree_printer): Handle %G.
5564         * gimple-pretty-print.h (percent_G_format): Declare new function.
5565         * gimple-pretty-print.c (percent_G_format): Define.
5566         * tree-pretty-print.c (percent_K_format): Add argument.
5567
5568 2017-08-14  Martin Sebor  <msebor@redhat.com>
5569
5570         PR translation/79998
5571         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call):
5572         Remove a stray space.
5573
5574 2017-08-14  Uros Bizjak  <ubizjak@gmail.com>
5575
5576         PR target/46091
5577         * config/i386/i386.md (*anddi_1_btr): New insn_and_split pattern.
5578         (*iordi_1_bts): Ditto.
5579         (*xordi_1_btc): Ditto.
5580
5581 2017-08-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5582
5583         PR target/79845
5584         * config/rs6000/linux64.h (INVALID_64BIT): Use quoted strings.
5585         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
5586         Likewise.
5587         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Use
5588         quoted strings, and make more translator-friendly.
5589         (darwin_rs6000_override_options): Likewise.
5590         (rs6000_option_override_internal): Likewise.
5591         (rs6000_return_in_memory): Fix overlong line.
5592         (init_cmulative_args): Use quoted strings, and make more
5593         translator-friendly.
5594         (rs6000_pass_by_reference): Fix overlong line.
5595         (def_builtin): Use quoted strings.
5596         (altivec_expand_predicate_builtin): Use quoted strings, and make
5597         more translator-friendly.
5598         (htm_expand_builtin): Use quoted strings.
5599         (cpu_expand_builtin): Use quoted strings, and make more
5600         translator-friendly.
5601         (altivec_expand_builtin): Likewise.
5602         (paired_expand_predicate_builtin): Likewise.
5603         (rs6000_invalid_builtin): Likewise.
5604         (builtin_function_type): Use quoted strings.
5605         (rs6000_expand_split_stack_prologue): Use quoted strings, and make
5606         more translator-friendly.
5607         (rs6000_trampoline_init): Likewise.
5608         (rs6000_handle_altivec_attribute): Likewise.
5609         (rs6000_inner_target_options): Use quoted strings.
5610         (rs6000_disable_incompatible_switches): Likewise.
5611         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Use quoted
5612         strings, and make more translator-friendly.
5613         (SUBSUBTARGET_OVERRIDE_OPTIONS): Use quoted strings.
5614
5615 2017-08-14  Bin Cheng  <bin.cheng@arm.com>
5616
5617         PR tree-optimization/81799
5618         * tree-loop-distribution.c (version_loop_by_alias_check): Force
5619         cond_expr to simple gimple operand.
5620
5621 2017-08-14  Wilco Dijkstra  <wdijkstr@arm.com>
5622
5623         PR middle-end/46932
5624         * doc/sourcebuild.texi (autoincdec): Add autoincdec description.
5625
5626 2017-08-14  Georg-Johann Lay  <avr@gjlay.de>
5627
5628         PR target/81754
5629         PR target/81268
5630         * config/avr/avr.opt (mgas-isr-prologues): New Var avr_gasisr_prologues.
5631         * config/avr/avr.md (gasisr, *gasisr): Use it instead of
5632         TARGET_GASISR_PROLOGUES.
5633         * config/avr/avr.c (avr_option_override): Same.
5634         (avr_pass_pre_proep::execute): Same.
5635
5636 2017-08-13  H.J. Lu  <hongjiu.lu@intel.com>
5637
5638         PR target/81820
5639         * config/i386/i386.c (ix86_finalize_stack_frame_flags): Replace
5640         frame pointer with stack pointer - UNITS_PER_WORD in debug insns.
5641
5642 2017-08-13  Uros Bizjak  <ubizjak@gmail.com>
5643
5644         * config/i386/i386.md (*load_tp_<mode>): Redefine as
5645         define_insn_and_split.  Split to a memory load from 0 in
5646         DEFAULT_TLS_SEG_REG address space.  Merge with *load_tp_x32
5647         using PTR mode iterator.
5648         (*load_tp_x32_zext"): Redefine as define_insn_and_split.
5649         Split to a memory load from 0 in DEFAULT_TLS_SEG_REG address space.
5650         (*add_tp_<mode>): Redefine as define_insn_and_split.
5651         Split to an add with a memory load from 0 in DEFAULT_TLS_SEG_REG
5652         address space.  Merge with *add_tp_x32 using PTR mode iterator.
5653         (*add_tp_x32_zext"): Redefine as define_insn_and_split.
5654         Split to an add with a  memory load from 0 in
5655         DEFAULT_TLS_SEG_REG address space.
5656
5657 2017-08-12  Andrew Pinski  <apinski@cavium.com>
5658
5659         * config/aarch64/aarch64-option-extensions.def (rdma):
5660         Fix feature string to what Linux prints out in /proc/cpuinfo.
5661
5662 2017-08-12  Pierre-Marie de Rodat  <derodat@adacore.com>
5663
5664         PR ada/79542
5665         * dwarf2out.c (modified_type_die): For C typedef types that have
5666         an ultimate origin, process the ultimate origin instead of the
5667         input type.
5668         (gen_typedef_die): Assert that input DECLs have no ultimate
5669         origin.
5670         (gen_type_die_with_usage): For typedef variants that have an
5671         ultimate origin, just call gen_decl_die on the original DECL.
5672         (process_scope_var): Avoid creating DIEs for local typedefs and
5673         concrete static variables.
5674
5675 2017-08-12  Alan Modra  <amodra@gmail.com>
5676
5677         PR target/81170
5678         PR target/81295
5679         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Upgrade to
5680         match gnu-user.h startfile.
5681         (ENDFILE_LINUX_SPEC): Similarly.
5682
5683 2017-08-11  Thomas Schwinge  <thomas@codesourcery.com>
5684
5685         PR lto/81430
5686         * config/nvptx/nvptx.c (nvptx_override_options_after_change):
5687         Remove function.
5688         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Remove definition.
5689
5690 2017-08-11  Tamar Christina  <tamar.christina@arm.com>
5691         * config/aarch64/aarch64.md (mov<mode>): Change.
5692         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
5693         aarch64_reg_or_fp_float into aarch64_reg_or_fp_zero.
5694         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): Removed.
5695
5696 2017-08-11  Eric Botcazou  <ebotcazou@adacore.com>
5697
5698         * tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
5699         for storage order barriers.
5700
5701 2017-08-11  Martin Liska  <mliska@suse.cz>
5702
5703         PR tree-opt/79987
5704         * tree-chkp.c (chkp_get_bounds_for_decl_addr): Do not instrument
5705         variables of void type.
5706
5707 2017-08-11  Martin Liska  <mliska@suse.cz>
5708
5709         * asan.c (asan_protect_global): Replace ASM_OUTPUT_DEF with
5710         TARGET_SUPPORTS_ALIASES.
5711         * cgraph.c (cgraph_node::create_same_body_alias): Likewise.
5712         * ipa-visibility.c (can_replace_by_local_alias): Likewise.
5713         (optimize_weakref): Likewise.
5714         * symtab.c (symtab_node::noninterposable_alias): Likewise.
5715         * varpool.c (varpool_node::create_extra_name_alias): Likewise.
5716         * defaults.h: Introduce TARGET_SUPPORTS_ALIASES.
5717
5718 2017-08-11  Martin Liska  <mliska@suse.cz>
5719
5720         PR ipa/81213
5721         * config/i386/i386.c (make_resolver_func): Do complete
5722         refactoring of the function.
5723
5724 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5725
5726         PR target/81708
5727         * config/i386/i386.opt (mstack-protector-guard-symbol=): New option
5728         * config/i386/i386.c (ix86_stack_protect_guard): Use
5729         ix86_stack_protect_guard_symbol_str to generate varible declaration.
5730         * doc/invoke.texi (x86 Options): Document
5731         -mstack-protector-guard-symbol= option.
5732
5733 2017-08-10  Uros Bizjak  <ubizjak@gmail.com>
5734
5735         * config/i386/i386-protos.h (ix86_split_stack_guard): New prototype.
5736         * config/i386/i386.c (ix86_split_stack_guard): New function.
5737         (ix86_xpand_split_stack_prologue): Call ix86_split_stack_guard.
5738         (ix86_legitimate_address_p) <case UNSPEC_STACK_CHECK>: Remove.
5739         (i386_asm_output_addr_const_extra) <case UNSPEC_STACK_CHECK>: Ditto.
5740         (optput_pic_addr_const): Remove UNSPEC_STACK_CHECK handling.
5741         * config/i386/i386.md (unspec): Remove UNSPEC_STACK_CHECK.
5742         (split_stack_space_check): Call ix86_split_stack_guard.
5743
5744 2017-08-10  Martin Sebor  <msebor@redhat.com>
5745
5746         * print-tree.c (print_node): Print location using the established
5747         format %s:%i%i.
5748         Replace spaces with colons.
5749         (debug_raw, debug): Ditto.
5750
5751 2017-08-10  Martin Sebor  <msebor@redhat.com>
5752
5753         PR c++/81586
5754         * pretty-print.c (pp_format): Correct the handling of %s precision.
5755
5756 2017-08-10  H.J. Lu  <hongjiu.lu@intel.com>
5757
5758         PR target/81736
5759         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
5760         to ...
5761         (ix86_finalize_stack_frame_flags): This.  Also clear
5762         frame_pointer_needed if -fno-omit-frame-pointer is used without
5763         stack access.
5764         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
5765         with ix86_finalize_stack_frame_flags.
5766         (ix86_expand_epilogue): Likewise.
5767         (ix86_expand_split_stack_prologue): Likewise.
5768         * doc/invoke.texi: Add a note for -fno-omit-frame-pointer.
5769
5770 2017-08-10  Martin Liska  <mliska@suse.cz>
5771
5772         PR c++/81355
5773         * c-attribs.c (handle_target_attribute):
5774         Report warning for an empty string argument of target attribute.
5775
5776 2017-08-09  Jakub Jelinek  <jakub@redhat.com>
5777
5778         PR c/81687
5779         * omp-low.c (omp_copy_decl): Don't remap FORCED_LABEL or DECL_NONLOCAL
5780         LABEL_DECLs.
5781         * tree-cfg.c (move_stmt_op): Don't adjust DECL_CONTEXT of FORCED_LABEL
5782         or DECL_NONLOCAL labels.
5783         (move_stmt_r) <case GIMPLE_LABEL>: Adjust DECL_CONTEXT of FORCED_LABEL
5784         or DECL_NONLOCAL labels here.
5785
5786 2017-08-09  Will Schmidt  <will_schmidt@vnet.ibm.com>
5787
5788         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add blurb
5789         to indicate when early gimple folding has been disabled.
5790         (rs6000_gimple_fold_builtin): Add debug content.
5791         (rs6000_invalid_builtin): Fix whitespace.
5792         (rs6000_expand_builtin): Fix whitespace.
5793         * config/rs6000/rs6000.opt: Add option for -mfold-gimple.
5794
5795 2017-08-09  Segher Boessenkool  <segher@kernel.crashing.org>
5796
5797         PR target/80938
5798         * config/rs6000/rs6000.c (rs6000_savres_strategy): Don't use
5799         SAVE_MULTIPLE if not all the registers that saves, should be saved.
5800
5801 2017-08-09  Jim Wilson  <jim.wilson@linaro.org>
5802
5803         * config/aarch64/aarch64-cores.def (falkor): Use falkor pipeline.
5804         (qdf24xx): Likewise.
5805         * config/aarch64/aarch64.md: Include falkor.md.
5806         * config/aarch64/falkor.md: New.
5807
5808 2017-08-09  Marek Polacek  <polacek@redhat.com>
5809
5810         PR c/81233
5811         * diagnostic-core.h (emit_diagnostic_valist): Add declaration.
5812         * diagnostic.c (emit_diagnostic): Add a comment.
5813         (emit_diagnostic_valist): New function.
5814
5815 2017-08-09  Marek Polacek  <polacek@redhat.com>
5816
5817         PR c/81417
5818         * input.c (make_location): New overload.
5819         * input.h (make_location): Declare.
5820
5821 2017-08-08  Alan Modra  <amodra@gmail.com>
5822             H.J. Lu  <hongjiu.lu@intel.com>
5823
5824         PR driver/81523
5825         * gcc.c (NO_PIE_SPEC): Delete.
5826         (PIE_SPEC): Define as !no-pie/pie.  Move static|shared|r
5827         exclusion..
5828         (LINK_PIE_SPEC): ..to here.
5829         (LINK_COMMAND_SPEC): Support -no-pie.
5830         * config/gnu-user.h (GNU_USER_TARGET_STARTFILE_SPEC): Correct
5831         chain of crtbegin*.o selection, update for PIE_SPEC changes and
5832         format.
5833         (GNU_USER_TARGET_ENDFILE_SPEC): Similarly.
5834         * config/sol2.h (STARTFILE_CRTBEGIN_SPEC): Similarly.
5835         (ENDFILE_CRTEND_SPEC): Similarly.
5836
5837 2017-08-08  Uros Bizjak  <ubizjak@gmail.com>
5838
5839         PR target/81708
5840         * config/i386/i386.opt (mstack-protector-guard-reg=): New option
5841         (mstack-protector-guard-offset=): Ditto.
5842         * config/i386/i386.c (ix86_option_override): Handle
5843         -mstack-protector-guard-reg= and -mstack-protector-guard-offset=
5844         options.
5845         (ix86_stack_protect_guard): Use ix86_stack_protect_guard_reg and
5846         ix86_stack_protect_guard_offset variables.
5847         (TARGET_STACK_PROTECT_GUARD): Always define.
5848         * doc/invoke.texi (x86 Options): Document -mstack-protector-guard-reg=
5849         and -mstack-protector-guard-offset= options.
5850
5851 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5852
5853         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): Handle
5854         boundary case for the last candidate.
5855
5856 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5857
5858         * doc/invoke.texi: Document -ftree-loop-distribution for O3.
5859         * opts.c (default_options_table): Add OPT_ftree_loop_distribution.
5860
5861 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5862
5863         PR middle-end/19706
5864         * config/aarch64/aarch64.md (xorsign<mode>3): New optabs.
5865         * config/aarch64/aarch64-builtins.c
5866         (aarch64_builtin_vectorized_function): Added CASE_CFN_XORSIGN.
5867         * config/aarch64/aarch64-simd-builtins.def: Added xorsign BINOP.
5868         * config/aarch64/aarch64-simd.md: Added xorsign<mode>3
5869
5870 2017-08-08  Tamar Christina  <tamar.christina@arm.com>
5871             Andrew Pinski <pinskia@gmail.com>
5872
5873         PR middle-end/19706
5874         * internal-fn.def (XORSIGN): New.
5875         * optabs.def (xorsign_optab): New.
5876         * tree-ssa-math-opts.c (is_copysign_call_with_1): New.
5877         (convert_expand_mult_copysign): New.
5878         (pass_optimize_widening_mul::execute): Call
5879         convert_expand_mult_copysign.
5880
5881 2017-08-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
5882
5883         PR tree-optimization/81354
5884         * gimple-ssa-strength-reduction.c (create_add_on_incoming_edge):
5885         Insert on edges rather than explicitly creating landing pads.
5886         (analyze_candidates_and_replace): Commit edge inserts.
5887
5888 2017-08-08  Richard Biener  <rguenther@suse.de>
5889
5890         PR middle-end/81719
5891         * tree-ssa-loop-niter.c: Include tree-dfa.h.
5892         (expand_simple_operations): Also look through ADDR_EXPRs with
5893         MEM_REF bases treating them as POINTER_PLUS_EXPR.
5894
5895 2017-08-08  Richard Biener  <rguenther@suse.de>
5896
5897         PR tree-optimization/81723
5898         * tree-vect-slp.c (struct bst_traits): New hash traits.
5899         (bst_fail): New global.
5900         (vect_build_slp_tree_2): New worker, split out from ...
5901         (vect_build_slp_tree): ... this now wrapping it with using
5902         bst_fail set to cache SLP tree build fails.  Properly handle
5903         max_tree_size.
5904         (vect_analyze_slp_instance): Allocate and free bst_fail.
5905
5906 2017-08-08  Martin Liska  <mliska@suse.cz>
5907
5908         PR tree-opt/81696
5909         * ipa-icf-gimple.c (func_checker::compare_cst_or_decl): Consider
5910         LABEL_DECLs that can be from a different function.
5911
5912 2017-08-08  Bin Cheng  <bin.cheng@arm.com>
5913
5914         PR tree-optimization/81744
5915         * tree-predcom.c (prepare_finalizers_chain): Deep copy expr of
5916         loop's number of iterations.
5917
5918 2017-08-08  Martin Liska  <mliska@suse.cz>
5919
5920         * asan.c: Include header files.
5921         * attribs.c (build_decl_attribute_variant): New function moved
5922         from tree.[ch].
5923         (build_type_attribute_qual_variant): Likewise.
5924         (cmp_attrib_identifiers): Likewise.
5925         (simple_cst_list_equal): Likewise.
5926         (omp_declare_simd_clauses_equal): Likewise.
5927         (attribute_value_equal): Likewise.
5928         (comp_type_attributes): Likewise.
5929         (build_type_attribute_variant): Likewise.
5930         (lookup_ident_attribute): Likewise.
5931         (remove_attribute): Likewise.
5932         (merge_attributes): Likewise.
5933         (merge_type_attributes): Likewise.
5934         (merge_decl_attributes): Likewise.
5935         (merge_dllimport_decl_attributes): Likewise.
5936         (handle_dll_attribute): Likewise.
5937         (attribute_list_equal): Likewise.
5938         (attribute_list_contained): Likewise.
5939         * attribs.h (lookup_attribute): New function moved from tree.[ch].
5940         (lookup_attribute_by_prefix): Likewise.
5941         * bb-reorder.c: Include header files.
5942         * builtins.c: Likewise.
5943         * calls.c: Likewise.
5944         * cfgexpand.c: Likewise.
5945         * cgraph.c: Likewise.
5946         * cgraphunit.c: Likewise.
5947         * convert.c: Likewise.
5948         * dwarf2out.c: Likewise.
5949         * final.c: Likewise.
5950         * fold-const.c: Likewise.
5951         * function.c: Likewise.
5952         * gimple-expr.c: Likewise.
5953         * gimple-fold.c: Likewise.
5954         * gimple-pretty-print.c: Likewise.
5955         * gimple.c: Likewise.
5956         * gimplify.c: Likewise.
5957         * hsa-common.c: Likewise.
5958         * hsa-gen.c: Likewise.
5959         * internal-fn.c: Likewise.
5960         * ipa-chkp.c: Likewise.
5961         * ipa-cp.c: Likewise.
5962         * ipa-devirt.c: Likewise.
5963         * ipa-fnsummary.c: Likewise.
5964         * ipa-inline.c: Likewise.
5965         * ipa-visibility.c: Likewise.
5966         * ipa.c: Likewise.
5967         * lto-cgraph.c: Likewise.
5968         * omp-expand.c: Likewise.
5969         * omp-general.c: Likewise.
5970         * omp-low.c: Likewise.
5971         * omp-offload.c: Likewise.
5972         * omp-simd-clone.c: Likewise.
5973         * opts-global.c: Likewise.
5974         * passes.c: Likewise.
5975         * predict.c: Likewise.
5976         * sancov.c: Likewise.
5977         * sanopt.c: Likewise.
5978         * symtab.c: Likewise.
5979         * toplev.c: Likewise.
5980         * trans-mem.c: Likewise.
5981         * tree-chkp.c: Likewise.
5982         * tree-eh.c: Likewise.
5983         * tree-into-ssa.c: Likewise.
5984         * tree-object-size.c: Likewise.
5985         * tree-parloops.c: Likewise.
5986         * tree-profile.c: Likewise.
5987         * tree-ssa-ccp.c: Likewise.
5988         * tree-ssa-live.c: Likewise.
5989         * tree-ssa-loop.c: Likewise.
5990         * tree-ssa-sccvn.c: Likewise.
5991         * tree-ssa-structalias.c: Likewise.
5992         * tree-ssa.c: Likewise.
5993         * tree-streamer-in.c: Likewise.
5994         * tree-vectorizer.c: Likewise.
5995         * tree-vrp.c: Likewise.
5996         * tsan.c: Likewise.
5997         * ubsan.c: Likewise.
5998         * varasm.c: Likewise.
5999         * varpool.c: Likewise.
6000         * tree.c: Remove functions moved to attribs.[ch].
6001         * tree.h: Likewise.
6002         * config/aarch64/aarch64.c: Add attrs.h header file.
6003         * config/alpha/alpha.c: Likewise.
6004         * config/arc/arc.c: Likewise.
6005         * config/arm/arm.c: Likewise.
6006         * config/avr/avr.c: Likewise.
6007         * config/bfin/bfin.c: Likewise.
6008         * config/c6x/c6x.c: Likewise.
6009         * config/cr16/cr16.c: Likewise.
6010         * config/cris/cris.c: Likewise.
6011         * config/darwin.c: Likewise.
6012         * config/epiphany/epiphany.c: Likewise.
6013         * config/fr30/fr30.c: Likewise.
6014         * config/frv/frv.c: Likewise.
6015         * config/ft32/ft32.c: Likewise.
6016         * config/h8300/h8300.c: Likewise.
6017         * config/i386/winnt.c: Likewise.
6018         * config/ia64/ia64.c: Likewise.
6019         * config/iq2000/iq2000.c: Likewise.
6020         * config/lm32/lm32.c: Likewise.
6021         * config/m32c/m32c.c: Likewise.
6022         * config/m32r/m32r.c: Likewise.
6023         * config/m68k/m68k.c: Likewise.
6024         * config/mcore/mcore.c: Likewise.
6025         * config/microblaze/microblaze.c: Likewise.
6026         * config/mips/mips.c: Likewise.
6027         * config/mmix/mmix.c: Likewise.
6028         * config/mn10300/mn10300.c: Likewise.
6029         * config/moxie/moxie.c: Likewise.
6030         * config/msp430/msp430.c: Likewise.
6031         * config/nds32/nds32-isr.c: Likewise.
6032         * config/nds32/nds32.c: Likewise.
6033         * config/nios2/nios2.c: Likewise.
6034         * config/nvptx/nvptx.c: Likewise.
6035         * config/pa/pa.c: Likewise.
6036         * config/pdp11/pdp11.c: Likewise.
6037         * config/powerpcspe/powerpcspe.c: Likewise.
6038         * config/riscv/riscv.c: Likewise.
6039         * config/rl78/rl78.c: Likewise.
6040         * config/rx/rx.c: Likewise.
6041         * config/s390/s390.c: Likewise.
6042         * config/sh/sh.c: Likewise.
6043         * config/sol2.c: Likewise.
6044         * config/sparc/sparc.c: Likewise.
6045         * config/spu/spu.c: Likewise.
6046         * config/stormy16/stormy16.c: Likewise.
6047         * config/tilegx/tilegx.c: Likewise.
6048         * config/tilepro/tilepro.c: Likewise.
6049         * config/v850/v850.c: Likewise.
6050         * config/vax/vax.c: Likewise.
6051         * config/visium/visium.c: Likewise.
6052         * config/xtensa/xtensa.c: Likewise.
6053
6054 2017-08-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
6055
6056         PR target/81593
6057         * config/rs6000/vsx.md (vsx_concat_<mode>, VSX_D): Cleanup
6058         constraints since the -mupper-regs-* switches have been
6059         eliminated.
6060         (vsx_concat_<mode>_1): New combiner insns to recognize inserting
6061         into a vector from a double word element that was extracted from
6062         another vector, and eliminate extra XXPERMDI instructions.
6063         (vsx_concat_<mode>_2): Likewise.
6064         (vsx_concat_<mode>_3): Likewise.
6065         (vsx_set_<mode>, VSX_D): Rewrite vector set in terms of vector
6066         concat to allow optimizing inserts from previous extracts.
6067
6068 2017-08-07  Uros Bizjak  <ubizjak@gmail.com>
6069
6070         * config/i386/i386.c (ix86_stack_protect_guard): Generate
6071         memory reference to a SSP offset in TLS address space.
6072         (ix86_print_operand) <case '@'>: Remove.
6073         (ix86_print_operand_punct_valid_p): Remove '@' code.
6074         * config/i386/i386.md (unspec): Remove UNSPEC_SP_TLS_SET and
6075         UNSPEC_SP_TLS_TEST.
6076         (stack_tls_protect_set_<mode>): Remove.
6077         (stack_protect_set): Do not call gen_stack_tls_protect_set_<mode>.
6078         (stack_tls_protect_test_<mode>): Remove.
6079         (stack_protect_test): Do not call gen_stack_tls_protect_test_<mode>.
6080
6081 2017-08-07  Olivier Hainque  <hainque@adacore.com>
6082
6083         PR target/81755
6084         * config/vxworksae.h (VXWORKS_HAVE_TLS): Define.
6085
6086 2017-08-07  Douglas Rupp  <rupp@adacore.com>
6087
6088         * Makefile.in (install-mkheaders): Fix typo, where the multi_dir
6089         variable was referenced as multidir in command.
6090
6091 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6092
6093         PR c/69389
6094         * gimplify.c (goa_stabilize_expr): Handle BIT_INSERT_EXPR and
6095         BIT_FIELD_REF.
6096
6097 2017-08-07  Martin Liska  <mliska@suse.cz>
6098
6099         * config/m32c/m32c.c: Add include of stringpool.h and attribs.h.
6100         * config/rl78/rl78.c: Add include of attribs.h.
6101         * config/sh/sh.c: Likewise.
6102         * config/v850/v850.c: Likewise.
6103
6104 2017-08-07  Tom de Vries  <tom@codesourcery.com>
6105
6106         PR middle-end/78266
6107         * omp-expand.c (expand_oacc_for): Ensure diff_type is large enough.
6108
6109 2017-08-07  Martin Liska  <mliska@suse.cz>
6110
6111         * config/mips/mips.c: Include attribs.h.
6112
6113 2017-08-07  Thomas Koenig  <tkoenig@gcc.gnu.org>
6114
6115         PR fortran/68829
6116         * doc/invoke.texi: Document change in behvaior for -Ofast for
6117         Fortran.
6118
6119 2017-08-07  Wilco Dijkstra  <wdijkstr@arm.com>
6120
6121         * config/aarch64/aarch64.c (aarch64_pushwb_single_reg):
6122         Use gen_frame_mem.
6123         (aarch64_pop_regs): Likewise.
6124         (aarch64_gen_load_pair): Likewise.
6125         (aarch64_save_callee_saves): Likewise.
6126         (aarch64_restore_callee_saves): Likewise.
6127
6128 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6129
6130         * config/i386/i386.c: Revert the last change.
6131
6132 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6133
6134         PR target/81736
6135         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Renamed
6136         to ...
6137         (ix86_finalize_stack_frame_flags): This.  Also clear
6138         frame_pointer_needed if -fno-omit-frame-pointer is used without
6139         stack access.
6140         (ix86_expand_prologue): Replace ix86_finalize_stack_realign_flags
6141         with ix86_finalize_stack_frame_flags.
6142         (ix86_expand_epilogue): Likewise.
6143         (ix86_expand_split_stack_prologue): Likewise.
6144
6145 2017-08-07  H.J. Lu  <hongjiu.lu@intel.com>
6146
6147         PR target/81743
6148         * config/i386/i386.c (get_builtin_code_for_version): Set priority
6149         to P_AES for Westmere.
6150
6151 2017-08-07  Jonathan Yong  <10walls@gmail.com>
6152
6153         * config/i386/mingw.opt (fset-stack-executable): Removed.
6154         * config/i386/cygming.opt (fset-stack-executable): Moved
6155         from mingw.opt.
6156         * config/i386/cygwin.h: Define CHECK_EXECUTE_STACK_ENABLED.
6157
6158 2017-08-07  Segher Boessenkool  <segher@kernel.crashing.org>
6159
6160         * print-rtl.c (print_exp): Print NOT as "~" instead of as "!".
6161
6162 2017-08-07  Marek Polacek  <polacek@redhat.com>
6163
6164         PR middle-end/81737
6165         * fold-const.c (fold_indirect_ref_1): Check type_domain.
6166
6167 2017-08-07  Martin Liska  <mliska@suse.cz>
6168
6169         * attribs.h (canonicalize_attr_name): New function.
6170         (cmp_attribs): Move from c-format.c and adjusted.
6171         (is_attribute_p): Moved from tree.h.
6172         * tree-inline.c: Add new includes.
6173         * tree.c (cmp_attrib_identifiers): Use cmp_attribs.
6174         (private_is_attribute_p): Remove.
6175         (private_lookup_attribute): Likewise.
6176         (private_lookup_attribute_by_prefix): Simplify.
6177         (remove_attribute): Use is_attribute_p.
6178         * tree.h: Remove removed declarations.
6179
6180 2017-08-07  Jakub Jelinek  <jakub@redhat.com>
6181
6182         PR middle-end/81698
6183         * stmt.c (emit_case_dispatch_table): Add DEFAULT_EDGE argument,
6184         instead of computing it in the function.  Formatting fix.
6185         (expand_case): Don't rely on default_edge being the first edge,
6186         clear it if removing it, pass default_edge to
6187         emit_case_dispatch_table.
6188         (expand_sjlj_dispatch_table): Pass NULL as DEFAULT_EDGE, formatting
6189         fix.
6190
6191 2017-08-06  Uros Bizjak  <ubizjak@gmail.com>
6192
6193         * config/alpha/alpha.c (alpha_reorg): If trap is the last active
6194         insn in the function, emit NOP after the insn.
6195
6196 2017-08-06  Tom de Vries  <tom@codesourcery.com>
6197
6198         * omp-expand.c (expand_oacc_for): Add missing edge probability for tile
6199         and element loops.
6200
6201 2017-08-06  Tom de Vries  <tom@codesourcery.com>
6202
6203         * omp-expand.c (expand_oacc_for): Add missing edge probability for chunk
6204         loop.
6205
6206 2017-08-04  Yury Gribov  <tetra2005@gmail.com>
6207
6208         PR tree-optimization/57371
6209         * match.pd: New pattern.
6210
6211 2017-08-04  Marek Polacek  <polacek@redhat.com>
6212
6213         PR middle-end/81695
6214         * fold-const.c (fold_indirect_ref_1): For ((int *)&a + 4 -> a[1],
6215         perform the computation in offset_int.
6216
6217 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6218
6219         PR tree-optimization/81136
6220         * tree-vectorizer.h: Include tree-hash-traits.h.
6221         (vec_base_alignments): New typedef.
6222         (vec_info): Add a base_alignments field.
6223         (vect_record_base_alignments): Declare.
6224         * tree-data-ref.h (data_reference): Add an is_conditional_in_stmt
6225         field.
6226         (DR_IS_CONDITIONAL_IN_STMT): New macro.
6227         (create_data_ref): Add an is_conditional_in_stmt argument.
6228         * tree-data-ref.c (create_data_ref): Likewise.  Use it to initialize
6229         the is_conditional_in_stmt field.
6230         (data_ref_loc): Add an is_conditional_in_stmt field.
6231         (get_references_in_stmt): Set the is_conditional_in_stmt field.
6232         (find_data_references_in_stmt): Update call to create_data_ref.
6233         (graphite_find_data_references_in_stmt): Likewise.
6234         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
6235         * tree-vect-data-refs.c (vect_analyze_data_refs): Likewise.
6236         (vect_record_base_alignment): New function.
6237         (vect_record_base_alignments): Likewise.
6238         (vect_compute_data_ref_alignment): Adjust base_addr and aligned_to
6239         for nested statements even if we fail to compute a misalignment.
6240         Use pooled base alignments for unconditional references.
6241         (vect_find_same_alignment_drs): Compare base addresses instead
6242         of base objects.
6243         (vect_analyze_data_refs_alignment): Call vect_record_base_alignments.
6244         * tree-vect-slp.c (vect_slp_analyze_bb_1): Likewise.
6245
6246 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6247
6248         * tree-vectorizer.h (vec_info): Add a constructor and destructor.
6249         Add an explicit name for the enum.  Use auto_vec for slp_instances
6250         and grouped_stores.
6251         (_loop_vec_info): Add a constructor and destructor.  Use auto_vec
6252         for all vectors.
6253         (_bb_vec_info): Add a constructor and destructor.
6254         (vinfo_for_stmt): Return NULL for uids of -1 as well.
6255         (destroy_loop_vec_info): Delete.
6256         (vect_destroy_datarefs): Likewise.
6257         * tree-vectorizer.c (vect_destroy_datarefs): Delete.
6258         (vec_info::vec_info): New function.
6259         (vec_info::~vec_info): Likewise.
6260         (vectorize_loops): Use delete instead of destroy_loop_vec_info.
6261         * tree-parloops.c (gather_scalar_reductions): Use delete instead of
6262         destroy_loop_vec_info.
6263         * tree-vect-loop.c (new_loop_vec_info): Replace with...
6264         (_loop_vec_info::_loop_vec_info): ...this.
6265         (destroy_loop_vec_info): Replace with...
6266         (_loop_vec_info::~_loop_vec_info): ...this.  Unconditionally delete
6267         the stmt_vec_infos.  Leave handling of vec_info information to its
6268         destructor.  Remove explicit vector releases.
6269         (vect_analyze_loop_form): Use new instead of new_loop_vec_info.
6270         (vect_analyze_loop): Use delete instead of destroy_loop_vec_info.
6271         * tree-vect-slp.c (new_bb_vec_info): Replace with...
6272         (_bb_vec_info::_bb_vec_info): ...this.  Don't reserve space in
6273         BB_VINFO_GROUPED_STORES or BB_VINFO_SLP_INSTANCES.
6274         (destroy_bb_vec_info): Replace with...
6275         (_bb_vec_info::~_bb_vec_info): ...this.  Leave handling of vec_info
6276         information to its destructor.
6277         (vect_slp_analyze_bb_1): Use new and delete instead of
6278         new_bb_vec_info and destroy_bb_vec_info.
6279         (vect_slp_bb): Replace 2 calls to destroy_bb_vec_info with a
6280         single delete.
6281
6282 2017-08-04  Richard Sandiford  <richard.sandiford@linaro.org>
6283
6284         * tree-data-ref.h (subscript): Add access_fn field.
6285         (data_dependence_relation): Add could_be_independent_p.
6286         (SUB_ACCESS_FN, DDR_COULD_BE_INDEPENDENT_P): New macros.
6287         (same_access_functions): Move to tree-data-ref.c.
6288         * tree-data-ref.c (ref_contains_union_access_p): New function.
6289         (access_fn_component_p): Likewise.
6290         (access_fn_components_comparable_p): Likewise.
6291         (dr_analyze_indices): Add a reference to access_fn_component_p.
6292         (dump_data_dependence_relation): Use SUB_ACCESS_FN instead of
6293         DR_ACCESS_FN.
6294         (constant_access_functions): Likewise.
6295         (add_other_self_distances): Likewise.
6296         (same_access_functions): Likewise.  (Moved from tree-data-ref.h.)
6297         (initialize_data_dependence_relation): Use XCNEW and remove
6298         explicit zeroing of DDR_REVERSED_P.  Look for a subsequence
6299         of access functions that have the same type.  Allow the
6300         subsequence to end with different bases in some circumstances.
6301         Record the chosen access functions in SUB_ACCESS_FN.
6302         (build_classic_dist_vector_1): Replace ddr_a and ddr_b with
6303         a_index and b_index.  Use SUB_ACCESS_FN instead of DR_ACCESS_FN.
6304         (subscript_dependence_tester_1): Likewise dra and drb.
6305         (build_classic_dist_vector): Update calls accordingly.
6306         (subscript_dependence_tester): Likewise.
6307         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Check
6308         DDR_COULD_BE_INDEPENDENT_P.
6309         * tree-vectorizer.h (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Test
6310         comp_alias_ddrs instead of may_alias_ddrs.
6311         * tree-vect-data-refs.c (vect_analyze_possibly_independent_ddr):
6312         New function.
6313         (vect_analyze_data_ref_dependence): Use it if
6314         DDR_COULD_BE_INDEPENDENT_P, but fall back to using the recorded
6315         distance vectors if that fails.
6316         (dependence_distance_ge_vf): New function.
6317         (vect_prune_runtime_alias_test_list): Use it.  Don't clear
6318         LOOP_VINFO_MAY_ALIAS_DDRS.
6319
6320 2017-08-04  Richard Biener  <rguenther@suse.de>
6321
6322         PR middle-end/81705
6323         * fold-const.c (fold_binary_loc): Properly restrict
6324         minus_var0 && minus_var1 case when associating undefined overflow
6325         entities.
6326
6327 2017-08-04  Tom de Vries  <tom@codesourcery.com>
6328
6329         * omp-simd-clone.c (simd_clone_adjust): Add missing edge probability.
6330
6331 2017-08-03  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
6332
6333         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
6334         Don't start diagnostic messages with a capital letter.
6335         * config/rs6000/rs6000.c (rs6000_option_override_internal):
6336         Likewise.
6337         (rs6000_invalid_builtin): Likewise.
6338         (rs6000_trampoline_init): Likewise.
6339
6340 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6341
6342         PR target/81621
6343         * bb-reorder.c (pass_partition_blocks::execute): Return TODO_df_finish
6344         after setting changeable df flags.
6345
6346 2017-08-03  Richard Biener  <rguenther@suse.de>
6347
6348         * tree-ssa-reassoc.c (should_break_up_subtract): Also break
6349         up if the use is in USE - X.
6350
6351 2017-08-03  Alexander Monakov  <amonakov@ispras.ru>
6352
6353         * toplev.c (dumpfile.h): New include.
6354         (internal_error_reentered): New static function.  Use it...
6355         (internal_error_function): ...here to handle reentered internal_error.
6356
6357 2017-08-03  Richard Biener  <rguenther@suse.de>
6358
6359         PR middle-end/81148
6360         * fold-const.c (split_tree): Add minus_var and minus_con
6361         arguments, remove unused loc arg.  Never generate NEGATE_EXPRs
6362         here but always use minus_*.
6363         (associate_trees): Assert we never associate with MINUS_EXPR
6364         and NULL first operand.  Do not recurse for PLUS_EXPR operands
6365         when associating as MINUS_EXPR either.
6366         (fold_binary_loc): Track minus_var and minus_con.
6367
6368 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6369
6370         PR lto/81430
6371         * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): If
6372         ACCEL_COMPILER, apply finish_options on
6373         DECL_FUNCTION_SPECIFIC_OPTIMIZATION.
6374
6375 2017-08-03  Tom de Vries  <tom@codesourcery.com>
6376
6377         PR target/81662
6378         * config/nvptx/nvptx.c (nvptx_option_override): Emit sorry if
6379         function_entry_patch_area_size > 0.
6380
6381 2017-08-03  Jakub Jelinek  <jakub@redhat.com>
6382
6383         PR driver/81650
6384         * calls.c (alloc_max_size): Use HOST_WIDE_INT_UC (10??)
6385         instead of 10??LU, perform unit multiplication in wide_int,
6386         don't change alloc_object_size_limit if the limit is larger
6387         than SSIZE_MAX.
6388
6389         PR tree-optimization/81655
6390         PR tree-optimization/81588
6391         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): Handle also
6392         the case when ranges[i].low and high are 1 for unsigned type with
6393         precision 1.
6394
6395         PR middle-end/81052
6396         * omp-low.c (diagnose_sb_0): Handle flag_openmp_simd like flag_openmp.
6397         (pass_diagnose_omp_blocks::gate): Enable also for flag_openmp_simd.
6398
6399 2017-08-03  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
6400
6401         * tree-vrp.h: Add include guard.
6402
6403 2017-08-02  Uros Bizjak  <ubizjak@gmail.com>
6404
6405         PR target/81644
6406         * config/i386/i386.md (unspecv): Add UNSPECV_UD2.
6407         (ud2): New insn pattern.
6408         * config/i386/i386.c (ix86_expand_epilogue):
6409         For naked functions, generate ud2 instead of trap insn.
6410
6411 2017-08-02  Marek Polacek  <polacek@redhat.com>
6412
6413         PR other/81667
6414         * alloc-pool.h (base_pool_allocator): Initialize m_elt_size.
6415
6416 2017-08-02  Tom de Vries  <tom@codesourcery.com>
6417             Cesar Philippidis  <cesar@codesourcery.com>
6418
6419         * config/nvptx/nvptx.c (nvptx_lockless_update, nvptx_lockfull_update):
6420         Add missing edge probabilities.
6421
6422 2017-08-02  Tamar Christina  <tamar.christina@arm.com>
6423
6424         * config/aarch64/aarch64.c (aarch64_reinterpret_float_as_int):
6425         Correct endianness.
6426
6427 2017-08-02  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR middle-end/79499
6430         * function.c (thread_prologue_and_epilogue_insns): Determine blocks
6431         for find_many_sub_basic_blocks bitmap by looking up BLOCK_FOR_INSN
6432         of first NONDEBUG_INSN_P in each of the split_prologue_seq and
6433         prologue_seq sequences - if any.
6434
6435 2017-08-02  Richard Biener  <rguenther@suse.de>
6436
6437         * tree-vect-stmts.c (vectorizable_store): Perform vector extracts
6438         via vectors if supported, integer extracts via punning if supported
6439         or otherwise vector extracts.
6440
6441 2017-08-02  Richard Biener  <rguenther@suse.de>
6442
6443         * tree-ssa-pre.c (bitmap_insert_into_set_1): Remove and inline
6444         into ...
6445         (bitmap_insert_into_set): ... this.
6446
6447 2017-08-02  Richard Biener  <rguenther@suse.de>
6448
6449         PR tree-optimization/81633
6450         Revert
6451         2015-08-17  Alan Hayward  <alan.hayward@arm.com>
6452
6453         PR tree-optimization/71752
6454         * tree-vect-slp.c (vect_get_slp_defs): Handle null operands.
6455
6456 2017-08-01  Daniel Santos  <daniel.santos@pobox.com>
6457
6458         * config/i386/i386.h (ix86_frame::outlined_save_offset): Remove field.
6459         (machine_function::call_ms2sysv_pad_out): Remove field.
6460         * config/i386/i386.c (xlogue_layout::get_stack_space_used): Modify.
6461         (ix86_compute_frame_layout): Likewise.
6462
6463 2017-08-01  H.J. Lu  <hongjiu.lu@intel.com>
6464
6465         PR target/81654
6466         * config/i386/i386.c (ix86_set_func_type): Disallow naked
6467         attribute with interrupt attribute.
6468
6469 2017-08-01  Andrew Pinski  <apinski@cavium.com>
6470
6471         * tree-ssa-scopedtables.c (hashable_expr_equal_p): Check
6472         BIT_INSERT_EXPR's operand 1
6473         to see if the types precision matches.
6474
6475 2017-08-01  Martin Liska  <mliska@suse.cz>
6476
6477         PR middle-end/70140
6478         * builtins.c (expand_builtin_memcpy_args): Remove.
6479         (expand_builtin_memcpy): Call newly added function
6480         expand_builtin_memory_copy_args.
6481         (expand_builtin_memcpy_with_bounds): Likewise.
6482         (expand_builtin_mempcpy): Remove last argument.
6483         (expand_builtin_mempcpy_with_bounds): Likewise.
6484         (expand_builtin_memory_copy_args): New function created from
6485         expand_builtin_mempcpy_args with small modifications.
6486         (expand_builtin_mempcpy_args): Remove.
6487         (expand_builtin_stpcpy): Remove unused argument.
6488         (expand_builtin): Likewise.
6489         (expand_builtin_with_bounds): Likewise.
6490
6491 2017-08-01  Martin Liska  <mliska@suse.cz>
6492
6493         Revert r250771
6494         Make mempcpy more optimal (PR middle-end/70140).
6495
6496 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6497
6498         PR target/81622
6499         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): For
6500         __builtin_vec_cmpne verify both arguments are compatible vectors
6501         before looking at TYPE_MODE on the element type.  For __builtin_vec_ld
6502         verify arg1_type is a pointer or array type.  For __builtin_vec_st,
6503         move computation of aligned to after checking the argument types.
6504         Formatting fixes.
6505
6506         PR target/80846
6507         * config/rs6000/vsx.md (vextract_fp_from_shorth,
6508         vextract_fp_from_shortl): Add element mode after mode in gen_vec_init*
6509         calls.
6510
6511 2017-08-01  Jerome Lambourg  <lambourg@adacore.com>
6512             Doug Rupp  <rupp@adacore.com>
6513             Olivier Hainque  <hainque@adacore.com>
6514
6515         * config.gcc (arm-wrs-vxworks*): Rework to handle arm-wrs-vxworks7 as
6516         well as arm-wrs-vxworks. Update target_cpu_name from arm6 (arch v3) to
6517         arm8 (arch v4).
6518         * config/arm/vxworks.h (MAYBE_TARGET_BPABI_CPP_BUILTINS): New, helper
6519         for TARGET_OS_CPP_BUILTIN.
6520         (TARGET_OS_CPP_BUILTIN): Invoke MAYBE_TARGET_BPABI_CPP_BUILTINS(),
6521         refine CPU definitions for arm_arch5 and add those for arm_arch6 and
6522         arm_arch7.
6523         (MAYBE_ASM_ABI_SPEC): New, helper for SUBTARGET_EXTRA_ASM_SPEC,
6524         passing required abi options to the assembler for EABI configurations.
6525         (EXTRA_CC1_SPEC): New macro, to help prevent the implicit production
6526         of .text.hot and .text.unlikely sections for kernel modules when
6527         using ARM style exceptions.
6528         (CC1_SPEC): Remove obsolete attempt at mimicking Diab toolchain
6529         options. Add EXTRA_CC1_SPEC.
6530         (VXWORKS_ENDIAN_SPEC): Adjust comment and remove handling of Diab
6531         toolchain options.
6532         (DWARF2_UNWIND_INFO): Redefine to handle the pre/post VxWorks 7
6533         transition.
6534         (ARM_TARGET2_DWARF_FORMAT): Define.
6535         * config/arm/t-vxworks: Adjust multilib control to removal of the
6536         Diab command line options.
6537
6538 2017-08-01  Martin Liska  <mliska@suse.cz>
6539
6540         PR gcov-profile/81561
6541         * gcov.c (unblock): Make unblocking safe as we need to preserve
6542         index correspondence of blocks and block_lists.
6543
6544 2017-08-01  Richard Biener  <rguenther@suse.de>
6545
6546         PR tree-optimization/81181
6547         * tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
6548         (compute_antic): ... end of iteration here.
6549
6550 2017-08-01  James Greenhalgh  <james.greenhalgh@arm.com>
6551
6552         * common.opt (ftree-vectorize): No longer set flag_tree_vectorize.
6553         (ftree-loop-vectorize): Set as EnabledBy ftree-vectorize.
6554         (ftree-slp-vectorize): Likewise.
6555         * omp-expand (expand_omp_simd): Remove flag_tree_vectorize, as it
6556         can no longer be set independent of flag_tree_loop_vectorize.
6557         * omp-general.c (emp_max_vf): Likewise.
6558         * opts.c (enable_fdo_optimizations): Remove references to
6559         flag_tree_vectorize, these are now implicit.
6560         (common_handle_option): Remove handling for OPT_ftree_vectorize,
6561         and leave it for the options machinery.
6562
6563 2017-08-01  Martin Liska  <mliska@suse.cz>
6564
6565         PR middle-end/70140
6566         * builtins.c (expand_builtin_memcpy_args): Remove.
6567         (expand_builtin_memcpy): Call newly added function
6568         expand_builtin_memory_copy_args.
6569         (expand_builtin_memcpy_with_bounds): Likewise.
6570         (expand_builtin_mempcpy): Remove last argument.
6571         (expand_builtin_mempcpy_with_bounds): Likewise.
6572         (expand_builtin_memory_copy_args): New function created from
6573         expand_builtin_mempcpy_args with small modifications.
6574         (expand_builtin_mempcpy_args): Remove.
6575         (expand_builtin_stpcpy): Remove unused argument.
6576         (expand_builtin): Likewise.
6577         (expand_builtin_with_bounds): Likewise.
6578
6579 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6580
6581         PR target/81641
6582         * config/i386/i386.c (ix86_print_operand_address_as): For -masm=intel
6583         print "ds:" only for immediates in generic address space.
6584
6585 2017-08-01  Uros Bizjak  <ubizjak@gmail.com>
6586
6587         PR target/81639
6588         * config/i386/i386.c (ix86_funciton_naked): New prototype.
6589         (ix86_function_ok_for_sibcall): Return false for naked functions.
6590
6591 2017-08-01  Richard Biener  <rguenther@suse.de>
6592
6593         * tree-ssa-pre.c (print_pre_expr): Handle NULL expr.
6594         (compute_antic): Seed worklist with exit block predecessors.
6595         * cfganal.c (dfs_find_deadend): For a cycle return the source
6596         of the edge closing it.
6597
6598 2017-08-01  Tamar Christina  <tamar.christina@arm.com>
6599
6600         * config/aarch64/aarch64.c
6601         (aarch64_can_const_movi_rtx_p): Move 0 check.
6602
6603 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6604
6605         * tree.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Delete.
6606         * fold-const.c (fold_comparison, fold_binary_loc): Delete use of
6607         above macro.
6608         * match.pd: Ditto in address comparison pattern.
6609
6610 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6611
6612         PR tree-optimization/81627
6613         * tree-predcom.c (prepare_finalizers): Always rewrite into loop
6614         closed ssa form for store-store chain.
6615
6616 2017-08-01  Bin Cheng  <bin.cheng@arm.com>
6617
6618         PR tree-optimization/81620
6619         * tree-predcom.c (add_ref_to_chain): Don't set has_max_use_after
6620         for store-store chain.
6621
6622 2017-08-01  Jakub Jelinek  <jakub@redhat.com>
6623
6624         PR tree-optimization/81588
6625         * tree-ssa-reassoc.c (optimize_range_tests_var_bound): If
6626         ranges[i].in_p, invert comparison code ccode.  For >/>=,
6627         swap rhs1 and rhs2 and comparison code unconditionally,
6628         for </<= don't do that.  Don't swap rhs1/rhs2 again if
6629         ranges[i].in_p, instead invert comparison code ccode if
6630         opcode or oe->rank is BIT_IOR_EXPR.
6631
6632         PR target/80846
6633         * optabs.def (vec_extract_optab, vec_init_optab): Change from
6634         a direct optab to conversion optab.
6635         * optabs.c (expand_vector_broadcast): Use convert_optab_handler
6636         with GET_MODE_INNER as last argument instead of optab_handler.
6637         * expmed.c (extract_bit_field_1): Likewise.  Use vector from
6638         vector extraction if possible and optab is available.
6639         * expr.c (store_constructor): Use convert_optab_handler instead
6640         of optab_handler.  Use vector initialization from smaller
6641         vectors if possible and optab is available.
6642         * tree-vect-stmts.c (vectorizable_load): Likewise.
6643         * doc/md.texi (vec_extract, vec_init): Document that the optabs
6644         now have two modes.
6645         * config/i386/i386.c (ix86_expand_vector_init): Handle expansion
6646         of vec_init from half-sized vectors with the same element mode.
6647         * config/i386/sse.md (ssehalfvecmode): Add V4TI case.
6648         (ssehalfvecmodelower, ssescalarmodelower): New mode attributes.
6649         (reduc_plus_scal_v8df, reduc_plus_scal_v4df, reduc_plus_scal_v2df,
6650         reduc_plus_scal_v16sf, reduc_plus_scal_v8sf, reduc_plus_scal_v4sf,
6651         reduc_<code>_scal_<mode>, reduc_umin_scal_v8hi): Add element mode
6652         after mode in gen_vec_extract* calls.
6653         (vec_extract<mode>): Renamed to ...
6654         (vec_extract<mode><ssescalarmodelower>): ... this.
6655         (vec_extract<mode><ssehalfvecmodelower>): New expander.
6656         (rotl<mode>3, rotr<mode>3, <shift_insn><mode>3, ashrv2di3): Add
6657         element mode after mode in gen_vec_init* calls.
6658         (VEC_INIT_HALF_MODE): New mode iterator.
6659         (vec_init<mode>): Renamed to ...
6660         (vec_init<mode><ssescalarmodelower>): ... this.
6661         (vec_init<mode><ssehalfvecmodelower>): New expander.
6662         * config/i386/mmx.md (vec_extractv2sf): Renamed to ...
6663         (vec_extractv2sfsf): ... this.
6664         (vec_initv2sf): Renamed to ...
6665         (vec_initv2sfsf): ... this.
6666         (vec_extractv2si): Renamed to ...
6667         (vec_extractv2sisi): ... this.
6668         (vec_initv2si): Renamed to ...
6669         (vec_initv2sisi): ... this.
6670         (vec_extractv4hi): Renamed to ...
6671         (vec_extractv4hihi): ... this.
6672         (vec_initv4hi): Renamed to ...
6673         (vec_initv4hihi): ... this.
6674         (vec_extractv8qi): Renamed to ...
6675         (vec_extractv8qiqi): ... this.
6676         (vec_initv8qi): Renamed to ...
6677         (vec_initv8qiqi): ... this.
6678         * config/rs6000/vector.md (VEC_base_l): New mode attribute.
6679         (vec_init<mode>): Renamed to ...
6680         (vec_init<mode><VEC_base_l>): ... this.
6681         (vec_extract<mode>): Renamed to ...
6682         (vec_extract<mode><VEC_base_l>): ... this.
6683         * config/rs6000/paired.md (vec_initv2sf): Renamed to ...
6684         (vec_initv2sfsf): ... this.
6685         * config/rs6000/altivec.md (splitter, altivec_copysign_v4sf3,
6686         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6687         vec_unpacku_lo_v8hi, mulv16qi3, altivec_vreve<mode>2): Add
6688         element mode after mode in gen_vec_init* calls.
6689         * config/aarch64/aarch64-simd.md (vec_init<mode>): Renamed to ...
6690         (vec_init<mode><Vel>): ... this.
6691         (vec_extract<mode>): Renamed to ...
6692         (vec_extract<mode><Vel>): ... this.
6693         * config/aarch64/iterators.md (Vel): New mode attribute.
6694         * config/s390/s390.c (s390_expand_vec_strlen, s390_expand_vec_movstr):
6695         Add element mode after mode in gen_vec_extract* calls.
6696         * config/s390/vector.md (non_vec_l): New mode attribute.
6697         (vec_extract<mode>): Renamed to ...
6698         (vec_extract<mode><non_vec_l>): ... this.
6699         (vec_init<mode>): Renamed to ...
6700         (vec_init<mode><non_vec_l>): ... this.
6701         * config/s390/s390-builtins.def (s390_vlgvb, s390_vlgvh, s390_vlgvf,
6702         s390_vlgvf_flt, s390_vlgvg, s390_vlgvg_dbl): Add element mode after
6703         vec_extract mode.
6704         * config/arm/iterators.md (V_elem_l): New mode attribute.
6705         * config/arm/neon.md (vec_extract<mode>): Renamed to ...
6706         (vec_extract<mode><V_elem_l>): ... this.
6707         (vec_extractv2di): Renamed to ...
6708         (vec_extractv2didi): ... this.
6709         (vec_init<mode>): Renamed to ...
6710         (vec_init<mode><V_elem_l>): ... this.
6711         (reduc_plus_scal_<mode>, reduc_plus_scal_v2di, reduc_smin_scal_<mode>,
6712         reduc_smax_scal_<mode>, reduc_umin_scal_<mode>,
6713         reduc_umax_scal_<mode>, neon_vget_lane<mode>, neon_vget_laneu<mode>):
6714         Add element mode after gen_vec_extract* calls.
6715         * config/mips/mips-msa.md (vec_init<mode>): Renamed to ...
6716         (vec_init<mode><unitmode>): ... this.
6717         (vec_extract<mode>): Renamed to ...
6718         (vec_extract<mode><unitmode>): ... this.
6719         * config/mips/loongson.md (vec_init<mode>): Renamed to ...
6720         (vec_init<mode><unitmode>): ... this.
6721         * config/mips/mips-ps-3d.md (vec_initv2sf): Renamed to ...
6722         (vec_initv2sfsf): ... this.
6723         (vec_extractv2sf): Renamed to ...
6724         (vec_extractv2sfsf): ... this.
6725         (reduc_plus_scal_v2sf, reduc_smin_scal_v2sf, reduc_smax_scal_v2sf):
6726         Add element mode after gen_vec_extract* calls.
6727         * config/mips/mips.md (unitmode): New mode iterator.
6728         * config/spu/spu.c (spu_expand_prologue, spu_allocate_stack,
6729         spu_builtin_extract): Add element mode after gen_vec_extract* calls.
6730         * config/spu/spu.md (inner_l): New mode attribute.
6731         (vec_init<mode>): Renamed to ...
6732         (vec_init<mode><inner_l>): ... this.
6733         (vec_extract<mode>): Renamed to ...
6734         (vec_extract<mode><inner_l>): ... this.
6735         * config/sparc/sparc.md (veltmode): New mode iterator.
6736         (vec_init<VMALL:mode>): Renamed to ...
6737         (vec_init<VMALL:mode><VMALL:veltmode>): ... this.
6738         * config/ia64/vect.md (vec_initv2si): Renamed to ...
6739         (vec_initv2sisi): ... this.
6740         (vec_initv2sf): Renamed to ...
6741         (vec_initv2sfsf): ... this.
6742         (vec_extractv2sf): Renamed to ...
6743         (vec_extractv2sfsf): ... this.
6744         * config/powerpcspe/vector.md (VEC_base_l): New mode attribute.
6745         (vec_init<mode>): Renamed to ...
6746         (vec_init<mode><VEC_base_l>): ... this.
6747         (vec_extract<mode>): Renamed to ...
6748         (vec_extract<mode><VEC_base_l>): ... this.
6749         * config/powerpcspe/paired.md (vec_initv2sf): Renamed to ...
6750         (vec_initv2sfsf): ... this.
6751         * config/powerpcspe/altivec.md (splitter, altivec_copysign_v4sf3,
6752         vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi,
6753         vec_unpacku_lo_v8hi, mulv16qi3): Add element mode after mode in
6754         gen_vec_init* calls.
6755
6756 2017-08-01  Richard Biener  <rguenther@suse.de>
6757
6758         PR tree-optimization/81297
6759         * tree-vrp.c (get_single_symbol): Remove assert, instead drop
6760         TREE_OVERFLOW from INTEGER_CSTs.
6761
6762 2017-07-31  Segher Boessenkool  <segher@kernel.crashing.org>
6763
6764         * config/rs6000/rs6000.c (enum rs6000_reg_type): Delete trailing comma.
6765
6766 2017-07-31  Carl Love  <cel@us.ibm.com>
6767
6768         * config/rs6000/rs6000-c: Add support for built-in functions
6769         vector signed char vec_xl_be (signed long long, signed char *);
6770         vector unsigned char vec_xl_be (signed long long, unsigned char *);
6771         vector signed int vec_xl_be (signed long long, signed int *);
6772         vector unsigned int vec_xl_be (signed long long, unsigned int *);
6773         vector signed long long vec_xl_be (signed long long, signed long long *);
6774         vector unsigned long long vec_xl_be (signed long long, unsigned long long *);
6775         vector signed short vec_xl_be (signed long long, signed short *);
6776         vector unsigned short vec_xl_be (signed long long, unsigned short *);
6777         vector double vec_xl_be (signed long long, double *);
6778         vector float vec_xl_be (signed long long, float *);
6779         * config/rs6000/altivec.h (vec_xl_be): Add #define.
6780         * config/rs6000/rs6000-builtin.def (XL_BE_V16QI, XL_BE_V8HI, XL_BE_V4SI)
6781         XL_BE_V2DI, XL_BE_V4SF, XL_BE_V2DF, XL_BE): Add definitions
6782         for the builtins.
6783         * config/rs6000/rs6000.c (altivec_expand_xl_be_builtin): Add function.
6784         (altivec_expand_builtin): Add switch statement to call
6785         altivec_expand_xl_be for each builtin.
6786         (altivec_init_builtins): Add def_builtin for _builtin_vsx_le_be_v8hi,
6787         __builtin_vsx_le_be_v4si, __builtin_vsx_le_be_v2di,
6788         __builtin_vsx_le_be_v4sf, __builtin_vsx_le_be_v2df,
6789         __builtin_vsx_le_be_v16qi.
6790         * doc/extend.texi: Update the built-in documentation file for the
6791         new built-in functions.
6792
6793 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6794
6795         PR target/25967
6796         * config/i386/i386.c (ix86_allocate_stack_slots_for_args):
6797         New function.
6798         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
6799
6800 2017-07-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
6801
6802         * config.gcc: Add z14.
6803         * config/s390/driver-native.c (s390_host_detect_local_cpu): Add
6804         CPU model numbers for z13s and z14.
6805         * config/s390/s390-c.c (s390_resolve_overloaded_builtin): Replace
6806         arch12 with z14.
6807         * config/s390/s390-opts.h (enum processor_type): Rename
6808         PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6809         * config/s390/s390.c (processor_table): Add field for CPU name to
6810         be passed to Binutils.
6811         (s390_asm_output_machine_for_arch): Use the new field in
6812         processor_table for Binutils.
6813         (s390_expand_builtin): Replace arch12 with z14.
6814         (s390_issue_rate): Rename PROCESSOR_ARCH12 to PROCESSOR_3906_Z14.
6815         (s390_get_sched_attrmask): Likewise.
6816         (s390_get_unit_mask): Likewise.
6817         * config/s390/s390.opt: Add z14 to processor_type enum.
6818
6819 2017-07-31  Martin Jambor  <mjambor@suse.cz>
6820
6821         PR hsa/81477
6822         * ipa-fnsummary.c (ipa_fn_summary_generate): Set versionable
6823         regardless of optimization level.
6824
6825 2017-07-31  Jan Hubicka <hubicka@ucw.cz>
6826             Martin Liska  <mliska@suse.cz>
6827
6828         * predict.def: Remove old comment and adjust probability.
6829         * gimplify.c (should_warn_for_implicit_fallthrough): Ignore
6830         PREDICT statements.
6831
6832 2017-07-31  Uros Bizjak  <ubizjak@gmail.com>
6833
6834         PR target/25967
6835         * config/i386/i386.c (ix86_function_naked): New function.
6836         (ix86_can_use_return_insn_p): Return false for naked functions.
6837         (ix86_expand_prologue): Skip prologue for naked functions.
6838         (ix86_expand_epilogue): Skip epilogue for naked functions
6839         and emit trap instruction.
6840         (ix86_warn_func_return): New function.
6841         (ix86_attribute_table): Add "naked" attribute specification.
6842         (TARGET_WARN_FUNC_RETURN): Define.
6843         * doc/extend.texi (x86 Function Attributes) <naked>: Document it.
6844
6845 2017-07-31  Martin Liska  <mliska@suse.cz>
6846
6847         * gimple-pretty-print.c (dump_gimple_label): Never dump BB info.
6848         (dump_gimple_bb_header): Always dump BB info.
6849         (pp_cfg_jump): Do not append info about BB when dumping a jump.
6850
6851 2017-07-31  Martin Liska  <mliska@suse.cz>
6852
6853         PR sanitize/81530
6854         * convert.c (convert_to_integer_1): Guard condition with flag_sanitize_p
6855         also with current_function_decl non-null equality.
6856
6857 2017-07-31  Jakub Jelinek  <jakub@redhat.com>
6858
6859         PR sanitizer/81604
6860         * ubsan.c (ubsan_type_descriptor): For UBSAN_PRINT_ARRAY don't
6861         change type to the element type, instead add eltype variable and
6862         use it where we are interested in the element type.
6863
6864         PR tree-optimization/81603
6865         * ipa-polymorphic-call.c
6866         (ipa_polymorphic_call_context::ipa_polymorphic_call_context): Perform
6867         offset arithmetic in offset_int, bail out if the resulting bit offset
6868         doesn't fit into shwi.
6869
6870 2017-07-31  Martin Liska  <mliska@suse.cz>
6871
6872         * gimplify.c (mostly_copy_tree_r): Remove Java specific hunk.
6873         (gimplify_save_expr): Fix comment.
6874
6875 2017-07-30  H.J. Lu  <hongjiu.lu@intel.com>
6876
6877         PR target/79793
6878         * config/i386/i386.c (ix86_function_arg): Update arguments for
6879         exception handler.
6880         (ix86_compute_frame_layout): Set the initial stack offset to
6881         INCOMING_FRAME_SP_OFFSET.  Update red-zone offset with
6882         INCOMING_FRAME_SP_OFFSET.
6883         (ix86_expand_epilogue): Don't pop the 'ERROR_CODE' off the
6884         stack before exception handler returns.
6885         * config/i386/i386.h (INCOMING_FRAME_SP_OFFSET): Add the
6886         the 'ERROR_CODE' for exception handler.
6887
6888 2017-07-30  Uros Bizjak  <ubizjak@gmail.com>
6889
6890         * config/i386/i386.h (ASM_PRINTF_EXTENSIONS): New macro.
6891         (ASM_OUTPUT_REG_PUSH): Rewrite with new operand modifiers.
6892         (ASM_OUTPUT_REG_POP): Ditto.
6893         * config/i386/i386.c (ix86_asm_output_function_label): Use fputs
6894         instead of asm_fprintf to output pure string.
6895
6896 2017-07-29  Jakub Jelinek  <jakub@redhat.com>
6897
6898         * debug.h (struct gcc_debug_hooks): Add IMPLICIT argument
6899         to imported_module_or_decl hook.
6900         (debug_nothing_tree_tree_tree_bool): Remove.
6901         (debug_nothing_tree_tree_tree_bool_bool): New declaration.
6902         * debug.c (do_nothing_debug_hooks): Use
6903         debug_nothing_tree_tree_tree_bool_bool instead of
6904         debug_nothing_tree_tree_tree_bool.
6905         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
6906         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
6907         * sdbout.c (sdb_debug_hooks): Likewise.
6908         * dwarf2out.c (dwarf2_lineno_debug_hooks): Likewise.
6909         (gen_namespace_die): Add DW_AT_export_symbols attribute if
6910         langhook wants it.
6911         (dwarf2out_imported_module_or_decl): Add IMPLICIT argument,
6912         if true, -gdwarf-5 and decl will have DW_AT_export_symbols
6913         attribute, don't add anything.
6914
6915 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6916
6917         * fold-const.c (fold_build1_stat_loc): Remove _stat from name.
6918         (fold_build2_stat_loc): Likewise.
6919         (fold_build3_stat_loc): Likewise.
6920         * fold-const.h (fold_build1, fold_build2, fold_build3): Adjust.
6921         (fold_build1_loc): Remove macro.
6922         (fold_build2_loc): Likewise.
6923         (fold_build3_loc): Likewise.
6924
6925 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6926
6927         * gimple.c (gimple_build_debug_bind_stat): Remove _stat from name.
6928         (gimple_build_debug_bind_source_stat): Likewise.
6929         * gimple.h (gimple_build_debug_bind): Remove macro.
6930         (gimple_build_debug_bind_source): Likewise.
6931
6932 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6933
6934         * bitmap.c (bitmap_alloc): Adjust.
6935         (bitmap_gc_alloc): Likewise.
6936         * bitmap.h (bitmap_initialize_stat): Remove _stat from name.
6937
6938 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6939
6940         * bitmap.c (bitmap_obstack_alloc_stat): Rename to bitmap_alloc.
6941         (bitmap_gc_alloc_stat): Rename to bitmap_gc_alloc.
6942         * bitmap.h (bitmap_obstack_alloc_stat): Adjust prototype.
6943         (bitmap_gc_alloc_stat): Likewise.
6944         (BITMAP_ALLOC, BITMAP_GGC_ALLOC): Adjust.
6945
6946 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6947
6948         * rtl.c (shallow_copy_rtx_stat): Remove _stat from name.
6949         * rtl.h (shallow_copy_rtx): Remove macro.
6950
6951 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6952
6953         * emit-rtl.c (gen_raw_REG): Adjust.
6954         * gengenrtl.c (gendef): Likewise.
6955         * rtl.c (rtx_alloc_stat): Remove _stat from name.
6956         * rtl.h (rtx_alloc): Remove macro.
6957
6958 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6959
6960         * tree.c (build_tree_list_vec_stat): Remove _stat from name.
6961         (build_tree_list_stat): Likewise.
6962         * tree.h (build_tree_list): Remove macro.
6963         (build_tree_list_vec): Likewise.
6964
6965 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6966
6967         * tree.c (make_vector_stat): Remove _stat from name.
6968         (build_vector_stat): Likewise.
6969         * tree.h (make_vector_stat): Remove macro.
6970         (build_vector_stat): Likewise.
6971
6972 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6973
6974         * tree.h (build_var_debug_value): Remove prototype.
6975
6976 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6977
6978         * tree.c (tree_cons_stat): Remove _stat from name.
6979         * tree.h (tree_cons): Remove macro.
6980
6981 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6982
6983         * tree.c (build_vl_exp_stat): Remove _stat from name.
6984         * tree.h (build_vl_exp): Remove macro.
6985
6986 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6987
6988         * tree.c (build_decl_stat): Remove _stat from name.
6989         * tree.h (build_decl): Remove macro.
6990
6991 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6992
6993         * gimple.c (gimple_build_with_ops_stat): Adjust.
6994         (gimple_alloc_stat): Remove _stat from name.
6995         * gimple.h (gimple_alloc): Remove macro.
6996
6997 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
6998
6999         * tree.c (make_tree_vec_stat): Remove _stat from name.
7000         (grow_tree_vec_stat): Likewise.
7001         * tree.h (make_tree_vec_stat): Adjust prototype.
7002         (grow_tree_vec_stat): Likewise.
7003         (make_tree_vec): Remove macro.
7004         (grow_tree_vec): Likewise.
7005
7006 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7007
7008         * fold-const.c (fold_build1_stat_loc): Adjust.
7009         (fold_build2_stat_loc): Likewise.
7010         (fold_build3_stat_loc): Likewise.
7011         * tree.c (build0_stat): Remove _stat from name.
7012         (build1_stat): Likewise.
7013         (build2_stat): Likewise.
7014         (build3_stat): Likewise.
7015         (build4_stat): Likewise.
7016         (build5_stat): Likewise.
7017         * tree.h (build1_loc): Remove macro, and rename _stat function
7018         to this.
7019         (build2_loc): Likewise.
7020         (build3_loc): Likewise.
7021         (build4_loc): Likewise.
7022         (build5_loc): Likewise.
7023
7024 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7025
7026         * tree.c (make_int_cst_stat): Remove _stat from name.
7027         * tree.h (make_int_cst_stat): Adjust prototype.
7028         (make_int_cst): Remove macro.
7029
7030 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7031
7032         * tree.c (make_tre_binfo_stat): Remove _stat from name.
7033         * tree.h (make_tree_binfo_stat): Adjust prototype.
7034         (make_tree_binfo): Remove.
7035
7036 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7037
7038         * tree.c (copy_node_stat): Rename to copy_node.
7039         (build_distinct_type_copy): Adjust.
7040         * tree.h (copy_node_stat): Adjust prototype.
7041         (copy_node): Remove macro.
7042
7043 2017-07-28  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
7044
7045         * tree.c (make_node_stat): rename to make_node.
7046         (build_tree_list_stat): Adjust.
7047         (build0_stat): Likewise.
7048         (build2_stat): Likewise.
7049         (build3_stat): Likewise.
7050         (build4_stat): Likewise.
7051         (build5_stat): Likewise.
7052         (build_decl_stat): Likewise.
7053         * tree.h (make_node_stat): Adjust prototype.
7054         (make_node): remove macro.
7055
7056 2017-07-28  Peter Bergner  <bergner@vnet.ibm.com>
7057
7058         * config/rs6000/ppc-auxv.h (PPC_FEATURE2_DARN): New define.
7059         (PPC_FEATURE2_SCV): Likewise.
7060         * config/rs6000/rs6000.c (cpu_supports_info): Use them.
7061
7062 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7063
7064         * config/aarch64/aarch64.c
7065         (aarch64_internal_mov_immediate): Add new special pattern.
7066         * config/aarch64/aarch64.md (*movdi_aarch64):
7067         Add reg/32bit const mov case.
7068
7069 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7070             Richard Sandiford <richard.sandiford@linaro.org>
7071
7072         * config/aarch64/aarch64.md (mov<mode>): Generalize.
7073         (*movhf_aarch64, *movsf_aarch64, *movdf_aarch64):
7074         Add integer and movi cases.
7075         (movi-split-hf-df-sf split, fp16): New.
7076         (enabled): Added TARGET_FP_F16INST.
7077         * config/aarch64/iterators.md (GPF_HF): New.
7078         * config/aarch64/predicates.md (aarch64_reg_or_fp_float): New.
7079
7080 2017-07-28  Tamar Christina  <tamar.christina@arm.com>
7081
7082         * config/aarch64/aarch64.c
7083         (aarch64_simd_container_mode): Add prototype.
7084         (aarch64_expand_mov_immediate): Add HI support.
7085         (aarch64_reinterpret_float_as_int, aarch64_float_const_rtx_p: New.
7086         (aarch64_can_const_movi_rtx_p): New.
7087         (aarch64_preferred_reload_class):
7088         Remove restrictions of using FP registers for certain SIMD operations.
7089         (aarch64_rtx_costs): Added new cost for CONST_DOUBLE moves.
7090         (aarch64_valid_floating_const): Add integer move validation.
7091         (aarch64_simd_imm_scalar_p): Remove.
7092         (aarch64_output_scalar_simd_mov_immediate): Generalize function.
7093         (aarch64_legitimate_constant_p): Expand list of supported cases.
7094         * config/aarch64/aarch64-protos.h
7095         (aarch64_float_const_rtx_p, aarch64_can_const_movi_rtx_p): New.
7096         (aarch64_reinterpret_float_as_int): New.
7097         (aarch64_simd_imm_scalar_p): Remove.
7098         * config/aarch64/constraints.md (Uvi): New.
7099         (Dd): Split into Ds and new Dd.
7100         * config/aarch64/aarch64.md (*movsi_aarch64):
7101         Add SIMD mov case.
7102         (*movdi_aarch64): Add SIMD mov case.
7103
7104 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7105
7106         * tree-predcom.c: (struct chain): Handle store-store chain in which
7107         stores for elimination only store loop invariant values.
7108         (execute_pred_commoning_chain): Ditto.
7109         (prepare_initializers_chain_store_elim): Ditto.
7110         (prepare_finalizers): Ditto.
7111         (is_inv_store_elimination_chain): New function.
7112         (initialize_root_vars_store_elim_1): New function.
7113
7114 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7115
7116         * tree-predcom.c: Revise general description of the pass.
7117         (enum chain_type): New enum type for store elimination.
7118         (struct chain): New field supporting store elimination.
7119         (struct component): Ditto.
7120         (dump_chain): Dump store-stores chain.
7121         (release_chain): Release resources.
7122         (split_data_refs_to_components): Compute and create component
7123         contains only stores for elimination.
7124         (get_chain_last_ref_at): New function.
7125         (make_invariant_chain): Initialization.
7126         (make_rooted_chain): Specify chain type in parameter and record it.
7127         (add_looparound_copies): Skip for store-stores chain.
7128         (determine_roots_comp): Compute type of chain and pass it to
7129         make_rooted_chain.
7130         (initialize_root_vars_store_elim_2): New function.
7131         (finalize_eliminated_stores): New function.
7132         (remove_stmt): Handle store for elimination.
7133         (execute_pred_commoning_chain): Execute predictive commoning on
7134         store-store chains.
7135         (determine_unroll_factor): Skip unroll for store-stores chain.
7136         (prepare_initializers_chain_store_elim): New function.
7137         (prepare_initializers_chain): Hanlde store-store chain.
7138         (prepare_finalizers_chain, prepare_finalizers): New function.
7139         (tree_predictive_commoning_loop): Return integer value indicating
7140         if loop is unrolled or lcssa form is corrupted.
7141         (tree_predictive_commoning): Rewrite for lcssa form if necessary.
7142
7143 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7144
7145         * tree-predcom.c (initialize_root): Delete.
7146         (execute_pred_commoning_chain): Initialize root vars and replace
7147         reference of non-combined chain directly, rather than call above
7148         function.
7149
7150 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7151
7152         * tree-predcom.c (ref_at_iteration): Add parameter NITERS.  Compute
7153         memory reference to DR at (NITERS + ITERS)-th iteration of loop.
7154
7155 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7156
7157         * tree-predcom.c (struct chain): New field init_seq.
7158         (release_chain): Release init_seq.
7159         (prepare_initializers_chain): Record intialization stmts in above
7160         field.
7161         (insert_init_seqs): New function.
7162         (tree_predictive_commoning_loop): Call insert_init_seqs.
7163
7164 2017-07-28  Bin Cheng  <bin.cheng@arm.com>
7165
7166         * tree-predcom.c (determine_roots_comp): Skip trivial components.
7167
7168 2017-07-28  Richard Biener  <rguenther@suse.de>
7169
7170         * match.pd: Remove superfluous :c.
7171         * genmatch.c (simplify::id): Add member.
7172         (lower_commutative, lower_opt_convert, lower_cond, lower_for):
7173         Copy id.
7174         (current_id): New global.
7175         (dt_node::parent): Move from ...
7176         (dt_operand::parent): ... here.  Add for_id member.
7177         (is_a_helper <dt_operand *>::test): DT_TRUE is also a dt_operand.
7178         (decision_tree::find_node): Relax order requirement when
7179         merging DT_TRUE nodes to ones inbetween the current simplify
7180         and the one we try to merge with.  Add diagnostic whenever
7181         we need to enforce pattern order by not merging.
7182         (decision_tree::insert): Set current_id.
7183         (decision_tree::print_node): Dump parent node and for_id.
7184         (parser::last_id): Add member.
7185         (parser::push_simplify): Assign unique id.
7186         (parser::parser): Initialize last_id.
7187
7188 2017-07-28  Martin Liska  <mliska@suse.cz>
7189
7190         PR sanitizer/81340
7191         * sanopt.c (sanitize_rewrite_addressable_params): Set VALUE_EXPR after
7192         gimple_build_debug_bind.
7193
7194 2017-07-28  Richard Biener  <rguenther@suse.de>
7195
7196         PR tree-optimization/81502
7197         * match.pd: Add pattern combining BIT_INSERT_EXPR with
7198         BIT_FIELD_REF.
7199         * tree-cfg.c (verify_expr): Verify types of BIT_FIELD_REF
7200         size/pos operands.
7201         (verify_gimple_assign_ternary): Likewise for BIT_INSERT_EXPR pos.
7202         * gimple-fold.c (maybe_canonicalize_mem_ref_addr): Use bitsizetype
7203         for BIT_FIELD_REF args.
7204         * fold-const.c (make_bit_field_ref): Likewise.
7205         * tree-vect-stmts.c (vectorizable_simd_clone_call): Likewise.
7206
7207 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7208
7209         PR sanitizer/80998
7210         * sanopt.c (pass_sanopt::execute): Handle IFN_UBSAN_PTR.
7211         * tree-ssa-alias.c (call_may_clobber_ref_p_1): Likewise.
7212         * flag-types.h (enum sanitize_code): Add SANITIZER_POINTER_OVERFLOW.
7213         Or it into SANITIZER_UNDEFINED.
7214         * ubsan.c: Include gimple-fold.h and varasm.h.
7215         (ubsan_expand_ptr_ifn): New function.
7216         (instrument_pointer_overflow): New function.
7217         (maybe_instrument_pointer_overflow): New function.
7218         (instrument_object_size): Formatting fix.
7219         (pass_ubsan::execute): Call instrument_pointer_overflow
7220         and maybe_instrument_pointer_overflow.
7221         * internal-fn.c (expand_UBSAN_PTR): New function.
7222         * ubsan.h (ubsan_expand_ptr_ifn): Declare.
7223         * sanitizer.def (__ubsan_handle_pointer_overflow,
7224         __ubsan_handle_pointer_overflow_abort): New builtins.
7225         * tree-ssa-tail-merge.c (merge_stmts_p): Handle IFN_UBSAN_PTR.
7226         * internal-fn.def (UBSAN_PTR): New internal function.
7227         * opts.c (sanitizer_opts): Add pointer-overflow.
7228         * lto-streamer-in.c (input_function): Handle IFN_UBSAN_PTR.
7229         * fold-const.c (build_range_check): Compute pointer range check in
7230         integral type if pointer arithmetics would be needed.  Formatting
7231         fixes.
7232
7233 2017-07-28  Martin Liska  <mliska@suse.cz>
7234
7235         PR sanitizer/81460
7236         * sanopt.c (sanitize_rewrite_addressable_params): Do not rewrite
7237         parameters that are of a variable-length.
7238
7239 2017-07-28  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7240
7241         * config.gcc (powerpc-*-rtems*): Remove rs6000/eabi.h.  Add
7242         rs6000/biarch64.h.
7243         * config/rs6000/rtems.h (ASM_DECLARE_FUNCTION_SIZE): New macro.
7244         (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Likewise.
7245         (CRT_CALL_STATIC_FUNCTION): Likewise.
7246         (ASM_DEFAULT_SPEC): New define.
7247         (ASM_SPEC32): Likewise.
7248         (ASM_SPEC64): Likewise.
7249         (ASM_SPEC_COMMON): Likewise.
7250         (ASM_SPEC): Likewise.
7251         (INVALID_64BIT): Likewise.
7252         (LINK_OS_DEFAULT_SPEC): Likewise.
7253         (LINK_OS_SPEC32): Likewise.
7254         (LINK_OS_SPEC64): Likewise.
7255         (POWERPC_LINUX): Likewise.
7256         (PTRDIFF_TYPE): Likewise.
7257         (RESTORE_FP_PREFIX): Likewise.
7258         (RESTORE_FP_SUFFIX): Likewise.
7259         (SAVE_FP_PREFIX): Likewise.
7260         (SAVE_FP_SUFFIX): Likewise.
7261         (SIZE_TYPE): Likewise.
7262         (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7263         (TARGET_64BIT): Likewise.
7264         (TARGET_64BIT): Likewise.
7265         (TARGET_AIX): Likewise.
7266         (WCHAR_TYPE_SIZE): Likewise.
7267         (WCHAR_TYPE): Undefine.
7268         (TARGET_OS_CPP_BUILTINS): Add 64-bit PowerPC defines.
7269         (CPP_OS_DEFAULT_SPEC): Use previous CPP_OS_RTEMS_SPEC.
7270         (CPP_OS_RTEMS_SPEC): Delete.
7271         (SUBSUBTARGET_EXTRA_SPECS): Remove cpp_os_rtems.  Add
7272         asm_spec_common, asm_spec32, asm_spec64, link_os_spec32, and
7273         link_os_spec64.
7274         * config/rs6000/t-rtems: Add mcpu=e6500/m64 multilibs.
7275
7276 2017-07-28  Jakub Jelinek  <jakub@redhat.com>
7277
7278         PR tree-optimization/81578
7279         * tree-parloops.c (build_new_reduction): Bail out if
7280         reduction_code isn't one of the standard OpenMP reductions.
7281         Move the details printing after that decision.
7282
7283 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7284
7285         * config/rs6000/predicates.md (volatile_mem_operand): Remove code
7286         related to reload_in_progress.
7287         (splat_input_operand): Likewise.
7288         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7289         Delete prototype.
7290         * config/rs6000/rs6000.c (machine_function): Remove sdmode_stack_slot
7291         field.
7292         (TARGET_EXPAND_TO_RTL_HOOK): Delete.
7293         (TARGET_INSTANTIATE_DECLS): Likewise.
7294         (legitimate_indexed_address_p): Delete reload_in_progress code.
7295         (rs6000_debug_legitimate_address_p): Likewise.
7296         (rs6000_eliminate_indexed_memrefs): Likewise.
7297         (rs6000_emit_le_vsx_store): Likewise.
7298         (rs6000_emit_move_si_sf_subreg): Likewise.
7299         (rs6000_emit_move): Likewise.
7300         (register_to_reg_type): Likewise.
7301         (rs6000_pre_atomic_barrier): Likewise.
7302         (rs6000_machopic_legitimize_pic_address): Likewise.
7303         (rs6000_allocate_stack_temp): Likewise.
7304         (rs6000_address_for_fpconvert): Likewise.
7305         (rs6000_address_for_altivec): Likewise.
7306         (rs6000_secondary_memory_needed_rtx): Delete function.
7307         (rs6000_check_sdmode): Likewise.
7308         (rs6000_alloc_sdmode_stack_slot): Likewise.
7309         (rs6000_instantiate_decls): Likewise.
7310         * config/rs6000/rs6000.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7311         * config/rs6000/rs6000.md (splitter for *movsi_got_internal):
7312         Delete reload_in_progress.
7313         (*vec_reload_and_plus_<mptrsize>): Likewise.
7314         * config/rs6000/vsx.md (vsx_mul_v2di): Likewise.
7315         (vsx_div_v2di): Likewise.
7316         (vsx_udiv_v2di): Likewise.
7317
7318 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7319
7320         * config/rs6000/rs6000.opt (mlra): Replace with stub.
7321         * config/rs6000/rs6000-cpus.def (POWERPC_MASKS): Delete OPTION_MASK_LRA.
7322         * config/rs6000/rs6000.c (TARGET_LRA_P): Delete.
7323         (rs6000_debug_reg_global): Delete print of LRA status.
7324         (rs6000_option_override_internal): Delete dead LRA related code.
7325         (rs6000_lra_p): Delete function.
7326         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete -mlra.
7327
7328 2017-07-27  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7329
7330         * config.gcc (riscv*-*-elf*): Add (riscv*-*-rtems*).
7331         * config/riscv/rtems.h: New file.
7332
7333 2017-07-27  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
7334             Sudakshina Das  <sudi.das@arm.com>
7335
7336         * config/aarch64/aarch64.md
7337         (define_split for and<mode>3nr_compare): Move
7338         non aarch64_logical_operand to a register.
7339         (define_split for and_<SHIFT:optab><mode>3nr_compare0): Move non
7340         register immediate operand to a register.
7341         * config/aarch64/predicates.md (aarch64_mov_imm_operand): New.
7342
7343 2017-07-27  Peter Bergner  <bergner@vnet.ibm.com>
7344
7345         PR middle-end/81564
7346         * tree-cfg.c (group_case_labels_stmt): Handle already deleted blocks.
7347
7348 2017-07-27  Richard Biener  <rguenther@suse.de>
7349
7350         PR tree-optimization/81573
7351         PR tree-optimization/81494
7352         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
7353         multi defuse cycle case.
7354
7355 2017-07-27  Richard Biener  <rguenther@suse.de>
7356
7357         PR tree-optimization/81571
7358         * tree-vect-slp.c (vect_build_slp_tree): Properly verify reduction
7359         PHIs.
7360
7361 2017-07-27  Eric Botcazou  <ebotcazou@adacore.com>
7362
7363         * config/sparc/sparc.c (sparc_option_override): Set MASK_FSMULD flag
7364         earlier and only if MASK_FPU is set.  Adjust formatting.
7365
7366 2017-07-27  Martin Liska  <mliska@suse.cz>
7367
7368         * opt-functions.awk: Add validation of value of Init.
7369         * optc-gen.awk: Pass new argument.
7370
7371 2017-07-27  Martin Liska  <mliska@suse.cz>
7372
7373         * auto-profile.c (autofdo_source_profile::update_inlined_ind_target):
7374         Fix wrong condition.
7375
7376 2017-07-27  Martin Liska  <mliska@suse.cz>
7377
7378         * auto-profile.c (afdo_annotate_cfg): Assign zero counts to
7379         BBs and edges seen by autoFDO.
7380
7381 2017-07-27  Richard Biener  <rguenther@suse.de>
7382
7383         PR tree-optimization/81502
7384         * tree-ssa.c (non_rewritable_lvalue_p): Handle BIT_INSERT_EXPR
7385         with incompatible but same sized type.
7386         (execute_update_addresses_taken): Likewise.
7387
7388 2017-07-27  James Greenhalgh  <james.greenhalgh@arm.com>
7389
7390         * tree-ssa-loop-ch.c (pass_ch::process_loop_p): Guard on
7391         flag_tree_loop_vectorize rather than flag_tree_vectorize.
7392
7393 2017-07-27  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
7394
7395         PR target/81534
7396         * config/s390/s390.md ("*atomic_compare_and_swap<mode>_1")
7397         ("*atomic_compare_and_swapdi_2", "*atomic_compare_and_swapsi_3"):
7398         Change s_operand to memory_operand.
7399
7400 2017-07-27  Richard Sandiford  <richard.sandiford@linaro.org>
7401
7402         * config/rs6000/rs6000-protos.h (rs6000_emit_le_vsx_permute): Declare.
7403         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Replace with...
7404         (rs6000_emit_le_vsx_permute): ...this.  Take the destination as input.
7405         Emit instructions rather than returning an expression.  Handle TFmode
7406         and KFmode by casting to TImode.
7407         (rs6000_emit_le_vsx_load): Update to use rs6000_emit_le_vsx_permute.
7408         (rs6000_emit_le_vsx_store): Likewise.
7409         * config/rs6000/vsx.md (VSX_TI): New iterator.
7410         (*vsx_le_permute_<mode>): Use it instead of VSX_LE_128.
7411         (*vsx_le_undo_permute_<mode>): Likewise.
7412         (*vsx_le_perm_load_<mode>): Use rs6000_emit_le_vsx_permute to
7413         emit the split sequence.
7414         (*vsx_le_perm_store_<mode>): Likewise.
7415
7416 2017-07-27  Jakub Jelinek  <jakub@redhat.com>
7417
7418         PR tree-optimization/81555
7419         PR tree-optimization/81556
7420         * tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
7421         if true, force CHANGED for the recursive invocation.
7422         (reassociate_bb): Remember original length of ops array, pass
7423         len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.
7424
7425         * attribs.c (decl_attributes): Imply noinline, noclone and no_icf
7426         attributes for noipa attribute.  For naked attribute use
7427         lookup_attribute first before lookup_attribute_spec.
7428         * final.c (rest_of_handle_final): Disable IPA RA for functions with
7429         noipa attribute.
7430         * ipa-visibility.c (non_local_p): Fix comment typos.  Return true
7431         for functions with noipa attribute.
7432         (cgraph_externally_visible_p): Return true for functions with noipa
7433         attribute.
7434         * cgraph.c (cgraph_node::get_availability): Return AVAIL_INTERPOSABLE
7435         for functions with noipa attribute.
7436         * doc/extend.texi: Document noipa function attribute.
7437         * tree-ssa-structalias.c (refered_from_nonlocal_fn): Set *nonlocal_p
7438         also for functions with noipa attribute.
7439         (ipa_pta_execute): Set nonlocal_p also for nodes with noipa attribute.
7440
7441 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7442
7443         * config/aarch64/aarch64.c (thunderx_vector_cost): Decrease cost of
7444         vec_unalign_load_cost and vec_unalign_store_cost.
7445
7446 2017-07-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
7447
7448         * config/rs6000/rs6000-cpus.def (ISA_2_7_MASKS_SERVER): Delete
7449         -mvsx-small-integer option.
7450         (ISA_3_0_MASKS_IEEE): Likewise.
7451         (OTHER_VSX_VECTOR_MASKS): Likewise.
7452         (POWERPC_MASKS): Likewise.
7453         * config/rs6000/rs6000.opt (-mvsx-small-integer): Likewise.
7454         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Simplify
7455         code, only testing for DImode being allowed in non-VSX floating
7456         point registers.
7457         (rs6000_init_hard_regno_mode_ok): Change TARGET_VSX_SMALL_INTEGER
7458         to TARGET_P8_VECTOR test.  Remove redundant VSX test inside of
7459         another VSX test.
7460         (rs6000_option_override_internal): Delete -mvsx-small-integer.
7461         (rs6000_expand_vector_set): Change TARGET_VSX_SMALL_INTEGER to
7462         TARGET_P8_VECTOR test.
7463         (rs6000_secondary_reload_simple_move): Likewise.
7464         (rs6000_preferred_reload_class): Delete TARGET_VSX_SMALL_INTEGER,
7465         since TARGET_P9_VECTOR was already tested.
7466         (rs6000_opt_masks): Remove -mvsx-small-integer.
7467         * config/rs6000/vsx.md (vsx_extract_<mode>): Delete
7468         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7469         used.
7470         (vsx_extract_<mode>_p9): Delete TARGET_VSX_SMALL_INTEGER, since a
7471         test for TARGET_VEXTRACTUB was used, and that uses
7472         TARGET_P9_VECTOR.
7473         (p9 extract splitter): Likewise.
7474         (vsx_extract_<mode>_di_p9): Likewise.
7475         (vsx_extract_<mode>_store_p9): Likewise.
7476         (vsx_extract_si): Delete TARGET_VSX_SMALL_INTEGER, since a test
7477         for TARGET_P9_VECTOR was used.  Delete code that is now dead with
7478         the elimination of TARGET_VSX_SMALL_INTEGER.
7479         (vsx_extract_<mode>_p8): Likewise.
7480         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_fl_<FL_CONV:mode>): Likewise.
7481         (vsx_ext_<VSX_EXTRACT_I:VS_scalar>_ufl_<FL_CONV:mode>): Likewise.
7482         (vsx_set_<mode>_p9): Likewise.
7483         (vsx_set_v4sf_p9): Likewise.
7484         (vsx_set_v4sf_p9_zero): Likewise.
7485         (vsx_insert_extract_v4sf_p9): Likewise.
7486         (vsx_insert_extract_v4sf_p9_2): Likewise.
7487         * config/rs6000/rs6000.md (sign extend splitter): Change
7488         TARGET_VSX_SMALL_INTEGER to TARGET_P8_VECTOR test.
7489         (floatsi<mode>2_lfiwax_mem): Likewise.
7490         (floatunssi<mode>2_lfiwzx_mem): Likewise.
7491         (float<QHI:mode><FP_ISA3:mode>2): Delete TARGET_VSX_SMALL_INTEGER,
7492         since a test for TARGET_P9_VECTOR was used.
7493         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7494         (floatuns<QHI:mode><FP_ISA3:mode>2): Likewise.
7495         (floatuns<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7496         (fix_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7497         TARGET_P8_VECTOR test.
7498         (fix_trunc<mode>si2_stfiwx): Likewise.
7499         (fix_trunc<mode>si2_internal): Likewise.
7500         (fix_trunc<SFDF:mode><QHI:mode>2): Delete
7501         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7502         used.
7503         (fix_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7504         (fixuns_trunc<mode>si2): Change TARGET_VSX_SMALL_INTEGER to
7505         TARGET_P8_VECTOR test.
7506         (fixuns_trunc<mode>si2_stfiwx): Likewise.
7507         (fixuns_trunc<SFDF:mode><QHI:mode>2): Delete
7508         TARGET_VSX_SMALL_INTEGER, since a test for TARGET_P9_VECTOR was
7509         used.
7510         (fixuns_trunc<SFDF:mode><QHI:mode>2_internal): Likewise.
7511         (fctiw<u>z_<mode>_smallint): Delete TARGET_VSX_SMALL_INTEGER,
7512         since a test for TARGET_P9_VECTOR was used.
7513         (splitter for loading small constants): Likewise.
7514
7515 2017-07-26  Andrew Pinski  <apinski@cavium.com>
7516
7517         * config/aarch64/aarch64.c (thunderx_vector_cost): Fix
7518         vec_fp_stmt_cost.
7519
7520 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
7521
7522         PR target/81563
7523         * config/i386/i386.c (sp_valid_at): Properly check CFA offset.
7524         (fp_valid_at): Likewise.
7525
7526 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7527
7528         * config/aarch64/aarch64.c (cortexa57_addrcost_table): Remove.
7529         (qdf24xx_addrcost_table): Likewise.
7530         (cortexa57_tunings): Update to use generic_branch_cost.
7531         (cortexa72_tunings): Likewise.
7532         (cortexa73_tunings): Likewise.
7533         (qdf24xx_tunings): Likewise.
7534
7535 2017-07-26  James Greenhalgh  <james.greenhalgh@arm.com>
7536
7537         * config/aarch64/aarch64.c (cortexa57_branch_cost): Remove.
7538         (thunderx2t99_branch_cost): Likewise.
7539         (cortexa35_tunings): Update to use generic_branch_cost.
7540         (cortexa53_tunings): Likewise.
7541         (cortexa57_tunings): Likewise.
7542         (cortexa72_tunings): Likewise.
7543         (cortexa73_tunings): Likewise.
7544         (thunderx2t99_tunings): Likewise.
7545
7546 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7547
7548         * config/sparc/sparc.c (dump_target_flag_bits): Dump MASK_FSMULD.
7549         (sparc_option_override): Honour MASK_FSMULD.
7550         * config/sparc/sparc.h (MASK_FEATURES): Add MASK_FSMULD.
7551         * config/sparc/sparc.md (muldf3_extend): Use TARGET_FSMULD.
7552         * config/sparc/sparc.opt (mfsmuld): New option.
7553         * doc/invoke.texi (mfsmuld): Document option.
7554
7555 2017-07-26  Marek Polacek  <polacek@redhat.com>
7556
7557         PR middle-end/70992
7558         * tree.c (build2_stat): Don't set TREE_CONSTANT on divisions by zero.
7559
7560 2017-07-26  Richard Biener  <rguenther@suse.de>
7561
7562         * gimple-match-head.c (do_valueize): Return OP if valueize
7563         returns NULL_TREE.
7564         (get_def): New helper to get at the def stmt of a SSA name
7565         if valueize allows.
7566         * genmatch.c (dt_node::gen_kids_1): Use get_def instead of
7567         do_valueize to get at the def stmt.
7568         (dt_operand::gen_gimple_expr): Simplify do_valueize calls.
7569
7570 2017-07-26  Wilco Dijkstra  <wdijkstr@arm.com>
7571
7572         PR middle-end/46932
7573         * auto-inc-dec.c (parse_add_or_inc): Block autoinc on sfp.
7574
7575 2017-07-26  Martin Liska  <mliska@suse.cz>
7576
7577         PR sanitize/81186
7578         * function.c (expand_function_start): Make expansion of
7579         nonlocal_goto_save_area after parm_birth_insn.
7580
7581 2017-07-26  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7582
7583         * config/sparc/sparc.c (sparc_option_override): Remove MASK_FPU
7584         from all CPU target flags enable members.
7585
7586 2017-07-26  Richard Biener  <rguenther@suse.de>
7587
7588         * genmatch.c (dt_simplify::gen): Make iterator vars const.
7589         (decision_tree::gen): Make 'type' const.
7590         (write_predicate): Likewise.
7591
7592 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7593
7594         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok):
7595         Eliminate TARGET_UPPER_REGS_{DF,DI,SF} usage.
7596         (rs6000_option_override_internal): Likewise.
7597         (rs6000_expand_vector_set): Likewise.
7598         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Delete.
7599         (TARGET_UPPER_REGS_SF): Likewise.
7600         (TARGET_UPPER_REGS_DI): Likewise.
7601         (TARGET_VEXTRACTUB): Eliminate TARGET_UPPER_REGS_{DF,DI,SF}.
7602         (TARGET_DIRECT_MOVE_64BIT): Likewise.
7603         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Likewise.
7604         (float<QHI:mode><FP_ISA3:mode>2_internal): Likewise.
7605         (Splitters for DI constants in Altivec registers): Likewise.
7606         * config/rs6000/vsx.md (vsx_set_<mode>_p9): Likewise.
7607         (vsx_set_v4sf_p9): Likewise.
7608         (vsx_set_v4sf_p9_zero): Likewise.
7609         (vsx_insert_extract_v4sf_p9): Likewise.
7610         (vsx_insert_extract_v4sf_p9_2): Likewise.
7611
7612 2017-07-25  Carl Love  <cel@us.ibm.com>
7613
7614         * doc/extend.texi: Update the built-in documentation file for the
7615         existing built-in functions
7616         vector signed char vec_cnttz (vector signed char);
7617         vector unsigned char vec_cnttz (vector unsigned char);
7618         vector signed short vec_cnttz (vector signed short);
7619         vector unsigned short vec_cnttz (vector unsigned short);
7620         vector signed int vec_cnttz (vector signed int);
7621         vector unsigned int vec_cnttz (vector unsigned int);
7622         vector signed long long vec_cnttz (vector signed long long);
7623         vector unsigned long long vec_cnttz (vector unsigned long long);
7624
7625 2017-07-25  Andrew Pinski  <apinski@cavium.com>
7626
7627         * tree-ssa-uninit.c (warn_uninitialized_vars): Don't warn about memory
7628         accesses where the use is for the first operand of a BIT_INSERT.
7629
7630 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7631
7632         PR bootstrap/81521
7633         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7634         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7635
7636 2017-07-25  Jim Wilson  <jim.wilson@linaro.org>
7637
7638         * config/i386/gstabs.h: Delete.
7639         * config/i386/openbsd.h, config/i386/t-openbsd: Likewise.
7640
7641 2017-07-25  Uros Bizjak  <ubizjak@gmail.com>
7642
7643         * config/i386/i386.c (ix86_decompose_address): Do not check for
7644         register RTX when looking at index_reg or base_reg.
7645         * config/i386/i386.h (INCOMING_RETURN_ADDR_RTX): Use stack_pointer_rtx.
7646
7647 2017-07-25  Eric Botcazou  <ebotcazou@adacore.com>
7648
7649         * gimple.c (gimple_assign_set_rhs_with_ops): Do not ask gsi_replace
7650         to update EH info here.
7651
7652 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7653
7654         * match.pd ((X * CST1) * CST2): Simplify to X * (CST1 * CST2).
7655
7656 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7657
7658         * match.pd ((X * CST) * Y): Reassociate to (X * Y) * CST.
7659
7660 2017-07-25  Torsten Duwe  <duwe@suse.de>
7661
7662         * common.opt: Introduce -fpatchable-function-entry
7663         command line option, and its variables function_entry_patch_area_size
7664         and function_entry_patch_area_start.
7665         * opts.c (common_handle_option): Add -fpatchable_function_entry_ case,
7666         including a two-value parser.
7667         * target.def (print_patchable_function_entry): New target hook.
7668         * targhooks.h (default_print_patchable_function_entry): New function.
7669         * targhooks.c (default_print_patchable_function_entry): Likewise.
7670         * toplev.c (process_options): Switch off IPA-RA if
7671         patchable function entries are being generated.
7672         * varasm.c (assemble_start_function): Look at the
7673         patchable-function-entry command line switch and current
7674         function attributes and maybe generate NOP instructions by
7675         calling the print_patchable_function_entry hook.
7676         * doc/extend.texi: Document patchable_function_entry attribute.
7677         * doc/invoke.texi: Document -fpatchable_function_entry
7678         command line option.
7679         * doc/tm.texi.in (TARGET_ASM_PRINT_PATCHABLE_FUNCTION_ENTRY):
7680         New target hook.
7681         * doc/tm.texi: Re-generate.
7682
7683 2017-07-25  Jakub Jelinek  <jakub@redhat.com>
7684
7685         PR target/81532
7686         * config/i386/constraints.md (Yd, Ye): Use ALL_SSE_REGS for
7687         TARGET_AVX512DQ rather than TARGET_AVX512BW.
7688
7689 2017-07-25  Tamar Christina  <tamar.christina@arm.com>
7690
7691         * config/arm/parsecpu.awk (all_cores): Remove duplicates.
7692
7693 2017-07-25  Richard Biener  <rguenther@suse.de>
7694
7695         PR tree-optimization/81455
7696         * tree-ssa-loop-unswitch.c (find_loop_guard): Make sure to
7697         not walk in cycles when looking for guards.
7698
7699 2017-07-25  Richard Biener  <rguenther@suse.de>
7700
7701         PR tree-optimization/81529
7702         * tree-vect-stmts.c (process_use): Disregard live induction PHIs
7703         when optimizing backedge uses.
7704
7705 2017-07-25  David Edelsohn  <dje.gcc@gmail.com>
7706
7707         * dwarf2asm.c (dw2_asm_output_nstring): Encode double quote
7708         character for AIX.
7709         * dwarf2out.c (output_macinfo): Copy debug_line_section_label
7710         to dl_section_ref.  On AIX, append an expression to subtract
7711         the size of the section length to dl_section_ref.
7712
7713 2017-07-25  Segher Boessenkool  <segher@kernel.crashing.org>
7714
7715         * configure.ac: If any of the config.* scripts fail, exit 1.
7716         * configure: Regenerate.
7717
7718 2017-07-25  Richard Biener  <rguenther@suse.de>
7719
7720         PR middle-end/81546
7721         * tree-ssa-operands.c (verify_imm_links): Remove cap on number
7722         of immediate uses, be more verbose on errors.
7723
7724 2017-07-25  Richard Biener  <rguenther@suse.de>
7725
7726         PR tree-optimization/81510
7727         * tree-vect-loop.c (vect_is_simple_reduction): When the
7728         reduction stmt is not inside the loop bail out.
7729
7730 2017-07-25  Richard Biener  <rguenther@suse.de>
7731
7732         PR tree-optimization/81303
7733         * tree-vect-loop-manip.c (vect_loop_versioning): Build
7734         profitability check against LOOP_VINFO_NITERSM1.
7735
7736 2017-07-25  Alexander Monakov  <amonakov@ispras.ru>
7737
7738         * domwalk.c (cmp_bb_postorder): Simplify.
7739         (sort_bbs_postorder): New function.  Use it...
7740         (dom_walker::walk): ...here to optimize common cases.
7741
7742 2017-07-25  Martin Liska  <mliska@suse.cz>
7743
7744         PR ipa/81520
7745         * ipa-visibility.c (function_and_variable_visibility): Make the
7746         redirection just on target that supports aliasing.
7747         Fix GNU coding style.
7748
7749 2017-07-25  Sebastian Huber  <sebastian.huber@embedded-brains.de>
7750
7751         PR libgcc/61152
7752         * config/aarch64/rtems.h: Add GCC Runtime Library Exception.
7753         Format changes.
7754         * config/arm/rtems.h: Likewise.
7755         * config/bfin/rtems.h: Likewise.
7756         * config/i386/rtemself.h: Likewise.
7757         * config/lm32/rtems.h: Likewise.
7758         * config/m32c/rtems.h: Likewise.
7759         * config/m68k/rtemself.h: Likewise.
7760         * config/microblaze/rtems.h: Likewise.
7761         * config/mips/rtems.h: Likewise.
7762         * config/moxie/rtems.h: Likewise.
7763         * config/nios2/rtems.h: Likewise.
7764         * config/powerpcspe/rtems.h: Likewise.
7765         * config/rs6000/rtems.h: Likewise.
7766         * config/rtems.h: Likewise.
7767         * config/sh/rtems.h: Likewise.
7768         * config/sh/rtemself.h: Likewise.
7769         * config/sparc/rtemself.h: Likewise.
7770
7771 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7772
7773         PR 81487
7774         * hsa-brig.c (brig_init): Use xasprintf instead of asprintf.
7775         * gimple-pretty-print.c (dump_profile, dump_probability): Same.
7776         * tree-ssa-structalias.c (alias_get_name): Same.
7777
7778 2017-07-25  Bin Cheng  <bin.cheng@arm.com>
7779
7780         PR target/81414
7781         * config/aarch64/cortex-a57-fma-steering.c (analyze): Skip fmul/fmac
7782         instructions if no du chain is found.
7783
7784 2017-07-25  Georg-Johann Lay  <avr@gjlay.de>
7785
7786         * config/avr/avr-log.c (avr_log_vadump) ['T']: Print NULL-TREE.
7787
7788 2017-07-25  Richard Biener  <rguenther@suse.de>
7789
7790         PR middle-end/81505
7791         * fold-const.c (fold_negate_const): TREE_OVERFLOW should be
7792         sticky.
7793
7794 2017-07-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
7795
7796         * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Delete
7797         upper-regs options.
7798         (ISA_2_7_MASKS_SERVER): Likewise.
7799         (ISA_3_0_MASKS_IEEE): Likewise.
7800         (OTHER_P8_VECTOR_MASKS): Likewise.
7801         (OTHER_VSX_VECTOR_MASKS): Likewise.
7802         (POWERPC_MASKS): Likewise.
7803         (power7 cpu): Use ISA_2_6_MASKS_SERVER instead of using a
7804         duplicate list of options.
7805         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Remove
7806         explicit -mupper-regs options.
7807         * config/rs6000/rs6000.opt (-mvsx-scalar-memory): Delete
7808         -mupper-regs* options.  Delete -mvsx-scalar-memory, which was an
7809         alias for -mupper-regs-df.
7810         * config/rs6000/rs6000.c (rs6000_setup_reg_addr_masks): Likewise.
7811         (rs6000_init_hard_regno_mode_ok): Likewise.
7812         (rs6000_option_override_internal): Likewise.
7813         (rs6000_opt_masks): Likewise.
7814         * config/rs6000/rs6000.h (TARGET_UPPER_REGS_DF): Define upper regs
7815         options in terms of whether -mvsx or -mpower8-vector was used.
7816         (TARGET_UPPER_REGS_DI): Likewise.
7817         (TARGET_UPPER_REGS_SF): Likewise.
7818         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete the
7819         -mupper-regs-* options.
7820
7821 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7822
7823         * passes.c (emergency_dump_function): Print some empty lines and a
7824         header before the RTL dump.
7825
7826 2017-07-24  Segher Boessenkool  <segher@kernel.crashing.org>
7827
7828         * cfgrtl.c (rtl_dump_bb): Don't call NEXT_INSN on NULL.
7829
7830 2017-07-24  Wilco Dijkstra  <wdijkstr@arm.com>
7831
7832         PR target/79041
7833         * config/aarch64/aarch64.c (aarch64_classify_symbol):
7834         Avoid SYMBOL_SMALL_ABSOLUTE for literals with pc-relative literals.
7835
7836 2017-07-24  Carl Love  <cel@us.ibm.com>
7837
7838         * config/rs6000/rs6000-c.c: Add support for built-in functions
7839         vector float vec_extract_fp32_from_shorth (vector unsigned short);
7840         vector float vec_extract_fp32_from_shortl (vector unsigned short);
7841         * config/rs6000/altivec.h (vec_extract_fp_from_shorth,
7842         vec_extract_fp_from_shortl): Add defines for the two builtins.
7843         * config/rs6000/rs6000-builtin.def (VEXTRACT_FP_FROM_SHORTH,
7844         VEXTRACT_FP_FROM_SHORTL): Add BU_P9V_OVERLOAD_1 and BU_P9V_VSX_1
7845         new builtins.
7846         * config/rs6000/vsx.md vsx_xvcvhpsp): Add define_insn.
7847         (vextract_fp_from_shorth, vextract_fp_from_shortl): Add define_expands.
7848         * doc/extend.texi: Update the built-in documentation file for the
7849         new built-in function.
7850
7851 2017-07-24  Jakub Jelinek  <jakub@redhat.com>
7852
7853         PR bootstrap/81521
7854         * tree.def: Remove TYPE_METHODS documentation, adjust TYPE_FIELDS
7855         documentation.
7856         * doc/generic.texi: Likewise.
7857         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition): Look
7858         for FUNCTION_DECLs in TYPE_FIELDS rather than TYPE_METHODS.
7859
7860 2017-07-24  Jackson Woodruff  <jackson.woodruff@arm.com>
7861
7862         * config/aarch64/aarch64-simd.md (aarch64_mla_elt_merge<mode>): New.
7863         (aarch64_mls_elt_merge<mode>): Likewise.
7864
7865 2017-07-23  Krister Walfridsson  <krister.walfridsson@gmail.com>
7866
7867         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
7868         having __cxa_atexit.
7869
7870 2017-07-23  Michael Collison  <michael.collison@arm.com>
7871
7872         * config/arm/arm.c (arm_option_override): Deprecate
7873         use of -mstructure-size-boundary.
7874         * config/arm/arm.opt: Deprecate -mstructure-size-boundary.
7875         * doc/invoke.texi: Deprecate -mstructure-size-boundary.
7876
7877 2017-07-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
7878
7879         PR target/80695
7880         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
7881         Reduce cost estimate for direct moves.
7882
7883 2017-07-23  Uros Bizjak  <ubizjak@gmail.com>
7884
7885         PR target/80569
7886         * config/i386/i386.c (ix86_option_override_internal): Disable
7887         BMI, BMI2 and TBM instructions for -m16.
7888
7889 2017-07-21  Carl Love  <cel@us.ibm.com>
7890
7891         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
7892         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
7893         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
7894         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
7895         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
7896         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
7897         VMULOSW): New enum "unspec" values.
7898         (altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
7899         altivec_vmulosw): New patterns.
7900         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
7901         VMULOSW): Add definitions.
7902
7903 2017-07-21  Jim Wilson  <jim.wilson@linaro.org>
7904
7905         * config/aarch64/aarch64-cores.def (falkor): Add AARCH64_FL_RDMA.
7906         (qdf24xx): Likewise.
7907         * config/aarch64/aarch64-options-extensions.def (rdma); New.
7908         * config/aarch64/aarch64.h (AARCH64_FL_RDMA): New.
7909         (AARCH64_FL_V8_1): Renumber.
7910         (AARCH64_FL_FOR_ARCH8_1): Add AARCH64_FL_RDMA.
7911         (AARCH64_ISA_RDMA): Use AARCH64_FL_RDMA.
7912         * config/aarch64/arm_neon.h: Use +rdma instead of arch=armv8.1-a.
7913         * doc/invoke.texi (AArch64 Options): Mention +rmda in -march docs.  Add
7914         rdma to feature modifiers list.
7915
7916 2017-07-21  Yury Gribov  <tetra2005@gmail.com>
7917
7918         PR middle-end/56727
7919         * ipa-visibility (function_and_variable_visibility): Convert
7920         recursive PLT call to direct call if appropriate.
7921
7922 2017-07-21  Andrew Pinski  <apinski@cavium.com>
7923
7924         * tree-ssa-sccvn.c (vn_nary_op_eq): Check BIT_INSERT_EXPR's
7925         operand 1 to see if the types precision matches.
7926         * fold-const.c (operand_equal_p): Likewise.
7927
7928 2017-07-21  Richard Biener  <rguenther@suse.de>
7929
7930         PR tree-optimization/81303
7931         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs): Pass
7932         in datarefs vector.  Allow NULL dr0 for no peeling cost estimate.
7933         (vect_peeling_hash_get_lowest_cost): Adjust.
7934         (vect_enhance_data_refs_alignment): Likewise.  Use
7935         vect_get_peeling_costs_all_drs to compute the penalty for no
7936         peeling to match up costs.
7937
7938 2017-07-21  Richard Biener  <rguenther@suse.de>
7939
7940         PR tree-optimization/81500
7941         * tree-vect-loop.c (vect_is_simple_reduction): Properly fail if
7942         we didn't identify a reduction path.
7943
7944 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7945             Cesar Philippidis  <cesar@codesourcery.com>
7946
7947         PR gcov-profile/81442
7948         * config/nvptx/nvptx.c (nvptx_goacc_reduction_init): Add missing edge
7949         probabilities.
7950
7951 2017-07-21  Tom de Vries  <tom@codesourcery.com>
7952
7953         PR lto/81430
7954         * config/nvptx/nvptx.c (nvptx_override_options_after_change): New
7955         function.
7956         (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define to
7957         nvptx_override_options_after_change.
7958
7959 2017-07-21  Ulrich Drepper  <drepper@redhat.com>
7960
7961         * dwarf2out.c (output_file_names): Avoid double testing for
7962         dwarf_version >= 5.
7963
7964 2017-07-21  Georg-Johann Lay  <avr@gjlay.de>
7965
7966         * doc/invoke.texi (AVR Built-in Functions): Re-layout section.
7967
7968 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7969
7970         * cfgcleanup.c (flow_find_cross_jump): Do not crossjump across
7971         hot/cold regions.
7972         (try_crossjump_to_edge): Do not punt on partitioned functions.
7973
7974 2016-07-21  Jan Hubicka  <hubicka@ucw.cz>
7975
7976         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7977         Put all BBs reachable only via paths crossing cold region to cold
7978         region.
7979         * cfgrtl.c (find_bbs_reachable_by_hot_paths): New function.
7980
7981 2016-07-21  Richard Biener  <rguenther@suse.de>
7982
7983         PR tree-optimization/81303
7984         * tree-vect-loop.c (vect_estimate_min_profitable_iters): Take
7985         into account prologue and epilogue iterations when raising
7986         min_profitable_iters to sth at least covering one vector iteration.
7987
7988 2017-07-21  Tamar Christina  <tamar.christina@arm.com>
7989
7990         * config/arm/arm.c (arm_test_cpu_arch_dat):
7991         Check for overlap.
7992
7993 2017-07-20  Nathan Sidwell  <nathan@acm.org>
7994
7995         Remove TYPE_METHODS.
7996         * tree.h (TYPE_METHODS): Delete.
7997         * dwarf2out.c (gen_member_die): Member fns are on TYPE_FIELDS.
7998         * dbxout.c (dbxout_type_fields): Ignore FUNCTION_DECLs.
7999         (dbxout_type_methods): Scan TYPE_FIELDS.
8000         (dbxout_type): Don't check TYPE_METHODS here.
8001         * function.c (use_register_for_decl): Always ignore register for
8002         class types when not optimizing.
8003         * ipa-devirt.c (odr_types_equivalent_p): Delete TYPE_METHODS scan.
8004         * tree.c (free_lang_data_in_type): Stitch out member functions and
8005         templates from TYPE_FIELDS.
8006         (build_distinct_type_copy, verify_type_variant,
8007         verify_type): Member fns are on TYPE_FIELDS.
8008         * tree-dump.c (dequeue_and_dump): No TYPE_METHODS.
8009         * tree-pretty-print.c (dump_generic_node): Likewise.
8010
8011 2017-07-20  Jakub Jelinek  <jakub@redhat.com>
8012
8013         PR target/80846
8014         * config/i386/i386.c (ix86_expand_vector_init_general): Handle
8015         V2TImode and V4TImode.
8016         (ix86_expand_vector_extract): Likewise.
8017         * config/i386/sse.md (VMOVE): Enable V4TImode even for just
8018         TARGET_AVX512F, instead of only for TARGET_AVX512BW.
8019         (ssescalarmode): Handle V4TImode and V2TImode.
8020         (VEC_EXTRACT_MODE): Add V4TImode and V2TImode.
8021         (*vec_extractv2ti, *vec_extractv4ti): New insns.
8022         (VEXTRACTI128_MODE): New mode iterator.
8023         (splitter for *vec_extractv?ti first element): New.
8024         (VEC_INIT_MODE): New mode iterator.
8025         (vec_init<mode>): Consolidate 3 expanders into one using
8026         VEC_INIT_MODE mode iterator.
8027
8028 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8029
8030         * lra-assigns.c (pseudo_compare_func): Fix comparison step based on
8031         non_spilled_static_chain_regno_p.
8032
8033 2017-07-20  Alexander Monakov  <amonakov@ispras.ru>
8034
8035         * gimple-ssa-store-merging.c (sort_by_bitpos): Return 0 on equal bitpos.
8036
8037 2017-07-20  Jan Hubicka  <hubicka@ucw.cz>
8038
8039         * bb-reorder.c (connect_traces): Allow copying of blocks within
8040         single partition.
8041
8042 2017-07-20  Richard Biener  <rguenther@suse.de>
8043
8044         * gimple.h (gimple_phi_result): Add gphi * overload.
8045         (gimple_phi_result_ptr): Likewise.
8046         (gimple_phi_arg): Likewise.  Adjust index assert to only
8047         allow actual argument accesses rather than all slots available
8048         by capacity.
8049         (gimple_phi_arg_def): Add gphi * overload.
8050         * tree-phinodes.c (make_phi_node): Initialize only actual
8051         arguments.
8052         (resize_phi_node): Clear memory not covered by old node,
8053         do not initialize excess argument slots.
8054         (reserve_phi_args_for_new_edge): Initialize new argument slot
8055         completely.
8056
8057 2017-07-20  Bin Cheng  <bin.cheng@arm.com>
8058
8059         PR tree-optimization/81388
8060         Revert r238585:
8061         2016-07-21  Bin Cheng  <bin.cheng@arm.com>
8062
8063         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Clean up
8064         by removing computation of may_be_zero.
8065
8066 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8067             Tom de Vries  <tom@codesourcery.com>
8068
8069         PR middle-end/81030
8070         * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
8071         when gimple level profile disagrees with what RTL expander did.
8072
8073 2017-07-20  Richard Biener  <rguenther@suse.de>
8074
8075         PR tree-optimization/61171
8076         * tree-vectorizer.h (slp_instance): Add reduc_phis member.
8077         (vect_analyze_stmt): Add slp instance parameter.
8078         (vectorizable_reduction): Likewise.
8079         * tree-vect-loop.c (vect_analyze_loop_operations): Adjust.
8080         (vect_is_simple_reduction): Deal with chains not detected
8081         as SLP reduction chain, specifically not properly associated
8082         chains containing a mix of plus/minus.
8083         (get_reduction_op): Remove.
8084         (get_initial_defs_for_reduction): Simplify, pass in whether
8085         this is a reduction chain, pass in the SLP node for the PHIs.
8086         (vect_create_epilog_for_reduction): Get the SLP instance as
8087         arg and adjust.
8088         (vectorizable_reduction): Get the SLP instance as arg.
8089         During analysis remember the SLP node with the PHIs in the
8090         instance.  Simplify getting at the vectorized reduction PHIs.
8091         * tree-vect-slp.c (vect_slp_analyze_node_operations): Pass
8092         through SLP instance.
8093         (vect_slp_analyze_operations): Likewise.
8094         * tree-vect-stms.c (vect_analyze_stmt): Likewise.
8095         (vect_transform_stmt): Likewise.
8096
8097 2017-07-20  Tom de Vries  <tom@codesourcery.com>
8098
8099         PR tree-optimization/81489
8100         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Move
8101         read of phi arg location to before loop that modifies phi.
8102
8103 2017-07-20  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
8104
8105         * match.pd (((m1 >/</>=/<= m2) * d -> (m1 >/</>=/<= m2) ? d : 0):
8106         New pattern.
8107
8108 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8109
8110         PR middle-end/81331
8111         * except.c (execute): Fix ordering issue.
8112
8113 2018-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8114
8115         PR rtl-optimization/81423
8116         * combine.c (make_compound_operation_int): Don't try to optimize
8117         the AND of a SUBREG of an LSHIFTRT if that SUBREG is paradoxical.
8118
8119 2017-07-19  Segher Boessenkool  <segher@kernel.crashing.org>
8120
8121         PR rtl-optimization/81423
8122         * simplify-rtx.c (simplify_truncation): Handle truncating an IOR
8123         with a constant that is -1 in the truncated to mode.
8124
8125 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8126
8127         * predict.c (propagate_unlikely_bbs_forward): Break out from ...
8128         (determine_unlikely_bbs): ... here.
8129         * predict.h (propagate_unlikely_bbs_forward): Declare.
8130         * cfgexpand.c (pass_expand::execute): Use it.
8131         * bb-reorder.c (sanitize_hot_paths): Do not consider known to be
8132         unlikely edges.
8133         (find_rarely_executed_basic_blocks_and_crossing_edges): Use
8134         propagate_unlikely_bbs_forward.
8135
8136 2017-07-19  Jan Hubicka  <hubicka@ucw.cz>
8137
8138         PR middle-end/81331
8139         * except.c (maybe_add_nop_after_section_switch): New function.
8140         (execute): Use it.
8141
8142 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8143
8144         * gimple.h (gimple_phi_set_arg): Make assert more strict.
8145
8146 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8147
8148         * gimple.h (gimple_phi_arg): Make assert more strict.
8149
8150 2017-07-19  Steven Munroe  <munroesj@gcc.gnu.org>
8151
8152         * config.gcc (powerpc*-*-*): Add mmintrin.h.
8153         * config/rs6000/mmintrin.h: New file.
8154         * config/rs6000/x86intrin.h [__ALTIVEC__]: Include mmintrin.h.
8155
8156 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
8157
8158         PR tree-optimization/81346
8159         * match.pd: Optimize (X - 1U) <= INT_MAX-1U into (int) X > 0.
8160
8161 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8162
8163         * config/nvptx/nvptx.md (VECIM): Add V2DI.
8164
8165 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8166
8167         * config/nvptx/nvptx-modes.def: Add V2DImode.
8168         * config/nvptx/nvptx-protos.h (nvptx_data_alignment): Declare.
8169         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2DImode.
8170         (nvptx_output_mov_insn): Handle lack of mov.b128.
8171         (nvptx_print_operand): Handle 'H' and 'L' codes.
8172         (nvptx_vector_mode_supported): Allow V2DImode.
8173         (nvptx_preferred_simd_mode): New function.
8174         (nvptx_data_alignment): New function.
8175         (TARGET_VECTORIZE_PREFERRED_SIMD_MODE): Redefine to
8176         nvptx_preferred_simd_mode.
8177         * config/nvptx/nvptx.h (STACK_BOUNDARY, BIGGEST_ALIGNMENT): Change from
8178         64 to 128 bits.
8179         (DATA_ALIGNMENT): Define.  Set to nvptx_data_alignment.
8180
8181 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8182
8183         * config/nvptx/nvptx-modes.def: New file.  Add V2SImode.
8184         * config/nvptx/nvptx.c (nvptx_ptx_type_from_mode): Handle V2SImode.
8185         (nvptx_vector_mode_supported): New function.  Allow V2SImode.
8186         (TARGET_VECTOR_MODE_SUPPORTED_P): Redefine to nvptx_vector_mode_supported.
8187         * config/nvptx/nvptx.md (VECIM): New mode iterator. Add V2SI.
8188         (mov<VECIM>_insn): New define_insn.
8189         (define_expand "mov<VECIM>): New define_expand.
8190
8191 2017-07-19  Tom de Vries  <tom@codesourcery.com>
8192
8193         * config/nvptx/nvptx.c (nvptx_print_operand): Handle v2 vector mode.
8194
8195 2017-07-19  Jakub Jelinek  <jakub@redhat.com>
8196
8197         PR tree-optimization/81346
8198         * fold-const.h (fold_div_compare, range_check_type): Declare.
8199         * fold-const.c (range_check_type): New function.
8200         (build_range_check): Use range_check_type.
8201         (fold_div_compare): No longer static, rewritten into
8202         a match.pd helper function.
8203         (fold_comparison): Don't call fold_div_compare here.
8204         * match.pd (X / C1 op C2): New optimization using fold_div_compare
8205         as helper function.
8206
8207 2017-07-19  Nathan Sidwell  <nathan@acm.org>
8208
8209         * tree.h (TYPE_MINVAL, TYPE_MAXVAL): Rename to ...
