gcc/ChangeLog

   1 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
   2
   3         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
   4         objc_abi == 2.
   5         * config/darwin.c (output_objc_section_asm_op): Added support for
   6         ABI v1 and v2.
   7         (is_objc_metadata): New.
   8         (darwin_objc2_section): New.
   9         (darwin_objc1_section): New.
  10         (machopic_select_section): Added support for ABI v1 and v2.
  11         (darwin_emit_objc_zeroed): New.
  12         (darwin_output_aligned_bss): Detect objc metadata and treat it
  13         appropriately.
  14         (darwin_asm_output_aligned_decl_common): Same.
  15         (darwin_asm_output_aligned_decl_local): Same.
  16         * config/darwin-sections.def: Updated for ABI v1 and v2.
  17         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
  18         compiling Objective-C code for the NeXT runtime, default to using
  19         ABI version 0 for 32-bit, and version 2 for 64-bit.
  20
  21 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  22
  23         * common.opt (optimize_fast): New Variable.
  24         * opts.c (default_options_optimization): Use opts->x_optimize_fast
  25         instead of local variable ofast.
  26
  27 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
  28
  29         * doc/invoke.texi (fobjc-abi-version): Documented.
  30         (fobjc-nilcheck): Documented.
  31         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
  32         version.
  33
  34 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  35
  36         PR driver/47390
  37         * common.opt (export-dynamic): New Driver option.
  38         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
  39
  40 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  41
  42         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
  43
  44 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
  45             Jan Hubicka  <jh@suse.cz>
  46
  47         PR debug/47106
  48         PR debug/47402
  49         * cfgexpand.c (account_used_vars_for_block): Remove.
  50         (estimated_stack_frame_size): Use referenced vars.
  51         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
  52         that were referenced in the original function.  Test src_fn
  53         rather than cfun.  Drop redundant get_var_ann.
  54         (setup_one_parameter): Drop redundant get_var_ann.
  55         (declare_return_variable): Likewise.
  56         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
  57         (copy_arguments_for_versioning): Drop redundant get_var_ann.
  58         * ipa-inline.c (compute_inline_parameters): Do not compute
  59         disregard_inline_limits here.
  60         are not available.
  61         (compute_inlinable_for_current, pass_inlinable): New.
  62         (pass_inline_parameters): Require PROP_referenced_vars.
  63         * cgraphunit.c (cgraph_process_new_functions): Don't run
  64         compute_inline_parameters explicitly unless function is in
  65         SSA form.
  66         (cgraph_analyze_function): Set .disregard_inline_limits.
  67         * tree-sra.c (convert_callers): Compute inliner parameters
  68         only for functions already in SSA form.
  69
  70 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  71
  72         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
  73         -mlittle-endian-data.
  74
  75 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  76
  77         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
  78         -mno-fpu, not -fpu and -no-fpu.
  79         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
  80         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
  81
  82 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
  83
  84         PR target/43653
  85         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
  86         input reload with PLUS RTX.
  87
  88 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
  89
  90         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
  91         of InverseVar(MDMX).
  92
  93 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
  94
  95         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
  96         --m4-340.
  97
  98 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
  99
 100         * config/mn10300/mn10300.opt (mno-crt0): New.
 101
 102 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 103
 104         * config/m68k/uclinux.opt (static-libc): New Driver option.
 105
 106 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 107
 108         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
 109
 110 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 111
 112         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
 113         %{muser-extend-enabled}.
 114
 115 2011-02-16  Richard Guenther  <rguenther@suse.de>
 116
 117         PR tree-optimization/47738
 118         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
 119         the TODO from tree_predictive_commoning.
 120
 121 2011-02-15  Jeff Law  <law@redhat.com>
 122
 123         Revert
 124         2011-01-25  Jeff Law  <law@redhat.com>
 125
 126         PR rtl-optimization/37273
 127         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 128         handle them like argument loads from stack slots.  Do not double
 129         count memory for memory constants and argument loads from stack slots.
 130
 131 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 132
 133         PR middle-end/47725
 134         * combine.c (cant_combine_insn_p): Revert the last change.
 135
 136 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 137
 138         PR target/47755
 139         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
 140         mode for vector constants.  Remove code that checks for TImode.
 141
 142 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 143
 144         PR debug/47106
 145         PR debug/47402
 146         * cgraph.h (compute_inline_parameters): Return void.
 147         * ipa-inline.c (compute_inline_parameters): Adjust.
 148
 149 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 150
 151         PR debug/47106
 152         PR debug/47402
 153         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
 154         rather than decl.
 155         * cfgexpand.c (estimated_stack_frame_size): Likewise.
 156         * ipa-inline.c (compute_inline_parameters): Adjust.
 157
 158 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 159
 160         PR debug/47106
 161         PR debug/47402
 162         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
 163         Adjust all users.  Pass FN to...
 164         * tree-flow-inline.h (first_referenced_var): ... this.  Add
 165         fn argument.
 166         * ipa-struct-reorg.c: Adjust.
 167         * tree-dfa.c: Adjust.
 168         * tree-into-ssa.c: Adjust.
 169         * tree-sra.c: Adjust.
 170         * tree-ssa-alias.c: Adjust.
 171         * tree-ssa-live.c: Adjust.
 172         * tree-ssa.c: Adjust.
 173         * tree-ssanames.c: Adjust.
 174         * tree-tailcall.c: Adjust.
 175
 176 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 177
 178         PR debug/47106
 179         PR debug/47402
 180         * tree-flow.h (referenced_var_lookup): Add fn parameter.
 181         Adjust all callers.
 182         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
 183         * tree-flow-inline.h: Adjust.
 184         * gimple-pretty-print.c: Adjust.
 185         * tree-into-ssa.c: Adjust.
 186         * tree-ssa.c: Adjust.
 187         * cfgexpand.c: Adjust.
 188
 189 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 190
 191         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
 192         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 193         (EXTRA_CONSTRAINT): Delete.
 194         * config/iq2000/constraints.md: New file.
 195         * config/iq2000/iq2000.md: Include it.
 196         (define_insn ""): Delete.
 197         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
 198         unsupported constraint letters from patterns.
 199         (call_value, call_value_internal1): Likewise.
 200         (call_value_multiple_internal1): Likewise.
 201
 202 2011-02-15  Nick Clifton  <nickc@redhat.com>
 203
 204         * config/mn10300/mn10300.c: Include tm-constrs.h.
 205         (struct liw_data): New data structure describing an LIW candidate
 206         instruction.
 207         (extract_bundle): Use struct liw_data.  Allow small integer
 208         operands for some instructions.
 209         (check_liw_constraints): Use struct liw_data.  Remove swapped
 210         parameter.  Add comments describing the checks.  Fix bug when
 211         assigning the source of liw1 to the source of liw2.
 212         (liw_candidate): Delete.  Code moved into extract_bundle.
 213         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
 214         before swapping.
 215         * config/mn10300/predicates.md (liw_operand): New predicate.
 216         Allows registers and small integer constants.
 217         * config/mn10300/constraints.md (O): New constraint.  Accetps
 218         integers in the range -8 to +7 inclusive.
 219         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
 220         for moving a small integer into a register.  Give this alternative
 221         LIW attributes.
 222         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
 223         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
 224         using the J,K,L and M constraints,
 225         (liw): Remove SI mode on second operands to allow for HI and QI
 226         mode values.
 227         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
 228         instruction.
 229
 230 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 231
 232         PR middle-end/47725
 233         * combine.c (cant_combine_insn_p): Check zero/sign extended
 234         hard registers.
 235
 236 2011-02-15  Richard Guenther  <rguenther@suse.de>
 237
 238         PR tree-optimization/47743
 239         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
 240         for a non-type-compatible VN lookup bail out.
 241
 242 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 243
 244         * config/fr30/constraints.md: New file.
 245         * config/fr30/fr30.md: Include it.
 246         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
 247         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 248         (EXTRA_CONSTRAINT): Delete.
 249
 250 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 251
 252         * config/frv/constraints.md: New file.
 253         * config/frv/predicates.md: Include it.
 254         * config/frv/frv.c (reg_class_from_letter): Delete.
 255         (frv_option_override): Don't initialize it.
 256         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
 257         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
 258         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
 259         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 260         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
 261         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 262         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
 263         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
 264         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
 265         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
 266         (REG_CLASS_FROM_CONSTRAINT): Delete.
 267
 268 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
 269
 270         PR middle-end/47581
 271         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
 272         if frame size is 0 in a leaf function.
 273
 274 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 275
 276         PR pch/14940
 277         * config/alpha/host-osf.c: New file.
 278         * config/alpha/x-osf: New file.
 279         * config.host (alpha*-dec-osf*): Use it.
 280
 281 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 282
 283         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 284         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
 285         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
 286         (rx_mode_dependent_address_p): ...this. Make static. Change argument
 287         type to const_rtx.
 288         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 289
 290 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 291
 292         * config/stormy16/constraints.md: New file.
 293         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
 294         Use satisfies_constraint_Q and satisfies_constraint_R.
 295         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
 296         Delete.
 297         (xstormy16_legitiamte_address_p): Declare.
 298         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
 299         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 300         (EXTRA_CONSTRAINT): Delete.
 301         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
 302         Un-staticize.
 303         (xstormy16_extra_constraint_p): Delete.
 304
 305 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 306
 307         PR tree-optimization/46494
 308         * loop-unroll.c (split_edge_and_insert): Adjust comment.
 309         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
 310         (pass_rtl_loop_done): Add TODO_verify_flow.
 311         * fwprop.c (pass_rtl_fwprop): Likewise.
 312         * modulo-sched.c (pass_sms): Likewise.
 313         * tree-ssa-dom.c (pass_dominator): Likewise.
 314         * tree-ssa-loop-ch.c (pass_ch): Likewise.
 315         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
 316         (pass_tree_loop_done): Likewise.
 317         * tree-ssa-pre.c (execute_pre): Likewise.
 318         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
 319         * tree-ssa-sink.c (pass_sink_code): Likewise.
 320         * tree-vrp.c (pass_vrp): Likewise.
 321
 322 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 323
 324         * config/v850/constraints.md: New file.
 325         * config/v850/v850.md: Include it.
 326         * config/v850/predicates.md (reg_or_0_operand): Use
 327         satisfies_constraint_G.
 328         (special_symbolref_operand): Use satisfies_constraint_K.
 329         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
 330         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
 331         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
 332         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 333         (EXTRA_CONSTRAINT): Delete.
 334         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
 335         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
 336         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
 337
 338 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 339
 340         PR target/47696
 341         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
 342         description.
 343
 344 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 345
 346         * config/mcore/constraints.md: New file.
 347         * config/mcore/mcore.md: Include it.
 348         * config/mcore/mcore.c (reg_class_from_letter): Delete.
 349         * config/mcore/mcore.h (reg_class_from_letter): Delete.
 350         (REG_CLASS_FROM_LETTER): Delete.
 351         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
 352         insn_const_int_ok_for_constraint.
 353         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
 354         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
 355         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 356         (EXTRA_CONSTRAINT): Delete.
 357
 358 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 359
 360         PR ada/41929
 361         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
 362         (IS_SIGHANDLER): Define.
 363         (sparc64_is_sighandler): New function, split off from
 364         sparc64_fallback_frame_state.
 365         (sparc_is_sighandler): New function, split off from
 366         sparc_fallback_frame_state.
 367         (sparc64_fallback_frame_state): Merge with ...
 368         (sparc_fallback_frame_state): ... this into ...
 369         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
 370         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
 371         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
 372         stack instead of hardcoded offsets.
 373
 374 2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 375
 376         * go/gccgo.texi (Top, Import and Export): Fix a typo and a markup nit.
 377
 378 2011-02-14  Andriy Gapon  <avg@freebsd.org>
 379
 380         PR target/45808
 381         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
 382
 383 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 384
 385         * configure: Regenerate.
 386
 387 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
 388
 389         PR driver/45731
 390         * gcc.c (asm_options): Correct spec matching --target-help.
 391
 392 2011-02-12  Martin Jambor  <mjambor@suse.cz>
 393
 394         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
 395         to gimple call error.
 396
 397 2011-02-12  Mike Stump  <mikestump@comcast.net>
 398
 399         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
 400         comments in backslash regions.
 401
 402 2011-02-12  Mike Stump  <mikestump@comcast.net>
 403             Jakub Jelinek  <jakub@redhat.com>
 404             Iain Sandoe  <iains@gcc.gnu.org>
 405
 406         PR target/47324
 407         * dwarf2out.c (output_cfa_loc): When required, apply the
 408         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
 409         (output_loc_sequence): Likewise.
 410         (output_loc_operands_raw): Likewise.
 411         (output_loc_sequence_raw): Likewise.
 412         (output_cfa_loc): Likewise.
 413         (output_loc_list): Suppress register number adjustment when
 414         calling output_loc_sequence()
 415         (output_die): Likewise.
 416
 417 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
 418
 419         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 420         Remove macros.
 421         * config/xtensa/xtensa.c (xtensa_register_move_cost,
 422         xtensa_memory_move_cost): New functions.
 423         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
 424
 425 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
 426
 427         PR lto/47225
 428         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
 429         in the current directory.
 430         * configure: Rebuilt.
 431
 432 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 433
 434         * config/darwin.c (darwin_override_options): Add a hunk missed
 435         from the commit of r168571.  Trim comment line lengths and
 436         correct indents of the preceding block.
 437
 438 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 439
 440         * gcc.c (driver_handle_option): Concatenate the argument to -F with
 441         the switch.
 442
 443 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 444
 445         * common.opt (nostartfiles): New Driver option.
 446
 447 2011-02-11  Xinliang David Li  <davidxl@google.com>
 448
 449         PR tree-optimization/47707
 450         * tree-chrec.c (convert_affine_scev): Keep type precision.
 451
 452 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
 453
 454         PR tree-optimization/47420
 455         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
 456
 457 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
 458
 459         PR rtl-optimization/47614
 460         * rtl.h (check_for_inc_dec): Declare.
 461         * dse.c (check_for_inc_dec): Externalize...
 462         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
 463         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
 464
 465 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 466
 467         PR driver/47678
 468         * gcc.c (main): Do not compile inputs if there were errors in
 469         option handling.
