gcc/ChangeLog

   1 2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
   2
   3         * config/sol2.c (solaris_assemble_visibility): Remove obsolete
   4         URLs.
   5
   6 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
   7
   8         PR middle-end/47917
   9         * builtins.c (fold_builtin_snprintf): New function.
  10         (fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
  11         (fold_builtin_4): Likewise.
  12
  13         PR middle-end/38878
  14         * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
  15         STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
  16         and C - X == X also strip nops from +/-/p+ operand.
  17         When optimizing -X == C, fold C to arg0's type.
  18
  19         PR debug/47946
  20         * dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
  21         emit it as add_AT_int instead of add_AT_unsigned.
  22
  23 2011-03-14  Tom Tromey  <tromey@redhat.com>
  24
  25         * unwind-dw2.c: Include sys/sdt.h if it exists.
  26         (_Unwind_DebugHook): Use STAP_PROBE2.
  27         * config.in, configure: Rebuild.
  28         * configure.ac: Check for sys/sdt.h.
  29
  30 2011-03-14  Uros Bizjak  <ubizjak@gmail.com>
  31
  32         * config/i386/i386.md (ROUND_FLOOR): New constant.
  33         (ROUND_CEIL): Ditto.
  34         (ROUND_TRUNC): Ditto.
  35         (ROUND_MXCSR): Ditto.
  36         (ROUND_NO_EXC): Ditto.
  37         (rint<mode>2): Use new defines instead of numerical constants.
  38         (floor<mode>2): Ditto.
  39         (ceil<mode>2): Ditto.
  40         (btrunc<mode>2): Ditto.
  41         * config/i386/i386-builtin-types.def: Define ROUND function type
  42         aliases.
  43         * config/i386/i386.c (enum ix86_builtins): Add
  44         IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
  45         (struct builtin_description): Add
  46         __builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
  47         (ix86_expand_sse_round): New static function.
  48         (ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
  49         function types.
  50         (ix86_builtin_vectorized_function): Handle
  51         BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.
  52
  53 2011-03-14  Tom Tromey  <tromey@redhat.com>
  54
  55         * c-parser.c (c_parser_asm_string_literal): Clear
  56         warn_overlength_strings.
  57
  58 2011-03-14  Tom Tromey  <tromey@redhat.com>
  59
  60         * c-parser.c (disable_extension_diagnostics): Save
  61         warn_overlength_strings.
  62         (restore_extension_diagnostics): Restore warn_overlength_strings.
  63
  64 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
  65
  66         * BASE-VER: Change to 4.7.0.
  67
  68 2011-03-14  Richard Guenther  <rguenther@suse.de>
  69
  70         PR middle-end/48098
  71         * tree.c (build_vector_from_val): Adjust assert to requirements
  72         and reality.
  73
  74 2011-03-14  Jakub Jelinek  <jakub@redhat.com>
  75
  76         PR bootstrap/48102
  77         * graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.
  78
  79 2011-03-14  Andreas Tobler  <andreast@fgznet.ch>
  80
  81         * config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
  82         terms of target_flags_explicit. Adjust copyright year.
  83
  84         * config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
  85         * config/rs6000/t-freebsd: New file. Add override for
  86         LIB2FUNCS_EXTRA.
  87
  88 2011-03-13  Chris Demetriou  <cgd@google.com>
  89
  90         * doc/invoke.texi (-fdiagnostics-show-option): Replace with...
  91         (-fno-diagnostics-show-option): this, to reflect current default.
  92         (-Werror=): Update text about -fno-diagnostics-show-option.
  93
  94 2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>
  95
  96         PR target/48053
  97         * config/rs6000/predicates.md (easy_vector_constant_add_self,
  98         easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
  99         * config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
 100         mode is not V2DImode or V2DFmode.
 101         (vspltis_constant): Do not handle V2DImode and V2DFmode.
 102         (rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
 103         * config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
 104         registers to 0.
 105         (movdi_internal64): Likewise.
 106
 107 2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>
 108
 109         PR tree-optimization/47127
 110         * graphite-clast-to-gimple.c (build_cloog_prog): Removed state
 111         parameter.
 112         (set_cloog_options): Same.
 113         (scop_to_clast): Same.
 114         (print_clast_stmt): Do not call cloog_state_malloc and
 115         cloog_state_free.
 116         (print_generated_program): Same.
 117         (gloog): Same.
 118         * graphite-clast-to-gimple.h (cloog_state): Declared.
 119         (scop_to_clast): Adjust declaration.
 120         * graphite.c (cloog_state): Defined here.
 121         (graphite_initialize): Call cloog_state_malloc.
 122         (graphite_finalize): Call cloog_state_free.
 123
 124 2011-03-11  Jason Merrill  <jason@redhat.com>
 125
 126         * attribs.c (lookup_attribute_spec): Take const_tree.
 127         * tree.h: Adjust.
 128
 129 2011-03-11  Joseph Myers  <joseph@codesourcery.com>
 130
 131         * config/sparc/sparc.c (sparc_option_override): Use
 132         PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".
 133
 134 2011-03-11  Richard Guenther  <rguenther@suse.de>
 135
 136         PR tree-optimization/48067
 137         * tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
 138         multiplication result will be only used once on the target
 139         stmt.
 140
 141 2011-03-11  Richard Guenther  <rguenther@suse.de>
 142
 143         * doc/invoke.texi (max-inline-insns-single): Adjust default value.
 144
 145 2011-03-11  Richard Guenther  <rguenther@suse.de>
 146
 147         PR lto/48073
 148         * tree.c (find_decls_types_r): Do not walk types only reachable
 149         from IDENTIFIER_NODEs.
 150
 151 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
 152
 153         PR middle-end/48044
 154         * ipa.c (cgraph_remove_unreachable_nodes): Enqueue
 155         all vnode->force_output nodes as needed.
