gcc/ChangeLog

   1 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
   2
   3         PR debug/47780
   4         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
   5         avoid invalid rtx sharing.
   6
   7 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
   8
   9         * doc/cpp.texi (Obsolete Features): Add background on the
  10         origin of assertions.
  11
  12 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
  13
  14         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
  15         objc_abi == 2.
  16         * config/darwin.c (output_objc_section_asm_op): Added support for
  17         ABI v1 and v2.
  18         (is_objc_metadata): New.
  19         (darwin_objc2_section): New.
  20         (darwin_objc1_section): New.
  21         (machopic_select_section): Added support for ABI v1 and v2.
  22         (darwin_emit_objc_zeroed): New.
  23         (darwin_output_aligned_bss): Detect objc metadata and treat it
  24         appropriately.
  25         (darwin_asm_output_aligned_decl_common): Same.
  26         (darwin_asm_output_aligned_decl_local): Same.
  27         * config/darwin-sections.def: Updated for ABI v1 and v2.
  28         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
  29         compiling Objective-C code for the NeXT runtime, default to using
  30         ABI version 0 for 32-bit, and version 2 for 64-bit.
  31
  32 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  33
  34         * common.opt (optimize_fast): New Variable.
  35         * opts.c (default_options_optimization): Use opts->x_optimize_fast
  36         instead of local variable ofast.
  37
  38 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
  39
  40         * doc/invoke.texi (fobjc-abi-version): Documented.
  41         (fobjc-nilcheck): Documented.
  42         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
  43         version.
  44
  45 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  46
  47         PR driver/47390
  48         * common.opt (export-dynamic): New Driver option.
  49         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
  50
  51 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  52
  53         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
  54
  55 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
  56             Jan Hubicka  <jh@suse.cz>
  57
  58         PR debug/47106
  59         PR debug/47402
  60         * cfgexpand.c (account_used_vars_for_block): Remove.
  61         (estimated_stack_frame_size): Use referenced vars.
  62         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
  63         that were referenced in the original function.  Test src_fn
  64         rather than cfun.  Drop redundant get_var_ann.
  65         (setup_one_parameter): Drop redundant get_var_ann.
  66         (declare_return_variable): Likewise.
  67         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
  68         (copy_arguments_for_versioning): Drop redundant get_var_ann.
  69         * ipa-inline.c (compute_inline_parameters): Do not compute
  70         disregard_inline_limits here.
  71         are not available.
  72         (compute_inlinable_for_current, pass_inlinable): New.
  73         (pass_inline_parameters): Require PROP_referenced_vars.
  74         * cgraphunit.c (cgraph_process_new_functions): Don't run
  75         compute_inline_parameters explicitly unless function is in
  76         SSA form.
  77         (cgraph_analyze_function): Set .disregard_inline_limits.
  78         * tree-sra.c (convert_callers): Compute inliner parameters
  79         only for functions already in SSA form.
  80
  81 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  82
  83         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
  84         -mlittle-endian-data.
  85
  86 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
  87
  88         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
  89         -mno-fpu, not -fpu and -no-fpu.
  90         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
  91         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
  92
  93 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
  94
  95         PR target/43653
  96         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
  97         input reload with PLUS RTX.
  98
  99 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 100
 101         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
 102         of InverseVar(MDMX).
 103
 104 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 105
 106         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
 107         --m4-340.
 108
 109 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 110
 111         * config/mn10300/mn10300.opt (mno-crt0): New.
 112
 113 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 114
 115         * config/m68k/uclinux.opt (static-libc): New Driver option.
 116
 117 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 118
 119         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
 120
 121 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 122
 123         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
 124         %{muser-extend-enabled}.
 125
 126 2011-02-16  Richard Guenther  <rguenther@suse.de>
 127
 128         PR tree-optimization/47738
 129         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
 130         the TODO from tree_predictive_commoning.
 131
 132 2011-02-15  Jeff Law  <law@redhat.com>
 133
 134         Revert
 135         2011-01-25  Jeff Law  <law@redhat.com>
 136
 137         PR rtl-optimization/37273
 138         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 139         handle them like argument loads from stack slots.  Do not double
 140         count memory for memory constants and argument loads from stack slots.
 141
 142 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 143
 144         PR middle-end/47725
 145         * combine.c (cant_combine_insn_p): Revert the last change.
 146
 147 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 148
 149         PR target/47755
 150         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
 151         mode for vector constants.  Remove code that checks for TImode.
 152
 153 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 154
 155         PR debug/47106
 156         PR debug/47402
 157         * cgraph.h (compute_inline_parameters): Return void.
 158         * ipa-inline.c (compute_inline_parameters): Adjust.
 159
 160 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 161
 162         PR debug/47106
 163         PR debug/47402
 164         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
 165         rather than decl.
 166         * cfgexpand.c (estimated_stack_frame_size): Likewise.
 167         * ipa-inline.c (compute_inline_parameters): Adjust.
 168
 169 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 170
 171         PR debug/47106
 172         PR debug/47402
 173         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
 174         Adjust all users.  Pass FN to...
 175         * tree-flow-inline.h (first_referenced_var): ... this.  Add
 176         fn argument.
 177         * ipa-struct-reorg.c: Adjust.
 178         * tree-dfa.c: Adjust.
 179         * tree-into-ssa.c: Adjust.
 180         * tree-sra.c: Adjust.
 181         * tree-ssa-alias.c: Adjust.
 182         * tree-ssa-live.c: Adjust.
 183         * tree-ssa.c: Adjust.
 184         * tree-ssanames.c: Adjust.
 185         * tree-tailcall.c: Adjust.
 186
 187 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 188
 189         PR debug/47106
 190         PR debug/47402
 191         * tree-flow.h (referenced_var_lookup): Add fn parameter.
 192         Adjust all callers.
 193         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
 194         * tree-flow-inline.h: Adjust.
 195         * gimple-pretty-print.c: Adjust.
 196         * tree-into-ssa.c: Adjust.
 197         * tree-ssa.c: Adjust.
 198         * cfgexpand.c: Adjust.
 199
 200 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 201
 202         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
 203         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 204         (EXTRA_CONSTRAINT): Delete.
 205         * config/iq2000/constraints.md: New file.
 206         * config/iq2000/iq2000.md: Include it.
 207         (define_insn ""): Delete.
 208         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
 209         unsupported constraint letters from patterns.
 210         (call_value, call_value_internal1): Likewise.
 211         (call_value_multiple_internal1): Likewise.
 212
 213 2011-02-15  Nick Clifton  <nickc@redhat.com>
 214
 215         * config/mn10300/mn10300.c: Include tm-constrs.h.
 216         (struct liw_data): New data structure describing an LIW candidate
 217         instruction.
 218         (extract_bundle): Use struct liw_data.  Allow small integer
 219         operands for some instructions.
 220         (check_liw_constraints): Use struct liw_data.  Remove swapped
 221         parameter.  Add comments describing the checks.  Fix bug when
 222         assigning the source of liw1 to the source of liw2.
 223         (liw_candidate): Delete.  Code moved into extract_bundle.
 224         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
 225         before swapping.
 226         * config/mn10300/predicates.md (liw_operand): New predicate.
 227         Allows registers and small integer constants.
 228         * config/mn10300/constraints.md (O): New constraint.  Accetps
 229         integers in the range -8 to +7 inclusive.
 230         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
 231         for moving a small integer into a register.  Give this alternative
 232         LIW attributes.
 233         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
 234         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
 235         using the J,K,L and M constraints,
 236         (liw): Remove SI mode on second operands to allow for HI and QI
 237         mode values.
 238         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
 239         instruction.
 240
 241 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 242
 243         PR middle-end/47725
 244         * combine.c (cant_combine_insn_p): Check zero/sign extended
 245         hard registers.
 246
 247 2011-02-15  Richard Guenther  <rguenther@suse.de>
 248
 249         PR tree-optimization/47743
 250         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
 251         for a non-type-compatible VN lookup bail out.
 252
 253 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 254
 255         * config/fr30/constraints.md: New file.
 256         * config/fr30/fr30.md: Include it.
 257         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
 258         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 259         (EXTRA_CONSTRAINT): Delete.
 260
 261 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 262
 263         * config/frv/constraints.md: New file.
 264         * config/frv/predicates.md: Include it.
 265         * config/frv/frv.c (reg_class_from_letter): Delete.
 266         (frv_option_override): Don't initialize it.
 267         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
 268         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
 269         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
 270         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 271         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
 272         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 273         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
 274         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
 275         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
 276         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
 277         (REG_CLASS_FROM_CONSTRAINT): Delete.
 278
 279 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
 280
 281         PR middle-end/47581
 282         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
 283         if frame size is 0 in a leaf function.
 284
 285 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 286
 287         PR pch/14940
 288         * config/alpha/host-osf.c: New file.
 289         * config/alpha/x-osf: New file.
 290         * config.host (alpha*-dec-osf*): Use it.
 291
 292 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 293
 294         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 295         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
 296         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
 297         (rx_mode_dependent_address_p): ...this. Make static. Change argument
 298         type to const_rtx.
 299         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 300
 301 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 302
 303         * config/stormy16/constraints.md: New file.
 304         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
 305         Use satisfies_constraint_Q and satisfies_constraint_R.
 306         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
 307         Delete.
 308         (xstormy16_legitiamte_address_p): Declare.
 309         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
 310         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 311         (EXTRA_CONSTRAINT): Delete.
 312         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
 313         Un-staticize.
 314         (xstormy16_extra_constraint_p): Delete.
 315
 316 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 317
 318         PR tree-optimization/46494
 319         * loop-unroll.c (split_edge_and_insert): Adjust comment.
 320         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
 321         (pass_rtl_loop_done): Add TODO_verify_flow.
 322         * fwprop.c (pass_rtl_fwprop): Likewise.
 323         * modulo-sched.c (pass_sms): Likewise.
 324         * tree-ssa-dom.c (pass_dominator): Likewise.
 325         * tree-ssa-loop-ch.c (pass_ch): Likewise.
 326         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
 327         (pass_tree_loop_done): Likewise.
 328         * tree-ssa-pre.c (execute_pre): Likewise.
 329         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
 330         * tree-ssa-sink.c (pass_sink_code): Likewise.
 331         * tree-vrp.c (pass_vrp): Likewise.
 332
 333 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 334
 335         * config/v850/constraints.md: New file.
 336         * config/v850/v850.md: Include it.
 337         * config/v850/predicates.md (reg_or_0_operand): Use
 338         satisfies_constraint_G.
 339         (special_symbolref_operand): Use satisfies_constraint_K.
 340         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
 341         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
 342         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
 343         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 344         (EXTRA_CONSTRAINT): Delete.
 345         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
 346         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
 347         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
 348
 349 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 350
 351         PR target/47696
 352         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
 353         description.
 354
 355 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 356
 357         * config/mcore/constraints.md: New file.
 358         * config/mcore/mcore.md: Include it.
 359         * config/mcore/mcore.c (reg_class_from_letter): Delete.
 360         * config/mcore/mcore.h (reg_class_from_letter): Delete.
 361         (REG_CLASS_FROM_LETTER): Delete.
 362         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
 363         insn_const_int_ok_for_constraint.
 364         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
 365         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
 366         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 367         (EXTRA_CONSTRAINT): Delete.
 368
 369 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 370
 371         PR ada/41929
 372         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
 373         (IS_SIGHANDLER): Define.
 374         (sparc64_is_sighandler): New function, split off from
 375         sparc64_fallback_frame_state.
 376         (sparc_is_sighandler): New function, split off from
 377         sparc_fallback_frame_state.
 378         (sparc64_fallback_frame_state): Merge with ...
 379         (sparc_fallback_frame_state): ... this into ...
 380         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
 381         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
 382         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
 383         stack instead of hardcoded offsets.
 384
 385 2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 386
 387         * go/gccgo.texi (Top, Import and Export): Fix a typo and a markup nit.
 388
 389 2011-02-14  Andriy Gapon  <avg@freebsd.org>
 390
 391         PR target/45808
 392         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
 393
 394 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 395
 396         * configure: Regenerate.
 397
 398 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
 399
 400         PR driver/45731
 401         * gcc.c (asm_options): Correct spec matching --target-help.
 402
 403 2011-02-12  Martin Jambor  <mjambor@suse.cz>
 404
 405         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
 406         to gimple call error.
 407
 408 2011-02-12  Mike Stump  <mikestump@comcast.net>
 409
 410         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
 411         comments in backslash regions.
 412
 413 2011-02-12  Mike Stump  <mikestump@comcast.net>
 414             Jakub Jelinek  <jakub@redhat.com>
 415             Iain Sandoe  <iains@gcc.gnu.org>
 416
 417         PR target/47324
 418         * dwarf2out.c (output_cfa_loc): When required, apply the
 419         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
 420         (output_loc_sequence): Likewise.
 421         (output_loc_operands_raw): Likewise.
 422         (output_loc_sequence_raw): Likewise.
 423         (output_cfa_loc): Likewise.
 424         (output_loc_list): Suppress register number adjustment when
 425         calling output_loc_sequence()
 426         (output_die): Likewise.
 427
 428 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
 429
 430         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 431         Remove macros.
 432         * config/xtensa/xtensa.c (xtensa_register_move_cost,
 433         xtensa_memory_move_cost): New functions.
 434         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
 435
 436 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
 437
 438         PR lto/47225
 439         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
 440         in the current directory.
 441         * configure: Rebuilt.
 442
 443 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 444
 445         * config/darwin.c (darwin_override_options): Add a hunk missed
 446         from the commit of r168571.  Trim comment line lengths and
 447         correct indents of the preceding block.
 448
 449 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 450
 451         * gcc.c (driver_handle_option): Concatenate the argument to -F with
 452         the switch.
 453
 454 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 455
 456         * common.opt (nostartfiles): New Driver option.
 457
 458 2011-02-11  Xinliang David Li  <davidxl@google.com>
 459
 460         PR tree-optimization/47707
 461         * tree-chrec.c (convert_affine_scev): Keep type precision.
 462
 463 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
 464
 465         PR tree-optimization/47420
 466         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
 467
 468 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
 469
 470         PR rtl-optimization/47614
 471         * rtl.h (check_for_inc_dec): Declare.
 472         * dse.c (check_for_inc_dec): Externalize...
 473         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
 474         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
 475
 476 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 477
 478         PR driver/47678
 479         * gcc.c (main): Do not compile inputs if there were errors in
 480         option handling.
 481         * opts-common.c (read_cmdline_option): Check for wrong language
 482         after other error checks.
 483
 484 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
 485
 486         * cgraph.c: Fix comment typos.
 487         * cgraph.h: Likewise.