 470         * opts-common.c (read_cmdline_option): Check for wrong language
 471         after other error checks.
 472
 473 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
 474
 475         * cgraph.c: Fix comment typos.
 476         * cgraph.h: Likewise.
 477         * cgraphunit.c: Likewise.
 478         * ipa-cp.c: Likewise.
 479         * ipa-inline.c: Likewise.
 480         * ipa-prop.c: Likewise.
 481         * ipa-pure-const.c: Likewise.
 482         * ipa-ref.c: Likewise.
 483         * ipa-reference.c: Likewise.
 484
 485 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
 486
 487         PR debug/47684
 488         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
 489
 490 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 491
 492         PR testsuite/47400
 493         * doc/sourcebuild.texi (Require Support): Document
 494         dg-require-ascii-locale.
 495
 496 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
 497
 498         * doc/lto.texi (Write summary): Fix missing parentheses.
 499
 500 2011-02-10  DJ Delorie  <dj@redhat.com>
 501
 502         * config/m32c/m32c.c (m32c_option_override): Disable
 503         -fcombine-stack-adjustments until flag value tracking and compare
 504         optimization can be rewritten.
 505
 506 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
 507
 508         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
 509         PROCESSOR_POWER7.
 510         (PROCESSOR_DEFAULT64): Likewise.
 511
 512 2011-02-10  Richard Henderson  <rth@redhat.com>
 513
 514         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
 515         change from 2011-02-03.
 516         * config/rx/rx.c (flags_from_code): Likewise.
 517         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
 518         is valid, n/pz otherwise.
 519         (rx_select_cc_mode): Return CCmode if Y is not zero.
 520
 521 2011-02-10  Richard Guenther  <rguenther@suse.de>
 522
 523         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
 524
 525 2011-02-10  Richard Guenther  <rguenther@suse.de>
 526
 527         PR tree-optimization/47677
 528         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
 529
 530 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
 531
 532         PR target/47665
 533         * combine.c (make_compound_operation): Only change shifts into
 534         multiplication for SCALAR_INT_MODE_P.
 535
 536 2011-02-10  Jie Zhang  <jie@codesourcery.com>
 537
 538         PR testsuite/47622
 539         Revert
 540         2011-02-05  Jie Zhang  <jie@codesourcery.com>
 541         PR debug/42631
 542         * web.c (entry_register): Don't clobber the number of the
 543         first uninitialized reference in used[].
 544
 545 2011-02-09  Richard Guenther  <rguenther@suse.de>
 546
 547         PR tree-optimization/47664
 548         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
 549         all edges again.
 550
 551 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
 552
 553         PR target/46481
 554         PR target/47032
 555         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
 556         PROCESSOR_POWER7.
 557         (PROCESSOR_DEFAULT64): Same.
 558         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
 559
 560 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 561
 562         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
 563
 564 2011-02-09  Martin Jambor  <mjambor@suse.cz>
 565
 566         PR middle-end/45505
 567         * tree-sra.c (struct access): New flags grp_scalar_read and
 568         grp_scalar_write.  Changed description of assignment read and write
 569         flags.
 570         (dump_access): Dump new flags, reorder all of them.
 571         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
 572         to detect multiple scalar reads.
 573         (analyze_access_subtree): Use the new scalar read write flags instead
 574         of the old flags.  Adjusted comments.
 575
 576 2011-02-08  DJ Delorie  <dj@redhat.com>
 577
 578         PR target/47548
 579         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
 580         patterns.
 581
 582 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 583
 584         * config/m68k/uclinux.opt: New.
 585         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
 586
 587 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 588
 589         * config/cris/elf.opt (sim): New Driver option.
 590
 591 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 592
 593         * config/xtensa/elf.opt: New.
 594         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
 595
 596 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 597
 598         * config/vax/elf.opt: New.
 599         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
 600
 601 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 602
 603         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
 604
 605 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 606
 607         * config/gnu-user.opt: New.
 608         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
 609         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
 610         *-*-uclinux*): Use gnu-user.opt.
 611
 612 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
 613
 614         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
 615         * config/i386/gnu.h (CPP_SPEC): Likewise.
 616
 617 2011-02-08  Ian Lance Taylor  <iant@google.com>
 618
 619         * common.opt (fcx-limited-range): Add SetByCombined flag.
 620         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
 621         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
 622         (fassociative-math, freciprocal-math): Likewise.
 623         (funsafe-math-optimizations): Likewise.
 624         * opth-gen.awk: Handle SetByCombined.
 625         * optc-gen.awk: Likewise.
 626         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
 627         (set_unsafe_math_optimizations_flags): Likewise.
 628         * doc/options.texi (Option properties): Document SetByCombined.
 629
 630 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 631
 632         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
 633         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
 634         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
 635         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
 636         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
 637
 638 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
 639
 640         PR tree-optimization/46834
 641         PR tree-optimization/46994
 642         PR tree-optimization/46995
 643         * graphite-sese-to-poly.c (used_outside_reduction): New.
 644         (detect_commutative_reduction): Call used_outside_reduction.
 645         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
 646         translate_scalar_reduction_to_array only when at least one
 647         loop-phi/close-phi tuple has been detected.
 648
 649 2011-02-08  Richard Guenther  <rguenther@suse.de>
 650
 651         PR middle-end/47639
 652         * tree-vect-generic.c (expand_vector_operations_1): Update
 653         stmts here ...
 654         (expand_vector_operations): ... not here.  Cleanup EH info
 655         and the CFG if required.
 656
 657 2011-02-08  Richard Guenther  <rguenther@suse.de>
 658
 659         PR tree-optimization/47641
 660         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
 661         require type compatibility.
 662
 663 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 664
 665         * gimple-low.c (lower_function_body): Don't remove the location of
 666         the return statement here.
 667         (lower_gimple_return): Do it here instead but only if the return
 668         statement is actually used twice.
 669
 670 2011-02-08  Richard Guenther  <rguenther@suse.de>
 671
 672         PR tree-optimization/47632
 673         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
 674         unused up_to_stmt parameter, return whether cfg-cleanup is
 675         necessary, remove EH info properly.
 676         (forward_propagate_into_gimple_cond): Adjust caller.
 677         (forward_propagate_into_cond): Likewise.
 678         (forward_propagate_comparison): Likewise.
 679         (tree_ssa_forward_propagate_single_use_vars): Make
 680         forward_propagate_comparison case similar to the two others.
 681
 682 2011-02-08  Nick Clifton  <nickc@redhat.com>
 683
 684         * config/mn10300/mn10300.opt (mliw): New command line option.
 685         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
 686         (liw_bundling): New automaton.
 687         (liw): New attribute.
 688         (liw_op): New attribute.
 689         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
 690         (movsi_internal): Add LIW attributes.
 691         (andsi3): Likewise.
 692         (iorsi3): Likewise.
 693         (xorsi3): Likewise.
 694         (addsi3): Separate register and immediate alternatives.
 695         Add LIW attributes.
 696         (subsi3): Likewise.
 697         (cmpsi): Likewise.
 698         (aslsi3): Likewise.
 699         (lshrsi3): Likewise.
 700         (ashrsi3): Likewise.
 701         (liw): New pattern.
 702         * config/mn10300/mn10300.c (liw_op_names): New
 703         (mn10300_print_operand): Handle 'W' operand descriptor.
 704         (extract_bundle): New function.
 705         (check_liw_constraints): New function.
 706         (liw_candidate): New function.
 707         (mn10300_bundle_liw): New function.
 708         (mn10300_reorg): New function.
 709         (TARGET_MACHINE_DEPENDENT_REORG): Define.
 710         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
 711         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
 712         __LIW__ or __NO_LIW__.
 713         * doc/invoke.texi: Describe the -mliw command line option.
 714
 715 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 716
 717         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
 718         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
 719         pthread_mutex_unlock): Remove.
 720         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
 721         * config/pa/t-pa64: Likewise.
 722         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
 723         shared libc if not linking against libpthread.
 724         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 725
 726 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
 727
 728         PR target/47558
 729         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
 730         on 10.6 and later to ensure that we always use the unwinder from
 731         the system.  Only add -no_compact_unwind when tarteting darwin
 732         10.6 or later.
 733
 734 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
 735
 736         PR target/46997
 737         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
 738         (vec_interleave_lowv2sf): Ditto.
 739         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
 740         (vec_extract_oddv2sf): Ditto.
 741
 742 2011-02-07  Mike Stump  <mikestump@comcast.net>
 743
 744         PR target/42333
 745         Add __ieee_divdc3 entry point.
 746         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
 747         entry point.
 748         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
 749         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
 750         * config/darwin.c (darwin_rename_builtins): Add.
 751         * config/darwin-protos.h (darwin_rename_builtins): Add.
 752
 753 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 754
 755         PR target/47636
 756         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
 757         for the condition.
 758
 759 2011-02-07  Mike Stump  <mikestump@comcast.net>
 760
 761         * config/darwin.opt (mmacosx-version-min): Update default OS version.
 762
 763 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
 764
 765         PR target/47534
 766         * config/avr/libgcc.S (exit): Move .endfunc
 767
 768 2011-02-07  Richard Guenther  <rguenther@suse.de>
 769
 770         PR tree-optimization/47615
 771         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
 772         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
 773         (run_scc_vn): Initialize it.
 774         (visit_reference_op_load): Use it.
 775         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
 776
 777 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 778
 779         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
 780         DImode trapping arithmetic libfuncs.
 781
 782 2011-02-07  Richard Guenther  <rguenther@suse.de>
 783
 784         PR tree-optimization/47621
 785         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
 786         two duplicates ...
 787         (execute_update_addresses_taken): ... here.  Make it more
 788         conservative in what we accept.
 789
 790 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 791
 792         * config/sparc/freebsd.h (ASM_SPEC): Define.
 793         * config/sparc/vxworks.h (ASM_SPEC): Define.
 794
 795 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 796
 797         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
 798
 799 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
 800
 801         * doc/invoke.texi: Remove reference to compiler internals from
 802         user documentation.
 803
 804         * reg-notes.def: Remove REG_VALUE_PROFILE.
 805         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
 806
 807 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
 808
 809         PR middle-end/47610
 810         * varasm.c (default_section_type_flags): If decl is NULL,
 811         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
 812
 813 2011-02-05  Jie Zhang  <jie@codesourcery.com>
 814
 815         PR debug/42631
 816         * web.c (entry_register): Don't clobber the number of the
 817         first uninitialized reference in used[].
 818
 819 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
 820
 821         PR tree-optimization/46194
 822         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
 823         (build_classic_dist_vector_1): Do not represent classic distance
 824         vectors when the access functions are variating in different loops.
 825
 826 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 827
 828         * config/mips/iris6.opt: New.
 829         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
 830
 831 2011-02-04  Richard Henderson  <rth@redhat.com>
 832             Steve Ellcey  <sje@cup.hp.com>
 833
 834         PR target/46997
 835         * config/ia64/predicates.md (mux1_brcst_element): New.
 836         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
 837         * config/ia64/ia64.c (ia64_unpack_assemble): New.
 838         (ia64_unpack_sign): New.
 839         (ia64_expand_unpack): Rewrite using new routines.
 840         (ia64_expand_widen_sum): Ditto.
 841         (ia64_expand_dot_prod_v8qi): Ditto.
 842         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
 843         routines, add endian check.
 844         (pmpy2_even): Rename from pmpy2_r, add endian check.
 845         (pmpy2_odd): Rename from pmpy2_l, add endian check.
 846         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
 847         (vec_widen_smult_hi_v4hi): Ditto.
 848         (vec_widen_umult_lo_v4hi): Ditto.
 849         (vec_widen_umult_hi_v4hi): Ditto.
 850         (mulv2si3): Change endian checks.
 851         (sdot_prodv4hi): Rewrite with new calls.
 852         (udot_prodv4hi): New.
 853         (vec_pack_ssat_v4hi): Add endian check.
 854         (vec_pack_usat_v4hi): Ditto.
 855         (vec_pack_ssat_v2si): Ditto.
 856         (max1_even): Rename from max1_r, add endian check.
 857         (max1_odd): Rename from max1_l, add endian check.
 858         (*mux1_rev): Format change.
 859         (*mux1_mix): Ditto.
 860         (*mux1_shuf): Ditto.
 861         (*mux1_alt): Ditto.
 862         (*mux1_brcst_v8qi): Use new predicate.
 863         (vec_extract_evenv8qi): Remove endian check.
 864         (vec_extract_oddv8qi): Ditto.
 865         (vec_interleave_lowv4hi): Format change.
 866         (vec_interleave_highv4hi): Ditto.
 867         (mix2_even): Rename from mix2_r, add endian check.
 868         (mix2_odd): Rename from mux2_l, add endian check.
 869         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
 870         (vec_extract_evenodd_helper): Format change.
 871         (vec_extract_evenv4hi): Remove endian check.
 872         (vec_extract_oddv4hi): Remove endian check.
 873         (vec_interleave_lowv2si): Format change.
 874         (vec_interleave_highv2si): Format change.
 875         (vec_initv2si): Remove endian check.
 876         (vecinit_v2si): Add endian check.
 877         (reduc_splus_v2sf): Add endian check.
 878         (reduc_smax_v2sf): Ditto.
 879         (reduc_smin_v2sf): Ditto.
 880         (vec_initv2sf): Remove endian check.
 881         (fpack): Add endian check.
 882         (fswap): Add endian check.
 883         (vec_interleave_highv2sf): Add endian check.
 884         (vec_interleave_lowv2sf): Add endian check.
 885         (fmix_lr): Add endian check.
 886         (vec_setv2sf): Format change.
 887         (*vec_extractv2sf_0_be): Use shift to extract operand.
 888         (*vec_extractv2sf_1_be): New.
 889         (vec_pack_trunc_v4hi): Add endian check.
 890         (vec_pack_trunc_v2si): Format change.
 891
 892 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
 893
 894         PR inline-asm/23200
 895         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
 896         do bb, locus and block comparison and disallow loads if it is not set.
 897         (stmt_is_replaceable_p): New function.
 898         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
 899         callers.
 900         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
 901         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
 902         SSA_NAME_DEF_STMT.
 903         * tree-flow.h (stmt_is_replaceable_p): New prototype.
 904
 905 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 906
 907         * config/rs6000/xilinx.opt: New.