 156
 157 2011-03-11  Jason Merrill  <jason@redhat.com>
 158
 159         PR c++/48069
 160         * tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
 161         COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.
 162
 163 2011-03-11  Martin Jambor  <mjambor@suse.cz>
 164
 165         * cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
 166         cgraph_node.
 167
 168 2011-03-11  Jakub Jelinek  <jakub@redhat.com>
 169
 170         PR tree-optimization/48063
 171         * ipa-inline.c (cgraph_decide_inlining): Don't try to
 172         inline functions called once if !tree_can_inline_p (node->callers).
 173
 174 2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>
 175
 176         * config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
 177         extra_objs.
 178         * config/score/score3.c: Delete.
 179         * config/score/score3.h: Delete.
 180         * config/score/mul-div.S: Delete.
 181         * config/score/sfp-machine.h: Add new file.
 182         * config/score/constraints.md: Add new file.
 183         * config/score/t-score-softfp: Add new file.
 184         * config/score/t-score-elf: Remove score3.o, do not generate multilib.
 185         * config/score/score7.c (score7_const_ok_for_letter_p): Delete.
 186         (score7_extra_constraint): Delete.
 187         (score7_option_override): Remove unused code.
 188         * config/score/score.c: Remove score3 and score5 define and code.
 189         * config/score/score.h: Remove score3 and score5 define and code.
 190         * config/score/score.md: Remove score3 template and unusual insn.
 191         * config/score/score.opt: Remove score3 and score5 options.
 192
 193 2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 194
 195         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
 196         when _HPUX_SOURCE is defined.
 197         (LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.
 198
 199 2011-03-10  Jason Merrill  <jason@redhat.com>
 200
 201         PR c++/48029
 202         * stor-layout.c (layout_type): Don't set structural equality
 203         on arrays of incomplete type.
 204         * tree.c (type_hash_eq): Handle comparing them properly.
 205
 206 2011-03-10  Jakub Jelinek  <jakub@redhat.com>
 207
 208         PR debug/48043
 209         * config/s390/s390.c (s390_delegitimize_address): Make sure the
 210         result mode matches original rtl mode.
 211
 212 2011-03-10  Nick Clifton  <nickc@redhat.com>
 213
 214         * config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
 215         (andsi3, andsi3_flags): Fix timings for three operand alternative.
 216
 217 2011-03-09  Jakub Jelinek  <jakub@redhat.com>
 218
 219         PR rtl-optimization/47866
 220         * expr.c (store_field): If MEM_SCALAR_P (target), don't use
 221         MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
 222         if target wasn't scalar.
 223         * function.c (assign_stack_temp_for_type): Assert that neither
 224         MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
 225         MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
 226         macro.
 227         * rtl.h (MEM_SET_IN_STRUCT_P): Removed.
 228
 229 2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 230
 231         * config/s390/s390-protos.h (s390_label_align): New prototype.
 232         * config/s390/s390.c (s390_label_align): New function.
 233         * config/s390/s390.h (LABEL_ALIGN): New target macro definition.
 234
 235 2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>
 236
 237         PR target/47755
 238         * config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
 239         V2DI/V2DF constants.  Only all 0's or all 1's are easy.
 240         (output_vec_const_move): Ditto.
 241
 242 2011-03-08  Anatoly Sokolov  <aesok@post.ru>
 243
 244         * config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
 245         * config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
 246         * config/mips/mips.c (mips_preferred_reload_class): Make static.
 247         Change 'rclass' argument and result type to reg_class_t.
 248         (TARGET_PREFERRED_RELOAD_CLASS): Define.
 249
 250 2011-03-08  Georg-Johann Lay  <avr@gjlay.de>
 251
 252        * config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
 253        * config/avr/avr.c (TARGET_REGISTER_MOVE_COST,
 254        TARGET_MEMORY_MOVE_COST): Define.
 255        (avr_register_move_cost, avr_memory_move_cost): New Functions.
 256
 257 2011-03-08  Jakub Jelinek  <jakub@redhat.com>
 258
 259         PR debug/47881
 260         * ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
 261         removed anything.
 262
 263         PR tree-optimization/48022
 264         * fold-const.c (fold_comparison): Don't call fold_overflow_warning
 265         for EQ/NE_EXPR.
 266
 267 2011-03-07  Jakub Jelinek  <jakub@redhat.com>
 268
 269         PR debug/47991
 270         * var-tracking.c (find_use_val): Return NULL for
 271         cui->sets && cui->store_p BLKmode MEMs.
 272
 273 2011-03-07  Anatoly Sokolov  <aesok@post.ru>
 274
 275         * config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
 276         Remove.
 277         * config/stormy16/stormy16-protos.h (xstormy16_print_operand,
 278         xstormy16_print_operand_address): Remove.
 279         * config/stormy16/stormy16.c (xstormy16_print_operand,
 280         xstormy16_print_operand_address): Make static.
 281         (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
 282
 283 2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>
 284
 285         PR target/47862
 286         * config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
 287         * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
 288         before definition.
 289
 290 2011-03-07  Zdenek Dvorak  <ook@ucw.cz>
 291
 292         PR bootstrap/48000
 293         * cfgloopmanip.c (fix_bb_placements): Return immediately
 294         if FROM is BASE_LOOP's header.
 295
 296 2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>
 297
 298         * gimplify.c (gimplify_function_tree): Fix building calls
 299         to __builtin_return_address.
 300
 301 2011-03-07  Alan Modra  <amodra@gmail.com>
 302
 303         * config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
 304         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
 305         * config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
 306         * config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
 307         return_mode args.
 308         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
 309         (INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
 310         (INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
 311         (INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
 312         * config/rs6000/rs6000.c
 313         (rs6000_elf_end_indicate_exec_stack): Rename to..
 314         (rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
 315         for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
 316         (rs6000_file_start): ..here.
 317         (rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
 318         file scope variables.
 319         (call_ABI_of_interest): New function.
 320         (init_cumulative_args): Set above vars when function return value
 321         is a float, vector, or small struct.