 488         * cgraphunit.c: Likewise.
 489         * ipa-cp.c: Likewise.
 490         * ipa-inline.c: Likewise.
 491         * ipa-prop.c: Likewise.
 492         * ipa-pure-const.c: Likewise.
 493         * ipa-ref.c: Likewise.
 494         * ipa-reference.c: Likewise.
 495
 496 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
 497
 498         PR debug/47684
 499         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
 500
 501 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 502
 503         PR testsuite/47400
 504         * doc/sourcebuild.texi (Require Support): Document
 505         dg-require-ascii-locale.
 506
 507 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
 508
 509         * doc/lto.texi (Write summary): Fix missing parentheses.
 510
 511 2011-02-10  DJ Delorie  <dj@redhat.com>
 512
 513         * config/m32c/m32c.c (m32c_option_override): Disable
 514         -fcombine-stack-adjustments until flag value tracking and compare
 515         optimization can be rewritten.
 516
 517 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
 518
 519         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
 520         PROCESSOR_POWER7.
 521         (PROCESSOR_DEFAULT64): Likewise.
 522
 523 2011-02-10  Richard Henderson  <rth@redhat.com>
 524
 525         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
 526         change from 2011-02-03.
 527         * config/rx/rx.c (flags_from_code): Likewise.
 528         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
 529         is valid, n/pz otherwise.
 530         (rx_select_cc_mode): Return CCmode if Y is not zero.
 531
 532 2011-02-10  Richard Guenther  <rguenther@suse.de>
 533
 534         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
 535
 536 2011-02-10  Richard Guenther  <rguenther@suse.de>
 537
 538         PR tree-optimization/47677
 539         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
 540
 541 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
 542
 543         PR target/47665
 544         * combine.c (make_compound_operation): Only change shifts into
 545         multiplication for SCALAR_INT_MODE_P.
 546
 547 2011-02-10  Jie Zhang  <jie@codesourcery.com>
 548
 549         PR testsuite/47622
 550         Revert
 551         2011-02-05  Jie Zhang  <jie@codesourcery.com>
 552         PR debug/42631
 553         * web.c (entry_register): Don't clobber the number of the
 554         first uninitialized reference in used[].
 555
 556 2011-02-09  Richard Guenther  <rguenther@suse.de>
 557
 558         PR tree-optimization/47664
 559         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
 560         all edges again.
 561
 562 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
 563
 564         PR target/46481
 565         PR target/47032
 566         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
 567         PROCESSOR_POWER7.
 568         (PROCESSOR_DEFAULT64): Same.
 569         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
 570
 571 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 572
 573         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
 574
 575 2011-02-09  Martin Jambor  <mjambor@suse.cz>
 576
 577         PR middle-end/45505
 578         * tree-sra.c (struct access): New flags grp_scalar_read and
 579         grp_scalar_write.  Changed description of assignment read and write
 580         flags.
 581         (dump_access): Dump new flags, reorder all of them.
 582         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
 583         to detect multiple scalar reads.
 584         (analyze_access_subtree): Use the new scalar read write flags instead
 585         of the old flags.  Adjusted comments.
 586
 587 2011-02-08  DJ Delorie  <dj@redhat.com>
 588
 589         PR target/47548
 590         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
 591         patterns.
 592
 593 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 594
 595         * config/m68k/uclinux.opt: New.
 596         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
 597
 598 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 599
 600         * config/cris/elf.opt (sim): New Driver option.
 601
 602 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 603
 604         * config/xtensa/elf.opt: New.
 605         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
 606
 607 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 608
 609         * config/vax/elf.opt: New.
 610         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
 611
 612 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 613
 614         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
 615
 616 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 617
 618         * config/gnu-user.opt: New.
 619         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
 620         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
 621         *-*-uclinux*): Use gnu-user.opt.
 622
 623 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
 624
 625         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
 626         * config/i386/gnu.h (CPP_SPEC): Likewise.
 627
 628 2011-02-08  Ian Lance Taylor  <iant@google.com>
 629
 630         * common.opt (fcx-limited-range): Add SetByCombined flag.
 631         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
 632         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
 633         (fassociative-math, freciprocal-math): Likewise.
 634         (funsafe-math-optimizations): Likewise.
 635         * opth-gen.awk: Handle SetByCombined.
 636         * optc-gen.awk: Likewise.
 637         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
 638         (set_unsafe_math_optimizations_flags): Likewise.
 639         * doc/options.texi (Option properties): Document SetByCombined.
 640
 641 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
 642
 643         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
 644         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
 645         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
 646         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
 647         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
 648
 649 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
 650
 651         PR tree-optimization/46834
 652         PR tree-optimization/46994
 653         PR tree-optimization/46995
 654         * graphite-sese-to-poly.c (used_outside_reduction): New.
 655         (detect_commutative_reduction): Call used_outside_reduction.
 656         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
 657         translate_scalar_reduction_to_array only when at least one
 658         loop-phi/close-phi tuple has been detected.
 659
 660 2011-02-08  Richard Guenther  <rguenther@suse.de>
 661
 662         PR middle-end/47639
 663         * tree-vect-generic.c (expand_vector_operations_1): Update
 664         stmts here ...
 665         (expand_vector_operations): ... not here.  Cleanup EH info
 666         and the CFG if required.
 667
 668 2011-02-08  Richard Guenther  <rguenther@suse.de>
 669
 670         PR tree-optimization/47641
 671         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
 672         require type compatibility.
 673
 674 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 675
 676         * gimple-low.c (lower_function_body): Don't remove the location of
 677         the return statement here.
 678         (lower_gimple_return): Do it here instead but only if the return
 679         statement is actually used twice.
 680
 681 2011-02-08  Richard Guenther  <rguenther@suse.de>
 682
 683         PR tree-optimization/47632
 684         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
 685         unused up_to_stmt parameter, return whether cfg-cleanup is
 686         necessary, remove EH info properly.
 687         (forward_propagate_into_gimple_cond): Adjust caller.
 688         (forward_propagate_into_cond): Likewise.
 689         (forward_propagate_comparison): Likewise.
 690         (tree_ssa_forward_propagate_single_use_vars): Make
 691         forward_propagate_comparison case similar to the two others.
 692
 693 2011-02-08  Nick Clifton  <nickc@redhat.com>
 694
 695         * config/mn10300/mn10300.opt (mliw): New command line option.
 696         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
 697         (liw_bundling): New automaton.
 698         (liw): New attribute.
 699         (liw_op): New attribute.
 700         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
 701         (movsi_internal): Add LIW attributes.
 702         (andsi3): Likewise.
 703         (iorsi3): Likewise.
 704         (xorsi3): Likewise.
 705         (addsi3): Separate register and immediate alternatives.
 706         Add LIW attributes.
 707         (subsi3): Likewise.
 708         (cmpsi): Likewise.
 709         (aslsi3): Likewise.
 710         (lshrsi3): Likewise.
 711         (ashrsi3): Likewise.
 712         (liw): New pattern.
 713         * config/mn10300/mn10300.c (liw_op_names): New
 714         (mn10300_print_operand): Handle 'W' operand descriptor.
 715         (extract_bundle): New function.
 716         (check_liw_constraints): New function.
 717         (liw_candidate): New function.
 718         (mn10300_bundle_liw): New function.
 719         (mn10300_reorg): New function.
 720         (TARGET_MACHINE_DEPENDENT_REORG): Define.
 721         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
 722         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
 723         __LIW__ or __NO_LIW__.
 724         * doc/invoke.texi: Describe the -mliw command line option.
 725
 726 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 727
 728         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
 729         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
 730         pthread_mutex_unlock): Remove.
 731         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
 732         * config/pa/t-pa64: Likewise.
 733         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
 734         shared libc if not linking against libpthread.
 735         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
 736
 737 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
 738
 739         PR target/47558
 740         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
 741         on 10.6 and later to ensure that we always use the unwinder from
 742         the system.  Only add -no_compact_unwind when tarteting darwin
 743         10.6 or later.
 744
 745 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
 746
 747         PR target/46997
 748         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
 749         (vec_interleave_lowv2sf): Ditto.
 750         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
 751         (vec_extract_oddv2sf): Ditto.
 752
 753 2011-02-07  Mike Stump  <mikestump@comcast.net>
 754
 755         PR target/42333
 756         Add __ieee_divdc3 entry point.
 757         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
 758         entry point.
 759         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
 760         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
 761         * config/darwin.c (darwin_rename_builtins): Add.
 762         * config/darwin-protos.h (darwin_rename_builtins): Add.
 763
 764 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
 765
 766         PR target/47636
 767         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
 768         for the condition.
 769
 770 2011-02-07  Mike Stump  <mikestump@comcast.net>
 771
 772         * config/darwin.opt (mmacosx-version-min): Update default OS version.
 773
 774 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
 775
 776         PR target/47534
 777         * config/avr/libgcc.S (exit): Move .endfunc
 778
 779 2011-02-07  Richard Guenther  <rguenther@suse.de>
 780
 781         PR tree-optimization/47615
 782         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
 783         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
 784         (run_scc_vn): Initialize it.
 785         (visit_reference_op_load): Use it.
 786         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
 787
 788 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 789
 790         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
 791         DImode trapping arithmetic libfuncs.
 792
 793 2011-02-07  Richard Guenther  <rguenther@suse.de>
 794
 795         PR tree-optimization/47621
 796         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
 797         two duplicates ...
 798         (execute_update_addresses_taken): ... here.  Make it more
 799         conservative in what we accept.
 800
 801 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 802
 803         * config/sparc/freebsd.h (ASM_SPEC): Define.
 804         * config/sparc/vxworks.h (ASM_SPEC): Define.
 805
 806 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
 807
 808         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
 809
 810 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
 811
 812         * doc/invoke.texi: Remove reference to compiler internals from
 813         user documentation.
 814
 815         * reg-notes.def: Remove REG_VALUE_PROFILE.
 816         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
 817
 818 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
 819
 820         PR middle-end/47610
 821         * varasm.c (default_section_type_flags): If decl is NULL,
 822         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
 823
 824 2011-02-05  Jie Zhang  <jie@codesourcery.com>
 825
 826         PR debug/42631
 827         * web.c (entry_register): Don't clobber the number of the
 828         first uninitialized reference in used[].
 829
 830 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
 831
 832         PR tree-optimization/46194
 833         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
 834         (build_classic_dist_vector_1): Do not represent classic distance
 835         vectors when the access functions are variating in different loops.
 836
 837 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 838
 839         * config/mips/iris6.opt: New.
 840         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
 841
 842 2011-02-04  Richard Henderson  <rth@redhat.com>
 843             Steve Ellcey  <sje@cup.hp.com>
 844
 845         PR target/46997
 846         * config/ia64/predicates.md (mux1_brcst_element): New.
 847         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
 848         * config/ia64/ia64.c (ia64_unpack_assemble): New.
 849         (ia64_unpack_sign): New.
 850         (ia64_expand_unpack): Rewrite using new routines.
 851         (ia64_expand_widen_sum): Ditto.
 852         (ia64_expand_dot_prod_v8qi): Ditto.
 853         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
 854         routines, add endian check.
 855         (pmpy2_even): Rename from pmpy2_r, add endian check.
 856         (pmpy2_odd): Rename from pmpy2_l, add endian check.
 857         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
 858         (vec_widen_smult_hi_v4hi): Ditto.
 859         (vec_widen_umult_lo_v4hi): Ditto.
 860         (vec_widen_umult_hi_v4hi): Ditto.
 861         (mulv2si3): Change endian checks.
 862         (sdot_prodv4hi): Rewrite with new calls.
 863         (udot_prodv4hi): New.
 864         (vec_pack_ssat_v4hi): Add endian check.
 865         (vec_pack_usat_v4hi): Ditto.
 866         (vec_pack_ssat_v2si): Ditto.
 867         (max1_even): Rename from max1_r, add endian check.
 868         (max1_odd): Rename from max1_l, add endian check.
 869         (*mux1_rev): Format change.
 870         (*mux1_mix): Ditto.
 871         (*mux1_shuf): Ditto.
 872         (*mux1_alt): Ditto.
 873         (*mux1_brcst_v8qi): Use new predicate.
 874         (vec_extract_evenv8qi): Remove endian check.
 875         (vec_extract_oddv8qi): Ditto.
 876         (vec_interleave_lowv4hi): Format change.
 877         (vec_interleave_highv4hi): Ditto.
 878         (mix2_even): Rename from mix2_r, add endian check.
 879         (mix2_odd): Rename from mux2_l, add endian check.
 880         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
 881         (vec_extract_evenodd_helper): Format change.
 882         (vec_extract_evenv4hi): Remove endian check.
 883         (vec_extract_oddv4hi): Remove endian check.
 884         (vec_interleave_lowv2si): Format change.
 885         (vec_interleave_highv2si): Format change.
 886         (vec_initv2si): Remove endian check.
 887         (vecinit_v2si): Add endian check.
 888         (reduc_splus_v2sf): Add endian check.
 889         (reduc_smax_v2sf): Ditto.
 890         (reduc_smin_v2sf): Ditto.
 891         (vec_initv2sf): Remove endian check.
 892         (fpack): Add endian check.
 893         (fswap): Add endian check.
 894         (vec_interleave_highv2sf): Add endian check.
 895         (vec_interleave_lowv2sf): Add endian check.
 896         (fmix_lr): Add endian check.
 897         (vec_setv2sf): Format change.
 898         (*vec_extractv2sf_0_be): Use shift to extract operand.
 899         (*vec_extractv2sf_1_be): New.
 900         (vec_pack_trunc_v4hi): Add endian check.
 901         (vec_pack_trunc_v2si): Format change.
 902
 903 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
 904
 905         PR inline-asm/23200
 906         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
 907         do bb, locus and block comparison and disallow loads if it is not set.
 908         (stmt_is_replaceable_p): New function.
 909         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
 910         callers.
 911         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
 912         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
 913         SSA_NAME_DEF_STMT.
 914         * tree-flow.h (stmt_is_replaceable_p): New prototype.
 915
 916 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 917
 918         * config/rs6000/xilinx.opt: New.
 919         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
 920
 921 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
 922
 923         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
 924
 925 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
 926
 927         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
 928         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 929         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
 930         secondary_reload_info, xtensa_secondary_reload): Remove.
 931         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
 932         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 933         (xtensa_preferred_reload_class): Make static. Change return and
 934         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
 935         Use CONST_DOUBLE_P predicate.
 936         (xtensa_preferred_output_reload_class): New function.
 937         (xtensa_secondary_reload): Make static.
 938
 939 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
 940
 941         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
 942         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
 943         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
 944
 945 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 946
 947         PR middle-end/31490
 948         * output.h (SECTION_RELRO): Define.