 908         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
 909
 910 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 911
 912         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
 913
 914 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
 915
 916         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
 917         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 918         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
 919         secondary_reload_info, xtensa_secondary_reload): Remove.
 920         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
 921         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 922         (xtensa_preferred_reload_class): Make static. Change return and
 923         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
 924         Use CONST_DOUBLE_P predicate.
 925         (xtensa_preferred_output_reload_class): New function.
 926         (xtensa_secondary_reload): Make static.
 927
 928 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
 929
 930         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
 931         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
 932         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
 933
 934 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 935
 936         PR middle-end/31490
 937         * output.h (SECTION_RELRO): Define.
 938         (SECTION_MACH_DEP): Adjust.
 939         (get_variable_section): New prototype.
 940         * varpool.c (varpool_finalize_named_section_flags): New function.
 941         (varpool_assemble_pending_decls): Call it.
 942         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
 943         * cgraphunit.c (cgraph_output_in_order): Call
 944         varpool_finalize_named_section_flags.
 945         * varasm.c (get_section): Allow section flags conflicts between
 946         relro and read-only sections if the section hasn't been declared yet.
 947         Set SECTION_OVERRIDE after diagnosing section type conflict.
 948         (get_variable_section): No longer static.
 949         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
 950         readonly sections that need relocations.
 951         (decl_readonly_section_1): New function.
 952         (decl_readonly_section): Use it.
 953
 954         Revert:
 955         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
 956                     Steve Ellcey  <sje@cup.hp.com>
 957
 958         PR middle-end/31490
 959         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
 960         if section attribute used.
 961
 962 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 963
 964         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
 965         * config/darwin.c (SECTION_NO_ANCHOR): Define.
 966         (darwin_init_sections): Remove assertion.
 967
 968 2011-02-03  Nick Clifton  <nickc@redhat.com>
 969
 970         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
 971         lt and ge.
 972         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
 973         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
 974         instead of "n" and "pz".
 975         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
 976         CC_FLAG_S.
 977
 978 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 979
 980         PR target/47312
 981         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
 982         fma, expand FMA_EXPR as fma{,f,l} call.
 983
 984         PR lto/47274
 985         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
 986         copy them into a unsigned char variable and pass address of it to
 987         lto_output_data_stream.
 988
 989         PR target/47564
 990         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
 991         around backend_init_target and lang_dependent_init_target calls.
 992         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
 993         (verify_cgraph_node): Don't call set_cfun here.  Use
 994         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
 995         Set error_found for incorrectly represented calls to thunks.
 996
 997 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
 998
 999         PR debug/43092
1000         PR rtl-optimization/43494
1001         * rtl.h (for_each_inc_dec_fn): New type.
1002         (for_each_inc_dec): Declare.
1003         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1004         (for_each_inc_dec_find_inc_dec): New fn.
1005         (for_each_inc_dec_find_mem): New fn.
1006         (for_each_inc_dec): New fn.
1007         * dse.c (struct insn_size): Remove.
1008         (replace_inc_dec, replace_inc_dec_mem): Remove.
1009         (emit_inc_dec_insn_before): New fn.
1010         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1011         (canon_address): Pass mem modes to cselib_lookup.
1012         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1013         (cselib_lookup_from_insn): Likewise.
1014         (cselib_subst_to_values): Likewise.
1015         * cselib.c (find_slot_memmode): New var.
1016         (cselib_find_slot): New fn.  Use it instead of
1017         htab_find_slot_with_hash everywhere.
1018         (entry_and_rtx_equal_p): Use find_slot_memmode.
1019         (autoinc_split): New fn.
1020         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1021         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1022         Deal with autoinc.  Special-case recursion into MEMs.
1023         (cselib_hash_rtx): Likewise.
1024         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1025         address and MEM modes.
1026         (cselib_subst_to_values): Add memmode, pass it on.
1027         Deal with autoinc.
1028         (cselib_lookup): Add memmode argument, pass it on.
1029         (cselib_lookup_from_insn): Add memmode.
1030         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1031         (struct cselib_record_autoinc_data): New.
1032         (cselib_record_autoinc_cb): New fn.
1033         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1034         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1035         (cselib_process_insn): ... here.
1036         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1037         to cselib_lookup.
1038         (add_uses): Likewise, also to cselib_subst_to_values.
1039         (add_stores): Likewise.
1040         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1041         cselib_subst_to_values.
1042         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1043         * gcse.c (do_local_cprop): Adjusted.
1044         * postreload.c (reload_cse_simplify_set): Adjusted.
1045         (reload_cse_simplify_operands): Adjusted.
1046         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1047
1048 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1049
1050         PR tree-optimization/45122
1051         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1052         unsafe assumptions when there's more than one loop exit.
1053
1054 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1055
1056         PR target/47272
1057         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1058         Document using vector double with the load/store builtins, and
1059         that the load/store builtins always use Altivec instructions.
1060
1061         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1062         to use altivec memory instructions, even on VSX.
1063         (vector_altivec_store_<mode>): Ditto.
1064
1065         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1066         function.
1067
1068         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1069         V2DF, V2DI support to load/store overloaded builtins.
1070
1071         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1072         altivec load/store builtins for V2DF/V2DI types.
1073
1074         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1075         set avoid indexed addresses on power6 if -maltivec.
1076         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1077         vector_altivec_load/vector_altivec_store builtins.
1078         (altivec_expand_st_builtin): Ditto.
1079         (altivec_expand_builtin): Add VSX memory builtins.
1080         (rs6000_init_builtins): Add V2DI types to internal types.
1081         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1082         load/store builtins.
1083         (rs6000_address_for_altivec): Insure memory address is appropriate
1084         for Altivec.
1085
1086         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1087         vec_vsx_ld and vec_vsx_st.
1088         (vsx_store_<mode>): Ditto.
1089
1090         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1091         variables to hold long long types for VSX vector memory builtins.
1092         (RS6000_BTI_unsigned_long_long): Ditto.
1093         (long_long_integer_type_internal_node): Ditti.
1094         (long_long_unsigned_type_internal_node): Ditti.
1095
1096         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1097         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1098         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1099
1100         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1101         short cuts.
1102         (vec_vsx_st): Ditto.
1103
1104 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1105
1106         * config/pa/pa-hpux10.opt: New.
1107         * config/hpux11.opt (pthread): New Driver option.
1108         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1109         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1110
1111 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1112
1113         * config/ia64/vms.opt: New.
1114         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1115
1116 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1117
1118         PR target/47580
1119         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1120         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1121         generator functions.
1122         (vsx_floatuns<VSi><mode>2): Ditto.
1123         (vsx_fix_trunc<mode><VSi>2): Ditto.
1124         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1125
1126 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1127
1128         * config/i386/djgpp.opt (posix): New Driver option.
1129
1130 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1131
1132         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1133         Move to the unsupported targets list.
1134
1135 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1136
1137         PR rtl-optimization/47525
1138         * df-scan.c: Update copyright years.
1139         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1140         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1141
1142 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1143
1144         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1145         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1146         (ASM_OUTPUT_ASCII): Remove.
1147         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1148
1149 2011-02-02  Jeff Law  <law@redhat.com>
1150
1151         PR middle-end/47543
1152         * reload.c (find_reloads_address): Handle reg+d address where both
1153         components are invalid by reloading the entire address.
1154
1155 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1156             Richard Guenther  <rguenther@suse.de>
1157
1158         PR tree-optimization/40979
1159         PR bootstrap/47044
1160         * passes.c (init_optimization_passes): After LIM call copy_prop
1161         and DCE to clean up.
1162         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1163
1164 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1165
1166         PR tree-optimization/47576
1167         PR tree-optimization/47555
1168         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1169         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1170         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1171         * tree-scalar-evolution.c (follow_ssa_edge): Use
1172         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1173
1174 2011-02-02  Richard Guenther  <rguenther@suse.de>
1175
1176         PR tree-optimization/47566
1177         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1178
1179 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1180
1181         PR debug/47106
1182         PR debug/47402
1183         * tree-inline.c (declare_return_variable): Remove unused caller
1184         variable.
1185
1186         PR debug/47106
1187         PR debug/47402
1188         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1189         * cfgexpand.c (account_used_vars_for_block): Use them.
1190         * tree-nrv.c (tree_nrv): Likewise.
1191         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1192         (dump_scope_block): Likewise.
1193         (remove_unused_locals): Likewise.
1194
1195         PR debug/47106
1196         PR debug/47402
1197         * tree-inline.c (declare_return_variable): Add result decl to
1198         local decls only once.
1199         * gimple-low.c (record_vars_into): Mark newly-created variables
1200         as referenced.
1201
1202 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1203
1204         PR debug/47498
1205         PR debug/47501
1206         PR debug/45136
1207         PR debug/45130
1208         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1209         debug insns.
1210         (no_real_insns_p, schedule_block, set_priorities): Drop special
1211         treatment of boundary debug insns.
1212         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1213         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1214         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1215         (BOUNDARY_DEBUG_INSN_P): Likewise.
1216         (SCHEDULE_DEBUG_INSN_P): Likewise.
1217         * sched-rgn.c (init_ready_list): Drop special treatment of
1218         boundary debug insns.
1219         * final.c (rest_of_clean_state): Clear notes' BB.
1220
1221 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1222
1223         * config/openbsd.opt (assert=): New Driver option.
1224
1225 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1226
1227         * config/i386/nto.opt: New.
1228         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1229
1230 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1231
1232         * config/i386/netware.opt: New.
1233         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1234
1235 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1236
1237         * config/interix.opt (posix): New Driver option.
1238
1239 2011-02-01  DJ Delorie  <dj@redhat.com>
1240
1241         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1242
1243         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1244         class for A0/A1.
1245
1246 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1247
1248         PR tree-optimization/47561
1249         * toplev.c (process_options): Print the Graphite flags.  Add
1250         flag_loop_flatten to the list of options requiring Graphite.
1251
1252 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1253
1254         * config/i386/cygming.opt (posix): New Driver option.
1255
1256 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1257
1258         * config/arm/vxworks.opt: New.
1259         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1260
1261 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1262
1263         * config/alpha/elf.opt: New.
1264         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1265         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1266
1267 2011-02-01  Richard Guenther  <rguenther@suse.de>
1268
1269         PR tree-optimization/47559
1270         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1271         store-motion on references that can throw.
1272
1273 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1274
1275         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1276         * tree-pass.h (TDF_CSELIB): New macro.
1277         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1278         cselib_lookup): Check for it rather than for TDF_DETAILS.
1279
1280 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1281
1282         PR driver/47547
1283         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1284         is HOST_BIT_BUCKET.
1285
1286         * opts.c (finish_options): Don't add x_aux_base_name if it is
1287         HOST_BIT_BUCKET.
1288
1289 2011-02-01  Richard Guenther  <rguenther@suse.de>
1290
1291         PR tree-optimization/47555
1292         Revert
1293         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1294
1295         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1296
1297 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1298
1299         PR gcc/46692
1300         * config/lm32/t-lm32: Add multilib for all CPU options.
1301
1302 2011-02-01  Richard Guenther  <rguenther@suse.de>
1303
1304         PR tree-optimization/47541
1305         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1306         sure to have a field at offset zero.
1307
1308 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1309
1310         * config/arc/arc.opt (EB, EL): New Driver options.
1311
1312 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1313
1314         * config/alpha/osf5.opt: New.
1315         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1316
1317 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1318
1319         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1320
1321 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1322
1323         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1324         -floop-interchange.
1325         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1326         is an alias of -floop-interchange and that it requires the
1327         Graphite infrastructure.
1328         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1329         flag_loop_interchange based on the value of flag_tree_loop_linear.
1330
1331 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1332             Richard Guenther  <rguenther@suse.de>
1333
1334         PR tree-optimization/47538
1335         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1336         type instead of r1type, except for comparisons.  For right
1337         shifts and comparisons punt if there are mismatches in
1338         sizetype vs. non-sizetype types.
1339
1340 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1341
1342         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1343         avx_runtime.
1344
1345 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1346
1347         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1348         version number.
1349         * configure: Regenerate.
1350
1351 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1352
1353         * configure.ac (gcc_cv_ld_static_option): Define.
1354         (gcc_cv_ld_dynamic_option): Define.
1355         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1356         instead.
1357         (HAVE_LD_STATIC_DYNAMIC): Update message.
1358         (LD_STATIC_OPTION): Define.
1359         (LD_DYNAMIC_OPTION): Define.
1360         * configure: Regenerate.
1361         * config.in: Regenerate.
1362         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1363         HAVE_LD_STATIC_DYNAMIC]: Use them.
1364
1365 2011-01-31  Nick Clifton  <nickc@redhat.com>
1366
1367         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1368         registers inside interrupt handlers if the handler is not a leaf
1369         function.
1370
1371 2011-01-31  Nick Clifton  <nickc@redhat.com>
1372
1373         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1374         reg_renumber returning an INVALID_REGNUM.
1375
1376 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1377
1378         PR libgcj/44341
1379         * doc/install.texi: Document host options discarded when cross
1380         configuring target libraries.
1381
1382 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1383
1384         Reverted:
1385         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1386         PR debug/45136
1387         PR debug/45130
1388         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1389         debug insns.
1390         (no_real_insns_p, schedule_block, set_priorities): Drop special
1391         treatment of boundary debug insns.
1392         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1393         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1394         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1395         (BOUNDARY_DEBUG_INSN_P): Likewise.
1396         (SCHEDULE_DEBUG_INSN_P): Likewise.
1397         * sched-rgn.c (init_ready_list): Drop special treatment of
1398         boundary debug insns.
1399         * final.c (rest_of_clean-state): Clear notes' BB.
1400
1401 2011-01-31  Alan Modra  <amodra@gmail.com>
1402
1403         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1404         toc relative expressions as we do in print_operand_address.
1405
1406 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1407
1408         * doc/extend.texi: Follow spelling conventions.
1409         * doc/invoke.texi: Fix a typo.
1410
1411 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1412
1413         * config/hpux11.opt: New.
1414         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1415         ia64*-*-hpux*): Use hpux11.opt.
1416
1417 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
1418
1419         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1420         to tmake_file.
1421
1422 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1423
1424         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1425         support sites.
