gcc/ChangeLog

   1 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
   2
   3         PR rtl-optimization/47899
   4         * cfgloopmanip.c (fix_bb_placements): Fix first argument
   5         to flow_loop_nested_p when moving the loop upward.
   6
   7 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
   8
   9         PR target/47719
  10         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
  11
  12 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
  13
  14         PR tree-optimization/47967
  15         * ipa-cp.c (build_const_val): Return NULL instead of creating
  16         VIEW_CONVERT_EXPR for mismatching sizes.
  17         (ipcp_create_replace_map): Return NULL if build_const_val failed.
  18         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
  19         give up on versioning.
  20
  21 2011-03-05  Alan Modra  <amodra@gmail.com>
  22
  23         PR target/47986
  24         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
  25         full cmodel medium/large lo_sum + high addresses.
  26
  27 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
  28
  29         * config/s390/s390.c (s390_decompose_address): Reject non-literal
  30         pool references in UNSPEC_LTREL_OFFSET.
  31
  32 2011-03-04  Jan Hubicka  <jh@suse.cz>
  33
  34         PR lto/47497
  35         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
  36         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
  37         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk): Add node pointers.
  38         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
  39         cgraph_add_thunk): Add node pointers.
  40         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
  41         associated to right node.
  42         (input_node): Update use of cgraph_same_body_alias
  43         and cgraph_add_thunk.
  44
  45 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
  46
  47         * config/i386/i386.opt (mprefer-avx128): New flag.
  48         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit mode
  49         when the flag -mprefer-avx128 is on.
  50
  51 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
  52
  53         * dwarf2out.c (compare_loc_operands): Fix address handling.
  54
  55 2011-03-04  Alan Modra  <amodra@gmail.com>
  56
  57         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
  58
  59 2011-03-04  Richard Guenther  <rguenther@suse.de>
  60
  61         PR middle-end/47968
  62         * expmed.c (extract_bit_field_1): Prefer vector modes that
  63         vec_extract patterns can handle.
  64
  65 2011-03-04  Richard Guenther  <rguenther@suse.de>
  66
  67         PR middle-end/47975
  68         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
  69
  70 2011-03-04  Richard Henderson  <rth@redhat.com>
  71
  72         * explow.c (emit_stack_save): Remove 'after' parameter.
  73         (emit_stack_restore): Likewise.
  74         * expr.h: Update to match.
  75         * builtins.c, calls.c, stmt.c: Likewise.
  76         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
  77         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
  78         * function.c (expand_function_end): Insert the emit_stack_save
  79         sequence before parm_birth_insn instead of after.
  80
  81 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
  82
  83         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
  84         (ssse3_pmaddubsw128): Ditto.
  85         (ssse3_pmaddubsw): Ditto.
  86
  87 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
  88
  89         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
  90
  91 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
  92
  93         PR c/47963
  94         * gimplify.c (omp_add_variable): Only call omp_notice_variable
  95         on TYPE_SIZE_UNIT if it is a DECL.
  96
  97         PR debug/47283
  98         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
  99         first operand is not is_gimple_mem_ref_addr, try to fold it.
 100         If the operand still isn't is_gimple_mem_ref_addr, clear
 101         MEM_EXPR on op0.
 102
 103 2011-03-03  Richard Guenther  <rguenther@suse.de>
 104
 105         PR middle-end/47283
 106         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
 107         match comment.
 108         (refs_may_alias_p_1): For release branches return true if
 109         we are confused by our input.
 110
 111 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 112
 113         * config/s390/s390.c (s390_function_value): Rename to ...
 114         (s390_function_and_libcall_value): ... this.
 115         (s390_function_value): New function.
 116         (s390_libcall_value): New function.
 117         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
 118         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
 119         target macro definitions.
 120         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
 121
 122 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
 123
 124         * config/i386/freebsd64.h (CC1_SPEC): Define.
 125         * config/i386/linux64.h (CC1_SPEC): Define.
 126         * config/i386/x86-64.h (CC1_SPEC): Don't define.
 127
 128 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
 129
 130         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 131         Remove.
 132         * config/stormy16/stormy16.c: Include reload.h.
 133         (xstormy16_memory_move_cost): New function.
 134         (TARGET_MEMORY_MOVE_COST): Define.
 135
 136 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
 137
 138         PR rtl-optimization/47925
 139         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
 140         with side effects.  Remove the more-specific check for volatile asms.
 141
 142 2011-03-02  Alan Modra  <amodra@gmail.com>
 143
 144         PR target/47935
 145         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
 146         toc relative addresses for valid offsets.
 147
 148 2011-03-01  Richard Guenther  <rguenther@suse.de>
 149
 150         PR tree-optimization/47890
 151         * tree-vect-loop.c (get_initial_def_for_induction): Set
 152         related stmt properly.
 153
 154 2011-03-01  Richard Guenther  <rguenther@suse.de>
 155
 156         PR lto/47924
 157         * lto-streamer.c (lto_record_common_node): Also register
 158         the canonical type.
 159
 160 2011-03-01  Richard Guenther  <rguenther@suse.de>
 161
 162         PR lto/46911
 163         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 164         Do not stream DECL_ABSTRACT_ORIGIN.
 165         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 166         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 167         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 168         Do not stream DECL_ABSTRACT_ORIGIN.
 169         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 170         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 171
 172 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
 173
 174         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
 175         FUNCTION_VALUE_REGNO_P): Remove.
 176         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
 177         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
 178         Add 'outgoing' argument.
 179         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
 180         function.
 181         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
 182         TARGET_FUNCTION_VALUE_REGNO_P): Define.
 183
 184 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
 185
 186         PR debug/28047
 187         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
 188         (lookup_filename): Likewise.
 189         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
 190
 191 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
 192             Jakub Jelinek  <jakub@redhat.com>
 193
 194         PR middle-end/47893
 195         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
 196         (assign_stack_local_1): Change last argument type to int.
 197         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
 198         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
 199         don't record padding space into frame_space_list nor use those areas.
 200         (assign_stack_local): Adjust caller.
 201         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
 202         of assign_stack_local, pass 0 as last argument.
 203         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
 204         callers.
 205
 206 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
 207
 208         PR debug/47283
 209         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
 210         Use target address_mode and pointer_mode hooks instead of hardcoded
 211         Pmode and ptr_mode.  Handle some simple cases of extending if
 212         POINTERS_EXTEND_UNSIGNED < 0.
 213         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
 214         Call convert_debug_memory_address.
 215         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
 216         convert_debug_memory_address.
 217
 218         PR middle-end/46790
 219         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
 220         * configure: Regenerated.
 221         * config.in: Regenerated.
 222         * varasm.c (default_function_section): Return NULL
 223         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
 224
 225 2011-02-28  Martin Jambor  <mjambor@suse.cz>
 226
 227         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
 228         the description to match the printed values.
 229
 230 2011-02-28  Richard Guenther  <rguenther@suse.de>
 231
 232         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
 233         of the copied scope tree.
 234
 235 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 236
 237         * doc/extend.texi (Function Attributes): Avoid deeply (and
 238         wrongly) nested tables.
 239
 240 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
 241
 242         PR middle-end/47903
 243         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
 244         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
 245         r isn't op0 nor op1.
 246
 247 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 248
 249         * config/avr/avr.md: Remove magic comment for emacs.
 250
 251 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 252
 253         PR target/45261
 254         * config/avr/avr.c (avr_option_override): Use error on bad options.
 255         (avr_help): New function.
 256         (TARGET_HELP): Define.
 257
 258 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
 259
 260         PR target/42240
 261         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
 262         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
 263
 264 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
 265
 266         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
 267         (ARM Options): Ditto.
 268         (i386 and x86-64 Options): Ditto.
 269         (RX Options): Ditto.
 270         (SPARC Options): Ditto.
 271
 272 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
 273
 274         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
 275         FreeBSD 6 and later.  Generally use cpu generic.
 276
 277 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
 278
 279         * doc/cpp.texi: Update copyright years.
 280
 281 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 282
 283         PR target/46898
 284         * config/lm32/lm32.md (ashrsi3): Added needed variable.
 285
 286 2011-02-25  Jon Beniston  <jon@beniston.com>
 287
 288         PR target/46898
 289         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
 290         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
 291         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
 292         (lm32_block_move_inline): Add type cast to remove warning.
 293         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
 294         (gen_int_relational): Move declarations to start of function.
 295
 296 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 297
 298         PR tree-optimization/45470
 299         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
 300         can throw internally only.
 301         * tree-vect-stmts.c (vectorizable_call): Likewise.
 302
 303 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
 304
 305         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
 306         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 307         * config/stormy16/stormy16-protos.h
 308         (xstormy16_preferred_reload_class): Remove.
 309         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
 310         static. Change 'rclass' argument and return type to reg_class_t.
 311         (TARGET_PREFERRED_RELOAD_CLASS,
 312         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 313
 314 2011-02-24  Richard Guenther  <rguenther@suse.de>
 315
 316         * lto-streamer-in.c (input_bb): Do not find referenced vars
 317         in debug statements.
 318
 319 2011-02-23  Jason Merrill  <jason@redhat.com>
 320
 321         * common.opt (fabi-version): Document v5 and v6.
 322
 323 2011-02-23  Richard Guenther  <rguenther@suse.de>
 324
 325         PR tree-optimization/47849
 326         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
 327
 328 2011-02-23  Jie Zhang  <jie@codesourcery.com>
 329
 330         * opts-common.c (decode_cmdline_option): Print empty string
 331         argument as "" in decoded->orig_option_with_args_text.
 332         * gcc.c (execute): Print empty string argument as ""
 333         in the verbose output.
 334         (do_spec_1): Keep empty string argument.
 335
 336 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
 337
 338         * config.gcc: Declare score-* and crx-* obsolete.
 339
 340 2011-02-23  Jie Zhang  <jie@codesourcery.com>
 341
 342         PR rtl-optimization/47763
 343         * web.c (web_main): Ignore naked clobber when replacing register.
 344
 345 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
 346
 347         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
 348         Remove.
 349
 350 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 351
 352         PR doc/47848
 353         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
 354
 355 2011-02-22  Mike Stump  <mikestump@comcast.net>
 356
 357         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
 358         assembler.
 359         * configure: Regenerate.
 360
 361 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
 362
 363         PR rtl-optimization/46002
 364         * ira-color.c (update_copy_costs): Change class intersection
 365         test to reg_class_contents[] test of 'hard_regno'.
 366
 367 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
 368
 369         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
 370         than Driver option.
 371         * config/hpux11.opt (mt): Likewise.
 372         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
 373         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
 374         * config/vax/elf.opt (mno-asm-pic): Likewise.
 375         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
 376
 377 2011-02-21  Mike Stump  <mikestump@comcast.net>
 378
 379         PR target/47822
 380         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
 381         tree so we can get save the type.
 382         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
 383         for CFString instead of trying to use past the end of the builtins.
 384         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
 385         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
 386         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
 387         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
 388         Rename to darwin_builtin_cfstring.
 389         (darwin_init_cfstring_builtins): Return the built type.
 390
 391 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
 392
 393         PR target/47840
 394         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
 395         (_mm256_insert_epi64): Use _mm_insert_epi64.
 396
 397 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
 398
 399         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 400         * config/stormy16/stormy16-protos.h
 401         (xstormy16_mode_dependent_address_p): Remove.
 402         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
 403         Make static. Change return type to bool. Change argument type to
 404         const_rtx. Remove dead code.
 405         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 406
 407 2011-02-21  Richard Guenther  <rguenther@suse.de>
 408
 409         PR lto/47820
 410         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 411         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
 412         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
 413         TUs context.
 414         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 415         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
 416
 417 2011-02-20  Richard Guenther  <rguenther@suse.de>
 418
 419         PR lto/47822
 420         * tree.c (free_lang_data_in_decl): Clean builtins from
 421         the TU decl BLOCK_VARS.
 422
 423 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
 424
 425         PR debug/47620
 426         PR debug/47630
 427         * haifa-sched.c (fix_tick_ready): Skip tick computation
 428         for debug insns.
 429
 430 2011-02-19  Richard Guenther  <rguenther@suse.de>
 431
 432         PR lto/47647
 433         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
 434         Remove lazy BLOCK_VARS streaming.
 435         (lto_input_ts_block_tree_pointers): Likewise.
 436         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
 437
 438 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
 439
 440         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
 441
 442 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
 443
 444         * config/i386/biarch32.h, config/i386/mach.h,
 445         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
 446
 447 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
 448
 449         PR target/47800
 450         * config/i386/i386.md (peephole2 for shift and plus): Use
 451         operands[1] original mode in the first insn.
 452
 453 2011-02-18  Mike Stump  <mikestump@comcast.net>
 454
 455         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
 456
 457 2011-02-18  Jan Hubicka  <jh@suse.cz>
 458
 459         PR middle-end/47788
 460         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
 461         to zero when the function is not inlinable at all.
 462
 463 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 464
 465         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
 466         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
 467         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
 468         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
 469         * config/pa/t-pa64: Likewise.
 470         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
 471
 472 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
 473
 474         PR driver/47787
 475         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
 476
 477 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 478
 479         PR target/47792
 480         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
 481
 482 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
 483
 484         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
 485         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
 486         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
 487         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
 488         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
 489         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
 490         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
 491         m32r_load_postinc_p, m32r_store_preinc_predec_p,
 492         m32r_legitimate_address_p): New functions.
 493         * config/m32r/constraints.md (constraint "S"): Don't use
 494         STORE_PREINC_PREDEC_P.
 495         (constraint "U"): Don't use LOAD_POSTINC_P.
 496
 497 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
 498
 499         PR rtl-optimization/46178
 500         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
 501         compute ira_hard_regno_cover_class[].
 502
 503 2011-02-18  Richard Guenther  <rguenther@suse.de>
 504
 505         PR lto/47798
 506         * lto-streamer.h (lto_global_var_decls): Declare.
 507         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
 508         statics for global var processing.
 509
 510 2011-02-18  Richard Guenther  <rguenther@suse.de>
 511
 512         PR tree-optimization/47737
 513         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
 514         edge dominance check.
 515
 516 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
 517
 518         PR debug/47780
 519         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
 520         avoid invalid rtx sharing.
 521
 522 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 523
 524         * doc/cpp.texi (Obsolete Features): Add background on the
 525         origin of assertions.
 526
 527 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
 528
 529         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
 530         objc_abi == 2.
 531         * config/darwin.c (output_objc_section_asm_op): Added support for
 532         ABI v1 and v2.
 533         (is_objc_metadata): New.
 534         (darwin_objc2_section): New.
 535         (darwin_objc1_section): New.
 536         (machopic_select_section): Added support for ABI v1 and v2.
 537         (darwin_emit_objc_zeroed): New.
 538         (darwin_output_aligned_bss): Detect objc metadata and treat it
 539         appropriately.
 540         (darwin_asm_output_aligned_decl_common): Same.
 541         (darwin_asm_output_aligned_decl_local): Same.
 542         * config/darwin-sections.def: Updated for ABI v1 and v2.
 543         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
 544         compiling Objective-C code for the NeXT runtime, default to using
 545         ABI version 0 for 32-bit, and version 2 for 64-bit.
 546
 547 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 548
 549         * common.opt (optimize_fast): New Variable.
 550         * opts.c (default_options_optimization): Use opts->x_optimize_fast
 551         instead of local variable ofast.
 552
 553 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
 554
 555         * doc/invoke.texi (fobjc-abi-version): Documented.
 556         (fobjc-nilcheck): Documented.
 557         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
 558         version.
 559
 560 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 561
 562         PR driver/47390
 563         * common.opt (export-dynamic): New Driver option.
 564         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
 565
 566 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 567
 568         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
 569
 570 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
 571             Jan Hubicka  <jh@suse.cz>
 572
 573         PR debug/47106
 574         PR debug/47402
 575         * cfgexpand.c (account_used_vars_for_block): Remove.
 576         (estimated_stack_frame_size): Use referenced vars.
 577         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
 578         that were referenced in the original function.  Test src_fn
 579         rather than cfun.  Drop redundant get_var_ann.
 580         (setup_one_parameter): Drop redundant get_var_ann.
 581         (declare_return_variable): Likewise.