 949         (SECTION_MACH_DEP): Adjust.
 950         (get_variable_section): New prototype.
 951         * varpool.c (varpool_finalize_named_section_flags): New function.
 952         (varpool_assemble_pending_decls): Call it.
 953         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
 954         * cgraphunit.c (cgraph_output_in_order): Call
 955         varpool_finalize_named_section_flags.
 956         * varasm.c (get_section): Allow section flags conflicts between
 957         relro and read-only sections if the section hasn't been declared yet.
 958         Set SECTION_OVERRIDE after diagnosing section type conflict.
 959         (get_variable_section): No longer static.
 960         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
 961         readonly sections that need relocations.
 962         (decl_readonly_section_1): New function.
 963         (decl_readonly_section): Use it.
 964
 965         Revert:
 966         2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
 967                     Steve Ellcey  <sje@cup.hp.com>
 968
 969         PR middle-end/31490
 970         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
 971         if section attribute used.
 972
 973 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 974
 975         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
 976         * config/darwin.c (SECTION_NO_ANCHOR): Define.
 977         (darwin_init_sections): Remove assertion.
 978
 979 2011-02-03  Nick Clifton  <nickc@redhat.com>
 980
 981         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
 982         lt and ge.
 983         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
 984         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
 985         instead of "n" and "pz".
 986         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
 987         CC_FLAG_S.
 988
 989 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
 990
 991         PR target/47312
 992         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
 993         fma, expand FMA_EXPR as fma{,f,l} call.
 994
 995         PR lto/47274
 996         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
 997         copy them into a unsigned char variable and pass address of it to
 998         lto_output_data_stream.
 999
1000         PR target/47564
1001         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1002         around backend_init_target and lang_dependent_init_target calls.
1003         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1004         (verify_cgraph_node): Don't call set_cfun here.  Use
1005         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1006         Set error_found for incorrectly represented calls to thunks.
1007
1008 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1009
1010         PR debug/43092
1011         PR rtl-optimization/43494
1012         * rtl.h (for_each_inc_dec_fn): New type.
1013         (for_each_inc_dec): Declare.
1014         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1015         (for_each_inc_dec_find_inc_dec): New fn.
1016         (for_each_inc_dec_find_mem): New fn.
1017         (for_each_inc_dec): New fn.
1018         * dse.c (struct insn_size): Remove.
1019         (replace_inc_dec, replace_inc_dec_mem): Remove.
1020         (emit_inc_dec_insn_before): New fn.
1021         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1022         (canon_address): Pass mem modes to cselib_lookup.
1023         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1024         (cselib_lookup_from_insn): Likewise.
1025         (cselib_subst_to_values): Likewise.
1026         * cselib.c (find_slot_memmode): New var.
1027         (cselib_find_slot): New fn.  Use it instead of
1028         htab_find_slot_with_hash everywhere.
1029         (entry_and_rtx_equal_p): Use find_slot_memmode.
1030         (autoinc_split): New fn.
1031         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1032         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1033         Deal with autoinc.  Special-case recursion into MEMs.
1034         (cselib_hash_rtx): Likewise.
1035         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1036         address and MEM modes.
1037         (cselib_subst_to_values): Add memmode, pass it on.
1038         Deal with autoinc.
1039         (cselib_lookup): Add memmode argument, pass it on.
1040         (cselib_lookup_from_insn): Add memmode.
1041         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1042         (struct cselib_record_autoinc_data): New.
1043         (cselib_record_autoinc_cb): New fn.
1044         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1045         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1046         (cselib_process_insn): ... here.
1047         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1048         to cselib_lookup.
1049         (add_uses): Likewise, also to cselib_subst_to_values.
1050         (add_stores): Likewise.
1051         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1052         cselib_subst_to_values.
1053         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1054         * gcse.c (do_local_cprop): Adjusted.
1055         * postreload.c (reload_cse_simplify_set): Adjusted.
1056         (reload_cse_simplify_operands): Adjusted.
1057         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1058
1059 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1060
1061         PR tree-optimization/45122
1062         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1063         unsafe assumptions when there's more than one loop exit.
1064
1065 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1066
1067         PR target/47272
1068         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1069         Document using vector double with the load/store builtins, and
1070         that the load/store builtins always use Altivec instructions.
1071
1072         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1073         to use altivec memory instructions, even on VSX.
1074         (vector_altivec_store_<mode>): Ditto.
1075
1076         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1077         function.
1078
1079         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1080         V2DF, V2DI support to load/store overloaded builtins.
1081
1082         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1083         altivec load/store builtins for V2DF/V2DI types.
1084
1085         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1086         set avoid indexed addresses on power6 if -maltivec.
1087         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1088         vector_altivec_load/vector_altivec_store builtins.
1089         (altivec_expand_st_builtin): Ditto.
1090         (altivec_expand_builtin): Add VSX memory builtins.
1091         (rs6000_init_builtins): Add V2DI types to internal types.
1092         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1093         load/store builtins.
1094         (rs6000_address_for_altivec): Insure memory address is appropriate
1095         for Altivec.
1096
1097         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1098         vec_vsx_ld and vec_vsx_st.
1099         (vsx_store_<mode>): Ditto.
1100
1101         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1102         variables to hold long long types for VSX vector memory builtins.
1103         (RS6000_BTI_unsigned_long_long): Ditto.
1104         (long_long_integer_type_internal_node): Ditti.
1105         (long_long_unsigned_type_internal_node): Ditti.
1106
1107         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1108         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1109         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1110
1111         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1112         short cuts.
1113         (vec_vsx_st): Ditto.
1114
1115 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1116
1117         * config/pa/pa-hpux10.opt: New.
1118         * config/hpux11.opt (pthread): New Driver option.
1119         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1120         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1121
1122 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1123
1124         * config/ia64/vms.opt: New.
1125         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1126
1127 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1128
1129         PR target/47580
1130         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1131         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1132         generator functions.
1133         (vsx_floatuns<VSi><mode>2): Ditto.
1134         (vsx_fix_trunc<mode><VSi>2): Ditto.
1135         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1136
1137 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1138
1139         * config/i386/djgpp.opt (posix): New Driver option.
1140
1141 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1142
1143         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1144         Move to the unsupported targets list.
1145
1146 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1147
1148         PR rtl-optimization/47525
1149         * df-scan.c: Update copyright years.
1150         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1151         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1152
1153 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1154
1155         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1156         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1157         (ASM_OUTPUT_ASCII): Remove.
1158         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1159
1160 2011-02-02  Jeff Law  <law@redhat.com>
1161
1162         PR middle-end/47543
1163         * reload.c (find_reloads_address): Handle reg+d address where both
1164         components are invalid by reloading the entire address.
1165
1166 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1167             Richard Guenther  <rguenther@suse.de>
1168
1169         PR tree-optimization/40979
1170         PR bootstrap/47044
1171         * passes.c (init_optimization_passes): After LIM call copy_prop
1172         and DCE to clean up.
1173         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1174
1175 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1176
1177         PR tree-optimization/47576
1178         PR tree-optimization/47555
1179         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1180         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1181         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1182         * tree-scalar-evolution.c (follow_ssa_edge): Use
1183         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1184
1185 2011-02-02  Richard Guenther  <rguenther@suse.de>
1186
1187         PR tree-optimization/47566
1188         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1189
1190 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1191
1192         PR debug/47106
1193         PR debug/47402
1194         * tree-inline.c (declare_return_variable): Remove unused caller
1195         variable.
1196
1197         PR debug/47106
1198         PR debug/47402
1199         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1200         * cfgexpand.c (account_used_vars_for_block): Use them.
1201         * tree-nrv.c (tree_nrv): Likewise.
1202         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1203         (dump_scope_block): Likewise.
1204         (remove_unused_locals): Likewise.
1205
1206         PR debug/47106
1207         PR debug/47402
1208         * tree-inline.c (declare_return_variable): Add result decl to
1209         local decls only once.
1210         * gimple-low.c (record_vars_into): Mark newly-created variables
1211         as referenced.
1212
1213 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1214
1215         PR debug/47498
1216         PR debug/47501
1217         PR debug/45136
1218         PR debug/45130
1219         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1220         debug insns.
1221         (no_real_insns_p, schedule_block, set_priorities): Drop special
1222         treatment of boundary debug insns.
1223         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1224         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1225         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1226         (BOUNDARY_DEBUG_INSN_P): Likewise.
1227         (SCHEDULE_DEBUG_INSN_P): Likewise.
1228         * sched-rgn.c (init_ready_list): Drop special treatment of
1229         boundary debug insns.
1230         * final.c (rest_of_clean_state): Clear notes' BB.
1231
1232 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1233
1234         * config/openbsd.opt (assert=): New Driver option.
1235
1236 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1237
1238         * config/i386/nto.opt: New.
1239         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1240
1241 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1242
1243         * config/i386/netware.opt: New.
1244         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1245
1246 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1247
1248         * config/interix.opt (posix): New Driver option.
1249
1250 2011-02-01  DJ Delorie  <dj@redhat.com>
1251
1252         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1253
1254         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1255         class for A0/A1.
1256
1257 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1258
1259         PR tree-optimization/47561
1260         * toplev.c (process_options): Print the Graphite flags.  Add
1261         flag_loop_flatten to the list of options requiring Graphite.
1262
1263 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1264
1265         * config/i386/cygming.opt (posix): New Driver option.
1266
1267 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1268
1269         * config/arm/vxworks.opt: New.
1270         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1271
1272 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1273
1274         * config/alpha/elf.opt: New.
1275         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1276         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1277
1278 2011-02-01  Richard Guenther  <rguenther@suse.de>
1279
1280         PR tree-optimization/47559
1281         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1282         store-motion on references that can throw.
1283
1284 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1285
1286         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1287         * tree-pass.h (TDF_CSELIB): New macro.
1288         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1289         cselib_lookup): Check for it rather than for TDF_DETAILS.
1290
1291 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1292
1293         PR driver/47547
1294         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1295         is HOST_BIT_BUCKET.
1296
1297         * opts.c (finish_options): Don't add x_aux_base_name if it is
1298         HOST_BIT_BUCKET.
1299
1300 2011-02-01  Richard Guenther  <rguenther@suse.de>
1301
1302         PR tree-optimization/47555
1303         Revert
1304         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1305
1306         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1307
1308 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1309
1310         PR gcc/46692
1311         * config/lm32/t-lm32: Add multilib for all CPU options.
1312
1313 2011-02-01  Richard Guenther  <rguenther@suse.de>
1314
1315         PR tree-optimization/47541
1316         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1317         sure to have a field at offset zero.
1318
1319 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1320
1321         * config/arc/arc.opt (EB, EL): New Driver options.
1322
1323 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1324
1325         * config/alpha/osf5.opt: New.
1326         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1327
1328 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1329
1330         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1331
1332 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1333
1334         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1335         -floop-interchange.
1336         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1337         is an alias of -floop-interchange and that it requires the
1338         Graphite infrastructure.
1339         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1340         flag_loop_interchange based on the value of flag_tree_loop_linear.
1341
1342 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1343             Richard Guenther  <rguenther@suse.de>
1344
1345         PR tree-optimization/47538
1346         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1347         type instead of r1type, except for comparisons.  For right
1348         shifts and comparisons punt if there are mismatches in
1349         sizetype vs. non-sizetype types.
1350
1351 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1352
1353         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1354         avx_runtime.
1355
1356 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1357
1358         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1359         version number.
1360         * configure: Regenerate.
1361
1362 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1363
1364         * configure.ac (gcc_cv_ld_static_option): Define.
1365         (gcc_cv_ld_dynamic_option): Define.
1366         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1367         instead.
1368         (HAVE_LD_STATIC_DYNAMIC): Update message.
1369         (LD_STATIC_OPTION): Define.
1370         (LD_DYNAMIC_OPTION): Define.
1371         * configure: Regenerate.
1372         * config.in: Regenerate.
1373         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1374         HAVE_LD_STATIC_DYNAMIC]: Use them.
1375
1376 2011-01-31  Nick Clifton  <nickc@redhat.com>
1377
1378         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1379         registers inside interrupt handlers if the handler is not a leaf
1380         function.
1381
1382 2011-01-31  Nick Clifton  <nickc@redhat.com>
1383
1384         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1385         reg_renumber returning an INVALID_REGNUM.
1386
1387 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1388
1389         PR libgcj/44341
1390         * doc/install.texi: Document host options discarded when cross
1391         configuring target libraries.
1392
1393 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1394
1395         Reverted:
1396         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1397         PR debug/45136
1398         PR debug/45130
1399         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1400         debug insns.
1401         (no_real_insns_p, schedule_block, set_priorities): Drop special
1402         treatment of boundary debug insns.
1403         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1404         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1405         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1406         (BOUNDARY_DEBUG_INSN_P): Likewise.
1407         (SCHEDULE_DEBUG_INSN_P): Likewise.
1408         * sched-rgn.c (init_ready_list): Drop special treatment of
1409         boundary debug insns.
1410         * final.c (rest_of_clean-state): Clear notes' BB.
1411
1412 2011-01-31  Alan Modra  <amodra@gmail.com>
1413
1414         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1415         toc relative expressions as we do in print_operand_address.
1416
1417 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1418
1419         * doc/extend.texi: Follow spelling conventions.
1420         * doc/invoke.texi: Fix a typo.
1421
1422 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1423
1424         * config/hpux11.opt: New.
1425         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1426         ia64*-*-hpux*): Use hpux11.opt.
1427
1428 2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>
1429
1430         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1431         to tmake_file.
1432
1433 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1434
1435         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1436         support sites.
1437
1438 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1439
1440         * doc/install.texi (Binaries): Remove outdated reference for
1441         Motorola 68HC11/68HC12 downloads.
1442
1443 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1444
1445         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1446         Drepper's paper.
1447
1448 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1449
1450         PR bootstrap/47147
1451         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1452         used by NetBSD.
1453
1454 2011-01-28  Ahmad Sharif  <asharif@google.com>
1455
1456         * value-prof.c (check_counter): Corrected error message.
1457
1458 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1459
1460         * config/arm/arm.c (arm_legitimize_reload_address): New.
1461         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1462         arm_legitimize_reload_address.
1463         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1464
1465 2011-01-28  Ian Lance Taylor  <iant@google.com>
1466
1467         * godump.c (go_define): Ignore macros whose definitions include
1468         two adjacent operands.
1469
1470 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1471
1472         PR target/42894
1473         * varasm.c (force_const_mem): Store copy of x in desc->constant
1474         instead of x itself.
1475         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1476         itself into REG_EQUAL note.
1477
1478 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1479
1480         * config/freebsd.opt (posix, rdynamic): New Driver options.