1426
1427 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1428
1429         * doc/install.texi (Binaries): Remove outdated reference for
1430         Motorola 68HC11/68HC12 downloads.
1431
1432 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1433
1434         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1435         Drepper's paper.
1436
1437 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1438
1439         PR bootstrap/47147
1440         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1441         used by NetBSD.
1442
1443 2011-01-28  Ahmad Sharif  <asharif@google.com>
1444
1445         * value-prof.c (check_counter): Corrected error message.
1446
1447 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1448
1449         * config/arm/arm.c (arm_legitimize_reload_address): New.
1450         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1451         arm_legitimize_reload_address.
1452         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1453
1454 2011-01-28  Ian Lance Taylor  <iant@google.com>
1455
1456         * godump.c (go_define): Ignore macros whose definitions include
1457         two adjacent operands.
1458
1459 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1460
1461         PR target/42894
1462         * varasm.c (force_const_mem): Store copy of x in desc->constant
1463         instead of x itself.
1464         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1465         itself into REG_EQUAL note.
1466
1467 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1468
1469         * config/freebsd.opt (posix, rdynamic): New Driver options.
1470
1471 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1472
1473         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1474         -Bstatic/-Bdynamic.
1475         * configure: Regenerate.
1476
1477 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1478
1479         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1480         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1481
1482 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
1483
1484         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1485         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1486         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1487         (s390_preferred_reload_class): Make static. Change return and
1488         'rclass' argument type to reg_class_t.
1489
1490 2011-01-27  Jan Hubicka  <jh@suse.cz>
1491
1492         PR middle-end/46949
1493         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1494         (process_function_and_variable_attributes): Check defined weakrefs.
1495
1496 2011-01-27  Martin Jambor  <mjambor@suse.cz>
1497
1498         PR tree-optimization/47228
1499         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1500         build_ref_for_offset.
1501
1502 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1503
1504         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1505
1506 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
1507
1508         PR rtl-optimization/46856
1509         * postreload.c (reload_combine_recognize_const_pattern): Do not
1510         separate cc0 setter and user on cc0 targets.
1511
1512 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1513
1514         PR c/43082
1515         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1516         passed a VOID_TYPE expression, immediately emit an error and
1517         return error_mark_node.
1518
1519 2011-01-26  Jeff Law  <law@redhat.com>
1520
1521         PR rtl-optimization/47464
1522         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1523         rather than may_trap_p as needed.
1524
1525 2011-01-26  DJ Delorie  <dj@redhat.com>
1526
1527         PR rtl-optimization/46878
1528         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1529         setter/user dependency as well.
1530
1531 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1532
1533         PR rtl-optimization/44469
1534         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1535         after removing trivially dead basic blocks.
1536
1537 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1538
1539         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1540         * config/frv/frv.h (LINK_SPEC): Likewise.
1541         * config/i386/netware.h (LINK_SPEC): Likewise.
1542         * config/m68k/linux.h (ASM_SPEC): Likewise.
1543         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1544         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1545         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1546         * config/sparc/linux.h (ASM_SPEC): Likewise.
1547         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1548         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1549
1550 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1551
1552         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1553         * config/frv/frv.h (ASM_SPEC): Likewise.
1554         * config/m68k/linux.h (ASM_SPEC): Likewise.
1555         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1556         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1557         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1558         * config/sparc/linux.h (ASM_SPEC): Likewise.
1559         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1560         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1561
1562 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1563
1564         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1565         * config/frv/frv.h (LINK_SPEC): Likewise.
1566         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1567
1568 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1569
1570         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1571         * config/frv/frv.h (ASM_SPEC): Likewise.
1572         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1573         * config/m68k/linux.h (ASM_SPEC): Likewise.
1574         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1575         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1576         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1577         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1578         * config/sparc/linux.h (ASM_SPEC): Likewise.
1579         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1580         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1581         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1582
1583 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1584
1585         PR target/46997
1586         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1587         (*mux2): Ditto.
1588         (vec_extract_evenodd_help): Ditto.
1589         (vec_extract_evenv4hi): Ditto.
1590         (vec_extract_oddv4hi): Ditto.
1591         (vec_interleave_lowv2si): Ditto.
1592         (vec_interleave_highv2si): Ditto.
1593         (vec_extract_evenv2si): Ditto.
1594         (vec_extract_oddv2si: Ditto.
1595         (vec_pack_trunc_v2si): Ditto.
1596
1597 2011-01-22  Jan Hubicka  <jh@suse.cz>
1598
1599         PR target/47237
1600         * cgraph.h (cgraph_local_info): New field can_change_signature.
1601         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1602         signature can change.
1603         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1604         can change.
1605         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1606         (cgraph_function_versioning): We can not change signature of functions
1607         that don't allow that.
1608         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1609         (lto_input_node): Likewise.
1610         * ipa-inline.c (compute_inline_parameters): Compute
1611         local.can_change_signature.
1612         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1613         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1614         functions that can not change signature.
1615         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1616         init_cumulative_args): Do not use local calling conventions
1617         for functions that can not change signature.
1618
1619 2011-01-22  Jan Hubicka  <jh@suse.cz>
1620
1621         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1622
1623 2011-01-26  Richard Guenther  <rguenther@suse.de>
1624
1625         PR tree-optimization/47190
1626         * cgraphunit.c (process_common_attributes): New function.
1627         (process_function_and_variable_attributes): Use it.
1628
1629 2011-01-26  Richard Guenther  <rguenther@suse.de>
1630
1631         PR lto/47423
1632         * cgraphbuild.c (record_eh_tables): Record reference to personality
1633         function.
1634
1635 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1636
1637         PR debug/45454
1638         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1639         non-debug insns from moving up.
1640
1641 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1642
1643         PR target/40125
1644         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1645         t-dlldir{,-x} fragment for build and add it to tmake_file.
1646         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1647         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1648         * config/i386/t-dlldir: New file.
1649         (SHLIB_DLLDIR): Define.
1650         * config/i386/t-dlldir-x: New file.
1651         (SHLIB_DLLDIR): Define.
1652         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1653         (SHLIB_INSTALL): Use it.
1654
1655 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1656
1657         PR target/47246
1658         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1659         lower bound of the allowed Thumb-2 coprocessor load/store
1660         index range to -256. Add explaining comment.
1661
1662 2011-01-25  Ian Lance Taylor  <iant@google.com>
1663
1664         * godump.c (go_define): Improve lexing of macro expansion to only
1665         accept expressions which match Go spec.
1666
1667 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1668
1669         PR c++/43601
1670         * tree.c (handle_dll_attribute): Handle it.
1671         * doc/extend.texi (@item dllexport): Mention it.
1672         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1673
1674 2011-01-25  Ian Lance Taylor  <iant@google.com>
1675
1676         PR tree-optimization/26854
1677         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1678         (decl_jump_unsafe): Move higher in file, with no other change.
1679         (bind): Set has_jump_unsafe_decl if appropriate.
1680         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1681         (check_earlier_gotos): Likewise.
1682         (c_check_switch_jump_warnings): Likewise.
1683
1684 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1685
1686         * doc/invoke.texi (Warning Options): Add missing hyphen.
1687         (-fprofile-dir): Minor grammatical fixes.
1688         (-fbranch-probabilities): Likewise.
1689
1690 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1691
1692         PR debug/45136
1693         PR debug/45130
1694         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1695         debug insns.
1696         (no_real_insns_p, schedule_block, set_priorities): Drop special
1697         treatment of boundary debug insns.
1698         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1699         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1700         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1701         (BOUNDARY_DEBUG_INSN_P): Likewise.
1702         (SCHEDULE_DEBUG_INSN_P): Likewise.
1703         * sched-rgn.c (init_ready_list): Drop special treatment of
1704         boundary debug insns.
1705         * final.c (rest_of_clean-state): Clear notes' BB.
1706
1707 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1708
1709         * Makefile.in (LAMBDA_H): Removed.
1710         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1711         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1712         lambda-trans.o, and tree-loop-linear.o.
1713         (lto-symtab.o): Remove dependence on LAMBDA_H.
1714         (tree-loop-linear.o): Remove rule.
1715         (lambda-mat.o): Same.
1716         (lambda-trans.o): Same.
1717         (lambda-code.o): Same.
1718         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1719         (tree-vect-slp.o): Same.
1720         * hwint.h (gcd): Moved here.
1721         (least_common_multiple): Same.
1722         * lambda-code.c: Removed.
1723         * lambda-mat.c: Removed.
1724         * lambda-trans.c: Removed.
1725         * lambda.h: Removed.
1726         * tree-loop-linear.c: Removed.
1727         * lto-symtab.c: Do not include lambda.h.
1728         * omega.c (gcd): Removed.
1729         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1730         * tree-data-ref.c (print_lambda_vector): Moved here.
1731         (lambda_vector_copy): Same.
1732         (lambda_matrix_copy): Same.
1733         (lambda_matrix_id): Same.
1734         (lambda_vector_first_nz): Same.
1735         (lambda_matrix_row_add): Same.
1736         (lambda_matrix_row_exchange): Same.
1737         (lambda_vector_mult_const): Same.
1738         (lambda_vector_negate): Same.
1739         (lambda_matrix_row_negate): Same.
1740         (lambda_vector_equal): Same.
1741         (lambda_matrix_right_hermite): Same.
1742         * tree-data-ref.h: Do not include lambda.h.
1743         (lambda_vector): Moved here.
1744         (lambda_matrix): Same.
1745         (dependence_level): Same.
1746         (lambda_transform_legal_p): Removed declaration.
1747         (lambda_collect_parameters): Same.
1748         (lambda_compute_access_matrices): Same.
1749         (lambda_vector_gcd): Same.
1750         (lambda_vector_new): Same.
1751         (lambda_vector_clear): Same.
1752         (lambda_vector_lexico_pos): Same.
1753         (lambda_vector_zerop): Same.
1754         (lambda_matrix_new): Same.
1755         * tree-flow.h (least_common_multiple): Removed declaration.
1756         * tree-parloops.c (lambda_trans_matrix): Moved here.
1757         (LTM_MATRIX): Same.
1758         (LTM_ROWSIZE): Same.
1759         (LTM_COLSIZE): Same.
1760         (LTM_DENOMINATOR): Same.
1761         (lambda_trans_matrix_new): Same.
1762         (lambda_matrix_vector_mult): Same.
1763         (lambda_transform_legal_p): Same.
1764         * tree-pass.h (pass_linear_transform): Removed declaration.
1765         * tree-ssa-loop.c (tree_linear_transform): Removed.
1766         (gate_tree_linear_transform): Removed.
1767         (pass_linear_transform): Removed.
1768         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1769         flag_loop_interchange.
1770
1771 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1772
1773         PR tree-optimization/47265
1774         PR tree-optimization/47443
1775         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1776         if name still has some uses.
1777
1778 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1779
1780         PR tree-optimization/47382
1781         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1782         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1783
1784 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1785
1786         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1787         sjlj_except_unwind_info.
1788
1789 2011-01-25  Richard Guenther  <rguenther@suse.de>
1790
1791         PR tree-optimization/47426
1792         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1793         visible functions results escape.
1794
1795 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1796
1797         PR target/45701
1798         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1799         (arm_get_frame_offsets): Use it.
1800
1801 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1802             Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR tree-optimization/47271
1805         * tree-if-conv.c (bb_postdominates_preds): New.
1806         (if_convertible_bb_p): Call bb_postdominates_preds.
1807         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1808         (predicate_scalar_phi): Call bb_postdominates_preds.
1809
1810 2011-01-25  Nick Clifton  <nickc@redhat.com>
1811
1812         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1813         * config/rx/rx.c (rx_function_value): Likewise.
1814         (rx_promote_function_mode): Likewise.
1815         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1816         in order to make it legitimate.
1817         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1818         make sure that the first operand is the same as the result register.
1819         (addsi3_unspec): Delete.
1820         (subdi3): Do not accept immediate operands.
1821         (subdi3_internal): Likewise.
1822
1823 2011-01-25  Jeff Law  <law@redhat.com>
1824
1825         PR rtl-optimization/37273
1826         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1827         handle them like argument loads from stack slots.  Do not double
1828         count memory for memory constants and argument loads from stack slots.
1829
1830 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1831
1832         PR tree-optimization/47427
1833         PR tree-optimization/47428
1834         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1835         coalesce if the new root var would be TREE_READONLY.
1836
1837 2011-01-25  Richard Guenther  <rguenther@suse.de>
1838
1839         PR middle-end/47414
1840         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1841         correct type for TBAA.
1842
1843 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1844
1845         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1846         (close_phi_written_to_memory): Call for_each_index with
1847         dr_indices_valid_in_loop.
1848
1849 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1850
1851         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1852         when it is initialized.
1853
1854 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1857         call to graphite_find_data_references_in_stmt.
1858         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1859         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1860         call to graphite_find_data_references_in_stmt.
1861         (analyze_drs_in_stmts): Same.
1862         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1863         in which the scalar analysis of indices is performed.
1864         (create_data_ref): Same.  Update call to dr_analyze_indices.
1865         (find_data_references_in_stmt): Update call to create_data_ref.
1866         (graphite_find_data_references_in_stmt): Same.
1867         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1868         declaration.
1869         (create_data_ref): Same.
1870         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1871         call to create_data_ref.
1872
1873 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * graphite-sese-to-poly.c (build_poly_scop): Move
1876         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1877
1878 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1879
1880         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1881         VAR_DECL, PARM_DECL, and RESULT_DECL.
1882
1883 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1884
1885         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1886         in a reduction PBB.
1887         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1888         that have already been marked as PBB_IS_REDUCTION.
1889
1890 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * graphite-scop-detection.c (same_close_phi_node): New.
1893         (remove_duplicate_close_phi): New.
1894         (make_close_phi_nodes_unique): New.
1895         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1896
1897 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1898
1899         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1900         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1901         of both data references to be the same.
1902
1903 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1904
1905         * graphite-dependences.c (build_lexicographical_constraint): Remove
1906         the gdim parameter.
1907         (build_lexicographical_constraint): Adjust call to
1908         ppl_powerset_is_empty.
1909         (dependence_polyhedron): Same.
1910         (graphite_legal_transform_dr): Same.
1911         (graphite_carried_dependence_level_k): Same.
1912         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1913         parameter.