8210         (TYPE_MIN_VALUE_RAW, TYPE_MAX_VALUE_RAW): ... these.
8211         * tree.c (find_decls_types_r, verify_type): Use
8212         TYPE_{MIN,MAX}_VALUE_RAW.
8213         * lto-streamer-out.c (DFS::DFS_write_tree_body): Likewise.
8214         (hash_tree): Likewise.
8215         * tree-streamer-in.c (lto_input_ts_type_non_common_tree_pointers):
8216         Likewise.
8217         * tree-streamer-out.c (write_ts_type_non_common_tree_pointers):
8218         Likewise.
8219
8220 2017-07-18  Tom de Vries  <tom@codesourcery.com>
8221
8222         PR middle-end/81464
8223         * omp-expand.c (expand_omp_for_static_chunk): Handle
8224         equal-argument loop exit phi.
8225
8226 2017-07-18  Uros Bizjak  <ubizjak@gmail.com>
8227
8228         PR target/81471
8229         * config/i386/i386.md (rorx_immediate_operand): New mode attribute.
8230         (*bmi2_rorx<mode>3_1): Use rorx_immediate_operand as
8231         operand 2 predicate.
8232         (*bmi2_rorxsi3_1_zext): Use const_0_to_31_operand as
8233         operand 2 predicate.
8234         (ror,rol -> rorx splitters): Use const_int_operand as
8235         operand 2 predicate.
8236
8237 2017-06-18  Richard Biener  <rguenther@suse.de>
8238
8239         PR tree-optimization/81410
8240         * tree-vect-stmts.c (vectorizable_load): Properly adjust for
8241         the gap in the ! slp_perm SLP case after each group.
8242
8243 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8244
8245         PR middle-end/81463
8246         * cfgloopmanip.c (scale_loop_profile): Watch out for zero frequency
8247         again.
8248
8249 2017-07-18  Jan Hubicka  <hubicka@ucw.cz>
8250
8251         PR middle-end/81462
8252         * predict.c (set_even_probabilities): Cleanup; do not affect
8253         probabilities that are already known.
8254         (combine_predictions_for_bb): Call even when count is set.
8255
8256 2017-07-18  Nathan Sidwell  <nathan@acm.org>
8257
8258         * tree-parloops.c (try_transform_to_exit_first_loop_alt): Use
8259         TYPE_MAX_VALUE.
8260
8261 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8262
8263         PR target/81408
8264         * tree-ssa-loop-niter.c (number_of_iterations_exit): Dump missed
8265         optimization for loop niter analysis.
8266
8267 2017-07-18  Georg-Johann Lay  <avr@gjlay.de>
8268
8269         PR target/81473
8270         * config/avr/avr.c (avr_optimize_casesi): Don't use
8271         INT8_MIN, INT8_MAX, UINT8_MAX, INT16_MIN, INT16_MAX, UINT16_MAX.
8272
8273 2017-07-18  Robin Dapp  <rdapp@linux.vnet.ibm.com>
8274
8275         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Remove
8276         body_cost_vec from _vect_peel_extended_info.
8277         (vect_peeling_hash_get_lowest_cost): Do not set body_cost_vec.
8278         (vect_peeling_hash_choose_best_peeling): Remove body_cost_vec and
8279         npeel.
8280
8281 2017-07-18  Bin Cheng  <bin.cheng@arm.com>
8282
8283         * config/arm/arm.c (emit_unlikely_jump): Remove unused var.
8284
8285 2017-07-18  Richard Biener  <rguenther@suse.de>
8286
8287         PR tree-optimization/80620
8288         PR tree-optimization/81403
8289         * tree-ssa-pre.c (phi_translate_1): Clear range and points-to
8290         info when re-using a VN table entry.
8291
8292 2017-07-18  Richard Biener  <rguenther@suse.de>
8293
8294         PR tree-optimization/81418
8295         * tree-vect-loop.c (vectorizable_reduction): Properly compute
8296         vectype_in.  Verify that with lane-reducing reduction operations
8297         we have a single def-use cycle.
8298
8299 2017-07-17  Carl Love  <cel@us.ibm.com>
8300
8301         Revert commit r249424   2017-06-20  Carl Love  <cel@us.ibm.com>
8302
8303         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8304         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
8305         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
8306         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
8307         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
8308         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
8309         VMULOSW): New enum "unspec" values.
8310         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
8311         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
8312         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
8313         altivec_vmulosw): New patterns.
8314         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
8315         VMULOSW): Add definitions.
8316 2017-07-17  Uros Bizjak  <ubizjak@gmail.com>
8317
8318         * config/alpha/alpha.c: Include predict.h.
8319
8320 2017-07-17  Yury Gribov  <tetra2005@gmail.com>
8321
8322         * tree-vrp.c (compare_assert_loc): Fix comparison function
8323         to return predictable results.
8324
8325 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8326
8327         * config/arc/arc.md (adddi3): Remove support for mexpand-adddi
8328         option.
8329         (subdi3): Likewise.
8330         * config/arc/arc.opt (mexpand-adddi): Deprecate it.
8331         * doc/invoke.texi (mexpand-adddi): Update text.
8332
8333 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8334
8335         * config/arc/arc.md (clzsi2): Expand to an arc_clzsi2 instruction
8336         that also clobbers the CC register. The old expand code is moved
8337         to ...
8338         (*arc_clzsi2): ... here.
8339         (ctzsi2): Expand to an arc_ctzsi2 instruction that also clobbers
8340         the CC register. The old expand code is moved to ...
8341         (arc_ctzsi2): ... here.
8342
8343 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8344
8345         * config/arc/arc.opt (mindexed-loads): Use initial value
8346         TARGET_INDEXED_LOADS_DEFAULT.
8347         (mauto-modify-reg): Use initial value
8348         TARGET_AUTO_MODIFY_REG_DEFAULT.
8349         * config/arc/elf.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8350         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8351         * config/arc/linux.h (TARGET_INDEXED_LOADS_DEFAULT): Define.
8352         (TARGET_AUTO_MODIFY_REG_DEFAULT): Likewise.
8353
8354 2017-07-17  Martin Liska  <mliska@suse.cz>
8355
8356         PR sanitizer/81302
8357         * opts.c (finish_options): Do not allow -fgnu-tm
8358         w/ -fsanitize={kernel-,}address.  Say sorry.
8359
8360 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8361
8362         PR target/81369
8363         * tree-loop-distribution.c (classify_partition): Only assert on
8364         numer of iterations.
8365         (merge_dep_scc_partitions): Delete prameter.  Update function call.
8366         (distribute_loop): Remove code handling loop with unknown niters.
8367         (pass_loop_distribution::execute): Skip loop with unknown niters.
8368
8369 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8370
8371         PR target/81369
8372         * tree-loop-distribution.c (merge_dep_scc_partitions): Sink call to
8373         function sort_partitions_by_post_order.
8374
8375 2017-07-17  Bin Cheng  <bin.cheng@arm.com>
8376
8377         PR tree-optimization/81374
8378         * tree-loop-distribution.c (pass_loop_distribution::execute): Record
8379         the max index of basic blocks, rather than number of basic blocks.
8380
8381 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8382
8383         * config/arc/arc-protos.h (arc_legitimate_pc_offset_p): Remove
8384         proto.
8385         (arc_legitimate_pic_operand_p): Likewise.
8386         * config/arc/arc.c (arc_legitimate_pic_operand_p): Remove
8387         function.
8388         (arc_needs_pcl_p): Likewise.
8389         (arc_legitimate_pc_offset_p): Likewise.
8390         (arc_legitimate_pic_addr_p): Remove LABEL_REF case, as this
8391         function is also used in constrains.md.
8392         (arc_legitimate_constant_p): Use arc_legitimate_pic_addr_p to
8393         validate pic constants. Handle CONST_INT, CONST_DOUBLE, MINUS and
8394         PLUS.  Only return true/false in known cases, otherwise assert.
8395         (arc_legitimate_address_p): Remove arc_legitimate_pic_addr_p as it
8396         is already called in arc_legitimate_constant_p.
8397         * config/arc/arc.h (CONSTANT_ADDRESS_P): Consider also LABEL for
8398         pic addresses.
8399         (LEGITIMATE_PIC_OPERAND_P): Use
8400         arc_raw_symbolic_reference_mentioned_p function.
8401         * config/arc/constraints.md (Cpc): Use arc_legitimate_pic_addr_p
8402         function.
8403         (Cal): Likewise.
8404         (C32): Likewise.
8405
8406 2017-07-17  Claudiu Zissulescu  <claziss@synopsys.com>
8407         Andrew Burgess  <andrew.burgess@embecosm.com>
8408
8409         * config/arc/arc-protos.h (arc_compute_function_type): Change prototype.
8410         (arc_return_address_register): New function.
8411         * config/arc/arc.c (arc_handle_fndecl_attribute): New function.
8412         (arc_handle_fndecl_attribute): Add naked attribute.
8413         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
8414         (TARGET_WARN_FUNC_RETURN): Likewise.
8415         (arc_allocate_stack_slots_for_args): New function.
8416         (arc_warn_func_return): Likewise.
8417         (machine_function): Change type fn_type.
8418         (arc_compute_function_type): Consider new naked function type,
8419         change function return type.
8420         (arc_must_save_register): Adapt to handle new
8421         arc_compute_function_type's return type.
8422         (arc_expand_prologue): Likewise.
8423         (arc_expand_epilogue): Likewise.
8424         (arc_return_address_regs): Delete.
8425         (arc_return_address_register): New function.
8426         (arc_epilogue_uses): Use above function.
8427         * config/arc/arc.h (arc_return_address_regs): Delete prototype.
8428         (arc_function_type): Change encoding, add naked type.
8429         (ARC_INTERRUPT_P): Change to handle the new encoding.
8430         (ARC_FAST_INTERRUPT_P): Likewise.
8431         (ARC_NORMAL_P): Define.
8432         (ARC_NAKED_P): Likewise.
8433         (arc_compute_function_type): Delete prototype.
8434         * config/arc/arc.md (in_ret_delay_slot): Use
8435         arc_return_address_register function.
8436         (simple_return): Likewise.
8437         (p_return_i): Likewise.
8438
8439 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8440
8441         PR tree-optimization/81428
8442         * match.pd (X / X -> one): Don't optimize _Fract divisions, as 1
8443         can't be built for those types.
8444
8445 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8446
8447         Remove stuff dead since r239246.
8448
8449         * config/avr/avr-arch.h (avr_inform_devices): Remove dead proto.
8450         * config/avr/avr-devices.c (mcu_name, comparator, avr_mcus_str)
8451         (avr_inform_devices): Remove dead stuff.
8452
8453 2017-07-17  Tamar Christina  <tamar.christina@arm.com>
8454
8455         * config/arm/arm_neon.h: Fix softp typo.
8456
8457 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8458
8459         PR tree-optimization/81365
8460         * tree-ssa-phiprop.c (propagate_with_phi): When considering hoisting
8461         aggregate moves onto bb predecessor edges, make sure there are no
8462         loads that could alias the lhs in between the start of bb and the
8463         loads from *phi.
8464
8465 2017-07-17  Georg-Johann Lay  <avr@gjlay.de>
8466
8467         PR 80929
8468         * config/avr/avr.c (avr_mul_highpart_cost): New static function.
8469         (avr_rtx_costs_1) [TRUNCATE]: Use it to compute mul_highpart cost.
8470         [LSHIFTRT, outer_code = TRUNCATE]: Same.
8471
8472 2017-07-17  Jakub Jelinek  <jakub@redhat.com>
8473
8474         PR tree-optimization/81396
8475         * tree-ssa-math-opts.c (struct symbolic_number): Add n_ops field.
8476         (init_symbolic_number): Initialize it to 1.
8477         (perform_symbolic_merge): Add n_ops from both operands into the new
8478         n_ops.
8479         (find_bswap_or_nop): Don't consider n->n == cmpnop computations
8480         without base_addr as useless if they need more than one operation.
8481         (bswap_replace): Handle !bswap case for NULL base_addr.
8482
8483 2017-07-17  Tom de Vries  <tom@codesourcery.com>
8484
8485         PR target/81069
8486         * config/nvptx/nvptx.c (nvptx_single): Insert diverging branch as late
8487         as possible.
8488
8489 2017-07-17  Sebastian Huber  <sebastian.huber@embedded-brains.de>
8490
8491         * config/sparc/rtemself.h (TARGET_OS_CPP_BUILTINS): Add
8492         conditional builtin define __FIX_LEON3FT_B2BST.
8493
8494 2017-07-17  Daniel Cederman  <cederman@gaisler.com>
8495
8496         * config/sparc/t-rtems: Add mfix-gr712rc multilibs. Replace
8497         MULTILIB_EXCEPTIONS with MULTILIB_REQUIRED. Match -mfix-gr712rc
8498         with -mfix-ut700.
8499
8500 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8501
8502         PR rtl-optimization/81424
8503         * optabs.c (prepare_cmp_insn): Use copy_to_reg instead of force_reg
8504         to remove potential trapping from operands if -fnon-call-exceptions.
8505
8506 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8507
8508         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Use
8509         profile_proability for scalling.
8510         * scale_profile_for_vect_loop.c (scale_profile_for_vect_loop): Likewise.
8511
8512 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8513
8514         * cgraph.c (cgraph_edge::redirect_call_stmt_to_caller): Cleanup.
8515
8516 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8517
8518         * cfgloopmanip.c (scale_loop_profile): Avoid use of REG_BR_PROB_BASE
8519         fixpoint arithmetics.
8520
8521 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8522
8523         * tree-ssa-loop-unswitch.c (hoist_guard): Avoid use of REG_BR_PROB_BASE
8524         fixpoint arithmetics.
8525
8526 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8527
8528         * asan.c (create_cond_insert_point): Avoid use of REG_BR_PROB_BASE
8529         fixpoint arithmetics.
8530
8531 2017-07-16  Jan Hubicka  <hubicka@ucw.cz>
8532
8533         * profile-count.h (profile_probability::from_reg_br_prob_note,
8534         profile_probability::to_reg_br_prob_note): New functions.
8535         * doc/rtl.texi (REG_BR_PROB_NOTE): Update documentation.
8536         * reg-notes.h (REG_BR_PROB, REG_BR_PRED): Update docs.
8537         * predict.c (probability_reliable_p): Update.
8538         (edge_probability_reliable_p): Update.
8539         (br_prob_note_reliable_p): Update.
8540         (invert_br_probabilities): Update.
8541         (add_reg_br_prob_note): New function.
8542         (combine_predictions_for_insn): Update.
8543         * asan.c (asan_clear_shadow): Update.
8544         * cfgbuild.c (compute_outgoing_frequencies): Update.
8545         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
8546         (update_br_prob_note): Update.
8547         (rtl_verify_edges): Update.
8548         (purge_dead_edges): Update.
8549         (fixup_reorder_chain): Update.
8550         * emit-rtl.c (try_split): Update.
8551         * ifcvt.c (cond_exec_process_insns): Update.
8552         (cond_exec_process_if_block): Update.
8553         (dead_or_predicable): Update.
8554         * internal-fn.c (expand_addsub_overflow): Update.
8555         (expand_neg_overflow): Update.
8556         (expand_mul_overflow): Update.
8557         * loop-doloop.c (doloop_modify): Update.
8558         * loop-unroll.c (compare_and_jump_seq): Update.
8559         * optabs.c (emit_cmp_and_jump_insn_1): Update.
8560         * predict.h: Update.
8561         * reorg.c (mostly_true_jump): Update.
8562         * rtl.h: Update.
8563         * config/aarch64/aarch64.c (aarch64_emit_unlikely_jump): Update.
8564         * config/alpha/alpha.c (emit_unlikely_jump): Update.
8565         * config/arc/arc.c: (emit_unlikely_jump): Update.
8566         * config/arm/arm.c: (emit_unlikely_jump): Update.
8567         * config/bfin/bfin.c (cbranch_predicted_taken_p): Update.
8568         * config/frv/frv.c (frv_print_operand_jump_hint): Update.
8569         * config/i386/i386.c (ix86_expand_split_stack_prologue): Update.
8570         (ix86_print_operand): Update.
8571         (ix86_split_fp_branch): Update.
8572         (predict_jump): Update.
8573         * config/ia64/ia64.c (ia64_print_operand): Update.
8574         * config/mmix/mmix.c (mmix_print_operand): Update.
8575         * config/powerpcspe/powerpcspe.c (output_cbranch): Update.
8576         (rs6000_expand_split_stack_prologue): Update.
8577         * config/rs6000/rs6000.c: Update.
8578         * config/s390/s390.c (s390_expand_vec_strlen): Update.
8579         (s390_expand_vec_movstr): Update.
8580         (s390_expand_cs_tdsi): Update.
8581         (s390_expand_split_stack_prologue): Update.
8582         * config/sh/sh.c (sh_print_operand): Update.
8583         (expand_cbranchsi4): Update.
8584         (expand_cbranchdi4): Update.
8585         * config/sparc/sparc.c (output_v9branch): Update.
8586         * config/spu/spu.c (get_branch_target): Update.
8587         (ea_load_store_inline): Update.
8588         * config/tilegx/tilegx.c (cbranch_predicted_p): Update.
8589         * config/tilepro/tilepro.c: Update.
8590
8591 2017-07-16  Eric Botcazou  <ebotcazou@adacore.com>
8592
8593         * gimplify.c (mostly_copy_tree_r): Revert latest change.
8594         (gimplify_save_expr): Likewise.
8595
8596 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8597
8598         * ipa-visibility.c (function_and_variable_visibility): Fix pasto.
8599
8600 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8601
8602         * ipa-fnsummary.c (pass_data_ipa_fn_summary): Use
8603         TV_IPA_FNSUMMARY.
8604         * timevar.def (TV_IPA_FNSUMMARY): Define.
8605
8606 2017-07-16  Daniel Cederman  <cederman@gaisler.com>
8607
8608         * config/sparc/sparc.md (divdf3_fix): Add NOP to prevent back
8609         to back store errata sensitive sequence from being generated.
8610         (sqrtdf2_fix): Likewise.
8611
8612 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8613
8614         * tree-ssa-threadupdate.c (compute_path_counts,
8615         update_joiner_offpath_counts): Use profile_probability.
8616
8617 2017-07-15  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8618
8619         Revert:
8620         2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8621
8622         * config/arm/arm-c.c (arm_cpu_builtins): Define
8623         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8624
8625 2017-07-14  Kelvin Nilsen  <kelvin@gcc.gnu.org>
8626
8627         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
8628         array entries to represent __ieee128 versions of the
8629         scalar_test_data_class, scalar_test_neg, scalar_extract_exp,
8630         scalar_extract_sig, and scalar_insert_exp built-in functions.
8631         (altivec_resolve_overloaded_builtin): Add special case handling
8632         for the __builtin_scalar_insert_exp function, as represented by
8633         the P9V_BUILTIN_VEC_VSIEDP constant.
8634         * config/rs6000/rs6000-builtin.def (VSEEQP): Add scalar extract
8635         exponent support for __ieee128 argument.
8636         (VSESQP): Add scalar extract signature support for __ieee128
8637         argument.
8638         (VSTDCNQP): Add scalar test negative support for __ieee128
8639         argument.
8640         (VSIEQP): Add scalar insert exponent support for __int128 argument
8641         with __ieee128 result.
8642         (VSIEQPF): Add scalar insert exponent support for __ieee128
8643         argument with __ieee128 result.
8644         (VSTDCQP): Add scalar test data class support for __ieee128
8645         argument.
8646         (VSTDCNQP): Add overload support for scalar test negative with
8647         __ieee128 argument.
8648         (VSTDCQP): Add overload support for scalar test data class
8649         __ieee128 argument.
8650         * config/rs6000/vsx.md (UNSPEC_VSX_SXSIG) Replace
8651         UNSPEC_VSX_SXSIGDP.
8652         (UNSPEC_VSX_SIEXPQP): New constant.
8653         (xsxexpqp): New insn for VSX scalar extract exponent quad
8654         precision.
8655         (xsxsigqp): New insn for VSX scalar extract significand quad
8656         precision.
8657         (xsiexpqpf): New insn for VSX scalar insert exponent quad
8658         precision with floating point argument.
8659         (xststdcqp): New expand for VSX scalar test data class quad
8660         precision.
8661         (xststdcnegqp): New expand for VSX scalar test negative quad
8662         precision.
8663         (xststdcqp): New insn to match expansions for VSX scalar test data
8664         class quad precision and VSX scalar test negative quad precision.
8665         * config/rs6000/rs6000.c (rs6000_expand_binop_builtin): Add
8666         special case operand checking to enforce that second operand of
8667         VSX scalar test data class with quad precision argument is a 7-bit
8668         unsigned literal.
8669         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
8670         prototypes and descriptions of __ieee128 versions of
8671         scalar_extract_exp, scalar_extract_sig, scalar_insert_exp,
8672         scalar_test_data_class, and scalar_test_neg built-in functions.
8673
8674 2016-07-14  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
8675
8676         PR tree-optimization/81162
8677         * gimple-ssa-strength-reduction.c (replace_mult_candidate): Don't
8678         replace a negate with an add.
8679
8680 2017-07-14  James Greenhalgh  <james.greenhalgh@arm.com>
8681
8682         * doc/invoke.texi (arm/-mcpu): Document +crypto.
8683
8684 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8685
8686         * config/arm/arm-c.c (arm_cpu_builtins): Define
8687         __ARM_FEATURE_NUMERIC_MAXMIN solely based on TARGET_VFP5.
8688
8689 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8690
8691         * config/arm/arm-cpus.in (cortex-r52): Add new entry.
8692         (armv8-r): Set ARM Cortex-R52 as default CPU.
8693         * config/arm/arm-tables.opt: Regenerate.
8694         * config/arm/arm-tune.md: Regenerate.
8695         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
8696         Cortex-R52.
8697         * doc/invoke.texi: Mention -mtune=cortex-r52 and availability of fp.dp
8698         extension for -mcpu=cortex-r52.
8699
8700 2017-07-14  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8701
8702         * config/arm/arm-isa.h (isa_bit_FP_ARMv8): Delete enumerator.
8703         (ISA_FP_ARMv8): Define as ISA_FPv5 and ISA_FP_D32.
8704         * config/arm/arm-cpus.in (armv8-r): Define fp.sp as enabling FPv5.
8705         (fp-armv8): Define it as FP_ARMv8 only.
8706         config/arm/arm.h (TARGET_FPU_ARMV8): Delete.
8707         (TARGET_VFP_FP16INST): Define using TARGET_VFP5 rather than
8708         TARGET_FPU_ARMV8.
8709         config/arm/arm.c (arm_rtx_costs_internal): Replace checks against
8710         TARGET_FPU_ARMV8 by checks against TARGET_VFP5.
8711         * config/arm/arm-builtins.c (arm_builtin_vectorized_function): Define
8712         first ARM_CHECK_BUILTIN_MODE definition using TARGET_VFP5 rather
8713         than TARGET_FPU_ARMV8.
8714         * config/arm/arm-c.c (arm_cpu_builtins): Likewise for
8715         __ARM_FEATURE_NUMERIC_MAXMIN macro definition.
8716         * config/arm/arm.md (cmov<mode>): Condition on TARGET_VFP5 rather than
8717         TARGET_FPU_ARMV8.
8718         * config/arm/neon.md (neon_vrint): Likewise.
8719         (neon_vcvt): Likewise.
8720         (neon_<fmaxmin_op><mode>): Likewise.
8721         (<fmaxmin><mode>3): Likewise.
8722         * config/arm/vfp.md (l<vrint_pattern><su_optab><mode>si2): Likewise.
8723         * config/arm/predicates.md (arm_cond_move_operator): Check against
8724         TARGET_VFP5 rather than TARGET_FPU_ARMV8 and fix spacing.
8725
8726 2017-07-14  Jackson Woodruff  <jackson.woodruff@arm.com>
8727
8728         * config/aarch64/aarch64.c (aarch64_print_operand): Move comments
8729         to top of function.
8730
8731 2017-07-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
8732
8733         * gimple-ssa-store-merging.c (clear_bit_region): Replace reference to
8734         loop in comment with memset.
8735
8736 2017-07-14  Martin Liska  <mliska@suse.cz>
8737
8738         * cfgexpand.c (expand_gimple_basic_block): Remove dead comment.
8739         * dwarf2out.c (is_java): Remove the function.
8740         (output_pubname): Remove usage of the function.
8741         (lower_bound_default): Remove usage of DW_LANG_Java.
8742         (gen_compile_unit_die): Likewise.
8743         * gcc.c: Remove compiler defaults for .java and .zip files.
8744         * gimple-expr.c (remove_suffix): Change as there's no longer
8745         extension than 4-letter one.
8746         * gimplify.c (mostly_copy_tree_r): Remove Java-special part.
8747         (gimplify_save_expr): Likewise.
8748         * ipa-utils.h (polymorphic_type_binfo_p): Remove the comment
8749         as it's possible even for other languages than Java.
8750         * langhooks.h (struct lang_hooks): Remove Java from a comment.
8751         * lto-opts.c (lto_write_options): Remove reference to Java.
8752         * opts.c (strip_off_ending): Update file extension handling.
8753         * tree-cfg.c (verify_gimple_call): Remove comment with Java.
8754         * tree-eh.c (lower_resx): Likewise.
8755         * tree.c (free_lang_data_in_type): Remove dead code.
8756         (find_decls_types_r): Likewise.
8757         (build_common_builtin_nodes): Remove Java from a comment.
8758         (verify_type): Remove dead code.
8759         * varasm.c (assemble_external): Remove Java from a comment.
8760
8761 2017-07-14  Martin Liska  <mliska@suse.cz>
8762
8763         * opts.c (finish_options): Add quotes.
8764         (common_handle_option): Likewise.
8765
8766 2017-07-14  Martin Liska  <mliska@suse.cz>
8767
8768         * dbxout.c (get_lang_number): Do not handle GNU Pascal.
8769         * dbxout.h (extern void dbxout_stab_value_internal_label_diff):
8770         Remove N_SO_PASCAL.
8771         * dwarf2out.c (lower_bound_default): Do not handle
8772         DW_LANG_Pascal83.
8773         (gen_compile_unit_die): Likewise.
8774         * gcc.c: Remove default extension binding for GNU Pascal.
8775         * stmt.c: Remove Pascal language from a comment.
8776         * xcoffout.c: Likewise.
8777
8778 2017-07-13  David Malcolm  <dmalcolm@redhat.com>
8779
8780         PR c/81405
8781         * diagnostic-show-locus.c (fixit_cmp): New function.
8782         (layout::layout): Sort m_fixit_hints.
8783         (column_range::column_range): Assert that the values are valid.
8784         (struct char_span): New struct.
8785         (correction::overwrite): New method.
8786         (struct source_line): New struct.
8787         (line_corrections::add_hint): Add assertions.  Reimplement memcpy
8788         calls in terms of classes source_line and char_span, and
8789         correction::overwrite.
8790         (selftest::test_overlapped_fixit_printing_2): New function.
8791         (selftest::diagnostic_show_locus_c_tests): Call it.
8792
8793 2017-07-13  Will Schmidt  <will_schmidt@vnet.ibm.com>
8794
8795         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Return
8796         early if there is no lhs.
8797
8798 2017-07-13  Martin Liska  <mliska@suse.cz>
8799
8800         * dwarf2out.c (gen_pointer_type_die): Remove dead code.
8801         (gen_reference_type_die): Likewise.
8802         * stor-layout.c: Remove Pascal-related comment.
8803
8804 2017-07-13  Martin Liska  <mliska@suse.cz>
8805
8806         * opts.c (finish_options): Add quotes to error messages.
8807         (parse_sanitizer_options): Likewise.
8808
8809 2017-07-13  Thomas Preud'homme  <thomas.preudhomme@arm.com>
8810
8811         * doc/invoke.texi (armv8-r): Document +fp.sp ARMv8-R extension.
8812
8813 2017-07-13  Richard Earnshaw  <rearnsha@arm.com>
8814
8815         * config/arm/vxworks.h (TARGET_ENDIAN_DEFAULT): Define.
8816
8817 2017-07-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
8818
8819         * asan.c (asan_emit_allocas_unpoison): Use ptr_mode for arguments
8820         during expansion.
8821         * builtins.c (expand_asan_emit_allocas_unpoison): Likewise.
8822
8823 2017-07-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
8824
8825         PR target/81193
8826         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): If GLIBC
8827         provides the hardware capability bits, define the macro
8828         __BUILTIN_CPU_SUPPORTS__.
8829         * config/rs6000/rs6000.c (cpu_expand_builtin): Generate a warning
8830         if GLIBC does not provide the hardware capability bits.  Add a
8831         gcc_unreachable call if the built-in cpu function is neither
8832         __builtin_cpu_is nor __builtin_cpu_supports.
8833         (rs6000_get_function_versions_dispatcher): Change the warning
8834         that an old GLIBC is used which does not export the capability
8835         bits to be an error.
8836         * doc/extend.texi (target_clones attribute): Document the
8837         restriction that GLIBC 2.23 or newer is needed on the PowerPC.
8838         (PowerPC built-in functions): Document that GLIBC 2.23 or newer is
8839         needed by __builtin_cpu_is and __builtin_cpu_supports.  Document
8840         the macros defined by GCC if the newer GLIBC is available.
8841
8842 2017-07-12  Jeff Law  <law@redhat.com>
8843
8844         * config/riscv/riscv.c: Remove unnecessary includes.  Reorder
8845         remaining includes slightly.
8846         * config/riscv/riscv-builtins.c: Include profile-count.h.
8847
8848 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8849
8850         PR target/79883
8851         * config/avr/avr.c (avr_set_current_function): In diagnostic
8852         messages: Quote keywords and (parts of) identifiers.
8853         [WITH_AVRLIBC]: Warn for functions named "ISR", "SIGNAL" or
8854         "INTERUPT".
8855
8856 2017-07-12  Carl Love  <cel@us.ibm.com>
8857
8858         * config/rs6000/rs6000-c.c: Add support for built-in functions
8859         vector bool char vec_revb (vector bool char);
8860         vector bool short vec_revb (vector short char);
8861         vector bool int vec_revb (vector bool int);
8862         vector bool long long vec_revb (vector bool long long);
8863         * doc/extend.texi: Update the built-in documentation file for the
8864         new built-in functions.
8865
8866 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8867
8868         * config/s390/s390.md: Remove movcc splitter.
8869
8870 2017-07-12  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
8871
8872         * config/s390/s390.c (s390_rtx_costs): Return proper costs for
8873         load/store on condition.
8874
8875 2017-07-12  Georg-Johann Lay  <avr@gjlay.de>
8876
8877         PR target/81407
8878         * config/avr/avr.c (avr_encode_section_info)
8879         [progmem && !TREE_READONLY]: Error if progmem object needs
8880         constructing.
8881
8882 2017-07-11  Michael Collison  <michael.collison@arm.com>
8883
8884         * config/aarch64/aarch64-simd.md (aarch64_sub<mode>_compare0):
8885         New pattern.
8886
8887 2017-07-11  Carl Love  <cel@us.ibm.com>
8888
8889         * config/rs6000/rs6000-c.c: Add support for builtins
8890         vector unsigned int vec_parity_lsbb (vector signed int);
8891         vector unsigned int vec_parity_lsbb (vector unsigned int);
8892         vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
8893         vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
8894         vector unsigned long long vec_parity_lsbb (vector signed long long);
8895         vector unsigned long long vec_parity_lsbb (vector unsigned long long);
8896         * config/rs6000/rs6000-builtin.def (VPARITY_LSBB): Add BU_P9V_OVERLOAD1.
8897         * config/rs6000/altivec.h (vec_parity_lsbb): Add define.
8898         * doc/extend.texi: Update the built-in documentation file for the
8899         new built-in functions.
8900
8901 2017-07-11  David Malcolm  <dmalcolm@redhat.com>
8902
8903         * diagnostic-show-locus.c: Include "gcc-rich-location.h".
8904         (layout::m_primary_loc): New field.
8905         (layout::layout): Initialize new field.  Move location filtering
8906         logic from here to...
8907         (layout::maybe_add_location_range): ...this new method.  Add
8908         support for filtering to just the lines already specified by other
8909         locations.
8910         (layout::will_show_line_p): New method.
8911         (gcc_rich_location::add_location_if_nearby): New method.
8912         (selftest::test_add_location_if_nearby): New test function.
8913         (selftest::diagnostic_show_locus_c_tests): Call it.
8914         * gcc-rich-location.h (gcc_rich_location::add_location_if_nearby):
8915         New method.
8916
8917 2017-07-11  Tom de Vries  <tom@codesourcery.com>
8918
8919         * config/nvptx/nvptx.c (WORKAROUND_PTXJIT_BUG): New macro.
8920         (bb_first_real_insn): New function.
8921         (nvptx_single): Add extra initialization of broadcasted condition
8922         variables.
8923
8924 2017-07-11  Nathan Sidwell  <nathan@acm.org>
8925
8926         * dwarf2out.c (gen_member_die): Remove useless check for anon ctors.
8927
8928 2017-07-11  Georg-Johann Lay  <avr@gjlay.de>
8929
8930         * doc/extend.texi (AVR Function Attributes): Remove weblink to
8931         Binutils doc as TEXI will mess them up.
8932         * doc/invoke.texi (AVR Options): Same here.
8933
8934 2017-07-11  Daniel Cederman  <cederman@gaisler.com>
8935
8936         * config/sparc/sparc.opt (mfix-ut700): New option.
8937         (mfix-gr712rc): Likewise.
8938         (sparc_fix_b2bst): New variable.
8939         * doc/invoke.texi (SPARC options): Document them.
8940         (ARM options): Fix warnings.
8941         * config/sparc/sparc.c (sparc_do_work_around_errata): Insert NOP
8942         instructions to prevent sequences that can trigger the store-store
8943         errata for certain LEON3FT processors.
8944         (pass_work_around_errata::gate): Also test sparc_fix_b2bst.
8945         (sparc_option_override): Set sparc_fix_b2bst appropriately.
8946         * config/sparc/sparc.md (fix_b2bst): New attribute.
8947         (in_branch_delay): Prevent stores in delay slot if fix_b2bst.
8948
8949 2017-07-10  Uros Bizjak  <ubizjak@gmail.com>
8950
8951         PR target/81375
8952         * config/i386/i386.md (divsf3): Add TARGET_SSE to TARGET_SSE_MATH.
8953         (rcpps): Ditto.
8954         (*rsqrtsf2_sse): Ditto.
8955         (rsqrtsf2): Ditto.
8956         (div<mode>3): Macroize insn from divdf3 and divsf3
8957         using MODEF mode iterator.
8958
8959 2017-07-10  Martin Sebor  <msebor@redhat.com>
8960
8961         PR tree-optimization/80397
8962         * gimple-ssa-sprintf.c (format_integer): Use INTEGRAL_TYPE_P()
8963         instead of testing for equality to INTEGER_TYPE.
8964
8965 2017-07-10  Vineet Gupta <vgupta@synopsys.com>
8966
8967         * config.gcc: Remove uclibc from arc target spec.
8968
8969 2017-07-10  Claudiu Zissulescu  <claziss@synopsys.com>
8970
8971         * config/arc/arc.h (ADDITIONAL_REGISTER_NAMES): Define.
8972
8973 2017-07-07  Jan Hubicka  <hubicka@ucw.cz>
8974
8975         PR lto/80838
8976         * lto-wrapper.c (remove_option): New function.
8977         (merge_and_complain): Merge PIC/PIE options more realistically.
8978
8979 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
8980
8981         Better ISR prologues by supporting GASes __gcc_isr pseudo insn.
8982
8983         PR target/20296
8984         PR target/81268
8985         * configure.ac [target=avr]: Add GAS check for -mgcc-isr.
8986         (HAVE_AS_AVR_MGCCISR_OPTION):  If so, AC_DEFINE it.
8987         * config.in: Regenerate.
8988         * configure: Regenerate.
8989         * doc/extend.texi (AVR Function Attributes) <no_gccisr>: Document it.
8990         * doc/invoke.texi (AVR Options) <-mgas-isr-prologues>: Document it.
8991         * config/avr/avr.opt (-mgas-isr-prologues): New option and...
8992         (TARGET_GASISR_PROLOGUES): ...target mask.
8993         * common/config/avr/avr-common.c
8994         (avr_option_optimization_table) [OPT_LEVELS_1_PLUS_NOT_DEBUG]:
8995         Set -mgas-isr-prologues.
8996         * config/avr/avr-passes.def (avr_pass_pre_proep): Add
8997         INSERT_PASS_BEFORE for it.
8998         * config/avr/avr-protos.h (make_avr_pass_pre_proep): New proto.
8999         * config/avr/avr.c (avr_option_override)
9000         [!HAVE_AS_AVR_MGCCISR_OPTION]: Unset TARGET_GASISR_PROLOGUES.
9001         (avr_no_gccisr_function_p, avr_hregs_split_reg): New static functions.
9002         (avr_attribute_table) <no_gccisr>: Add new function attribute.
9003         (avr_set_current_function) <is_no_gccisr>: Init machine field.
9004         (avr_pass_data_pre_proep, avr_pass_pre_proep): New pass data
9005         and rtl_opt_pass.
9006         (make_avr_pass_pre_proep): New function.
9007         (emit_push_sfr) <treg>: Add argument to function and use it
9008         instead of TMP_REG.
9009         (avr_expand_prologue) [machine->gasisr.maybe]: Emit gasisr insn
9010         and set machine->gasisr.yes.
9011         (avr_expand_epilogue) [machine->gasisr.yes]: Similar.
9012         (avr_asm_function_end_prologue) [machine->gasisr.yes]: Add
9013         __gcc_isr.n_pushed to .L__stack_usage.
9014         (TARGET_ASM_FINAL_POSTSCAN_INSN): Define to...
9015         (avr_asm_final_postscan_insn): ...this new static function.
9016         * config/avr/avr.h (machine_function)
9017         <is_no_gccisr, use_L__stack_usage>: New fields.
9018         <gasisr, gasisr.yes, gasisr.maybe, gasisr.regno>: New fields.
9019         * config/avr/avr.md (UNSPECV_GASISR): Add unspecv enum.
9020         (GASISR_Prologue, GASISR_Epilogue, GASISR_Done): New define_constants.
9021         (gasisr, *gasisr): New expander and insn.
9022         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
9023         [HAVE_AS_AVR_MGCCISR_OPTION]: Print asm_gccisr spec.
9024         * config/avr/specs.h (ASM_SPEC) <asm_gccisr>: Add sub spec.
9025
9026 2017-07-10  Richard Earnshaw  <rearnsha@arm.com>
9027
9028         * config/arm/parsecpu.awk (gen_comm_data): Do not escape single quotes
9029         in quoted strings.
9030
9031 2017-07-10  Georg-Johann Lay  <avr@gjlay.de>
9032
9033         Move jump-tables out of .text again.
9034
9035         PR target/81075
9036         * config/avr/avr.c (ASM_OUTPUT_ADDR_VEC_ELT): Remove function.
9037         (ASM_OUTPUT_ADDR_VEC): New function.
9038         (avr_adjust_insn_length) [JUMP_TABLE_DATA_P]: Return 0.
9039         (avr_final_prescan_insn) [avr_log.insn_addresses]: Dump
9040         INSN_ADDRESSes as asm comment.
9041         * config/avr/avr.h (JUMP_TABLES_IN_TEXT_SECTION): Adjust comment.
9042         (ASM_OUTPUT_ADDR_VEC_ELT): Remove define.
9043         (ASM_OUTPUT_ADDR_VEC): Define to avr_output_addr_vec.
9044         * config/avr/avr.md (*tablejump): Adjust comment.
9045         * config/avr/elf.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
9046         * config/avr/avr-log.c (avr_log_set_avr_log) <insn_addresses>:
9047         New detail.
9048         * config/avr/avr-protos.h (avr_output_addr_vec_elt): Remove proto.
9049         (avr_output_addr_vec): New proto.
9050         (avr_log_t) <insn_addresses>: New field.
9051
9052 2017-07-09  H.J. Lu  <hongjiu.lu@intel.com>
9053
9054         PR target/81313
9055         * config/i386/i386.c (ix86_function_arg_advance): Set
9056         outgoing_args_on_stack to true if there are outgoing arguments
9057         on stack.
9058         (ix86_function_arg): Likewise.
9059         (ix86_get_drap_rtx): Use DRAP only if there are outgoing
9060         arguments on stack and ACCUMULATE_OUTGOING_ARGS is false.
9061         * config/i386/i386.h (machine_function): Add
9062         outgoing_args_on_stack.
9063
9064 2017-07-09  Krister Walfridsson  <krister.walfridsson@gmail.com>
9065
9066         * config.gcc (*-*-netbsd*): Remove check for NetBSD versions not
9067         supporting pthreds.
9068         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always enable pthreads.
9069
9070 2017-07-08  Richard Sandiford  <richard.sandiford@linaro.org>
9071
9072         * Makefile.in (HOOKS_H, RTL_BASE_H, FUNCTION_H, EXPR_H, REGS_H)
9073         (REAL_H): Remove $(MACHMODE_H).
9074         (FIXED_VALUE_H, TREE_CORE_H, CFGLOOP_H): Remove $(MACHMODE_H) and
9075         double-int.h.
9076         (CORETYPES_H): Add signop.h, wide-int.h, wide-int-print.h,
9077         $(MACHMODE_H) and double-int.h.
9078         (build/min-insn-modes.o): Depend on $(CORETYPES_H) rather than
9079         $(MACHMODE_H).
9080         (gengtype-state.o, gengtype.o, build/gengtype.o): Don't depend on
9081         double-int.h.
9082
9083 2017-07-07  Andrew Pinski  <apinski@cavium.com>
9084
9085         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Check
9086         prev_set and curr_set for AARCH64_FUSE_ALU_BRANCH.
9087
9088 2017-07-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
9089
9090         * config/rs6000/rs6000.c (rs6000_get_function_versions_dispatcher):
9091         Add warning if GCC was not configured to link against a GLIBC that
9092         exports the hardware capability bits.
9093         (make_resolver_func): Make resolver function private and not a
9094         COMDAT function.  Create the name with clone_function_name instead
9095         of make_unique_name.
9096
9097         PR target/81348
9098         * config/rs6000/rs6000.md (HI sign_extend splitter): Use the
9099         correct operand in doing the split.
9100
9101 2017-07-07 Carl Love  <cel@us.ibm.com>
9102
9103         * config/rs6000/rs6000-c: Add support for built-in function
9104         vector unsigned short vec_pack_to_short_fp32 (vector float,
9105                                                       vector float).
9106         * config/rs6000/rs6000-builtin.def (CONVERT_4F32_8I16): Add
9107         BU_P9V_AV_2 and BU_P9V_OVERLOAD_2 definitions.
9108         * config/rs6000/altivec.h (vec_pack_to_short_fp32): Add define.
9109         * config/rs6000/altivec.md(UNSPEC_CONVERT_4F32_8I16): Add UNSPEC.
9110         (convert_4f32_8i16): Add define_expand.
9111         * doc/extend.texi: Update the built-in documentation file for the
9112         new built-in function.
9113
9114 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9115
9116         * config/sparc/m8.md: New file.
9117         * config/sparc/sparc.md: Include m8.md.
9118
9119 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9120
9121         * config/sparc/sparc.opt: New option -mvis4b.
9122         * config/sparc/sparc.c (dump_target_flag_bits): Handle MASK_VIS4B.
9123         (sparc_option_override): Handle VIS4B.
9124         (enum sparc_builtins): Define
9125         SPARC_BUILTIN_DICTUNPACK{8,16,32},
9126         SPARC_BUILTIN_FPCMP{LE,GT,EQ,NE}{8,16,32}SHL,
9127         SPARC_BUILTIN_FPCMPU{LE,GT}{8,16,32}SHL,
9128         SPARC_BUILTIN_FPCMPDE{8,16,32}SHL and
9129         SPARC_BUILTIN_FPCMPUR{8,16,32}SHL.
9130         (check_constant_argument): New function.
9131         (sparc_vis_init_builtins): Define builtins
9132         __builtin_vis_dictunpack{8,16,32},
9133         __builtin_vis_fpcmp{le,gt,eq,ne}{8,16,32}shl,
9134         __builtin_vis_fpcmpu{le,gt}{8,16,32}shl,
9135         __builtin_vis_fpcmpde{8,16,32}shl and
9136         __builtin_vis_fpcmpur{8,16,32}shl.
9137         (sparc_expand_builtin): Check that the constant operands to
9138         __builtin_vis_fpcmp*shl and _builtin_vis_dictunpack* are indeed
9139         constant and in range.
9140         * config/sparc/sparc-c.c (sparc_target_macros): Handle
9141         TARGET_VIS4B.
9142         * config/sparc/sparc.h (SPARC_IMM2_P): Define.
9143         (SPARC_IMM5_P): Likewise.
9144         * config/sparc/sparc.md (cpu_feature): Add new feagure "vis4b".
9145         (enabled): Handle vis4b.
9146         (UNSPEC_DICTUNPACK): New unspec.
9147         (UNSPEC_FPCMPSHL): Likewise.
9148         (UNSPEC_FPUCMPSHL): Likewise.
9149         (UNSPEC_FPCMPDESHL): Likewise.
9150         (UNSPEC_FPCMPURSHL): Likewise.
9151         (cpu_feature): New CPU feature `vis4b'.
9152         (dictunpack{8,16,32}): New insns.
9153         (FPCSMODE): New mode iterator.
9154         (fpcscond): New code iterator.
9155         (fpcsucond): Likewise.
9156         (fpcmp{le,gt,eq,ne}{8,16,32}{si,di}shl): New insns.
9157         (fpcmpu{le,gt}{8,16,32}{si,di}shl): Likewise.
9158         (fpcmpde{8,16,32}{si,di}shl): Likewise.
9159         (fpcmpur{8,16,32}{si,di}shl): Likewise.
9160         * config/sparc/constraints.md: Define constraints `q' for unsigned
9161         2-bit integer constants and `t' for unsigned 5-bit integer
9162         constants.
9163         * config/sparc/predicates.md (imm5_operand_dictunpack8): New
9164         predicate.
9165         (imm5_operand_dictunpack16): Likewise.
9166         (imm5_operand_dictunpack32): Likewise.
9167         (imm2_operand): Likewise.
9168         * doc/invoke.texi (SPARC Options): Document -mvis4b.
9169         * doc/extend.texi (SPARC VIS Built-in Functions): Document the
9170         ditunpack* and fpcmp*shl builtins.
9171
9172 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9173
9174         * config.gcc: Handle m8 in --with-{cpu,tune} options.
9175         * config.in: Add HAVE_AS_SPARC6 define.
9176         * config/sparc/driver-sparc.c (cpu_names): Add entry for the SPARC
9177         M8.
9178         * config/sparc/sol2.h (CPP_CPU64_DEFAULT_SPEC): Define for
9179         TARGET_CPU_m8.
9180         (ASM_CPU32_DEFAUILT_SPEC): Likewise.
9181         (CPP_CPU_SPEC): Handle m8.
9182         (ASM_CPU_SPEC): Likewise.
9183         * config/sparc/sparc-opts.h (enum processor_type): Add
9184         PROCESSOR_M8.
9185         * config/sparc/sparc.c (m8_costs): New struct.
9186         (sparc_option_override): Handle TARGET_CPU_m8.
9187         (sparc32_initialize_trampoline): Likewise.
9188         (sparc64_initialize_trampoline): Likewise.
9189         (sparc_issue_rate): Likewise.
9190         (sparc_register_move_cost): Likewise.
9191         * config/sparc/sparc.h (TARGET_CPU_m8): Define.
9192         (CPP_CPU64_DEFAULT_SPEC): Define for M8.
9193         (ASM_CPU64_DEFAULT_SPEC): Likewise.
9194         (CPP_CPU_SPEC): Handle M8.
9195         (ASM_CPU_SPEC): Likewise.
9196         (AS_M8_FLAG): Define.
9197         * config/sparc/sparc.md: Add m8 to the cpu attribute.
9198         * config/sparc/sparc.opt: New option -mcpu=m8 for sparc targets.
9199         * configure.ac (HAVE_AS_SPARC6): Check for assembler support for
9200         M8 instructions.
9201         * configure: Regenerate.
9202         * doc/invoke.texi (SPARC Options): Document -mcpu=m8 and
9203         -mtune=m8.
9204
9205 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9206
9207         * config/sparc/niagara7.md: Rework the DFA scheduler to use insn
9208         subtypes.
9209         * config/sparc/sparc.md: Remove the `v3pipe' insn attribute.
9210         ("*movdi_insn_sp32"): Do not set v3pipe.
9211         ("*movsi_insn"): Likewise.
9212         ("*movdi_insn_sp64"): Likewise.
9213         ("*movsf_insn"): Likewise.
9214         ("*movdf_insn_sp32"): Likewise.
9215         ("*movdf_insn_sp64"): Likewise.
9216         ("*zero_extendsidi2_insn_sp64"): Likewise.
9217         ("*sign_extendsidi2_insn"): Likewise.
9218         ("*mov<VM32:mode>_insn"): Likewise.
9219         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9220         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9221         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
9222         ("<vlop:code><VL:mode>3"): Likewise.
9223         ("*not_<vlop:code><VL:mode>3"): Likewise.
9224         ("*nand<VL:mode>_vis"): Likewise.
9225         ("*<vlnotop:code>_not1<VL:mode>_vis"): Likewise.
9226         ("*<vlnotop:code>_not2<VL:mode>_vis"): Likewise.
9227         ("one_cmpl<VL:mode>2"): Likewise.
9228         ("faligndata<VM64:mode>_vis"): Likewise.
9229         ("alignaddrsi_vis"): Likewise.
9230         ("alignaddrdi_vis"): Likweise.
9231         ("alignaddrlsi_vis"): Likewise.
9232         ("alignaddrldi_vis"): Likewise.
9233         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9234         ("bmaskdi_vis"): Likewise.
9235         ("bmasksi_vis"): Likewise.
9236         ("bshuffle<VM64:mode>_vis"): Likewise.
9237         ("cmask8<P:mode>_vis"): Likewise.
9238         ("cmask16<P:mode>_vis"): Likewise.
9239         ("cmask32<P:mode>_vis"): Likewise.
9240         ("pdistn<P:mode>_vis"): Likewise.
9241         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9242
9243 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9244
9245         * config/sparc/sparc.md ("subtype"): New insn attribute.
9246         ("*wrgsr_sp64"): Set insn subtype.
9247         ("*rdgsr_sp64"): Likewise.
9248         ("alignaddrsi_vis"): Likewise.
9249         ("alignaddrdi_vis"): Likewise.
9250         ("alignaddrlsi_vis"): Likewise.
9251         ("alignaddrldi_vis"): Likewise.
9252         ("<plusminus_insn><VADDSUB:mode>3"): Likewise.
9253         ("fexpand_vis"): Likewise.
9254         ("fpmerge_vis"): Likewise.
9255         ("faligndata<VM64:mode>_vis"): Likewise.
9256         ("bshuffle<VM64:mode>_vis"): Likewise.
9257         ("cmask8<P:mode>_vis"): Likewise.
9258         ("cmask16<P:mode>_vis"): Likewise.
9259         ("cmask32<P:mode>_vis"): Likewise.
9260         ("fchksm16_vis"): Likewise.
9261         ("v<vis3_shift_patname><GCM:mode>3"): Likewise.
9262         ("fmean16_vis"): Likewise.
9263         ("fp<plusminus_insn>64_vis"): Likewise.
9264         ("<plusminus_insn>v8qi3"): Likewise.
9265         ("<vis3_addsub_ss_patname><VASS:mode>3"): Likewise.
9266         ("<vis4_minmax_patname><VMMAX:mode>3"): Likewise.
9267         ("<vis4_uminmax_patname><VMMAX:mode>3"): Likewise.
9268         ("<vis3_addsub_ss_patname>v8qi3"): Likewise.
9269         ("<vis4_addsub_us_patname><VAUS:mode>3"): Likewise.
9270         ("*movqi_insn"): Likewise.
9271         ("*movhi_insn"): Likewise.
9272         ("*movsi_insn"): Likewise.
9273         ("movsi_pic_gotdata_op"): Likewise.
9274         ("*movdi_insn_sp32"): Likewise.
9275         ("*movdi_insn_sp64"): Likewise.
9276         ("movdi_pic_gotdata_op"): Likewise.
9277         ("*movsf_insn"): Likewise.
9278         ("*movdf_insn_sp32"): Likewise.
9279         ("*movdf_insn_sp64"): Likewise.
9280         ("*zero_extendhisi2_insn"): Likewise.
9281         ("*zero_extendqihi2_insn"): Likewise.
9282         ("*zero_extendqisi2_insn"): Likewise.
9283         ("*zero_extendqidi2_insn"): Likewise.
9284         ("*zero_extendhidi2_insn"): Likewise.
9285         ("*zero_extendsidi2_insn_sp64"): Likewise.
9286         ("ldfsr"): Likewise.
9287         ("prefetch_64"): Likewise.
9288         ("prefetch_32"): Likewise.
9289         ("tie_ld32"): Likewise.
9290         ("tie_ld64"): Likewise.
9291         ("*tldo_ldub_sp32"): Likewise.
9292         ("*tldo_ldub1_sp32"): Likewise.
9293         ("*tldo_ldub2_sp32"): Likewise.
9294         ("*tldo_ldub_sp64"): Likewise.
9295         ("*tldo_ldub1_sp64"): Likewise.
9296         ("*tldo_ldub2_sp64"): Likewise.
9297         ("*tldo_ldub3_sp64"): Likewise.
9298         ("*tldo_lduh_sp32"): Likewise.
9299         ("*tldo_lduh1_sp32"): Likewise.
9300         ("*tldo_lduh_sp64"): Likewise.
9301         ("*tldo_lduh1_sp64"): Likewise.
9302         ("*tldo_lduh2_sp64"): Likewise.
9303         ("*tldo_lduw_sp32"): Likewise.
9304         ("*tldo_lduw_sp64"): Likewise.
9305         ("*tldo_lduw1_sp64"): Likewise.
9306         ("*tldo_ldx_sp64"): Likewise.
9307         ("*mov<VM32:mode>_insn"): Likewise.
9308         ("*mov<VM64:mode>_insn_sp64"): Likewise.
9309         ("*mov<VM64:mode>_insn_sp32"): Likewise.
9310
9311 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9312
9313         * config/sparc/sparc.md ("type"): New insn type viscmp.
9314         ("fcmp<gcond:code><GCM:gcm_name><P:mode>_vis"): Set insn type to
9315         viscmp.
9316         ("fpcmp<gcond:code>8<P:mode>_vis"): Likewise.
9317         ("fucmp<gcond:code>8<P:mode>_vis"): Likewise.
9318         ("fpcmpu<gcond:code><GCM:gcm_name><P:mode>_vis"): Likewise.
9319         * config/sparc/niagara7.md ("n7_vis_logical_v3pipe"): Handle
9320         viscmp.
9321         ("n7_vis_logical_11cycle"): Likewise.
9322         * config/sparc/niagara4.md ("n4_vis_logical"): Likewise.
9323         * config/sparc/niagara2.md ("niag3_vis": Likewise.
9324         * config/sparc/niagara.md ("niag_vis"): Likewise.
9325         * config/sparc/ultra3.md ("us3_fga"): Likewise.
9326         * config/sparc/ultra1_2.md ("us1_fga_double"): Likewise.
9327
9328 2017-07-07  Jose E. Marchesi  <jose.marchesi@oracle.com>
9329
9330         * config/sparc/sparc.md: New instruction type `bmask'.
9331         (bmaskdi_vis): Use the `bmask' type.
9332         (bmasksi_vis): Likewise.
9333         * config/sparc/ultra3.md (us3_array): Likewise.
9334         * config/sparc/niagara7.md (n7_array): Likewise.
9335         * config/sparc/niagara4.md (n4_array): Likewise.
9336         * config/sparc/niagara2.md (niag2_vis): Likewise.
9337         (niag3_vis): Likewise.
9338         * config/sparc/niagara.md (niag_vis): Likewise.
9339
9340 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9341
9342         * ipa-comdats.c: Remove optimize check from gate.
9343         * ipa-fnsummary.c (ipa_fn_summary_generate): do not generate summary
9344         for functions not optimized.
9345         (ipa_fn_summary_read): Skip optimize check.
9346         (ipa_fn_summary_write): Likewise.
9347         * ipa-inline-analysis.c (do_estimate_growth_1): Check that caller
9348         is optimized.
9349         * ipa-inline.c (can_inline_edge_p): Not optimized functions are
9350         uninlinable.
9351         (can_inline_edge_p): Check flag_pcc_struct_return for match.
9352         (check_callers): Give up on caller which is not optimized.
9353         (inline_small_functions): Likewise.
9354         (ipa_inline): Do not give up when not optimizing.
9355         * ipa-visbility.c (function_and_variable_visibility): Do not optimize
9356         away unoptimizes cdtors.
9357         (whole_program_function_and_variable_visibility): Do
9358         ipa_discover_readonly_nonaddressable_vars in LTO mode.
9359         * ipa.c (process_references): Do not check optimize.
9360         (symbol_table::remove_unreachable_nodes): Update optimize check.
9361         (set_writeonly_bit): Update optimize check.
9362         (pass_ipa_cdtor_merge::gate): Do not check optimize.
9363         (pass_ipa_single_use::gate): Remove.
9364
9365 2017-07-06  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
9366
9367         * config/rs6000/rs6000.c (union_defs, union_uses, insn_is_load_p,
9368         insn_is_store_p, insn_is_swap_p, const_load_sequence_p, v2df_reduction_p,
9369         rtx_is_swappable_p, insn_is_swappable_p, chain_contains_only_swaps,
9370         mark_swaps_for_removal, swap_const_vector_halves, adjust_subreg_index,
9371         permute_load, permute_store, adjust_extract, adjust_splat,
9372         adjust_xxpermdi, adjust_concat, adjust_vperm, handle_special_swappables,
9373         replace_swap_with_copy, dump_swap_insn_table,
9374         alignment_with_canonical_addr, alignment_mask, find_alignment_op,
9375         recombine_lvx_pattern, recombine_stvx_pattern,
9376         recombine_lvx_stvx_patterns, rs6000_analyze_swaps,
9377         make_pass_analyze_swaps): Move all code related to p8 swap optimizations
9378         to file rs6000-p8swap.c.
9379         * config/rs6000/rs6000-p8swap.c: New file.
9380         * config/rs6000/t-rs6000: Add rule to build rs6000-p8swap.o.
9381         * config.gcc: Add rs6000-p8swap.o to extra_objs for powerpc*-*-*
9382         and rs6000*-*-* targets.
9383
9384 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9385
9386         * Makefile.in (selftest): Remove dependency on s-selftest-c++.
9387
9388 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9389
9390         * lto-wrapper.c (merge_and_complain): Do not merge
9391         fexceptions, fnon_call_exceptions, ftrapv, ffp_contract_, fmath_errno,
9392         fsigned_zeros, ftrapping_math, fwrapv.
9393         (append_compiler_options): Do not track these options.
9394         (append_linker_options): Likewie
9395
9396 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9397
9398         * cgraphunit.c (cgraph_node::finalize_function): When
9399         !flag_toplevel_reorde set no_reorder flag.
9400         (varpool_node::finalize_decl): Likewise.
9401         (symbol_table::compile): Drop no toplevel reorder path.
9402
9403 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9404
9405         * bb-reorder.c (better_edge_p): Do not build traces across abnormal/eh
9406         edges; zero probability is not better than uninitialized.
9407
9408 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9409
9410         * asan.h (asan_sanitize_allocas_p): Declare.
9411         * asan.c (asan_sanitize_allocas_p): New function.
9412         (handle_builtin_stack_restore): Bail out if !asan_sanitize_allocas_p.
9413         (handle_builtin_alloca): Likewise.
9414         * cfgexpand.c (expand_used_vars): Do not add allocas unpoisoning stuff
9415         if !asan_sanitize_allocas_p.
9416         * params.def (asan-instrument-allocas): Add new option.
9417         * params.h (ASAN_PROTECT_ALLOCAS): Define.
9418         * opts.c (common_handle_option): Disable allocas sanitization for
9419         KASan by default.
9420
9421 2017-07-06  Maxim Ostapenko  <m.ostapenko@samsung.com>
9422
9423         * asan.c: Include gimple-fold.h.
9424         (get_last_alloca_addr): New function.
9425         (handle_builtin_stackrestore): Likewise.
9426         (handle_builtin_alloca): Likewise.
9427         (asan_emit_allocas_unpoison): Likewise.
9428         (get_mem_refs_of_builtin_call): Add new parameter, remove const
9429         quallifier from first paramerer. Handle BUILT_IN_ALLOCA,
9430         BUILT_IN_ALLOCA_WITH_ALIGN and BUILT_IN_STACK_RESTORE builtins.
9431         (instrument_builtin_call): Pass gimple iterator to
9432         get_mem_refs_of_builtin_call.
9433         (last_alloca_addr): New global.
9434         * asan.h (asan_emit_allocas_unpoison): Declare.
9435         * builtins.c (expand_asan_emit_allocas_unpoison): New function.
9436         (expand_builtin): Handle BUILT_IN_ASAN_ALLOCAS_UNPOISON.
9437         * cfgexpand.c (expand_used_vars): Call asan_emit_allocas_unpoison
9438         if function calls alloca.
9439         * gimple-fold.c (replace_call_with_value): Remove static keyword.
9440         * gimple-fold.h (replace_call_with_value): Declare.
9441         * internal-fn.c: Include asan.h.
9442         * sanitizer.def (BUILT_IN_ASAN_ALLOCA_POISON,
9443         BUILT_IN_ASAN_ALLOCAS_UNPOISON): New builtins.
9444
9445 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9446
9447         * Makefile.in (SELFTEST_FLAGS): Drop "-x c", moving it to...
9448         (C_SELFTEST_FLAGS): New.
9449         (CPP_SELFTEST_FLAGS): New.
9450         (SELFTEST_DEPS): New, from deps of s-selftest.
9451         (C_SELFTEST_DEPS): New, from deps of s-selftest.
9452         (CPP_SELFTEST_DEPS): New.
9453         (selftest): Add dependency on s-selftest-c++.
9454         (s-selftest): Rename to...
9455         (s-selftest-c): ...this, moving deps to SELFTEST_DEPS
9456         and C_SELFTEST_DEPS, and using C_SELFTEST_FLAGS rather
9457         than SELFTEST_FLAGS.
9458         (selftest-gdb): Rename to...
9459         (selftest-c-gdb): ...this, using C_SELFTEST_DEPS and
9460         C_SELFTEST_FLAGS.
9461         (selftest-gdb): Reintroduce as an alias for selftest-c-gdb.
9462         (selftest-valgrind): Rename to...
9463         (selftest-c-valgrind): ...this, using C_SELFTEST_DEPS and
9464         C_SELFTEST_FLAGS.
9465         (selftest-valgrind): Reintroduce as an alias for
9466         selftest-c-valgrind.
9467         (s-selftest-c++): New.
9468         (selftest-c++-gdb): New.
9469         (selftest-c++-valgrind): New.
9470
9471 2017-07-06  Olivier Hainque  <hainque@adacore.com>
9472
9473         * gcc.c (process_command): When deciding if undefined variables
9474         should be ignored when processing specs, accept "gcc -v" as well.
9475
9476 2017-07-06  Jan Hubicka  <hubicka@ucw.cz>
9477
9478         * auto-profile.c (afdo_set_bb_count, afdo_propagate_edge,
9479         afdo_annotate_cfg): Set counts/probabilities as determined by afdo.
9480
9481 2017-07-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
9482
9483         * config/arm/arm-cpus.in (armv8-r): Add new entry.
9484         * config/arm/arm-isa.h (ISA_ARMv8r): Define macro.
9485         * config/arm/arm-tables.opt: Regenerate.
9486         * config/arm/arm.h (enum base_architecture): Add BASE_ARCH_8R
9487         enumerator.
9488         * doc/invoke.texi: Mention -march=armv8-r and its extensions.
9489
9490 2017-07-06  Carl Love  <cel@us.ibm.com>
9491
9492         * ChangeLog: Clean up from mid air collision
9493
9494 2017-07-06  Carl Love  <cel@us.ibm.com>
9495
9496         * config/rs6000/rs6000-c.c: Add support for built-in functions
9497         vector signed int vec_subc (vector signed int, vector signed int);
9498         vector signed __int128 vec_subc (vector signed __int128,
9499                                          vector signed __int128);
9500         vector unsigned __int128 vec_subc (vector unsigned __int128,
9501                                            vector unsigned __int128);
9502         vector signed int vec_sube (vector signed int, vector signed int,
9503                                     vector signed int);
9504         vector unsigned int vec_sube (vector unsigned int,
9505                                       vector unsigned int,
9506                                       vector unsigned int);
9507         vector signed __int128 vec_sube (vector signed __int128,
9508                                          vector signed __int128,
9509                                          vector signed__int128);
9510         vector unsigned __int128 vec_sube (vector unsigned __int128,
9511                                            vector unsigned __int128,
9512                                            vector unsigned __int128);
9513         vector signed int vec_subec (vector signed int, vector signed int,
9514                                      vector signed int);
9515         vector unsigned int vec_subec (vector unsigned int,
9516                                        vector unsigned int,
9517                                        vector unsigned int);
9518         vector signed __int128 vec_subec (vector signed __int128,
9519                                           vector signed __int128,
9520                                           vector signed__int128);
9521         vector unsigned __int128 vec_subec (vector unsigned __int128,
9522                                             vector unsigned __int128,
9523                                             vector unsigned __int128);
9524         * config/rs6000/rs6000.c (ALTIVEC_BUILTIN_VEC_SUBE,
9525         ALTIVEC_BUILTIN_VEC_SUBEC): Add ef_builtins.
9526         * config/rs6000/rs6000-builtin.def (SUBE, SUBEC): Add
9527         BU_ALTIVEC_OVERLOAD_X definitions.
9528         * config/rs6000/altivec.h (vec_sube, vec_subec): Add builtin defines.
9529         * doc/extend.texi: Update the built-in documentation file for the new
9530         built-in functions.
9531
9532 2017-07-06  David Malcolm  <dmalcolm@redhat.com>
9533
9534         PR c++/79300
9535         * diagnostic-show-locus.c (layout::layout): Use start and finish
9536         spelling location for the start and finish of each range.
9537         * genmatch.c (linemap_client_expand_location_to_spelling_point):
9538         Add unused aspect param.
9539         * input.c (expand_location_1): Add "aspect" param, and use it
9540         to access the correct part of the location.
9541         (expand_location): Pass LOCATION_ASPECT_CARET to new param of
9542         expand_location_1.
9543         (expand_location_to_spelling_point): Likewise.
9544         (linemap_client_expand_location_to_spelling_point): Add "aspect"
9545         param, and pass it to expand_location_1.
9546
9547 2017-07-06  Sebastian Peryt  <sebastian.peryt@intel.com>
9548
9549         * config/i386/avx512fintrin.h (_mm_mask_getexp_round_ss,
9550         _mm_maskz_getexp_round_ss, _mm_mask_getexp_round_sd,
9551         _mm_maskz_getexp_round_sd, _mm_mask_getmant_round_sd,
9552         _mm_maskz_getmant_round_sd, _mm_mask_getmant_round_ss,
9553         _mm_maskz_getmant_round_ss, _mm_mask_getexp_ss, _mm_maskz_getexp_ss,
9554         _mm_mask_getexp_sd, _mm_maskz_getexp_sd, _mm_mask_getmant_sd,
9555         _mm_maskz_getmant_sd, _mm_mask_getmant_ss,
9556         _mm_maskz_getmant_ss): New intrinsics.
9557         (__builtin_ia32_getexpss128_mask): Changed to ...
9558         __builtin_ia32_getexpss128_round ... this.
9559         (__builtin_ia32_getexpsd128_mask): Changed to ...
9560         __builtin_ia32_getexpsd128_round ... this.
9561         * config/i386/i386-builtin-types.def
9562         ((V2DF, V2DF, V2DF, INT, V2DF, UQI, INT),
9563         (V4SF, V4SF, V4SF, INT, V4SF, UQI, INT)): New function type aliases.
9564         * config/i386/i386-builtin.def (__builtin_ia32_getexpsd_mask_round,
9565         __builtin_ia32_getexpss_mask_round,     __builtin_ia32_getmantsd_mask_round,
9566         __builtin_ia32_getmantss_mask_round): New builtins.
9567         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_INT_V2DF_UQI_INT,
9568         V4SF_FTYPE_V4SF_V4SF_INT_V4SF_UQI_INT): Handle new types.
9569         (CODE_FOR_avx512f_vgetmantv2df_mask_round,
9570         CODE_FOR_avx512f_vgetmantv4sf_mask_round): New cases.
9571         * config/i386/sse.md
9572         (avx512f_sgetexp<mode><round_saeonly_name>): Changed to ...
9573         avx512f_sgetexp<mode><mask_scalar_name>
9574         <round_saeonly_scalar_name> ... this.
9575         (vgetexp<ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|
9576         %0, %1, %2<round_saeonly_op3>}): Changed to ...
9577         vgetexp<ssescalarmodesuffix>
9578         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9579         %0<mask_scalar_operand3>, %1, %2<round_saeonly_scalar_mask_op3>} ... this.
9580         (avx512f_vgetmant<mode><round_saeonly_name>): Changed to ...
9581         avx512f_vgetmant<mode><mask_scalar_name>
9582         <round_saeonly_scalar_name> ... this.
9583         (vgetmant<ssescalarmodesuffix>\t{%3, <round_saeonly_op4>%2, %1, %0|
9584         %0, %1, %2<round_saeonly_op4>, %3}): Changed to ...
9585         vgetmant<ssescalarmodesuffix>
9586         \t{%3, <round_saeonly_scalar_mask_op4>%2, %1, %0<mask_scalar_operand4>|
9587         %0<mask_scalar_operand4>, %1, %2
9588         <round_saeonly_scalar_mask_op4>, %3} ... this.
9589         * config/i386/subst.md (mask_scalar_operand4,
9590         round_saeonly_scalar_mask_operand4,     round_saeonly_scalar_mask_op4,
9591         round_saeonly_scalar_nimm_predicate): New subst attributes.
9592
9593 2017-07-06  Julia Koval  <julia.koval@intel.com>
9594
9595         * config/i386/i386.c (ix86_erase_embedded_rounding):
9596         Remove code for old rounding pattern.
9597
9598 2017-07-06  Richard Earnshaw  <rearnsha@arm.com>
9599
9600         * config/arm/t-arm (GTM_H): Add arm-cpu.h.
9601
9602 2017-07-06  Christophe Lyon  <christophe.lyon@linaro.org>
9603
9604         * doc/sourcebuild.texi (Test Directives, Variants of
9605         dg-require-support): Add documentation for dg-require-stack-check.
9606
9607 2017-07-05  Sebastian Peryt  <sebastian.peryt@intel.com>
9608
9609         * config/i386/subst.md (mask_scalar, round_scalar,
9610         round_saeonly_scalar): New meta-templates.
9611         (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
9612         round_scalar_mask_operand3, round_scalar_mask_op3,
9613         round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
9614         round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
9615         round_saeonly_scalar_constraint,
9616         round_saeonly_scalar_prefix): New subst attribute.
9617         * config/i386/sse.md
9618         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
9619         <sse>_vm<plusminus_insn><mode>3<mask_scalar_name>
9620         <round_scalar_name> ... this.
9621         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to ...
9622         <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name>
9623         <round_scalar_name> ... this.
9624         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
9625         <sse>_vm<code><mode>3<mask_scalar_name>
9626         <round_saeonly_scalar_name> ... this.
9627         (v<plusminus_mnemonic><ssescalarmodesuffix>
9628         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9629         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9630         v<plusminus_mnemonic><ssescalarmodesuffix>
9631         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9632         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9633         (v<multdiv_mnemonic><ssescalarmodesuffix>
9634         \t{<round_mask_op3>%2, %1, %0<mask_operand3>|
9635         %0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to ...
9636         v<multdiv_mnemonic><ssescalarmodesuffix>
9637         \t{<round_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9638         %0<mask_scalar_operand3>, %1, %<iptr>2<round_scalar_mask_op3>} ... this.
9639         (v<maxmin_float><ssescalarmodesuffix>
9640         \t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|
9641         %0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): Changed to ...
9642         v<maxmin_float><ssescalarmodesuffix>
9643         \t{<round_saeonly_scalar_mask_op3>%2, %1, %0<mask_scalar_operand3>|
9644         %0<mask_scalar_operand3>, %1, %<iptr>2
9645         <round_saeonly_scalar_mask_op3>} ... this.
9646
9647 2017-07-05  Richard Earnshaw  <rearnsha@arm.com>
9648
9649         * config/arm/arm.c (arm_fixed_condition_code_regs): New function.
9650         (TARGET_FIXED_CONDITION_CODE_REGS): Redefine.
9651
9652 2017-07-05  Richard Sandiford  <richard.sandiford@linaro.org>
9653             Alan Hayward  <alan.hayward@arm.com>
9654             David Sherwood  <david.sherwood@arm.com>
9655
9656         * combine.c (simplify_if_then_else): Remove "enum" before
9657         "machine_mode".
9658         * compare-elim.c (can_eliminate_compare): Likewise.
9659         * config/aarch64/aarch64-builtins.c (aarch64_simd_builtin_std_type):
9660         Likewise.
9661         (aarch64_lookup_simd_builtin_type): Likewise.
9662         (aarch64_simd_builtin_type): Likewise.
9663         (aarch64_init_simd_builtin_types): Likewise.
9664         (aarch64_simd_expand_args): Likewise.
9665         * config/aarch64/aarch64-protos.h (aarch64_simd_attr_length_rglist):
9666         Likewise.
9667         (aarch64_reverse_mask): Likewise.
9668         (aarch64_simd_emit_reg_reg_move): Likewise.
9669         (aarch64_gen_adjusted_ldpstp): Likewise.
9670         (aarch64_ccmp_mode_to_code): Likewise.
9671         (aarch64_operands_ok_for_ldpstp): Likewise.
9672         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9673         * config/aarch64/aarch64.c (aarch64_ira_change_pseudo_allocno_class):
9674         Likewise.
9675         (aarch64_min_divisions_for_recip_mul): Likewise.
9676         (aarch64_reassociation_width): Likewise.
9677         (aarch64_get_condition_code_1): Likewise.
9678         (aarch64_simd_emit_reg_reg_move): Likewise.
9679         (aarch64_simd_attr_length_rglist): Likewise.
9680         (aarch64_reverse_mask): Likewise.
9681         (aarch64_operands_ok_for_ldpstp): Likewise.
9682         (aarch64_operands_adjust_ok_for_ldpstp): Likewise.
9683         (aarch64_gen_adjusted_ldpstp): Likewise.
9684         * config/aarch64/cortex-a57-fma-steering.c (fma_node::rename):
9685         Likewise.
9686         * config/arc/arc.c (legitimate_offset_address_p): Likewise.
9687         * config/arm/arm-builtins.c (arm_simd_builtin_std_type): Likewise.
9688         (arm_lookup_simd_builtin_type): Likewise.
9689         (arm_simd_builtin_type): Likewise.
9690         (arm_init_simd_builtin_types): Likewise.
9691         (arm_expand_builtin_args): Likewise.
9692         * config/arm/arm-protos.h (arm_expand_builtin): Likewise.
9693         * config/ft32/ft32.c (ft32_libcall_value): Likewise.
9694         (ft32_setup_incoming_varargs): Likewise.
9695         (ft32_function_arg): Likewise.
9696         (ft32_function_arg_advance): Likewise.
9697         (ft32_pass_by_reference): Likewise.
9698         (ft32_arg_partial_bytes): Likewise.
9699         (ft32_valid_pointer_mode): Likewise.
9700         (ft32_addr_space_pointer_mode): Likewise.
9701         (ft32_addr_space_legitimate_address_p): Likewise.
9702         * config/i386/i386-protos.h (ix86_operands_ok_for_move_multiple):
9703         Likewise.
9704         * config/i386/i386.c (ix86_setup_incoming_vararg_bounds): Likewise.
9705         (ix86_emit_outlined_ms2sysv_restore): Likewise.
9706         (iamcu_alignment): Likewise.
9707         (canonicalize_vector_int_perm): Likewise.
9708         (ix86_noce_conversion_profitable_p): Likewise.
9709         (ix86_mpx_bound_mode): Likewise.
9710         (ix86_operands_ok_for_move_multiple): Likewise.
9711         * config/microblaze/microblaze-protos.h
9712         (microblaze_expand_conditional_branch_reg): Likewise.
9713         * config/microblaze/microblaze.c
9714         (microblaze_expand_conditional_branch_reg): Likewise.
9715         * config/powerpcspe/powerpcspe.c (rs6000_init_hard_regno_mode_ok):
9716         Likewise.
9717         (rs6000_reassociation_width): Likewise.
9718         (rs6000_invalid_binary_op): Likewise.
9719         (fusion_p9_p): Likewise.
9720         (emit_fusion_p9_load): Likewise.
9721         (emit_fusion_p9_store): Likewise.
9722         * config/riscv/riscv-protos.h (riscv_regno_mode_ok_for_base_p):
9723         Likewise.
9724         (riscv_hard_regno_mode_ok_p): Likewise.
9725         (riscv_address_insns): Likewise.
9726         (riscv_split_symbol): Likewise.
9727         (riscv_legitimize_move): Likewise.
9728         (riscv_function_value): Likewise.
9729         (riscv_hard_regno_nregs): Likewise.
9730         (riscv_expand_builtin): Likewise.
9731         * config/riscv/riscv.c (riscv_build_integer_1): Likewise.
9732         (riscv_build_integer): Likewise.
9733         (riscv_split_integer): Likewise.
9734         (riscv_legitimate_constant_p): Likewise.
9735         (riscv_cannot_force_const_mem): Likewise.
9736         (riscv_regno_mode_ok_for_base_p): Likewise.
9737         (riscv_valid_base_register_p): Likewise.
9738         (riscv_valid_offset_p): Likewise.
9739         (riscv_valid_lo_sum_p): Likewise.
9740         (riscv_classify_address): Likewise.
9741         (riscv_legitimate_address_p): Likewise.
9742         (riscv_address_insns): Likewise.
9743         (riscv_load_store_insns): Likewise.
9744         (riscv_force_binary): Likewise.
9745         (riscv_split_symbol): Likewise.
9746         (riscv_force_address): Likewise.
9747         (riscv_legitimize_address): Likewise.
9748         (riscv_move_integer): Likewise.
9749         (riscv_legitimize_const_move): Likewise.
9750         (riscv_legitimize_move): Likewise.
9751         (riscv_address_cost): Likewise.
9752         (riscv_subword): Likewise.
9753         (riscv_output_move): Likewise.
9754         (riscv_canonicalize_int_order_test): Likewise.
9755         (riscv_emit_int_order_test): Likewise.
9756         (riscv_function_arg_boundary): Likewise.
9757         (riscv_pass_mode_in_fpr_p): Likewise.
9758         (riscv_pass_fpr_single): Likewise.
9759         (riscv_pass_fpr_pair): Likewise.
9760         (riscv_get_arg_info): Likewise.
9761         (riscv_function_arg): Likewise.
9762         (riscv_function_arg_advance): Likewise.
9763         (riscv_arg_partial_bytes): Likewise.
9764         (riscv_function_value): Likewise.
9765         (riscv_pass_by_reference): Likewise.
9766         (riscv_setup_incoming_varargs): Likewise.
9767         (riscv_print_operand): Likewise.
9768         (riscv_elf_select_rtx_section): Likewise.
9769         (riscv_save_restore_reg): Likewise.
9770         (riscv_for_each_saved_reg): Likewise.
9771         (riscv_register_move_cost): Likewise.
9772         (riscv_hard_regno_mode_ok_p): Likewise.
9773         (riscv_hard_regno_nregs): Likewise.
9774         (riscv_class_max_nregs): Likewise.
9775         (riscv_memory_move_cost): Likewise.
9776         * config/rl78/rl78-protos.h (rl78_split_movsi): Likewise.
9777         * config/rl78/rl78.c (rl78_split_movsi): Likewise.
9778         (rl78_addr_space_address_mode): Likewise.
9779         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
9780         Likewise.
9781         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Likewise.
9782         (rs6000_reassociation_width): Likewise.
9783         (rs6000_invalid_binary_op): Likewise.
9784         (fusion_p9_p): Likewise.
9785         (emit_fusion_p9_load): Likewise.
9786         (emit_fusion_p9_store): Likewise.
9787         * config/visium/visium-protos.h (prepare_move_operands): Likewise.
9788         (ok_for_simple_move_operands): Likewise.
9789         (ok_for_simple_move_strict_operands): Likewise.
9790         (ok_for_simple_arith_logic_operands): Likewise.
9791         (visium_legitimize_reload_address): Likewise.
9792         (visium_select_cc_mode): Likewise.
9793         (output_cbranch): Likewise.
9794         (visium_split_double_move): Likewise.
9795         (visium_expand_copysign): Likewise.
9796         (visium_expand_int_cstore): Likewise.
9797         (visium_expand_fp_cstore): Likewise.
9798         * config/visium/visium.c (visium_pass_by_reference): Likewise.
9799         (visium_function_arg): Likewise.
9800         (visium_function_arg_advance): Likewise.
9801         (visium_libcall_value): Likewise.
9802         (visium_setup_incoming_varargs): Likewise.
9803         (visium_legitimate_constant_p): Likewise.
9804         (visium_legitimate_address_p): Likewise.
9805         (visium_legitimize_address): Likewise.
9806         (visium_secondary_reload): Likewise.
9807         (visium_register_move_cost): Likewise.
9808         (visium_memory_move_cost): Likewise.
9809         (prepare_move_operands): Likewise.
9810         (ok_for_simple_move_operands): Likewise.
9811         (ok_for_simple_move_strict_operands): Likewise.
9812         (ok_for_simple_arith_logic_operands): Likewise.
9813         (visium_function_value_1): Likewise.
9814         (rtx_ok_for_offset_p): Likewise.
9815         (visium_legitimize_reload_address): Likewise.
9816         (visium_split_double_move): Likewise.
9817         (visium_expand_copysign): Likewise.
9818         (visium_expand_int_cstore): Likewise.
9819         (visium_expand_fp_cstore): Likewise.
9820         (visium_split_cstore): Likewise.
9821         (visium_select_cc_mode): Likewise.
9822         (visium_split_cbranch): Likewise.
9823         (output_cbranch): Likewise.
9824         (visium_print_operand_address): Likewise.
9825         * expmed.c (flip_storage_order): Likewise.
9826         * expmed.h (emit_cstore): Likewise.
9827         (flip_storage_order): Likewise.
9828         * genrecog.c (validate_pattern): Likewise.
9829         * hsa-gen.c (gen_hsa_addr): Likewise.
9830         * internal-fn.c (expand_arith_overflow): Likewise.
9831         * ira-color.c (allocno_copy_cost_saving): Likewise.
9832         * lra-assigns.c (find_hard_regno_for_1): Likewise.
9833         * lra-constraints.c (prohibited_class_reg_set_mode_p): Likewise.
9834         (process_invariant_for_inheritance): Likewise.
9835         * lra-eliminations.c (move_plus_up): Likewise.
9836         * omp-low.c (lower_oacc_reductions): Likewise.
9837         * simplify-rtx.c (simplify_subreg): Likewise.
9838         * target.def (TARGET_SETUP_INCOMING_VARARG_BOUNDS): Likewise.
9839         (TARGET_CHKP_BOUND_MODE): Likewise..
9840         * targhooks.c (default_chkp_bound_mode): Likewise.
9841         (default_setup_incoming_vararg_bounds): Likewise.
9842         * targhooks.h (default_chkp_bound_mode): Likewise.
9843         (default_setup_incoming_vararg_bounds): Likewise.
9844         * tree-ssa-math-opts.c (divmod_candidate_p): Likewise.
9845         * tree-vect-loop.c (calc_vec_perm_mask_for_shift): Likewise.
9846         (have_whole_vector_shift): Likewise.
9847         * tree-vect-stmts.c (vectorizable_load): Likewise.
9848         * doc/tm.texi: Regenerate.
9849
9850 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9851
9852         Graceful degrade if Binutils PR21472 is not available.
9853
9854         PR target/81072
9855         * configure.ac [target=avr]: WARN instead of ERROR if avrxmega3
9856         .rodata in flash test fails.
9857         (HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH): Define it if test passes.
9858         * confgure: Regenerate.
9859         * config.in: Regenerate.
9860         * config/avr/avr.c (avr_asm_named_section)
9861         [HAVE_LD_AVR_AVRXMEGA3_RODATA_IN_FLASH]: Only trigger
9862         __do_copy_data for stuff in .rodata if flash_pm_offset = 0.
9863         (avr_asm_init_sections): Same.
9864
9865 2017-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9866
9867         * config/arm/neon.md (fma<VCVTF:mode>4): Remove %?.
9868         (fma<VH:mode>4_intrinsic): Likewise.
9869         (*fmsub<VCVTF:mode>4): Likewise.
9870         (*fmsub<VH:mode>4_intrinsic): Likewise.
9871
9872 2017-07-05  Georg-Johann Lay  <avr@gjlay.de>
9873
9874         PR target/81305
9875         * config/avr/avr.c (avr_out_movhi_mr_r_xmega) [CONSTANT_ADDRESS_P]:
9876         Don't depend on "optimize > 0".
9877         (out_movhi_r_mr, out_movqi_mr_r): Same.
9878         (out_movhi_mr_r, out_movqi_r_mr): Same.
9879         (avr_address_cost) [CONSTANT_ADDRESS_P]: Don't depend cost for
9880         io_address_operand on "optimize > 0".
9881
9882 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9883
9884         * tree-loop-distribution.c: Add general explanantion on the pass.
9885         (generate_loops_for_partition): Mark distributed loop.
9886         (pg_add_dependence_edges): New parameter.  Handle alias data
9887         dependence specially and record it in the parameter if asked.
9888         (struct pg_vdata, pg_edata, pg_edge_callback_data): New structs.
9889         (init_partition_graph_vertices, add_partition_graph_edge): New.
9890         (pg_skip_alias_edge, free_partition_graph_edata_cb): New.
9891         (free_partition_graph_vdata, build_partition_graph): New.
9892         (sort_partitions_by_post_order, merge_dep_scc_partitions): New.
9893         (pg_collect_alias_ddrs, break_alias_scc_partitions): New.
9894         (data_ref_segment_size, latch_dominated_by_data_ref): New.
9895         (compute_alias_check_pairs, version_loop_by_alias_check): New.
9896         (version_for_distribution_p, finalize_partitions): New.
9897         (distribute_loop): Handle alias data dependence specially.  Factor
9898         out loop fusion code as functions and call these functions.
9899
9900 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9901
9902         * tree-loop-distribution.c (classify_partition): New parameter and
9903         better handle reduction statement.
9904         (rdg_build_partitions): Revise comment.
9905         (distribute_loop): Compute statements in all partitions and pass it
9906         to classify_partition.
9907
9908 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9909
9910         * tree-loop-distribution.c (enum partition_type): New.
9911         (struct partition): New field type.
9912         (partition_merge_into): Add parameter.  Update partition type.
9913         (data_dep_in_cycle_p, update_type_for_merge): New functions.
9914         (build_rdg_partition_for_vertex): Compute partition type.
9915         (rdg_build_partitions): Dump partition type.
9916         (distribute_loop): Update calls to partition_merge_into.
9917
9918 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9919
9920         * tree-loop-distribution.c (struct ddr_hasher): New.
9921         (ddr_hasher::hash, ::equal, get_data_dependence): New function.
9922         (ddrs_table): New.
9923         (classify_partition): Call get_data_dependence.
9924         (pg_add_dependence_edges): Ditto.
9925         (distribute_loop): Release data dependence hash table.
9926
9927 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9928
9929         * tree-loop-distribution.c (ref_base_address): Delete.
9930         (similar_memory_accesses): Rename ...
9931         (share_memory_accesses): ... to this.  Check if partitions access
9932         the same memory reference.
9933         (distribute_loop): Call share_memory_accesses.
9934
9935 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9936
9937         * tree-loop-distribution.c (struct partition): New field recording
9938         its data reference.
9939         (partition_alloc, partition_free): Init and release data refs.
9940         (partition_merge_into): Merge data refs.
9941         (build_rdg_partition_for_vertex): Collect data refs for partition.
9942         (pg_add_dependence_edges): Change parameters from vector to bitmap.
9943         Update uses.
9944         (distribute_loop): Remve data refs from vertice data of partition
9945         graph.
9946
9947 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9948
9949         * tree-loop-distribution.c (params.h): Include header file.
9950         (MAX_DATAREFS_NUM, DR_INDEX): New macro.
9951         (datarefs_vec): New global var.
9952         (create_rdg_vertices): Use datarefs_vec directly.
9953         (free_rdg): Don't free data references.
9954         (build_rdg): Update use.  Don't free data references.
9955         (distribute_loop): Compute global variable for data references.
9956         Bail out if there are too many data references.
9957
9958 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9959
9960         * tree-loop-distribution.c (loop_nest): New global var.
9961         (build_rdg): Use loop directly, rather than loop nest.
9962         (pg_add_dependence_edges): Remove loop nest parameter.  Use global
9963         variable directly.
9964         (distribute_loop): Compute global variable loop nest.  Update use.
9965
9966 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9967
9968         * tree-loop-distribution.c (enum fuse_type, fuse_message): New.
9969         (partition_merge_into): New parameter.  Dump reason for fusion.
9970         (distribute_loop): Update use of partition_merge_into.
9971
9972 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9973
9974         * tree-loop-distribution.c (bb_top_order_index): New.
9975         (bb_top_order_index_size, bb_top_order_cmp): New.
9976         (stmts_from_loop): Use topological order.
9977         (pass_loop_distribution::execute): Compute and release topological
9978         order for basic blocks.
9979
9980 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9981
9982         * tree-loop-distribution.c (pass_loop_distribution::execute): Skip
9983         if no loops.
9984
9985 2017-07-05  Bin Cheng  <bin.cheng@arm.com>
9986
9987         * cfgloop.h (struct loop): Add comment.  New field orig_loop_num.
9988         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Comment change.
9989         * internal-fn.c (expand_LOOP_DIST_ALIAS): New function.
9990         * internal-fn.def (LOOP_DIST_ALIAS): New.
9991         * tree-vectorizer.c (fold_loop_vectorized_call): Rename to ...
9992         (fold_loop_internal_call): ... this.
9993         (vect_loop_dist_alias_call): New function.
9994         (set_uid_loop_bbs): Call fold_loop_internal_call.
9995         (vectorize_loops): Fold IFN_LOOP_VECTORIZED and IFN_LOOP_DIST_ALIAS
9996         internal calls.
9997
9998 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
9999
10000         PR target/81300
10001         * config/i386/i386.md (setcc + movzbl/and to xor + setcc peepholes):
10002         Require dead FLAGS_REG at the beginning of a peephole.
10003
10004 2017-07-04  Uros Bizjak  <ubizjak@gmail.com>
10005
10006         PR target/81294
10007         * config/i386/adxintrin.h (_subborrow_u32): Swap _X and _Y
10008         arguments in the call to __builtin_ia32_sbb_u32.
10009         (_subborrow_u64): Swap _X and _Y arguments in the call to
10010         __builtin_ia32_sbb_u64.
10011
10012 2017-07-04  Jakub Jelinek  <jakub@redhat.com>
10013
10014         PR debug/81278
10015         * tree-vrp.c (compare_assert_loc): Turn into a function template
10016         with stable template parameter.  Only test if a->e is NULL,
10017         !a->e == !b->e has been verified already.  Use e == NULL or
10018         e != NULL instead of e or ! e tests.  If stable is true, don't use
10019         iterative_hash_expr, on the other side allow a or b or both NULL
10020         and sort the NULLs last.
10021         (process_assert_insertions): Sort using compare_assert_loc<false>
10022         instead of compare_assert_loc, later sort using
10023         compare_assert_loc<true> before calling process_assert_insertions_for
10024         in a loop.  Use break instead of continue once seen NULL pointer.
10025
10026 2017-07-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
10027
10028         * config/arm/driver-arm.c (arm_cpu_table): Add entry for ARM
10029         Cortex-R7 and Cortex-R8 processors.
10030
10031 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10032
10033         * ipa-utils.c (ipa_merge_profiles): Fix merging when dst is
10034         uninitialized while src is not.
10035
10036 2017-07-04  Richard Earnshaw  <rearnsha@arm.com>
10037
10038         * common/config/arm/arm-common.c: Adjust include path for
10039         arm-cpu-cdata.h
10040         * config/arm/t-arm (TM_H): Adjust path for arm-cpu.h.
10041         (arm-cpu.h): Create in build directory.  Adjust dependency rules.
10042         (arm-cpu-data.h): Likewise.
10043         (arm-cpu-cdata.h): Likewise.
10044         * config/arm/arm-cpu.h: Delete.
10045         * config/arm/arm-cpu-cdata.h: Delete.
10046         * config/arm/arm-cpu-data.h: Delete.
10047
10048 2017-07-04  James Greenhalgh  <james.greenhalgh@arm.com>
10049
10050         * config/arm/arm-cpus.in (cortex-a55): New.
10051         (cortex-a75): Likewise.
10052         (cortex-a75.cortex-a55): Likewise.
10053         * config/arm/driver-arm.c (arm_cpu_table): Add cortex-a55 and
10054         cortex-a75.
10055         * doc/invoke.texi (-mcpu): Document cortex-a55 and cortex-a75.
10056         * config/arm/arm-cpu-cdata.h: Regenerate.
10057         * config/arm/arm-cpu-data.h: Regenerate.
10058         * config/arm/arm-cpu.h: Regenerate.
10059         * config/arm/arm-tables.opt: Regenerate.
10060         * config/arm/arm-tune.md: Regenerate.
10061
10062 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10063
10064         * haifa-sched.c (sched_create_recovery_edges): Update profile.
10065
10066 2017-07-04  Jan Hubicka  <hubicka@ucw.cz>
10067
10068         * bb-reorder.c (better_edge_p): Fix handling of uninitialized
10069         probability.
10070
10071 2017-07-04  Richard Sandiford  <richard.sandiford@linaro.org>
10072
10073         PR tree-optimization/81292
10074         * tree-ssa-strlen.c (handle_builtin_strlen): When setting
10075         full_string_p, also call adjust_related_strinfos if the adjustment
10076         is simple, otherwise invalidate related strinfos.
10077
10078 2017-07-04  Martin Liska  <mliska@suse.cz>
10079
10080         PR sanitizer/81040
10081         * sanopt.c (sanitize_rewrite_addressable_params): Mark the
10082         newly created variable as DECL_IGNORED_P.
10083
10084 2017-07-04  Martin Liska  <mliska@suse.cz>
10085
10086         PR ipa/81293
10087         * ipa-inline.c (inline_small_functions):
10088         Use xstrdup_for_dump.
10089
10090 2017-07-04  Tom de Vries  <tom@codesourcery.com>
10091
10092         * graph.c (draw_cfg_edges): Save and restore EDGE_DFS_BACK.
10093
10094 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10095
10096         PR target/81033
10097         * config/darwin.c (darwin_function_switched_text_sections):
10098         Fix spaces.
10099
10100 2017-07-03  Jan Hubicka  <hubicka@ucw.cz>
10101
10102         * tree-vect-loop-manip.c (vect_do_peeling): Fix scaling up.
10103
10104 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10105
10106         * doc/invoke.texi (ARM Options): Add -mbe8 and -mbe32 to option summary.
10107
10108 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10109
10110         * tree-vect-loop.c (vect_analyze_loop_2): Treat min_scalar_loop_bound,
10111         min_profitable_iters, and th as inclusive lower bounds.
10112         Fix LOOP_VINFO_PEELING_FOR_GAPS condition.
10113         (vect_estimate_min_profitable_iters): Return inclusive lower bounds
10114         for min_profitable_iters and min_profitable_estimate.
10115         (vect_transform_loop): Treat th as an inclusive lower bound.
10116         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
10117
10118 2017-07-03  Dominique d'Humieres  <dominiq@lps.ens.fr>
10119
10120         PR target/81033
10121         * config/darwin.c (darwin_function_switched_text_sections):
10122         Replace DECL_NAME with DECL_ASSEMBLER_NAME, split assemble_name_raw
10123         in two pieces, and suppress the use of buf.
10124
10125 2017-07-03  Nathan Sidwell  <nathan@acm.org>
10126
10127         * hash-table.h (hash_table_mod1): Fix indentation.
10128
10129 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10130
10131         PR middle-end/81290
10132         * predict.c (force_edge_cold): Be more careful about propagation
10133         backward.
10134         * profile-count.h (profile_probability::guessed,
10135         profile_probability::fdo, profile_count::guessed, profile_count::fdo):
10136         New.
10137         * tree-ssa-threadupdate.c (recompute_probabilities): Result is guessed.
10138
10139 2017-07-03  James Greenhalgh  <james.greenhalgh@arm.com>
10140
10141         * doc/invoke.texi (rcpc architecture extension): Document it.
10142
10143 2017-07-03  Richard Biener  <rguenther@suse.de>
10144
10145         PR tree-optimization/60510
10146         * tree-vect-loop.c (vect_create_epilog_for_reduction): Pass in
10147         the scalar reduction PHI and use it.
10148         (vectorizable_reduction): Properly guard the single_defuse_cycle
10149         path for non-SLP reduction chains where we cannot use it.
10150         Rework reduc_def/index and vector type deduction.  Rework
10151         vector operand gathering during reduction op code-gen.
10152         * tree-vect-slp.c (vect_analyze_slp): For failed SLP reduction
10153         chains dissolve the chain and leave it to non-SLP reduction
10154         handling.
10155
10156 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10157
10158         * tree-data-ref.h (dr_alignment): Declare.
10159         * tree-data-ref.c (dr_alignment): New function.
10160         * tree-vectorizer.h (dataref_aux): Remove base_element_aligned.
10161         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Don't
10162         set it.
10163         * tree-vect-stmts.c (vectorizable_store): Use dr_alignment.
10164
10165 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10166
10167         * tree-data-ref.h (innermost_loop_behavior): Add base_alignment
10168         and base_misalignment fields.
10169         (DR_BASE_ALIGNMENT, DR_BASE_MISALIGNMENT): New macros.
10170         * tree-data-ref.c: Include builtins.h.
10171         (dr_analyze_innermost): Set up the new innmost_loop_behavior fields.
10172         * tree-vectorizer.h (STMT_VINFO_DR_BASE_ALIGNMENT): New macro.
10173         (STMT_VINFO_DR_BASE_MISALIGNMENT): Likewise.
10174         * tree-vect-data-refs.c: Include tree-cfg.h.
10175         (vect_compute_data_ref_alignment): Use the new innermost_loop_behavior
10176         fields instead of calculating an alignment here.
10177         (vect_analyze_data_refs): Use dr_analyze_innermost.  Dump the new
10178         innermost_loop_behavior fields.
10179
10180 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10181
10182         * tree-data-ref.h (innermost_loop_behavior): Add a step_alignment
10183         field.
10184         (DR_STEP_ALIGNMENT): New macro.
10185         * tree-vectorizer.h (STMT_VINFO_DR_STEP_ALIGNMENT): Likewise.
10186         * tree-data-ref.c (dr_analyze_innermost): Initalize step_alignment.
10187         (create_data_ref): Print it.
10188         * tree-vect-stmts.c (vectorizable_load): Use the step alignment
10189         to tell whether the step preserves vector (mis)alignment.
10190         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
10191         Move the check for an integer step and generalise to all INTEGER_CST.
10192         (vect_analyze_data_refs): Set DR_STEP_ALIGNMENT when setting DR_STEP.
10193         Print the outer step alignment.
10194
10195 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10196
10197         * tree-data-ref.h (innermost_loop_behavior): Replace aligned_to
10198         with offset_alignment.
10199         (DR_ALIGNED_TO): Delete.
10200         (DR_OFFSET_ALIGNMENT): New macro.
10201         * tree-vectorizer.h (STMT_VINFO_DR_ALIGNED_TO): Delete.
10202         (STMT_VINFO_DR_OFFSET_ALIGNMENT): New macro.
10203         * tree-data-ref.c (dr_analyze_innermost): Update after above changes.
10204         (create_data_ref): Likewise.
10205         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
10206         (vect_analyze_data_refs): Likewise.
10207         * tree-if-conv.c (if_convertible_loop_p_1): Use memset before
10208         creating dummy innermost behavior.
10209
10210 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10211
10212         * tree-data-ref.h (dr_analyze_innermost): Replace the dr argument
10213         with a "innermost_loop_behavior *" and refeence tree.
10214         * tree-data-ref.c (dr_analyze_innermost): Likewise.
10215         (create_data_ref): Update call accordingly.
10216         * tree-predcom.c (find_looparound_phi): Likewise.
10217
10218 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10219
10220         * tree-vectorizer.h (_stmt_vec_info): Replace individual dr_*
10221         fields with dr_wrt_vec_loop.
10222         (STMT_VINFO_DR_BASE_ADDRESS, STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET)
10223         (STMT_VINFO_DR_STEP, STMT_VINFO_DR_ALIGNED_TO): Update accordingly.
10224         (STMT_VINFO_DR_WRT_VEC_LOOP): New macro.
10225         (vect_dr_behavior): New function.
10226         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
10227         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Use
10228         vect_dr_behavior.  Use a step_preserves_misalignment_p boolean to
10229         track whether the step preserves the misalignment.
10230         (vect_create_addr_base_for_vector_ref): Remove loop parameter.
10231         Use vect_dr_behavior.
10232         (vect_setup_realignment): Update call accordingly.
10233         (vect_create_data_ref_ptr): Likewise.  Use vect_dr_behavior.
10234         * tree-vect-loop-manip.c (vect_gen_prolog_loop_niters): Update
10235         call to vect_create_addr_base_for_vector_ref.
10236         (vect_create_cond_for_align_checks): Likewise.
10237         * tree-vect-patterns.c (vect_recog_bool_pattern): Copy
10238         STMT_VINFO_DR_WRT_VEC_LOOP as a block.
10239         (vect_recog_mask_conversion_pattern): Likewise.
10240         * tree-vect-stmts.c (compare_step_with_zero): Use vect_dr_behavior.
10241         (new_stmt_vec_info): Remove redundant zeroing.
10242
10243 2017-07-03  Richard Earnshaw  <rearnsha@arm.com>
10244
10245         * common/config/arm/arm-common.c (arm_be8_option): New function.
10246         * config/arm/arm-isa.h (isa_feature): Add new feature bit isa_bit_be8.
10247         (ISA_ARMv6): Add isa_bit_be8.
10248         * config/arm/arm.h (arm_be8_option): Add prototype.
10249         (BE8_SPEC_FUNCTION): New define.
10250         (EXTRA_SPEC_FUNCTIONS): Add BE8_SPEC_FUNCTION.
10251         * config/arm/arm.opt (mbig-endian): Mark as Negative of mlittle-endian.
10252         (mlittle-endian): Similarly.
10253         (mbe8, mbe32): New options.
10254         * config/arm/bpabi.h (BE8_LINK_SPEC): Call arm_be8_option.
10255         * doc/invoke.texi (ARM Options): Document -mbe8 and -mbe32.
10256
10257 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10258
10259         * tree-cfg.c (gimple_find_sub_bbs): Fix profile updating.
10260
10261 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10262
10263         * tree-cfgcleanup.c (want_merge_blocks_p): New function.
10264         (cleanup_tree_cfg_bb): Use it.
10265         * profile-count.h (profile_count::of_for_merging, profile_count::merge):
10266         New functions.
10267         * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.
10268
10269 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10270
10271         PR bootstrap/81285
10272         * loop-doloop.c (add_test): Update profile.
10273
10274 2017-07-03  Martin Liska  <mliska@suse.cz>
10275
10276         PR sanitize/81040
10277         * sanopt.c (rewrite_usage_of_param): New function.
10278         (sanitize_rewrite_addressable_params): Likewise.
10279         (pass_sanopt::execute): Call rewrite_usage_of_param.
10280
10281 2017-07-03  Richard Biener  <rguenther@suse.de>
10282
10283         * tree-vect-loop.c (vect_create_epilog_for_reduction): Revert
10284         back to using VIEW_CONVERT_EXPR.
10285
10286 2017-07-03  Martin Liska  <mliska@suse.cz>
10287
10288         PR other/78366
10289         * doc/extend.texi: Document when a resolver function is
10290         generated for target_clones.
10291
10292 2017-07-03  Martin Liska  <mliska@suse.cz>
10293
10294         * asan.c (asan_emit_stack_protection): Unpoison just red zones
10295         and shadow memory of auto variables which are subject of
10296         use-after-scope sanitization.
10297         (asan_expand_mark_ifn): Add do set only when is_poison.
10298
10299 2016-07-03  Richard Biener  <rguenther@suse.de>
10300
10301         * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze
10302         reduction PHIs.
10303         (vect_force_simple_reduction): Record reduction def -> phi mapping.
10304         (vectorizable_reduction): Perform reduction PHI creation when
10305         visiting a reduction PHI and adjust and simplify code generation
10306         phase of the reduction op.  Cache dts, use fold_binary, not fold_build2.
10307         (vect_transform_loop): Visit reduction PHIs.
10308         * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction
10309         defs into the SLP tree.
10310         (vect_build_slp_tree): Reduction defs terminate the recursion.
10311         * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup
10312         of reduction defs.
10313         (vect_get_vec_defs_for_stmt_copy): Export.
10314         (vect_get_vec_defs): Likewise.
10315         * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def
10316         purpose.
10317         (vect_get_vec_defs_for_stmt_copy): Declare.
10318         (vect_get_vec_defs): Likewise.
10319
10320 2017-07-03  Richard Sandiford  <richard.sandiford@linaro.org>
10321
10322         * tree-data-ref.c (dr_analyze_innermost): Replace the "nest"
10323         parameter with a "loop" parameter and use it instead of the
10324         loop containing DR_STMT.  Don't check simple_iv when doing
10325         BB analysis.  Describe the two analysis modes in the comment.
10326
10327 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10328
10329         PR tree-optimization/69468
10330         * tree-ssa-tail-merge.c (ignore_edge_flags): New constant.
10331         (find_same_succ_bb): Handle ignore_edge_flags.
10332
10333 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10334
10335         PR tree-optimization/81192
10336         * tree-ssa-tail-merge.c (same_succ_hash): Use bb->loop_father->num in
10337         hash.
10338         (same_succ::equal): Don't find bbs to be equal if bb->loop_father
10339         differs.
10340         (find_same_succ_bb): Remove obsolete test on bb->loop_father->latch.
10341
10342 2017-07-03  Tom de Vries  <tom@codesourcery.com>
10343
10344         PR tree-optimization/81192
10345         * tree-ssa-tail-merge.c (same_succ_flush_bb): Handle
10346         BB_SAME_SUCC (bb) == NULL.
10347
10348 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10349
10350         * cfgrtl.c (rtl_verify_edges): Enable checking of profile_probability
10351         consistency.
10352
10353 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10354
10355         * dumpfile.c: Include profile-count.h
10356         * tree-cfg.c (gimple_duplicate_sese_tail): Drop UNUSED attributes;
10357         update profile.
10358         (insert_cond_bb): Update profile.
10359         * tree-cfg.h (insert_cond_bb): Update prototype.
10360         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Update.
10361         * tree-dump.c: Do not include tree-cfg.
10362
10363 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10364
10365         * bb-reorder.c (fix_up_crossing_landing_pad): Update profile.
10366
10367 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10368
10369         * expect.c (dw2_build_landing_pads): Update profile of the landing pad
10370         bb.
10371
10372 2017-07-02  Jan Hubicka  <hubicka@ucw.cz>
10373
10374         * tree-complex.c (expand_complex_div_wide): update profile.
10375
10376 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10377             Alan Hayward  <alan.hayward@arm.com>
10378             David Sherwood  <david.sherwood@arm.com>
10379
10380         * Makefile.in (MACHMODE_H): Remove insn-modes.h
10381         (CORETYPES_H): New define.
10382         (MOSTLYCLEANFILES): Add insn-modes-inline.h.
10383         (insn-modes-inline.h, s-modes-inline-h): New rules.
10384         (generated_files): Add insn-modes-inline.h.
10385         (RTL_BASE_H, TREE_CORE_H): Use CORETYPES_H instead of coretypes.h.
10386         (build/gensupport.o, build/ggc-none.o, build/print-rtl.o): Likewise.
10387         (build/read-md.o, build/read-rtl.o, build/rtl.o): Likewise.
10388         (build/vec.o, build/hash-table.o, build/inchash.o): Likewise.
10389         (build/gencondmd.o, build/genattr.o, build/genattr-common.o): Likewise.
10390         (build/genattrtab.o, build/genautomata.o, build/gencheck.o): Likewise.
10391         (build/gencodes.o, build/genconditions.o): Likewise.
10392         (build/genconfig.o, build/genconstants.o, build/genemit.o): Likewise.
10393         (build/genenums.o, build/genextract.o, build/genflags.o): Likewise.
10394         (build/gentarget-def.o, build/genmddeps.o, build/genopinit.o)
10395         (build/genoutput.o, build/genpeep.o, build/genpreds.o): Likewise.
10396         (build/genrecog.o, build/genmddump.o, build/genmatch.o): Likewise.
10397         (build/gencfn-macros.o, build/gcov-iov.o): Likewise.
10398         * coretypes.h: Include everything up to real.h for generators.
10399         Include insn-modes.h first.  Include wide-int-print.h after
10400         wide-int.h.  Include insn-modes-inline.h and then machmode.h.
10401         * machmode.h: Don't include insn-modes.h here.
10402         * function-tests.c: Remove includes of signop.h, machmode.h,
10403         double-int.h and wide-int.h.
10404         * rtl.h: Likewise.
10405         * gcc-rich-location.c: Remove includes of machmode.h, double-int.h
10406         and wide-int.h.
10407         * optc-save-gen.awk: Likewise.
10408         * gencheck.c (BITS_PER_UNIT): Delete dummy definition.
10409         * godump.c: Remove include of wide-int-print.h.
10410         * pretty-print.h: Likewise.
10411         * wide-int-print.cc: Likewise.
10412         * wide-int.cc: Likewise.
10413         * hash-map-tests.c: Remove include of signop.h.
10414         * hash-set-tests.c: Likewise.
10415         * rtl-tests.c: Likewise.
10416         * mkconfig.sh: Remove include of machmode.h.
10417         * genmodes.c (emit_insn_modes_h): Split emission of inline functions
10418         into...
10419         (emit_insn_modes_inline_h): ...this new function.  Emit the code
10420         into an insn-modes-inline.h header file, adding appropriate
10421         include guards and end comments.
10422         (emit_insn_modes_c_header): Remove include of machmode.h.
10423         (emit_min_insn_modes_c_header): Include coretypes.h rather than
10424         machmode.h.
10425         (main): Handle -i flag and call emit_insn_modes_inline_h when
10426         it is passed.
10427
10428 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10429
10430         * tree-ssa-strlen.c (strinfo): Rename the length field to
10431         nonzero_chars.  Add a full_string_p field.
10432         (compare_nonzero_chars, zero_length_string_p): New functions.
10433         (get_addr_stridx): Add an offset_out parameter.
10434         Use compare_nonzero_chars.
10435         (get_stridx): Update accordingly.  Use compare_nonzero_chars.
10436         (new_strinfo): Update after above changes to strinfo.
10437         (set_endptr_and_length): Set full_string_p.
10438         (get_string_length): Update after above changes to strinfo.
10439         (unshare_strinfo): Update call to new_strinfo.
10440         (maybe_invalidate): Likewise.
10441         (get_stridx_plus_constant): Change off to unsigned HOST_WIDE_INT.
10442         Use compare_nonzero_chars and zero_string_p.  Treat nonzero_chars
10443         as a uhwi instead of an shwi.  Update after above changes to
10444         strinfo and new_strinfo.
10445         (zero_length_string): Assert that chainsi contains full strings.
10446         Use zero_length_string_p.  Update call to new_strinfo.
10447         (adjust_related_strinfos): Update after above changes to strinfo.
10448         Copy full_string_p from origsi.
10449         (adjust_last_stmt): Use zero_length_string_p.
10450         (handle_builtin_strlen): Update after above changes to strinfo and
10451         new_strinfo.  Install the lhs as the string length if the previous
10452         entry didn't describe a full string.
10453         (handle_builtin_strchr): Update after above changes to strinfo
10454         and new_strinfo.
10455         (handle_builtin_strcpy): Likewise.
10456         (handle_builtin_strcat): Likewise.
10457         (handle_builtin_malloc): Likewise.
10458         (handle_pointer_plus): Likewise.
10459         (handle_builtin_memcpy): Likewise.  Track nonzero characters
10460         that aren't necessarily followed by a nul terminator.
10461         (handle_char_store): Likewise.
10462
10463 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10464
10465         PR tree-optimization/80769
10466         * tree-ssa-strlen.c (strinfo): Document that "stmt" is also used
10467         for malloc and calloc.  Document the new invariant that all related
10468         strinfos have delayed lengths or none do.
10469         (verify_related_strinfos): Move earlier in file.
10470         (set_endptr_and_length): New function, split out from...
10471         (get_string_length): ...here.  Also set the lengths of related
10472         strinfos.
10473         (zero_length_string): Assert that chainsi has known (rather than
10474         delayed) lengths.
10475         (adjust_related_strinfos): Likewise.
10476
10477 2017-07-02  Richard Sandiford  <richard.sandiford@linaro.org>
10478
10479         PR tree-optimization/81136
10480         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Only
10481         assert that two references with the same misalignment have the same
10482         compile-time misalignment if those compile-time misalignments
10483         are known.
10484
10485 2017-07-01  Andi Kleen  <ak@linux.intel.com>
10486
10487         * print-tree.c (print_node): Print all attributes.
10488
10489 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10490
10491         * cfg.c (scale_bbs_frequencies): New function.
10492         * cfg.h (scale_bbs_frequencies): Declare it.
10493         * cfgloopanal.c (single_likely_exit): Cleanup.
10494         * cfgloopmanip.c (scale_loop_frequencies): Take profile_probability
10495         as parameter.
10496         (scale_loop_profile): Likewise.
10497         (loop_version): Likewise.
10498         (create_empty_loop_on_edge): Update.
10499         * cfgloopmanip.h (scale_loop_frequencies, scale_loop_profile,
10500         scale_loop_frequencies, scale_loop_profile, loopify,
10501         loop_version): Update prototypes.
10502         * modulo-sched.c (sms_schedule): Update.
10503         * predict.c (unlikely_executed_edge_p): Also check probability.
10504         (probably_never_executed_edge_p): Fix typo.
10505         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10506         * tree-parloops.c (gen_parallel_loop): Update.
10507         * tree-ssa-loop-ivcanon.c (try_peel_loop): Update.
10508         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10509         * tree-ssa-loop-split.c (split_loop): Update.
10510         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10511         * tree-vect-loop-manip.c (vect_do_peeling): Update.
10512         (vect_loop_versioning): Update.
10513         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10514
10515 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10516
10517         * trans-mem.c (split_bb_make_tm_edge): Update profile.
10518
10519 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10520
10521         * tree-if-conv.c (combine_blocks): Use make_single_succ_edge
10522         to keep profile consistent.
10523
10524 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10525
10526         * cfgrtl.c (rtl_flow_call_edges_add): Update profile.
10527         * tree-cfg.c (gimple_flow_call_edges_add): Likewise.
10528         * profile-count.h (max_safe_multiplier): Make unsigned.
10529         (profile_count::guessed_zero): New.
10530
10531 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10532
10533         * bb-reorder.c (fix_up_crossing_landing_pad,
10534         fix_crossing_conditional_branches): Use make_single_succ_edge
10535         to keep profile consistent.
10536
10537 2017-07-01  Jan Hubicka  <hubicka@ucw.cz>
10538
10539         * tree-vect-loop.c (optimize_mask_stores): Use make_single_succ_edge
10540         to update profile.
10541
10542 2017-07-01  Jakub Jelinek  <jakub@redhat.com>
10543
10544         PR sanitizer/81262
10545         * bb-reorder.c (fix_up_fall_thru_edges): Move variable declarations to
10546         the right scopes, make sure cond_jump isn't preserved between multiple
10547         iterations.  Search for fallthru edge whenever there are 3+ edges and
10548         use find_fallthru_edge for it.
10549
10550 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10551
10552         Patch by Alexander Monakov <amonakov@ispras.ru>
10553         * sel-sched-ir.c (compute_succs_info): Handle uninitialized
10554         probabilities consistently.
10555
10556 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10557
10558         * pa.c (pa_expand_compare_and_swap_loop): Update call of
10559         emit_cmp_and_jump_insns.
10560
10561 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10562
10563         PR ipa/81261
10564         * tree-inline.c (expand_call_inline): Combine profile statuses.
10565
10566 2017-06-30  Andrew Pinski  <apinski@cavium.com>
10567
10568         * tree-if-conv.c (predicate_scalar_phi): Update new_stmt if
10569         fold_stmt returned true.
10570
10571 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10572
10573         * ggc.h (empty_string): Delete.
10574         * cfgexpand.c (expand_asm_stmt): Use plain "".
10575         * optabs.c (expand_asm_memory_barrier): Likewise.
10576         * stringpool.c (empty_string): Delete.
10577         (digit_vector, digit_string): Delete.
10578         (ggc_alloc_string): Use plain "", don't optimize single digit
10579         strings.  Use ggc_alloc_atomic.
10580
10581 2017-06-30  Richard Earnshaw  <rearnsha@arm.com>
10582
10583         * rtlanal.c (insn_rtx_cost): If a parallel contains exactly one
10584         comparison set and one other set, use the cost of the non-comparison
10585         set.
10586
10587 2017-06-30  Nathan Sidwell  <nathan@acm.org>
10588
10589         * ggc.h: Replace all 'static inline' with plain 'inline'.  Fix
10590         some formatting.
10591
10592 2017-06-30  Peter Bergner  <bergner@vnet.ibm.com>
10593
10594         * tree-cfg.c (group_case_labels_stmt): Merge scanning and compressing
10595         loops.  Remove now unneeded calls to gimple_switch_set_label() that
10596         just set removed labels to NULL_TREE.
10597
10598 2017-06-30  Aldy Hernandez  <aldyh@redhat.com>
10599
10600         * tree-ssanames.c (set_range_info_raw): Abstract from ...
10601         (set_range_info): ...here.  Only call set_range_info_raw if domain
10602         is useful.
10603         (set_nonzero_bits): Call set_range_info_raw.
10604         * tree-ssanames.h (set_range_info_raw): New.
10605
10606 2017-06-30  Jakub Jelinek  <jakub@redhat.com>
10607
10608         PR target/81225
10609         * config/i386/sse.md (vec_extract_lo_<mode><mask_name>): For V8FI,
10610         V16FI and VI8F_256 iterators, use <store_mask_predicate> instead
10611         of nonimmediate_operand and <store_mask_constraint> instead of m
10612         for the input operand.  For V8FI iterator, always split if input
10613         is a MEM.  For V16FI and V8SF_256 iterators, don't test if both
10614         operands are MEM if <mask_applied>.  For VI4F_256 iterator, use
10615         <store_mask_predicate> instead of register_operand and
10616         <store_mask_constraint> instead of v for the input operand.  Make
10617         sure both operands aren't MEMs for if not <mask_applied>.
10618
10619 2017-06-30  Sylvestre Ledru  <sylvestre@debian.org>
10620
10621         * lto-wrapper.c (copy_file) Close both file descriptors before
10622         exiting normally.
10623
10624 2017-06-30  Martin Liska  <mliska@suse.cz>
10625
10626         PR ipa/81214
10627         * multiple_target.c (create_dispatcher_calls): Make ifunc
10628         also for function that don't have calls or are not referenced.
10629
10630 2017-06-30  Richard Biener  <rguenther@suse.de>
10631
10632         * tree-vect-slp.c (vect_slp_analyze_node_operations): Only
10633         analyze the first scalar stmt.  Move vector type computation
10634         for the BB case here from ...
10635         * tree-vect-stmts.c (vect_analyze_stmt): ... here.  Guard
10636         live operation processing in the SLP case properly.
10637
10638 2017-06-30  Richard Biener  <rguenther@suse.de>
10639
10640         * graph.c (draw_cfg_node_succ_edges): Fix broken dot syntax.
10641
10642 2017-06-30  Martin Liska  <mliska@suse.cz>
10643
10644         PR sanitizer/81021
10645         * tree-eh.c (lower_resx): Call BUILT_IN_ASAN_HANDLE_NO_RETURN
10646         before BUILT_IN_UNWIND_RESUME when ASAN is used.
10647
10648 2017-06-30  Yvan Roux  <yvan.roux@linaro.org>
10649
10650         * doc/invoke.texi (AArch64): Add missing options and remove redundant
10651         ones.
10652
10653 2017-06-30  Richard Biener  <rguenther@suse.de>
10654
10655         PR tree-optimization/81249
10656         * tree-vect-loop.c (vect_create_epilog_for_reduction): Convert
10657         condition reduction result to original scalar type.
10658
10659 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10660
10661         * profile-count.h (enum profile_quality): Fix typos and whitespace
10662         issues.
10663
10664 2017-06-30  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
10665
10666         * config/s390/s390.c (s390_expand_setmem): Adjust to the new data
10667         type for branch probabilities.
10668
10669 2017-06-29  Julian Brown  <julian@codesourcery.com>
10670             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10671
10672         * config/aarch64/aarch64-fusion-pairs.def: Add ALU_BRANCH entry.
10673         * config/aarch64/aarch64.c (AARCH64_FUSE_ALU_BRANCH): New fusion type.
10674         (thunderx2t99_tunings): Set AARCH64_FUSE_ALU_BRANCH flag.
10675         (aarch_macro_fusion_pair_p): Add support for AARCH64_FUSE_ALU_BRANCH.
10676
10677 2017-06-29  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
10678
10679         * config/aarch64/aarch64.c (aarch_macro_fusion_pair_p): Push the
10680         check for CC usage into AARCH64_FUSE_CMP_BRANCH.
10681         * config/i386/i386.c (ix86_macro_fusion_pair_p): Push the check for
10682         CC usage from generic code to here.
10683         * sched-deps.c (sched_macro_fuse_insns): Move the condition for
10684         CC usage into the target macros.
10685
10686 2017-06-29  Maya Rashish  <coypu@sdf.org>
10687
10688         * config/netbsd.h (NETBSD_LIB_SPEC): Add -lc when creating shared
10689         objects.
10690
10691 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10692
10693         * arm/arm-builtins.c: Include profile-count.h
10694         * except.c (sjlj_emit_function_enter): Use
10695         profile_probability::unlikely.
10696
10697 2017-06-29  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
10698
10699         * config/rs6000/rs6000.c (toc_relative_expr_p): Make tocrel_base
10700         and tocrel_offset be pointer args rather than implicitly using
10701         static versions.
10702         (legitimate_constant_pool_address_p, rs6000_emit_move,
10703         const_load_sequence_p, adjust_vperm): Add local tocrel_base and
10704         tocrel_offset and use in toc_relative_expr_p call.
10705         (print_operand, print_operand_address): Use static tocrel_base_oac
10706         and tocrel_offset_oac.
10707         (rs6000_output_addr_const_extra): Use static tocrel_base_oac and
10708         tocrel_offset_oac.
10709
10710 2017-06-29  Maya Rashish  <coypu@sdf.org>
10711
10712         * config/vax/builtins.md (ffssi2_internal): Correct constraint.
10713
10714 2017-06-29  Eric Botcazou  <ebotcazou@adacore.com>
10715
10716         * expr.c (expand_expr) <normal_inner_ref>: When testing for unaligned
10717         objects, take into account only the alignment of 'op0' and 'mode1' if
10718         'op0' is a MEM.
10719
10720 2017-06-29  Steve Ellcey  <sellcey@cavium.com>
10721
10722         * ccmp.c (ccmp_tree_comparison_p): New function.
10723         (ccmp_candidate_p): Update to use above function.
10724         (get_compare_parts): New function.
10725         (expand_ccmp_next): Update to use new functions.
10726         (expand_ccmp_expr_1): Take tree arg instead of gimple, update to use
10727         new functions.
10728         (expand_ccmp_expr): Pass tree instead of gimple to expand_ccmp_expr_1,
10729         take mode as argument.
10730         * ccmp.h (expand_ccmp_expr): Add mode as argument.
10731         * expr.c (expand_expr_real_1): Pass mode as argument.
10732
10733 2017-06-29  Segher Boessenkool  <segher@kernel.crashing.org>
10734
10735         * combine.c (combine_instructions): Print insns to dump_file, together
10736         with their costs.
10737
10738 2017-06-29  Jan Hubicka  <hubicka@ucw.cz>
10739
10740         * asan.c (asan_emit_stack_protection): Update.
10741         (create_cond_insert_point): Update.
10742         * auto-profile.c (afdo_propagate_circuit): Update.
10743         * basic-block.h (struct edge_def): Turn probability to
10744         profile_probability.
10745         (EDGE_FREQUENCY): Update.
10746         * bb-reorder.c (find_traces_1_round): Update.
10747         (better_edge_p): Update.
10748         (sanitize_hot_paths): Update.
10749         * cfg.c (unchecked_make_edge): Initialize probability to uninitialized.
10750         (make_single_succ_edge): Update.
10751         (check_bb_profile): Update.
10752         (dump_edge_info): Update.
10753         (update_bb_profile_for_threading): Update.
10754         * cfganal.c (connect_infinite_loops_to_exit): Initialize new edge
10755         probabilitycount to 0.
10756         * cfgbuild.c (compute_outgoing_frequencies): Update.
10757         * cfgcleanup.c (try_forward_edges): Update.
10758         (outgoing_edges_match): Update.
10759         (try_crossjump_to_edge): Update.
10760         * cfgexpand.c (expand_gimple_cond): Update make_single_succ_edge.
10761         (expand_gimple_tailcall): Update.
10762         (construct_init_block): Use make_single_succ_edge.
10763         (construct_exit_block): Use make_single_succ_edge.
10764         * cfghooks.c (verify_flow_info): Update.
10765         (redirect_edge_succ_nodup): Update.
10766         (split_edge): Update.
10767         (account_profile_record): Update.
10768         * cfgloopanal.c (single_likely_exit): Update.
10769         * cfgloopmanip.c (scale_loop_profile): Update.
10770         (set_zero_probability): Remove.