 322         (rs6000_function_arg_advance_1): Likewise for function args.
 323         (rs6000_va_start): Set rs6000_passes_float if variable arg function
 324         references float args.
 325
 326 2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>
 327
 328         * doc/cfg.texi: Remove "See" before @ref.
 329         * doc/invoke.texi: Likewise.
 330
 331 2011-03-05  Jason Merrill  <jason@redhat.com>
 332
 333         * doc/invoke.texi (C++ Dialect Options): Document ABI v5.
 334
 335 2011-03-05  Anthony Green  <green@moxielogic.com>
 336
 337         * config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.
 338
 339 2011-03-05  Zdenek Dvorak  <ook@ucw.cz>
 340
 341         PR rtl-optimization/47899
 342         * cfgloopmanip.c (fix_bb_placements): Fix first argument
 343         to flow_loop_nested_p when moving the loop upward.
 344
 345 2011-03-05  Richard Earnshaw  <rearnsha@arm.com>
 346
 347         PR target/47719
 348         * arm.md (movhi_insn_arch4):  Accept any immediate constant.
 349
 350 2011-03-05  Jakub Jelinek  <jakub@redhat.com>
 351
 352         PR tree-optimization/47967
 353         * ipa-cp.c (build_const_val): Return NULL instead of creating
 354         VIEW_CONVERT_EXPR for mismatching sizes.
 355         (ipcp_create_replace_map): Return NULL if build_const_val failed.
 356         (ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
 357         give up on versioning.
 358
 359 2011-03-05  Alan Modra  <amodra@gmail.com>
 360
 361         PR target/47986
 362         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
 363         full cmodel medium/large lo_sum + high addresses.
 364
 365 2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 366
 367         * config/s390/s390.c (s390_decompose_address): Reject non-literal
 368         pool references in UNSPEC_LTREL_OFFSET.
 369
 370 2011-03-04  Jan Hubicka  <jh@suse.cz>
 371
 372         PR lto/47497
 373         * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
 374         (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
 375         * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
 376         Add node pointers.
 377         * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
 378         cgraph_add_thunk): Add node pointers.
 379         * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
 380         associated to right node.
 381         (input_node): Update use of cgraph_same_body_alias
 382         and cgraph_add_thunk.
 383
 384 2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>
 385
 386         * config/i386/i386.opt (mprefer-avx128): New flag.
 387         * config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
 388         modes when the flag -mprefer-avx128 is on.
 389
 390 2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>
 391
 392         * dwarf2out.c (compare_loc_operands): Fix address handling.
 393
 394 2011-03-04  Alan Modra  <amodra@gmail.com>
 395
 396         * tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.
 397
 398 2011-03-04  Richard Guenther  <rguenther@suse.de>
 399
 400         PR middle-end/47968
 401         * expmed.c (extract_bit_field_1): Prefer vector modes that
 402         vec_extract patterns can handle.
 403
 404 2011-03-04  Richard Guenther  <rguenther@suse.de>
 405
 406         PR middle-end/47975
 407         * optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.
 408
 409 2011-03-04  Richard Henderson  <rth@redhat.com>
 410
 411         * explow.c (emit_stack_save): Remove 'after' parameter.
 412         (emit_stack_restore): Likewise.
 413         * expr.h: Update to match.
 414         * builtins.c, calls.c, stmt.c: Likewise.
 415         * config/alpha/alpha.md, config/avr/avr.md: Likewise.
 416         * config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
 417         * function.c (expand_function_end): Insert the emit_stack_save
 418         sequence before parm_birth_insn instead of after.
 419
 420 2011-03-03  Uros Bizjak  <ubizjak@gmail.com>
 421
 422         * config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
 423         (ssse3_pmaddubsw128): Ditto.
 424         (ssse3_pmaddubsw): Ditto.
 425
 426 2011-03-03  Steve Ellcey  <sje@cup.hp.com>
 427
 428         * config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH
 429
 430 2011-03-03  Jakub Jelinek  <jakub@redhat.com>
 431
 432         PR c/47963
 433         * gimplify.c (omp_add_variable): Only call omp_notice_variable
 434         on TYPE_SIZE_UNIT if it is a DECL.
 435
 436         PR debug/47283
 437         * cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
 438         first operand is not is_gimple_mem_ref_addr, try to fold it.
 439         If the operand still isn't is_gimple_mem_ref_addr, clear
 440         MEM_EXPR on op0.
 441
 442 2011-03-03  Richard Guenther  <rguenther@suse.de>
 443
 444         PR middle-end/47283
 445         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
 446         match comment.
 447         (refs_may_alias_p_1): For release branches return true if
 448         we are confused by our input.
 449
 450 2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
 451
 452         * config/s390/s390.c (s390_function_value): Rename to ...
 453         (s390_function_and_libcall_value): ... this.
 454         (s390_function_value): New function.
 455         (s390_libcall_value): New function.
 456         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
 457         * config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
 458         target macro definitions.
 459         * config/s390/s390-protos.h (s390_function_value): Remove prototype.
 460
 461 2011-03-02  Joseph Myers  <joseph@codesourcery.com>
 462
 463         * config/i386/freebsd64.h (CC1_SPEC): Define.
 464         * config/i386/linux64.h (CC1_SPEC): Define.
 465         * config/i386/x86-64.h (CC1_SPEC): Don't define.
 466
 467 2011-03-02  Anatoly Sokolov  <aesok@post.ru>
 468
 469         * config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
 470         Remove.
 471         * config/stormy16/stormy16.c: Include reload.h.
 472         (xstormy16_memory_move_cost): New function.
 473         (TARGET_MEMORY_MOVE_COST): Define.
 474
 475 2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>
 476
 477         PR rtl-optimization/47925
 478         * cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
 479         with side effects.  Remove the more-specific check for volatile asms.