 582         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
 583         (copy_arguments_for_versioning): Drop redundant get_var_ann.
 584         * ipa-inline.c (compute_inline_parameters): Do not compute
 585         disregard_inline_limits here.
 586         (compute_inlinable_for_current, pass_inlinable): New.
 587         (pass_inline_parameters): Require PROP_referenced_vars.
 588         * cgraphunit.c (cgraph_process_new_functions): Don't run
 589         compute_inline_parameters explicitly unless function is in SSA form.
 590         (cgraph_analyze_function): Set .disregard_inline_limits.
 591         * tree-sra.c (convert_callers): Compute inliner parameters
 592         only for functions already in SSA form.
 593
 594 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 595
 596         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
 597         -mlittle-endian-data.
 598
 599 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 600
 601         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
 602         -mno-fpu, not -fpu and -no-fpu.
 603         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
 604         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
 605
 606 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
 607
 608         PR target/43653
 609         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
 610         input reload with PLUS RTX.
 611
 612 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 613
 614         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
 615         of InverseVar(MDMX).
 616
 617 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 618
 619         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
 620         --m4-340.
 621
 622 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 623
 624         * config/mn10300/mn10300.opt (mno-crt0): New.
 625
 626 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 627
 628         * config/m68k/uclinux.opt (static-libc): New Driver option.
 629
 630 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 631
 632         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
 633
 634 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 635
 636         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
 637         %{muser-extend-enabled}.
 638
 639 2011-02-16  Richard Guenther  <rguenther@suse.de>
 640
 641         PR tree-optimization/47738
 642         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
 643         the TODO from tree_predictive_commoning.
 644
 645 2011-02-15  Jeff Law  <law@redhat.com>
 646
 647         Revert
 648         2011-01-25  Jeff Law  <law@redhat.com>
 649
 650         PR rtl-optimization/37273
 651         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 652         handle them like argument loads from stack slots.  Do not double
 653         count memory for memory constants and argument loads from stack slots.
 654
 655 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 656
 657         PR middle-end/47725
 658         * combine.c (cant_combine_insn_p): Revert the last change.
 659
 660 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
 661
 662         PR target/47755
 663         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
 664         mode for vector constants.  Remove code that checks for TImode.
 665
 666 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 667
 668         PR debug/47106
 669         PR debug/47402
 670         * cgraph.h (compute_inline_parameters): Return void.
 671         * ipa-inline.c (compute_inline_parameters): Adjust.
 672
 673 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 674
 675         PR debug/47106
 676         PR debug/47402
 677         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
 678         rather than decl.
 679         * cfgexpand.c (estimated_stack_frame_size): Likewise.
 680         * ipa-inline.c (compute_inline_parameters): Adjust.
 681
 682 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 683
 684         PR debug/47106
 685         PR debug/47402
 686         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
 687         Adjust all users.  Pass FN to...
 688         * tree-flow-inline.h (first_referenced_var): ... this.  Add
 689         fn argument.
 690         * ipa-struct-reorg.c: Adjust.
 691         * tree-dfa.c: Adjust.
 692         * tree-into-ssa.c: Adjust.
 693         * tree-sra.c: Adjust.
 694         * tree-ssa-alias.c: Adjust.
 695         * tree-ssa-live.c: Adjust.
 696         * tree-ssa.c: Adjust.
 697         * tree-ssanames.c: Adjust.
 698         * tree-tailcall.c: Adjust.
 699
 700 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
 701
 702         PR debug/47106
 703         PR debug/47402
 704         * tree-flow.h (referenced_var_lookup): Add fn parameter.
 705         Adjust all callers.
 706         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
 707         * tree-flow-inline.h: Adjust.
 708         * gimple-pretty-print.c: Adjust.
 709         * tree-into-ssa.c: Adjust.
 710         * tree-ssa.c: Adjust.
 711         * cfgexpand.c: Adjust.
 712
 713 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 714
 715         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
 716         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 717         (EXTRA_CONSTRAINT): Delete.
 718         * config/iq2000/constraints.md: New file.
 719         * config/iq2000/iq2000.md: Include it.
 720         (define_insn ""): Delete.
 721         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
 722         unsupported constraint letters from patterns.
 723         (call_value, call_value_internal1): Likewise.
 724         (call_value_multiple_internal1): Likewise.
 725
 726 2011-02-15  Nick Clifton  <nickc@redhat.com>
 727
 728         * config/mn10300/mn10300.c: Include tm-constrs.h.
 729         (struct liw_data): New data structure describing an LIW candidate
 730         instruction.
 731         (extract_bundle): Use struct liw_data.  Allow small integer
 732         operands for some instructions.
 733         (check_liw_constraints): Use struct liw_data.  Remove swapped
 734         parameter.  Add comments describing the checks.  Fix bug when
 735         assigning the source of liw1 to the source of liw2.
 736         (liw_candidate): Delete.  Code moved into extract_bundle.
 737         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
 738         before swapping.
 739         * config/mn10300/predicates.md (liw_operand): New predicate.
 740         Allows registers and small integer constants.
 741         * config/mn10300/constraints.md (O): New constraint.  Accetps
 742         integers in the range -8 to +7 inclusive.
 743         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
 744         for moving a small integer into a register.  Give this alternative
 745         LIW attributes.
 746         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
 747         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
 748         using the J,K,L and M constraints,
 749         (liw): Remove SI mode on second operands to allow for HI and QI
 750         mode values.
 751         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
 752         instruction.
 753
 754 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 755
 756         PR middle-end/47725
 757         * combine.c (cant_combine_insn_p): Check zero/sign extended
 758         hard registers.
 759
 760 2011-02-15  Richard Guenther  <rguenther@suse.de>
 761
 762         PR tree-optimization/47743
 763         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
 764         for a non-type-compatible VN lookup bail out.
 765
 766 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 767
 768         * config/fr30/constraints.md: New file.
 769         * config/fr30/fr30.md: Include it.
 770         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
 771         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 772         (EXTRA_CONSTRAINT): Delete.
 773
 774 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
 775
 776         * config/frv/constraints.md: New file.
 777         * config/frv/predicates.md: Include it.
 778         * config/frv/frv.c (reg_class_from_letter): Delete.
 779         (frv_option_override): Don't initialize it.
 780         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
 781         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
 782         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
 783         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 784         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
 785         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 786         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
 787         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
 788         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
 789         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
 790         (REG_CLASS_FROM_CONSTRAINT): Delete.
 791
 792 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
 793
 794         PR middle-end/47581
 795         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
 796         if frame size is 0 in a leaf function.
 797
 798 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 799
 800         PR pch/14940
 801         * config/alpha/host-osf.c: New file.
 802         * config/alpha/x-osf: New file.
 803         * config.host (alpha*-dec-osf*): Use it.
 804
 805 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 806
 807         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 808         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
 809         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
 810         (rx_mode_dependent_address_p): ...this. Make static. Change argument
 811         type to const_rtx.
 812         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 813
 814 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 815
 816         * config/stormy16/constraints.md: New file.
 817         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
 818         Use satisfies_constraint_Q and satisfies_constraint_R.
 819         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
 820         Delete.
 821         (xstormy16_legitiamte_address_p): Declare.
 822         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
 823         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 824         (EXTRA_CONSTRAINT): Delete.
 825         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
 826         Un-staticize.
 827         (xstormy16_extra_constraint_p): Delete.
 828
 829 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 830
 831         PR tree-optimization/46494
 832         * loop-unroll.c (split_edge_and_insert): Adjust comment.
 833         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
 834         (pass_rtl_loop_done): Add TODO_verify_flow.
 835         * fwprop.c (pass_rtl_fwprop): Likewise.
 836         * modulo-sched.c (pass_sms): Likewise.
 837         * tree-ssa-dom.c (pass_dominator): Likewise.
 838         * tree-ssa-loop-ch.c (pass_ch): Likewise.
 839         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
 840         (pass_tree_loop_done): Likewise.
 841         * tree-ssa-pre.c (execute_pre): Likewise.
 842         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
 843         * tree-ssa-sink.c (pass_sink_code): Likewise.
 844         * tree-vrp.c (pass_vrp): Likewise.
 845
 846 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 847
 848         * config/v850/constraints.md: New file.
 849         * config/v850/v850.md: Include it.
 850         * config/v850/predicates.md (reg_or_0_operand): Use
 851         satisfies_constraint_G.
 852         (special_symbolref_operand): Use satisfies_constraint_K.
 853         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
 854         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
 855         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
 856         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
 857         (EXTRA_CONSTRAINT): Delete.
 858         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
 859         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
 860         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
 861
 862 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
 863
 864         PR target/47696
 865         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
 866         description.
 867
 868 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
 869
 870         * config/mcore/constraints.md: New file.
 871         * config/mcore/mcore.md: Include it.
 872         * config/mcore/mcore.c (reg_class_from_letter): Delete.
 873         * config/mcore/mcore.h (reg_class_from_letter): Delete.
 874         (REG_CLASS_FROM_LETTER): Delete.
 875         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
 876         insn_const_int_ok_for_constraint.
 877         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
 878         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
 879         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
 880         (EXTRA_CONSTRAINT): Delete.
 881
 882 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 883
 884         PR ada/41929
 885         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
 886         (IS_SIGHANDLER): Define.
 887         (sparc64_is_sighandler): New function, split off from
 888         sparc64_fallback_frame_state.
 889         (sparc_is_sighandler): New function, split off from
 890         sparc_fallback_frame_state.
 891         (sparc64_fallback_frame_state): Merge with ...
 892         (sparc_fallback_frame_state): ... this into ...
 893         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
 894         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
 895         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
 896         stack instead of hardcoded offsets.
 897
 898 2011-02-14  Andriy Gapon  <avg@freebsd.org>
 899
 900         PR target/45808
 901         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
 902
 903 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 904
 905         * configure: Regenerate.
 906
 907 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
 908
 909         PR driver/45731
 910         * gcc.c (asm_options): Correct spec matching --target-help.
 911
 912 2011-02-12  Martin Jambor  <mjambor@suse.cz>
 913
 914         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
 915         to gimple call error.
 916
 917 2011-02-12  Mike Stump  <mikestump@comcast.net>
 918
 919         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
 920         comments in backslash regions.
 921
 922 2011-02-12  Mike Stump  <mikestump@comcast.net>
 923             Jakub Jelinek  <jakub@redhat.com>
 924             Iain Sandoe  <iains@gcc.gnu.org>
 925
 926         PR target/47324
 927         * dwarf2out.c (output_cfa_loc): When required, apply the
 928         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
 929         (output_loc_sequence): Likewise.
 930         (output_loc_operands_raw): Likewise.
 931         (output_loc_sequence_raw): Likewise.
 932         (output_cfa_loc): Likewise.
 933         (output_loc_list): Suppress register number adjustment when
 934         calling output_loc_sequence()
 935         (output_die): Likewise.
 936
 937 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
 938
 939         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 940         Remove macros.
 941         * config/xtensa/xtensa.c (xtensa_register_move_cost,
 942         xtensa_memory_move_cost): New functions.
 943         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
 944
 945 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
 946
 947         PR lto/47225
 948         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
 949         in the current directory.
 950         * configure: Rebuilt.
 951
 952 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 953
 954         * config/darwin.c (darwin_override_options): Add a hunk missed
 955         from the commit of r168571.  Trim comment line lengths and
 956         correct indents of the preceding block.
 957
 958 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
 959
 960         * gcc.c (driver_handle_option): Concatenate the argument to -F with
 961         the switch.
 962
 963 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 964
 965         * common.opt (nostartfiles): New Driver option.
 966
 967 2011-02-11  Xinliang David Li  <davidxl@google.com>
 968
 969         PR tree-optimization/47707
 970         * tree-chrec.c (convert_affine_scev): Keep type precision.
 971
 972 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
 973
 974         PR tree-optimization/47420
 975         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
 976
 977 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
 978
 979         PR rtl-optimization/47614
 980         * rtl.h (check_for_inc_dec): Declare.
 981         * dse.c (check_for_inc_dec): Externalize...
 982         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
 983         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
 984
 985 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
 986
 987         PR driver/47678
 988         * gcc.c (main): Do not compile inputs if there were errors in
 989         option handling.
 990         * opts-common.c (read_cmdline_option): Check for wrong language
 991         after other error checks.
 992
 993 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
 994
 995         * cgraph.c: Fix comment typos.
 996         * cgraph.h: Likewise.
 997         * cgraphunit.c: Likewise.
 998         * ipa-cp.c: Likewise.
 999         * ipa-inline.c: Likewise.
1000         * ipa-prop.c: Likewise.
1001         * ipa-pure-const.c: Likewise.
1002         * ipa-ref.c: Likewise.
1003         * ipa-reference.c: Likewise.
1004
1005 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR debug/47684
1008         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1009
1010 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1011
1012         PR testsuite/47400
1013         * doc/sourcebuild.texi (Require Support): Document
1014         dg-require-ascii-locale.
1015
1016 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1017
1018         * doc/lto.texi (Write summary): Fix missing parentheses.
1019
1020 2011-02-10  DJ Delorie  <dj@redhat.com>
1021
1022         * config/m32c/m32c.c (m32c_option_override): Disable
1023         -fcombine-stack-adjustments until flag value tracking and compare
1024         optimization can be rewritten.
1025
1026 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1027
1028         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1029         PROCESSOR_POWER7.
1030         (PROCESSOR_DEFAULT64): Likewise.
1031
1032 2011-02-10  Richard Henderson  <rth@redhat.com>
1033
1034         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1035         change from 2011-02-03.
1036         * config/rx/rx.c (flags_from_code): Likewise.
1037         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1038         is valid, n/pz otherwise.
1039         (rx_select_cc_mode): Return CCmode if Y is not zero.
1040
1041 2011-02-10  Richard Guenther  <rguenther@suse.de>
1042
1043         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1044
1045 2011-02-10  Richard Guenther  <rguenther@suse.de>
1046
1047         PR tree-optimization/47677
1048         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1049
1050 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1051
1052         PR target/47665
1053         * combine.c (make_compound_operation): Only change shifts into
1054         multiplication for SCALAR_INT_MODE_P.
1055
1056 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1057
1058         PR testsuite/47622
1059         Revert
1060         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1061         PR debug/42631
1062         * web.c (entry_register): Don't clobber the number of the
1063         first uninitialized reference in used[].
1064
1065 2011-02-09  Richard Guenther  <rguenther@suse.de>
1066
1067         PR tree-optimization/47664
1068         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1069         all edges again.
1070
1071 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1072
1073         PR target/46481
1074         PR target/47032
1075         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1076         PROCESSOR_POWER7.
1077         (PROCESSOR_DEFAULT64): Same.
1078         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1079
1080 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1081
1082         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1083
1084 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1085
1086         PR middle-end/45505
1087         * tree-sra.c (struct access): New flags grp_scalar_read and
1088         grp_scalar_write.  Changed description of assignment read and write
1089         flags.
1090         (dump_access): Dump new flags, reorder all of them.
1091         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1092         to detect multiple scalar reads.
1093         (analyze_access_subtree): Use the new scalar read write flags instead
1094         of the old flags.  Adjusted comments.
1095
1096 2011-02-08  DJ Delorie  <dj@redhat.com>
1097
1098         PR target/47548
1099         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1100         patterns.
1101
1102 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1103
1104         * config/m68k/uclinux.opt: New.
1105         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1106
1107 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1108
1109         * config/cris/elf.opt (sim): New Driver option.
1110
1111 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1112
1113         * config/xtensa/elf.opt: New.
1114         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1115
1116 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1117
1118         * config/vax/elf.opt: New.
1119         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1120
1121 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1122
1123         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1124
1125 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1126
1127         * config/gnu-user.opt: New.
1128         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1129         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1130         *-*-uclinux*): Use gnu-user.opt.
1131
1132 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1133
1134         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1135         * config/i386/gnu.h (CPP_SPEC): Likewise.
1136
1137 2011-02-08  Ian Lance Taylor  <iant@google.com>
1138
1139         * common.opt (fcx-limited-range): Add SetByCombined flag.
1140         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1141         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1142         (fassociative-math, freciprocal-math): Likewise.
1143         (funsafe-math-optimizations): Likewise.