10771         (duplicate_loop_to_header_edge): Update.
10772         * cfgloopmanip.h (loop_version): Update prototype.
10773         * cfgrtl.c (try_redirect_by_replacing_jump): Update.
10774         (force_nonfallthru_and_redirect): Update.
10775         (update_br_prob_note): Update.
10776         (rtl_verify_edges): Update.
10777         (purge_dead_edges): Update.
10778         (rtl_lv_add_condition_to_bb): Update.
10779         * cgraph.c: (cgraph_edge::redirect_call_stmt_to_calle): Update.
10780         * cgraphunit.c (init_lowered_empty_function): Update.
10781         (cgraph_node::expand_thunk): Update.
10782         * cilk-common.c: Include profile-count.h
10783         * dojump.c (inv): Remove.
10784         (jumpifnot): Update.
10785         (jumpifnot_1): Update.
10786         (do_jump_1): Update.
10787         (do_jump): Update.
10788         (do_jump_by_parts_greater_rtx): Update.
10789         (do_compare_rtx_and_jump): Update.
10790         * dojump.h (jumpifnot, jumpifnot_1, jumpif_1, jumpif, do_jump,
10791         do_jump_1. do_compare_rtx_and_jump): Update prototype.
10792         * dwarf2cfi.c: Include profile-count.h
10793         * except.c (dw2_build_landing_pads): Use make_single_succ_edge.
10794         (sjlj_emit_dispatch_table): Likewise.
10795         * explow.c: Include profile-count.h
10796         * expmed.c (emit_store_flag_force): Update.
10797         (do_cmp_and_jump): Update.
10798         * expr.c (compare_by_pieces_d::generate): Update.
10799         (compare_by_pieces_d::finish_mode): Update.
10800         (emit_block_move_via_loop): Update.
10801         (store_expr_with_bounds): Update.
10802         (store_constructor): Update.
10803         (expand_expr_real_2): Update.
10804         (expand_expr_real_1): Update.
10805         * expr.h (try_casesi, try_tablejump): Update prototypes.
10806         * gimple-pretty-print.c (dump_probability): Update.
10807         (dump_profile): New.
10808         (dump_gimple_label): Update.
10809         (dump_gimple_bb_header): Update.
10810         * graph.c (draw_cfg_node_succ_edges): Update.
10811         * hsa-gen.c (convert_switch_statements): Update.
10812         * ifcvt.c (cheap_bb_rtx_cost_p): Update.
10813         (find_if_case_1): Update.
10814         (find_if_case_2): Update.
10815         * internal-fn.c (expand_arith_overflow_result_store): Update.
10816         (expand_addsub_overflow): Update.
10817         (expand_neg_overflow): Update.
10818         (expand_mul_overflow): Update.
10819         (expand_vector_ubsan_overflow): Update.
10820         * ipa-cp.c (good_cloning_opportunity_p): Update.
10821         * ipa-split.c (split_function): Use make_single_succ_edge.
10822         * ipa-utils.c (ipa_merge_profiles): Update.
10823         * loop-doloop.c (add_test): Update.
10824         (doloop_modify): Update.
10825         * loop-unroll.c (compare_and_jump_seq): Update.
10826         (unroll_loop_runtime_iterations): Update.
10827         * lra-constraints.c (lra_inheritance): Update.
10828         * lto-streamer-in.c (input_cfg): Update.
10829         * lto-streamer-out.c (output_cfg): Update.
10830         * mcf.c (adjust_cfg_counts): Update.
10831         * modulo-sched.c (sms_schedule): Update.
10832         * omp-expand.c (expand_omp_for_init_counts): Update.
10833         (extract_omp_for_update_vars): Update.
10834         (expand_omp_ordered_sink): Update.
10835         (expand_omp_for_ordered_loops): Update.
10836         (expand_omp_for_generic): Update.
10837         (expand_omp_for_static_nochunk): Update.
10838         (expand_omp_for_static_chunk): Update.
10839         (expand_cilk_for): Update.
10840         (expand_omp_simd): Update.
10841         (expand_omp_taskloop_for_outer): Update.
10842         (expand_omp_taskloop_for_inner): Update.
10843         * omp-simd-clone.c (simd_clone_adjust): Update.
10844         * optabs.c (expand_doubleword_shift): Update.
10845         (expand_abs): Update.
10846         (emit_cmp_and_jump_insn_1): Update.
10847         (expand_compare_and_swap_loop): Update.
10848         * optabs.h (emit_cmp_and_jump_insns): Update prototype.
10849         * predict.c (predictable_edge_p): Update.
10850         (edge_probability_reliable_p): Update.
10851         (set_even_probabilities): Update.
10852         (combine_predictions_for_insn): Update.
10853         (combine_predictions_for_bb): Update.
10854         (propagate_freq): Update.
10855         (estimate_bb_frequencies): Update.
10856         (force_edge_cold): Update.
10857         * profile-count.c (profile_count::dump): Add missing space into dump.
10858         (profile_count::debug): Add newline.
10859         (profile_count::differs_from_p): Explicitly convert to unsigned.
10860         (profile_count::stream_in): Update.
10861         (profile_probability::dump): New member function.
10862         (profile_probability::debug): New member function.
10863         (profile_probability::differs_from_p): New member function.
10864         (profile_probability::differs_lot_from_p): New member function.
10865         (profile_probability::stream_in): New member function.
10866         (profile_probability::stream_out): New member function.
10867         * profile-count.h (profile_count_quality): Rename to ...
10868         (profile_quality): ... this one.
10869         (profile_probability): New.
10870         (profile_count): Update.
10871         * profile.c (compute_branch_probabilities): Update.
10872         * recog.c (peep2_attempt): Update.
10873         * sched-ebb.c (schedule_ebbs): Update.
10874         * sched-rgn.c (find_single_block_region): Update.
10875         (compute_dom_prob_ps): Update.
10876         (schedule_region): Update.
10877         * sel-sched-ir.c (compute_succs_info): Update.
10878         * stmt.c (struct case_node): Update.
10879         (do_jump_if_equal): Update.
10880         (get_outgoing_edge_probs): Update.
10881         (conditional_probability): Update.
10882         (emit_case_dispatch_table): Update.
10883         (expand_case): Update.
10884         (expand_sjlj_dispatch_table): Update.
10885         (emit_case_nodes): Update.
10886         * targhooks.c: Update.
10887         * tracer.c (better_p): Update.
10888         (find_best_successor): Update.
10889         * trans-mem.c (expand_transaction): Update.
10890         * tree-call-cdce.c: Update.
10891         * tree-cfg.c (gimple_split_edge): Upate.
10892         (move_sese_region_to_fn): Upate.
10893         * tree-cfgcleanup.c (cleanup_control_expr_graph): Upate.
10894         * tree-eh.c (lower_resx): Upate.
10895         (cleanup_empty_eh_move_lp): Upate.
10896         * tree-if-conv.c (version_loop_for_if_conversion): Update.
10897         * tree-inline.c (copy_edges_for_bb): Update.
10898         (copy_cfg_body): Update.
10899         * tree-parloops.c (gen_parallel_loop): Update.
10900         * tree-profile.c (gimple_gen_ic_func_profiler): Update.
10901         (gimple_gen_time_profiler): Update.
10902         * tree-ssa-dce.c (remove_dead_stmt): Update.
10903         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
10904         * tree-ssa-loop-im.c (execute_sm_if_changed): Update.
10905         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update.
10906         (unloop_loops): Update.
10907         (try_peel_loop): Update.
10908         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
10909         * tree-ssa-loop-split.c (connect_loops): Update.
10910         (split_loop): Update.
10911         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Update.
10912         (hoist_guard): Update.
10913         * tree-ssa-phionlycprop.c (propagate_rhs_into_lhs): Update.
10914         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update.
10915         (value_replacement): Update.
10916         * tree-ssa-reassoc.c (branch_fixup): Update.
10917         * tree-ssa-tail-merge.c (replace_block_by): Update.
10918         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Update.
10919         (create_edge_and_update_destination_phis): Update.
10920         (compute_path_counts): Update.
10921         (recompute_probabilities): Update.
10922         (update_joiner_offpath_counts): Update.
10923         (freqs_to_counts_path): Update.
10924         (duplicate_thread_path): Update.
10925         * tree-switch-conversion.c (hoist_edge_and_branch_if_true): Update.
10926         (struct switch_conv_info): Update.
10927         (gen_inbound_check): Update.
10928         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
10929         (vect_do_peeling): Update.
10930         (vect_loop_versioning): Update.
10931         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
10932         (optimize_mask_stores): Update.
10933         * ubsan.c (ubsan_expand_null_ifn): Update.
10934         * value-prof.c (gimple_divmod_fixed_value): Update.
10935         (gimple_divmod_fixed_value_transform): Update.
10936         (gimple_mod_pow2): Update.
10937         (gimple_mod_pow2_value_transform): Update.
10938         (gimple_mod_subtract): Update.
10939         (gimple_mod_subtract_transform): Update.
10940         (gimple_ic): Update.
10941         (gimple_stringop_fixed_value): Update.
10942         (gimple_stringops_transform): Update.
10943         * value-prof.h: Update.
10944
10945 2017-06-29  Carl Love  <cel@us.ibm.com>
10946
10947         * config/rs6000/rs6000-c.c: Add support for built-in functions
10948         vector signed int vec_signed (vector float);
10949         vector signed long long vec_signed (vector double);
10950         vector signed int vec_signed2 (vector double, vector double);
10951         vector signed int vec_signede (vector double);
10952         vector signed int vec_signedo (vector double);
10953         * config/rs6000/rs6000.c (rs6000_generate_vsigned2_code): Add
10954         instruction generator.
10955         * config/rs6000/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10956         UNSPEC_VSX_VSIGNED2): Add UNSPECS.
10957         (vsx_xvcvspsxws, vsx_xvcvdpuxds_scale, vsx_xvcvspuxws, vsigned2_v2df):
10958         Add define_insn.
10959         (vsignedo_v2df, vsignede_v2df, vunsigned2_v2df, vunsignedo_v2df,
10960         vunsignede_v2df): Add define_expands.
10961         * config/rs6000/rs6000-builtin.def (VEC_SIGNED, VEC_UNSIGNED,
10962         VEC_SIGNED2, VEC_UNSIGNED2, VEC_SIGNEDE, VEC_UNSIGNEDE, VEC_SIGNEDO,
10963         VEC_UNSIGNEDO): Add definitions.
10964         * config/vsx.md (UNSPEC_VSX_XVCVSPSXWS, UNSPEC_VSX_XVCVSPSXDS,
10965         UNSPEC_VSX_VSIGNED2): Add UNSPECs.
10966         (vsx_xvcvspsxws, vsx_xvcvspuxws): Add define_insn.
10967         (vsigned2_v2df, vsigendo_v2df, vsignede_v2df,
10968         vunsigned2_v2df, vunsignedo_v2df, vunsignede_v2df): Add define_expands.
10969         * config/rs6000/altivec.h (vec_signed, vec_signed2,
10970         vec_signede and vec_signedo, vec_unsigned, vec_unsigned2,
10971         vec_unsignede, vec_unsignedo): Add builtin defines.
10972         * config/rs6000-protos.h (rs6000_generate_vsigned2_code): Add extern
10973         declaration.
10974         * doc/extend.texi: Update the built-in documentation file for the
10975         new built-in functions.
10976
10977 2017-06-29  Richard Biener  <rguenther@suse.de>
10978
10979         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Do not add
10980         reduction chains to LOOP_VINFO_REDUCTIONS.
10981         * tree-vect-slp.c (vect_analyze_slp): Continue looking for
10982         SLP reductions after processing reduction chains.
10983
10984 2017-06-29  Nathan Sidwell  <nathan@acm.org>
10985
10986         * builtins.c (fold_builtin_FUNCTION): Use
10987         lang_hooks.decl_printable_name.
10988
10989 2017-06-29  Peter Bergner  <bergner@vnet.ibm.com>
10990
10991         PR middle-end/81194
10992         * cfgexpand.c (expand_gimple_stmt_1): Handle switch statements
10993         with only one label.
10994         * stmt.c (expand_case): Assert NCASES is greater than one.
10995
10996 2017-06-29  Richard Biener  <rguenther@suse.de>
10997
10998         * tree-cfg.c (group_case_labels_stmt): Return whether we changed
10999         anything.
11000         (group_case_labels): Likewise.
11001         (find_taken_edge): Push sanity checking on val to workers...
11002         (find_taken_edge_cond_expr): ... here
11003         (find_taken_edge_switch_expr): ... and here, handle cases
11004         with just a default label.
11005         * tree-cfg.h (group_case_labels_stmt): Adjust prototype.
11006         (group_case_labels): Likewise.
11007         * tree-cfgcleanup.c (execute_cleanup_cfg_post_optimizing): When
11008         group_case_labels does anything cleanup the CFG again.
11009
11010 2017-06-29  Bin Cheng  <bin.cheng@arm.com>
11011
11012         PR tree-optimization/81196
11013         * tree-ssa-loop-niter.c (number_of_iterations_cond): Handle loop
11014         exit condition comparing two IVs.
11015
11016 2017-06-29  Richard Earnshaw  <rearnsha@arm.com>
11017
11018         * config/arm/parsecpu.awk (gen_comm_data): Add initializer for
11019         profile to the dummy entry at the end of the list of architectures.
11020         * config/arm/arm-cpu-cdata.h: Regenerated.
11021
11022 2017-06-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11023             Michael Collison <michael.collison@arm.com>
11024
11025         PR target/70119
11026         * config/aarch64/aarch64.md (*aarch64_<optab>_reg_<mode>3_mask1):
11027         New pattern.
11028         (*aarch64_reg_<mode>3_neg_mask2): New pattern.
11029         (*aarch64_reg_<mode>3_minus_mask): New pattern.
11030         (*aarch64_<optab>_reg_di3_mask2): New pattern.
11031         * config/aarch64/aarch64.c (aarch64_rtx_costs): Account for cost
11032         of shift when the shift amount is masked with constant equal to
11033         the size of the mode.
11034         * config/aarch64/predicates.md (subreg_lowpart_operator): New
11035         predicate.
11036
11037 2017-06-29  Martin Liska  <mliska@suse.cz>
11038
11039         * config/i386/i386.opt: Change range from [1,5] to [0,5].
11040
11041 2017-06-29  Yury Gribov  <tetra2005@gmail.com>
11042
11043         PR bootstrap/80565
11044         * ipa-cp.c (allocate_and_init_ipcp_value): Add initialization
11045         code.
11046         * ipa-inline.h
11047         (edge_growth_cache_entry::edge_growth_cache_entry): New
11048         function.
11049         (reset_edge_growth_cache): Update to use constructor.
11050
11051 2017-06-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11052
11053         * config/aarch64/aarch64.h (AARCH64_EXPAND_ALIGNMENT): New.
11054         (DATA_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11055         (LOCAL_ALIGNMENT): Update to use AARCH64_EXPAND_ALIGNMENT.
11056
11057 2017-06-28  Sebastian Peryt  <sebastian.peryt@intel.com>
11058
11059         * config/i386/avx512vlintrin.h (_mm256_permutexvar_epi64)
11060         (_mm256_permutexvar_epi32, _mm256_permutex_epi64): New intrinsics.
11061
11062 2017-06-28  Szabolcs Nagy  <szabolcs.nagy@arm.com>
11063
11064         * config.gcc (*-linux-musl*): Add t-musl tmake_file.
11065         (*-linux-uclibc*): Add t-uclibc tmake_file.
11066         * config/t-musl: New.
11067         * config/t-uclibc: New.
11068
11069 2017-06-28  Richard Earnshaw  <rearnsha@arm.com>
11070
11071         * config/arm/parsecpu.awk (profile): Parse new keyword in an arch
11072         context.
11073         (gen_comm_data): Emit architectural setting of arch_prof.
11074         * config/arm/arm-cpus.in (armv6-m, armv6s-m, armv7-a, armv7ve): Set the
11075         profile.
11076         (armv7-r, armv7-m, armv7e-m, armv8-a, armv8.1-a, armv8.2-a): Likewise.
11077         (armv8-m.base, armv8-m.main): Likewise.
11078         * arm-protos.h (arm_build_target): Add profile field.
11079         (arch_option): Likewise.
11080         * config/arm/arm.c (arm_configure_build_target): Copy the profile to
11081         the active target.
11082         * config/arm/arm.h (TARGET_ARM_ARCH_PROFILE): Use
11083         arm_active_target.profile.
11084
11085 2017-06-28  Richard Biener  <rguenther@suse.de>
11086
11087         PR middle-end/81227
11088         * fold-const.c (negate_expr_p): Use TYPE_UNSIGNED, not
11089         TYPE_OVERFLOW_WRAPS.
11090         * match.pd (negate_expr_p): Likewise.
11091         * tree-ssa-reassoc.c (optimize_range_tests_diff): Use
11092         fold_build2, not fold_binary.
11093
11094 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11095
11096         * config/aarch64/aarch64 (aarch64_expand_mov_immediate):
11097         Convert memory address to Pmode.
11098         (aarch64_print_operand): Assert MEM operands are always Pmode.
11099
11100 2017-06-28  Wilco Dijkstra  <wdijkstr@arm.com>
11101
11102         PR target/79665
11103         * config/arm/aarch-common.c (arm_no_early_alu_shift_dep):
11104         Remove redundant if.
11105         (aarch_forward_to_shift_is_not_shifted_reg): Remove.
11106         * config/arm/aarch-common-protos.h
11107         (aarch_forward_to_shift_is_not_shifted_re): Remove.
11108         * config/arm/cortex-a53.md: Use arm_no_early_alu_shift_dep in bypass.
11109
11110 2017-06-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
11111
11112         PR ipa/81238
11113         * multiple_target.c (create_dispatcher_calls): Set the default
11114         clone to be static, not public.
11115
11116 2017-06-28  Richard Biener  <rguenther@suse.de>
11117
11118         * tree-vect-loop.c (vectorizable_reduction): Move special
11119         cond reduction IV var creation ...
11120         (vect_create_epilog_for_reduction): ... here.  Remove induction_index
11121         parameter.  Use STMT_VINFO_VECTYPE.
11122         * tree-vect-slp.c (vect_get_constant_vectors): Properly reset
11123         constant_p.
11124
11125 2017-06-28  Martin Liska  <mliska@suse.cz>
11126
11127         PR ipa/81128
11128         * ipa-visibility.c (non_local_p): Handle visibility.
11129
11130 2017-06-28  Martin Liska  <mliska@suse.cz>
11131
11132         PR driver/79659
11133         * common.opt: Add IntegerRange to various options.
11134         * opt-functions.awk (integer_range_info): New function.
11135         * optc-gen.awk: Add integer_range_info to cl_options struct.
11136         * opts-common.c (decode_cmdline_option): Handle
11137         CL_ERR_INT_RANGE_ARG.
11138         (cmdline_handle_error): Likewise.
11139         * opts.c (print_filtered_help): Show valid interval in
11140         when --help is provided.
11141         * opts.h (struct cl_option): Add range_min and range_max fields.
11142         * config/i386/i386.opt: Add IntegerRange for -mbranch-cost.
11143
11144 2017-06-28  Marc Glisse  <marc.glisse@inria.fr>
11145
11146         * match.pd ((X & ~Y) | (~X & Y)): Generalize to + and ^.
11147         (x * C EQ/NE y * C): New transformation.
11148
11149 2017-06-28  Christophe Lyon  <christophe.lyon@linaro.org>
11150
11151         * genmultilib (combination_space): Accept '+' in option names.
11152
11153 2017-06-28  Martin Liska  <mliska@suse.cz>
11154
11155         PR sanitizer/81224
11156         * asan.c (instrument_derefs): Bail out inner references
11157         that are hard register variables.
11158
11159 2017-06-28  Jakub Jelinek  <jakub@redhat.com>
11160
11161         PR target/81175
11162         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use def_builtin
11163         rather than def_builtin_pure for __builtin_ia32_gatherpf*.
11164
11165 2017-06-28  Richard Biener  <rguenther@suse.de>
11166
11167         * tree-vectorizer.h (vect_get_vec_defs): Remove.
11168         (vect_get_slp_defs): Adjust.
11169         * tree-vect-loop.c (get_initial_defs_for_reduction): Split
11170         out from ...
11171         * tree-vect-slp.c (vect_get_constant_vectors): ... here and
11172         simplify.
11173         * tree-vect-loop.c (vect_create_epilog_for_reduction): Use
11174         get_initial_defs_for_reduction instead of vect_get_vec_defs.
11175         (vectorizable_reduction): Adjust.
11176         * tree-vect-slp.c (vect_get_constant_vectors): Remove reduction
11177         handling.
11178         (vect_get_slp_defs): Likewise.
11179         * tree-vect-stmts.c (vect_get_vec_defs): Make static and adjust.
11180         (vectorizable_bswap): Adjust.
11181         (vectorizable_call): Likewise.
11182         (vectorizable_conversion): Likewise.
11183         (vectorizable_assignment): Likewise.
11184         (vectorizable_shift): Likewise.
11185         (vectorizable_operation): Likewise.
11186         (vectorizable_store): Likewise.
11187         (vectorizable_condition): Likewise.
11188         (vectorizable_comparison): Likewise.
11189
11190 2017-06-28  Michael Collison  <michael.collison@arm.com>
11191
11192         PR target/68535
11193         * config/arm/arm.c (gen_ldm_seq): Remove last unnecessary
11194         set of base_reg
11195         (arm_gen_movmemqi): Removed unused variable 'i'.
11196         Convert 'for' loop into 'while' loop.
11197         (arm_expand_prologue): Remove last unnecessary set of insn.
11198         (thumb_pop): Remove unused variable 'pushed_words'.
11199         (thumb_exit): Remove last unnecessary set of regs_to_pop.
11200
11201 2017-06-28  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
11202
11203         * config/s390/predicates.md: Use s390_rel_address_ok_p.
11204         * config/s390/s390-protos.h: Add prototype of
11205         s390_rel_address_ok_p.
11206         * config/s390/s390.c (s390_got_symbol): New function.
11207         (s390_rel_address_ok_p): New function.
11208         (legitimize_pic_address): Use s390_rel_address_ok_p.
11209         (s390_load_got): Use s390_got_symbol.
11210         (s390_option_override): Issue error if
11211         -mno-pic-data-is-text-relative is used without -fpic/-fPIC.
11212         * config/s390/s390.h (TARGET_DEFAULT_PIC_DATA_IS_TEXT_RELATIVE):
11213         New macro.
11214         * config/s390/s390.opt: New option mpic-data-is-text-relative.
11215
11216 2017-06-27  Andrew Pinski  <apinski@cavium.com>
11217
11218         * match.pd (X >/>=/</<= 0 ? 1.0 : -1.0): New patterns.
11219         (X * copysign (1.0, X)): New pattern.
11220         (X * copysign (1.0, -X)): New pattern.
11221         (copysign (-1.0, CST)): New pattern.
11222
11223 2017-06-27  Joseph Myers  <joseph@codesourcery.com>
11224
11225         * genmultilib (combination_space): Remove variable.
11226         Validate reuse rules against regular expression for any sequence
11227         of multilib options in any order.
11228
11229 2017-06-27  Michael Collison  <michael.collison@arm.com>
11230
11231         * config/aarch64/aarch64-simd.md (aarch64_combine<mode>): Directly
11232         call aarch64_split_simd_combine.
11233         * (aarch64_combine_internal<mode>): Delete pattern.
11234         * config/aarch64/aarch64.c (aarch64_split_simd_combine):
11235         Allow register and subreg operands.
11236
11237 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11238
11239         * config/i386/vxworks.h (ASM_SPEC): Remove definition. No target
11240         specific need, just fallback on defaults.
11241         (ASM_OUTPUT_ALIGNED_BSS): Add #undef before #define.
11242
11243 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11244             Olivier Hainque  <hainque@adacore.com>
11245
11246         * config/i386/vxworks.h (DBX_REGISTER_NUMBER): Pick distinct
11247         map for 64bits.
11248         (TARGET_OS_CPP_BUILTINS): builtin_define CPU to X86_64 for 64bit
11249         targets. Pick a default if no particular attempt applied.
11250         (STACK_CHECK_PROTECT): Double for 64bit targets, which have
11251         larger contexts.
11252
11253 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11254
11255         * config.gcc (i*86-wrs-vxworks7): Handle new acceptable triplet.
11256         (x86_64-wrs-vxworks7): Likewise.
11257
11258 2017-06-27  Marek Polacek  <polacek@redhat.com>
11259
11260         PR sanitizer/81223
11261         * ubsan.c (instrument_null): Check get_base_address's result for null.
11262
11263 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11264
11265         * match.pd ((A+-B)+(C-A), (A+B)-(A-C)): New transformations.
11266
11267 2017-06-27  Marc Glisse  <marc.glisse@inria.fr>
11268
11269         * builtin-types.def (BT_FENV_T_PTR, BT_CONST_FENV_T_PTR,
11270         BT_FEXCEPT_T_PTR, BT_CONST_FEXCEPT_T_PTR): New primitive types.
11271         (BT_FN_INT_FENV_T_PTR, BT_FN_INT_CONST_FENV_T_PTR,
11272         BT_FN_INT_FEXCEPT_T_PTR_INT, BT_FN_INT_CONST_FEXCEPT_T_PTR_INT):
11273         New function types.
11274         * builtins.def (BUILT_IN_FECLEAREXCEPT, BUILT_IN_FEGETENV,
11275         BUILT_IN_FEGETEXCEPTFLAG, BUILT_IN_FEGETROUND,
11276         BUILT_IN_FEHOLDEXCEPT, BUILT_IN_FERAISEEXCEPT,
11277         BUILT_IN_FESETENV, BUILT_IN_FESETEXCEPTFLAG,
11278         BUILT_IN_FESETROUND, BUILT_IN_FETESTEXCEPT,
11279         BUILT_IN_FEUPDATEENV): New builtins.
11280         * tree-core.h (TI_FENV_T_PTR_TYPE, TI_CONST_FENV_T_PTR_TYPE,
11281         TI_FEXCEPT_T_PTR_TYPE, TI_CONST_FEXCEPT_T_PTR_TYPE): New entries.
11282         * tree.h (fenv_t_ptr_type_node, const_fenv_t_ptr_type_node,
11283         fexcept_t_ptr_type_node, const_fexcept_t_ptr_type_node): New
11284         macros.
11285         (builtin_structptr_types): Adjust size.
11286         * tree.c (builtin_structptr_types): Add four entries.
11287
11288 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11289             Olivier Hainque  <hainque@adacore.com>
11290
11291         * config/vxworks.h (VXWORKS_LIB_SPEC): Incorporate ...
11292         (TLS_SYM): New local macro, forcing reference to __tls__ on
11293         link command lines for VxWorks 7 RTPs, triggering initialization
11294         of tlsLib.
11295         (VXWORKS_HAVE_TLS): New macro. State whether the target VxWorks
11296         OS features TLS support, true for RTPs on VxWorks 7.
11297         * config/vxworks.c (vxworks_override_options): Setup emutls
11298         accordingly.
11299
11300 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11301
11302         * predict.c (test_prediction_value_range): Use -1U instead of -1
11303         to avoid narrowing conversion warning.
11304         * dumpfile.c (dump_options): Wrap all value into dump_flags_t cast
11305         to avoid narrowing conversion warning.
11306         * opt-functions.awk (var_ref): Return (unsigned short) -1 instead of
11307         -1.
11308         * optc-gen.awk (END): Expect (unsigned short) -1 instead of -1.
11309
11310 2017-06-27  Jerome Lambourg  <lambourg@adacore.com>
11311
11312         * config/vxworks.h (VXWORKS_LIBS_RTP): Alternative definition for
11313         64bit configurations.
11314         (PTR_DIFF_TYPE): Alternative definition for TARGET_LP64.
11315         (SIZE_TYPE): Likewise.
11316         * config/vxworks.c (vxworks_emutls_var_fields): Use
11317         long_unsigned_type_node instead of unsigned_type_node as the offset
11318         field type, which is "pointer" mode in emutls.c.
11319
11320 2017-06-27  Jakub Jelinek  <jakub@redhat.com>
11321
11322         PR sanitizer/81209
11323         * ubsan.c (ubsan_encode_value): Initialize DECL_CONTEXT on var.
11324
11325         PR middle-end/81207
11326         * gimple-fold.c (replace_call_with_call_and_fold): Handle
11327         gimple_vuse copying separately from gimple_vdef copying.
11328
11329 2017-06-27  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
11330
11331         * value-prof.c (free_hist): Remove call to memset and the enclosing if
11332         condition.
11333
11334 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11335             Olivier Hainque  <hainque@adacore.com>
11336
11337         * config.gcc (*-*-vxworks*): Add TARGET_VXWORKS7=1 to tm_defines
11338         for all vxworks7 targets.
11339         * config/vxworks.h (TARGET_VXWORKS7): If not defined, define to 0.
11340         (VXWORKS_ADDITIONAL_CPP_SPEC): Alternative definition for VXWORKS7.
11341         (VXWORKS_LIBS_RTP, VXWORKS_LIBS_RTP_DIR): New macros, allowing
11342         variations for VX6/VX7 and 32/64bits later on in ...
11343         (VXWORKS_LIB_SPEC): Leverage new macros.
11344         (VXWORKS_OS_CPP_BUILTINS): Define _VSB_CONFIG_FILE for VXWORKS7,
11345         as well as _ALLOW_KEYWORD_MACROS when "inline" is not a keyword.
11346
11347 2017-06-26  Jerome Lambourg  <lambourg@adacore.com>
11348
11349         * config/vxworks.h (VXWORKS_OS_CPP_BUILTINS): builtin_define
11350         _VX_TOOL_FAMILY and _VX_TOOL to gnu.
11351
11352 2017-06-26  Carl Love  <cel@us.ibm.com>
11353
11354         * config/rs6000/rs6000-c.c: Add support for built-in functions
11355         vector bool char vec_reve (vector bool char);
11356         vector signed char vec_reve (vector signed char);
11357         vector unsigned char vec_reve (vector unsigned char);
11358         vector bool int vec_reve (vector bool int);
11359         vector signed int vec_reve (vector signed int);
11360         vector unsigned int vec_reve (vector unsigned int);
11361         vector bool long long vec_reve (vector bool long long);
11362         vector signed long long vec_reve (vector signed long long);
11363         vector unsigned long long vec_reve (vector unsigned long long);
11364         vector bool short vec_reve (vector bool short);
11365         vector signed short vec_reve (vector signed short);
11366         vector double vec_reve (vector double);
11367         vector float vec_reve (vector float);
11368         * config/rs6000/rs6000-builtin.def (VREVE_V2DI, VREVE_V4SI,
11369         VREVE_V8HI, VREVE_V16QI, VREVE_V2DF, VREVE_V4SF, VREVE): New builtin.
11370         * config/rs6000/altivec.md (UNSPEC_VREVEV): New UNSPEC.
11371         (altivec_vreve): New pattern.
11372         * config/rs6000/altivec.h (vec_reve): New define.
11373         * doc/extend.texi (vec_rev): Update the built-in documentation file
11374         for the new built-in functions.
11375
11376 2016-06-26  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
11377
11378         PR tree-optimization/71815
11379         * gimple-ssa-strength-reduction.c (uses_consumed_by_stmt): New
11380         function.
11381         (find_basis_for_candidate): Call uses_consumed_by_stmt rather than
11382         has_single_use.
11383         (slsr_process_phi): Likewise.
11384         (replace_uncond_cands_and_profitable_phis): Don't replace a
11385         multiply candidate with a stride of 1 (copy or cast).
11386         (phi_incr_cost): Call uses_consumed_by_stmt rather than
11387         has_single_use.
11388         (lowest_cost_path): Likewise.
11389         (total_savings): Likewise.
11390
11391 2017-06-26  Richard Biener  <rguenther@suse.de>
11392
11393         PR target/81175
11394         * config/i386/i386.c (ix86_init_mmx_sse_builtins):
11395         Use def_builtin_pure for all gather builtins.
11396
11397 2017-06-26  Richard Biener  <rguenther@suse.de>
11398
11399         PR tree-optimization/81203
11400         * tree-tailcall.c (find_tail_calls): Do not move stmts into
11401         non-dominating BBs.
11402
11403 2017-06-26  Marek Polacek  <polacek@redhat.com>
11404
11405         PR c/80116
11406         * doc/invoke.texi: Document -Wmultistatement-macros.
11407
11408 2017-06-26  Christophe Lyon  <christophe.lyon@linaro.org>
11409
11410         * doc/sourcebuild.texi (ARM-specific attributes): Document new
11411         arm_neon_ok_no_float_abi effective target.
11412
11413 2017-06-26  Richard Biener  <rguenther@suse.de>
11414
11415         PR tree-optimization/80928
11416         * cfghooks.c (duplicate_block): Do not copy BB_DUPLICATED flag.
11417         (copy_bbs): Set BB_DUPLICATED flag early.
11418         (execute_on_growing_pred): Do not execute for BB_DUPLICATED
11419         marked blocks.
11420         (execute_on_shrinking_pred): Likewise.
11421         * tree-ssa.c (ssa_redirect_edge): Do not look for PHI args in
11422         BB_DUPLICATED blocks.
11423         * tree-ssa-phionlycoprop.c (eliminate_degenerate_phis_1): Properly
11424         iterate over all PHIs considering removal of *gsi.
11425
11426 2017-06-23  Jim Wilson  <jim.wilson@linaro.org>
11427
11428         * doc/invoke.texi (AArch64 Options, -mtune): Re-add falkor and
11429         qdf24xx.
11430
11431 2017-06-23  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
11432
11433         * config/rs6000/rs6000-string.c: (expand_block_clear,
11434         do_load_for_compare, select_block_compare_mode,
11435         compute_current_alignment, expand_block_compare,
11436         expand_strncmp_align_check, expand_strn_compare,
11437         expand_block_move, rs6000_output_load_multiple)
11438         Move functions related to string/block move/compare
11439         to a separate file.
11440         * config/rs6000/rs6000.c: Move above functions to rs6000-string.c.
11441         * config/rs6000/rs6000-protos.h (rs6000_emit_dot_insn): Add prototype
11442         for this function which is now used in two files.
11443         * config/rs6000/t-rs6000: Add rule to compile rs6000-string.o.
11444         * config.gcc: Add rs6000-string.o to extra_objs for
11445         targets powerpc*-*-* and rs6000*-*-*.
11446
11447 2017-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
11448
11449         PR target/80510
11450         * config/rs6000/rs6000.md (ALTIVEC_DFORM): Do not allow DImode in
11451         32-bit, since indexed is not valid for DImode.
11452         (mov<mode>_hardfloat32): Reorder ISA 2.07 load/stores before ISA
11453         3.0 d-form load/stores to be the same as mov<mode>_hardfloat64.
11454         (define_peephole2 for Altivec d-form load): Add 32-bit support.
11455         (define_peephole2 for Altivec d-form store): Likewise.
11456
11457         PR ipa/81185
11458         * multiple_target.c (create_dispatcher_calls): Only create the
11459         dispatcher call if the function is the default clone of a
11460         versioned function.
11461
11462 2017-06-23  Segher Boessenkool  <segher@kernel.crashing.org>
11463
11464         PR middle-end/80902
11465         * builtins.c (expand_builtin_atomic_fetch_op): If emitting code after
11466         a call, force the call to not be a tail call.
11467
11468 2017-06-23  Jeff Law  <law@redhat.com>
11469
11470         * doc/contrib.texi: Add entry for Steven Pemberton's work on
11471         enquire.
11472
11473 2017-06-23  Will Schmidt  <will_schmidt@vnet.ibm.com>
11474
11475         * config/rs6000/rs6000.c: Add include of ssa-propagate.h for
11476         update_call_from_tree().  (rs6000_gimple_fold_builtin): Add
11477         handling for early expansion of vector shifts (sl,sr,sra,rl).
11478         (builtin_function_type): Add vector shift right instructions
11479         to the unsigned argument list.
11480
11481 2017-06-23  Bernd Edlinger  <bernd.edlinger@hotmail.de>
11482
11483         rtl-optimizatoin/79286
11484         * ira.c (update_equiv_regs): Revert to using may_trap_or_fault_p again.
11485         * rtlanal.c (rtx_addr_can_trap_p_1): SYMBOL_REF_FUNCTION_P can never
11486         trap.  PIC register plus a const unspec without offset can never trap.
11487
11488 2017-06-23  Marc Glisse  <marc.glisse@inria.fr>
11489
11490         * tree.h (builtin_structptr_type): New type.
11491         (builtin_structptr_types): Declare new array.
11492         * tree.c (builtin_structptr_types): New array.
11493         (free_lang_data, build_common_tree_nodes): Use it.
11494
11495 2017-06-23  Jonathan Wakely  <jwakely@redhat.com>
11496
11497         PR c++/81187
11498         * doc/invoke.texi (-Wnoexcept-type): Fix name of option, from
11499         -Wnoexcept.
11500
11501 2017-06-22  Matt Turner  <mattst88@gmail.com>
11502
11503         * config/i386/driver-i386.c (host_detect_local_cpu): Add Kaby
11504         Lake models to skylake case.  Assume skylake for unknown
11505         models with clflushopt.
11506
11507 2017-06-22  Jeff Law  <law@redhat.com>
11508
11509         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Handle
11510         frame sizes that do not satisfy aarch64_uimm12_shift.
11511
11512 2017-06-22  Jan Hubicka <hubicka@ucw.cz>
11513
11514         * profile-count.h (apply_probability,
11515         apply_scale, probability_in): Fix checks for zero.
11516
11517 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11518
11519         * incpath.c (add_sysroot_to_chain): Allow for $SYSROOT prefix.
11520         * doc/cppdiropts.texi (-I @var{dir}): Document it.
11521
11522 2016-06-22  Richard Biener  <rguenther@suse.de>
11523
11524         * tree-vect-loop.c (vect_model_reduction_cost): Handle
11525         COND_REDUCTION and INTEGER_INDUC_COND_REDUCTION without
11526         REDUC_MAX_EXPR support.
11527         (vectorizable_reduction): Likewise.
11528         (vect_create_epilog_for_reduction): Likewise.
11529
11530 2017-06-22  James Greenhalgh  <james.greenhalgh@arm.com>
11531
11532         * match.pd (A / (1 << B) -> A >> B): New.
11533         * generic-match-head.c: Include optabs-tree.h.
11534         * gimple-match-head.c: Likewise.
11535         * optabs-tree.h (target_supports_op_p): New.
11536         * optabs-tree.c (target_supports_op_p): New.
11537
11538 2017-06-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
11539
11540         * configure.ac (gcc_cv_ld_static_dynamic): Also check stderr for
11541         $gcc_cv_ld --help output.
11542         (gcc_cv_ld_demangle): Likewise.
11543         (gcc_cv_ld_eh_frame_hdr): Likewise.
11544         (gcc_cv_ld_pie): Likewise.
11545         (gcc_cv_ld_as_needed): Likewise.  Prefer native forms unless $gnu_ld.
11546         (gcc_cv_ld_buildid): Likewise.
11547         (gcc_cv_ld_sysroot): Likewise.
11548         (ld_bndplt_support): Likewise.
11549         (ld_pushpopstate_support): Likewise.
11550         * configure: Regenerate.
11551         * config/sol2.h [!USE_GLD] (SYSROOT_SPEC): Define.
11552
11553 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11554
11555         PR target/81151
11556         * config/i386/sse.md (round<mode>2): Renumber match_dup and
11557         operands indexes to avoid gap between operands and match_dups.
11558
11559 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11560
11561         * config/aarch64/aarch64-cost-tables.h (thunderx_extra_costs):
11562         Increment Arith_shift and Arith_shift_reg by 1.
11563         * config/aarch64/aarch64-tuning-flags.def (cheap_shift_extend):
11564         New tuning flag.
11565         * config/aarch64/aarch64.c (thunderx_tunings): Enable
11566         AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
11567         (aarch64_strip_extend): Add new argument and test for it.
11568         (aarch64_cheap_mult_shift_p): New function.
11569         (aarch64_rtx_mult_cost): Call aarch64_cheap_mult_shift_p and don't
11570         add a cost if it is true.
11571         Update calls to aarch64_strip_extend.
11572         (aarch64_rtx_costs): Update calls to aarch64_strip_extend.
11573
11574 2017-06-21  Andrew Pinski  <apinski@cavium.com>
11575
11576         * config/aarch64/aarch64-cores.def (thunderxt88p1): Use thunderxt88
11577         tunings.
11578         (thunderxt88): Likewise.
11579         * config/aarch64/aarch64.c (thunderxt88_prefetch_tune): New variable.
11580         (thunderx_prefetch_tune): New variable.
11581         (thunderx2t99_prefetch_tune): Update for the correct values.
11582         (thunderxt88_tunings): New variable.
11583         (thunderx_tunings): Use thunderx_prefetch_tune instead of
11584         generic_prefetch_tune.
11585         (thunderx2t99_tunings): Use AUTOPREFETCHER_WEAK.
11586
11587 2017-06-21  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
11588
11589         * config/aarch64/atomics.md (aarch64_compare_and_swap<mode>_lse,
11590         SHORT): Relax operand 3 to aarch64_reg_or_zero and constraint to Z.
11591         (aarch64_compare_and_swap<mode>_lse, GPI): Likewise.
11592         (aarch64_atomic_cas<mode>, SHORT): Likewise for operand 2.
11593         (aarch64_atomic_cas<mode>, GPI): Likewise.
11594
11595 2017-06-21  Martin Liska  <mliska@suse.cz>
11596
11597         * gimplify.c (gimplify_label_expr): Insert GIMPLE_PREDICT
11598         statements on cold and hot labels.
11599         * predict.c (tree_estimate_probability_bb): Remove the
11600         prediction from this place.
11601
11602 2017-06-21  Martin Liska  <mliska@suse.cz>
11603
11604         PR tree-optimization/79489
11605         * gimplify.c (maybe_add_early_return_predict_stmt): New
11606         function.
11607         (gimplify_return_expr): Call the function.
11608         * predict.c (tree_estimate_probability_bb): Remove handling
11609         of early return.
11610         * predict.def: Update comment about early return predictor.
11611         * gimple-predict.h (is_gimple_predict): New function.
11612         * predict.def: Change default value of early return to 66.
11613         * tree-tailcall.c (find_tail_calls): Skip GIMPLE_PREDICT
11614         statements.
11615         * passes.def: Put pass_strip_predict_hints to the beginning of
11616         IPA passes.
11617
11618 2017-06-21  Pierre-Marie de Rodat  <derodat@adacore.com>
11619
11620         * dwarf2out.c (gen_decl_die): Remove the guard to skip file-scope
11621         FUNCTION_DECL declarations.
11622         (dwarf2out_early_global_decl): Remove the guard to skip FUNCTION_DECL
11623         declarations.
11624         (dwaf2out_decl): Likewise.
11625         * godump.c (go_early_global_decl): Skip call to the real debug hook
11626         for FUNCTION_DECL declarations.
11627         * passes.c (rest_of_decl_compilation): Skip call to the
11628         early_global_decl debug hook for FUNCTION_DECL declarations, unless
11629         -fdump-go-spec is passed.
11630
11631 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11632
11633         * config/i386/i386.c (struct builtin_isa): New field pure_p.
11634         Reorder for compactness.
11635         (def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
11636         (def_builtin_pure, def_builtin_pure2): New functions.
11637         (ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.
11638
11639 2017-06-21  Marc Glisse  <marc.glisse@inria.fr>
11640
11641         * match.pd (nop_convert): New predicate.
11642         ((A +- CST1) +- CST2): Allow some NOP conversions.
11643
11644 2017-06-21  Jakub Jelinek  <jakub@redhat.com>
11645
11646         PR c++/81130
11647         * gimplify.c (omp_add_variable): Don't force GOVD_SEEN for types
11648         with ctors/dtors if GOVD_SHARED is set.
11649
11650 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11651
11652         * config/aarch64/aarch64.md (movti_aarch64):
11653         Emit mov rather than orr.
11654         (movtf_aarch64): Likewise.
11655         * config/aarch64/aarch64-simd.md (aarch64_simd_mov):
11656         Emit mov rather than orr.
11657
11658 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11659
11660         * config/aarch64/aarch64-simd.md (aarch64_simd_dup):
11661         Swap alternatives, make integer dup more expensive.
11662
11663 2017-06-21  Wilco Dijkstra  <wdijkstr@arm.com>
11664
11665         * config/aarch64/aarch64.c (aarch64_legitimate_constant_p):
11666         Return true for non-tls symbols.
11667
11668 2017-06-21  James Greenhalgh  <james.greenhalgh@arm.com>
11669
11670         * config/aarch64/aarch64-cores.def (cortex-a55): New.
11671         (cortex-a75): Likewise.
11672         (cortex-a75.cortex-a55): Likewise.
11673         * config/aarch64/aarch64-tune.md: Regenerate.
11674         * doc/invoke.texi (-mtune): Document new values for -mtune.
11675
11676 2017-06-21  Tom de Vries  <tom@codesourcery.com>
11677
11678         * doc/sourcebuild.texi (Add Options, Features for dg-add-options): Add
11679         stack_size feature.
11680         (Effective-Target Keywords, Other attributes): Suggest using
11681         dg-add-options stack_size feature to get stack limit in stack_size
11682         effective target documentation.
11683
11684 2017-06-21  Julian Brown  <julian@codesourcery.com>
11685             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
11686
11687         * config/aarch64/aarch64-simd.md (aarch64_crypto_pmulldi)
11688         (aarch64_crypto_pmullv2di): Change type attribute to crypto_pmull.
11689         * config/aarch64/thunderx2t99.md (thunderx2t99_pmull): New
11690         reservation.
11691         * config/arm/cortex-a53.md (cortex_a53_advsimd_type): Add crypto_pmull to
11692         attribute type list for neon_multiply.
11693         * config/arm/cortex-a57.md (cortex_a57_neon_type): Add crypto_pmull to
11694         attribute type list for neon_multiply.
11695         * config/arm/crypto.md (crypto_vmullp64): Change type to crypto_pmull.
11696         * config/arm/exynos-m1.md (exynos_m1_neon_type): Add crypto_pmull to
11697         attribute type list for neon_multiply.
11698         * config/arm/types.md (crypto_pmull): Add.
11699         * config/arm/xgene1.md (xgene1_neon_pmull): Add crypto_pmull to
11700         attribute type list.
11701
11702 2017-06-20  Andreas Tobler  <andreast@gcc.gnu.org>
11703
11704         * config.gcc (armv6*-*-freebsd*): Change the target_cpu_cname to
11705         arm1176jzf-s.
11706
11707 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11708
11709         * ira-costs.c (find_costs_and_classes): Initialize cost_classes later
11710         to make sure not to dereference a NULL cost_classes_ptr pointer.
11711
11712 2017-06-20  Carl Love  <cel@us.ibm.com>
11713
11714         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11715         ALTIVEC_BUILTIN_VMULESW, ALTIVEC_BUILTIN_VMULEUW,
11716         ALTIVEC_BUILTIN_VMULOSW, ALTIVEC_BUILTIN_VMULOUW entries.
11717         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin,
11718         builtin_function_type): Add ALTIVEC_BUILTIN_* case statements.
11719         * config/rs6000/altivec.md (MVULEUW, VMULESW, VMULOUW,
11720         VMULOSW): New enum "unspec" values.
11721         (vec_widen_umult_even_v4si, vec_widen_smult_even_v4si,
11722         vec_widen_umult_odd_v4si, vec_widen_smult_odd_v4si,
11723         altivec_vmuleuw, altivec_vmulesw, altivec_vmulouw,
11724         altivec_vmulosw): New patterns.
11725         * config/rs6000/rs6000-builtin.def (VMLEUW, VMULESW, VMULOUW,
11726         VMULOSW): Add definitions.
11727
11728 2017-06-20  Julia Koval  <julia.koval@intel.com>
11729
11730         * config/i386/i386.c: Fix rounding expand for new pattern.
11731         * config/i386/subst.md: Fix pattern (parallel -> unspec).
11732
11733 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11734
11735         * config/aarch64/aarch64-option-extensions.def (rcpc): New.
11736         * config/aarch64/aarch64.h (AARCH64_FL_RCPC): New.
11737
11738 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11739
11740         * config/aarch64/aarch64-option-extensions.def (fp16): Fix expected
11741         feature string.
11742
11743 2017-06-20  James Greenhalgh  <james.greenhalgh@arm.com>
11744
11745         * config/aarch64/aarch64-cores.def: Rearrange to sort by
11746         architecture, then by implementer ID.
11747         * config/aarch64/aarch64-tune.md: Regenerate.
11748
11749 2017-06-20  Richard Biener  <rguenther@suse.de>
11750
11751         PR middle-end/81097
11752         * fold-const.c (split_tree): Fold to type before negating.
11753
11754 2017-06-20  David Malcolm  <dmalcolm@redhat.com>
11755
11756         * diagnostic-show-locus.c
11757         (selftest::test_fixit_deletion_affecting_newline): New function.
11758         (selftest::diagnostic_show_locus_c_tests): Call it.
11759
11760 2017-06-20  Andreas Schwab  <schwab@suse.de>
11761
11762         PR target/80970
11763         * config/m68k/m68k.md (bsetdreg, bchgdreg, bclrdreg): Use "=d"
11764         instead of "+d".
11765
11766 2017-06-20  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
11767
11768         * config/arm/arm-c.c (arm_cpu_builtins): New block to define
11769         __ARM_FEATURE_COPROC according to support.
11770
11771 2017-06-20  Jakub Jelinek  <jakub@redhat.com>
11772
11773         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
11774         Rewritten to avoid overflow for > 32-bit pointers.
11775
11776         PR sanitizer/81125
11777         * ubsan.h (ubsan_encode_value): Workaround buggy clang++ parser
11778         by removing enum keyword.
11779         (ubsan_type_descriptor): Likewise.  Formatting fix.
11780
11781         PR target/81121
11782         * config/i386/i386.md (TARGET_USE_VECTOR_CONVERTS float si->{sf,df}
11783         splitter): Require TARGET_SSE2 in the condition.
11784
11785 2017-06-20  Michael Meissner  <meissner@linux.vnet.ibm.com>
11786
11787         PR target/79799
11788         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Add support
11789         for doing vector set of SFmode on ISA 3.0.
11790         * config/rs6000/vsx.md (vsx_set_v4sf_p9): Likewise.
11791         (vsx_set_v4sf_p9_zero): Special case setting 0.0f to a V4SF
11792         element.
11793         (vsx_insert_extract_v4sf_p9): Add an optimization for inserting a
11794         SFmode value into a V4SF variable that was extracted from another
11795         V4SF variable without converting the element to double precision
11796         and back to single precision vector format.
11797         (vsx_insert_extract_v4sf_p9_2): Likewise.
11798
11799 2017-06-19  Jakub Jelinek  <jakub@redhat.com>
11800
11801         * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Multiply
11802         in UWHI to avoid undefined overflow.
11803
11804         PR sanitizer/81125
11805         * ubsan.h (enum ubsan_encode_value_phase): New.
11806         (ubsan_encode_value): Change second argument to
11807         enum ubsan_encode_value_phase with default value of
11808         UBSAN_ENCODE_VALUE_GENERIC.
11809         * ubsan.c (ubsan_encode_value): Change second argument to
11810         enum ubsan_encode_value_phase PHASE from bool IN_EXPAND_P,
11811         adjust uses, for UBSAN_ENCODE_VALUE_GENERIC use just
11812         create_tmp_var_raw instead of create_tmp_var and use a
11813         TARGET_EXPR.
11814         (ubsan_expand_bounds_ifn, ubsan_build_overflow_builtin,
11815         instrument_bool_enum_load, ubsan_instrument_float_cast): Adjust
11816         ubsan_encode_value callers.
11817
11818         PR sanitizer/81111
11819         * ubsan.c (ubsan_encode_value): If current_function_decl is NULL,
11820         use create_tmp_var_raw instead of create_tmp_var, mark it addressable
11821         just by setting TREE_ADDRESSABLE on the result and use a TARGET_EXPR.
11822
11823 2017-06-19  Richard Biener  <rguenther@suse.de>
11824
11825         PR middle-end/81118
11826         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop): Clear niter
11827         estimates if we changed anything.
11828
11829 2017-06-19  Richard Biener  <rguenther@suse.de>
11830
11831         PR tree-optimization/80887
11832         * tree-ssa-sccvn.c (mprts_hook_cnt): New global.
11833         (vn_lookup_simplify_result): Allow only mprts_hook_cnt succesful
11834         simplified lookups, then reset mprts_hook.
11835         (vn_nary_build_or_lookup_1): Set mprts_hook_cnt to 9 before
11836         simplifying.
11837         (try_to_simplify): Likewise.
11838
11839 2017-06-19  Martin Liska  <mliska@suse.cz>
11840
11841         PR sanitizer/80879
11842         * gimplify.c (gimplify_switch_expr):
11843         Initialize live_switch_vars for SWITCH_BODY == STATEMENT_LIST.
11844
11845 2017-06-19  Martin Liska  <mliska@suse.cz>
11846
11847         * doc/install.texi: Document that PGO runs in 4 stages.
11848
11849 2017-06-19  Martin Liska  <mliska@suse.cz>
11850
11851         PR ipa/80732
11852         * attribs.c (make_dispatcher_decl): Do not append '.ifunc'
11853         to dispatcher function name.
11854         * multiple_target.c (replace_function_decl): New function.
11855         (create_dispatcher_calls): Redirect both edges and references.
11856
11857 2017-06-19  Jan Hubicka <hubicka@ucw.cz>
11858
11859         * profile-count.c (profile_count::dump): Dump quality.
11860         (profile_count::differs_from_p): Update for unsigned val.
11861         * profile-count.h (profile_count_quality): New enum.
11862         (profile_count): Turn m_val to 62bit unsigned, add quality tracking.
11863
11864 2017-06-19  Richard Biener  <rguenther@suse.de>
11865
11866         * tree-ssa-loop-niter.h (estimate_numbers_of_iterations): Take
11867         struct function as arg.
11868         (estimate_numbers_of_iterations): Export overload with loop arg.
11869         (free_numbers_of_iterations_estimates_loop): Use an overload of
11870         free_numbers_of_iterations_estimates instead.
11871         * tree-cfg.c (remove_bb): Adjust.
11872         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Likewise.
11873         * tree-parloops.c (gen_parallel_loop): Likewise.
11874         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
11875         Likewise.
11876         (tree_unroll_loops_completely): Likewise.
11877         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
11878         Use an overload instead and export.
11879         (estimated_loop_iterations): Adjust.
11880         (max_loop_iterations): Likewise.
11881         (likely_max_loop_iterations): Likewise.
11882         (estimate_numbers_of_iterations): Take struct function as arg
11883         and adjust.
11884         (loop_exits_before_overflow): Adjust.
11885         (free_numbers_of_iterations_estimates_loop): Use an overload.
11886         * tree-vect-loop.c (vect_analyze_loop_form): Adjust.
11887         * tree-vectorizer.c (vect_free_loop_info_assumptions): Likewise.
11888
11889 2017-06-19  Richard Biener  <rguenther@suse.de>
11890
11891         PR ipa/81112
11892         * ipa-prop.c (find_constructor_constant_at_offset): Handle
11893         RANGE_EXPR conservatively.
11894
11895 2017-06-16  Carl Love  <cel@us.ibm.com>
11896
11897         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
11898         definitions for vec_float, vec_float2, vec_floato,
11899         vec_floate built-ins.
11900         * config/rs6000/vsx.md (define_c_enum "unspec"): Add RTL code
11901         for instructions vsx_xvcvsxws vsx_xvcvuxwsp, float2, floato and
11902         floate.
11903         * config/rs6000/rs6000-builtin.def (FLOAT2_V2DI, FLOATE_V2DF,
11904         FLOATE_2DI, FLOATO_V2DF, FLOATEE_V2DI, XVCVSXWSP_V4SF,
11905         UNS_FLOATO_V2DI, UNS_FLOATE_V2DI): Add definitions.
11906         * config/altivec.md (define_insn "p8_vmrgew_<mode>",
11907         define_mode_attr VF_sxddp): Add V4SF type to p8_vmrgew.
11908         * config/rs6000/altivec.h (vec_float, vec_float2, vec_floate,
11909         vec_floato): Add builtin defines.
11910         * doc/extend.texi (vec_float, vec_float2, vec_floate, vec_floato):
11911         Update the built-in documentation file for the new built-in
11912         functions.
11913
11914 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11915
11916         * config/arm/arm.opt (marm): Mark as the negative of of -mthumb.
11917         (mthumb): Mark as the negative of -marm.
11918
11919 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11920
11921         * doc/invoke.texi (ARM Options, -mcpu): Document supported
11922         extension options.
11923         (ARM Options, -mtune): Document that this accepts the same
11924         extension options as -mcpu.
11925         (ARM Options, -mfpu): Document addition of -mfpu=auto.
11926
11927 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11928
11929         * doc/invoke.texi (ARM Options, -march=): Document new syntax and
11930         permitted extensions.
11931
11932 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11933
11934         * config/arm/arm-cpus.in (armv7): Add extension +nofp.
11935         (armv7-r): Add aliases vfpv3xd and vfpv3-d16.
11936         (armv8-m.main): Add option +nodsp.
11937         * config/arm/arm-cpu-cdata.h: Regenerated.
11938
11939 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11940
11941         * config/arm/t-fuchsia: New file.
11942         * config.gcc (arm*-*-fuchsia*): Use it.
11943
11944 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11945
11946         * config/arm/t-symbian: Rewrite for new option infrastructure.
11947
11948 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11949
11950         * config/arm/t-phoenix (MULTILIB_REUSE): Clear variable.
11951         (MULTILIB_REQUIRED): Likewise.
11952
11953 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11954
11955         * config/arm/t-linux-eabi (MULTILIB_EXCEPTIONS): Set to empty.
11956         (MULTILIB_RESUE): Likewise.
11957         (MULTILIB_MATCHES): Likewise.
11958         (MULTLIB_REQUIRED): Likewise.
11959
11960 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11961
11962         * config/arm/t-rtems: Rewrite for new option framework.
11963
11964 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11965
11966         * config/arm/t-aprofile (v7_a_nosimd_variants, v7_a_simd_variants)
11967         (v7ve_nosimd_variatns, v7ve_vfpv3_simd_variants)
11968         (v7ve_vfpv4_simd_variants, v8_a_nosimd_variants, v8_a_simd_variants)
11969         (v8_1_a_simd_variants, v8_2_a_simd_variants): Move to ...
11970         * config/arm/t-multilib: ... here.
11971         (MULTILIB_OPTIONS): Add armv7 and armv7+fp architectures.
11972         (MULTILIB_MATCHES): Use armv7 libraries for armv7-r.  Also use for
11973         armv7-a and armv8*-a when A-profile libraries have not been built.
11974         * config/arm/t-rmprofile: Rewrite.
11975
11976 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11977
11978         * genmultilib (multilib_reuse): Allow an explicit period to be escaped
11979         with a backslash.  Remove the backslash after substituting unescaped
11980         periods.
11981         * doc/fragments.texi (MULTILIB_REUSE): Document it.
11982
11983 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11984
11985         * config.gcc: (arm*-*-*): When building a-profile libraries, force
11986         the driver to pass through the default setting of -mfloat-abi.
11987         * common/config/arm/arm-common.c (arm_target_thumb_only): Return -marm
11988         rather than NULL.
11989         * config/arm/t-multilib (MULTILIB_REUSE): Initialize to empty.
11990         (all_feat_combs): New rule.
11991         (MULTILIB_OPTIONS): Use explicit ARM and Thumb directories.  Rework
11992         default libraries.
11993         * config/arm/t-aprofile: Rewrite.
11994
11995 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
11996
11997         * config/arm/arm.h (FPUTYPE_AUTO): Define.
11998         * config/arm/arm.c (arm_option_override): Use FPUTYPE_AUTO if the
11999         fpu is not specified by the user/command-line.
12000         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Delete.
12001         * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Delete.
12002         * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Delete.
12003         * config/arm/vxworks.h (FPUTYPE_DEFAULT): Delete.
12004         * common/config/arm/arm-common.c (arm_canon_arch_option): Use
12005         FPUTYPE_AUTO insted of FPUTYPE_DEFAULT.
12006
12007 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12008
12009         * config/arm/elf.h (MULTILIB_DEFAULTS): Delete.
12010         * config/arm/t-arm-elf: Rewritten.
12011
12012 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12013
12014         * config/arm/arm.h (TARGET_HARD_FLOAT): Also check that we
12015         have some floating-point instructions.
12016         (TARGET_SOFT_FLOAT): Define as inverse of TARGET_HARD_FLOAT.
12017         (TARGET_MAYBE_HARD_FLOAT): New macro.
12018         * config/arm/arm-builtins.c (arm_init_builtins): Use
12019         TARGET_MAYBE_HARD_FLOAT.
12020         * config/arm/arm.c (arm_option_override): Use TARGET_HARD_FLOAT_ABI.
12021
12022 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12023
12024         * common/config/arm/arm-common.c: Define INCLUDE_LIST.
12025         (configargs.h): Include it.
12026         (arm_print_hint_for_fpu_option): New function.
12027         (arm_parse_fpu_option): New function.
12028         (candidate_extension): New class.
12029         (arm_canon_for_multilib): New function.
12030         * config/arm/arm.h (CANON_ARCH_SPEC_FUNCTION): New macro.
12031         (EXTRA_SPEC_FUNCTIONS): Add CANON_ARCH_SPEC_FUNCTION.
12032         (ARCH_CANONICAL_SPECS): New macro.
12033         (DRIVER_SELF_SPECS): Add ARCH_CANONICAL_SPECS.
12034
12035 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12036
12037         * config.gcc (arm*-*-*): Ensure both target_cpu_cname and with_cpu
12038         are set after handling multilib fragments.  Set target_cpu_default2
12039         from with_cpu.
12040
12041 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12042
12043         * config.gcc (arm*-*-fucshia*): Set target_cpu_cname to the real
12044         cpu name.
12045         (arm*-*-*): Set target_cpu_default2 to a quoted string.
12046         * config/arm/parsecpu.awk (check_cpu): Validate any extension
12047         options.
12048         (check_arch): Likewise.
12049         * config/arm/arm.c (arm_configure_build_target): Handle
12050         TARGET_CPU_DEFAULT being a string constant.  Scan any feature
12051         options in the default.
12052
12053 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12054
12055         * config/arm/arm-protos.h (cpu_arch_extension): Add field to record
12056         when an option is an alias of another.
12057         * config/arm/parsecpu.awk (optalias): New parser token.
12058         (gen_comm_data): Mark non-alias options as such.  Emit entries
12059         for extension aliases.
12060         * config/arm/arm-cpus.in (armv5e): Make vfpv2 an alias.
12061         (armv5te, armv5tej, armv6, armv6j, armv6k, armv6z): Likewise.
12062         (armv6kz, armv6zk, armv6t2): Likewise.
12063         (armv7): Make vfpv3-d16 an alias.
12064         (armv7-a): Make vfpv3-d16, neon and neon-vfpv3 aliases.  Sort in
12065         canonical order.
12066         (armv7ve): Make vfpv4-d16, neon-vfpv3 and neon-vfpv4 aliases.
12067         Sort in canonical order.
12068         (armv8-a): Sort in canonical order.
12069         (armv8.1-a, armv8.2-a):  Likewise.
12070         (generic-armv7-a): Make neon and neon-vfpv3 aliases.  Sort in
12071         canonical order.
12072         (cortex-a9): Sort in canonical order.
12073         * config/arm/arm.c (selftests.h): Include it.
12074         (arm_test_cpu_arch_data): New function.
12075         (arm_run_self_tests): New function.
12076         (TARGET_RUN_TARGET_SELFTESTS): Redefine.
12077         (targetm): Move declaration to the end of the file.
12078         * arm-cpu-cdata.h: Regenerated.
12079
12080 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12081
12082         * config/arm/arm.h (TARGET_MODE_SPECS): Add additional parameter to
12083         call to target_mode_check describing the type of option passed.
12084         * common/config/arm/arm-common.c (arm_arch_core_flag): Delete.
12085         (arm_target_thumb_only): Use arm_parse_arch_option_name or
12086         arm_parse_cpu_option_name to match parameters against list of
12087         available targets.
12088         * config/arm/parsecpu.awk (gen_comm_data): Don't generate
12089         arm_arch_core_flags data structure.
12090         * config/arm/arm-cpu_cdata.h: Regenerated.
12091
12092 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12093
12094         * common/config/arm/arm-common.c (arm_initialize_isa): Moved here from
12095         config/arm/arm.c.
12096         (arm_print_hint_for_cpu_option): Likewise.
12097         (arm_print_hint_for_arch_option): Likewise.
12098         (arm_parse_cpu_option_name): Likewise.
12099         (arm_parse_arch_option_name): Likewise.
12100         * config/arm/arm.c (arm_identify_fpu_from_isa): Use the computed number
12101         of entries in the all_fpus list.
12102         * config/arm/arm-protos.h (all_architectures, all_cores): Declare.
12103         (arm_parse_cpu_option_name): Declare.
12104         (arm_parse_arch_option_name): Declare.
12105         (arm_parse_option_features): Declare.
12106         (arm_intialize_isa): Declare.
12107         * config/arm/parsecpu.awk (gen_data): Move CPU and architecture
12108         data tables to ...
12109         (gen_comm_data): ... here.  Make definitions non-static.
12110         * config/arm/arm-cpu-data.h: Regenerated.
12111         * config/arm/arm-cpu-cdata.h: Regenerated.
12112
12113 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12114
12115         * config/arm/arm-protos.h (arm_build_target): Remove arch_core.
12116         (cpu_arch_extension): New structure.
12117         (cpu_arch_option, arch_option, cpu_option): New structures.
12118         * config/arm/parsecpu.awk (gen_headers): Build an enumeration of
12119         architecture types.
12120         (gen_data): Generate new format data tables.
12121         * config/arm/arm.c (cpu_tune): New structure.
12122         (cpu_option, processors): Delete.
12123         (arm_print_hint_for_core_or_arch): Delete.  Replace with ...
12124         (arm_print_hint_for_cpu_option): ... this and ...
12125         (arm_print_hint_for_arch_option): ... this.
12126         (arm_parse_arch_cpu_name): Delete.  Replace with ...
12127         (arm_parse_cpu_option_name): ... this and ...
12128         (arm_parse_arch_option_name): ... this.
12129         (arm_unrecognized_feature): Change type of target parameter to
12130         cpu_arch_option.
12131         (arm_parse_arch_cpu_features): Delete.  Replace with ...
12132         (arm_parse_option_features): ... this.
12133         (arm_configure_build_target): Rework to use new configuration data
12134         tables.
12135         (arm_print_tune_info): Rework for new configuration data tables.
12136         * config/arm/arm-cpu-data.h: Regenerated.
12137         * config/arm/arm-cpu.h: Regenerated.
12138
12139 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12140
12141         * Makefile.in (OBJS): Move sbitmap.o from here ...
12142         (OBJS-libcommon): ... to here.
12143
12144 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12145
12146         * config/arm/arm-isa.h (ISA_ALL_FPU_INTERNAL): Renamed from ISA_ALL_FPU.
12147         (ISA_ALL_CRYPTO): New macro.
12148         (ISA_ALL_SIMD): New macro
12149         (ISA_ALL_FP): New macro.
12150         * config/arm/arm.c (fpu_bitlist): Update initializer.
12151         * config/arm/arm-cpus.in: Use new ISA_ALL macros to disable crypto,
12152         simd or fp.
12153         (arm9e): Add fpu.  Add option for nofp
12154         (arm946e-s, arm966e-s, arm968e-s, arm10e, arm1020e, arm1022e): Likewise.
12155         (arm926ej-s, arm1026ej-s): Likewise.
12156         (generic-armv7-a): Add fpu.  Add options for simd, vfpv3, vfpv3-d16,
12157         vfpv3-fp16, vfpv3-d16-fp16, vfpv4, vfpv4-d16, neon, neon-vfp3,
12158         neon-fp16, neon-vfpv4, nofp and nosimd.
12159         (cortex-a5, cortex-a7): Add fpu.  Add options for nosimd and nofp.
12160         (cortex-a8): Add fpu.  Add option for nofp.
12161         (cortex-a9): Add fpu.  Add options for nosimd and nofp.
12162         (cortex-a12, cortex-a15, cortex-a17): Add fpu.  Add option for nofp.
12163         (cortex-r4f): Add fpu.
12164         (cortex-r5): Add fpu.  Add options for nofp.dp and nofp.
12165         (cortex-r7): Use idiv option from architecture.  Add fpu.  Add option
12166         for nofp.
12167         (cortex-r8): Likewise.
12168         (cortex-m4): Add fpu.  Add option for nofp.
12169         (cortex-a15.cortex-a7): Add fpu.  Add option for nofp.
12170         (cortex-a17.cortex-a7): Likewise.
12171         (cortex-a32): Add fpu.  Add options for crypto and nofp.
12172         (cortex-a35, cortex-a53): Likewise.
12173         (cortex-a57): Add fpu.  Add option for crypto.
12174         (cortex-a72, cortex-a73): Likewise.
12175         (exynos-m1): Likewise.
12176         (cortex-a57.cortex-a53, cortex-a72.cortex-a53): Likewise.
12177         (cortex-a73.cortex-a35, cortex-a73.cortex-a53): Likewise.
12178         (cortex-m33): Add fpu.  Add option for nofp.
12179         * config/arm/arm-cpu-cdata.h: Regenerated
12180         * config/arm/arm-cpu-data.h: Regenerated.
12181
12182 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12183
12184         * arm-cpus.in (armv5e): Add options fp, vfpv2 and nofp.
12185         (armv5te, armv5tej): Likewise.
12186         (armv6, armv6j, armv6k, armv6z, armv6kz, armv6zk, armv6t2): Likewise.
12187         (armv7): Add options fp and vfpv3-d16.
12188         (armv7-a): Add options fp, simd, vfpv3, vfpv3-d16, vfpv3-d16-fp16,
12189         vfpv3-fp16, vfpv4, vfpv4-d16, neon, neon-vfpv3, neon-fp16, neon-vfpv4,
12190         nofp and nosimd.
12191         (armv7ve): Likewise.
12192         (armv7-r): Add options fp, fp.sp, idiv, nofp and noidiv.
12193         (armv7e-m): Add options fp, fpv5, fp.dp and nofp.
12194         (armv8-a): Add nocrypto option.
12195         (armv8.1-a, armv8.2-a): Likewise.
12196         (armv8-m.main): add options fp, fp.dp and nofp.
12197
12198 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12199
12200         * config/arm/arm-cpus.in (armv8-a): Add options crc, simd crypto and
12201         nofp.
12202         (armv8-a+crc): Delete.
12203         (armv8.1-a): Add options simd, crypto and nofp.
12204         (armv8.2-a): Add options fp16, simd, crypto and nofp.
12205         (armv8.2-a+fp16): Delete.
12206         (armv8-m.main): Add option dsp.
12207         (armv8-m.main+dsp): Delete.
12208         (cortex-a8): Add fpu.  Add nofp option.
12209         (cortex-a9): Add fpu.  Add nofp and nosimd options.
12210         * config/arm/parsecpu.awk (gen_data): Generate option tables and
12211         link to main cpu and architecture data structures.
12212         (gen_comm_data): Only put isa attributes from the main architecture
12213         in common tables.
12214         (option): New statement for architecture and CPU entries.
12215         * arm.c (struct cpu_option): New structure.
12216         (struct processors): Add entry for options.
12217         (arm_unrecognized_feature): New function.
12218         (arm_parse_arch_cpu_name): Ignore any characters after the first
12219         '+' character.
12220         (arm_parse_arch_cpu_feature): New function.
12221         (arm_configure_build_target): Separate out any CPU and architecture
12222         features and parse separately.  Don't error out if -mfpu=auto is
12223         used with only an architecture string.
12224         (arm_print_asm_arch_directives): New function.
12225         (arm_file_start): Call it.
12226         * config/arm/arm-cpu-cdata.h: Regenerated.
12227         * config/arm/arm-cpu-data.h: Likewise.
12228         * config/arm/arm-tables.opt: Likewise.
12229
12230 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12231
12232         * config/arm/elf.h (ASM_SPEC): Only pass -mfpu through to the
12233         assembler when it is not -mfpu=auto.
12234
12235 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12236
12237         * config/arm/arm.h (BIG_LITTLE_SPEC): Delete macro.
12238         (ASM_REWRITE_SPEC_FUNCTIONS): New macro.
12239         (BIG_LITTLE_CPU_SPEC_FUNCTIONS): Delete macro.
12240         (ASM_CPU_SPEC): Rewrite.
12241         (MCPU_MTUNE_NATIVE_FUNCTIONS): New macro.
12242         (EXTRA_SPEC_FUNCTIONS): Move outside of ifdef.  Use
12243         MCPU_MTUNE_NATIVE_FUNCTIONS and ASM_REWRITE_SPEC_FUNCTIONS.  Remove
12244         reference to BIG_LITTLE_CPU_SPEC_FUNCTIONS.
12245         * common/config/arm/arm-common.c (arm_rewrite_selected_cpu): Ensure
12246         copied string is NUL-terminated.  Also strip any characters prefixed
12247         by '+'.
12248         (arm_rewrite_selected_arch): New function.
12249         (arm_rewrite_march): New function.
12250
12251 2017-06-16  Richard Earnshaw  <rearnsha@arm.com>
12252
12253         * config/arm/arm.opt (x_arm_arch_string): New TargetSave option.
12254         (x_arm_cpu_string, x_arm_tune_string): Likewise.
12255         (march, mcpu, mtune): Convert to string-based options.
12256         * config/arm/arm.c (arm_print_hint_for_core_or_arch): New function.
12257         (arm_parse_arch_cpu_name): New function.
12258         (arm_configure_build_target): Use arm_parse_arch_cpu_name to
12259         identify selected architecture or CPU.
12260         (arm_option_save): New function.
12261         (TARGET_OPTION_SAVE): Redefine.
12262         (arm_option_restore): Restore string options.
12263         (arm_option_print): Print string options.
12264
12265 2017-06-16  Martin Sebor  <msebor@redhat.com>
12266
12267         PR tree-optimization/80933
12268         PR tree-optimization/80934
12269         * builtins.c (fold_builtin_3): Do not handle bcmp here.
12270         * gimple-fold.c (gimple_fold_builtin_bcmp): New function.
12271         (gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
12272         (gimple_fold_builtin): Call them.
12273
12274 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12275
12276         * gimple-ssa-isolate-paths.c (isolate_path): Set edge leading to path
12277         as unlikely; update profile.
12278
12279 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12280
12281         * predict.c (force_edge_cold): Handle declaring edges impossible
12282         more aggresively.
12283
12284 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12285
12286         * tree-ssa-loop-ivcanon.c (remove_exits_and_undefined_stmts): Update
12287         profile.
12288         (try_unroll_loop_completely): Fix reporting.
12289
12290 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12291
12292         * tree-ssa-tail-merge.c (replace_block_by): Fix profile updating.
12293
12294 2017-06-16  James Greenhalgh  <james.greenhalgh@arm.com>
12295
12296         PR target/71778
12297         * config/arm/arm-builtins.c (arm_expand_builtin_args): Return TARGET
12298         if given a non-constant argument for an intrinsic which requires a
12299         constant.
12300
12301 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12302
12303         * profile.c (compare_freqs): New function.
12304         (branch_prob): Sort edge list.
12305         (find_spanning_tree): Assume that the list is priority sorted.
12306
12307 2017-06-16  Richard Biener  <rguenther@suse.de>
12308
12309         PR tree-optimization/81090
12310         * passes.def (pass_record_bounds): Remove.
12311         * tree-pass.h (make_pass_record_bounds): Likewise.
12312         * tree-ssa-loop.c (pass_data_record_bounds, pass_record_bounds,
12313         make_pass_record_bounds): Likewise.
12314         * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): Do
12315         not free niter estimates at the beginning but at the end.
12316         * tree-scalar-evolution.c (scev_finalize): Free niter estimates.
12317
12318 2017-06-16  Richard Biener  <rguenther@suse.de>
12319
12320         * tree-switch-conversion.c (emit_case_bit_tests): Adjust
12321         initializer to workaround ICE in host GCC 4.8.
12322
12323 2017-06-16  Jan Hubicka  <hubicka@ucw.cz>
12324
12325         * ipa-inline-transform.c (update_noncloned_frequencies): Update also
12326         counts.
12327         (clone_inlined_nodes): Update.
12328
12329 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12330
12331         * config/aarch64/aarch64.c (qdf24xx_prefetch_tune): Update
12332         prefetch settings, and enable prefetching by default at -O3.
12333
12334 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12335
12336         * config/aarch64/aarch64.c (aarch64_override_options_internal):
12337         Set flag_prefetch_loop_arrays according to tuning data.
12338
12339 2017-06-16  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
12340
12341         * config/aarch64/aarch64-protos.h (struct cpu_prefetch_tune):
12342         New tune structure.
12343         (struct tune_params): Use cpu_prefetch_tune instead of cache_line_size.
12344         [Unrelated to main purpose of the patch] Place the pointer field last
12345         to enable type checking errors when tune structure are wrongly merged.
12346         * config/aarch64/aarch64.c (generic_prefetch_tune,)
12347         (exynosm1_prefetch_tune, qdf24xx_prefetch_tune,)
12348         (thunderx2t99_prefetch_tune): New tune constants.
12349         (tune_params *_tunings): Update all tunings (no functional change).
12350         (aarch64_override_options_internal): Set PARAM_SIMULTANEOUS_PREFETCHES,
12351         PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE, and PARAM_L2_CACHE_SIZE
12352         from tunings structures.
12353
12354 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
12355
12356         PR sanitizer/81094
12357         * ubsan.c (instrument_null): Add T argument, use it instead
12358         of computing it based on IS_LHS.
12359         (instrument_object_size): Likewise.
12360         (pass_ubsan::execute): Adjust instrument_null and
12361         instrument_object_size callers to pass gimple_get_lhs or
12362         gimple_assign_rhs1 result to it.  Use instrument_null instead of
12363         calling get_base_address and instrument_mem_ref.  Handle
12364         aggregate call arguments for object-size sanitization.
12365
12366 2017-06-16  Yury Gribov  <tetra2005@gmail.com>
12367
12368         PR tree-optimization/81089
12369         * tree-vrp.c (is_masked_range_test): Validate operands of
12370         subexpression.
12371
12372 2017-06-15  Martin Sebor  <msebor@redhat.com>
12373
12374         PR c++/80560
12375         * dumpfile.c (dump_register): Avoid calling memset to initialize
12376         a class with a default ctor.
12377         * gcc.c (struct compiler): Remove const qualification.
12378         * genattrtab.c (gen_insn_reserv): Replace memset with initialization.
12379         * hash-table.h: Ditto.
12380         * ipa-cp.c (allocate_and_init_ipcp_value): Replace memset with
12381           assignment.
12382         * ipa-prop.c (ipa_free_edge_args_substructures): Ditto.
12383         * omp-low.c (lower_omp_ordered_clauses): Replace memset with
12384         default ctor.
12385         * params.h (struct param_info): Make struct members non-const.
12386         * tree-switch-conversion.c (emit_case_bit_tests): Replace memset
12387         with default initialization.
12388         * vec.h (vec_copy_construct, vec_default_construct): New helper
12389         functions.
12390         (vec<T>::copy, vec<T>::splice, vec<T>::reserve): Replace memcpy
12391         with vec_copy_construct.
12392         (vect<T>::quick_grow_cleared): Replace memset with default ctor.
12393         (vect<T>::vec_safe_grow_cleared, vec_safe_grow_cleared): Same.
12394         * doc/invoke.texi (-Wclass-memaccess): Document.
12395
12396 2017-06-15  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12397
12398         * emit-rtl.h (is_leaf): Update comment about local
12399         register allocator.
12400
12401 2017-06-15  Jozef Lawrynowicz   <jozef.l@somniumtech.com>
12402
12403         PR target/78818
12404         * config/msp430/msp430.c (msp430_data_attr): Check that it's possible
12405         for a variable to have a section before checking if the section has a
12406         name.
12407         Set section to.persistent if persistent attribute is set.
12408         Warn if .persistent attribute is used on an automatic variable.
12409
12410 2017-06-15  Eric Botcazou  <ebotcazou@adacore.com>
12411
12412         PR rtl-optimization/80474
12413         * reorg.c (update_block): Do not ignore instructions in a delay slot.
12414
12415 2017-06-15  Segher Boessenkool  <segher@kernel.crashing.org>
12416
12417         * config/rs6000/rs6000.md (add<mode>3): Use reg_or_subregno instead
12418         of REGNO.
12419
12420 2017-06-14  Maciej W. Rozycki  <macro@imgtec.com>
12421
12422         * config/mips/mips.md (MIPS16_T_REGNUM): Remove constant.
12423         (casesi): Emit bounds checking as RTL.
12424         (casesi_internal_mips16_<mode>): Remove bounds checking.
12425
12426 2017-06-14  Max Filippov  <jcmvbkbc@gmail.com>
12427
12428         * config/xtensa/xtensa.c (xtensa_option_override): Append
12429         MASK_CONST16 to target_flags in the absence of TARGET_L32R.
12430         (hwloop_optimize, hwloop_fail, hwloop_pattern_reg,
12431          xtensa_doloop_hooks): Define unconditionally.
12432         (xtensa_reorg_loops): Only call reorg_loops in the presence of
12433         TARGET_LOOPS.
12434         * config/xtensa/xtensa.h (TARGET_L32R): New definition.
12435         (TARGET_DEFAULT): Remove XCHAL_HAVE_L32R condition and account
12436         for it in xtensa_option_override.
12437         (HARD_FRAME_POINTER_IS_FRAME_POINTER,
12438          HARD_FRAME_POINTER_IS_ARG_POINTER): New definitions.
12439
12440 2017-06-14  Boris Kolpackov  <boris@codesynthesis.com>
12441
12442         * doc/cppopts.texi: Document '-' special value to -MF.
12443
12444 2017-06-14  Wilco Dijkstra  <wdijkstr@arm.com>
12445
12446         * config/arm/cortex-a53.md (cortex_a53_fpalu) Adjust latency.
12447         (cortex_a53_fconst): Likewise.
12448         (cortex_a53_fpmul): Likewise.
12449         (cortex_a53_f_load_64): Likewise.
12450         (cortex_a53_f_load_many): Likewise.
12451         (cortex_a53_advsimd_alu): Likewise.
12452         (cortex_a53_advsimd_alu_q): Likewise.
12453         (cortex_a53_advsimd_mul): Likewise.
12454         (cortex_a53_advsimd_mul_q): Likewise.
12455         (fpmac bypass): Add new bypass for fpmac-fpmac case.
12456         Add missing fmul, r2f_cvt and fconst cases.
12457
12458 2017-06-14  Richard Biener  <rguenther@suse.de>
12459
12460         PR middle-end/81088
12461         * fold-const.c (split_tree): Drop TREE_OVERFLOW flag from
12462         literal constants.
12463         (fold_binary_loc): When associating do not treat pre-existing
12464         TREE_OVERFLOW on literal constants as a reason to allow
12465         TREE_OVERFLOW on associated literal constants.
12466
12467 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12468
12469         * config/sparc/sparc.h (MASK_ISA): Add MASK_LEON and MASK_LEON3.
12470         (MASK_FEATURES): New macro.
12471         * config/sparc/sparc.c (sparc_option_override): Remove the special
12472         handling of -mfpu and generalize it to all MASK_FEATURES switches.
12473
12474 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12475
12476         * simplify-rtx.c (simplify_binary_operation_1) <UDIV>: Do not simplify
12477         a division of 0 if non-call exceptions are enabled.
12478
12479 2017-06-14  Andrew Pinski  <apinski@cavium.com>
12480             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
12481
12482         PR target/71663
12483         * config/aarch64/aarch64.c (aarch64_expand_vector_init):
12484         Improve vector initialization code gen for only variable case.
12485
12486 2017-06-14  Eric Botcazou  <ebotcazou@adacore.com>
12487
12488         * config/sparc/driver-sparc.c (cpu_names): Add SPARC-T5 entry.
12489
12490 2017-06-14  Richard Biener  <rguenther@suse.de>
12491
12492         PR tree-optimization/81083
12493         * tree-ssa-sccvn.c (vn_reference_lookup_3): Do not use abnormals
12494         as values.
12495
12496 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12497
12498         * config/rs6000/rs6000.c: Update all comments that mentioned SPE.
12499         (rs6000_expand_builtin): Remove RS6000_BTC_EVSEL.
12500         * config/rs6000/rs6000.h (RS6000_BTC_EVSEL): Delete.
12501         * config/rs6000/vxworks.h (VXCPU_FOR_8548): Delete.  Adjust former use.
12502         * config/rs6000/vxworksae.h (VXCPU_FOR_8548): Delete.
12503         * config/rs6000/vxworksmils.h (VXCPU_FOR_8548): Delete.
12504
12505 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12506
12507         * config/rs6000/rs6000-opts.h (enum rs6000_vector): Delete VECTOR_SPE.
12508         * config/rs6000/rs6000.c (rs6000_debug_vector_unit): Delete VECTOR_SPE.
12509
12510 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12511
12512         * config/rs6000/rs6000.h (FIXED_SCRATCH): Delete.
12513
12514 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12515
12516         * config/rs6000/t-rtems: Don't handle SPE.
12517
12518 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12519
12520         * config/rs6000/t-linux: Don't handle SPE.
12521
12522 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12523
12524         * config/rs6000/eabispe.h: Delete file.
12525
12526 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12527
12528         * config/rs6000/t-spe: Delete file.
12529
12530 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12531
12532         * config/rs6000/rs6000.c (SPE_CONST_OFFSET_OK): Delete.
12533         (rs6000_legitimate_offset_address_p): Return false for anything in
12534         V2SImode or V2SFmode.
12535
12536 2017-06-13  Segher Boessenkool  <segher@kernel.crashing.org>
12537
12538         * config/rs6000/rs6000-modes.def: Remove all 8-byte vector modes
12539         except V2SF and V2SI.  Rearrange the vector modes, and add comments.
12540         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Remove V8QImode
12541         and V4HImode.
12542         (reg_offset_addressing_ok_p): Remove V4HImode and V1DImode.
12543         (rs6000_legitimate_offset_address_p): Ditto.
12544         (rs6000_emit_move): Ditto.
12545         (rs6000_init_builtins): Remove V4HI_type_node.
12546
12547 2017-06-13  Martin Liska  <mliska@suse.cz>
12548
12549         PR sanitize/78204
12550         * asan.c (asan_sanitize_stack_p): Use sanitize_flags_p.
12551         (gate_asan): Likewise.
12552         * asan.h (asan_no_sanitize_address_p): Remove the function.
12553         (sanitize_flags_p): New function.
12554         * builtins.def: Fix coding style.
12555         * common.opt: Use renamed enum value.
12556         * convert.c (convert_to_integer_1): Use sanitize_flags_p.
12557         * doc/extend.texi: Document no_sanitize attribute.
12558         * flag-types.h (enum sanitize_code): Rename SANITIZE_NONDEFAULT
12559         to SANITIZE_UNDEFINED_NONDEFAULT.
12560         * gcc.c (sanitize_spec_function): Use the renamed enum value.
12561         * gimple-fold.c (optimize_atomic_compare_exchange_p):
12562         Use sanitize_flags_p.
12563         * gimplify.c (gimplify_function_tree): Likewise.
12564         * ipa-inline.c (sanitize_attrs_match_for_inline_p): Likewise.
12565         * opts.c (parse_no_sanitize_attribute): New function.
12566         (common_handle_option): Use renamed enum value.
12567         * opts.h (parse_no_sanitize_attribute): Declare.
12568         * tree.c (sanitize_flags_p): New function.
12569         * tree.h: Declared here.
12570         * tsan.c: Use sanitize_flags_p.
12571         * ubsan.c (ubsan_expand_null_ifn): Likewise.
12572         (instrument_mem_ref): Likewise.
12573         (instrument_bool_enum_load): Likewise.
12574         (do_ubsan_in_current_function): Remove the function.
12575         (pass_ubsan::execute): Use sanitize_flags_p.
12576         * ubsan.h: Remove do_ubsan_in_current_function
12577         * tree-cfg.c (print_no_sanitize_attr_value): New function.
12578         (dump_function_to_file): Use it here.
12579
12580 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12581
12582         PR tree-optimization/80803
12583         PR tree-optimization/81063
12584         * tree-sra.c (subtree_mark_written_and_enqueue): Move up in the file.
12585         (propagate_subaccesses_across_link): Enqueue subtree whenever
12586         necessary instead of relying on the caller.
12587
12588 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12589
12590         * tree-sra.c (add_access_to_work_queue): Only enqueue accesses
12591         that have a first_link.
12592         (sort_and_splice_var_accesses): Do not check first_link before
12593         enquing.
12594         (subtree_mark_written_and_enqueue): Likewise.
12595         (propagate_all_subaccesses): Likewise and do not stop at first
12596         parent with a first_link.
12597
12598 2017-06-13  Martin Jambor  <mjambor@suse.cz>
12599
12600         * tree-sra.c (dump_access_tree_1): Fix accidental dumping to stderr
12601         instead of f.
12602
12603 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12604
12605         * match.pd: New pattern.
12606
12607 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12608
12609         * tree-vrp.c (is_masked_range_test): New function.
12610         (register_edge_assert_for): Determine ranges for
12611         some bit tests.
12612
12613 2017-06-13  Yury Gribov  <tetra2005@gmail.com>
12614
12615         PR tree-optimization/67328
12616         * fold-const.c (maskable_range_p): New function.
12617         (build_range_check): Generate bittests if possible.
12618
12619 2017-06-13  Martin Liska  <mliska@suse.cz>
12620
12621         * gimple-pretty-print.c (dump_probability): Add new argument.
12622         (dump_edge_probability): Dump both probability and count.
12623         (dump_gimple_label): Likewise.
12624         (dump_gimple_bb_header): Likewise.
12625
12626 2017-06-13  Georg-Johann Lay  <avr@gjlay.de>
12627
12628         PR target/81072
12629         * config/avr/avr-devices.c: Fix indentation.
12630         * config/avr/gen-avr-mmcu-specs.c: Dito.
12631
12632 2017-06-13  Richard Biener  <rguenther@suse.de>
12633
12634         * tree-vect-loop.c (vect_model_reduction_cost): Do not fail,
12635         instead get vector type from stmt_info.
12636         (vectorizable_reduction): Adjust.  Remove dead code.
12637
12638 2017-06-13  Richard Biener  <rguenther@suse.de>
12639
12640         PR middle-end/81065
12641         * fold-const.c (extract_muldiv_1): Remove bogus distribution
12642         case of C * (x * C2 + C3).
12643         (fold_addr_of_array_ref_difference): Properly fold index difference.
12644
12645 2017-06-12  David S. Miller  <davem@davemloft.net>
12646
12647         PR target/80968
12648         * config/sparc/sparc.md (return expander): Emit frame blockage if
12649         function uses alloca.
12650
12651 2017-06-12  Richard Sandiford  <richard.sandiford@linaro.org>
12652
12653         * combine.c (make_field_assignment): Check len rather than the mode
12654         precision when calling force_to_mode.
12655
12656 2017-06-12  Georg-Johann Lay  <avr@gjlay.de>
12657
12658         Support multilibs and devices that see flash in RAM address range.
12659
12660         PR target/81072
12661         * config/avr/avr-arch.h (avr_arch_id) <ARCH_AVRXMEGA3>: New enum.
12662         (avr_mcu_t) <flash_pm_offset>: New field.
12663         (avr_device_specific_features) <AVR_ISA_RCALL>: New enum.
12664         * config/avr/avr.h (AVR_SHORT_CALLS): New define.
12665         (AVR_HAVE_JMP_CALL): Don't set if AVR_SHORT_CALLS.
12666         (AVR_TINY_PM_OFFSET): Remove macro.
12667         * config/avr/avr.opt (-mshort-calls): New option.
12668         * config/avr/gen-avr-mmcu-specs.c (print_mcu)
12669         [*self_spec]: Add / remove -mshort-calls depending on AVR_ISA_RCALL.
12670         * config/avr/avr-c.c (avr_cpu_cpp_builtins)
12671         <__AVR_SHORT_CALLS__>: Built-in define if AVR_SHORT_CALLS.
12672         <__AVR_HAVE_JMP_CALL__>: Use AVR_HAVE_JMP_CALL as condition
12673         instead of avr_arch->have_jmp_call.
12674         <__AVR_PM_BASE_ADDRESS__>: Built-in define if avr_arch->flash_pm_offset.
12675         [AVR_TINY] <__AVR_TINY_PM_BASE_ADDRESS__>: Use
12676         avr_arch->flash_pm_offset to define.
12677         * config/avr/avr-devices.c (avr_arch_types): Add initializers for
12678         new field flash_pm_offset.  Add entry for avrxmega3.
12679         (avr_texinfo): Add entry for avrxmega3.
12680         * config/avr/avr-mcus.def: Add entries for: avrxmega3,
12681         attiny212, attiny214,
12682         attiny412, attiny414, attiny416, attiny417,
12683         attiny814, attiny816, attiny817,
12684         attiny1614, attiny1616, attiny1617,
12685         attiny3214, attiny3216, attiny3217.
12686         * config/avr/avr.c (avr_assemble_integer)[AVR_TINY]: Use
12687         avr_arch->flash_pm_offset instead of AVR_TINY_PM_OFFSET.
12688         (avr_print_operand_address) [AVR_TINY]: Same.
12689         (avr_asm_init_sections) <readonly_data_section>: Only patch
12690         callback if avr_arch->flash_pm_offset = 0.
12691         (avr_asm_named_section) <avr_need_copy_data_p>: Skip setting it
12692         for rodata if avr_arch->flash_pm_offset != 0.
12693         (avr_encode_section_info) [AVR_TINY]: Adjust comment.
12694         * config/avr/genmultilib.awk (dir_rcall, opt_rcall): New vars.
12695         (opts) [AVR_ISA_RCALL]: Append opt_rcall.
12696         (m_options): Append opt_rcall.
12697         (m_dirnames): Append dir_rcall.
12698         * config/avr/t-multilib: Regenerate.
12699
12700         * configure.ac [target=avr]: Check whether avrxmega3 default
12701         linker description file works as needed.
12702         * configure: Regenerate.
12703         * doc/avr-mmcu.texi: Regenerate.
12704         * doc/invoke.texi (AVR Options) <-mshort-calls>: Document it.
12705         <__AVR_ARCH__>: Document avrxmega3 and 103.
12706         <__AVR_HAVE_JMP_CALL__>: Adjust documentation.
12707         <__AVR_SHORT_CALLS__>: Document it.
12708         <__AVR_PM_BASE_ADDRESS__>: Document it.
12709         * doc/extend.texi (AVR Options) <-mshort-calls>: Document it.
12710         (AVR Variable Attributes) <progmem>: Document this is
12711         not needed for avrxmega3.
12712         (AVR Named Address Spaces) <__flash>: Dito.
12713
12714 2017-06-12  Jan Hubicka  <hubicka@ucw.cz>
12715
12716         * cgraph.c (cgraph_node::dump): Complain about profile insanities.
12717
12718 2017-06-12  Doug Rupp  <rupp@adacore.com>
12719
12720         * config.gcc (*-*-vxworks*): Set use_gcc_stdint to "provide".
12721         Append vxworks-stdint.h to the tm_file list.
12722         * config/vxworks-stdint.h: New file.
12723
12724 2017-06-12  Martin Liska  <mliska@suse.cz>
12725
12726         PR tree-optimization/81041
12727         * tree-profile.c (gimple_gen_ic_func_profiler):
12728         Create an extra BB in profile-generate
12729         (gimple_gen_time_profiler): Likewise.
12730
12731 2017-06-12  Jakub Jelinek  <jakub@redhat.com>
12732
12733         PR tree-optimization/81003
12734         * tree-ssa-reassoc.c (force_into_ssa_name): New function.
12735         (update_range_test): Use it instead of force_gimple_operand_gsi.
12736
12737 2017-06-12  Richard Biener  <rguenther@suse.de>
12738
12739         PR tree-optimization/81053
12740         * tree-vect-loop.c (vect_is_simple_reduction): Handle PHI
12741         with backedge value not defined in loop.  Simplify def stmt
12742         compute.
12743
12744 2017-06-11  Tom de Vries  <tom@codesourcery.com>
12745
12746         PR target/79939
12747         * config/nvptx/nvptx.c (nvptx_cannot_force_const_mem): New function.
12748         Return true.
12749         (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
12750         nvptx_cannot_force_const_mem.
12751
12752 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12753
12754         * opts.c (finish_options): Move test for flag_split_stack after
12755         it has been initialized.
12756
12757 2017-06-11  Jason Merrill  <jason@redhat.com>
12758
12759         * tree.h (id_equal): New.
12760         * dwarf2out.c, hsa-gen.c, ipa-devirt.c, omp-expand.c,
12761         omp-simd-clone.c, read-rtl-function.c, tree-chkp.c, tree.c: Use it
12762         instead of strcmp of IDENTIFIER_POINTER.
12763
12764 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12765
12766         * ipa-inline-transform.c: Include function.h, cfg.h and basic-block.h
12767         (mark_all_inlined_calls_cdtor): Fix formating.
12768         (inline_transform): Rescale profile before inlining.
12769
12770 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12771
12772         * cgraph.h (cgraph_edge::clone): Update prototype.
12773         * cgraphclones.c (cgraph_edge::clone): Update profile scaling.
12774         (cgraph_node::create_clone): Update.
12775         (cgraph_node::create_version_clone): Update.
12776         * tree-inline.c (copy_bb): Update.
12777         (expand_call_inline): Update.
12778
12779 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12780
12781         * config/rs6000/rs6000.c (emit_vrsave_prologue): New function,
12782         factored out from ...
12783         (rs6000_emit_prologue): ... here.
12784
12785 2017-06-10  Segher Boessenkool  <segher@kernel.crashing.org>
12786
12787         * config/rs6000/rs6000.c (emit_split_stack_prologue): New function,
12788         factored out from ...
12789         (rs6000_emit_prologue): ... here.
12790
12791 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12792
12793         * predict.c (drop_profile): Also drop individual bb/edge and cgraph
12794         edge counts.
12795         (handle_missing_profiles): Fix computation of tp_first_run.
12796         (counts_to_freqs): Do not touch freqs when count is 0.
12797
12798 2017-06-10  Jan Hubicka  <hubicka@ucw.cz>
12799
12800         * cgraphbuild.c (cgraph_edge::rebuild_references): Do not touch
12801         profile.
12802
12803 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12804
12805         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
12806         attributes): Document signal effective target.
12807
12808 2017-06-10  Tom de Vries  <tom@codesourcery.com>
12809
12810         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
12811         Document effective target stack_size.
12812
12813 2017-06-09  David Malcolm  <dmalcolm@redhat.com>
12814
12815         * diagnostic.c (diagnostic_report_diagnostic): Only add fixits
12816         to the edit_context if they can be auto-applied.
12817
12818 2017-06-9  Ian Lance Taylor  <iant@golang.org>
12819
12820         * opts.c (finish_options): If -fsplit-stack, disable implicit
12821         -forder-blocks-and-partition.
12822         * doc/invoke.texi (Optimize Options): Document that when using
12823         -fsplit-stack -forder-blocks-and-partition is not implicitly
12824         enabled.
12825
12826 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12827
12828         * builtin-attrs.def (ATTR_NORETURN_NOTHROW_LEAF_COLD_LIST,
12829         ATTR_CONST_NORETURN_NOTHROW_LEAF_COLD_LIST,
12830         ATTR_TMPURE_NORETURN_NOTHROW_LEAF_COLD_LIST): New.
12831         * builtins.def (abort, trap, unreachable): Declare cold.
12832         * calls.c (flags_from_decl_or_type): Lookup ECF_COLD.
12833         * tree-core.h (ECF_COLD): New.
12834         * tree.c (set_call_expr_flags): Handle ECF_COLD.
12835         (build_common_builtin_nodes): Mark unreachable and abort as cold.
12836
12837 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12838
12839         * predict.c (unlikely_executed_stmt_p): Cleanup.
12840
12841 2017-06-09  Richard Biener  <rguenther@suse.de>
12842
12843         * tree-ssa-loop-im.c (execute_sm): Do not force multi-threaded
12844         model if the ref is always written to.
12845
12846 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12847
12848         * config/aarch64/aarch64.md (lrint<GPF:mode><GPI:mode>2): New.
12849
12850 2017-06-09  Tamar Christina  <tamar.christina@arm.com>
12851
12852         * config/arm/arm.c (arm_rtx_costs_internal): Make sdiv more expensive
12853         than udiv.
12854
12855 2017-06-09  Tom de Vries  <tom@codesourcery.com>
12856
12857         PR target/80855
12858         * config/nvptx/nvptx.md (define_expand "mov<QHSDISDFM>"): Error out with
12859         "target cannot support label values" when encountering LABEL_REF.
12860
12861 2017-06-09  Martin Liska  <mliska@suse.cz>
12862
12863         * tree-profile.c (gimple_gen_ic_profiler): Update comment.
12864         (gimple_gen_ic_func_profiler): Emit direct comparison
12865         of __gcov_indirect_call_callee with NULL.
12866         (gimple_gen_time_profiler): Change probability from
12867         PROB_VERY_UNLIKELY to PROB_UNLIKELY.
12868
12869 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12870
12871         * profile.c (edge_gcov_counts): Turn to pointer.
12872         (compute_branch_probabilities, compute_branch_probabilities): Update.
12873         (branch_prob): Do not clear edge_gcov_count.
12874         * profile.h (edge_gcov_counts): Turn to pointer.
12875         (edge_gcov_count): Update.
12876
12877 2017-06-09  Jan Hubicka  <hubicka@ucw.cz>
12878
12879         * gimple.h (gimple_check_failed): Mark cold.
12880
12881 2017-06-09  Richard Biener  <rguenther@suse.de>
12882
12883         PR tree-optimization/66623
12884         * tree-vect-loop.c (vect_is_simple_reduction): Cleanup,
12885         refactor check_reduction into two parts, properly computing
12886         whether we have to check reduction validity for outer loop
12887         vectorization.
12888
12889 2017-06-09  Richard Biener  <rguenther@suse.de>
12890
12891         PR tree-optimization/79483
12892         * graphite-scop-detection.c (order): New global.
12893         (get_order): Compute bb to order mapping that satisfies code
12894         generation constraints.
12895         (cmp_pbbs): New helper.
12896         (build_scops): Start domwalk at entry block, sort generated
12897         pbbs.
12898
12899 2017-06-09  Richard Biener  <rguenther@suse.de>
12900
12901         PR middle-end/81007
12902         * ipa-polymorphic-call.c
12903         (ipa_polymorphic_call_context::restrict_to_inner_class):
12904         Skip FIELD_DECLs with error_mark_node type.
12905         * passes.def (all_lowering_passes): Run pass_build_cgraph_edges
12906         last again.
12907
12908 2017-06-09  Martin Liska  <mliska@suse.cz>
12909
12910         * predict.c (struct branch_predictor): New struct.
12911         (test_prediction_value_range): New test.
12912         (predict_c_tests): New function.
12913         * selftest-run-tests.c (selftest::run_tests): Run the function.
12914         * selftest.h: Declare new tests.
12915
12916 2017-06-09  Segher Boessenkool  <segher@kernel.crashing.org>
12917
12918         PR target/80966
12919         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Assert that
12920         gen_add3_insn did not fail.
12921         * config/rs6000/rs6000.md (add<mode>3): If asked to add a constant to
12922         r0, construct that number in a temporary reg and add that reg to r0.
12923         If asked to put the result in r0 as well, fail.
12924
12925 2017-06-08  Will Schmidt  <will_schmidt@vnet.ibm.com>
12926
12927         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
12928         for early expansion of vec_eqv.
12929
12930 2017-06-08  Jakub Jelinek  <jakub@redhat.com>
12931
12932         PR middle-end/81005
12933         * ubsan.c (instrument_null): Avoid pointless code temporary.
12934         (pass_ubsan::execute): Instrument aggregate arguments of calls.
12935
12936 2017-06-08  Uros Bizjak  <ubizjak@gmail.com>
12937
12938         PR target/81015
12939         Revert:
12940         2016-12-14  Uros Bizjak  <ubizjak@gmail.com>
12941
12942         PR target/59874
12943         * config/i386/i386.md (*ctzhi2): New insn_and_split pattern.
12944         (*clzhi2): Ditto.
12945
12946 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12947
12948         * predict.c (unlikely_executed_edge_p): Move ahead.
12949         (probably_never_executed_edge_p): Use it.
12950
12951 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
12952
12953         PR middle-end/79988
12954         * tree-chkp.c (chkp_gimple_call_builtin_p): Remove
12955         gimple_call_builtin_p call.
12956
12957 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12958
12959         * system.h (fancy_abort): Annotate by ATTRIBUTE_COLD.
12960         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
12961         rtl_check_failed_type2, rtl_check_failed_code1,
12962         rtl_check_failed_code2, rtl_check_failed_code_mode,
12963         rtl_check_failed_block_symbol, cwi_check_failed_bounds,
12964         rtvec_check_failed_bounds, rtl_check_failed_flag,
12965         _fatal_insn_not_found, _fatal_insn): Likewise.
12966         * tree.h (tree_contains_struct_check_failed,
12967         tree_check_failed, tree_not_check_failed,
12968         tree_class_check_failed, tree_range_check_failed,
12969         tree_not_class_check_failed, tree_int_cst_elt_check_failed,
12970         tree_vec_elt_check_failed, phi_node_elt_check_failed,
12971         tree_operand_check_failed, omp_clause_check_failed,
12972         omp_clause_operand_check_failed, omp_clause_range_check_failed):
12973         Likewise.
12974
12975 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12976
12977         * cgraph.c (cgraph_edge::maybe_hot_p): Do not check
12978         flag_branch_probabilities.
12979         * ipa-inline.c (edge_badness): Likewise.
12980         * ipa-profile.c (ipa_propagate_frequency_1): Likewise.
12981         * postreload-gcse.c (eliminate_partially_redundant_load): Likewise.
12982         * predict.c (maybe_hot_frequency_p): Likewise.
12983         (probably_never_executed): Likewise.
12984         * sched-ebb.c (schedule_ebbs): Likewise.
12985         * sched-rgn.c (find_single_block_region): Likewise.
12986         * tracer.c (tail_duplicate): Likewise.
12987
12988 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12989
12990         * opts.c (finish_options): x_flag_reorder_blocks_and_partition no
12991         longer requires x_flag_profile_use.
12992
12993 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
12994
12995         * cfgrtl.c (cfg_layout_initialize): Check crtl->has_bb_partition
12996         instead of flag_reorder_blocks_and_partition.
12997         * dbxout.c (dbxout_function_end): Likewise.
12998         * dwarf2out.c (gen_subprogram_die): Likewise.
12999         * haifa-sched.c (sched_create_recovery_edges): Likewise.
13000         * hw-doloop.c (reorg_loops): Likewise.
13001         * varasm.c (assemble_start_function,
13002         assemble_end_function): Likewise.
13003         (decide_function_section): Do not check for
13004         flag_reorder_blocks_and_partition.
13005
13006 2017-06-08  Alexander Ivchenko  <alexander.ivchenko@intel.com>
13007
13008         * tree-chkp.c (chkp_get_hard_register_var_fake_base_address):
13009         New function.
13010         (chkp_get_hard_register_fake_addr_expr): Ditto.
13011         (chkp_build_addr_expr): Add check for hard reg case.
13012         (chkp_parse_array_and_component_ref): Ditto.
13013         (chkp_find_bounds_1): Ditto.
13014         (chkp_process_stmt): Don't generate bounds store for
13015         hard reg case.
13016
13017 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13018
13019         * predict.c (maybe_hot_bb_p): Do not check profile status.
13020         (maybe_hot_edge_p): Likewise.
13021         (probably_never_executed): Check for zero counts even if profile
13022         is not read.
13023         (unlikely_executed_edge_p): New function.
13024         (unlikely_executed_stmt_p): New function.
13025         (unlikely_executed_bb_p): New function.
13026         (set_even_probabilities): Use unlikely predicates.
13027         (combine_predictions_for_bb): Likewise.
13028         (predict_paths_for_bb): Likewise.
13029         (predict_paths_leading_to_edge): Likewise.
13030         (determine_unlikely_bbs): New function.
13031         (estimate_bb_frequencies): Use it.
13032         (compute_function_frequency): Use zero counts even if profile is
13033         not read.
13034         * profile-count.h: Fix typo.
13035
13036 2017-08-08  Julia Koval  <julia.koval@intel.com>
13037
13038         * config/i386/avx512bwintrin.h (_mm512_mask_cvtepi16_storeu_epi8,
13039         _mm512_mask_cvtsepi16_storeu_epi8,
13040         _mm512_mask_cvtusepi16_storeu_epi8): New intrinsics.
13041         * config/i386/avx512vlbwintrin.h (_mm256_mask_cvtepi16_storeu_epi8,
13042         _mm_mask_cvtsepi16_storeu_epi8, _mm256_mask_cvtsepi16_storeu_epi8,
13043         _mm_mask_cvtusepi16_storeu_epi8, _mm256_mask_cvtusepi16_storeu_epi8,
13044         _mm_mask_cvtepi16_storeu_epi8): New intrinsics.
13045         * config/i386/i386-builtin-types.def (PV8Q, V8QI): New pointer type.
13046         (VOID_FTYPE_PV32QI_V32HI_USI, VOID_FTYPE_PV8QI_V8HI_UQI,
13047         VOID_FTYPE_PV16QI_V16HI_UHI): New function types.
13048         * config/i386/i386-builtin.def (__builtin_ia32_pmovwb128mem_mask,
13049         __builtin_ia32_pmovwb256mem_mask, __builtin_ia32_pmovswb128mem_mask,
13050         __builtin_ia32_pmovswb256mem_mask, __builtin_ia32_pmovuswb128mem_mask,
13051         __builtin_ia32_pmovuswb256mem_mask,
13052         __builtin_ia32_pmovuswb512mem_mask, __builtin_ia32_pmovswb512mem_mask)
13053         __builtin_ia32_pmovwb512mem_mask): New builtins.
13054
13055 2017-08-08  Julia Koval  <julia.koval@intel.com>
13056
13057         PR target/73350,80862
13058         * config/i386/subst.md (round): Fix round pattern.
13059         * config/i386/i386.c (ix86_erase_embedded_rounding):
13060         Fix erasing rounding for the fixed pattern.
13061
13062 2017-06-08  Jan Hubicka  <hubicka@ucw.cz>
13063
13064         * cfgbuild.c (find_many_sub_basic_blocks): Fix thinko.
13065
13066 2017-06-08  Martin Liska  <mliska@suse.cz>
13067
13068         PR gcov-profile/80911
13069         * gcov.c (block_info::block_info): New constructor.
13070
13071 2017-06-07  Carl Love  <cel@us.ibm.com>
13072
13073         * config/rs6000/rs6000-c: The return type of the following
13074         built-in functions was implemented as int not long long.  Fix sign
13075         of return value for the unsigned version of vec_mulo and vec_mule.
13076         vector unsigned long long vec_bperm (vector unsigned long long,
13077                                              vector unsigned char)
13078         vector signed long long vec_mule (vector signed int,
13079                                           vector signed int)
13080         vector unsigned long long vec_mule (vector unsigned int,
13081                                             vector unsigned int)
13082         vector signed long long vec_mulo (vector signed int,
13083                                           vector signed int)
13084         vector unsigned long long vec_mulo (vector unsigned int,
13085                                             vector unsigned int)
13086         * doc/extend.texi: Fix the documentation for the built-in
13087         functions.
13088
13089 2017-06-07  Carl Love  <cel@us.ibm.com>
13090
13091         PR target/80982
13092         * config/rs6000/altivec.md (double<mode>2): Fix the implementation of
13093         for BE.
13094
13095 2017-06-07  Carl Love  <cel@us.ibm.com>
13096
13097         * config/rs6000/altivec.md: Fix argument swizzle in vec_doublel
13098         support, Generate       doublehv for signed int/float for BE case only.
13099
13100 2017-06-07  Alexander Monakov  <amonakov@ispras.ru>
13101
13102         * doc/invoke.texi (mcx16): Rewrite.
13103
13104 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13105
13106         * config/rs6000/predicates.md (rs6000_nonimmediate_operand): Delete.
13107         * config/rs6000/rs6000.md (*movsi_internal1, movsi_from_sf,
13108         *mov<mode>_softfloat, and an anonymous splitter): Use
13109         nonimmediate_operand instead of rs6000_nonimmediate_operand.
13110
13111 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13112
13113         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE_ACC and
13114         SPEFSCR registers.
13115         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13116         (enum rs6000_reg_type): Delete SPE_ACC_TYPE and SPEFSCR_REG_TYPE.
13117         (rs6000_debug_reg_global): Adjust.
13118         (rs6000_init_hard_regno_mode_ok): Adjust.
13119         (rs6000_dbx_register_number): Adjust.
13120         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change to 115.
13121         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13122         Remove SPE_ACC and SPEFSCR.
13123         (REG_ALLOC_ORDER): Ditto.
13124         (FRAME_POINTER_REGNUM): Change to 111.
13125         (enum reg_class): Remove the SPE_ACC and SPEFSCR registers.
13126         (REG_CLASS_NAMES): Ditto.
13127         (REG_CLASS_CONTENTS): Delete the SPE_ACC and SPEFSCR registers.
13128         (REGISTER_NAMES): Ditto.
13129         (ADDITIONAL_REG_NAMES): Ditto.
13130         (rs6000_reg_names): Ditto.
13131         * config/rs6000/rs6000.md: Renumber some register number
13132         define_constants.
13133
13134 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13135
13136         * config/rs6000/darwin.h (REGISTER_NAMES): Delete the SPE high
13137         registers.
13138         * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Ditto.
13139         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Change from 149
13140         to 117.
13141         (DWARF_REG_TO_UNWIND_COLUMN): Do not define.
13142         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
13143         Delete the SPE high registers.
13144         (REG_ALLOC_ORDER): Ditto.
13145         (enum reg_class): Remove SPE_HIGH_REGS.
13146         (REG_CLASS_NAMES): Ditto.
13147         (REG_CLASS_CONTENTS): Delete the SPE high registers.
13148         (REGISTER_NAMES): Ditto.
13149         (rs6000_reg_names): Ditto.
13150         * doc/tm.texi.in: Remove SPE as example.
13151         * doc/tm.texi: Regenerate.
13152
13153 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13154
13155         * config/rs6000/8540.md (ppc8540_brinc): Delete.
13156         * config/rs6000/e500mc.md (e500mc_brinc): Delete.
13157         * config/rs6000/e500mc64.md (e500mc64_brinc): Delete.
13158         * config/rs6000/rs6000.md (type): Remove "brinc".
13159
13160 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13161
13162         * config.gcc (powerpc*-*-*): Don't add spe.h to extra_headers.
13163         (powerpc*-linux*spe*): Use ${cpu_type} instead of rs6000.
13164         * config/rs6000/linuxspe.h: Delete file.
13165         * config/rs6000/rs6000.md: Don't include spe.md.
13166         * config/rs6000/spe.h: Delete file.
13167         * config/rs6000/spe.md: Delete file.
13168         * config/rs6000/t-rs6000: Remove spe.md.
13169
13170 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13171
13172         * config/rs6000/predicates.md (reg_or_mem_operand): Reformat.
13173         (reg_or_none500mem_operand): Delete.
13174         * config/rs6000/rs6000.md (extendsfdf2): Use reg_or_mem_operand
13175         instead of reg_or_none500mem_operand.
13176
13177 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13178
13179         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
13180         handling of SPE flags.
13181         * config/rs6000/rs6000.opt (-mspe, -mspe=no, -mspe=yes): Delete.
13182
13183 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13184
13185         * config/rs6000/rs6000-common.c (rs6000_handle_option): Remove
13186         SPE ABI handling.
13187         * config/rs6000/paired.md (paired_negv2sf2): Rename to negv2sf2.
13188         (paired_absv2sf2, paired_addv2sf3, paired_subv2sf3, paired_mulv2sf3,
13189         paired_divv2sf3): Similar.
13190         * config/rs6000/predicates.md: Replace TARGET_SPE, TARGET_SPE_ABI,
13191         SPE_VECTOR_MODE and SPE_HIGH_REGNO_P by 0; simplify.
13192         * config/rs6000/rs6000-builtin.def: Delete RS6000_BUILTIN_E and
13193         RS6000_BUILTIN_S.
13194         Delete BU_SPE_1, BU_SPE_2, BU_SPE_3, BU_SPE_E, BU_SPE_P, and BU_SPE_X.
13195         Rename the paired_* instruction patterns.
13196         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Do not
13197         define __SPE__.
13198         * config/rs6000/rs6000-protos.h (invalid_e500_subreg): Delete.
13199         * config/rs6000/rs6000.c: Delete RS6000_BUILTIN_E and RS6000_BUILTIN_S.
13200         (struct rs6000_stack): Delete fields spe_gp_save_offset, spe_gp_size,
13201         spe_padding_size, and spe_64bit_regs_used.  Replace TARGET_SPE and
13202         TARGET_SPE_ABI with 0, simplify.  Replace SPE_VECTOR_MODE with
13203         PAIRED_VECTOR_MODE.
13204         (struct machine_function): Delete field spe_insn_chain_scanned_p.
13205         (spe_func_has_64bit_regs_p): Delete.
13206         (spe_expand_predicate_builtin): Delete.
13207         (spe_expand_evsel_builtin): Delete.
13208         (TARGET_DWARF_REGISTER_SPAN): Do not define.
13209         (TARGET_MEMBER_TYPE_FORCES_BLK): Do not define.
13210         (invalid_e500_subreg): Delete.
13211         (rs6000_legitimize_address): Always force_reg op2 as well, for
13212         paired single memory accesses.
13213         (rs6000_member_type_forces_blk): Delete.
13214         (rs6000_spe_function_arg): Delete.
13215         (rs6000_expand_unop_builtin): Delete SPE handling.
13216         (rs6000_expand_binop_builtin): Ditto.
13217         (spe_expand_stv_builtin): Delete.
13218         (bdesc_2arg_spe): Delete.
13219         (spe_expand_builtin): Delete.
13220         (spe_expand_predicate_builtin): Delete.
13221         (spe_expand_evsel_builtin): Delete.
13222         (rs6000_invalid_builtin): Remove RS6000_BTM_SPE handling.
13223         (spe_init_builtins): Delete.
13224         (spe_func_has_64bit_regs_p): Delete.
13225         (savres_routine_name): Delete "info" parameter.  Adjust callers.
13226         (rs6000_emit_stack_reset): Ditto.
13227         (rs6000_dwarf_register_span): Delete.
13228         * config/rs6000/rs6000.h (TARGET_SPE_ABI, TARGET_SPE,
13229         UNITS_PER_SPE_WORD, SPE_HIGH_REGNO_P, SPE_SIMD_REGNO_P,
13230         SPE_VECTOR_MODE, RS6000_BTM_SPE, RS6000_BUILTIN_E, RS6000_BUILTIN_S):
13231         Delete.
13232         * config/rs6000/rs6000.md (FIRST_SPE_HIGH_REGNO, LAST_SPE_HIGH_REGNO):
13233         Delete.
13234         * config/rs6000/rs6000.opt (-mabi=spe, -mabi=no-spe): Delete.
13235         * config/rs6000/spe.md: Delete every pattern that uses TARGET_SPE.
13236         * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3,
13237         mulv2sf3, divv2sf3): Delete expanders.
13238
13239 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13240
13241         config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Delete.
13242
13243 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13244
13245         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit): Delete.
13246         * config/rs6000/rs6000.c: Ditto.
13247
13248 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13249
13250         * config/rs6000/predicated.md (rs6000_cbranch_operator): Delete.
13251         * config/rs6000/rs6000.md: Replace rs6000_cbranch_operator by
13252         comparison_operator.
13253
13254 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13255
13256         * config/rs6000/rs6000.c: Remove everything related to -mfloat-gprs.
13257         * config/rs6000/rs6000.opt: Ditto.
13258         * config/rs6000/t-rtems: Ditto.
13259
13260 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13261
13262         * config/rs6000/predicates.md: Replace TARGET_E500_DOUBLE and
13263         TARGET_E500_SINGLE by 0, simplify.
13264         * config/rs6000/rs6000.c: Ditto.
13265         (rs6000_option_override_internal): Delete CHECK_E500_OPTIONS.
13266         (spe_build_register_parallel): Delete.
13267         * config/rs6000/rs6000.h: Delete TARGET_E500_SINGLE,
13268         TARGET_E500_DOUBLE, and CHECK_E500_OPTIONS.
13269         * config/rs6000/rs6000.md: Replace TARGET_E500_DOUBLE,
13270         TARGET_E500_SINGLE, and <E500_CONVERT> by 0, simplify.
13271         (E500_CONVERT): Delete.
13272         * config/rs6000/spe.md: Remove many patterns and all define_constants.
13273
13274 2017-06-07  Segher Boessenkool  <segher@kernel.crashing.org>
13275
13276         * config/rs6000/darwin.md: Replace TARGET_FPRS by 1 and simplify.
13277         * config/rs6000/dfp.md: Ditto.
13278         (negdd2, *negdd2_fpr): Merge.
13279         (absdd2, *absdd2_fpr): Merge.
13280         (negtd2, *negtd2_fpr): Merge.
13281         (abstd2, *abstd2_fpr): Merge.
13282         * config/rs6000/e500.h: Delete file.
13283         * config/rs6000/predicates.md (rs6000_cbranch_operator): Replace
13284         TARGET_FPRS by 1 and simplify.
13285         * config/rs6000/rs6000-c.c: Ditto.
13286         * config/rs6000/rs6000.c: Ditto.  Also replace TARGET_SF_SPE and
13287         TARGET_DF_SPE by 0.
13288         * config/rs6000/rs6000.h: Ditto.  Delete TARGET_SF_SPE and
13289         TARGET_DF_SPE.
13290         * config/rs6000/rs6000.md: Ditto.
13291         (floatdidf2, *floatdidf2_fpr): Merge.
13292         (move_from_CR_gt_bit): Delete.
13293         * config/rs6000/spe.md: Replace TARGET_FPRS by 1 and simplify.
13294         (E500_CR_IOR_COMPARE): Delete.
13295         (All patterns that require !TARGET_FPRS): Delete.
13296         * config/rs6000/vsx.md: Replace TARGET_FPRS by 1 and simplify.
13297
13298 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13299
13300         * passes.def (pass_iv_canon): Move before pass_loop_distribution.
13301
13302 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13303
13304         * graphds.c (add_edge): Intitialize edge's attached data.
13305         (foll_in_subgraph, dfs_fst_edge, dfs_next_edge): New function
13306         pointer parameter.  Call pointed function on each edge during
13307         graph traversing.  Skip traversing the edge when the function
13308         returns true.
13309         (graphds_dfs, graphds_scc): Ditto.
13310         (for_each_edge): New parameter.  Pass the new parameter to callback
13311         function.
13312         * graphds.h (skip_edge_callback): New function pointer type.
13313         (graphds_dfs, graphds_scc): New function pointer parameter.
13314         (graphds_edge_callback, for_each_edge): New parameter.
13315
13316 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13317
13318         * tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Factor
13319         out code checking if runtime alias check is possible to below ...
13320         Call the new function.
13321         * tree-data-ref.c (runtime_alias_check_p): ... to new function.
13322         * tree-data-ref.h (runtime_alias_check_p): New decalaration.
13323
13324 2017-06-07  Marek Polacek  <polacek@redhat.com>
13325
13326         PR sanitizer/80932
13327         * fold-const.c (extract_muldiv_1) <case MINUS_EXPR>: Add
13328         TYPE_OVERFLOW_WRAPS check.
13329
13330 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13331
13332         * tree-vect-loop-manip.c (vect_do_peeling): Don't skip vector loop
13333         if versioning is required.
13334         * tree-vect-loop.c (vect_analyze_loop_2): Merge niter check for loop
13335         peeling with the check for versioning.
13336
13337 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13338
13339         * tree-vectorizer.h (vect_build_loop_niters): New parameter.
13340         * tree-vect-loop-manip.c (vect_build_loop_niters): New parameter.
13341         Set true to new parameter if new ssa variable is defined.
13342         (vect_gen_vector_loop_niters): Refactor.  Set range information
13343         for the new vector loop bound variable.
13344         (vect_do_peeling): Ditto.
13345
13346 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13347
13348         * tree-affine.c (ssa.h): Include header file.
13349         (tree_to_aff_combination): Handle (T1)(X - CST) when inner type
13350         has wrapping overflow behavior.
13351
13352 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13353
13354         * tree-affine.c (tree_to_aff_combination): Handle (T1)(X + X).
13355
13356 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13357
13358         (aff_combination_expand): Move (T1)(X *+- CST) simplification to ...
13359         (tree_to_aff_combination): ... here.
13360
13361 2017-06-07  Bin Cheng  <bin.cheng@arm.com>
13362
13363         * tree-ssa-loop-ivopts.c (ivopts_estimate_reg_pressure): New
13364         reg_pressure model function.
13365         (ivopts_global_cost_for_size): Delete.
13366         (determine_set_costs, iv_ca_recount_cost): Call new model function
13367         ivopts_estimate_reg_pressure.
13368
13369 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13370
13371         * config/aarch64/aarch64.c (aarch64_rtx_costs): Make sdiv more
13372         expensive than udiv.  Remove floating point cases from mod.
13373
13374 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13375
13376         * config/arm/aarch-cost-tables.h (cortexa53_extra_cost):
13377         Increase idiv cost.
13378
13379 2017-06-07  Tamar Christina  <tamar.christina@arm.com>
13380
13381         * config/aarch64/aarch64.md
13382         (copysignsf3): Fix mask generation.
13383
13384 2017-06-07  Jakub Jelinek  <jakub@redhat.com>
13385
13386         * dumpfile.h (enum tree_dump_index): Rename TDI_generic to
13387         TDI_gimple.
13388         (class dump_manager): Add register_dumps method.
13389         * dumpfile.c: Include langhooks.h.
13390         (dump_files): Use 0 instead of 3/4/5 for TDI_{original,gimple,nested}.
13391         (FIRST_AUTO_NUMBERED_DUMP): Decrease to 1.
13392         (FIRST_ME_AUTO_NUMBERED_DUMP): Define.
