gcc/ChangeLog

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