1481
1482 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1483
1484         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1485         -Bstatic/-Bdynamic.
1486         * configure: Regenerate.
1487
1488 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1489
1490         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
1491         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
1492
1493 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
1494
1495         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
1496         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
1497         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
1498         (s390_preferred_reload_class): Make static. Change return and
1499         'rclass' argument type to reg_class_t.
1500
1501 2011-01-27  Jan Hubicka  <jh@suse.cz>
1502
1503         PR middle-end/46949
1504         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
1505         (process_function_and_variable_attributes): Check defined weakrefs.
1506
1507 2011-01-27  Martin Jambor  <mjambor@suse.cz>
1508
1509         PR tree-optimization/47228
1510         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
1511         build_ref_for_offset.
1512
1513 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1514
1515         * config/spu/spu-elf.h (ASM_SPEC): Remove.
1516
1517 2011-01-26  Mikael Pettersson <mikpe@it.uu.se>
1518
1519         PR rtl-optimization/46856
1520         * postreload.c (reload_combine_recognize_const_pattern): Do not
1521         separate cc0 setter and user on cc0 targets.
1522
1523 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
1524
1525         PR c/43082
1526         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
1527         passed a VOID_TYPE expression, immediately emit an error and
1528         return error_mark_node.
1529
1530 2011-01-26  Jeff Law  <law@redhat.com>
1531
1532         PR rtl-optimization/47464
1533         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
1534         rather than may_trap_p as needed.
1535
1536 2011-01-26  DJ Delorie  <dj@redhat.com>
1537
1538         PR rtl-optimization/46878
1539         * combine.c (insn_a_feeds_b): Check for the implicit cc0
1540         setter/user dependency as well.
1541
1542 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
1543
1544         PR rtl-optimization/44469
1545         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
1546         after removing trivially dead basic blocks.
1547
1548 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1549
1550         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
1551         * config/frv/frv.h (LINK_SPEC): Likewise.
1552         * config/i386/netware.h (LINK_SPEC): Likewise.
1553         * config/m68k/linux.h (ASM_SPEC): Likewise.
1554         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
1555         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1556         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1557         * config/sparc/linux.h (ASM_SPEC): Likewise.
1558         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1559         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1560
1561 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1562
1563         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
1564         * config/frv/frv.h (ASM_SPEC): Likewise.
1565         * config/m68k/linux.h (ASM_SPEC): Likewise.
1566         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1567         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
1568         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1569         * config/sparc/linux.h (ASM_SPEC): Likewise.
1570         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1571         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1572
1573 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1574
1575         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
1576         * config/frv/frv.h (LINK_SPEC): Likewise.
1577         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1578
1579 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
1580
1581         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
1582         * config/frv/frv.h (ASM_SPEC): Likewise.
1583         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
1584         * config/m68k/linux.h (ASM_SPEC): Likewise.
1585         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
1586         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
1587         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
1588         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
1589         * config/sparc/linux.h (ASM_SPEC): Likewise.
1590         * config/sparc/linux64.h (ASM_SPEC): Likewise.
1591         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
1592         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
1593
1594 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
1595
1596         PR target/46997
1597         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
1598         (*mux2): Ditto.
1599         (vec_extract_evenodd_help): Ditto.
1600         (vec_extract_evenv4hi): Ditto.
1601         (vec_extract_oddv4hi): Ditto.
1602         (vec_interleave_lowv2si): Ditto.
1603         (vec_interleave_highv2si): Ditto.
1604         (vec_extract_evenv2si): Ditto.
1605         (vec_extract_oddv2si: Ditto.
1606         (vec_pack_trunc_v2si): Ditto.
1607
1608 2011-01-22  Jan Hubicka  <jh@suse.cz>
1609
1610         PR target/47237
1611         * cgraph.h (cgraph_local_info): New field can_change_signature.
1612         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
1613         signature can change.
1614         (ipcp_estimate_growth): Call sequence simplify only if calle signature
1615         can change.
1616         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
1617         (cgraph_function_versioning): We can not change signature of functions
1618         that don't allow that.
1619         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
1620         (lto_input_node): Likewise.
1621         * ipa-inline.c (compute_inline_parameters): Compute
1622         local.can_change_signature.
1623         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
1624         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
1625         functions that can not change signature.
1626         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
1627         init_cumulative_args): Do not use local calling conventions
1628         for functions that can not change signature.
1629
1630 2011-01-22  Jan Hubicka  <jh@suse.cz>
1631
1632         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
1633
1634 2011-01-26  Richard Guenther  <rguenther@suse.de>
1635
1636         PR tree-optimization/47190
1637         * cgraphunit.c (process_common_attributes): New function.
1638         (process_function_and_variable_attributes): Use it.
1639
1640 2011-01-26  Richard Guenther  <rguenther@suse.de>
1641
1642         PR lto/47423
1643         * cgraphbuild.c (record_eh_tables): Record reference to personality
1644         function.
1645
1646 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
1647
1648         PR debug/45454
1649         * sel-sched.c (moveup_expr): Don't let debug insns prevent
1650         non-debug insns from moving up.
1651
1652 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1653
1654         PR target/40125
1655         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
1656         t-dlldir{,-x} fragment for build and add it to tmake_file.
1657         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
1658         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
1659         * config/i386/t-dlldir: New file.
1660         (SHLIB_DLLDIR): Define.
1661         * config/i386/t-dlldir-x: New file.
1662         (SHLIB_DLLDIR): Define.
1663         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
1664         (SHLIB_INSTALL): Use it.
1665
1666 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
1667
1668         PR target/47246
1669         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
1670         lower bound of the allowed Thumb-2 coprocessor load/store
1671         index range to -256. Add explaining comment.
1672
1673 2011-01-25  Ian Lance Taylor  <iant@google.com>
1674
1675         * godump.c (go_define): Improve lexing of macro expansion to only
1676         accept expressions which match Go spec.
1677
1678 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
1679
1680         PR c++/43601
1681         * tree.c (handle_dll_attribute): Handle it.
1682         * doc/extend.texi (@item dllexport): Mention it.
1683         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
1684
1685 2011-01-25  Ian Lance Taylor  <iant@google.com>
1686
1687         PR tree-optimization/26854
1688         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
1689         (decl_jump_unsafe): Move higher in file, with no other change.
1690         (bind): Set has_jump_unsafe_decl if appropriate.
1691         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
1692         (check_earlier_gotos): Likewise.
1693         (c_check_switch_jump_warnings): Likewise.
1694
1695 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
1696
1697         * doc/invoke.texi (Warning Options): Add missing hyphen.
1698         (-fprofile-dir): Minor grammatical fixes.
1699         (-fbranch-probabilities): Likewise.
1700
1701 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1702
1703         PR debug/45136
1704         PR debug/45130
1705         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1706         debug insns.
1707         (no_real_insns_p, schedule_block, set_priorities): Drop special
1708         treatment of boundary debug insns.
1709         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1710         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1711         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1712         (BOUNDARY_DEBUG_INSN_P): Likewise.
1713         (SCHEDULE_DEBUG_INSN_P): Likewise.
1714         * sched-rgn.c (init_ready_list): Drop special treatment of
1715         boundary debug insns.
1716         * final.c (rest_of_clean-state): Clear notes' BB.
1717
1718 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1719
1720         * Makefile.in (LAMBDA_H): Removed.
1721         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
1722         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
1723         lambda-trans.o, and tree-loop-linear.o.
1724         (lto-symtab.o): Remove dependence on LAMBDA_H.
1725         (tree-loop-linear.o): Remove rule.
1726         (lambda-mat.o): Same.
1727         (lambda-trans.o): Same.
1728         (lambda-code.o): Same.
1729         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
1730         (tree-vect-slp.o): Same.
1731         * hwint.h (gcd): Moved here.
1732         (least_common_multiple): Same.
1733         * lambda-code.c: Removed.
1734         * lambda-mat.c: Removed.
1735         * lambda-trans.c: Removed.
1736         * lambda.h: Removed.
1737         * tree-loop-linear.c: Removed.
1738         * lto-symtab.c: Do not include lambda.h.
1739         * omega.c (gcd): Removed.
1740         * passes.c (init_optimization_passes): Remove pass_linear_transform.
1741         * tree-data-ref.c (print_lambda_vector): Moved here.
1742         (lambda_vector_copy): Same.
1743         (lambda_matrix_copy): Same.
1744         (lambda_matrix_id): Same.
1745         (lambda_vector_first_nz): Same.
1746         (lambda_matrix_row_add): Same.
1747         (lambda_matrix_row_exchange): Same.
1748         (lambda_vector_mult_const): Same.
1749         (lambda_vector_negate): Same.
1750         (lambda_matrix_row_negate): Same.
1751         (lambda_vector_equal): Same.
1752         (lambda_matrix_right_hermite): Same.
1753         * tree-data-ref.h: Do not include lambda.h.
1754         (lambda_vector): Moved here.
1755         (lambda_matrix): Same.
1756         (dependence_level): Same.
1757         (lambda_transform_legal_p): Removed declaration.
1758         (lambda_collect_parameters): Same.
1759         (lambda_compute_access_matrices): Same.
1760         (lambda_vector_gcd): Same.
1761         (lambda_vector_new): Same.
1762         (lambda_vector_clear): Same.
1763         (lambda_vector_lexico_pos): Same.
1764         (lambda_vector_zerop): Same.
1765         (lambda_matrix_new): Same.
1766         * tree-flow.h (least_common_multiple): Removed declaration.
1767         * tree-parloops.c (lambda_trans_matrix): Moved here.
1768         (LTM_MATRIX): Same.
1769         (LTM_ROWSIZE): Same.
1770         (LTM_COLSIZE): Same.
1771         (LTM_DENOMINATOR): Same.
1772         (lambda_trans_matrix_new): Same.
1773         (lambda_matrix_vector_mult): Same.
1774         (lambda_transform_legal_p): Same.
1775         * tree-pass.h (pass_linear_transform): Removed declaration.
1776         * tree-ssa-loop.c (tree_linear_transform): Removed.
1777         (gate_tree_linear_transform): Removed.
1778         (pass_linear_transform): Removed.
1779         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
1780         flag_loop_interchange.
1781
1782 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1783
1784         PR tree-optimization/47265
1785         PR tree-optimization/47443
1786         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
1787         if name still has some uses.
1788
1789 2011-01-25  Martin Jambor  <mjambor@suse.cz>
1790
1791         PR tree-optimization/47382
1792         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
1793         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
1794
1795 2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>
1796
1797         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
1798         sjlj_except_unwind_info.
1799
1800 2011-01-25  Richard Guenther  <rguenther@suse.de>
1801
1802         PR tree-optimization/47426
1803         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
1804         visible functions results escape.
1805
1806 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR target/45701
1809         * config/arm/arm.c (any_sibcall_uses_r3): New function.
1810         (arm_get_frame_offsets): Use it.
1811
1812 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1813             Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR tree-optimization/47271
1816         * tree-if-conv.c (bb_postdominates_preds): New.
1817         (if_convertible_bb_p): Call bb_postdominates_preds.
1818         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
1819         (predicate_scalar_phi): Call bb_postdominates_preds.
1820
1821 2011-01-25  Nick Clifton  <nickc@redhat.com>
1822
1823         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
1824         * config/rx/rx.c (rx_function_value): Likewise.
1825         (rx_promote_function_mode): Likewise.
1826         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
1827         in order to make it legitimate.
1828         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
1829         make sure that the first operand is the same as the result register.
1830         (addsi3_unspec): Delete.
1831         (subdi3): Do not accept immediate operands.
1832         (subdi3_internal): Likewise.
1833
1834 2011-01-25  Jeff Law  <law@redhat.com>
1835
1836         PR rtl-optimization/37273
1837         * ira-costs.c (scan_one_insn): Detect constants living in memory and
1838         handle them like argument loads from stack slots.  Do not double
1839         count memory for memory constants and argument loads from stack slots.
1840
1841 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
1842
1843         PR tree-optimization/47427
1844         PR tree-optimization/47428
1845         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1846         coalesce if the new root var would be TREE_READONLY.
1847
1848 2011-01-25  Richard Guenther  <rguenther@suse.de>
1849
1850         PR middle-end/47414
1851         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
1852         correct type for TBAA.
1853
1854 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
1857         (close_phi_written_to_memory): Call for_each_index with
1858         dr_indices_valid_in_loop.
1859
1860 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1861
1862         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
1863         when it is initialized.
1864
1865 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1866
1867         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
1868         call to graphite_find_data_references_in_stmt.
1869         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
1870         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
1871         call to graphite_find_data_references_in_stmt.
1872         (analyze_drs_in_stmts): Same.
1873         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
1874         in which the scalar analysis of indices is performed.
1875         (create_data_ref): Same.  Update call to dr_analyze_indices.
1876         (find_data_references_in_stmt): Update call to create_data_ref.
1877         (graphite_find_data_references_in_stmt): Same.
1878         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
1879         declaration.
1880         (create_data_ref): Same.
1881         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
1882         call to create_data_ref.
1883
1884 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1885
1886         * graphite-sese-to-poly.c (build_poly_scop): Move
1887         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
1888
1889 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1890
1891         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
1892         VAR_DECL, PARM_DECL, and RESULT_DECL.
1893
1894 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1895
1896         * graphite-dependences.c (reduction_dr_1): Allow several reductions
1897         in a reduction PBB.
1898         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
1899         that have already been marked as PBB_IS_REDUCTION.
1900
1901 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1902
1903         * graphite-scop-detection.c (same_close_phi_node): New.
1904         (remove_duplicate_close_phi): New.
1905         (make_close_phi_nodes_unique): New.
1906         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
1907
1908 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1909
1910         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
1911         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
1912         of both data references to be the same.
1913
1914 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1915
1916         * graphite-dependences.c (build_lexicographical_constraint): Remove
1917         the gdim parameter.
1918         (build_lexicographical_constraint): Adjust call to
1919         ppl_powerset_is_empty.
1920         (dependence_polyhedron): Same.
1921         (graphite_legal_transform_dr): Same.
1922         (graphite_carried_dependence_level_k): Same.
1923         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
1924         parameter.
1925         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
1926
1927 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1928
1929         * graphite-sese-to-poly.c
1930         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
1931         (close_phi_written_to_memory): New.
1932         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
1933         and unshare_expr.
1934
1935 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1936
1937         * doc/install.texi: Update the expected version number of PPL to 0.11.
1938         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
1939         #if PPL_VERSION_MINOR < 11.
1940
1941 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1942
1943         * graphite-dependences.c: Include graphite-cloog-util.h.
1944         (new_poly_ddr): Inlined into dependence_polyhedron.