13393         (dump_manager::dump_register): Start with 512 entries instead of 32.
13394         (dump_manager::register_dumps): New method.
13395         * toplev.c (general_init): Instead of invoking register_dumps
13396         langhook, invoke register_dumps method on the dump manager.
13397         * gimplify.c (gimplify_function_tree): Use TDI_gimple instead of
13398         TDI_generic.
13399
13400 2017-06-07  Richard Sandiford  <richard.sandiford@linaro.org>
13401
13402         * doc/md.texi: Clarify the restrictions on a define_insn condition.
13403         Say that # requires an associated define_split to exist, and that
13404         the define_split must be suitable for use after register allocation.
13405
13406 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13407
13408         * cfgbuild.c (find_bb_boundaries): Initialize profile of split blocks.
13409         (compute_outgoing_frequencies): Also initialize zero counts.
13410         (find_many_sub_basic_blocks): Do not produce uninitialized profile
13411         around loops; preserve more of profile when nothing changes.
13412
13413 2017-06-06  Jim Wilson  <jim.wilson@linaro.org>
13414
13415         * config/aarch64/aarch64-cost-tables.h (qdf24xx_extra_costs): Move to
13416         here.
13417         * config/arm/aarch-cost-tables.h (qdf24xx_extra_costs): From here.
13418         * config/arm/arm-cpu-cdata.h: Regenerate.
13419         * config/arm/arm-cpu-data.h, config/arm/arm-cpu.h: Likewise.
13420         * config/arm/arm-tables.opt, config/arm/arm-tune.md: Likewise.
13421         * config/arm/arm-cpus.in: Delete falkor and qdf24xx entries.
13422         * config/arm/arm.c (arm_qdf24xx_tune): Delete.
13423         * config/arm/bpabi.h (BE8_LINK_SPEC): Delete falkor and qdf24xx
13424         support.
13425         * config/arm/t-aprofile (MULTILIB_MATCHES): Delete falkor and qdf24xx
13426         support.
13427         * config/arm/t-rmprofile: Likewise.
13428         * doc/invoke.texi (ARM Options): Drop falkor and qdf24xx support.
13429
13430 2017-06-06  David S. Miller  <davem@davemloft.net>
13431
13432         PR target/80968
13433         * config/sparc/sparc.c (sparc_expand_prologue): Emit frame
13434         blockage if function uses alloca.
13435
13436 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13437
13438         * tree-ssa-loop-prefetch.c (struct mem_ref_group, struct mem_ref):
13439         New "uid" fields to hold pretty-print IDs of group and ref.
13440         Memory references are now identified as <group_id>:<ref_id>
13441         instead of using [random] addresses.
13442         (dump_mem_details): Simplify, no functional change.
13443         (dump_mem_ref): Simplify and make output more concise.
13444         Replace couple of fprintf's throughout code with calls to dump_mem_ref.
13445         (find_or_create_group): Initialize group uid.
13446         (record_ref): Initialize ref uid.  Improve debug output.
13447         (prune_group_by_reuse, should_issue_prefetch_p,)
13448         (should_issue_prefetch_p, schedule_prefetches, issue_prefetch_ref,)
13449         (mark_nontemporal_store, determine_loop_nest_reuse):
13450         Improve debug output.
13451
13452 2017-06-06  Maxim Kuvyrkov  <maxim.kuvyrkov@linaro.org>
13453
13454         * dbgcnt.def (prefetch): New debug counter.
13455         * tree-ssa-loop-prefetch.c (dbgcnt.h): New include.
13456         (schedule_prefetches): Stop issueing prefetches if debug counter
13457         tripped.
13458
13459 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13460
13461         * doc/sourcebuild.texi (Testsuites, C Language Testsuites,
13462         gcc.c-torture/compile): Remove mention of NO_LABEL_VALUES in fixme.
13463
13464 2017-06-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13465
13466         * config/aarch64/atomics.md (atomic_compare_and_swap<mode> expander):
13467         Use aarch64_reg_or_zero predicate for operand 4.
13468         (aarch64_compare_and_swap<mode> define_insn_and_split):
13469         Use aarch64_reg_or_zero predicate for operand 3.  Add 'Z' constraint.
13470         (aarch64_store_exclusive<mode>): Likewise for operand 2.
13471
13472 2017-06-06  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13473
13474         * config/arm/arm.c (arm_compute_save_reg_mask): Rename into ...
13475         (arm_compute_save_core_reg_mask): This.
13476         (thumb1_compute_save_reg_mask): Rename into ...
13477         (thumb1_compute_save_core_reg_mask): This.
13478         (arm_compute_save_reg0_reg12_mask): Adapt comment.
13479         (arm_compute_frame_layout): Likewise.
13480
13481 2017-06-06  Richard Biener  <rguenther@suse.de>
13482
13483         PR tree-optimization/80974
13484         * tree-ssa-sccvn.c (set_ssa_val_to): Do not change but only
13485         keep or clear leaders SSA info.
13486
13487 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13488
13489         * config/nvptx/nvptx.c (split_mode_p): New function.
13490         (nvptx_declare_function_name, nvptx_print_operand): Use split_mode_p.
13491
13492 2017-06-06  Tom de Vries  <tom@codesourcery.com>
13493
13494         * config/nvptx/nvptx.c (nvptx_print_operand): Use maybe_split_mode.
13495
13496 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13497
13498         PR bootstrap/80978
13499         * tree-cfg.c (execute_fixup_cfg): Fix condition on when to rescale
13500         profile.
13501
13502 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13503
13504         * shrink-wrap.c (handle_simple_exit): Update profile.
13505         (try_shrink_wrapping): Upate profile.
13506
13507 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13508
13509         * predict.c (tree_estimate_probability_bb): Add LOCAL_ONLY.
13510         (tree_guess_outgoing_edge_probabilities): New.
13511         * predict.h (tree_guess_outgoing_edge_probabilities): Declare.
13512         * tree-cfg.c (gimple_find_sub_bbs): Propagate profile.
13513
13514 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13515
13516         * ipa-split.c (split_function): Initialize return bb profile.
13517
13518 2017-06-06  Jan Hubicka  <hubicka@ucw.cz>
13519
13520         * profile.c (compute_branch_probabilities): Also initialize
13521         EXIT_BLOCK profile.
13522
13523 2017-06-06  Richard Biener  <rguenther@suse.de>
13524
13525         PR tree-optimization/80928
13526         * tree-vect-loop.c (vect_update_vf_for_slp): Amend dumps.
13527         (vect_analyze_loop_operations): Properly guard analysis for
13528         pure SLP case.
13529         (vect_transform_loop): Likewise.
13530         (vect_analyze_loop_2): Also reset SLP type on PHIs.
13531         (vect_model_induction_cost): Do not cost for pure SLP.
13532         (vectorizable_induction): Pass in SLP node, implement SLP vectorization
13533         of induction in inner loop vectorization.
13534         * tree-vect-slp.c (vect_create_new_slp_node): Handle PHIs.
13535         (vect_get_and_check_slp_defs): Handle vect_induction_def.
13536         (vect_build_slp_tree): Likewise.  Handle PHIs as terminating the
13537         recursion.
13538         (vect_analyze_slp_cost_1): Cost induction.
13539         (vect_detect_hybrid_slp_stmts): Handle PHIs.
13540         (vect_get_slp_vect_defs): Likewise.
13541         * tree-vect-stmts.c (vect_analyze_stmt): Handle induction.
13542         (vect_transform_stmt): Handle SLP reductions.
13543         * tree-vectorizer.h (vectorizable_induction): Adjust.
13544
13545 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13546
13547         * config/rs6000/rs6000.c (make_resolver_func): Update
13548         init_lowered_empty_function call.
13549
13550 2017-06-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13551
13552         * doc/invoke.texi: Document the -fprofile-abs-path option.
13553         * common.opt (fprofile-abs-path): New option.
13554         * gcov-io.h (gcov_write_filename): Declare.
13555         * gcov-io.c (gcov_write_filename): New function.
13556         * coverage.c (coverage_begin_function): Use gcov_write_filename.
13557         * profile.c (output_location): Likewise.
13558
13559 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13560
13561         * shring-wrap.c: Revert accidental commit.
13562
13563 2017-06-05  Volker Reichelt  <v.reichelt@netcologne.de>
13564
13565         * doc/invoke.texi (-Wduplicated-branches): Add to warning list.
13566
13567 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13568
13569         * cfgexpand.c (expand_gimple_tailcall): Initialize profile of
13570         new edge.
13571         * ipa-inline.c (want_inline_self_recursive_call_p): Watch for missing
13572         profile in callgraph edge.
13573         * profile-count.h (apply_probability): If THIS is 0, then result is 0
13574         (apply_scale): Likewise.
13575         * tree-inline.c (copy_bb, copy_edges_for_bb, copy_cfg_body):
13576         Also scale profile when inlining function with zero profile.
13577         (initialize_cfun): Update exit block profile even when it is zero.
13578         * tree-ssa-threadupdate.c (clear_counts_path): Handle correctly case
13579         when profile is read.
13580
13581 2017-06-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
13582
13583         * config/rs6000/rs6000.c (toplevel): Include attribs.h.
13584         (CLONE_*): New constants to define the processors we can generate
13585         code for with the target_clone attribute.
13586         (rs6000_clone_map): New array to identify which clone processors
13587         the current program is running on.
13588         (TARGET_COMPARE_VERSION_PRIORITY): Define to enable the
13589         target_clone attribute.
13590         (TARGET_GENERATE_VERSION_DISPATCHER_BODY): Likewise.
13591         (TARGET_GET_FUNCTION_VERSIONS_DISPATCHER): Likewise.
13592         (TARGET_OPTION_FUNCTION_VERSIONS): Likewise.
13593         (cpu_expand_builtin): Add support for target_clone attribute.
13594         (rs6000_valid_attribute_p): Allow "default" attribute.
13595         (get_decl_name): New debug function to simplify printing the
13596         current function name in debugging statements.
13597         (rs6000_clone_priority): New functions to support the target_clone
13598         attribute, and be able to generate code to switch between ISA 2.05
13599         through ISA 3.0 (power6 through power9).
13600         (rs6000_compare_version_priority): Likewise.
13601         (rs6000_get_function_versions_dispatcher): Likewise.
13602         (make_resolver_func): Likewise.
13603         (add_condition_to_bb): Likewise.
13604         (dispatch_function_versions): Likewise.
13605         (rs6000_generate_version_dispatcher_body): Likewise.
13606         (rs6000_can_inline_p): Call get_decl_name for debugging usage.
13607         (fusion_gpr_load_p): Fix a spacing issue.
13608         * doc/extend.texi (Common Function Attributes): Document that the
13609         PowerPC supports the target_clone attribute.
13610
13611 2017-06-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
13612
13613         * config/arm/arm.h: explain F symbol found in description of ARM
13614         register allocation in its legend.
13615
13616 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13617
13618         * config/mips/frame-header-opt.c: Include profile-count.h.
13619         * config/riscv/riscv.c: Include profile-count.h
13620
13621 2017-06-05  Jan Hubicka  <hubicka@ucw.cz>
13622
13623         * tree-ssa-loop-im.c (execute_sm_if_changed): Add FLAG_BBS parameter;
13624         update profile.
13625         (sm_set_flag_if_changed): Add bbs field.
13626         (execute_sm_if_changed_flag_set): Pass BBS.
13627         (execute_sm): Update.
13628
13629 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13630
13631         * config/aarch64/aarch64-simd.md (aarch64_store_lane0<mode>):
13632         New pattern.
13633
13634 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13635
13636         * config/aarch64/aarch64.md (sub<mode>3_compare1_imm): New define_insn.
13637         (peephole2): New peephole2 to emit the above.
13638         * config/aarch64/predicates.md (aarch64_sub_immediate): New predicate.
13639
13640 2017-06-05  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13641
13642         * config/aarch64/aarch64.c (define_peephole2 above
13643         *sub_<shift>_<mode>): New peephole.
13644
13645 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
13646
13647         * config/i386/i386.c (make_resolver_func): Update.
13648         * Makefile.in: Add profile-count.h and profile-count.o
13649         * auto-profile.c (afdo_indirect_call): Update to new API.
13650         (afdo_set_bb_count): Update.
13651         (afdo_propagate_edge): Update.
13652         (afdo_propagate_circuit): Update.
13653         (afdo_calculate_branch_prob): Update.
13654         (afdo_annotate_cfg): Update.
13655         * basic-block.h: Include profile-count.h
13656         (struct edge_def): Turn count to profile_count.
13657         (struct basic_block_def): Likewie.
13658         (REG_BR_PROB_BASE): Move to profile-count.h
13659         (RDIV): Move to profile-count.h
13660         * bb-reorder.c (max_entry_count): Turn to profile_count.
13661         (find_traces): Update.
13662         (rotate_loop):Update.
13663         (connect_traces):Update.
13664         (sanitize_hot_paths):Update.
13665         * bt-load.c (migrate_btr_defs): Update.
13666         * cfg.c (RDIV): Remove.
13667         (init_flow): Use alloc_block.
13668         (alloc_block): Uninitialize count.
13669         (unchecked_make_edge): Uninitialize count.
13670         (check_bb_profile): Update.
13671         (dump_edge_info): Update.
13672         (dump_bb_info): Update.
13673         (update_bb_profile_for_threading): Update.
13674         (scale_bbs_frequencies_int): Update.
13675         (scale_bbs_frequencies_gcov_type): Update.
13676         (scale_bbs_frequencies_profile_count): New.
13677         * cfg.h (update_bb_profile_for_threading): Update.
13678         (scale_bbs_frequencies_profile_count): Declare.
13679         * cfgbuild.c (compute_outgoing_frequencies): Update.
13680         (find_many_sub_basic_blocks): Update.
13681         * cfgcleanup.c (try_forward_edges): Update.
13682         (try_crossjump_to_edge): Update.
13683         * cfgexpand.c (expand_gimple_tailcall): Update.
13684         (construct_exit_block): Update.
13685         * cfghooks.c (verify_flow_info): Update.
13686         (dump_bb_for_graph): Update.
13687         (split_edge): Update.
13688         (make_forwarder_block): Update.
13689         (duplicate_block): Update.
13690         (account_profile_record): Update.
13691         * cfgloop.c (find_subloop_latch_edge_by_profile): Update.
13692         (get_estimated_loop_iterations): Update.
13693         * cfgloopanal.c (expected_loop_iterations_unbounded): Update.
13694         (single_likely_exit): Update.
13695         * cfgloopmanip.c (scale_loop_profile): Update.
13696         (loopify): Update.
13697         (set_zero_probability): Update.
13698         (lv_adjust_loop_entry_edge): Update.
13699         * cfgrtl.c (force_nonfallthru_and_redirect): Update.
13700         (purge_dead_edges): Update.
13701         (rtl_account_profile_record): Update.
13702         * cgraph.c (cgraph_node::create): Uninitialize count.
13703         (symbol_table::create_edge): Uninitialize count.
13704         (cgraph_update_edges_for_call_stmt_node): Update.
13705         (cgraph_edge::dump_edge_flags): Update.
13706         (cgraph_node::dump): Update.
13707         (cgraph_edge::maybe_hot_p): Update.
13708         * cgraph.h: Include profile-count.h
13709         (create_clone), create_edge, create_indirect_edge): Update.
13710         (cgraph_node): Turn count to profile_count.
13711         (cgraph_edge0: Likewise.
13712         (make_speculative, clone): Update.
13713         (create_edge): Update.
13714         (init_lowered_empty_function): Update.
13715         * cgraphclones.c (cgraph_edge::clone): Update.
13716         (duplicate_thunk_for_node): Update.
13717         (cgraph_node::create_clone): Update.
13718         * cgraphunit.c (cgraph_node::analyze): Update.
13719         (cgraph_node::expand_thunk): Update.
13720         * final.c (dump_basic_block_info): Update.
13721         * gimple-streamer-in.c (input_bb): Update.
13722         * gimple-streamer-out.c (output_bb): Update.
13723         * graphite.c (print_global_statistics): Update.
13724         (print_graphite_scop_statistics): Update.
13725         * hsa-brig.c: Include basic-block.h.
13726         * hsa-dump.c: Include basic-block.h.
13727         * hsa-gen.c (T sum_slice): Update.
13728         (convert_switch_statements):Update.
13729         * hsa-regalloc.c: Include basic-block.h.
13730         * ipa-chkp.c (chkp_produce_thunks): Update.
13731         * ipa-cp.c (struct caller_statistics): Update.
13732         (init_caller_stats): Update.
13733         (gather_caller_stats): Update.
13734         (ipcp_cloning_candidate_p): Update.
13735         (good_cloning_opportunity_p): Update.
13736         (get_info_about_necessary_edges): Update.
13737         (dump_profile_updates): Update.
13738         (update_profiling_info): Update.
13739         (update_specialized_profile): Update.
13740         (perhaps_add_new_callers): Update.
13741         (decide_about_value): Update.
13742         (ipa_cp_c_finalize): Update.
13743         * ipa-devirt.c (struct odr_type_warn_count): Update.
13744         (struct decl_warn_count): Update.
13745         (struct final_warning_record): Update.
13746         (possible_polymorphic_call_targets): Update.
13747         (ipa_devirt): Update.
13748         * ipa-fnsummary.c (redirect_to_unreachable): Update.
13749         * ipa-icf.c (sem_function::merge): Update.
13750         * ipa-inline-analysis.c (do_estimate_edge_time): Update.
13751         * ipa-inline.c (compute_uninlined_call_time): Update.
13752         (compute_inlined_call_time): Update.
13753         (want_inline_small_function_p): Update.
13754         (want_inline_self_recursive_call_p): Update.
13755         (edge_badness): Update.
13756         (lookup_recursive_calls): Update.
13757         (recursive_inlining): Update.
13758         (inline_small_functions): Update.
13759         (dump_overall_stats): Update.
13760         (dump_inline_stats): Update.
13761         * ipa-profile.c (ipa_profile_generate_summary): Update.
13762         (ipa_propagate_frequency): Update.
13763         (ipa_profile): Update.
13764         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
13765         * ipa-utils.c (ipa_merge_profiles): Update.
13766         * loop-doloop.c (doloop_modify): Update.
13767         * loop-unroll.c (report_unroll): Update.
13768         (unroll_loop_runtime_iterations): Update.
13769         * lto-cgraph.c (lto_output_edge): Update.
13770         (lto_output_node): Update.
13771         (input_node): Update.
13772         (input_edge): Update.
13773         (merge_profile_summaries): Update.
13774         * lto-streamer-in.c (input_cfg): Update.
13775         * lto-streamer-out.c (output_cfg): Update.
13776         * mcf.c (create_fixup_graph): Update.
13777         (adjust_cfg_counts): Update.
13778         (sum_edge_counts): Update.
13779         * modulo-sched.c (sms_schedule): Update.
13780         * postreload-gcse.c (eliminate_partially_redundant_load): Update.
13781         * predict.c (maybe_hot_count_p): Update.
13782         (probably_never_executed): Update.
13783         (dump_prediction): Update.
13784         (combine_predictions_for_bb): Update.
13785         (propagate_freq): Update.
13786         (handle_missing_profiles): Update.
13787         (counts_to_freqs): Update.
13788         (rebuild_frequencies): Update.
13789         (force_edge_cold): Update.
13790         * predict.h: Include profile-count.h
13791         (maybe_hot_count_p, counts_to_freqs): UPdate.
13792         * print-rtl-function.c: Do not include cfg.h
13793         * print-rtl.c: Include basic-block.h
13794         * profile-count.c: New file.
13795         * profile-count.h: New file.
13796         * profile.c (is_edge_inconsistent): Update.
13797         (correct_negative_edge_counts): Update.
13798         (is_inconsistent): Update.
13799         (set_bb_counts): Update.
13800         (read_profile_edge_counts): Update.
13801         (compute_frequency_overlap): Update.
13802         (compute_branch_probabilities): Update; Initialize and deinitialize
13803         gcov_count tables.
13804         (branch_prob): Update.
13805         * profile.h (bb_gcov_counts, edge_gcov_counts): New.
13806         (edge_gcov_count): New.
13807         (bb_gcov_count): New.
13808         * shrink-wrap.c (try_shrink_wrapping): Update.
13809         * tracer.c (better_p): Update.
13810         * trans-mem.c (expand_transaction): Update.
13811         (ipa_tm_insert_irr_call): Update.
13812         (ipa_tm_insert_gettmclone_call): Update.
13813         * tree-call-cdce.c: Update.
13814         * tree-cfg.c (gimple_duplicate_sese_region): Update.
13815         (gimple_duplicate_sese_tail): Update.
13816         (gimple_account_profile_record): Update.
13817         (execute_fixup_cfg): Update.
13818         * tree-inline.c (copy_bb): Update.
13819         (copy_edges_for_bb): Update.
13820         (initialize_cfun): Update.
13821         (freqs_to_counts): Update.
13822         (copy_cfg_body): Update.
13823         (expand_call_inline): Update.
13824         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): Update.
13825         * tree-ssa-loop-ivcanon.c (unloop_loops): Update.
13826         (try_unroll_loop_completely): Update.
13827         (try_peel_loop): Update.
13828         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update.
13829         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop): Update.
13830         * tree-ssa-loop-split.c (connect_loops): Update.
13831         * tree-ssa-loop-unswitch.c (hoist_guard): Update.
13832         * tree-ssa-reassoc.c (branch_fixup): Update.
13833         * tree-ssa-tail-merge.c (replace_block_by): Update.
13834         * tree-ssa-threadupdate.c (create_block_for_threading): Update.
13835         (compute_path_counts): Update.
13836         (update_profile): Update.
13837         (recompute_probabilities): Update.
13838         (update_joiner_offpath_counts): Update.
13839         (estimated_freqs_path): Update.
13840         (freqs_to_counts_path): Update.
13841         (clear_counts_path): Update.
13842         (ssa_fix_duplicate_block_edges): Update.
13843         (duplicate_thread_path): Update.
13844         * tree-switch-conversion.c (case_bit_test_cmp): Update.
13845         (struct switch_conv_info): Update.
13846         * tree-tailcall.c (decrease_profile): Update.
13847         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Update.
13848         * tree-vect-loop.c (scale_profile_for_vect_loop): Update.
13849         * value-prof.c (check_counter): Update.
13850         (gimple_divmod_fixed_value): Update.
13851         (gimple_mod_pow2): Update.
13852         (gimple_mod_subtract): Update.
13853         (gimple_ic_transform): Update.
13854         (gimple_stringop_fixed_value): Update.
13855         * value-prof.h (gimple_ic): Update.
13856
13857 2017-06-02  Carl Love  <cel@us.ibm.com>
13858
13859         * config/rs6000/rs6000-c: Add support for built-in functions
13860         vector double vec_doublee (vector signed int);
13861         vector double vec_doublee (vector unsigned int);
13862         vector double vec_doublee (vector float);
13863         vector double vec_doubleh (vector signed int);
13864         vector double vec_doubleh (vector unsigned int);
13865         vector double vec_doubleh (vector float);
13866         vector double vec_doublel (vector signed int);
13867         vector double vec_doublel (vector unsigned int);
13868         vector double vec_doublel (vector float);
13869         vector double vec_doubleo (vector signed int);
13870         vector double vec_doubleo (vector unsigned int);
13871         vector double vec_doubleo (vector float);.
13872         * config/rs6000/rs6000-builtin.def: Add definitions for DOUBLEE,
13873         DOUBLEO, DOUBLEH, DOUBLEL, UNS_DOUBLEO, UNS_DOUBLEE, UNS_DOUBLEH,
13874         UNS_DOUBLEL.
13875         * config/rs6000/altivec.md: Add code generator for doublee<mode>2,
13876         unsdoubleev4si2, doubleo<mode>2, unsdoubleov4si2, doubleh<mode>2,
13877         unsdoublehv4si2, doublel<mode>2, unsdoublelv4si2, add mode attribute
13878         VS_sxwsp.
13879         * config/rs6000/altivec.h: Add define for vec_doublee, vec_doubleo,
13880         vec_doublel, vec_doubleh.
13881         * doc/extend.texi: Update the built-in documentation file for the
13882         new built-in functions.
13883
13884 2017-06-02  David Malcolm  <dmalcolm@redhat.com>
13885
13886         PR jit/80954
13887         * ipa-inline-analysis.c (free_growth_caches): Set
13888         edge_removal_hook_holder to NULL after removing it.
13889
13890 2017-06-02  Sudakshina Das  <sudi.das@arm.com>
13891
13892         * config/aarch64/aarch64.c (aarch64_select_cc_mode): Return CC_SWP for
13893         comparision with zero.
13894
13895 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13896         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13897         for early expansion of vec_min and vec_max builtins.
13898         (builtin_function_type): Add min/max unsigned variants to those
13899         identified as having unsigned arguments.
13900
13901 2017-06-02  Olivier Hainque  <hainque@adacore.com>
13902
13903         * config/vx-common.h (DWARF_UNWIND_INFO): Switch #define to 1.
13904
13905 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13906
13907         * config/aarch64/aarch64-simd.md (*aarch64_simd_vec_copy_lane<mode>):
13908         Use VALL_F16 iterator rather than VALL.
13909
13910 2017-06-02  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
13911
13912         * config/aarch64/aarch64.c (aarch64_split_compare_and_swap):
13913         Emit CBNZ inside loop when doing a strong exchange and comparing
13914         against zero.  Generate the CC flags after the loop.
13915
13916 2017-06-02  David Edelsohn  <dje.gcc@gmail.com>
13917
13918         * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE_STR): New.
13919         (dl_section_ref): New.
13920         (dwarf2out_finish): Copy debug_line_section_label to dl_section_ref.
13921         On AIX, append an expression to subtract the size of the
13922         section length to dl_section_ref.
13923
13924 2017-06-02  Will Schmidt  <will_schmidt@vnet.ibm.com>
13925
13926         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling
13927         for early expansion of vector absolute builtins.
13928
13929 2017-06-02  Richard Biener  <rguenther@suse.de>
13930
13931         * tree-vect-slp.c (vect_detect_hybrid_slp_2): Match up
13932         what we consider a relevant use stmt with vect_detect_hybrid_slp_stmts.
13933
13934 2017-06-02  Richard Biener  <rguenther@suse.de>
13935
13936         PR tree-optimization/80948
13937         * tree-tailcall.c (find_tail_calls): Track stmts to move in
13938         stmt order as well.
13939
13940 2017-06-02  Richard Biener  <rguenther@suse.de>
13941
13942         * tree-vect-loop.c (vect_analyze_loop_operations): Not relevant
13943         PHIs are ok.
13944         * tree-vect-stmts.c (process_use): Do not mark backedge defs
13945         for inductions as relevant.
13946
13947 2017-06-02  Richard Biener  <rguenther@suse.de>
13948
13949         * tree-vect-loop.c (get_initial_def_for_induction): Inline into ...
13950         (vectorizable_induction): ... this.  Remove dead code.
13951
13952 2017-06-02  Eric Botcazou  <ebotcazou@adacore.com>
13953
13954         * builtins. (expand_builtin_alloca): Remove second parameter and
13955         infer its value from the first parameter instead.
13956         (expand_builtin) <BUILT_IN_ALLOCA>: Adjust call to above.
13957
13958 2017-06-02  Jakub Jelinek  <jakub@redhat.com>
13959
13960         PR rtl-optimization/80903
13961         * loop-doloop.c (add_test): Unshare sequence.
13962
13963 2017-06-02  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13964
13965         * doc/invoke.texi: Document the -Wsizeof-pointer-div warning.
13966
13967 2017-06-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>
13968
13969         * config/i386/i386.c (x86_64_ms_sysv_extra_clobbered_registers): Make
13970         static.
13971         (xlogue_layout::get_stack_space_used, xlogue_layout::s_instances,
13972         xlogue_layout::get_instance, logue_layout::xlogue_layout,
13973         sp_valid_at, fp_valid_at, choose_basereg): Formatting.
13974         (xlogue_layout::get_stub_rtx): Make static.
13975         (xlogue_layout::get_stub_name): Avoid const-cast, make static.
13976         (xlogue_layout::compute_stub_managed_regs): Rename to...
13977         (xlogue_layout::count_stub_managed_regs): ...this.
13978         (xlogue_layout::is_stub_managed_reg): New function.
13979         (xlogue_layout::m_stub_names): Rename to...
13980         (xlogue_layout::s_stub_names): ...this, make static.
13981         (xlogue_layout::STUB_INDEX_OFFSET, xlogue_layout::MIN_REGS,
13982         xlogue_layout::MAX_REGS, xlogue_layout::MAX_EXTRA_REGS,
13983         xlogue_layout::VARIANT_COUNT, xlogue_layout::STUB_NAME_MAX_LEN,
13984         xlogue_layout::s_stub_names): Instantiate statics.
13985         (stub_managed_regs): Remove.
13986         (ix86_save_reg): Use xlogue_layout::compute_stub_managed_regs.
13987         (disable_call_ms2sysv_xlogues): Rename to...
13988         (warn_once_call_ms2sysv_xlogues): ...this, and warn only once.
13989         (ix86_initial_elimination_offset, ix86_expand_call): Fix call_ms2sysv
13990         warning logic.
13991         (ix86_static_chain): Make sure that ix86_static_chain_on_stack can't
13992         change after reload_completed.
13993         (ix86_can_use_return_insn_p): Use the ix86_frame data structure
13994         directly.
13995         (ix86_expand_prologue): Likewise.
13996         (ix86_expand_epilogue): Likewise.
13997         (ix86_expand_split_stack_prologue): Likewise.
13998         (ix86_compute_frame_layout): Remove frame parameter ...
13999         (TARGET_COMPUTE_FRAME_LAYOUT): ... and export it as a target hook.
14000         (ix86_finalize_stack_realign_flags): Call ix86_compute_frame_layout
14001         only if necessary.
14002         (ix86_init_machine_status): Don't set use_fast_prologue_epilogue_nregs.
14003         (ix86_frame): Move from here ...
14004         * config/i386/i386.h (ix86_frame): ... to here.
14005         (machine_function): Remove use_fast_prologue_epilogue_nregs, cache the
14006         complete ix86_frame data structure instead.  Remove some_ld_name.
14007
14008 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14009
14010         * dwarf2out.c (dwarf2out_late_global_decl): Add locations for
14011         symbols that hold a DECL_VALUE_EXPR.
14012
14013 2017-06-01  Martin Jambor  <mjambor@suse.cz>
14014
14015         PR tree-optimization/80898
14016         * tree-sra.c (process_subtree_disqualification): Removed.
14017         (disqualify_candidate): Do not acll
14018         process_subtree_disqualification.
14019         (subtree_mark_written_and_enqueue): New function.
14020         (propagate_all_subaccesses): Set grp_write of LHS subtree if the
14021         RHS has been disqualified and re-queue LHS if necessary.  Apart
14022         from that, ignore disqualified RHS.
14023
14024 2017-06-01  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14025
14026         * config/s390/s390.c (s390_emit_epilogue): Disable early return
14027         address fetch for z10 or later.
14028
14029 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14030
14031         * config/arc/arc.md (tst_movb): Add guard when splitting.
14032
14033 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14034
14035         * config/arc/arc.c (arc_can_eliminate): Test against
14036         arc_frame_pointer_needed.
14037
14038 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14039
14040         * config/arc/arc.c (arc_expand_prologue): Emit a special barrier
14041         to prevent store reordering.
14042         * config/arc/arc.md (UNSPEC_ARC_STKTIE): Define.
14043         (type): Add block type.
14044         (stack_tie): Define special instruction to be used in
14045         expand_prologue.
14046
14047 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14048
14049         * config/arc/arc.md (commutative_binary_comparison): Remove 'I'
14050         constraint. It is not valid for the pattern.
14051         (noncommutative_binary_comparison): Likewise.
14052
14053 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14054
14055         * config/arc/simdext.md (movv2hi_insn): Change predicate to avoid
14056         scaled addresses.
14057
14058 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14059
14060         * config/arc/arc.c (arc_conditional_register_usage): Allow r30 to
14061         be used by the reg-alloc.
14062
14063 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14064
14065         * config/arc/arc.md (mulsi3): Avoid use of hard registers before
14066         reg-alloc when having mul64 or mul32x16 instructions.
14067         (mulsidi3): Likewise.
14068         (umulsidi3): Likewise.
14069         (mulsi32x16): New pattern.
14070         (mulsi64): Likewise.
14071         (mulsidi64): Likewise.
14072         (umulsidi64): Likewise.
14073         (MUL32x16_REG): Define.
14074         (mul64_600): Use MUL32x16_REG.
14075         (mac64_600): Likewise.
14076         (umul64_600): Likewise.
14077         (umac64_600): Likewise.
14078
14079 2017-06-01  Claudiu Zissulescu  <claziss@synopsys.com>
14080
14081         * config/arc/arc.md (mulsi3_700): Make it commutative.
14082
14083 2017-06-01  Jose E. Marchesi  <jose.marchesi@oracle.com>
14084
14085         * config/sparc/sparc.md (*zero_extendsidi2_insn_sp64): Set insn
14086         type for movstouw.
14087         (*sign_extendsidi2_insn): Likewise for movstosw.
14088
14089 2017-06-01  Pierre-Marie de Rodat  <derodat@adacore.com>
14090
14091         * dwarf2out.c (get_discr_value): Call the get_debug_type hook on
14092         the type of the input discriminant value.  Convert the
14093         discriminant value of signedness vary.
14094
14095 2017-06-01  Volker Reichelt  <v.reichelt@netcologne.de>
14096
14097         * doc/invoke.texi (-Wcatch-value): Document new shortcut.
14098         Add to -Wall section.
14099
14100 2017-06-01  Richard Biener  <rguenther@suse.de>
14101
14102         PR middle-end/66313
14103         * fold-const.c (fold_plusminus_mult_expr): If the factored
14104         factor may be zero use a wrapping type for the inner operation.
14105         * tree-tailcall.c (independent_of_stmt_p): Pass in to_move bitmap
14106         and handle moved defs.
14107         (process_assignment): Properly guard the unary op case.  Return a
14108         tri-state indicating that moving the stmt before the call may allow
14109         to continue.  Pass through to_move.
14110         (find_tail_calls): Handle moving unrelated defs before
14111         the call.
14112
14113 2017-05-31  Segher Boessenkool  <segher@kernel.crashing.org>
14114
14115         PR target/80618
14116         * config/rs6000/vector.md (*vector_uneq<mode>): Write the nor in the
14117         splitter result in the canonical way.
14118
14119 2017-05-31  Uros Bizjak  <ubizjak@gmail.com>
14120
14121         * config/i386/i386.md (*zero_extendsidi2): Enable alternative (?r, *Yj)
14122         also for 32bit target.  Update insn attributes.
14123         (zero-extendsidi2 splitter): Allow all registers for operand 1.
14124
14125 2017-05-31  Sebastian Peryt  <sebastian.peryt@intel.com>
14126
14127         * config/i386/avx512fintrin.h (_mm_mask_max_sd)
14128         (_mm_maskz_max_sd, _mm_mask_max_ss, _mm_maskz_max_ss)
14129         (_mm_mask_min_sd, _mm_maskz_min_sd, _mm_mask_min_ss)
14130         (_mm_maskz_min_ss): New intrinsics.
14131
14132 2017-05-31  Martin Liska  <mliska@suse.cz>
14133
14134         * tree-vect-loop.c (vect_create_epilog_for_reduction):
14135         Change comment style to one we normally use.
14136         (vectorizable_reduction): Likewise.
14137         (vectorizable_induction): Likewise.
14138         * tree-vect-stmts.c (vectorizable_mask_load_store): Likewise.
14139         (vectorizable_call): Likewise.
14140         (vectorizable_simd_clone_call): Likewise.
14141         (vectorizable_conversion): Likewise.
14142         (vectorizable_assignment): Likewise.
14143         (vectorizable_shift): Likewise.
14144         (vectorizable_operation): Likewise.
14145         (vectorizable_store): Likewise.
14146         (vectorizable_load): Likewise.
14147         * tree-vectorizer.h: Likewise.
14148
14149 2017-05-31  Alexander Monakov  <amonakov@ispras.ru>
14150
14151         * passes.c (emergency_dump_function): New.
14152         * tree-pass.h (emergency_dump_function): Declare.
14153         * plugin.c (plugins_internal_error_function): Remove.
14154         * plugin.h (plugins_internal_error_function): Remove declaration.
14155         * toplev.c (internal_error_function): New static function.  Use it...
14156         (general_init): ...here.
14157
14158 2017-05-31  Graham Markall  <graham.markall@embecosm.com>
14159
14160         * config/arc/arc.c (arc_print_operand): Handle constant operands.
14161         (arc_rtx_costs): Add costs for new patterns.
14162         * config/arc/arc.md: Additional *add_n and *sub_n patterns.
14163         * config/arc/predicates.md: Add _1_2_3_operand predicate.
14164
14165 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14166
14167         * tree-ssa-strlen.c (get_next_strinfo): New function.
14168         (get_stridx_plus_constant): Use it.
14169         (zero_length_string): Likewise.
14170         (adjust_related_strinfos): Likewise.
14171         (adjust_last_stmt): Likewise.
14172
14173 2017-05-31  Richard Biener  <rguenther@suse.de>
14174
14175         PR target/80880
14176         * config/i386/i386.c (ix86_expand_builtin): Remove assert
14177         for arg being an SSA name when expanding IX86_BUILTIN_BNDRET.
14178
14179 2017-05-31  Richard Sandiford  <richard.sandiford@linaro.org>
14180
14181         * tree-vect-data-refs.c (vect_find_same_alignment_drs): Remove
14182         loop_vinfo argument and use of dependence distance vectors.
14183         Check instead whether the two references differ only in their
14184         initial value and assume that they have the same alignment if the
14185         difference is a multiple of the vector alignment.
14186         (vect_analyze_data_refs_alignment): Update call accordingly.
14187
14188 2017-05-31  Martin Liska  <mliska@suse.cz>
14189
14190         PR target/79155
14191         * config/i386/cpuid.h: Fix typo in a comment in cpuid.h.
14192
14193 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
14194
14195         * tree-vect-loop-manip.c (create_intersect_range_checks_index)
14196         (create_intersect_range_checks): Move from ...
14197         * tree-data-ref.c (create_intersect_range_checks_index)
14198         (create_intersect_range_checks): ... to here.
14199         (create_runtime_alias_checks): New function factored from ...
14200         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): ...
14201         here.  Call above function.
14202         * tree-data-ref.h (create_runtime_alias_checks): New function.
14203
14204 2017-05-31  Bin Cheng  <bin.cheng@arm.com>
14205
14206         * tree-data-ref.c (prune_runtime_alias_test_list): Relax minimal
14207         segment length for dr_b and compute it in wide_int.
14208
14209 2017-05-31  Richard Biener  <rguenther@suse.de>
14210
14211         PR tree-optimization/80906
14212         * graphite-isl-ast-to-gimple.c (copy_loop_close_phi_nodes): Get
14213         and pass through iv_map.
14214         (copy_bb_and_scalar_dependences): Adjust.
14215         (translate_pending_phi_nodes): Likewise.
14216         (copy_loop_close_phi_args): Handle code-generating IVs instead
14217         of ICEing.
14218
14219 2017-05-30  David Malcolm  <dmalcolm@redhat.com>
14220
14221         * diagnostic-color.c (color_dict): Add "type-diff".
14222         (parse_gcc_colors): Update comment.
14223         * doc/invoke.texi (Diagnostic Message Formatting Options): Add
14224         -fdiagnostics-show-template-tree and -fno-elide-type.
14225         (GCC_COLORS): Add type-diff to example.
14226         (type-diff=): New.
14227         (-fdiagnostics-show-template-tree): New.
14228         (-fno-elide-type): New.
14229         * pretty-print.c (pp_format): Pass quote and formatters[argno] to
14230         the pp_format_decoder callback.  Call any m_format_postprocessor's
14231         "handle" method.
14232         (pretty_printer::pretty_printer): Initialize
14233         m_format_postprocessor.
14234         (pretty_printer::~pretty_printer): Delete any
14235         m_format_postprocessor.
14236         * pretty-print.h (printer_fn): Add bool and const char ** parameters.
14237         (class format_postprocessor): New class.
14238         (struct pretty_printer::format_decoder): Document the new parameters.
14239         (struct pretty_printer::m_format_postprocessor): New field.
14240         * tree-diagnostic.c (default_tree_printer): Update for new
14241         bool and const char ** params.
14242         * tree-diagnostic.h (default_tree_printer): Likewise.
14243
14244 2017-05-30  Segher Boessenkool  <segher@kernel.crashing.org>
14245
14246         * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand): Delete.
14247         (lwa_operand): Delete rs6000_gen_cell_microcode test.
14248         * config/rs6000/rs6000.c (rs6000_option_override_internal): Delete
14249         rs6000_gen_cell_microcode code.
14250         (rs6000_final_prescan_insn): Delete.
14251         (rs6000_opt_vars): Delete the "gen-cell-microcode" and
14252         "warn-cell-microcode" entries.
14253         * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Delete.
14254         * config/rs6000/rs6000.md: Delete rs6000_gen_cell_microcode tests
14255         throughout.  Change cc_reg_not_micro_cr0_operand to
14256         cc_reg_not_cr0_operand throughout.
14257         (*extendhi<mode>2_noload): Delete.
14258         * config/rs6000/rs6000.opt (mgen-cell-microcode): Replace by stub.
14259         (mwarn-cell-microcode): Delete.
14260         * doc/invoke.texi (RS/6000 and PowerPC Options): Delete
14261         -mgen-cell-microcode and -mwarn-cell-microcode.
14262
14263 2017-05-30  Uros Bizjak  <ubizjak@gmail.com>
14264
14265         PR target/80833
14266         * config/i386/constraints.md (Yd): New constraint.
14267         (Ye): Ditto.
14268         * config/i386/i386.md (*movti_internal): Add (?r, Ye)
14269         and (?Yd, r) alternatives.  Update insn attributes.
14270         * config/i386/i386.md (*movti_internal): Add (?r, *Ye)
14271         and (?*Yd, r) alternatives.  Update insn attributes.
14272         (double-mode inter-unit splitters): Add new GR<->XMM splitters.
14273
14274 2017-05-30  Pierre-Marie de Rodat  <derodat@adacore.com>
14275
14276         * gimplify.c (gimplify_modify_expr): Don't create a
14277         DECL_DEBUG_EXPR link if *FROM_P does not belong to the current
14278         function.
14279
14280 2017-05-30  Wilco Dijkstra  <wdijkstr@arm.com>
14281
14282         * config/arm/arm-builtins.c (arm_expand_builtin): Remove const.
14283
14284 2017-05-30  Richard Biener  <rguenther@suse.de>
14285
14286         * tree-vectorizer.h (struct _stmt_vec_info): Add reduc_type
14287         and reduc_def fields.
14288         (STMT_VINFO_REDUC_TYPE): New define.
14289         (STMT_VINFO_REDUC_DEF): Likewise.
14290         (vect_force_simple_reduction): Adjust prototype.
14291         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Adjust.
14292         (vect_is_simple_reduction): Remove check_reduction argument.
14293         (vect_force_simple_reduction): Adjust and set
14294         STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14295         (vectorizable_reduction): Do not re-do reduction analysis
14296         but use STMT_VINFO_REDUC_TYPE and STMT_VINFO_REDUC_DEF.
14297         * tree-parloops.c (gather_scalar_reductions): Adjust.
14298
14299 2017-05-30  Richard Biener  <rguenther@suse.de>
14300
14301         PR middle-end/80901
14302         * cfgexpand.c (expand_gimple_cond): Match up loop fixup with
14303         split_edge code.
14304
14305 2017-05-24  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14306
14307         * tree-vect-data-refs.c (vect_get_peeling_costs_all_drs):
14308         Introduce unknown_misalignment parameter and remove vf.
14309         (vect_peeling_hash_get_lowest_cost):
14310         Pass unknown_misalignment parameter.
14311         (vect_enhance_data_refs_alignment):
14312         Fix unsupportable data ref treatment.
14313
14314 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14315
14316         * tree-vect-data-refs.c (vect_get_data_access_cost):
14317         Workaround for SLP handling.
14318         (vect_enhance_data_refs_alignment):
14319         Compute costs for doing no peeling at all, compare to the best
14320         peeling costs so far and avoid peeling if cheaper.
14321
14322 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14323
14324         * tree-vect-data-refs.c (vect_peeling_hash_choose_best_peeling):
14325         Return peeling info and set costs to zero for unlimited cost
14326         model.
14327         (vect_enhance_data_refs_alignment): Also inspect all datarefs
14328         with unknown misalignment. Compute and costs for unknown
14329         misalignment, compare them to the costs for known misalignment
14330         and choose the cheapest for peeling.
14331
14332 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14333
14334         * tree-vect-data-refs.c (vect_update_misalignment_for_peel): Rename.
14335         (vect_get_peeling_costs_all_drs): Create function.
14336         (vect_peeling_hash_get_lowest_cost):
14337         Use vect_get_peeling_costs_all_drs.
14338         (vect_peeling_supportable): Create function.
14339         (vect_enhance_data_refs_alignment): Use vect_peeling_supportable.
14340
14341 2017-05-30  Robin Dapp  <rdapp@linux.vnet.ibm.com>
14342
14343         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
14344         DR_HAS_NEGATIVE_STEP.
14345         (vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
14346         (vect_enhance_data_refs_alignment): Use.
14347         (vect_duplicate_ssa_name_ptr_info): Use.
14348         * tree-vectorizer.h (dr_misalignment): Use.
14349         (known_alignment_for_access_p): Use.
14350
14351 2017-05-30  Jozef Lawrynowicz  <jozef.l@somniumtech.com>
14352
14353         PR target/78838
14354         * config/msp430/msp430.c (gen_prefix): Return NULL when section name is
14355         .lowtext.
14356         (has_section_name): New function.
14357
14358 2017-05-30  Martin Liska  <mliska@suse.cz>
14359
14360         PR other/80909
14361         * auto-profile.c (get_function_decl_from_block): Fix
14362         parenthesis.
14363
14364 2017-05-30  Richard Biener  <rguenther@suse.de>
14365
14366         PR middle-end/80876
14367         * cfgexpand.c (expand_gimple_cond): Fixup preserving loops again.
14368
14369 2017-05-30  Martin Liska  <mliska@suse.cz>
14370
14371         * dumpfile.c: Use newly added macro DUMP_FILE_INFO.
14372         * dumpfile.h (struct dump_file_info): Remove ctors.
14373
14374 2017-05-30  Martin Liska  <mliska@suse.cz>
14375
14376         * predict.def: Fix GNU coding style.
14377
14378 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14379
14380         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
14381         Mark 'to' argument with ATTRIBUTE_UNUSED.
14382
14383 2017-05-29  Max Filippov  <jcmvbkbc@gmail.com>
14384
14385         * config/xtensa/xtensa.c (xtensa_emit_call): Use
14386         HOST_WIDE_INT_PRINT_HEX instead of 0x%lx format string.
14387         (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of %ld
14388         format string.
14389
14390 2017-05-29  Eric Botcazou  <ebotcazou@adacore.com>
14391
14392         * doc/install.texi (Options specification): Restore entry of
14393         --enable-sjlj-exceptions.
14394
14395 2017-05-27  Michael Eager  <eager@eagercon.com>
14396
14397         Revert:
14398         2016-01-21  Ajit Agarwal  <ajitkum@xilinx.com>
14399
14400         See https://gcc.gnu.org/ml/gcc/2017-05/msg00221.html.
14401
14402         * config/microblaze/microblaze.h
14403         (FIXED_REGISTERS): Update in macro.
14404         (CALL_USED_REGISTERS): Update in macro.
14405
14406 2017-05-27  François-Xavier Coudett  <fxcoudert@gcc.gnu.org>
14407
14408         * doc/install.texi: Add links to macOS binary distributions.
14409
14410 2017-05-27  Jakub Jelinek  <jakub@redhat.com>
14411
14412         PR bootstrap/80887
14413         Revert:
14414         2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14415
14416         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14417
14418 2017-05-26  Martin Liska  <mliska@suse.cz>
14419
14420         * dumpfile.h (enum dump_kind): Renumber TDF_* flags to be contiguous.
14421
14422 2017-05-26  Martin Liska  <mliska@suse.cz>
14423
14424         * cfg.c (check_bb_profile): Do not use TDF_COMMENT and print
14425         always leading ';; '.
14426         (dump_bb_info): Likewise.
14427         (brief_dump_cfg): Likewise.
14428         * cfgrtl.c (print_rtl_with_bb): Do not use TDF_COMMENT.
14429         * dumpfile.c: Remove usage of TDF_VERBOSE.
14430         * dumpfile.h (enum dump_kind): Likewise.
14431         (dump_gimple_bb_header): Do not use TDF_COMMENT.
14432         * print-tree.c (debug_verbose): Remove.
14433         * tree-cfg.c (gimple_dump_cfg): Do not use TDF_COMMENT.
14434         (dump_function_to_file): Remove dumps guarded with TDF_VERBOSE.
14435         * tree-diagnostic.c (default_tree_printer): Replace
14436         TDF_DIAGNOSTIC with TDF_SLIM.
14437
14438 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14439
14440         * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
14441         in parameter loop, rather than loop_vinfo.
14442         (create_intersect_range_checks): Ditto.
14443         (vect_create_cond_for_alias_checks): Update call to above functions.
14444
14445 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14446
14447         PR tree-optimization/80815
14448         * tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
14449         for merging runtime alias checks.  Handle negative DR_STEPs.
14450
14451 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14452
14453         * tree-vect-data-refs.c (Operator==, comp_dr_with_seg_len_pair):
14454         Move from ...
14455         * tree-data-ref.c (Operator==, comp_dr_with_seg_len_pair): To here.
14456         * tree-vect-data-refs.c (vect_prune_runtime_alias_test_list): Factor
14457         out code pruning runtime alias checks.
14458         * tree-data-ref.c (prune_runtime_alias_test_list): New function
14459         factored out from above.
14460         * tree-vectorizer.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14461         Move from ...
14462         * tree-data-ref.h (struct dr_with_seg_len, dr_with_seg_len_pair_t):
14463         ... to here.
14464         (prune_runtime_alias_test_list): New decalaration.
14465
14466 2017-05-26  Bin Cheng  <bin.cheng@arm.com>
14467
14468         * tree-vect-data-refs.c (compare_tree): Rename and move ...
14469         * tree-data-ref.c (data_ref_compare_tree): ... to here.
14470         * tree-data-ref.h (data_ref_compare_tree): New decalaration.
14471         * tree-vect-data-refs.c (dr_group_sort_cmp): Update uses.
14472         (operator==, comp_dr_with_seg_len_pair): Ditto.
14473         (vect_prune_runtime_alias_test_list): Ditto.
14474
14475 2017-05-26  Martin Liska  <mliska@suse.cz>
14476
14477         PR ipa/80663
14478         * params.def: Bound partial-inlining-entry-probability param.
14479
14480 2017-05-26  Marek Polacek  <polacek@redhat.com>
14481
14482         PR sanitizer/80875
14483         * fold-const.c (fold_binary_loc) <case MULT_EXPR>: Check if OP1
14484         can be negated.
14485
14486 2017-05-26  Richard Biener  <rguenther@suse.de>
14487
14488         PR tree-optimization/80842
14489         * tree-ssa-ccp.c (set_lattice_value): Always meet with the old
14490         value.
14491
14492 2017-05-26  Richard Biener  <rguenther@suse.de>
14493
14494         PR tree-optimization/80844
14495         * tree-vectorizer.c (adjust_simduid_builtins): Propagate results.
14496
14497 2017-05-25  Sebastian Peryt  <sebastian.peryt@intel.com>
14498
14499         * doc/md.texi (Machine Constraints): Update x86 family
14500         machine constraints section to match 'config/i386/constraints.md'.
14501
14502 2017-05-25  Volker Reichelt  <v.reichelt@netcologne.de>
14503
14504         * doc/invoke.texi (-Wcatch-value=): Document new warning option.
14505
14506 2017-05-25  Nathan Sidwell  <nathan@acm.org>
14507
14508         * doc/invoke.texi (--enable-languages): Update documentation.
14509
14510 2017-05-25  Martin Liska  <mliska@suse.cz>
14511
14512         * dumpfile.c: Add TDF_FOLDING.
14513         * dumpfile.h (enum dump_kind): Likewise.
14514         * genmatch.c (dt_simplify::gen_1): Use it.
14515
14516 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14517
14518         * match.pd (view_convert (convert@0 @1)): Handle zero-extension.
14519
14520 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14521
14522         * match.pd ((A +- CST1) +- CST2): Allow some conversions.
14523         * tree.c (drop_tree_overflow): Handle COMPLEX_CST and VECTOR_CST.
14524
14525 2017-05-25  Marc Glisse  <marc.glisse@inria.fr>
14526
14527         * fold-const.c (fold_binary_loc) [(A & C) == D]: Remove transformation.
14528         * match.pd (X == C): Rewrite it here.
14529         (with_possible_nonzero_bits, with_possible_nonzero_bits2,
14530         with_certain_nonzero_bits2): New predicates.
14531         * tree-ssanames.c (get_nonzero_bits): Handle INTEGER_CST.
14532
14533 2017-05-24  Nathan Sidwell  <nathan@acm.org>
14534
14535         * lto-streamer-in.c (lto_input_data_block): Adjust T const cast to
14536         avoid warning.
14537
14538         * auto-profile.c (afdo_propagate): Adjust T const cast to avoid
14539         warning.
14540
14541 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14542
14543         * config/powerpcspe: New port.  Files are copied from the rs6000
14544         port, with "rs6000" in filenames replaced by "powerpcspe".
14545
14546 2017-05-24  Wilco Dijkstra  <wdijkstr@arm.com>
14547
14548         PR rtl-optimization/80754
14549         * lra-remat.c (do_remat): Add overlap checks for dst_regno.
14550
14551 2017-05-24  Sheldon Lobo  <smlobo@sheldon.us.oracle.com>
14552
14553         * config/sparc/sparc.md (length): Return the correct value for -mflat
14554         sibcalls to match output_sibcall.
14555
14556 2017-05-24  Segher Boessenkool  <segher@kernel.crashing.org>
14557
14558         PR bootstrap/80860
14559         PR bootstrap/80843
14560         * config/rs6000/rs6000.c (struct machine_function): Add new field
14561         n_components.
14562         (rs6000_get_separate_components): Init that field, use it.
14563         (rs6000_components_for_bb): Use the field.
14564
14565 2017-05-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
14566
14567         * config/arm/arm.c (arm_expand_prologue): Fix typo in comment.
14568
14569 2017-05-24  Peter Bergner  <bergner@vnet.ibm.com>
14570
14571         PR middle-end/80823
14572         * tree-cfg.c (group_case_labels_stmt): Delete increment of "i";
14573
14574 2017-05-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
14575
14576         PR target/80725
14577         * config/s390/s390.c (s390_check_qrst_address): Check incoming
14578         address against address_operand predicate.
14579         * config/s390/s390.md ("*indirect_jump"): Swap alternatives.
14580
14581 2017-05-24  Eric Botcazou  <ebotcazou@adacore.com>
14582
14583         * var-tracking.c (track_expr_p): Do not return 0 for tracked record
14584         parameters passed indirectly.
14585
14586 2017-05-23  Uros Bizjak  <ubizjak@gmail.com>
14587
14588         * config/i386/i386.md (*movdi_internal): Remove SSE4
14589         alternative 18 (?r, *v).  Update insn attributes.
14590         (*movsi_internal): Remove SSE4 alternative 13 (?r, *v).
14591         Update insn attributes.
14592         (*zero_extendsidi2): Remove SSE4 alternative (?r, *x).
14593         Update insn attributes.
14594         * config/i386/sse.md (vec_extract<ssevecmodelower>_0): Remove SSE4
14595         alternative 1 (r, v). Remove isa attribute.
14596         * config/i386/i386.c (dimode_scalar_chain::make_vector_copies):
14597         Always move value through stack for !TARGET_INTER_UNIT_MOVES_TO_VEC
14598         and !TARGET_INTER_UNIT_MOVES_TO_VEC targets.
14599
14600 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14601
14602         * doc/sourcebuild.texi (Directives, Verify compiler message): Document
14603         dg-line directive.
14604
14605 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14606
14607         * cgraphunit.c (symbol_table::process_new_functions): Update.
14608         * ipa-fnsummary.c (pass_data_inline_parameters): Remove.
14609         (inline_generate_summary): Rename to ...
14610         (ipa_fn_summary_generate): ... this one.
14611         (inline_read_summary): Rename to ...
14612         (ipa_fn_summary_read): ... this one.
14613         (inline_write_summary): Rename to ...
14614         (ipa_fn_summary_write): ... this one.
14615         (inline_free_summary): Rename to ...
14616         (ipa_free_fn_summary): ... this one.
14617         (pass_data_local_fn_summary, pass_local_fn_summary,
14618         make_pass_local_fn_summary, pass_data_ipa_free_fn_summary,
14619         pass_ipa_free_fn_summary, make_pass_ipa_free_fn_summary,
14620         pass_data_ipa_fn_summary, pass_ipa_fn_summary,
14621         make_pass_ipa_fn_summary): New.
14622         * ipa-fnsummary.h (inline_generate_summary, inline_read_summary,
14623         inline_write_summary, inline_free_summary): Remove.
14624         (ipa_free_fn_summary) : New.
14625         * ipa-inline.c (ipa_inline): Update.
14626         (pass_ipa_inline): Do not generate summaries.
14627         * ipa.c (pass_data_ipa_free_fn_summary, pass_ipa_free_fn_summary):
14628         Remove.
14629         * passes.def: Replace pass_inline_parameters by pass_local_fn_summary
14630         and add pass_ipa_fn_summary.
14631         * tree-pass.h (make_pass_ipa_fn_summary, make_pass_local_fn_summary):
14632         New.
14633         (make_pass_inline_parameters): Remove.
14634
14635 2017-05-23  Thomas Schwinge  <thomas@codesourcery.com>
14636
14637         * omp-low.c (struct omp_context): Remove "default_kind" member.
14638         Adjust all users.
14639
14640         * omp-offload.c (execute_oacc_device_lower): Remove the
14641         parallelism dimensions function attributes for unparallelized
14642         OpenACC kernels constructs.
14643
14644 2017-05-23  Martin Liska  <mliska@suse.cz>
14645
14646         * cgraph.c (cgraph_node::get_create): Use symtab_node::dump_{asm_,}name
14647         functions.
14648         (cgraph_edge::make_speculative): Likewise.
14649         (cgraph_edge::resolve_speculation): Likewise.
14650         (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
14651         (cgraph_node::dump): Likewise.
14652         * cgraph.h: Likewise.
14653         * cgraphunit.c (analyze_functions): Likewise.
14654         (symbol_table::compile): Likewise.
14655         * ipa-cp.c (print_all_lattices): Likewise.
14656         (determine_versionability): Likewise.
14657         (initialize_node_lattices): Likewise.
14658         (ipcp_verify_propagated_values): Likewise.
14659         (estimate_local_effects): Likewise.
14660         (update_profiling_info): Likewise.
14661         (create_specialized_node): Likewise.
14662         (perhaps_add_new_callers): Likewise.
14663         (decide_about_value): Likewise.
14664         (decide_whether_version_node): Likewise.
14665         (identify_dead_nodes): Likewise.
14666         (ipcp_store_bits_results): Likewise.
14667         * ipa-devirt.c (dump_targets): Likewise.
14668         (ipa_devirt): Likewise.
14669         * ipa-icf.c (sem_item::dump): Likewise.
14670         (sem_function::equals): Likewise.
14671         (sem_variable::equals): Likewise.
14672         (sem_item_optimizer::read_section): Likewise.
14673         (sem_item_optimizer::execute): Likewise.
14674         (congruence_class::dump): Likewise.
14675         * ipa-inline-analysis.c (dump_ipa_call_summary): Likewise.
14676         (dump_inline_summary): Likewise.
14677         (estimate_node_size_and_time): Likewise.
14678         (inline_analyze_function): Likewise.
14679         * ipa-inline-transform.c (inline_call): Likewise.
14680         * ipa-inline.c (report_inline_failed_reason): Likewise.
14681         (want_early_inline_function_p): Likewise.
14682         (edge_badness): Likewise.
14683         (update_edge_key): Likewise.
14684         (inline_small_functions): Likewise.
14685         * ipa-profile.c (ipa_profile): Likewise.
14686         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
14687         (ipa_make_edge_direct_to_target): Likewise.
14688         (remove_described_reference): Likewise.
14689         (ipa_impossible_devirt_target): Likewise.
14690         (propagate_controlled_uses): Likewise.
14691         (ipa_print_node_params): Likewise.
14692         (ipcp_transform_function): Likewise.
14693         * ipa-pure-const.c (pure_const_read_summary): Likewise.
14694         (propagate_pure_const): Likewise.
14695         * ipa-reference.c (generate_summary): Likewise.
14696         (read_write_all_from_decl): Likewise.
14697         (propagate): Likewise.
14698         (ipa_reference_read_optimization_summary): Likewise.
14699         * ipa-utils.c (ipa_merge_profiles): Likewise.
14700         * ipa.c (walk_polymorphic_call_targets): Likewise.
14701         (symbol_table::remove_unreachable_nodes): Likewise.
14702         (ipa_single_use): Likewise.
14703         * passes.c (execute_todo): Likewise.
14704         * predict.c (drop_profile): Likewise.
14705         * symtab.c (symtab_node::get_dump_name): New function.
14706         (symtab_node::dump_name): Likewise.
14707         (symtab_node::dump_asm_name): Likewise.
14708         (symtab_node::dump_references): Likewise.
14709         (symtab_node::dump_referring): Likewise.
14710         (symtab_node::dump_base): Likewise.
14711         (symtab_node::debug_symtab): Likewise.
14712         * tree-sra.c (convert_callers_for_node): Likewise.
14713         * tree-ssa-structalias.c (ipa_pta_execute): Likewise.
14714         * value-prof.c (init_node_map): Likewise.
14715
14716 2017-05-23  Martin Liska  <mliska@suse.cz>
14717
14718         * cgraph.h: Move symtab_node::dump_table to symbol_table::dump
14719         and symtab_node::debug_symtab to symbol_table::debug.
14720         * cgraphunit.c (analyze_functions): Use the renamed function.
14721         (symbol_table::compile): Likewise.
14722         * ipa-cp.c (ipcp_verify_propagated_values): Likewise.
14723         * ipa-icf.c (sem_item_optimizer::execute): Likewise.
14724         * passes.c (execute_todo): Likewise.
14725         * symtab.c (symbol_table::dump): New function.
14726         * tree-ssa-structalias.c (ipa_pta_execute): Use the renamed function.
14727
14728 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14729
14730         * ipa-fnsummary.c (estimate_node_size_and_time): Do not sanity check
14731         that nonconst implies exec.
14732
14733 2017-05-23  Jan Hubicka  <hubicka@ucw.cz>
14734
14735         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
14736         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
14737         (inline_edge_summary_vec): Turn into ...
14738         (ipa_call_summaries): ... this one.
14739         (redirect_to_unreachable, edge_set_predicate,
14740         evaluate_properties_for_edge, inline_summary_alloc,
14741         reset_ipa_call_summary, reset_inline_summary,
14742         inline_summary_t::duplicate): Update.
14743         (inline_edge_duplication_hook): Turn to ...
14744         (ipa_call_summary_t::duplicate): ... this one.
14745         (inline_edge_removal_hook): Turn to ...
14746         (ipa_call_summary_t::remove): ... this one.
14747         (dump_inline_edge_summary): Turn to ...
14748         (dump_ipa_call_summary): ... this one.
14749         (estimate_function_body_sizes): Update.
14750         (inline_update_callee_summaries): Update.
14751         (remap_edge_change_prob): Update.
14752         (remap_edge_summaries): Update.
14753         (inline_merge_summary): Update.
14754         (do_estimate_edge_time): Update.
14755         (inline_generate_summary): Update.
14756         (inline_read_section): Update.
14757         (inline_read_summary): Update.
14758         (inline_free_summary): Update.
14759         * ipa-inline.c (can_inline_edge_p): Update.
14760         (compute_inlined_call_time): Update.
14761         (want_inline_small_function_p): Update.
14762         (edge_badness): Update.
14763         (early_inliner): Update.
14764         * ipa-inline.h (inline_edge_summary): Turn to ...
14765         (ipa_call_summary): ... this one.
14766         (ipa_call_summary_t): New class.
14767         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
14768         (ipa_call_summaries): New.
14769         (inline_edge_summary): Remove.
14770         (estimate_edge_growth): Update.
14771         * ipa-profile.c (ipa_propagate_frequency_1): Update.
14772         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
14773         * ipa-split.c (execute_split_functions): Update.
14774         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
14775
14776 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14777
14778         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14779         attributes): Document rdrand effective target.
14780
14781 2017-05-23  Tom de Vries  <tom@codesourcery.com>
14782
14783         * doc/sourcebuild.texi (Effective-Target Keywords, Other hardware
14784         attributes): Sort alphabetically.
14785
14786 2017-05-23  Georg-Johann Lay  <avr@gjlay.de>
14787
14788         * config/avr/genmultilib.awk: Use gsub instead of gensub.
14789
14790 2017-05-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
14791
14792         PR target/80718
14793         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Split
14794         V2DF/V2DI splat into two separate patterns, one that handles
14795         registers, and the other that only handles memory.  Drop support
14796         for splatting from a GPR on ISA 2.07 and then splitting the
14797         splat into direct move and splat.
14798         (vsx_splat_<mode>_reg): Likewise.
14799         (vsx_splat_<mode>_mem): Likewise.
14800
14801 2017-05-22  Segher Boessenkool  <segher@kernel.crashing.org>
14802
14803         * cfgcleanup.c (bb_is_just_return): Allow CLOBBERs.
14804
14805 2017-05-22  Jakub Jelinek  <jakub@redhat.com>
14806
14807         PR middle-end/80809
14808         * omp-low.c (finish_taskreg_remap): New function.
14809         (finish_taskreg_scan): If unit size of ctx->record_type
14810         is non-constant, unshare the size expression and replace
14811         decls in it with possible outer var refs.
14812
14813         PR middle-end/80809
14814         * gimplify.c (omp_add_variable): For GOVD_DEBUG_PRIVATE use
14815         GOVD_SHARED rather than GOVD_PRIVATE with it.
14816         (gimplify_adjust_omp_clauses_1, gimplify_adjust_omp_clauses): Expect
14817         GOVD_SHARED rather than GOVD_PRIVATE with GOVD_DEBUG_PRIVATE.
14818
14819         PR middle-end/80853
14820         * omp-low.c (lower_reduction_clauses): Pass OMP_CLAUSE_PRIVATE
14821         as last argument to build_outer_var_ref for pointer bases of array
14822         section reductions.
14823
14824 2017-05-19  Martin Sebor  <msebor@redhat.com>
14825
14826         * print-tree.c (print_node): Print DECL_READ_P flag.
14827
14828 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14829
14830         * Makefile.in: Add ipa-fnsummary.o and ipa-fnsummary.h
14831         * auto-profile.c: Replace ipa-inline.h by ipa-fnsummary.h
14832         * cgraph.c: Likewise.
14833         * cgraphunit.c: Likewise.
14834         * gengtype.c: Likewise.
14835         * ipa-cp.c: Likewise.
14836         * ipa-devirt.c: Likewise.
14837         * ipa-icf.c: Likewise.
14838         * ipa-predicate.c: Likewise.
14839         * ipa-profile.c: Likewise.
14840         * ipa-prop.c: Likewise.
14841         * ipa-split.c: Likewise.
14842         * ipa.c: Likewise.
14843         * ipa-inline-analysis.c (inline_summaries, ipa_call_summaries,
14844         edge_predicate_pool, dump_inline_hints,
14845         inline_summary::account_size_time, redirect_to_unreachable,
14846         edge_set_predicate, set_hint_predicate,
14847         evaluate_conditions_for_known_args, evaluate_properties_for_edge,
14848         inline_summary_alloc, ipa_call_summary::reset, inline_summary::reset,
14849         inline_summary_t::remove, remap_hint_predicate_after_duplication,
14850         inline_summary_t::duplicate, ipa_call_summary_t::duplicate,
14851         ipa_call_summary_t::remove, initialize_growth_caches,
14852         free_growth_caches, dump_ipa_call_summary, dump_inline_summary,
14853         debug_inline_summary, dump_inline_summaries, initialize_inline_failed,
14854         mark_modified, unmodified_parm_1, unmodified_parm,
14855         unmodified_parm_or_parm_agg_item, eliminated_by_inlining_prob,
14856         set_cond_stmt_execution_predicate, set_switch_stmt_execution_predicate,
14857         compute_bb_predicates, will_be_nonconstant_expr_predicate,
14858         will_be_nonconstant_predicate, record_modified_bb_info,
14859         get_minimal_bb, record_modified, param_change_prob,
14860         phi_result_unknown_predicate, predicate_for_phi_result,
14861         array_index_predicate, clobber_only_eh_bb_p, fp_expression_p,
14862         estimate_function_body_sizes, compute_inline_parameters,
14863         compute_inline_parameters_for_curren, pass_data_inline_parameters,
14864         estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,
14865         inline_update_callee_summaries, remap_edge_change_prob,
14866         remap_edge_summaries, remap_hint_predicate, inline_merge_summary,
14867         inline_update_overall_summary, inline_indirect_intraprocedural_analysis,
14868         inline_analyze_function, inline_summary_t::insert,
14869         inline_generate_summary, read_ipa_call_summary, inline_read_section,
14870         inline_read_summary, write_ipa_call_summary, inline_write_summary,
14871         inline_free_summary): Move to ipa-fnsummary.h
14872         (predicate_t): Remove.
14873         * ipa-fnsummary.c: New file.
14874         * ipa-inline.h:  Do not include sreal.h and ipa-predicate.h
14875         (enum inline_hints_vals, inline_hints, agg_position_info,
14876         INLINE_SIZE_SCALE, size_time_entry, inline_summary, inline_summary_t,
14877         inline_summaries, ipa_call_summary, ipa_call_summary_t,
14878         ipa_call_summaries, debug_inline_summary, dump_inline_summaries,
14879         dump_inline_summary, dump_inline_hints, inline_generate_summary,
14880         inline_read_summary, inline_write_summary, inline_free_summary,
14881         inline_analyze_function, initialize_inline_failed,
14882         inline_merge_summary, inline_update_overall_summary,
14883         compute_inline_parameters): Move to ipa-fnsummary.h
14884         * ipa-fnsummary.h: New file.
14885         * ipa-inline-transform.h: Include ipa-inline.h.
14886         * ipa-inline.c: LIkewise.
14887
14888 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14889
14890         * ipa-inline.c (edge_badness): Use inlined_time instead of
14891         inline_summaries->get.
14892
14893 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14894
14895         * ipa-inline.c (edge_badness): Use estimate_size_after_inlining.
14896
14897 2017-05-22  Nathan Sidwell  <nathan@acm.org>
14898
14899         * doc/invoke.texi (fdump-translation-unit): Delete documentation.
14900         (fdump-lang): Document 'raw' option.
14901         * dumpfile.h (TDI_tu): Delete.
14902         * dumpfile.c (dump_files): Remove translation-unit.
14903         (FIRST_AUTO_NUMBERED_DUMP): Decrement.
14904
14905 2017-05-22  Georg-Johann Lay  <avr@gjlay.de>
14906
14907         * config/avr/t-avr (AWK) [t-multilib]: Remove "-v FORMAT=Makefile"
14908         command option from $(AWK) call.
14909         * config/avr/genmultilib.awk: Simplify and rewrite so that it
14910         generates MULTILIB_REQUIRED instead of MULTILIB_EXCEPTIONS.
14911         [FORMAT]: Remove handling of variable.
14912         * config/avr/t-multilib: Regenerate.
14913
14914 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14915
14916         * ipa-inline-analysis.c (inline_summary::reset): Do not reset
14917         self_time.
14918         (dump_inline_summary): Do not print self_time.
14919         (estimate_function_body_sizes): Do not set self_time.
14920         (compute_inline_parameters): Likewise.
14921         (inline_read_section, inline_write_summary): Do not stream self_time.
14922         * ipa-inline.h (inline_summary): Drop self_time.
14923
14924 2017-05-22  Jan Hubicka  <hubicka@ucw.cz>
14925
14926         * ipa-inline-analysis.c (account_size_time): Rename to ...
14927         (inline_summary::account_size_time): ... this one.
14928         (reset_ipa_call_summary): Turn to ...
14929         (ipa_call_summary::reset): ... this one.
14930         (reset_inline_summary): Turn to ...
14931         (inline_summary::reset): ... this one.
14932         (inline_summary_t::remove): Update.
14933         (inline_summary_t::duplicate): Update.
14934         (ipa_call_summary_t::remove): Update.
14935         (dump_inline_summary): Update.
14936         (estimate_function_body_sizes): Update.
14937         (compute_inline_parameters): Update.
14938         (estimate_node_size_and_time): Update.
14939         (inline_merge_summary): Update.
14940         (inline_update_overall_summary): Update.
14941         (inline_read_section): Update.
14942         (inline_write_summary): Update.
14943         * ipa-inline.h (inline_summary): Rename entry to size_time_table;
14944         add account_size_time and reset member functions.
14945         (ipa_call_summary): Add reset function.
14946         * ipa-predicate.h (predicate::operator &): Constify.
14947
14948 2017-05-22  Richard Biener  <rguenther@suse.de>
14949
14950         * df-scan.c (df_insn_refs_verify): Speedup when not verifying.
14951
14952 2017-05-19  Jason Merrill  <jason@redhat.com>
14953
14954         * tree.c (make_tree_vec_stat, grow_tree_vec_stat): Use size_t.
14955
14956 2017-05-19  Marek Polacek  <polacek@redhat.com>
14957
14958         PR sanitizer/80800
14959         * fold-const.c (extract_muldiv_1) <case TRUNC_DIV_EXPR>: Add
14960         TYPE_OVERFLOW_WRAPS checks.
14961
14962 2017-05-19  Thomas Schwinge  <thomas@codesourcery.com>
14963
14964         * tree-core.h (enum omp_clause_default_kind): Add
14965         "OMP_CLAUSE_DEFAULT_PRESENT".
14966         * tree-pretty-print.c (dump_omp_clause): Handle it.
14967         * gimplify.c (enum gimplify_omp_var_data): Add
14968         "GOVD_MAP_FORCE_PRESENT".
14969         (gimplify_adjust_omp_clauses_1): Map it to
14970         "GOMP_MAP_FORCE_PRESENT".
14971         (oacc_default_clause): Handle "OMP_CLAUSE_DEFAULT_PRESENT".
14972
14973         * gimplify.c (oacc_default_clause): Clarify.
14974
14975 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14976
14977         LANG_HOOK_REGISTER_DUMPS
14978         * toplev.c (general_init): Call register dump lang hook.
14979         * doc/invoke.texi: Document -fdump-lang option family.
14980         * dumpfile.c (dump_files): Remove class dump here.
14981         (FIRST_AUTO_NUMBERED_DUMP): Adjust.
14982         * dumpfile.h (tree_dump_index): Remove TDI_class.
14983         * langhooks-def.h (lhd_register_dumps): Declare.
14984         (LANG_HOOKS_REGISTER_DUMPS): Define.
14985         (LANG_HOOKS_INITIALIZER): Add it.
14986         * langhooks.c (lhd_register_dumps): Define.
14987         * langhooks.h (struct lang_hooks): Add register_dumps.
14988
14989 2017-05-19  Nathan Sidwell  <nathan@acm.org>
14990
14991         * context.h (context::set_passes): New.
14992         * context.c (context::context): Do not create pass manager.
14993         * toplev.c (general_init): Create pass manager here.
14994
14995 2017-05-19  Segher Boessenkool  <segher@kernel.crashing.org>
14996
14997         * config/rs6000/rs6000.md (splitter to load of -1 and mask): Don't
14998         use this splitter if two add or or instructions would also work for
14999         the constant we want to generate.
15000
15001 2017-05-19  Richard Biener  <rguenther@suse.de>
15002
15003         PR build/80821
15004         * genmatch.c (dt_node::gen_kids_1): Add missing scope around
15005         predicate evaluation.
15006
15007 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15008
15009         * ipa-inline.h (ipa_call_summary): Turn sizes into signed;
15010         add ctor.
15011         * ipa-inline.c (want_inline_small_function_p): Do not cast to
15012         unsigned.
15013
15014 2017-05-19  Jan Hubicka  <hubicka@ucw.cz>
15015
15016         * ipa-inline-analysis.c (cgraph_2edge_hook_list, cgraph_edge_hook_list,
15017         inline_edge_removal_hook, inline_edge_duplication_hook): Remove.
15018         (inline_edge_summary_vec): Turn into ...
15019         (ipa_call_summaries): ... this one.
15020         (redirect_to_unreachable, edge_set_predicate,
15021         evaluate_properties_for_edge, inline_summary_alloc,
15022         reset_ipa_call_summary, reset_inline_summary,
15023         inline_summary_t::duplicate): Update.
15024         (inline_edge_duplication_hook): Turn to ...
15025         (ipa_call_summary_t::duplicate): ... this one.
15026         (inline_edge_removal_hook): Turn to ...
15027         (ipa_call_summary_t::remove): ... this one.
15028         (dump_inline_edge_summary): Turn to ...
15029         (dump_ipa_call_summary): ... this one.
15030         (estimate_function_body_sizes): Update.
15031         (inline_update_callee_summaries): Update.
15032         (remap_edge_change_prob): Update.
15033         (remap_edge_summaries): Update.
15034         (inline_merge_summary): Update.
15035         (do_estimate_edge_time): Update.
15036         (inline_generate_summary): Update.
15037         (inline_read_section): Update.
15038         (inline_read_summary): Update.
15039         (inline_free_summary): Update.
15040         * ipa-inline.c (can_inline_edge_p): Update.
15041         (compute_inlined_call_time): Update.
15042         (want_inline_small_function_p): Update.
15043         (edge_badness): Update.
15044         (early_inliner): Update.
15045         * ipa-inline.h (inline_edge_summary): Turn to ...
15046         (ipa_call_summary): ... this one.
15047         (ipa_call_summary_t): New class.
15048         (inline_edge_summary_t, inline_edge_summary_vec): Remove.
15049         (ipa_call_summaries): New.
15050         (inline_edge_summary): Remove.
15051         (estimate_edge_growth): Update.
15052         * ipa-profile.c (ipa_propagate_frequency_1): Update.
15053         * ipa-prop.c (ipa_make_edge_direct_to_target): Update.
15054         * ipa-split.c (execute_split_functions): Update.
15055         * ipa.c (symbol_table::remove_unreachable_nodes): Update.
15056
15057 2017-05-19  Richard Biener  <rguenther@suse.de>
15058
15059         PR middle-end/80764
15060         * cfgexpand.c (expand_gimple_cond): Fix loop fixup.
15061
15062 2017-05-18  Segher Boessenkool  <segher@kernel.crashing.org>
15063
15064         * config/rs6000/rs6000.c (struct machine_function): Add field
15065         fpr_is_wrapped_separately.
15066         (rs6000_get_separate_components): Use 64 components.  Handle the
15067         new FPR components.
15068         (rs6000_components_for_bb): Handle the FPR components.
15069         (rs6000_emit_prologue_components): Handle the FPR components.
15070         (rs6000_emit_epilogue_components): Handle the FPR components.
15071         (rs6000_set_handled_components): Handle the FPR components.
15072         (rs6000_emit_prologue): Don't output prologue code for those FPRs
15073         that are already separately shrink-wrapped.
15074         (rs6000_emit_epilogue): Don't output epilogue code for those FPRs
15075         that are already separately shrink-wrapped.
15076
15077 2017-05-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
15078
15079         PR target/80510
15080         * config/rs6000/predicates.md (simple_offsettable_mem_operand):
15081         New predicate.
15082
15083         * config/rs6000/rs6000.md (ALTIVEC_DFORM): New iterator.
15084         (define_peephole2 for Altivec d-form load): Add peepholes to catch
15085         cases where the register allocator uses a move and an offsettable
15086         memory operation to/from a FPR register on ISA 2.06/2.07.
15087         (define_peephole2 for Altivec d-form store): Likewise.
15088
15089 2017-05-18  Uros Bizjak  <ubizjak@gmail.com>
15090
15091         PR target/80799
15092         * config/i386/mmx.md (*mov<mode>_internal): Enable
15093         alternatives 11, 12, 13 and 14 also for 32bit targets.
15094         Remove alternatives 15, 16, 17 and 18.
15095         * config/i386/sse.md (vec_concatv2di): Change
15096         alternative (!x, *y) to (x, ?!*Yn).
15097
15098 2017-05-18  Paolo Carlini  <paolo.carlini@oracle.com>
15099
15100         * dumpfile.h (enum dump_kind): Remove stray comma.
15101
15102 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15103
15104         * Makefile.in: Add ipa-predicate.o and ipa-predicate.h
15105         * ipa-inline-analysis.c (NUM_CONDITIONS): turn into
15106         predicate::num_conditions
15107         (IS_NOT_CONSTANT): turn into predicate::is_not_constant.
15108         (CHANGED): turn into predicate::changed.
15109         (agg_position_info): Move to ipa-predicate.h
15110         (add_condition, predicate::add_clause, predicate::operator &=,
15111         predicate::or_with, predicate::evaluate, predicate::probability,
15112         dump_condition, dump_clause, predicate::dump,
15113         predicate::remap_after_duplication, predicate::remap_after_inlining,
15114         predicate::stream_in, predicate::stream_out): Move to ipa-predicate.c
15115         (evaluate_conditions_for_known_args): Update.
15116         (set_cond_stmt_execution_predicate): Update.
15117         * ipa-inline.h: Include ipa-predicate.h
15118         (condition, inline_param_summary, conditions, agg_position_info,
15119         predicate): Move to ipa-predicate.h
15120         * ipa-predicate.c: New file.
15121         * ipa-predicate.h: New file.
15122
15123 2017-05-18  Wilco Dijkstra  <wdijkstr@arm.com>
15124
15125         * final.c (leaf_function_p): Check we are not in a sequence.
15126
15127 2017-05-18  Martin Liska  <mliska@suse.cz>
15128
15129         * cfgrtl.c (rtl_verify_edges): Remove usage of TDF_RTL.
15130         * dumpfile.c (dump_register): Use new enum dump_kind.
15131         (get_dump_file_name): Likewise.
15132         (dump_enable_all): Likewise.
15133         (dump_switch_p_1): Likewise.
15134         (enable_rtl_dump_file): Remove usage of TDF_RTL.
15135         * dumpfile.h (enum dump_kind): New enum type.
15136         (struct dump_file_info): Create constructor and
15137         format fields and comments.
15138         * passes.c (pass_manager::register_one_dump_file):
15139         Use num dump_kind.
15140         * statistics.c (statistics_early_init): Likewise.
15141         * tree-ssa-loop-prefetch.c (dump_mem_details): Replace
15142         TDF_TREE with TDF_SLIM.
15143         (gather_memory_references_ref): Likewise.
15144
15145 2017-05-18  Martin Liska  <mliska@suse.cz>
15146
15147         * vec.h (struct vnull): Use it.
15148
15149 2017-05-18  Jan Hubicka  <hubicka@ucw.cz>
15150
15151         * ipa-inline-analysis.c (predicate_conditions): Move to ipa-inline.h
15152         (true_predicate, false_predicate, true_predicate_p,
15153         false_predicate_p): Remove.
15154         (single_cond_predicate, not_inlined_predicate): Turn to member function
15155         in ipa-inline.h
15156         (add_condition): Update.
15157         (add_clause): Turn to...
15158         (predicate::add_clause): ... this one; update; allow passing NULL
15159         as parameter.
15160         (and_predicates): Turn to ...
15161         (predicate::operator &=): ... this one.
15162         (predicates_equal_p): Move to predicate::operator == in ipa-inline.h
15163         (or_predicates): Turn to ...
15164         (predicate::or_with): ... this one.
15165         (evaluate_predicate): Turn to ...
15166         (predicate::evaluate): ... this one.
15167         (predicate_probability): Turn to ...
15168         (predicate::probability): ... this one.
15169         (dump_condition): Update.
15170         (dump_predicate): Turn to ...
15171         (predicate::dump): ... this one.
15172         (account_size_time): Update.
15173         (edge_set_predicate): Update.
15174         (set_hint_predicate): UPdate.
15175         (evaluate_conditions_for_known_args): Update.
15176         (evaluate_properties_for_edge): Update.
15177         (remap_predicate_after_duplication): Turn to...
15178         (predicate::remap_after_duplication): ... this one.
15179         (remap_hint_predicate_after_duplication): Update.
15180         (inline_summary_t::duplicate): UPdate.
15181         (dump_inline_edge_summary): Update.
15182         (dump_inline_summary): Update.
15183         (set_cond_stmt_execution_predicate): Update.
15184         (set_switch_stmt_execution_predicate): Update.
15185         (compute_bb_predicates): Update.
15186         (will_be_nonconstant_expr_predicate): Update.
15187         (will_be_nonconstant_predicate): Update.
15188         (phi_result_unknown_predicate): Update.
15189         (predicate_for_phi_result): Update.
15190         (array_index_predicate): Update.
15191         (estimate_function_body_sizes): Update.
15192         (estimate_node_size_and_time): Update.
15193         (estimate_ipcp_clone_size_and_time): Update.
15194         (remap_predicate): Rename to ...
15195         (predicate::remap_after_inlining): ... this one.
15196         (remap_hint_predicate): Update.
15197         (inline_merge_summary): Update.
15198         (inline_update_overall_summary): Update.
15199         (estimate_size_after_inlining): Update.
15200         (read_predicate): Rename to ...
15201         (predicate::stream_in): ... this one.
15202         (read_inline_edge_summary): Update.
15203         (write_predicate): Rename to ...
15204         (predicate::stream_out): ... this one.
15205         (write_inline_edge_summary): Update.
15206         * ipa-inline.h (MAX_CLAUSES): Turn to predicate::max_clauses.
15207         (clause_t): Turn to uint32_t
15208         (predicate): Turn to class; implement constructor and operators
15209         ==, !=, &
15210         (size_time_entry): Update.
15211         (inline_summary): Update.
15212         (inline_edge_summary): Update.
15213
15214 2017-05-18  Marc Glisse  <marc.glisse@inria.fr>
15215
15216         * fold-const.c (fold_binary_loc): Move transformation...
15217         * match.pd (C - X CMP X): ... here.
15218
15219 2017-05-18  Sheldon Lobo  <sheldon.lobo@oracle.com>
15220
15221         * config/sparc/sparc.c (sparc_option_override): Set function
15222         alignment for -mcpu=niagara7 to 64 to match the I$ line.
15223         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC M7 branch
15224         latency to 1.
15225         * config/sparc/sparc.h (BRANCH_COST): Set the SPARC T4 branch
15226         latency to 2.
15227         * config/sparc/sol2.h: Fix a ASM_CPU32_DEFAULT_SPEC typo.
15228
15229 2017-05-18  Marek Polacek  <polacek@redhat.com>
15230
15231         PR sanitizer/80797
15232         * ubsan.c (instrument_null): Unwrap ADDR_EXPRs.
15233         (pass_ubsan::execute): Call gimple_assign_single_p instead of
15234         gimple_assign_load_p.
15235
15236 2017-05-17  Segher Boessenkool  <segher@kernel.crashing.org>
15237
15238         PR middle-end/80692
15239         * real.c (do_compare): Give decimal_do_compare preference over
15240         comparing just the signs.
15241
15242 2017-05-17  Uros Bizjak  <ubizjak@gmail.com>
15243
15244         * doc/md.texi (Canonicalization of Instructions): Describe the
15245         canonical form of instructions that inherently set a condition
15246         code register.
15247
15248 2017-05-17  Peter Bergner  <bergner@vnet.ibm.com>
15249
15250         PR middle-end/80775
15251         * tree-cfg.c: Move deletion of unreachable case statements to after
15252         the merging of consecutive case labels.
15253
15254 2017-05-17  Thomas Preud'homme  <thomas.preudhomme@arm.com>
15255
15256         * config/arm/arm.c (cmse_nonsecure_call_clear_caller_saved): Refer
15257         readers to __gnu_cmse_nonsecure_call libcall for saving, clearing and
15258         restoring of callee-saved registers.
15259
15260 2017-05-17  Eric Botcazou  <ebotcazou@adacore.com>
15261
15262         * compare-elim.c (equivalent_reg_at_start): Adjust outdated comment.
15263         * config/visium/visium.c (single_set_and_flags): Likewise.
15264         * config/visium/visium.md (Substitutions): Likewise.
15265
15266 2017-05-17  Martin Liska  <mliska@suse.cz>
15267
15268         * cfg.c: Introduce dump_flags_t type and
15269         use it instead of int type.
15270         * cfg.h: Likewise.
15271         * cfghooks.c: Likewise.
15272         * cfghooks.h (struct cfg_hooks): Likewise.
15273         * cfgrtl.c: Likewise.
15274         * cfgrtl.h: Likewise.
15275         * cgraph.c (cgraph_node::get_body): Likewise.
15276         * coretypes.h: Likewise.
15277         * domwalk.c: Likewise.
15278         * domwalk.h: Likewise.
15279         * dumpfile.c (struct dump_option_value_info): Likewise.
15280         (dump_enable_all): Likewise.
15281         (dump_switch_p_1): Likewise.
15282         (opt_info_switch_p): Likewise.
15283         * dumpfile.h (enum tree_dump_index): Likewise.
15284         (struct dump_file_info): Likewise.
15285         * genemit.c: Likewise.
15286         * generic-match-head.c: Likewise.
15287         * gengtype.c (open_base_files): Likewise.
15288         * gimple-pretty-print.c: Likewise.
15289         * gimple-pretty-print.h: Likewise.
15290         * graph.c (print_graph_cfg): Likewise.
15291         * graphite-scop-detection.c (dot_all_sese): Likewise.
15292         * ipa-devirt.c (build_type_inheritance_graph): Likewise.
15293         * loop-unroll.c (report_unroll): Likewise.
15294         * passes.c (pass_manager::register_one_dump_file): Likewise.
15295         * print-tree.c: Likewise.
15296         * statistics.c: Likewise.
15297         * tree-cfg.c: Likewise.
15298         * tree-cfg.h: Likewise.
15299         * tree-dfa.c: Likewise.
15300         * tree-dfa.h: Likewise.
15301         * tree-dump.c (dump_function): Likewise.
15302         * tree-dump.h (struct dump_info): Likewise.
15303         * tree-pretty-print.c: Likewise.
15304         * tree-pretty-print.h: Likewise.
15305         * tree-ssa-live.c: Likewise.
15306         * tree-ssa-live.h: Likewise.
15307         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
15308         * tree-vect-loop.c: Likewise.
15309         * tree-vect-slp.c: Likewise.
15310
15311 2017-05-16  James Greenhalgh  <james.greenhalgh@arm.com>
15312             Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
15313
15314         PR tree-optimization/80457
15315         * tree-vect-stmts.c (vect_model_simple_cost): Model the cost
15316         of all arguments to a statement as scalar_to_vec operations.
15317         (vectorizable_call): Adjust call to vect_model_simple_cost for
15318         new parameter.
15319         (vectorizable_conversion): Likewise.
15320         (vectorizable_assignment): Likewise.
15321         (vectorizable_shift): Likewise.
15322         (vectorizable_operation): Likewise.
15323         (vectorizable_comparison): Likewise.
15324         (vect_is_simple_cond): Record the def types for operands.
15325         (vectorizable_condition): Likewise, call vect_model_simple_cost.
15326         * tree-vectorizer.h (vect_model_simple_cost): Add new parameter
15327         for statement argument count.
15328
15329 2017-05-16  Carl Love  <cel@us.ibm.com>
15330
15331         * config/rs6000/rs6000-c: Add support for built-in functions
15332         vector unsigned long long vec_bperm (vector unsigned long long,
15333                                              vector unsigned char)
15334         vector signed long long vec_mule (vector signed int,
15335                                           vector signed int)
15336         vector unsigned long long vec_mule (vector unsigned int,
15337                                             vector unsigned int)
15338         vector signed long long vec_mulo (vector signed int,
15339                                           vector signed int)
15340         vector unsigned long long vec_mulo (vector unsigned int,
15341                                             vector unsigned int)
15342         vector signed char vec_sldw (vector signed char,
15343                                      vector signed char,
15344                                      const int)
15345         vector unsigned char vec_sldw (vector unsigned char,
15346                                        vector unsigned char,
15347                                        const int)
15348         vector signed short vec_sldw (vector signed short,
15349                                       vector signed short,
15350                                       const int)
15351         vector unsigned short vec_sldw (vector unsigned short,
15352                                         vector unsigned short,
15353                                         const int)
15354         vector signed int vec_sldw (vector signed int,
15355                                     vector signed int,
15356                                     const int)
15357         vector unsigned int vec_sldw (vector unsigned int,
15358                                       vector unsigned int,
15359                                       const int)
15360         vector signed long long vec_sldw (vector signed long long,
15361                                           vector signed long long,
15362                                           const int)
15363         vector unsigned long long vec_sldw (vector unsigned long long,
15364                                             vector unsigned long long,
15365                                             const int)
15366         * config/rs6000/rs6000-c: Add support for built-in functions
15367         * config/rs6000/rs6000-builtin.def: Add definition for SLDW.
15368         * config/rs6000/altivec.h: Add defintion for vec_sldw.
15369         * doc/extend.texi: Update the built-in documentation for the
15370         new built-in functions.
15371
15372 2017-05-16  Marek Polacek  <polacek@redhat.com>
15373
15374         PR sanitizer/80536
15375         PR sanitizer/80386
15376         * tree.c (save_expr): Don't fold the expression.
15377
15378 2017-05-16  Uros Bizjak  <ubizjak@gmail.com>
15379
15380         * config/i386/i386.md (*movsi_internal): Split (?rm,*y) alternative
15381         to (?r,*Yn) and (?m,*y) alternatives, and (?*y,rm) to (?*Ym,r)
15382         and (?*y,m).  Update insn attributes.
15383
15384 2017-05-16  Martin Liska  <mliska@suse.cz>
15385
15386         * cgraph.c (cgraph_edge::resolve_speculation): Add default value for
15387         flags argument of print_gimple_stmt, print_gimple_expr,
15388         print_generic_stmt and print_generic_expr.
15389         * cgraphclones.c (symbol_table::materialize_all_clones): Likewise.
15390         * coretypes.h: Likewise.
15391         * except.c (dump_eh_tree): Likewise.
15392         * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
15393         * gimple-pretty-print.h: Likewise.
15394         * gimple-ssa-backprop.c (dump_usage_prefix): Likewise.
15395         (backprop::push_to_worklist): Likewise.
15396         (backprop::pop_from_worklist): Likewise.
15397         (backprop::process_use): Likewise.
15398         (backprop::intersect_uses): Likewise.
15399         (note_replacement): Likewise.
15400         * gimple-ssa-store-merging.c
15401         (pass_store_merging::terminate_all_aliasing_chains): Likewise.
15402         (imm_store_chain_info::coalesce_immediate_stores): Likewise.
15403         (pass_store_merging::execute): Likewise.
15404         * gimple-ssa-strength-reduction.c (dump_candidate): Likewise.
15405         (ssa_base_cand_dump_callback): Likewise.
15406         (dump_incr_vec): Likewise.
15407         (replace_refs): Likewise.
15408         (replace_mult_candidate): Likewise.
15409         (create_add_on_incoming_edge): Likewise.
15410         (create_phi_basis): Likewise.
15411         (insert_initializers): Likewise.
15412         (all_phi_incrs_profitable): Likewise.
15413         (introduce_cast_before_cand): Likewise.
15414         (replace_one_candidate): Likewise.
15415         * gimplify.c (gimplify_expr): Likewise.
15416         * graphite-isl-ast-to-gimple.c (is_valid_rename): Likewise.
15417         (set_rename): Likewise.
15418         (rename_uses): Likewise.
15419         (copy_loop_phi_nodes): Likewise.
15420         (add_close_phis_to_merge_points): Likewise.
15421         (copy_loop_close_phi_args): Likewise.
15422         (copy_cond_phi_args): Likewise.
15423         (graphite_copy_stmts_from_block): Likewise.
15424         (translate_pending_phi_nodes): Likewise.
15425         * graphite-poly.c (print_pdr): Likewise.
15426         (dump_gbb_cases): Likewise.
15427         (dump_gbb_conditions): Likewise.
15428         (print_scop_params): Likewise.
15429         * graphite-scop-detection.c (build_cross_bb_scalars_def): Likewise.
15430         (build_cross_bb_scalars_use): Likewise.
15431         (gather_bbs::before_dom_children): Likewise.
15432         * hsa-dump.c (dump_hsa_immed): Likewise.
15433         * ipa-cp.c (print_ipcp_constant_value): Likewise.
15434         (get_replacement_map): Likewise.
15435         * ipa-inline-analysis.c (dump_condition): Likewise.
15436         (estimate_function_body_sizes): Likewise.
15437         * ipa-polymorphic-call.c (check_stmt_for_type_change): Likewise.
15438         (ipa_polymorphic_call_context::get_dynamic_type): Likewise.
15439         * ipa-prop.c (ipa_dump_param): Likewise.
15440         (ipa_print_node_jump_functions_for_edge): Likewise.
15441         (ipa_modify_call_arguments): Likewise.
15442         (ipa_modify_expr): Likewise.
15443         (ipa_dump_param_adjustments): Likewise.
15444         (ipa_dump_agg_replacement_values): Likewise.
15445         (ipcp_modif_dom_walker::before_dom_children): Likewise.
15446         * ipa-pure-const.c (check_stmt): Likewise.
15447         (pass_nothrow::execute): Likewise.
15448         * ipa-split.c (execute_split_functions): Likewise.
15449         * omp-offload.c (dump_oacc_loop_part): Likewise.
15450         (dump_oacc_loop): Likewise.
15451         * trans-mem.c (tm_log_emit): Likewise.
15452         (tm_memopt_accumulate_memops): Likewise.
15453         (dump_tm_memopt_set): Likewise.
15454         (dump_tm_memopt_transform): Likewise.
15455         * tree-cfg.c (gimple_verify_flow_info): Likewise.
15456         (print_loop): Likewise.
15457         * tree-chkp-opt.c (chkp_print_addr): Likewise.
15458         (chkp_gather_checks_info): Likewise.
15459         (chkp_get_check_result): Likewise.
15460         (chkp_remove_check_if_pass): Likewise.
15461         (chkp_use_outer_bounds_if_possible): Likewise.
15462         (chkp_reduce_bounds_lifetime): Likewise.
15463         * tree-chkp.c (chkp_register_addr_bounds): Likewise.
15464         (chkp_mark_completed_bounds): Likewise.
15465         (chkp_register_incomplete_bounds): Likewise.
15466         (chkp_mark_invalid_bounds): Likewise.
15467         (chkp_maybe_copy_and_register_bounds): Likewise.
15468         (chkp_build_returned_bound): Likewise.
15469         (chkp_get_bound_for_parm): Likewise.
15470         (chkp_build_bndldx): Likewise.
15471         (chkp_get_bounds_by_definition): Likewise.
15472         (chkp_generate_extern_var_bounds): Likewise.
15473         (chkp_get_bounds_for_decl_addr): Likewise.
15474         * tree-chrec.c (chrec_apply): Likewise.
15475         * tree-data-ref.c (dump_data_reference): Likewise.
15476         (dump_subscript): Likewise.
15477         (dump_data_dependence_relation): Likewise.
15478         (analyze_overlapping_iterations): Likewise.
15479         * tree-inline.c (expand_call_inline): Likewise.
15480         (tree_function_versioning): Likewise.
15481         * tree-into-ssa.c (dump_defs_stack): Likewise.
15482         (dump_currdefs): Likewise.
15483         (dump_names_replaced_by): Likewise.
15484         (dump_update_ssa): Likewise.
15485         (update_ssa): Likewise.
15486         * tree-object-size.c (pass_object_sizes::execute): Likewise.
15487         * tree-parloops.c (build_new_reduction): Likewise.
15488         (try_create_reduction_list): Likewise.
15489         (ref_conflicts_with_region): Likewise.
15490         (oacc_entry_exit_ok_1): Likewise.
15491         (oacc_entry_exit_single_gang): Likewise.
15492         * tree-pretty-print.h: Likewise.
15493         * tree-scalar-evolution.c (set_scalar_evolution): Likewise.
15494         (get_scalar_evolution): Likewise.
15495         (add_to_evolution): Likewise.
15496         (get_loop_exit_condition): Likewise.
15497         (analyze_evolution_in_loop): Likewise.
15498         (analyze_initial_condition): Likewise.
15499         (analyze_scalar_evolution): Likewise.
15500         (instantiate_scev): Likewise.
15501         (number_of_latch_executions): Likewise.
15502         (gather_chrec_stats): Likewise.
15503         (final_value_replacement_loop): Likewise.
15504         (scev_const_prop): Likewise.
15505         * tree-sra.c (dump_access): Likewise.
15506         (disqualify_candidate): Likewise.
15507         (create_access): Likewise.
15508         (reject): Likewise.
15509         (maybe_add_sra_candidate): Likewise.
15510         (create_access_replacement): Likewise.
15511         (analyze_access_subtree): Likewise.
15512         (analyze_all_variable_accesses): Likewise.
15513         (sra_modify_assign): Likewise.
15514         (initialize_constant_pool_replacements): Likewise.
15515         (find_param_candidates): Likewise.
15516         (decide_one_param_reduction): Likewise.
15517         (replace_removed_params_ssa_names): Likewise.
15518         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
15519         * tree-ssa-copy.c (dump_copy_of): Likewise.
15520         (copy_prop_visit_cond_stmt): Likewise.
15521         * tree-ssa-dce.c (mark_operand_necessary): Likewise.
15522         * tree-ssa-dom.c (pass_dominator::execute): Likewise.
15523         (record_equivalences_from_stmt): Likewise.
15524         * tree-ssa-dse.c (compute_trims): Likewise.
15525         (delete_dead_call): Likewise.
15526         (delete_dead_assignment): Likewise.
15527         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond): Likewise.
15528         (forward_propagate_into_cond): Likewise.
15529         (pass_forwprop::execute): Likewise.
15530         * tree-ssa-ifcombine.c (ifcombine_ifandif): Likewise.
15531         * tree-ssa-loop-im.c (invariantness_dom_walker::before_dom_children):
15532         Likewise.
15533         (move_computations_worker): Likewise.
15534         (execute_sm): Likewise.
15535         * tree-ssa-loop-ivcanon.c (tree_estimate_loop_size): Likewise.
15536         (remove_exits_and_undefined_stmts): Likewise.
15537         (remove_redundant_iv_tests): Likewise.
15538         * tree-ssa-loop-ivopts.c (dump_use): Likewise.
15539         (adjust_iv_update_pos): Likewise.
15540         * tree-ssa-math-opts.c (bswap_replace): Likewise.
15541         * tree-ssa-phiopt.c (factor_out_conditional_conversion): Likewise.
15542         (value_replacement): Likewise.
15543         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
15544         * tree-ssa-pre.c (print_pre_expr): Likewise.
15545         (get_representative_for): Likewise.
15546         (create_expression_by_pieces): Likewise.
15547         (insert_into_preds_of_block): Likewise.
15548         (eliminate_insert): Likewise.
15549         (eliminate_dom_walker::before_dom_children): Likewise.
15550         (eliminate): Likewise.
15551         (remove_dead_inserted_code): Likewise.
15552         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
15553         * tree-ssa-reassoc.c (get_rank): Likewise.
15554         (eliminate_duplicate_pair): Likewise.
15555         (eliminate_plus_minus_pair): Likewise.
15556         (eliminate_not_pairs): Likewise.
15557         (undistribute_ops_list): Likewise.
15558         (eliminate_redundant_comparison): Likewise.
15559         (update_range_test): Likewise.
15560         (optimize_range_tests_var_bound): Likewise.
15561         (optimize_vec_cond_expr): Likewise.
15562         (rewrite_expr_tree): Likewise.
15563         (rewrite_expr_tree_parallel): Likewise.
15564         (linearize_expr): Likewise.
15565         (break_up_subtract): Likewise.
15566         (linearize_expr_tree): Likewise.
15567         (attempt_builtin_powi): Likewise.
15568         (attempt_builtin_copysign): Likewise.
15569         (transform_stmt_to_copy): Likewise.
15570         (transform_stmt_to_multiply): Likewise.
15571         (dump_ops_vector): Likewise.
15572         * tree-ssa-sccvn.c (vn_nary_build_or_lookup_1): Likewise.
15573         (print_scc): Likewise.
15574         (set_ssa_val_to): Likewise.
15575         (visit_reference_op_store): Likewise.
15576         (visit_use): Likewise.
15577         (sccvn_dom_walker::before_dom_children): Likewise.
15578         (run_scc_vn): Likewise.
15579         * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr):
15580         Likewise.
15581         (expr_hash_elt::print): Likewise.
15582         (const_and_copies::pop_to_marker): Likewise.
15583         (const_and_copies::record_const_or_copy_raw): Likewise.
15584         * tree-ssa-structalias.c (compute_dependence_clique): Likewise.
15585         * tree-ssa-uninit.c (collect_phi_def_edges): Likewise.
15586         (dump_predicates): Likewise.
15587         (find_uninit_use): Likewise.
15588         (warn_uninitialized_phi): Likewise.
15589         (pass_late_warn_uninitialized::execute): Likewise.
15590         * tree-ssa.c (verify_vssa): Likewise.
15591         (verify_ssa): Likewise.
15592         (maybe_optimize_var): Likewise.
15593         * tree-vrp.c (dump_value_range): Likewise.
15594         (dump_all_value_ranges): Likewise.
15595         (dump_asserts_for): Likewise.
15596         (register_edge_assert_for_2): Likewise.
15597         (vrp_visit_cond_stmt): Likewise.
15598         (vrp_visit_switch_stmt): Likewise.
15599         (vrp_visit_stmt): Likewise.
15600         (vrp_visit_phi_node): Likewise.
15601         (simplify_cond_using_ranges_1): Likewise.
15602         (fold_predicate_in): Likewise.
15603         (evrp_dom_walker::before_dom_children): Likewise.
15604         (evrp_dom_walker::push_value_range): Likewise.
15605         (evrp_dom_walker::pop_value_range): Likewise.
15606         (execute_early_vrp): Likewise.
15607
15608 2017-05-16  Richard Biener  <rguenther@suse.de>
15609
15610         * dwarf2out.c (loc_list_from_tree_1): Do not create
15611         DW_OP_GNU_variable_value for DECL_IGNORED_P decls.
15612
15613 2017-05-16  Richard Biener  <rguenther@suse.de>
15614
15615         * dwarf2out.c (resolve_variable_value_in_expr): Lookup DIE
15616         just generated.
15617         (note_variable_value_in_expr): If we resolved the decl ref
15618         do not push to the stack.
15619
15620 2017-05-16  Matthew Wahab  <matthew.wahab@arm.com>
15621
15622         * config/arm/arm_neon.h (vadd_f16): Use standard arithmetic
15623         operations in fast-math mode.
15624         (vaddq_f16): Likewise.
15625         (vmul_f16): Likewise.
15626         (vmulq_f16): Likewise.
15627         (vsub_f16): Likewise.
15628         (vsubq_f16): Likewise.
15629         * config/arm/neon.md (add<mode>3): New.
15630         (sub<mode>3): New.
15631         (fma:<VH:mode>3): New.  Also remove outdated comment.
15632         (mul<mode>3): New.
15633
15634 2017-05-16  Martin Liska  <mliska@suse.cz>
15635
15636         PR ipa/79849.
15637         PR ipa/79850.
15638         * ipa-devirt.c (warn_types_mismatch): Fix typo.
15639         (odr_types_equivalent_p): Likewise.
15640
15641 2017-05-15  Sylvestre Ledru  <sylvestre@debian.org>
15642
15643         * plugin.c (try_init_one_plugin): Fix ressource leaks (CID 726637).
15644
15645 2017-05-15  Uros Bizjak  <ubizjak@gmail.com>
15646
15647         PR target/80425
15648         * config/i386.i386.md (*zero_extendsidi2): Do not penalize
15649         non-interunit SSE move alternatives with '?'.
15650         (zero-extendsidi peephole2): New peephole to skip intermediate
15651         general register in SSE zero-extend sequence.
15652
15653 2017-05-15  Jeff Law  <law@redhat.com>
15654
15655         * reorg.c (relax_delay_slots): Create a new variable to hold
15656         the temporary target rather than clobbering TARGET_LABEL.
15657
15658         * config/tilegx/tilegx.c (tilegx_expand_unaligned_load): Add
15659         missing argument to extract_bit_field call.
15660         * config/tilepro/tilepro.c (tilepro_expand_unaligned_load): Likewise.
15661
15662 2017-05-15  Martin Liska  <mliska@suse.cz>
15663
15664         PR driver/31468
15665         * gcc.c (process_command): Do not allow empty argument of -o option.
15666
15667 2017-05-15  Renlin Li  <renlin.li@arm.com>
15668
15669         * config/aarch64/aarch64-protos.h (aarch64_expand_call): Declare.
15670         * config/aarch64/aarch64.c (aarch64_expand_call): Define.
15671         * config/aarch64/constraints.md (Usf): Add long call check.
15672         * config/aarch64/aarch64.md (call): Use aarch64_expand_call.
15673         (call_value): Likewise.
15674         (sibcall): Likewise.
15675         (sibcall_value): Likewise.
15676         (call_insn): New.
15677         (call_value_insn): New.
15678         (sibcall_insn): Update rtx pattern.
15679         (sibcall_value_insn): Likewise.
15680         (call_internal): Remove.
15681         (call_value_internal): Likewise.
15682         (sibcall_internal): Likewise.
15683         (sibcall_value_internal): Likewise.
15684         (call_reg): Likewise.
15685         (call_symbol): Likewise.
15686         (call_value_reg): Likewise.
15687         (call_value_symbol): Likewise.
15688
15689 2017-05-14  Krister Walfridsson  <krister.walfridsson@gmail.com>
15690
15691         PR target/80600
15692         * config/netbsd.h (NETBSD_LIBGCC_SPEC): Always add -lgcc.
15693
15694 2017-05-14  Uros Bizjak  <ubizjak@gmail.com>
15695
15696         * config/i386.i386.c (ix86_cc_modes_compatible): CCNOmode is
15697         compatible with CCGOCmode and with CCZmode.
15698
15699 2017-05-14  Martin Sebor  <msebor@redhat.com>
15700
15701         PR middle-end/77671
15702         * gimple-fold.c (gimple_fold_builtin_sprintf): Make extern.
15703         (gimple_fold_builtin_snprintf): Same.
15704         * gimple-fold.h (gimple_fold_builtin_sprintf): Declare.
15705         (gimple_fold_builtin_snprintf): Same.
15706         * gimple-ssa-sprintf.c (get_format_string): Correct the detection
15707         of character types.
15708         (is_call_safe): New function.
15709         (try_substitute_return_value): Call it.
15710         (try_simplify_call): New function.
15711         (pass_sprintf_length::handle_gimple_call): Call it.
15712
15713 2017-05-14  Martin Sebor  <msebor@redhat.com>
15714
15715         PR middle-end/80669
15716         * builtins.c (expand_builtin_stpncpy): Simplify.
15717
15718 2017-05-14  Daniel Santos  <daniel.santos@pobox.com>
15719
15720         * config/i386/i386.opt: Add option -mcall-ms2sysv-xlogues.
15721         * config/i386/i386.h
15722         (x86_64_ms_sysv_extra_clobbered_registers): Change type to unsigned.
15723         (NUM_X86_64_MS_CLOBBERED_REGS): New macro.
15724         (struct machine_function): Add new members call_ms2sysv,
15725         call_ms2sysv_pad_in, call_ms2sysv_pad_out and call_ms2sysv_extra_regs.
15726         (struct machine_frame_state): New fields sp_realigned and
15727         sp_realigned_offset.
15728         * config/i386/i386.c
15729         (enum xlogue_stub): New enum.
15730         (enum xlogue_stub_sets): New enum.
15731         (class xlogue_layout): New class.
15732         (struct ix86_frame): New fields stack_realign_allocate_offset,
15733         stack_realign_offset and outlined_save_offset.  Modify comments to
15734         detail stack layout when using out-of-line stubs.
15735         (ix86_target_string): Add -mcall-ms2sysv-xlogues option.
15736         (ix86_option_override_internal): Add sorry() for TARGET_SEH and
15737         -mcall-ms2sysv-xlogues.
15738         (stub_managed_regs): New static variable.
15739         (ix86_save_reg): Add new parameter ignore_outlined to optionally omit
15740         registers managed by out-of-line stub.
15741         (disable_call_ms2sysv_xlogues): New function.
15742         (ix86_compute_frame_layout): Modify re-alignment calculations, disable
15743         m->call_ms2sysv when appropriate and compute frame layout for
15744         out-of-line stubs.
15745         (sp_valid_at, fp_valid_at): New inline functions.
15746         (choose_basereg): New function.
15747         (choose_baseaddr): Add align parameter, use choose_basereg and modify
15748         all callers.
15749         (ix86_emit_save_reg_using_mov, ix86_emit_restore_sse_regs_using_mov):
15750         Use align parameter of choose_baseaddr to generated aligned SSE movs
15751         when possible.
15752         (pro_epilogue_adjust_stack): Modify to track
15753         machine_frame_state::sp_realigned.
15754         (ix86_nsaved_regs): Modify to accommodate changes to ix86_save_reg.
15755         (ix86_nsaved_sseregs): Likewise.
15756         (ix86_emit_save_regs): Likewise.
15757         (ix86_emit_save_regs_using_mov): Likewise.
15758         (ix86_emit_save_sse_regs_using_mov): Likewise.
15759         (get_scratch_register_on_entry): Likewise.
15760         (gen_frame_set): New function.
15761         (gen_frame_load): Likewise.
15762         (gen_frame_store): Likewise.
15763         (emit_outlined_ms2sysv_save): Likewise.
15764         (emit_outlined_ms2sysv_restore): Likewise.
15765         (ix86_expand_prologue): Modify stack re-alignment code and call
15766         emit_outlined_ms2sysv_save when appropriate.
15767         (ix86_emit_leave): Clear machine_frame_state::sp_realigned.  Add
15768         parameter rtx_insn *insn, which allows the function to be used to only
15769         generate the notes.
15770         (ix86_expand_epilogue): Modify validity checks of frame and stack
15771         pointers, and call emit_outlined_ms2sysv_restore when appropriate.
15772         (ix86_expand_call): Modify to enable m->call_ms2sysv when appropriate.
15773         * config/i386/predicates.md
15774         (save_multiple): New predicate.
15775         (restore_multiple): Likewise.
15776         * config/i386/sse.md
15777         (save_multiple<mode>): New pattern.
15778         (save_multiple_realign<mode>): Likewise.
15779         (restore_multiple<mode>): Likewise.
15780         (restore_multiple_and_return<mode>): Likewise.
15781         (restore_multiple_leave_return<mode>): Likewise.
15782         * Makefile.in: Export HOSTCXX and HOSTCXXFLAGS to site.exp
15783
15784 2017-05-14  Julia Koval  <julia.koval@intel.com>
15785
15786         * config/i386/i386-builtin-types.def (VOID_FTYPE_INT_INT64): New type.
15787         * config/i386/i386-builtin.def (__builtin_ia32_xgetbv)
15788         (__builtin_ia32_xsetbv): New builtins.
15789         * config/i386/i386.c (ix86_expand_special_args_builtin):
15790         Process new types.
15791         (ix86_expand_builtin): Special expand for new intrinsics.
15792         * config/i386/i386.md (UNSPECV_XGETBV, UNSPECV_XSETBV): New.
15793         (xsetbv, xsetbv_rex64, xgetbv, xgetbv_rex64): New insn patterns.
15794         * config/i386/xsaveintrin.h (_xsetbv, _getbv): New intrinsics.
15795
15796 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15797
15798         * cfganal.c (inverted_post_order_compute): Change argument type
15799         to vec *.
15800         * cfganal.h (inverted_post_order_compute): Adjust prototype.
15801         * df-core.c (rest_of_handle_df_initialize): Adjust.
15802         (rest_of_handle_df_finish): Likewise.
15803         (df_analyze_1): Likewise.
15804         (df_analyze): Likewise.
15805         (loop_inverted_post_order_compute): Change argument to be a vec *.
15806         (df_analyze_loop): Adjust.
15807         (df_get_n_blocks): Likewise.
15808         (df_get_postorder): Likewise.
15809         * df.h (struct df_d): Change field to be a vec.
15810         * lcm.c (compute_laterin): Adjust.
15811         (compute_available): Likewise.
15812         * lra-lives.c (lra_create_live_ranges_1): Likewise.
15813         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15814         * tree-ssa-pre.c (compute_antic): Likewise.
15815
15816 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15817
15818         * cfganal.c (connect_infinite_loops_to_exit): Adjust.
15819         (depth_first_search::depth_first_search): Change structure init
15820         function to this constructor.
15821         (depth_first_search::add_bb): Rename function to this member.
15822         (depth_first_search::execute): Likewise.
15823         (flow_dfs_compute_reverse_finish): Adjust.
15824
15825 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15826
15827         * ddg.c (find_nodes_on_paths): Use auto_sbitmap.
15828         (longest_simple_path): Likewise.
15829         * shrink-wrap.c (spread_components): Likewise.
15830         (disqualify_problematic_components): Likewise.
15831         (emit_common_heads_for_components): Likewise.
15832         (emit_common_tails_for_components): Likewise.
15833         (insert_prologue_epilogue_for_components): Likewise.
15834
15835 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15836
15837         * tree-ssa-dse.c (dse_dom_walker): Make m_live_byes a
15838         auto_sbitmap.
15839
15840 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15841
15842         * df-core.c (df_set_blocks): Start using auto_bitmap.
15843         (df_compact_blocks): Likewise.
15844         * df-problems.c (df_rd_confluence_n): Likewise.
15845         * df-scan.c (df_insn_rescan_all): Likewise.
15846         (df_process_deferred_rescans): Likewise.
15847         (df_update_entry_block_defs): Likewise.
15848         (df_update_exit_block_uses): Likewise.
15849         (df_entry_block_bitmap_verify): Likewise.
15850         (df_exit_block_bitmap_verify): Likewise.
15851         (df_scan_verify): Likewise.
15852         * lra-constraints.c (lra_constraints): Likewise.
15853         (undo_optional_reloads): Likewise.
15854         (lra_undo_inheritance): Likewise.
15855         * lra-remat.c (calculate_gen_cands): Likewise.
15856         (do_remat): Likewise.
15857         * lra-spills.c (assign_spill_hard_regs): Likewise.
15858         (spill_pseudos): Likewise.
15859         * tree-ssa-pre.c (bitmap_set_and): Likewise.
15860         (bitmap_set_subtract_values): Likewise.
15861
15862 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15863
15864         * haifa-sched.c (estimate_shadow_tick): Replace manual bitmap
15865         management with auto_bitmap.
15866         (fix_inter_tick): Likewise.
15867         (fix_recovery_deps): Likewise.
15868         * ira.c (add_store_equivs): Likewise.
15869         (find_moveable_pseudos): Likewise.
15870         (split_live_ranges_for_shrink_wrap): Likewise.
15871         * print-rtl.c (rtx_reuse_manager::rtx_reuse_manager): Likewise.
15872         (rtx_reuse_manager::seen_def_p): Likewise.
15873         (rtx_reuse_manager::set_seen_def): Likewise.
15874         * print-rtl.h (class rtx_reuse_manager): Likewise.
15875
15876 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15877
15878         * bt-load.c (combine_btr_defs): Use auto_bitmap to manage bitmap
15879         lifetime.
15880         (migrate_btr_def): Likewise.
15881         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
15882         * df-core.c (loop_post_order_compute): Likewise.
15883         (loop_inverted_post_order_compute): Likewise.
15884         * hsa-common.h: Likewise.
15885         * hsa-gen.c (hsa_bb::~hsa_bb): Likewise.
15886         * init-regs.c (initialize_uninitialized_regs): Likewise.
15887         * ipa-inline.c (resolve_noninline_speculation): Likewise.
15888         (inline_small_functions): Likewise.
15889         * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise.
15890         * ira.c (combine_and_move_insns): Likewise.
15891         (build_insn_chain): Likewise.
15892         * loop-invariant.c (find_invariants): Likewise.
15893         * lower-subreg.c (propagate_pseudo_copies): Likewise.
15894         * predict.c (tree_predict_by_opcode): Likewise.
15895         (predict_paths_leading_to): Likewise.
15896         (predict_paths_leading_to_edge): Likewise.
15897         (estimate_loops_at_level): Likewise.
15898         (estimate_loops): Likewise.
15899         * shrink-wrap.c (try_shrink_wrapping): Likewise.
15900         (spread_components): Likewise.
15901         * tree-cfg.c (remove_edge_and_dominated_blocks): Likewise.
15902         * tree-loop-distribution.c (rdg_build_partitions): Likewise.
15903         * tree-predcom.c (tree_predictive_commoning_loop): Likewise.
15904         * tree-ssa-coalesce.c (coalesce_ssa_name): Likewise.
15905         * tree-ssa-phionlycprop.c (pass_phi_only_cprop::execute): Likewise.
15906         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15907         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Likewise.
15908         * tree-ssa-threadupdate.c (compute_path_counts): Likewise.
15909         (mark_threaded_blocks): Likewise.
15910         (thread_through_all_blocks): Likewise.
15911         * tree-ssa.c (verify_ssa): Likewise.
15912         (execute_update_addresses_taken): Likewise.
15913         * tree-ssanames.c (verify_ssaname_freelists): Likewise.
15914
15915 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15916
15917         * cfganal.c (mark_dfs_back_edges): Replace manual stack with
15918         auto_vec.
15919         (post_order_compute): Likewise.
15920         (inverted_post_order_compute): Likewise.
15921         (pre_and_rev_post_order_compute_fn): Likewise.
15922
15923 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15924
15925         * genrecog.c (int_set::int_set): Explicitly construct our
15926         auto_vec base class.
15927         * vec.h (auto_vec::auto_vec): New constructor.
15928
15929 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15930
15931         * bitmap.h (class auto_bitmap): New constructor taking
15932         bitmap_obstack * argument.
15933
15934 2017-05-13  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
15935
15936         * bitmap.h (class auto_bitmap): Change type of m_bits to
15937         bitmap_head, and adjust ctor / dtor and member operators.
15938
15939 2017-05-13  Uros Bizjak  <ubizjak@gmail.com>
15940
15941         * compare-elim.c (equivalent_reg_at_start): Return NULL_RTX
15942         when returned register mode doesn't match original mode.
15943
15944 2017-05-12  Jeff Law  <law@redhat.com>
15945             Jakub Jelinek  <jakub@redhat.com>
15946
15947         * config/mn10300/mn10300.c (mn10300_match_ccmode): Fix where
15948         we look for cc setter after the compare-elim changes.
15949         * config/mn10300/mn10300.md (addsi3_flags): Fix order of patterns
15950         within the vector to match what compare-elim now expects.
15951         (subsi3_flags, andsi3_flags, iorsi3_flags): Likewise.
15952         (xorsi3_flags, one_cmplsi2_flags): Likewise.
15953
15954         * config/rx/rx.c (rx_match_ccmode): Fix where we look cc setter
15955         after the compare-elim changes.
15956         * config/rx/rx.md (abssi2_flags): Fix order of patterns within
15957         the vector to match what compare-elim now expects.
15958         (addsi3_flags, adc_flags, addsi3_flags peepholes): Likewise.
15959         (andsi3_flags, negsi2_flags, one_cmplsi2_flags): Likewise.
15960         (iorsi3_flags, rotlsi3_flags, rotrsi3_flags): Likewise.
15961         (ashrsi3_flags, lshrsi3_flags, ashlsi3_flags): Likewise.
15962         (ssaddsi3, subsi3_flags, sbb_flags, xorsi3_flags): Likewise.
15963
15964         * config/visium/visium.c (single_set_and_flags): Fix where
15965         we look for cc setter after the compare-elim changes.
15966         * config/visium/visium.md (flags_subst_logic): Fix order of patterns
15967         with the vector to match what compare-elim now expects.
15968         (flags_subst_arith, add<mode>3_insn_set_carry): Likewise.
15969         (add<mode>3_insn_set_overflow, addsi3_insn_set_carry): Likewise.
15970         (addsi3_insn_set_overflow, sub<mode>3_insn_set_carry): Likewise.
15971         (sub<mode>3_insn_set_overflow, subsi3_insn_set_carry): Likewise.
15972         (subsi3_insn_set_overflow, negsi2_insn_set_carry): Likewise.
15973         (neg<mode>2_insn_set_overflow): Likewise.
15974
15975 2017-05-12  Jim Wilson  <jim.wilson@linaro.org>
15976
15977         PR middle-end/79794
15978         * expmed.c (extract_bit_field_1): Add alt_rtl argument.  Before
15979         maybe_expand_insn call, set ops[0].target.  If still set after call,
15980         set alt_rtl.  Add extra arg to recursive calls.
15981         (extract_bit_field): Add alt_rtl argument.  Pass to
15982         extract_bit_field.
15983         * expmed.h (extract_bit_field): Fix prototype.
15984         * expr.c (emit_group_load_1, copy_blkmode_from_reg)
15985         (copy_blkmode_to_reg, read_complex_part, store_field): Pass extra NULL
15986         to extract_bit_field_calls.
15987         (expand_expr_real_1): Pass alt_rtl to expand_expr_real instead of 0.
15988         Pass alt_rtl to extract_bit_field calls.
15989         * calls.c (store_unaligned_arguments_into_psuedos)
15990         load_register_parameters): Pass extra NULL to extract_bit_field calls.
15991         * optabs.c (maybe_legitimize_operand): Clear op->target when call
15992         gen_reg_rtx.
15993         * optabs.h (struct expand_operand): Add target bitfield.
15994
15995 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
15996
15997         * compare-elim.c (try_eliminate_compare): Canonicalize
15998         operation with embedded compare to
15999         [(set (reg:CCM) (compare:CCM (operation) (immediate)))
16000          (set (reg) (operation)].
16001
16002         * config/i386/i386.c (TARGET_FLAGS_REGNUM): New define.
16003
16004 2017-05-12  Uros Bizjak  <ubizjak@gmail.com>
16005
16006         PR target/80723
16007         * config/i386/i386.c (ix86_rtx_cost) [case PLUS]: Ignore the
16008         cost of adding a carry flag for ADC instruction.