1914         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1915
1916 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1917
1918         * graphite-sese-to-poly.c
1919         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1920         (close_phi_written_to_memory): New.
1921         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1922         and unshare_expr.
1923
1924 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1925
1926         * doc/install.texi: Update the expected version number of PPL to 0.11.
1927         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1928         #if PPL_VERSION_MINOR < 11.
1929
1930 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1931
1932         * graphite-dependences.c: Include graphite-cloog-util.h.
1933         (new_poly_ddr): Inlined into dependence_polyhedron.
1934         (free_poly_ddr): Moved close by new_poly_ddr.
1935         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1936         Early return NULL when ppl_powerset_is_empty returns true.
1937         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1938         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1939         (graphite_legal_transform_dr): Call new_poly_ddr.
1940         (graphite_carried_dependence_level_k): Same.
1941         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1942         (dot_transformed_deps_stmt_1): Removed.
1943         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1944         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1945         (dot_deps_1): Call dot_deps_2.
1946         * Makefile.in (graphite-dependences.o): Add missing dependence on
1947         graphite-cloog-util.h.
1948
1949 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1950
1951         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1952         (build_lexicographical_constraint): Same.
1953         (dependence_polyhedron_1): Same.
1954         (graphite_legal_transform_dr): Same.
1955         (graphite_carried_dependence_level_k): Same.
1956         * graphite-ppl.c (ppl_powerset_is_empty): New.
1957         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1958         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1959
1960 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1963         the "a followed by b" relation and document it.
1964
1965 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1966
1967         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1968         iteration when the bag of constraints is empty.
1969
1970 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1971
1972         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1973
1974 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1975
1976         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1977         nest and two loop depths as parameters.
1978         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1979         lst_perfect_nestify.
1980
1981 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         * graphite-dependences.c (print_pddr): Call
1984         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1985
1986 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1987
1988         * graphite-ppl.c (debug_gmp_value): New.
1989         * graphite-ppl.h (debug_gmp_value): Declared.
1990
1991 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
1992
1993         * doc/install.texi: Document availability of cloog-0.16.
1994
1995 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
1996
1997         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
1998         invalid postdominance info.
1999
2000 2011-01-24  Jan Hubicka  <jh@suse.cz>
2001
2002         PR c/21659
2003         * doc/extend.texi (weak pragma): Drop claim that it must
2004         appear before definition.
2005         * varasm.c (merge_weak, declare_weak): Only sanity check
2006         that DECL is not output at a time it is declared weak.
2007
2008 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2009
2010         * machmode.def: Fixed comments.
2011
2012 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2013
2014         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2015
2016 2011-01-24  Paul Koning  <ni1d@arrl.net>
2017
2018         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2019         WORDS_BIG_ENDIAN.
2020
2021 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2022
2023         PR target/46519
2024         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2025         (block_info): Add scanned and prev.
2026         (move_or_delete_vzeroupper_2): Return if the basic block
2027         has been scanned and the upper 128bit state is unchanged
2028         from the last scan.
2029         (move_or_delete_vzeroupper_1): Return true if the exit
2030         state is changed.
2031         (move_or_delete_vzeroupper): Visit basic blocks using the
2032         work-list based algorithm based on vt_find_locations in
2033         var-tracking.c.
2034
2035         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2036
2037 2011-01-24  Nick Clifton  <nickc@redhat.com>
2038
2039         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2040         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2041         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2042         then define __v850e1__.
2043         * doc/invoke.texi: Document -mv850es.
2044
2045 2011-01-24  Richard Henderson  <rth@redhat.com>
2046
2047         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2048         compound unordered comparisons.
2049         * config/rx/rx.c (rx_split_fp_compare): Remove.
2050         * config/rx/rx-protos.h: Update.
2051         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2052         (cbranchsf4): Don't call rx_split_fp_compare.
2053         (*cbranchsf4): Use rx_split_cbranch.
2054         (*cmpsf): Don't accept "i" constraint.
2055         (*conditional_branch): Only valid after reload.
2056         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2057
2058 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2059
2060         PR target/47385
2061         * config/rs6000/altivec.md (vector constant splitters): Add
2062         support for creating vector single precision constants if -mvsx is
2063         used and we would create the constant using Altivec primitives.
2064
2065 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2066             Richard Sandiford  <rdsandiford@googlemail.com>
2067
2068         PR rtl-optimization/47166
2069         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2070         mechanism for PRE_MODIFY and POST_MODIFY.
2071         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2072         reloadreg.
2073
2074 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2075
2076         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2077
2078 2011-01-22  Jan Hubicka  <jh@suse.cz>
2079
2080         PR lto/47333
2081         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2082
2083 2011-01-22  Jan Hubicka  <jh@suse.cz>
2084
2085         PR tree-optimization/43884
2086         PR lto/44334
2087         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2088         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2089
2090 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2091
2092         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2093         * config/s390/s390.c (s390_register_move_cost,
2094         s390_memory_move_cost): New.
2095         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2096
2097 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2098
2099         PR middle-end/47401
2100         * except.c (sjlj_assign_call_site_values): Move setting the
2101         crtl->uses_eh_lsda flag to ...
2102         (sjlj_mark_call_sites): ... here.
2103         (sjlj_emit_function_enter): Support NULL dispatch label.
2104         (sjlj_build_landing_pads): In a function with no landing pads
2105         that still has must-not-throw regions, generate code to register
2106         a personality function with empty LSDA.
2107
2108 2011-01-21  Richard Henderson  <rth@redhat.com>
2109
2110         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2111
2112         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2113
2114         * compare-elim.c: New file.
2115         * Makefile.in (OBJS-common): Add it.
2116         (compare-elim.o): New.
2117         * common.opt (fcompare-elim): New.
2118         * opts.c (default_options_table): Add OPT_fcompare_elim.
2119         * tree-pass.h (pass_compare_elim_after_reload): New.
2120         * passes.c (init_optimization_passes): Add it.
2121         * recog.h: Protect against re-inclusion.
2122         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2123         * doc/invoke.texi (-fcompare-elim): Document it.
2124         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2125         * doc/tm.texi: Rebuild.
2126
2127 2011-01-22  Nick Clifton  <nickc@redhat.com>
2128
2129         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2130         rx_split_fp_compare.
2131
2132 2011-01-22  Nick Clifton  <nickc@redhat.com>
2133
2134         * config/rx/rx.md (UNSPEC_CONST): New.
2135         (deallocate_and_return): Wrap the amount popped off the stack in
2136         an UNSPEC_CONST in order to stop it being rejected by
2137         -mmax-constant-size.
2138         (pop_and_return): Add a "(return)" rtx.
2139         (call): Drop the immediate operand.
2140         (call_internal): Likewise.
2141         (call_value): Likewise.
2142         (call_value_internal): Likewise.
2143         (sibcall_internal): Likewise.
2144         (sibcall_value_internal): Likewise.
2145         (sibcall): Likewise.  Generate an explicit call using
2146         sibcall_internal.
2147         (sibcall_value): Likewise.
2148         (mov<>): FAIL if a constant operand is not legitimate.
2149         (addsi3_unpsec): New pattern.
2150
2151         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2152         (ok_for_max_constant): New function.
2153         (gen_safe_add): New function.
2154         (rx_expand_prologue): Use gen_safe_add.
2155         (rx_expand_epilogue): Likewise.
2156         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2157         UNSPEC CONSTs.
2158
2159 2011-01-21  Jeff Law  <law@redhat.com>
2160
2161         PR tree-optimization/47053
2162         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2163         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2164         statements are deleted.
2165         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2166         is nonempty, then purge dead edges and cleanup the CFG.
2167
2168 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2169
2170         PR debug/47402
2171         Temporarily revert:
2172         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2173         PR debug/47106
2174         * tree-dfa.c (create_var_ann): Mark variable as used.
2175
2176 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2177
2178         PR middle-end/45566
2179         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2180         notes from other section in hot/cold partitioning even if
2181         last_action is -3.  Increment call_site_base.
2182
2183         PR rtl-optimization/47366
2184         * fwprop.c (forward_propagate_into): Return bool.  If
2185         any changes are made, -fnon-call-exceptions is used and
2186         REG_EH_REGION note is present, call purge_dead_edges
2187         and return true if it purged anything.
2188         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2189         any EH edges were purged.
2190
2191 2011-01-21  Jeff Law  <law@redhat.com>
2192
2193         PR rtl-optimization/41619
2194         * caller-save.c (setup_save_areas): Break out code to determine
2195         which hard regs are live across calls by examining the reload chains
2196         so that it is always used.
2197         Eliminate code which checked REG_N_CALLS_CROSSED.
2198
2199 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2200
2201         PR tree-optimization/47355
2202         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2203         NOP has non-debug uses beyond PHIs in new_bb.
2204
2205 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2206
2207         PR debug/47106
2208         * cfgexpand.c (account_used_vars_for_block): Only account vars
2209         that are annotated as used.
2210         (estimated_stack_frame_size): Don't set TREE_USED.
2211         * tree-dfa.c (create_var_ann): Mark variable as used.
2212
2213 2011-01-21  Richard Guenther  <rguenther@suse.de>
2214
2215         PR middle-end/47395
2216         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2217
2218 2011-01-21  Richard Guenther  <rguenther@suse.de>
2219
2220         PR tree-optimization/47365
2221         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2222         (vn_reference_lookup_pieces): Adjust.
2223         (vn_reference_lookup): Likewise.
2224         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2225         (vn_reference_lookup_3): Only look through kills if in
2226         VN_WALKREWRITE mode.
2227         (vn_reference_lookup_pieces): Adjust.
2228         (vn_reference_lookup): Likewise.
2229         (visit_reference_op_load): Likewise.
2230         (visit_reference_op_store): Likewise.
2231         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2232         (compute_avail): Likewise.
2233         (eliminate): Likewise.
2234
2235 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2236
2237         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2238         DECL_IGNORED_P non-reg vars if they are used.
2239
2240         PR tree-optimization/47391
2241         * varpool.c (const_value_known_p): Return false if
2242         decl is volatile.
2243
2244 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2245
2246         PR bootstrap/47215
2247         * config/i386/i386.c (ix86_local_alignment): Handle
2248         case for va_list_type_node is nil.
2249         (ix86_canonical_va_list_type): Likewise.
2250
2251 2011-01-21  Alan Modra  <amodra@gmail.com>
2252
2253         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2254         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2255
2256 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2257
2258         * config/arm/arm.md (define_attr type): Rename f_load
2259         and f_store to f_fpa_load and f_fpa_store. Update.
2260         (write_conflict): Deal with rename fallout.
2261         (*push_fp_multi): Likewise.
2262         * config/arm/fpa.md (f_load): Use f_fpa_load.
2263         (f_store): Use f_fpa_store.
2264         (*movsf_fpa): Likewise.
2265         (*movdf_fpa): Likewise.
2266         (*movxf_fpa): Likewise.
2267         (*thumb2_movsf_fpa): Likewise.
2268         (*thumb2_movdf_fpa): Likewise.
2269         (*thumb2_movxf_fpa): Likewise.
2270         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2271         f_loadd and f_stored.
2272         (*thumb2_movdi_vfp): Likewise.
2273         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2274         (*thumb2_movsi_vfp): Likewise.
2275         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2276         Use f_loads instead of f_load.
2277         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2278
2279 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2280
2281         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2282         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2283         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2284         (xtensa_mode_dependent_address_p): New function.
2285         (constantpool_address_p): Make static. Change return type to bool.
2286         Change argument type to const_rtx. Use CONST_INT_P predicate.
2287
2288 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2289
2290         PR debug/46583
2291         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2292
2293 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2294
2295         PR debug/47283
2296         * cfgexpand.c (expand_debug_expr): Instead of generating
2297         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2298         etc. handling.
2299
2300 2011-01-20  Richard Guenther  <rguenther@suse.de>
2301
2302         PR middle-end/47370
2303         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2304         the pointer operand of MEM_REFs.
2305
2306 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2307
2308         PR tree-optimization/46130
2309         * ipa-split.c (consider_split): If return_bb contains non-virtual
2310         PHIs other than for retval or if split_function would not adjust it,
2311         refuse to split.
2312
2313 2011-01-20  Richard Guenther  <rguenther@suse.de>
2314
2315         PR tree-optimization/47167
2316         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2317         Revert previous change, only avoid enumeral type changes.
2318
2319 2011-01-19  Mike Stump  <mikestump@comcast.net>
2320
2321         * doc/tm.texi.in (BRANCH_COST): Englishify.
2322         * doc/tm.texi (BRANCH_COST): Likewise.
2323
2324 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2325
2326         PR c++/47291
2327         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2328         (gen_scheduled_generic_parms_dies): New functions.
2329         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2330         generation for the end of CU compilation.
2331         (dwarf2out_finish): Generate template parameters DIEs here.
2332
2333 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2334
2335         PR debug/46240
2336         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2337         debug bind stmt on merge edges.
2338
2339 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2340
2341         PR debug/47079
2342         PR debug/46724
2343         * function.c (instantiate_expr): Instantiate incoming rtl of
2344         implicit arguments, and recurse on VALUE_EXPRs.
2345         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2346         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2347
2348 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2349
2350         * c-parser.c (c_parser_for_statement): Initialize
2351         collection_expression.
2352
2353 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2354
2355         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2356
2357 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2358
2359         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2360         (LINK_SHLIB_SPEC): Don't use %(link_path).
2361         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2362
2363 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2364
2365         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2366         (NO_SHARED_LIB_SUPPORT): Remove.
2367         (LINK_SHLIB_SPEC): Remove one conditional definition.
2368
2369 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2370
2371         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2372         %{call_shared}.
2373         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2374         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2375         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2376         %{call_shared} and conditionals on these options not being passed.
2377         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2378         %{call_shared}.
2379
2380 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2381
2382         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2383         simplify.
2384
2385         * ipa-split.c: Spelling fixes.
2386
2387 2011-01-19  Richard Henderson  <rth@redhat.com>
2388
2389         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2390         (*mulsi3): Likewise.
2391
2392         * longlong.h [__mn10300__] (count_leading_zeros): New.
2393         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2394         [__mn10300__] (add_ssaaaa, subddmmss): New.
2395         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2396         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2397
2398 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2399
2400         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2401
2402 2011-01-19  Richard Henderson  <rth@redhat.com>
2403
2404         * config/mn10300/mn10300.md (addsi3_flags): New.