1945         (free_poly_ddr): Moved close by new_poly_ddr.
1946         (dependence_polyhedron_1): Renamed dependence_polyhedron.
1947         Early return NULL when ppl_powerset_is_empty returns true.
1948         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
1949         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
1950         (graphite_legal_transform_dr): Call new_poly_ddr.
1951         (graphite_carried_dependence_level_k): Same.
1952         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
1953         (dot_transformed_deps_stmt_1): Removed.
1954         (dot_deps_stmt_1): Call dot_deps_stmt_2.
1955         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
1956         (dot_deps_1): Call dot_deps_2.
1957         * Makefile.in (graphite-dependences.o): Add missing dependence on
1958         graphite-cloog-util.h.
1959
1960 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1961
1962         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
1963         (build_lexicographical_constraint): Same.
1964         (dependence_polyhedron_1): Same.
1965         (graphite_legal_transform_dr): Same.
1966         (graphite_carried_dependence_level_k): Same.
1967         * graphite-ppl.c (ppl_powerset_is_empty): New.
1968         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
1969         * tree-data-ref.c (dump_data_reference): Print the basic block index.
1970
1971 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1972
1973         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
1974         the "a followed by b" relation and document it.
1975
1976 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1977
1978         * graphite-dependences.c (build_lexicographical_constraint): Stop the
1979         iteration when the bag of constraints is empty.
1980
1981 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1982
1983         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
1984
1985 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
1988         nest and two loop depths as parameters.
1989         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
1990         lst_perfect_nestify.
1991
1992 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1993
1994         * graphite-dependences.c (print_pddr): Call
1995         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
1996
1997 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
1998
1999         * graphite-ppl.c (debug_gmp_value): New.
2000         * graphite-ppl.h (debug_gmp_value): Declared.
2001
2002 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2003
2004         * doc/install.texi: Document availability of cloog-0.16.
2005
2006 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2007
2008         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2009         invalid postdominance info.
2010
2011 2011-01-24  Jan Hubicka  <jh@suse.cz>
2012
2013         PR c/21659
2014         * doc/extend.texi (weak pragma): Drop claim that it must
2015         appear before definition.
2016         * varasm.c (merge_weak, declare_weak): Only sanity check
2017         that DECL is not output at a time it is declared weak.
2018
2019 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2020
2021         * machmode.def: Fixed comments.
2022
2023 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2024
2025         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2026
2027 2011-01-24  Paul Koning  <ni1d@arrl.net>
2028
2029         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2030         WORDS_BIG_ENDIAN.
2031
2032 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2033
2034         PR target/46519
2035         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2036         (block_info): Add scanned and prev.
2037         (move_or_delete_vzeroupper_2): Return if the basic block
2038         has been scanned and the upper 128bit state is unchanged
2039         from the last scan.
2040         (move_or_delete_vzeroupper_1): Return true if the exit
2041         state is changed.
2042         (move_or_delete_vzeroupper): Visit basic blocks using the
2043         work-list based algorithm based on vt_find_locations in
2044         var-tracking.c.
2045
2046         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2047
2048 2011-01-24  Nick Clifton  <nickc@redhat.com>
2049
2050         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2051         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2052         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2053         then define __v850e1__.
2054         * doc/invoke.texi: Document -mv850es.
2055
2056 2011-01-24  Richard Henderson  <rth@redhat.com>
2057
2058         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2059         compound unordered comparisons.
2060         * config/rx/rx.c (rx_split_fp_compare): Remove.
2061         * config/rx/rx-protos.h: Update.
2062         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2063         (cbranchsf4): Don't call rx_split_fp_compare.
2064         (*cbranchsf4): Use rx_split_cbranch.
2065         (*cmpsf): Don't accept "i" constraint.
2066         (*conditional_branch): Only valid after reload.
2067         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2068
2069 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2070
2071         PR target/47385
2072         * config/rs6000/altivec.md (vector constant splitters): Add
2073         support for creating vector single precision constants if -mvsx is
2074         used and we would create the constant using Altivec primitives.
2075
2076 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2077             Richard Sandiford  <rdsandiford@googlemail.com>
2078
2079         PR rtl-optimization/47166
2080         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2081         mechanism for PRE_MODIFY and POST_MODIFY.
2082         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2083         reloadreg.
2084
2085 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2086
2087         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2088
2089 2011-01-22  Jan Hubicka  <jh@suse.cz>
2090
2091         PR lto/47333
2092         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2093
2094 2011-01-22  Jan Hubicka  <jh@suse.cz>
2095
2096         PR tree-optimization/43884
2097         PR lto/44334
2098         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2099         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2100
2101 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2102
2103         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2104         * config/s390/s390.c (s390_register_move_cost,
2105         s390_memory_move_cost): New.
2106         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2107
2108 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2109
2110         PR middle-end/47401
2111         * except.c (sjlj_assign_call_site_values): Move setting the
2112         crtl->uses_eh_lsda flag to ...
2113         (sjlj_mark_call_sites): ... here.
2114         (sjlj_emit_function_enter): Support NULL dispatch label.
2115         (sjlj_build_landing_pads): In a function with no landing pads
2116         that still has must-not-throw regions, generate code to register
2117         a personality function with empty LSDA.
2118
2119 2011-01-21  Richard Henderson  <rth@redhat.com>
2120
2121         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2122
2123         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2124
2125         * compare-elim.c: New file.
2126         * Makefile.in (OBJS-common): Add it.
2127         (compare-elim.o): New.
2128         * common.opt (fcompare-elim): New.
2129         * opts.c (default_options_table): Add OPT_fcompare_elim.
2130         * tree-pass.h (pass_compare_elim_after_reload): New.
2131         * passes.c (init_optimization_passes): Add it.
2132         * recog.h: Protect against re-inclusion.
2133         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2134         * doc/invoke.texi (-fcompare-elim): Document it.
2135         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2136         * doc/tm.texi: Rebuild.
2137
2138 2011-01-22  Nick Clifton  <nickc@redhat.com>
2139
2140         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2141         rx_split_fp_compare.
2142
2143 2011-01-22  Nick Clifton  <nickc@redhat.com>
2144
2145         * config/rx/rx.md (UNSPEC_CONST): New.
2146         (deallocate_and_return): Wrap the amount popped off the stack in
2147         an UNSPEC_CONST in order to stop it being rejected by
2148         -mmax-constant-size.
2149         (pop_and_return): Add a "(return)" rtx.
2150         (call): Drop the immediate operand.
2151         (call_internal): Likewise.
2152         (call_value): Likewise.
2153         (call_value_internal): Likewise.
2154         (sibcall_internal): Likewise.
2155         (sibcall_value_internal): Likewise.
2156         (sibcall): Likewise.  Generate an explicit call using
2157         sibcall_internal.
2158         (sibcall_value): Likewise.
2159         (mov<>): FAIL if a constant operand is not legitimate.
2160         (addsi3_unpsec): New pattern.
2161
2162         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2163         (ok_for_max_constant): New function.
2164         (gen_safe_add): New function.
2165         (rx_expand_prologue): Use gen_safe_add.
2166         (rx_expand_epilogue): Likewise.
2167         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2168         UNSPEC CONSTs.
2169
2170 2011-01-21  Jeff Law  <law@redhat.com>
2171
2172         PR tree-optimization/47053
2173         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2174         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2175         statements are deleted.
2176         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2177         is nonempty, then purge dead edges and cleanup the CFG.
2178
2179 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2180
2181         PR debug/47402
2182         Temporarily revert:
2183         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2184         PR debug/47106
2185         * tree-dfa.c (create_var_ann): Mark variable as used.
2186
2187 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2188
2189         PR middle-end/45566
2190         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2191         notes from other section in hot/cold partitioning even if
2192         last_action is -3.  Increment call_site_base.
2193
2194         PR rtl-optimization/47366
2195         * fwprop.c (forward_propagate_into): Return bool.  If
2196         any changes are made, -fnon-call-exceptions is used and
2197         REG_EH_REGION note is present, call purge_dead_edges
2198         and return true if it purged anything.
2199         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2200         any EH edges were purged.
2201
2202 2011-01-21  Jeff Law  <law@redhat.com>
2203
2204         PR rtl-optimization/41619
2205         * caller-save.c (setup_save_areas): Break out code to determine
2206         which hard regs are live across calls by examining the reload chains
2207         so that it is always used.
2208         Eliminate code which checked REG_N_CALLS_CROSSED.
2209
2210 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2211
2212         PR tree-optimization/47355
2213         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2214         NOP has non-debug uses beyond PHIs in new_bb.
2215
2216 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2217
2218         PR debug/47106
2219         * cfgexpand.c (account_used_vars_for_block): Only account vars
2220         that are annotated as used.
2221         (estimated_stack_frame_size): Don't set TREE_USED.
2222         * tree-dfa.c (create_var_ann): Mark variable as used.
2223
2224 2011-01-21  Richard Guenther  <rguenther@suse.de>
2225
2226         PR middle-end/47395
2227         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2228
2229 2011-01-21  Richard Guenther  <rguenther@suse.de>
2230
2231         PR tree-optimization/47365
2232         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2233         (vn_reference_lookup_pieces): Adjust.
2234         (vn_reference_lookup): Likewise.
2235         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2236         (vn_reference_lookup_3): Only look through kills if in
2237         VN_WALKREWRITE mode.
2238         (vn_reference_lookup_pieces): Adjust.
2239         (vn_reference_lookup): Likewise.
2240         (visit_reference_op_load): Likewise.
2241         (visit_reference_op_store): Likewise.
2242         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2243         (compute_avail): Likewise.
2244         (eliminate): Likewise.
2245
2246 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2247
2248         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2249         DECL_IGNORED_P non-reg vars if they are used.
2250
2251         PR tree-optimization/47391
2252         * varpool.c (const_value_known_p): Return false if
2253         decl is volatile.
2254
2255 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2256
2257         PR bootstrap/47215
2258         * config/i386/i386.c (ix86_local_alignment): Handle
2259         case for va_list_type_node is nil.
2260         (ix86_canonical_va_list_type): Likewise.
2261
2262 2011-01-21  Alan Modra  <amodra@gmail.com>
2263
2264         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2265         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2266
2267 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2268
2269         * config/arm/arm.md (define_attr type): Rename f_load
2270         and f_store to f_fpa_load and f_fpa_store. Update.
2271         (write_conflict): Deal with rename fallout.
2272         (*push_fp_multi): Likewise.
2273         * config/arm/fpa.md (f_load): Use f_fpa_load.
2274         (f_store): Use f_fpa_store.
2275         (*movsf_fpa): Likewise.
2276         (*movdf_fpa): Likewise.
2277         (*movxf_fpa): Likewise.
2278         (*thumb2_movsf_fpa): Likewise.
2279         (*thumb2_movdf_fpa): Likewise.
2280         (*thumb2_movxf_fpa): Likewise.
2281         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2282         f_loadd and f_stored.
2283         (*thumb2_movdi_vfp): Likewise.
2284         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2285         (*thumb2_movsi_vfp): Likewise.
2286         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2287         Use f_loads instead of f_load.
2288         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2289
2290 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2291
2292         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2293         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2294         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2295         (xtensa_mode_dependent_address_p): New function.
2296         (constantpool_address_p): Make static. Change return type to bool.
2297         Change argument type to const_rtx. Use CONST_INT_P predicate.
2298
2299 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2300
2301         PR debug/46583
2302         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2303
2304 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2305
2306         PR debug/47283
2307         * cfgexpand.c (expand_debug_expr): Instead of generating
2308         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2309         etc. handling.
2310
2311 2011-01-20  Richard Guenther  <rguenther@suse.de>
2312
2313         PR middle-end/47370
2314         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2315         the pointer operand of MEM_REFs.
2316
2317 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2318
2319         PR tree-optimization/46130
2320         * ipa-split.c (consider_split): If return_bb contains non-virtual
2321         PHIs other than for retval or if split_function would not adjust it,
2322         refuse to split.
2323
2324 2011-01-20  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/47167
2327         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2328         Revert previous change, only avoid enumeral type changes.
2329
2330 2011-01-19  Mike Stump  <mikestump@comcast.net>
2331
2332         * doc/tm.texi.in (BRANCH_COST): Englishify.
2333         * doc/tm.texi (BRANCH_COST): Likewise.
2334
2335 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2336
2337         PR c++/47291
2338         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2339         (gen_scheduled_generic_parms_dies): New functions.
2340         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2341         generation for the end of CU compilation.
2342         (dwarf2out_finish): Generate template parameters DIEs here.
2343
2344 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2345
2346         PR debug/46240
2347         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2348         debug bind stmt on merge edges.
2349
2350 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2351
2352         PR debug/47079
2353         PR debug/46724
2354         * function.c (instantiate_expr): Instantiate incoming rtl of
2355         implicit arguments, and recurse on VALUE_EXPRs.
2356         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2357         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2358
2359 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2360
2361         * c-parser.c (c_parser_for_statement): Initialize
2362         collection_expression.
2363
2364 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2365
2366         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2367
2368 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2369
2370         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2371         (LINK_SHLIB_SPEC): Don't use %(link_path).
2372         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2373
2374 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2375
2376         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2377         (NO_SHARED_LIB_SUPPORT): Remove.
2378         (LINK_SHLIB_SPEC): Remove one conditional definition.
2379
2380 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2381
2382         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2383         %{call_shared}.
2384         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2385         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2386         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2387         %{call_shared} and conditionals on these options not being passed.
2388         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2389         %{call_shared}.
2390
2391 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2392
2393         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2394         simplify.
2395
2396         * ipa-split.c: Spelling fixes.
2397
2398 2011-01-19  Richard Henderson  <rth@redhat.com>
2399
2400         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2401         (*mulsi3): Likewise.
2402
2403         * longlong.h [__mn10300__] (count_leading_zeros): New.
2404         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2405         [__mn10300__] (add_ssaaaa, subddmmss): New.
2406         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2407         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2408
2409 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2410
2411         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2412
2413 2011-01-19  Richard Henderson  <rth@redhat.com>
2414
2415         * config/mn10300/mn10300.md (addsi3_flags): New.
2416         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2417         (subsi3_flags, subc_internal, subdi3): New.
2418         (subdi3_internal, *subdi3_degenerate): New.
2419         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2420
2421         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2422         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2423         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2424         * config/mn10300/mn10300-protos.h: Update.
2425         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2426         (return_ret): Likewise.  Rename from return_internal_regs.
2427         (return_internal): Remove.
2428
2429         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2430         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2431         (mn10300_legitimate_constant_p): Likewise.
2432         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2433         (mn10300_frame_size): New.
2434         (mn10300_expand_prologue): Use it.