16009         [case MINUS]: Ignore the cost of subtracting a carry flag
16010         for SBB instruction.
16011
16012 2017-05-12  Steven Munroe  <munroesj@gcc.gnu.org>
16013
16014         * config.gcc (powerpc*-*-*): Add bmi2intrin.h, bmiintrin.h,
16015         and x86intrin.h
16016         * config/rs6000/bmiintrin.h: New file.
16017         * config/rs6000/bmi2intrin.h: New file.
16018         * config/rs6000/x86intrin.h: New file.
16019
16020 2017-05-12  Jeff Law  <law@redhat.com>
16021
16022         * tree-vrp.c (vrp_dom_walker::before_dom_children): Push unwinding
16023         markers.
16024
16025 2017-05-12  Peter Bergner  <bergner@vnet.ibm.com>
16026
16027         PR middle-end/80707
16028         * tree-cfg.c: Remove cfg edges of unreachable case statements.
16029
16030 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16031
16032         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16033         early expansion of vector divide builtins.
16034         (builtin_function_type): Add VSX_BUILTIN_UDIV_V2DI to the list of
16035         builtins identified as having unsigned arguments.
16036
16037 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16038
16039         * config/rs6000/rs6000.c (gimple-fold.h): New #include.
16040         (rs6000_gimple_fold_builtin): Add handling for early GIMPLE
16041         expansion of vector logical operations (and, andc, or, xor,
16042         nor, orc, nand).
16043
16044 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16045
16046         * gimple-fold.c (create_tmp_reg_or_ssa_name): Remove static declaration.
16047         * gimple-fold.h (create_tmp_reg_or_ssa_name): New prototype.
16048
16049 2017-05-12  Will Schmidt  <will_schmidt@vnet.ibm.com>
16050
16051         * config/rs6000/rs6000.c (rs6000_gimple_fold_builtin): Add handling for
16052         early GIMPLE expansion of vector multiplies.
16053
16054 2017-05-12  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16055
16056         * config/arm/arm.md (movsi): Add TARGET_32BIT in addition to the
16057         TARGET_HAVE_MOVT conditional.
16058         (movt splitter): Likewise.
16059
16060 2017-05-12  Richard Biener  <rguenther@suse.de>
16061
16062         * tree-ssa-sccvn.h (has_VN_INFO): Declare.
16063         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16064         Fold all stmts not inplace.
16065
16066 2017-05-12  Richard Biener  <rguenther@suse.de>
16067
16068         PR tree-optimization/80713
16069         * tree-ssa-pre.c (remove_dead_inserted_code): Clear
16070         inserted_exprs bit for not removed stmts.
16071
16072 2017-05-12  Thomas Schwinge  <thomas@codesourcery.com>
16073
16074         PR middle-end/69921
16075         * tree-parloops.c (create_parallel_loop): Set "oacc kernels
16076         parallelized" attribute for parallelized OpenACC kernels.
16077         * omp-offload.c (execute_oacc_device_lower): Use it.
16078
16079         * omp-expand.c (expand_omp_target) <GF_OMP_TARGET_KIND_OACC_KERNELS>:
16080         Set "oacc kernels" attribute.
16081         * omp-general.c (oacc_set_fn_attrib): Remove is_kernel formal
16082         parameter.  Adjust all users.
16083         (oacc_fn_attrib_kernels_p): Remove function.
16084         * omp-offload.c (execute_oacc_device_lower): Look for "oacc
16085         kernels" attribute instead of calling oacc_fn_attrib_kernels_p.
16086         * tree-ssa-loop.c (gate_oacc_kernels): Likewise.
16087         * tree-parloops.c (create_parallel_loop): If oacc_kernels_p,
16088         assert "oacc kernels" attribute is set.
16089
16090 2017-05-11  Carl Love  <cel@us.ibm.com>
16091
16092         * config/rs6000/rs6000-c: Add support for built-in functions
16093         vector unsigned char vec_popcnt (vector signed char)
16094         vector unsigned char vec_popcnt (vector unsigned char)
16095         vector unsigned short vec_popcnt (vector signed short)
16096         vector unsigned short vec_popcnt (vector unsigned short)
16097         vector unsigned int vec_popcnt (vector signed int)
16098         vector unsigned int vec_popcnt (vector unsigned int)
16099         vector unsigned long long vec_popcnt (vector signed long long)
16100         vector unsigned long long vec_popcnt (vector unsigned long long)
16101         vector signed long long vec_slo (vector signed long long,
16102                                          vector signed char)
16103         vector signed long long vec_slo (vector signed long long,
16104                                          vector unsigned char)
16105         vector unsigned long long vec_slo (vector unsigned long long,
16106                                            vector signed char)
16107         vector unsigned long long vec_slo (vector unsigned long long,
16108                                            vector unsigned char)
16109         * config/rs6000/rs6000-builtin.def: Add definitions for VPOPCNTUB,
16110         VPOPCNTUH, VPOPCNTUW, and VPOPCNTUD overloads.
16111         * config/rs6000/altivec.h: Add define for vec_popcnt, vec_popcntb,
16112         vec_popcnth, vec_popcntw and vec_popcntd built-in functions.
16113         * doc/extend.texi: Update the built-in documentation file for the
16114         new built-in functions.
16115
16116 2017-05-11  Michael Meissner  <meissner@linux.vnet.ibm.com>
16117
16118         * attribs.h (sorted_attr_string): Move machine independent
16119         functions for target clone support from the i386 port to common
16120         code.  Rename ix86_function_versions to common_function_versions.
16121         Rename make_name to make_unique_name.
16122         (common_function_versions): Likewise.
16123         (make_unique_name): Likewise.
16124         (make_dispatcher_decl): Likewise.
16125         (is_function_default_version): Likewise.
16126         * attribs.c (attr_strcmp): Likewise.
16127         (sorted_attr_string): Likewise.
16128         (common_function_versions): Likewise.
16129         (make_unique_name): Likewise.
16130         (make_dispatcher_decl): Likewise.
16131         (is_function_default_version): Likewise.
16132         * config/i386/i386.c (attr_strcmp): Likewise.
16133         (sorted_attr_string): Likewise.
16134         (ix86_function_versions): Likewise.
16135         (make_name): Likewise.
16136         (make_dispatcher_decl): Likewise.
16137         (is_function_default_version): Likewise.
16138         (TARGET_OPTION_FUNCTION_VERSIONS): Update target function hook.
16139
16140 2017-05-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16141
16142         PR target/80695
16143         * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost):
16144         Account for direct move costs for vec_construct of integer
16145         vectors.
16146
16147 2017-05-11  Uros Bizjak  <ubizjak@gmail.com>
16148
16149         PR target/80706
16150         * config/i386/sync.md (UNSPEC_LDX_ATOMIC): New unspec.
16151         (UNSPEC_STX_ATOMIC): Ditto.
16152         (loaddi_via_sse): New insn.
16153         (storedi_via_sse): Ditto.
16154         (atomic_loaddi_fpu): Emit loaddi_via_sse and storedi_via_sse.
16155         Update corresponding peephole2 patterns.
16156         (atomic_storedi_fpu): Ditto.
16157
16158 2017-05-11  Julia Koval  <julia.koval@intel.com>
16159
16160         * config/i386/avx512fintrin.h (_mm_mask_rsqrt14_sd)
16161         (_mm_maskz_rsqrt14_sd, _mm_mask_rsqrt14_ss, _mm_maskz_rsqrt14_ss):
16162         New intrinsics.
16163         * config/i386/i386-builtin.def (__builtin_ia32_rsqrt14sd_mask)
16164         (__builtin_ia32_rsqrt14ss_mask): New builtins.
16165         * config/i386/sse.md (rsqrt14_<mode>_mask): New pattern.
16166
16167 2017-05-11  Nathan Sidwell  <nathan@acm.org>
16168
16169         * graphite-poly.c: Include dumpfile.h.
16170
16171         * dumpfle.h (dump_function): Declare here ...
16172         * tree-dump.h (dump_function): ... not here.
16173         * dumpfile.c: #include tree-cfg.h.
16174         (dump_function): Move here from ...
16175         * tree-dump.c (dump_function): ... here.
16176         * gimplify.c: #include splay-tree.h, not tree-dump.h.
16177         * graphite-poly.c: Don't include tree-dump.h.
16178         * cgraphclones.c: Include dumpfile.h not tree-dump.h.
16179         * print-tree.c: Likewise.
16180         * stor-layout.c: Likewise.
16181         * tree-nested.c: Likewise.
16182
16183         * dumpfile.c (dump_start): Use TDF_FLAGS.
16184         (dump_enable_all): Fix TDF_KIND check thinko.
16185
16186 2017-05-11  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16187
16188         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16189         array entries to represent two legal parameterizations of the
16190         overloaded __builtin_cmpb function, as represented by the
16191         P6_OV_BUILTIN_CMPB constant.
16192         (altivec_resolve_overloaded_builtin): Add special case handling
16193         for the __builtin_cmpb function, as represented by the
16194         P6_OV_BUILTIN_CMPB constant.
16195         * config/rs6000/rs6000-builtin.def (BU_P6_2): New macro.
16196         (BU_P6_64BIT_2): New macro.
16197         (BU_P6_OVERLOAD_2): New macro
16198         (CMPB_32): Add 32-bit compare-bytes support for 32-bit only targets.
16199         (CMPB): Add 64-bit compare-bytes support for 32-bit and 64-bit targets.
16200         (CMPB): Add overload support to represent both 32-bit and 64-bit
16201         compare-bytes function.
16202         * config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
16203         support for TARGET_CMPB.
16204         * config/rs6000/rs6000.h: Add support for RS6000_BTM_CMPB.
16205         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
16206         documentation of the __builtin_cmpb overloaded built-in function.
16207
16208 2017-05-11  Richard Biener  <rguenther@suse.de>
16209
16210         PR tree-optimization/80705
16211         * tree-vect-data-refs.c (vect_analyze_data_refs): DECL_NONALIASED
16212         bases are not vectorizable.
16213
16214 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16215
16216         * tree-ssa-loop-ivopts.c (determine_set_costs): Skip non-interger
16217         when counting register pressure.
16218
16219 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16220
16221         * tree-ssa-loop-ivopts.c (compare_cost_pair): New.
16222         (iv_ca_more_deps): Renamed to ...
16223         (iv_ca_compare_deps): ... this.
16224         (iv_ca_extend): Extend iv_ca if NEW_CP is cheaper than OLD_CP.
16225
16226 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16227
16228         * tree-ssa-loop-ivopts.c (find_interesting_uses): Move inv vars dump
16229         to ...
16230         (determine_group_iv_costs): ... here.
16231         (find_inv_vars_cb): Record inv var if it's not recorded before.
16232
16233 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16234
16235         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): Refine comments.
16236         (get_shiftadd_cost): Ditto.
16237
16238 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16239
16240         * tree-ssa-address.c: Include header file.
16241         (move_hint_to_base): Return TRUE if BASE_HINT is moved to memory
16242         address.
16243         (add_to_parts): Refactor.
16244         (addr_to_parts): New parameter.  Update use of move_hint_to_base.
16245         (create_mem_ref): Update use of addr_to_parts.  Re-associate addr
16246         in new order.
16247
16248 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16249
16250         PR tree-optimization/53090
16251         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New enum value
16252         COMP_IV_EXPR_2.
16253         (extract_cond_operands): Detect condition with IV on both sides
16254         and return COMP_IV_EXPR_2.
16255         (find_interesting_uses_cond): Add iv_use for both IVs in condition.
16256         (rewrite_use_compare): Simplify by removing call to function
16257         extract_cond_operands.
16258
16259 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16260
16261         * tree-ssa-loop-ivopts.c (enum comp_iv_rewrite): New.
16262         (extract_cond_operands): Detect condition comparing against non-
16263         invariant bound and return appropriate enum value.
16264         (find_interesting_uses_cond): Update use of extract_cond_operands.
16265         Handle its return value accordingly.
16266         (determine_group_iv_cost_cond, rewrite_use_compare): Ditto.
16267
16268 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16269
16270         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Re-associate
16271         nonlinear iv_use computation in loop invariant sensitive way.
16272
16273 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16274
16275         * tree-ssa-loop-ivopts.c (relate_compare_use_with_all_cands): New.
16276         (find_iv_candidates): Call relate_compare_use_with_all_cands.
16277
16278 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16279
16280         * tree-ssa-loop-ivopts.c (struct iv_cand): New field inv_exprs.
16281         (dump_cand): Support iv_cand.inv_exprs.
16282         (add_candidate_1): Record invariant exprs in iv_cand.inv_exprs
16283         for candidates.
16284         (iv_ca_set_no_cp, iv_ca_set_cp, free_loop_data): Support
16285         iv_cand.inv_exprs.
16286
16287 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16288
16289         * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Move
16290         from ...
16291         * tree-ssa-address.c (multiplier_allowed_in_address_p): ... to here
16292         as local function.  Include necessary header files.
16293         * tree-ssa-loop-ivopts.h (multiplier_allowed_in_address_p): Delete.
16294
16295 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16296
16297         * tree-ssa-loop-ivopts.c (autoinc_possible_for_pair): Simplify.
16298
16299 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16300
16301         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Handle more
16302         operators: TRUNC_DIV_EXPR, BIT_AND_EXPR, BIT_IOR_EXPR, LSHIFT_EXPR,
16303         RSHIFT_EXPR and BIT_NOT_EXPR.
16304
16305 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16306
16307         * tree-ssa-loop-ivopts.c (get_loop_invariant_expr): Simplify.
16308         (adjust_setup_cost): New parameter supporting round up adjustment.
16309         (struct address_cost_data): Delete.
16310         (force_expr_to_var_cost): Don't bound cost with spill_cost.
16311         (split_address_cost, ptr_difference_cost): Delete.
16312         (difference_cost, compare_aff_trees, record_inv_expr): Delete.
16313         (struct ainc_cost_data): New struct.
16314         (get_address_cost_ainc): New function.
16315         (get_address_cost, get_computation_cost): Reimplement.
16316         (determine_group_iv_cost_address): Record inv_expr for all uses of
16317         a group.
16318         (determine_group_iv_cost_cond): Call get_loop_invariant_expr.
16319         (iv_ca_has_deps): Reimplemented to ...
16320         (iv_ca_more_deps): ... this.  Check if NEW_CP introduces more deps
16321         than OLD_CP.
16322         (iv_ca_extend): Call iv_ca_more_deps.
16323
16324 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16325
16326         * tree-ssa-address.c (struct mem_address): Move to header file.
16327         (valid_mem_ref_p, move_fixed_address_to_symbol): Make it global.
16328         * tree-ssa-address.h (struct mem_address): Move from C file.
16329         (valid_mem_ref_p, move_fixed_address_to_symbol): Declare.
16330
16331 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16332
16333         * tree-affine.h (aff_combination_type): New interface.
16334         (aff_combination_zero_p): Remove static.
16335         (aff_combination_const_p): New interface.
16336         (aff_combination_singleton_var_p): New interfaces.
16337
16338 2017-05-11  Richard Biener  <rguenther@suse.de>
16339
16340         * tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
16341         Skip unreachable blocks and destinations.
16342         (eliminate): Move stmt removal and fixup ...
16343         (fini_eliminate): ... here.  Skip inserted exprs.
16344         (pass_pre::execute): Move fini_pre after fini_eliminate.
16345         * tree-ssa-tailmerge.c: Include tree-cfgcleanup.h.
16346         (tail_merge_optimize): Run cleanup_tree_cfg if requested by
16347         PRE to get rid of dead code that has invalid SSA form and
16348         split critical edges again.
16349
16350 2017-05-11  Bin Cheng  <bin.cheng@arm.com>
16351
16352         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
16353
16354 2017-05-11  Richard Biener  <rguenther@suse.de>
16355
16356         * passes.c (execute_function_todo): Verify loops if they are
16357         said to be up-to-date.
16358         * cfgexpand.c (pass_expand::execute): Discard loops for -dx.
16359         * trans-mem.c (pass_tm_edges::execute): Mark loops for fixup.
16360
16361 2017-05-10  John David Anglin  <danglin@gcc.gnu.org>
16362
16363         PR target/80090
16364         * config/pa/pa.c (pa_assemble_integer): When outputting a SYMBOL_REF,
16365         handle calling assemble_external ourself.
16366
16367         PR target/79027
16368         * config/pa/pa.c (pa_cannot_change_mode_class): Reject changes to/from
16369         modes with zero size.  Enhance comment.
16370
16371 2017-05-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16372
16373         * config/rs6000/rs6000.c (altivec_init_builtins): Define POWER8
16374         built-ins for vec_xl and vec_xst with short and char pointer
16375         arguments.
16376
16377 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16378
16379         * config/i386/avx512fintrin.h (_mm_mask_max_round_sd)
16380         (_mm_maskz_max_round_sd, _mm_mask_max_round_ss)
16381         (_mm_maskz_max_round_ss, _mm_mask_min_round_sd)
16382         (_mm_maskz_min_round_sd, _mm_mask_min_round_ss)
16383         (_mm_maskz_min_round_ss): New intrinsics.
16384         * config/i386/i386-builtin-types.def (V2DF, V2DF, V2DF, V2DF, UQI, INT)
16385         (V4SF, V4SF, V4SF, V4SF, UQI, INT): New function type aliases.
16386         * config/i386/i386-builtin.def (__builtin_ia32_maxsd_mask_round)
16387         (__builtin_ia32_maxss_mask_round, __builtin_ia32_minsd_mask_round)
16388         (__builtin_ia32_minss_mask_round): New builtins.
16389         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16390         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16391         * config/i386/sse.md (<sse>_vm<code><mode>3<round_saeonly_name>):
16392         Rename to ...
16393         (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): ... this.
16394         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_op3>%2, %1, %0|%0, %1, %<iptr>2<round_saeonly_op3>}):
16395         Change to ...
16396         (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}):
16397         ... this.
16398
16399 2017-05-10  Sebastian Peryt  <sebastian.peryt@intel.com>
16400
16401         * config/i386/avx512fintrin.h (_mm_mask_mul_round_sd)
16402         (_mm_maskz_mul_round_sd, _mm_mask_mul_round_ss)
16403         (_mm_maskz_mul_round_ss, _mm_mask_div_round_sd)
16404         (_mm_maskz_div_round_sd, _mm_mask_div_round_ss)
16405         (_mm_maskz_div_round_ss, _mm_mask_mul_sd, _mm_maskz_mul_sd)
16406         (_mm_mask_mul_ss, _mm_maskz_mul_ss, _mm_mask_div_sd)
16407         (_mm_maskz_div_sd, _mm_mask_div_ss, _mm_maskz_div_ss): New intrinsics.
16408         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16409         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
16410         * config/i386/i386-builtin.def (__builtin_ia32_divsd_mask_round)
16411         (__builtin_ia32_divss_mask_round, __builtin_ia32_mulsd_mask_round)
16412         (__builtin_ia32_mulss_mask_round): New builtins.
16413         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
16414         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
16415         * config/i386/sse.md (<sse>_vm<multdiv_mnemonic><mode>3<round_name>):
16416         Rename to ...
16417         (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): ... this.
16418         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
16419         Change to ...
16420         (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
16421         ... this.
16422
16423 2017-05-10  Julia Koval  <julia.koval@intel.com>
16424
16425         * config/i386/avxintrin.h (_mm256_set_m128, _mm256_set_m128d)
16426         (_mm256_set_m128i, _mm256_setr_m128, _mm256_setr_m128d)
16427         (_mm256_setr_m128i): New intrinsics.
16428
16429 2017-05-10  Julia Koval  <julia.koval@intel.com>
16430
16431         * config/i386/avx512fintrin.h (_mm_mask_rcp14_sd)
16432         (_mm_maskz_rcp14_sd, _mm_mask_rcp14_ss)
16433         (_mm_maskz_rcp14_ss): New intrinsics.
16434         * config/i386/i386-builtin.def (__builtin_ia32_rcp14sd_mask)
16435         (__builtin_ia32_rcp14ss_mask): New builtins.
16436         * config/i386/sse.md (srcp14<mode>_mask): New pattern.
16437
16438 2017-05-10  Peter Bergner  <bergner@vnet.ibm.com>
16439
16440         PR tree-optimization/51513
16441         * tree-cfg.c (gimple_seq_unreachable_p): New function.
16442         (assert_unreachable_fallthru_edge_p): Use it.
16443         (group_case_labels_stmt): Likewise.
16444         * tree-cfg.h: Prototype it.
16445         * stmt.c: Include cfghooks.h and tree-cfg.h.
16446         (emit_case_dispatch_table) <gap_label>: New local variable.
16447         Use it to fill dispatch table gaps.
16448         Test for default_label before updating probabilities.
16449         (expand_case) <default_label>: Remove unneeded initialization.
16450         Test for unreachable default case statement and remove its edge.
16451         Set default_label accordingly.
16452         * tree-ssa-ccp.c (optimize_unreachable): Update comment.
16453
16454 2017-05-10  Carl Love  <cel@us.ibm.com>
16455
16456         * config/rs6000/rs6000-c: Add support for built-in functions
16457         vector signed char      vec_neg (vector signed char)
16458         vector signed short int vec_neg (vector short int)
16459         vector signed int       vec_neg (vector signed int)
16460         vector signed long long vec_neg (vector signed long long)
16461         vector float            vec_neg (vector float)
16462         vector double           vec_neg (vector double)
16463         * config/rs6000/rs6000-builtin.def: Add definitions for NEG function
16464         overload.
16465         * config/rs6000/altivec.h: Add define for vec_neg
16466         * doc/extend.texi: Update the built-in documentation for the
16467         new built-in functions.
16468
16469 2017-05-10  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16470
16471         PR tree-optimization/77644
16472         * match.pd (sqrt(x) cmp sqrt(y) -> x cmp y): New pattern.
16473
16474 2017-05-10  Nathan Sidwell  <nathan@acm.org>
16475
16476         * dumpfile.h (TDI_lang_all): New.
16477         (TDF_KIND): New. Renumber others
16478         (TDF_LANG, TDF_TREE, TDF_RTL, TDF_IPA): Enumerate value, rather
16479         than bits.
16480         * dumpfile.c (dump_files): Mark language dumps as TDF_LANG.  add
16481         lang-all.
16482         (get_dump_file_name): Adjust suffix generation.
16483         (dump_enable_all): Use TDF_KIND.
16484         * doc/invoke.texi (-fdump-lang-all): Document.
16485
16486         * dumpfile.h: Tabify.
16487
16488 2017-05-10  Wilco Dijkstra  <wdijkstr@arm.com>
16489
16490         PR target/80671
16491         * config/aarch64/cortex-a57-fma-steering.c (merge_forest):
16492         Move member access before delete.
16493
16494 2017-05-10  Alexandre Oliva <aoliva@redhat.com>
16495
16496         * tree-inline.c (expand_call_inline): Split block at stmt
16497         before the call.
16498
16499 2017-05-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
16500
16501         PR target/68163
16502         * config/rs6000/rs6000.md (f32_lr): Delete mode attributes that
16503         are now unused after splitting mov{sf,sd}_hardfloat.
16504         (f32_lr2): Likewise.
16505         (f32_lm): Likewise.
16506         (f32_lm2): Likewise.
16507         (f32_li): Likewise.
16508         (f32_li2): Likewise.
16509         (f32_lv): Likewise.
16510         (f32_sr): Likewise.
16511         (f32_sr2): Likewise.
16512         (f32_sm): Likewise.
16513         (f32_sm2): Likewise.
16514         (f32_si): Likewise.
16515         (f32_si2): Likewise.
16516         (f32_sv): Likewise.
16517         (f32_dm): Likewise.
16518         (f32_vsx): Likewise.
16519         (f32_av): Likewise.
16520         (mov<mode>_hardfloat): Split into separate movsf and movsd pieces.
16521         For movsf, order stores so the VSX stores occur before the GPR
16522         store which encourages the register allocator to use a traditional
16523         FPR instead of a GPR.  For movsd, order the stores so that the GPR
16524         store comes before the VSX stores to allow the power6 to work.
16525         This is due to the power6 not having a 32-bit integer store
16526         instruction from a FPR.
16527         (movsf_hardfloat): Likewise.
16528         (movsd_hardfloat): Likewise.
16529
16530 2017-05-09  Martin Sebor  <msebor@redhat.com>
16531
16532         PR translation/80280
16533         * config/sol2-c.c (cmn_err_flag_specs): Initialize new data member
16534         added in r247778.
16535
16536         PR translation/80280
16537         * config/i386/msformat-c.c (ms_printf_flag_specs): Initialize new
16538         data member added in r247778.
16539         (ms_scanf_flag_specs, ms_strftime_flag_specs): Same.
16540
16541 2017-05-09  Nathan Sidwell  <nathan@acm.org>
16542
16543         * tree.h (tree_fits_shwi_p, tree_fits_uhwi_p): Unconditionally pure.
16544
16545         * ipa-devirt.c (default_hash_traits<type_pair>): Skip struct-scope
16546         typedefs.
16547
16548 2017-05-09  Marek Polacek  <polacek@redhat.com>
16549
16550         * doc/invoke.texi: Fix typo.
16551
16552 2017-05-09  Richard Biener  <rguenther@suse.de>
16553
16554         * tree-vrp.c (vrp_val_is_max): Adjust comment.
16555         (vrp_val_is_min): Likewise.
16556         (set_value_range_to_value): Likewise.
16557         (set_value_range_to_nonnegative): Likewise.
16558         (gimple_assign_nonzero_p): Likewise.
16559         (gimple_stmt_nonzero_p): Likewise.
16560         (vrp_int_const_binop): Likewise.  Remove unreachable case.
16561         (adjust_range_with_scev): Adjust comments.
16562         (compare_range_with_value): Likewise.
16563         (extract_range_from_phi_node): Likewise.
16564         (test_for_singularity): Likewise.
16565
16566 2017-05-09  Richard Biener  <rguenther@suse.de>
16567
16568         * tree-vrp.c (get_single_symbol): Add assert that we don't
16569         get overflowed constants as invariant part.
16570         (compare_values_warnv): Add comment before the TREE_NO_WARNING
16571         checks.  Use wi::cmp instead of recursing for integer constants.
16572         (compare_values): Just ignore whether we assumed undefined
16573         overflow instead of failing the compare.
16574         (extract_range_for_var_from_comparison_expr): Add comment before the
16575         TREE_NO_WARNING sets.
16576         (test_for_singularity): Likewise.
16577         (extract_range_from_comparison): Do not disable optimization
16578         when we assumed undefined overflow.
16579         (extract_range_basic): Remove init of unused var.
16580
16581 2017-05-09  Richard Biener  <rguenther@suse.de>
16582
16583         * tree-vrp.c (vrp_int_const_binop): Use wide-ints and simplify.
16584         (extract_range_from_multiplicative_op_1): Adjust.
16585         (extract_range_from_binary_expr_1): Use int_const_binop.
16586
16587 2017-05-08  Kelvin Nilsen  <kelvin@gcc.gnu.org>
16588
16589         PR target/80101
16590         * config/rs6000/power6.md: Replace store_data_bypass_p calls with
16591         rs6000_store_data_bypass_p in seven define_bypass directives and
16592         in several comments.
16593         * config/rs6000/rs6000-protos.h: Add prototype for
16594         rs6000_store_data_bypass_p function.
16595         * config/rs6000/rs6000.c (rs6000_store_data_bypass_p): New
16596         function implements slightly different (rs6000-specific) semantics
16597         than store_data_bypass_p, returning false rather than aborting
16598         with assertion error when arguments do not satisfy the
16599         requirements of store data bypass.
16600         (rs6000_adjust_cost): Replace six calls of store_data_bypass_p with
16601         rs6000_store_data_bypass_p.
16602
16603 2017-05-08  Max Filippov  <jcmvbkbc@gmail.com>
16604
16605         * config/xtensa/xtensa-protos.h
16606         (xtensa_initial_elimination_offset): New declaration.
16607         * config/xtensa/xtensa.c (xtensa_initial_elimination_offset):
16608         New function. Move its body from the INITIAL_ELIMINATION_OFFSET
16609         macro definition, add case for FRAME_POINTER_REGNUM when
16610         FRAME_GROWS_DOWNWARD.
16611         * config/xtensa/xtensa.h (FRAME_GROWS_DOWNWARD): New macro definition.
16612         (INITIAL_ELIMINATION_OFFSET): Replace body with call to
16613         xtensa_initial_elimination_offset.
16614
16615 2017-05-08  Nathan Sidwell  <nathan@acm.org>
16616
16617         * doc/invoke.texi: Alphabetize -fdump options.
16618
16619 2017-05-08  Martin Sebor  <msebor@redhat.com>
16620
16621         PR translation/80280
16622         * config/sol2-c.c (solaris_pragma_align): Correct quoting.
16623
16624 2017-05-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
16625
16626         * target.def (compute_frame_layout): New optional target hook.
16627         * doc/tm.texi.in (TARGET_COMPUTE_FRAME_LAYOUT): Add hook.
16628         * doc/tm.texi (TARGET_COMPUTE_FRAME_LAYOUT): Add documentation.
16629         * lra-eliminations.c (update_reg_eliminate): Call compute_frame_layout
16630         target hook.
16631         * reload1.c (verify_initial_elim_offsets): Likewise.
16632         * config/arm/arm.c (TARGET_COMPUTE_FRAME_LAYOUT): Define.
16633         (use_simple_return_p): Call arm_compute_frame_layout if needed.
16634         (arm_get_frame_offsets): Split up into this ...
16635         (arm_compute_frame_layout): ... and this function.
16636
16637 2017-05-08  Richard Sandiford  <richard.sandiford@arm.com>
16638
16639         * config/aarch64/constraints.md (Usa): New constraint.
16640         * config/aarch64/aarch64.md (*movsi_aarch64, *movdi_aarch64): Use it.
16641
16642 2017-05-08  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16643
16644         * config.gcc (arm*-*-*): Set TM_MULTILIB_CONFIG from
16645         with_multilib_list after it has been checked.
16646
16647 2017-05-08  Richard Biener  <rguenther@suse.de>
16648
16649         * tree-ssa-pre.c (bitmap_set_and): Avoid bitmap copy.
16650         (bitmap_set_subtract_values): Likewise.
16651
16652 2017-05-08  Richard Biener  <rguenther@suse.de>
16653
16654         * tree-vrp.c (gimple_assign_nonzero_warnv_p): Rename to ...
16655         (gimple_assign_nonzero): ... this and remove strict_overflow_p
16656         argument.
16657         (gimple_stmt_nonzero_warnv_p): Rename to ...
16658         (gimple_stmt_nonzero_p): ... this and remove strict_overflow_p
16659         argument.
16660         (vrp_stmt_computes_nonzero): Remove strict_overflow_p argument.
16661         (extract_range_basic): Adjust, do not disable propagation on
16662         strict overflow sensitive simplification.
16663         (vrp_visit_cond_stmt): Likewise.
16664
16665 2017-05-05  Jan Hubicka  <hubicka@ucw.cz>
16666
16667         * ipa-inline-analysis.c (estimate_function_body_sizes): Recompute
16668         body size unconditionally.
16669
16670 2017-05-07  Jeff Law  <law@redhat.com>
16671
16672         Revert:
16673         2017-05-06  Jeff Law  <law@redhat.com>
16674         PR tree-optimization/78496
16675         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16676         code.
16677
16678         PR tree-optimization/78496
16679         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16680         (simplify_stmt_using_ranges): Call it.
16681         (vrp_dom_walker::before_dom_children): Extract equivalences
16682         from an ASSERT_EXPR with an equality comparison against a
16683         constant.
16684
16685 2017-05-06  Jeff Law  <law@redhat.com>
16686
16687         PR tree-optimization/78496
16688         * tree-vrp.c (simplify_assert_expr_using_ranges): Remove debugging
16689         code.
16690
16691         PR tree-optimization/78496
16692         * tree-vrp.c (simplify_assert_expr_using_ranges): New function.
16693         (simplify_stmt_using_ranges): Call it.
16694         (vrp_dom_walker::before_dom_children): Extract equivalences
16695         from an ASSERT_EXPR with an equality comparison against a
16696         constant.
16697
16698 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16699
16700         * lra-constraints.c (lra_copy_reg_equiv): New function.
16701         (split_reg): Use it to copy equivalence information from the
16702         original register to the spill register.
16703
16704 2017-05-06  Richard Sandiford  <richard.sandiford@linaro.org>
16705
16706         PR rtl-optimization/75964
16707         * simplify-rtx.c (simplify_const_relational_operation): Remove
16708         invalid handling of comparisons of integer ABS.
16709
16710 2017-05-06  Uros Bizjak  <ubizjak@gmail.com>
16711
16712         * config/i386/i386.c (ext_80387_constant_init): Do not explicitly
16713         initialize to zero.
16714         (init_regs): Remove declaration.
16715         (function_arg_advance_32): Initialize error_p as boolean variable.
16716
16717 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16718
16719         * store-motion.c (remove_reachable_equiv_notes): Reformat long
16720         lines.  Use for (;;).
16721
16722 2017-05-05  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
16723
16724         * config/rs6000/rs6000.c (rs6000_vect_nonmem): New static var.
16725         (rs6000_init_cost): Initialize rs6000_vect_nonmem.
16726         (rs6000_add_stmt_cost): Update rs6000_vect_nonmem.
16727         (rs6000_finish_cost): Avoid vectorizing simple copy loops with
16728         VF=2 that require versioning.
16729
16730 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16731
16732         * diagnostic.h (CARET_LINE_MARGIN): Convert from macro to const
16733         int.
16734
16735 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16736
16737         * diagnostic.h (diagnostic_override_option_index): Convert from
16738         macro to inline function.
16739
16740 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16741
16742         * diagnostic.c (last_module_changed_p): New function.
16743         (set_last_module): New function.
16744         (diagnostic_report_current_module): Convert macro usage to
16745         the above functions.
16746         * diagnostic.h (diagnostic_context::last_module): Strengthen
16747         from const line_map * to const line_map_ordinary *.
16748         (diagnostic_last_module_changed): Delete macro.
16749         (diagnostic_set_last_module): Delete macro.
16750
16751 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16752
16753         * diagnostic.c (diagnostic_impl): Replace report_diagnostic
16754         with diagnostic_report_diagnostic.
16755         (diagnostic_n_impl_richloc): Likewise.
16756         * diagnostic.h (report_diagnostic): Delete macro.
16757         * rtl-error.c (diagnostic_for_asm): Replace report_diagnostic
16758         with diagnostic_report_diagnostic.
16759         * substring-locations.c (format_warning_va): Likewise.
16760
16761 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16762
16763         * diagnostic.c (diagnostic_report_diagnostic): Eliminate
16764         save/restor of format_spec.  Move option-printing code to...
16765         (print_option_information): ...this new function, and
16766         reimplement by simply printing to the pretty_printer,
16767         rather than appending to the format string.
16768
16769 2017-05-05  David Malcolm  <dmalcolm@redhat.com>
16770
16771         * diagnostic.c (diagnostic_report_diagnostic): Split out pragma
16772         handling logic into...
16773         (update_effective_level_from_pragmas): ...this new function.
16774
16775 2017-05-04  Andrew Waterman  <andrew@sifive.com>
16776
16777         * config/riscv/riscv.opt (mstrict-align): New option.
16778         * config/riscv/riscv.h (STRICT_ALIGNMENT): Use it.  Update comment.
16779         (SLOW_UNALIGNED_ACCESS): Define.
16780         (riscv_slow_unaligned_access): Declare.
16781         * config/riscv/riscv.c (riscv_tune_info): Add slow_unaligned_access
16782         field.
16783         (riscv_slow_unaligned_access): New variable.
16784         (rocket_tune_info): Set slow_unaligned_access to true.
16785         (optimize_size_tune_info): Set slow_unaligned_access to false.
16786         (riscv_cpu_info_table): Add entry for optimize_size_tune_info.
16787         (riscv_valid_lo_sum_p): Use TARGET_STRICT_ALIGN.
16788         (riscv_option_override): Set riscv_slow_unaligned_access.
16789         * doc/invoke.texi: Add -mstrict-align to RISC-V.
16790
16791 2017-05-04  Kito Cheng  <kito.cheng@gmail.com>
16792
16793         * config/riscv/riscv.md: Unify indentation.
16794
16795 2017-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>
16796
16797         PR target/79038
16798         PR target/79202
16799         PR target/79203
16800         * config/rs6000/rs6000.md (u code attribute): Add FIX and
16801         UNSIGNED_FIX.
16802         (extendsi<mode>2): Add support for doing sign extension via
16803         VUPKHSW and XXPERMDI if the value is in Altivec registers and we
16804         don't have ISA 3.0 instructions.
16805         (extendsi<mode>2 splitter): Likewise.
16806         (fix_trunc<mode>si2): If we are at ISA 2.07 (VSX small integer),
16807         generate the normal insns since SImode can now go in vector
16808         registers.  Disallow the special UNSPECs needed for previous
16809         machines to hide SImode being used.  Add new insns
16810         fctiw{,w}_<mode>_smallint if SImode can go in vector registers.
16811         (fix_trunc<mode>si2_stfiwx): Likewise.
16812         (fix_trunc<mode>si2_internal): Likewise.
16813         (fixuns_trunc<mode>si2): Likewise.
16814         (fixuns_trunc<mode>si2_stfiwx): Likewise.
16815         (fctiw<u>z_<mode>_smallint): Likewise.
16816         (fctiw<u>z_<mode>_mem): New combiner pattern to prevent conversion
16817         of floating point to 32-bit integer from doing a direct move to
16818         the GPR registers to do a store.
16819         (fctiwz_<mode>): Break long line.
16820
16821 2017-05-05  Bin Cheng  <bin.cheng@arm.com>
16822
16823         * Makefile.in (GTFILES): Add tree-ssa-loop-ivopts.c.
16824         * tree-ssa-loop-ivopts.c (compute_max_addr_offset): Delete.
16825         (addr_list, addr_offset_valid_p): New.
16826         (split_address_groups): Check offset validity with above function.
16827         (gt-tree-ssa-loop-ivopts.h): Include header file.
16828
16829 2017-05-05  Nathan Sidwell  <nathan@acm.org>
16830
16831         * config.gcc (arm*-*-*): Add missing 'fi'.
16832
16833 2017-05-05  Steve Ellcey  <sellcey@cavium.com>
16834
16835         * doc/invoke.texi (-fopt-info): Explicitly say order of options
16836         included in -fopt-info does not matter.
16837         * doc/optinfo.texi (-fopt-info): Fix description of default
16838         behavour. Explicitly say order of options included in -fopt-info
16839         does not matter.
16840
16841 2017-05-05  Thomas Preud'homme  <thomas.preudhomme@arm.com>
16842
16843         * config.gcc: Allow combinations of aprofile and rmprofile values for
16844         --with-multilib-list.
16845         * config/arm/t-multilib: New file.
16846         * config/arm/t-aprofile: Remove initialization of MULTILIB_*
16847         variables.  Remove setting of ISA and floating-point ABI in
16848         MULTILIB_OPTIONS and MULTILIB_DIRNAMES.  Set architecture and FPU in
16849         MULTI_ARCH_OPTS_A and MULTI_ARCH_DIRS_A rather than MULTILIB_OPTIONS
16850         and MULTILIB_DIRNAMES respectively.  Add comment to introduce all
16851         matches.  Add architecture matches for marvel-pj4 and generic-armv7-a
16852         CPU options.
16853         * config/arm/t-rmprofile: Likewise except for the matches changes.
16854         * doc/install.texi (--with-multilib-list): Document the combination of
16855         aprofile and rmprofile values and warn about pitfalls in doing that.
16856
16857 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16858
16859         * config/aarch64/aarch64.md (movsi_aarch64): Remove '*' from r=w.
16860         (movdi_aarch64): Likewise.
16861
16862 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16863
16864         PR tree-optimization/80632
16865         * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
16866         field.
16867         (build_arrays): Initialize it for virtual phis.
16868         (fix_phi_nodes): Use it for virtual phis.
16869
16870         PR tree-optimization/80558
16871         * tree-vrp.c (extract_range_from_binary_expr_1): Optimize
16872         [x, y] op z into [x op, y op z] for op & or | if conditions
16873         are met.
16874
16875 2017-05-05  Andre Vieira  <andre.simoesdiasvieira@arm.com>
16876             Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
16877
16878         PR target/71607
16879         * config/arm/arm.md (use_literal_pool): Remove.
16880         (64-bit immediate split): No longer takes cost into consideration
16881         if arm_disable_literal_pool is enabled.
16882         * config/arm/arm.c (arm_tls_referenced_p): Add diagnostic if TLS is
16883         used when arm_disable_literal_pool is enabled.
16884         (arm_max_const_double_inline_cost): Remove use of
16885         arm_disable_literal_pool.
16886         (push_minipool_fix): Add assert.
16887         (arm_reorg): Add return if arm_disable_literal_pool is enabled.
16888         * config/arm/vfp.md (no_literal_pool_df_immediate): New.
16889         (no_literal_pool_sf_immediate): New.
16890
16891 2017-05-05  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
16892
16893         PR tree-optimization/80613
16894         * tree-ssa-dce.c (propagate_necessity): Remove cases for
16895         BUILT_IN_STRDUP and BUILT_IN_STRNDUP.
16896
16897 2017-05-05  Richard Biener  <rguenther@suse.de>
16898
16899         * tree-ssa-pre.c (get_or_alloc_expr_for): Simplify.
16900
16901 2017-05-05  Georg-Johann Lay  <avr@gjlay.de>
16902
16903         * config/avr/avr.md [flag_strict_overflow]: Remove any occurence
16904         of this flag from insn conditions due to removal from r247495.
16905
16906 2017-05-05  Wilco Dijkstra  <wdijkstr@arm.com>
16907
16908         * config/arm/aarch-common.c (arm_early_load_addr_dep_ptr):
16909         New function.
16910         (arm_early_store_addr_dep_ptr): Likewise.
16911         * config/arm/aarch-common-protos.h
16912         (arm_early_load_addr_dep_ptr): Add prototype.
16913         (arm_early_store_addr_dep_ptr): Likewise.
16914         * config/arm/cortex-a53.md: Add new bypasses.
16915
16916 2017-05-05  Jakub Jelinek  <jakub@redhat.com>
16917
16918         * tree.c (next_type_uid): Change type to unsigned.
16919         (type_hash_canon): Decrement back next_type_uid if
16920         freeing a type node with the highest TYPE_UID.  For INTEGER_TYPEs
16921         also ggc_free TYPE_MIN_VALUE, TYPE_MAX_VALUE and TYPE_CACHED_VALUES
16922         if possible.
16923
16924 2017-05-04  Martin Sebor  <msebor@redhat.com>
16925
16926         * builtins.c: Fix a trivial typo in a comment.
16927
16928         PR middle-end/79234
16929         * builtins.c (check_sizes): Adjust to handle reading past the end.
16930         Avoid printing excessive upper bound of ranges.  Use %E to print
16931         tree nodes instead of converting them to %wu.
16932         (expand_builtin_memchr): New function.
16933         (compute_dest_size): Rename...
16934         (compute_objsize): ...to this.
16935         (expand_builtin_memcpy): Adjust.
16936         (expand_builtin_mempcpy): Adjust.
16937         (expand_builtin_strcat): Adjust.
16938         (expand_builtin_strcpy): Adjust.
16939         (check_strncat_sizes): Adjust.
16940         (expand_builtin_strncat): Adjust.
16941         (expand_builtin_strncpy): Adjust and simplify.
16942         (expand_builtin_memset): Adjust.
16943         (expand_builtin_bzero): Adjust.
16944         (expand_builtin_memcmp): Adjust.
16945         (expand_builtin): Handle memcmp.
16946         (maybe_emit_chk_warning): Check strncat just once.
16947
16948 2017-05-04  Martin Sebor  <msebor@redhat.com>
16949
16950         PR preprocessor/79214
16951         PR middle-end/79222
16952         PR middle-end/79223
16953         * builtins.c (check_sizes): Add inlining context and issue
16954         warnings even when -Wno-system-headers is set.
16955         (check_strncat_sizes): Same.
16956         (expand_builtin_strncat): Same.
16957         (expand_builtin_memmove): New function.
16958         (expand_builtin_stpncpy): Same.
16959         (expand_builtin): Handle memmove and stpncpy.
16960
16961 2017-05-04  Bin Cheng  <bin.cheng@arm.com>
16962
16963         * tree-ssa-loop-ivopts.c (struct cost_pair): Remove field inv_expr
16964         which is not used any more.
16965
16966 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16967
16968         * config/aarch64/aarch64.c (generic_tunings): Update prefetch model.
16969
16970 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16971
16972         * config/aarch64/aarch64.c (cortexa35_tunings): Set jump alignment to 4.
16973         (cortexa53_tunings): Likewise.
16974         (cortexa57_tunings): Likewise.
16975         (cortexa72_tunings): Likewise.
16976         (cortexa73_tunings): Likewise.
16977
16978 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
16979
16980         * config/aarch64/aarch64.c (generic_tunings): Set jump alignment to 4.
16981         Set loop alignment to 8.
16982
16983 2017-05-04  Martin Sebor  <msebor@redhat.com>
16984
16985         PR translation/80280
16986         * builtins.c (expand_builtin_object_size): Add missing quoting to
16987         %D and like directives.
16988         * hsa-gen.c (hsa_type_for_scalar_tree_type): Same.
16989         (hsa_type_for_tree_type): Same.
16990         (verify_function_arguments): Same.
16991         * symtab.c (symbol_table::change_decl_assembler_name): Same.
16992         * varasm.c (get_section): Same.
16993         (mark_weak): Same.
16994
16995 2017-05-04  Martin Sebor  <msebor@redhat.com>
16996
16997         PR translation/80280
16998         * config/i386/i386.c (ix86_function_versions): Quote a %D directive.
16999
17000 2017-05-04  Wilco Dijkstra  <wdijkstr@arm.com>
17001
17002         * config/aarch64/aarch64.c (generic_addrcost_table):
17003         Change HI/TI mode setting.
17004
17005 2017-05-04  Martin Jambor  <mjambor@suse.cz>
17006
17007         PR tree-optimization/80622
17008         * tree-sra.c (comes_initialized_p): New function.
17009         (build_accesses_from_assign): Only set write lazily when
17010         comes_initialized_p is false.
17011         (analyze_access_subtree): Use comes_initialized_p.
17012         (propagate_subaccesses_across_link): Assert !comes_initialized_p
17013         instead of testing for PARM_DECL.
17014
17015 2017-05-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
17016
17017         * config/aarch64/aarch64.md (prefetch); Adjust predicate and
17018         constraint on operand 0 to allow more general addressing modes.
17019         Adjust output template.
17020         * config/aarch64/aarch64.c (aarch64_address_valid_for_prefetch_p):
17021         New function.
17022         * config/aarch64/aarch64-protos.h
17023         (aarch64_address_valid_for_prefetch_p): Declare prototype.
17024         * config/aarch64/constraints.md (Dp): New address constraint.
17025         * config/aarch64/predicates.md (aarch64_prefetch_operand): New
17026         predicate.
17027
17028 2017-05-04  Jan Hubicka  <hubicka@ucw.cz>
17029
17030         * ipa-cp.c (perform_estimation_of_a_value): Drop base_time parameter;
17031         update use of estimate_ipcp_clone_size_and_time.
17032         (estimate_local_effects): Update use of
17033         estimate_ipcp_clone_size_and_time and perform_estimation_of_a_value.
17034         * ipa-inline.h (estimate_ipcp_clone_size_and_time): Update prototype.
17035         * ipa-inline-analysis.c (estimate_ipcp_clone_size_and_time):
17036         Return nonspecialized time.
17037
17038 2017-05-04  Richard Biener  <rguenther@suse.de>
17039
17040         * tree-ssa-alias.c (get_continuation_for_phi): Improve looking
17041         for the last VUSE which def dominates the PHI.  Directly call
17042         maybe_skip_until.
17043         (get_continuation_for_phi_1): Remove.
17044
17045 2017-05-04  Richard Sandiford  <richard.sandiford@linaro.org>
17046
17047         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): Add commentary
17048         to explain the use of truncating division.  Cap the number of
17049         iterations to the maximum given by nb_iterations_upper_bound,
17050         if defined.
17051
17052 2017-05-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17053
17054         * configure.ac (--enable-mingw-wildcard): Add new configurable feature.
17055         * configure: Regenerate.
17056         * config.in: Regenerate.
17057         * config/i386/driver-mingw32.c: new file.
17058         * config/i386/x-mingw32: Add rule to build driver-mingw32.o.
17059         * config.host: Link driver-mingw32.o on MinGW host.
17060         * doc/install.texi: Document new --enable-mingw-wildcard configure
17061         option.
17062
17063 2017-05-04  Marek Polacek  <polacek@redhat.com>
17064
17065         PR tree-optimization/80612
17066         * calls.c (get_size_range): Check for INTEGRAL_TYPE_P.
17067
17068 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17069             Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
17070
17071         * config/arm/arm.md (movsi): Change TARGET_32BIT to TARGET_HAVE_MOVT.
17072         (movt splitter): Likewise.
17073         * config/arm/arm.c (arm_option_check_internal): Change arm_arch_thumb2
17074         to TARGET_HAVE_MOVT, and merge with -mslow-flash-data check.
17075         (const_ok_for_arm): Change else to else if (TARGET_THUMB2) and add else
17076         block for Thumb-1 with MOVT.
17077         (thumb2_legitimate_address_p): Move code block ...
17078         (can_avoid_literal_pool_for_label_p): ... into this new function.
17079         (thumb1_legitimate_address_p): Add check for TARGET_HAVE_MOVT and
17080         literal pool.
17081         (thumb_legitimate_constant_p): Add conditional on TARGET_HAVE_MOVT
17082         * doc/invoke.texi (-mpure-code): Change "ARMv7-M targets" for
17083         "M-profile targets with the MOVT instruction".
17084
17085 2017-05-04  Prakhar Bahuguna  <prakhar.bahuguna@arm.com>
17086
17087         * config/arm/arm-builtins.c (arm_init_builtins): Rename
17088         __builtin_arm_ldfscr to __builtin_arm_get_fpscr, and rename
17089         __builtin_arm_stfscr to __builtin_arm_set_fpscr.
17090
17091 2017-05-04  Martin Liska  <mliska@suse.cz>
17092
17093         * tree-vrp.c (simplify_cond_using_ranges_2): Remove unused
17094         variable cond_code.
17095
17096 2017-05-04  Richard Biener  <rguenther@suse.de>
17097
17098         * tree.c (array_at_struct_end_p): Handle arrays at struct
17099         end with flexarrays more conservatively.  Refactor and treat
17100         arrays of arrays or aggregates more strict.  Fix
17101         VIEW_CONVERT_EXPR handling.  Remove allow_compref argument.
17102         * tree.c (array_at_struct_end_p): Adjust prototype.
17103         * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
17104         * gimple-fold.c (get_range_strlen): Likewise.
17105         * tree-chkp.c (chkp_may_narrow_to_field): Likewise.
17106
17107 2017-05-04  Richard Biener  <rguenther@suse.de>
17108
17109         PR tree-optimization/31130
17110         * tree-vrp.c (needs_overflow_infinity): Remove as always returning
17111         false.
17112         (supports_overflow_infinity): Likewise.
17113         (is_negative_overflow_infinity): Likewise.
17114         (is_positive_overflow_infinity): Likewise.
17115         (is_overflow_infinity): Likewise.
17116         (stmt_overflow_infinity): Likewise.
17117         (overflow_infinity_range_p): Likewise.
17118         (usable_range_p): Remove as always returning true.
17119         (make_overflow_infinity): Remove.
17120         (negative_overflow_infinity): Likewise.
17121         (positive_overflow_infinity): Likewise.
17122         (avoid_overflow_infinity): Likewise.
17123         (set_value_range): Adjust accordingly.
17124         (set_value_range_to_nonnegative): Likewise, remove now unused
17125         overflow_infinity arg.
17126         (vrp_operand_equal_p): Adjust.
17127         (update_value_range): Likewise.
17128         (range_int_cst_singleton_p): Likewise.
17129         (operand_less_p): Likewise.
17130         (compare_values_warnv): Likewise.
17131         (extract_range_for_var_from_comparison_expr): Likewise.
17132         (vrp_int_const_binop): Likewise.
17133         (zero_nonzero_bits_from_vr): Likewise.
17134         (extract_range_from_multiplicative_op_1): Likewise.
17135         (extract_range_from_binary_expr_1): Likewise.
17136         (extract_range_from_unary_expr): Likewise.
17137         (extract_range_from_comparison): Likewise.
17138         (extract_range_basic): Likewise.
17139         (adjust_range_with_scev): Likewise.
17140         (compare_ranges): Likewise.
17141         (compare_range_with_value): Likewise.
17142         (dump_value_range): Likewise.
17143         (test_for_singularity): Likewise, remove strict_overflow_p parameter
17144         never used.
17145         (simplify_cond_using_ranges): Adjust.
17146
17147 2017-05-04  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
17148
17149         * brig-builtins.def: Added a builtin for class_f64.
17150         * builtin-types.def: Added a builtin type needed by class_f64.
17151
17152 2017-05-03  Jason Merrill  <jason@redhat.com>
17153
17154         * timevar.def: Add TV_CONSTEXPR.
17155
17156 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
17157
17158         * common.opt (fdiagnostics-parseable-fixits): Fix typo.
17159
17160 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17161
17162         * ipa-prop.c (ipa_update_after_lto_read): Removed.
17163         * ipa-prop.h (ipa_update_after_lto_read): Remove declaration.
17164         * ipa-cp.c (ipcp_propagate_stage): Do not call
17165         ipa_update_after_lto_read.
17166         * ipa-inline.c (ipa_inline): Likewise.
17167
17168 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17169
17170         * ipa-prop.h (ipa_edge_args): Make a class.  Mark with for_user GTY
17171         tag.  Added a default constructor and a destructor.
17172         (ipa_edge_args_sum_t): New class;
17173         (ipa_edge_args_sum): Declare.
17174         (ipa_edge_args_vector): Remove declaration.
17175         (IPA_EDGE_REF): Use ipa_edge_args_sum.
17176         (ipa_free_edge_args_substructures): Remove declaration.
17177         (ipa_check_create_edge_args): Use ipa_edge_args_sum.
17178         (ipa_edge_args_info_available_for_edge_p): Likewise.
17179         * ipa-prop.c (ipa_edge_args_vector): Removed.
17180         (edge_removal_hook_holder): Likewise.
17181         (edge_duplication_hook_holder): Likewise.
17182         (ipa_edge_args_sum): New variable.
17183         (ipa_propagate_indirect_call_infos): Test ipa_edge_args_sum instead of
17184         ipa_edge_args_vector.
17185         (ipa_free_edge_args_substructures): Likewise.
17186         (ipa_free_all_edge_args): Free ipa_edge_args_sum instead of
17187         ipa_edge_args_vector.
17188         (ipa_edge_removal_hook): Turned into method
17189         ipa_edge_args_sum_t::remove.
17190         (ipa_edge_duplication_hook): Turned into method
17191         ipa_edge_args_sum_t::duplicate.
17192         (ipa_register_cgraph_hooks): Create ipa_edge_args_sum instead of
17193         registering edge hooks.
17194         (ipa_unregister_cgraph_hooks): Do not unregister edge hooks.
17195         * ipa-inline-analysis.c (estimate_function_body_sizes): Test
17196         ipa_edge_args_sum instead of ipa_edge_args_vector.
17197         * ipa-profile.c (ipa_profile): Likewise.
17198
17199 2017-05-03  Martin Jambor  <mjambor@suse.cz>
17200
17201         * symbol-summary.h (function_summary): New method exists.
17202         (function_summary::symtab_removal): Deallocate through release.
17203         (call_summary): New class.
17204         (gt_ggc_mx): New overload.
17205         (gt_pch_nx): Likewise.
17206         (gt_pch_nx): Likewise.
17207
17208 2017-05-03  Jeff Law  <law@redhat.com>
17209
17210         PR tree-optimization/78496
17211         * tree-vrp.c (simplify_cond_using_ranges_1): Renamed
17212         from simplify_cond_using_ranges.  Split off code to walk
17213         backwards through casts into ...
17214         (simplify_cond_using_ranges_2): New function.
17215         (simplify_stmt_using_ranges): Call simplify_cond_using_ranges_1.
17216         (execute_vrp): After identifying jump threads, call
17217         simplify_cond_using_ranges_2.
17218
17219 2017-05-03  Jan Hubicka  <hubicka@ucw.cz>
17220
17221         PR bootstrap/80609
17222         * ipa-inline.h (inline_summary): Add ctor.
17223         (create_ggc): Do not use ggc_cleared_alloc.
17224
17225 2017-05-03  Jeff Downs  <heydowns@somuchpressure.net>
17226             Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17227
17228         * gcc.c (handle_braces): Support escaping in switch matching
17229         text.
17230         * doc/invoke.texi (Spec Files): Document it.
17231         Remove superfluous @code markup in items.
17232
17233 2017-05-03  David Malcolm  <dmalcolm@redhat.com>
17234
17235         * diagnostic-show-locus.c (struct column_range): New struct.
17236         (get_affected_columns): New function.
17237         (get_printed_columns): New function.
17238         (struct correction): New struct.
17239         (correction::ensure_capacity): New function.
17240         (correction::ensure_terminated): New function.
17241         (struct line_corrections): New struct.
17242         (line_corrections::~line_corrections): New dtor.
17243         (line_corrections::add_hint): New function.
17244         (layout::print_trailing_fixits): Reimplement in terms of the new
17245         classes.
17246         (selftest::test_overlapped_fixit_printing): New function.
17247         (selftest::diagnostic_show_locus_c_tests): Call it.
17248
17249 2017-05-03  Nathan Sidwell  <nathan@acm.org>
17250
17251         Canonicalize canonical type hashing
17252         * tree.h (type_hash_canon_hash): Declare.
17253         * tree.c (type_hash_list, attribute_hash_list): Move into
17254         type_hash_canon_hash.
17255         (build_type_attribute_qual_variant): Break out hash code calc into
17256         type_hash_canon_hash.
17257         (type_hash_canon_hash): New.  Generic type hash computation.
17258         (build_range_type_1, build_array_type_1, build_function_type,
17259         build_method_type_directly, build_offset_type, build_complex_type,
17260         make_vector_type): Call it.
17261
17262 2017-05-03  Richard Biener  <rguenther@suse.de>
17263
17264         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
17265         When all DRs have unknown misaligned do not always peel
17266         when there is a store but apply the same costing model as if
17267         there were only loads.
17268
17269 2017-05-03  Richard Biener  <rguenther@suse.de>
17270
17271         Revert
17272         PR tree-optimization/80492
17273         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
17274         compare_base_decls returning dont-know properly.
17275
17276 2017-05-03  Thomas Preud'homme  <thomas.preudhomme@arm.com>
17277
17278         * config/arm/iterators.md (CCSI): New mode iterator.
17279         (arch): New mode attribute.
17280         * config/arm/sync.md (atomic_compare_and_swap<mode>_1): Rename into ...
17281         (atomic_compare_and_swap<CCSI:arch><NARROW:mode>_1): This and ...
17282         (atomic_compare_and_swap<CCSI:arch><SIDI:mode>_1): This.  Use CCSI
17283         code iterator for success result mode.
17284         * config/arm/arm.c (arm_expand_compare_and_swap): Adapt code to use
17285         the corresponding new insn generators.
17286
17287 2017-05-03  Bin Cheng  <bin.cheng@arm.com>
17288
17289         Revert r247509
17290         2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17291         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17292
17293 2017-05-03  Richard Sandiford  <richard.sandiford@linaro.org>
17294
17295         * tree-data-ref.h (SUB_CONFLICTS_IN_A): Wrap SUB argument in brackets.
17296         (SUB_CONFLICTS_IN_B, SUB_LAST_CONFLICT, SUB_DISTANCE): Likewise.
17297         (DDR_A): Wrap DDR argument in brackets.
17298         (DDR_B, DDR_AFFINE_P, DDR_ARE_DEPENDENT, DDR_SUBSCRIPTS): Likewise.
17299         (DDR_LOOP_NEST, DDR_INNER_LOOP, DDR_SELF_REFERENCE): Likewise.
17300         (DDR_REVERSED_P): Likewise.
17301
17302 2017-05-03  Jakub Jelinek  <jakub@redhat.com>
17303
17304         PR tree-optimization/79472
17305         * tree-switch-conversion.c (struct switch_conv_info): Add
17306         contiguous_range and default_case_nonstandard fields.
17307         (collect_switch_conv_info): Compute contiguous_range and
17308         default_case_nonstandard fields, don't clear final_bb if
17309         contiguous_range and only the default case doesn't have the required
17310         structure.
17311         (check_all_empty_except_final): Set default_case_nonstandard instead
17312         of failing if contiguous_range and the default case doesn't have empty
17313         block.
17314         (check_final_bb): Add SWTCH argument, don't fail if contiguous_range
17315         and only the default case doesn't have the required constants.  Skip
17316         virtual phis.
17317         (gather_default_values): Skip virtual phis.  Allow non-NULL CASE_LOW
17318         if default_case_nonstandard.
17319         (build_constructors): Build constant 1 just once.  Assert that default
17320         values aren't inserted in between cases if contiguous_range.  Skip
17321         virtual phis.
17322         (build_arrays): Skip virtual phis.
17323         (prune_bbs): Add DEFAULT_BB argument, don't remove that bb.
17324         (fix_phi_nodes): Don't add e2f phi arg if default_case_nonstandard.
17325         Handle virtual phis.
17326         (gen_inbound_check): Handle default_case_nonstandard case.
17327         (process_switch): Adjust check_final_bb caller.  Call
17328         gather_default_values with the first non-default case instead of
17329         default case if default_case_nonstandard.
17330
17331 2017-05-02  Nathan Sidwell  <nathan@acm.org>
17332
17333         * ggc-page.c (move_ptes_to_front): Replace unsigned >0 with i--
17334         check.  Fix formatting.
17335
17336 2017-05-02  Jan Hubicka  <hubicka@ucw.cz>
17337
17338         * ipa-inline-analysis.c (estimate_node_size_and_time): Allow roundoff
17339         errors when comparing specialized and unspecialized times.
17340
17341 2017-05-02  David Malcolm  <dmalcolm@redhat.com>
17342
17343         * diagnostic-show-locus.c
17344         (layout::should_print_annotation_line_p): Make private.
17345         (layout::print_annotation_line): Make private.
17346         (layout::annotation_line_showed_range_p): Make private.
17347         (layout::show_ruler): Make private.
17348         (layout::print_source_line): Make private.  Pass in line and
17349         line_width, rather than calling location_get_source_line.  Drop
17350         returned value.
17351         (layout::print_leading_fixits): New method.
17352         (layout::print_any_fixits): Rename to...
17353         (layout::print_trailing_fixits): ...this, and make private.
17354         Don't print newline fixits.
17355         (diagnostic_show_locus): Move logic for printing one row into...
17356         (layout::print_line): ...this new function.  Move the
17357         location_get_source_line call and error-handling from
17358         print_source_line to here.  Call print_leading_fixits, and rename
17359         print_any_fixits to print_trailing_fixits.
17360         (selftest::test_fixit_insert_containing_newline): Update now that
17361         newlines are partially supported.
17362         (selftest::test_fixit_insert_containing_newline_2): New test.
17363         (selftest::test_fixit_replace_containing_newline): Update comments.
17364         (selftest::diagnostic_show_locus_c_tests): Call the new test.
17365         * edit-context.c (class added_line): New class.
17366         (class edited_line): Describe newline handling in comment.
17367         (edited_line::actually_edited_p): New method.
17368         (edited_line::print_content): Delete redundant decl.
17369         (edited_line::m_predecessors): New field.
17370         (edited_file::print_content): Call edited_line::print_content.
17371         (edited_file::print_diff): Update to support newlines.
17372         (edited_file::print_diff_hunk): Likewise.
17373         (edited_file::print_run_of_changed_lines): New function.
17374         (edited_file::print_diff_line): Convert to...
17375         (print_diff_line): ...this.
17376         (edited_file::get_effective_line_count): New function.
17377         (edited_line::edited_line): Initialize new field m_predecessors.
17378         (edited_line::~edited_line): Clean up m_predecessors.
17379         (edited_line::apply_fixit): Handle newlines.
17380         (edited_line::get_effective_line_count): New function.
17381         (edited_line::print_content): New function.
17382         (edited_line::print_diff_lines): New function.
17383         (selftest::test_applying_fixits_insert_containing_newline): New
17384         test.
17385         (selftest::test_applying_fixits_replace_containing_newline): New
17386         test.
17387         (selftest::insert_line): New function.
17388         (selftest::test_applying_fixits_multiple_lines): Add example of
17389         inserting a line.
17390         (selftest::edit_context_c_tests): Call the new tests.
17391
17392 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17393
17394         * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete
17395         parameter cand.  Update dump information.
17396         (get_computation_cost): Update uses.
17397
17398 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17399
17400         * tree-ssa-loop-ivopts.c (get_computation_aff_1): New.
17401         (get_computation_aff): Reorder parameters.  Use get_computation_aff_1.
17402         (get_computation_at, rewrite_use_address): Update use of
17403         get_computation_aff.
17404
17405 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17406
17407         * tree-ssa-loop-ivopts.c (get_computation_at): Reorder parameters.
17408         (get_computation): Delete.
17409         (get_computation_cost): Implement like get_computation_cost_at.
17410         Use get_computation_at.
17411         (get_computation_cost_at): Delete.
17412         (rewrite_use_nonlinear_expr): Use get_computation_at.
17413         (rewrite_use_compare, remove_unused_ivs): Ditto.
17414
17415 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17416
17417         * tree-ssa-loop-ivopts.c (rewrite_use_address): Simple refactor.
17418
17419 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17420
17421         * tree-ssa-loop-ivopts.c (struct iv_ca): Rename n_regs to n_invs.
17422         (ivopts_global_cost_for_size): Rename parameter and update uses.
17423         (iv_ca_recount_cost): Update uses.
17424         (iv_ca_set_remove_invs, iv_ca_set_no_cp): Record invariants and
17425         candidates seperately in n_invs and n_cands.
17426         (iv_ca_set_add_invs, iv_ca_set_cp, iv_ca_new): Ditto.
17427
17428 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17429
17430         * tree-ssa-loop-ivopts.c (struct walk_tree_data): New.
17431         (find_inv_vars_cb): New.
17432         (find_depends): Renamed to ...
17433         (find_inv_vars): ... this.
17434         (add_candidate_1, force_var_cost): Call find_inv_vars.
17435         (split_address_cost, determine_group_iv_cost_cond): Ditto.
17436
17437 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17438
17439         * tree-ssa-loop-ivopts.c (struct cost_pair): Rename depends_on to
17440         inv_vars.  Add inv_exprs.
17441         (struct iv_cand): Rename depends_on to inv_vars.
17442         (struct ivopts_data): Rename max_inv_id/n_invariant_uses to
17443         max_inv_var_id/n_inv_var_uses.  Move max_inv_expr_id around.
17444         Refactor field used_inv_exprs from has_map to array n_inv_expr_uses.
17445         (dump_cand): Dump inv_vars.
17446         (tree_ssa_iv_optimize_init): Support inv_vars and inv_exprs.
17447         (record_invariant, find_depends, add_candidate_1): Ditto.
17448         (set_group_iv_cost, force_var_cost): Ditto.
17449         (split_address_cost, ptr_difference_cost, difference_cost): Ditto.
17450         (get_computation_cost_at, get_computation_cost): Ditto.
17451         (determine_group_iv_cost_generic): Ditto.
17452         (determine_group_iv_cost_address): Ditto.
17453         (determine_group_iv_cost_cond, autoinc_possible_for_pair): Ditto.
17454         (determine_group_iv_costs): Ditto.
17455         (iv_ca_recount_cost): Update call to ivopts_global_cost_for_size.
17456         (iv_ca_set_remove_invariants): Renamed to ...
17457         (iv_ca_set_remove_invs): ... this.  Support inv_vars and inv_exprs.
17458         (iv_ca_set_no_cp): Use iv_ca_set_remove_invs.
17459         (iv_ca_set_add_invariants):  Renamed to ...
17460         (iv_ca_set_add_invs): ... this.  Support inv_vars and inv_exprs.
17461         (iv_ca_set_cp): Use iv_ca_set_add_invs.
17462         (iv_ca_has_deps): Support inv_vars and inv_exprs.
17463         (iv_ca_new, iv_ca_free, iv_ca_dump, free_loop_data): Ditto.
17464         (create_new_ivs): Remove useless dump.
17465
17466 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17467
17468         * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo
17469         iv_cand code.
17470         (determine_group_iv_cost_cond, determine_iv_cost): Ditto.
17471         (iv_ca_set_no_cp, create_new_iv): Ditto.
17472
17473 2017-05-02  Bin Cheng  <bin.cheng@arm.com>
17474
17475         * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes.
17476
17477 2017-05-02  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17478
17479         * tree.h (EXPR_CILK_SPAWN): Use macro TREE_CHECK2 instead of
17480         function tree_check2.
17481
17482 2017-05-02  Martin Liska  <mliska@suse.cz>
17483
17484         * doc/gcov.texi: Add missing preposition.
17485         * gcov.c (function_info::function_info): Properly fill up
17486         all member variables.
17487
17488 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17489
17490         * expr.c (expand_expr_real_2): Re-cost if previous costs are the same.
17491
17492 2017-05-02  Tamar Christina  <tamar.christina@arm.com>
17493
17494         * simplify-rtx.c (simplify_binary_operation_1): Add LSHIFTRT case.
17495
17496 2017-05-02  Martin Liska  <mliska@suse.cz>
17497
17498         PR lto/77954.
17499         * lto-streamer-in.c (lto_read_tree_1): Remove
17500         LTO_STREAMER_DEBUG.
17501         * lto-streamer.c (struct tree_hash_entry): Likewise.
17502         (struct tree_entry_hasher): Likewise.
17503         (tree_entry_hasher::hash): Likewise.
17504         (tree_entry_hasher::equal): Likewise.
17505         (lto_streamer_init): Likewise.
17506         (lto_orig_address_map): Likewise.
17507         (lto_orig_address_get): Likewise.
17508         (lto_orig_address_remove): Likewise.
17509         * lto-streamer.h: Likewise.
17510         * tree-streamer-in.c (streamer_alloc_tree): Likewise.
17511         * tree-streamer-out.c (streamer_write_tree_header): Likewise.
17512
17513 2017-05-02  Sebastian Peryt  <sebastian.peryt@intel.com>
17514
17515         * config/i386/avx512fintrin.h (_mm_mask_add_round_sd)
17516         (_mm_maskz_add_round_sd, _mm_mask_add_round_ss)
17517         (mm_maskz_add_round_ss, _mm_mask_sub_round_sd)
17518         (mm_maskz_sub_round_sd, _mm_mask_sub_round_ss)
17519         (mm_maskz_sub_round_ss, _mm_mask_add_sd)
17520         (mm_maskz_add_sd, _mm_mask_add_ss, _mm_maskz_add_ss)
17521         (mm_mask_sub_sd, _mm_maskz_sub_sd, _mm_mask_sub_ss)
17522         (mm_maskz_sub_ss): New intrinsics.
17523         * config/i386/i386-builtin-types.def (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17524         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): New function type aliases.
17525         * config/i386/i386-builtin.def (__builtin_ia32_addsd_mask_round)
17526         (__builtin_ia32_addss_mask_round, __builtin_ia32_subsd_mask_round)
17527         (__builtin_ia32_subss_mask_round): New builtins.
17528         * config/i386/i386.c (V2DF_FTYPE_V2DF_V2DF_V2DF_UQI_INT)
17529         (V4SF_FTYPE_V4SF_V4SF_V4SF_UQI_INT): Handle new types.
17530         * config/i386/sse.md (<sse>_vm<plusminus_insn><mode>3<round_name>):
17531         Renamed to ...
17532         (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): ... this.
17533         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_op3>%2, %1, %0|%0, %1, %<iptr>2<round_op3>}):
17534         Changed to ...
17535         (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}):
17536         ... this.
17537
17538 2017-05-02  Martin Jambor  <mjambor@suse.cz>
17539
17540         PR tree-optimization/78687
17541         * tree-sra.c (access): New field parent.
17542         (process_subtree_disqualification): New function.
17543         (disqualify_candidate): Call it.
17544         (build_accesses_from_assign): Reset write flag if creating an
17545         assighnment link.
17546         (build_access_subtree): Fill in parent field and also prpagate
17547         down grp_write flag.
17548         (create_artificial_child_access): New parameter set_grp_write, set
17549         grp_write to its value.
17550         (propagate_subaccesses_across_link): Also propagate grp_write flag
17551         values.
17552         (propagate_all_subaccesses): Push the closest parent back to work
17553         queue if add_access_to_work_queue returned true.
17554
17555 2017-05-02  Richard Biener  <rguenther@suse.de>
17556
17557         * common.opt (fstrict-overflow): Alias negative to fwrapv.
17558         * doc/invoke.texi (fstrict-overflow): Remove all traces of
17559         -fstrict-overflow documentation.
17560         * tree.h (TYPE_OVERFLOW_UNDEFINED): Do not test flag_strict_overflow.
17561         (POINTER_TYPE_OVERFLOW_UNDEFINED): Test !flag_wrapv instead of
17562         flag_strict_overflow.
17563         * ipa-inline.c (can_inline_edge_p): Do not test flag_strict_overflow.
17564         * lto-opts.c (lto_write_options): Do not stream it.
17565         * lto-wrapper.c (merge_and_complain): Do not handle it.
17566         * opts.c (default_options_table): Do not set -fstrict-overflow.
17567         (finish_options): Likewise do not clear it when sanitizing.
17568         * simplify-rtx.c (simplify_const_relational_operation): Do not
17569         test flag_strict_overflow.
17570
17571 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17572
17573         * config/alpha/alpha.md (*add<mode>3_ieee): Merge to add<mode>3
17574         using enabled attribute.
17575         (*sub<mode>3_ieee): Merge to sub<mode>3 using enabled attribute.
17576         (*mul<mode>3_ieee): Merge to mul<mode>3 using enabled attribute.
17577         (*div<mode>3_ieee): Merge to div<mode>3 using enabled attribute.
17578         (*sqrt<mode>2_ieee): Merge to sqrt<mode>2 using enabled attribute.
17579         (*fix_truncdfdi_ieee): Merge to *fix_truncdfdi2 using enabled attribute.
17580         (*fix_truncsfdi_ieee): Merge to *fix_truncsfdi2 using enabled attribute.
17581         (*floatdisf_ieee): Merge to floatdisf2 using enabled attribute.
17582         (*floatdidf_ieee): Merge to floatdidf2 using enabled attribute.
17583         (*truncdfsf2_ieee): Merge to truncdfsf2 using enabled attribute.
17584         (*cmpdf_ieee): Merge to *cmpdf_internal using enabled attribute.
17585
17586 2017-05-02  Uros Bizjak  <ubizjak@gmail.com>
17587
17588         * config/i386/i386.c (ix86_code_end): Use {FIRST,LAST}_INT_REG.
17589
17590 2017-05-02  Richard Biener  <rguenther@suse.de>
17591
17592         PR tree-optimization/80591
17593         Revert
17594         2017-04-10  Richard Biener  <rguenther@suse.de>
17595
17596         * tree-ssa-structalias.c (find_func_aliases): Properly handle
17597         asm inputs.
17598
17599 2017-05-02  Richard Biener  <rguenther@suse.de>
17600
17601         PR tree-optimization/80549
17602         * tree-cfgcleanup.c (mfb_keep_latches): New helper.
17603         (cleanup_tree_cfg_noloop): Create forwarders to known loop
17604         headers if they do not have a preheader.
17605
17606 2017-05-02  Martin Liska  <mliska@suse.cz>
17607
17608         PR other/80589
17609         * common.opt: Fix typo.
17610         * doc/invoke.texi: Likewise.
17611
17612 2017-05-01  Jan Beulich  <jbeulich@suse.com>
17613
17614         * config/i386/sse.md (xop_vpermil2<mode>3): Do not allow operand
17615         swapping, add (x,x,m,x,n) alternative.
17616
17617 2017-05-01  Nathan Sidwell  <nathan@acm.org>
17618
17619         * calls.c (combine_pending_stack_adjustment_and_call): Remove
17620         unnecessary unadjusted_alignment check.
17621
17622 2017-05-01  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
17623
17624         PR c++/80038
17625         * cilk_common.c (expand_builtin_cilk_detach): Move pedigree
17626         operations here.
17627         * gimplify.c (gimplify_cilk_detach): New function.
17628         (gimplify_call_expr, gimplify_modify_expr): Call it as needed.
17629         * tree-core.h: Document EXPR_CILK_SPAWN.
17630         * tree.h (EXPR_CILK_SPAWN): Define.
17631
17632 2017-05-01  David Malcolm  <dmalcolm@redhat.com>
17633
17634         * diagnostic-show-locus.c (layout::get_expanded_location): Rewrite
17635         to use new fixit_hint representation, using the "replace" logic.
17636         (get_line_span_for_fixit_hint): Likewise.
17637         (layout::print_any_fixits): Likewise.
17638         (selftest::test_one_liner_many_fixits): Rename to...
17639         (selftest::test_one_liner_many_fixits_1): ...this, and update
17640         comment and expected output to reflect that the multiple fix-it
17641         hints are now consolidated into one insertion.
17642         (selftest::test_one_liner_many_fixits_2): New test.
17643         (selftest::test_diagnostic_show_locus_one_liner): Update for
17644         above.
17645         (selftest::test_fixit_consolidation): Update for fix-it API
17646         change.
17647         * diagnostic.c (print_parseable_fixits): Likewise.
17648         * edit-context.c (edited_line::m_line_events): Convert from
17649         auto_vec <line_event *> to auto_vec <line_event>.
17650         (class line_event): Convert from abstract base class to a concrete
17651         class, taking over the role of replace_event.
17652         (class insert_event): Delete.
17653         (class replace_event): Rename to class line_event.  Convert to
17654         half-open range.
17655         (edit_context::add_fixits): Reimplement.
17656         (edit_context::apply_insert): Delete.
17657         (edit_context::apply_replace): Rename to...
17658         (edit_context::apply_fixit): ...this.  Convert to half-open range.
17659         (edited_file::apply_insert): Delete.
17660         (edited_file::apply_replace): Rename to...
17661         (edited_file::apply_fixit): ...this.
17662         (edited_line::~edited_line): Drop deletion of events.
17663         (edited_line::apply_insert): Delete.
17664         (edited_line::apply_replace): Rename to...
17665         (edited_line::apply_fixit): ...this.  Convert to half-open range.
17666         Update for change to type of m_line_events.
17667         * edit-context.h (edit_context::apply_insert): Delete.
17668         (edit_context::apply_replace): Rename to...
17669         (edit_context::apply_fixit): ...this.
17670
17671 2017-05-01  Martin Sebor  <msebor@redhat.com>
17672
17673         * gimple-ssa-sprintf.c (format_integer): Set knownrange when it's
17674         known.
17675
17676 2017-05-01  Uros Bizjak  <ubizjak@gmail.com>
17677
17678         PR target/68491
17679         * config/i386/cpuid.h (__get_cpuid): Always return 0 when
17680         __get_cpuid_max returns 0.
17681         (__get_cpuid_count): Ditto.
17682
17683 2017-05-01  Eric Botcazou  <ebotcazou@adacore.com>
17684
17685         * tree.c (substitute_in_expr) <tcc_vl_exp>: Also inline a call if the
17686         replacement expression is another instance of one of its arguments.
17687
17688 2017-05-01  Jakub Jelinek  <jakub@redhat.com>
17689
17690         PR target/79430
17691         * rtlanal.c (reg_set_p): If reg is a stack_pointer_rtx, also
17692         check for stack push/pop autoinc.
17693         * config/i386/i386.c (ix86_agi_dependent): Return false
17694         if the only reason why modified_in_p returned true is that
17695         addr is SP based and set_insn is a push or pop.
17696
17697 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17698
17699         * ipa-inline.c (compute_inlined_call_time): Remove now unnecesary
17700         overflow check.
17701
17702 2017-04-29  Jan Hubicka  <hubicka@ucw.cz>
17703
17704         PR ipa/79224
17705         * ipa-inline-analysis.c (dump_predicate): Add optional parameter NL.
17706         (account_size_time): Use two predicates - exec_pred and
17707         nonconst_pred_ptr.
17708         (evaluate_conditions_for_known_args): Compute both clause and
17709         nonspec_clause.
17710         (evaluate_properties_for_edge): Evaulate both clause and nonspec_clause.
17711         (inline_summary_t::duplicate): Update.
17712         (estimate_function_body_sizes): Caluculate exec and nonconst predicates
17713         separately.
17714         (compute_inline_parameters): Likewise.
17715         (estimate_edge_size_and_time): Update caluclation of time.
17716         (estimate_node_size_and_time): Compute both time and nonspecialized
17717         time.
17718         (estimate_ipcp_clone_size_and_time): Update.
17719         (inline_merge_summary): Update.
17720         (do_estimate_edge_time): Update.
17721         (do_estimate_edge_size): Update.
17722         (do_estimate_edge_hints): Update.
17723         (inline_read_section, inline_write_summary): Stream both new predicates.
17724         * ipa-inline.c (compute_uninlined_call_time): Take uninlined_call_time
17725         as argument.
17726         (compute_inlined_call_time): Cleanup.
17727         (big_speedup_p): Update.
17728         (edge_badness): Update.
17729         * ipa-inline.h (INLINE_TIME_SCALE): Remove.
17730         (size_time_entry): Replace predicate by exec_predicate and
17731         nonconst_predicate.
17732         (edge_growth_cache_entry): Cache both time nad nonspecialized time.
17733         (estimate_edge_time): Return also nonspec_time.
17734         (reset_edge_growth_cache): Update.
17735
17736 2017-04-29  Jakub Jelinek  <jakub@redhat.com>
17737
17738         PR rtl-optimization/80491
17739         * ifcvt.c (noce_process_if_block): When looking for x setter
17740         with missing else_bb, don't check only the insn right before
17741         cond_earliest, but look for the last insn that x is modified in
17742         within the same bb.
17743
17744         PR rtl-optimization/80491
17745         * alias.c (memory_modified_in_insn_p): Return true for CALL_INSNs.
17746
17747 2017-04-29  Marc Glisse  <marc.glisse@inria.fr>
17748
17749         PR tree-optimization/80487
17750         * tree-ssa-alias.c (stmt_kills_ref_p): Handle stpncpy and strncpy.
17751
17752 2017-04-29  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
17753
17754         PR tree-optimization/79697
17755         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Check if callee
17756         is BUILT_IN_STRDUP, BUILT_IN_STRNDUP, BUILT_IN_REALLOC.
17757         (propagate_necessity): Check if def_callee is BUILT_IN_STRDUP or
17758         BUILT_IN_STRNDUP.
17759         * gimple-fold.c (gimple_fold_builtin_realloc): New function.
17760         (gimple_fold_builtin): Call gimple_fold_builtin_realloc.
17761
17762 2017-04-28  Martin Sebor  <msebor@redhat.com>
17763
17764         PR tree-optimization/80523
17765         * gimple-ssa-sprintf.c (target_to_host_charmap): New global variable.
17766         (init_target_to_host_charmap, target_to_host, target_strtol10): New
17767         functions.
17768         (maybe_warn, format_directive, parse_directive): Use new functions.
17769         (pass_sprintf_length::execute): Call init_target_to_host_charmap.
17770
17771 2017-04-28  Marc Glisse  <marc.glisse@inria.fr>
17772
17773         * match.pd (X+Z OP Y+Z, X-Z OP Y-Z, Z-X OP Z-Y): New transformations.
17774
17775 2017-04-28  Bernd Edlinger  <bernd.edlinger@hotmail.de>
17776
17777         * configure.ac (SYSTEM_HEADER_DIR, BUILD_SYSTEM_HEADER_DIR,
17778         target_header_dir): Set correctly.
17779         * configure: Regenerated.
17780         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
17781         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
17782         instead of SYSTEM_HEADER_DIR.
17783
17784 2017-04-28  Jan Hubicka  <hubicka@ucw.cz>
17785
17786         * ipa-cp.c (perform_estimation_of_a_value): Turn time to sreal.
17787         (estimate_local_effects): Likewise.
17788         * ipa-inline.c (compute_inlined_call_time, want_inline_small_function_p,
17789         edge_badness, inline_small_functions, dump_overall_stats): LIkewise.
17790         * ipa-inline.h (edge_growth_cache_entry, estimate_time_after_inlining,
17791         estimate_ipcp_clone_size_and_time, do_estimate_edge_time,
17792         do_estimate_edge_time, estimate_edge_time): Likewise.
17793         * ipa-inline-analysis.c (estimate_node_size_and_time,
17794         estimate_ipcp_clone_size_and_time, do_estimate_edge_time): Likewise.
17795         (estimate_time_after_inlining): Remove.
17796
17797 2017-04-28  Martin Liska  <mliska@suse.cz>
17798
17799         * doc/gcov.texi: Enhance documentation of gcov.
17800
17801 2017-04-28  Martin Liska  <mliska@suse.cz>
17802
17803         * doc/gcov.texi: Sort options in alphabetic order.
17804         * doc/gcov-dump.texi: Likewise.
17805         * doc/gcov-tool.texi: Likewise.
17806         * gcov.c (print_usage): Likewise.
17807         * gcov-dump.c (print_usage): Likewise.
17808         * gcov-tool.c (print_merge_usage_message): Likewise.
17809         (print_rewrite_usage_message): Likewise.
17810         (print_overlap_usage_message): Likewise.
17811
17812 2017-04-28  Martin Liska  <mliska@suse.cz>
17813
17814         PR gcov-profile/53915
17815         * gcov.c (format_gcov): Print 'NAN %' when top > bottom.
17816
17817 2017-04-28  Martin Liska  <mliska@suse.cz>
17818
17819         PR gcov-profile/79891
17820         * gcov.c (add_line_counts): Assign BBs to lines just if the BB
17821         is marked by compiler as living on a line.
17822         (get_cycles_count): Remove usage of the union.
17823         (output_intermediate_file): Likewise.
17824         (find_source): Fix GNU coding style.
17825         (accumulate_line_counts): Remove old non-all block mode.
17826         (output_lines): Remove usage of the union.
17827         * profile.c (output_location): Include all BBs, even if
17828         belonging to a same line (and file) as a previous BB.
17829
17830 2017-04-28  Martin Liska  <mliska@suse.cz>
17831
17832         * gcov.c (process_args): Handle new argument 'w'.
17833         (read_graph_file): Assign ID to BBs.
17834         (output_branch_count): Display BB # if verbose flag is set.
17835         (output_lines): Likewise for arcs.
17836         (print_usage): Add '--verbose' option help.
17837         * doc/gcov.texi: Document --verbose (-w) option.
17838
17839 2017-04-28  Martin Liska  <mliska@suse.cz>
17840
17841         * gcov.c (struct block_location_info): New struct.
17842         (process_file): Fill up the new structure.
17843         (read_graph_file): Replace usage of encoding by the newly added
17844         struct.
17845         (add_line_counts): Likewise.
17846         (accumulate_line_counts): Remove usage of the union.
17847         (function_info::function_info): New function.
17848         (function_info::~function_info): Likewise.
17849         (process_file): Call delete instead of release_function.
17850         (release_function): Release the function.
17851         (release_structures): Call delete instead of release_function.
17852         (solve_flow_graph): Replace usage of num_blocks.
17853         (find_exception_blocks): Likewise.
17854         (output_lines): Fix GNU coding style.
17855
17856 2017-04-28  Martin Liska  <mliska@suse.cz>
17857
17858         PR driver/56469
17859         * coverage.c (coverage_remove_note_file): New function.
17860         * coverage.h: Declare the function.
17861         * toplev.c (finalize): Clean if an error has been seen.
17862
17863 2017-04-28  Martin Liska  <mliska@suse.cz>
17864
17865         PR gcov-profile/80031
17866         * gcov-dump.c (tag_blocks): Just print number of basic blocks.
17867         * gcov-io.h (GCOV_TAG_BLOCKS_NUM): Remove unused macro.
17868         * gcov.c (read_graph_file): Read just number of blocks.
17869         * profile.c (branch_prob): Do not stream 0 flags per a basic
17870         block.
17871
17872 2017-04-28  Martin Liska  <mliska@suse.cz>
17873
17874         * gcov-dump.c (tag_*): Add new argument to declarations.
17875         (dump_gcov_file): Likewise.
17876         (tag_blocks): Add and use new argument depth.
17877         (tag_arcs): Likewise.
17878         (tag_lines): Likewise.
17879         (tag_counters): Likewise.
17880         (tag_summary): Likewise.
17881         (dump_working_sets): Use depth to do a proper indentation.
17882
17883 2017-04-28  Jakub Jelinek  <jakub@redhat.com>
17884
17885         PR bootstrap/80531
17886         * cgraph.h (symtab_node::debug_symtab): No longer inline.
17887         * symtab.c (symtab_node::debug_symtab): Move definition here.
17888
17889 2017-04-28  Richard Biener  <rguenther@suse.de>
17890
17891         * lto-streamer.h (LTO_major_version): Bump to 7.
17892
17893 2017-04-28  Richard Biener  <rguenther@suse.de>
17894
17895         * tree-vrp.c (assert_info): New struct.
17896         (add_assert_info): New helper.
17897         (register_edge_assert_for_2): Refactor to add asserts to a vector
17898         of assert_info.
17899         (register_edge_assert_for_1): Likewise.
17900         (register_edge_assert_for): Likewise.
17901         (finish_register_edge_assert_for): New helper actually registering
17902         asserts where live on edge.
17903         (find_conditional_asserts): Adjust.
17904         (find_switch_asserts): Likewise.
17905         (evrp_dom_walker::try_find_new_range): Generalize.
17906         (evrp_dom_walker::before_dom_children): Use register_edge_assert_for.
17907
17908 2017-04-27  Marek Polacek  <polacek@redhat.com>
17909
17910         PR sanitizer/80349
17911         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Convert
17912         arg10 and arg11 to itype.
17913
17914 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
17915
17916         * doc/extend.texi (Object Size Checking): Improve grammar.
17917
17918 2017-04-27  Richard Earnshaw  <rearnsha@arm.com>
17919
17920         PR target/80530
17921         * config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Ensure
17922         that the logic for permitting reciprocal estimates matches that
17923         in use_rsqrt_p.
17924
17925 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17926
17927         PR c++/80534
17928         * tree.c (type_cache_hasher::equal): Only compare
17929         TYPE_TYPELESS_STORAGE flag on non-aggregate element types.
17930         (build_array_type_1): Only hash TYPE_TYPELESS_STORAGE flag on
17931         non-aggregate element types.
17932         * tree.h (TYPE_TYPELESS_STORAGE): Fix comment typo, add more details
17933         about the flag on ARRAY_TYPEs in the comment, formatting fix.
17934
17935 2017-04-27  Richard Biener  <rguenther@suse.de>
17936
17937         PR middle-end/80533
17938         * emit-rtl.c (set_mem_attributes_minus_bitpos): When
17939         stripping ARRAY_REFs from MEM_EXPR make sure we're not
17940         keeping a reference to a trailing array.
17941
17942 2017-04-27  Richard Biener  <rguenther@suse.de>
17943
17944         PR middle-end/80539
17945         * tree-chrec.c (chrec_fold_plus_poly_poly): Deal with not
17946         being in loop-closed SSA form conservatively.
17947         (chrec_fold_multiply_poly_poly): Likewise.
17948
17949 2017-04-27  Tamar Christina  <tamar.christina@arm.com>
17950
17951         PR middle-end/79665
17952         * expr.c (expand_expr_real_2): Move TRUNC_MOD_EXPR, FLOOR_MOD_EXPR,
17953         CEIL_MOD_EXPR, ROUND_MOD_EXPR cases.
17954
17955 2017-04-27  Jakub Jelinek  <jakub@redhat.com>
17956
17957         PR target/77728
17958         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): Remove.
17959         (aarch64_function_arg_alignment): Return unsigned int again, but still
17960         ignore TYPE_FIELDS chain decls other than FIELD_DECLs.
17961         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
17962         Don't emit -Wpsabi note.
17963         (aarch64_function_arg_boundary): Likewise.
17964         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
17965         caller.
17966
17967 2017-04-26  Nathan Sidwell  <nathan@acm.org>
17968
17969         * tree.h (crc32_unsigned_n): Declare.
17970         (crc32_unsigned, crc32_unsigned): Make inline.
17971         * tree.c (crc32_unsigned_bits): Replace with ...
17972         (crc32_unsigned_n): ... this.
17973         (crc32_unsigned, crc32_byte): Remove.
17974         (crc32_string): Remove unnecessary braces.
17975
17976 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
17977
17978         * ipa-cp.c (estimate_local_effects): Convert sreal to int.
17979         * ipa-inline-analysis.c (MAX_TIME): Remove.
17980         (account_size_time): Use sreal for time.
17981         (dump_inline_summary): Update.
17982         (estimate_function_body_sizes): Update.
17983         (estimate_edge_size_and_time): Update.
17984         (estimate_calls_size_and_time): Update.
17985         (estimate_node_size_and_time): Update.
17986         (inline_merge_summary): Update.
17987         (inline_update_overall_summary): Update.
17988         (estimate_time_after_inlining): Update.
17989         (inline_read_section): Update.
17990         (inline_write_summary): Update.
17991         * ipa-inline.c (compute_uninlined_call_time): Update.
17992         (compute_inlined_call_time): Update.
17993         (recursive_inlining): Update.
17994         (inline_small_functions): Update.
17995         (dump_overall_stats): Update.
17996         * ipa-inline.h: Include sreal.h.
17997         (size_time_entry): Turn time to sreal.
17998         (inline_summary): Turn self_time nad time to sreal.
17999
18000 2017-04-25  Jan Hubicka  <hubicka@ucw.cz>
18001
18002         * sreal.c: Include backend.h, tree.h, gimple.h, cgraph.h and
18003         data-streamer.h
18004         (sreal::stream_out, sreal::stream_in): New.
18005         * sreal.h (sreal::stream_out, sreal::stream_in): Declare.
18006
18007 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
18008
18009         * Makefile.in (s-options): Invoke opt-gather.awk with LC_ALL=C in the
18010         environment.
18011
18012 2017-04-25  Uros Bizjak  <ubizjak@gmail.com>
18013
18014         PR target/70799
18015         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p):
18016         Handle ASHIFTRT.
18017         (dimode_scalar_chain::compute_convert_gain): Ditto.
18018         (dimode_scalar_chain::make_vector_copies): Ditto.
18019         (dimode_scalar_chain::convert_reg): Ditto.
18020         (dimode_scalar_chain::convert_insn): Ditto.
18021         * config/i386/sse.md (VI24_AVX512BW_1): Remove mode iterator.
18022         (VI248_AVX512BW_1): New mode iterator.
18023         (<mask_codefor>ashr<mode>3<mask_name>): Merge insn pattern with
18024         <mask_codefor>ashrv2di3<mask_name> insn using VI248_AVX512BW_1
18025         mode iterator.
18026
18027 2017-04-25  Martin Sebor  <msebor@redhat.com>
18028
18029         PR tree-optimization/80497
18030         * gimple-ssa-sprintf.c (get_int_range): Avoid assuming all integer
18031         constants are representable in HOST_WIDE_INT.
18032         (parse_directive): Ditto.
18033
18034 2017-04-25  Martin Sebor  <msebor@redhat.com>
18035
18036         PR bootstrap/80486
18037         * dominance.c (dom_info::m_n_basic_blocks): Change type to unsigned.
18038         (new_zero_array): Adjust signature.
18039         (dom_info::dom_init): Used unsigned rather that size_t.
18040         (dom_info::dom_info): Same.
18041
18042 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18043             Jakub Jelinek  <jakub@redhat.com>
18044
18045         PR target/77728
18046         * config/arm/arm.c: Include gimple.h.
18047         (aapcs_layout_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18048         returns negative, increment ncrn only if it returned positive.
18049         (arm_needs_doubleword_align): Return int instead of bool,
18050         ignore DECL_ALIGN of non-FIELD_DECL TYPE_FIELDS chain
18051         members, but if there is any such non-FIELD_DECL
18052         > PARM_BOUNDARY aligned decl, return -1 instead of false.
18053         (arm_function_arg): Emit -Wpsabi note if arm_needs_doubleword_align
18054         returns negative, increment nregs only if it returned positive.
18055         (arm_setup_incoming_varargs): Likewise.
18056         (arm_function_arg_boundary): Emit -Wpsabi note if
18057         arm_needs_doubleword_align returns negative, return
18058         DOUBLEWORD_ALIGNMENT only if it returned positive.
18059
18060 2017-04-25  Marek Polacek  <polacek@redhat.com>
18061
18062         PR sanitizer/80349
18063         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18064         first argument to type.
18065
18066 2017-04-25  Bill Seurer  <seurer@linux.vnet.ibm.com>
18067
18068         PR target/80482
18069         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Change
18070         type checks to test for compatibility instead of equality.
18071
18072 2017-04-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18073             Jakub Jelinek  <jakub@redhat.com>
18074
18075         PR target/77728
18076         * config/aarch64/aarch64.c (struct aarch64_fn_arg_alignment): New
18077         type.
18078         (aarch64_function_arg_alignment): Return aarch64_fn_arg_alignment
18079         struct.  Ignore DECL_ALIGN of decls other than FIELD_DECL for
18080         the alignment computation, but return their maximum in warn_alignment.
18081         (aarch64_layout_arg): Adjust aarch64_function_arg_alignment caller.
18082         Emit a -Wpsabi note if warn_alignment is 16 bytes, but alignment
18083         is smaller.
18084         (aarch64_function_arg_boundary): Likewise.  Simplify using MIN/MAX.
18085         (aarch64_gimplify_va_arg_expr): Adjust aarch64_function_arg_alignment
18086         caller.
18087
18088 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18089
18090         * config/arc/simdext.md (dmpyh): Fix typo.
18091
18092 2017-04-25  Richard Biener  <rguenther@suse.de>
18093
18094         PR tree-optimization/80492
18095         * alias.c (compare_base_decls): Handle registers with asm
18096         specification conservatively.
18097         * tree-ssa-alias.c (decl_refs_may_alias_p): Handle
18098         compare_base_decls returning dont-know properly.
18099
18100 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18101
18102         * config/arc/arc.c (LEGITIMATE_OFFSET_ADDRESS_P): Delete macro.
18103         (legitimate_offset_address_p): New function.
18104         (arc_legitimate_address_p): Use above function.
18105
18106 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18107
18108         * config/arc/arc.c (arc_output_mi_thunk): Emit PIC calls.
18109
18110 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18111
18112         * config/arc/arc.c (arc_conditional_register_usage): Use ACCL,
18113         ACCH registers whenever they are available.
18114
18115 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18116
18117         * config/arc/arc.c (arc_conditional_register_usage): Make D0, D1
18118         double regs fix when not used.
18119
18120 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18121
18122         * config/arc/arc.h (REGNO_OK_FOR_BASE_P): Consider also extension
18123         core registers.
18124         (REG_OK_FOR_INDEX_P_NONSTRICT): Likewise.
18125         (REG_OK_FOR_BASE_P_NONSTRICT): Likewise.
18126
18127 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18128
18129         * config/arc/arc.c (arc_output_addsi): Check for h-register class
18130         when emitting short ADD instructions.
18131
18132 2017-04-25  Claudiu Zissulescu  <claziss@synopsys.com>
18133
18134         * config/arc/arc.md (cmpsi_cc_insn_mixed): Use 'h' register
18135         constraint.
18136         (cmpsi_cc_c_insn): Likewise.
18137         (cbranchsi4_scratch): Compute proper instruction length using
18138         compact_hreg_operand.
18139         * config/arc/predicates.md (compact_hreg_operand): New predicate.
18140
18141 2017-04-25  Richard Biener  <rguenther@suse.de>
18142
18143         PR middle-end/80509
18144         * passes.c (pass_manager::pass_manager): Initialize
18145         m_name_to_pass_map.
18146
18147 2017-04-25  Richard Biener  <rguenther@suse.de>
18148
18149         PR tree-optimization/79201
18150         * tree-ssa-sink.c (statement_sink_location): Handle calls.
18151
18152 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18153
18154         PR target/80464
18155         * config/s390/vector.md: Split MEM->GPR vector moves for
18156         non-s_operand addresses.
18157
18158 2017-04-25  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
18159
18160         PR target/79895
18161         * config/s390/predicates.md (reload_const_wide_int_operand): New
18162         predicate.
18163         * config/s390/s390.md ("movti"): Remove d/P alternative.
18164         ("movti_bigconst"): New pattern definition.
18165
18166 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18167
18168         PR target/80080
18169         * s390-protos.h (s390_expand_cs_hqi): Removed.
18170         (s390_expand_cs, s390_expand_atomic_exchange_tdsi): New prototypes.
18171         * config/s390/s390.c (s390_emit_compare_and_swap): Handle all integer
18172         modes as well as CCZ1mode and CCZmode.
18173         (s390_expand_atomic_exchange_tdsi, s390_expand_atomic): Adapt to new
18174         signature of s390_emit_compare_and_swap.
18175         (s390_expand_cs_hqi): Likewise, make static.
18176         (s390_expand_cs_tdsi): Generate an explicit compare before trying
18177         compare-and-swap, in some cases.
18178         (s390_expand_cs): Wrapper function.
18179         (s390_expand_atomic_exchange_tdsi): New backend specific expander for
18180         atomic_exchange.
18181         (s390_match_ccmode_set): Allow CCZmode <-> CCZ1 mode.
18182         * config/s390/s390.md ("atomic_compare_and_swap<mode>"): Merge the
18183         patterns for small and large integers.  Forbid symref memory operands.
18184         Move expander to s390.c.  Require cc register.
18185         ("atomic_compare_and_swap<DGPR:mode><CCZZ1:mode>_internal")
18186         ("*atomic_compare_and_swap<TDI:mode><CCZZ1:mode>_1")
18187         ("*atomic_compare_and_swapdi<CCZZ1:mode>_2")
18188         ("*atomic_compare_and_swapsi<CCZZ1:mode>_3"): Use s_operand to forbid
18189         symref memory operands.  Remove CC mode and call s390_match_ccmode
18190         instead.
18191         ("atomic_exchange<mode>"): Allow and implement all integer modes.
18192
18193 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18194
18195         * config/s390/s390.md (define_peephole2): New peephole to help
18196         combining the load-and-test pattern with volatile memory.
18197
18198 2017-04-25  Dominik Vogt  <vogt@linux.vnet.ibm.com>
18199
18200         * config/s390/s390.md ("cstorecc4"): Use load-on-condition and deal
18201         with CCZmode for TARGET_Z196.
18202
18203 2017-04-25  Jakub Jelinek  <jakub@redhat.com>
18204
18205         PR rtl-optimization/80501
18206         * combine.c (make_compound_operation_int): Set subreg_code to SET
18207         even for AND with mask of the sign bit of mode.
18208
18209         PR rtl-optimization/80500
18210         * loop-unroll.c (combine_var_copies_in_loop_exit): Call copy_rtx on
18211         sum's initial value.
18212
18213 2017-04-25  Julian Brown  <julian@codesourcery.com>
18214             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18215
18216         * config/aarch64/thunderx2t99.md (thunderx2t99_crc): New Reservation.
18217
18218 2017-04-25  Marc Glisse  <marc.glisse@inria.fr>
18219
18220         * fold-const.c (tree_single_nonzero_warnv_p): Handle SSA_NAME.
18221
18222 2017-04-25  Julian Brown  <julian@codesourcery.com>
18223             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18224
18225         * config/aarch64/thunderx2t99.md (thunderx2t99_aes): New Reservation.
18226         (thunderx2t99_sha): New Reservation.
18227
18228 2017-04-25  Julian Brown  <julian@codesourcery.com>
18229             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
18230
18231         * config/aarch64/aarch64-simd.md (aarch64_simd_vec_set<mode>): Fix
18232         type for 1-element load.
18233
18234 2017-04-24  Marc Glisse  <marc.glisse@inria.fr>
18235
18236         * match.pd (X/[ex]C CMP Y/[ex]C): New transformation.
18237
18238 2017-04-24  Martin Jambor  <mjambor@suse.cz>
18239
18240         PR tree-optimization/80293
18241         * tree-sra.c (scalarizable_type_p): New parameter const_decl, make
18242         char arrays not totally scalarizable if it is false.
18243         (analyze_all_variable_accesses): Pass correct value in the new
18244         parameter.  Add a statistics counter.
18245
18246 2017-04-24  Jan Hubicka  <hubicka@ucw.cz>
18247
18248         PR middle-end/79931
18249         * ipa-devirt.c (dump_possible_polymorphic_call_targets): Fix ICE.
18250
18251 2017-04-24  Richard Biener  <rguenther@suse.de>
18252
18253         PR tree-optimization/80494
18254         * tree-scalar-evolution.c (analyze_scalar_evolution_1): Bail
18255         out for complex types.
18256
18257 2017-04-24  Richard Biener  <rguenther@suse.de>
18258
18259         * tree-ssa-sccvn.h (run_scc_vn): Adjust prototype.
18260         * tree-ssa-sccvn.c (print_scc): Print SCC size.
18261         (extract_and_process_scc_for_name): Never fail but drop SCC to varying.
18262         (DFS): Adjust and never fail.
18263         (sccvn_dom_walker::fail): Remove.
18264         (sccvn_dom_walker::before_dom_children): Adjust.
18265         (run_scc_vn): Likewise and never fail.
18266         * tree-ssa-pre.c (pass_pre::execute): Adjust.
18267         (pass_fre::execute): Likewise.
18268
18269 2017-04-24  Richard Biener  <rguenther@suse.de>
18270
18271         PR tree-optimization/79725
18272         * tree-ssa-sink.c (statement_sink_location): Return whether
18273         failure reason was zero uses.  Move that check later.
18274         (sink_code_in_bb): Deal with zero uses by removing the stmt
18275         if possible.
18276
18277 2017-04-24  Richard Biener  <rguenther@suse.de>
18278
18279         PR c++/2972
18280         * tree-ssa-uninit.c (warn_uninitialized_vars): Handle some
18281         pointer-based references.
18282
18283 2017-04-24  Richard Biener  <rguenther@suse.de>
18284
18285         PR bootstrap/79814
18286         * pass_manager.h (pass_manager::operator new): Remove.
18287         (pass_manager::operator delete): Likewise.
18288         * passes.c (pass_manager::operator new): Remove.
18289         (pass_manager::operator delete): Likewise.
18290         (pass_manager::pass_manager): Zero individual pass members.
18291
18292 2017-04-23  Uros Bizjak  <ubizjak@gmail.com>
18293
18294         PR target/70799
18295         * config/i386/i386.c (dimode_scalar_to_vector_candidate_p)
18296         <case ASHIFT, case LSHIFTRT>: Also consider variable shifts.
18297         Check "XEXP (src, 1)" operand here.
18298         <case PLUS, case MINUS, case IOR, case XOR, case AND>:
18299         Check "XEXP (src, 1)" operand here.
18300         (dimode_scalar_chain::make_vector_copies): Detect count register
18301         of a shift instruction.  Zero extend count register from QImode
18302         to DImode to satisfy vector shift pattern count operand predicate.
18303         Substitute vector shift count operand with a DImode copy.
18304         (dimode_scalar_chain::convert_reg): Ditto, zero-extend from
18305         vector register.
18306
18307 2017-04-21  Uros Bizjak  <ubizjak@gmail.com>
18308
18309         * config/i386/i386.md (*extzvqi_mem_rex64): Move above *extzv<mode>.
18310         Remove UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18311         (*insvqi_1_mem_rex64): Move above insv<mode>_1.  Remove
18312         UNSPEC_NOREX_MEM tag.  Update corresponding peephole2 pattern.
18313         (UNSPEC_NOREX_MEM): Remove definition.
18314
18315 2017-04-21  Richard Biener  <rguenther@suse.de>
18316
18317         PR tree-optimization/79547
18318         * tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
18319         Handle strlen, strcmp, strncmp, strcasecmp, strncasecmp, memcmp,
18320         bcmp, strspn, strcspn, __builtin_object_size and __builtin_constant_p
18321         without any constraints.
18322
18323 2017-04-21  Richard Biener  <rguenther@suse.de>
18324
18325         PR tree-optimization/78847
18326         * fold-const.c (split_tree): Handle POINTER_PLUS_EXPR.
18327
18328 2017-04-21  Richard Biener  <rguenther@suse.de>
18329
18330         * tree.h (build_qualified_type): Annotate with CXX_MEM_STAT_INFO.
18331         (build_distinct_type_copy): Likewise.
18332         (build_variant_type_copy): Likewise.
18333         * tree.c (build_qualified_type): Pass down mem-stat info.
18334         (build_distinct_type_copy): Likewise.
18335         (build_variant_type_copy): Likewise.
18336
18337 2017-04-21  Richard Biener  <rguenther@suse.de>
18338
18339         PR tree-optimization/80237
18340         * tree-ssa-pre.c (find_leader_in_sets): Add third set argument,
18341         defaulted to NULL.
18342         (phi_translate_1): Also allow a leader in AVAIL_OUT of pred
18343         for a simplified result.
18344
18345 2016-04-21  Richard Biener  <rguenther@suse.de>
18346
18347         * tree-ssa-loop-ivcanon.c (constant_after_peeling): Do not require
18348         sth as strict as a simple_iv but a chrec without symbols and an
18349         operand defined in the loop we are peeling (and not some subloop).
18350         (propagate_constants_for_unrolling): Propagate all constants.
18351
18352 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18353
18354         PR target/79804
18355         * config/i386/i386.c (print_reg): Remove assert for disalowed
18356         regno values, call output_operand_lossage instead.
18357
18358 2017-04-20  Uros Bizjak  <ubizjak@gmail.com>
18359
18360         PR target/78090
18361         * config/i386/constraints.md (Yc): New register constraint.
18362         * config/i386/i386.md (*float<SWI48:mode><MODEF:mode>2_mixed):
18363         Use Yc constraint for alternative 2 of operand 0.  Remove
18364         preferred_for_speed attribute.
18365
18366 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18367
18368         * omp-low.c (lower_lastprivate_clauses): Correct handling of linear and
18369         lastprivate clauses in SIMT case.
18370
18371 2017-04-20  Volker Reichelt  <v.reichelt@netcologne.de>
18372
18373         * doc/invoke.texi (-Wextra-semi): Document new warning option.
18374
18375 2017-04-20  Richard Biener  <rguenther@suse.de>
18376
18377         PR tree-optimization/57796
18378         * tree-vect-stmts.c (vect_model_store_cost): Cost scatters
18379         as N scalar stores.
18380         (vect_model_load_cost): Cost gathers as N scalar loads.
18381
18382 2017-04-20  Richard Biener  <rguenther@suse.de>
18383
18384         * ggc-page.c (ggc_allocated_p): Rename to ...
18385         (safe_lookup_page_table_entry): ... this and return the lookup
18386         result.
18387         (gt_ggc_m_S): Use safe_lookup_page_table_entry.
18388
18389 2017-04-20  Richard Biener  <rguenther@suse.de>
18390
18391         PR tree-optimization/80453
18392         * tree-ssa-sccvn.h (struct vn_phi_s): Add cclhs and ccrhs members.
18393         * tree-ssa-sccvn.c (cond_stmts_equal_p): Use recorded lhs and rhs
18394         from the conditions.
18395         (vn_phi_eq): Pass them down.
18396         (vn_phi_lookup): Record them.
18397         (vn_phi_insert): Likewise.
18398
18399 2017-04-20  Matthew Fortune  <matthew.fortune@imgtec.com>
18400
18401         * config/mips/mips.c (mips_expand_vec_perm_const): Re-fix
18402         uninitialized variable warning to avoid buffer overrun.
18403
18404 2017-04-20  Alexander Monakov  <amonakov@ispras.ru>
18405
18406         PR other/71250
18407         * doc/invoke.texi (-Wmissing-field-initializers): Mention that warning
18408         is suppressed for '{ 0 }' in C.
18409
18410 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18411
18412         * BASE-VER: Set to 8.0.0.
18413
18414 2017-04-20  Thomas Preud'homme  <thomas.preudhomme@arm.com>
18415
18416         * config/arm/arm.c (arm_elf_asm_cdtor): Create non-default
18417         priority .init_array and .fini_array section with SECTION_NOTYPE
18418         flag.
18419
18420 2017-04-20  Jakub Jelinek  <jakub@redhat.com>
18421
18422         PR middle-end/80423
18423         * tree.h (build_array_type): Add typeless_storage default argument.
18424         * tree.c (type_cache_hasher::equal): Also compare
18425         TYPE_TYPELESS_STORAGE flag for ARRAY_TYPEs.
18426         (build_array_type): Add typeless_storage argument, set
18427         TYPE_TYPELESS_STORAGE to it, if shared also hash it, and pass to
18428         recursive call.
18429         (build_nonshared_array_type): Adjust build_array_type_1 caller.
18430         (build_array_type): Likewise.  Add typeless_storage argument.
18431
18432 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18433             Jakub Jelinek  <jakub@redhat.com>
18434
18435         PR tree-optimization/80426
18436         * tree-vrp.c (extract_range_from_binary_expr_1): For an additive
18437         operation on symbolic operands, also compute the overflow for the
18438         invariant part when the operation degenerates into a negation.
18439
18440 2017-04-19  Jakub Jelinek  <jakub@redhat.com>
18441
18442         PR debug/80461
18443         * dwarf2out.c (modified_type_die, gen_type_die_with_usage):
18444         Check for t with zero TYPE_QUALS_NO_ADDR_SPACE.
18445
18446         PR debug/80436
18447         * tree-ssa-loop-manip.c (find_uses_to_rename_def): Ignore debug uses.
18448
18449 2017-04-19  Georg-Johann Lay  <avr@gjlay.de>
18450
18451         PR target/80462
18452         * config/avr/avr.c (tree.h): Include it.
18453         (cgraph.h): Include it.
18454         (avr_encode_section_info): Don't warn for uninitialized progmem
18455         variable if it's just an alias.
18456
18457 2017-04-19  Richard Biener  <rguenther@suse.de>
18458
18459         PR ipa/65972
18460         * auto-profile.c (afdo_vpt_for_early_inline): Update SSA
18461         when needed by AutoPGO.
18462
18463 2017-04-19  Paulo J. Matos  <paulo@matos-sorge.com>
18464
18465         PR lto/50345
18466         * doc/lto.texi: Remove an extra 'that'.
18467
18468 2017-04-19  Segher Boessenkool  <segher@kernel.crashing.org>
18469
18470         PR rtl-optimization/80429
18471         * ira.c (split_live_ranges_for_shrink_wrap): Don't split regs that
18472         are only used in debug insns.
18473
18474 2017-04-19  Eric Botcazou  <ebotcazou@adacore.com>
18475             Vladimir Makarov  <vmakarov@redhat.com>
18476
18477         * config/sparc/predicates.md (input_operand): Add comment.  Return
18478         true for any memory operand when LRA is in progress.
18479         * config/sparc/sparc.c (sparc_expand_move): Minor formatting fix.
18480
18481 2017-04-18  Jeff Law  <law@redhat.com>
18482
18483         PR target/74563
18484         * mips.md ({return,simple_return}_internal): Do not overwrite
18485         operands[0].
18486
18487 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18488
18489         PR tree-optimization/80443
18490         * tree-vrp.c (intersect_ranges): For signed 1-bit precision type,
18491         instead of adding 1, subtract -1 and similarly instead of subtracting
18492         1 add -1.
18493
18494 2017-04-18  Richard Sandiford  <richard.sandiford@arm.com>
18495
18496         PR rtl-optimization/80357
18497         * haifa-sched.c (tmp_bitmap): New variable.
18498         (model_recompute): Handle duplicate use records.
18499         (alloc_global_sched_pressure_data): Initialize tmp_bitmap.
18500         (free_global_sched_pressure_data): Free it.
18501
18502 2017-04-18  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18503
18504         Revert:
18505         2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
18506         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
18507         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
18508         instead of SYSTEM_HEADER_DIR.
18509
18510 2017-04-18  Jeff Law  <law@redhat.com>
18511
18512         PR middle-end/80422
18513         * cfgcleanup.c (try_crossjump_to_edge): Verify SRC1 and SRC2 have
18514         predecessors after walking up the insn chain.
18515
18516 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18517
18518         PR debug/80263
18519         * dwarf2out.c (modified_type_die): Try harder not to emit internal
18520         sizetype type into debug info.
18521
18522 2017-04-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
18523
18524         PR target/80099
18525         * config/rs6000/rs6000.c (rs6000_expand_vector_extract): Eliminate
18526         unneeded test for TARGET_UPPER_REGS_SF.
18527         * config/rs6000/vsx.md (vsx_extract_v4sf_var): Likewise.
18528
18529 2017-04-18  Jakub Jelinek  <jakub@redhat.com>
18530
18531         PR sanitizer/80444
18532         * sancov.c (sancov_pass): Use gsi_start_nondebug_after_labels_bb
18533         instead of gsi_after_labels.
18534
18535 2017-04-18  Jeff Law  <law@redhat.com>
18536
18537         * regcprop.c (maybe_mode_change): Avoid creating copies of the
18538         stack pointer.
18539
18540         Revert:
18541         2017-04-13  Jeff Law  <law@redhat.com>
18542         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18543         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18544
18545 2017-04-18  Georg-Johann Lay  <avr@gjlay.de>
18546
18547         PR target/79453
18548         * config/avr/avr.c (intl.h): Include it.
18549         (avr_pgm_check_var_decl) [reason]: Wrap diagnostic snippets into _().
18550
18551 2017-04-18  Martin Liska  <mliska@suse.cz>
18552
18553         PR gcov-profile/78783
18554         * gcov-tool.c (gcov_output_files): Validate that destination
18555         file is either removed by the tool or by a user.
18556
18557 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18558             Guy Benyei  <guybe@mellanox.com>
18559
18560         * config/arc/arc.c (arc_reorg): Move loop_end_id into a more local
18561         block, and do not negate it, the stored id is already negative.
18562
18563 2017-04-14  Andrew Burgess  <andrew.burgess@embecosm.com>
18564
18565         * config/arc/arc.md (doloop_begin_i): Use @pcl assembler syntax.
18566
18567 2017-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
18568
18569         PR target/80098
18570         * config/rs6000/rs6000-cpus.def (OTHER_P9_VECTOR_MASKS): Define
18571         masks of options that should be turned off if the VSX vector
18572         options are turned off.
18573         (OTHER_P8_VECTOR_MASKS): Likewise.
18574         (OTHER_VSX_VECTOR_MASKS): Likewise.
18575         * config/rs6000/rs6000.c (rs6000_option_override_internal): Call
18576         rs6000_disable_incompatible_switches to validate no type switches
18577         like -mvsx.
18578         (rs6000_incompatible_switch): New function to disallow turning on
18579         other vector options if -mno-vsx, -mno-power8-vector, or
18580         -mno-power9-vector are specified.
18581
18582 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18583
18584         * config/arc/arc.h (CRT_CALL_STATIC_FUNCTION): Use long calls.
18585
18586 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18587
18588         * config/arc/arc-protos.h (arc_decl_pretend_args): Remove.
18589         * config/arc/arc.c (arc_decl_pretend_args): Likewise.
18590         * config/arc/arc.h (CFA_FRAME_BASE_OFFSET): Likewise.
18591         (ARG_POINTER_CFA_OFFSET): Likewise.
18592
18593 2017-04-14  Claudiu Zissulescu  <claziss@synopsys.com>
18594
18595         * config/arc/arc.c (arc_mode_dependent_address_p): Relax
18596         conditions to take advantage of various optimizations.
18597
18598 2017-04-13  Jeff Law  <law@redhat.com>
18599
18600         * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
18601         in operands[1] if it is a MEM and TARGET_MIPS16 is active.
18602         (zero_extendsidi2_dext): Likewise.
18603
18604 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18605
18606         PR sanitizer/80403
18607         * fold-const.c (fold_ternary_loc): Revert
18608         use op0 instead of fold_convert_loc (loc, type, arg0) part of
18609         2017-04-12 change.
18610
18611 2017-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18612
18613         PR rtl-optimization/80343
18614         * lra-remat.c (update_scratch_ops): Assign original hard reg to
18615         new scratch pseudo.
18616
18617 2017-04-13  Denis Khalikov <d.khalikov@partner.samsung.com>
18618
18619         PR sanitizer/80414
18620         * ubsan.c (ubsan_expand_bounds_ifn): Pass original index
18621         to ubsan_encode_value.
18622
18623 2017-04-13  Jeff Law  <law@redhat.com>
18624
18625         * reload1.c (eliminate_regs_1): Call gen_rtx_raw_SUBREG for SUBREGs
18626         appearing in DEBUG_INSNs.
18627
18628 2017-04-13  Martin Liska  <mliska@suse.cz>
18629
18630         PR gcov-profile/80413
18631         * gcov-io.c (gcov_write_string): Copy to buffer just when
18632         allocated size is greater than zero.
18633
18634 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
18635
18636         PR debug/80321
18637         * dwarf2out.c (decls_for_scope): Ignore declarations of
18638         current_function_decl in BLOCK_NONLOCALIZED_VARS.
18639
18640 2017-04-12  Jan Hubicka  <hubicka@ucw.cz>
18641
18642         PR lto/69953
18643         * ipa-visibility.c (non_local_p): Fix typos.
18644         (localize_node): When localizing symbol in same comdat group,
18645         dissolve the group only when we know external symbols are going
18646         to be privatized.
18647         (function_and_variable_visibility): Do not localize DECL_EXTERNAL.
18648
18649 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18650
18651         PR tree-optimization/79390
18652         * optabs.c (emit_conditional_move): If the preferred op2/op3 operand
18653         order does not result in usable sequence, retry with reversed operand
18654         order.
18655
18656         PR sanitizer/80403
18657         PR sanitizer/80404
18658         PR sanitizer/80405
18659         * fold-const.c (fold_ternary_loc): Use op1 instead of arg1 as argument
18660         to fold_build2_loc.  Convert TREE_OPERAND (tem, 0) to type.  Use
18661         op0 instead of fold_convert_loc (loc, type, arg0).
18662
18663 2017-04-12  Jeff Law  <law@redhat.com>
18664
18665         * genattrtab.c (write_eligible_delay): Verify DELAY_INSN still
18666         has a delay slot in the generated code.
18667
18668         * config/cris/cris.md (cris_preferred_reload_class): Return
18669         GENNONACR_REGS rather than GENERAL_REGS.
18670
18671 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18672
18673         PR c/80163
18674         * expr.c <CASE_CONVERT>: For EXPAND_INITIALIZER determine SIGN_EXTEND
18675         vs. ZERO_EXTEND based on signedness of treeop0's type rather than
18676         signedness of the result type.
18677
18678 2017-04-12  Richard Biener  <rguenther@suse.de>
18679             Jeff Law  <law@redhat.com>
18680
18681         PR tree-optimization/80359
18682         * tree-ssa-dse.c (maybe_trim_partially_dead_store): Do not
18683         trim stores to TARGET_MEM_REFs.
18684
18685 2017-04-12  Richard Biener  <rguenther@suse.de>
18686
18687         PR tree-optimization/79390
18688         * gimple-ssa-split-paths.c (is_feasible_trace): Restrict
18689         threading case even more.
18690
18691 2017-04-12  Segher Boessenkool  <segher@kernel.crashing.org>
18692
18693         PR target/80382
18694         * config/rs6000/sync.md (atomic_load<mode>, atomic_store<mode): Test
18695         for quad_address_p for TImode, instead of just not indexed_address.
18696
18697 2017-04-12  Richard Biener  <rguenther@suse.de>
18698             Bernd Edlinger  <bernd.edlinger@hotmail.de>
18699
18700         PR middle-end/79671
18701         * alias.c (component_uses_parent_alias_set_from): Handle
18702         TYPE_TYPELESS_STORAGE.
18703         (get_alias_set): Likewise.
18704         * tree-core.h (tree_type_common): Add typeless_storage flag.
18705         * tree.h (TYPE_TYPELESS_STORAGE): New macro.
18706         * stor-layout.c (place_union_field): Set TYPE_TYPELESS_STORAGE
18707         for types containing members with TYPE_TYPELESS_STORAGE.
18708         (place_field): Likewise.
18709         (layout_type): Likewise for ARRAY_TYPE.
18710         * lto-streamer-out.c (hash_tree): Hash TYPE_TYPELESS_STORAGE.
18711         * tree-streamer-in.c (unpack_ts_type_common_value_fields): Stream
18712         TYPE_TYPELESS_STORAGE.
18713         * tree-streamer-out.c (pack_ts_type_common_value_fields): Likewise.
18714
18715 2017-04-12  Jakub Jelinek  <jakub@redhat.com>
18716
18717         PR sanitizer/80349
18718         * fold-const.c (fold_binary_loc) <case BIT_IOR_EXPR>: Convert arg0's
18719         first argument to type.
18720
18721 2017-04-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
18722
18723         PR target/80376
18724         PR target/80315
18725         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
18726         CONST0_RTX (mode) rather than const0_rtx where appropriate.
18727         (rs6000_expand_binop_builtin): Likewise.
18728         (rs6000_expand_ternop_builtin): Likewise; also add missing
18729         vsx_xxpermdi_* variants; also fix typo (arg1 => arg2) for
18730         vshasigma built-ins.
18731         * doc/extend.texi: Document that vec_xxpermdi's third argument
18732         must be a constant.
18733
18734 2017-04-11  Uros Bizjak  <ubizjak@gmail.com>
18735
18736         * config/i386/i386.c (dimode_scalar_chain::compute_convert_gain):
18737         Use shift_const cost parameter when calculating gain of STV shifts.
18738
18739 2017-04-11  Vladimir Makarov  <vmakarov@redhat.com>
18740
18741         PR rtl-optimization/70478
18742         * lra-constraints.c (process_alt_operands): Check memory for
18743         disfavoring memory insn operand.
18744
18745 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18746
18747         PR middle-end/80100
18748         * simplify-rtx.c (simplify_binary_operation_1) <case IOR>: Perform
18749         left shift in unsigned HOST_WIDE_INT type.
18750
18751         PR rtl-optimization/80385
18752         * simplify-rtx.c (simplify_unary_operation_1): Don't transform
18753         (not (neg X)) into (plus X -1) for complex or non-integral modes.