2405         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2406         (subsi3_flags, subc_internal, subdi3): New.
2407         (subdi3_internal, *subdi3_degenerate): New.
2408         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2409
2410         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2411         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2412         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2413         * config/mn10300/mn10300-protos.h: Update.
2414         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2415         (return_ret): Likewise.  Rename from return_internal_regs.
2416         (return_internal): Remove.
2417
2418         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2419         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2420         (mn10300_legitimate_constant_p): Likewise.
2421         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2422         (mn10300_frame_size): New.
2423         (mn10300_expand_prologue): Use it.
2424         (mn10300_expand_epilogue): Likewise.
2425         (mn10300_initial_offset): Likewise.
2426         * config/mn10300/mn10300-protos.h: Update.
2427         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2428         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2429         (prologue, epilogue, return_internal): Tidy output code.
2430         (mn10300_store_multiple_operation, return): Likewise.
2431         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2432         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2433         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2434         (load_pic, am33_load_pic): New.
2435         (mn10300_load_pic0, mn10300_load_pic1): New.
2436
2437         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2438         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2439         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2440         (cc_flags_for_mode, cc_flags_for_code): New.
2441         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2442         overflow flag is not valid.  Validate that the flags we need
2443         for the comparison are valid.
2444         (mn10300_output_cmp): Remove.
2445         (mn10300_output_add): New.
2446         (mn10300_select_cc_mode): Use cc_flags_for_code.
2447         (mn10300_split_cbranch): New.
2448         (mn10300_match_ccmode): New.
2449         (mn10300_split_and_operand_count): New.
2450         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2451         to the function.
2452         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2453         (addsi3): ... here.  Use mn10300_output_add.
2454         (*addsi3_flags): New.
2455         (*am33_subsi3, *mn10300_subsi3): Merge...
2456         (subsi3): ... here.  Use attribute isa.
2457         (*subsi3_flags): New.
2458         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2459         when possible.
2460         (*am33_andsi3, *mn10300_andsi3): Merge...
2461         (andsi3): ... here.
2462         (*andsi3_flags): New.
2463         (andsi3 splitters): New.
2464         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2465         (iorsi3): ... here.
2466         (*iorsi3_flags): New.
2467         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2468         (xorsi3): ... here.
2469         (*xorsi3_flags): New.
2470         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2471         (one_cmplsi2): ... here.
2472         (*one_cmplsi2_flags): New.
2473         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2474         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2475         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2476         use matching constraints to eliminate a self-comparison.
2477         (*integer_conditional_branch): Rename from integer_conditional_branch.
2478         Use int_mode_flags to match CC_REG.
2479         (*cbranchsi4_btst, *btstsi): New.
2480         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
2481         mn10300_split_cbranch.
2482         (*am33_cmpsf): Rename from am33_cmpsf.
2483         (*float_conditional_branch): Rename from float_conditional_branch.
2484         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2485         (zero_extendqisi2): ... here.
2486         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2487         (zero_extendhisi2): ... here.
2488         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2489         (extendqisi2): ... here.
2490         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2491         (extendhisi2): ... here.
2492         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2493         (ashlsi3): ... here.
2494         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2495         (lshrsi3): ... here.
2496         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2497         (ashrsi3): ... here.
2498         (consecutive add peephole): Remove.
2499         * config/mn10300/predicates.md (label_ref_operand): New.
2500         (int_mode_flags): New.
2501         (CCZN_comparison_operator): New.
2502
2503         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2504         (throughput_42_latency_43): New reservation.
2505         (mulsidi3, umulsidi3): New expanders.
2506         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2507         the MDR register to allocation; separately allocate the low and
2508         high parts of the DImode result.
2509         (umulsidi3_internal): Similarly.
2510         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2511         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2512         (udivsi3, umodsi3): Remove.
2513         (udivmodsi4, divmodsi4): New expanders.
2514         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2515         (*divmodsi4): Simiarly.
2516         (ext_internal): New.
2517
2518         * config/mn10300/constraints.md ("z"): New constraint.
2519         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2520         (FIXED_REGISTERS): Don't fix MDR.
2521         (CALL_USED_REGSITERS): Reformat nicely.
2522         (REG_ALLOC_ORDER): Add MDR.
2523         (enum regclass): Add MDR_REGS.
2524         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2525         (IRA_COVER_CLASSES): Add MDR_REGS.
2526         (REGNO_REG_CLASS): Handle MDR_REG.
2527         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2528         (mn10300_register_move_cost): Likewise.
2529         * config/mn10300/mn10300.md (MDR_REG): New.
2530         (*movsi_internal): Handle moves to/from MDR_REGS.
2531
2532         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2533         POST_MODIFY.
2534         (mn10300_secondary_reload): Tidy combination reload classes.
2535         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2536         addresses for AM33.  Allow symbolic offsets for reg+imm.
2537         (mn10300_regno_in_class_p): New.
2538         (mn10300_legitimize_reload_address): New.
2539         * config/mn10300/mn10300.h (enum reg_class): Remove
2540         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2541         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2542         SP_OR_GENERAL_REGS.
2543         (REG_CLASS_NAMES): Update to match.
2544         (REG_CLASS_CONTENTS): Likewise.
2545         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2546         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2547         (REGNO_IN_RANGE_P): Remove.
2548         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2549         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2550         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2551         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2552         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2553         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2554         (REGNO_GENERAL_P): New.
2555         (HAVE_POST_MODIFY_DISP): New.
2556         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2557         (LEGITIMIZE_RELOAD_ADDRESS): New.
2558         * config/mn10300/mn10300-protos.h: Update.
2559
2560         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2561         DATA_REGS for AM33 stack-pointer destination.
2562         (mn10300_preferred_output_reload_class): Likewise.
2563         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2564         into a form appropriate for ...
2565         (TARGET_SECONDARY_RELOAD): New.
2566         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2567         * config/mn10300/mn10300-protos.h: Update.
2568         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2569         reload_insi; use the "A" constraint for the scratch; handle AM33
2570         moves of sp to non-address registers.
2571
2572         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2573         (*movqi_internal): ... here.
2574         (*am33_movhi, *mn10300_movhi): Merge into...
2575         (*movhi_internal): ... here.
2576         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2577         as the source/destination of moves from/to SP.
2578         (movsf): Only allow for AM33-2.
2579         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2580         any integer constant constraint.  Only allow for AM33-2.  Tidy
2581         all of the alternative outputs.
2582         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2583         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2584         for MN103.
2585         (udivsi3, umodsi3): New patterns for MN103 only.
2586
2587 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2588
2589         * doc/tm.texi.in: Spell out that a lack of register class unions
2590         can lead to ICEs.
2591         * doc/tm.texi: Regenerate.
2592
2593 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2594
2595         PR rtl-optimization/47337
2596         * dce.c (check_argument_store): New function.
2597         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2598
2599         PR tree-optimization/47290
2600         * tree-eh.c (infinite_empty_loop_p): New function.
2601         (cleanup_empty_eh): Use it.
2602
2603 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2604
2605         PR target/46997
2606         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2607         (a64_expand_widen_sum): Ditto.
2608         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2609         (vec_extract_evenodd_help): Ditto.
2610         (vec_extract_evenv4hi): Ditto.
2611         (vec_extract_oddv4hi): Ditto.
2612         (vec_extract_evenv2si): Ditto.
2613         (vec_extract_oddv2si): Ditto.
2614         (vec_extract_evenv2sf): Ditto.
2615         (vec_extract_oddv2sf): Ditto.
2616         (vec_pack_trunc_v4hi: Ditto.
2617         (vec_pack_trunc_v2si): Ditto.
2618         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2619         (vec_interleave_highv8qi): Ditto.
2620         (mix1_r): Ditto.
2621         (vec_extract_oddv8qi): Ditto.
2622         (vec_interleave_lowv4hi): Ditto.
2623         (vec_interleave_highv4hi): Ditto.
2624         (vec_interleave_lowv2si): Ditto.
2625         (vec_interleave_highv2si): Ditto.
2626
2627 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2628
2629         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2630         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2631         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2632         (pa_c_mode_for_suffix): New.
2633         (TARGET_EXPAND_BUILTIN): Define.
2634         (TARGET_C_MODE_FOR_SUFFIX): Define.
2635         (pa_builtins): Define.
2636         (pa_init_builtins): Register __float128 type and init new support
2637         builtins.
2638         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2639         * config/pa/quadlib.c (_U_Qfcopysign): New.
2640
2641 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2642
2643         PR middle-end/46894
2644         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2645         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2646         are defined.
2647
2648 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2649
2650         PR tree-optimization/47179
2651         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2652         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2653
2654 2011-01-18  Richard Guenther  <rguenther@suse.de>
2655
2656         PR rtl-optimization/47216
2657         * emit-rtl.c: Include tree-flow.h.
2658         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2659         of replicating it with different semantics.
2660         * Makefile.in (emit-rtl.o): Adjust.
2661
2662 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2663
2664         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2665         (cortex_a9_dp): Handle neon types correctly.
2666
2667 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2668
2669         PR rtl-optimization/47299
2670         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2671         subtarget.  Use normal multiplication if both operands are constants.
2672         * expmed.c (expand_widening_mult): Don't try to optimize constant
2673         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2674         before using it.
2675
2676 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2677
2678         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2679         spacing after 'e.g.', typos, comma, hyphenation.
2680
2681 2011-01-17  Richard Henderson  <rth@redhat.com>
2682
2683         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2684         (rx_restricted_mem_operand): New.
2685         (rx_shift_operand): Use register_operand.
2686         (rx_source_operand, rx_compare_operand): Likewise.
2687         * config/rx/rx.md (addsi3_flags): New expander.
2688         (adddi3): Rewrite as expander.
2689         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2690         (subsi3_flags): New expander.
2691         (subdi3): Rewrite as expander.
2692         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2693
2694         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2695         (rx_init_builtins): Remove sat builtin.
2696         (rx_expand_builtin): Likewise.
2697         * config/rx/rx.md (ssaddsi3): New.
2698         (*sat): Rename from sat.  Represent the CC_REG input.
2699
2700         * config/rx/predicates.md (rshift_operator): New.
2701         * config/rx/rx.c (rx_expand_insv): Remove.
2702         * config/rx/rx-protos.h: Update.
2703         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2704         operand to the canonical position.
2705         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2706         (*bitclr, *bitclr_in_memory): Similarly.
2707         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2708         (insv): Retain the zero_extract in the expansion.
2709
2710         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2711         (bswaphi2, bitinvert, revw): Likewise.
2712
2713         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2714         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2715         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2716         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2717         (bitset, bitset_in_memory): Likewise.
2718         (bitinvert, bitinvert_in_memory): Likewise.
2719         (bitclr, bitclr_in_memory): Likewise.
2720         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2721         (rx_strend, rx_cmpstrn): Likewise.
2722         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2723         (bitop peep2 patterns): Remove.
2724
2725         * config/rx/rx.c (rx_match_ccmode): New.
2726         * config/rx/rx-protos.h: Update.
2727         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2728         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2729         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2730         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2731         (fix_truncsfsi2, floatsisf2): Likewise.
2732         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2733         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2734         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2735         (*subsi3_flags, *xorsi3_flags): New.
2736
2737         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2738
2739         * config/rx/rx.c (rx_print_operand): Remove workaround for
2740         unsplit comparison operations.
2741
2742         * config/rx/rx.md (movsicc): Split after reload.
2743         (*movsicc): Merge *movsieq and *movsine via match_operator.
2744         (*stcc): New pattern.
2745
2746         * config/rx/rx.c (rx_float_compare_mode): Remove.
2747         * config/rx/rx.h (rx_float_compare_mode): Remove.
2748         * config/rx/rx.md (cstoresi4): Split after reload.
2749         (*sccc): New pattern.
2750
2751         * config/rx/predicates.md (label_ref_operand): New.
2752         (rx_z_comparison_operator): New.
2753         (rx_zs_comparison_operator): New.
2754         (rx_fp_comparison_operator): New.
2755         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2756         Validate that the flags are set properly for the comparison.
2757         (rx_gen_cond_branch_template): Remove.
2758         (rx_cc_modes_compatible): Remove.
2759         (mode_from_flags): New.
2760         (flags_from_code): Rename from flags_needed_for_conditional.
2761         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2762         (rx_select_cc_mode): Likewise.
2763         (rx_split_fp_compare): New.
2764         (rx_split_cbranch): New.
2765         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2766         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2767         (*cbranchsf4): Similarly.
2768         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2769         match_operator and rx_split_cbranch.
2770         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2771         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2772         (*cmpsi): Rename from cmpsi.
2773         (*tstsi): Rename from tstsi.
2774         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2775         (*conditional_branch): Rename from conditional_branch.
2776         (*reveresed_conditional_branch): Remove.
2777         (b<code>): Remove expander.
2778         * config/rx/rx-protos.h: Update.
2779
2780         * config/rx/rx.c (rx_compare_redundant): Remove.
2781         * config/rx/rx.md (cmpsi): Don't use it.
2782         * config/rx/rx-protos.h: Update.
2783
2784         * config/rx/rx-modes.def (CC_F): New mode.
2785         * config/rx/rx.c (rx_select_cc_mode): New.
2786         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2787         * config/rx/rx-protos.h: Update.
2788
2789 2011-01-17  Richard Henderson  <rth@redhat.com>
2790
2791         * except.c (dump_eh_tree): Fix stray ; after for statement.
2792
2793 2011-01-17  Richard Guenther  <rguenther@suse.de>
2794
2795         PR tree-optimization/47313
2796         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2797         handling before copying the body.  Properly deal with
2798         by-reference result in SSA form.
2799
2800 2011-01-17  Ian Lance Taylor  <iant@google.com>
2801
2802         PR target/47219
2803         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2804         (struct_value_alias_set): Don't define.
2805         (sparc_option_override): Don't set sparc_sr_alias_set and
2806         struct_value_alias_set.
2807         (save_or_restore_regs): Use gen_frame_mem rather than calling
2808         set_mem_alias_set.
2809         (sparc_struct_value_rtx): Likewise.
2810
2811 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2812
2813         PR target/47318
2814         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2815         __m128i.