2435         (mn10300_expand_epilogue): Likewise.
2436         (mn10300_initial_offset): Likewise.
2437         * config/mn10300/mn10300-protos.h: Update.
2438         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2439         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2440         (prologue, epilogue, return_internal): Tidy output code.
2441         (mn10300_store_multiple_operation, return): Likewise.
2442         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2443         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2444         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2445         (load_pic, am33_load_pic): New.
2446         (mn10300_load_pic0, mn10300_load_pic1): New.
2447
2448         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2449         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2450         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2451         (cc_flags_for_mode, cc_flags_for_code): New.
2452         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2453         overflow flag is not valid.  Validate that the flags we need
2454         for the comparison are valid.
2455         (mn10300_output_cmp): Remove.
2456         (mn10300_output_add): New.
2457         (mn10300_select_cc_mode): Use cc_flags_for_code.
2458         (mn10300_split_cbranch): New.
2459         (mn10300_match_ccmode): New.
2460         (mn10300_split_and_operand_count): New.
2461         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2462         to the function.
2463         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2464         (addsi3): ... here.  Use mn10300_output_add.
2465         (*addsi3_flags): New.
2466         (*am33_subsi3, *mn10300_subsi3): Merge...
2467         (subsi3): ... here.  Use attribute isa.
2468         (*subsi3_flags): New.
2469         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2470         when possible.
2471         (*am33_andsi3, *mn10300_andsi3): Merge...
2472         (andsi3): ... here.
2473         (*andsi3_flags): New.
2474         (andsi3 splitters): New.
2475         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2476         (iorsi3): ... here.
2477         (*iorsi3_flags): New.
2478         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2479         (xorsi3): ... here.
2480         (*xorsi3_flags): New.
2481         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2482         (one_cmplsi2): ... here.
2483         (*one_cmplsi2_flags): New.
2484         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2485         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2486         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2487         use matching constraints to eliminate a self-comparison.
2488         (*integer_conditional_branch): Rename from integer_conditional_branch.
2489         Use int_mode_flags to match CC_REG.
2490         (*cbranchsi4_btst, *btstsi): New.
2491         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
2492         mn10300_split_cbranch.
2493         (*am33_cmpsf): Rename from am33_cmpsf.
2494         (*float_conditional_branch): Rename from float_conditional_branch.
2495         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
2496         (zero_extendqisi2): ... here.
2497         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
2498         (zero_extendhisi2): ... here.
2499         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
2500         (extendqisi2): ... here.
2501         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
2502         (extendhisi2): ... here.
2503         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
2504         (ashlsi3): ... here.
2505         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
2506         (lshrsi3): ... here.
2507         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
2508         (ashrsi3): ... here.
2509         (consecutive add peephole): Remove.
2510         * config/mn10300/predicates.md (label_ref_operand): New.
2511         (int_mode_flags): New.
2512         (CCZN_comparison_operator): New.
2513
2514         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
2515         (throughput_42_latency_43): New reservation.
2516         (mulsidi3, umulsidi3): New expanders.
2517         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
2518         the MDR register to allocation; separately allocate the low and
2519         high parts of the DImode result.
2520         (umulsidi3_internal): Similarly.
2521         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
2522         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
2523         (udivsi3, umodsi3): Remove.
2524         (udivmodsi4, divmodsi4): New expanders.
2525         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
2526         (*divmodsi4): Simiarly.
2527         (ext_internal): New.
2528
2529         * config/mn10300/constraints.md ("z"): New constraint.
2530         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
2531         (FIXED_REGISTERS): Don't fix MDR.
2532         (CALL_USED_REGSITERS): Reformat nicely.
2533         (REG_ALLOC_ORDER): Add MDR.
2534         (enum regclass): Add MDR_REGS.
2535         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
2536         (IRA_COVER_CLASSES): Add MDR_REGS.
2537         (REGNO_REG_CLASS): Handle MDR_REG.
2538         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
2539         (mn10300_register_move_cost): Likewise.
2540         * config/mn10300/mn10300.md (MDR_REG): New.
2541         (*movsi_internal): Handle moves to/from MDR_REGS.
2542
2543         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
2544         POST_MODIFY.
2545         (mn10300_secondary_reload): Tidy combination reload classes.
2546         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
2547         addresses for AM33.  Allow symbolic offsets for reg+imm.
2548         (mn10300_regno_in_class_p): New.
2549         (mn10300_legitimize_reload_address): New.
2550         * config/mn10300/mn10300.h (enum reg_class): Remove
2551         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
2552         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
2553         SP_OR_GENERAL_REGS.
2554         (REG_CLASS_NAMES): Update to match.
2555         (REG_CLASS_CONTENTS): Likewise.
2556         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
2557         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
2558         (REGNO_IN_RANGE_P): Remove.
2559         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
2560         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
2561         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
2562         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
2563         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
2564         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
2565         (REGNO_GENERAL_P): New.
2566         (HAVE_POST_MODIFY_DISP): New.
2567         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
2568         (LEGITIMIZE_RELOAD_ADDRESS): New.
2569         * config/mn10300/mn10300-protos.h: Update.
2570
2571         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
2572         DATA_REGS for AM33 stack-pointer destination.
2573         (mn10300_preferred_output_reload_class): Likewise.
2574         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
2575         into a form appropriate for ...
2576         (TARGET_SECONDARY_RELOAD): New.
2577         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
2578         * config/mn10300/mn10300-protos.h: Update.
2579         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
2580         reload_insi; use the "A" constraint for the scratch; handle AM33
2581         moves of sp to non-address registers.
2582
2583         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
2584         (*movqi_internal): ... here.
2585         (*am33_movhi, *mn10300_movhi): Merge into...
2586         (*movhi_internal): ... here.
2587         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
2588         as the source/destination of moves from/to SP.
2589         (movsf): Only allow for AM33-2.
2590         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
2591         any integer constant constraint.  Only allow for AM33-2.  Tidy
2592         all of the alternative outputs.
2593         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2594         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
2595         for MN103.
2596         (udivsi3, umodsi3): New patterns for MN103 only.
2597
2598 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
2599
2600         * doc/tm.texi.in: Spell out that a lack of register class unions
2601         can lead to ICEs.
2602         * doc/tm.texi: Regenerate.
2603
2604 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2605
2606         PR rtl-optimization/47337
2607         * dce.c (check_argument_store): New function.
2608         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
2609
2610         PR tree-optimization/47290
2611         * tree-eh.c (infinite_empty_loop_p): New function.
2612         (cleanup_empty_eh): Use it.
2613
2614 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
2615
2616         PR target/46997
2617         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
2618         (a64_expand_widen_sum): Ditto.
2619         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
2620         (vec_extract_evenodd_help): Ditto.
2621         (vec_extract_evenv4hi): Ditto.
2622         (vec_extract_oddv4hi): Ditto.
2623         (vec_extract_evenv2si): Ditto.
2624         (vec_extract_oddv2si): Ditto.
2625         (vec_extract_evenv2sf): Ditto.
2626         (vec_extract_oddv2sf): Ditto.
2627         (vec_pack_trunc_v4hi: Ditto.
2628         (vec_pack_trunc_v2si): Ditto.
2629         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
2630         (vec_interleave_highv8qi): Ditto.
2631         (mix1_r): Ditto.
2632         (vec_extract_oddv8qi): Ditto.
2633         (vec_interleave_lowv4hi): Ditto.
2634         (vec_interleave_highv4hi): Ditto.
2635         (vec_interleave_lowv2si): Ditto.
2636         (vec_interleave_highv2si): Ditto.
2637
2638 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2639
2640         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
2641         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
2642         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
2643         (pa_c_mode_for_suffix): New.
2644         (TARGET_EXPAND_BUILTIN): Define.
2645         (TARGET_C_MODE_FOR_SUFFIX): Define.
2646         (pa_builtins): Define.
2647         (pa_init_builtins): Register __float128 type and init new support
2648         builtins.
2649         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
2650         * config/pa/quadlib.c (_U_Qfcopysign): New.
2651
2652 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2653
2654         PR middle-end/46894
2655         * explow.c (allocate_dynamic_stack_space): Do not assume more than
2656         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
2657         are defined.
2658
2659 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2660
2661         PR tree-optimization/47179
2662         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
2663         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
2664
2665 2011-01-18  Richard Guenther  <rguenther@suse.de>
2666
2667         PR rtl-optimization/47216
2668         * emit-rtl.c: Include tree-flow.h.
2669         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
2670         of replicating it with different semantics.
2671         * Makefile.in (emit-rtl.o): Adjust.
2672
2673 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2674
2675         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
2676         (cortex_a9_dp): Handle neon types correctly.
2677
2678 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
2679
2680         PR rtl-optimization/47299
2681         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
2682         subtarget.  Use normal multiplication if both operands are constants.
2683         * expmed.c (expand_widening_mult): Don't try to optimize constant
2684         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
2685         before using it.
2686
2687 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2688
2689         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
2690         spacing after 'e.g.', typos, comma, hyphenation.
2691
2692 2011-01-17  Richard Henderson  <rth@redhat.com>
2693
2694         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
2695         (rx_restricted_mem_operand): New.
2696         (rx_shift_operand): Use register_operand.
2697         (rx_source_operand, rx_compare_operand): Likewise.
2698         * config/rx/rx.md (addsi3_flags): New expander.
2699         (adddi3): Rewrite as expander.
2700         (adc_internal, *adc_flags, adddi3_internal): New patterns.
2701         (subsi3_flags): New expander.
2702         (subdi3): Rewrite as expander.
2703         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
2704
2705         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
2706         (rx_init_builtins): Remove sat builtin.
2707         (rx_expand_builtin): Likewise.
2708         * config/rx/rx.md (ssaddsi3): New.
2709         (*sat): Rename from sat.  Represent the CC_REG input.
2710
2711         * config/rx/predicates.md (rshift_operator): New.
2712         * config/rx/rx.c (rx_expand_insv): Remove.
2713         * config/rx/rx-protos.h: Update.
2714         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
2715         operand to the canonical position.
2716         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
2717         (*bitclr, *bitclr_in_memory): Similarly.
2718         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
2719         (insv): Retain the zero_extract in the expansion.
2720
2721         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
2722         (bswaphi2, bitinvert, revw): Likewise.
2723
2724         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
2725         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
2726         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
2727         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
2728         (bitset, bitset_in_memory): Likewise.
2729         (bitinvert, bitinvert_in_memory): Likewise.
2730         (bitclr, bitclr_in_memory): Likewise.
2731         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
2732         (rx_strend, rx_cmpstrn): Likewise.
2733         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
2734         (bitop peep2 patterns): Remove.
2735
2736         * config/rx/rx.c (rx_match_ccmode): New.
2737         * config/rx/rx-protos.h: Update.
2738         * config/rx/rx.md (abssi2): Clobber, don't set flags.
2739         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
2740         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
2741         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
2742         (fix_truncsfsi2, floatsisf2): Likewise.
2743         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
2744         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
2745         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
2746         (*subsi3_flags, *xorsi3_flags): New.
2747
2748         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
2749
2750         * config/rx/rx.c (rx_print_operand): Remove workaround for
2751         unsplit comparison operations.
2752
2753         * config/rx/rx.md (movsicc): Split after reload.
2754         (*movsicc): Merge *movsieq and *movsine via match_operator.
2755         (*stcc): New pattern.
2756
2757         * config/rx/rx.c (rx_float_compare_mode): Remove.
2758         * config/rx/rx.h (rx_float_compare_mode): Remove.
2759         * config/rx/rx.md (cstoresi4): Split after reload.
2760         (*sccc): New pattern.
2761
2762         * config/rx/predicates.md (label_ref_operand): New.
2763         (rx_z_comparison_operator): New.
2764         (rx_zs_comparison_operator): New.
2765         (rx_fp_comparison_operator): New.
2766         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
2767         Validate that the flags are set properly for the comparison.
2768         (rx_gen_cond_branch_template): Remove.
2769         (rx_cc_modes_compatible): Remove.
2770         (mode_from_flags): New.
2771         (flags_from_code): Rename from flags_needed_for_conditional.
2772         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
2773         (rx_select_cc_mode): Likewise.
2774         (rx_split_fp_compare): New.
2775         (rx_split_cbranch): New.
2776         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
2777         (*cbranchsi4): Use match_operator and rx_split_cbranch.
2778         (*cbranchsf4): Similarly.
2779         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
2780         match_operator and rx_split_cbranch.
2781         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
2782         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
2783         (*cmpsi): Rename from cmpsi.
2784         (*tstsi): Rename from tstsi.
2785         (*cmpsf): Rename from cmpsf; use CC_Fmode.
2786         (*conditional_branch): Rename from conditional_branch.
2787         (*reveresed_conditional_branch): Remove.
2788         (b<code>): Remove expander.
2789         * config/rx/rx-protos.h: Update.
2790
2791         * config/rx/rx.c (rx_compare_redundant): Remove.
2792         * config/rx/rx.md (cmpsi): Don't use it.
2793         * config/rx/rx-protos.h: Update.
2794
2795         * config/rx/rx-modes.def (CC_F): New mode.
2796         * config/rx/rx.c (rx_select_cc_mode): New.
2797         * config/rx/rx.h (SELECT_CC_MODE): Use it.
2798         * config/rx/rx-protos.h: Update.
2799
2800 2011-01-17  Richard Henderson  <rth@redhat.com>
2801
2802         * except.c (dump_eh_tree): Fix stray ; after for statement.
2803
2804 2011-01-17  Richard Guenther  <rguenther@suse.de>
2805
2806         PR tree-optimization/47313
2807         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
2808         handling before copying the body.  Properly deal with
2809         by-reference result in SSA form.
2810
2811 2011-01-17  Ian Lance Taylor  <iant@google.com>
2812
2813         PR target/47219
2814         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
2815         (struct_value_alias_set): Don't define.
2816         (sparc_option_override): Don't set sparc_sr_alias_set and
2817         struct_value_alias_set.
2818         (save_or_restore_regs): Use gen_frame_mem rather than calling
2819         set_mem_alias_set.
2820         (sparc_struct_value_rtx): Likewise.
2821
2822 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
2823
2824         PR target/47318
2825         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
2826         __m128i.
2827         (_mm_maskstore_pd): Likewise.
2828         (_mm_maskload_ps): Likewise.
2829         (_mm_maskstore_ps): Likewise.
2830         (_mm256_maskload_pd): Change mask to __m256i.
2831         (_mm256_maskstore_pd): Likewise.
2832         (_mm256_maskload_ps): Likewise.
2833         (_mm256_maskstore_ps): Likewise.
2834
2835         * config/i386/i386-builtin-types.def: Updated.