 480
 481 2011-03-02  Alan Modra  <amodra@gmail.com>
 482
 483         PR target/47935
 484         * config/rs6000/predicates.md (lwa_operand): Check cmodel medium
 485         toc relative addresses for valid offsets.
 486
 487 2011-03-01  Richard Guenther  <rguenther@suse.de>
 488
 489         PR tree-optimization/47890
 490         * tree-vect-loop.c (get_initial_def_for_induction): Set
 491         related stmt properly.
 492
 493 2011-03-01  Richard Guenther  <rguenther@suse.de>
 494
 495         PR lto/47924
 496         * lto-streamer.c (lto_record_common_node): Also register
 497         the canonical type.
 498
 499 2011-03-01  Richard Guenther  <rguenther@suse.de>
 500
 501         PR lto/46911
 502         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 503         Do not stream DECL_ABSTRACT_ORIGIN.
 504         (lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 505         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 506         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 507         Do not stream DECL_ABSTRACT_ORIGIN.
 508         (lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
 509         BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
 510
 511 2011-02-28  Anatoly Sokolov  <aesok@post.ru>
 512
 513         * config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
 514         FUNCTION_VALUE_REGNO_P): Remove.
 515         * config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
 516         * config/stormy16/stormy16.c (xstormy16_function_value): Make static.
 517         Add 'outgoing' argument.
 518         (xstormy16_libcall_value, xstormy16_function_value_regno_p): New
 519         function.
 520         (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
 521         TARGET_FUNCTION_VALUE_REGNO_P): Define.
 522
 523 2011-02-28  Kai Tietz  <kai.tietz@onevision.com>
 524
 525         PR debug/28047
 526         * dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
 527         (lookup_filename): Likewise.
 528         * final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.
 529
 530 2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
 531             Jakub Jelinek  <jakub@redhat.com>
 532
 533         PR middle-end/47893
 534         * rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
 535         (assign_stack_local_1): Change last argument type to int.
 536         * function.c (assign_stack_local_1): Replace reduce_alignment_ok
 537         argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
 538         don't record padding space into frame_space_list nor use those areas.
 539         (assign_stack_local): Adjust caller.
 540         (assign_stack_temp_for_type): Call assign_stack_local_1 instead
 541         of assign_stack_local, pass 0 as last argument.
 542         * caller-save.c (setup_save_areas): Adjust assign_stack_local_1
 543         callers.
 544
 545 2011-02-28  Jakub Jelinek  <jakub@redhat.com>
 546
 547         PR debug/47283
 548         * cfgexpand.c (convert_debug_memory_address): Add AS parameter.
 549         Use target address_mode and pointer_mode hooks instead of hardcoded
 550         Pmode and ptr_mode.  Handle some simple cases of extending if
 551         POINTERS_EXTEND_UNSIGNED < 0.
 552         (expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
 553         Call convert_debug_memory_address.
 554         (expand_debug_expr) <case ADDR_EXPR>: Pass as to
 555         convert_debug_memory_address.
 556
 557         PR middle-end/46790
 558         * configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
 559         * configure: Regenerated.
 560         * config.in: Regenerated.
 561         * varasm.c (default_function_section): Return NULL
 562         if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.
 563
 564 2011-02-28  Martin Jambor  <mjambor@suse.cz>
 565
 566         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
 567         the description to match the printed values.
 568
 569 2011-02-28  Richard Guenther  <rguenther@suse.de>
 570
 571         * tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
 572         of the copied scope tree.
 573
 574 2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 575
 576         * doc/extend.texi (Function Attributes): Avoid deeply (and
 577         wrongly) nested tables.
 578
 579 2011-02-27  Jakub Jelinek  <jakub@redhat.com>
 580
 581         PR middle-end/47903
 582         * real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
 583         MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
 584         r isn't op0 nor op1.
 585
 586 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 587
 588         * config/avr/avr.md: Remove magic comment for emacs.
 589
 590 2011-02-23  Georg-Johann Lay  <avr@gjlay.de>
 591
 592         PR target/45261
 593         * config/avr/avr.c (avr_option_override): Use error on bad options.
 594         (avr_help): New function.
 595         (TARGET_HELP): Define.
 596
 597 2011-02-22  Georg-Johann Lay  <avr@gjlay.de>
 598
 599         PR target/42240
 600         * config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
 601         (TARGET_CANNOT_MODIFY_JUMPS_P): Define.
 602
 603 2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>
 604
 605         * doc/invoke.texi (ARC Options): Use CPU instead of cpu.
 606         (ARM Options): Ditto.
 607         (i386 and x86-64 Options): Ditto.
 608         (RX Options): Ditto.
 609         (SPARC Options): Ditto.
 610
 611 2011-02-26  Tijl Coosemans  <tijl@coosemans.org>
 612
 613         * config.gcc (i386-*-freebsd*): Make i486 the default arch on
 614         FreeBSD 6 and later.  Generally use cpu generic.
 615
 616 2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>
 617
 618         * doc/cpp.texi: Update copyright years.
 619
 620 2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>
 621
 622         PR target/46898
 623         * config/lm32/lm32.md (ashrsi3): Added needed variable.
 624
 625 2011-02-25  Jon Beniston  <jon@beniston.com>
 626
 627         PR target/46898
 628         * config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
 629         * config/lm32/lm32.md (ashlsi3): Remove unused variable.
 630         * config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
 631         (lm32_block_move_inline): Add type cast to remove warning.
 632         (lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
 633         (gen_int_relational): Move declarations to start of function.
 634
 635 2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 636
 637         PR tree-optimization/45470
 638         * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
 639         can throw internally only.
 640         * tree-vect-stmts.c (vectorizable_call): Likewise.
 641
 642 2011-02-24  Anatoly Sokolov  <aesok@post.ru>
 643
 644         * config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
 645         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
 646         * config/stormy16/stormy16-protos.h
 647         (xstormy16_preferred_reload_class): Remove.
 648         * config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
 649         static. Change 'rclass' argument and return type to reg_class_t.