2816         (_mm_maskstore_pd): Likewise.
2817         (_mm_maskload_ps): Likewise.
2818         (_mm_maskstore_ps): Likewise.
2819         (_mm256_maskload_pd): Change mask to __m256i.
2820         (_mm256_maskstore_pd): Likewise.
2821         (_mm256_maskload_ps): Likewise.
2822         (_mm256_maskstore_ps): Likewise.
2823
2824         * config/i386/i386-builtin-types.def: Updated.
2825         (ix86_expand_special_args_builtin): Likewise.
2826
2827         * config/i386/i386.c (bdesc_special_args): Update
2828         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2829         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2830         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2831         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2832
2833         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2834         Use <avxpermvecmode> on mask register.
2835         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2836
2837 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2838             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2839             Eric Botcazou  <ebotcazou@adacore.com>
2840
2841         PR target/46655
2842         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2843         if <= USHRT_MAX in 32-bit mode.
2844
2845 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2846
2847         * doc/install.texi (Configuration, Specific): Wrap long
2848         lines in examples.  Allow line wrapping in long options
2849         and URLs where beneficial for PDF output.
2850
2851 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2852
2853         * config/mips/mips.c (mips_classify_symbol): Don't return
2854         SYMBOL_PC_RELATIVE for nonlocal labels.
2855
2856 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2857
2858         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2859
2860 2011-01-15  Jan Hubicka  <jh@suse.cz>
2861
2862         PR tree-optimization/47276
2863         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2864         declarations as needed.
2865
2866 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2867
2868         * common.opt (fdevirtualize): New flag.
2869         * doc/invoke.texi (Option Summary): Document it.
2870         * opts.c (default_options_table): Add devirtualize flag.
2871         * ipa-prop.c (detect_type_change): Return immediately if
2872         devirtualize flag is not set.
2873         (detect_type_change_ssa): Likewise.
2874         (compute_known_type_jump_func): Likewise.
2875         (ipa_analyze_virtual_call_uses): Likewise.
2876
2877 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2878
2879         PR tree-optimization/45934
2880         PR tree-optimization/46302
2881         * ipa-prop.c (type_change_info): New type.
2882         (stmt_may_be_vtbl_ptr_store): New function.
2883         (check_stmt_for_type_change): Likewise.
2884         (detect_type_change): Likewise.
2885         (detect_type_change_ssa): Likewise.
2886         (compute_complex_assign_jump_func): Check for dynamic type change.
2887         (compute_complex_ancestor_jump_func): Likewise.
2888         (compute_known_type_jump_func): Likewise.
2889         (compute_scalar_jump_functions): Likewise.
2890         (ipa_analyze_virtual_call_uses): Likewise.
2891         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2892
2893 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2894
2895         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2896         * config/i386/i386.opt (msse5): New Alias.
2897
2898 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2899
2900         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2901         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2902         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2903         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2904
2905 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2906
2907         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2908         -mcpu options.
2909         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2910         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2911         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2912         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2913         Likewise.
2914         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2915
2916 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2917
2918         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2919
2920 2011-01-14  Mike Stump  <mikestump@comcast.net>
2921
2922         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2923         * config/fr30/fr30.md: Likweise
2924         (movsi_push): Likewise.
2925         (movsi_pop): Likewise.
2926         (enter_func): Likewise.
2927         * config/moxie/moxie.md (movsi_push): Likewise.
2928         (movsi_pop): Likewise.
2929
2930 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2931
2932         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2933         %{no_archive} %{exact_version}.
2934         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2935         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2936         %{no_archive} %{exact_version}.
2937         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2938         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2939         * config/mips/vxworks.h: Likewise.
2940
2941 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2942
2943         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2944
2945 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2946
2947         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2948         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2949
2950 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2951
2952         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2953         -nodefaultlib.
2954
2955 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2956
2957         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2958         for mcpu not cpu.
2959         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2960         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2961         not cpu.
2962         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2963         Don't handle -shlib.
2964
2965 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2966
2967         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2968         (CC1_SPEC): Don't handle -profile.
2969
2970 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2971
2972         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2973         * config/mips/mips.h (CC1_SPEC): Likewise.
2974
2975 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2976
2977         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2978         * config/mips/mips.h (CC1_SPEC): Likewise.
2979
2980 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2981
2982         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2983         * config/m32r/linux.h (LINK_SPEC): Likewise.
2984         * config/mips/linux.h (LINK_SPEC): Likewise.
2985         * config/mips/linux64.h (LINK_SPEC): Likewise.
2986         * config/sparc/linux.h (LINK_SPEC): Likewise.
2987         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2988         LINK_SPEC): Likewise.
2989         * config/xtensa/linux.h (LINK_SPEC): Likewise.
2990
2991 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2992
2993         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
2994         %{version:-v}.
2995         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
2996
2997 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2998
2999         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3000         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3001
3002 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3003
3004         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3005
3006 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3007
3008         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3009         supports -Bstatic/-Bdynamic.
3010         * configure: Regenerate.
3011
3012 2011-01-14  Jan Hubicka  <jh@suse.cz>
3013         Jack Howarth <howarth@bromo.med.uc.edu>
3014
3015         PR target/46037
3016         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3017         when checking debug_info_level. Test write_symbols instead of
3018         debug_hooks->var_location when setting flag_var_tracking_uninit.
3019
3020 2011-01-14  Richard Guenther  <rguenther@suse.de>
3021
3022         PR tree-optimization/47179
3023         * target.def (ref_may_alias_errno): New target hook.
3024         * targhooks.h (default_ref_may_alias_errno): Declare.
3025         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3026         (default_ref_may_alias_errno): New function.
3027         * target.h (struct ao_ref_s): Declare.
3028         * tree-ssa-alias.c: Include target.h.
3029         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3030         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3031         (targhooks.o): Likewise.
3032         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3033         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3034
3035 2011-01-14  Richard Guenther  <rguenther@suse.de>
3036
3037         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3038
3039 2011-01-14  Richard Guenther  <rguenther@suse.de>
3040
3041         PR tree-optimization/47280
3042         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3043         return CFG changes.
3044         (tree_ssa_forward_propagate_single_use_vars): Deal with
3045         CFG changes from associate_plusminus.
3046
3047 2011-01-14  Richard Guenther  <rguenther@suse.de>
3048
3049         PR middle-end/47281
3050         Revert
3051         2011-01-11  Richard Guenther  <rguenther@suse.de>
3052
3053         PR tree-optimization/46076
3054         * tree-ssa.c (useless_type_conversion_p): Conversions from
3055         unprototyped to empty argument list function types are useless.
3056
3057 2011-01-14  Richard Guenther  <rguenther@suse.de>
3058
3059         PR tree-optimization/47286
3060         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3061
3062 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3063
3064         PR middle-end/46823
3065         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3066
3067 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3068
3069         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3070         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3071         * config/xtensa/xtensa.c (xtensa_libcall_value,
3072         xtensa_function_value_regno_p): New functions.
3073         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3074
3075 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3076
3077         PR c++/47213
3078         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3079         PE specific hook.
3080         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3081         New function prototype.
3082         * config/i386/winnt.c (i386_pe_assemble_visibility):
3083         Warn only if attribute was specified by user.
3084
3085 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3086
3087         PR target/47251
3088         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3089         floating point.
3090         (floatunsdidf2_fcfidu): Ditto.
3091
3092 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3093
3094         * config/s390/s390.c (print_operand_address): Replace 'error' with
3095         'output_operand_lossage'.
3096         (print_operand): Likewise.
3097
3098 2011-01-13  Jeff Law  <law@redhat.com>
3099
3100         PR rtl-optimization/39077
3101         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3102         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3103         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3104         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3105         * gcse.c (prune_insertions_deletions): New function.
3106         (compute_pre_data): Use it.
3107
3108 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3109
3110         PR debug/PR46973
3111         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3112         static function.
3113         (prune_unused_types_mark): Use it.
3114
3115 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3116
3117         PR rtl-optimization/45352
3118         * sel-sched.c: Update copyright years.
3119         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3120         in the advancing loop when we have issued issue_rate insns.
3121
3122 2011-01-12  Richard Henderson  <rth@redhat.com>
3123
3124         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3125         (TARGET_MD_ASM_CLOBBERS): New.
3126
3127         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3128         (TARGET_DELEGITIMIZE_ADDRESS): New.
3129
3130         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3131         (clzsi2, *bsch): New patterns.
3132
3133         * config/mn10300/mn10300.md (INT): New mode iterator.
3134         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3135
3136         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3137         flag_split_wide_types.
3138
3139         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3140         (mn10300_trampoline_init): Rewrite without a template, an immediate
3141         load and a direct branch.
3142         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3143
3144 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3145
3146         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3147         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3148         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3149         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3150
3151 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3152
3153         PR debug/47209
3154         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3155         of type.
3156
3157 2011-01-12  Jan Hubicka  <jh@suse.cz>
3158
3159         PR driver/47244
3160         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3161         (PLUGIN_COND_CLOSE): New macro.
3162         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3163
3164 2011-01-12  Richard Guenther  <rguenther@suse.de>
3165
3166         PR lto/47259
3167         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3168         register variables in a MEM_REF.
3169
3170 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3171
3172         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3173         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3174         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3175         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3176         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3177         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3178         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3179         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3180         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3181         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3182         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3183         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3184         * config/gnu-user.h: New.  Copied from linux.h.
3185         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3186         GNU_USER_TARGET_STARTFILE_SPEC.
3187         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3188         GNU_USER_TARGET_ENDFILE_SPEC.
3189         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3190         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3191         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3192         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3193         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3194         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3195         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3196         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3197         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3198         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3199         * config/arm/linux-eabi.h (CC1_SPEC): Use
3200         GNU_USER_TARGET_CC1_SPEC.
3201         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3202         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3203         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3204         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3205         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3206         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3207         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3208         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3209
3210 2011-01-12  Richard Guenther  <rguenther@suse.de>
3211
3212         PR other/46946
3213         * doc/invoke.texi (ffast-math): Document it is turned on
3214         with -Ofast.
3215
3216 2011-01-12  Jan Hubicka  <jh@suse.cz>
3217
3218         PR tree-optimization/47233
3219         * opts.c (common_handle_option): Disable ipa-reference with profile
3220         feedback.
3221
3222 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3223
3224         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3225         error message.
3226
3227 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3228
3229         * c-parser.c (c_lex_one_token): Updated and reindented some
3230         comments.  No changes in code.
3231
3232 2011-01-11  Ian Lance Taylor  <iant@google.com>
3233
3234         * godump.c (go_output_var): Don't output the variable if there is
3235         already a type with the same name.
3236
3237 2011-01-11  Ian Lance Taylor  <iant@google.com>
3238
3239         * godump.c (go_format_type): Don't generate float80.
3240
3241 2011-01-11  Richard Henderson  <rth@redhat.com>
3242
3243         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3244         declaration.  Rewrite for both speed and size.
3245         (mn10300_address_cost_1): Remove.
3246         (mn10300_register_move_cost): New.
3247         (mn10300_memory_move_cost): New.
3248         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3249         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3250         extensions, shifts, BSWAP, CLZ.
3251         (mn10300_wide_const_load_uses_clr): Remove.
3252         (TARGET_REGISTER_MOVE_COST): New.
3253         (TARGET_MEMORY_MOVE_COST): New.
3254         * config/mn10300/mn10300-protos.h: Update.
3255         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3256
3257         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3258         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3259         * config/mn10300/mn10300-protos.h: Update.
3260         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3261         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3262         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3263         (*test_int_bitfield, *test_byte_bitfield): Remove.
3264         (*bit_test, *subreg_bit_test): Remove.
3265         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3266
3267         * config/mn10300/constraints.md ("c"): Rename from "A".
3268         ("A", "D"): New constraint letters.
3269         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3270         (fmssf4, fnmasf4, fnmssf4): Likewise.
3271
3272         * config/mn10300/mn10300.md (isa): New attribute.
3273         (enabled): New attribute.
3274
3275         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3276         (abssf2, negsf2): Define only for hardware fp.
3277         (sqrtsf2): Reformat.
3278         (addsf3, subsf3, mulsf3): Merge expander and insn.
3279
3280         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3281         (DEBUGGER_AUTO_OFFSET): Remove.
3282         (DEBUGGER_ARG_OFFSET): Remove.
3283
3284         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3285         Emit register stores with the same offsets as the hardware.
3286         (mn10300_store_multiple_operation): Don't check that the register
3287         save offsets are monotonic.
3288         * config/mn10300/mn10300-protos.h: Update.
3289
3290         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3291
3292         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3293         in terms of the value on the stack, not the MDR register.
3294
3295 2011-01-11  Jan Hubicka  <jh@suse.cz>
3296
3297         PR lto/45721
3298         PR lto/45375
3299         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3300         (symbol_alias_set_destroy, symbol_alias_set_contains,
3301         propagate_aliases_backward): Declare.
3302         * lto-streamer-out.c (struct sets): New sturcture.
3303         (trivally_defined_alias): New function.
3304         (output_alias_pair_p): Rewrite.
3305         (output_unreferenced_globals): Fix output of alias pairs.
3306         (produce_symtab): Likewise.
3307         * ipa.c (function_and_variable_visibility): Set weak alias destination
3308         as needed in lto.
3309         * varasm.c (symbol_alias_set_t): Remove.
3310         (symbol_alias_set_destroy): Export.
3311         (propagate_aliases_forward, propagate_aliases_backward): New functions
3312         based on ...
3313         (compute_visible_aliases): ... this one; remove.
3314         (trivially_visible_alias): New
3315         (trivially_defined_alias): New.
3316         (remove_unreachable_alias_pairs): Rewrite.
3317         (finish_aliases_1): Reorganize code checking if alias is defined.
3318         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3319         in LTO mode.
3320
3321 2011-01-11  Richard Guenther  <rguenther@suse.de>
3322
3323         PR tree-optimization/46076
3324         * tree-ssa.c (useless_type_conversion_p): Conversions from
3325         unprototyped to empty argument list function types are useless.
3326
3327 2011-01-11  Richard Guenther  <rguenther@suse.de>
3328
3329         PR middle-end/45235
3330         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3331         volatile MEMs as MEM_READONLY_P.