2836         (ix86_expand_special_args_builtin): Likewise.
2837
2838         * config/i386/i386.c (bdesc_special_args): Update
2839         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
2840         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
2841         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
2842         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
2843
2844         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
2845         Use <avxpermvecmode> on mask register.
2846         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
2847
2848 2011-01-17  Olivier Hainque  <hainque@adacore.com>
2849             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2850             Eric Botcazou  <ebotcazou@adacore.com>
2851
2852         PR target/46655
2853         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
2854         if <= USHRT_MAX in 32-bit mode.
2855
2856 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2857
2858         * doc/install.texi (Configuration, Specific): Wrap long
2859         lines in examples.  Allow line wrapping in long options
2860         and URLs where beneficial for PDF output.
2861
2862 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
2863
2864         * config/mips/mips.c (mips_classify_symbol): Don't return
2865         SYMBOL_PC_RELATIVE for nonlocal labels.
2866
2867 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
2868
2869         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
2870
2871 2011-01-15  Jan Hubicka  <jh@suse.cz>
2872
2873         PR tree-optimization/47276
2874         * ipa.c (function_and_variable_visibility): Do not try to mark alias
2875         declarations as needed.
2876
2877 2011-01-15  Martin Jambor  <mjambor@suse.cz>
2878
2879         * common.opt (fdevirtualize): New flag.
2880         * doc/invoke.texi (Option Summary): Document it.
2881         * opts.c (default_options_table): Add devirtualize flag.
2882         * ipa-prop.c (detect_type_change): Return immediately if
2883         devirtualize flag is not set.
2884         (detect_type_change_ssa): Likewise.
2885         (compute_known_type_jump_func): Likewise.
2886         (ipa_analyze_virtual_call_uses): Likewise.
2887
2888 2011-01-14  Martin Jambor  <mjambor@suse.cz>
2889
2890         PR tree-optimization/45934
2891         PR tree-optimization/46302
2892         * ipa-prop.c (type_change_info): New type.
2893         (stmt_may_be_vtbl_ptr_store): New function.
2894         (check_stmt_for_type_change): Likewise.
2895         (detect_type_change): Likewise.
2896         (detect_type_change_ssa): Likewise.
2897         (compute_complex_assign_jump_func): Check for dynamic type change.
2898         (compute_complex_ancestor_jump_func): Likewise.
2899         (compute_known_type_jump_func): Likewise.
2900         (compute_scalar_jump_functions): Likewise.
2901         (ipa_analyze_virtual_call_uses): Likewise.
2902         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
2903
2904 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2905
2906         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
2907         * config/i386/i386.opt (msse5): New Alias.
2908
2909 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2910
2911         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
2912         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2913         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2914         * config/sparc/sparc.h (CC1_SPEC): Likewise.
2915
2916 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2917
2918         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
2919         -mcpu options.
2920         * config/sparc/linux64.h (CC1_SPEC): Likewise.
2921         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
2922         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
2923         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
2924         Likewise.
2925         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
2926
2927 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2928
2929         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
2930
2931 2011-01-14  Mike Stump  <mikestump@comcast.net>
2932
2933         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
2934         * config/fr30/fr30.md: Likweise
2935         (movsi_push): Likewise.
2936         (movsi_pop): Likewise.
2937         (enter_func): Likewise.
2938         * config/moxie/moxie.md (movsi_push): Likewise.
2939         (movsi_pop): Likewise.
2940
2941 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2942
2943         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
2944         %{no_archive} %{exact_version}.
2945         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
2946         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
2947         %{no_archive} %{exact_version}.
2948         * config/mips/openbsd.h (LINK_SPEC): Likewise.
2949         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
2950         * config/mips/vxworks.h: Likewise.
2951
2952 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2953
2954         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
2955
2956 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2957
2958         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
2959         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
2960
2961 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2962
2963         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
2964         -nodefaultlib.
2965
2966 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2967
2968         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
2969         for mcpu not cpu.
2970         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
2971         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
2972         not cpu.
2973         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
2974         Don't handle -shlib.
2975
2976 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2977
2978         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
2979         (CC1_SPEC): Don't handle -profile.
2980
2981 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2982
2983         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
2984         * config/mips/mips.h (CC1_SPEC): Likewise.
2985
2986 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2987
2988         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
2989         * config/mips/mips.h (CC1_SPEC): Likewise.
2990
2991 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
2992
2993         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
2994         * config/m32r/linux.h (LINK_SPEC): Likewise.
2995         * config/mips/linux.h (LINK_SPEC): Likewise.
2996         * config/mips/linux64.h (LINK_SPEC): Likewise.
2997         * config/sparc/linux.h (LINK_SPEC): Likewise.
2998         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2999         LINK_SPEC): Likewise.
3000         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3001
3002 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3003
3004         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3005         %{version:-v}.
3006         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3007
3008 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3009
3010         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3011         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3012
3013 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3014
3015         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3016
3017 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3018
3019         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3020         supports -Bstatic/-Bdynamic.
3021         * configure: Regenerate.
3022
3023 2011-01-14  Jan Hubicka  <jh@suse.cz>
3024         Jack Howarth <howarth@bromo.med.uc.edu>
3025
3026         PR target/46037
3027         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3028         when checking debug_info_level. Test write_symbols instead of
3029         debug_hooks->var_location when setting flag_var_tracking_uninit.
3030
3031 2011-01-14  Richard Guenther  <rguenther@suse.de>
3032
3033         PR tree-optimization/47179
3034         * target.def (ref_may_alias_errno): New target hook.
3035         * targhooks.h (default_ref_may_alias_errno): Declare.
3036         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3037         (default_ref_may_alias_errno): New function.
3038         * target.h (struct ao_ref_s): Declare.
3039         * tree-ssa-alias.c: Include target.h.
3040         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3041         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3042         (targhooks.o): Likewise.
3043         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3044         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3045
3046 2011-01-14  Richard Guenther  <rguenther@suse.de>
3047
3048         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3049
3050 2011-01-14  Richard Guenther  <rguenther@suse.de>
3051
3052         PR tree-optimization/47280
3053         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3054         return CFG changes.
3055         (tree_ssa_forward_propagate_single_use_vars): Deal with
3056         CFG changes from associate_plusminus.
3057
3058 2011-01-14  Richard Guenther  <rguenther@suse.de>
3059
3060         PR middle-end/47281
3061         Revert
3062         2011-01-11  Richard Guenther  <rguenther@suse.de>
3063
3064         PR tree-optimization/46076
3065         * tree-ssa.c (useless_type_conversion_p): Conversions from
3066         unprototyped to empty argument list function types are useless.
3067
3068 2011-01-14  Richard Guenther  <rguenther@suse.de>
3069
3070         PR tree-optimization/47286
3071         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3072
3073 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3074
3075         PR middle-end/46823
3076         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3077
3078 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3079
3080         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3081         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3082         * config/xtensa/xtensa.c (xtensa_libcall_value,
3083         xtensa_function_value_regno_p): New functions.
3084         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3085
3086 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3087
3088         PR c++/47213
3089         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3090         PE specific hook.
3091         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3092         New function prototype.
3093         * config/i386/winnt.c (i386_pe_assemble_visibility):
3094         Warn only if attribute was specified by user.
3095
3096 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3097
3098         PR target/47251
3099         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3100         floating point.
3101         (floatunsdidf2_fcfidu): Ditto.
3102
3103 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3104
3105         * config/s390/s390.c (print_operand_address): Replace 'error' with
3106         'output_operand_lossage'.
3107         (print_operand): Likewise.
3108
3109 2011-01-13  Jeff Law  <law@redhat.com>
3110
3111         PR rtl-optimization/39077
3112         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3113         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3114         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3115         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3116         * gcse.c (prune_insertions_deletions): New function.
3117         (compute_pre_data): Use it.
3118
3119 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3120
3121         PR debug/PR46973
3122         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3123         static function.
3124         (prune_unused_types_mark): Use it.
3125
3126 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3127
3128         PR rtl-optimization/45352
3129         * sel-sched.c: Update copyright years.
3130         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3131         in the advancing loop when we have issued issue_rate insns.
3132
3133 2011-01-12  Richard Henderson  <rth@redhat.com>
3134
3135         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3136         (TARGET_MD_ASM_CLOBBERS): New.
3137
3138         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3139         (TARGET_DELEGITIMIZE_ADDRESS): New.
3140
3141         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3142         (clzsi2, *bsch): New patterns.
3143
3144         * config/mn10300/mn10300.md (INT): New mode iterator.
3145         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3146
3147         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3148         flag_split_wide_types.
3149
3150         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3151         (mn10300_trampoline_init): Rewrite without a template, an immediate
3152         load and a direct branch.
3153         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3154
3155 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3156
3157         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3158         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3159         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3160         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3161
3162 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3163
3164         PR debug/47209
3165         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3166         of type.
3167
3168 2011-01-12  Jan Hubicka  <jh@suse.cz>
3169
3170         PR driver/47244
3171         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3172         (PLUGIN_COND_CLOSE): New macro.
3173         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3174
3175 2011-01-12  Richard Guenther  <rguenther@suse.de>
3176
3177         PR lto/47259
3178         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3179         register variables in a MEM_REF.
3180
3181 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3182
3183         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3184         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3185         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3186         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3187         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3188         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3189         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3190         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3191         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3192         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3193         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3194         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3195         * config/gnu-user.h: New.  Copied from linux.h.
3196         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3197         GNU_USER_TARGET_STARTFILE_SPEC.
3198         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3199         GNU_USER_TARGET_ENDFILE_SPEC.
3200         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3201         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3202         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3203         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3204         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3205         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3206         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3207         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3208         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3209         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3210         * config/arm/linux-eabi.h (CC1_SPEC): Use
3211         GNU_USER_TARGET_CC1_SPEC.
3212         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3213         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3214         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3215         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3216         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3217         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3218         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3219         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3220
3221 2011-01-12  Richard Guenther  <rguenther@suse.de>
3222
3223         PR other/46946
3224         * doc/invoke.texi (ffast-math): Document it is turned on
3225         with -Ofast.
3226
3227 2011-01-12  Jan Hubicka  <jh@suse.cz>
3228
3229         PR tree-optimization/47233
3230         * opts.c (common_handle_option): Disable ipa-reference with profile
3231         feedback.
3232
3233 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3234
3235         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3236         error message.
3237
3238 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3239
3240         * c-parser.c (c_lex_one_token): Updated and reindented some
3241         comments.  No changes in code.
3242
3243 2011-01-11  Ian Lance Taylor  <iant@google.com>
3244
3245         * godump.c (go_output_var): Don't output the variable if there is
3246         already a type with the same name.
3247
3248 2011-01-11  Ian Lance Taylor  <iant@google.com>
3249
3250         * godump.c (go_format_type): Don't generate float80.
3251
3252 2011-01-11  Richard Henderson  <rth@redhat.com>
3253
3254         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3255         declaration.  Rewrite for both speed and size.
3256         (mn10300_address_cost_1): Remove.
3257         (mn10300_register_move_cost): New.
3258         (mn10300_memory_move_cost): New.
3259         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3260         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3261         extensions, shifts, BSWAP, CLZ.
3262         (mn10300_wide_const_load_uses_clr): Remove.
3263         (TARGET_REGISTER_MOVE_COST): New.
3264         (TARGET_MEMORY_MOVE_COST): New.
3265         * config/mn10300/mn10300-protos.h: Update.
3266         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3267
3268         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3269         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3270         * config/mn10300/mn10300-protos.h: Update.
3271         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3272         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3273         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3274         (*test_int_bitfield, *test_byte_bitfield): Remove.
3275         (*bit_test, *subreg_bit_test): Remove.
3276         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3277
3278         * config/mn10300/constraints.md ("c"): Rename from "A".
3279         ("A", "D"): New constraint letters.
3280         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3281         (fmssf4, fnmasf4, fnmssf4): Likewise.
3282
3283         * config/mn10300/mn10300.md (isa): New attribute.
3284         (enabled): New attribute.
3285
3286         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3287         (abssf2, negsf2): Define only for hardware fp.
3288         (sqrtsf2): Reformat.
3289         (addsf3, subsf3, mulsf3): Merge expander and insn.
3290
3291         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3292         (DEBUGGER_AUTO_OFFSET): Remove.
3293         (DEBUGGER_ARG_OFFSET): Remove.
3294
3295         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3296         Emit register stores with the same offsets as the hardware.
3297         (mn10300_store_multiple_operation): Don't check that the register
3298         save offsets are monotonic.
3299         * config/mn10300/mn10300-protos.h: Update.
3300
3301         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3302
3303         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3304         in terms of the value on the stack, not the MDR register.
3305
3306 2011-01-11  Jan Hubicka  <jh@suse.cz>
3307
3308         PR lto/45721
3309         PR lto/45375
3310         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3311         (symbol_alias_set_destroy, symbol_alias_set_contains,
3312         propagate_aliases_backward): Declare.
3313         * lto-streamer-out.c (struct sets): New sturcture.
3314         (trivally_defined_alias): New function.
3315         (output_alias_pair_p): Rewrite.
3316         (output_unreferenced_globals): Fix output of alias pairs.
3317         (produce_symtab): Likewise.
3318         * ipa.c (function_and_variable_visibility): Set weak alias destination
3319         as needed in lto.
3320         * varasm.c (symbol_alias_set_t): Remove.
3321         (symbol_alias_set_destroy): Export.
3322         (propagate_aliases_forward, propagate_aliases_backward): New functions
3323         based on ...
3324         (compute_visible_aliases): ... this one; remove.
3325         (trivially_visible_alias): New
3326         (trivially_defined_alias): New.
3327         (remove_unreachable_alias_pairs): Rewrite.
3328         (finish_aliases_1): Reorganize code checking if alias is defined.
3329         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3330         in LTO mode.
3331
3332 2011-01-11  Richard Guenther  <rguenther@suse.de>
3333
3334         PR tree-optimization/46076
3335         * tree-ssa.c (useless_type_conversion_p): Conversions from
3336         unprototyped to empty argument list function types are useless.
3337
3338 2011-01-11  Richard Guenther  <rguenther@suse.de>
3339
3340         PR middle-end/45235
3341         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3342         volatile MEMs as MEM_READONLY_P.
3343
3344 2011-01-11  Richard Guenther  <rguenther@suse.de>
3345
3346         PR tree-optimization/47239
3347         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3348
3349 2011-01-11  Jeff Law  <law@redhat.com>
3350
3351         PR tree-optimization/47086
3352         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3353         IVs from statements that might throw.