 650         (TARGET_PREFERRED_RELOAD_CLASS,
 651         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
 652
 653 2011-02-24  Richard Guenther  <rguenther@suse.de>
 654
 655         * lto-streamer-in.c (input_bb): Do not find referenced vars
 656         in debug statements.
 657
 658 2011-02-23  Jason Merrill  <jason@redhat.com>
 659
 660         * common.opt (fabi-version): Document v5 and v6.
 661
 662 2011-02-23  Richard Guenther  <rguenther@suse.de>
 663
 664         PR tree-optimization/47849
 665         * tree-if-conv.c (main_tree_if_conversion): Free postdom info.
 666
 667 2011-02-23  Jie Zhang  <jie@codesourcery.com>
 668
 669         * opts-common.c (decode_cmdline_option): Print empty string
 670         argument as "" in decoded->orig_option_with_args_text.
 671         * gcc.c (execute): Print empty string argument as ""
 672         in the verbose output.
 673         (do_spec_1): Keep empty string argument.
 674
 675 2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>
 676
 677         * config.gcc: Declare score-* and crx-* obsolete.
 678
 679 2011-02-23  Jie Zhang  <jie@codesourcery.com>
 680
 681         PR rtl-optimization/47763
 682         * web.c (web_main): Ignore naked clobber when replacing register.
 683
 684 2011-02-22  Anatoly Sokolov  <aesok@post.ru>
 685
 686         * config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
 687         Remove.
 688
 689 2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>
 690
 691         PR doc/47848
 692         * doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.
 693
 694 2011-02-22  Mike Stump  <mikestump@comcast.net>
 695
 696         * acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
 697         assembler.
 698         * configure: Regenerate.
 699
 700 2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>
 701
 702         PR rtl-optimization/46002
 703         * ira-color.c (update_copy_costs): Change class intersection
 704         test to reg_class_contents[] test of 'hard_regno'.
 705
 706 2011-02-21  Joseph Myers  <joseph@codesourcery.com>
 707
 708         * config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
 709         than Driver option.
 710         * config/hpux11.opt (mt): Likewise.
 711         * config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
 712         * config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
 713         * config/vax/elf.opt (mno-asm-pic): Likewise.
 714         * config/vms/vms.opt (map, mvms-return-codes): Likewise.
 715
 716 2011-02-21  Mike Stump  <mikestump@comcast.net>
 717
 718         PR target/47822
 719         * config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
 720         tree so we can get save the type.
 721         * config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
 722         for CFString instead of trying to use past the end of the builtins.
 723         * config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
 724         * config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
 725         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
 726         * config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
 727         Rename to darwin_builtin_cfstring.
 728         (darwin_init_cfstring_builtins): Return the built type.
 729
 730 2011-02-21  Uros Bizjak  <ubizjak@gmail.com>
 731
 732         PR target/47840
 733         * config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
 734         (_mm256_insert_epi64): Use _mm_insert_epi64.
 735
 736 2011-02-21  Anatoly Sokolov  <aesok@post.ru>
 737
 738         * config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
 739         * config/stormy16/stormy16-protos.h
 740         (xstormy16_mode_dependent_address_p): Remove.
 741         * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
 742         Make static. Change return type to bool. Change argument type to
 743         const_rtx. Remove dead code.
 744         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
 745
 746 2011-02-21  Richard Guenther  <rguenther@suse.de>
 747
 748         PR lto/47820
 749         * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
 750         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
 751         (lto_input_ts_block_tree_pointers): Hook a BLOCK into the
 752         TUs context.
 753         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
 754         Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
 755
 756 2011-02-20  Richard Guenther  <rguenther@suse.de>
 757
 758         PR lto/47822
 759         * tree.c (free_lang_data_in_decl): Clean builtins from
 760         the TU decl BLOCK_VARS.
 761
 762 2011-02-19  Alexandre Oliva  <aoliva@redhat.com>
 763
 764         PR debug/47620
 765         PR debug/47630
 766         * haifa-sched.c (fix_tick_ready): Skip tick computation
 767         for debug insns.
 768
 769 2011-02-19  Richard Guenther  <rguenther@suse.de>
 770
 771         PR lto/47647
 772         * lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
 773         Remove lazy BLOCK_VARS streaming.
 774         (lto_input_ts_block_tree_pointers): Likewise.
 775         * lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.
 776
 777 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
 778
 779         * config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.
 780
 781 2011-02-19  Joseph Myers  <joseph@codesourcery.com>
 782
 783         * config/i386/biarch32.h, config/i386/mach.h,
 784         config/rs6000/aix.opt, config/sh/superh64.h: Remove.
 785
 786 2011-02-19  Jakub Jelinek  <jakub@redhat.com>
 787
 788         PR target/47800
 789         * config/i386/i386.md (peephole2 for shift and plus): Use
 790         operands[1] original mode in the first insn.
 791
 792 2011-02-18  Mike Stump  <mikestump@comcast.net>
 793
 794         * config/t-darwin (TM_H): Add dependency on darwin-sections.def.
 795
 796 2011-02-18  Jan Hubicka  <jh@suse.cz>
 797
 798         PR middle-end/47788
 799         * ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
 800         to zero when the function is not inlinable at all.
 801
 802 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 803
 804         * config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
 805         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
 806         pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
 807         * config/pa/t-pa-hpux11: Add rules to build pthread stubs.
 808         * config/pa/t-pa64: Likewise.
 809         * config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.
 810
 811 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
 812
 813         PR driver/47787
 814         * gcc.c (default_compilers): Clear combinable field for "@cpp-output".
 815
 816 2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 817
 818         PR target/47792
 819         * gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.
 820
 821 2011-02-18  Anatoly Sokolov  <aesok@post.ru>
 822
 823         * config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
 824         RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
 825         LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
 826         GO_IF_LEGITIMATE_ADDRESS): Remove macros.
 827         * config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
 828         (m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
 829         m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
 830         m32r_load_postinc_p, m32r_store_preinc_predec_p,
 831         m32r_legitimate_address_p): New functions.