1144         * opth-gen.awk: Handle SetByCombined.
1145         * optc-gen.awk: Likewise.
1146         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1147         (set_unsafe_math_optimizations_flags): Likewise.
1148         * doc/options.texi (Option properties): Document SetByCombined.
1149
1150 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1151
1152         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1153         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1154         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1155         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1156         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1157
1158 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1159
1160         PR tree-optimization/46834
1161         PR tree-optimization/46994
1162         PR tree-optimization/46995
1163         * graphite-sese-to-poly.c (used_outside_reduction): New.
1164         (detect_commutative_reduction): Call used_outside_reduction.
1165         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1166         translate_scalar_reduction_to_array only when at least one
1167         loop-phi/close-phi tuple has been detected.
1168
1169 2011-02-08  Richard Guenther  <rguenther@suse.de>
1170
1171         PR middle-end/47639
1172         * tree-vect-generic.c (expand_vector_operations_1): Update
1173         stmts here ...
1174         (expand_vector_operations): ... not here.  Cleanup EH info
1175         and the CFG if required.
1176
1177 2011-02-08  Richard Guenther  <rguenther@suse.de>
1178
1179         PR tree-optimization/47641
1180         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1181         require type compatibility.
1182
1183 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1184
1185         * gimple-low.c (lower_function_body): Don't remove the location of
1186         the return statement here.
1187         (lower_gimple_return): Do it here instead but only if the return
1188         statement is actually used twice.
1189
1190 2011-02-08  Richard Guenther  <rguenther@suse.de>
1191
1192         PR tree-optimization/47632
1193         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1194         unused up_to_stmt parameter, return whether cfg-cleanup is
1195         necessary, remove EH info properly.
1196         (forward_propagate_into_gimple_cond): Adjust caller.
1197         (forward_propagate_into_cond): Likewise.
1198         (forward_propagate_comparison): Likewise.
1199         (tree_ssa_forward_propagate_single_use_vars): Make
1200         forward_propagate_comparison case similar to the two others.
1201
1202 2011-02-08  Nick Clifton  <nickc@redhat.com>
1203
1204         * config/mn10300/mn10300.opt (mliw): New command line option.
1205         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1206         (liw_bundling): New automaton.
1207         (liw): New attribute.
1208         (liw_op): New attribute.
1209         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1210         (movsi_internal): Add LIW attributes.
1211         (andsi3): Likewise.
1212         (iorsi3): Likewise.
1213         (xorsi3): Likewise.
1214         (addsi3): Separate register and immediate alternatives.
1215         Add LIW attributes.
1216         (subsi3): Likewise.
1217         (cmpsi): Likewise.
1218         (aslsi3): Likewise.
1219         (lshrsi3): Likewise.
1220         (ashrsi3): Likewise.
1221         (liw): New pattern.
1222         * config/mn10300/mn10300.c (liw_op_names): New
1223         (mn10300_print_operand): Handle 'W' operand descriptor.
1224         (extract_bundle): New function.
1225         (check_liw_constraints): New function.
1226         (liw_candidate): New function.
1227         (mn10300_bundle_liw): New function.
1228         (mn10300_reorg): New function.
1229         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1230         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1231         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1232         __LIW__ or __NO_LIW__.
1233         * doc/invoke.texi: Describe the -mliw command line option.
1234
1235 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1236
1237         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1238         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1239         pthread_mutex_unlock): Remove.
1240         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1241         * config/pa/t-pa64: Likewise.
1242         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1243         shared libc if not linking against libpthread.
1244         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1245
1246 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1247
1248         PR target/47558
1249         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1250         on 10.6 and later to ensure that we always use the unwinder from
1251         the system.  Only add -no_compact_unwind when tarteting darwin
1252         10.6 or later.
1253
1254 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1255
1256         PR target/46997
1257         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1258         (vec_interleave_lowv2sf): Ditto.
1259         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1260         (vec_extract_oddv2sf): Ditto.
1261
1262 2011-02-07  Mike Stump  <mikestump@comcast.net>
1263
1264         PR target/42333
1265         Add __ieee_divdc3 entry point.
1266         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1267         entry point.
1268         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1269         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1270         * config/darwin.c (darwin_rename_builtins): Add.
1271         * config/darwin-protos.h (darwin_rename_builtins): Add.
1272
1273 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1274
1275         PR target/47636
1276         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1277         for the condition.
1278
1279 2011-02-07  Mike Stump  <mikestump@comcast.net>
1280
1281         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1282
1283 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1284
1285         PR target/47534
1286         * config/avr/libgcc.S (exit): Move .endfunc
1287
1288 2011-02-07  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/47615
1291         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1292         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1293         (run_scc_vn): Initialize it.
1294         (visit_reference_op_load): Use it.
1295         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1296
1297 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1298
1299         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1300         DImode trapping arithmetic libfuncs.
1301
1302 2011-02-07  Richard Guenther  <rguenther@suse.de>
1303
1304         PR tree-optimization/47621
1305         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1306         two duplicates ...
1307         (execute_update_addresses_taken): ... here.  Make it more
1308         conservative in what we accept.
1309
1310 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1311
1312         * config/sparc/freebsd.h (ASM_SPEC): Define.
1313         * config/sparc/vxworks.h (ASM_SPEC): Define.
1314
1315 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1316
1317         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1318
1319 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1320
1321         * doc/invoke.texi: Remove reference to compiler internals from
1322         user documentation.
1323
1324         * reg-notes.def: Remove REG_VALUE_PROFILE.
1325         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1326
1327 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1328
1329         PR middle-end/47610
1330         * varasm.c (default_section_type_flags): If decl is NULL,
1331         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1332
1333 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1334
1335         PR debug/42631
1336         * web.c (entry_register): Don't clobber the number of the
1337         first uninitialized reference in used[].
1338
1339 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1340
1341         PR tree-optimization/46194
1342         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1343         (build_classic_dist_vector_1): Do not represent classic distance
1344         vectors when the access functions are variating in different loops.
1345
1346 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1347
1348         * config/mips/iris6.opt: New.
1349         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1350
1351 2011-02-04  Richard Henderson  <rth@redhat.com>
1352             Steve Ellcey  <sje@cup.hp.com>
1353
1354         PR target/46997
1355         * config/ia64/predicates.md (mux1_brcst_element): New.
1356         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1357         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1358         (ia64_unpack_sign): New.
1359         (ia64_expand_unpack): Rewrite using new routines.
1360         (ia64_expand_widen_sum): Ditto.
1361         (ia64_expand_dot_prod_v8qi): Ditto.
1362         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1363         routines, add endian check.
1364         (pmpy2_even): Rename from pmpy2_r, add endian check.
1365         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1366         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1367         (vec_widen_smult_hi_v4hi): Ditto.
1368         (vec_widen_umult_lo_v4hi): Ditto.
1369         (vec_widen_umult_hi_v4hi): Ditto.
1370         (mulv2si3): Change endian checks.
1371         (sdot_prodv4hi): Rewrite with new calls.
1372         (udot_prodv4hi): New.
1373         (vec_pack_ssat_v4hi): Add endian check.
1374         (vec_pack_usat_v4hi): Ditto.
1375         (vec_pack_ssat_v2si): Ditto.
1376         (max1_even): Rename from max1_r, add endian check.
1377         (max1_odd): Rename from max1_l, add endian check.
1378         (*mux1_rev): Format change.
1379         (*mux1_mix): Ditto.
1380         (*mux1_shuf): Ditto.
1381         (*mux1_alt): Ditto.
1382         (*mux1_brcst_v8qi): Use new predicate.
1383         (vec_extract_evenv8qi): Remove endian check.
1384         (vec_extract_oddv8qi): Ditto.
1385         (vec_interleave_lowv4hi): Format change.
1386         (vec_interleave_highv4hi): Ditto.
1387         (mix2_even): Rename from mix2_r, add endian check.
1388         (mix2_odd): Rename from mux2_l, add endian check.
1389         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1390         (vec_extract_evenodd_helper): Format change.
1391         (vec_extract_evenv4hi): Remove endian check.
1392         (vec_extract_oddv4hi): Remove endian check.
1393         (vec_interleave_lowv2si): Format change.
1394         (vec_interleave_highv2si): Format change.
1395         (vec_initv2si): Remove endian check.
1396         (vecinit_v2si): Add endian check.
1397         (reduc_splus_v2sf): Add endian check.
1398         (reduc_smax_v2sf): Ditto.
1399         (reduc_smin_v2sf): Ditto.
1400         (vec_initv2sf): Remove endian check.
1401         (fpack): Add endian check.
1402         (fswap): Add endian check.
1403         (vec_interleave_highv2sf): Add endian check.
1404         (vec_interleave_lowv2sf): Add endian check.
1405         (fmix_lr): Add endian check.
1406         (vec_setv2sf): Format change.
1407         (*vec_extractv2sf_0_be): Use shift to extract operand.
1408         (*vec_extractv2sf_1_be): New.
1409         (vec_pack_trunc_v4hi): Add endian check.
1410         (vec_pack_trunc_v2si): Format change.
1411
1412 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1413
1414         PR inline-asm/23200
1415         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1416         do bb, locus and block comparison and disallow loads if it is not set.
1417         (stmt_is_replaceable_p): New function.
1418         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1419         callers.
1420         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1421         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1422         SSA_NAME_DEF_STMT.
1423         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1424
1425 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1426
1427         * config/rs6000/xilinx.opt: New.
1428         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1429
1430 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1431
1432         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1433
1434 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1435
1436         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1437         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1438         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1439         secondary_reload_info, xtensa_secondary_reload): Remove.
1440         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1441         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1442         (xtensa_preferred_reload_class): Make static. Change return and
1443         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1444         Use CONST_DOUBLE_P predicate.
1445         (xtensa_preferred_output_reload_class): New function.
1446         (xtensa_secondary_reload): Make static.
1447
1448 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1449
1450         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1451         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1452         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1453
1454 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1455
1456         PR middle-end/31490
1457         * output.h (SECTION_RELRO): Define.
1458         (SECTION_MACH_DEP): Adjust.
1459         (get_variable_section): New prototype.
1460         * varpool.c (varpool_finalize_named_section_flags): New function.
1461         (varpool_assemble_pending_decls): Call it.
1462         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1463         * cgraphunit.c (cgraph_output_in_order): Call
1464         varpool_finalize_named_section_flags.
1465         * varasm.c (get_section): Allow section flags conflicts between
1466         relro and read-only sections if the section hasn't been declared yet.
1467         Set SECTION_OVERRIDE after diagnosing section type conflict.
1468         (get_variable_section): No longer static.
1469         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1470         readonly sections that need relocations.
1471         (decl_readonly_section_1): New function.
1472         (decl_readonly_section): Use it.
1473
1474         Revert:
1475         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1476                     Steve Ellcey  <sje@cup.hp.com>
1477
1478         PR middle-end/31490
1479         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1480         if section attribute used.
1481
1482 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1483
1484         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1485         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1486         (darwin_init_sections): Remove assertion.
1487
1488 2011-02-03  Nick Clifton  <nickc@redhat.com>
1489
1490         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1491         lt and ge.
1492         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1493         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1494         instead of "n" and "pz".
1495         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1496         CC_FLAG_S.
1497
1498 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1499
1500         PR target/47312
1501         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1502         fma, expand FMA_EXPR as fma{,f,l} call.
1503
1504         PR lto/47274
1505         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1506         copy them into a unsigned char variable and pass address of it to
1507         lto_output_data_stream.
1508
1509         PR target/47564
1510         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1511         around backend_init_target and lang_dependent_init_target calls.
1512         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1513         (verify_cgraph_node): Don't call set_cfun here.  Use
1514         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1515         Set error_found for incorrectly represented calls to thunks.
1516
1517 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1518
1519         PR debug/43092
1520         PR rtl-optimization/43494
1521         * rtl.h (for_each_inc_dec_fn): New type.
1522         (for_each_inc_dec): Declare.
1523         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1524         (for_each_inc_dec_find_inc_dec): New fn.
1525         (for_each_inc_dec_find_mem): New fn.
1526         (for_each_inc_dec): New fn.
1527         * dse.c (struct insn_size): Remove.
1528         (replace_inc_dec, replace_inc_dec_mem): Remove.
1529         (emit_inc_dec_insn_before): New fn.
1530         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1531         (canon_address): Pass mem modes to cselib_lookup.
1532         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1533         (cselib_lookup_from_insn): Likewise.
1534         (cselib_subst_to_values): Likewise.
1535         * cselib.c (find_slot_memmode): New var.
1536         (cselib_find_slot): New fn.  Use it instead of
1537         htab_find_slot_with_hash everywhere.
1538         (entry_and_rtx_equal_p): Use find_slot_memmode.
1539         (autoinc_split): New fn.
1540         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1541         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1542         Deal with autoinc.  Special-case recursion into MEMs.
1543         (cselib_hash_rtx): Likewise.
1544         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1545         address and MEM modes.
1546         (cselib_subst_to_values): Add memmode, pass it on.
1547         Deal with autoinc.
1548         (cselib_lookup): Add memmode argument, pass it on.
1549         (cselib_lookup_from_insn): Add memmode.
1550         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1551         (struct cselib_record_autoinc_data): New.
1552         (cselib_record_autoinc_cb): New fn.
1553         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1554         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1555         (cselib_process_insn): ... here.
1556         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1557         to cselib_lookup.
1558         (add_uses): Likewise, also to cselib_subst_to_values.
1559         (add_stores): Likewise.
1560         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1561         cselib_subst_to_values.
1562         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1563         * gcse.c (do_local_cprop): Adjusted.
1564         * postreload.c (reload_cse_simplify_set): Adjusted.
1565         (reload_cse_simplify_operands): Adjusted.
1566         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1567
1568 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1569
1570         PR tree-optimization/45122
1571         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1572         unsafe assumptions when there's more than one loop exit.
1573
1574 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1575
1576         PR target/47272
1577         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1578         Document using vector double with the load/store builtins, and
1579         that the load/store builtins always use Altivec instructions.
1580
1581         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1582         to use altivec memory instructions, even on VSX.
1583         (vector_altivec_store_<mode>): Ditto.
1584
1585         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1586         function.
1587
1588         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1589         V2DF, V2DI support to load/store overloaded builtins.
1590
1591         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1592         altivec load/store builtins for V2DF/V2DI types.
1593
1594         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1595         set avoid indexed addresses on power6 if -maltivec.
1596         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1597         vector_altivec_load/vector_altivec_store builtins.
1598         (altivec_expand_st_builtin): Ditto.
1599         (altivec_expand_builtin): Add VSX memory builtins.
1600         (rs6000_init_builtins): Add V2DI types to internal types.
1601         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1602         load/store builtins.
1603         (rs6000_address_for_altivec): Insure memory address is appropriate
1604         for Altivec.
1605
1606         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1607         vec_vsx_ld and vec_vsx_st.
1608         (vsx_store_<mode>): Ditto.
1609
1610         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1611         variables to hold long long types for VSX vector memory builtins.
1612         (RS6000_BTI_unsigned_long_long): Ditto.
1613         (long_long_integer_type_internal_node): Ditti.
1614         (long_long_unsigned_type_internal_node): Ditti.
1615
1616         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1617         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1618         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1619
1620         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1621         short cuts.
1622         (vec_vsx_st): Ditto.
1623
1624 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1625
1626         * config/pa/pa-hpux10.opt: New.
1627         * config/hpux11.opt (pthread): New Driver option.
1628         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1629         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1630
1631 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1632
1633         * config/ia64/vms.opt: New.
1634         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1635
1636 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1637
1638         PR target/47580
1639         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1640         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1641         generator functions.
1642         (vsx_floatuns<VSi><mode>2): Ditto.
1643         (vsx_fix_trunc<mode><VSi>2): Ditto.
1644         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1645
1646 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1647
1648         * config/i386/djgpp.opt (posix): New Driver option.
1649
1650 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1651
1652         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1653         Move to the unsupported targets list.
1654
1655 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1656
1657         PR rtl-optimization/47525
1658         * df-scan.c: Update copyright years.
1659         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1660         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
1661
1662 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1663
1664         * config/i386/sysv4.h (TARGET_VERSION): Remove.