18754
18755         PR libgomp/80394
18756         * omp-low.c (scan_omp_task): Don't optimize away empty tasks
18757         if they have any depend clauses.
18758
18759 2017-04-11  Martin Liska  <mliska@suse.cz>
18760
18761         PR ipa/80212
18762         * cgraph.c (cgraph_node::dump): Dump calls_comdat_local.
18763         * ipa-split.c (split_function): Create a local comdat symbol
18764         if caller is in a comdat group.
18765
18766 2017-04-11  Martin Liska  <mliska@suse.cz>
18767
18768         PR ipa/80212
18769         * ipa-cp.c (determine_versionability): Handle calls_comdat_local
18770         flags.
18771
18772 2017-04-11  Martin Sebor  <msebor@redhat.com>
18773
18774         PR middle-end/80364
18775         * gimple-ssa-sprintf.c (get_int_range): Remove second argument and
18776         always use the int type.  Use INTEGRAL_TYPE_P() rather than testing
18777         for INTEGER_TYPE.
18778         (directive::set_width, directive::set_precision, format_character):
18779         Adjust.
18780         (parse_directive): Use INTEGRAL_TYPE_P() rather than testing for
18781         INTEGER_TYPE.
18782
18783 2017-04-11  Richard Earnshaw  <rearnsha@arm.com>
18784
18785         PR target/80389
18786         * config/arm/arm.c (arm_configure_build_target): When -mcpu and -arch
18787         conflict, set target->arch_name instead of target->cpu_name.
18788
18789 2017-04-11  Richard Biener  <rguenther@suse.de>
18790
18791         PR tree-optimization/80374
18792         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Use
18793         build_zero_cst, remove fold_convertible_p check again.
18794
18795 2017-04-11  Martin Liska  <mliska@suse.cz>
18796
18797         PR sanitizer/70878
18798         * ubsan.c (instrument_object_size): Do not instrument register
18799         variables.
18800
18801 2017-04-11  Jakub Jelinek  <jakub@redhat.com>
18802
18803         PR target/80381
18804         * config/i386/i386-builtin-types.def
18805         (V16HI_FTYPE_V16HI_INT_V16HI_UHI_COUNT,
18806         V16HI_FTYPE_V16HI_V8HI_V16HI_UHI_COUNT,
18807         V16SI_FTYPE_V16SI_INT_V16SI_UHI_COUNT,
18808         V16SI_FTYPE_V16SI_V4SI_V16SI_UHI_COUNT,
18809         V2DI_FTYPE_V2DI_INT_V2DI_UQI_COUNT,
18810         V2DI_FTYPE_V2DI_V2DI_V2DI_UQI_COUNT,
18811         V32HI_FTYPE_V32HI_INT_V32HI_USI_COUNT,
18812         V32HI_FTYPE_V32HI_V8HI_V32HI_USI_COUNT,
18813         V4DI_FTYPE_V4DI_INT_V4DI_UQI_COUNT,
18814         V4DI_FTYPE_V4DI_V2DI_V4DI_UQI_COUNT,
18815         V4SI_FTYPE_V4SI_INT_V4SI_UQI_COUNT,
18816         V4SI_FTYPE_V4SI_V4SI_V4SI_UQI_COUNT,
18817         V8DI_FTYPE_V8DI_INT_V8DI_UQI_COUNT,
18818         V8DI_FTYPE_V8DI_V2DI_V8DI_UQI_COUNT,
18819         V8HI_FTYPE_V8HI_INT_V8HI_UQI_COUNT,
18820         V8HI_FTYPE_V8HI_V8HI_V8HI_UQI_COUNT,
18821         V8SI_FTYPE_V8SI_INT_V8SI_UQI_COUNT,
18822         V8SI_FTYPE_V8SI_V4SI_V8SI_UQI_COUNT): New function type aliases.
18823         * config/i386/i386-builtin.def (__builtin_ia32_pslld512_mask,
18824         __builtin_ia32_pslldi512_mask, __builtin_ia32_psllq512_mask,
18825         __builtin_ia32_psllqi512_mask, __builtin_ia32_psrad512_mask,
18826         __builtin_ia32_psradi512_mask, __builtin_ia32_psraq512_mask,
18827         __builtin_ia32_psraqi512_mask, __builtin_ia32_psrld512_mask,
18828         __builtin_ia32_psrldi512_mask, __builtin_ia32_psrlq512_mask,
18829         __builtin_ia32_psrlqi512_mask, __builtin_ia32_psllwi128_mask,
18830         __builtin_ia32_pslldi128_mask, __builtin_ia32_psllqi128_mask,
18831         __builtin_ia32_psllw128_mask, __builtin_ia32_pslld128_mask,
18832         __builtin_ia32_psllq128_mask, __builtin_ia32_psllwi256_mask,
18833         __builtin_ia32_psllw256_mask, __builtin_ia32_pslldi256_mask,
18834         __builtin_ia32_pslld256_mask, __builtin_ia32_psllqi256_mask,
18835         __builtin_ia32_psllq256_mask, __builtin_ia32_psradi128_mask,
18836         __builtin_ia32_psrad128_mask, __builtin_ia32_psradi256_mask,
18837         __builtin_ia32_psrad256_mask, __builtin_ia32_psraqi128_mask,
18838         __builtin_ia32_psraq128_mask, __builtin_ia32_psraqi256_mask,
18839         __builtin_ia32_psraq256_mask, __builtin_ia32_psrldi128_mask,
18840         __builtin_ia32_psrld128_mask, __builtin_ia32_psrldi256_mask,
18841         __builtin_ia32_psrld256_mask, __builtin_ia32_psrlqi128_mask,
18842         __builtin_ia32_psrlq128_mask, __builtin_ia32_psrlqi256_mask,
18843         __builtin_ia32_psrlq256_mask, __builtin_ia32_psrawi256_mask,
18844         __builtin_ia32_psraw256_mask, __builtin_ia32_psrawi128_mask,
18845         __builtin_ia32_psraw128_mask, __builtin_ia32_psrlwi256_mask,
18846         __builtin_ia32_psrlw256_mask, __builtin_ia32_psrlwi128_mask,
18847         __builtin_ia32_psrlw128_mask, __builtin_ia32_psllwi512_mask,
18848         __builtin_ia32_psllw512_mask, __builtin_ia32_psrawi512_mask,
18849         __builtin_ia32_psraw512_mask, __builtin_ia32_psrlwi512_mask,
18850         __builtin_ia32_psrlw512_mask): Use _COUNT suffixed function type
18851         aliases.
18852         * config/i386/i386.c (ix86_expand_args_builtin): Rename last_arg_count
18853         flag to second_arg_count, handle 4 argument function type _COUNT
18854         aliases, handle second_arg_count on second argument rather than last.
18855
18856 2017-04-10  Jeff Law  <law@redhat.com>
18857
18858         PR tree-optimization/80374
18859         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Do not try to
18860         record anything if we can not convert integer_zero_node to the
18861         desired type.
18862
18863 2017-04-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
18864
18865         PR target/80108
18866         * config/rs6000/rs6000.c (rs6000_option_override_internal):
18867         Enhance special handling given to the TARGET_P9_MINMAX option in
18868         relation to certain other options.
18869
18870 2017-04-10  Bin Cheng  <bin.cheng@arm.com>
18871
18872         PR tree-optimization/80153
18873         * tree-ssa-loop-ivopts.c (add_iv_candidate_for_use): Check and
18874         remove POINTER_PLUS_EXPR's base part directly, rather than through
18875         aff_tree.
18876
18877 2017-04-10  Richard Biener  <rguenther@suse.de>
18878             Bin Cheng  <bin.cheng@arm.com>
18879
18880         PR tree-optimization/80153
18881         * tree-affine.c (aff_combination_to_tree): Get base pointer from
18882         the first element of pointer type aff_tree.  Build result expr in
18883         aff_tree's type.
18884         (add_elt_to_tree): Convert to type unconditionally.  Remove other
18885         fold_convert calls.
18886         * tree-ssa-loop-ivopts.c (alloc_iv): Pass in consistent types.
18887         (rewrite_use_nonlinear_expr): Check invariant using iv information.
18888
18889 2017-04-10  Richard Biener  <rguenther@suse.de>
18890
18891         * tree-ssa-structalias.c (find_func_aliases): Properly handle
18892         asm inputs.
18893
18894 2017-04-10  Vladimir Makarov  <vmakarov@redhat.com>
18895
18896         PR rtl-optimization/70478
18897         * lra-constraints.c (curr_small_class_check): New.
18898         (update_and_check_small_class_inputs): New.
18899         (process_alt_operands): Update curr_small_class_check.  Disfavor
18900         alternative insn memory operands.  Check available regs for small
18901         class operands.
18902
18903 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
18904
18905         PR target/80057
18906         * config/mips/mips.opt (-mvirt): Update description.
18907         * doc/invoke.texi (-mvirt): Likewise.
18908
18909 2017-04-10  Richard Biener  <rguenther@suse.de>
18910
18911         PR middle-end/80362
18912         * fold-const.c (fold_binary_loc): Look at unstripped ops when
18913         looking for NEGATE_EXPR in -A / -B to A / B folding.
18914
18915 2017-04-10  Martin Liska  <mliska@suse.cz>
18916
18917         PR gcov-profile/80224
18918         * gcov.c (print_usage): Fix usage string.
18919         (get_gcov_intermediate_filename): Remove.
18920         (output_gcov_file): Use both for normal and intermediate format.
18921         (generate_results): Do not initialize special file for
18922         intermediate format.
18923
18924 2017-04-10  Richard Biener  <rguenther@suse.de>
18925
18926         PR tree-optimization/80304
18927         * tree-ssa-loop-im.c (ref_indep_loop_p_1): Also recurse
18928         for safelen.
18929
18930 2017-04-10  Nathan Sidwell  <nathan@acm.org>
18931
18932         PR target/79905
18933         * config/rs6000/rs6000.c (rs6000_vector_type): New.
18934         (rs6000_init_builtins): Use it.
18935
18936 2016-04-10  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
18937
18938         * config/arm/arm.md (<mrc>): Add mode to SET source.
18939         (<mrrc>): Likewise.
18940
18941 2017-04-10  Richard Biener  <rguenther@suse.de>
18942
18943         PR middle-end/80344
18944         * gimplify.c (is_gimple_mem_rhs_or_call): Allow CLOBBERs.
18945
18946 2017-04-10  Jakub Jelinek  <jakub@redhat.com>
18947
18948         PR target/80324
18949         * config/i386/avx512fintrin.h (_mm512_reduce_add_epi32,
18950         _mm512_reduce_mul_epi32, _mm512_reduce_and_epi32,
18951         _mm512_reduce_or_epi32, _mm512_mask_reduce_add_epi32,
18952         _mm512_mask_reduce_mul_epi32, _mm512_mask_reduce_and_epi32,
18953         _mm512_mask_reduce_or_epi32, _mm512_reduce_min_epi32,
18954         _mm512_reduce_max_epi32, _mm512_reduce_min_epu32,
18955         _mm512_reduce_max_epu32, _mm512_mask_reduce_min_epi32,
18956         _mm512_mask_reduce_max_epi32, _mm512_mask_reduce_min_epu32,
18957         _mm512_mask_reduce_max_epu32, _mm512_reduce_add_ps,
18958         _mm512_reduce_mul_ps, _mm512_mask_reduce_add_ps,
18959         _mm512_mask_reduce_mul_ps, _mm512_reduce_min_ps, _mm512_reduce_max_ps,
18960         _mm512_mask_reduce_min_ps, _mm512_mask_reduce_max_ps,
18961         _mm512_reduce_add_epi64, _mm512_reduce_mul_epi64,
18962         _mm512_reduce_and_epi64, _mm512_reduce_or_epi64,
18963         _mm512_mask_reduce_add_epi64, _mm512_mask_reduce_mul_epi64,
18964         _mm512_mask_reduce_and_epi64, _mm512_mask_reduce_or_epi64,
18965         _mm512_reduce_min_epi64, _mm512_reduce_max_epi64,
18966         _mm512_mask_reduce_min_epi64, _mm512_mask_reduce_max_epi64,
18967         _mm512_reduce_min_epu64, _mm512_reduce_max_epu64,
18968         _mm512_mask_reduce_min_epu64, _mm512_mask_reduce_max_epu64,
18969         _mm512_reduce_add_pd, _mm512_reduce_mul_pd, _mm512_mask_reduce_add_pd,
18970         _mm512_mask_reduce_mul_pd, _mm512_reduce_min_pd, _mm512_reduce_max_pd,
18971         _mm512_mask_reduce_min_pd, _mm512_mask_reduce_max_pd): New intrinsics.
18972
18973 2017-04-08  Vladimir Makarov  <vmakarov@redhat.com>
18974
18975         PR rtl-optimization/70478
18976         * lra-constraints.c: Reverse the last patch.
18977
18978 2017-04-08  Andreas Tobler  <andreast@gcc.gnu.org>
18979
18980         * config/aarch64/aarch64-freebsd.h: Define MCOUNT_NAME.
18981         Add comment for WCHAR_T.
18982
18983 2017-04-08  Martin Liska  <mliska@suse.cz>
18984
18985         Revert:
18986         2017-04-07  Martin Liska  <mliska@suse.cz>
18987
18988         PR ipa/80212
18989         * ipa-split.c (split_function): Add function part to a same comdat
18990         group.
18991
18992 2017-04-08  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
18993
18994         PR target/80358
18995         * config/rs6000/rs6000.c (expand_block_compare): Fix boundary check.
18996
18997 2017-04-07  Pat Haugen  <pthaugen@us.ibm.com>
18998
18999         * rs6000/rs6000.c (vec_load_pendulum): Rename...
19000         (vec_pairing): ...to this.
19001         (power9_sched_reorder2): Rewrite code for pairing vector/vecload insns.
19002         (rs6000_sched_init): Adjust for name change.
19003         (struct rs6000_sched_context): Likewise.
19004         (rs6000_init_sched_context): Likewise.
19005         (rs6000_set_sched_context): Likewise.
19006
19007 2017-04-07  Jakub Jelinek  <jakub@redhat.com>
19008
19009         PR target/80322
19010         PR target/80323
19011         PR target/80325
19012         PR target/80326
19013         * config/i386/avxintrin.h (_mm256_cvtsd_f64, _mm256_cvtss_f32): New
19014         intrinsics.
19015         * config/i386/avx512fintrin.h (_mm512_int2mask, _mm512_mask2int,
19016         _mm512_abs_ps, _mm512_mask_abs_ps, _mm512_abs_pd, _mm512_mask_abs_pd,
19017         _mm512_cvtsd_f64, _mm512_cvtss_f32): Likewise.
19018
19019 2017-04-07  Andreas Tobler  <andreast@gcc.gnu.org>
19020
19021         * config/aarch64/aarch64-freebsd.h: Define WCHAR_TYPE.
19022
19023 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19024
19025         PR rtl-optimization/70703
19026         * ira-color.c (update_conflict_hard_regno_costs): Use
19027         int64_t instead of HOST_WIDE_INT.
19028
19029 2017-04-07  Vladimir Makarov  <vmakarov@redhat.com>
19030
19031         PR rtl-optimization/70478
19032         * lra-constraints.c (process_alt_operands): Disfavor alternative
19033         insn memory operands.
19034
19035 2017-04-07  Jeff Law  <law@redhat.com>
19036
19037         * config/iq2000/iq2000.c (final_prescan_insn): Do not separate a
19038         CALL and NOTE_INSN_CALL_ARG_LOCATION.
19039
19040 2017-04-07  Martin Liska  <mliska@suse.cz>
19041
19042         PR target/79889
19043         * config/aarch64/aarch64.c (aarch64_process_target_attr):
19044         Show error message instead of an ICE.
19045
19046 2017-04-07  Martin Liska  <mliska@suse.cz>
19047
19048         PR ipa/80212
19049         * ipa-split.c (split_function): Add function part to a same comdat
19050         group.
19051
19052 2017-04-07  Richard Biener  <rguenther@suse.de>
19053
19054         PR middle-end/80341
19055         * tree.c (get_unwidened): Also handle ! for_type case for
19056         INTEGER_CSTs.
19057         * convert.c (do_narrow): Split out from ...
19058         (convert_to_integer_1): ... here.  Do not pass final truncation
19059         type to get_unwidened for TRUNC_DIV_EXPR.
19060
19061 2017-04-07  Richard Biener  <rguenther@suse.de>
19062
19063         * tree-affine.c (wide_int_ext_for_comb): Take type rather
19064         than aff_tree.
19065         (aff_combination_const): Adjust.
19066         (aff_combination_scale): Likewise.
19067         (aff_combination_add_elt): Likewise.
19068         (aff_combination_add_cst): Likewise.
19069         (aff_combination_convert): Likewise.
19070         (add_elt_to_tree): Likewise.  Remove unused argument.
19071         (aff_combination_to_tree): Adjust calls to add_elt_to_tree.
19072
19073 2017-04-07  Sebastian Huber  <sebastian.huber@embedded-brains.de>
19074
19075         * config/arm/arm.h (ARM_DEFAULT_SHORT_ENUMS): Provide default
19076         definition.
19077         * config/arm/arm.c (arm_default_short_enums): Use
19078         ARM_DEFAULT_SHORT_ENUMS.
19079         * config/arm/rtems.h (ARM_DEFAULT_SHORT_ENUMS): Define.
19080
19081 2017-04-06  Jakub Jelinek  <jakub@redhat.com>
19082
19083         PR debug/80234
19084         * dwarf2out.c (gen_member_die): Handle C++17 inline static data
19085         members with redundant out-of-class redeclaration.
19086
19087 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19088
19089         PR target/80286
19090         * config/i386/sse.md (*vec_extractv4si_0_zext_sse4): New pattern.
19091         * config/i386/i386.md (*zero_extendsidi2):
19092         Add (?*x,*x) and (?*v,*v) alternatives.
19093
19094 2017-04-06  Uros Bizjak  <ubizjak@gmail.com>
19095
19096         PR target/79733
19097         * config/i386/i386.c (ix86_expand_builtin)
19098         <case IX86_BUILTIN_K{,OR}TEST{C,Z}{8,16,32,64}>: Determine insn operand
19099         mode from insn data. Convert operands to insn operand mode.
19100         Copy operands that don't satisfy insn predicate to a register.
19101
19102 2017-04-06  Sam Thursfield  <sam.thursfield@codethink.co.uk>
19103
19104         * config/rs6000/x-aix: Increase memory limit for genautomata on AIX.
19105         Update comments.
19106
19107 2017-04-06  Richard Biener  <rguenther@suse.de>
19108
19109         PR tree-optimization/80334
19110         * tree-ssa-loop-ivopts.c (rewrite_use_address): Properly
19111         preserve alignment of accesses.
19112
19113 2017-04-06  Richard Biener  <rguenther@suse.de>
19114
19115         PR tree-optimization/80262
19116         * tree-sra.c (build_ref_for_offset): Preserve address-space
19117         information.
19118         * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
19119         Drop useless address-space information on MEM_REF offsets.
19120
19121 2017-04-05  Andreas Schwab  <schwab@linux-m68k.org>
19122
19123         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): Fix type.
19124
19125 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19126
19127         PR rtl-optimization/70703
19128         * ira-color.c (update_conflict_hard_regno_costs): Use
19129         HOST_WIDE_INT instead of long.
19130
19131 2017-04-05  Uros Bizjak  <ubizjak@gmail.com>
19132
19133         PR target/80298
19134         * config/i386/mmintrin.h: Add -msse target option when __SSE__ is
19135         not defined for x86_64 target.  Add -mmmx target option when __SSE2__
19136         is not defined.
19137         * config/i386/mm3dnow.h: Add -msse target when __SSE__ is not defined
19138         for x86_64 target.  Handle -m3dnowa option.
19139
19140 2017-04-05  Vladimir Makarov  <vmakarov@redhat.com>
19141
19142         PR rtl-optimization/70703
19143         * ira-color.c (update_costs_from_allocno): Use the smallest mode.
19144         (update_conflict_hard_regno_costs): Use long instead of unsigned
19145         arithmetic for cost calculation.
19146
19147 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19148             Bernd Edlinger  <bernd.edlinger@hotmail.de>
19149
19150         PR sanitizer/80308
19151         * asan.c (asan_store_shadow_bytes): Fix location of last_chunk_value
19152         for big endian.
19153
19154 2017-04-05  Eric Botcazou  <ebotcazou@adacore.com>
19155
19156         PR target/78002
19157         * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Replace
19158         ptr_mode with Pmode throughout.
19159         * config/aarch64/aarch64.md (probe_stack_range_<PTR:mode): Rename
19160         into probe_stack_range and use DImode.
19161
19162 2017-04-05  Dominik Vogt  <vogt@linux.vnet.ibm.com>
19163
19164         PR target/79890
19165         * config/s390/s390.c (s390_register_info_gprtofpr): Return if
19166         call_eh_return is true.
19167
19168 2017-04-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19169
19170         * config/s390/s390-c.c (s390_resolve_overloaded_builtin):
19171         Initialize last_match_fntype_index.
19172
19173 2017-04-05  Jakub Jelinek  <jakub@redhat.com>
19174
19175         PR target/80310
19176         * tree-nvr.c: Include internal-fn.h.
19177         (pass_return_slot::execute): Ignore internal calls without
19178         direct optab.
19179
19180 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19181             Richard Biener  <rguenther@suse.de>
19182
19183         PR c++/80297
19184         * genmatch.c (capture::gen_transform): For GENERIC unshare_expr
19185         captures used multiple times, except for the last use.
19186         * generic-match-head.c: Include gimplify.h.
19187
19188 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19189
19190         PR tree-optimization/79390
19191         * target.h (struct noce_if_info): Declare.
19192         * targhooks.h (default_noce_conversion_profitable_p): Declare.
19193         * target.def (noce_conversion_profitable_p): New target hook.
19194         * ifcvt.h (struct noce_if_info): New type, moved from ...
19195         * ifcvt.c (struct noce_if_info): ... here.
19196         (noce_conversion_profitable_p): Renamed to ...
19197         (default_noce_conversion_profitable_p): ... this.  No longer
19198         static nor inline.
19199         (noce_try_store_flag_constants, noce_try_addcc,
19200         noce_try_store_flag_mask, noce_try_cmove, noce_try_cmove_arith,
19201         noce_convert_multiple_sets): Use targetm.noce_conversion_profitable_p
19202         instead of noce_conversion_profitable_p.
19203         * config/i386/i386.c: Include ifcvt.h.
19204         (ix86_option_override_internal): Don't override
19205         PARAM_MAX_RTL_IF_CONVERSION_INSNS default.
19206         (ix86_noce_conversion_profitable_p): New function.
19207         (TARGET_NOCE_CONVERSION_PROFITABLE_P): Redefine.
19208         * config/i386/x86-tune.def (X86_TUNE_ONE_IF_CONV_INSN): Adjust comment.
19209         * doc/tm.texi.in (TARGET_NOCE_CONVERSION_PROFITABLE_P): Add.
19210         * doc/tm.texi: Regenerated.
19211
19212 2017-04-04  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19213
19214         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Grammar
19215         correction.
19216
19217 2017-04-04  Thomas Preud'homme  <thomas.preudhomme@arm.com>
19218
19219         PR target/80307
19220         * config/arm/arm.c (thumb1_rtx_costs): Give a cost of 32
19221         instructions for small multiply cores.
19222
19223 2017-04-04  Jeff Law  <law@redhat.com>
19224
19225         * config/mips/mips.c (mips_multi_add): Zero initialize the newly
19226         added member.
19227         (mips_expand_vec_perm_const): Initialize elements in orig_perm
19228         that are not set by the loop over the elements.
19229
19230 2017-04-04  Jakub Jelinek  <jakub@redhat.com>
19231
19232         PR target/80286
19233         * config/i386/i386.c (ix86_expand_args_builtin): If op has scalar
19234         int mode, convert_modes it to mode as unsigned, otherwise use
19235         lowpart_subreg to mode rather than SImode.
19236         * config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>,
19237         ashr<mode>3, ashr<mode>3<mask_name>, <shift_insn><mode>3<mask_name>):
19238         Use DImode instead of SImode for the shift count operand.
19239         * config/i386/mmx.md (mmx_ashr<mode>3, mmx_<shift_insn><mode>3):
19240         Likewise.
19241
19242 2017-04-04  Richard Biener  <rguenther@suse.de>
19243
19244         PR middle-end/80281
19245         * match.pd (A + (-B) -> A - B): Make sure to preserve unsigned
19246         arithmetic done for the negate or the plus.  Simplify.
19247         (A - (-B) -> A + B): Likewise.
19248         * fold-const.c (split_tree): Make sure to not negate pointers.
19249
19250 2017-04-04  Segher Boessenkool  <segher@kernel.crashing.org>
19251
19252         PR rtl-optimization/60818
19253         * simplify-rtx.c (simplify_binary_operation_1): Do not replace
19254         a compare of comparisons with the thing compared if this results
19255         in a different machine mode.
19256
19257 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
19258
19259         * alias.c (base_alias_check): Fix typo in comment.
19260         * cgraph.h (class ipa_polymorphic_call_context): Likewise.
19261         * cgraphunit.c (symbol_table::compile): Likewise.
19262         * collect2.c (maybe_run_lto_and_relink): Likewise.
19263         * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise.
19264         * config/avr/avr-arch.h (avr_arch_info_t): Likewise.
19265         * config/avr/avr.c (avr_map_op_t): Likewise.
19266         * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise.
19267         * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise.
19268         * config/epiphany/epiphany.md (movcc): Likewise.
19269         * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise.
19270         * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue):
19271         Likewise.
19272         * config/mips/mips.c (mips_save_restore_reg): Likewise.
19273         * config/rx/rx.c (rx_is_restricted_memory_address): Likewise.
19274         * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise.
19275         * config/sh/sh.c (sh_rtx_costs): Likewise.
19276         * fold-const.c (fold_truth_andor): Likewise.
19277         * genautomata.c (collapse_flag): Likewise.
19278         * gengtype.h (struct type::u::s): Likewise.
19279         * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise.
19280         * input.c (FORMAT_AMOUNT): Likewise.
19281         * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector)
19282         (known_aggs_to_agg_replacement_list): Likewise.
19283         * ipa-inline-analysis.c: Likewise.
19284         * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise.
19285         * ipa-polymorphic-call.c
19286         (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise.
19287         * loop-unroll.c (analyze_insn_to_expand_var): Likewise.
19288         * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos):
19289         Likewise.
19290         * modulo-sched.c (apply_reg_moves): Likewise.
19291         * omp-expand.c (build_omp_regions_1): Likewise.
19292         * trans-mem.c (struct tm_wrapper_hasher): Likewise.
19293         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise.
19294         * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise.
19295         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
19296         * value-prof.c: Likewise.
19297         * var-tracking.c (val_reset): Likewise.
19298
19299 2017-04-03  Richard Biener  <rguenther@suse.de>
19300
19301         PR tree-optimization/80275
19302         * fold-const.c (split_address_to_core_and_offset): Handle
19303         POINTER_PLUS_EXPR.
19304
19305 2017-04-03  Eric Botcazou  <ebotcazou@adacore.com>
19306
19307         * tree-nested.c (get_descriptor_type): Make sure that the alignment of
19308         descriptors is at least equal to that of functions.
19309
19310 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19311
19312         * config/i386/sse.md (movdi_to_sse): Add missing DONE.
19313
19314 2017-04-02  Uros Bizjak  <ubizjak@gmail.com>
19315
19316         PR target/80250
19317         * config/i386/sse.md (mov<IMOD4:mode>): Remove insn pattern.
19318         (mov<IMOD4:mode>): New expander.
19319         (*mov<IMOD4:mode>_internal): New insn and split pattern.
19320
19321 2017-03-31  Segher Boessenkool  <segher@kernel.crashing.org>
19322
19323         PR rtl-optimization/79405
19324         * fwprop.c (propagations_left): New variable.
19325         (forward_propagate_into): Decrement it.
19326         (fwprop_init): Initialize it.
19327         (fw_prop): If the variable has reached zero, stop propagating.
19328         (fwprop_addr): Ditto.
19329
19330 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19331
19332         PR debug/79255
19333         * dwarf2out.c (decls_for_scope): If BLOCK_NONLOCALIZED_VAR is
19334         a FUNCTION_DECL, pass it as decl instead of origin to
19335         process_scope_var.
19336
19337 2017-03-31  Alexander Monakov  <amonakov@ispras.ru>
19338
19339         * config/nvptx/nvptx.c (nvptx_output_softstack_switch): Correct format
19340         string.
19341
19342 2017-03-31  Pat Haugen  <pthaugen@us.ibm.com>
19343
19344         PR target/80107
19345         * config/rs6000/rs6000.md (extendhi<mode>2): Add test for
19346         TARGET_VSX_SMALL_INTEGER.
19347
19348 2017-03-31  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19349
19350         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Add
19351         reference to the OpenPOWER 64-Bit ELF V2 ABI Specification.
19352
19353 2017-03-31  Matthew Fortune  <matthew.fortune@imgtec.com>
19354
19355         * config/mips/mips-msa.md (msa_vec_extract_<msafmt_f>): Update
19356         extraction from odd-numbered MSA register.
19357
19358 2017-03-31  Jakub Jelinek  <jakub@redhat.com>
19359
19360         PR middle-end/80173
19361         * expmed.c (store_bit_field_1): Don't attempt to create
19362         a word subreg out of hard registers wider than word if they
19363         have HARD_REGNO_NREGS of 1 for their mode.
19364
19365         PR middle-end/80163
19366         * varasm.c (initializer_constant_valid_p_1): Disallow sign-extending
19367         conversions to integer types wider than word and pointer.
19368
19369         PR debug/80025
19370         * cselib.h (rtx_equal_for_cselib_1): Add depth argument.
19371         (rtx_equal_for_cselib_p): Pass 0 to it.
19372         * cselib.c (cselib_hasher::equal): Likewise.
19373         (rtx_equal_for_cselib_1): Add depth argument.  If depth
19374         is 128, don't look up VALUE locs and punt.  Increment
19375         depth in recursive calls when walking VALUE locs.
19376
19377 2017-03-31  Bernd Edlinger  <bernd.edlinger@hotmail.de>
19378
19379         * gcov.c (md5sum_to_hex): Fix output of MD5 hex bytes.
19380         (make_gcov_file_name): Use the canonical path name for generating
19381         the MD5 value.
19382         (read_line): Fix handling of files with ascii null bytes.
19383
19384 2017-03-30  Matthew Fortune  <matthew.fortune@imgtec.com>
19385
19386         * config/mips/mips.c (mips_expand_vector_init): Create a const_vector
19387         to initialise a vector register instead
19388         of using a const_int.
19389
19390 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19391
19392         PR translation/80189
19393         * gimplify.c (omp_default_clause): Use %qs instead of %s in
19394         diagnostic messages.
19395
19396 2017-03-30  Peter Bergner  <bergner@vnet.ibm.com>
19397
19398         PR target/80246
19399         * config/rs6000/dfp.md (dfp_dxex_<mode>): Update mode of operand 0.
19400         (dfp_diex_<mode>): Update mode of operand 1.
19401         * doc/extend.texi (dxex, dxexq): Document change to return type.
19402         (diex, diexq): Document change to argument type.
19403
19404 2017-03-30  Martin Jambor  <mjambor@suse.cz>
19405
19406         PR ipa/77333
19407         * cgraph.h (cgraph_build_function_type_skip_args): Declare.
19408         * cgraph.c (redirect_call_stmt_to_callee): Set gimple fntype so that
19409         it reflects the signature changes performed at the callee side.
19410         * cgraphclones.c (build_function_type_skip_args): Make public, renamed
19411         to cgraph_build_function_type_skip_args.
19412         (build_function_decl_skip_args): Adjust call to the above function.
19413
19414 2017-03-30  Jakub Jelinek  <jakub@redhat.com>
19415
19416         PR target/80206
19417         * config/i386/sse.md
19418         (<extract_type>_vextract<shuffletype><extract_suf>_mask): Use
19419         register as dest whenever it is a MEM not rtx_equal_p to the
19420         corresponding dup operand, and when forcing into reg move the
19421         reg into the memory afterwards.
19422         (<extract_type_2>_vextract<shuffletype><extract_suf_2>_mask):
19423         Likewise.  Use <ssehalfvecmode> instead of <ssequartermode>
19424         for the force_reg mode.
19425         (avx512vl_vextractf128<mode>): Use register as dest either
19426         always when a MEM, or when it is a MEM not rtx_equal_p to the
19427         corresponding dup operand, or even not when it is a CONST_VECTOR
19428         depending on the mode and lo vs. hi.
19429         (avx512dq_vextract<shuffletype>64x2_1_maskm): Remove extraneous
19430         parens.
19431         (avx512f_vextract<shuffletype>32x4_1_maskm): Likewise.
19432         (<mask_codefor>avx512dq_vextract<shuffletype>64x2_1<mask_name>):
19433         Likewise.  Require that operands[2] is even.
19434         (<mask_codefor>avx512f_vextract<shuffletype>32x4_1<mask_name>):
19435         Remove extraneous parens.  Require that operands[2] is a multiple
19436         of 4.
19437         (vec_extract_lo_<mode><mask_name>): Don't bother testing if
19438         operands[0] is a MEM if <mask_applied>, the predicates/constraints
19439         disallow memory then.
19440
19441 2017-03-30  Richard Biener  <rguenther@suse.de>
19442
19443         PR tree-optimization/77498
19444         * tree-ssa-pre.c (phi_translate_1): Do not allow simplifications
19445         to non-constants over backedges.
19446
19447 2017-03-29  Segher Boessenkool  <segher@kernel.crashing.org>
19448
19449         PR rtl-optimization/80233
19450         * combine.c (combine_instructions): Only take NONDEBUG_INSN_P insns
19451         as last_combined_insn.  Do not test for BARRIER_P separately.
19452
19453 2017-03-29  Andreas Schwab  <schwab@suse.de>
19454
19455         PR ada/80146
19456         * calls.c (prepare_call_address): Convert funexp to Pmode before
19457         copying to temp reg.
19458
19459 2017-03-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19460
19461         PR tree-optimization/80158
19462         * gimple-ssa-strength-reduction.c (replace_mult_candidate):
19463         Handle possible future case of more than one alternate
19464         interpretation.
19465         (replace_rhs_if_not_dup): Likewise.
19466         (replace_one_candidate): Likewise.
19467
19468 2017-03-28  Vladimir Makarov  <vmakarov@redhat.com>
19469
19470         PR rtl-optimization/80193
19471         * ira.c (ira): Do not check allocation for LRA.
19472
19473 2017-03-28  Alexander Monakov  <amonakov@ispras.ru>
19474
19475         * config/nvptx/nvptx-protos.h (nvptx_output_simt_enter): Declare.
19476         (nvptx_output_simt_exit): Declare.
19477         * config/nvptx/nvptx.c (nvptx_init_unisimt_predicate): Use
19478         cfun->machine->unisimt_location.  Handle NULL unisimt_predicate.
19479         (init_softstack_frame): Move initialization of crtl->is_leaf to...
19480         (nvptx_declare_function_name): ...here.  Emit declaration of local
19481         memory space buffer for omp_simt_enter insn.
19482         (nvptx_output_unisimt_switch): New.
19483         (nvptx_output_softstack_switch): New.
19484         (nvptx_output_simt_enter): New.
19485         (nvptx_output_simt_exit): New.
19486         * config/nvptx/nvptx.h (struct machine_function): New fields
19487         has_simtreg, unisimt_location, simt_stack_size, simt_stack_align.
19488         * config/nvptx/nvptx.md (UNSPECV_SIMT_ENTER): New unspec.
19489         (UNSPECV_SIMT_EXIT): Ditto.
19490         (omp_simt_enter_insn): New insn.
19491         (omp_simt_enter): New expansion.
19492         (omp_simt_exit): New insn.
19493         * config/nvptx/nvptx.opt (msoft-stack-reserve-local): New option.
19494
19495         * internal-fn.c (expand_GOMP_SIMT_ENTER): New.
19496         (expand_GOMP_SIMT_ENTER_ALLOC): New.
19497         (expand_GOMP_SIMT_EXIT): New.
19498         * internal-fn.def (GOMP_SIMT_ENTER): New internal function.
19499         (GOMP_SIMT_ENTER_ALLOC): Ditto.
19500         (GOMP_SIMT_EXIT): Ditto.
19501         * target-insns.def (omp_simt_enter): New insn.
19502         (omp_simt_exit): Ditto.
19503         * omp-low.c (struct omplow_simd_context): New fields simt_eargs,
19504         simt_dlist.
19505         (lower_rec_simd_input_clauses): Implement SIMT privatization.
19506         (lower_rec_input_clauses): Likewise.
19507         (lower_lastprivate_clauses): Handle SIMT privatization.
19508
19509         * omp-offload.c: Include langhooks.h, tree-nested.h, stor-layout.h.
19510         (ompdevlow_adjust_simt_enter): New.
19511         (find_simtpriv_var_op): New.
19512         (execute_omp_device_lower): Handle IFN_GOMP_SIMT_ENTER,
19513         IFN_GOMP_SIMT_ENTER_ALLOC, IFN_GOMP_SIMT_EXIT.
19514
19515         * tree-inline.h (struct copy_body_data): New field dst_simt_vars.
19516         * tree-inline.c (expand_call_inline): Handle SIMT privatization.
19517         (copy_decl_for_dup_finish): Ditto.
19518
19519         * tree-ssa.c (execute_update_addresses_taken): Handle GOMP_SIMT_ENTER.
19520
19521 2017-03-28  Uros Bizjak  <ubizjak@gmail.com>
19522
19523         PR target/53383
19524         * config/i386/i386.c (ix86_option_override_internal): Always
19525         allow -mpreferred-stack-boundary=3 for 64-bit targets.
19526
19527 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19528
19529         * tree-vect-loop.c (optimize_mask_stores): Add bb to the right loop.
19530
19531 2017-03-28  Bin Cheng  <bin.cheng@arm.com>
19532
19533         * tree-vect-loop-manip.c (slpeel_add_loop_guard): New param and
19534         mark new edge's irreducible flag accordign to it.
19535         (vect_do_peeling): Check loop preheader edge's irreducible flag
19536         and pass it to function slpeel_add_loop_guard.
19537
19538 2017-03-28  Richard Sandiford  <richard.sandiford@arm.com>
19539
19540         PR tree-optimization/80218
19541         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
19542         Update block frequencies and counts.
19543
19544 2017-03-28  Richard Biener  <rguenther@suse.de>
19545
19546         PR tree-optimization/78644
19547         * tree-ssa-ccp.c (evaluate_stmt): When we may not use the value
19548         of a simplification result we may not use it at all.
19549
19550 2017-03-28  Richard Biener  <rguenther@suse.de>
19551
19552         PR ipa/80205
19553         * tree-inline.c (copy_phis_for_bb): Do not create PHI node
19554         without arguments, generate default definition of a SSA name.
19555
19556 2017-03-28  Richard Biener  <rguenther@suse.de>
19557
19558         PR middle-end/80222
19559         * gimple-fold.c (gimple_fold_indirect_ref): Do not touch
19560         TYPE_REF_CAN_ALIAS_ALL references.
19561         * fold-const.c (fold_indirect_ref_1): Likewise.
19562
19563 2017-03-28  Martin Liska  <mliska@suse.cz>
19564
19565         PR ipa/80104
19566         * cgraphunit.c (cgraph_node::expand_thunk): Mark argument of a
19567         thunk call as DECL_GIMPLE_REG_P when vector or complex type.
19568
19569 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19570             Thomas Petazzoni  <thomas.petazzoni@free-electrons.com>
19571
19572         * config/arc/arc.h (CPP_SPEC): Add subtarget_cpp_spec.
19573         (EXTRA_SPECS): Define.
19574         (SUBTARGET_EXTRA_SPECS): Likewise.
19575         (SUBTARGET_CPP_SPEC): Likewise.
19576         * config/arc/elf.h (EXTRA_SPECS): Renamed to
19577         SUBTARGET_EXTRA_SPECS.
19578         * config/arc/linux.h (SUBTARGET_CPP_SPEC): Define.
19579
19580 2017-03-28  Claudiu Zissulescu  <claziss@synopsys.com>
19581
19582         * config/arc/simdext.md (vst64_insn): Update pattern.
19583         (vld32wh_insn): Likewise.
19584         (vld32wl_insn): Likewise.
19585         (vld64_insn): Likewise.
19586         (vld32_insn): Likewise.
19587
19588 2017-03-28  Marek Polacek  <polacek@redhat.com>
19589
19590         PR sanitizer/80067
19591         * fold-const.c (fold_comparison): Use protected_set_expr_location
19592         instead of SET_EXPR_LOCATION.
19593
19594 2017-03-28  Markus Trippelsdorf  <markus@trippelsdorf.de>
19595
19596         * tree.c (add_expr): Avoid name lookup warning.
19597
19598 2017-03-27  Jeff Law  <law@redhat.com>
19599
19600         PR tree-optimization/80216
19601         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): Fix typo in
19602         function name.  Limit recursion depth.
19603         (record_temporary_equivalences): Corresponding changes.
19604
19605 2017-03-27  Jonathan Wakely  <jwakely@redhat.com>
19606
19607         * doc/invoke.texi (-Wno-narrowing): Reorder so default behavior is
19608         covered first.
19609
19610 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19611
19612         PR target/80102
19613         * reg-notes.def (REG_CFA_NOTE): Define.  Use it for CFA related
19614         notes.
19615         * cfgcleanup.c (reg_note_cfa_p): New array.
19616         (insns_have_identical_cfa_notes): New function.
19617         (old_insns_match_p): Don't cross-jump in between /f
19618         and non-/f instructions.  If both i1 and i2 are frame related,
19619         verify all CFA notes, their order and content.
19620
19621 2017-03-27  Michael Meissner  <meissner@linux.vnet.ibm.com>
19622
19623         PR target/78543
19624         * config/rs6000/rs6000.md (bswaphi2_extenddi): Combine bswap
19625         HImode and SImode with zero extend to DImode to one insn.
19626         (bswap<mode>2_extenddi): Likewise.
19627         (bswapsi2_extenddi): Likewise.
19628         (bswaphi2_extendsi): Likewise.
19629         (bswaphi2): Combine bswap HImode and SImode into one insn.
19630         Separate memory insns from swapping register.
19631         (bswapsi2): Likewise.
19632         (bswap<mode>2): Likewise.
19633         (bswaphi2_internal): Delete, no longer used.
19634         (bswapsi2_internal): Likewise.
19635         (bswap<mode>2_load): Split bswap HImode/SImode into separate load,
19636         store, and gpr<-gpr swap insns.
19637         (bswap<mode>2_store): Likewise.
19638         (bswaphi2_reg): Register only splitter, combine with the splitter.
19639         (bswaphi2 splitter): Likewise.
19640         (bswapsi2_reg): Likewise.
19641         (bswapsi2 splitter): Likewise.
19642         (bswapdi2): If we have the LDBRX and STDBRX instructions, split
19643         the insns into load, store, and register/register insns.
19644         (bswapdi2_ldbrx): Likewise.
19645         (bswapdi2_load): Likewise.
19646         (bswapdi2_store): Likewise.
19647         (bswapdi2_reg): Likewise.
19648
19649 2017-03-27  Gunther Nikl  <gnikl@users.sourceforge.net>
19650
19651         * system.h (HAVE_DESIGNATED_INITIALIZERS): Fix non C++ case.
19652         (HAVE_DESIGNATED_UNION_INITIALIZERS): Likewise.
19653
19654 2017-03-27  Kelvin Nilsen  <kelvin@gcc.gnu.org>
19655
19656         PR target/80103
19657         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Edit and
19658         add comments.
19659         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
19660         special handling for target option conflicts between dform
19661         options (-mpower9-dform, -mpower9-dform-vector,
19662         -mpower9-dform-scalar) and -mno-direct-move.
19663
19664 2017-03-27  Richard Biener  <rguenther@suse.de>
19665
19666         PR tree-optimization/80181
19667         * tree-ssa-ccp.c (likely_value): UNDEFINED ^ X is UNDEFINED.
19668
19669 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19670
19671         * config/arc/predicates.md (move_double_src_operand): Replace the
19672         call to move_double_src_operand with a call to address_operand.
19673
19674 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19675
19676         * config/arc/elf.h (ARGET_ARC_TP_REGNO_DEFAULT): Define.
19677         * config/arc/linux.h (ARGET_ARC_TP_REGNO_DEFAULT): Likewise.
19678         * config/arc/arc.opt (mtp-regno): Use ARGET_ARC_TP_REGNO_DEFAULT.
19679
19680 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19681
19682         * config/arc/predicates.md (long_immediate_loadstore_operand):
19683         Consider scaled addresses cases.
19684
19685 2017-03-27  Claudiu Zissulescu  <claziss@synopsys.com>
19686
19687         * config/arc/arc.c (arc_epilogue_uses): BLINK should be also
19688         restored when in interrupt.
19689         * config/arc/arc.md (simple_return): ARCv2 rtie instruction
19690         doesn't have delay slot.
19691
19692 2017-03-27  Richard Biener  <rguenther@suse.de>
19693
19694         PR ipa/79776
19695         * tree-ssa-structalias.c (associate_varinfo_to_alias): Skip
19696         inlined thunk clones.
19697
19698 2017-03-27  Jakub Jelinek  <jakub@redhat.com>
19699
19700         PR sanitizer/80168
19701         * asan.c (instrument_derefs): Copy over last operand from
19702         original COMPONENT_REF to the new COMPONENT_REF with
19703         DECL_BIT_FIELD_REPRESENTATIVE.
19704         * ubsan.c (instrument_object_size): Likewise.
19705
19706 2017-03-27  Richard Biener  <rguenther@suse.de>
19707
19708         PR tree-optimization/80170
19709         * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Make
19710         sure DR/SCEV didnt fold in constants we do not see when looking
19711         at the reference base alignment.
19712
19713 2017-03-27  Richard Biener  <rguenther@suse.de>
19714
19715         PR middle-end/80171
19716         * gimple-fold.c (fold_ctor_reference): Properly guard against
19717         NULL return value from canonicalize_constructor_val.
19718
19719 2017-03-25  Uros Bizjak  <ubizjak@gmail.com>
19720
19721         PR target/80180
19722         * config/i386/i386.c (ix86_expand_builtin)
19723         <IX86_BUILTIN_RDSEED{16,32,64}_STEP>: Do not expand arg0 between
19724         flags reg setting and flags reg using instructions.
19725         <IX86_BUILTIN_RDRAND{16,32,64}_STEP>: Ditto.  Use non-flags reg
19726         clobbering instructions to zero extend op2.
19727
19728 2017-03-25  Gerald Pfeifer  <gerald@pfeifer.com>
19729
19730         * doc/install.texi (Configuration) <--with-aix-soname>:
19731         Update link to AIX ld.
19732
19733 2017-03-25  Bernd Schmidt  <bschmidt@redhat.com>
19734
19735         PR rtl-optimization/80160
19736         PR rtl-optimization/80159
19737         * lra-assigns.c (must_not_spill_p): Tighten new test to also take
19738         reg_alternate_class into account.
19739
19740 2017-03-24  Vladimir Makarov  <vmakarov@redhat.com>
19741
19742         PR target/80148
19743         * lra-assigns.c (assign_by_spills): Add spilled non-reload pseudos
19744         to consider in curr_insn_transform.
19745
19746 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19747
19748         * genrecog.c (validate_pattern): Add VEC_SELECT validation.
19749         * genmodes.c (emit_min_insn_modes_c): Call emit_mode_nunits
19750         and emit_mode_inner.
19751
19752 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19753
19754         * config/s390/s390-builtins.def: Add VXE builtins.  Add a flags
19755         argument to the overloaded builtin variants.  Use the new flag to
19756         deprecate certain builtin variants.
19757         * config/s390/s390-builtin-types.def: Add new builtin types.
19758         * config/s390/s390-builtins.h: Support new flags field for
19759         overloaded builtins.
19760         * config/s390/s390-c.c (OB_DEF_VAR): New flags field.
19761         (s390_macro_to_expand): Enable vector float data type.
19762         (s390_cpu_cpp_builtins_internal): Indicate support of the new
19763         builtins by incrementing the __VEC__ version number.
19764         (s390_expand_overloaded_builtin): Support expansion of vec_xl and
19765         vec_xst.
19766         (s390_resolve_overloaded_builtin): Emit error messages depending
19767         on the builtin flags.
19768         * config/s390/s390.c (s390_expand_builtin): Support additional
19769         flags argument.  Change error message to match the messages
19770         emitted in s390-c.c.
19771         * config/s390/s390.md: New UNSPEC_* constants.
19772         (op_type): Add new instruction types.
19773         * config/s390/vecintrin.h: Add new builtins and test data class
19774         constants.
19775         * config/s390/vx-builtins.md (V_HW_32_64): Add V4SF.
19776         (V_HW_4, VEC_HW, VECF_HW): New mode iterators.
19777         (VEC_INEXACT, VEC_NOINEXACT): New constants.
19778         ("vec_splats<mode>", "vec_insert<mode>", "vec_promote<mode>")
19779         ("vec_insert_and_zero<mode>", "vec_mergeh<mode>")
19780         ("vec_mergel<mode>"): V_HW -> VEC_HW.
19781
19782         ("vlrlrv16qi", "vstrlrv16qi", "vbpermv16qi", "vec_msumv2di")
19783         ("vmslg", "*vftci<mode>_cconly", "vftci<mode>_intcconly")
19784         ("*vftci<mode>", "vftci<mode>_intcc", "vec_double_s64")
19785         ("vec_double_u64", "vfmin<mode>", "vfmax<mode>"): New definition.
19786
19787         ("and_av2df3", "and_cv2df3", "vec_andc_av2df3")
19788         ("vec_andc_cv2df3", "xor_av2df3", "xor_cv2df3", "vec_nor_av2df3")
19789         ("vec_nor_cv2df3", "ior_av2df3", "ior_cv2df3", "vec_nabs")
19790         ("*vftcidb", "*vftcidb_cconly", "vftcidb"): Remove definition.
19791
19792         ("vec_all_<fpcmpcc:code>v2df", "vec_any_<fpcmpcc:code>v2df")
19793         ("vec_scatter_elementv4si_DI", "vec_cmp<fpcmp:code>v2df")
19794         ("vec_di_to_df_s64", "vec_di_to_df_u64", "vec_df_to_di_u64")
19795         ("vfidb", "*vldeb", "*vledb", "*vec_cmp<insn_cmp>v2df_cconly")
19796         ("vec_cmpeqv2df_cc", "vec_cmpeqv2df_cc", "vec_cmphv2df_cc")
19797         ("vec_cmphev2df_cc", "*vec_cmpeqv2df_cc")
19798         ("*vec_cmphv2df_cc", "*vec_cmphev2df_cc"): Enable new modes as ...
19799
19800         ("vec_all_<fpcmpcc:code><mode>", "vec_any_<fpcmpcc:code><mode>")
19801         ("vec_scatter_element<V_HW_4:mode>_DI")
19802         ("vec_cmp<fpcmp:code><mode>", "vcdgb", "vcdlgb", "vclgdb")
19803         ("vec_fpint<mode>", "vflls")
19804         ("vflrd", "*vec_cmp<insn_cmp><mode>_cconly", "vec_cmpeq<mode>_cc")
19805         ("vec_cmpeq<mode>_cc", "vec_cmph<mode>_cc", "vec_cmphe<mode>_cc")
19806         ("*vec_cmpeq<mode>_cc", "*vec_cmph<mode>_cc")
19807         ("*vec_cmphe<mode>_cc"): ... these.
19808
19809         ("vec_ctd_s64", "vec_ctsl", "vec_ctul", "vec_st2f"): Use rounding
19810         mode constant instead of magic value.
19811
19812 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19813
19814         * config/s390/s390.c (s390_expand_vec_compare): Support other
19815         vector floating point modes than just V2DF.
19816         (s390_expand_vcond): Likewise.
19817         (s390_hard_regno_mode_ok): Allow SFmode values in VRs.
19818         (s390_cannot_change_mode_class): Prevent mode changes between TF
19819         and V1TF in vector registers.
19820         * config/s390/s390.md (DF, SF): New mode attributes.
19821         ("*cmp<mode>_ccs", "add<mode>3", "sub<mode>3", "mul<mode>3")
19822         ("fma<mode>4", "fms<mode>4", "div<mode>3", "*neg<mode>2"): Add
19823         SFmode support for VRs.
19824         * config/s390/vector.md (V_HW, V_HW2, VT_HW, ti*, nonvec): Add new
19825         vector fp modes.
19826         (VFT, VF_HW): New mode iterators.
19827         (vw, sdx): New mode attributes.
19828         ("addv2df3", "subv2df3", "mulv2df3", "divv2df3", "sqrtv2df2")
19829         ("fmav2df4","fmsv2df4", "negv2df2", "absv2df2", "*negabsv2df2")
19830         ("smaxv2df3", "sminv2df3", "*vec_cmp<VFCMP_HW_OP:code>v2df_nocc")
19831         ("vec_cmpuneqv2df", "vec_cmpltgtv2df", "vec_orderedv2df")
19832         ("vec_unorderedv2df"): Adjust the v2df only patterns to support
19833         also the new vector floating point modes.  Renaming to ...
19834
19835         ("add<mode>3", "sub<mode>3", "mul<mode>3", "div<mode>3")
19836         ("sqrt<mode>2", "fma<mode>4", "fms<mode>4", "neg<mode>2")
19837         ("abs<mode>2", "negabs<mode>2", "smax<mode>3")
19838         ("smin<mode>3", "*vec_cmp<VFCMP_HW_OP:code><mode>_nocc")
19839         ("vec_cmpuneq<mode>", "vec_cmpltgt<mode>", "vec_ordered<mode>")
19840         ("vec_unordered<mode>"): ... these.
19841
19842         ("neg_fma<mode>4", "neg_fms<mode>4", "*smax<mode>3_vxe")
19843         ("*smin<mode>3_vxe", "*sminv2df3_vx", "*vec_extendv4sf")
19844         ("*vec_extendv2df"): New insn definitions.
19845
19846 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19847
19848         * config/s390/s390.md ("*adddi3_sign", "*subdi3_sign", "mulditi3")
19849         ("mulditi3_2", "*muldi3_sign"): New patterns.
19850         ("muldi3", "*muldi3", "mulsi3", "*mulsi3"): Add an expander and
19851         rename the pattern definition.
19852
19853 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19854
19855         * config/s390/s390.md ("indirect_jump"): Turn insn definition into
19856         expander.
19857         ("*indirect_jump", "*indirect2_jump"): New pattern definitions.
19858
19859 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19860
19861         * config/s390/s390.c (s390_expand_vec_init): Use vllezl
19862         instruction if possible.
19863         * config/s390/vector.md (vec_halfnumelts): New mode
19864         attribute.
19865         ("*vec_vllezlf<mode>"): New pattern.
19866
19867 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19868
19869         * config/s390/vector.md ("popcountv16qi2", "popcountv8hi2")
19870         ("popcountv4si2", "popcountv2di2"): Rename to ...
19871         ("popcount<mode>2", "popcountv8hi2_vx", "popcountv4si2_vx")
19872         ("popcountv2di2_vx"): ... these and add !TARGET_VXE to the
19873         condition.
19874         ("popcount<mode>2_vxe"): New pattern.
19875
19876 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19877
19878         * common/config/s390/s390-common.c (processor_flags_table): Add
19879         arch12.
19880         * config.gcc: Add arch12.
19881         * config/s390/driver-native.c (s390_host_detect_local_cpu):
19882         Default to arch12 for unknown CPU model numbers.
19883         * config/s390/s390-builtins.def: Add B_VXE builtin flag.
19884         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Adjust
19885         PROCESSOR_max sanity check.
19886         * config/s390/s390-opts.h (enum processor_type): Add
19887         PROCESSOR_ARCH12.
19888         * config/s390/s390.c (processor_table): Add arch12.
19889         (s390_expand_builtin): Add check for B_VXE flag.
19890         (s390_issue_rate): Add PROCESSOR_ARCH12.
19891         (s390_get_sched_attrmask): Likewise.
19892         (s390_get_unit_mask): Likewise.
19893         (s390_sched_score): Enable z13 scheduling for arch12.
19894         (s390_sched_reorder): Likewise.
19895         (s390_sched_variable_issue): Likewise.
19896         * config/s390/s390.h (enum processor_flags): Add PF_ARCH12 and
19897         PF_VXE.
19898         (s390_tune_attr): Use z13 scheduling also for arch12.
19899         (TARGET_CPU_ARCH12, TARGET_CPU_ARCH12_P, TARGET_CPU_VXE)
19900         (TARGET_CPU_VXE_P, TARGET_ARCH12, TARGET_ARCH12_P, TARGET_VXE)
19901         (TARGET_VXE_P): New macros.
19902         * config/s390/s390.md: Add arch12 to cpu attribute.  Add arch12
19903         and vxe to cpu_facility.  Add arch12 and vxe to enabled attribute.
19904         * config/s390/s390.opt: Add arch12 as processor_type.
19905
19906 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19907
19908         * config/s390/s390.md
19909         ("fixuns_truncdddi2", "fixuns_trunctddi2")
19910         ("fixuns_trunc<BFP:mode><GPR:mode>2"): Merge into ...
19911         ("fixuns_trunc<FP:mode><GPR:mode>2"): New expander.
19912
19913         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fixuns_trunc<mode>si2"):
19914         Rename expanders to ...
19915
19916         ("fixuns_trunc<BFP:mode><GPR:mode>2_emu")
19917         ("fixuns_truncdddi2_emu"): ... these.
19918
19919         ("fixuns_trunc<mode>si2_emu"): New expander.
19920
19921         ("*fixuns_truncdfdi2_z13"): Rename to ...
19922         ("*fixuns_truncdfdi2_vx"): ... this.
19923
19924 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19925
19926         * config/s390/2964.md: Remove the single element vector compare
19927         instructions which are no longer used.
19928         * config/s390/s390.c (s390_select_ccmode): Remove handling of
19929         vector CCmodes.
19930         (s390_canonicalize_comparison): Remove handling of DFmode
19931         compares.
19932         (s390_expand_vec_compare_scalar): Remove function.
19933         (s390_emit_compare): Don't call s390_expand_vec_compare_scalar.
19934         * config/s390/s390.md ("*vec_cmp<insn_cmp>df_cconly"): Remove
19935         pattern.
19936         ("*cmp<mode>_ccs"): Add wfcdb instruction.
19937
19938 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19939
19940         * config/s390/s390.md ("mov<mode>_64dfp" DD_DF): Use vleig for loading a
19941         FP zero.
19942         ("*mov<mode>_64" DD_DF): Remove the vector instructions. These
19943         will anyway by matched by mov<mode>_64dfp.
19944
19945 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19946
19947         * config/s390/s390.md ("mov<mode>" SD_SF): Change vleg/vsteg to
19948         vlef/vstef.  Add missing operand to vleif.
19949
19950 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19951
19952         * config/s390/s390.c (s390_expand_vec_init): Enable vector load
19953         pair for all vector types with 64 bit elements.
19954         * config/s390/vx-builtins.md (V_HW_64): Move mode iterator to ...
19955         * config/s390/vector.md (V_HW_64): ... here.
19956         (V_128_NOSINGLE): New mode iterator.
19957         ("vec_init<V_HW:mode>"): Use V_128 as mode iterator.
19958         ("*vec_splat<mode>"): Use V_128_NOSINGLE mode iterator.
19959         ("*vec_tf_to_v1tf", "*vec_ti_to_v1ti"): New pattern definitions.
19960         ("*vec_load_pairv2di"): Change to ...
19961         ("*vec_load_pair<mode>"): ... this one.
19962
19963 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19964
19965         * config/s390/constraints.md: Add comments.
19966         (jKK): Reject element sizes > 8 bytes.
19967         * config/s390/s390.c (s390_split_ok_p): Enable splitting also for
19968         s_operands.
19969         * config/s390/s390.md: Add the s_operand checks formerly in
19970         s390_split_ok_p to various splitters where they are still
19971         required.
19972         * config/s390/vector.md ("mov<mode>" V_128): Add GPR alternatives
19973         for 128 bit vectors.  Plus two splitters.
19974
19975 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19976
19977         * config/s390/s390.md: Rename the cpu facilty vec to vx throughout
19978         the file.
19979
19980 2017-03-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
19981
19982         PR target/79893
19983         * config/s390/s390-c.c (s390_adjust_builtin_arglist): Issue an
19984         error if the boundary argument is not constant.
19985
19986 2017-03-24  Jakub Jelinek  <jakub@redhat.com>
19987
19988         PR rtl-optimization/80112
19989         * loop-doloop.c (doloop_condition_get): Don't check condition
19990         if cmp isn't SET with IF_THEN_ELSE src.
19991
19992 2017-03-24  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
19993
19994         PR tree-optimization/80158
19995         * gimple-ssa-strength-reduction.c (replace_mult_candidate): When
19996         replacing a candidate statement, also replace it for the
19997         candidate's alternate interpretation.
19998         (replace_rhs_if_not_dup): Likewise.
19999         (replace_one_candidate): Likewise.
20000
20001 2017-03-24  Richard Biener  <rguenther@suse.de>
20002
20003         PR tree-optimization/80167
20004         * graphite-isl-ast-to-gimple.c
20005         (translate_isl_ast_to_gimple::is_valid_rename): Handle default-defs
20006         properly.
20007         (translate_isl_ast_to_gimple::get_rename): Likewise.
20008
20009 2017-03-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20010
20011         * config/rs6000/rs6000.c (rs6000_option_override_internal): Change
20012         handling of certain combinations of target options, including the
20013         combinations -mpower8-vector vs. -mno-vsx, -mpower9-vector vs.
20014         -mno-power8-vector, and -mpower9_dform vs. -mno-power9-vector.
20015
20016 2017-03-23  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20017
20018         PR target/71436
20019         * config/arm/arm.md (*load_multiple): Add reload_completed to
20020         matching condition.
20021
20022 2017-03-23  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20023             Richard Biener  <rguenth@suse.de>
20024
20025         PR tree-optimization/79908
20026         PR tree-optimization/80136
20027         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
20028         been cast away, gimplify_and_add suffices.
20029
20030 2017-03-23  Markus Trippelsdorf  <markus@trippelsdorf.de>
20031
20032         * tree-vrp.c (identify_jump_threads): Delete avail_exprs.
20033
20034 2017-03-23  Richard Biener  <rguenther@suse.de>
20035
20036         PR tree-optimization/80032
20037         * gimplify.c (gimple_push_cleanup): Forced unconditional
20038         cleanups still have to go to the conditional_cleanups
20039         sequence.
20040
20041 2017-03-22  Jakub Jelinek  <jakub@redhat.com>
20042
20043         PR tree-optimization/80072
20044         * tree-ssa-reassoc.c (struct operand_entry): Change id field type
20045         to unsigned int.
20046         (next_operand_entry_id): Change type to unsigned int.
20047         (sort_by_operand_rank): Make sure to return the right return value
20048         even if unsigned fields are bigger than INT_MAX.
20049         (struct oecount): Change cnt and id type to unsigned int.
20050         (oecount_hasher::equal): Formatting fix.
20051         (oecount_cmp): Make sure to return the right return value
20052         even if unsigned fields are bigger than INT_MAX.
20053         (undistribute_ops_list): Change next_oecount_id type to unsigned int.
20054
20055         PR c++/80129
20056         * gimplify.c (gimplify_modify_expr_rhs) <case COND_EXPR>: Clear
20057         TREE_READONLY on result if writing it more than once.
20058
20059         PR sanitizer/80110
20060         * doc/invoke.texi (-fsanitize=thread): Document that with
20061         -fnon-call-exceptions atomics are not able to throw
20062         exceptions.
20063
20064         PR sanitizer/80110
20065         * tsan.c: Include tree-eh.h.
20066         (instrument_builtin_call): Call maybe_clean_eh_stmt or
20067         maybe_clean_or_replace_eh_stmt where needed.
20068         (instrument_memory_accesses): Add cfg_changed argument.
20069         Call gimple_purge_dead_eh_edges on each block and set *cfg_changed
20070         if it returned true.
20071         (tsan_pass): Adjust caller.  Return TODO_cleanup_cfg if cfg_changed.
20072
20073         PR rtl-optimization/63191
20074         * config/i386/i386.c (ix86_delegitimize_address): Turn into small
20075         wrapper function, moved the whole old content into ...
20076         (ix86_delegitimize_address_1): ... this.  New inline function.
20077         (ix86_find_base_term): Use ix86_delegitimize_address_1 with
20078         true as last argument instead of ix86_delegitimize_address.
20079
20080 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20081
20082         * config/aarch64/aarch64.c (generic_branch_cost): Copy
20083         cortexa57_branch_cost.
20084
20085 2017-03-22  Wilco Dijkstra  <wdijkstr@arm.com>
20086
20087         * config/aarch64/aarch64.c (generic_tunings): Add AES fusion.
20088
20089 2017-03-21  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20090
20091         PR target/80123
20092         * doc/md.texi (Constraints): Document wA constraint.
20093         * config/rs6000/constraints.md (wA): New.
20094         * config/rs6000/rs6000.c (rs6000_debug_reg_global): Add wA reg_class.
20095         (rs6000_init_hard_regno_mode_ok): Init wA constraint.
20096         * config/rs6000/rs6000.h (RS6000_CONSTRAINT_wA): New.
20097         * config/rs6000/vsx.md (vsx_splat_<mode>): Use wA constraint.
20098
20099 2017-03-22  Cesar Philippidis  <cesar@codesourcery.com>
20100
20101         PR c++/80029
20102         * gimplify.c (is_oacc_declared): New function.
20103         (oacc_default_clause): Use it to set default flags for acc declared
20104         variables inside parallel regions.
20105         (gimplify_scan_omp_clauses): Strip firstprivate pointers for acc
20106         declared variables.
20107         (gimplify_oacc_declare): Gimplify the declare clauses.  Add the
20108         declare attribute to any decl as necessary.
20109
20110 2017-03-22  Thomas Preud'homme  <thomas.preudhomme@arm.com>
20111
20112         PR target/80082
20113         * config/arm/arm-isa.h (isa_bit_lpae): New feature bit.
20114         (ISA_ARMv7ve): Add isa_bit_lpae to the definition.
20115         * config/arm/arm-protos.h (arm_arch7ve): Rename into ...
20116         (arm_arch_lpae): This.
20117         * config/arm/arm.c (arm_arch7ve): Rename into ...
20118         (arm_arch_lpae): This.  Define it in term of isa_bit_lpae.
20119         * config/arm/arm.h (TARGET_HAVE_LPAE): Redefine in term of
20120         arm_arch_lpae.
20121
20122 2017-03-22  Martin Liska  <mliska@suse.cz>
20123
20124         PR target/79906
20125         * config/rs6000/rs6000.c (rs6000_inner_target_options): Show
20126         error message instead of an ICE.
20127
20128 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20129
20130         * doc/extend.texi (6.11 Additional Floating Types): Revise.
20131
20132 2017-03-21  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20133
20134         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
20135         comments.
20136         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
20137         comments.
20138
20139 2017-03-21  Martin Sebor  <msebor@redhat.com>
20140
20141         * doc/extend.texi: Use "cannot" instead of "can't."
20142         * doc/hostconfig.texi: Same.
20143         * doc/install.texi: Same.
20144         * doc/invoke.texi: Same.
20145         * doc/loop.texi: Same.
20146         * doc/md.texi: Same.
20147         * doc/objc.texi: Same.
20148         * doc/rtl.texi: Same.
20149         * doc/tm.texi: Same.
20150         * doc/tm.texi.in: Same.
20151         * doc/trouble.texi: Same.
20152
20153 2017-03-21  Alexandre Oliva <aoliva@redhat.com>
20154
20155         PR debug/63238
20156         * dwarf2out.c (struct checksum_attributes): Add at_alignment.
20157         (collect_checksum_attributes): Set it.
20158         (die_checksum_ordered): Use it.
20159
20160 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20161
20162         PR tree-optimization/79908
20163         * tree-stdarg.c (expand_ifn_va_arg_1): Revert the following
20164         change: For a VA_ARG whose LHS has been cast away, use
20165         force_gimple_operand to construct the side effects.
20166
20167 2017-03-21  David Malcolm  <dmalcolm@redhat.com>
20168
20169         PR translation/80001
20170         * omp-offload.c (oacc_loop_fixed_partitions): Make diagnostics
20171         more amenable to translation.
20172         (oacc_loop_auto_partitions): Likewise.
20173
20174 2017-03-21  Marek Polacek  <polacek@redhat.com>
20175             Martin Sebor  <msebor@redhat.com>
20176
20177         PR tree-optimization/80109
20178         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call get_range_info
20179         on INTEGRAL_TYPE_P.
20180
20181 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
20182             Segher Boessenkool  <segher@kernel.crashing.org>
20183
20184         PR target/80125
20185         * combine.c (can_combine_p): Revert the 2017-03-20 change, only
20186         check reg_used_between_p between insn and one of succ or succ2
20187         depending on if succ is artificial insn not inserted into insn
20188         stream.
20189
20190 2017-03-21  Martin Liska  <mliska@suse.cz>
20191
20192         PR gcov-profile/80081
20193         * Makefile.in: Add gcov-dump and fix installation of gcov-tool.
20194         * doc/gcc.texi: Include gcov-dump stuff.
20195         * doc/gcov-dump.texi: New file.
20196
20197 2017-03-21  Toma Tabacu  <toma.tabacu@imgtec.com>
20198
20199         PR rtl-optimization/79150
20200         * config/mips/mips.c (mips_block_move_loop): Emit a NOP after the
20201         conditional jump, if the jump is the last insn of the loop.
20202
20203 2017-03-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20204             Richard Biener  <rguenth@suse.de>
20205
20206         PR tree-optimization/79908
20207         * tree-stdarg.c (expand_ifn_va_arg_1): For a VA_ARG whose LHS has
20208         been cast away, use force_gimple_operand to construct the side
20209         effects.
20210
20211 2017-03-21  Martin Liska  <mliska@suse.cz>
20212
20213         PR libfortran/79956
20214         * simplify-rtx.c (simplify_immed_subreg): Initialize a variable
20215         to NULL.
20216
20217 2017-03-21  Brad Spengler <spender@grsecurity.net>
20218
20219         PR plugins/80094
20220         * plugin.c (htab_hash_plugin): New function.
20221         (add_new_plugin): Use it and adjust.
20222         (parse_plugin_arg_opt): Adjust.
20223         (init_one_plugin): Likewise.
20224
20225 2017-03-21  Richard Biener  <rguenther@suse.de>
20226
20227         PR tree-optimization/80032
20228         * gimplify.c (gimple_push_cleanup): Add force_uncond parameter,
20229         if set force the cleanup to happen unconditionally.
20230         (gimplify_target_expr): Push inserted clobbers with force_uncond
20231         to avoid them being removed by control-dependent DCE.
20232
20233 2017-03-21  Richard Biener  <rguenther@suse.de>
20234
20235         PR tree-optimization/80122
20236         * tree-inline.c (copy_bb): Do not expans va-arg packs or
20237         va_arg_pack_len when the inlined call stmt requires pack
20238         expansion itself.
20239         * tree-inline.h (struct copy_body_data): Make call_stmt a gcall *.
20240
20241 2017-03-21  Jakub Jelinek  <jakub@redhat.com>
20242
20243         PR sanitizer/78158
20244         * tsan.c (instrument_builtin_call): If the memory model argument
20245         is not a constant, assume it is valid.
20246
20247         PR c/67338
20248         * fold-const.c (round_up_loc): Negate divisor in unsigned type to
20249         avoid UB.
20250
20251 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20252
20253         PR rtl-optimization/79910
20254         * combine.c (can_combine_p): Do not allow combining an I0 or I1
20255         if its dest is used by an insn before I2 (other than the combined
20256         insns themselves, which are properly handled already).
20257
20258 2017-03-20  Segher Boessenkool  <segher@kernel.crashing.org>
20259
20260         Revert:
20261         2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20262
20263         * combine.c (record_used_regs): New static function.
20264         (try_combine): Handle situations where there is an additional
20265         instruction between I2 and I3 which needs to have a LOG_LINK
20266         updated.
20267
20268         Revert:
20269         2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20270
20271         * combine.c (try_combine): Delete redundant i1 test.  Call
20272         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20273
20274 2017-03-20  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
20275
20276         PR target/80083
20277         * config/rs6000/rs6000.md (*movsi_internal1): Fix constraints for
20278         alternatives 13/14.
20279
20280 2017-03-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20281
20282         PR tree-optimization/80054
20283         * gimple-ssa-strength-reduction.c (all_phi_incrs_profitable): Fail
20284         the optimization if a PHI or any of its arguments is not dominated
20285         by the candidate's basis.  Use gphi* rather than gimple* as
20286         appropriate.
20287         (replace_profitable_candidates): Clean up a gimple* variable that
20288         should be a gphi* variable.
20289
20290 2017-03-20  Martin Sebor  <msebor@redhat.com>
20291
20292         PR c++/52477
20293         * doc/extend.texi (attribute constructor): Document present limitation.
20294
20295 2017-03-20  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20296
20297         PR target/79963
20298         * config/rs6000/altivec.h (vec_all_ne): Under __cplusplus__ and
20299         __POWER9_VECTOR__ #ifdef control, change template definition to
20300         use Power9-specific built-in function.
20301         (vec_any_eq): Likewise.
20302         * config/rs6000/vector.md (vector_ae_v2di_p): Change the flag used
20303         to control outcomes from this test.
20304         (vector_ae_<mode>p): For VEC_F modes, likewise.
20305
20306 2017-03-20  Ian Lance Taylor  <iant@google.com>
20307
20308         * config/i386/i386.c (ix86_function_regparm): Save an extra
20309         register for -fsplit-stack with DECL_STATIC_CHAIN.
20310
20311 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20312
20313         PR target/79912
20314         * config/riscv/riscv.c (riscv_preferred_reload_class): Remove.
20315         (TARGET_PREFERRED_RELOAD_CLASS): Likewise.
20316
20317 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com>
20318
20319         * config/riscv/riscv.c (riscv_print_operand): Use "fence
20320         iorw,ow".
20321         * config/riscv/sync.mc (mem_thread_fence_1): Use "fence
20322         iorw,iorw".
20323
20324 2017-03-20  Marek Polacek  <polacek@redhat.com>
20325
20326         PR sanitizer/80063
20327         * asan.c (DEF_SANITIZER_BUILTIN): Use do { } while (0).
20328
20329 2017-03-20  Richard Biener  <rguenther@suse.de>
20330
20331         PR tree-optimization/80113
20332         * graphite-isl-ast-to-gimple.c (copy_loop_phi_nodes): Do not
20333         allocate extra SSA name for PHI def.
20334         (add_close_phis_to_outer_loops): Likewise.
20335         (add_close_phis_to_merge_points): Likewise.
20336         (copy_loop_close_phi_args): Likewise.
20337         (copy_cond_phi_nodes): Likewise.
20338
20339 2017-03-20  Martin Liska  <mliska@suse.cz>
20340
20341         PR middle-end/79753
20342         * tree-chkp.c (chkp_build_returned_bound): Do not build
20343         returned bounds for a LHS that's not a BOUNDED_P type.
20344
20345 2017-03-20  Martin Liska  <mliska@suse.cz>
20346
20347         PR target/79769
20348         PR target/79770
20349         * tree-chkp.c (chkp_find_bounds_1): Handle REAL_CST,
20350         COMPLEX_CST and VECTOR_CST.
20351
20352 2017-03-20  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
20353
20354         PR target/78857
20355         * config/s390/s390.md ("cmp<mode>_ccs_0"): Add a clobber of the
20356         target operand.  A new splitter adds the clobber statement in case
20357         the target operand is dead anyway.
20358
20359 2017-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
20360
20361         * doc/install.texi (Specific) <sparc-*-linux*>: No longer refer
20362         to age-old versions of binutils and glibc.
20363
20364 2017-03-18  Segher Boessenkool  <segher@kernel.crashing.org>
20365
20366         * doc/contrib.texi (Contributors): Remove duplicate entry for myself.
20367
20368 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20369
20370         * doc/contrib.texi (Contributors): Add Segher Boessenkool.
20371
20372 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
20373
20374         * doc/install.texi (Specific) <arm-*-eabi>: Remove old
20375         requirement for binutils 2.13.
20376
20377 2017-03-17  Jim Wilson  <jim.wilson@linaro.org>
20378
20379         * combine.c (try_combine): Delete redundant i1 test.  Call
20380         prev_nonnote_nondebug_insn instead of prev_nonnote_insn.
20381
20382 2017-03-17  Palmer Dabbelt  <palmer@dabbelt.com
20383
20384         * doc/install.texi (Specific) <riscv32-*-elf>: Add riscv32-*-elf,
20385         riscv32-*-linux, riscv64-*-elf, riscv64-*-linux to the table of
20386         contents.
20387         <riscv64-*-elf>: Re-arrange section
20388         <riscv32-*-elf>: Add a note about requiring binutils 2.28.
20389         <riscv32-*-linux>: Likewise.
20390         <riscv64-*-elf>: Likewise
20391         <riscv64-*-linux>: Likewise.
20392
20393 2017-03-17  Richard Earnshaw  <rearnsha@arm.com>
20394
20395         PR target/80052
20396         * aarch64.opt(verbose-cost-dump): Fix typo.
20397
20398 2017-03-17  Pat Haugen  <pthaugen@us.ibm.com>
20399
20400         PR target/79951
20401         * config/rs6000/rs6000.md (copysign<mode>3_fcpsgn): Test
20402         for VECTOR_UNIT_VSX_P (<MODE>mode) too.
20403
20404 2017-03-17  Bernd Schmidt  <bschmidt@redhat.com>
20405
20406         * reload.c (find_reloads): When reloading a nonoffsettable address,
20407         use RELOAD_OTHER for it and its address reloads.
20408
20409         PR rtl-optimization/79910
20410         * combine.c (record_used_regs): New static function.
20411         (try_combine): Handle situations where there is an additional
20412         instruction between I2 and I3 which needs to have a LOG_LINK
20413         updated.
20414
20415 2017-03-17  Jeff Law  <law@redhat.com>
20416
20417         PR tree-optimization/71437
20418         * tree-vrp.c (simplify_stmt_for_jump_threading): Lookup the
20419         conditional in the hash table first.
20420         (vrp_dom_walker::before_dom_children): Extract condition from
20421         ASSERT_EXPR.  Record condition, its inverion and any implied
20422         conditions as well.
20423
20424 2017-03-17  Marek Polacek  <polacek@redhat.com>
20425             Markus Trippelsdorf  <markus@trippelsdorf.de>
20426
20427         PR tree-optimization/80079
20428         * gimple-ssa-store-merging.c (class pass_store_merging): Initialize
20429         m_stores_head.
20430
20431 2017-03-17  Richard Biener  <rguenther@suse.de>
20432
20433         PR middle-end/80075
20434         * tree-eh.c (stmt_could_throw_1_p): Only handle gimple assigns.
20435         Properly verify the LHS before the RHS possibly claims to be
20436         handled.
20437         (stmt_could_throw_p): Hande gimple conds fully here.  Clobbers
20438         do not throw.
20439
20440 2017-03-17  Martin Jambor  <mjambor@suse.cz>
20441
20442         * doc/invoke.texi (Option Options): Include -fipa-vrp in the list.
20443         (List of -O2 options): Likewise.
20444         (-fipa-bit-cp): Replace "ipa" with "interprocedural."
20445         (-fipa-vrp) New.
20446
20447 2017-03-17  Tom de Vries  <tom@codesourcery.com>
20448
20449         * gcov-dump.c (print_usage): Print bug_report_url.
20450
20451 2017-03-17  Richard Biener  <rguenther@suse.de>
20452
20453         PR middle-end/80050
20454         * genmatch.c (parser::next): Remove pointless check for CPP_EOF.
20455         (parser::peek): Likewise.
20456
20457 2017-03-17  Richard Biener  <rguenther@suse.de>
20458
20459         PR tree-optimization/80048
20460         * sese.c (free_sese_info): Properly release rename_map and
20461         copied_bb_map elements.
20462
20463 2017-03-16  Alexandre Oliva <aoliva@redhat.com>
20464
20465         * gimple-ssa-store-merging.c (struct imm_store_chain_info):
20466         Add linked-list forward and backlinks.  Insert on
20467         construction, remove on destruction.
20468         (class pass_store_merging): Add m_stores_head field.
20469         (pass_store_merging::terminate_and_process_all_chains):
20470         Iterate over m_stores_head list.
20471         (pass_store_merging::terminate_all_aliasing_chains):
20472         Likewise.
20473         (pass_store_merging::execute): Check for debug stmts first.
20474         Push new chains onto the m_stores_head stack.
20475
20476 2017-03-16  Michael Meissner  <meissner@linux.vnet.ibm.com>
20477
20478         PR target/71294
20479         * config/rs6000/vsx.md (vsx_splat_<mode>, VSX_D iterator): Allow a
20480         SPLAT operation on ISA 2.07 64-bit systems that have direct move,
20481         but no MTVSRDD support, by doing MTVSRD and XXPERMDI.
20482
20483 2017-03-16  Jeff Law  <law@redhat.com>
20484
20485         PR tree-optimization/71437
20486         * tree-ssa-dom.c (dom_opt_dom_walker): Remove thread_across_edge
20487         member function.  Implementation moved into after_dom_children
20488         member function and into the threader's thread_outgoing_edges
20489         function.
20490         (dom_opt_dom_walker::after_dom_children): Simplify by moving
20491         some code into new thread_outgoing_edges.
20492         * tree-ssa-threadedge.c (thread_across_edge): Make static and simplify
20493         definition.  Simplify marker handling (do it here).   Assume we always
20494         have the available expression and the const/copies tables.
20495         (thread_outgoing_edges): New function extracted from tree-ssa-dom.c
20496         and tree-vrp.c
20497         * tree-ssa-threadedge.h (thread_outgoing_edges): Declare.
20498         * tree-vrp.c (equiv_stack): No longer file scoped.
20499         (vrp_dom_walker): New class.
20500         (vrp_dom_walker::before_dom_children): New member function.
20501         (vrp_dom_walker::after_dom_children): Likewise.
20502         (identify_jump_threads):  Setup domwalker.  Use it rather than
20503         walking edges in a random order by hand.  Simplify setup/finalization.
20504         (finalize_jump_threads): Remove.
20505         (vrp_finalize): Do not call identify_jump_threads here.
20506         (execute_vrp): Do it here instead and call thread_through_all_blocks
20507         here too.
20508
20509         PR tree-optimization/71437
20510         * tree-ssa-dom.c (pfn_simplify): Add basic_block argument.  All
20511         callers changed.
20512         (simplify_stmt_for_jump_threading): Add basic_block argument.  All
20513         callers changed.
20514         (lhs_of_dominating_assert): Moved from here into tree-vrp.c.
20515         (dom_opt_dom_walker::thread_across_edge): Remove
20516         handle_dominating_asserts argument.  All callers changed.
20517         (record_temporary_equivalences_from_stmts_at_dest): Corresponding
20518         changes.  Remove calls to lhs_of_dominating_assert.  Other
20519         uses of handle_dominating_asserts turn into unconditional code
20520         (simplify_control_stmt_condition_1): Likewise.
20521         (simplify_control_stmt_condition): Likewise.
20522         (thread_through_normal_block, thread_across_edge): Likewise.
20523         * tree-ssa-threadedge.h (thread_across_edge): Corresponding changes.
20524         * tree-vrp.c (lhs_of_dominating_assert): Move here.  Return original
20525         object if it is not an SSA_NAME.
20526         (simplify_stmt_for_jump_threading): Call lhs_of_dominating_assert
20527         before calling into the VRP specific simplifiers.
20528         (identify_jump_threads): Remove handle_dominating_asserts
20529         argument.
20530
20531 2017-03-16  Jakub Jelinek  <jakub@redhat.com>
20532
20533         PR fortran/79886
20534         * tree-diagnostic.c (default_tree_printer): No longer static.
20535         * tree-diagnostic.h (default_tree_printer): New prototype.
20536
20537 2017-03-16  Tamar Christina  <tamar.christina@arm.com>
20538
20539         * config/aarch64/aarch64-simd.md (*aarch64_simd_mov<mode>)
20540         Change ins into fmov.
20541
20542 2017-03-16  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20543
20544         * config/aarch64/iterators.md (h_con): Return "x" for V4HF and V8HF.
20545         * config/aarch64/aarch64-simd.md (*aarch64_fma4_elt_from_dup<mode>):
20546         Use h_con constraint for operand 1.
20547         (*aarch64_fnma4_elt_from_dup<mode>): Likewise.
20548         (*aarch64_mulx_elt_from_dup<mode>): Likewise for operand 2.
20549
20550 2017-03-15  Jeff Law  <law@redhat.com>
20551
20552         PR tree-optimization/71437
20553         * tree-ssa-dom.c (derive_equivalences_from_bit_ior): New function.
20554         (record_temporary_equivalences): Use it.
20555
20556         PR tree-optimization/71437
20557         * tree-ssa-dom.c (struct cond_equivalence): Moved from here into
20558         tree-ssa-scopedtables.
20559         (lookup_avail_expr, build_and_record_new_cond): Likewise.
20560         (record_conditions, record_cond, vuse_eq): Likewise.
20561         (record_edge_info): Adjust to API tweak of record_conditions.
20562         (simplify_stmt_for_jump_threading): Similarly for lookup_avail_expr.
20563         (record_temporary_equivalences, optimize_stmt): Likewise.
20564         (eliminate_redundant_computations): Likewise.
20565         (record_equivalences_from_stmt): Likewise.
20566         * tree-ssa-scopedtables.c: Include options.h and params.h.
20567         (vuse_eq): New function, moved from tree-ssa-dom.c
20568         (build_and_record_new_cond): Likewise.
20569         (record_conditions): Likewise.  Accept vector of conditions rather
20570         than edge_equivalence structure for first argument.
20571         for the first argument.
20572         (avail_exprs_stack::lookup_avail_expr): New member function, moved
20573         from tree-ssa-dom.c.
20574         (avail_exprs_stack::record_cond): Likewise.
20575         * tree-ssa-scopedtables.h (struct cond_equivalence): Moved here
20576         from tree-ssa-dom.c.
20577         (avail_exprs_stack): Add new member functions lookup_avail_expr
20578         and record_cond.
20579         (record_conditions): Declare.
20580
20581 2017-03-15  Vladimir Makarov  <vmakarov@redhat.com>
20582
20583         PR target/80017
20584         * lra-constraints.c (process_alt_operands): Increase reject for
20585         reloading an input/output operand.
20586
20587 2017-03-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
20588
20589         PR target/79038
20590         * config/rs6000/rs6000.md (float<QHI:mode><IEEE128:mode>2): Define
20591         insns to convert from signed/unsigned char/short to IEEE 128-bit
20592         floating point.
20593         (floatuns<QHI:mode><IEEE128:mode>2): Likewise.
20594
20595 2017-03-15  Uros Bizjak  <ubizjak@gmail.com>
20596
20597         PR target/80019
20598         * config/i386/i386.c (ix86_vector_duplicate_value): Create
20599         subreg of inner mode for values already in registers.
20600
20601 2017-03-15  Bernd Schmidt  <bschmidt@redhat.com>
20602
20603         * config/c6x/c6x.c (hwloop_optimize): Handle case where the old
20604         iteration reg is used after the loop.
20605
20606 2017-03-14  Martin Sebor  <msebor@redhat.com>
20607
20608         PR tree-optimization/79800
20609         * gimple-ssa-sprintf.c (format_floating: Add argument.  Handle
20610         precision in negative-positive range.
20611         (format_floating): Call non-const overload with adjusted precision.
20612
20613 2017-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
20614
20615         PR target/79947
20616         * config/rs6000/rs6000.h (TARGET_FRSQRTES): Add check for
20617         -mpowerpc-gfxopt.
20618
20619 2017-03-14  Martin Sebor  <msebor@redhat.com>
20620
20621         PR middle-end/80020
20622         * builtin-attrs.def (ATTR_ALLOC_SIZE_2_NOTHROW_LIST): New macro.
20623         * builtins.def (aligned_alloc): Use it.
20624
20625         PR c/79936
20626         * Makefile.in (GTFILES): Add calls.c.
20627         * calls.c: Include "gt-calls.h".
20628
20629 2017-03-14  Bernd Schmidt  <bschmidt@redhat.com>
20630
20631         PR rtl-optimization/79728
20632         * regs.h (struct target_regs): New field
20633         x_contains_allocatable_regs_of_mode.
20634         (contains_allocatable_regs_of_mode): New macro.
20635         * reginfo.c (init_reg_sets_1): Initialize it, and change
20636         contains_reg_of_mode so it includes global regs as well.
20637         * reload.c (push_reload): Use contains_allocatable_regs_of_mode
20638         rather than contains_regs_of_mode.
20639
20640 2017-03-14  Martin Liska  <mliska@suse.cz>
20641
20642         * doc/invoke.texi: Document options that can't be combined with
20643         -fcheck-pointer-bounds.
20644
20645 2017-03-14  Martin Liska  <mliska@suse.cz>
20646
20647         PR middle-end/79831
20648         * doc/invoke.texi (-Wchkp): Document the option.
20649
20650 2017-03-14  Martin Liska  <mliska@suse.cz>
20651
20652         * Makefile.in: Install gcov-dump.
20653
20654 2017-03-14  Martin Liska  <mliska@suse.cz>
20655
20656         * multiple_target.c (expand_target_clones): Bail out for
20657         an invalid attribute.
20658
20659 2017-03-14  Richard Biener  <rguenther@suse.de>
20660
20661         * alias.c (struct alias_set_entry): Pack properly.
20662         * cfgloop.h (struct loop): Likewise.
20663         * cse.c (struct set): Likewise.
20664         * ipa-utils.c (struct searchc_env): Likewise.
20665         * loop-invariant.c (struct invariant): Likewise.
20666         * lra-remat.c (struct cand): Likewise.
20667         * recog.c (struct change_t): Likewise.
20668         * rtl.h (struct address_info): Likewise.
20669         * symbol-summary.h (function_summary): Likewise.
20670         * tree-loop-distribution.c (struct partition): Likewise.
20671         * tree-object-size.c (struct object_size_info): Likewise.
20672         * tree-ssa-loop-ivopts.c (struct cost_pair): Likewise.
20673         * tree-ssa-threadupdate.c (struct ssa_local_info_t): Likewise.
20674         * tree-vect-data-refs.c (struct _vect_peel_info): Likewise.
20675         * tree-vect-slp.c (struct _slp_oprnd_info): Likewise.
20676         * tree-vect-stmts.c (struct simd_call_arg_info): Likewise.
20677         * tree-vectorizer.h (struct _loop_vec_info): Likewise.
20678         (struct _stmt_vec_info): Likewise.
20679
20680 2017-03-14  Martin Liska  <mliska@suse.cz>
20681
20682         PR target/79892
20683         * multiple_target.c (create_dispatcher_calls): Check that
20684         a target can create a function dispatcher.
20685
20686 2017-03-14  Martin Liska  <mliska@suse.cz>
20687
20688         PR lto/66295
20689         * multiple_target.c (expand_target_clones): Drop local.local
20690         flag for default implementation.
20691
20692 2017-03-14  Richard Biener  <rguenther@suse.de>
20693
20694         PR tree-optimization/80030
20695         * tree-vect-stmts.c (vectorizable_store): Plug memleak.
20696
20697 2017-03-13  Kito Cheng  <kito.cheng@gmail.com>
20698
20699         * config/riscv/riscv.c (riscv_emit_float_compare>: Use
20700         gcc_fallthrough() instead of __attribute__((fallthrough));
20701
20702 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20703
20704         * doc/gcc.texi: Remove "up" link to (DIR).
20705         * doc/gccint.texi: Ditto.
20706
20707 2017-03-13  Gerald Pfeifer  <gerald@pfeifer.com>
20708
20709         * doc/install.texi (Specific) <avr>: Remove reference to
20710         binutils 2.13.
20711
20712 2017-03-13  Jeff Law  <law@redhat.com>
20713
20714         * config/riscv/riscv.c (riscv_emit_float_compare): Use fallthru
20715         attribute rather than comments.
20716
20717         * config/pdp11/pdp11.md (movmemhi): Adjust operand numbers to
20718         match_scratch operand is highest.
20719
20720 2017-03-13  Martin Liska  <mliska@suse.cz>
20721
20722         PR middle-end/78339
20723         * ipa-pure-const.c (warn_function_noreturn): If the declarations
20724         is a CHKP clone, use original declaration.
20725
20726 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20727
20728         * config/arc/arc.c (arc_init): Use multiplier whenever we have it.
20729         (arc_conditional_register_usage): Use a different allocation order
20730         when optimizing for size.
20731         * common/config/arc/arc-common.c (arc_option_optimization_table):
20732         Section anchors default on when optimizing for size.
20733
20734 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20735
20736         * config/arc/arc.md (*tst_bitfield_tst): Fix pattern.
20737
20738 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20739
20740         * config/arc/arc.c (arc_output_addsi): Emit code density adds.
20741         * config/arc/arc.md (cpu_facility): Add cd variant.
20742         (*movqi_insn): Add code density variant.
20743         (*movhi_insn): Likewise.
20744         (*movqi_insn): Likewise.
20745         (*addsi3_mixed): Likewise.
20746         (subsi3_insn): Likewise.
20747
20748 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20749
20750         * config/arc/arc.md (movsi_cond_exec): Update constraint.
20751
20752 2017-03-13  Claudiu Zissulescu  <claziss@synopsys.com>
20753
20754         * config/arc/arc.c (arc_legitimize_pic_address): Handle PIC
20755         expressions with MINUS and UNARY ops.
20756
20757 2017-03-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20758
20759         PR target/79911
20760         * config/arm/neon.md (vec_sel_widen_ssum_lo<VQI:mode><VW:mode>3):
20761         Rename to...
20762         (vec_sel_widen_ssum_lo<mode><V_half>3): ... This. Avoid mismatch
20763         between vec_select and vector argument.
20764         (vec_sel_widen_ssum_hi<VQI:mode><VW:mode>3): Rename to...
20765         (vec_sel_widen_ssum_hi<mode><V_half>3): ... This. Likewise.
20766         (vec_sel_widen_usum_lo<VQI:mode><VW:mode>3): Rename to...
20767         (vec_sel_widen_usum_lo<mode><V_half>3): ... This.
20768         (vec_sel_widen_usum_hi<VQI:mode><VW:mode>3): Rename to...
20769         (vec_sel_widen_usum_hi<mode><V_half>3): ... This.
20770
20771 2017-03-13  Richard Biener  <rguenther@suse.de>
20772
20773         PR other/79991
20774         * params.def (vect-max-peeling-for-alignment): Fix typo.
20775
20776 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20777
20778         * doc/install.texi (Specific) <mips-*-*>: Remove description of
20779         issue that only occurred with binutils below 2.18.
20780
20781 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20782
20783         * doc/install.texi (Specific) <cris-axis-elf>: No longer
20784         refer to binutils 2.11/2.12 minimum.
20785
20786 2017-03-12  Gerald Pfeifer  <gerald@pfeifer.com>
20787
20788         * doc/install.texi (Specific) <powerpc-*-*>: Remove link to
20789         ftp.kernel.org and simplify binutils requirement.
20790
20791 2017-03-11  Gerald Pfeifer  <gerald@pfeifer.com>
20792
20793         * doc/invoke.texi (Warning Options): Fix spelling of link-time
20794         optimization.
20795         (Optimize Options): Ditto.  Also remove redundancy.
20796
20797 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20798
20799         PR translation/79848
20800         * ipa-devirt.c (warn_types_mismatch): Simplify uses of "%<%s%>" to
20801         "%qs".
20802         * ipa-pure-const.c (suggest_attribute): Likewise.  Convert _
20803         to G_ to avoid double translation.
20804
20805 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20806
20807         PR translation/79923
20808         * auto-profile.c (get_combined_location): Convert leading
20809         character of diagnostics to lower case and remove trailing period.
20810         (read_profile): Likewise for various diagnostics.
20811         * config/arm/arm.c (arm_option_override): Remove trailing period
20812         from various diagnostics.
20813         * config/msp430/msp430.c (msp430_expand_delay_cycles): Likewise.
20814         (msp430_expand_delay_cycles): Likewise.
20815
20816 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20817
20818         PR target/79925
20819         * config/aarch64/aarch64.c (aarch64_validate_mcpu): Quote the
20820         full command-line argument, rather than just "str".
20821         (aarch64_validate_march): Likewise.
20822         (aarch64_validate_mtune): Likewise.
20823
20824 2017-03-10  Bernd Schmidt  <bschmidt@redhat.com>
20825
20826         PR rtl-optimization/78911
20827         * lra-assigns.c (must_not_spill_p): New function.
20828         (spill_for): Use it.
20829
20830 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20831
20832         PR tree-optimization/79981
20833         * tree-vrp.c (extract_range_basic): Handle IMAGPART_EXPR of
20834         ATOMIC_COMPARE_EXCHANGE ifn result.
20835         (stmt_interesting_for_vrp, vrp_visit_stmt): Handle
20836         IFN_ATOMIC_COMPARE_EXCHANGE.
20837
20838 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20839
20840         PR driver/79875
20841         * opts.c (parse_sanitizer_options): Add missing question mark to
20842         "did you mean" message.
20843
20844 2017-03-10  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20845
20846         * config/rs6000/rs6000-builtin.def (VMULEUB_UNS): Remove orphaned
20847         built-in.
20848         (VMULEUH_UNS): Likewise.
20849         (VMULOUB_UNS): Likewise.
20850         (VMULOUH_UNS): Likewise.
20851         * config/rs6000/rs6000.c (builtin_function_type): Remove
20852         references to ALTIVEC_BUILTIN_VMUL[EO]U[BH]_UNS.
20853
20854 2017-03-10  David Malcolm  <dmalcolm@redhat.com>
20855
20856         PR bootstrap/79952
20857         * read-rtl-function.c (function_reader::read_rtx_operand): Update
20858         x with result of extra_parsing_for_operand_code_0.
20859         (function_reader::extra_parsing_for_operand_code_0): Convert
20860         return type from void to rtx, returning x.  When reading
20861         SYMBOL_REF with SYMBOL_FLAG_HAS_BLOCK_INFO, reallocate x to the
20862         larger size containing struct block_symbol.
20863
20864 2017-03-10  Segher Boessenkool  <segher@kernel.crashing.org>
20865
20866         * config/rs6000/rs6000.c (rs6000_option_override_internal): Disallow
20867         -mfloat128-hardware without -m64.
20868
20869 2017-03-10  Will Schmidt <will_schmidt@vnet.ibm.com>
20870
20871         PR target/79941
20872         * config/rs6000/rs6000.c (builtin_function_type): Add VMUL*U[HB]
20873         entries to the case statement that marks unsigned arguments to
20874         overloaded functions.
20875
20876 2017-03-10  Kelvin Nilsen  <kelvin@gcc.gnu.org>
20877
20878         * config/rs6000/rs6000.c (rs6000_option_override_internal): Fix
20879         two typographic errors in the handling of TARGET_UPPER_REGS_DI.
20880
20881 2017-03-10  Pat Haugen  <pthaugen@us.ibm.com>
20882
20883         PR target/79907
20884         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Test
20885         TARGET_UPPER_REGS_DI when setting 'wi' constraint regclass.
20886
20887 2017-03-10  Martin Liska  <mliska@suse.cz>
20888
20889         PR target/65705
20890         PR target/69804
20891         * toplev.c (process_options): Enable MPX with LSAN and UBSAN.
20892         * tree-chkp.c (chkp_walk_pointer_assignments): Verify that
20893         FIELD != NULL.
20894
20895 2017-03-10  Olivier Hainque  <hainque@adacore.com>
20896
20897         * tree-switch-conversion (array_value_type): Start by resetting
20898         candidate type to it's main variant.
20899
20900 2017-03-10  Jakub Jelinek  <jakub@redhat.com>
20901
20902         PR rtl-optimization/79909
20903         * combine.c (try_combine): Use simplify_replace_rtx on individual
20904         CALL_INSN_FUNCTION_USAGE elements instead of replace_rtx on copy_rtx
20905         of the whole CALL_INSN_FUNCTION_USAGE.
20906
20907         PR tree-optimization/79972
20908         * gimple-ssa-warn-alloca.c (alloca_call_type): Only call
20909         get_range_info on SSA_NAMEs.  Formatting fixes.
20910
20911 2017-03-10  Richard Biener  <rguenther@suse.de>
20912             Jakub Jelinek  <jakub@redhat.com>
20913
20914         PR tree-optimization/77975
20915         * tree-ssa-loop-niter.c (get_base_for): Allow phi argument from latch
20916         edge to be constant.
20917         (get_val_for): For constant x return it.  Formatting fix.
20918         (loop_niter_by_eval): Avoid pointless looping if the next iteration
20919         would use the same bases as the current one.
20920
20921 2017-03-09  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
20922
20923         * config/rs6000/rs6000.c (rs6000_gen_le_vsx_permute): Use rotate
20924         instead of vec_select for V1TImode.
20925         * conifg/rs6000/vsx.md (VSX_LE): Remove mode iterator that is no
20926         longer needed.
20927         (VSX_LE_128): Add V1TI to this mode iterator.
20928         (*vsx_le_perm_load_<mode>): Change to use VSX_D mode iterator.
20929         (*vsx_le_perm_store_<mode>): Likewise.
20930         (pre-reload splitter for VSX stores): Likewise.
20931         (post-reload splitter for VSX stores): Likewise.
20932         (*vsx_xxpermdi2_le_<mode>): Likewise.
20933         (*vsx_lxvd2x2_le_<mode>): Likewise.
20934         (*vsx_stxvd2x2_le_<mode>): Likewise.
20935
20936 2017-03-09  Michael Eager  <eager@eagercon.com>
20937
20938         Correct failures with --enable-checking=yes,rtl.
20939
20940         * config/microblaze/microblaze.c (microblaze_expand_shift):
20941         Replace GET_CODE test with CONST_INT_P and INTVAL test with
20942         test for const0_rtx.
20943         * config/microblaze/microblaze.md (ashlsi3_byone, ashrsi3_byone,
20944         lshrsi3_byone): Replace INTVAL with test for const1_rtx.
20945
20946 2017-03-09  Richard Biener  <rguenther@suse.de>
20947
20948         PR tree-optimization/79977
20949         * graphite-scop-detection.c (scop_detection::merge_sese):
20950         Handle the case of extra exits to blocks dominating the entry.
20951
20952 2017-03-09  Toma Tabacu  <toma.tabacu@imgtec.com>
20953
20954         * doc/sourcebuild.texi (Effective-Target Keywords, Other attributes):
20955         Document rdynamic.
20956
20957 2017-03-09  Vladimir Makarov  <vmakarov@redhat.com>
20958
20959         PR rtl-optimization/79949
20960         * lra-constraints.c (process_alt_operands): Check memory when
20961         trying to predict a cycle.  Print about the overall increase.
20962
20963 2017-03-09  Richard Biener  <rguenther@suse.de>
20964
20965         PR middle-end/79971
20966         * gimple-expr.c (useless_type_conversion_p): Preserve
20967         TYPE_SATURATING for fixed-point types.
20968
20969 2017-03-09  Richard Biener  <rguenther@suse.de>
20970
20971         PR ipa/79970
20972         * ipa-prop.c (ipa_modify_formal_parameters): Avoid changing
20973         alignment of BLKmode params.
20974
20975 2017-03-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
20976
20977         PR target/79913
20978         * config/aarch64/iterators.md (VALL_F16_NO_V2Q): New mode iterator.
20979         (VALL_NO_V2Q): Likewise.
20980         (VDQF_DF): Delete.
20981         * config/aarch64/aarch64-simd.md
20982         (aarch64_dup_lane_<vswap_width_name><mode>): Use VALL_F16_NO_V2Q
20983         iterator.
20984         (*aarch64_simd_vec_copy_lane_<vswap_width_name><mode>): Use
20985         VALL_NO_V2Q mode iterator.
20986         (*aarch64_vgetfmulx<mode>): Use VDQF iterator.
20987
20988 2017-03-09  Martin Liska  <mliska@suse.cz>
20989
20990         PR tree-optimization/79631
20991         * tree-chkp-opt.c (chkp_is_constant_addr): Call
20992         tree_int_cst_sign_bit just for INTEGER constants.
20993
20994 2017-03-09  Martin Liska  <mliska@suse.cz>
20995
20996         PR target/65705
20997         PR target/69804
20998         * toplev.c (process_options): Disable -fcheck-pointer-bounds with
20999         sanitizers.
21000
21001 2017-03-09  Marek Polacek  <polacek@redhat.com>
21002
21003         PR c++/79672
21004         * tree.c (inchash::add_expr): Handle TREE_VEC.
21005
21006 2017-03-09  Martin Liska  <mliska@suse.cz>
21007
21008         PR ipa/79764
21009         (chkp_narrow_size_and_offset): New function.
21010         (chkp_parse_array_and_component_ref): Support BIT_FIELD_REF.
21011         (void chkp_parse_bit_field_ref): New function.
21012         (chkp_make_addressed_object_bounds): Add case for BIT_FIELD_REF.
21013         (chkp_process_stmt): Use chkp_parse_bit_field_ref.
21014
21015 2017-03-09  Martin Liska  <mliska@suse.cz>
21016
21017         PR ipa/79761
21018         * tree-chkp.c (chkp_get_bound_for_parm): Get bounds for a param.
21019         (chkp_find_bounds_1): Remove gcc_unreachable.
21020
21021 2017-03-09  Jakub Jelinek  <jakub@redhat.com>
21022
21023         PR sanitizer/79944
21024         * asan.c (get_mem_refs_of_builtin_call): For BUILT_IN_ATOMIC* and
21025         BUILT_IN_SYNC*, determine the access type from the size suffix and
21026         always build a MEM_REF with that type.  Handle forgotten
21027         BUILT_IN_SYNC_FETCH_AND_NAND_16 and BUILT_IN_SYNC_NAND_AND_FETCH_16.
21028
21029         PR target/79932
21030         * config/i386/avx512vlintrin.h (_mm256_cmpge_epi32_mask,
21031         _mm256_cmpge_epi64_mask, _mm256_cmpge_epu32_mask,
21032         _mm256_cmpge_epu64_mask, _mm256_cmple_epi32_mask,
21033         _mm256_cmple_epi64_mask, _mm256_cmple_epu32_mask,
21034         _mm256_cmple_epu64_mask, _mm256_cmplt_epi32_mask,
21035         _mm256_cmplt_epi64_mask, _mm256_cmplt_epu32_mask,
21036         _mm256_cmplt_epu64_mask, _mm256_cmpneq_epi32_mask,
21037         _mm256_cmpneq_epi64_mask, _mm256_cmpneq_epu32_mask,
21038         _mm256_cmpneq_epu64_mask, _mm256_mask_cmpge_epi32_mask,
21039         _mm256_mask_cmpge_epi64_mask, _mm256_mask_cmpge_epu32_mask,
21040         _mm256_mask_cmpge_epu64_mask, _mm256_mask_cmple_epi32_mask,
21041         _mm256_mask_cmple_epi64_mask, _mm256_mask_cmple_epu32_mask,
21042         _mm256_mask_cmple_epu64_mask, _mm256_mask_cmplt_epi32_mask,
21043         _mm256_mask_cmplt_epi64_mask, _mm256_mask_cmplt_epu32_mask,
21044         _mm256_mask_cmplt_epu64_mask, _mm256_mask_cmpneq_epi32_mask,
21045         _mm256_mask_cmpneq_epi64_mask, _mm256_mask_cmpneq_epu32_mask,
21046         _mm256_mask_cmpneq_epu64_mask, _mm_cmpge_epi32_mask,
21047         _mm_cmpge_epi64_mask, _mm_cmpge_epu32_mask, _mm_cmpge_epu64_mask,
21048         _mm_cmple_epi32_mask, _mm_cmple_epi64_mask, _mm_cmple_epu32_mask,
21049         _mm_cmple_epu64_mask, _mm_cmplt_epi32_mask, _mm_cmplt_epi64_mask,
21050         _mm_cmplt_epu32_mask, _mm_cmplt_epu64_mask, _mm_cmpneq_epi32_mask,
21051         _mm_cmpneq_epi64_mask, _mm_cmpneq_epu32_mask, _mm_cmpneq_epu64_mask,
21052         _mm_mask_cmpge_epi32_mask, _mm_mask_cmpge_epi64_mask,
21053         _mm_mask_cmpge_epu32_mask, _mm_mask_cmpge_epu64_mask,
21054         _mm_mask_cmple_epi32_mask, _mm_mask_cmple_epi64_mask,
21055         _mm_mask_cmple_epu32_mask, _mm_mask_cmple_epu64_mask,
21056         _mm_mask_cmplt_epi32_mask, _mm_mask_cmplt_epi64_mask,
21057         _mm_mask_cmplt_epu32_mask, _mm_mask_cmplt_epu64_mask,
21058         _mm_mask_cmpneq_epi32_mask, _mm_mask_cmpneq_epi64_mask,
21059         _mm_mask_cmpneq_epu32_mask, _mm_mask_cmpneq_epu64_mask): Move
21060         definitions outside of __OPTIMIZE__ guarded section.
21061
21062         PR target/79932
21063         * config/i386/avx512bwintrin.h (_mm512_packs_epi32,
21064         _mm512_maskz_packs_epi32, _mm512_mask_packs_epi32,
21065         _mm512_packus_epi32, _mm512_maskz_packus_epi32,
21066         _mm512_mask_packus_epi32): Move definitions outside of __OPTIMIZE__
21067         guarded section.
21068
21069 2017-03-09  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
21070
21071         * config/s390/vx-builtins.md ("vfee<mode>", "vfeez<mode>")
21072         ("vfenez<mode>"): Add missing constraints.
21073
21074 2017-03-08  Martin Sebor  <msebor@redhat.com>
21075
21076         PR target/79928
21077         * config/nds32/nds32.c (nds32_option_override):
21078         Fix misspelled diagnostic.
21079
21080 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21081
21082         PR c/79940
21083         * gimplify.c (gimplify_omp_for): Replace index var in outer
21084         taskloop statement with an artificial variable and add
21085         OMP_CLAUSE_PRIVATE clause for it.
21086
21087 2017-03-08  Richard Biener  <rguenther@suse.de>
21088
21089         PR tree-optimization/79955
21090         * tree-ssa-uninit.c (warn_uninitialized_vars): Do not warn
21091         for accesses that are completely outside of the variable.
21092
21093 2017-03-08  Andrew Haley  <aph@redhat.com>
21094
21095         PR tree-optimization/79943
21096         * tree-ssa-loop-split.c (compute_new_first_bound): When
21097         calculating the new upper bound, (END-BEG) should be added, not
21098         subtracted.
21099
21100 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21101
21102         * config/avr/avr.md (setmemhi): Make sure match_dup
21103         operand number comes before match_scratch.
21104
21105 2017-03-08  Richard Biener  <rguenther@suse.de>
21106
21107         PR tree-optimization/79920
21108         * tree-vect-slp.c (vect_create_mask_and_perm): Remove and inline
21109         with ncopies == 1 to ...
21110         (vect_transform_slp_perm_load): ... here.  Properly compute
21111         all element loads by iterating VF times over the group.  Do
21112         not handle ncopies (computed in a broken way) in
21113         vect_create_mask_and_perm.
21114
21115 2017-03-08  Jakub Jelinek  <jakub@redhat.com>
21116
21117         PR sanitizer/79904
21118         * internal-fn.c (expand_vector_ubsan_overflow): If arg0 or arg1
21119         is a uniform vector, use uniform_vector_p return value instead of
21120         building ARRAY_REF on folded VIEW_CONVERT_EXPR to array type.
21121
21122 2017-03-07  Marek Polacek  <polacek@redhat.com>
21123
21124         PR middle-end/79809
21125         * gimple-ssa-warn-alloca.c (pass_walloca::gate): Use HOST_WIDE_INT.
21126         (alloca_call_type): Likewise.
21127
21128 2017-03-07  Martin Liska  <mliska@suse.cz>
21129
21130         * gcov.c (process_args): Put comment to correct location.
21131
21132 2017-03-07  Martin Liska  <mliska@suse.cz>
21133
21134         PR middle-end/68270
21135         * tree-chkp.c (chkp_may_narrow_to_field): Add new argument ref.
21136         Use array_at_struct_end_p instead of DECL_CHAIN (field).
21137         (chkp_narrow_bounds_for_field): Likewise.
21138         (chkp_parse_array_and_component_ref): Pass one more argument to
21139         call.
21140
21141 2017-03-07  Richard Biener  <rguenther@suse.de>
21142
21143         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Preserve
21144         preheaders.
21145
21146 2017-03-07  Segher Boessenkool  <segher@kernel.crashing.org>
21147
21148         * config/i386/i386.c (ix86_local_alignment): Align most aggregates
21149         of 16 bytes and more to 16 bytes, not those of 16 bits and more.
21150
21151 2017-03-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21152
21153         PR c/79855
21154         * params.def (PARAM_STORE_MERGING_ALLOW_UNALIGNED): Add full stop
21155         to end of description.
21156         (PARAM_MAX_STORES_TO_MERGE): Likewise.
21157
21158 2017-03-07  Jakub Jelinek  <jakub@redhat.com>
21159
21160         PR rtl-optimization/79901
21161         * config/i386/sse.md (*avx512bw_<code><mode>3<mask_name>): Renamed to
21162         ...
21163         (*avx512f_<code><mode>3<mask_name>): ... this.
21164         (<code><mode>3 with maxmin code iterator): Use VI8_AVX2_AVX512F
21165         iterator instead of VI8_AVX2_AVX512BW.
21166
21167         PR rtl-optimization/79901
21168         * expr.c (expand_expr_real_2): For vector MIN/MAX, if there is no
21169         min/max expander, expand it using expand_vec_cond_expr.
21170
21171         PR sanitizer/79897
21172         * ubsan.c (ubsan_encode_value): Call mark_addressable on the
21173         temporary.
21174
21175 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
21176
21177         PR c++/79821
21178         * dwarf2out.h (dw_vec_const): Change array type from unsigned char *
21179         to void * for PCH reasons.
21180         * dwarf2out.c (output_loc_operands, output_die): Cast
21181         v.val_vec.array to unsigned char *.
21182
21183 2017-03-06  John David Anglin  <danglin@gcc.gnu.org>
21184
21185         PR target/77850
21186         * config/pa/pa-64.h (PAD_VARARGS_DOWN): Don't pad down complex and
21187         vector types.
21188
21189 2017-03-06  Vladimir Makarov  <vmakarov@redhat.com>
21190
21191         PR rtl-optimization/79571
21192         * lra-constraints.c (process_alt_operands): Calculate static
21193         reject and subtract it from overall when only addresses will be
21194         reloaded.
21195
21196 2017-03-06  Julia Koval  <julia.koval@intel.com>
21197
21198         PR target/79793
21199         * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): Set
21200         incoming stack boundary to 128 for 64-bit targets.
21201
21202 2017-03-06  Richard Biener  <rguenther@suse.de>
21203
21204         PR tree-optimization/79894
21205         * tree-vectorizer.c (vectorize_loops): Set loop_vectorized_call
21206         to NULL after folding it.
21207
21208 2017-03-06  Richard Biener  <rguenther@suse.de>
21209
21210         PR tree-optimization/79824
21211         * tree-vect-stmts.c (get_group_load_store_type): Fix alignment
21212         check disabling peeling for gaps.
21213
21214 2017-03-06  Toma Tabacu  <toma.tabacu@imgtec.com>
21215
21216         * doc/sourcebuild.texi (Effective-Target Keywords, Environment
21217         attributes): Document gettimeofday.
21218
21219 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
21220
21221         * config/s390/s390.c (s390_option_override_internal): Set
21222         PARAM_MIN_VECT_LOOP_BOUND
21223
21224 2017-03-06  Robin Dapp  <rdapp@linux.vnet.ibm.com>
21225
21226         * config/s390/s390.c (s390_asm_output_function_label): Use nopr %r0.
21227         * config/s390/s390.md: Likewise.
21228
21229 2017-03-06  Jakub Jelinek  <jakub@redhat.com>
21230
21231         PR target/79812
21232         * config/i386/sse.md (VI8F_256_512): Remove mode iterator.
21233         (<avx2_avx512>_perm<mode>): Rename to ...
21234         (avx2_perm<mode>): ... this.  Use VI8F_256 iterator instead
21235         of VI8F_256_512.
21236         (<avx512>_perm<mode>_mask): Rename to ...
21237         (avx512vl_perm<mode>_mask): ... this.  Use VI8F_256 iterator instead
21238         of VI8F_256_512.
21239         (<avx2_avx512>_perm<mode>_1<mask_name>): Rename to ...
21240         (avx2_perm<mode>_1<mask_name): ... this.  Use VI8F_256 iterator
21241         instead of VI8F_256_512.
21242         (avx512f_perm<mode>): New define_expand.
21243         (avx512f_perm<mode>_mask): Likewise.
21244         (avx512f_perm<mode>_1<mask_name>): New define_insn.
21245         (<avx512>_vec_dup<mode>_1): Fix up vec_select mode.
21246
21247 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21248
21249         * config/mips/mips-msa.md (msa_fmax_a_<msafmt>, msa_fmin_a_<msafmt>,
21250         msa_max_a_<msafmt>, msa_min_a_<msafmt>): Introduce mode interator for
21251         if_then_else.
21252         (smin<mode>3, smax<mode>3): Change operand print code from 'B' to 'E'.
21253
21254 2017-03-06  Martin Liska  <mliska@suse.cz>
21255
21256         PR sanitize/79783
21257         * asan.c (asan_expand_poison_ifn): Do not expand ASAN_POISON
21258         when having a SSA NAME w/o VAR_DECL assigned to it.
21259
21260 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21261
21262         * config/mips/mips-msa.md (msa_dotp_<su>_d, msa_dpadd_<su>_d,
21263         msa_dpsub_<su>_d): Fix MODE for vec_select.
21264
21265 2017-03-06  Prachi Godbole  <prachi.godbole@imgtec.com>
21266
21267         * config/mips/mips.c (mips_gen_const_int_vector): Change type of last
21268         argument.
21269         * config/mips/mips-protos.h (mips_gen_const_int_vector): Likewise.
21270
21271 2017-03-06  Richard Biener  <rguenther@suse.de>
21272
21273         * lto-streamer.c (lto_check_version): Use %qs in diagnostics.
21274         * plugin.c (register_plugin_info): Likewise.
21275         * tree-chkp.c (chkp_make_static_const_bounds): Likewise.
21276
21277 2017-03-05  Jakub Jelinek  <jakub@redhat.com>
21278
21279         * config/i386/sse.md (sse_storehps, sse_storelps,
21280         avx_<castmode><avxsizesuffix>_<castmode>,
21281         avx512f_<castmode><avxsizesuffix>_<castmode>,
21282         avx512f_<castmode><avxsizesuffix>_256<castmode>): Require
21283         in condition that at least one operand is not a MEM.
21284
21285 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21286
21287         PR middle-end/79805
21288         * internal-fn.def (ATOMIC_BIT_TEST_AND_SET, ATOMIC_BIT_TEST_AND_RESET,
21289         ATOMIC_BIT_TEST_AND_COMPLEMENT, ATOMIC_COMPARE_EXCHANGE): Remove
21290         ECF_NOTHROW.
21291         * gimple-fold.c (fold_builtin_atomic_compare_exchange): Set
21292         gimple_call_nothrow_p flag based on whether original builtin can throw.
21293         If it can, emit following stmts on the fallthrough edge.
21294         * tree-ssa-ccp.c (optimize_atomic_bit_test_and): Similarly, except
21295         don't create new bb if inserting just debug stmts on the edge, try to
21296         insert them on the fallthru bb or just reset debug stmts.
21297
21298 2017-03-03  Segher Boesssenkool  <segher@kernel.crashing.org>
21299
21300         PR target/43763
21301         * config/rs6000/rs6000.c (rs6000_final_prescan_insn): Save and
21302         restore recog_data (including the operand rtxes inside it) around
21303         the call to get_insn_template.
21304
21305 2017-03-03  Martin Sebor  <msebor@redhat.com>
21306
21307         PR tree-optimization/79699
21308         * context.c (context::~context): Free MPFR caches to avoid
21309         a memory leak on program exit.
21310
21311 2017-03-03  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
21312
21313         * config/aarch64/aarch64.c (aarch64_float_const_representable_p):
21314         Use wide_int::ulow () instead of .elt (0).
21315
21316 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21317
21318         * config/i386/i386.md (*pushtf): Change *roF constraint to *roC.
21319         (*pushxf): Limit oF constraint to 32bit targets and add oC
21320         constraint for 64bit targets.
21321         (pushxf splitter): Use PUSH_ROUNDING to calculate stack adjustment.
21322         (*pushdf): Change rmF constraint to rmC.
21323
21324 2017-03-03  Martin Liska  <mliska@suse.cz>
21325
21326         * tree-ssa-loop-prefetch.c (pass_loop_prefetch::execute):
21327         Remove unused variable.
21328
21329 2017-03-03  Jakub Jelinek  <jakub@redhat.com>
21330
21331         PR target/79807
21332         * config/i386/i386.c (ix86_expand_multi_arg_builtin): If target
21333         is a memory operand, increase num_memory.
21334         (ix86_expand_args_builtin): Likewise.
21335
21336 2017-03-03  Jan Hubicka  <jh@suse.cz>
21337
21338         PR lto/79760
21339         * ipa-devirt.c (maybe_record_node): Properly handle
21340         __cxa_pure_virtual visibility.
21341
21342 2017-03-03  Martin Liska  <mliska@suse.cz>
21343
21344         PR tree-optimization/79803
21345         * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Remove
21346         assert.
21347         (pass_loop_prefetch::execute): Disabled optimization if an
21348         assumption about L1 cache size is not met.
21349
21350 2017-03-03  Martin Liska  <mliska@suse.cz>
21351
21352         PR rtl-optimization/79574
21353         * gcse.c (struct gcse_expr): Use HOST_WIDE_INT instead of int.
21354         (hash_scan_set): Likewise.
21355         (dump_hash_table): Likewise.
21356         (hoist_code): Likewise.
21357
21358 2017-03-03  Richard Biener  <rguenther@suse.de>
21359
21360         * fixed-value.c (fixed_from_string): Restore use of elt (1)
21361         in place of uhigh ().
21362         (fixed_convert_from_real): Likewise.
21363
21364 2017-03-03  Uros Bizjak  <ubizjak@gmail.com>
21365
21366         PR target/79514
21367         * config/i386/i386.md (*pushxf_rounded): Use Pmode instead of DImode.
21368
21369 2017-03-03  Richard Biener  <rguenther@suse.de>
21370
21371         PR middle-end/79818
21372         * match.pd ( X +- C1 CMP C2 -> X CMP C2 -+ C1): Add missing
21373         TYPE_OVERFLOW_UNDEFINED check.
21374
21375 2017-03-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21376
21377         * config/rs6000/vector.md (vector_ne_<mode>_p): Correct operand
21378         numbers.
21379         (vector_ae_<mode>_p): Likewise.
21380         (vector_nez_<mode>_p): Likewise.
21381         (vector_ne_v2di_p): Likewise.
21382         (vector_ae_v2di_p): Likewise.
21383         (vector_ne_<mode>_p): Likewise.
21384         * config/rs6000/vsx.md (vsx_tsqrt<mode>2_fg): Correct operand
21385         numbers.
21386         (vsx_tsqrt<mode>2_fe): Likewise.
21387
21388 2017-03-02  Uros Bizjak  <ubizjak@gmail.com>
21389
21390         PR target/79514
21391         * config/i386/i386.md (*pushxf_rounded): New insn_and_split pattern.
21392
21393 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21394
21395         PR rtl-optimization/79780
21396         * cprop.c (one_cprop_pass): When second and further conditional trap
21397         in a single basic block is turned into an unconditional trap, turn it
21398         into a deleted note to avoid RTL verification failures.
21399
21400 2017-03-02  Richard Biener  <rguenther@suse.de>
21401
21402         * fold-const.c (const_binop): Use ulow () instead of elt (0).
21403
21404 2017-03-02  Richard Biener  <rguenther@suse.de>
21405
21406         PR tree-optimization/79345
21407         PR c++/42000
21408         * tree-ssa-alias.c (walk_aliased_vdefs_1): Take a limit
21409         param and abort the walk, returning -1 if it is hit.
21410         (walk_aliased_vdefs): Take a limit param and pass it on.
21411         * tree-ssa-alias.h (walk_aliased_vdefs): Add a limit param,
21412         defaulting to 0 and return a signed int.
21413         * tree-ssa-uninit.c (struct check_defs_data): New struct.
21414         (check_defs): New helper.
21415         (warn_uninitialized_vars): Use walk_aliased_vdefs to warn
21416         about uninitialized memory.
21417         * fixed-value.c (fixed_from_string): Use ulow/uhigh to avoid
21418         bogus uninitialized warning.
21419         (fixed_convert_from_real): Likewise.
21420
21421 2017-03-02  Bin Cheng  <bin.cheng@arm.com>
21422
21423         PR tree-optimization/66768
21424         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Skip addr
21425         iv_use if base object can't be determined.
21426
21427 2017-03-02  Jakub Jelinek  <jakub@redhat.com>
21428
21429         PR tree-optimization/79345
21430         * gensupport.h (struct pattern_stats): Add min_scratch_opno field.
21431         * gensupport.c (get_pattern_stats_1) <case MATCH_SCRATCH>: Update it.
21432         (get_pattern_stats): Initialize it.
21433         * genemit.c (gen_expand): Verify match_scratch numbers come after
21434         match_operand/match_dup numbers.
21435         * config/i386/i386.md (<s>mul<mode>3_highpart): Swap match_dup and
21436         match_scratch numbers.
21437         * config/i386/sse.md (avx2_gathersi<mode>, avx2_gatherdi<mode>):
21438         Likewise.
21439         * config/s390/s390.md (trunctdsd2): Likewise.
21440
21441 2017-03-02  Richard Biener  <rguenther@suse.de>
21442
21443         * wide-int.h (wide_int_storage::operator=): Implement in terms
21444         of wi::copy.