 832         * config/m32r/constraints.md (constraint "S"): Don't use
 833         STORE_PREINC_PREDEC_P.
 834         (constraint "U"): Don't use LOAD_POSTINC_P.
 835
 836 2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>
 837
 838         PR rtl-optimization/46178
 839         * ira.c (setup_hard_regno_class): Use ira_class_translate[] to
 840         compute ira_hard_regno_cover_class[].
 841
 842 2011-02-18  Richard Guenther  <rguenther@suse.de>
 843
 844         PR lto/47798
 845         * lto-streamer.h (lto_global_var_decls): Declare.
 846         * lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
 847         statics for global var processing.
 848
 849 2011-02-18  Richard Guenther  <rguenther@suse.de>
 850
 851         PR tree-optimization/47737
 852         * tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
 853         edge dominance check.
 854
 855 2011-02-18  Jakub Jelinek  <jakub@redhat.com>
 856
 857         PR debug/47780
 858         * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
 859         avoid invalid rtx sharing.
 860
 861 2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
 862
 863         * doc/cpp.texi (Obsolete Features): Add background on the
 864         origin of assertions.
 865
 866 2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>
 867
 868         * config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
 869         objc_abi == 2.
 870         * config/darwin.c (output_objc_section_asm_op): Added support for
 871         ABI v1 and v2.
 872         (is_objc_metadata): New.
 873         (darwin_objc2_section): New.
 874         (darwin_objc1_section): New.
 875         (machopic_select_section): Added support for ABI v1 and v2.
 876         (darwin_emit_objc_zeroed): New.
 877         (darwin_output_aligned_bss): Detect objc metadata and treat it
 878         appropriately.
 879         (darwin_asm_output_aligned_decl_common): Same.
 880         (darwin_asm_output_aligned_decl_local): Same.
 881         * config/darwin-sections.def: Updated for ABI v1 and v2.
 882         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
 883         compiling Objective-C code for the NeXT runtime, default to using
 884         ABI version 0 for 32-bit, and version 2 for 64-bit.
 885
 886 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 887
 888         * common.opt (optimize_fast): New Variable.
 889         * opts.c (default_options_optimization): Use opts->x_optimize_fast
 890         instead of local variable ofast.
 891
 892 2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>
 893
 894         * doc/invoke.texi (fobjc-abi-version): Documented.
 895         (fobjc-nilcheck): Documented.
 896         (fno-nil-receiver): Updated documentation to refer to the NeXT ABI
 897         version.
 898
 899 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 900
 901         PR driver/47390
 902         * common.opt (export-dynamic): New Driver option.
 903         * gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
 904
 905 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 906
 907         * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.
 908
 909 2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
 910             Jan Hubicka  <jh@suse.cz>
 911
 912         PR debug/47106
 913         PR debug/47402
 914         * cfgexpand.c (account_used_vars_for_block): Remove.
 915         (estimated_stack_frame_size): Use referenced vars.
 916         * tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
 917         that were referenced in the original function.  Test src_fn
 918         rather than cfun.  Drop redundant get_var_ann.
 919         (setup_one_parameter): Drop redundant get_var_ann.
 920         (declare_return_variable): Likewise.
 921         (copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
 922         (copy_arguments_for_versioning): Drop redundant get_var_ann.
 923         * ipa-inline.c (compute_inline_parameters): Do not compute
 924         disregard_inline_limits here.
 925         (compute_inlinable_for_current, pass_inlinable): New.
 926         (pass_inline_parameters): Require PROP_referenced_vars.
 927         * cgraphunit.c (cgraph_process_new_functions): Don't run
 928         compute_inline_parameters explicitly unless function is in SSA form.
 929         (cgraph_analyze_function): Set .disregard_inline_limits.
 930         * tree-sra.c (convert_callers): Compute inliner parameters
 931         only for functions already in SSA form.
 932
 933 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 934
 935         * config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
 936         -mlittle-endian-data.
 937
 938 2011-02-17  Joseph Myers  <joseph@codesourcery.com>
 939
 940         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
 941         -mno-fpu, not -fpu and -no-fpu.
 942         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
 943         * config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.
 944
 945 2011-02-17  Uros Bizjak  <ubizjak@gmail.com>
 946
 947         PR target/43653
 948         * config/i386/i386.c (ix86_secondary_reload): Handle SSE
 949         input reload with PLUS RTX.
 950
 951 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 952
 953         * config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
 954         of InverseVar(MDMX).
 955
 956 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 957
 958         * config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
 959         --m4-340.
 960
 961 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 962
 963         * config/mn10300/mn10300.opt (mno-crt0): New.
 964
 965 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 966
 967         * config/m68k/uclinux.opt (static-libc): New Driver option.
 968
 969 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 970
 971         * config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.
 972
 973 2011-02-16  Joseph Myers  <joseph@codesourcery.com>
 974
 975         * config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
 976         %{muser-extend-enabled}.
 977
 978 2011-02-16  Richard Guenther  <rguenther@suse.de>
 979
 980         PR tree-optimization/47738
 981         * tree-ssa-loop.c (run_tree_predictive_commoning): Return
 982         the TODO from tree_predictive_commoning.
 983
 984 2011-02-15  Jeff Law  <law@redhat.com>
 985
 986         Revert
 987         2011-01-25  Jeff Law  <law@redhat.com>
 988
 989         PR rtl-optimization/37273
 990         * ira-costs.c (scan_one_insn): Detect constants living in memory and
 991         handle them like argument loads from stack slots.  Do not double
 992         count memory for memory constants and argument loads from stack slots.
 993
 994 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 995
 996         PR middle-end/47725
 997         * combine.c (cant_combine_insn_p): Revert the last change.
 998
 999 2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>
1000
1001         PR target/47755
1002         * config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
1003         mode for vector constants.  Remove code that checks for TImode.