1665         (SUBTARGET_RETURN_IN_MEMORY): Remove.
1666         (ASM_OUTPUT_ASCII): Remove.
1667         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
1668
1669 2011-02-02  Jeff Law  <law@redhat.com>
1670
1671         PR middle-end/47543
1672         * reload.c (find_reloads_address): Handle reg+d address where both
1673         components are invalid by reloading the entire address.
1674
1675 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1676             Richard Guenther  <rguenther@suse.de>
1677
1678         PR tree-optimization/40979
1679         PR bootstrap/47044
1680         * passes.c (init_optimization_passes): After LIM call copy_prop
1681         and DCE to clean up.
1682         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
1683
1684 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
1685
1686         PR tree-optimization/47576
1687         PR tree-optimization/47555
1688         * doc/invoke.texi (scev-max-expr-complexity): Documented.
1689         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1690         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
1691         * tree-scalar-evolution.c (follow_ssa_edge): Use
1692         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
1693
1694 2011-02-02  Richard Guenther  <rguenther@suse.de>
1695
1696         PR tree-optimization/47566
1697         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
1698
1699 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1700
1701         PR debug/47106
1702         PR debug/47402
1703         * tree-inline.c (declare_return_variable): Remove unused caller
1704         variable.
1705
1706         PR debug/47106
1707         PR debug/47402
1708         * tree-flow-inline.h (clear_is_used, is_used_p): New.
1709         * cfgexpand.c (account_used_vars_for_block): Use them.
1710         * tree-nrv.c (tree_nrv): Likewise.
1711         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
1712         (dump_scope_block): Likewise.
1713         (remove_unused_locals): Likewise.
1714
1715         PR debug/47106
1716         PR debug/47402
1717         * tree-inline.c (declare_return_variable): Add result decl to
1718         local decls only once.
1719         * gimple-low.c (record_vars_into): Mark newly-created variables
1720         as referenced.
1721
1722 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
1723
1724         PR debug/47498
1725         PR debug/47501
1726         PR debug/45136
1727         PR debug/45130
1728         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1729         debug insns.
1730         (no_real_insns_p, schedule_block, set_priorities): Drop special
1731         treatment of boundary debug insns.
1732         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1733         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
1734         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1735         (BOUNDARY_DEBUG_INSN_P): Likewise.
1736         (SCHEDULE_DEBUG_INSN_P): Likewise.
1737         * sched-rgn.c (init_ready_list): Drop special treatment of
1738         boundary debug insns.
1739         * final.c (rest_of_clean_state): Clear notes' BB.
1740
1741 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1742
1743         * config/openbsd.opt (assert=): New Driver option.
1744
1745 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1746
1747         * config/i386/nto.opt: New.
1748         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
1749
1750 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1751
1752         * config/i386/netware.opt: New.
1753         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
1754
1755 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1756
1757         * config/interix.opt (posix): New Driver option.
1758
1759 2011-02-01  DJ Delorie  <dj@redhat.com>
1760
1761         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
1762
1763         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
1764         class for A0/A1.
1765
1766 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
1767
1768         PR tree-optimization/47561
1769         * toplev.c (process_options): Print the Graphite flags.  Add
1770         flag_loop_flatten to the list of options requiring Graphite.
1771
1772 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1773
1774         * config/i386/cygming.opt (posix): New Driver option.
1775
1776 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1777
1778         * config/arm/vxworks.opt: New.
1779         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
1780
1781 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
1782
1783         * config/alpha/elf.opt: New.
1784         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
1785         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
1786
1787 2011-02-01  Richard Guenther  <rguenther@suse.de>
1788
1789         PR tree-optimization/47559
1790         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
1791         store-motion on references that can throw.
1792
1793 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
1794
1795         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
1796         * tree-pass.h (TDF_CSELIB): New macro.
1797         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
1798         cselib_lookup): Check for it rather than for TDF_DETAILS.
1799
1800 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
1801
1802         PR driver/47547
1803         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
1804         is HOST_BIT_BUCKET.
1805
1806         * opts.c (finish_options): Don't add x_aux_base_name if it is
1807         HOST_BIT_BUCKET.
1808
1809 2011-02-01  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/47555
1812         Revert
1813         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
1814
1815         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
1816
1817 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
1818
1819         PR gcc/46692
1820         * config/lm32/t-lm32: Add multilib for all CPU options.
1821
1822 2011-02-01  Richard Guenther  <rguenther@suse.de>
1823
1824         PR tree-optimization/47541
1825         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1826         sure to have a field at offset zero.
1827
1828 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1829
1830         * config/arc/arc.opt (EB, EL): New Driver options.
1831
1832 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1833
1834         * config/alpha/osf5.opt: New.
1835         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
1836
1837 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
1838
1839         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
1840
1841 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
1842
1843         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
1844         -floop-interchange.
1845         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
1846         is an alias of -floop-interchange and that it requires the
1847         Graphite infrastructure.
1848         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
1849         flag_loop_interchange based on the value of flag_tree_loop_linear.
1850
1851 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
1852             Richard Guenther  <rguenther@suse.de>
1853
1854         PR tree-optimization/47538
1855         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
1856         type instead of r1type, except for comparisons.  For right
1857         shifts and comparisons punt if there are mismatches in
1858         sizetype vs. non-sizetype types.
1859
1860 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1861
1862         * doc/sourcebuild.texi (Effective-Target Keywords): Document
1863         avx_runtime.
1864
1865 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1866
1867         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
1868         version number.
1869         * configure: Regenerate.
1870
1871 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1872
1873         * configure.ac (gcc_cv_ld_static_option): Define.
1874         (gcc_cv_ld_dynamic_option): Define.
1875         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
1876         instead.
1877         (HAVE_LD_STATIC_DYNAMIC): Update message.
1878         (LD_STATIC_OPTION): Define.
1879         (LD_DYNAMIC_OPTION): Define.
1880         * configure: Regenerate.
1881         * config.in: Regenerate.
1882         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
1883         HAVE_LD_STATIC_DYNAMIC]: Use them.
1884
1885 2011-01-31  Nick Clifton  <nickc@redhat.com>
1886
1887         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
1888         registers inside interrupt handlers if the handler is not a leaf
1889         function.
1890
1891 2011-01-31  Nick Clifton  <nickc@redhat.com>
1892
1893         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
1894         reg_renumber returning an INVALID_REGNUM.
1895
1896 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1897
1898         PR libgcj/44341
1899         * doc/install.texi: Document host options discarded when cross
1900         configuring target libraries.
1901
1902 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
1903
1904         Reverted:
1905         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
1906         PR debug/45136
1907         PR debug/45130
1908         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
1909         debug insns.
1910         (no_real_insns_p, schedule_block, set_priorities): Drop special
1911         treatment of boundary debug insns.
1912         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
1913         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
1914         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
1915         (BOUNDARY_DEBUG_INSN_P): Likewise.
1916         (SCHEDULE_DEBUG_INSN_P): Likewise.
1917         * sched-rgn.c (init_ready_list): Drop special treatment of
1918         boundary debug insns.
1919         * final.c (rest_of_clean-state): Clear notes' BB.
1920
1921 2011-01-31  Alan Modra  <amodra@gmail.com>
1922
1923         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
1924         toc relative expressions as we do in print_operand_address.
1925
1926 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
1927
1928         * doc/extend.texi: Follow spelling conventions.
1929         * doc/invoke.texi: Fix a typo.
1930
1931 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
1932
1933         * config/hpux11.opt: New.
1934         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
1935         ia64*-*-hpux*): Use hpux11.opt.
1936
1937 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
1938
1939         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
1940         to tmake_file.
1941
1942 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1943
1944         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
1945         support sites.
1946
1947 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1948
1949         * doc/install.texi (Binaries): Remove outdated reference for
1950         Motorola 68HC11/68HC12 downloads.
1951
1952 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
1953
1954         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
1955         Drepper's paper.
1956
1957 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
1958
1959         PR bootstrap/47147
1960         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
1961         used by NetBSD.
1962
1963 2011-01-28  Ahmad Sharif  <asharif@google.com>
1964
1965         * value-prof.c (check_counter): Corrected error message.
1966
1967 2011-01-29  Jie Zhang  <jie@codesourcery.com>
1968
1969         * config/arm/arm.c (arm_legitimize_reload_address): New.
1970         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
1971         arm_legitimize_reload_address.
1972         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
1973
1974 2011-01-28  Ian Lance Taylor  <iant@google.com>
1975
1976         * godump.c (go_define): Ignore macros whose definitions include
1977         two adjacent operands.
1978
1979 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
1980
1981         PR target/42894
1982         * varasm.c (force_const_mem): Store copy of x in desc->constant
1983         instead of x itself.
1984         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
1985         itself into REG_EQUAL note.
1986
1987 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
1988
1989         * config/freebsd.opt (posix, rdynamic): New Driver options.
1990
1991 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1992
1993         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
1994         -Bstatic/-Bdynamic.
1995         * configure: Regenerate.
1996
1997 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
1998
1999         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2000         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2001
2002 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2003
2004         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2005         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2006         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2007         (s390_preferred_reload_class): Make static. Change return and
2008         'rclass' argument type to reg_class_t.
2009
2010 2011-01-27  Jan Hubicka  <jh@suse.cz>
2011
2012         PR middle-end/46949
2013         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2014         (process_function_and_variable_attributes): Check defined weakrefs.
2015
2016 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2017
2018         PR tree-optimization/47228
2019         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2020         build_ref_for_offset.
2021
2022 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2023
2024         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2025
2026 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2027
2028         PR rtl-optimization/46856
2029         * postreload.c (reload_combine_recognize_const_pattern): Do not
2030         separate cc0 setter and user on cc0 targets.
2031
2032 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2033
2034         PR c/43082
2035         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2036         passed a VOID_TYPE expression, immediately emit an error and
2037         return error_mark_node.
2038
2039 2011-01-26  Jeff Law  <law@redhat.com>
2040
2041         PR rtl-optimization/47464
2042         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2043         rather than may_trap_p as needed.
2044
2045 2011-01-26  DJ Delorie  <dj@redhat.com>
2046
2047         PR rtl-optimization/46878
2048         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2049         setter/user dependency as well.
2050
2051 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2052
2053         PR rtl-optimization/44469
2054         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2055         after removing trivially dead basic blocks.
2056
2057 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2058
2059         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2060         * config/frv/frv.h (LINK_SPEC): Likewise.
2061         * config/i386/netware.h (LINK_SPEC): Likewise.
2062         * config/m68k/linux.h (ASM_SPEC): Likewise.
2063         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2064         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2065         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2066         * config/sparc/linux.h (ASM_SPEC): Likewise.
2067         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2068         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2069
2070 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2071
2072         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2073         * config/frv/frv.h (ASM_SPEC): Likewise.
2074         * config/m68k/linux.h (ASM_SPEC): Likewise.
2075         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2076         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2077         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2078         * config/sparc/linux.h (ASM_SPEC): Likewise.
2079         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2080         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2081
2082 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2083
2084         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2085         * config/frv/frv.h (LINK_SPEC): Likewise.
2086         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2087
2088 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2089
2090         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2091         * config/frv/frv.h (ASM_SPEC): Likewise.
2092         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2093         * config/m68k/linux.h (ASM_SPEC): Likewise.
2094         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2095         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2096         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2097         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2098         * config/sparc/linux.h (ASM_SPEC): Likewise.
2099         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2100         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2101         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2102
2103 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2104
2105         PR target/46997
2106         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2107         (*mux2): Ditto.
2108         (vec_extract_evenodd_help): Ditto.
2109         (vec_extract_evenv4hi): Ditto.
2110         (vec_extract_oddv4hi): Ditto.
2111         (vec_interleave_lowv2si): Ditto.
2112         (vec_interleave_highv2si): Ditto.
2113         (vec_extract_evenv2si): Ditto.
2114         (vec_extract_oddv2si: Ditto.
2115         (vec_pack_trunc_v2si): Ditto.
2116
2117 2011-01-22  Jan Hubicka  <jh@suse.cz>
2118
2119         PR target/47237
2120         * cgraph.h (cgraph_local_info): New field can_change_signature.
2121         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2122         signature can change.
2123         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2124         can change.
2125         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2126         (cgraph_function_versioning): We can not change signature of functions
2127         that don't allow that.
2128         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2129         (lto_input_node): Likewise.
2130         * ipa-inline.c (compute_inline_parameters): Compute
2131         local.can_change_signature.
2132         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2133         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2134         functions that can not change signature.
2135         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2136         init_cumulative_args): Do not use local calling conventions
2137         for functions that can not change signature.
2138
2139 2011-01-22  Jan Hubicka  <jh@suse.cz>
2140
2141         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2142
2143 2011-01-26  Richard Guenther  <rguenther@suse.de>
2144
2145         PR tree-optimization/47190
2146         * cgraphunit.c (process_common_attributes): New function.
2147         (process_function_and_variable_attributes): Use it.
2148
2149 2011-01-26  Richard Guenther  <rguenther@suse.de>
2150
2151         PR lto/47423
2152         * cgraphbuild.c (record_eh_tables): Record reference to personality
2153         function.
2154
2155 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2156
2157         PR debug/45454
2158         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2159         non-debug insns from moving up.
2160
2161 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2162
2163         PR target/40125
2164         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2165         t-dlldir{,-x} fragment for build and add it to tmake_file.
2166         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2167         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2168         * config/i386/t-dlldir: New file.
2169         (SHLIB_DLLDIR): Define.
2170         * config/i386/t-dlldir-x: New file.
2171         (SHLIB_DLLDIR): Define.
2172         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2173         (SHLIB_INSTALL): Use it.
2174
2175 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2176
2177         PR target/47246
2178         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2179         lower bound of the allowed Thumb-2 coprocessor load/store
2180         index range to -256. Add explaining comment.
2181
2182 2011-01-25  Ian Lance Taylor  <iant@google.com>
2183
2184         * godump.c (go_define): Improve lexing of macro expansion to only
2185         accept expressions which match Go spec.
2186
2187 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2188
2189         PR c++/43601
2190         * tree.c (handle_dll_attribute): Handle it.
2191         * doc/extend.texi (@item dllexport): Mention it.
2192         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2193
2194 2011-01-25  Ian Lance Taylor  <iant@google.com>
2195
2196         PR tree-optimization/26854
2197         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2198         (decl_jump_unsafe): Move higher in file, with no other change.
2199         (bind): Set has_jump_unsafe_decl if appropriate.
2200         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2201         (check_earlier_gotos): Likewise.
2202         (c_check_switch_jump_warnings): Likewise.
2203
2204 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2205
2206         * doc/invoke.texi (Warning Options): Add missing hyphen.
2207         (-fprofile-dir): Minor grammatical fixes.
2208         (-fbranch-probabilities): Likewise.
2209
2210 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2211
2212         PR debug/45136
2213         PR debug/45130
2214         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2215         debug insns.
2216         (no_real_insns_p, schedule_block, set_priorities): Drop special
2217         treatment of boundary debug insns.
2218         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2219         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2220         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2221         (BOUNDARY_DEBUG_INSN_P): Likewise.
2222         (SCHEDULE_DEBUG_INSN_P): Likewise.
2223         * sched-rgn.c (init_ready_list): Drop special treatment of
2224         boundary debug insns.
2225         * final.c (rest_of_clean-state): Clear notes' BB.
2226
2227 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2228
2229         * Makefile.in (LAMBDA_H): Removed.
2230         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2231         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2232         lambda-trans.o, and tree-loop-linear.o.
2233         (lto-symtab.o): Remove dependence on LAMBDA_H.
2234         (tree-loop-linear.o): Remove rule.
2235         (lambda-mat.o): Same.
2236         (lambda-trans.o): Same.
2237         (lambda-code.o): Same.
2238         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2239         (tree-vect-slp.o): Same.
2240         * hwint.h (gcd): Moved here.
2241         (least_common_multiple): Same.
2242         * lambda-code.c: Removed.
2243         * lambda-mat.c: Removed.
2244         * lambda-trans.c: Removed.
2245         * lambda.h: Removed.
2246         * tree-loop-linear.c: Removed.
2247         * lto-symtab.c: Do not include lambda.h.
2248         * omega.c (gcd): Removed.