21445
21446 2017-03-02  Richard Biener  <rguenther@suse.de>
21447
21448         PR tree-optimization/79777
21449         * tree-ssa-pre.c (eliminate_insert): Give up if we simplify
21450         the to insert expression to sth existing.
21451
21452 2017-03-01  Martin Sebor  <msebor@redhat.com>
21453
21454         PR middle-end/79692
21455         * gimple-ssa-sprintf.c
21456         (directive::known_width_and_precision): New function.
21457         (format_integer): Use it.
21458         (get_mpfr_format_length): Consider the full range of precision
21459         when computing %g output with the # flag.  Set the likely byte
21460         count to 3 rather than 1 when precision is indeterminate.
21461         (format_floating): Correct the lower bound of precision.
21462
21463 2017-03-01  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
21464
21465         * doc/invoke.texi: Document default code model for 64-bit Linux.
21466
21467 2017-03-01  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
21468
21469         PR target/79752
21470         * config/rs6000/rs6000.md (peephole2 for udiv/umod): Should emit
21471         udiv rather than div since input pattern is unsigned.
21472
21473 2017-03-01  Uros Bizjak  <ubizjak@gmail.com>
21474
21475         * config/i386/i386.c (print_reg): Warn for values of
21476         unsupported size in integer register.
21477
21478 2017-03-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
21479
21480         PR target/79439
21481         * config/rs6000/predicates.md (current_file_function_operand): Do
21482         not allow self calls to be local if the function is replaceable.
21483
21484 2017-03-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>
21485
21486         PR target/79395
21487         * config/rs6000/altivec.h (vec_ctz and others): Change the
21488         preprocessor macro that controls conditional compilation from
21489         _ARCH_PWR9 to __POWER9_VECTOR__.
21490         (vec_all_ne): Change parameterization of __altivec_scalar_pred
21491         macro expansion under preprocessor #ifdef __POWER9_VECTOR__
21492         control (instead of _ARCH_PWR9 control) so that template
21493         definition uses power9-specific function.
21494         (vec_any_eq): Likewise.
21495         (vec_all_ne): Change macro definition to use a power9-specific
21496         expansion under #ifdef __POWER9_VECTOR__ control (instead of
21497         _ARCH_PWR9 control).
21498         (vec_any_eq) Likewise.
21499         * config/rs6000/rs6000-builtin.def (CMPNEF): Remove BU_P9V_AV_2
21500         expansion for CMPNEF to remove support for xvcmpnesp instruction.
21501         (CMPNED): Remove BU_P9V_AV2 expansion for CMPNED to remove
21502         support for xvcmpnedp instruction.
21503         (VCMPNEB_P): Replace BU_P9V_AV_P macro expansion with BU_P9V_AV_2
21504         macro expansion so that Power9 implementation of vec_all_ne does
21505         not use the AltiVec predicate framework.
21506         (VCMPNEH_P): Likewise.
21507         (VCMPNEW_P): Likewise.
21508         (VCMPNED_P): Likewise.
21509         (VCMPNEFP_P): Likewise.
21510         (VCMPNEDP_P): Likewise.
21511         (VCMPAEB_P): Add BU_P9V_AV_2 macro expansion to change
21512         implementation of vec_any_eq to not use AltiVec predicate
21513         framework.
21514         (VCMPAEH_P): Likewise.
21515         (VCMPAEW_P): Likewise.
21516         (VCMPAED_P): Likewise.
21517         (VCMPAEFP_P): Likewise.
21518         (VCMPAEDP_P): Likewise.
21519         (VCMPNE_P): Replace BU_P9V_OVERLOAD_P macro expansion with
21520         BU_P9V_OVERLOAD_2 so that Power9 implementation of vec_all_ne does
21521         not use the AltiVec predicate framework.
21522         (VCMPAE_P): Add BU_P9V_OVERLOAD_2 macro to change implementation
21523         of vec_any_eq to not use AltiVec predicate framework.
21524         * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Add
21525         support for predefined __POWER9_VECTOR__ macro to indicate that
21526         Power9 instruction selection is enabled.
21527         (altivec_overloaded_builtins): Remove extraneous
21528         ALTIVEC_BUILTIN_VEC_CMPNE entry for overloaded
21529         function argument types RS6000_BTI_bool_V16QI and
21530         RS6000_BTI_bool_V16QI.  Remove erroneous ALTIVEC_BUILTIN_VEC_CMPNE
21531         entry for overloaded function argument types RS6000_BTI_bool_V4SI
21532         andRS6000_BTI_bool_V4SI, mapping to P9V_BUILTIN_CMPNEB.  Remove
21533         two entries mapping to P9V_BUITIN_CMPNED and one entry mapping to
21534         P9V_BUILTIN_CMPNEF to force use of instructions not specific to
21535         Power9 for implementations of vec_cmpne.  Change the signature for
21536         all definitions of the overloaded P9V_BUILTIN_VEC_CMPNE_P function
21537         (representing vec_all_ne) to remove the previously described first
21538         argument of type RS6000_BTI_INTSI, as this was an artifact of
21539         reliance on the AltiVec predicate framework, which is no longer
21540         used in the implementation of these functions.  Add
21541         P9V_BUILTIN_VEC_VCMPAE_P entries (representing the vec_anyeq
21542         function) to match all of the P9V_BUILTIN_VEC_VCMNE_P entries
21543         since, unlike the AltiVec predicate framework implementation, we
21544         do not share function descriptors between vec_alle and vec_anyeq.
21545         (altivec_resolve_overloaded_builtin): Add SFmode and DFmode to the
21546         set of modes that receive special treatment even when
21547         TARGET_P9_VECTOR is true.  The special treatment emits code that
21548         does not depend on Power9 instructions.
21549         * config/rs6000/vector.md (vector_ne_<mode>_p): Change this
21550         define_expand to not rely on AltiVec predicate framework.
21551         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21552         function.
21553         (vector_ne_v2di_p): Change this define_expand to not rely on
21554         AltiVec predicate framework.
21555         (vector_ae_v2di_p): New define_expand to represent vec_any_eq
21556         function.
21557         (vector_ne_<mode>_p): Change this define_expand to not rely on
21558         AltiVec predicate framework.
21559         (vector_ae_<mode>p): New define_expand to represent vec_any_eq
21560         function.
21561         * config/rs6000/vsx.md (*vsx_ne_<mode>_p): For modes VSX_EXTRACT_I
21562         (V16QI, V8HI, V4SI), correct a typo in the code emitted for this
21563         define_insn pattern.
21564         (*vsx_ne_<mode>_p): For modes VSX_F (V4SF and V2DF), remove this
21565         define_insn pattern because the xvcmpne<VSs>. instruction is not
21566         supported.
21567         (vcmpne<VSs>): Remove this define_insn because xvcmpne<VSs>
21568         instruction is not supported.
21569
21570 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21571
21572         * config/nvptx/nvptx.c: Include intl.h.
21573
21574 2017-03-01  Martin Jambor  <mjambor@suse.cz>
21575
21576         PR lto/78140
21577         * ipa-prop.h (ipa_bits): Removed field known.
21578         (ipa_jump_func): Removed field vr_known.  Changed fields bits and m_vr
21579         to pointers.  Adjusted their comments to warn about their sharing.
21580         (ipcp_transformation_summary): Change bits to a vector of pointers.
21581         (ipa_check_create_edge_args): Moved to ipa-prop.c, declare.
21582         (ipa_get_ipa_bits_for_value): Declare.
21583         * tree-vrp.h (value_range): Mark as GTY((for_user)).
21584         * ipa-prop.c (ipa_bit_ggc_hash_traits): New.
21585         (ipa_bits_hash_table): Likewise.
21586         (ipa_vr_ggc_hash_traits): Likewise.
21587         (ipa_vr_hash_table): Likewise.
21588         (ipa_print_node_jump_functions_for_edge): Adjust for bits and m_vr
21589         being pointers and vr_known being removed.
21590         (ipa_set_jf_unknown): Likewise.
21591         (ipa_get_ipa_bits_for_value): New function.
21592         (ipa_set_jfunc_bits): Likewise.
21593         (ipa_get_value_range): New overloaded functions.
21594         (ipa_set_jfunc_vr): Likewise.
21595         (ipa_compute_jump_functions_for_edge): Use the above functions to
21596         construct bits and vr parts of jump functions.
21597         (ipa_check_create_edge_args): Move here from ipa-prop.h, also allocate
21598         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21599         exist.
21600         (ipcp_grow_transformations_if_necessary): Also allocate
21601         ipa_bits_hash_table and ipa_vr_hash_table if they do not already
21602         exist.
21603         (ipa_node_params_t::duplicate): Do not copy bits, just pointers to
21604         them.  Fix too long lines.
21605         (ipa_write_jump_function): Adjust for bits and m_vr being pointers and
21606         vr_known being removed.
21607         (ipa_read_jump_function): Use new setter functions to construct bits
21608         and vr parts of jump functions or set them to NULL.
21609         (write_ipcp_transformation_info): Adjust for bits being pointers.
21610         (read_ipcp_transformation_info): Likewise.
21611         (ipcp_update_bits): Likewise.  Fix excessively long lines a trailing
21612         space.
21613         Include gt-ipa-prop.h.
21614         * ipa-cp.c (propagate_bits_across_jump_function): Adjust for bits
21615         being pointers.
21616         (ipcp_store_bits_results): Likewise.
21617         (propagate_vr_across_jump_function): Adjust for m_vr being a pointer.
21618         Do not write to existing jump functions but use a temporary instead.
21619
21620 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21621
21622         PR c++/79681
21623         * fold-const.c (make_bit_field_ref): If orig_inner is COMPONENT_REF,
21624         attempt to use its first operand as BIT_FIELD_REF base.
21625
21626 2017-03-01  Richard Biener  <rguenther@suse.de>
21627
21628         PR middle-end/79721
21629         * tree-chrec.c (chrec_evaluate): Perform computation of Newtons
21630         interpolating formula in wrapping arithmetic.
21631         (chrec_apply): Convert chrec_evaluate return value to wanted type.
21632
21633 2017-03-01  Jakub Jelinek  <jakub@redhat.com>
21634
21635         PR tree-optimization/79734
21636         * tree-vect-generic.c (expand_vector_condition): Optimize
21637         AVX512 vector boolean VEC_COND_EXPRs into bitwise operations.
21638         Handle VEC_COND_EXPR where comparison has different inner width from
21639         type's inner width.
21640
21641 2017-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21642
21643         * doc/invoke.texi (ARC Options): Copy-edit to fix punctuation,
21644         markup, and similar issues.  Remove @opindex entries for things
21645         that aren't options.  Add missing -mmpy-option entries.
21646
21647 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21648
21649         PR tree-optimization/79737
21650         * gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
21651         a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
21652         tmpbuf[byte_size - 1].  Call natice_encode_expr with byte_size - 1
21653         instead of byte_size.  Formatting fix.
21654         (shift_bytes_in_array_right): Formatting fix.
21655
21656 2017-02-28  Eric Botcazou  <ebotcazou@adacore.com>
21657
21658         PR target/79749
21659         * config/sparc/sparc.c (sparc_frame_pointer_required): Add missing
21660         condition on optimize for the leaf function test.
21661
21662 2017-02-28  Martin Liska  <mliska@suse.cz>
21663
21664         PR lto/79625
21665         * read-rtl-function.c (function_reader::handle_unknown_directive):
21666         Bail out when one uses -flto.
21667
21668 2017-02-28  Martin Liska  <mliska@suse.cz>
21669
21670         * common.opt: Replace space with tabular for options of <number>
21671         type.
21672         * config/i386/i386.opt: Show <number> value for
21673         -mlarge-data-threshold.
21674         * opts.c (print_filtered_help): Do not display number in hexadecimal
21675         format.
21676
21677 2017-02-28  Martin Liska  <mliska@suse.cz>
21678
21679         * common.opt: Fix --help=option -Q for options which are of
21680         an enum type.
21681
21682 2017-02-28  Uros Bizjak  <ubizjak@gmail.com>
21683
21684         * config/i386/i386.c (print_reg): Error out for values
21685         of 8-bit size in invalid integer register.
21686
21687 2017-02-28  Martin Sebor  <msebor@redhat.com>
21688
21689         PR tree-optimization/79691
21690         * passes.def (pass_all_optimizations_g): Enable pass_sprintf_length.
21691
21692 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21693
21694         PR target/79729
21695         * config/i386/i386.c (ix86_print_operand) <case 'R'>: Replace
21696         gcc_unreachable with output_operand_lossage.
21697
21698 2017-02-28  Richard Biener  <rguenther@suse.de>
21699
21700         PR tree-optimization/79740
21701         * tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
21702         inserts.
21703         (visit_nary_op): Insert the nary into the hashtable if we
21704         pattern-matched sth.
21705         * tree-ssa-pre.c (eliminate_insert): Robustify.
21706
21707 2017-02-28  Richard Biener  <rguenther@suse.de>
21708
21709         PR middle-end/79731
21710         * fold-const.c (decode_field_reference): Reject out-of-bound
21711         accesses.
21712
21713 2017-02-28  Jakub Jelinek  <jakub@redhat.com>
21714
21715         * config/i386/i386.c: Include intl.h.
21716         (ix86_option_override_internal): Use cond ? G_("...") : G_("...")
21717         instead of just cond ? "..." : "...".
21718         * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Likewise.
21719         * coverage.c (read_counts_file): Likewise.
21720         * omp-offload.c: Include intl.h.
21721         (oacc_loop_fixed_partitions): Use cond ? G_("...") : G_("...") instead
21722         of just cond ? "..." : "...".
21723         * gcov.c (read_count_file): Use cond ? N_("...") : N_("...") instead
21724         of just cond ? "..." : "...".
21725
21726 2017-02-28  Richard Earnshaw  <rearnsha@arm.com>
21727
21728         PR target/79742
21729         * config/arm/parsecpu.awk (gen_data): Set tuning target to 'tune for'
21730         entry, if present.
21731         * config/arm/arm-cpus.in (cortex-m0plus.small-multiply): Correct
21732         'tune for' CPU name.
21733         * config/arm/arm-cpu-data.h: Regenerated.
21734
21735 2017-02-28  Richard Biener  <rguenther@suse.de>
21736
21737         PR tree-optimization/79732
21738         * tree-inline.c (expand_call_inline): Do not shadow var.
21739
21740 2017-02-28  Richard Biener  <rguenther@suse.de>
21741
21742         PR tree-optimization/79723
21743         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
21744         address-space properly.
21745
21746 2017-02-28  Thomas Schwinge  <thomas@codesourcery.com>
21747
21748         * doc/optinfo.texi (Optimization groups): Fix option used for
21749         OPTGROUP_ALL.
21750         * doc/invoke.texi (-fopt-info): Document "omp".
21751         * dumpfile.h: Sort OPTGROUP_OMP before OPTGROUP_VEC.
21752         (OPTGROUP_ALL): Add OPTGROUP_OMP.
21753         * hsa-gen.c (pass_data_gen_hsail): Use OPTGROUP_OMP.
21754         * ipa-hsa.c (pass_data_ipa_hsa): Likewise.
21755         * omp-simd-clone.c (pass_data_omp_simd_clone): Likewise.
21756
21757         * dumpfile.h (OPTGROUP_OPENMP): Rename to OPTGROUP_OMP.  Adjust
21758         all users.
21759         * dumpfile.c (optgroup_options): Instead of "openmp", associate
21760         OPTGROUP_OMP with "omp".
21761
21762 2017-02-27  Pat Haugen  <pthaugen@us.ibm.com>
21763
21764         PR target/79544
21765         * config/rs6000/rs6000-c.c (struct altivec_builtin_types): Use VSRAD
21766         for arithmetic shift of unsigned V2DI.
21767
21768 2017-02-27  Claudiu Zissulescu  <claziss@synopsys.com>
21769
21770         * config.gcc (arc*-): Clean up, use arc/big.h, arc/elf.h, and
21771         arc/linux.h headers.
21772         * config/arc/arc.h (TARGET_OS_CPP_BUILTINS): Remove.
21773         (LINK_SPEC): Likewise.
21774         (ARC_TLS_EXTRA_START_SPEC): Likewise.
21775         (EXTRA_SPECS): Likewise.
21776         (STARTFILE_SPEC): Likewise.
21777         (ENDFILE_SPEC): Likewise.
21778         (LIB_SPEC): Likewise.
21779         (TARGET_SDATA_DEFAULT): Likewise.
21780         (TARGET_MMEDIUM_CALLS_DEFAULT): Likewise.
21781         (MULTILIB_DEFAULTS): Likewise.
21782         (DWARF2_UNWIND_INFO): Likewise.
21783         * config/arc/big.h: New file.
21784         * config/arc/elf.h: Likewise.
21785         * config/arc/linux.h: Likewise.
21786         * config/arc/t-uClibc: Remove.
21787
21788 2017-02-27  Bin Cheng  <bin.cheng@arm.com>
21789
21790         PR tree-optimization/77536
21791         * tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
21792         (tree_transform_and_unroll_loop): Use above function to compute the
21793         estimated niter of unrolled loop and use it when scaling profile.
21794         Also use count info rather than frequency if it's non-zero.
21795         * tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
21796         * tree-vect-loop.c (scale_profile_for_vect_loop): New function.
21797         (vect_transform_loop): Call above function.
21798
21799 2017-02-27  Richard Biener  <rguenther@suse.de>
21800
21801         PR tree-optimization/45397
21802         * tree-ssa-pre.c (eliminate_insert): Handle BIT_AND_EXPR.
21803         * tree-ssa-sccvn.c (valueized_wider_op): New helper.
21804         (visit_nary_op): Add pattern matching for CSEing sign-changed
21805         or truncated operations with wider ones.
21806
21807 2017-02-27  Richard Biener  <rguenther@suse.de>
21808
21809         PR tree-optimization/79690
21810         * tree-vect-stmts.c (vectorizable_store): Use vector type
21811         built from the DR with address-space.
21812
21813 2017-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
21814
21815         * doc/invoke.texi (Optimize Options): Refine the description
21816         of asan-use-after-return.
21817
21818 2017-02-25  Alan Modra  <amodra@gmail.com>
21819
21820         PR rtl-optimization/79584
21821         * lra-constraints.c (base_to_reg): Reload ad->base, the entire
21822         base, not ad->base_term, the reg within base.  Remove assertion
21823         that ad->base == ad->base_term.  Replace gen_int_mode using
21824         bogus mode with const0_rtx.
21825
21826 2017-02-25  Jakub Jelinek  <jakub@redhat.com>
21827
21828         PR middle-end/79396
21829         * tree-eh.c (operation_could_trap_p, stmt_could_throw_1_p): Handle
21830         FMA_EXPR like tcc_binary or tcc_unary.
21831
21832         * tree-ssa-loop-niter.c (number_of_iterations_exit): Simplify warning.
21833
21834         PR debug/77589
21835         * dwarf2out.c (struct dw_loc_list_struct): Add noted_variable_value
21836         bitfield.
21837         (size_of_loc_descr): Handle DW_OP_GNU_variable_value.
21838         (output_loc_operands): Handle DW_OP_call_ref and
21839         DW_OP_GNU_variable_value.
21840         (struct variable_value_struct): New type.
21841         (struct variable_value_hasher): Likewise.
21842         (variable_value_hash): New variable.
21843         (string_types): Remove.
21844         (copy_loc_descr): New function.
21845         (add_loc_descr_to_each): Clarify comment.  Use copy_loc_descr.
21846         (prepend_loc_descr_to_each): New function.
21847         (add_loc_list): Fix comment typo.  Use prepend_loc_descr_to_each
21848         instead of add_loc_descr_to_each if the first argument is single
21849         location list and the second has multiple.
21850         (resolve_args_picking_1): Handle DW_OP_GNU_variable_value.
21851         (loc_list_from_tree_1): For early_dwarf, emit DW_OP_GNU_variable_value
21852         when looking for variable value which doesn't have other location info.
21853         (loc_list_from_tree): Formatting fix.
21854         (gen_array_type_die): Simplify DW_AT_string_length handling.
21855         (adjust_string_types): Remove.
21856         (gen_subprogram_die): Don't call adjust_string_types nor test/set
21857         string_types.  Call resolve_variable_values.
21858         (prune_unused_types_walk_loc_descr): Handle DW_OP_GNU_variable_value.
21859         (resolve_addr_in_expr): Likewise.  Add A argument.
21860         (copy_deref_exprloc): Remove deref argument.  Adjust for the
21861         original expression being DW_OP_GNU_variable_value with optionally
21862         DW_OP_stack_value after it instead of DW_OP_call4 with DW_OP_deref
21863         optionally after it.
21864         (optimize_string_length): Rework for DW_OP_GNU_variable_value.
21865         (resolve_addr): Adjust optimize_string_length and resolve_addr_in_expr
21866         callers.  Set remove_AT_byte_size if removing DW_AT_string_length.
21867         (variable_value_hasher::hash, variable_value_hasher::equal): New
21868         methods.
21869         (resolve_variable_value_in_expr, resolve_variable_value,
21870         resolve_variable_values, note_variable_value_in_expr,
21871         note_variable_value): New functions.
21872         (dwarf2out_early_finish): Call note_variable_value on all toplevel
21873         DIEs.
21874
21875 2017-02-24  Jakub Jelinek  <jakub@redhat.com>
21876
21877         PR c/79677
21878         * opts.h (handle_generated_option): Add GENERATED_P argument.
21879         * opts-common.c (handle_option): Adjust function comment.
21880         (handle_generated_option): Add GENERATED_P argument, pass it to
21881         handle_option.
21882         (control_warning_option): Pass false to handle_generated_option
21883         GENERATED_P.
21884         * opts.c (maybe_default_option): Pass true to handle_generated_option
21885         GENERATED_P.
21886         * optc-gen.awk: Likewise.
21887
21888 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21889
21890         * config/sh/sh.md (tstsi_t): If operands[0] is a SUBREG instead of
21891         a REG, look at the REG it is a SUBREG of.
21892         (splitter for cmpeqsi_t): Ditto.
21893
21894 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21895
21896         * config/pa/pa.c (pa_combine_instructions): Do not share RTL.  Make
21897         the special USEs with the pattern of the insn, not the insn itself.
21898
21899 2017-02-24  Matthew Fortune  <matthew.fortune@imgtec.com>
21900
21901         PR target/79473
21902         * doc/invoke.texi: Document -mload-store-pairs.
21903
21904 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21905             Sandra Loosemore  <sandra@codesourcery.com>
21906
21907         * config/nios2/nios2.c (nios2_simple_const_p): Returns false if the
21908         argument isn't a CONST_INT.
21909         (nios2_alternate_compare_const): Assert op is a CONST_INT.
21910         (nios2_valid_compare_const_p): Assert op is a CONST_INT.
21911         (nios2_validate_compare): Bypass alternate compare logic if *op2
21912         is not a CONST_INT.
21913         (ldstwm_operation_p): Return false if first_base is not a REG or
21914         if first_offset is not a CONST_INT.
21915
21916 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21917
21918         * config/cris/cris.md: Use correct operand in a define_peephole2.
21919
21920 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21921
21922         * config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
21923
21924 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
21925
21926         * config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
21927         this_insn if it is an INSN or JUMP_INSN.
21928         (force_offsettable): Look at base, not at addr.
21929         * config/arc/predicates.md (brcc_nolimm_operator): Don't call INTVAL
21930         on things that aren't necessarily CONST_INTs.
21931
21932 2017-02-24  Uros Bizjak  <ubizjak@gmail.com>
21933
21934         * doc/invoke.texi (x86 Options, -mfpmath=sse): Mention that
21935         -mfpmath=sse is the default also for x86-32 targets with SSE2
21936         instruction set when @option{-ffast-math} is enabled
21937
21938 2017-02-24  Jeff Law  <law@redhat.com>
21939
21940         PR rtl-optimizatoin/79286
21941         * ira.c (update_equiv_regs): Drop may_trap_p exception to
21942         dominance test.
21943
21944 2017-02-24  Richard Biener  <rguenther@suse.de>
21945
21946         PR tree-optimization/79389
21947         * gimple-ssa-split-paths.c (is_feasible_trace): Properly skip
21948         debug insns.
21949
21950 2017-02-24  Aldy Hernandez  <aldyh@redhat.com>
21951
21952         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update
21953         function comment to reflect reality.
21954         (loop_exits_before_overflow): Fix typo in function description.
21955
21956 2017-02-24  Richard Biener  <rguenther@suse.de>
21957
21958         PR tree-optimization/79389
21959         * gimple-ssa-split-paths.c (is_feasible_trace): Verify more
21960         properly that a threading opportunity exists.  Detect conditional
21961         copy/constant propagation opportunities.
21962
21963 2017-02-23  Eric Botcazou  <ebotcazou@adacore.com>
21964
21965         * config/visium/visium.md (type): Add trap.
21966         (b): New mode attribute.
21967         (*btst): Rename into...
21968         (*btst<mode>): ...this and adjust.
21969         (*cbranchsi4_btst_insn): Rename into...
21970         (*cbranch<mode>4_btst_insn): ...this and adjust.
21971         (trap): New define_insn.
21972
21973 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
21974
21975         PR tree-optimization/79389
21976         * ifcvt.c (struct noce_if_info): Add rev_cond field.
21977         (noce_reversed_cond_code): New function.
21978         (noce_emit_store_flag): Use rev_cond if non-NULL instead of
21979         reversed_comparison_code.  Formatting fix.
21980         (noce_try_store_flag): Test rev_cond != NULL in addition to
21981         reversed_comparison_code.
21982         (noce_try_store_flag_constants): Likewise.
21983         (noce_try_store_flag_mask): Likewise.
21984         (noce_try_addcc): Use rev_cond if non-NULL instead of
21985         reversed_comparison_code.
21986         (noce_try_cmove_arith): Likewise.  Formatting fixes.
21987         (noce_try_minmax, noce_try_abs): Clear rev_cond.
21988         (noce_find_if_block): Initialize rev_cond.
21989         (find_cond_trap): Call noce_get_condition with then_bb == trap_bb
21990         instead of false as last argument never attempt to reverse it
21991         afterwards.
21992
21993 2017-02-23  Bin Cheng  <bin.cheng@arm.com>
21994
21995         PR tree-optimization/79663
21996         * tree-predcom.c (combine_chains): Process refs in reverse order
21997         only for ZERO length chains, and add explaining comment.
21998
21999 2017-02-23  Jeff Law  <law@redhat.com>
22000
22001         PR tree-optimization/79578
22002         * tree-ssa-dse.c (clear_bytes_written_by): Use OEP_ADDRESS_OF
22003         in call to operand_equal_p.
22004
22005 2017-01-23  Dominique d'Humieres  <dominiq@lps.ens.fr>
22006
22007         PR target/71017
22008         * config/i386/cpuid.h: Fix another undefined behavior.
22009
22010 2017-02-23  Richard Biener  <rguenther@suse.de>
22011
22012         PR tree-optimization/79683
22013         * tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
22014         vector types for data-refs.
22015
22016 2017-02-23  Martin Liska  <mliska@suse.cz>
22017
22018         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): Change default to 0.
22019
22020 2017-02-23  Jakub Jelinek  <jakub@redhat.com>
22021
22022         PR middle-end/79665
22023         * internal-fn.c (get_range_pos_neg): Moved to ...
22024         * tree.c (get_range_pos_neg): ... here.  No longer static.
22025         * tree.h (get_range_pos_neg): New prototype.
22026         * expr.c (expand_expr_real_2) <case TRUNC_DIV_EXPR>: If both arguments
22027         are known to be in between 0 and signed maximum inclusive, try to
22028         expand both unsigned and signed divmod and use the cheaper one from
22029         those.
22030
22031 2017-02-22  Jeff Law  <law@redhat.com>
22032
22033         PR tree-optimization/79578
22034         * tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
22035         to compare base operands.
22036
22037 2017-02-22  Segher Boessenkool  <segher@kernel.crashing.org>
22038
22039         PR target/79211
22040         * config/rs6000/rs6000.md (*fsel<SFDF:mode><SFDF2:mode>4): Use
22041         gpc_reg_operand instead of fpr_reg_operand.
22042
22043 2017-02-22  Sameera Deshpande  <sameera.deshpande@imgtec.com>
22044
22045         * config/mips/mips.c (mips_return_in_memory): Force FP
22046         vector types to be returned in memory for o32 ABI.
22047
22048 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22049
22050         * dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
22051         instead of DW_TAG_member for static data member declarations and don't
22052         set no_linkage_name for static inline data members.
22053         (gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
22054         to DW_TAG_member.
22055
22056 2017-02-22  Martin Liska  <mliska@suse.cz>
22057
22058         * doc/invoke.texi: Replace inequality signs with square brackets
22059         for -Wnormalized.
22060
22061 2017-02-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22062
22063         PR tree-optimization/68644
22064         * gcc.dg/tree-ssa/ivopts-lt-2.c: Skip for powerpc*-*-*.
22065
22066 2017-02-22  Matthew Fortune  <matthew.fortune@imgtec.com>
22067
22068         PR target/78660
22069         * lra-constraints.c (simplify_operand_subreg): Handle
22070         WORD_REGISTER_OPERATIONS targets.
22071
22072 2017-02-22  Jakub Jelinek  <jakub@redhat.com>
22073
22074         PR target/70465
22075         * reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
22076         and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
22077         elimination by swapping fld*.
22078
22079 2017-02-22  Richard Biener  <rguenther@suse.de>
22080
22081         PR tree-optimization/79673
22082         * tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
22083         convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
22084         irrelevant address-space qualifiers and avoiding a
22085         ADDR_SPACE_CONVERT_EXPR from fold_convert.
22086
22087 2017-02-22  Richard Biener  <rguenther@suse.de>
22088
22089         PR tree-optimization/79666
22090         * tree-vrp.c (extract_range_from_binary_expr_1): Make sure
22091         to not symbolically negate if that may introduce undefined
22092         overflow.
22093
22094 2017-02-22  Martin Liska  <mliska@suse.cz>
22095
22096         PR lto/79587
22097         * data-streamer-in.c (streamer_read_gcov_count): Remove assert.
22098         * data-streamer-out.c (streamer_write_gcov_count_stream):
22099         Likewise.
22100         * value-prof.c (stream_out_histogram_value): Make assert more
22101         precise based on type of counter.
22102
22103 2017-02-21  Uros Bizjak  <ubizjak@gmail.com>
22104
22105         PR target/79593
22106         * config/i386/i386.md (standard_x87sse_constant_load splitter):
22107         Use nonimmediate_operand instead of memory_operand for operand 1.
22108         (float-extend standard_x87sse_constant_load splitter): Ditto.
22109
22110 2017-02-21  Jeff Law  <law@redhat.com>
22111
22112         PR tree-optimization/79621
22113         * gimple-ssa-isolate-paths.c (find_implicit_erroneous_behavior): Ignore
22114         blocks with edges to themselves.
22115
22116 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22117
22118         PR target/79633
22119         * tree-chkp-opt.c (chkp_optimize_string_function_calls): Use
22120         is_gimple_call instead of comparing gimple_code with GIMPLE_CALL.
22121         Use gimple_call_builtin_p.
22122
22123         PR target/79570
22124         * sel-sched.c (moveup_expr_cached): Don't call sel_bb_head
22125         on temporarily removed DEBUG_INSNs.
22126
22127         PR tree-optimization/79649
22128         * tree-loop-distribution.c (classify_partition): Give up on
22129         non-generic address space loads/stores.
22130
22131 2017-02-21  Aldy Hernandez  <aldyh@redhat.com>
22132
22133         * doc/loop.texi (Loop manipulation): Remove nonexistent
22134         tree_ssa_loop_version from the documentation.
22135         * cfgloopmanip.c (loop_version): Document CONDITION_BB argument.
22136
22137 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22138
22139         PR target/79494
22140         * config/i386/i386.c (ix86_expand_split_stack_prologue): Call
22141         make_reg_eh_region_note_nothrow_nononlocal on call_insn.
22142         * config/rs6000/rs6000.c: Include except.h.
22143         (rs6000_expand_split_stack_prologue): Call
22144         make_reg_eh_region_note_nothrow_nononlocal on the call insn.
22145
22146 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22147
22148         PR lto/79579
22149         * ipa-prop.c (ipa_prop_write_jump_functions): Bail out if no edges
22150         have been analyzed.
22151
22152 2017-02-21  Martin Jambor  <mjambor@suse.cz>
22153
22154         * common.opt (-fipa-cp-alignment): Mark as ignored and preserved
22155         for backward compatibility only.
22156         * doc/invoke.texi (Option Summary): Remove all references to
22157         -fipa-cp-alignment.
22158
22159 2017-02-21  Matthew Fortune  <matthew.fortune@imgtec.com>
22160
22161         PR target/78660
22162         Revert:
22163         2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22164
22165         * lra-constraints.c (curr_insn_transform): Handle
22166         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22167
22168 2017-02-21  Martin Liska  <mliska@suse.cz>
22169
22170         * config/i386/i386.opt: Replace -masm-dialect with -masm.
22171
22172 2017-02-21  Thomas Schwinge  <thomas@codesourcery.com>
22173
22174         PR translation/79638
22175         * config/nvptx/nvptx.c (ENTRY_TEMPLATE): Single out "%ntid.y".
22176
22177 2017-02-21  Eric Botcazou  <ebotcazou@adacore.com>
22178
22179         PR ada/67205
22180         * config/arm/arm.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define.
22181         (arm_function_ok_for_sibcall): Return false for an indirect call by
22182         descriptor if all the argument registers are used.
22183         (arm_relayout_function): Use FUNCTION_ALIGNMENT macro to adjust the
22184         alignment of the function.
22185
22186 2017-02-21  Jakub Jelinek  <jakub@redhat.com>
22187
22188         PR tree-optimization/61441
22189         * simplify-rtx.c (simplify_const_unary_operation): For
22190         -fsignaling-nans and sNaN operand, return NULL_RTX rather than
22191         the sNaN unmodified.
22192
22193 2017-02-20  Bernd Edlinger  <bernd.edlinger@hotmail.de>
22194
22195         * Makefile.in (BUILD_SYSTEM_HEADER_DIR): New make variabe.
22196         (LIMITS_H_TEST, if_multiarch, stmp-fixinc): Use BUILD_SYSTEM_HEADER_DIR
22197         instead of SYSTEM_HEADER_DIR.
22198
22199 2017-02-20  Gerald Pfeifer  <gerald@pfeifer.com>
22200             Martin Liška  <mliska@suse.cz>
22201
22202         * doc/invoke.texi (use-after-scope-direct-emission-threshold):
22203         Fix typos and grammar, use active voice, and clarify.
22204
22205 2017-02-20  Marek Polacek  <polacek@redhat.com>
22206
22207         PR middle-end/79537
22208         * gimplify.c (gimplify_expr): Handle unused *&&L;.
22209
22210         PR sanitizer/79558
22211         * ubsan.c (ubsan_type_descriptor): Check if TYPE_MAX_VALUE is null.
22212
22213 2017-02-20  Jakub Jelinek  <jakub@redhat.com>
22214
22215         PR target/79568
22216         * config/i386/i386.c (ix86_expand_builtin): Handle
22217         OPTION_MASK_ISA_AVX512VL and OPTION_MASK_ISA_64BIT in
22218         ix86_builtins_isa[fcode].isa as a requirement of those
22219         flags and any other flag in the bitmask.
22220         (ix86_init_mmx_sse_builtins): Use 0 instead of
22221         ~OPTION_MASK_ISA_64BIT as mask.
22222         * config/i386/i386-builtin.def (__builtin_ia32_rdtsc,
22223         __builtin_ia32_rdtscp, __builtin_ia32_pause, __builtin_ia32_bsrsi,
22224         __builtin_ia32_rdpmc, __builtin_ia32_rolqi, __builtin_ia32_rolhi,
22225         __builtin_ia32_rorqi, __builtin_ia32_rorhi): Likewise.
22226
22227 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22228
22229         PR target/78012
22230         * lra-constraints.c (split_reg): Check requested split mode
22231         is supported by the register.
22232
22233 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22234
22235         * lra-constraints.c (simplify_operand_subreg): Remove early
22236         return false.
22237
22238 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22239
22240         PR target/78660
22241         * lra-constraints.c (curr_insn_transform): Tighten condition
22242         for converting SUBREG reloads from OP_OUT to OP_INOUT.
22243
22244 2017-02-20  Matthew Fortune  <matthew.fortune@imgtec.com>
22245
22246         PR target/78660
22247         * lra-constraints.c (curr_insn_transform): Handle
22248         WORD_REGISTER_OPERATIONS requirements when reloading SUBREGs.
22249
22250 2017-02-19  Uros Bizjak  <ubizjak@gmail.com>
22251
22252         Revert:
22253         2016-05-30  Uros Bizjak  <ubizjak@gmail.com>
22254
22255         * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
22256
22257 2017-02-19  Jonathan Wakely  <jwakely@redhat.com>
22258
22259         PR c++/69523
22260         * doc/invoke.texi (C++ Dialect Options) [-Wliteral-suffix]: Update
22261         description.
22262
22263 2017-02-19  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22264
22265         * gimple-pretty-print.c (dump_ternary_rhs): Adjust gimple dump format
22266         for FMA_EXPR.
22267
22268 2017-02-18  Jakub Jelinek  <jakub@redhat.com>
22269
22270         * final.c (last_columnnum, override_columnnum): New variables.
22271         (final_start_function): Set last_columnnum, pass it to begin_prologue
22272         hook and pass 0 to dwarf2out_begin_prologue.
22273         (final_scan_insn): Update override_columnnum.  Pass last_columnnum
22274         to source_line debug hook.
22275         (notice_source_line): Compute last_columnnum and for debug_column_info
22276         return true on column changes.
22277         * debug.h (struct gcc_debug_hooks): Add column argument to
22278         source_line and begin_prologue hooks.
22279         (debug_nothing_int_charstar_int_bool): Remove prototype.
22280         (debug_nothing_int_int_charstar,
22281         debug_nothing_int_int_charstar_int_bool): New prototypes.
22282         (dwarf2out_begin_prologue): Add column argument.
22283         * debug.c (do_nothing_debug_hooks): Adjust source_line and
22284         begin_prologue hooks.
22285         (debug_nothing_int_charstar_int_bool): Remove.
22286         (debug_nothing_int_int_charstar,
22287         debug_nothing_int_int_charstar_int_bool): New functions.
22288         * dwarf2out.c (dwarf2out_begin_prologue): Add column argument, pass it
22289         through to dwarf2out_source_line.
22290         (dwarf2_lineno_debug_hooks): Adjust begin_prologue hook.
22291         (dwarf2out_source_line): Add column argument, emit it if requested.
22292         * sdbout.c (sdbout_source_line, sdbout_begin_prologue): Add column
22293         arguments.
22294         * xcoffout.h (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22295         * xcoffout.c (xcoffout_begin_prologue, xcoffout_source_line): Likewise.
22296         * vmsdbgout.c (vmsdbgout_begin_prologue): Add column argument, pass it
22297         through to dwarf2out_begin_prologue.
22298         (vmsdbgout_source_line): Add column argument, pass it through to
22299         dwarf2out_source_line.
22300         * dbxout.c (dbxout_begin_prologue): Add column argument, adjust
22301         dbxout_source_line caller.
22302         (dbxout_source_line): Add column argument.
22303
22304         * common.opt (gno-column-info, gcolumn-info): New options.
22305         * dwarf2out.c (dwarf2_lineno_debug_hooks): Formatting fix.
22306         (check_die): Also test for multiple DW_AT_decl_column attributes.
22307         (add_src_coords_attributes, dwarf2out_imported_module_or_decl_1): Add
22308         DW_AT_decl_column if requested.
22309         (gen_subprogram_die): Compare and/or add also DW_AT_decl_column
22310         if requested.
22311         (gen_variable_die): Likewise.
22312         (add_call_src_coords_attributes): Add DW_AT_call_column if requested.
22313         * doc/invoke.texi (-gcolumn-info, -gno-column-info): Document.
22314
22315         PR target/79569
22316         * config/i386/i386.opt (m3dnowa): Replace Undocumented with Report.
22317         * common/config/i386/i386-common.c (OPTION_MASK_ISA_3DNOW_A_SET): Define.
22318         (ix86_handle_option): Handle OPT_m3dnowa.
22319         * doc/invoke.texi (-m3dnowa): Document.
22320         * doc/extend.texi (__builtin_ia32_pmulhuw, __builtin_ia32_pf2iw): Use
22321         -m3dnowa instead of -m3dnow -march=athlon.
22322
22323         PR target/79559
22324         * config/i386/i386.c (ix86_print_operand): Use output_operand_lossage
22325         instead of gcc_assert for K, r and R code checks.  Formatting fixes.
22326
22327 2017-02-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
22328
22329         PR target/79261
22330         * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Add
22331         support for CODE_FOR_vsx_xxpermdi_v2d[fi]_be.
22332         * config/rs6000/rs6000.md (reload_gpr_from_vsx<mode>): Call
22333         generator for vsx_xxpermdi_<mode>_be.
22334         * config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Remove logic to
22335         force big-endian semantics.
22336         (vsx_xxpermdi_<mode>_be): New define_expand with same
22337         implementation as previous version of vsx_xxpermdi_<mode>.
22338
22339 2017-02-17  Jakub Jelinek  <jakub@redhat.com>
22340
22341         PR tree-optimization/79327
22342         * gimple-ssa-sprintf.c (format_integer): Remove likely_adjust
22343         variable, its initialization and use.
22344
22345 2017-02-17  Julia Koval  <julia.koval@intel.com>
22346
22347         * common/config/i386/i386-common.c (OPTION_MASK_ISA_RDPID_SET): New.
22348         (OPTION_MASK_ISA_PKU_UNSET): New.
22349         (ix86_handle_option): Handle -mrdpid.
22350         * config/i386/cpuid.h (bit_RDPID): New.
22351         * config/i386/driver-i386.c (host_detect_local_cpu):
22352         Detect RDPID feature.
22353         * config/i386/i386-builtin.def (__builtin_ia32_rdpid): New.
22354         * config/i386/i386-c.c (ix86_target_macros_internal):
22355         Handle RDPID flag.
22356         * config/i386/i386.c (ix86_target_string): Add -mrdpid to isa2_opts.
22357         (ix86_valid_target_attribute_inner_p): Add "rdpid".
22358         (ix86_expand_builtin): Handle IX86_BUILTIN_RDPID.
22359         * config/i386/i386.h (TARGET_RDPID, TARGET_RDPID_P): New.
22360         * config/i386/i386.md (define_insn "rdpid"): New.
22361         * config/i386/i386.opt Add -mrdpid.
22362         * config/i386/immintrin.h (_rdpid_u32): New.
22363
22364 2017-02-17  Vladimir Makarov  <vmakarov@redhat.com>
22365
22366         PR rtl-optimization/79541
22367         * lra-constraints.c (curr_insn_transform): Remove wrong asm insn
22368         instead of transforming it into USE.
22369
22370 2017-02-17  Segher Boessenkool  <segher@kernel.crashing.org>
22371
22372         * config/rs6000/rs6000.md (extendsfdf2): Remove default arguments.
22373         If HONOR_SNANS (SFmode) force the input to a register.
22374         (*extendsfdf2_fpr): Add !HONOR_SNANS (SFmode) condition.
22375         (*extendsfdf2_snan): New pattern, used when using SNaNs; it generates
22376         an frsp or similar insn.
22377
22378 2017-02-17  Martin Liska  <mliska@suse.cz>
22379
22380         PR rtl-optimization/79577
22381         * params.def (selsched-max-sched-times): Increase minimum to 1.
22382
22383 2017-02-17  Martin Liska  <mliska@suse.cz>
22384
22385         PR rtl-optimization/79574
22386         * gcse.c (want_to_gcse_p): Prevent integer overflow.
22387
22388 2017-02-17  Martin Liska  <mliska@suse.cz>
22389
22390         PR tree-optimization/79529
22391         * tree-ssa-loop-unswitch.c (is_maybe_undefined): Use
22392         ssa_defined_default_def_p to handle cases which are implicitly
22393         defined.
22394         * tree-ssa.c (ssa_defined_default_def_p): New function.
22395         (ssa_undefined_value_p): Use ssa_defined_default_def_p to handle cases
22396         which are implicitly defined.
22397         * tree-ssa.h (ssa_defined_default_def_p): Declare.
22398
22399 2017-02-17  Richard Biener  <rguenther@suse.de>
22400
22401         PR middle-end/79576
22402         * params.def (max-ssa-name-query-depth): Limit to 10.
22403
22404 2017-02-17  Richard Biener  <rguenther@suse.de>
22405
22406         PR tree-optimization/79552
22407         * tree-ssa-structalias.c (visit_loadstore): Properly verify
22408         default defs.
22409
22410 2017-02-17  Richard Biener  <rguenther@suse.de>
22411
22412         PR bootstrap/79567
22413         * genmatch.c (output_line_directive): Handle DIR_SEPARATOR_2.
22414
22415 2017-02-17  Marek Polacek  <polacek@redhat.com>
22416
22417         PR middle-end/79536
22418         * fold-const.c (fold_negate_expr_1): Renamed from fold_negate_expr.
22419         (fold_negate_expr): New wrapper.
22420
22421 2017-02-16  Sandra Loosemore  <sandra@codesourcery.com>
22422
22423         * doc/invoke.texi (C++ Dialect Options) [-Wno-non-template-friend]:
22424         Correct terminology and de-emphasize pre-standard behavior.
22425
22426 2017-02-16  Alan Modra  <amodra@gmail.com>
22427
22428         PR rtl-optimization/79286
22429         * ira.c (def_dominates_uses): New function.
22430         (update_equiv_regs): Don't create an equivalence for insns that
22431         may trap where the register def does not dominate the use.
22432
22433 2017-02-16  Vladimir Makarov  <vmakarov@redhat.com>
22434
22435         PR rtl-optimization/78127
22436         * lra.c (lra): Call lra_eliminate before finish the loop after
22437         lra_constraint.
22438
22439 2017-02-16  Richard Biener  <rguenther@suse.de>
22440
22441         * graphite.h: Do not include isl/isl_val_gmp.h, instead include
22442         isl/isl_val.h.
22443         * graphite-isl-ast-to-gimple.c (gmp_cst_to_tree): Remove.
22444         (gcc_expression_from_isl_expr_int): Use generic isl_val interface.
22445         * graphite-sese-to-poly.c: Do not include isl/isl_val_gmp.h.
22446         (isl_val_int_from_wi): New function.
22447         (extract_affine_gmp): Rename to ...
22448         (extract_affine_wi): ... this, take a widest_int.
22449         (extract_affine_int): Just wrap extract_affine_wi.
22450         (add_param_constraints): Use isl_val_int_from_wi.
22451         (add_loop_constraints): Likewise, and extract_affine_wi.
22452
22453 2017-02-15  Jeff Law  <law@redhat.com>
22454
22455         PR middle-end/79521
22456         * ira-costs.c (scan_one_insn): Check have_regs_of_mode before calling
22457         ira_init_register_move_cost_if_necessary.
22458
22459 2017-02-15  Martin Sebor  <msebor@redhat.com>
22460
22461         PR middle-end/32003
22462         * doc/invoke.texi (-fdump-final-insns): Replace option accidentally
22463         removed in a prior commit.
22464
22465 2017-02-15  Bin Cheng  <bin.cheng@arm.com>
22466
22467         PR tree-optimization/79347
22468         * tree-vect-loop-manip.c (vect_do_peeling): Maintain profile
22469         counters during peeling.
22470
22471 2017-02-15  Thomas Schwinge  <thomas@codesourcery.com>
22472
22473         * Makefile.in (site.exp): Remove "set ISLVER".
22474
22475 2017-02-15  Jakub Jelinek  <jakub@redhat.com>
22476
22477         PR target/79487
22478         * real.c (real_from_integer): Call real_convert even for decimal.
22479
22480 2017-02-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>
22481
22482         PR target/79421
22483         * config/s390/s390.c: define TARGET_CUSTOM_FUNCTION_DESCRIPTORS.
22484
22485 2017-02-14  Andrew Pinski  <apinski@cavium.com>
22486
22487         * config/aarch64/aarch64-cores.def (thunderx2t99): Move to under 'C"
22488         cores and change the partno/implementer to be correct.
22489         (thunderx2t99p1): New core which replaces thunderx2t99 and still has
22490         the 'B" as the implementer.
22491         * config/aarch64/aarch64-tune.md: Regenerate.
22492
22493 2017-02-14  Carl Love  <cel@us.ibm.com>
22494
22495         * config/rs6000/rs6000.c: Add case statement entry to make the
22496         xvcvuxdsp built-in argument unsigned.
22497         * config/rs6000/vsx.md: Fix the source and return operand types so they
22498         match the instruction definitions from the ISA document.  Fix typo
22499         in the instruction generation for the (define_insn "vsx_xvcvuxdsp"
22500         statement.
22501
22502 2017-02-14  Vladimir Makarov  <vmakarov@redhat.com>
22503
22504         PR target/79282
22505         * lra-int.h (struct lra_operand_data, struct lra_insn_reg): Add
22506         member early_clobber_alts.
22507         * lra-lives.c (reg_early_clobber_p): New.
22508         (process_bb_lives): Use it.
22509         * lra.c (new_insn_reg): New arg early_clobber_alts.  Use it.
22510         (debug_operand_data): Initialize early_clobber_alts.
22511         (setup_operand_alternative): Set up early_clobber_alts.
22512         (collect_non_operand_hard_regs): Ditto.  Pass early clobber
22513         alternatives to new_insn_reg.
22514         (add_regs_to_insn_regno_info): Add arg early_clobber_alts.  Use
22515         it.
22516         (lra_update_insn_regno_info): Pass the new arg.
22517
22518 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22519
22520         PR middle-end/79505
22521         * omp-offload.c (free_oacc_loop): Release loop->ifns vector.
22522         (new_oacc_loop_raw): Don't clear already cleared fields.
22523
22524         PR target/79481
22525         * config/i386/avx512pfintrin.h (_mm512_prefetch_i32gather_pd,
22526         _mm512_prefetch_i32gather_ps, _mm512_prefetch_i64gather_pd,
22527         _mm512_prefetch_i64gather_ps): New inline functions and macros.
22528
22529 2017-02-14  Uros Bizjak  <ubizjak@gmail.com>
22530
22531         PR target/79495
22532         * config/i386/i386.md (*movxf_internal): Add (o,rC) alternative.
22533
22534 2017-02-14  H.J. Lu  <hongjiu.lu@intel.com>
22535
22536         PR target/79498
22537         * config/i386/i386.c (timode_scalar_chain::convert_insn): Insert
22538         the extra instruction to the right place to store 128-bit constant
22539         when needed.
22540
22541 2017-02-14  Martin Sebor  <msebor@redhat.com>
22542
22543         PR middle-end/79448
22544         * gimple-ssa-sprintf.c (format_directive): Avoid issuing INT_MAX
22545           warning for strings of unknown length.
22546
22547 2017-02-13  Segher Boessenkool  <segher@kernel.crashing.org>
22548
22549         * config.gcc (supported_defaults) [powerpc*-*-*]: Update.
22550
22551 2017-02-14  Jeff Law  <law@redhat.com>
22552
22553         PR target/79404
22554         * ira-costs.c (scan_one_insn): Initialize register move costs
22555         for pseudos seen in USE/CLOBBER insns.
22556
22557         PR tree-optimization/79095
22558         * tree-vrp.c (extract_range_from_binary_expr_1): For EXACT_DIV_EXPR,
22559         if the numerator has the range ~[0,0] make the resultant range ~[0,0].
22560         (extract_range_from_binary_expr): For MINUS_EXPR with no derived range,
22561         if the operands are known to be not equal, then the resulting range
22562         is ~[0,0].
22563         (intersect_ranges): If the new range is ~[0,0] and the old range is
22564         wide, then prefer ~[0,0].
22565         * tree-vrp.c (overflow_comparison_p_1): New function.
22566         (overflow_comparison_p): New function.
22567         * tree-vrp.c (register_edge_assert_for_2): Register additional asserts
22568         if NAME is used in an overflow test.
22569         (vrp_evaluate_conditional_warnv_with_ops): If the ops represent an
22570         overflow check that can be expressed as an equality test, then adjust
22571         ops to be that equality test.
22572
22573 2017-02-14  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
22574
22575         * config/s390/s390-builtin-types.def: Remove flags argument.
22576         * config/s390/s390.c (s390_init_builtins): Likewise.
22577
22578 2017-02-14  Martin Liska  <mliska@suse.cz>
22579
22580         * tree-ssa-loop-unswitch.c (hoist_guard): Release get_loop_body
22581         vector.  Fix trailing white spaces.
22582
22583 2017-02-14  James Greenhalgh  <james.greenhalgh@arm.com>
22584
22585         * config/aarch64/aarch64.c (aarch64_simd_container_mode): Handle
22586         HFmode.
22587
22588 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22589
22590         PR rtl-optimization/68664
22591         * config/arm/arm.c (arm_sched_can_speculate_insn):
22592         New function.  Declare prototype.
22593         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22594
22595 2017-02-14  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22596
22597         PR rtl-optimization/68664
22598         * config/aarch64/aarch64.c (aarch64_sched_can_speculate_insn):
22599         New function.
22600         (TARGET_SCHED_CAN_SPECULATE_INSN): Define.
22601
22602 2017-02-14  Amit Pawar  <amit.pawar@amd.com>
22603
22604         * config/i386/i386.c (znver1_cost): Fix the alignment for function and
22605         max skip bytes for function, loop and jump.
22606
22607 2017-02-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>
22608
22609         * gimple-pretty-print.c (dump_unary_rhs): Adjust dump format for
22610         ABS_EXPR for gimple dump.
22611
22612 2017-02-14  Jakub Jelinek  <jakub@redhat.com>
22613
22614         PR target/79462
22615         * config/sh/sh.c (expand_cbranchdi4): Don't clear operands[4].
22616
22617         PR tree-optimization/79408
22618         * tree-vrp.c (simplify_div_or_mod_using_ranges): Handle also the
22619         case when on TRUNC_MOD_EXPR op0 is INTEGER_CST.
22620         (simplify_stmt_using_ranges): Call simplify_div_or_mod_using_ranges
22621         also if rhs1 is INTEGER_CST.
22622
22623 2017-02-14  Richard Biener  <rguenther@suse.de>
22624
22625         PR middle-end/79432
22626         * tree-into-ssa.c (insert_phi_nodes): When the function can
22627         have abnormal edges rewrite SSA names with broken use-def
22628         dominance out of SSA and register them for PHI insertion.
22629
22630 2017-02-13  Martin Sebor  <msebor@redhat.com>
22631
22632         PR middle-end/79496
22633         * gimple-ssa-sprintf.c (pass_sprintf_length::handle_gimple_call): Avoid
22634         clearing info.nowrite flag when snprintf size argument is a range.
22635
22636 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22637
22638         * cprop.c (cprop_jump): Add missing space in string literal.
22639         * tree-ssa-structalias.c (rewrite_constraints): Likewise.
22640         (get_constraint_for_component_ref): Likewise.
22641         * df-core.c (df_worklist_dataflow_doublequeue): Likewise.
22642         * tree-outof-ssa.c (insert_partition_copy_on_edge): Likewise.
22643         * lra-constraints.c (process_alt_operands): Likewise.
22644         * ipa-inline.c (inline_small_functions): Likewise.
22645         * tree-ssa-sccvn.c (visit_reference_op_store): Likewise.
22646         * cgraph.c (cgraph_edge::redirect_call_stmt_to_callee): Likewise.
22647         * trans-mem.c (diagnose_tm_1_op): Likewise.
22648         * omp-grid.c (grid_find_single_omp_among_assignments): Likewise.
22649         (grid_parallel_clauses_gridifiable): Likewise.
22650
22651         * config/nvptx/mkoffload.c (process): Add space in between
22652         , and %d.
22653
22654         * config/i386/i386.h (REG_CLASS_NAMES): Add , in between
22655         "MOD4_SSE_REGS" and "ALL_REGS".
22656
22657         * spellcheck.c (test_data): Add , in between "foo" and "food".
22658
22659 2017-02-13  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22660
22661         PR target/79449
22662         * config/rs6000/rs6000.c (expand_block_compare): Make sure runtime
22663         boundary crossing check and subsequent code generation agree.
22664
22665 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22666
22667         * config/aarch64/aarch64.c (has_memory_op): Delete.
22668         (aarch64_madd_needs_nop): Use contains_mem_rtx_p instead of
22669         has_memory_op.
22670
22671 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
22672
22673         PR rtl-optimization/79388
22674         PR rtl-optimization/79450
22675         * combine.c (distribute_notes): When removing TEM_INSN for which
22676         corresponding dest has last value recorded, invalidate that last
22677         value.
22678
22679 2017-02-13  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22680
22681         * config/arm/arm.c (arm_print_tune_info): Use ASM_COMMENT_START instead
22682         of explicit '@'.  Add missing assembly comment marker on branch costs
22683         printout.
22684
22685 2017-02-13  Nathan Sidwell  <nathan@acm.org>
22686
22687         * gengtype-lex.l (<in_struct>): Add '/'.
22688
22689 2017-02-13  Martin Liska  <mliska@suse.cz>
22690
22691         PR c/79471
22692         * calls.c (expand_call): Replace XALLOCAVEC with XCNEWVEC.
22693
22694 2017-02-13  Richard Biener  <rguenther@suse.de>
22695
22696         * configure.ac (HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS):
22697         Remove.
22698         * configure: Re-generate.
22699         * config.in: Likewise.
22700         * graphite-dependences.c: Simplify as if
22701         HAVE_ISL_OPTIONS_SET_SCHEDULE_SERIALIZE_SCCS was defined.
22702         * graphite-isl-ast-to-gimple.c: Likewise.
22703         * graphite-optimize-isl.c: Likewise.
22704         * graphite-poly.c: Likewise.
22705         * graphite-sese-to-poly.c: Likewise.
22706         * graphite.h: Likewise.
22707         * toplev.c: Include isl/version.h and use isl_version () for
22708         printing the ISL version.
22709         * doc/install.texi: Update ISL requirement.
22710
22711 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22712
22713         * doc/standards.texi (Standards): Update reference to
22714         Objective-C 2.0.
22715
22716 2017-02-12  Gerald Pfeifer  <gerald@pfeifer.com>
22717
22718         * doc/extend.texi (Named Address Spaces): sourceware.org now
22719         defaults to https.
22720         * doc/install.texi (Binaries): Ditto.
22721         (Specific): Ditto.
22722
22723 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22724
22725         * doc/cpp.texi: Replace "stringify"/"stringification" with C
22726         standard terminology "stringize"/"stringizing" throughout.
22727         * doc/cppinternals.texi: Likewise.
22728
22729 2017-02-11  Sandra Loosemore  <sandra@codesourcery.com>
22730
22731         * doc/extend.texi: Fix some spelling mistakes and typos.
22732         * doc/invoke.texi: Likewise.
22733
22734 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22735
22736         PR ipa/79224
22737         * params.def (inline-min-speedup) Change from 10 to 8.
22738
22739 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22740
22741         * doc/invoke.texi (fopenmp): Bump OpenMP version from 4.0 to
22742         4.5.
22743
22744 2017-02-11  Jan Hubicka  <hubicka@ucw.cz>
22745
22746         PR ipa/79224
22747         * ipa-inline-analysis.c (get_minimal_bb): New function.
22748         (record_modified): Use it.
22749         (remap_edge_change_prob): Handle also ancestor functions.
22750
22751 2017-02-11  Gerald Pfeifer  <gerald@pfeifer.com>
22752
22753         * doc/contrib.texi (Contributors): Remove broken link into
22754         the Mauve CVS repository.
22755
22756 2017-02-11  Jakub Jelinek  <jakub@redhat.com>
22757
22758         PR middle-end/79454
22759         * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
22760         result computation whenever lhs doesn't have vector mode, not
22761         just when it has BLKmode.
22762
22763 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22764
22765         * doc/makefile.texi (profiledbootstrap): Refer to the
22766         installation instructions only in textual form.
22767
22768 2017-02-10  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
22769
22770         PR target/79295
22771         * config/rs6000/altivec.md (bcd<bcd_add_sub>): Fix constraints.
22772
22773 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
22774
22775         * doc/install.texi (Specific): Use https for blackfin.uclinux.org.
22776         (Specific): Update mingw-w64 reference.
22777         (Binaries): Ditto.
22778         (Specific): Remove broken link to Renesas RX processor.
22779
22780 2017-02-10  Richard Biener  <rguenther@suse.de>
22781
22782         * toplev.c (process_options): Do not mention obsolete graphite
22783         options when printing sorry message about missing graphite support.
22784         Mention -floop-nest-optimize.
22785
22786 2017-02-10  Christophe Lyon  <christophe.lyon@linaro.org>
22787
22788         * config/aarch64/arm_neon.h (vtst_p8): Rewrite without asm.
22789         (vtst_p16): Likewise.
22790         (vtstq_p8): Likewise.
22791         (vtstq_p16): Likewise.
22792         (vtst_p64): New.
22793         (vtstq_p64): Likewise.
22794         * config/arm/arm_neon.h (vgetq_lane_p64): New.
22795         (vset_lane_p64): New.
22796         (vsetq_lane_p64): New.
22797
22798 2017-02-10  Jakub Jelinek  <jakub@redhat.com>
22799
22800         PR tree-optimization/79411
22801         * tree-ssa-reassoc.c (is_reassociable_op): Return false if
22802         stmt operands are SSA_NAMEs used in abnormal phis.
22803         (can_reassociate_p): Return false if op is SSA_NAME used in abnormal
22804         phis.
22805
22806 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22807
22808         PR ipa/70795
22809         * cgraphunit.c (cgraph_node::add_new_function): Set externally_visible
22810         flag if needed.
22811
22812 2017-02-09  Jan Hubicka  <hubicka@ucw.cz>
22813
22814         * tree-ssa-loop-unswitch.c (hoist_guard): Update profile.
22815
22816 2017-02-09  Jakub Jelinek  <jakub@redhat.com>
22817
22818         * omp-offload.c (oacc_loop_auto_partitions): Use || instead of |
22819         to avoid warning.
22820
22821         PR c/79413
22822         * gimplify.h (is_gimple_sizepos): Only test for INTEGER_CST constants,
22823         not arbitrary TREE_CONSTANT.
22824
22825         PR c/79431
22826         * gimplify.c (gimplify_adjust_omp_clauses): Ignore
22827         "omp declare target link" attribute unless is_global_var.
22828         * omp-offload.c (find_link_var_op): Likewise.
22829
22830 2017-02-09  Nathan Sidwell  <nathan@codesourcery.com>
22831             Chung-Lin Tang  <cltang@codesourcery.com>
22832
22833         * gimplify.c (gimplify_scan_omp_clauses): No special handling for
22834         OMP_CLAUSE_TILE.
22835         (gimplify_adjust_omp_clauses): Don't delete TILE.
22836         (gimplify_omp_for): Deal with TILE.
22837         * internal-fn.c (expand_GOACC_TILE): New function.
22838         * internal-fn.def (GOACC_DIM_POS): Comment may be overly conservative.
22839         (GOACC_TILE): New.
22840         * omp-expand.c (struct oacc_collapse): Add tile and outer fields.
22841         (expand_oacc_collapse_init): Add LOC paramter.  Initialize tile
22842         element fields.
22843         (expand_oacc_collapse_vars): Add INNER parm, adjust for tiling,
22844         avoid DIV for outermost collapse var.
22845         (expand_oacc_for): Insert tile element loop as needed.  Adjust.
22846         Remove out of date comments, fix whitespace.
22847         * omp-general.c (omp_extract_for_data): Deal with tiling.
22848         * omp-general.h (enum oacc_loop_flags): Add OLF_TILE flag,
22849         adjust OLF_DIM_BASE value.
22850         (struct omp_for_data): Add tiling field.
22851         * omp-low.c (scan_sharing_clauses): Allow OMP_CLAUSE_TILE.
22852         (lower_oacc_head_mark): Add OLF_TILE as appropriate.  Ensure 2 levels
22853         for auto loops.  Remove default auto determining, moved to
22854         oacc_loop_fixed_partitions.
22855         * omp-offload.c (struct oacc_loop): Change 'ifns' to vector of call
22856         stmts, add e_mask field.
22857         (oacc_dim_call): New function, abstracted out from oacc_thread_numbers.
22858         (oacc_thread_numbers): Use oacc_dim_call.
22859         (oacc_xform_tile): New.
22860         (new_oacc_loop_raw): Initialize e_mask, adjust for ifns vector.
22861         (finish_oacc_loop): Adjust for ifns vector.
22862         (oacc_loop_discover_walk): Append loop abstraction sites to list,
22863         add case for GOACC_TILE fns.
22864         (oacc_loop_xform_loop): Delete.
22865         (oacc_loop_process): Iterate over call list directly, and add
22866         handling for GOACC_TILE fns.
22867         (oacc_loop_fixed_partitions): Determine default auto, deal with TILE,
22868         dump partitioning.
22869         (oacc_loop_auto_partitions): Add outer_assign parm. Assign all but
22870         vector partitioning to outer loops.  Assign 2 partitions to loops
22871         when available. Add TILE handling.
22872         (oacc_loop_partition): Adjust oacc_loop_auto_partitions call.
22873         (execite_oacc_device_lower): Process GOACC_TILE fns,
22874         ignore unknown specs.
22875         * tree-nested.c (convert_nonlocal_omp_clauses): Allow OMP_CLAUSE_TILE.
22876         * tree.c (omp_clause_num_ops): Adjust TILE ops.
22877         * tree.h (OMP_CLAUSE_TILE_ITERVAR, OMP_CLAUSE_TILE_COUNT): New.
22878
22879 2017-02-09  Gerald Pfeifer  <gerald@pfeifer.com>
22880
22881         * configure.ac (ACX_BUGURL): Update.
22882         * configure: Regenerate.
22883
22884 2017-02-09  Richard Biener  <rguenther@suse.de>
22885
22886         PR tree-optimization/69823
22887         * graphite-scop-detection.c (scop_detection::harmful_loop_in_region):
22888         Properly enumerate all BBs in the region.  Use auto_vec/auto_bitmap.
22889
22890 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22891
22892         * config/arc/arc-c.def: Add __NPS400__ definition.
22893         * config/arc/arc.h (CPP_SPEC): Don't define __NPS400__ here.
22894         (TARGET_NPS400): Define.
22895
22896 2017-02-09  Andrew Burgess  <andrew.burgess@embecosm.com>
22897
22898         * config/arc/arc-arch.h (arc_arch_t): Move unchanged to earlier in
22899         file.
22900         (arc_cpu_t): Change base_architecture field, arch, to a arc_arc_t
22901         pointer, arch_info.
22902         (arc_cpu_types): Fill the arch_info field with a pointer into the
22903         arc_arch_types table.
22904         (arc_selected_cpu): Declare.
22905         * config/arc/arc.c (arc_selected_cpu): Make global.
22906         (arc_selected_arch): Delete.
22907         (arc_base_cpu): Delete.
22908         (arc_override_options): Remove references to deleted variables,
22909         update access to arch information.
22910         (ARC_OPT): Update access to arch information.
22911         (ARC_OPTX): Likewise.
22912         * config/arc/arc.h (arc_base_cpu): Remove declaration.
22913         (TARGET_ARC600): Update access to arch information.
22914         (TARGET_ARC601): Likewise.
22915         (TARGET_ARC700): Likewise.
22916         (TARGET_EM): Likewise.
22917         (TARGET_HS): Likewise.
22918         * config/arc/driver-arc.c (arc_cpu_to_as): Update access to arch
22919         information.
22920
22921 2017-02-08  Pat Haugen  <pthaugen@us.ibm.com>
22922
22923         PR target/78604
22924         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Invert
22925         condition/operands for integer GE/LE/GEU/LEU operations.
22926
22927 2017-02-08  Segher Boessenkool  <segher@kernel.crashing.org>
22928
22929         PR translation/79397
22930         * config/rs6000/rs6000.opt (maltivec=le, maltivec=be): Fix spelling
22931         of AltiVec.
22932
22933 2017-02-08  Martin Jambor  <mjambor@suse.cz>
22934
22935         PR ipa/79375
22936         * ipa-prop.c (ipa_alloc_node_params): Make static, return bool
22937         whether allocation happened.
22938         (ipa_initialize_node_params): Do not call ipa_alloc_node_params if
22939         nothing was allocated.
22940
22941 2017-02-08  Jakub Jelinek  <jakub@redhat.com>
22942
22943         PR tree-optimization/79408
22944         * tree-vrp.c (simplify_div_or_mod_using_ranges): If op1 is not
22945         constant, but SSA_NAME with a known integer range, use the minimum
22946         of that range instead of op1 to determine if modulo can be replaced
22947         with its first operand.
22948
22949 2016-02-08  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
22950
22951         * config/riscv/riscv.c (riscv_build_integer_1): Avoid use of INT16_MAX.
22952
22953 2017-02-08  Richard Biener  <rguenther@suse.de>
22954
22955         PR tree-optimization/71824
22956         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
22957         Check all loops contained in the merged region.
22958
22959 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22960
22961         * config/aarch64/aarch64.md (popcount<mode>2): New pattern.
22962
22963 2017-02-07  Andrew Pinski  <apinski@cavium.com>
22964
22965         * config/aarch64/aarch64-cores.def (thunderx): Disable LSE.
22966         (thunderxt88): Likewise.
22967         (thunderxt81): Disable LSE and change v8.1 to v8.
22968         (thunderxt83): Likewise.
22969
22970 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22971             Richard Biener  <rguenther@suse.de>
22972
22973         PR middle-end/79399
22974         * ira-int.h (struct target_ira_int): Change x_max_struct_costs_size
22975         type from int to size_t.
22976         * ira-costs.c (struct_costs_size): Change type from int to size_t.
22977
22978 2017-02-07  Jakub Jelinek  <jakub@redhat.com>
22979
22980         PR rtl-optimization/79386
22981         * cprop.c (bypass_conditional_jumps): Initialize
22982         bypass_last_basic_block already before splitting bbs after
22983         unconditional traps...
22984         (bypass_conditional_jumps): ... rather than here.
22985
22986         PR target/79299
22987         * config/i386/sse.md (xtg_mode, gatherq_mode): New mode attrs.
22988         (*avx512f_gathersi<mode>, *avx512f_gathersi<mode>_2,
22989         *avx512f_gatherdi<mode>, *avx512f_gatherdi<mode>_2): Use them,
22990         fix -masm=intel patterns.
22991
22992 2017-02-07  Richard Biener  <rguenther@suse.de>
22993
22994         PR tree-optimization/79256
22995         PR middle-end/79278
22996         * builtins.c (get_object_alignment_2): Use min_align_of_type
22997         to extract alignment for MEM_REFs to honor BIGGEST_FIELD_ALIGNMENT
22998         and ADJUST_FIELD_ALIGN.
22999
23000         * doc/tm.texi.in (ADJUST_FIELD_ALIGN): Adjust to take additional
23001         type parameter.
23002         * doc/tm.texi: Regenerate.
23003         * stor-layout.c (layout_decl): Adjust.
23004         (update_alignment_for_field): Likewise.
23005         (place_field): Likewise.
23006         (min_align_of_type): Likewise.
23007         * config/arc/arc.h (ADJUST_FIELD_ALIGN): Adjust.
23008         * config/epiphany/epiphany.h (ADJUST_FIELD_ALIGN): Likewise.
23009         * config/epiphany/epiphany.c (epiphany_adjust_field_align): Likewise.
23010         * config/frv/frv.h (ADJUST_FIELD_ALIGN): Likewise.
23011         * config/frv/frv.c (frv_adjust_field_align): Likewise.
23012         * config/i386/i386.h (ADJUST_FIELD_ALIGN): Likewise.
23013         * config/i386/i386.c (x86_field_alignment): Likewise.
23014         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
23015         * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Likewise.
23016         * config/rs6000/freebsd64.h (ADJUST_FIELD_ALIGN): Likewise.
23017         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
23018         * config/rs6000/sysv4.h (ADJUST_FIELD_ALIGN): Likewise.
23019         * config/rs6000/rs6000.c (rs6000_special_adjust_field_align_p):
23020          Likewise.
23021
23022         Revert
23023         2017-01-30  Richard Biener  <rguenther@suse.de>
23024
23025         PR tree-optimization/79256
23026         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23027         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23028         alignment on TYPE.
23029
23030 2017-02-07  Toma Tabacu  <toma.tabacu@imgtec.com>
23031
23032         * config/mips/mips.c (mips_expand_builtin_insn): Convert the QImode
23033         argument of the pshufh, psllh, psllw, psrah, psraw, psrlh, psrlw
23034         builtins to SImode and emit a zero-extend, if necessary.
23035
23036 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23037
23038         * docs/invoke.texi (RISC-V Options): Alphabetize.
23039
23040 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23041
23042         * doc/invoke.texi (RISC-V Options): Use two spaces to separate
23043         options.
23044
23045 2017-02-06  Palmer Dabbelt  <palmer@dabbelt.com>
23046
23047         * config/riscv/riscv.c: New file.
23048         * common/config/riscv/riscv-common.c: Likewise.
23049         * config.gcc: Likewise.
23050         * config/riscv/constraints.md: Likewise.
23051         * config/riscv/elf.h: Likewise.
23052         * config/riscv/generic.md: Likewise.
23053         * config/riscv/linux.h: Likewise.
23054         * config/riscv/multilib-generator: Likewise.
23055         * config/riscv/peephole.md: Likewise.
23056         * config/riscv/pic.md: Likewise.
23057         * config/riscv/predicates.md: Likewise.
23058         * config/riscv/riscv-builtins.c: Likewise.
23059         * config/riscv/riscv-c.c: Likewise.
23060         * config/riscv/riscv-ftypes.def: Likewise.
23061         * config/riscv/riscv-modes.def: Likewise.
23062         * config/riscv/riscv-opts.h: Likewise.
23063         * config/riscv/riscv-protos.h: Likewise.
23064         * config/riscv/riscv.h: Likewise.
23065         * config/riscv/riscv.md: Likewise.
23066         * config/riscv/riscv.opt: Likewise.
23067         * config/riscv/sync.md: Likewise.
23068         * config/riscv/t-elf-multilib: Likewise.
23069         * config/riscv/t-linux: Likewise.
23070         * config/riscv/t-linux-multilib: Likewise.
23071         * config/riscv/t-riscv: Likewise.
23072         * configure.ac: Likewise.
23073         * doc/contrib.texi: Add Kito Cheng, Palmer Dabbelt, and Andrew
23074         Waterman as RISC-V maintainers.
23075         * doc/install.texi: Add RISC-V entries.
23076         * doc/invoke.texi: Add RISC-V options section.
23077         * doc/md.texi: Add RISC-V constraints section.
23078         * configure: Regenerated.
23079
23080 2017-02-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
23081
23082         PR target/66144
23083         * config/rs6000/vector.md (vcond<mode><mode>): Allow the true and
23084         false values to be constant vectors with all 0 or all 1 bits set.
23085         (vcondu<mode><mode>): Likewise.
23086         * config/rs6000/predicates.md (vector_int_reg_or_same_bit): New
23087         predicate.
23088         (fpmask_comparison_operator): Update comment.
23089         (vecint_comparison_operator): New predicate.
23090         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Optimize
23091         vector conditionals when the true and false values are constant
23092         vectors with all 0 bits or all 1 bits set.
23093
23094 2017-02-06  Martin Sebor  <msebor@redhat.com>
23095
23096         PR  tree-optimization/79376
23097         * gimple-fold.c (get_range_strlen): Set the minimum length to zero.
23098
23099 2017-02-06  Uros Bizjak  <ubizjak@gmail.com>
23100
23101         * config/i386/sse.md (vector modes -> vec_extract* splitter): Use
23102         explicit subreg RTX with operand 1.  Use VECTOR_MODE_P predicate
23103         to simplify split condition.
23104
23105 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23106
23107         * omp-expand.c (oxpand_omp_atomic_fetch_op,
23108         expand_omp_atomic_pipeline): Return false if can_atomic_load_p is
23109         false.
23110
23111 2017-02-06  Segher Boessenkool  <segher@kernel.crashing.org>
23112
23113         PR rtl-optimization/68664
23114         * target.def (can_speculate_insn): New hook.
23115         * doc/tm.texi.in (TARGET_SCHED_CAN_SPECULATE_INSN): New hook.
23116         * doc/tm.texi: Regenerate.
23117         * sched-rgn.c (can_schedule_ready_p): Use the new hook.
23118         * config/rs6000/rs6000.c (TARGET_SCHED_CAN_SPECULATE_INSN): New macro.
23119         (rs6000_sched_can_speculate_insn): New function.
23120
23121 2017-02-06  Jakub Jelinek  <jakub@redhat.com>
23122
23123         PR tree-optimization/79284
23124         * tree-vectorizer.h (VECT_SCALAR_BOOLEAN_TYPE_P): Define.
23125         * tree-vect-stmts.c (vect_get_vec_def_for_operand,
23126         vectorizable_mask_load_store, vectorizable_operation,
23127         vect_is_simple_cond, get_same_sized_vectype): Use it instead
23128         of comparing TREE_CODE of a type against BOOLEAN_TYPE.
23129         * tree-vect-patterns.c (check_bool_pattern, search_type_for_mask_1,
23130         vect_recog_bool_pattern, vect_recog_mask_conversion_pattern): Likewise.
23131         * tree-vect-slp.c (vect_get_constant_vectors): Likewise.
23132         * tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
23133         Remove redundant gimple_code (stmt) == GIMPLE_ASSIGN test after
23134         is_gimple_assign (stmt).  Replace another such test with
23135         is_gimple_assign (stmt).
23136
23137 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23138
23139         PR target/78883
23140         * config/avr/avr.c (rtl-iter.h): Include it.
23141         (TARGET_LEGITIMATE_COMBINED_INSN): New hook define...
23142         (avr_legitimate_combined_insn): ...and implementation.
23143
23144 2017-02-06  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23145
23146         * config/s390/predicates.md ("larl_operand"): Use macros from hwint.h.
23147         * config/s390/s390.c (s390_const_operand_ok)
23148         (s390_canonicalize_comparison, s390_extract_part)
23149         (s390_single_part, s390_contiguous_bitmask_nowrap_p)
23150         (s390_contiguous_bitmask_p, s390_rtx_costs)
23151         (legitimize_pic_address): Likewise.
23152         * config/s390/s390.md ("clzdi2", "clztidi2"): Likewise.
23153         * config/s390/vx-builtins.md ("vec_genbytemaskv16qi")
23154         ("vec_permi<mode>", "vfae<mode>", "*vfaes<mode>", "vstrc<mode>")
23155         ("*vstrcs<mode>"): Use UINTVAL() to set unsigned HOST_WIDE_INT.
23156         * config/s390/vector.md ("vec_vfenes<mode>"): Likewise.
23157
23158 2017-02-06  Georg-Johann Lay  <avr@gjlay.de>
23159
23160         * config/avr/avr.md (*addhi3_zero_extend): Add alternative where
23161         REGNO($0) == REGNO($1).
23162
23163 2017-02-06  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23164
23165         * config/s390/linux.h(SIZE_TYPE): Add comment.
23166
23167 2017-02-06  Julian Brown  <julian@codesourcery.com>
23168             Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23169             Virendra Pathak  <virendra.pathak@broadcom.com>
23170
23171         * config/aarch64/aarch64-cores.def: Change the scheduler
23172         to Thunderx2t99.
23173         * config/aarch64/aarch64.md: Include thunderx2t99.md.
23174         * config/aarch64/thunderx2t99.md: New file.
23175
23176 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23177
23178         * doc/standards.texi (Go Language): Update link to language
23179         standard.
23180
23181 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23182
23183         * tree-eh.c (lower_resx): Sanitize profile.
23184         (cleanup_empty_eh_move_lp): Likewise.
23185
23186 2017-02-05  Jan Hubicka  <hubicka@ucw.cz>
23187
23188         PR tree-ssa/79347
23189         * cfgloopmanip.c (lv_adjust_loop_entry_edge, loop_version): Add
23190         ELSE_PROB.
23191         * cfgloopmanip.h (loop_version): Update prototype.
23192         * modulo-sched.c (sms_schedule): Update call of loop_version.
23193         * tree-if-conv.c(version_loop_for_if_conversion): Likewise.
23194         * tree-parloops.c (gen_parallel_loop): Likewise.
23195         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Likewise.
23196         * tree-ssa-loop-split.c (split_loop): Likewise.
23197         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Likewise.
23198         * tree-vect-loop-manip.c (vect_loop_versioning): Likewise.
23199
23200 2017-02-05  Martin Liska  <mliska@suse.cz>
23201
23202         PR bootstrap/78985
23203         * config/s390/s390.c (s390_gimplify_va_arg): Initialize local
23204         variable to NULL.
23205         (print_operand_address): Initialize a struct to zero.
23206
23207 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23208
23209         * doc/contrib.texi (Contributors): Refer to Hans Boehm's
23210         garbage collector only in textual form.
23211
23212 2017-02-05  Gerald Pfeifer  <gerald@pfeifer.com>
23213
23214         * doc/extend.texi (x86 specific memory model extensions for
23215         transactional memory): Simplify a phrase.
23216
23217 2017-02-05  Eric Botcazou  <ebotcazou@adacore.com>
23218
23219         PR target/79353
23220         * config/sparc/sync.md (atomic_loaddi_1): Replace 'U' constraint with
23221         'r', 'm' constraint with 'T' and !TARGET_ARCH64 with TARGET_ARCH32.
23222         (atomic_storedi_1): Likewise.
23223
23224 2017-02-04  Jakub Jelinek  <jakub@redhat.com>
23225
23226         PR tree-optimization/79338
23227         * tree-parloops.c (gather_scalar_reductions): Don't call
23228         vect_analyze_loop_form for loop->inner before destroying loop's
23229         loop_vinfo.
23230
23231 2017-02-03  Martin Sebor  <msebor@redhat.com>
23232
23233         PR tree-optimization/79327
23234         * gimple-ssa-sprintf.c (tree_digits): Avoid adding the base prefix
23235         when precision has resulted in leading zeros.
23236         (format_integer): Adjust the likely counter to assume an unknown
23237         argument that may be zero is non-zero.
23238
23239 2017-02-03  Jason Merrill  <jason@redhat.com>
23240
23241         PR c++/78689
23242         * tree-inline.c (copy_tree_body_r) [COND_EXPR]: Revert change to
23243         avoid copying non-taken branch.
23244
23245 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23246
23247         PR tree-optimization/79340
23248         * tree-vect-loop.c (vectorizable_reduction): Release
23249         vec_defs elements after safe_splicing them into other vectors.
23250         Formatting fixes.
23251
23252         PR tree-optimization/79327
23253         * gimple-ssa-sprintf.c (adjust_range_for_overflow): If returning
23254         true, always set *argmin and *argmax to TYPE_{MIN,MAX}_VALUE of
23255         dirtype.
23256         (format_integer): Use wide_int_to_tree instead of build_int_cst
23257         + to_?hwi.  If argmin is NULL, just set argmin and argmax to
23258         TYPE_{MIN,MAX}_VALUE of argtype.  Simplify and fix computation
23259         of shortest and longest sequence.
23260
23261 2017-02-03  Uros Bizjak  <ubizjak@gmail.com>
23262
23263         * config/i386/i386.c (dimode_scalar_chain::convert_reg):
23264         Use pextrd for TARGET_SSE4_1 when creating scalar copy.
23265
23266 2017-02-03  Walter Lee  <walt@tilera.com>
23267
23268         PR target/78862
23269         * config/tilegx/tilegx.md (tilegx_expand_prologue): Add blockage
23270         after initial stackframe link reg save.
23271         * config/tilepro/tilepro.md (tilepro_expand_prologue): Likewise.
23272
23273 2017-02-03  Jakub Jelinek  <jakub@redhat.com>
23274
23275         PR target/79354
23276         * config/rs6000/rs6000.md (movsi_from_sf): Use wb constraint instead of
23277         wu for stxssp alternative.
23278
23279 2017-02-03  Martin Sebor  <msebor@redhat.com>
23280
23281         PR tree-optimization/79352
23282         * gimple-fold.c (get_range_strlen): Add argument.
23283         (get_range_strlen): Change return type to bool.
23284         (get_maxval_strlen): Pass in a dummy argument.
23285         * gimple-fold.h (get_range_strlen): Change return type to bool.
23286         * gimple-ssa-sprintf.c (get_string_length): Set unlikely counter.
23287         * tree.h (array_at_struct_end_p): Add argument.
23288         * tree.c (array_at_struct_end_p): Handle it.
23289
23290 2017-02-03  Martin Liska  <mliska@suse.cz>
23291
23292         PR lto/66295
23293         * multiple_target.c (create_dispatcher_calls): Redirect edge
23294         from a caller of a dispatcher.
23295         (expand_target_clones): Make the clones local.
23296         (ipa_target_clone): Do both target clones and resolvers.
23297         (ipa_dispatcher_calls): Remove the pass.
23298         (pass_dispatcher_calls::gate): Likewise.
23299         (make_pass_dispatcher_calls): Likewise.
23300         * passes.def (pass_target_clone): Put as very first IPA early
23301         pass.
23302
23303 2017-02-03  Martin Liska  <mliska@suse.cz>
23304
23305         * symtab.c (symtab_node::binds_to_current_def_p): Bail out
23306         in case of a function with ifunc attribute.
23307
23308 2017-02-03  Martin Liska  <mliska@suse.cz>
23309
23310         * cgraph.c (cgraph_node::dump): Dump function version info.
23311         * symtab.c (symtab_node::dump_base): Add missing new line.
23312
23313 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23314
23315         * tree-ssa-ifcombine.c (update_profile_after_ifcombine): New function.
23316         (ifcombine_ifandif): Use it.
23317
23318 2017-02-03  Martin Liska  <mliska@suse.cz>
23319
23320         * doc/invoke.texi: Document default value for
23321         use-after-scope-direct-emission-threshold.
23322
23323 2017-02-03  Martin Liska  <mliska@suse.cz>
23324
23325         PR tree-optimization/79339
23326         * gimple-ssa-sprintf.c (format_floating_max): Call mpfr_clear.
23327         (format_floating): Likewise.
23328
23329 2017-02-03  Martin Liska  <mliska@suse.cz>
23330
23331         PR ipa/79337
23332         * ipa-prop.c (ipa_node_params_t::insert): Remove current
23333         implementation.
23334         (ipa_node_params_t::remove): Likewise.
23335         * ipa-prop.h (ipa_node_params::ipa_node_params): Make default
23336         initialization from removed ipa_node_params_t::insert.
23337         (ipa_node_params::~ipa_node_params): Move from removed
23338         ipa_node_params_t::release.
23339         * symbol-summary.h (symbol_summary::m_released): New member.
23340         Do not release a summary twice.  Do not allow to call finalizer
23341         for types of a summary that live in GGC memory.
23342
23343 2017-02-02  Naveen H.S  <Naveen.Hurugalawadi@cavium.com>
23344
23345         * config/aarch64/aarch64.c (thunderx2t99_tunings): Enable AES and
23346         cmp_branch fusion.
23347
23348 2017-02-02  Martin Sebor  <msebor@redhat.com>
23349
23350         PR middle-end/79275
23351         * gimple-ssa-sprintf.c (get_string_length): Set lower bound to zero.
23352         (format_string): Tighten up the range of output for non-constant
23353         strings and correct the expected range for wide non-constant strings.
23354
23355 2017-02-02  Martin Sebor  <msebor@redhat.com>
23356
23357         * doc/invoke.texi (-maccumulate-args): Fix bad grammar.
23358
23359         PR middle-end/32003
23360         * doc/invoke.texi (-fdump-tree-): Remove pass-specific options from
23361         index.
23362         (-fdump-tree-@var): Add to index and document how to come up
23363         with pass-specific option and dump file names.
23364         (-fdump-passes): Clarify where to look for output.
23365
23366 2017-02-02  Jan Hubicka  <hubicka@ucw.cz>
23367
23368         PR middle-end/77445
23369         * tree-ssa-threadbackward.c (profitable_jump_thread_path): Dump
23370         statistics of the analyzed path; allow threading for speed when
23371         any of BBs along the path are optimized for speed.
23372
23373 2017-02-02  Eric Botcazou  <ebotcazou@adacore.com>
23374
23375         PR middle-end/78468
23376         * emit-rtl.c (init_emit): Add ??? comment for problematic alignment
23377         settings of the virtual registers.
23378
23379         Revert again
23380         2016-08-23  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23381
23382         * explow.c (get_dynamic_stack_size): Take known alignment of stack
23383         pointer + STACK_DYNAMIC_OFFSET into account when calculating the size
23384         needed.
23385
23386 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23387
23388         * config/s390/vx-builtins.md ("vec_ceil", "vec_floor")
23389         ("vec_trunc", "vec_roundc", "vec_round"): Remove expanders.
23390
23391 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23392
23393         * config/s390/s390.md: Add missing comments with the expanded
23394         mnemonics.
23395         * config/s390/vector.md: Likewise.
23396         * config/s390/vx-builtins.md: Likewise.
23397
23398 2017-02-02  Jakub Jelinek  <jakub@redhat.com>
23399
23400         PR target/79197
23401         * config/rs6000/rs6000.md (*fixuns_trunc<mode>di2_fctiduz): Rename to ...
23402         (fixuns_trunc<mode>di2): ... this, remove previous expander.  Put all
23403         conditions on a single line.
23404
23405 2017-02-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23406
23407         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23408         __S390_VX__ to __VX__.
23409
23410 2017-02-01  Andrew Pinski  <apinski@cavium.com>
23411
23412         * tree-vect-loop.c (vect_compute_single_scalar_iteration_cost): Pass
23413         stmt_info to record_stmt_cost.
23414         (vect_get_known_peeling_cost): Pass stmt_info if known to
23415         record_stmt_cost.
23416         * config/aarch64/aarch64-protos.h (cpu_vector_cost): Split
23417         cpu_vector_cost field into
23418         scalar_int_stmt_cost and scalar_fp_stmt_cost.  Split vec_stmt_cost
23419         field into vec_int_stmt_cost and vec_fp_stmt_cost.
23420         * config/aarch64/aarch64.c (generic_vector_cost): Update for the
23421         splitting of scalar_stmt_cost and vec_stmt_cost.
23422         (thunderx_vector_cost): Likewise.
23423         (cortexa57_vector_cost): LIkewise.
23424         (exynosm1_vector_cost): Likewise.
23425         (xgene1_vector_cost): Likewise.
23426         (thunderx2t99_vector_cost): Improve after the splitting of the two
23427         fields.
23428         (aarch64_builtin_vectorization_cost): Update for the splitting of
23429         scalar_stmt_cost and vec_stmt_cost.
23430
23431 2017-02-01  Torvald Riegel  <triegel@redhat.com>
23432             Richard Henderson  <rth@redhat.com>
23433
23434         * builtins.c (fold_builtin_atomic_always_lock_free): Make "lock-free"
23435         conditional on existance of a fast atomic load.
23436         * optabs-query.c (can_atomic_load_p): New function.
23437         * optabs-query.h (can_atomic_load_p): Declare it.
23438         * optabs.c (expand_atomic_exchange): Always delegate to libatomic if
23439         no fast atomic load is available for the particular size of access.
23440         (expand_atomic_compare_and_swap): Likewise.
23441         (expand_atomic_load): Likewise.
23442         (expand_atomic_store): Likewise.
23443         (expand_atomic_fetch_op): Likewise.
23444         * testsuite/lib/target-supports.exp
23445         (check_effective_target_sync_int_128): Remove x86 because it provides
23446         no fast atomic load.
23447         (check_effective_target_sync_int_128_runtime): Likewise.
23448
23449 2017-02-01  Richard Biener  <rguenther@suse.de>
23450
23451         * graphite.c: Include tree-vectorizer.h for find_loop_location.
23452         (graphite_transform_loops): Provide opt-info for optimized nests.
23453         * tree-parloop.c (parallelize_loops): Provide opt-info for
23454         parallelized loops.
23455
23456 2017-02-01  Richard Biener  <rguenther@suse.de>
23457
23458         PR middle-end/79315
23459         * tree-cfg.c (move_stmt_op): Never set TREE_BLOCK when it
23460         was not set before.
23461
23462 2017-02-01  Richard Biener  <rguenther@suse.de>
23463
23464         PR tree-optimization/71824
23465         * graphite-scop-detection.c (scop_detection::build_scop_breadth):
23466         Verify the loops are valid in the merged SESE region.
23467         (scop_detection::can_represent_loop_1): Check analyzing the
23468         evolution of the number of iterations in the region succeeds.
23469
23470 2017-01-31  Ian Lance Taylor  <iant@golang.org>
23471
23472         * config/i386/i386.c (ix86_expand_split_stack_prologue): Add
23473         REG_ARGS_SIZE note to 32-bit push insns and call insn.
23474
23475 2017-01-31  David Malcolm  <dmalcolm@redhat.com>
23476
23477         PR preprocessor/79210
23478         * input.c (get_substring_ranges_for_loc): Replace line_width
23479         assertion with error-handling.
23480
23481 2017-01-31  Richard Biener  <rguenther@suse.de>
23482
23483         PR tree-optimization/77318
23484         * graphite-sese-to-poly.c (extract_affine): Fix assert.
23485         (create_pw_aff_from_tree): Take loop parameter.
23486         (add_condition_to_pbb): Pass loop of the condition to
23487         create_pw_aff_from_tree.
23488
23489 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23490
23491         * config/s390/s390.c (s390_asan_shadow_offset): New function.
23492         (TARGET_ASAN_SHADOW_OFFSET): Redefine.
23493
23494 2017-01-31  Michael Meissner  <meissner@linux.vnet.ibm.com>
23495
23496         PR target/78597
23497         PR target/79038
23498         * config/rs6000/rs6000-protos.h (convert_float128_to_int): Delete,
23499         no longer used.
23500         (convert_int_to_float128): Likewise.
23501         * config/rs6000/rs6000.c (convert_float128_to_int): Likewise.
23502         (convert_int_to_float128): Likewise.
23503         * config/rs6000/rs6000.md (UNSPEC_IEEE128_MOVE): Likewise.
23504         (UNSPEC_IEEE128_CONVERT): Likewise.
23505         (floatsi<mode>2, FLOAT128 iterator): Bypass calling
23506         rs6000_expand_float128_convert if we have IEEE 128-bit hardware.
23507         Use local variables for IBM extended format.
23508         (fix_trunc<mode>si2, FLOAT128 iterator): Likewise.
23509         (fix_trunc<mode>si2_fprs): Likewise.
23510         (fixuns_trunc<IEEE128:mode><SDI:mode>2): Likewise.
23511         (floatuns<IEEE128:mode>2, IEEE128 iterator): Likewise.
23512         (fix<uns>_<mode>si2_hw): Rework the IEEE 128-bt hardware support
23513         to know that we can now have integers of all sizes in vector
23514         registers.
23515         (fix<uns>_<mode>di2_hw): Likewise.
23516         (float<uns>_<mode>si2_hw): Likewise.
23517         (fix_<mode>si2_hw): Likewise.
23518         (fixuns_<mode>si2_hw): Likewise.
23519         (float<uns>_<mode>di2_hw): Likewise.
23520         (float_<mode>di2_hw): Likewise.
23521         (float_<mode>si2_hw): Likewise.
23522         (floatuns_<mode>di2_hw): Likewise.
23523         (floatuns_<mode>si2_hw): Likewise.
23524         (xscvqp<su>wz_<mode>): Delete, no longer used.
23525         (xscvqp<su>dz_<mode>): Likewise.
23526         (xscv<su>dqp_<mode>): Likewise.
23527         (ieee128_mfvsrd_64bit): Likewise.
23528         (ieee128_mfvsrd_32bit): Likewise.
23529         (ieee128_mfvsrwz): Likewise.
23530         (ieee128_mtvsrw): Likewise.
23531         (ieee128_mtvsrd_64bit): Likewise.
23532         (ieee128_mtvsrd_32bit): Likewise.
23533
23534 2017-01-31  Martin Liska  <mliska@suse.cz>
23535
23536         PR ipa/79285
23537         * ipa-prop.c (ipa_free_all_node_params): Call release method
23538         instead of ~sumbol_summary to not to trigger double times
23539         dtor of hash_map.
23540
23541 2017-01-31  Aldy Hernandez  <aldyh@redhat.com>
23542
23543         PR tree-optimization/71691
23544         * bitmap.h (class auto_bitmap): New.
23545         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Call
23546         is_maybe_undefined instead of ssa_undefined_value_p.
23547
23548 2017-01-31  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
23549
23550         * config/s390/s390-c.c (s390_cpu_cpp_builtins_internal): Rename
23551         __S390_ARCH_LEVEL__ to __ARCH__.
23552
23553 2017-01-31  Jakub Jelinek  <jakub@redhat.com>
23554
23555         PR tree-optimization/79267
23556         * value-prof.c (gimple_ic): Only drop lhs for noreturn calls
23557         if should_remove_lhs_p is true.
23558
23559 2017-01-30  Alexandre Oliva <aoliva@redhat.com>
23560
23561         PR debug/63238
23562         * dwarf2out.c (clone_as_declaration): Drop DW_AT_alignment.
23563         (add_alignment_attribute): New.
23564         (base_type_die): Add alignment attribute.
23565         (subrange_type_die): Likewise.
23566         (modified_type_die): Likewise.
23567         (gen_array_type_die): Likewise.
23568         (gen_descr_array_type_die: Likewise.
23569         (gen_enumeration_type_die): Likewise.
23570         (gen_subprogram_die): Likewise.
23571         (gen_variable_die): Likewise.
23572         (gen_field_die): Likewise.
23573         (gen_ptr_to_mbr_type_die): Likewise.
23574         (gen_struct_or_union_type_die): Likewise.
23575         (gen_subroutine_type_die): Likewise.
23576         (gen_typedef_die): Likewise.
23577         (base_type_cmp): Compare alignment attribute.
23578
23579 2017-01-30  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
23580
23581         PR target/79170
23582         * config/rs6000/altivec.md (*setb_internal): Rename to setb_signed.
23583         (setb_unsigned) New pattern for setb with CCUNS.
23584         * config/rs6000/rs6000.c (expand_block_compare): Use a different
23585         subfc./subfe sequence to avoid overflow problems.  Generate a
23586         shorter sequence with cmpld/setb for power9.
23587         * config/rs6000/rs6000.md (subf<mode>3_carry_dot2): Add a new pattern
23588         for generating subfc. instruction.
23589         (cmpstrsi): Add TARGET_POPCNTD predicate as the generate sequence
23590         now uses this instruction.
23591
23592 2017-01-30  Ian Lance Taylor  <iant@google.com>
23593
23594         PR debug/79289
23595         * dwarf2out.c (gen_type_die_with_usage): When picking a variant
23596         for FUNCTION_TYPE/METHOD_TYPE, use the first matching one.
23597
23598 2017-01-30  Martin Sebor  <msebor@redhat.com>
23599
23600         * gimple-ssa-sprintf.c (fmtresult::adjust_for_width_or_precision):
23601         Move constant to the right of a relational operator.
23602         (get_mpfr_format_length, format_character, format_string): Ditto.
23603         (should_warn_p, maybe_warn): Same.
23604
23605         * doc/invoke.texi (-Wformat-truncation=1): Fix typo.
23606
23607 2017-01-30  Maxim Ostapenko  <m.ostapenko@samsung.com>
23608
23609         PR lto/79061
23610         * asan.c (get_translation_unit_decl): Remove function.
23611         (asan_add_global): Force has_dynamic_init to zero in LTO mode.
23612
23613 2017-01-30  Martin Liska  <mliska@suse.cz>
23614
23615         PR gcov-profile/79259
23616         * opts.c (common_handle_option): Enable flag_ipa_bit_cp w/
23617         -fprofile-generate.
23618
23619 2017-01-30  Martin Liska  <mliska@suse.cz>
23620
23621         PR bootstrap/78985
23622         * config/aarch64/cortex-a57-fma-steering.c (func_fma_steering::analyze):
23623         Initialize variables with NULL value.
23624
23625 2017-01-30  Richard Earnshaw  <rearnsh@arm.com>
23626
23627         PR target/79260
23628         * config.gcc (arm*-*-*): Add arm/arm-flags.h and arm/arm-isa.h to
23629         tm_p_file.
23630         * arm/arm-protos.h: Don't directly include arm-flags.h and arm-isa.h.
23631
23632 2017-01-30  Richard Biener  <rguenther@suse.de>
23633
23634         PR tree-optimization/79276
23635         * tree-vrp.c (process_assert_insertions): Properly adjust common
23636         when removing a duplicate.
23637
23638         * gcc.dg/torture/pr79276.c: New testcase.
23639
23640 2017-01-30  Richard Biener  <rguenther@suse.de>
23641
23642         PR tree-optimization/79256
23643         * targhooks.c (default_builtin_vector_alignment_reachable): Honor
23644         BIGGEST_FIELD_ALIGNMENT and ADJUST_FIELD_ALIGN to fix up bogus
23645         alignment on TYPE.
23646         * tree.c (build_aligned_type): Set TYPE_USER_ALIGN.
23647
23648 2017-01-30  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23649
23650         PR target/79240
23651         * config/s390/s390.md ("*r<noxa>sbg_<mode>_srl_bitmask")
23652         ("*r<noxa>sbg_<mode>_sll_bitmask")
23653         ("*extzv_<mode>_srl<clobbercc_or_nocc>")
23654         ("*extzv_<mode>_sll<clobbercc_or_nocc>"):
23655         Use contiguous_bitmask_nowrap_operand.
23656
23657 2017-01-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
23658
23659         PR target/79268
23660         * config/rs6000/altivec.h (vec_xl): Revise #define.
23661         (vec_xst): Likewise.
23662
23663 2017-01-27  Uros Bizjak  <ubizjak@gmail.com>
23664
23665         * config/i386/i386.c (print_reg): Use REGNO instead of true_regnum.
23666
23667 2017-01-27  Bernd Schmidt  <bschmidt@redhat.com>
23668
23669         PR rtl-optimization/79194
23670         * cprop.c (one_cprop_pass): Move deletion of code after unconditional
23671         traps before call to bypass_conditional_jumps.
23672
23673 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23674
23675         PR tree-optimization/71374
23676         * lra-constraints.c (check_conflict_input_operands): New.
23677         (match_reload): Use it.
23678
23679 2017-01-27  Vladimir Makarov  <vmakarov@redhat.com>
23680
23681         PR target/79131
23682         * lra-assigns.c (find_hard_regno_for_1): Take endianess for into
23683         account to calculate conflict_set.
23684
23685 2017-01-27  Bin Cheng  <bin.cheng@arm.com>
23686
23687         PR rtl-optimization/78559
23688         * combine.c (try_combine): Discard REG_EQUAL and REG_EQUIV for
23689         other_insn in combine.
23690
23691 2017-01-27  Pekka Jääskeläinen  <pekka.jaaskelainen@parmance.com>
23692
23693         * builtin-types.def: Use unsigned_char_type_node for BT_UINT8.  Use
23694         uint16_type_node for BT_UINT16.
23695
23696 2017-01-27  David Malcolm  <dmalcolm@redhat.com>
23697
23698         * doc/sourcebuild.texi (Testsuites): Add "GIMPLE Tests" and
23699         "RTL Tests" to menu.
23700         (GIMPLE Tests): New node.
23701         (RTL Tests): New node.
23702
23703 2017-01-27  Richard Biener  <rguenther@suse.de>
23704
23705         PR tree-optimization/79245
23706         * tree-loop-distribution.c (distribute_loop): Apply cost
23707         modeling also to detected patterns.
23708
23709 2017-01-27  Richard Biener  <rguenther@suse.de>
23710
23711         PR tree-optimization/71433
23712         * tree-vrp.c (register_new_assert_for): Revert earlier changes.
23713         (compare_assert_loc): New function.
23714         (process_assert_insertions): Sort and optimize assert locations
23715         to remove duplicates and push down identical assertions on
23716         edges to their destination block.
23717
23718 2017-01-27  Richard Biener  <rguenther@suse.de>
23719
23720         PR tree-optimization/79244
23721         * tree-vrp.c (remove_range_assertions): Forcefully propagate
23722         out SSA names even if abnormal.
23723
23724 2017-01-27  Jakub Jelinek  <jakub@redhat.com>
23725
23726         * realmpfr.h: Poison MPFR_RND{N,Z,U,D}.
23727         * gimple-ssa-sprintf.c (format_floating_max): Use GMP_RNDN
23728         instead of MPFR_RNDN.
23729
23730 2017-01-27  Richard Earnshaw  <rearnsha@arm.com>
23731
23732         PR target/79239
23733         * arm.c (arm_option_override): Don't call build_target_option_node
23734         until after doing all option overrides.
23735         (arm_valid_target_attribute_tree): Likewise.
23736
23737 2017-01-27  Martin Liska  <mliska@suse.cz>
23738
23739         * doc/invoke.texi (-fprofile-arcs): Document profiling support
23740         for {cd}tors and C++ {cd}tors.
23741
23742 2017-01-27  Dominik Vogt  <vogt@linux.vnet.ibm.com>
23743
23744         * config/s390/s390.md ("*setmem_long_and")
23745         ("*setmem_long_and_31z"): Use zero_extend instead of and.
23746
23747 2017-01-26  Martin Sebor  <msebor@redhat.com>
23748
23749         * gimple-ssa-sprintf.c (format_floating): Simplify the computation
23750         of precision.
23751
23752 2017-01-26  Martin Sebor  <msebor@redhat.com>
23753
23754         * gimple-ssa-sprintf.c (format_floating): Test HAVE_XFmode and
23755         HAVE_DFmode before using XFmode or DFmode.
23756         (parse_directive): Avoid using the z length modifier to avoid
23757         the ISO C++98 does not support the ‘z’ gnu_printf length modifier.
23758
23759         PR middle-end/78703
23760         * gimple-ssa-sprintf.c (adjust_for_width_or_precision): Change
23761         to accept adjustment as an array.
23762         (get_int_range): New function.
23763         (struct directive): Make width and prec arrays.
23764         (directive::set_width, directive::set_precision): Call get_int_range.
23765         (format_integer, format_floating): Handle width and precision ranges.
23766         (format_string, parse_directive): Same.
23767
23768 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23769
23770         PR debug/79129
23771         * dwarf2out.c (generate_skeleton_bottom_up): For children with
23772         comdat_type_p set, just clone them, but keep the children in the
23773         original DIE.
23774
23775         PR debug/78835
23776         * dwarf2out.c (prune_unused_types): Mark all functions with DIEs
23777         which have direct callers with -fvar-tracking-assignments enabled
23778         in the current TU.
23779         (resolve_addr): Avoid adding skeleton DIEs for DW_AT_call_origin
23780         inside of type units.
23781
23782 2017-01-26  Martin Sebor  <msebor@redhat.com>
23783
23784         PR middle-end/78703
23785         * gimple-ssa-sprintf.c (struct result_range): Add likely and
23786         unlikely counters.
23787         (struct format_result): Replace number_chars, number_chars_min,
23788         and number_chars_max with a single member of struct result_range.
23789         Remove bounded.
23790         (format_result::operator+=): Adjust.
23791         (struct fmtresult): Remove bounded.  Handle likely and unlikely
23792         counters.
23793         (fmtresult::adjust_for_width_or_precision): New function.
23794         (fmtresult:type_max_digits): New function.
23795         (bytes_remaining): Handle likely and unlikely counters.
23796         (min_bytes_remaining): Remove.
23797         (format_percent): Simplify.
23798         (format_integer, format_floating): Set likely and unlikely counters.
23799         (get_string_length, format_character, format_string): Same.
23800         (format_plain, should_warn_p): New function.
23801         (maybe_warn): Call should_warn_p.  Update diagnostic messages
23802         and handle those for all directives, including plain strings.
23803         (format_directive): Handle likely and unlikely counters.
23804         Remove unnecessary quoting from diagnostics.  Add an informational
23805         note.
23806         (add_bytes): Remove.
23807         (pass_sprintf_length::compute_format_length): Simplify.
23808         (try_substitute_return_value): Handle likely and unlikely counters.
23809
23810 2017-01-26  Carl Love  <cel@us.ibm.com>
23811
23812         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Remove
23813         bogus entries for the P8V_BUILTIN_VEC_VGBBD built-ins
23814
23815 2017-01-26  Vladimir Makarov  <vmakarov@redhat.com>
23816
23817         PR target/79131
23818         * lra-assigns.c (setup_live_pseudos_and_spill_after_risky): Take
23819         endianess for subregs into account.
23820         * lra-constraints.c (lra_constraints): Do risky transformations
23821         always on the first iteration.
23822         * lra-lives.c (check_pseudos_live_through_calls): Add arg
23823         last_call_used_reg_set.
23824         (process_bb_lives): Define and use last_call_used_reg_set.
23825         * lra.c (lra): Always continue after lra_constraints on the first
23826         iteration.
23827
23828 2017-01-26  Kirill Yukhin  <kirill.yukhin@gmail.com>
23829
23830         * gcc.target/i386/avx512bw-kshiftlq-2.c: Use unsigned long long
23831         constant.
23832         * gcc.target/i386/avx512bw-kshiftrq-2.c: Ditto.
23833
23834 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23835
23836         * config/i386/avx512fintrin.h (_ktest_mask16_u8,
23837         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): Move to ...
23838         * config/i386/avx512dqintrin.h (_ktest_mask16_u8,
23839         _ktestz_mask16_u8, _ktestc_mask16_u8, _kadd_mask16): ... here.
23840         * config/i386/i386-builtin.def (__builtin_ia32_ktestchi,
23841         __builtin_ia32_ktestzhi, __builtin_ia32_kaddhi): Use
23842         OPTION_MASK_ISA_AVX512DQ instead of OPTION_MASK_ISA_AVX512F.
23843         * config/i386/sse.md (SWI1248_AVX512BWDQ2): New mode iterator.
23844         (kadd<mode>, ktest<mode>): Use it instead of SWI1248_AVX512BWDQ.
23845
23846 2017-01-26  Marek Polacek  <polacek@redhat.com>
23847
23848         PR c/79199
23849         * fold-const.c (operand_equal_p) [COND_EXPR]: Use OP_SAME_WITH_NULL
23850         for the third operand.
23851
23852 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23853
23854         PR middle-end/79236
23855         * omp-low.c (struct omp_context): Add simt_stmt field.
23856         (scan_omp_for): Return omp_context *.
23857         (scan_omp_simd): Set simt_stmt on the non-_simt_ SIMD
23858         context to the _simt_ SIMD stmt.
23859         (lower_omp_for): For combined SIMD with sibling _simt_
23860         SIMD, make sure to use the same decls in _looptemp_
23861         clauses as in the sibling.
23862
23863 2017-01-26  David Sherwood  <david.sherwood@arm.com>
23864
23865         PR middle-end/79212
23866         * gimplify.c (omp_notice_variable): Add GOVD_SEEN flag to variables in
23867         all contexts.
23868
23869 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
23870
23871         PR target/70465
23872         * reg-stack.c (emit_swap_insn): Instead of fld a; fld b; fxchg %st(1);
23873         emit fld b; fld a; if possible.
23874
23875         * brig-builtins.def: Update copyright years.
23876         * config/arm/arm_acle_builtins.def: Update copyright years.
23877
23878 2017-01-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
23879
23880         PR target/79179
23881         * config/rs6000/vsx.md (vsx_extract_<mode>_store): Use wY
23882         constraint instead of o for the stxsd instruction.
23883
23884 2017-01-25  Carl Love  <cel@us.ibm.com>
23885
23886         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Fix order
23887         of entries for ALTIVEC_BUILTIN_VEC_PACKS and P8V_BUILTIN_VEC_VGBBD.
23888
23889 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
23890
23891         * doc/invoke.texi (C++ Dialect Options): Fix typo.
23892
23893 2017-01-25  Richard Biener  <rguenther@suse.de>
23894
23895         PR tree-optimization/69264
23896         * target.def (vector_alignment_reachable): Improve documentation.
23897         * doc/tm.texi: Regenerate.
23898         * targhooks.c (default_builtin_vector_alignment_reachable): Simplify
23899         and add a comment.
23900         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Revert
23901         earlier changes with respect to TYPE_USER_ALIGN.
23902         (vector_alignment_reachable_p): Likewise.  Improve dumping.
23903
23904 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23905
23906         PR target/79145
23907         * config/arm/arm.md (xordi3): Force constant operand into a register
23908         for TARGET_IWMMXT.
23909
23910 2016-01-25  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
23911
23912         * doc/invoke.texi (-fstore-merging): Correct default optimization
23913         levels at which it is enabled.
23914         (-O): Move -fstore-merging from list to...
23915         (-O2): ... Here.
23916
23917 2017-01-25  Richard Biener  <rguenther@suse.de>
23918
23919         PR debug/78363
23920         * omp-expand.c: Include debug.h.
23921         (expand_omp_taskreg): Make sure to generate early debug before
23922         outlining anything from a function.
23923         (expand_omp_target): Likewise.
23924         (grid_expand_target_grid_body): Likewise.
23925
23926 2017-01-25  Maxim Ostapenko  <m.ostapenko@samsung.com>
23927
23928         PR lto/79061
23929         * asan.c (get_translation_unit_decl): New function.
23930         (asan_add_global): Extract modules file name from globals
23931         TRANSLATION_UNIT_DECL name.
23932
23933 2017-01-24  Eric Botcazou  <ebotcazou@adacore.com>
23934
23935         PR target/77439
23936         * config/arm/arm.c (arm_function_ok_for_sibcall): Add back restriction
23937         for long calls with APCS frame and VFP.
23938
23939 2017-01-24  David Malcolm  <dmalcolm@redhat.com>
23940
23941         * cfg.c (original_copy_tables_initialized_p): New function.
23942         * cfg.h (original_copy_tables_initialized_p): New decl.
23943         * cfgrtl.c (relink_block_chain): Guard the call to
23944         free_original_copy_tables with a call to
23945         original_copy_tables_initialized_p.
23946         * cgraph.h (symtab_node::native_rtl_p): New decl.
23947         * cgraphunit.c (symtab_node::native_rtl_p): New function.
23948         (symtab_node::needed_p): Don't assert for early assembly output
23949         for __RTL functions.
23950         (cgraph_node::finalize_function): Set "force_output" for __RTL
23951         functions.
23952         (cgraph_node::analyze): Bail out early for __RTL functions.
23953         (analyze_functions): Update assertion to support __RTL functions.
23954         (cgraph_node::expand): Bail out early for __RTL functions.
23955         * final.c (rest_of_clean_state): Don't call delete_tree_ssa for
23956         __RTL functions.
23957         * function.h (struct function): Update comment for field
23958         "pass_startwith".
23959         * gimple-expr.c: Include "tree-pass.h".
23960         (gimple_has_body_p): Return false for __RTL functions.
23961         * Makefile.in (OBJS): Add run-rtl-passes.o.
23962         * pass_manager.h (gcc::pass_manager::get_rest_of_compilation): New
23963         accessor.
23964         (gcc::pass_manager::get_clean_slate): New accessor.
23965         * passes.c: Include "insn-addr.h".
23966         (should_skip_pass_p): Add logging.  Update logic for running
23967         "expand" to be compatible with both __GIMPLE and __RTL.  Guard
23968         property-provider override so it is only done for gimple passes.
23969         Don't skip dfinit.
23970         (skip_pass): New function.
23971         (execute_one_pass): Call skip_pass when skipping passes.
23972         * read-md.c (md_reader::read_char): Support filtering
23973         the input to a subset of line numbers.
23974         (md_reader::md_reader): Initialize fields
23975         m_first_line and m_last_line.
23976         (md_reader::read_file_fragment): New function.
23977         * read-md.h (md_reader::read_file_fragment): New decl.
23978         (md_reader::m_first_line): New field.
23979         (md_reader::m_last_line): New field.
23980         * read-rtl-function.c (function_reader::create_function): Only
23981         create cfun if it doesn't already exist.  Set PROP_rtl on cfun's
23982         curr_properties.  Set DECL_INITIAL to a dummy block.
23983         (read_rtl_function_body_from_file_range): New function.
23984         * read-rtl-function.h (read_rtl_function_body_from_file_range):
23985         New decl.
23986         * run-rtl-passes.c: New file.
23987         * run-rtl-passes.h: New file.
23988
23989 2017-01-24  Jeff Law  <law@redhat.com>
23990
23991         * config/microblaze/microblaze.h (ASM_FORMAT_PRIVATE_NAME): Increase
23992         buffer size.
23993
23994 2017-01-24  Bin Cheng  <bin.cheng@arm.com>
23995
23996         PR tree-optimization/79159
23997         * tree-ssa-loop-niter.c (get_cst_init_from_scev): New function.
23998         (record_nonwrapping_iv): Improve boundary using above function if no
23999         value range information.
24000
24001 2017-01-24  Pekka Jääskeläinen  <pekka@parmance.com>
24002             Martin Jambor  <mjambor@suse.cz>
24003
24004         * brig-builtins.def: New file.
24005         * builtins.def (DEF_HSAIL_BUILTIN): New macro.
24006         (DEF_HSAIL_ATOMIC_BUILTIN): Likewise.
24007         (DEF_HSAIL_SAT_BUILTIN): Likewise.
24008         (DEF_HSAIL_INTR_BUILTIN): Likewise.
24009         (DEF_HSAIL_CVT_ZEROI_SAT_BUILTIN): Likewise.
24010         * builtin-types.def (BT_INT8): New.
24011         (BT_INT16): Likewise.
24012         (BT_UINT8): Likewise.
24013         (BT_UINT16): Likewise.
24014         (BT_FN_ULONG): Likewise.
24015         (BT_FN_UINT_INT): Likewise.
24016         (BT_FN_UINT_ULONG): Likewise.
24017         (BT_FN_UINT_LONG): Likewise.
24018         (BT_FN_UINT_PTR): Likewise.
24019         (BT_FN_ULONG_PTR): Likewise.
24020         (BT_FN_INT8_FLOAT): Likewise.
24021         (BT_FN_INT16_FLOAT): Likewise.
24022         (BT_FN_UINT32_FLOAT): Likewise.
24023         (BT_FN_UINT16_FLOAT): Likewise.
24024         (BT_FN_UINT8_FLOAT): Likewise.
24025         (BT_FN_UINT64_FLOAT): Likewise.
24026         (BT_FN_UINT16_UINT32): Likewise.
24027         (BT_FN_UINT32_UINT16): Likewise.
24028         (BT_FN_UINT16_UINT16_UINT16): Likewise.
24029         (BT_FN_INT_PTR_INT): Likewise.
24030         (BT_FN_UINT_PTR_UINT): Likewise.
24031         (BT_FN_LONG_PTR_LONG): Likewise.
24032         (BT_FN_ULONG_PTR_ULONG): Likewise.
24033         (BT_FN_VOID_UINT64_UINT64): Likewise.
24034         (BT_FN_UINT8_UINT8_UINT8): Likewise.
24035         (BT_FN_INT8_INT8_INT8): Likewise.
24036         (BT_FN_INT16_INT16_INT16): Likewise.
24037         (BT_FN_INT_INT_INT): Likewise.
24038         (BT_FN_UINT_FLOAT_UINT): Likewise.
24039         (BT_FN_FLOAT_UINT_UINT): Likewise.
24040         (BT_FN_ULONG_UINT_UINT): Likewise.
24041         (BT_FN_ULONG_UINT_PTR): Likewise.
24042         (BT_FN_ULONG_ULONG_ULONG): Likewise.
24043         (BT_FN_UINT_UINT_UINT): Likewise.
24044         (BT_FN_VOID_UINT_PTR): Likewise.
24045         (BT_FN_UINT_UINT_PTR: Likewise.
24046         (BT_FN_UINT32_UINT64_PTR): Likewise.
24047         (BT_FN_INT_INT_UINT_UINT): Likewise.
24048         (BT_FN_UINT_UINT_UINT_UINT): Likewise.
24049         (BT_FN_UINT_UINT_UINT_PTR): Likewise.
24050         (BT_FN_UINT_ULONG_ULONG_UINT): Likewise.
24051         (BT_FN_ULONG_ULONG_ULONG_ULONG): Likewise.
24052         (BT_FN_LONG_LONG_UINT_UINT): Likewise.
24053         (BT_FN_ULONG_ULONG_UINT_UINT): Likewise.
24054         (BT_FN_VOID_UINT32_UINT64_PTR): Likewise.
24055         (BT_FN_VOID_UINT32_UINT32_PTR): Likewise.
24056         (BT_FN_UINT_UINT_UINT_UINT_UINT): Likewise.
24057         (BT_FN_UINT_FLOAT_FLOAT_FLOAT_FLOAT): Likewise.
24058         (BT_FN_ULONG_ULONG_ULONG_UINT_UINT): Likewise.
24059         * doc/frontends.texi: List BRIG FE.
24060         * doc/install.texi (Testing): Add BRIG tesring requirements.
24061         * doc/invoke.texi (Overall Options): Mention BRIG.
24062         * doc/standards.texi (Standards): Doucment BRIG HSA version.
24063
24064 2017-01-24  Richard Biener  <rguenther@suse.de>
24065
24066         PR translation/79208
24067         * ipa-devirt.c (odr_types_equivalent_p): Fix typo in diagnostic.
24068
24069 2017-01-24  Martin Jambor  <mjambor@suse.cz>
24070
24071         PR bootstrap/79198
24072         * ipa-prop.c (ipa_free_all_node_params): Call summary destructor.
24073         * ipa-prop.c (ipa_node_params_t::insert): Initialize fields known_csts
24074         and known_contexts.
24075
24076 2017-01-24  Aldy Hernandez  <aldyh@redhat.com>
24077
24078         PR middle-end/79123
24079         * gimple-ssa-warn-alloca.c (alloca_call_type): Make sure
24080         casts from signed to unsigned really don't have a range.
24081
24082 2017-01-24  Markus Trippelsdorf  <markus@trippelsdorf.de>
24083
24084         * gimple-ssa-sprintf.c (format_floating): Change MPFR_RNDx to
24085         GMP_RNDx for compatiblity.
24086
24087 2017-01-24  Martin Liska  <mliska@suse.cz>
24088
24089         PR bootstrap/79132
24090         * tree-ssa-reassoc.c (rewrite_expr_tree_parallel): Insert assert
24091         that would prevent us to call alloca with -1 as argument.
24092
24093 2017-01-24  Jakub Jelinek  <jakub@redhat.com>
24094
24095         * dwarf2out.c (output_compilation_unit_header, output_file_names):
24096         Avoid -Wformat-security warning.
24097
24098 2017-01-23  Andrew Pinski  <apinski@cavium.com>
24099
24100         * config/aarch64/aarch64.c (thunderx2t99_addrcost_table): Improve
24101         cost table.
24102
24103 2017-01-23  Martin Sebor  <msebor@redhat.com>
24104
24105         PR middle-end/78703
24106         * gimple-ssa-sprintf.c (warn_level): New global.
24107         (format_integer): Use it here and throughout the rest of the file.
24108         Use the same switch to compute sign as base.
24109         (maybe_warn): New function.
24110         (format_directive): Factor out warnings into maybe_warn.
24111         Add debugging output.  Use warn_level.
24112         (add_bytes): Use warn_level.
24113         (pass_sprintf_length::compute_format_length): Add debugging output.
24114         (try_substitute_return_value): Same.
24115         (pass_sprintf_length::handle_gimple_call): Set and use warn_level.
24116
24117         PR middle-end/78703
24118         * gimple-ssa-sprintf.c (struct format_result): Remove constant member.
24119         (struct fmtresult, format_integer, format_floating): Adjust.
24120         (fmtresult::fmtresult): Set max correctly in two argument ctor.
24121         (get_string_length, format_string,format_directive): Same.
24122         (pass_sprintf_length::compute_format_length): Same.
24123         (try_substitute_return_value): Simplify slightly.
24124
24125         PR middle-end/78703
24126         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust formatting.
24127         (fmtresult::operator+=): Outlined.
24128         (struct fmtresult): Add ctors.
24129         (struct conversion_spec): Rename...
24130         (struct directive): ...to this.  Add and remove data members.
24131         (directive::set_width, directive::set_precision): New functions.
24132         (format_percent): Use fmtresult ctor.
24133         (get_width_and_precision): Remove.
24134         (format_integer): Make naming changes.  Avoid computing width and
24135         precision.
24136         (format_floating): Same.  Adjust indentation.
24137         (format_character, format_none): New functions.
24138         (format_string): Moved character handling to format_character.
24139         (format_directive): Remove arguments, change return type.
24140         (parse_directive): New function.
24141         (pass_sprintf_length::compute_format_length): Move directive
24142         parsing to parse_directive.
24143
24144 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24145
24146         * tree.h (assign_assembler_name_if_neeeded): Rename to ...
24147         (assign_assembler_name_if_needed): ... this.
24148         * tree.c (assign_assembler_name_if_neeeded): Rename to ...
24149         (assign_assembler_name_if_needed): ... this.
24150         (free_lang_data_in_cgraph): Adjust callers.
24151         * cgraphunit.c (cgraph_node::analyze): Likewise.
24152         * omp-expand.c (expand_omp_taskreg, expand_omp_target):
24153         Likewise.
24154
24155 2017-01-23  Richard Biener  <rguenther@suse.de>
24156
24157         PR tree-optimization/79088
24158         PR tree-optimization/79188
24159         * tree-ssa-threadupdate.c (mark_threaded_blocks): Move code
24160         resetting loop bounds after last path deletion.  Reset loop
24161         bounds of the target loop, make code match the comments.
24162         * tree-ssa-threadbackwards.c (pass_early_thread_jumps::execute):
24163         Make sure loops need no fixups.
24164
24165 2017-01-23  Kelvin Nilsen  <kelvin@gcc.gnu.org>
24166
24167         * config/rs6000/rs6000-builtin.def (VSIEDPF): Add scalar insert
24168         exponent support with double type for first argument.
24169         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Changed
24170         type returned by __builtin_vec_extract_sig,
24171         __builtin_vec_extract_sig_sp, and __builtin_vec_extract_sig_dp
24172         functions from "vector int" to "vector unsigned int" or from
24173         "vector long long int" to "vector unsigned long long int".
24174         Changed type returned by __builtin_vec_extract_exp,
24175         __builtin_vec_extract_exp_sp, and __builtin_vec_extract_exp_dp
24176         functions from "vector int" to "vector unsigned int" or from
24177         "vector long long int" to "vector unsigned long long int".