1004
1005 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1006
1007         PR debug/47106
1008         PR debug/47402
1009         * cgraph.h (compute_inline_parameters): Return void.
1010         * ipa-inline.c (compute_inline_parameters): Adjust.
1011
1012 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1013
1014         PR debug/47106
1015         PR debug/47402
1016         * tree-inline.h (estimated_stack_frame_size): Take cgraph node
1017         rather than decl.
1018         * cfgexpand.c (estimated_stack_frame_size): Likewise.
1019         * ipa-inline.c (compute_inline_parameters): Adjust.
1020
1021 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1022
1023         PR debug/47106
1024         PR debug/47402
1025         * tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
1026         Adjust all users.  Pass FN to...
1027         * tree-flow-inline.h (first_referenced_var): ... this.  Add
1028         fn argument.
1029         * ipa-struct-reorg.c: Adjust.
1030         * tree-dfa.c: Adjust.
1031         * tree-into-ssa.c: Adjust.
1032         * tree-sra.c: Adjust.
1033         * tree-ssa-alias.c: Adjust.
1034         * tree-ssa-live.c: Adjust.
1035         * tree-ssa.c: Adjust.
1036         * tree-ssanames.c: Adjust.
1037         * tree-tailcall.c: Adjust.
1038
1039 2011-02-15  Alexandre Oliva  <aoliva@redhat.com>
1040
1041         PR debug/47106
1042         PR debug/47402
1043         * tree-flow.h (referenced_var_lookup): Add fn parameter.
1044         Adjust all callers.
1045         * tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
1046         * tree-flow-inline.h: Adjust.
1047         * gimple-pretty-print.c: Adjust.
1048         * tree-into-ssa.c: Adjust.
1049         * tree-ssa.c: Adjust.
1050         * cfgexpand.c: Adjust.
1051
1052 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1053
1054         * config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
1055         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1056         (EXTRA_CONSTRAINT): Delete.
1057         * config/iq2000/constraints.md: New file.
1058         * config/iq2000/iq2000.md: Include it.
1059         (define_insn ""): Delete.
1060         (movsi_internal2, movhi_internal2, movqi_internal2): Delete
1061         unsupported constraint letters from patterns.
1062         (call_value, call_value_internal1): Likewise.
1063         (call_value_multiple_internal1): Likewise.
1064
1065 2011-02-15  Nick Clifton  <nickc@redhat.com>
1066
1067         * config/mn10300/mn10300.c: Include tm-constrs.h.
1068         (struct liw_data): New data structure describing an LIW candidate
1069         instruction.
1070         (extract_bundle): Use struct liw_data.  Allow small integer
1071         operands for some instructions.
1072         (check_liw_constraints): Use struct liw_data.  Remove swapped
1073         parameter.  Add comments describing the checks.  Fix bug when
1074         assigning the source of liw1 to the source of liw2.
1075         (liw_candidate): Delete.  Code moved into extract_bundle.
1076         (mn10300_bundle_liw): Use struct liw_data.  Check constraints
1077         before swapping.
1078         * config/mn10300/predicates.md (liw_operand): New predicate.
1079         Allows registers and small integer constants.
1080         * config/mn10300/constraints.md (O): New constraint.  Accetps
1081         integers in the range -8 to +7 inclusive.
1082         * config/mn10300/mn10300.md (movesi_internal): Add an alternative
1083         for moving a small integer into a register.  Give this alternative
1084         LIW attributes.
1085         (addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
1086         (ashlsi3): Likewise, plus give LIW attributes to the alternatives
1087         using the J,K,L and M constraints,
1088         (liw): Remove SI mode on second operands to allow for HI and QI
1089         mode values.
1090         (cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
1091         instruction.
1092
1093 2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1094
1095         PR middle-end/47725
1096         * combine.c (cant_combine_insn_p): Check zero/sign extended
1097         hard registers.
1098
1099 2011-02-15  Richard Guenther  <rguenther@suse.de>
1100
1101         PR tree-optimization/47743
1102         * tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
1103         for a non-type-compatible VN lookup bail out.
1104
1105 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1106
1107         * config/fr30/constraints.md: New file.
1108         * config/fr30/fr30.md: Include it.
1109         * config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
1110         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1111         (EXTRA_CONSTRAINT): Delete.
1112
1113 2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>
1114
1115         * config/frv/constraints.md: New file.
1116         * config/frv/predicates.md: Include it.
1117         * config/frv/frv.c (reg_class_from_letter): Delete.
1118         (frv_option_override): Don't initialize it.
1119         * config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
1120         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
1121         (CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
1122         (CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1123         (CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
1124         (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1125         (EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
1126         (EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
1127         (EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
1128         (EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
1129         (REG_CLASS_FROM_CONSTRAINT): Delete.
1130
1131 2011-02-15  Jakub Jelinek  <jakub@redhat.com>
1132
1133         PR middle-end/47581
1134         * config/i386/i386.c (ix86_compute_frame_size): Don't align offset
1135         if frame size is 0 in a leaf function.
1136
1137 2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1138
1139         PR pch/14940
1140         * config/alpha/host-osf.c: New file.
1141         * config/alpha/x-osf: New file.
1142         * config.host (alpha*-dec-osf*): Use it.
1143
1144 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1145
1146         * config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
1147         * config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
1148         * config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
1149         (rx_mode_dependent_address_p): ...this. Make static. Change argument
1150         type to const_rtx.
1151         (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
1152
1153 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1154
1155         * config/stormy16/constraints.md: New file.
1156         * config/stormy16/predicates.md (nonimmediate_nonstack_operand):
1157         Use satisfies_constraint_Q and satisfies_constraint_R.
1158         * config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
1159         Delete.
1160         (xstormy16_legitiamte_address_p): Declare.
1161         * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
1162         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1163         (EXTRA_CONSTRAINT): Delete.