3332
3333 2011-01-11  Richard Guenther  <rguenther@suse.de>
3334
3335         PR tree-optimization/47239
3336         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3337
3338 2011-01-11  Jeff Law  <law@redhat.com>
3339
3340         PR tree-optimization/47086
3341         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3342         IVs from statements that might throw.
3343
3344 2011-01-10  Jan Hubicka  <jh@suse.cz>
3345
3346         PR lto/45375
3347         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3348
3349 2011-01-10  Jan Hubicka  <jh@suse.cz>
3350
3351         PR lto/45375
3352         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3353         when correcting profile.
3354
3355 2011-01-10  Jan Hubicka  <jh@suse.cz>
3356
3357         PR lto/46083
3358         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3359         DECL_FINI_PRIORITY.
3360         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3361         Restore DECL_FINI_PRIORITY.
3362
3363 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3364
3365         * doc/gimple.texi: Fix quoting of multi-word return values in
3366         @deftypefn statements.  Ensure presence of return value.  Wrap
3367         overlong @deftypefn lines.
3368         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3369         descriptions of removed functions.
3370         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3371         of multi-word return value in @deftypefn statement.
3372
3373 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3374
3375         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3376         (Conditional Expressions, Logical Operators)
3377         (Statement and operand traversals): Do not indent smallexample
3378         code.  Fix duplicate function argument in example.
3379
3380 2011-01-10  Jeff Law  <law@redhat.com>
3381
3382         PR tree-optimization/47141
3383         * ipa-split.c (split_function): Handle case where we are
3384         returning a value and the return block has a virtual operand phi.
3385
3386 2011-01-10  Jan Hubicka  <jh@suse.cz>
3387
3388         PR tree-optimization/47234
3389         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3390         (pass_feedback_split_functions): Declare.
3391         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3392         tree-profile.
3393         * ipa-split.c (gate_split_functions): Update comments; disable
3394         split-functions for profile_arc_flag and branch_probabilities.
3395         (gate_feedback_split_functions): New function.
3396         (execute_feedback_split_functions): New function.
3397         (pass_feedback_split_functions): New global var.
3398
3399 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3400
3401         PR lto/46760
3402         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3403         calling gimple_call_set_cannot_inline.
3404
3405 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3406
3407         * config/darwin-sections.def: Remove unused section.
3408
3409 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3410
3411         PR c++/47218
3412         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3413
3414 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3415
3416         PR objc/47232
3417         * c-parser.c (c_parser_declaration_or_fndef): Improved
3418         error message.
3419
3420 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3421
3422         * config/i386/winnt.c (i386_pe_start_function): Make sure
3423         to switch back to function's section.
3424
3425 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3426
3427         PR gcc/46902
3428         PR testsuite/46912
3429         * plugin.c: Move include of dlfcn.h from here...
3430         * system.h: ... to here.
3431
3432 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3433
3434         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3435         file name.
3436         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3437         two extra empty pages in PDF output.
3438
3439 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3440
3441         PR objc/47078
3442         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3443         for error recovery purposes behave as if it was not specified so
3444         that the default type is usd.
3445
3446 2011-01-07  Jan Hubicka  <jh@suse.cz>
3447
3448         PR tree-optmization/46469
3449         * ipa.c (function_and_variable_visibility): Clear needed flags on
3450         nodes with external decls; handle weakrefs merging correctly.
3451
3452 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3453
3454         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3455         not false.
3456
3457 2011-01-07  Jan Hubicka  <jh@suse.cz>
3458
3459         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3460         and no longer claim that gold is required for linker plugin.
3461         * configure: Regenerate.
3462         * gcc.c (PLUGIN_COND): New macro.
3463         (LINK_COMMAND_SPEC): Use it.
3464         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3465         * config.in (HAVE_LTO_PLUGIN): New.
3466         * configure.ac (--with-lto-plugin): New parameter; autodetect
3467         HAVE_LTO_PLUGIN.
3468
3469 2011-01-07  Jan Hubicka  <jh@suse.cz>
3470
3471         PR tree-optimization/46367
3472         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3473         when we can update original.
3474         (cgraph_mark_inline_edge): Sanity check.
3475         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3476
3477 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3478
3479         * config/spu/spu.h (ASM_COMMENT_START): Define.
3480
3481 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3482
3483         PR driver/42445
3484         * gcc.c (%>S): New.
3485         (SWITCH_KEEP_FOR_GCC): Likewise.
3486         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3487         (do_spec_1): Handle "%>".
3488
3489         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3490
3491 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
3492
3493         PR target/47201
3494         * config/i386/i386.c (ix86_delegitimize_address): If
3495         simplify_gen_subreg fails, return orig_x.
3496
3497         PR bootstrap/47187
3498         * value-prof.c (gimple_stringop_fixed_value): Handle
3499         lhs of the call properly.
3500
3501 2011-01-07  Jan Hubicka  <jh@suse.cz>
3502
3503         PR lto/45375
3504         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3505
3506 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3507
3508         * target.def (function_switched_text_sections): New hook.
3509         * doc/tm.texi: Regenerated.
3510         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3511         * final.c (default_function_switched_text_sections): New.
3512         (final_scan_insn): Call function_switched_text_sections when a
3513         mid-function section change occurs.
3514         * output.h (default_function_switched_text_sections): Declare.
3515         * config/darwin-protos.h (darwin_function_switched_text_sections):
3516         Likewise.
3517         * config/darwin.c (darwin_function_switched_text_sections): New.
3518         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3519
3520 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3521
3522         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3523         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3524         the secondary code fragment when outputting for DWARF == 2.
3525
3526 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3527
3528         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3529         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3530         Remove.
3531         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3532         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3533
3534 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3535
3536         PR debug/46704
3537         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3538         when it is not empty.
3539
3540 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3541
3542         Bobcat Enablement
3543         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3544         (case ${target}): Add btver1.
3545         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3546         -march=native recognize btver1 processors.
3547         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3548         btver1 def_and_undef
3549         * config/i386/i386.c (struct processor_costs btver1_cost): New
3550         btver1 cost table.
3551         (m_BTVER1): New definition.
3552         (m_AMD_MULTIPLE): Includes m_BTVER1.
3553         (initial_ix86_tune_features): Add btver1 tune.
3554         (processor_target_table): Add btver1 entry.
3555         (static const char *const cpu_names): Add btver1 entry.
3556         (software_prefetching_beneficial_p): Add btver1.
3557         (ix86_option_override_internal): Add btver1 instruction sets.
3558         (ix86_issue_rate): Add btver1.
3559         (ix86_adjust_cost): Add btver1.
3560         * config/i386/i386.h (TARGET_BTVER1): New definition.
3561         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3562         (enum processor_type): Add PROCESSOR_BTVER1.
3563         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3564
3565 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3566
3567         PR target/43309
3568         * config/i386/i386.c (legitimize_tls_address)
3569         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3570         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3571         (tls_initial_exec_64_sun): New pattern.
3572
3573 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3574
3575         * doc/invoke.texi (Overall Options): Improve wording and markup
3576         of the description of -wrapper.
3577
3578 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3579
3580         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3581         rdynamic, threads): New Driver options.
3582
3583 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3584
3585         PR target/38118
3586         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3587         if coming from .tdata.
3588         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3589
3590 2011-01-06  Jan Hubicka  <jh@suse.cz>
3591
3592         PR lto/47188
3593         * collect2.c (main): Do not enable LTOmode when plugin is active.
3594
3595 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3596
3597         PR other/45915
3598         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3599         --version output if supported.
3600         * configure: Regenerate.
3601
3602 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3603
3604         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3605         Driver options.
3606
3607 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3608
3609         PR c/47150
3610         * c-convert.c (convert): When converting a complex expression
3611         other than COMPLEX_EXPR to a different complex type, ensure
3612         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3613         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3614         when converting COMPLEX_TYPE.
3615
3616 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3617
3618         PR tree-optimization/47139
3619         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3620         only the last reduction value is used outside the loop.  Update
3621         documentation.
3622
3623 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
3624
3625         * config/rtems.opt: New.
3626         * config.gcc (*-*-rtems*): Use rtems.opt.
3627
3628 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
3629
3630         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3631         processors do not support 3DNow instructions.
3632
3633 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3634
3635         * config/spu/spu.c (spu_option_override): Set parameter
3636         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3637
3638 2011-01-05  Jan Hubicka  <jh@suse.cz>
3639
3640         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3641         at the command line.
3642
3643 2011-01-05  Martin Jambor  <mjambor@suse.cz>
3644
3645         PR lto/47162
3646         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3647         deltas on streamed outgoing edges.
3648         (output_node_opt_summary): Output info for outgoing edges only when
3649         the node is in new parameter set.
3650         (output_cgraph_opt_summary): New parameter set, passed to the two
3651         aforementioned functions.  Update its forward declaration and its
3652         callee too.
3653
3654 2011-01-05  Tom Tromey  <tromey@redhat.com>
3655
3656         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3657         operator to c_finish_omp_atomic.
3658         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3659         (build_unary_op): Update.
3660         (build_modify_expr): Update.
3661         (build_asm_expr): Update.
3662
3663 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3664
3665         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3666         newly inserted insns.
3667         (pad_bb): Likewise.
3668         (spu_emit_branch_hint): Likewise.
3669         (insert_hbrp_for_ilb_runout): Likewise.
3670         (spu_machine_dependent_reorg): Call df_finish_pass after
3671         schedule_insns returns.
3672
3673 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3674
3675         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3676
3677 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3678
3679         PR tree-optimization/47005
3680         * tree-sra.c (struct access): Add 'non_addressable' bit.
3681         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3682         (decide_one_param_reduction): Return 0 if the parameter is passed by
3683         reference and one of the accesses in the group is non_addressable.
3684
3685 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3686
3687         PR tree-optimization/47056
3688         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3689         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
3690         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
3691
3692 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3693
3694         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3695         initializer.  Skip view conversions from aggregate types.
3696
3697 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
3698
3699         PR bootstrap/47055
3700         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3701
3702 2011-01-04  Philipp Thomas <pth@suse.de>
3703
3704         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3705         obvious typo.
3706
3707 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3708
3709         * function.c (thread_prologue_and_epilogue_insns): Do not crash
3710         on empty epilogue sequences.
3711
3712 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
3713
3714         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3715         non-static): New Driver options.
3716
3717 2011-01-04  Jie Zhang  <jie@codesourcery.com>
3718
3719         PR driver/47137
3720         * gcc.c (default_compilers[]): Set combinable field to 0
3721         for all assembly languages.
3722
3723 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3724
3725         * config/mips/loongson3a.md: New file.
3726         * config/mips/mips.md: Include loongson3a.md.
3727         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3728         TUNE_LOONGSON_3A.
3729
3730 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3731
3732         PR middle-end/47017
3733         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3734         instead of convert_memory_address_addr_space on the base expression.
3735
3736 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3737
3738         * config/spu/spu.c (spu_option_override): Update error text
3739         for bad -march= / -mtune= values.
3740
3741 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3742
3743         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3744         if branch-hint optimization will be performed.
3745
3746 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3747
3748         PR tree-optimization/47148
3749         * ipa-split.c (split_function): Convert arguments to
3750         DECL_ARG_TYPE if possible.
3751
3752         PR tree-optimization/47155
3753         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3754         when computing uns.
3755
3756         PR rtl-optimization/47157
3757         * combine.c (try_combine): If undobuf.other_insn becomes
3758         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3759         and set *new_direct_jump_p too.
3760
3761 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         PR tree-optimization/47021
3764         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3765
3766 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3767
3768         * gcc.c (process_command): Update copyright notice dates.
3769         * gcov.c (print_version): Likewise.
3770         * gcov-dump.c (print_version): Likewise.
3771         * mips-tfile.c (main): Likewise.
3772         * mips-tdump.c (main): Likewise.
3773
3774 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3775
3776         PR tree-optimization/46801
3777         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3778         aggregate fields start at byte boundary instead of the bit-field flag.
3779
3780 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3781
3782         PR driver/47137
3783         * gcc.c (main): Revert revision 168407.
3784
3785 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3786
3787         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3788
3789 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3790
3791         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3792         vector optab to expand vector/scalar shift, update gimple to vector.
3793
3794 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3795
3796         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3797         a thunk.
3798
3799 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3800
3801         PR tree-optimization/46984
3802         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3803         HOST_WIDE_INT.
3804         (cgraph_create_indirect_edge): Fixed line length.
3805         (cgraph_indirect_call_info): Declare.
3806         (cgraph_make_edge_direct) Update declaration.
3807         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3808         (cgraph_create_indirect_edge): Use it.
3809         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3810         callees.
3811         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3812         the new thunk_delta representation.
3813         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3814         HOST_WIDE_INT.
3815         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3816         (ipa_read_indirect_edge_info): Likewise.
3817         * lto-cgraph.c (output_edge_opt_summary): New function.
3818         (output_node_opt_summary): Call it on all outgoing edges.
3819         (input_edge_opt_summary): New function.
3820         (input_node_opt_summary): Call it on all outgoing edges.
3821
3822 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3823
3824         PR driver/47137
3825         * gcc.c (main): Don't check have_o when settting combine_inputs.
3826
3827 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3828
3829         * regrename.c: Add general comment describing the pass.
3830         (struct du_head): Remove 'length' field.
3831         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3832         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3833         Force renaming to the preferred class (if any) in the first pass and do
3834         not consider registers that belong to it in the second pass.
3835         (create_new_chain): Do not set 'length' field.
3836         (scan_rtx_reg): Likewise.
3837
3838 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3839
3840         PR tree-optimization/47140
3841         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3842         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3843         to bit_value_binop.
3844
3845         PR rtl-optimization/47028
3846         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3847         parm_birth_insn instead of at the beginning of first bb.
3848
3849 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3850
3851         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3852         Remove the word "see" before "@pxref".
3853         * doc/rtl.texi: Remove the word "see" before "@pxref".
3854
3855 2011-01-01  Jan Hubicka  <jh@suse.cz>
3856
3857         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3858         memory.
3859
3860 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3861
3862         PR target/38662
3863         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3864
3865 \f
3866 Copyright (C) 2011 Free Software Foundation, Inc.
3867
3868 Copying and distribution of this file, with or without modification,
3869 are permitted in any medium without royalty provided the copyright
3870 notice and this notice are preserved.