24178         Changed return type of __builtin_vec_test_data_class,
24179         __builtin_vec_test_data_class_sp, and
24180         __builtin_vec_test_data_class_dp from "vector int" to
24181         "vector bool int" or from "vector long long int" to "vector bool
24182         long long int" and changed second argument type from "unsigned
24183         int" to "int".  Added new overloaded function forms "vector float
24184         __builtin_vec_insert_exp (vector float, vector unsigned int)" and
24185         "vector float __builtin_vec_insert_exp_sp (vector float, vector
24186         unsigned int)" and "vector double __builtin_vec_insert_exp (vector
24187         double, vector unsigned long long int)" and "vector double
24188         __builtin_vec_insert_exp_dp (vector double, vector unsigned long
24189         long int)".  Changed return type of
24190         __builtin_scalar_test_data_class and
24191         __builtin_scalar_test_data_class_sp and
24192         __builtin_scalar_test_data_class_dp from "unsigned int" to "bool
24193         int" and changed second argument from "unsigned int" to "int".
24194         Changed type returned by __builtin_scalar_test_neg,
24195         __builtin_scalar_test_neg_sp, and __builtin_scalar_test_neg_dp
24196         from "int" to "bool int".  Added new overloaded function form
24197         "double __builtin_scalar_insert_exp (double, unsigned long long int)".
24198         * config/rs6000/vsx.md (xsiexpdpf): New insn for scalar insert
24199         exponent double-precision with floating point first argument.
24200         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Adjust
24201         documentation of scalar_test_data_class, scalar_test_neg,
24202         scalar_extract_sig, scalar_extract_exp, scalar_insert_exp,
24203         vector_extract_exp, vec_extract_sig, vec_insert_exp, and
24204         vec_test_data_class built-in functions to reflect refinements in
24205         their type signatures.
24206
24207 2017-01-23  Andreas Tobler  <andreast@gcc.gnu.org>
24208
24209         * config/aarch64/aarch64.c (aarch64_elf_asm_constructor): Increase
24210         size of buf.
24211         (aarch64_elf_asm_destructor): Likewise.
24212
24213 2017-01-23  Bernd Schmidt  <bschmidt@redhat.com>
24214
24215         PR rtl-optimization/78634
24216         * config/i386/i386.c (ix86_max_noce_ifcvt_seq_cost): New function.
24217         (TARGET_MAX_NOCE_IFCVT_SEQ_COST): Define.
24218         * ifcvt.c (noce_try_cmove): Add missing cost check.
24219
24220         PR rtl-optimization/71724
24221         * combine.c (if_then_else_cond): Look for situations where it is
24222         beneficial to undo the work of one of the recursive calls.
24223
24224 2017-01-23  Bin Cheng  <bin.cheng@arm.com>
24225
24226         PR tree-optimization/70754
24227         * tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
24228         (reassociate_to_the_same_stmt): New parameter INSERT_BEFORE.  Insert
24229         combined stmt before it if not NULL.
24230         (combine_chains): Process refs reversely and compute dominance point
24231         for root ref.
24232
24233 2017-01-23  Martin Liska  <mliska@suse.cz>
24234
24235         PR tree-optimization/79196
24236         * tree-ssa-strlen.c (fold_strstr_to_memcmp): Rename to ...
24237         (fold_strstr_to_strncmp): ... this.  Fold the pattern to strncmp
24238         instead of memcmp.
24239         (strlen_optimize_stmt): Call the renamed function.
24240
24241 2017-01-23  Michael Matz  <matz@suse.de>
24242
24243         PR tree-optimization/78384
24244         * tree-ssa-loop-split.c (patch_loop_exit): Use correct edge.
24245
24246 2017-01-23  Richard Biener  <rguenther@suse.de>
24247
24248         PR tree-optimization/79186
24249         * tree-vrp.c (register_new_assert_for): Make sure we've seen
24250         both incoming edges before moving an assert.
24251
24252 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24253
24254         * ipa-prop.c (load_from_param_1): Removed.
24255         (load_from_unmodified_param): Bits from load_from_param_1 put back
24256         here.
24257         (load_from_param): Removed.
24258         (compute_complex_assign_jump_func): Removed stmt2 and just replaced it
24259         with stmt.  Reverted back to use of load_from_unmodified_param.
24260
24261 2017-01-23  Martin Jambor  <mjambor@suse.cz>
24262
24263         PR ipa/79108
24264         * ipa-prop.h (ipa_param_descriptor): Anotate with with GTY(()).
24265         (ipa_node_params): Annotate with GTY((for_user)).  Make descriptors
24266         field a pointer to garbage collected vector, mark lattices and
24267         ipcp_orig_node with GTY((skip)).
24268         (ipa_get_param_count): Adjust to descriptors being a pointer.
24269         (ipa_get_param): Likewise.
24270         (ipa_get_type): Likewise.
24271         (ipa_get_param_move_cost): Likewise.
24272         (ipa_set_param_used): Likewise.
24273         (ipa_get_controlled_uses): Likewise.
24274         (ipa_set_controlled_uses): Likewise.
24275         (ipa_is_param_used): Likewise.
24276         (ipa_node_params_t): Move into garbage collector.  New methods insert
24277         and remove.
24278         (ipa_node_params_sum): Annotate wth GTY(()).
24279         (ipa_check_create_node_params): Adjust to ipa_node_params_sum being
24280         garbage collected.
24281         (ipa_load_from_parm_agg): Adjust declaration.
24282         * ipa-icf.c (param_used_p): Adjust to descriptors being a pointer.
24283         * ipa-profile.c (ipa_profile): Likewise.
24284         * ipa-prop.c (ipa_get_param_decl_index_1): Likewise.
24285         (ipa_populate_param_decls): Make descriptors parameter garbage
24286         collected.
24287         (ipa_dump_param): Adjust to descriptors being a pointer.
24288         (ipa_alloc_node_params): Likewise.
24289         (ipa_initialize_node_params): Likewise.
24290         (load_from_param_1): Make descriptors parameter garbage collected.
24291         (load_from_unmodified_param): Likewise.
24292         (load_from_param): Likewise.
24293         (ipa_load_from_parm_agg): Likewise.
24294         (ipa_node_params::~ipa_node_params): Removed.
24295         (ipa_free_all_node_params): Remove call to delete operator.
24296         (ipa_node_params_t::insert): New.
24297         (ipa_node_params_t::remove): Likewise.
24298         (ipa_node_params_t::duplicate): Adjust to descriptors being a pointer,
24299         copy known_csts and known_contexts vectors.
24300         (ipa_read_node_info): Adjust to descriptors being a pointer.
24301         (ipcp_modif_dom_walker): Make m_descriptors field garbage
24302         collected.
24303         (ipcp_transform_function): Make descriptors variable garbage
24304         collected.
24305
24306 2017-01-23  Andrew Senkevich  <andrew.senkevich@intel.com>
24307
24308         * config/i386/avx512bwintrin.h: Add k-mask test, kortest intrinsics.
24309         * config/i386/avx512dqintrin.h: Ditto.
24310         * config/i386/avx512fintrin.h: Ditto.
24311         * config/i386/i386.c: Handle new builtins.
24312         * config/i386/i386-builtin.def: Add new builtins.
24313         * config/i386/sse.md (ktest<mode>, kortest<mode>): New.
24314         (UNSPEC_KORTEST, UNSPEC_KTEST): New.
24315
24316 2017-01-23  Jakub Jelinek  <jakub@redhat.com>
24317             Martin Liska  <mliska@suse.cz>
24318
24319         * asan.h: Define ASAN_USE_AFTER_SCOPE_ATTRIBUTE.
24320         * asan.c (asan_expand_poison_ifn): Support stores and use
24321         appropriate ASAN report function.
24322         * internal-fn.c (expand_ASAN_POISON_USE): New function.
24323         * internal-fn.def (ASAN_POISON_USE): Declare.
24324         * tree-into-ssa.c (maybe_add_asan_poison_write): New function.
24325         (maybe_register_def): Create ASAN_POISON_USE when sanitizing.
24326         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Remove
24327         ASAN_POISON calls w/o LHS.
24328         * tree-ssa.c (execute_update_addresses_taken): Create clobber
24329         for ASAN_MARK (UNPOISON, &x, ...) in order to prevent usage of a LHS
24330         from ASAN_MARK (POISON, &x, ...) coming to a PHI node.
24331         * gimplify.c (asan_poison_variables): Add attribute
24332         use_after_scope_memory to variables that really needs to live
24333         in memory.
24334         * tree-ssa.c (is_asan_mark_p): Do not rewrite into SSA when
24335         having the attribute.
24336
24337 2017-01-23  Martin Liska  <mliska@suse.cz>
24338
24339         * asan.c (create_asan_shadow_var): New function.
24340         (asan_expand_poison_ifn): Likewise.
24341         * asan.h (asan_expand_poison_ifn): New declaration.
24342         * internal-fn.c (expand_ASAN_POISON): Likewise.
24343         * internal-fn.def (ASAN_POISON): New builtin.
24344         * sanopt.c (pass_sanopt::execute): Expand
24345         asan_expand_poison_ifn.
24346         * tree-inline.c (copy_decl_for_dup_finish): Make function
24347         external.
24348         * tree-inline.h (copy_decl_for_dup_finish): Likewise.
24349         * tree-ssa.c (is_asan_mark_p): New function.
24350         (execute_update_addresses_taken): Rewrite local variables
24351         (identified just by use-after-scope as addressable) into SSA.
24352
24353 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24354
24355         * doc/install.texi (Specific): opensource.apple.com uses https
24356         now. Remove trailing slash.
24357
24358 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
24359
24360         * README.Portability: Remove note on an Irix compatibility issue.
24361
24362 2017-01-22  Dimitry Andric <dim@FreeBSD.org>
24363
24364         * gcov.c (INCLUDE_ALGORITHM): Define.
24365         (INCLUDE_VECTOR): Define.
24366         No longer include <vector> and <algorithm> directly.
24367
24368 2017-01-21  Gerald Pfeifer  <gerald@pfeifer.com>
24369
24370         * doc/extend.texi (Thread-Local): Change www.akkadia.org reference
24371         to https.
24372         * doc/invoke.texi (Code Gen Options): Ditto.
24373
24374 2017-01-21  Jan Hubicka  <hubicka@ucw.cz>
24375
24376         PR lto/78407
24377         * cfg.c (update_bb_profile_for_threading): Fix updating of probablity.
24378
24379 2017-01-21  Bernd Schmidt  <bschmidt@redhat.com>
24380
24381         rtl-optimization/79125
24382         * cprop.c (local_cprop_pass): Handle cases where we make an
24383         unconditional trap.
24384
24385 2017-01-20  Segher Boessenkool  <segher@kernel.crashing.org>
24386
24387         PR target/61729
24388         PR target/77850
24389         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to
24390         read from, for big endian.
24391
24392 2017-01-20  Jiong Wang  <jiong.wang@arm.com>
24393
24394         * config/aarch64/aarch64-builtins.c (aarch64_init_builtins): Register
24395         register pauth builtins for LP64 only.
24396
24397 2017-01-20  Marek Polacek  <polacek@redhat.com>
24398
24399         PR c/79152
24400         * gimplify.c (should_warn_for_implicit_fallthrough): Handle consecutive
24401         non-case labels.
24402
24403 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24404
24405         * omp-expand.c (expand_omp_simd): Clear PROP_gimple_lomp_dev regardless
24406         of safelen status.
24407         * omp-offload.c (pass_omp_device_lower::gate): Use PROP_gimple_lomp_dev.
24408         * passes.c (dump_properties): Handle PROP_gimple_lomp_dev.
24409         * tree-inline.c (expand_call_inline): Propagate PROP_gimple_lomp_dev.
24410
24411 2017-01-20  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24412
24413         PR target/71270
24414         * config/arm/arm.c (neon_valid_immediate): Reject vector constants
24415         in big-endian mode when they are not a single duplicated value.
24416
24417 2017-01-20  Richard Biener  <rguenther@suse.de>
24418
24419         * BASE-VER: Bump to 7.0.1.
24420
24421 2017-01-20  Alexander Monakov  <amonakov@ispras.ru>
24422
24423         * omp-low.c (omplow_simd_context): New struct.  Use it...
24424         (lower_rec_simd_input_clauses): ...here and...
24425         (lower_rec_input_clauses): ...here to hold common data.  Adjust all
24426         references to idx, lane, max_vf, is_simt.
24427
24428 2017-01-20  Graham Markall  <graham.markall@embecosm.com>
24429
24430         * config/arc/arc.h (LINK_SPEC): Use arclinux_nps emulation when
24431         mcpu=nps400.
24432
24433 2017-01-20  Martin Jambor  <mjambor@suse.cz>
24434
24435         * hsa.h: Renaed to hsa-common.h.  Adjusted a comment.
24436         * hsa.c: Renaed to hsa-common.c.  Change include of gt-hsa.h to
24437         gt-hsa-common.h.
24438         * Makefile.in (OBJS): Rename hsa.o to hsa-common.o.
24439         (GTFILES): Rename hsa.c to hsa-common.c.
24440         * hsa-brig.c: Change include of hsa.h to hsa-common.h.
24441         * hsa-dump.c: Likewise.
24442         * hsa-gen.c: Likewise.
24443         * hsa-regalloc.c: Likewise.
24444         * ipa-hsa.c: Likewise.
24445         * omp-expand.c: Likewise.
24446         * omp-low.c: Likewise.
24447         * toplev.c: Likewise.
24448
24449 2017-01-20  Marek Polacek  <polacek@redhat.com>
24450
24451         PR c/64279
24452         * doc/invoke.texi: Document -Wduplicated-branches.
24453         * fold-const.c (operand_equal_p): Handle MODIFY_EXPR, INIT_EXPR,
24454         COMPOUND_EXPR, PREDECREMENT_EXPR, PREINCREMENT_EXPR,
24455         POSTDECREMENT_EXPR, POSTINCREMENT_EXPR, CLEANUP_POINT_EXPR, EXPR_STMT,
24456         STATEMENT_LIST, and RETURN_EXPR.  For non-pure non-const functions
24457         return 0 only when not OEP_LEXICOGRAPHIC.
24458         (fold_build_cleanup_point_expr): Use the expression
24459         location when building CLEANUP_POINT_EXPR.
24460         * tree-core.h (enum operand_equal_flag): Add OEP_LEXICOGRAPHIC.
24461         * tree.c (add_expr): Handle error_mark_node.
24462
24463 2017-01-20  Martin Liska  <mliska@suse.cz>
24464
24465         PR lto/69188
24466         * tree-profile.c (init_ic_make_global_vars): Do not call
24467         finalize_decl.
24468         (gimple_init_gcov_profiler): Likewise.
24469
24470 2017-01-20  Martin Liska  <mliska@suse.cz>
24471
24472         PR ipa/71190
24473         * cgraph.h (maybe_create_reference): Remove argument and
24474         update comment.
24475         * cgraphclones.c (cgraph_node::create_virtual_clone): Remove one
24476         argument.
24477         * ipa-cp.c (create_specialized_node): Likewise.
24478         * symtab.c (symtab_node::maybe_create_reference): Handle
24479         VAR_DECLs and ADDR_EXPRs and select ipa_ref_use type.
24480
24481 2017-01-20  Martin Liska  <mliska@suse.cz>
24482
24483         * read-rtl-function.c (function_reader::create_function): Use
24484         build_decl instread of build_decl_stat.
24485
24486 2017-01-20  Andrew Senkevich  <andrew.senkevich@intel.com>
24487
24488         * config/i386/avx512bwintrin.h: Add k-mask registers shift intrinsics.
24489         * config/i386/avx512dqintrin.h: Ditto.
24490         * config/i386/avx512fintrin.h: Ditto.
24491         * config/i386/i386-builtin-types.def: Add new types.
24492         * config/i386/i386.c: Handle new types.
24493         * config/i386/i386-builtin.def (__builtin_ia32_kshiftliqi)
24494         (__builtin_ia32_kshiftlihi, __builtin_ia32_kshiftlisi)
24495         (__builtin_ia32_kshiftlidi, __builtin_ia32_kshiftriqi)
24496         (__builtin_ia32_kshiftrihi, __builtin_ia32_kshiftrisi)
24497         (__builtin_ia32_kshiftridi): New.
24498         * config/i386/sse.md (k<code><mode>): Rename *k<code><mode>.
24499
24500 2017-01-19  Segher Boessenkool  <segher@kernel.crashing.org>
24501
24502         PR target/78875
24503         PR target/79140
24504         * config/rs6000/rs6000.c (TARGET_STACK_PROTECT_GUARD): Unconditionally
24505         define to rs6000_init_stack_protect_guard.
24506         (rs6000_init_stack_protect_guard): New function.
24507
24508 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24509             Yunqiang Su  <yunqiang.su@imgtec.com>
24510
24511         * config.gcc (supported_defaults): Add madd4.
24512         (with_madd4): Add validation.
24513         (all_defaults): Add madd4.
24514         * config/mips/mips.opt (mmadd4): New option.
24515         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24516         mmadd4.
24517         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24518         __mips_no_madd4.
24519         (ISA_HAS_UNFUSED_MADD4): Gate with mips_madd4.
24520         (ISA_HAS_FUSED_MADD4): Likewise.
24521         * doc/invoke.texi (-mmadd4): Document the new option.
24522         * doc/install.texi (--with-madd4): Document the new option.
24523
24524 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24525
24526         * config/aarch64/aarch64-builtins.c (enum aarch64_builtins): New
24527         entries for AARCH64_PAUTH_BUILTIN_XPACLRI,
24528         AARCH64_PAUTH_BUILTIN_PACIA1716, AARCH64_PAUTH_BUILTIN_AUTIA1716.
24529         (aarch64_init_pauth_hint_builtins): New.
24530         (aarch64_init_builtins): Call aarch64_init_pauth_hint_builtins.
24531         (aarch64_expand_builtin): Expand new builtins.
24532
24533 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24534
24535         * reg-notes.def (CFA_TOGGLE_RA_MANGLE): New reg-note.
24536         * combine-stack-adj.c (no_unhandled_cfa): Handle
24537         REG_CFA_TOGGLE_RA_MANGLE.
24538         * dwarf2cfi.c (dwarf2out_frame_debug): Handle REG_CFA_TOGGLE_RA_MANGLE.
24539         * config/aarch64/aarch64.c (aarch64_expand_prologue): Generates DWARF
24540         info for return address signing.
24541         (aarch64_expand_epilogue): Likewise.
24542
24543 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24544
24545         * config/aarch64/aarch64-opts.h (aarch64_function_type): New enum.
24546         * config/aarch64/aarch64-protos.h
24547         (aarch64_return_address_signing_enabled): New declaration.
24548         * config/aarch64/aarch64.c (aarch64_return_address_signing_enabled):
24549         New function.
24550         (aarch64_expand_prologue): Sign return address before it's pushed onto
24551         stack.
24552         (aarch64_expand_epilogue): Authenticate return address fetched from
24553         stack.
24554         (aarch64_override_options): Sanity check for ILP32 and ISA level.
24555         (aarch64_attributes): New function attributes for "sign-return-address".
24556         * config/aarch64/aarch64.md (UNSPEC_AUTI1716, UNSPEC_AUTISP,
24557         UNSPEC_PACI1716, UNSPEC_PACISP, UNSPEC_XPACLRI): New unspecs.
24558         ("*do_return"): Generate combined instructions according to key index.
24559         ("<pauth_mnem_prefix>sp", "<pauth_mnem_prefix1716", "xpaclri"): New.
24560         * config/aarch64/iterators.md (PAUTH_LR_SP, PAUTH_17_16): New integer
24561         iterators.
24562         (pauth_mnem_prefix, pauth_hint_num_a): New integer attributes.
24563         * config/aarch64/aarch64.opt (msign-return-address=): New.
24564         * doc/extend.texi (AArch64 Function Attributes): Documents
24565         "sign-return-address=".
24566         * doc/invoke.texi (AArch64 Options): Documents "-msign-return-address=".
24567
24568 2017-01-19  Matthew Fortune  <matthew.fortune@imgtec.com>
24569
24570         * doc/invoke.texi: Add missing -mlxc1-sxc1 options to
24571         overall option summary.
24572
24573 2017-01-19  Jiong Wang  <jiong.wang@arm.com>
24574
24575         * config/aarch64/aarch64-arches.def: New entry for "armv8.3-a".
24576         * config/aarch64/aarch64.h (AARCH64_FL_V8_3, AARCH64_FL_FOR_ARCH8_3,
24577         AARCH64_ISA_V8_3, TARGET_ARMV8_3): New.
24578         * doc/invoke.texi (AArch64 Options): Document "armv8.3-a".
24579
24580 2017-01-19  Michael Meissner  <meissner@linux.vnet.ibm.com>
24581
24582         * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Enable
24583         -mpower9-minmax by default for -mcpu=power9.
24584         (ISA_3_MASKS_IEEE): Require -mvsx-small-integer to enable IEEE
24585         128-bit floating point.
24586
24587 2017-01-20  Alan Modra  <amodra@gmail.com>
24588
24589         * config/rs6000/rs6000.md (cmpstrnsi, cmpstrsi): Fail if
24590         optimizing for size.
24591
24592 2017-01-20  Alan Modra  <amodra@gmail.com>
24593
24594         PR target/79144
24595         * config/rs6000/rs6000.c (expand_strn_compare): Get the asm name
24596         for strcmp and strncmp from corresponding builtin decl.
24597
24598 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24599
24600         * config.gcc (x86_64-*-rtems*): Use i386/rtemself.h
24601         instead of i386/rtems-64.h.
24602         * config/i386/rtems-64.h: Remove.
24603
24604 2017-01-19  Uros Bizjak  <ubizjak@gmail.com>
24605
24606         PR target/78478
24607         Revert:
24608         2013-11-05  Uros Bizjak  <ubizjak@gmail.com>
24609
24610         * config/i386/rtemself.h (LONG_DOUBLE_TYPE_SIZE): New define.
24611
24612 2017-01-19  Tamar Christina  <tamar.christina@arm.com>
24613
24614         * config/aarch64/aarch64.c (aarch64_simd_gen_const_vector_dup):
24615         Change int to HOST_WIDE_INT.
24616         * config/aarch64/aarch64-protos.h
24617         (aarch64_simd_gen_const_vector_dup): Likewise.
24618         * config/aarch64/aarch64-simd.md: Add copysign<mode>3.
24619
24620 2017-01-19  David Malcolm  <dmalcolm@redhat.com>
24621
24622         * langhooks-def.h (lhd_type_for_size): New decl.
24623         (LANG_HOOKS_TYPE_FOR_SIZE): Define as lhd_type_for_size.
24624         * langhooks.c (lhd_type_for_size): New function, taken from
24625         lto_type_for_size.
24626
24627 2017-01-19  Pat Haugen  <pthaugen@us.ibm.com>
24628
24629         * config/rs6000/power9.md (power9-alu): Remove 'cmp' type and add
24630         define_bypass for CR latency.
24631         (power9-cracked-alu): Update bypass latency and remove power9-branch.
24632         (power9-alu2): Add define_bypass for CR latency.
24633         (power9-cmp): New.
24634         (power9-mul): Update insn latency.
24635         (power9-mul-compare): Update insn latency, bypass latency and remove
24636         power9-branch.
24637
24638 2016-01-19  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
24639
24640         * config/aarch64/aarch64-protos.h (aarch64_nopcrelative_literal_loads):
24641         Delete.
24642         * config/aarch64/aarch64.md
24643         (aarch64_reload_movcp<GPF_TF:mode><P:mode>): Delete reference to
24644         aarch64_nopcrelative_literal_loads.
24645         (aarch64_reload_movcp<VALL:mode><P:mode>): Likewise.
24646
24647 2017-01-19  Chenghua Xu  <paul.hua.gm@gmail.com>
24648
24649         * config/mips/mips.h (ISA_HAS_FUSED_MADD4): Enable for
24650         TARGET_LOONGSON_3A.
24651         (ISA_HAS_UNFUSED_MADD4): Exclude TARGET_LOONGSON_3A.
24652
24653 2017-01-19  Doug Gilmore  <doug.gilmore@imgtec.com>
24654
24655         PR target/78176
24656         * config.gcc (supported_defaults): Add lxc1-sxc1.
24657         (with_lxc1_sxc1): Add validation.
24658         (all_defaults): Add lxc1-sxc1.
24659         * config/mips/mips.opt (mlxc1-sxc1): New option.
24660         * config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
24661         mlxc1-sxc1.
24662         (TARGET_CPU_CPP_BUILTINS): Add builtin_define for
24663         __mips_no_lxc1_sxc1.
24664         (ISA_HAS_LXC1_SXC1): Gate with mips_lxc1_sxc1.
24665         * doc/invoke.texi (-mlxc1-sxc1): Document the new option.
24666         * doc/install.texi (--with-lxc1-sxc1): Document the new option.
24667
24668 2017-01-19  Richard Biener  <rguenther@suse.de>
24669
24670         PR tree-optimization/72488
24671         * tree-ssa-sccvn.c (run_scc_vn): When we abort the VN make
24672         sure to restore SSA info.
24673         * tree-ssa.c (verify_ssa): Verify SSA info is not shared.
24674
24675 2017-01-19  Richard Earnshaw  <rearnsha@arm.com>
24676
24677         PR rtl-optimization/79121
24678         * expr.c (expand_expr_real_2, case LSHIFT_EXPR): Look at the signedness
24679         of the inner type when shifting an extended value.
24680
24681 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
24682
24683         PR lto/78407
24684         * symtab.c (symtab_node::equal_address_to): Fix comparing of
24685         interposable aliases.
24686
24687 2017-01-18  Peter Bergner  <bergner@vnet.ibm.com>
24688
24689         PR target/78516
24690         * config/rs6000/spe.md (mov_si<mode>_e500_subreg0): Fix constraints.
24691         Use the evmergelohi instruction.
24692         (mov_si<mode>_e500_subreg4_2_le): Likewise.
24693         (mov_sitf_e500_subreg8_2_be): Likewise.
24694         (mov_sitf_e500_subreg12_2_le): Likewise.
24695         (mov_si<mode>_e500_subreg0_2_le): Fix constraints.
24696         (mov_si<mode>_e500_subreg4_2_be): Likewise.
24697         (mov_sitf_e500_subreg8_2_le): Likewise.
24698         (mov_sitf_e500_subreg12_2_be): Likewise.
24699
24700 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24701
24702         * config/rs6000/altivec.md (altivec_vbpermq): Change "type"
24703         attribute from vecsimple to vecperm.
24704         (altivec_vbpermq2): Likewise.
24705
24706 2017-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24707
24708         PR target/79040
24709         * config/rs6000/altivec.h: Fix typo of vec_cntlz to vec_cnttz.
24710
24711 2017-01-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
24712         * config/rs6000/rs6000-protos.h (expand_strn_compare): Add arg.
24713         * config/rs6000/rs6000.c (expand_strn_compare): Add ability to expand
24714         strcmp. Fix bug where comparison didn't stop with zero byte. Fix
24715         case where N arg is SIZE_MAX.
24716         * config/rs6000/rs6000.md (cmpstrnsi): Args to expand_strn_compare.
24717         (cmpstrsi): Add pattern.
24718
24719 2017-01-18  Michael Meissner  <meissner@linux.vnet.ibm.com>
24720
24721         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
24722         __builtin_vec_revb builtins.
24723         * config/rs6000/rs6000-builtins.def (P9V_BUILTIN_XXBRQ_V16QI): Add
24724         built-in functions to support generation of the ISA 3.0 XXBR<x>
24725         vector byte reverse instructions.
24726         (P9V_BUILTIN_XXBRQ_V1TI): Likewise.
24727         (P9V_BUILTIN_XXBRD_V2DI): Likewise.
24728         (P9V_BUILTIN_XXBRD_V2DF): Likewise.
24729         (P9V_BUILTIN_XXBGW_V4SI): Likewise.
24730         (P9V_BUILTIN_XXBGW_V4SF): Likewise.
24731         (P9V_BUILTIN_XXBGH_V8HI): Likewise.
24732         (P9V_BUILTIN_VEC_REVB): Likewise.
24733         * config/rs6000/vsx.md (p9_xxbrq_v1ti): New insns/expanders to
24734         generate the ISA 3.0 XXBR<x> vector byte reverse instructions.
24735         (p9_xxbrq_v16qi): Likewise.
24736         (p9_xxbrd_<mode>, VSX_D iterator): Likewise.
24737         (p9_xxbrw_<mode>, VSX_W iterator): Likewise.
24738         (p9_xxbrh_v8hi): Likewise.
24739         * config/rs6000/altivec.h (vec_revb): Define if ISA 3.0.
24740         * doc/extend.texi (RS/6000 Altivec Built-ins): Document the
24741         vec_revb built-in functions.
24742
24743 2017-01-18  Uros Bizjak  <ubizjak@gmail.com>
24744
24745         PR rtl-optimization/78952
24746         * config/i386/i386.md (any_extract): New code iterator.
24747         (*insvqi_2): Use any_extract for source operand.
24748         (*insvqi_3): Use any_shiftrt for source operand.
24749
24750 2017-01-18  Wilco Dijkstra  <wdijkstr@arm.com>
24751
24752         * config/aarch64/aarch64.c (aarch64_sched_adjust_priority)
24753         New function.
24754         (TARGET_SCHED_ADJUST_PRIORITY): Define target hook.
24755
24756 2017-01-18  Matthias Klose  <doko@ubuntu.com>
24757
24758         * doc/install.texi: Allow default for --with-target-bdw-gc-include.
24759
24760 2016-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24761
24762         * config/rs6000/altivec.h (vec_bperm): Change #define.
24763         * config/rs6000/altivec.md (UNSPEC_VBPERMD): New enum constant.
24764         (altivec_vbpermq2): New define_insn.
24765         (altivec_vbpermd): Likewise.
24766         * config/rs6000/rs6000-builtin.def (VBPERMQ2): New monomorphic
24767         function interface.
24768         (VBPERMD): Likewise.
24769         (VBPERM): New polymorphic function interface.
24770         * config/rs6000/r6000-c.c (altivec_overloaded_builtins_table):
24771         Add entries for P9V_BUILTIN_VEC_VBPERM.
24772         * doc/extend.texi: Add interfaces for vec_bperm.
24773
24774 2017-01-18  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
24775
24776         * config/s390/s390-c.c (s390_expand_overloaded_builtin): Downcase
24777         first letter of error messages.
24778         (s390_resolve_overloaded_builtin): Likewise.
24779         * config/s390/s390.c (s390_expand_builtin): Likewise.
24780         (s390_invalid_arg_for_unprototyped_fn): Likewise.
24781         (s390_valid_target_attribute_inner_p): Likewise.
24782         * config/s390/s390.md ("tabort"): Likewise.
24783
24784 2017-01-18  Toma Tabacu  <toma.tabacu@imgtec.com>
24785
24786         * config/mips/mips.h (ISA_HAS_DIV3): Remove unused macro.
24787         (ISA_AVOID_DIV_HILO): New macro.
24788         (ISA_HAS_DIV): Use new ISA_AVOID_DIV_HILO macro.
24789         (ISA_HAS_DDIV): Likewise.
24790
24791 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24792
24793         * doc/invoke.texi (fabi-version): Correct number of occurrences.
24794
24795 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24796
24797         * doc/invoke.texi (fabi-version): Spelling fix.
24798
24799 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24800
24801         PR c++/70182
24802         * doc/invoke.texi (fabi-version): Mention mangling fix for
24803         operator names.
24804
24805 2017-01-18  Markus Trippelsdorf  <markus@trippelsdorf.de>
24806
24807         PR c++/77489
24808         * doc/invoke.texi (fabi-version): Document discriminator mangling.
24809
24810 2017-01-17  Segher Boessenkool  <segher@kernel.crashing.org>
24811
24812         PR target/78875
24813         * config/rs6000/rs6000-opts.h (stack_protector_guard): New enum.
24814         * config/rs6000/rs6000.c (rs6000_option_override_internal): Handle
24815         the new options.
24816         * config/rs6000/rs6000.md (stack_protect_set): Handle the new more
24817         flexible settings.
24818         (stack_protect_test): Ditto.
24819         * config/rs6000/rs6000.opt (mstack-protector-guard=,
24820         mstack-protector-guard-reg=, mstack-protector-guard-offset=): New
24821         options.
24822         * doc/invoke.texi (Option Summary) [RS/6000 and PowerPC Options]:
24823         Add -mstack-protector-guard=, -mstack-protector-guard-reg=, and
24824         -mstack-protector-guard-offset=.
24825         (RS/6000 and PowerPC Options): Ditto.
24826
24827 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
24828
24829         * config/i386/i386.h (MASK_CLASS_P): New define.
24830         * config/i386/i386.c (inline_secondary_memory_needed): Ensure that
24831         there are no registers from different register sets also when
24832         mask registers are used.  Update function comment.
24833         * config/i386/i386.md (*movsi_internal): Split (*k/*krm) alternative
24834         to (*k/*r) and (*k/*km) alternatives.
24835
24836 2017-01-17  Wilco Dijkstra  <wdijkstr@arm.com>
24837
24838         * config/aarch64/aarch64.md (eh_return): Remove pattern and splitter.
24839         * config/aarch64/aarch64.h (AARCH64_EH_STACKADJ_REGNUM): Remove.
24840         (EH_RETURN_HANDLER_RTX): New define.
24841         * config/aarch64/aarch64.c (aarch64_frame_pointer_required):
24842         Force frame pointer in EH return functions.
24843         (aarch64_expand_epilogue): Add barrier for eh_return.
24844         (aarch64_final_eh_return_addr): Remove.
24845         (aarch64_eh_return_handler_rtx): New function.
24846         * config/aarch64/aarch64-protos.h (aarch64_final_eh_return_addr):
24847         Remove.
24848         (aarch64_eh_return_handler_rtx): New prototype.
24849
24850 2017-01-17  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
24851
24852         * config/rs6000/altivec.h (vec_rlmi): New #define.
24853         (vec_vrlnm): Likewise.
24854         (vec_rlnm): Likewise.
24855         * config/rs6000/altivec.md (UNSPEC_VRLMI): New UNSPEC enum value.
24856         (UNSPEC_VRLNM): Likewise.
24857         (VIlong): New mode iterator.
24858         (altivec_vrl<VI_char>mi): New define_insn.
24859         (altivec_vrl<VI_char>nm): Likewise.
24860         * config/rs6000/rs6000-builtin.def (VRLWNM): New monomorphic
24861         function entry.
24862         (VRLDNM): Likewise.
24863         (RLNM): New polymorphic function entry.
24864         (VRLWMI): New monomorphic function entry.
24865         (VRLDMI): Likewise.
24866         (RLMI): New polymorphic function entry.
24867         * config/rs6000/r6000-c.c (altivec_overloaded_builtin_table): Add
24868         new entries for P9V_BUILTIN_VEC_RLMI and P9V_BUILTIN_VEC_RLNM.
24869         * doc/extend.texi: Add description of vec_rlmi, vec_rlnm, and
24870         vec_vrlnm.
24871
24872 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24873
24874         PR debug/78839
24875         * dwarf2out.c (field_byte_offset): Restore the
24876         PCC_BITFIELD_TYPE_MATTERS behavior for INTEGER_CST DECL_FIELD_OFFSET
24877         and DECL_FIELD_BIT_OFFSET.  Use fold_build2 instead of build2 + fold.
24878         (analyze_variants_discr, gen_variant_part): Use fold_build2 instead
24879         of build2 + fold.
24880
24881 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24882
24883         PR ada/67205
24884         * config/aarch64/aarch64.c (TARGET_CUSTOM_FUNCTION_DESCRIPTORS): Define
24885
24886 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
24887
24888         PR debug/71669
24889         * dwarf2out.c (add_data_member_location_attribute): For constant
24890         offset bitfield emit for -gdwarf-5 DW_AT_data_bit_offset attribute
24891         instead of DW_AT_data_member_location, DW_AT_bit_offset and
24892         DW_AT_byte_size attributes.
24893
24894 2017-01-17  Eric Botcazou  <ebotcazou@adacore.com>
24895
24896         * config/rs6000/rs6000.c (rs6000_emit_move): Also use a TOC reference
24897         after forcing to constant memory when the code model is medium.
24898
24899 2017-01-17  Julia Koval  <julia.koval@intel.com>
24900
24901         PR target/76731
24902         * config/i386/avx512fintrin.h
24903         (_mm512_i32gather_ps): Change __addr type to void const*.
24904         (_mm512_mask_i32gather_ps): Ditto.
24905         (_mm512_i32gather_pd): Ditto.
24906         (_mm512_mask_i32gather_pd): Ditto.
24907         (_mm512_i64gather_ps): Ditto.
24908         (_mm512_mask_i64gather_ps): Ditto.
24909         (_mm512_i64gather_pd): Ditto.
24910         (_mm512_mask_i64gather_pd): Ditto.
24911         (_mm512_i32gather_epi32): Ditto.
24912         (_mm512_mask_i32gather_epi32): Ditto.
24913         (_mm512_i32gather_epi64): Ditto.
24914         (_mm512_mask_i32gather_epi64): Ditto.
24915         (_mm512_i64gather_epi32): Ditto.
24916         (_mm512_mask_i64gather_epi32): Ditto.
24917         (_mm512_i64gather_epi64): Ditto.
24918         (_mm512_mask_i64gather_epi64): Ditto.
24919         (_mm512_i32scatter_ps): Change __addr type to void*.
24920         (_mm512_mask_i32scatter_ps): Ditto.
24921         (_mm512_i32scatter_pd): Ditto.
24922         (_mm512_mask_i32scatter_pd): Ditto.
24923         (_mm512_i64scatter_ps): Ditto.
24924         (_mm512_mask_i64scatter_ps): Ditto.
24925         (_mm512_i64scatter_pd): Ditto.
24926         (_mm512_mask_i64scatter_pd): Ditto.
24927         (_mm512_i32scatter_epi32): Ditto.
24928         (_mm512_mask_i32scatter_epi32): Ditto.
24929         (_mm512_i32scatter_epi64): Ditto.
24930         (_mm512_mask_i32scatter_epi64): Ditto.
24931         (_mm512_i64scatter_epi32): Ditto.
24932         (_mm512_mask_i64scatter_epi32): Ditto.
24933         (_mm512_i64scatter_epi64): Ditto.
24934         (_mm512_mask_i64scatter_epi64): Ditto.
24935         * config/i386/avx512pfintrin.h
24936         (_mm512_mask_prefetch_i32gather_pd): Change __addr type to void const*.
24937         (_mm512_mask_prefetch_i32gather_ps): Ditto.
24938         (_mm512_mask_prefetch_i64gather_pd): Ditto.
24939         (_mm512_mask_prefetch_i64gather_ps): Ditto.
24940         (_mm512_prefetch_i32scatter_pd): Change __addr type to void*.
24941         (_mm512_prefetch_i32scatter_ps): Ditto.
24942         (_mm512_mask_prefetch_i32scatter_pd): Ditto.
24943         (_mm512_mask_prefetch_i32scatter_ps): Ditto.
24944         (_mm512_prefetch_i64scatter_pd): Ditto.
24945         (_mm512_prefetch_i64scatter_ps): Ditto.
24946         (_mm512_mask_prefetch_i64scatter_pd): Ditto.
24947         (_mm512_mask_prefetch_i64scatter_ps): Ditto.
24948         * config/i386/avx512vlintrin.h
24949         (_mm256_mmask_i32gather_ps): Change __addr type to void const*.
24950         (_mm_mmask_i32gather_ps): Ditto.
24951         (_mm256_mmask_i32gather_pd): Ditto.
24952         (_mm_mmask_i32gather_pd): Ditto.
24953         (_mm256_mmask_i64gather_ps): Ditto.
24954         (_mm_mmask_i64gather_ps): Ditto.
24955         (_mm256_mmask_i64gather_pd): Ditto.
24956         (_mm_mmask_i64gather_pd): Ditto.
24957         (_mm256_mmask_i32gather_epi32): Ditto.
24958         (_mm_mmask_i32gather_epi32): Ditto.
24959         (_mm256_mmask_i32gather_epi64): Ditto.
24960         (_mm_mmask_i32gather_epi64): Ditto.
24961         (_mm256_mmask_i64gather_epi32): Ditto.
24962         (_mm_mmask_i64gather_epi32): Ditto.
24963         (_mm256_mmask_i64gather_epi64): Ditto.
24964         (_mm_mmask_i64gather_epi64): Ditto.
24965         (_mm256_i32scatter_ps): Change __addr type to void*.
24966         (_mm256_mask_i32scatter_ps): Ditto.
24967         (_mm_i32scatter_ps): Ditto.
24968         (_mm_mask_i32scatter_ps): Ditto.
24969         (_mm256_i32scatter_pd): Ditto.
24970         (_mm256_mask_i32scatter_pd): Ditto.
24971         (_mm_i32scatter_pd): Ditto.
24972         (_mm_mask_i32scatter_pd): Ditto.
24973         (_mm256_i64scatter_ps): Ditto.
24974         (_mm256_mask_i64scatter_ps): Ditto.
24975         (_mm_i64scatter_ps): Ditto.
24976         (_mm_mask_i64scatter_ps): Ditto.
24977         (_mm256_i64scatter_pd): Ditto.
24978         (_mm256_mask_i64scatter_pd): Ditto.
24979         (_mm_i64scatter_pd): Ditto.
24980         (_mm_mask_i64scatter_pd): Ditto.
24981         (_mm256_i32scatter_epi32): Ditto.
24982         (_mm256_mask_i32scatter_epi32): Ditto.
24983         (_mm_i32scatter_epi32): Ditto.
24984         (_mm_mask_i32scatter_epi32): Ditto.
24985         (_mm256_i32scatter_epi64): Ditto.
24986         (_mm256_mask_i32scatter_epi64): Ditto.
24987         (_mm_i32scatter_epi64): Ditto.
24988         (_mm_mask_i32scatter_epi64): Ditto.
24989         (_mm256_i64scatter_epi32): Ditto.
24990         (_mm256_mask_i64scatter_epi32): Ditto.
24991         (_mm_i64scatter_epi32): Ditto.
24992         (_mm_mask_i64scatter_epi32): Ditto.
24993         (_mm256_i64scatter_epi64): Ditto.
24994         (_mm256_mask_i64scatter_epi64): Ditto.
24995         (_mm_i64scatter_epi64): Ditto.
24996         (_mm_mask_i64scatter_epi64): Ditto.
24997         * config/i386/i386-builtin-types.def (V16SF_V16SF_PCFLOAT_V16SI_HI_INT)
24998         (V8DF_V8DF_PCDOUBLE_V8SI_QI_INT, V8SF_V8SF_PCFLOAT_V8DI_QI_INT)
24999         (V8DF_V8DF_PCDOUBLE_V8DI_QI_INT, V16SI_V16SI_PCINT_V16SI_HI_INT)
25000         (V8DI_V8DI_PCINT64_V8SI_QI_INT, V8SI_V8SI_PCINT_V8DI_QI_INT)
25001         (V8DI_V8DI_PCINT64_V8DI_QI_INT, V2DF_V2DF_PCDOUBLE_V4SI_QI_INT)
25002         (V4DF_V4DF_PCDOUBLE_V4SI_QI_INT, V2DF_V2DF_PCDOUBLE_V2DI_QI_INT)
25003         (V4DF_V4DF_PCDOUBLE_V4DI_QI_INT, V4SF_V4SF_PCFLOAT_V4SI_QI_INT)
25004         (V8SF_V8SF_PCFLOAT_V8SI_QI_INT, V4SF_V4SF_PCFLOAT_V2DI_QI_INT)
25005         (V4SF_V4SF_PCFLOAT_V4DI_QI_INT, V2DI_V2DI_PCINT64_V4SI_QI_INT)
25006         (V4DI_V4DI_PCINT64_V4SI_QI_INT, V2DI_V2DI_PCINT64_V2DI_QI_INT)
25007         (V4DI_V4DI_PCINT64_V4DI_QI_INT, V4SI_V4SI_PCINT_V4SI_QI_INT)
25008         (V8SI_V8SI_PCINT_V8SI_QI_INT, V4SI_V4SI_PCINT_V2DI_QI_INT)
25009         (V4SI_V4SI_PCINT_V4DI_QI_INT, VOID_PFLOAT_HI_V16SI_V16SF_INT)
25010         (VOID_PFLOAT_QI_V8SI_V8SF_INT, VOID_PFLOAT_QI_V4SI_V4SF_INT)
25011         (VOID_PDOUBLE_QI_V8SI_V8DF_INT, VOID_PDOUBLE_QI_V4SI_V4DF_INT)
25012         (VOID_PDOUBLE_QI_V4SI_V2DF_INT, VOID_PFLOAT_QI_V8DI_V8SF_INT)
25013         (VOID_PFLOAT_QI_V4DI_V4SF_INT, VOID_PFLOAT_QI_V2DI_V4SF_INT)
25014         (VOID_PDOUBLE_QI_V8DI_V8DF_INT, VOID_PDOUBLE_QI_V4DI_V4DF_INT)
25015         (VOID_PDOUBLE_QI_V2DI_V2DF_INT, VOID_PINT_HI_V16SI_V16SI_INT)
25016         (VOID_PINT_QI_V8SI_V8SI_INT, VOID_PINT_QI_V4SI_V4SI_INT)
25017         (VOID_PLONGLONG_QI_V8SI_V8DI_INT, VOID_PLONGLONG_QI_V4SI_V4DI_INT)
25018         (VOID_PLONGLONG_QI_V4SI_V2DI_INT, VOID_PINT_QI_V8DI_V8SI_INT)
25019         (VOID_PINT_QI_V4DI_V4SI_INT, VOID_PINT_QI_V2DI_V4SI_INT)
25020         (VOID_PLONGLONG_QI_V8DI_V8DI_INT, VOID_QI_V8SI_PCINT64_INT_INT)
25021         (VOID_PLONGLONG_QI_V4DI_V4DI_INT, VOID_PLONGLONG_QI_V2DI_V2DI_INT)
25022         (VOID_HI_V16SI_PCINT_INT_INT, VOID_QI_V8DI_PCINT64_INT_INT)
25023         (VOID_QI_V8DI_PCINT_INT_INT): Remove.
25024         (V16SF_V16SF_PCVOID_V16SI_HI_INT,  V8DF_V8DF_PCVOID_V8SI_QI_INT)
25025         (V8SF_V8SF_PCVOID_V8DI_QI_INT, V8DF_V8DF_PCVOID_V8DI_QI_INT)
25026         (V16SI_V16SI_PCVOID_V16SI_HI_INT, V8DI_V8DI_PCVOID_V8SI_QI_INT)
25027         (V8SI_V8SI_PCVOID_V8DI_QI_INT, V8DI_V8DI_PCVOID_V8DI_QI_INT)
25028         (VOID_PVOID_HI_V16SI_V16SF_INT, VOID_PVOID_QI_V8SI_V8DF_INT)
25029         (VOID_PVOID_QI_V8DI_V8SF_INT, VOID_PVOID_QI_V8DI_V8DF_INT)
25030         (VOID_PVOID_HI_V16SI_V16SI_INT, VOID_PVOID_QI_V8SI_V8DI_INT)
25031         (VOID_PVOID_QI_V8DI_V8SI_INT, VOID_PVOID_QI_V8DI_V8DI_INT)
25032         (V2DF_V2DF_PCVOID_V4SI_QI_INT, V4DF_V4DF_PCVOID_V4SI_QI_INT)
25033         (V2DF_V2DF_PCVOID_V2DI_QI_INT, V4DF_V4DF_PCVOID_V4DI_QI_INT
25034         (V4SF_V4SF_PCVOID_V4SI_QI_INT, V8SF_V8SF_PCVOID_V8SI_QI_INT)
25035         (V4SF_V4SF_PCVOID_V2DI_QI_INT, V4SF_V4SF_PCVOID_V4DI_QI_INT)
25036         (V2DI_V2DI_PCVOID_V4SI_QI_INT, V4DI_V4DI_PCVOID_V4SI_QI_INT)
25037         (V2DI_V2DI_PCVOID_V2DI_QI_INT, V4DI_V4DI_PCVOID_V4DI_QI_INT)
25038         (V4SI_V4SI_PCVOID_V4SI_QI_INT, V8SI_V8SI_PCVOID_V8SI_QI_INT)
25039         (V4SI_V4SI_PCVOID_V2DI_QI_INT, V4SI_V4SI_PCVOID_V4DI_QI_INT)
25040         (VOID_PVOID_QI_V8SI_V8SF_INT, VOID_PVOID_QI_V4SI_V4SF_INT)
25041         (VOID_PVOID_QI_V4SI_V4DF_INT, VOID_PVOID_QI_V4SI_V2DF_INT)
25042         (VOID_PVOID_QI_V4DI_V4SF_INT, VOID_PVOID_QI_V2DI_V4SF_INT)
25043         (VOID_PVOID_QI_V4DI_V4DF_INT, VOID_PVOID_QI_V2DI_V2DF_INT)
25044         (VOID_PVOID_QI_V8SI_V8SI_INT, VOID_PVOID_QI_V4SI_V4SI_INT)
25045         (VOID_PVOID_QI_V4SI_V4DI_INT, VOID_PVOID_QI_V4SI_V2DI_INT)
25046         (VOID_PVOID_QI_V4DI_V4SI_INT, VOID_PVOID_QI_V2DI_V4SI_INT)
25047         (VOID_PVOID_QI_V4DI_V4DI_INT, VOID_PVOID_QI_V2DI_V2DI_INT)
25048         (VOID_QI_V8SI_PCVOID_INT_INT, VOID_HI_V16SI_PCVOID_INT_INT)
25049         (VOID_QI_V8DI_PCVOID_INT_INT): Add.
25050         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Adjust builtin
25051         definitions accordingly.
25052
25053 2017-01-17  Kito Cheng  <kito.cheng@gmail.com>
25054             Kuan-Lin Chen  <kuanlinchentw@gmail.com>
25055
25056         PR target/79079
25057         * internal-fn.c (expand_mul_overflow): Use convert_modes instead of
25058         gen_lowpart.
25059
25060 2017-01-17  Vladimir Makarov  <vmakarov@redhat.com>
25061
25062         PR target/79058
25063         * ira-conflicts.c (ira_build_conflicts): Update total conflict
25064         hard regs for inner regno.
25065
25066 2017-01-17  Martin Liska  <mliska@suse.cz>
25067
25068         PR ipa/71207
25069         * ipa-polymorphic-call.c (contains_type_p): Fix wrong
25070         assumption and add comment.
25071
25072 2017-01-17  Nathan Sidwell  <nathan@acm.org>
25073
25074         * ipa-visibility.c (localize_node): New function, broken out of ...
25075         (function_and_variable_visibility): ... here. Call it.
25076
25077 2017-01-17  Jan Hubicka  <hubicka@ucw.cz>
25078
25079         PR middle-end/77445
25080         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges):
25081         correctly set frequency of oudgoing edge.
25082         (duplicate_thread_path): Fix profile updating.
25083
25084 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
25085
25086         PR other/79046
25087         * configure.ac: Add GCC_BASE_VER.
25088         * Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
25089         version from BASE-VER file.
25090         (CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
25091         (gcc.o): Depend on $(BASEVER).
25092         * common.opt (dumpfullversion): New option.
25093         * gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
25094         * doc/invoke.texi: Document -dumpfullversion.
25095         * doc/install.texi: Document --with-gcc-major-version-only.
25096         * configure: Regenerated.
25097
25098 2017-01-17  Richard Biener  <rguenther@suse.de>
25099
25100         PR tree-optimization/71433
25101         * tree-vrp.c (register_new_assert_for): Merge same asserts
25102         on all incoming edges.
25103         (process_assert_insertions_for): Handle insertions at the
25104         beginning of BBs.
25105
25106 2017-01-17  Gerald Pfeifer  <gerald@pfeifer.com>
25107
25108         * config/i386/cygwin.h (LIBGCJ_SONAME): Remove.
25109         * config/i386/mingw32.h (LIBGCJ_SONAME): Remove.
25110
25111 2017-01-17  Kaz Kojima  <kkojima@gcc.gnu.org>
25112
25113         PR target/78633
25114         * config/sh/sh.md (cmpeqsi_t+1): Call copy_rtx to avoid invalid
25115         RTL sharing.
25116
25117 2017-01-17  Alan Modra  <amodra@gmail.com>
25118
25119         PR target/79066
25120         * config/rs6000/rs6000.md (elf_high, elf_low): Disable when pic.
25121         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Don't allow
25122         symbolic stack limit when pic.
25123
25124 2017-01-16  Martin Sebor  <msebor@redhat.com>
25125
25126         PR tree-optimization/78608
25127         * gimple-ssa-sprintf.c (tree_digits): Avoid negating TYPE_MIN.
25128
25129 2017-01-16  Jeff Law  <law@redhat.com>
25130
25131         Revert:
25132         2016-12-02  Tadek Kijkowski  <tkijkowski@gmail.com>
25133         * Makefile.in (PREPROCESSOR_DEFINES): Add a level of indirection
25134         for several include directories that may be relative to sysroot.
25135         * config/i386/x-mingw32 (gplus_includedir): Define.
25136         (gplus_tool_includedir, gplus_backward_include_dir): Likewise.
25137         (native_system_includedir): Likewise.
25138         * config/i386/mingw32.h (STANDARD_STARTFILE_PREFIX_1): Do not
25139         override if TARGET_SYSTEM_ROOT is defined.
25140         (NATIVE_SYSTEM_HEADER_DIR): Likewise.
25141
25142         PR tree-optimization/79090
25143         PR tree-optimization/33562
25144         PR tree-optimization/61912
25145         PR tree-optimization/77485
25146         * tree-ssa-dse.c (compute_trims): Accept STMT argument.  Dump STMT
25147         and computed trims into the dump file.
25148
25149 2017-01-17  Uros Bizjak  <ubizjak@gmail.com>
25150
25151         * config/i386/i386.h (LIMIT_RELOAD_CLASS): Remove.
25152
25153 2017-01-16  Jakub Jelinek  <jakub@redhat.com>
25154
25155         PR c/79089
25156         * gimplify.c (gimplify_init_constructor): If want_value and
25157         object == lhs, unshare lhs to avoid invalid tree sharing.  Formatting
25158         fix.
25159
25160         PR target/79080
25161         * loop-doloop.c (doloop_modify): Call unshare_all_rtl_in_chain on
25162         sequence.  Formatting fixes.
25163         (doloop_optimize): Formatting fixes.
25164
25165         PR driver/49726
25166         * gcc.c (debug_level_greater_than_spec_func): New function.
25167         (static_spec_functions): Add debug-level-gt spec function.
25168         (ASM_DEBUG_SPEC, cpp_options): Use %:debug-level-gt(0) instead of
25169         !g0.
25170         * config/darwin.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25171         * config/darwin9.h (DSYMUTIL_SPEC, ASM_DEBUG_SPEC): Likewise.
25172         * common.opt (g, gcoff, gdwarf, gdwarf-, ggdb, gno-pubnames,
25173         gpubnames, ggnu-pubnames, gno-record-gcc-switches,
25174         grecord-gcc-switches, gno-strict-dwarf, gstrict-dwarf, gstabs,
25175         gstabs+, gtoggle, gvms, gxcoff, gxcoff+): Add Driver flag.
25176
25177 2017-01-16  Uros Bizjak  <ubizjak@gmail.com>
25178
25179         * config/i386/i386.h (HARD_REGNO_CALLER_SAVE_MODE): Apply HImode and
25180         QImode fixups to general and mask registers only.
25181
25182 2017-01-16  Carl Love  <cel@us.ibm.com>
25183
25184         * config/rs6000/rs6000-c (altivec_overloaded_builtins): Add support
25185         for built-in functions
25186         vector signed char vec_nabs (vector signed char)
25187         vector signed short vec_nabs (vector signed short)
25188         vector signed int vec_nabs (vector signed int)
25189         vector signed long long vec_nabs (vector signed long long)
25190         vector float vec_nabs (vector float)
25191         vector double vec_nabs (vector double)
25192         * config/rs6000/rs6000-builtin.def: Add definitions for NABS functions
25193         and NABS overload.
25194         * config/rs6000/altivec.md: New define_expand nabs<mode>2 types
25195         * config/rs6000/altivec.h: New define for vec_nabs built-in function.
25196         * doc/extend.texi: Update the documentation file for the new built-in
25197         functions.
25198
25199 2017-01-16  Martin Sebor  <msebor@redhat.com>
25200
25201         * gimple-ssa-sprintf.c (format_directive): Correct a typo in a warning
25202         message.
25203
25204 2017-01-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25205
25206         * config/rs6000/rs6000.c (rtx_is_swappable_p): Change
25207         UNSPEC_VSX__XXSPLTD to require special splat handling.
25208
25209 2017-01-16  David Malcolm  <dmalcolm@redhat.com>
25210
25211         PR bootstrap/78616
25212         * system.h: Poison strndup.
25213
25214 2017-01-16  Alan Modra  <amodra@gmail.com>
25215
25216         PR target/79098
25217         * config/rs6000/rs6000.c (rs6000_legitimate_combined_insn): Don't
25218         use a switch.
25219
25220 2017-01-16  Georg-Johann Lay  <avr@gjlay.de>
25221
25222         * config/avr/avr.h (BRANCH_COST) [reload_completed]: Increase by 4.
25223
25224 2017-01-15  Uros Bizjak  <ubizjak@gmail.com>
25225
25226         * config/i386/i386.c (ix86_legitimate_combined_insn): Do not
25227         call recog here.  Assert that INSN_CODE (insn) is non-negative.
25228
25229 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
25230
25231         PR target/72749
25232         * cfgrtl.c (rtl_split_edge): Also patch jump insns that jump to the
25233         fallthrough.
25234         * haifa-sched.c (dump_insn_stream): Don't crash if there is a label
25235         in the currently scheduled RTL fragment.
25236
25237 2017-01-15  Segher Boessenkool  <segher@kernel.crashing.org>
25238
25239         PR rtl-optimization/78751
25240         * ifcvt.c (find_cond_trap): If we generated a non-existing insn,
25241         give up.
25242
25243 2017-01-14  Jeff Law  <law@redhat.com>
25244
25245         PR tree-optimization/79090
25246         * tree-ssa-dse.c (valid_ao_ref_for_dse): Reject zero length and
25247         variable length stores.
25248         (compute_trims): Delete dead assignment to *trim_tail.
25249         (dse_dom_walker::dse_optimize_stmt): Optimize mem* calls with
25250         zero length.
25251
25252 2017-01-14  Bernd Schmidt  <bschmidt@redhat.com>
25253
25254         PR rtl-optimization/78626
25255         PR rtl-optimization/78727
25256         * cprop.c (one_cprop_pass): Collect unconditional traps in the middle
25257         of a block, and split such blocks after everything else is finished.
25258
25259 2017-01-14  Alan Modra  <amodra@gmail.com>
25260
25261         PR target/72749
25262         * combine.c (recog_for_combine_1): Set INSN_CODE before calling
25263         target legitimate_combined_insn.
25264         * config/rs6000/rs6000.c (TARGET_LEGITIMATE_COMBINED_INSN): Define.
25265         (rs6000_legitimate_combined_insn): New function.
25266         * config/rs6000/rs6000.md (UNSPEC_DOLOOP): Delete, and remove
25267         all uses.
25268         (ctr<mode>_internal3): Rename from *ctr<mode>_internal5.
25269         (ctr<mode>_internal4): Rename from *ctr<mode>_internal6.
25270         (ctr<mode>_internal1, ctr<mode>_internal2): Remove '*' from name.
25271
25272 2017-01-14  Gerald Pfeifer  <gerald@pfeifer.com>
25273
25274         * doc/frontends.texi (G++ and GCC): Remove references to Java.
25275
25276 2017-01-13  Jeff Law  <law@redhat.com>
25277
25278         PR tree-optimization/33562
25279         PR tree-optimization/61912
25280         PR tree-optimization/77485
25281         * tree-ssa-dse.c (delete_dead_call): Accept gsi rather than
25282         a statement.
25283         (delete_dead_assignment): Likewise.
25284         (dse_dom_walker::dse_optimize_stmt): Pass in the gsi rather than
25285         statement to delete_dead_call and delete_dead_assignment.
25286
25287 2017-01-13  David Malcolm  <dmalcolm@redhat.com>
25288
25289         PR c/78304
25290         * substring-locations.c (format_warning_va): Strengthen case 1 so
25291         that both endpoints of the substring must be within the format
25292         range for just the substring to be printed.
25293
25294 2017-01-13  Uros Bizjak  <ubizjak@gmail.com>
25295
25296         * config/i386/i386.opt (msgx): Use ix86_isa_flags2 variable.
25297         * config/i386/i386.c (ix86_target_string): Add missing options
25298         to isa_opts and reorder options by implied ISAs.  Rename isa_opts2 to
25299         isa2_opts, ix86_flag_opts to flag2_opts, ix86_target_other to
25300         flags_other and ix86_target_other to flags2_other.  Display unknown
25301         isa2 options.
25302         (ix86_valid_target_attribute_inner_p): Add missing options and
25303         reorder options by implied ISAs, as in ix86_target_string.
25304
25305 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25306
25307         * hash-table.h (hash_table::too_empty_p): New function.
25308         (hash_table::expand): Use it.
25309         (hash_table::traverse): Likewise.
25310         (hash_table::empty_slot): Use sizeof (value_type) instead of
25311         sizeof (PTR) to convert bytes to elements.  Shrink the table
25312         if the current size is excessive for the current number of
25313         elements.
25314
25315 2017-01-13  Richard Sandiford  <richard.sandiford@arm.com>
25316
25317         * ira-costs.c (record_reg_classes): Break from the inner loop
25318         early once alt_fail is known to be true.  Update outer loop
25319         handling accordingly.
25320
25321 2017-01-13  Jeff Law  <law@redhat.com>
25322
25323         * tree-ssa-dse.c (decrement_count): New function.
25324         (increment_start_addr, maybe_trim_memstar_call): Likewise.
25325         (dse_dom_walker::optimize_stmt): Call maybe_trim_memstar_call directly
25326         when we know the partially dead statement is a mem* function.
25327
25328         PR tree-optimization/61912
25329         PR tree-optimization/77485
25330         * tree-ssa-dse.c: Include expr.h.
25331         (maybe_trim_constructor_store): New function.
25332         (maybe_trim_partially_dead_store): Call maybe_trim_constructor_store.
25333
25334         PR tree-optimization/33562
25335         PR tree-optimization/61912
25336         PR tree-optimization/77485
25337         * doc/invoke.texi: Document new dse-max-object-size param.
25338         * params.def (PARM_DSE_MAX_OBJECT_SIZE): New PARAM.
25339         * tree-ssa-dse.c: Include params.h.
25340         (dse_store_status): New enum.
25341         (initialize_ao_ref_for_dse): New, partially extracted from
25342         dse_optimize_stmt.
25343         (valid_ao_ref_for_dse, normalize_ref): New.
25344         (setup_live_bytes_from_ref, compute_trims): Likewise.
25345         (clear_bytes_written_by, maybe_trim_complex_store): Likewise.
25346         (maybe_trim_partially_dead_store): Likewise.
25347         (maybe_trim_complex_store): Likewise.
25348         (dse_classify_store): Renamed from dse_possibly_dead_store_p.
25349         Track what bytes live from the original store.  Return tri-state
25350         for dead, partially dead or live.
25351         (dse_dom_walker): Add constructor, destructor and new private members.
25352         (delete_dead_call, delete_dead_assignment): New extracted from
25353         dse_optimize_stmt.
25354         (dse_optimize_stmt): Make a member of dse_dom_walker.
25355         Use initialize_ao_ref_for_dse.
25356
25357         PR tree-optimization/33562
25358         PR tree-optimization/61912
25359         PR tree-optimization/77485
25360         * sbitmap.h (bitmap_count_bits): Prototype.
25361         (bitmap_clear_range, bitmap_set_range): Likewise.
25362         * sbitmap.c (bitmap_clear_range): New function.
25363         (bitmap_set_range, sbitmap_popcount, bitmap_count_bits): Likewise.
25364
25365 2017-01-13  Martin Liska  <mliska@suse.cz>
25366
25367         PR ipa/79043
25368         * function.c (set_cfun): Add new argument force.
25369         * function.h (set_cfun): Likewise.
25370         * ipa-inline-transform.c (inline_call): Use the function when
25371         strict alising from is dropped for function we inline to.
25372
25373 2017-01-13  Richard Biener  <rguenther@suse.de>
25374
25375         * tree-pretty-print.c (dump_generic_node): Fix inverted condition
25376         for dumping GIMPLE INTEGER_CSTs.
25377
25378 2017-01-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
25379
25380         * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __STDC_VERSION__
25381         to 201112L since C++17.
25382
25383 2017-01-13  Maxim Ostapenko  <m.ostapenko@samsung.com>
25384
25385         PR sanitizer/78887
25386         * asan.c (asan_needs_odr_indicator_p): Don't emit ODR indicators
25387         if -fsanitize=kernel-address is present.
25388
25389 2017-01-13  Richard Biener  <rguenther@suse.de>
25390
25391         * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs
25392         as _Literal ( type ) number in case usual suffixes do not
25393         preserve all information.
25394
25395 2017-01-13  Richard Biener  <rguenther@suse.de>
25396
25397         PR tree-optimization/77283
25398         * gimple-ssa-split-paths.c: Include gimple-ssa.h, tree-phinodes.h
25399         and ssa-iterators.h.
25400         (is_feasible_trace): Implement a cost model based on joiner
25401         PHI node uses.
25402
25403 2017-01-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
25404
25405         PR target/79004
25406         * config/rs6000/rs6000.md (FP_ISA3): Do not optimize converting
25407         char or short to __float128/_Float128 directly.
25408
25409 2017-01-12  Martin Sebor  <msebor@redhat.com>
25410
25411         to -Wformat-overflow.
25412         * gimple-ssa-sprintf.c (pass_sprintf_length::gate): Adjust.
25413         (min_bytes_remaining): Same.
25414         (get_string_length): Same.
25415         (format_string): Same.
25416         (format_directive): Same.
25417         (add_bytes): Same.
25418         (pass_sprintf_length::handle_gimple_call): Same.
25419
25420 2017-01-12  Jakub Jelinek  <jakub@redhat.com>
25421
25422         * gimple-ssa-sprintf.c (try_substitute_return_value): Remove
25423         info.nowrite calls with no lhs that can't throw.  Return bool
25424         whether gsi_remove has been called or not.
25425         (pass_sprintf_length::handle_gimple_call): Return bool whether
25426         try_substitute_return_value called gsi_remove.  Formatting fix.
25427         (pass_sprintf_length::execute): Don't use gsi_remove if
25428         handle_gimple_call returned true.
25429
25430         PR bootstrap/79069
25431         * cfgrtl.c (rtl_tidy_fallthru_edge): For any_uncondjump_p that can't
25432         be removed due to side-effects, don't remove following barrier nor
25433         turn the successor edge into fallthru edge.
25434
25435 2017-01-12  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
25436
25437         PR target/79044
25438         * config/rs6000/rs6000.c (insn_is_swappable_p): Mark
25439         element-reversing loads and stores as not swappable.
25440
25441 2017-01-12  Nathan Sidwell  <nathan@acm.org>
25442             Nicolai Stange  <nicstange@gmail.com>
25443
25444         * combine.c (try_combine): Don't ignore result of overlap checking
25445         loop.  Combine overlap & asm check into single loop.
25446
25447 2017-01-12  Richard Biener  <rguenther@suse.de>
25448
25449         * tree-pretty-print.c (dump_generic_node): Provide -gimple
25450         variant for MEM_REF.  Sanitize INTEGER_CST for -gimple.
25451
25452 2017-01-12  Richard Biener  <rguenther@suse.de>
25453
25454         * tree.c (initialize_tree_contains_struct): Make TS_OPTIMIZATION
25455         and TS_TARGET_OPTION directly derive from TS_BASE.
25456         * tree-core.h (tree_optimization_option): Derive from tree_base.
25457         (tree_target_option): Likewise.
25458
25459 2017-01-11  Uros Bizjak  <ubizjak@gmail.com>
25460
25461         * config/i386/i386.c (memory_address_length): Increase len
25462         only when rip_relative_addr_p returns false.
25463
25464 2017-01-11  Julia Koval  <julia.koval@intel.com>
25465
25466         * common/config/i386/i386-common.c (OPTION_MASK_ISA_SGX_UNSET): New.
25467         (OPTION_MASK_ISA_SGX_SET): New.
25468         (ix86_handle_option): Handle OPT_msgx.
25469         * config.gcc: Added sgxintrin.h.
25470         * config/i386/driver-i386.c (host_detect_local_cpu): Detect sgx.
25471         * config/i386/i386-c.c (ix86_target_macros_internal): Define __SGX__.
25472         * config/i386/i386.c (ix86_target_string): Add -msgx.
25473         (PTA_SGX): New.
25474         (ix86_option_override_internal): Handle new options.
25475         (ix86_valid_target_attribute_inner_p): Add sgx.
25476         * config/i386/i386.h (TARGET_SGX, TARGET_SGX_P): New.
25477         * config/i386/i386.opt: Add msgx.
25478         * config/i386/sgxintrin.h: New file.
25479         * config/i386/x86intrin.h: Add sgxintrin.h.
25480
25481 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25482
25483         PR c++/71537
25484         * fold-const.c (maybe_nonzero_address): Return 1 for function
25485         local objects.
25486         (tree_single_nonzero_warnv_p): Don't handle function local objects
25487         here.
25488
25489         PR c++/72813
25490         * gcc.c (default_compilers): Don't add -o %g.s for -S -save-temps
25491         of c-header.
25492
25493 2017-01-11  David Malcolm  <dmalcolm@redhat.com>
25494
25495         PR driver/78877
25496         * opts.c: Include "spellcheck.h"
25497         (struct string_fragment): New struct.
25498         (struct edit_distance_traits<const string_fragment &>): New
25499         struct.
25500         (get_closest_sanitizer_option): New function.
25501         (parse_sanitizer_options): Offer suggestions for unrecognized arguments.
25502
25503 2017-01-11  Jakub Jelinek  <jakub@redhat.com>
25504
25505         * dwarf2out.c (DWARF_COMPILE_UNIT_HEADER_SIZE): For DWARF5 decrease
25506         by 12.
25507         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): Always
25508         DWARF_COMPILE_UNIT_HEADER_SIZE plus 12.
25509         (DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE): Define.
25510         (calc_base_type_die_sizes): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE
25511         for initial die_offset if dwarf_split_debug_info.
25512         (output_comp_unit): Use DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE for
25513         initial next_die_offset if dwo_id is non-NULL.  Don't emit padding
25514         fields.
25515         (output_skeleton_debug_sections): Formatting fix.  Use
25516         DWARF_COMPILE_UNIT_SKELETON_HEADER_SIZE instead of
25517         DWARF_COMPILE_UNIT_HEADER_SIZE.  Don't emit padding.
25518
25519 2017-01-11  Wilco Dijkstra  <wdijkstr@arm.com>
25520
25521         * config/arm/cortex-a53.md: Add bypasses for
25522         cortex_a53_r2f_cvt.
25523         (cortex_a53_r2f): Only use for transfers.
25524         (cortex_a53_f2r): Likewise.
25525         (cortex_a53_r2f_cvt): Add reservation for conversions.
25526         (cortex_a53_f2r_cvt): Likewise.
25527
25528 2017-01-11  Tamar Christina  <tamar.christina@arm.com>
25529
25530         * config/arm/arm_neon.h: Add __artificial__ and gnu_inline
25531         to all inlined functions, change static to extern.
25532
25533 2017-01-11  Christophe Lyon  <christophe.lyon@linaro.org>
25534
25535         PR target/78253
25536         * config/arm/arm.c (legitimize_pic_address): Handle reference to
25537         weak symbol.
25538         (arm_assemble_integer): Likewise.
25539
25540 2017-01-11  Richard Earnshaw  <rearnsha@arm.com>
25541
25542         * config.gcc: Use new awk script to check CPU, FPU and architecture
25543         parameters for --with-... options.
25544         * config/arm/parsecpu.awk: New file
25545         * config/arm/arm-cpus.in: New file.
25546         * config/arm/arm-opts.h: Include arm-cpu.h instead of processing .def
25547         files.
25548         * config/arm/arm.c: Include arm-cpu-data.h instead of processing .def
25549         files.
25550         * config/arm/t-arm: Update dependency rules.
25551         * common/config/arm/arm-common.c: Include arm-cpu-cdata.h instead
25552         of processing .def files.
25553         * config/arm/genopt.sh: Deleted.
25554         * config/arm/gentune.sh: Deleted.
25555         * config/arm/arm-cores.def: Deleted.
25556         * config/arm/arm-arches.def: Deleted.
25557         * config/arm/arm-fpus.def: Deleted.
25558         * config/arm/arm-tune.md: Regenerated.
25559         * config/arm/arm-tables.opt: Regenerated.
25560         * config/arm/arm-cpu.h: New generated file.
25561         * config/arm/arm-cpu-data.h: New generated file.
25562         * config/arm/arm-cpu-cdata.h: New generated file.
25563
25564 2017-01-11  Maxim Ostapenko  <m.ostapenko@samsung.com>
25565
25566         PR lto/79042
25567         * lto-cgraph.c (lto_output_varpool_node): Pack dynamically_initialized
25568         bit.
25569         (input_varpool_node): Unpack dynamically_initialized bit.
25570
25571 2017-01-11  Eric Botcazou  <ebotcazou@adacore.com>
25572
25573         PR rtl-optimization/79032
25574         * lra-constraints.c (simplify_operand_subreg): In the MEM case, test
25575         the alignment of the adjusted memory reference against that of MODE,
25576         instead of the alignment of the original memory reference.
25577
25578 2017-01-11  Martin Jambor  <mjambor@suse.cz>
25579
25580         * hsa.c (hsa_callable_function_p): Revert addition of DECL_ARTIFICIAL
25581         test.
25582         * ipa-hsa.c (process_hsa_functions): Only duplicate non-artificial
25583         decorated functions.
25584
25585 2017-01-11  Richard Biener  <rguenther@suse.de>
25586
25587         * tree-vrp.c (evrp_dom_walker::before_dom_children): Also
25588         set range/nonnull info for PHI results.  Do not set it on
25589         stmts marked for removal.
25590
25591 2017-01-10  Eric Botcazou  <ebotcazou@adacore.com>
25592
25593         * expr.c (store_field): In the bitfield case, fetch the return value
25594         from the registers before applying a single big-endian adjustment.
25595         Always do a final load for a BLKmode value not larger than a word.
25596
25597 2017-01-10  David Malcolm  <dmalcolm@redhat.com>
25598
25599         PR c++/77949
25600         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25601         that we correctly handle column numbers greater than
25602         LINE_MAP_MAX_COLUMN_NUMBER.
25603
25604 2017-01-10  Martin Sebor  <msebor@redhat.com>
25605
25606         PR middle-end/78245
25607         * gimple-ssa-sprintf.c (get_destination_size): Call
25608         {init,fini}object_sizes.
25609         * tree-object-size.c (addr_object_size): Adjust.
25610         (pass_through_call): Adjust.
25611         (pass_object_sizes::execute): Adjust.
25612         * tree-object-size.h (fini_object_sizes): Declare.
25613
25614 2017-01-10  Martin Sebor  <msebor@redhat.com>
25615
25616         PR tree-optimization/78775
25617         * builtins.c (get_size_range): Move...
25618         * calls.c: ...to here.
25619         (alloc_max_size): Accept zero argument.
25620         (operand_signed_p): Remove.
25621         (maybe_warn_alloc_args_overflow): Call get_size_range.
25622         * calls.h (get_size_range): Declare.
25623
25624 2017-01-10  Joe Seymour  <joe.s@somniumtech.com>
25625
25626         * config/msp430/driver-msp430.c (msp430_mcu_data): Sync with data
25627         from TI's devices.csv file as of September 2016.
25628         * config/msp430/msp430.c (msp430_mcu_data): Likewise.
25629
25630 2017-01-10  Sandra Loosemore  <sandra@codesourcery.com>
25631
25632         * doc/extend.texi: Tweak formatting to fix overfull hbox warnings.
25633         * doc/invoke.texi: Likewise.
25634         * doc/md.texi: Likewise.
25635         * doc/objc.texi: Likewise.
25636
25637 2017-01-10  Joshua Conner  <joshconner@google.com>
25638
25639         * config/arm/fuchsia-elf.h: New file.
25640         * config/fuchsia.h: New file.
25641         * config.gcc (*-*-fuchsia*): Set native_system_header_dir.
25642         (aarch64*-*-fuchsia*, arm*-*-fuchsia*, x86_64-*-fuchsia*): Add to
25643         targets.
25644         * config.host: (aarch64*-*-fuchsia*, arm*-*-fuchsia*): Add to hosts.
25645
25646 2016-01-10  Richard Biener  <rguenther@suse.de>
25647
25648         PR tree-optimization/79034
25649         * tree-call-cdce.c (shrink_wrap_one_built_in_call_with_conds):
25650         Propagate out degenerate PHIs in the joiner.
25651
25652 2017-01-10  Martin Liska  <mliska@suse.cz>
25653
25654         * ipa-icf.c (sort_sem_items_by_decl_uid): New function.
25655         (sort_congruence_classes_by_decl_uid): Likewise.
25656         (sort_congruence_class_groups_by_decl_uid): Likewise.
25657         (sem_item_optimizer::merge_classes): Sort class, groups in these
25658         classes and members in the groups by DECL_UID of declarations.
25659         This would make merge operations stable.
25660
25661 2017-01-10  Martin Liska  <mliska@suse.cz>
25662
25663         * ipa-icf.c (sem_item_optimizer::sem_item_optimizer): Remove
25664         usage of m_classes_vec.
25665         (sem_item_optimizer::~sem_item_optimizer):  Likewise.
25666         (sem_item_optimizer::get_group_by_hash): Likewise.
25667         (sem_item_optimizer::subdivide_classes_by_equality): Likewise.
25668         (sem_item_optimizer::subdivide_classes_by_sensitive_refs): Likewise.
25669         (sem_item_optimizer::verify_classes): Likewise.
25670         (sem_item_optimizer::process_cong_reduction): Likewise.
25671         (sem_item_optimizer::dump_cong_classes): Likewise.
25672         (sem_item_optimizer::merge_classes): Likewise.
25673         * ipa-icf.h (congruence_class_hash): Rename from
25674         congruence_class_group_hash.  Remove declaration of m_classes_vec.
25675
25676 2017-01-10  Andrew Senkevich  <andrew.senkevich@intel.com>
25677
25678         * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512VPOPCNTDQ_SET,
25679         OPTION_MASK_ISA_AVX512VPOPCNTDQ_UNSET): New.
25680         * config.gcc: Add avx512vpopcntdqintrin.h.
25681         * config/i386/avx512vpopcntdqintrin.h: New.
25682         * config/i386/cpuid.h (bit_AVX512VPOPCNTDQ): New.
25683         * config/i386/i386-builtin-types.def: Add new types.
25684         * config/i386/i386-builtin.def (__builtin_ia32_vpopcountd_v16si,
25685         __builtin_ia32_vpopcountd_v16si_mask, __builtin_ia32_vpopcountq_v8di,
25686         __builtin_ia32_vpopcountq_v8di_mask): New.
25687         * config/i386/i386-c.c (ix86_target_macros_internal): Define
25688         __AVX512VPOPCNTDQ__.
25689         * config/i386/i386.c (ix86_target_string): Add -mavx512vpopcntdq.
25690         (PTA_AVX512VPOPCNTDQ): Define.
25691         * config/i386/i386.h (TARGET_AVX512VPOPCNTDQ,
25692         TARGET_AVX512VPOPCNTDQ_P): Define.
25693         * config/i386/i386.opt: Add mavx512vpopcntdq.
25694         * config/i386/immintrin.h: Include avx512vpopcntdqintrin.h.
25695         * config/i386/sse.md (define_insn "vpopcount<mode><mask_name>"): New.
25696
25697 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25698
25699         PR middle-end/77484
25700         * predict.def (PRED_CALL): Set to 67.
25701
25702 2017-01-09  Eric Botcazou  <ebotcazou@adacore.com>
25703
25704         * expr.c (store_field): In the bitfield case, if the value comes from
25705         a function call and is of an aggregate type returned in registers, do
25706         not modify the field mode; extract the value in all cases if the mode
25707         is BLKmode and the size is not larger than a word.
25708
25709 2017-01-09  Dominique d'Humieres  <dominiq@lps.ens.fr>
25710
25711         PR target/71017
25712         * config/i386/cpuid.h: Fix undefined behavior.
25713
25714 2017-01-04  Jeff Law  <law@redhat.com>
25715
25716         PR tree-optimization/79007
25717         PR tree-optimization/67955
25718         * tree-ssa-alias.c (same_addr_size_stores_p): Only need to be
25719         conservative for pt.null when flag_non_call_exceptions is on.
25720
25721 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25722
25723         PR translation/79019
25724         PR translation/79020
25725         * params.def (PARAM_INLINE_MIN_SPEEDUP,
25726         PARAM_IPA_CP_SINGLE_CALL_PENALTY,
25727         PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD): Fix typos
25728         in descriptions.
25729         * config/avr/avr.opt (maccumulate-args): Likewise.
25730         * config/msp430/msp430.opt (mwarn-mcu): Likewise.
25731         * common.opt (freport-bug): Likewise.
25732         * cif-code.def (CIF_FINAL_ERROR): Likewise.
25733         * doc/invoke.texi (ipa-cp-single-call-penalty): Likewise.
25734         * config/s390/s390.c (s390_invalid_binary_op): Fix spelling in
25735         translatable string.
25736         * config/i386/i386.c (function_value_32): Likewise.
25737         * config/nios2/nios2.c (nios2_valid_target_attribute_rec): Likewise.
25738         * config/msp430/msp430.c (msp430_option_override, msp430_attr):
25739         Likewise.
25740         * config/msp430/driver-msp430.c (msp430_select_hwmult_lib): Likewise.
25741         * common/config/msp430/msp430-common.c (msp430_handle_option):
25742         Likewise.
25743         * symtab.c (symtab_node::verify_base): Likewise.
25744         * opts.c (set_debug_level): Likewise.
25745         * tree.c (verify_type_variant): Likewise.  Fix typo in comment.
25746         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Add
25747         missing whitespace to translatable strings.
25748         * config/avr/avr.md (bswapsi2): Fix typo in comment.
25749         * config/sh/superh.h: Likewise.
25750         * config/i386/xopintrin.h: Likewise.
25751         * config/i386/znver1.md: Likewise.
25752         * config/rs6000/rs6000.c (struct rs6000_opt_mask): Likewise.
25753         * ipa-inline-analysis.c (compute_inline_parameters): Likewise.
25754         * double-int.h (struct double_int): Likewise.
25755         * double-int.c (div_and_round_double): Likewise.
25756         * wide-int.cc: Likewise.
25757         * tree-ssa.c (non_rewritable_mem_ref_base): Likewise.
25758         * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise.
25759         * cfgcleanup.c (crossjumps_occured): Renamed to ...
25760         (crossjumps_occurred): ... this.
25761         (try_crossjump_bb, try_head_merge_bb, try_optimize_cfg, cleanup_cfg):
25762         Adjust all uses.
25763
25764         PR tree-optimization/78899
25765         * tree-if-conv.c (version_loop_for_if_conversion): Instead of
25766         returning bool return struct loop *, NULL for failure and the new
25767         loop on success.
25768         (versionable_outer_loop_p): Don't version outer loop if it has
25769         dont_vectorized bit set.
25770         (tree_if_conversion): When versioning outer loop, ensure
25771         tree_if_conversion is performed also on the inner loop of the
25772         non-vectorizable outer loop copy.
25773         * tree-vectorizer.c (set_uid_loop_bbs): Formatting fix.  Fold
25774         LOOP_VECTORIZED in inner loop of the scalar outer loop and
25775         prevent vectorization of it.
25776         (vectorize_loops): For outer + inner LOOP_VECTORIZED, ensure
25777         the outer loop vectorization of the non-scalar version is attempted
25778         before vectorization of the inner loop in scalar version.  If
25779         outer LOOP_VECTORIZED guarded loop is not vectorized, prevent
25780         vectorization of its inner loop.
25781         * tree-vect-loop-manip.c (rename_variables_in_bb): If outer_loop
25782         has 2 inner loops, rename also on edges from bb whose single pred
25783         is outer_loop->header.  Fix typo in function comment.
25784
25785 2017-01-09  Martin Sebor  <msebor@redhat.com>
25786
25787         PR bootstrap/79033
25788         * asan.c (asan_emit_stack_protection): Increase local buffer size
25789         to avoid snprintf truncation warning.
25790
25791 2017-01-09  Andrew Pinski  <apinski@cavium.com>
25792
25793         * config/aarch64/aarch64-cores.def: Add thunderx2t99.  Change vulcan
25794         to reference thunderx2t99 for the tuning structure
25795         * config/aarch64/aarch64-cost-tables.h (vulcan_extra_costs):
25796         Rename to ...
25797         (thunderx2t99_extra_costs): This.
25798         * config/aarch64/aarch64-tune.md: Regenerate.
25799         * config/aarch64/aarch64.c (vulcan_addrcost_table): Rename to ...
25800         (vulcan_addrcost_table): This.
25801         (vulcan_regmove_cost): Rename to ...
25802         (thunderx2t99_regmove_cost): This.
25803         (vulcan_vector_cost): Rename to ...
25804         (thunderx2t99_vector_cost): this.
25805         (vulcan_branch_cost): Rename to ...
25806         (thunderx2t99_branch_cost): This.
25807         (vulcan_tunings): Rename to ...
25808         (thunderx2t99_tunings): This and s/vulcan/thunderx2t99 .
25809         * doc/invoke.texi (AARCH64/mtune): Add thunderx2t99.
25810
25811 2017-01-09  Martin Jambor  <mjambor@suse.cz>
25812
25813         PR ipa/78365
25814         PR ipa/78599
25815         * ipa-prop.h (ipa_jump_func): Swap positions of vr_known and m_vr.
25816         * ipa-cp.c (ipa_vr_operation_and_type_effects): New function.
25817         (propagate_vr_accross_jump_function): Use the above function for all
25818         value range computations for pass-through jump functions and type
25819         converasion from explicit value range values.
25820         (ipcp_propagate_stage): Do not attempt to deduce types of formal
25821         parameters from TYPE_ARG_TYPES.
25822         * ipa-prop.c (ipa_write_jump_function): Remove trailing whitespace.
25823         (ipa_write_node_info): Stream type of the actual argument.
25824         (ipa_read_node_info): Likewise. Also remove trailing whitespace.
25825
25826 2017-01-09  Martin Liska  <mliska@suse.cz>
25827
25828         PR pch/78970
25829         * gcc.c (driver_handle_option): Handle OPT_E and set have_E.
25830         (lookup_compiler): Do not show error message with have_E.
25831
25832 2017-01-09  Jakub Jelinek  <jakub@redhat.com>
25833
25834         PR tree-optimization/78938
25835         * tree-vect-stmts.c (vectorizable_condition): For non-masked COND_EXPR
25836         where comp_vectype is VECTOR_BOOLEAN_TYPE_P, use
25837         BIT_{NOT,XOR,AND,IOR}_EXPR on the comparison operands instead of
25838         {EQ,NE,GE,GT,LE,LT}_EXPR directly inside of VEC_COND_EXPR.  Formatting
25839         fixes.
25840
25841 2017-01-09  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
25842
25843         * tree-ssa-address.c (gen_addr_rtx): Don't handle index if it
25844         is const0_rtx.
25845
25846 2017-01-09  Richard Biener  <rguenther@suse.de>
25847
25848         PR tree-optimization/78997
25849         * tree-vect-slp.c (vect_mask_constant_operand_p): Handle SSA
25850         name condition properly.
25851
25852 2017-01-09  Richard Biener  <rguenther@suse.de>
25853
25854         PR debug/79000
25855         * dwarf2out.c (is_cxx): New overload with context.
25856         (is_naming_typedef_decl): Use it.
25857
25858 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25859
25860         * invoke.texi (Option Summary): Correct spacing in option lists
25861         and add line breaks to fix over-long lines.
25862
25863 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25864
25865         PR middle-end/17660
25866
25867         * extend.texi (Common Variable Attributes): Add xref to GCC
25868         Internals manual to explain mode attribute keywords.
25869
25870 2017-01-08  Sandra Loosemore  <sandra@codesourcery.com>
25871
25872         PR other/16519
25873         * doc/invoke.texi (Option Summary): Move -pthread to Linker Options
25874         and Preprocessor Options.
25875         (Options for Linking): Document -pthread here....
25876         (RS/6000 and PowerPC Options): ...not here.
25877         (Solaris 2 Options): ...or here.
25878         * doc/cppopts.texi: Document -pthread.
25879
25880 2017-01-08  Martin Sebor  <msebor@redhat.com>
25881
25882         PR middle-end/77708
25883         * doc/invoke.texi (Warning Options): Document -Wformat-truncation.
25884         * gimple-ssa-sprintf.c (call_info::reval_used, call_info::warnopt):
25885         New member functions.
25886         (format_directive): Used them.
25887         (add_bytes): Same.
25888         (pass_sprintf_length::handle_gimple_call): Same.
25889         * graphite-sese-to-poly.c (tree_int_to_gmp): Increase buffer size
25890         to avoid truncation for any argument.
25891         (extract_affine_mul): Same.
25892         * tree.c (get_file_function_name): Same.
25893
25894 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
25895
25896         PR middle-end/77484
25897         * predict.def (PRED_INDIR_CALL): Set to 86.
25898
25899 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25900
25901         PR preprocessor/54124
25902         * doc/cppopts.texi: Reformat -d subtable to list the full name
25903         of the options.  Add cross-reference to the docs for the general
25904         compiler -d options.
25905         * doc/invoke.texi (Developer Options): Add cross-reference to the
25906         preprocessor-specific -d option documentation.
25907
25908 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25909
25910         PR preprocessor/13498
25911         * doc/cpp.texi (Search Path): Rewrite to remove obsolete and
25912         redudant material, and reflect new command-line options.
25913         (System Headers): Likewise.
25914
25915 2017-01-07  Sandra Loosemore  <sandra@codesourcery.com>
25916
25917         * doc/cppdiropts.texi: Merge documentation of -I, -iquote,
25918         -isystem, and -idirafter.  Copy-edit.
25919         * doc/cppopts.texi: Copy-edit.  Remove contradiction about
25920         default for -ftrack-macro-expansion.  Delete obsolete and
25921         badly-formatted implementation details about -fdebug-cpp output.
25922         * doc/cppwarnopts.texi: Copy-edit.
25923
25924 2017-01-07  David Malcolm  <dmalcolm@redhat.com>
25925
25926         PR c++/72803
25927         * input.c (selftest::test_accessing_ordinary_linemaps): Verify
25928         that the transition from a max line width >= 1<<10 to narrower
25929         lines works correctly.
25930
25931 2017-01-07  Alexandre Oliva <aoliva@redhat.com>
25932
25933         * doc/options.texi (PerFunction): New.
25934         * opt-functions.awk (switch_flags): Map both Optimization and
25935         PerFunction to CL_OPTIMIZATION.
25936         * opth-gen.awk: Test for PerFunction flag along with
25937         Optimization.
25938         * optc-save-gen.awk: Likewise.  Introduce var_opt_hash and set
25939         it only when the latter is present.  Skip those that don't in
25940         the hash function generator.
25941         * common.opt (fvar-tracking): Mark as PerFunction instead of
25942         Optimization.
25943         (fvar-tracking-assignments): Likewise.
25944         (fvar-tracking-assignments-toggle): Likewise.
25945         (fvar-tracking-uninit): Likewise.
25946
25947 2017-01-07  Jakub Jelinek  <jakub@redhat.com>
25948
25949         PR translation/79018
25950         * params.def (PARAM_MAX_STORES_TO_MERGE): Add missing space between
25951         the and store.
25952
25953 2017-01-06  Mikael Pettersson  <mikpelinux@gmail.com>
25954
25955         PR target/57583
25956         * config/m68k/m68k.opt (LONG_JUMP_TABLE_OFFSETS): New option.
25957         * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Handle
25958         TARGET_LONG_JUMP_TABLE_OFFSETS.
25959         * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
25960         * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
25961         * config/m68k/m68k.h (CASE_VECTOR_MODE): Likewise.
25962         (ASM_OUTPUT_ADDR_DIFF_ELF): Likewise.
25963         * config/m68k/m68k.md (tablejump expander): Likewise.
25964         (*tablejump_pcrel_hi): Renamed from unnamed insn, reject
25965         TARGET_LONG_JUMP_TABLE_OFFSETS.
25966         (*tablejump_pcrel_si): New insn, handle TARGET_LONG_JUMP_TABLE_OFFSETS.
25967         * doc/invoke.texi (M68K options): Add -mlong-jump-table-offsets.
25968
25969 2017-01-06  Edgar E. Iglesias <edgar.iglesias@xilinx.com>
25970             David Holsgrove <david.holsgrove@xilinx.com>
25971
25972         * common/config/microblaze/microblaze-common.c
25973         (TARGET_EXCEPT_UNWIND_INFO): Remove.
25974         * config/microblaze/microblaze-protos.h (microblaze_eh_return):
25975         New prototype.
25976         * config/microblaze/microblaze.c (microblaze_must_save_register)
25977         (microblaze_expand_epilogue, microblaze_return_addr): Handle
25978         calls_eh_return.
25979         (microblaze_eh_return): New function.
25980         * config/microblaze/microblaze.h (RETURN_ADDR_OFFSET)
25981         (EH_RETURN_DATA_REGNO, MB_EH_STACKADJ_REGNUM)
25982         (EH_RETURN_STACKADJ_RTX, ASM_PREFERRED_EH_DATA_FORMAT): New macros.
25983         * config/microblaze/microblaze.md (eh_return): New pattern.
25984
25985 2017-01-06  Jakub Jelinek  <jakub@redhat.com>
25986
25987         * system.h (GCC_DIAGNOSTIC_PUSH_IGNORED, GCC_DIAGNOSTIC_POP,
25988         GCC_DIAGNOSTIC_STRINGIFY): Define.
25989
25990         * read-rtl.c (rtx_reader::read_rtx_code): Avoid -Wsign-compare warning.
25991
25992 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
25993
25994         * config/arm/arm.md (<mcrr>): New.
25995         (<mrrc>): New.
25996         * config/arm/arm.c (arm_arch5te): New.
25997         (arm_option_override): Set arm_arch5te.
25998         (arm_coproc_builtin_available): Add support for mcrr, mcrr2, mrrc
25999         and mrrc2.
26000         * config/arm/arm-builtins.c (MCRR_QUALIFIERS): Define to...
26001         (arm_mcrr_qualifiers): ... this. New.
26002         (MRRC_QUALIFIERS): Define to...
26003         (arm_mrrc_qualifiers): ... this. New.
26004         * config/arm/arm_acle.h (__arm_mcrr, __arm_mcrr2, __arm_mrrc,
26005         __arm_mrrc2): New.
26006         * config/arm/arm_acle_builtins.def (mcrr, mcrr2, mrrc, mrrc2): New.
26007         * config/arm/iterators.md (MCRRI, mcrr, MCRR): New.
26008         (MRRCI, mrrc, MRRC): New.
26009         * config/arm/unspecs.md (VUNSPEC_MCRR, VUNSPEC_MCRR2, VUNSPEC_MRRC,
26010         VUNSPEC_MRRC2): New.
26011
26012 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26013
26014         * config/arm/arm.md (<mcr>): New.
26015         (<mrc>): New.
26016         * config/arm/arm.c (arm_coproc_builtin_available): Add
26017         support for mcr, mrc, mcr2 and mrc2.
26018         * config/arm/arm-builtins.c (MCR_QUALIFIERS): Define to...
26019         (arm_mcr_qualifiers): ... this. New.
26020         (MRC_QUALIFIERS): Define to ...
26021         (arm_mrc_qualifiers): ... this. New.
26022         (MCR_QUALIFIERS): Define to ...
26023         (arm_mcr_qualifiers): ... this. New.
26024         * config/arm/arm_acle.h (__arm_mcr, __arm_mrc, __arm_mcr2,
26025         __arm_mrc2): New.
26026         * config/arm/arm_acle_builtins.def (mcr, mcr2, mrc, mrc2): New.
26027         * config/arm/iterators.md (MCRI, mcr, MCR, MRCI, mrc, MRC): New.
26028         * config/arm/unspecs.md (VUNSPEC_MCR, VUNSPEC_MCR2, VUNSPEC_MRC,
26029         VUNSPEC_MRC2): New.
26030
26031 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26032
26033         * config/arm/arm.md (*ldc): New.
26034         (*stc): New.
26035         (<ldc>): New.
26036         (<stc>): New.
26037         * config/arm/arm.c (arm_coproc_builtin_available): Add
26038         support for ldc,ldcl,stc,stcl,ldc2,ldc2l,stc2 and stc2l.
26039         (arm_coproc_ldc_stc_legitimate_address): New.
26040         * config/arm/arm-builtins.c (arm_type_qualifiers): Add
26041         'qualifier_const_pointer'.
26042         (LDC_QUALIFIERS): Define to...
26043         (arm_ldc_qualifiers): ... this. New.
26044         (STC_QUALIFIERS): Define to...
26045         (arm_stc_qualifiers): ... this. New.
26046         * config/arm/arm-protos.h
26047         (arm_coproc_ldc_stc_legitimate_address): New.
26048         * config/arm/arm_acle.h (__arm_ldc, __arm_ldcl, __arm_stc,
26049         __arm_stcl, __arm_ldc2, __arm_ldc2l, __arm_stc2, __arm_stc2l): New.
26050         * config/arm/arm_acle_builtins.def (ldc, ldc2, ldcl, ldc2l, stc,
26051         stc2, stcl, stc2l): New.
26052         * config/arm/constraints.md (Uz): New.
26053         * config/arm/iterators.md (LDCI, STCI, ldc, stc, LDC STC): New.
26054         * config/arm/unspecs.md (VUNSPEC_LDC, VUNSPEC_LDC2, VUNSPEC_LDCL,
26055         VUNSPEC_LDC2L, VUNSPEC_STC, VUNSPEC_STC2, VUNSPEC_STCL,
26056         VUNSPEC_STC2L): New.
26057
26058 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26059
26060         * config/arm/arm.md (<cdp>): New.
26061         * config/arm/arm.c (neon_const_bounds): Rename this ...
26062         (arm_const_bounds): ... this.
26063         (arm_coproc_builtin_available): New.
26064         * config/arm/arm-builtins.c (SIMD_MAX_BUILTIN_ARGS): Increase.
26065         (arm_type_qualifiers): Add 'qualifier_unsigned_immediate'.
26066         (CDP_QUALIFIERS): Define to...
26067         (arm_cdp_qualifiers): ... this. New.
26068         (void_UP): Define.
26069         (arm_expand_builtin_args): Add case for 6 arguments.
26070         * config/arm/arm-protos.h (neon_const_bounds): Rename this ...
26071         (arm_const_bounds): ... this.
26072         (arm_coproc_builtin_available): New.
26073         * config/arm/arm_acle.h (__arm_cdp): New.
26074         (__arm_cdp2): New.
26075         * config/arm/arm_acle_builtins.def (cdp): New.
26076         (cdp2): New.
26077         * config/arm/iterators.md (CDPI,CDP,cdp): New.
26078         * config/arm/neon.md: Rename all 'neon_const_bounds' to
26079         'arm_const_bounds'.
26080         * config/arm/types.md (coproc): New.
26081         * config/arm/unspecs.md (VUNSPEC_CDP, VUNSPEC_CDP2): New.
26082         * doc/extend.texi (ACLE): Add a mention of Coprocessor intrinsics.
26083         * doc/sourcebuild.texi (arm_coproc1_ok, arm_coproc2_ok,
26084         arm_coproc3_ok, arm_coproc4_ok): Document new effective targets.
26085
26086 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26087
26088         * config/arm/arm-builtins.c (arm_unsigned_binop_qualifiers): New.
26089         (UBINOP_QUALIFIERS): New.
26090         (si_UP): Define.
26091         (acle_builtin_data): New. Change comment.
26092         (arm_builtins): Remove ARM_BUILTIN_CRC32B, ARM_BUILTIN_CRC32H,
26093         ARM_BUILTIN_CRC32W, ARM_BUILTIN_CRC32CB, ARM_BUILTIN_CRC32CH,
26094         ARM_BUILTIN_CRC32CW. Add ARM_BUILTIN_ACLE_BASE and include
26095         arm_acle_builtins.def.
26096         (ARM_BUILTIN_ACLE_PATTERN_START): Define.
26097         (arm_init_acle_builtins): New.
26098         (CRC32_BUILTIN): Remove.
26099         (bdesc_2arg): Remove entries for crc32b, crc32h, crc32w,
26100         crc32cb, crc32ch and crc32cw.
26101         (arm_init_crc32_builtins): Remove.
26102         (arm_init_builtins): Use arm_init_acle_builtins rather
26103         than arm_init_crc32_builtins.
26104         (arm_expand_acle_builtin): New.
26105         (arm_expand_builtin): Use 'arm_expand_acle_builtin'.
26106         * config/arm/arm_acle_builtins.def: New.
26107
26108 2017-01-06  Andre Vieira  <andre.simoesdiasvieira@arm.com>
26109
26110         * config/arm/arm-builtins.c (neon_builtin_datum): Rename to ..
26111         (arm_builtin_datum): ... this.
26112         (arm_init_neon_builtin): Rename to ...
26113         (arm_init_builtin): ... this. Add a new parameters PREFIX
26114         and USE_SIG_IN_NAME.
26115         (arm_init_neon_builtins): Replace 'arm_init_neon_builtin' with
26116         'arm_init_builtin'. Replace type 'neon_builtin_datum' with
26117         'arm_builtin_datum'.
26118         (arm_init_vfp_builtins): Likewise.
26119         (builtin_arg): Rename enum's replacing 'NEON_ARG' with
26120         'ARG_BUILTIN' and add a 'ARG_BUILTIN_NEON_MEMORY.
26121         (arm_expand_neon_args): Rename to ...
26122         (arm_expand_builtin_args): ... this. Rename builtin_arg
26123         enum values and differentiate between ARG_BUILTIN_MEMORY
26124         and ARG_BUILTIN_NEON_MEMORY.
26125         (arm_expand_neon_builtin_1): Rename to ...
26126         (arm_expand_builtin_1): ... this. Rename builtin_arg enum
26127         values, arm_expand_builtin_args and add bool parameter NEON.
26128         (arm_expand_neon_builtin): Use arm_expand_builtin_1.
26129         (arm_expand_vfp_builtin): Likewise.
26130         (NEON_MAX_BUILTIN_ARGS): Remove, it was unused.
26131
26132 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26133
26134         PR middle-end/77484
26135         * predict.def (PRED_POLYMORPHIC_CALL): Set to 59.
26136         * predict.c (tree_estimate_probability_bb): Reverse direction of
26137         polymorphic call predictor.
26138
26139 2017-01-06  David Malcolm  <dmalcolm@redhat.com>
26140
26141         * passes.c (execute_one_pass): Split out pass-skipping logic into...
26142         (determine_pass_name_match): ...this new function and...
26143         (should_skip_pass_p): ...this new function.
26144
26145 2017-01-06  Nathan Sidwell  <nathan@acm.org>
26146
26147         * ipa-visibility.c (function_and_variable_visibility): Reformat
26148         comments and long lines.  Remove extrneous if.
26149         * symtab.c (symtab_node::make_decl_local): Fix code format.
26150         (symtab_node::set_section_for_node): Fix comment typo.
26151
26152 2017-01-06  Martin Liska  <mliska@suse.cz>
26153
26154         PR bootstrap/79003
26155         * lra-constraints.c: Rename invariant to lra_invariant.
26156         * predict.c (set_even_probabilities): Initialize e to NULL.
26157
26158 2017-01-05  Martin Sebor  <msebor@redhat.com>
26159
26160         PR tree-optimization/78910
26161         * gimple-ssa-sprintf.c (tree_digits): Add an argument.
26162         (format_integer): Correct off-by-one error in the handling
26163         of precision with negative numbers in signed conversions..
26164
26165 2017-01-05  Eric Botcazou  <ebotcazou@adacore.com>
26166
26167         * doc/invoke.texi (C Dialect Options): Adjust -fsso-struct entry.
26168
26169 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26170
26171         PR tree-optimization/71016
26172         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Pass cond_stmt to
26173         factor_out_conditional_conversion.  Formatting fix.
26174         (factor_out_conditional_conversion): Add cond_stmt argument.
26175         If arg1 is INTEGER_CST, punt if new_arg0 is not any operand of
26176         cond_stmt and if arg0_def_stmt is not the only stmt in its bb.
26177         Formatting fix.
26178
26179 2017-01-05  David Malcolm  <dmalcolm@redhat.com>
26180
26181         * Makefile.in (OBJS): Add read-md.o, read-rtl.o,
26182         read-rtl-function.o, and selftest-rtl.o.
26183         * config/aarch64/aarch64.c: Include selftest.h and selftest-rtl.h.
26184         (selftest::aarch64_test_loading_full_dump): New function.
26185         (selftest::aarch64_run_selftests): New function.
26186         (TARGET_RUN_TARGET_SELFTESTS): Wire it up to
26187         selftest::aarch64_run_selftests.
26188         * config/i386/i386.c
26189         (selftest::ix86_test_loading_dump_fragment_1): New function.
26190         (selftest::ix86_test_loading_call_insn): New function.
26191         (selftest::ix86_test_loading_full_dump): New function.
26192         (selftest::ix86_test_loading_unspec): New function.
26193         (selftest::ix86_run_selftests): Call the new functions.
26194         * emit-rtl.c (maybe_set_max_label_num): New function.
26195         * emit-rtl.h (maybe_set_max_label_num): New decl.
26196         * function.c (instantiate_decls): Guard call to
26197         instantiate_decls_1 with if (DECL_INITIAL (fndecl)).
26198         * function-tests.c (selftest::verify_three_block_rtl_cfg): Remove
26199         "static".
26200         * gensupport.c (gen_reader::gen_reader): Pass "false"
26201         for new "compact" param of rtx_reader.
26202         * print-rtl.c (rtx_writer::print_rtx_operand): Print "(nil)"
26203         rather than an empty string for NULL strings.
26204         * read-md.c: Potentially include config.h rather than bconfig.h.
26205         Wrap include of errors.h with #ifdef GENERATOR_FILE.
26206         (have_error): New global, copied from errors.c.
26207         (md_reader::read_name): Rename to...
26208         (md_reader::read_name_1): ...this, adding "out_loc" param,
26209         and converting "missing name or number" to returning false, rather
26210         than failing.
26211         (md_reader::read_name): Reimplement in terms of read_name_1.
26212         (md_reader::read_name_or_nil): New function.
26213         (md_reader::read_string): Handle "(nil)" by returning NULL.
26214         (md_reader::md_reader): Add new param "compact".
26215         (md_reader::read_md_files): Wrap with #ifdef GENERATOR_FILE.
26216         (md_reader::read_file): New method.
26217         * read-md.h (md_reader::md_reader): Add new param "compact".
26218         (md_reader::read_file): New method.
26219         (md_reader::is_compact): New accessor.
26220         (md_reader::read_name): Convert return type from void to file_location.
26221         (md_reader::read_name_or_nil): New decl.
26222         (md_reader::read_name_1): New decl.
26223         (md_reader::m_compact): New field.
26224         (noop_reader::noop_reader): Pass "false" for new "compact" param
26225         of rtx_reader.
26226         (rtx_reader::rtx_reader): Add new "compact" param.
26227         (rtx_reader::read_rtx_operand): Make virtual and convert return
26228         type from void to rtx.
26229         (rtx_reader::read_until): New decl.
26230         (rtx_reader::handle_any_trailing_information): New virtual function.
26231         (rtx_reader::postprocess): New virtual function.
26232         (rtx_reader::finalize_string): New virtual function.
26233         (rtx_reader::m_in_call_function_usage): New field.
26234         (rtx_reader::m_reuse_rtx_by_id): New field.
26235         * read-rtl-function.c: New file.
26236         * selftest-rtl.c (selftest::assert_rtx_ptr_eq_at): New function.
26237         * selftest-rtl.h (ASSERT_RTX_PTR_EQ): New macro.
26238         (selftest::verify_three_block_rtl_cfg): New decl.
26239         * read-rtl-function.h: New file.
26240         * read-rtl.c: Potentially include config.h rather than bconfig.h.
26241         For host, include function.h, memmodel.h, and emit-rtl.h.
26242         (one_time_initialization): New function.
26243         (struct compact_insn_name): New struct.
26244         (compact_insn_names): New array.
26245         (find_code): Handle insn codes in compact dumps.
26246         (apply_subst_iterator): Wrap with #ifdef GENERATOR_FILE.
26247         (bind_subst_iter_and_attr): Likewise.
26248         (add_condition_to_string): Likewise.
26249         (add_condition_to_rtx): Likewise.
26250         (apply_attribute_uses): Likewise.
26251         (add_current_iterators): Likewise.
26252         (apply_iterators): Likewise.
26253         (initialize_iterators): Guard usage of apply_subst_iterator with
26254         #ifdef GENERATOR_FILE.
26255         (read_conditions): Wrap with #ifdef GENERATOR_FILE.
26256         (md_reader::read_mapping): Likewise.
26257         (add_define_attr_for_define_subst): Likewise.
26258         (add_define_subst_attr): Likewise.
26259         (read_subst_mapping): Likewise.
26260         (check_code_iterator): Likewise.
26261         (rtx_reader::read_rtx): Likewise.  Move one-time initialization
26262         logic to...
26263         (one_time_initialization): New function.
26264         (rtx_reader::read_until): New method.
26265         (read_flags): New function.
26266         (parse_reg_note_name): New function.
26267         (rtx_reader::read_rtx_code): Initialize "iterator" to NULL.
26268         Handle reuse_rtx ids.
26269         Wrap iterator lookup within #ifdef GENERATOR_FILE.
26270         Add parsing support for RTL dumps, mirroring the special-cases in
26271         print_rtx, by calling read_flags, reading REG_NOTE names, INSN_UID
26272         values, and calling handle_any_trailing_information.
26273         (rtx_reader::read_rtx_operand): Convert return type from void
26274         to rtx, returning return_rtx.  Handle case 'e'.  Call
26275         finalize_string on XSTR and XTMPL fields.
26276         (rtx_reader::read_nested_rtx):  Handle dumps in which trailing
26277          "(nil)" values were omitted.  Call the postprocess vfunc on the
26278         return_rtx.
26279         (rtx_reader::rtx_reader): Add new "compact" param and pass to base
26280         class ctor.  Initialize m_in_call_function_usage.  Call
26281         one_time_initialization.
26282         * rtl-tests.c (selftest::test_uncond_jump): Call
26283         set_new_first_and_last_insn.
26284         * rtl.h (read_rtx): Wrap decl with #ifdef GENERATOR_FILE.
26285         * selftest-rtl.c: New file.
26286         * selftest-rtl.h (class selftest::rtl_dump_test): New class.
26287         (selftest::get_insn_by_uid): New decl.
26288         * selftest-run-tests.c (selftest::run_tests): Call
26289         read_rtl_function_c_tests.
26290         * selftest.h  (selftest::read_rtl_function_c_tests): New decl.
26291         * tree-dfa.c (ssa_default_def): Return NULL_TREE for rtl function
26292         dumps.
26293
26294 2017-01-05  Uros Bizjak  <ubizjak@gmail.com>
26295
26296         * config/i386/i386.md (*testqi_ext_3): No need to handle memory
26297         operands in a special way.  Assert that pos+len <= mode precision.
26298
26299 2017-01-05  Jakub Jelinek  <jakub@redhat.com>
26300
26301         * common.opt (fvect-cost-model): Remove RejectNegative flag, use
26302         3 argument Alias with unlimited for the negative form.
26303         (fno-vect-cost-model): Removed.
26304
26305 2017-01-05  Martin Liska  <mliska@suse.cz>
26306
26307         * hsa-gen.c (gen_hsa_divmod): New function.
26308         (gen_hsa_insn_for_internal_fn_call): Use the function for IFN_DIVMOD.
26309
26310 2017-01-05  Martin Liska  <mliska@suse.cz>
26311
26312         PR pch/78970
26313         * gcc.c (lookup_compiler): Reject '-' filename for a precompiled
26314         header.
26315
26316 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26317
26318         * config/s390/s390.c (s390_expand_setmem): Unroll the loop for
26319         small constant length operands.
26320
26321 2017-01-05  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
26322
26323         * config/s390/s390.c (s390_expand_setmem): Avoid overlapping bytes
26324         between loop iterations.
26325
26326 2017-01-05  Martin Liska  <mliska@suse.cz>
26327
26328         PR sanitizer/78815
26329         * gimplify.c (gimplify_decl_expr): Compare to
26330         asan_poisoned_variables instread of checking flags.
26331         (gimplify_target_expr): Likewise.
26332         (gimplify_expr): Likewise.
26333         (gimplify_function_tree): Conditionally initialize
26334         asan_poisoned_variables.
26335
26336 2017-01-04  Jeff Law  <law@redhat.com>
26337
26338         PR tree-optimizatin/78812
26339         * rtl.h (contains_mem_rtx_p): Prototype.
26340         * ifcvt.c (containts_mem_rtx_p): Move from here to...
26341         * rtlanal.c (contains_mem_rtx_p): Here and remove static linkage.
26342         * gcse.c (prune_expressions): Use contains_mem_rtx_p to discover
26343         and prune MEMs that are not at the toplevel of a SET_SRC rtx.  Look
26344         through ZERO_EXTEND and SIGN_EXTEND when trying to avoid pruning MEMs.
26345
26346 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26347
26348         * input.c (assert_char_at_range): Default-initialize actual_range.
26349
26350 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26351
26352         * df-scan.c (df_ref_create_structure): Make regno unsigned,
26353         to match the caller.
26354
26355 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26356
26357         * cfgexpand.c (expand_gimple_basic_block): Disregard debug
26358         insns after final jump in test to emit dummy move.
26359
26360 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26361
26362         * gimple-iterator.h (gsi_one_nondebug_before_end_p): New.
26363         * tree-eh.c (cleanup_empty_eh): Skip more debug stmts.
26364
26365 2017-01-04  Alexandre Oliva <aoliva@redhat.com>
26366
26367         * multiple_target.c (create_dispatcher_calls): Init e_next.
26368         * tree-ssa-loop-split.c (split_loop): Init border.
26369         * tree-vect-loop.c (vect_determine_vectorization_factor): Init
26370         scalar_type.
26371
26372 2017-01-04  Michael Meissner  <meissner@linux.vnet.ibm.com>
26373
26374         PR target/71977
26375         PR target/70568
26376         PR target/78823
26377         * config/rs6000/predicates.md (sf_subreg_operand): New predicate.
26378         (altivec_register_operand): Do not return true if the operand
26379         contains a SUBREG mixing SImode and SFmode.
26380         (vsx_register_operand): Likewise.
26381         (vsx_reg_sfsubreg_ok): New predicate.
26382         (vfloat_operand): Do not return true if the operand contains a
26383         SUBREG mixing SImode and SFmode.
26384         (vint_operand): Likewise.
26385         (vlogical_operand): Likewise.
26386         (gpc_reg_operand): Likewise.
26387         (int_reg_operand): Likewise.
26388         * config/rs6000/rs6000-protos.h (valid_sf_si_move): Add declaration.
26389         * config/rs6000/rs6000.c (valid_sf_si_move): New function to
26390         determine if a MOVSI or MOVSF operation contains SUBREGs that mix
26391         SImode and SFmode.
26392         (rs6000_emit_move_si_sf_subreg): New helper function.
26393         (rs6000_emit_move): Call rs6000_emit_move_si_sf_subreg to possbily
26394         fixup SUBREGs involving SImode and SFmode.
26395         * config/rs6000/vsx.md (SFBOOL_*): New constants that are operand
26396         numbers for the new peephole2 optimization.
26397         (peephole2 for SFmode unions): New peephole2 to optimize cases in
26398         the GLIBC math library that do AND/IOR/XOR operations on single
26399         precision floating point.
26400         * config/rs6000/rs6000.h (TARGET_NO_SF_SUBREG): New internal
26401         target macros to say whether we need to avoid SUBREGs mixing
26402         SImode and SFmode.
26403         (TARGET_ALLOW_SF_SUBREG): Likewise.
26404         * config/rs6000/rs6000.md (UNSPEC_SF_FROM_SI): New unspecs.
26405         (UNSPEC_SI_FROM_SF): Likewise.
26406         (iorxor): Change spacing.
26407         (and_ior_xor): New iterator for AND, IOR, and XOR.
26408         (movsi_from_sf): New insns for SImode/SFmode SUBREG support.
26409         (movdi_from_sf_zero_ext): Likewise.
26410         (mov<mode>_hardfloat, FMOVE32 iterator): Use register_operand
26411         instead of gpc_reg_operand.  Add SImode/SFmode SUBREG support.
26412         (movsf_from_si): New insn for SImode/SFmode SUBREG support.
26413         (fma<mode>4): Use gpc_reg_operand instead of register_operand.
26414         (fms<mode>4): Likewise.
26415         (fnma<mode>4): Likewise.
26416         (fnms<mode>4): Likewise.
26417         (nfma<mode>4): Likewise.
26418         (nfms<mode>4): Likewise.
26419
26420 2017-01-04  Marek Polacek  <polacek@redhat.com>
26421
26422         PR c++/64767
26423         * doc/invoke.texi: Document -Wpointer-compare.
26424
26425 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26426
26427         * optc-gen.awk: Emit #error for -W*/-f*/-m* Enum without
26428         RejectNegative.
26429
26430         * dwarf2out.c (output_loc_list): Don't throw away 64K+ location
26431         descriptions for -gdwarf-5 and emit them as uleb128 instead of
26432         2-byte data.
26433
26434 2017-01-04  Kelvin Nilsen  <kelvin@gcc.gnu.org>
26435
26436         PR target/78056
26437         * doc/sourcebuild.texi (PowerPC-specific attributes): Add
26438         documentation of the powerpc_popcntb_ok attribute.
26439         * config/rs6000/rs6000.c (rs6000_option_override_internal): Add
26440         code to issue warning messages if a requested CPU configuration is
26441         not supported by the binary (assembler and loader) toolchain.
26442         (spe_init_builtins): Add two assertions to prevent ICE if attempt is
26443         made to define a built-in function that has been disabled.
26444         (paired_init_builtins): Add assertion to prevent ICE if attempt is
26445         made to define a built-in function that has been disabled.
26446         (altivec_init_builtins): Add comment explaining why definition
26447         of the DST built-in functions is not preceded by an assertion
26448         check.  Add assertions to prevent ICE if attempts are made to
26449         define an altivec predicate or an abs* built-in function that has
26450         been disabled.
26451         (htm_init_builtins): Add comment explaining why definition of the
26452         htm built-in functions is not preceded by an assertion check.
26453
26454 2017-01-04  Jeff Law  <law@redhat.com>
26455
26456         PR tree-optimizatin/67955
26457         * tree-ssa-alias.c (same_addr_size_stores_p): Check offsets first.
26458         Allow any SSA_VAR_P as the base objects.  Use integer_zerop.  Verify
26459         the points-to solution does not include pt_null.  Use DECL_PT_UID
26460         unconditionally.
26461
26462 2017-01-04  Uros Bizjak  <ubizjak@gmail.com>
26463
26464         * config/i386/i386.md (HI/SImode test with imm to QImode splitters):
26465         Use gen_int_mode instead of gen_lopwart for const_int operands.
26466
26467 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26468
26469         PR tree-optimization/71563
26470         * match.pd: Simplify X << Y into X if Y is known to be 0 or
26471         out of range value - has low bits known to be zero.
26472
26473 2017-01-04  Alan Modra  <amodra@gmail.com>
26474
26475         * Makefile.in (aclocal_deps): Update and order as per aclocal.m4.
26476         * configure: Regenerate.
26477         * config.in: Regenerate.
26478
26479 2017-01-04  Jakub Jelinek  <jakub@redhat.com>
26480
26481         PR bootstrap/77569
26482         * input.c (ebcdic_execution_charset::on_error): Don't use strstr for
26483         a substring of the message, but strcmp with the whole message.  Ifdef
26484         ENABLE_NLS, translate the message first using dgettext.
26485
26486 2017-01-03  Jeff Law  <law@redhat.com>
26487
26488         PR tree-optimizatin/78856
26489         * tree-ssa-threadupdate.c: Include tree-vectorizer.h.
26490         (mark_threaded_blocks): Remove code to truncate thread paths that
26491         cross multiple loop headers.  Instead invalidate the cached loop
26492         iteration information and handle case of a thread path walking
26493         into an irreducible region.
26494
26495 2017-01-03  Michael Meissner  <meissner@linux.vnet.ibm.com>
26496
26497         PR target/78900
26498         * config/rs6000/rs6000.c (rs6000_split_signbit): Change some
26499         assertions.  Add support for doing the signbit if the IEEE 128-bit
26500         floating point value is in a GPR.
26501         * config/rs6000/rs6000.md (Fsignbit): Delete.
26502         (signbit<mode>2_dm): Delete using <Fsignbit> and just use "wa".
26503         Update the length attribute if the value is in a GPR.
26504         (signbit<mode>2_dm_<su>ext): Add combiner pattern to eliminate
26505         the sign or zero extension instruction, since the value is always 0/1.
26506         (signbit<mode>2_dm2): Delete using <Fsignbit>.
26507
26508         PR target/78953
26509         * config/rs6000/vsx.md (vsx_extract_<mode>_store_p9): If we are
26510         extracting SImode to a GPR register so that we can generate a
26511         store, limit the vector to be in a traditional Altivec register
26512         for the vextuwrx instruction.
26513
26514 2017-01-03  Ian Lance Taylor  <iant@google.com>
26515
26516         * godump.c (go_format_type): Treat ENUMERAL_TYPE like INTEGER_TYPE.
26517
26518 2017-01-03  Martin Sebor  <msebor@redhat.com>
26519
26520         PR tree-optimization/78696
26521         * gimple-ssa-sprintf.c (format_floating): Correct handling of
26522         precision.  Use MPFR for %f for greater fidelity.  Correct handling
26523         of %g.
26524         (pass_sprintf_length::compute_format_length): Set width and precision
26525         specified by asrerisk to void_node for vararg functions.
26526         (try_substitute_return_value): Adjust dump output.
26527
26528 2017-01-03  David Edelsohn  <dje.gcc@gmail.com>
26529
26530         * doc/invoke.texi (RS6000 options): LRA is enabled by default.
26531
26532 2017-01-03  Eric Botcazou  <ebotcazou@adacore.com>
26533
26534         * doc/invoke.texi (SPARC options): Document -mlra as the default.
26535         * config/sparc/sparc.c (sparc_option_override): Force LRA unless
26536         -mlra/-mno-lra was passed to the compiler.
26537
26538 2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>
26539
26540         PR rtl-optimization/65618
26541         * emit-rtl.c (try_split): Move initialization of "before" and
26542         "after" to just before the call to emit_insn_after_setloc.
26543
26544 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
26545
26546         * doc/md.texi (Standard Names): Remove reference to Java frontend.
26547
26548 2017-01-03  Pierre-Marie de Rodat  <derodat@adacore.com>
26549
26550         * dwarf2out.c (gen_enumeration_type_die): When
26551         -gno-strict-dwarf, add a DW_AT_encoding attribute.
26552
26553 2017-01-03  Jakub Jelinek  <jakub@redhat.com>
26554
26555         PR tree-optimization/78965
26556         * gimple-ssa-sprintf.c (pass_sprintf_length::compute_format_length):
26557         Change first argument from const call_info & to call_info &.  For %n
26558         set info.nowrite to false.
26559
26560         PR middle-end/78901
26561         * gimple-ssa-sprintf.c (try_substitute_return_value): Don't change
26562         possibly throwing calls.
26563
26564         * genmatch.c (dt_node::gen_kids_1): If generic_exprs include SSA_NAME
26565         and exprs_len || fns_len, emit the code for SSA_NAME next to the exprs
26566         and fns handling, rather than in a separate case SSA_NAME.
26567
26568 2017-01-02  Jeff Law  <law@redhat.com>
26569
26570         * config/darwin-driver.c (darwin_driver_init): Const-correctness
26571         fixes for first_period and second_period variables.
26572
26573 2017-01-02  Uros Bizjak  <ubizjak@gmail.com>
26574
26575         PR target/78967
26576         * config/i386/i386.md (UNSPEC_NOREX_MEM): New unspec.
26577         (*insvqi_1): New insn pattern.
26578         (*insvqi_1_mem_rex64): Ditto.
26579         (*insvqi_2): Ditto.
26580         (*insvqi_3): Rename from *insvqi.
26581
26582         (*extzvqi_mem_rex64): Add UNSPEC_NOREX_MEM tag.
26583
26584 2017-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
26585
26586         * doc/cfg.texi (Edges): Remove reference to Java.
26587         (Maintaining the CFG): Ditto.
26588
26589 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26590
26591         PR middle-end/77674
26592         * symtab.c (symtab_node::binds_to_current_def_p): Fix handling of
26593         transparent aliases.
26594
26595 2017-01-01  Jan Hubicka  <hubicka@ucw.cz>
26596
26597         PR middle-end/77484
26598         * predict.def (PRED_CALL): Update hitrate.
26599         (PRED_INDIR_CALL, PRED_POLYMORPHIC_CALL): New predictors.
26600         * predict.c (tree_estimate_probability_bb): Split CALL predictor
26601         into direct/indirect/polymorphic variants.
26602
26603 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
26604
26605         Update copyright years.
26606
26607         * gcc.c (process_command): Update copyright notice dates.
26608         * gcov-dump.c (print_version): Ditto.
26609         * gcov.c (print_version): Ditto.
26610         * gcov-tool.c (print_version): Ditto.
26611         * gengtype.c (create_file): Ditto.
26612         * doc/cpp.texi: Bump @copying's copyright year.
26613         * doc/cppinternals.texi: Ditto.
26614         * doc/gcc.texi: Ditto.
26615         * doc/gccint.texi: Ditto.
26616         * doc/gcov.texi: Ditto.
26617         * doc/install.texi: Ditto.
26618         * doc/invoke.texi: Ditto.
26619 \f
26620 Copyright (C) 2017 Free Software Foundation, Inc.
26621
26622 Copying and distribution of this file, with or without modification,
26623 are permitted in any medium without royalty provided the copyright
26624 notice and this notice are preserved.