2249         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2250         * tree-data-ref.c (print_lambda_vector): Moved here.
2251         (lambda_vector_copy): Same.
2252         (lambda_matrix_copy): Same.
2253         (lambda_matrix_id): Same.
2254         (lambda_vector_first_nz): Same.
2255         (lambda_matrix_row_add): Same.
2256         (lambda_matrix_row_exchange): Same.
2257         (lambda_vector_mult_const): Same.
2258         (lambda_vector_negate): Same.
2259         (lambda_matrix_row_negate): Same.
2260         (lambda_vector_equal): Same.
2261         (lambda_matrix_right_hermite): Same.
2262         * tree-data-ref.h: Do not include lambda.h.
2263         (lambda_vector): Moved here.
2264         (lambda_matrix): Same.
2265         (dependence_level): Same.
2266         (lambda_transform_legal_p): Removed declaration.
2267         (lambda_collect_parameters): Same.
2268         (lambda_compute_access_matrices): Same.
2269         (lambda_vector_gcd): Same.
2270         (lambda_vector_new): Same.
2271         (lambda_vector_clear): Same.
2272         (lambda_vector_lexico_pos): Same.
2273         (lambda_vector_zerop): Same.
2274         (lambda_matrix_new): Same.
2275         * tree-flow.h (least_common_multiple): Removed declaration.
2276         * tree-parloops.c (lambda_trans_matrix): Moved here.
2277         (LTM_MATRIX): Same.
2278         (LTM_ROWSIZE): Same.
2279         (LTM_COLSIZE): Same.
2280         (LTM_DENOMINATOR): Same.
2281         (lambda_trans_matrix_new): Same.
2282         (lambda_matrix_vector_mult): Same.
2283         (lambda_transform_legal_p): Same.
2284         * tree-pass.h (pass_linear_transform): Removed declaration.
2285         * tree-ssa-loop.c (tree_linear_transform): Removed.
2286         (gate_tree_linear_transform): Removed.
2287         (pass_linear_transform): Removed.
2288         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2289         flag_loop_interchange.
2290
2291 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2292
2293         PR tree-optimization/47265
2294         PR tree-optimization/47443
2295         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2296         if name still has some uses.
2297
2298 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2299
2300         PR tree-optimization/47382
2301         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2302         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2303
2304 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2305
2306         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2307         sjlj_except_unwind_info.
2308
2309 2011-01-25  Richard Guenther  <rguenther@suse.de>
2310
2311         PR tree-optimization/47426
2312         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2313         visible functions results escape.
2314
2315 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2316
2317         PR target/45701
2318         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2319         (arm_get_frame_offsets): Use it.
2320
2321 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2322             Jakub Jelinek  <jakub@redhat.com>
2323
2324         PR tree-optimization/47271
2325         * tree-if-conv.c (bb_postdominates_preds): New.
2326         (if_convertible_bb_p): Call bb_postdominates_preds.
2327         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2328         (predicate_scalar_phi): Call bb_postdominates_preds.
2329
2330 2011-01-25  Nick Clifton  <nickc@redhat.com>
2331
2332         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2333         * config/rx/rx.c (rx_function_value): Likewise.
2334         (rx_promote_function_mode): Likewise.
2335         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2336         in order to make it legitimate.
2337         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2338         make sure that the first operand is the same as the result register.
2339         (addsi3_unspec): Delete.
2340         (subdi3): Do not accept immediate operands.
2341         (subdi3_internal): Likewise.
2342
2343 2011-01-25  Jeff Law  <law@redhat.com>
2344
2345         PR rtl-optimization/37273
2346         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2347         handle them like argument loads from stack slots.  Do not double
2348         count memory for memory constants and argument loads from stack slots.
2349
2350 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2351
2352         PR tree-optimization/47427
2353         PR tree-optimization/47428
2354         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2355         coalesce if the new root var would be TREE_READONLY.
2356
2357 2011-01-25  Richard Guenther  <rguenther@suse.de>
2358
2359         PR middle-end/47414
2360         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2361         correct type for TBAA.
2362
2363 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2364
2365         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2366         (close_phi_written_to_memory): Call for_each_index with
2367         dr_indices_valid_in_loop.
2368
2369 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2370
2371         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2372         when it is initialized.
2373
2374 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2375
2376         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2377         call to graphite_find_data_references_in_stmt.
2378         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2379         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2380         call to graphite_find_data_references_in_stmt.
2381         (analyze_drs_in_stmts): Same.
2382         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2383         in which the scalar analysis of indices is performed.
2384         (create_data_ref): Same.  Update call to dr_analyze_indices.
2385         (find_data_references_in_stmt): Update call to create_data_ref.
2386         (graphite_find_data_references_in_stmt): Same.
2387         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2388         declaration.
2389         (create_data_ref): Same.
2390         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2391         call to create_data_ref.
2392
2393 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2394
2395         * graphite-sese-to-poly.c (build_poly_scop): Move
2396         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2397
2398 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2399
2400         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2401         VAR_DECL, PARM_DECL, and RESULT_DECL.
2402
2403 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2404
2405         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2406         in a reduction PBB.
2407         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2408         that have already been marked as PBB_IS_REDUCTION.
2409
2410 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2411
2412         * graphite-scop-detection.c (same_close_phi_node): New.
2413         (remove_duplicate_close_phi): New.
2414         (make_close_phi_nodes_unique): New.
2415         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2416
2417 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2418
2419         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2420         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2421         of both data references to be the same.
2422
2423 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2424
2425         * graphite-dependences.c (build_lexicographical_constraint): Remove
2426         the gdim parameter.
2427         (build_lexicographical_constraint): Adjust call to
2428         ppl_powerset_is_empty.
2429         (dependence_polyhedron): Same.
2430         (graphite_legal_transform_dr): Same.
2431         (graphite_carried_dependence_level_k): Same.
2432         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2433         parameter.
2434         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2435
2436 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2437
2438         * graphite-sese-to-poly.c
2439         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2440         (close_phi_written_to_memory): New.
2441         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2442         and unshare_expr.
2443
2444 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2445
2446         * doc/install.texi: Update the expected version number of PPL to 0.11.
2447         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2448         #if PPL_VERSION_MINOR < 11.
2449
2450 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2451
2452         * graphite-dependences.c: Include graphite-cloog-util.h.
2453         (new_poly_ddr): Inlined into dependence_polyhedron.
2454         (free_poly_ddr): Moved close by new_poly_ddr.
2455         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2456         Early return NULL when ppl_powerset_is_empty returns true.
2457         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2458         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2459         (graphite_legal_transform_dr): Call new_poly_ddr.
2460         (graphite_carried_dependence_level_k): Same.
2461         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2462         (dot_transformed_deps_stmt_1): Removed.
2463         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2464         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2465         (dot_deps_1): Call dot_deps_2.
2466         * Makefile.in (graphite-dependences.o): Add missing dependence on
2467         graphite-cloog-util.h.
2468
2469 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2470
2471         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2472         (build_lexicographical_constraint): Same.
2473         (dependence_polyhedron_1): Same.
2474         (graphite_legal_transform_dr): Same.
2475         (graphite_carried_dependence_level_k): Same.
2476         * graphite-ppl.c (ppl_powerset_is_empty): New.
2477         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2478         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2479
2480 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2481
2482         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2483         the "a followed by b" relation and document it.
2484
2485 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2486
2487         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2488         iteration when the bag of constraints is empty.
2489
2490 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2491
2492         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2493
2494 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2495
2496         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2497         nest and two loop depths as parameters.
2498         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2499         lst_perfect_nestify.
2500
2501 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2502
2503         * graphite-dependences.c (print_pddr): Call
2504         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2505
2506 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2507
2508         * graphite-ppl.c (debug_gmp_value): New.
2509         * graphite-ppl.h (debug_gmp_value): Declared.
2510
2511 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2512
2513         * doc/install.texi: Document availability of cloog-0.16.
2514
2515 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2516
2517         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2518         invalid postdominance info.
2519
2520 2011-01-24  Jan Hubicka  <jh@suse.cz>
2521
2522         PR c/21659
2523         * doc/extend.texi (weak pragma): Drop claim that it must
2524         appear before definition.
2525         * varasm.c (merge_weak, declare_weak): Only sanity check
2526         that DECL is not output at a time it is declared weak.
2527
2528 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2529
2530         * machmode.def: Fixed comments.
2531
2532 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2533
2534         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2535
2536 2011-01-24  Paul Koning  <ni1d@arrl.net>
2537
2538         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2539         WORDS_BIG_ENDIAN.
2540
2541 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2542
2543         PR target/46519
2544         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2545         (block_info): Add scanned and prev.
2546         (move_or_delete_vzeroupper_2): Return if the basic block
2547         has been scanned and the upper 128bit state is unchanged
2548         from the last scan.
2549         (move_or_delete_vzeroupper_1): Return true if the exit
2550         state is changed.
2551         (move_or_delete_vzeroupper): Visit basic blocks using the
2552         work-list based algorithm based on vt_find_locations in
2553         var-tracking.c.
2554
2555         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2556
2557 2011-01-24  Nick Clifton  <nickc@redhat.com>
2558
2559         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2560         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2561         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2562         then define __v850e1__.
2563         * doc/invoke.texi: Document -mv850es.
2564
2565 2011-01-24  Richard Henderson  <rth@redhat.com>
2566
2567         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2568         compound unordered comparisons.
2569         * config/rx/rx.c (rx_split_fp_compare): Remove.
2570         * config/rx/rx-protos.h: Update.
2571         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2572         (cbranchsf4): Don't call rx_split_fp_compare.
2573         (*cbranchsf4): Use rx_split_cbranch.
2574         (*cmpsf): Don't accept "i" constraint.
2575         (*conditional_branch): Only valid after reload.
2576         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2577
2578 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2579
2580         PR target/47385
2581         * config/rs6000/altivec.md (vector constant splitters): Add
2582         support for creating vector single precision constants if -mvsx is
2583         used and we would create the constant using Altivec primitives.
2584
2585 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2586             Richard Sandiford  <rdsandiford@googlemail.com>
2587
2588         PR rtl-optimization/47166
2589         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2590         mechanism for PRE_MODIFY and POST_MODIFY.
2591         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2592         reloadreg.
2593
2594 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2595
2596         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2597
2598 2011-01-22  Jan Hubicka  <jh@suse.cz>
2599
2600         PR lto/47333
2601         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2602
2603 2011-01-22  Jan Hubicka  <jh@suse.cz>
2604
2605         PR tree-optimization/43884
2606         PR lto/44334
2607         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2608         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2609
2610 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2611
2612         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2613         * config/s390/s390.c (s390_register_move_cost,
2614         s390_memory_move_cost): New.
2615         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2616
2617 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2618
2619         PR middle-end/47401
2620         * except.c (sjlj_assign_call_site_values): Move setting the
2621         crtl->uses_eh_lsda flag to ...
2622         (sjlj_mark_call_sites): ... here.
2623         (sjlj_emit_function_enter): Support NULL dispatch label.
2624         (sjlj_build_landing_pads): In a function with no landing pads
2625         that still has must-not-throw regions, generate code to register
2626         a personality function with empty LSDA.
2627
2628 2011-01-21  Richard Henderson  <rth@redhat.com>
2629
2630         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2631
2632         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2633
2634         * compare-elim.c: New file.
2635         * Makefile.in (OBJS-common): Add it.
2636         (compare-elim.o): New.
2637         * common.opt (fcompare-elim): New.
2638         * opts.c (default_options_table): Add OPT_fcompare_elim.
2639         * tree-pass.h (pass_compare_elim_after_reload): New.
2640         * passes.c (init_optimization_passes): Add it.
2641         * recog.h: Protect against re-inclusion.
2642         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2643         * doc/invoke.texi (-fcompare-elim): Document it.
2644         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2645         * doc/tm.texi: Rebuild.
2646
2647 2011-01-22  Nick Clifton  <nickc@redhat.com>
2648
2649         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2650         rx_split_fp_compare.
2651
2652 2011-01-22  Nick Clifton  <nickc@redhat.com>
2653
2654         * config/rx/rx.md (UNSPEC_CONST): New.
2655         (deallocate_and_return): Wrap the amount popped off the stack in
2656         an UNSPEC_CONST in order to stop it being rejected by
2657         -mmax-constant-size.
2658         (pop_and_return): Add a "(return)" rtx.
2659         (call): Drop the immediate operand.
2660         (call_internal): Likewise.
2661         (call_value): Likewise.
2662         (call_value_internal): Likewise.
2663         (sibcall_internal): Likewise.
2664         (sibcall_value_internal): Likewise.
2665         (sibcall): Likewise.  Generate an explicit call using
2666         sibcall_internal.
2667         (sibcall_value): Likewise.
2668         (mov<>): FAIL if a constant operand is not legitimate.
2669         (addsi3_unpsec): New pattern.
2670
2671         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
2672         (ok_for_max_constant): New function.
2673         (gen_safe_add): New function.
2674         (rx_expand_prologue): Use gen_safe_add.
2675         (rx_expand_epilogue): Likewise.
2676         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
2677         UNSPEC CONSTs.
2678
2679 2011-01-21  Jeff Law  <law@redhat.com>
2680
2681         PR tree-optimization/47053
2682         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
2683         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
2684         statements are deleted.
2685         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
2686         is nonempty, then purge dead edges and cleanup the CFG.
2687
2688 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2689
2690         PR debug/47402
2691         Temporarily revert:
2692         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2693         PR debug/47106
2694         * tree-dfa.c (create_var_ann): Mark variable as used.
2695
2696 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2697
2698         PR middle-end/45566
2699         * except.c (convert_to_eh_region_ranges): Emit queued no-region
2700         notes from other section in hot/cold partitioning even if
2701         last_action is -3.  Increment call_site_base.
2702
2703         PR rtl-optimization/47366
2704         * fwprop.c (forward_propagate_into): Return bool.  If
2705         any changes are made, -fnon-call-exceptions is used and
2706         REG_EH_REGION note is present, call purge_dead_edges
2707         and return true if it purged anything.
2708         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
2709         any EH edges were purged.
2710
2711 2011-01-21  Jeff Law  <law@redhat.com>
2712
2713         PR rtl-optimization/41619
2714         * caller-save.c (setup_save_areas): Break out code to determine
2715         which hard regs are live across calls by examining the reload chains
2716         so that it is always used.
2717         Eliminate code which checked REG_N_CALLS_CROSSED.
2718
2719 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2720
2721         PR tree-optimization/47355
2722         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
2723         NOP has non-debug uses beyond PHIs in new_bb.
2724
2725 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
2726
2727         PR debug/47106
2728         * cfgexpand.c (account_used_vars_for_block): Only account vars
2729         that are annotated as used.
2730         (estimated_stack_frame_size): Don't set TREE_USED.
2731         * tree-dfa.c (create_var_ann): Mark variable as used.
2732
2733 2011-01-21  Richard Guenther  <rguenther@suse.de>
2734
2735         PR middle-end/47395
2736         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
2737
2738 2011-01-21  Richard Guenther  <rguenther@suse.de>
2739
2740         PR tree-optimization/47365
2741         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
2742         (vn_reference_lookup_pieces): Adjust.
2743         (vn_reference_lookup): Likewise.
2744         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
2745         (vn_reference_lookup_3): Only look through kills if in
2746         VN_WALKREWRITE mode.
2747         (vn_reference_lookup_pieces): Adjust.
2748         (vn_reference_lookup): Likewise.
2749         (visit_reference_op_load): Likewise.
2750         (visit_reference_op_store): Likewise.
2751         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
2752         (compute_avail): Likewise.
2753         (eliminate): Likewise.
2754
2755 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
2756
2757         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
2758         DECL_IGNORED_P non-reg vars if they are used.
2759
2760         PR tree-optimization/47391
2761         * varpool.c (const_value_known_p): Return false if
2762         decl is volatile.
2763
2764 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
2765
2766         PR bootstrap/47215
2767         * config/i386/i386.c (ix86_local_alignment): Handle
2768         case for va_list_type_node is nil.
2769         (ix86_canonical_va_list_type): Likewise.