3354
3355 2011-01-10  Jan Hubicka  <jh@suse.cz>
3356
3357         PR lto/45375
3358         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3359
3360 2011-01-10  Jan Hubicka  <jh@suse.cz>
3361
3362         PR lto/45375
3363         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3364         when correcting profile.
3365
3366 2011-01-10  Jan Hubicka  <jh@suse.cz>
3367
3368         PR lto/46083
3369         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3370         DECL_FINI_PRIORITY.
3371         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3372         Restore DECL_FINI_PRIORITY.
3373
3374 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3375
3376         * doc/gimple.texi: Fix quoting of multi-word return values in
3377         @deftypefn statements.  Ensure presence of return value.  Wrap
3378         overlong @deftypefn lines.
3379         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3380         descriptions of removed functions.
3381         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3382         of multi-word return value in @deftypefn statement.
3383
3384 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3385
3386         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3387         (Conditional Expressions, Logical Operators)
3388         (Statement and operand traversals): Do not indent smallexample
3389         code.  Fix duplicate function argument in example.
3390
3391 2011-01-10  Jeff Law  <law@redhat.com>
3392
3393         PR tree-optimization/47141
3394         * ipa-split.c (split_function): Handle case where we are
3395         returning a value and the return block has a virtual operand phi.
3396
3397 2011-01-10  Jan Hubicka  <jh@suse.cz>
3398
3399         PR tree-optimization/47234
3400         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3401         (pass_feedback_split_functions): Declare.
3402         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3403         tree-profile.
3404         * ipa-split.c (gate_split_functions): Update comments; disable
3405         split-functions for profile_arc_flag and branch_probabilities.
3406         (gate_feedback_split_functions): New function.
3407         (execute_feedback_split_functions): New function.
3408         (pass_feedback_split_functions): New global var.
3409
3410 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3411
3412         PR lto/46760
3413         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3414         calling gimple_call_set_cannot_inline.
3415
3416 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3417
3418         * config/darwin-sections.def: Remove unused section.
3419
3420 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3421
3422         PR c++/47218
3423         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3424
3425 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3426
3427         PR objc/47232
3428         * c-parser.c (c_parser_declaration_or_fndef): Improved
3429         error message.
3430
3431 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3432
3433         * config/i386/winnt.c (i386_pe_start_function): Make sure
3434         to switch back to function's section.
3435
3436 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3437
3438         PR gcc/46902
3439         PR testsuite/46912
3440         * plugin.c: Move include of dlfcn.h from here...
3441         * system.h: ... to here.
3442
3443 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3444
3445         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3446         file name.
3447         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3448         two extra empty pages in PDF output.
3449
3450 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3451
3452         PR objc/47078
3453         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3454         for error recovery purposes behave as if it was not specified so
3455         that the default type is usd.
3456
3457 2011-01-07  Jan Hubicka  <jh@suse.cz>
3458
3459         PR tree-optmization/46469
3460         * ipa.c (function_and_variable_visibility): Clear needed flags on
3461         nodes with external decls; handle weakrefs merging correctly.
3462
3463 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3464
3465         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3466         not false.
3467
3468 2011-01-07  Jan Hubicka  <jh@suse.cz>
3469
3470         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3471         and no longer claim that gold is required for linker plugin.
3472         * configure: Regenerate.
3473         * gcc.c (PLUGIN_COND): New macro.
3474         (LINK_COMMAND_SPEC): Use it.
3475         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3476         * config.in (HAVE_LTO_PLUGIN): New.
3477         * configure.ac (--with-lto-plugin): New parameter; autodetect
3478         HAVE_LTO_PLUGIN.
3479
3480 2011-01-07  Jan Hubicka  <jh@suse.cz>
3481
3482         PR tree-optimization/46367
3483         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3484         when we can update original.
3485         (cgraph_mark_inline_edge): Sanity check.
3486         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3487
3488 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3489
3490         * config/spu/spu.h (ASM_COMMENT_START): Define.
3491
3492 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3493
3494         PR driver/42445
3495         * gcc.c (%>S): New.
3496         (SWITCH_KEEP_FOR_GCC): Likewise.
3497         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
3498         (do_spec_1): Handle "%>".
3499
3500         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
3501
3502 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
3503
3504         PR target/47201
3505         * config/i386/i386.c (ix86_delegitimize_address): If
3506         simplify_gen_subreg fails, return orig_x.
3507
3508         PR bootstrap/47187
3509         * value-prof.c (gimple_stringop_fixed_value): Handle
3510         lhs of the call properly.
3511
3512 2011-01-07  Jan Hubicka  <jh@suse.cz>
3513
3514         PR lto/45375
3515         * lto-opt.c (lto_reissue_options): Set flag_shlib.
3516
3517 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3518
3519         * target.def (function_switched_text_sections): New hook.
3520         * doc/tm.texi: Regenerated.
3521         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3522         * final.c (default_function_switched_text_sections): New.
3523         (final_scan_insn): Call function_switched_text_sections when a
3524         mid-function section change occurs.
3525         * output.h (default_function_switched_text_sections): Declare.
3526         * config/darwin-protos.h (darwin_function_switched_text_sections):
3527         Likewise.
3528         * config/darwin.c (darwin_function_switched_text_sections): New.
3529         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
3530
3531 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
3532
3533         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
3534         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
3535         the secondary code fragment when outputting for DWARF == 2.
3536
3537 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
3538
3539         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3540         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
3541         Remove.
3542         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
3543         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3544
3545 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
3546
3547         PR debug/46704
3548         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
3549         when it is not empty.
3550
3551 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
3552
3553         Bobcat Enablement
3554         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
3555         (case ${target}): Add btver1.
3556         * config/i386/driver-i386.c (host_detect_local_cpu): Let
3557         -march=native recognize btver1 processors.
3558         * config/i386/i386-c.c (ix86_target_macros_internal): Add
3559         btver1 def_and_undef
3560         * config/i386/i386.c (struct processor_costs btver1_cost): New
3561         btver1 cost table.
3562         (m_BTVER1): New definition.
3563         (m_AMD_MULTIPLE): Includes m_BTVER1.
3564         (initial_ix86_tune_features): Add btver1 tune.
3565         (processor_target_table): Add btver1 entry.
3566         (static const char *const cpu_names): Add btver1 entry.
3567         (software_prefetching_beneficial_p): Add btver1.
3568         (ix86_option_override_internal): Add btver1 instruction sets.
3569         (ix86_issue_rate): Add btver1.
3570         (ix86_adjust_cost): Add btver1.
3571         * config/i386/i386.h (TARGET_BTVER1): New definition.
3572         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
3573         (enum processor_type): Add PROCESSOR_BTVER1.
3574         * config/i386/i386.md (define_attr "cpu"): Add btver1.
3575
3576 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3577
3578         PR target/43309
3579         * config/i386/i386.c (legitimize_tls_address)
3580         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
3581         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
3582         (tls_initial_exec_64_sun): New pattern.
3583
3584 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3585
3586         * doc/invoke.texi (Overall Options): Improve wording and markup
3587         of the description of -wrapper.
3588
3589 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3590
3591         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
3592         rdynamic, threads): New Driver options.
3593
3594 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3595
3596         PR target/38118
3597         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
3598         if coming from .tdata.
3599         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
3600
3601 2011-01-06  Jan Hubicka  <jh@suse.cz>
3602
3603         PR lto/47188
3604         * collect2.c (main): Do not enable LTOmode when plugin is active.
3605
3606 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3607
3608         PR other/45915
3609         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
3610         --version output if supported.
3611         * configure: Regenerate.
3612
3613 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
3614
3615         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
3616         Driver options.
3617
3618 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
3619
3620         PR c/47150
3621         * c-convert.c (convert): When converting a complex expression
3622         other than COMPLEX_EXPR to a different complex type, ensure
3623         c_save_expr is called instead of save_expr, unless in_late_binary_op.
3624         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
3625         when converting COMPLEX_TYPE.
3626
3627 2011-01-06  Ira Rosen  <irar@il.ibm.com>
3628
3629         PR tree-optimization/47139
3630         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
3631         only the last reduction value is used outside the loop.  Update
3632         documentation.
3633
3634 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
3635
3636         * config/rtems.opt: New.
3637         * config.gcc (*-*-rtems*): Use rtems.opt.
3638
3639 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
3640
3641         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
3642         processors do not support 3DNow instructions.
3643
3644 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3645
3646         * config/spu/spu.c (spu_option_override): Set parameter
3647         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
3648
3649 2011-01-05  Jan Hubicka  <jh@suse.cz>
3650
3651         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
3652         at the command line.
3653
3654 2011-01-05  Martin Jambor  <mjambor@suse.cz>
3655
3656         PR lto/47162
3657         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
3658         deltas on streamed outgoing edges.
3659         (output_node_opt_summary): Output info for outgoing edges only when
3660         the node is in new parameter set.
3661         (output_cgraph_opt_summary): New parameter set, passed to the two
3662         aforementioned functions.  Update its forward declaration and its
3663         callee too.
3664
3665 2011-01-05  Tom Tromey  <tromey@redhat.com>
3666
3667         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
3668         operator to c_finish_omp_atomic.
3669         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
3670         (build_unary_op): Update.
3671         (build_modify_expr): Update.
3672         (build_asm_expr): Update.
3673
3674 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3675
3676         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
3677         newly inserted insns.
3678         (pad_bb): Likewise.
3679         (spu_emit_branch_hint): Likewise.
3680         (insert_hbrp_for_ilb_runout): Likewise.
3681         (spu_machine_dependent_reorg): Call df_finish_pass after
3682         schedule_insns returns.
3683
3684 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3685
3686         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
3687
3688 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
3689
3690         PR tree-optimization/47005
3691         * tree-sra.c (struct access): Add 'non_addressable' bit.
3692         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
3693         (decide_one_param_reduction): Return 0 if the parameter is passed by
3694         reference and one of the accesses in the group is non_addressable.
3695
3696 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3697
3698         PR tree-optimization/47056
3699         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
3700         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
3701         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
3702
3703 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
3704
3705         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
3706         initializer.  Skip view conversions from aggregate types.
3707
3708 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
3709
3710         PR bootstrap/47055
3711         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
3712
3713 2011-01-04  Philipp Thomas <pth@suse.de>
3714
3715         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
3716         obvious typo.
3717
3718 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3719
3720         * function.c (thread_prologue_and_epilogue_insns): Do not crash
3721         on empty epilogue sequences.
3722
3723 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
3724
3725         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
3726         non-static): New Driver options.
3727
3728 2011-01-04  Jie Zhang  <jie@codesourcery.com>
3729
3730         PR driver/47137
3731         * gcc.c (default_compilers[]): Set combinable field to 0
3732         for all assembly languages.
3733
3734 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
3735
3736         * config/mips/loongson3a.md: New file.
3737         * config/mips/mips.md: Include loongson3a.md.
3738         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
3739         TUNE_LOONGSON_3A.
3740
3741 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
3742
3743         PR middle-end/47017
3744         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
3745         instead of convert_memory_address_addr_space on the base expression.
3746
3747 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3748
3749         * config/spu/spu.c (spu_option_override): Update error text
3750         for bad -march= / -mtune= values.
3751
3752 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3753
3754         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
3755         if branch-hint optimization will be performed.
3756
3757 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3758
3759         PR tree-optimization/47148
3760         * ipa-split.c (split_function): Convert arguments to
3761         DECL_ARG_TYPE if possible.
3762
3763         PR tree-optimization/47155
3764         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
3765         when computing uns.
3766
3767         PR rtl-optimization/47157
3768         * combine.c (try_combine): If undobuf.other_insn becomes
3769         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
3770         and set *new_direct_jump_p too.
3771
3772 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
3773
3774         PR tree-optimization/47021
3775         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
3776
3777 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
3778
3779         * gcc.c (process_command): Update copyright notice dates.
3780         * gcov.c (print_version): Likewise.
3781         * gcov-dump.c (print_version): Likewise.
3782         * mips-tfile.c (main): Likewise.
3783         * mips-tdump.c (main): Likewise.
3784
3785 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3786
3787         PR tree-optimization/46801
3788         * tree-sra.c (type_internals_preclude_sra_p): Check whether
3789         aggregate fields start at byte boundary instead of the bit-field flag.
3790
3791 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
3792
3793         PR driver/47137
3794         * gcc.c (main): Revert revision 168407.
3795
3796 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3797
3798         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
3799
3800 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3801
3802         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
3803         vector optab to expand vector/scalar shift, update gimple to vector.
3804
3805 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3806
3807         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
3808         a thunk.
3809
3810 2011-01-03  Martin Jambor  <mjambor@suse.cz>
3811
3812         PR tree-optimization/46984
3813         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
3814         HOST_WIDE_INT.
3815         (cgraph_create_indirect_edge): Fixed line length.
3816         (cgraph_indirect_call_info): Declare.
3817         (cgraph_make_edge_direct) Update declaration.
3818         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
3819         (cgraph_create_indirect_edge): Use it.
3820         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
3821         callees.
3822         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
3823         the new thunk_delta representation.
3824         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
3825         HOST_WIDE_INT.
3826         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
3827         (ipa_read_indirect_edge_info): Likewise.
3828         * lto-cgraph.c (output_edge_opt_summary): New function.
3829         (output_node_opt_summary): Call it on all outgoing edges.
3830         (input_edge_opt_summary): New function.
3831         (input_node_opt_summary): Call it on all outgoing edges.
3832
3833 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
3834
3835         PR driver/47137
3836         * gcc.c (main): Don't check have_o when settting combine_inputs.
3837
3838 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3839
3840         * regrename.c: Add general comment describing the pass.
3841         (struct du_head): Remove 'length' field.
3842         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
3843         (regrename_optimize): Do not sort chains.  Rework comments, add others.
3844         Force renaming to the preferred class (if any) in the first pass and do
3845         not consider registers that belong to it in the second pass.
3846         (create_new_chain): Do not set 'length' field.
3847         (scan_rtx_reg): Likewise.
3848
3849 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
3850
3851         PR tree-optimization/47140
3852         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
3853         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
3854         to bit_value_binop.
3855
3856         PR rtl-optimization/47028
3857         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
3858         parm_birth_insn instead of at the beginning of first bb.
3859
3860 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
3861
3862         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
3863         Remove the word "see" before "@pxref".
3864         * doc/rtl.texi: Remove the word "see" before "@pxref".
3865
3866 2011-01-01  Jan Hubicka  <jh@suse.cz>
3867
3868         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
3869         memory.
3870
3871 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
3872
3873         PR target/38662
3874         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
3875
3876 \f
3877 Copyright (C) 2011 Free Software Foundation, Inc.
3878
3879 Copying and distribution of this file, with or without modification,
3880 are permitted in any medium without royalty provided the copyright
3881 notice and this notice are preserved.