2770
2771 2011-01-21  Alan Modra  <amodra@gmail.com>
2772
2773         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
2774         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
2775
2776 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2777
2778         * config/arm/arm.md (define_attr type): Rename f_load
2779         and f_store to f_fpa_load and f_fpa_store. Update.
2780         (write_conflict): Deal with rename fallout.
2781         (*push_fp_multi): Likewise.
2782         * config/arm/fpa.md (f_load): Use f_fpa_load.
2783         (f_store): Use f_fpa_store.
2784         (*movsf_fpa): Likewise.
2785         (*movdf_fpa): Likewise.
2786         (*movxf_fpa): Likewise.
2787         (*thumb2_movsf_fpa): Likewise.
2788         (*thumb2_movdf_fpa): Likewise.
2789         (*thumb2_movxf_fpa): Likewise.
2790         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
2791         f_loadd and f_stored.
2792         (*thumb2_movdi_vfp): Likewise.
2793         (*thumb2_movsf_vfp): Fix attribute to f_loads.
2794         (*thumb2_movsi_vfp): Likewise.
2795         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
2796         Use f_loads instead of f_load.
2797         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
2798
2799 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
2800
2801         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
2802         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
2803         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
2804         (xtensa_mode_dependent_address_p): New function.
2805         (constantpool_address_p): Make static. Change return type to bool.
2806         Change argument type to const_rtx. Use CONST_INT_P predicate.
2807
2808 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
2809
2810         PR debug/46583
2811         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
2812
2813 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2814
2815         PR debug/47283
2816         * cfgexpand.c (expand_debug_expr): Instead of generating
2817         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
2818         etc. handling.
2819
2820 2011-01-20  Richard Guenther  <rguenther@suse.de>
2821
2822         PR middle-end/47370
2823         * tree-inline.c (remap_gimple_op_r): Recurse manually for
2824         the pointer operand of MEM_REFs.
2825
2826 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
2827
2828         PR tree-optimization/46130
2829         * ipa-split.c (consider_split): If return_bb contains non-virtual
2830         PHIs other than for retval or if split_function would not adjust it,
2831         refuse to split.
2832
2833 2011-01-20  Richard Guenther  <rguenther@suse.de>
2834
2835         PR tree-optimization/47167
2836         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2837         Revert previous change, only avoid enumeral type changes.
2838
2839 2011-01-19  Mike Stump  <mikestump@comcast.net>
2840
2841         * doc/tm.texi.in (BRANCH_COST): Englishify.
2842         * doc/tm.texi (BRANCH_COST): Likewise.
2843
2844 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
2845
2846         PR c++/47291
2847         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
2848         (gen_scheduled_generic_parms_dies): New functions.
2849         (gen_struct_or_union_type_die): Schedule template parameters DIEs
2850         generation for the end of CU compilation.
2851         (dwarf2out_finish): Generate template parameters DIEs here.
2852
2853 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2854
2855         PR debug/46240
2856         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
2857         debug bind stmt on merge edges.
2858
2859 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2860
2861         PR debug/47079
2862         PR debug/46724
2863         * function.c (instantiate_expr): Instantiate incoming rtl of
2864         implicit arguments, and recurse on VALUE_EXPRs.
2865         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
2866         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
2867
2868 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
2869
2870         * c-parser.c (c_parser_for_statement): Initialize
2871         collection_expression.
2872
2873 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2874
2875         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
2876
2877 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2878
2879         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
2880         (LINK_SHLIB_SPEC): Don't use %(link_path).
2881         (SUBTARGET_EXTRA_SPECS): Remove link_path.
2882
2883 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2884
2885         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
2886         (NO_SHARED_LIB_SUPPORT): Remove.
2887         (LINK_SHLIB_SPEC): Remove one conditional definition.
2888
2889 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
2890
2891         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
2892         %{call_shared}.
2893         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
2894         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
2895         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
2896         %{call_shared} and conditionals on these options not being passed.
2897         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
2898         %{call_shared}.
2899
2900 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
2901
2902         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
2903         simplify.
2904
2905         * ipa-split.c: Spelling fixes.
2906
2907 2011-01-19  Richard Henderson  <rth@redhat.com>
2908
2909         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
2910         (*mulsi3): Likewise.
2911
2912         * longlong.h [__mn10300__] (count_leading_zeros): New.
2913         [__mn10300__] (umul_ppmm, smul_ppmm): New.
2914         [__mn10300__] (add_ssaaaa, subddmmss): New.
2915         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
2916         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
2917
2918 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2919
2920         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
2921
2922 2011-01-19  Richard Henderson  <rth@redhat.com>
2923
2924         * config/mn10300/mn10300.md (addsi3_flags): New.
2925         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
2926         (subsi3_flags, subc_internal, subdi3): New.
2927         (subdi3_internal, *subdi3_degenerate): New.
2928         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
2929
2930         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
2931         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
2932         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
2933         * config/mn10300/mn10300-protos.h: Update.
2934         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
2935         (return_ret): Likewise.  Rename from return_internal_regs.
2936         (return_internal): Remove.
2937
2938         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
2939         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
2940         (mn10300_legitimate_constant_p): Likewise.
2941         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
2942         (mn10300_frame_size): New.
2943         (mn10300_expand_prologue): Use it.
2944         (mn10300_expand_epilogue): Likewise.
2945         (mn10300_initial_offset): Likewise.
2946         * config/mn10300/mn10300-protos.h: Update.
2947         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
2948         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
2949         (prologue, epilogue, return_internal): Tidy output code.
2950         (mn10300_store_multiple_operation, return): Likewise.
2951         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
2952         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
2953         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
2954         (load_pic, am33_load_pic): New.
2955         (mn10300_load_pic0, mn10300_load_pic1): New.
2956
2957         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
2958         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
2959         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
2960         (cc_flags_for_mode, cc_flags_for_code): New.
2961         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
2962         overflow flag is not valid.  Validate that the flags we need
2963         for the comparison are valid.
2964         (mn10300_output_cmp): Remove.
2965         (mn10300_output_add): New.
2966         (mn10300_select_cc_mode): Use cc_flags_for_code.
2967         (mn10300_split_cbranch): New.
2968         (mn10300_match_ccmode): New.
2969         (mn10300_split_and_operand_count): New.
2970         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
2971         to the function.
2972         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
2973         (addsi3): ... here.  Use mn10300_output_add.
2974         (*addsi3_flags): New.
2975         (*am33_subsi3, *mn10300_subsi3): Merge...
2976         (subsi3): ... here.  Use attribute isa.
2977         (*subsi3_flags): New.
2978         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
2979         when possible.
2980         (*am33_andsi3, *mn10300_andsi3): Merge...
2981         (andsi3): ... here.
2982         (*andsi3_flags): New.
2983         (andsi3 splitters): New.
2984         (*am33_iorsi3, *mn10300_iorsi3): Merge...
2985         (iorsi3): ... here.
2986         (*iorsi3_flags): New.
2987         (*am33_xorsi3, *mn10300_xorsi3): Merge...
2988         (xorsi3): ... here.
2989         (*xorsi3_flags): New.
2990         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
2991         (one_cmplsi2): ... here.
2992         (*one_cmplsi2_flags): New.
2993         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
2994         instead of "dax" in constraints.  Use mn10300_split_cbranch.
2995         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
2996         use matching constraints to eliminate a self-comparison.
2997         (*integer_conditional_branch): Rename from integer_conditional_branch.
2998         Use int_mode_flags to match CC_REG.
2999         (*cbranchsi4_btst, *btstsi): New.
3000         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3001         mn10300_split_cbranch.
3002         (*am33_cmpsf): Rename from am33_cmpsf.
3003         (*float_conditional_branch): Rename from float_conditional_branch.
3004         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3005         (zero_extendqisi2): ... here.
3006         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3007         (zero_extendhisi2): ... here.
3008         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3009         (extendqisi2): ... here.
3010         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3011         (extendhisi2): ... here.
3012         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3013         (ashlsi3): ... here.
3014         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3015         (lshrsi3): ... here.
3016         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3017         (ashrsi3): ... here.
3018         (consecutive add peephole): Remove.
3019         * config/mn10300/predicates.md (label_ref_operand): New.
3020         (int_mode_flags): New.
3021         (CCZN_comparison_operator): New.
3022
3023         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3024         (throughput_42_latency_43): New reservation.
3025         (mulsidi3, umulsidi3): New expanders.
3026         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3027         the MDR register to allocation; separately allocate the low and
3028         high parts of the DImode result.
3029         (umulsidi3_internal): Similarly.
3030         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3031         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3032         (udivsi3, umodsi3): Remove.
3033         (udivmodsi4, divmodsi4): New expanders.
3034         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3035         (*divmodsi4): Simiarly.
3036         (ext_internal): New.
3037
3038         * config/mn10300/constraints.md ("z"): New constraint.
3039         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3040         (FIXED_REGISTERS): Don't fix MDR.
3041         (CALL_USED_REGSITERS): Reformat nicely.
3042         (REG_ALLOC_ORDER): Add MDR.
3043         (enum regclass): Add MDR_REGS.
3044         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3045         (IRA_COVER_CLASSES): Add MDR_REGS.
3046         (REGNO_REG_CLASS): Handle MDR_REG.
3047         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3048         (mn10300_register_move_cost): Likewise.
3049         * config/mn10300/mn10300.md (MDR_REG): New.
3050         (*movsi_internal): Handle moves to/from MDR_REGS.
3051
3052         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3053         POST_MODIFY.
3054         (mn10300_secondary_reload): Tidy combination reload classes.
3055         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3056         addresses for AM33.  Allow symbolic offsets for reg+imm.
3057         (mn10300_regno_in_class_p): New.
3058         (mn10300_legitimize_reload_address): New.
3059         * config/mn10300/mn10300.h (enum reg_class): Remove
3060         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3061         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3062         SP_OR_GENERAL_REGS.
3063         (REG_CLASS_NAMES): Update to match.
3064         (REG_CLASS_CONTENTS): Likewise.
3065         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3066         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3067         (REGNO_IN_RANGE_P): Remove.
3068         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3069         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3070         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3071         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3072         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3073         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3074         (REGNO_GENERAL_P): New.
3075         (HAVE_POST_MODIFY_DISP): New.
3076         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3077         (LEGITIMIZE_RELOAD_ADDRESS): New.
3078         * config/mn10300/mn10300-protos.h: Update.
3079
3080         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3081         DATA_REGS for AM33 stack-pointer destination.
3082         (mn10300_preferred_output_reload_class): Likewise.
3083         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3084         into a form appropriate for ...
3085         (TARGET_SECONDARY_RELOAD): New.
3086         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3087         * config/mn10300/mn10300-protos.h: Update.
3088         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3089         reload_insi; use the "A" constraint for the scratch; handle AM33
3090         moves of sp to non-address registers.
3091
3092         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3093         (*movqi_internal): ... here.
3094         (*am33_movhi, *mn10300_movhi): Merge into...
3095         (*movhi_internal): ... here.
3096         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3097         as the source/destination of moves from/to SP.
3098         (movsf): Only allow for AM33-2.
3099         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3100         any integer constant constraint.  Only allow for AM33-2.  Tidy
3101         all of the alternative outputs.
3102         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3103         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3104         for MN103.
3105         (udivsi3, umodsi3): New patterns for MN103 only.
3106
3107 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3108
3109         * doc/tm.texi.in: Spell out that a lack of register class unions
3110         can lead to ICEs.
3111         * doc/tm.texi: Regenerate.
3112
3113 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3114
3115         PR rtl-optimization/47337
3116         * dce.c (check_argument_store): New function.
3117         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3118
3119         PR tree-optimization/47290
3120         * tree-eh.c (infinite_empty_loop_p): New function.
3121         (cleanup_empty_eh): Use it.
3122
3123 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3124
3125         PR target/46997
3126         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3127         (a64_expand_widen_sum): Ditto.
3128         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3129         (vec_extract_evenodd_help): Ditto.
3130         (vec_extract_evenv4hi): Ditto.
3131         (vec_extract_oddv4hi): Ditto.
3132         (vec_extract_evenv2si): Ditto.
3133         (vec_extract_oddv2si): Ditto.
3134         (vec_extract_evenv2sf): Ditto.
3135         (vec_extract_oddv2sf): Ditto.
3136         (vec_pack_trunc_v4hi: Ditto.
3137         (vec_pack_trunc_v2si): Ditto.
3138         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3139         (vec_interleave_highv8qi): Ditto.
3140         (mix1_r): Ditto.
3141         (vec_extract_oddv8qi): Ditto.
3142         (vec_interleave_lowv4hi): Ditto.
3143         (vec_interleave_highv4hi): Ditto.
3144         (vec_interleave_lowv2si): Ditto.
3145         (vec_interleave_highv2si): Ditto.
3146
3147 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3148
3149         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3150         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3151         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3152         (pa_c_mode_for_suffix): New.
3153         (TARGET_EXPAND_BUILTIN): Define.
3154         (TARGET_C_MODE_FOR_SUFFIX): Define.
3155         (pa_builtins): Define.
3156         (pa_init_builtins): Register __float128 type and init new support
3157         builtins.
3158         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3159         * config/pa/quadlib.c (_U_Qfcopysign): New.
3160
3161 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3162
3163         PR middle-end/46894
3164         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3165         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3166         are defined.
3167
3168 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3169
3170         PR tree-optimization/47179
3171         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3172         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3173
3174 2011-01-18  Richard Guenther  <rguenther@suse.de>
3175
3176         PR rtl-optimization/47216
3177         * emit-rtl.c: Include tree-flow.h.
3178         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3179         of replicating it with different semantics.
3180         * Makefile.in (emit-rtl.o): Adjust.
3181
3182 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3183
3184         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3185         (cortex_a9_dp): Handle neon types correctly.
3186
3187 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3188
3189         PR rtl-optimization/47299
3190         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3191         subtarget.  Use normal multiplication if both operands are constants.
3192         * expmed.c (expand_widening_mult): Don't try to optimize constant
3193         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3194         before using it.
3195
3196 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3197
3198         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3199         spacing after 'e.g.', typos, comma, hyphenation.
3200
3201 2011-01-17  Richard Henderson  <rth@redhat.com>
3202
3203         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3204         (rx_restricted_mem_operand): New.
3205         (rx_shift_operand): Use register_operand.
3206         (rx_source_operand, rx_compare_operand): Likewise.
3207         * config/rx/rx.md (addsi3_flags): New expander.
3208         (adddi3): Rewrite as expander.
3209         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3210         (subsi3_flags): New expander.
3211         (subdi3): Rewrite as expander.
3212         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3213
3214         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3215         (rx_init_builtins): Remove sat builtin.
3216         (rx_expand_builtin): Likewise.
3217         * config/rx/rx.md (ssaddsi3): New.
3218         (*sat): Rename from sat.  Represent the CC_REG input.
3219
3220         * config/rx/predicates.md (rshift_operator): New.
3221         * config/rx/rx.c (rx_expand_insv): Remove.
3222         * config/rx/rx-protos.h: Update.
3223         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3224         operand to the canonical position.
3225         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3226         (*bitclr, *bitclr_in_memory): Similarly.
3227         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3228         (insv): Retain the zero_extract in the expansion.
3229
3230         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3231         (bswaphi2, bitinvert, revw): Likewise.
3232
3233         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3234         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3235         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3236         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3237         (bitset, bitset_in_memory): Likewise.
3238         (bitinvert, bitinvert_in_memory): Likewise.
3239         (bitclr, bitclr_in_memory): Likewise.
3240         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3241         (rx_strend, rx_cmpstrn): Likewise.
3242         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3243         (bitop peep2 patterns): Remove.
3244
3245         * config/rx/rx.c (rx_match_ccmode): New.
3246         * config/rx/rx-protos.h: Update.
3247         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3248         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3249         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3250         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3251         (fix_truncsfsi2, floatsisf2): Likewise.
3252         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3253         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3254         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3255         (*subsi3_flags, *xorsi3_flags): New.
3256
3257         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3258
3259         * config/rx/rx.c (rx_print_operand): Remove workaround for
3260         unsplit comparison operations.
3261
3262         * config/rx/rx.md (movsicc): Split after reload.
3263         (*movsicc): Merge *movsieq and *movsine via match_operator.
3264         (*stcc): New pattern.
3265
3266         * config/rx/rx.c (rx_float_compare_mode): Remove.
3267         * config/rx/rx.h (rx_float_compare_mode): Remove.
3268         * config/rx/rx.md (cstoresi4): Split after reload.
3269         (*sccc): New pattern.
3270
3271         * config/rx/predicates.md (label_ref_operand): New.
3272         (rx_z_comparison_operator): New.
3273         (rx_zs_comparison_operator): New.
3274         (rx_fp_comparison_operator): New.
3275         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3276         Validate that the flags are set properly for the comparison.
3277         (rx_gen_cond_branch_template): Remove.
3278         (rx_cc_modes_compatible): Remove.
3279         (mode_from_flags): New.
3280         (flags_from_code): Rename from flags_needed_for_conditional.
3281         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3282         (rx_select_cc_mode): Likewise.
3283         (rx_split_fp_compare): New.
3284         (rx_split_cbranch): New.
3285         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3286         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3287         (*cbranchsf4): Similarly.
3288         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3289         match_operator and rx_split_cbranch.
3290         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3291         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3292         (*cmpsi): Rename from cmpsi.
3293         (*tstsi): Rename from tstsi.
3294         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3295         (*conditional_branch): Rename from conditional_branch.
3296         (*reveresed_conditional_branch): Remove.
3297         (b<code>): Remove expander.
3298         * config/rx/rx-protos.h: Update.
3299
3300         * config/rx/rx.c (rx_compare_redundant): Remove.
3301         * config/rx/rx.md (cmpsi): Don't use it.
3302         * config/rx/rx-protos.h: Update.
3303
3304         * config/rx/rx-modes.def (CC_F): New mode.
3305         * config/rx/rx.c (rx_select_cc_mode): New.
3306         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3307         * config/rx/rx-protos.h: Update.
3308
3309 2011-01-17  Richard Henderson  <rth@redhat.com>
3310
3311         * except.c (dump_eh_tree): Fix stray ; after for statement.
3312
3313 2011-01-17  Richard Guenther  <rguenther@suse.de>
3314
3315         PR tree-optimization/47313
3316         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3317         handling before copying the body.  Properly deal with
3318         by-reference result in SSA form.
3319
3320 2011-01-17  Ian Lance Taylor  <iant@google.com>
3321
3322         PR target/47219
3323         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3324         (struct_value_alias_set): Don't define.
3325         (sparc_option_override): Don't set sparc_sr_alias_set and
3326         struct_value_alias_set.
3327         (save_or_restore_regs): Use gen_frame_mem rather than calling
3328         set_mem_alias_set.
3329         (sparc_struct_value_rtx): Likewise.
3330
3331 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3332
3333         PR target/47318
3334         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3335         __m128i.
3336         (_mm_maskstore_pd): Likewise.
3337         (_mm_maskload_ps): Likewise.
3338         (_mm_maskstore_ps): Likewise.
3339         (_mm256_maskload_pd): Change mask to __m256i.
3340         (_mm256_maskstore_pd): Likewise.
3341         (_mm256_maskload_ps): Likewise.
3342         (_mm256_maskstore_ps): Likewise.
3343
3344         * config/i386/i386-builtin-types.def: Updated.
3345         (ix86_expand_special_args_builtin): Likewise.
3346
3347         * config/i386/i386.c (bdesc_special_args): Update
3348         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3349         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3350         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3351         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3352
3353         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3354         Use <avxpermvecmode> on mask register.
3355         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3356
3357 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3358             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3359             Eric Botcazou  <ebotcazou@adacore.com>
3360
3361         PR target/46655
3362         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3363         if <= USHRT_MAX in 32-bit mode.
3364
3365 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3366
3367         * doc/install.texi (Configuration, Specific): Wrap long
3368         lines in examples.  Allow line wrapping in long options
3369         and URLs where beneficial for PDF output.
3370
3371 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3372
3373         * config/mips/mips.c (mips_classify_symbol): Don't return
3374         SYMBOL_PC_RELATIVE for nonlocal labels.
3375
3376 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3377
3378         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3379
3380 2011-01-15  Jan Hubicka  <jh@suse.cz>
3381
3382         PR tree-optimization/47276
3383         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3384         declarations as needed.
3385
3386 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3387
3388         * common.opt (fdevirtualize): New flag.
3389         * doc/invoke.texi (Option Summary): Document it.
3390         * opts.c (default_options_table): Add devirtualize flag.
3391         * ipa-prop.c (detect_type_change): Return immediately if
3392         devirtualize flag is not set.
3393         (detect_type_change_ssa): Likewise.
3394         (compute_known_type_jump_func): Likewise.
3395         (ipa_analyze_virtual_call_uses): Likewise.
3396
3397 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3398
3399         PR tree-optimization/45934
3400         PR tree-optimization/46302
3401         * ipa-prop.c (type_change_info): New type.
3402         (stmt_may_be_vtbl_ptr_store): New function.
3403         (check_stmt_for_type_change): Likewise.
3404         (detect_type_change): Likewise.
3405         (detect_type_change_ssa): Likewise.
3406         (compute_complex_assign_jump_func): Check for dynamic type change.
3407         (compute_complex_ancestor_jump_func): Likewise.
3408         (compute_known_type_jump_func): Likewise.
3409         (compute_scalar_jump_functions): Likewise.
3410         (ipa_analyze_virtual_call_uses): Likewise.
3411         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3412
3413 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3414
3415         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3416         * config/i386/i386.opt (msse5): New Alias.
3417
3418 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3419
3420         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3421         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3422         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3423         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3424
3425 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3426
3427         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3428         -mcpu options.
3429         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3430         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3431         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3432         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3433         Likewise.
3434         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3435
3436 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3437
3438         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3439
3440 2011-01-14  Mike Stump  <mikestump@comcast.net>
3441
3442         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3443         * config/fr30/fr30.md: Likweise
3444         (movsi_push): Likewise.
3445         (movsi_pop): Likewise.
3446         (enter_func): Likewise.
3447         * config/moxie/moxie.md (movsi_push): Likewise.
3448         (movsi_pop): Likewise.
3449
3450 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3451
3452         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3453         %{no_archive} %{exact_version}.
3454         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3455         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3456         %{no_archive} %{exact_version}.
3457         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3458         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3459         * config/mips/vxworks.h: Likewise.
3460
3461 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3462
3463         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3464
3465 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3466
3467         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3468         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3469
3470 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3471
3472         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3473         -nodefaultlib.
3474
3475 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3476
3477         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3478         for mcpu not cpu.
3479         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3480         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3481         not cpu.
3482         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3483         Don't handle -shlib.
3484
3485 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3486
3487         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3488         (CC1_SPEC): Don't handle -profile.
3489
3490 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3491
3492         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3493         * config/mips/mips.h (CC1_SPEC): Likewise.
3494
3495 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3496
3497         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3498         * config/mips/mips.h (CC1_SPEC): Likewise.
3499
3500 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3501
3502         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3503         * config/m32r/linux.h (LINK_SPEC): Likewise.
3504         * config/mips/linux.h (LINK_SPEC): Likewise.
3505         * config/mips/linux64.h (LINK_SPEC): Likewise.
3506         * config/sparc/linux.h (LINK_SPEC): Likewise.
3507         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3508         LINK_SPEC): Likewise.
3509         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3510
3511 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3512
3513         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3514         %{version:-v}.
3515         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3516
3517 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3518
3519         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3520         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3521
3522 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3523
3524         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3525
3526 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3527
3528         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3529         supports -Bstatic/-Bdynamic.
3530         * configure: Regenerate.
3531
3532 2011-01-14  Jan Hubicka  <jh@suse.cz>
3533             Jack Howarth  <howarth@bromo.med.uc.edu>
3534
3535         PR target/46037
3536         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3537         when checking debug_info_level. Test write_symbols instead of
3538         debug_hooks->var_location when setting flag_var_tracking_uninit.
3539
3540 2011-01-14  Richard Guenther  <rguenther@suse.de>
3541
3542         PR tree-optimization/47179
3543         * target.def (ref_may_alias_errno): New target hook.
3544         * targhooks.h (default_ref_may_alias_errno): Declare.
3545         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3546         (default_ref_may_alias_errno): New function.
3547         * target.h (struct ao_ref_s): Declare.
3548         * tree-ssa-alias.c: Include target.h.
3549         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3550         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3551         (targhooks.o): Likewise.
3552         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3553         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3554
3555 2011-01-14  Richard Guenther  <rguenther@suse.de>
3556
3557         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3558
3559 2011-01-14  Richard Guenther  <rguenther@suse.de>
3560
3561         PR tree-optimization/47280
3562         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3563         return CFG changes.
3564         (tree_ssa_forward_propagate_single_use_vars): Deal with
3565         CFG changes from associate_plusminus.
3566
3567 2011-01-14  Richard Guenther  <rguenther@suse.de>
3568
3569         PR middle-end/47281
3570         Revert
3571         2011-01-11  Richard Guenther  <rguenther@suse.de>
3572
3573         PR tree-optimization/46076
3574         * tree-ssa.c (useless_type_conversion_p): Conversions from
3575         unprototyped to empty argument list function types are useless.
3576
3577 2011-01-14  Richard Guenther  <rguenther@suse.de>
3578
3579         PR tree-optimization/47286
3580         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3581
3582 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3583
3584         PR middle-end/46823
3585         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3586
3587 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3588
3589         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3590         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3591         * config/xtensa/xtensa.c (xtensa_libcall_value,
3592         xtensa_function_value_regno_p): New functions.
3593         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3594
3595 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3596
3597         PR c++/47213
3598         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3599         PE specific hook.
3600         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3601         New function prototype.
3602         * config/i386/winnt.c (i386_pe_assemble_visibility):
3603         Warn only if attribute was specified by user.
3604
3605 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3606
3607         PR target/47251
3608         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3609         floating point.
3610         (floatunsdidf2_fcfidu): Ditto.
3611
3612 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3613
3614         * config/s390/s390.c (print_operand_address): Replace 'error' with
3615         'output_operand_lossage'.
3616         (print_operand): Likewise.
3617
3618 2011-01-13  Jeff Law  <law@redhat.com>
3619
3620         PR rtl-optimization/39077
3621         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3622         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3623         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3624         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3625         * gcse.c (prune_insertions_deletions): New function.
3626         (compute_pre_data): Use it.
3627
3628 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3629
3630         PR debug/PR46973
3631         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3632         static function.
3633         (prune_unused_types_mark): Use it.
3634
3635 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3636
3637         PR rtl-optimization/45352
3638         * sel-sched.c: Update copyright years.
3639         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3640         in the advancing loop when we have issued issue_rate insns.
3641
3642 2011-01-12  Richard Henderson  <rth@redhat.com>
3643
3644         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3645         (TARGET_MD_ASM_CLOBBERS): New.
3646
3647         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3648         (TARGET_DELEGITIMIZE_ADDRESS): New.
3649
3650         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3651         (clzsi2, *bsch): New patterns.
3652
3653         * config/mn10300/mn10300.md (INT): New mode iterator.
3654         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3655
3656         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3657         flag_split_wide_types.
3658
3659         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3660         (mn10300_trampoline_init): Rewrite without a template, an immediate
3661         load and a direct branch.
3662         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
3663
3664 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
3665
3666         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
3667         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
3668         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
3669         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
3670
3671 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
3672
3673         PR debug/47209
3674         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
3675         of type.
3676
3677 2011-01-12  Jan Hubicka  <jh@suse.cz>
3678
3679         PR driver/47244
3680         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
3681         (PLUGIN_COND_CLOSE): New macro.
3682         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
3683
3684 2011-01-12  Richard Guenther  <rguenther@suse.de>
3685
3686         PR lto/47259
3687         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
3688         register variables in a MEM_REF.
3689
3690 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
3691
3692         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
3693         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
3694         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
3695         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
3696         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
3697         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
3698         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
3699         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
3700         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
3701         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
3702         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
3703         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
3704         * config/gnu-user.h: New.  Copied from linux.h.
3705         (LINUX_TARGET_STARTFILE_SPEC): Rename to
3706         GNU_USER_TARGET_STARTFILE_SPEC.
3707         (LINUX_TARGET_ENDFILE_SPEC): Rename to
3708         GNU_USER_TARGET_ENDFILE_SPEC.
3709         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
3710         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
3711         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
3712         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
3713         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
3714         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
3715         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
3716         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
3717         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
3718         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
3719         * config/arm/linux-eabi.h (CC1_SPEC): Use
3720         GNU_USER_TARGET_CC1_SPEC.
3721         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
3722         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
3723         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
3724         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
3725         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
3726         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
3727         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
3728         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
3729
3730 2011-01-12  Richard Guenther  <rguenther@suse.de>
3731
3732         PR other/46946
3733         * doc/invoke.texi (ffast-math): Document it is turned on
3734         with -Ofast.
3735
3736 2011-01-12  Jan Hubicka  <jh@suse.cz>
3737
3738         PR tree-optimization/47233
3739         * opts.c (common_handle_option): Disable ipa-reference with profile
3740         feedback.
3741
3742 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3743
3744         * c-parser.c (c_parser_objc_at_property_declaration): Improved
3745         error message.
3746
3747 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
3748
3749         * c-parser.c (c_lex_one_token): Updated and reindented some
3750         comments.  No changes in code.
3751
3752 2011-01-11  Ian Lance Taylor  <iant@google.com>
3753
3754         * godump.c (go_output_var): Don't output the variable if there is
3755         already a type with the same name.
3756
3757 2011-01-11  Ian Lance Taylor  <iant@google.com>
3758
3759         * godump.c (go_format_type): Don't generate float80.
3760
3761 2011-01-11  Richard Henderson  <rth@redhat.com>
3762
3763         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
3764         declaration.  Rewrite for both speed and size.
3765         (mn10300_address_cost_1): Remove.
3766         (mn10300_register_move_cost): New.
3767         (mn10300_memory_move_cost): New.
3768         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
3769         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
3770         extensions, shifts, BSWAP, CLZ.
3771         (mn10300_wide_const_load_uses_clr): Remove.
3772         (TARGET_REGISTER_MOVE_COST): New.
3773         (TARGET_MEMORY_MOVE_COST): New.
3774         * config/mn10300/mn10300-protos.h: Update.
3775         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
3776
3777         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
3778         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
3779         * config/mn10300/mn10300-protos.h: Update.
3780         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
3781         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
3782         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
3783         (*test_int_bitfield, *test_byte_bitfield): Remove.
3784         (*bit_test, *subreg_bit_test): Remove.
3785         * config/mn10300/predicates.md (const_8bit_operand): Remove.
3786
3787         * config/mn10300/constraints.md ("c"): Rename from "A".
3788         ("A", "D"): New constraint letters.
3789         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
3790         (fmssf4, fnmasf4, fnmssf4): Likewise.
3791
3792         * config/mn10300/mn10300.md (isa): New attribute.
3793         (enabled): New attribute.
3794
3795         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
3796         (abssf2, negsf2): Define only for hardware fp.
3797         (sqrtsf2): Reformat.
3798         (addsf3, subsf3, mulsf3): Merge expander and insn.
3799
3800         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
3801         (DEBUGGER_AUTO_OFFSET): Remove.
3802         (DEBUGGER_ARG_OFFSET): Remove.
3803
3804         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
3805         Emit register stores with the same offsets as the hardware.
3806         (mn10300_store_multiple_operation): Don't check that the register
3807         save offsets are monotonic.
3808         * config/mn10300/mn10300-protos.h: Update.
3809
3810         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
3811
3812         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
3813         in terms of the value on the stack, not the MDR register.
3814
3815 2011-01-11  Jan Hubicka  <jh@suse.cz>
3816
3817         PR lto/45721
3818         PR lto/45375
3819         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
3820         (symbol_alias_set_destroy, symbol_alias_set_contains,
3821         propagate_aliases_backward): Declare.
3822         * lto-streamer-out.c (struct sets): New sturcture.
3823         (trivally_defined_alias): New function.
3824         (output_alias_pair_p): Rewrite.
3825         (output_unreferenced_globals): Fix output of alias pairs.
3826         (produce_symtab): Likewise.
3827         * ipa.c (function_and_variable_visibility): Set weak alias destination
3828         as needed in lto.
3829         * varasm.c (symbol_alias_set_t): Remove.
3830         (symbol_alias_set_destroy): Export.
3831         (propagate_aliases_forward, propagate_aliases_backward): New functions
3832         based on ...
3833         (compute_visible_aliases): ... this one; remove.
3834         (trivially_visible_alias): New
3835         (trivially_defined_alias): New.
3836         (remove_unreachable_alias_pairs): Rewrite.
3837         (finish_aliases_1): Reorganize code checking if alias is defined.
3838         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
3839         in LTO mode.
3840
3841 2011-01-11  Richard Guenther  <rguenther@suse.de>
3842
3843         PR tree-optimization/46076
3844         * tree-ssa.c (useless_type_conversion_p): Conversions from
3845         unprototyped to empty argument list function types are useless.
3846
3847 2011-01-11  Richard Guenther  <rguenther@suse.de>
3848
3849         PR middle-end/45235
3850         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
3851         volatile MEMs as MEM_READONLY_P.
3852
3853 2011-01-11  Richard Guenther  <rguenther@suse.de>
3854
3855         PR tree-optimization/47239
3856         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
3857
3858 2011-01-11  Jeff Law  <law@redhat.com>
3859
3860         PR tree-optimization/47086
3861         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
3862         IVs from statements that might throw.
3863
3864 2011-01-10  Jan Hubicka  <jh@suse.cz>
3865
3866         PR lto/45375
3867         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
3868
3869 2011-01-10  Jan Hubicka  <jh@suse.cz>
3870
3871         PR lto/45375
3872         * profile.c (read_profile_edge_counts): Ignore profile inconistency
3873         when correcting profile.
3874
3875 2011-01-10  Jan Hubicka  <jh@suse.cz>
3876
3877         PR lto/46083
3878         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
3879         DECL_FINI_PRIORITY.
3880         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
3881         Restore DECL_FINI_PRIORITY.
3882
3883 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3884
3885         * doc/gimple.texi: Fix quoting of multi-word return values in
3886         @deftypefn statements.  Ensure presence of return value.  Wrap
3887         overlong @deftypefn lines.
3888         (is_gimple_operand, is_gimple_min_invariant_address): Remove
3889         descriptions of removed functions.
3890         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
3891         of multi-word return value in @deftypefn statement.
3892
3893 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3894
3895         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
3896         (Conditional Expressions, Logical Operators)
3897         (Statement and operand traversals): Do not indent smallexample
3898         code.  Fix duplicate function argument in example.
3899
3900 2011-01-10  Jeff Law  <law@redhat.com>
3901
3902         PR tree-optimization/47141
3903         * ipa-split.c (split_function): Handle case where we are
3904         returning a value and the return block has a virtual operand phi.
3905
3906 2011-01-10  Jan Hubicka  <jh@suse.cz>
3907
3908         PR tree-optimization/47234
3909         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
3910         (pass_feedback_split_functions): Declare.
3911         * passes.c (init_optimization_passes): Add ipa-split as subpass of
3912         tree-profile.
3913         * ipa-split.c (gate_split_functions): Update comments; disable
3914         split-functions for profile_arc_flag and branch_probabilities.
3915         (gate_feedback_split_functions): New function.
3916         (execute_feedback_split_functions): New function.
3917         (pass_feedback_split_functions): New global var.
3918
3919 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
3920
3921         PR lto/46760
3922         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
3923         calling gimple_call_set_cannot_inline.
3924
3925 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
3926
3927         * config/darwin-sections.def: Remove unused section.
3928
3929 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
3930
3931         PR c++/47218
3932         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
3933
3934 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
3935
3936         PR objc/47232
3937         * c-parser.c (c_parser_declaration_or_fndef): Improved
3938         error message.
3939
3940 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
3941
3942         * config/i386/winnt.c (i386_pe_start_function): Make sure
3943         to switch back to function's section.
3944
3945 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
3946
3947         PR gcc/46902
3948         PR testsuite/46912
3949         * plugin.c: Move include of dlfcn.h from here...
3950         * system.h: ... to here.
3951
3952 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3953
3954         * doc/cpp.texi (C++ Named Operators): Fix markup for header
3955         file name.
3956         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
3957         two extra empty pages in PDF output.
3958
3959 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
3960
3961         PR objc/47078
3962         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
3963         for error recovery purposes behave as if it was not specified so
3964         that the default type is usd.
3965
3966 2011-01-07  Jan Hubicka  <jh@suse.cz>
3967
3968         PR tree-optmization/46469
3969         * ipa.c (function_and_variable_visibility): Clear needed flags on
3970         nodes with external decls; handle weakrefs merging correctly.
3971
3972 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
3973
3974         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
3975         not false.
3976
3977 2011-01-07  Jan Hubicka  <jh@suse.cz>
3978
3979         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
3980         and no longer claim that gold is required for linker plugin.
3981         * configure: Regenerate.
3982         * gcc.c (PLUGIN_COND): New macro.
3983         (LINK_COMMAND_SPEC): Use it.
3984         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
3985         * config.in (HAVE_LTO_PLUGIN): New.
3986         * configure.ac (--with-lto-plugin): New parameter; autodetect
3987         HAVE_LTO_PLUGIN.
3988
3989 2011-01-07  Jan Hubicka  <jh@suse.cz>
3990
3991         PR tree-optimization/46367
3992         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
3993         when we can update original.
3994         (cgraph_mark_inline_edge): Sanity check.
3995         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
3996
3997 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3998
3999         * config/spu/spu.h (ASM_COMMENT_START): Define.
4000
4001 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4002
4003         PR driver/42445
4004         * gcc.c (%>S): New.
4005         (SWITCH_KEEP_FOR_GCC): Likewise.
4006         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
4007         (do_spec_1): Handle "%>".
4008
4009         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
4010
4011 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
4012
4013         PR target/47201
4014         * config/i386/i386.c (ix86_delegitimize_address): If
4015         simplify_gen_subreg fails, return orig_x.
4016
4017         PR bootstrap/47187
4018         * value-prof.c (gimple_stringop_fixed_value): Handle
4019         lhs of the call properly.
4020
4021 2011-01-07  Jan Hubicka  <jh@suse.cz>
4022
4023         PR lto/45375
4024         * lto-opt.c (lto_reissue_options): Set flag_shlib.
4025
4026 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4027
4028         * target.def (function_switched_text_sections): New hook.
4029         * doc/tm.texi: Regenerated.
4030         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4031         * final.c (default_function_switched_text_sections): New.
4032         (final_scan_insn): Call function_switched_text_sections when a
4033         mid-function section change occurs.
4034         * output.h (default_function_switched_text_sections): Declare.
4035         * config/darwin-protos.h (darwin_function_switched_text_sections):
4036         Likewise.
4037         * config/darwin.c (darwin_function_switched_text_sections): New.
4038         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4039
4040 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4041
4042         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
4043         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
4044         the secondary code fragment when outputting for DWARF == 2.
4045
4046 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
4047
4048         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4049         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
4050         Remove.
4051         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
4052         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4053
4054 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
4055
4056         PR debug/46704
4057         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
4058         when it is not empty.
4059
4060 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
4061
4062         Bobcat Enablement
4063         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
4064         (case ${target}): Add btver1.
4065         * config/i386/driver-i386.c (host_detect_local_cpu): Let
4066         -march=native recognize btver1 processors.
4067         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4068         btver1 def_and_undef
4069         * config/i386/i386.c (struct processor_costs btver1_cost): New
4070         btver1 cost table.
4071         (m_BTVER1): New definition.
4072         (m_AMD_MULTIPLE): Includes m_BTVER1.
4073         (initial_ix86_tune_features): Add btver1 tune.
4074         (processor_target_table): Add btver1 entry.
4075         (static const char *const cpu_names): Add btver1 entry.
4076         (software_prefetching_beneficial_p): Add btver1.
4077         (ix86_option_override_internal): Add btver1 instruction sets.
4078         (ix86_issue_rate): Add btver1.
4079         (ix86_adjust_cost): Add btver1.
4080         * config/i386/i386.h (TARGET_BTVER1): New definition.
4081         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
4082         (enum processor_type): Add PROCESSOR_BTVER1.
4083         * config/i386/i386.md (define_attr "cpu"): Add btver1.
4084
4085 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4086
4087         PR target/43309
4088         * config/i386/i386.c (legitimize_tls_address)
4089         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
4090         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
4091         (tls_initial_exec_64_sun): New pattern.
4092
4093 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4094
4095         * doc/invoke.texi (Overall Options): Improve wording and markup
4096         of the description of -wrapper.
4097
4098 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4099
4100         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
4101         rdynamic, threads): New Driver options.
4102
4103 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4104
4105         PR target/38118
4106         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
4107         if coming from .tdata.
4108         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4109
4110 2011-01-06  Jan Hubicka  <jh@suse.cz>
4111
4112         PR lto/47188
4113         * collect2.c (main): Do not enable LTOmode when plugin is active.
4114
4115 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4116
4117         PR other/45915
4118         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
4119         --version output if supported.
4120         * configure: Regenerate.
4121
4122 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4123
4124         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
4125         Driver options.
4126
4127 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
4128
4129         PR c/47150
4130         * c-convert.c (convert): When converting a complex expression
4131         other than COMPLEX_EXPR to a different complex type, ensure
4132         c_save_expr is called instead of save_expr, unless in_late_binary_op.
4133         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
4134         when converting COMPLEX_TYPE.
4135
4136 2011-01-06  Ira Rosen  <irar@il.ibm.com>
4137
4138         PR tree-optimization/47139
4139         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
4140         only the last reduction value is used outside the loop.  Update
4141         documentation.
4142
4143 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
4144
4145         * config/rtems.opt: New.
4146         * config.gcc (*-*-rtems*): Use rtems.opt.
4147
4148 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
4149
4150         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
4151         processors do not support 3DNow instructions.
4152
4153 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4154
4155         * config/spu/spu.c (spu_option_override): Set parameter
4156         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
4157
4158 2011-01-05  Jan Hubicka  <jh@suse.cz>
4159
4160         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
4161         at the command line.
4162
4163 2011-01-05  Martin Jambor  <mjambor@suse.cz>
4164
4165         PR lto/47162
4166         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
4167         deltas on streamed outgoing edges.
4168         (output_node_opt_summary): Output info for outgoing edges only when
4169         the node is in new parameter set.
4170         (output_cgraph_opt_summary): New parameter set, passed to the two
4171         aforementioned functions.  Update its forward declaration and its
4172         callee too.
4173
4174 2011-01-05  Tom Tromey  <tromey@redhat.com>
4175
4176         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
4177         operator to c_finish_omp_atomic.
4178         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
4179         (build_unary_op): Update.
4180         (build_modify_expr): Update.
4181         (build_asm_expr): Update.
4182
4183 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4184
4185         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
4186         newly inserted insns.
4187         (pad_bb): Likewise.
4188         (spu_emit_branch_hint): Likewise.
4189         (insert_hbrp_for_ilb_runout): Likewise.
4190         (spu_machine_dependent_reorg): Call df_finish_pass after
4191         schedule_insns returns.
4192
4193 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4194
4195         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
4196
4197 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4198
4199         PR tree-optimization/47005
4200         * tree-sra.c (struct access): Add 'non_addressable' bit.
4201         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
4202         (decide_one_param_reduction): Return 0 if the parameter is passed by
4203         reference and one of the accesses in the group is non_addressable.
4204
4205 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4206
4207         PR tree-optimization/47056
4208         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
4209         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
4210         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
4211
4212 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4213
4214         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
4215         initializer.  Skip view conversions from aggregate types.
4216
4217 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
4218
4219         PR bootstrap/47055
4220         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
4221
4222 2011-01-04  Philipp Thomas  <pth@suse.de>
4223
4224         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
4225         obvious typo.
4226
4227 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4228
4229         * function.c (thread_prologue_and_epilogue_insns): Do not crash
4230         on empty epilogue sequences.
4231
4232 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
4233
4234         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
4235         non-static): New Driver options.
4236
4237 2011-01-04  Jie Zhang  <jie@codesourcery.com>
4238
4239         PR driver/47137
4240         * gcc.c (default_compilers[]): Set combinable field to 0
4241         for all assembly languages.
4242
4243 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
4244
4245         * config/mips/loongson3a.md: New file.
4246         * config/mips/mips.md: Include loongson3a.md.
4247         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
4248         TUNE_LOONGSON_3A.
4249
4250 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4251
4252         PR middle-end/47017
4253         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
4254         instead of convert_memory_address_addr_space on the base expression.
4255
4256 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4257
4258         * config/spu/spu.c (spu_option_override): Update error text
4259         for bad -march= / -mtune= values.
4260
4261 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4262
4263         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
4264         if branch-hint optimization will be performed.
4265
4266 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4267
4268         PR tree-optimization/47148
4269         * ipa-split.c (split_function): Convert arguments to
4270         DECL_ARG_TYPE if possible.
4271
4272         PR tree-optimization/47155
4273         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
4274         when computing uns.
4275
4276         PR rtl-optimization/47157
4277         * combine.c (try_combine): If undobuf.other_insn becomes
4278         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
4279         and set *new_direct_jump_p too.
4280
4281 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4282
4283         PR tree-optimization/47021
4284         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
4285
4286 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4287
4288         * gcc.c (process_command): Update copyright notice dates.
4289         * gcov.c (print_version): Likewise.
4290         * gcov-dump.c (print_version): Likewise.
4291         * mips-tfile.c (main): Likewise.
4292         * mips-tdump.c (main): Likewise.
4293
4294 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4295
4296         PR tree-optimization/46801
4297         * tree-sra.c (type_internals_preclude_sra_p): Check whether
4298         aggregate fields start at byte boundary instead of the bit-field flag.
4299
4300 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
4301
4302         PR driver/47137
4303         * gcc.c (main): Revert revision 168407.
4304
4305 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4306
4307         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
4308
4309 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4310
4311         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
4312         vector optab to expand vector/scalar shift, update gimple to vector.
4313
4314 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4315
4316         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
4317         a thunk.
4318
4319 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4320
4321         PR tree-optimization/46984
4322         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
4323         HOST_WIDE_INT.
4324         (cgraph_create_indirect_edge): Fixed line length.
4325         (cgraph_indirect_call_info): Declare.
4326         (cgraph_make_edge_direct) Update declaration.
4327         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
4328         (cgraph_create_indirect_edge): Use it.
4329         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
4330         callees.
4331         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
4332         the new thunk_delta representation.
4333         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
4334         HOST_WIDE_INT.
4335         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
4336         (ipa_read_indirect_edge_info): Likewise.
4337         * lto-cgraph.c (output_edge_opt_summary): New function.
4338         (output_node_opt_summary): Call it on all outgoing edges.
4339         (input_edge_opt_summary): New function.
4340         (input_node_opt_summary): Call it on all outgoing edges.
4341
4342 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
4343
4344         PR driver/47137
4345         * gcc.c (main): Don't check have_o when settting combine_inputs.
4346
4347 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4348
4349         * regrename.c: Add general comment describing the pass.
4350         (struct du_head): Remove 'length' field.
4351         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
4352         (regrename_optimize): Do not sort chains.  Rework comments, add others.
4353         Force renaming to the preferred class (if any) in the first pass and do
4354         not consider registers that belong to it in the second pass.
4355         (create_new_chain): Do not set 'length' field.
4356         (scan_rtx_reg): Likewise.
4357
4358 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
4359
4360         PR tree-optimization/47140
4361         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
4362         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
4363         to bit_value_binop.
4364
4365         PR rtl-optimization/47028
4366         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
4367         parm_birth_insn instead of at the beginning of first bb.
4368
4369 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
4370
4371         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
4372         Remove the word "see" before "@pxref".
4373         * doc/rtl.texi: Remove the word "see" before "@pxref".
4374
4375 2011-01-01  Jan Hubicka  <jh@suse.cz>
4376
4377         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
4378         memory.
4379
4380 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
4381
4382         PR target/38662
4383         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
4384
4385 \f
4386 Copyright (C) 2011 Free Software Foundation, Inc.
4387
4388 Copying and distribution of this file, with or without modification,
4389 are permitted in any medium without royalty provided the copyright
4390 notice and this notice are preserved.