1164         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
1165         Un-staticize.
1166         (xstormy16_extra_constraint_p): Delete.
1167
1168 2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>
1169
1170         PR tree-optimization/46494
1171         * loop-unroll.c (split_edge_and_insert): Adjust comment.
1172         * loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
1173         (pass_rtl_loop_done): Add TODO_verify_flow.
1174         * fwprop.c (pass_rtl_fwprop): Likewise.
1175         * modulo-sched.c (pass_sms): Likewise.
1176         * tree-ssa-dom.c (pass_dominator): Likewise.
1177         * tree-ssa-loop-ch.c (pass_ch): Likewise.
1178         * tree-ssa-loop.c (pass_complete_unrolli): Likewise.
1179         (pass_tree_loop_done): Likewise.
1180         * tree-ssa-pre.c (execute_pre): Likewise.
1181         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
1182         * tree-ssa-sink.c (pass_sink_code): Likewise.
1183         * tree-vrp.c (pass_vrp): Likewise.
1184
1185 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1186
1187         * config/v850/constraints.md: New file.
1188         * config/v850/v850.md: Include it.
1189         * config/v850/predicates.md (reg_or_0_operand): Use
1190         satisfies_constraint_G.
1191         (special_symbolref_operand): Use satisfies_constraint_K.
1192         * config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
1193         (GO_IF_LEGITIMATE_ADDRESS): Likewise.
1194         (REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
1195         (CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
1196         (EXTRA_CONSTRAINT): Delete.
1197         (CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
1198         (CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
1199         (CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.
1200
1201 2011-02-14  Anatoly Sokolov  <aesok@post.ru>
1202
1203         PR target/47696
1204         * config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
1205         description.
1206
1207 2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>
1208
1209         * config/mcore/constraints.md: New file.
1210         * config/mcore/mcore.md: Include it.
1211         * config/mcore/mcore.c (reg_class_from_letter): Delete.
1212         * config/mcore/mcore.h (reg_class_from_letter): Delete.
1213         (REG_CLASS_FROM_LETTER): Delete.
1214         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
1215         insn_const_int_ok_for_constraint.
1216         (CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
1217         (CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
1218         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1219         (EXTRA_CONSTRAINT): Delete.
1220
1221 2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1222
1223         PR ada/41929
1224         * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
1225         (IS_SIGHANDLER): Define.
1226         (sparc64_is_sighandler): New function, split off from
1227         sparc64_fallback_frame_state.
1228         (sparc_is_sighandler): New function, split off from
1229         sparc_fallback_frame_state.
1230         (sparc64_fallback_frame_state): Merge with ...
1231         (sparc_fallback_frame_state): ... this into ...
1232         (MD_FALLBACK_FRAME_STATE_FOR): ... this.
1233         Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
1234         Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
1235         stack instead of hardcoded offsets.
1236
1237 2011-02-14  Andriy Gapon  <avg@freebsd.org>
1238
1239         PR target/45808
1240         * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.
1241
1242 2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1243
1244         * configure: Regenerate.
1245
1246 2011-02-12  Joseph Myers  <joseph@codesourcery.com>
1247
1248         PR driver/45731
1249         * gcc.c (asm_options): Correct spec matching --target-help.
1250
1251 2011-02-12  Martin Jambor  <mjambor@suse.cz>
1252
1253         * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
1254         to gimple call error.
1255
1256 2011-02-12  Mike Stump  <mikestump@comcast.net>
1257
1258         * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
1259         comments in backslash regions.
1260
1261 2011-02-12  Mike Stump  <mikestump@comcast.net>
1262             Jakub Jelinek  <jakub@redhat.com>
1263             Iain Sandoe  <iains@gcc.gnu.org>
1264
1265         PR target/47324
1266         * dwarf2out.c (output_cfa_loc): When required, apply the
1267         DWARF2_FRAME_REG_OUT macro to adjust register numbers.
1268         (output_loc_sequence): Likewise.
1269         (output_loc_operands_raw): Likewise.
1270         (output_loc_sequence_raw): Likewise.
1271         (output_cfa_loc): Likewise.
1272         (output_loc_list): Suppress register number adjustment when
1273         calling output_loc_sequence()
1274         (output_die): Likewise.
1275
1276 2011-02-12  Anatoly Sokolov  <aesok@post.ru>
1277
1278         * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
1279         Remove macros.
1280         * config/xtensa/xtensa.c (xtensa_register_move_cost,
1281         xtensa_memory_move_cost): New functions.
1282         (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.
1283
1284 2011-02-12  Alexandre Oliva  <aoliva@redhat.com>
1285
1286         PR lto/47225
1287         * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
1288         in the current directory.
1289         * configure: Rebuilt.
1290
1291 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1292
1293         * config/darwin.c (darwin_override_options): Add a hunk missed
1294         from the commit of r168571.  Trim comment line lengths and
1295         correct indents of the preceding block.
1296
1297 2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>
1298
1299         * gcc.c (driver_handle_option): Concatenate the argument to -F with
1300         the switch.
1301
1302 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1303
1304         * common.opt (nostartfiles): New Driver option.
1305
1306 2011-02-11  Xinliang David Li  <davidxl@google.com>
1307
1308         PR tree-optimization/47707
1309         * tree-chrec.c (convert_affine_scev): Keep type precision.
1310
1311 2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>
1312
1313         PR tree-optimization/47420
1314         * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.
1315
1316 2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>
1317
1318         PR rtl-optimization/47614
1319         * rtl.h (check_for_inc_dec): Declare.
1320         * dse.c (check_for_inc_dec): Externalize...
1321         * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
1322         (reload_cse_simplify_operands): Don't simplify opnds with side effects.
1323
1324 2011-02-11  Joseph Myers  <joseph@codesourcery.com>
1325
1326         PR driver/47678
1327         * gcc.c (main): Do not compile inputs if there were errors in
1328         option handling.
1329         * opts-common.c (read_cmdline_option): Check for wrong language
1330         after other error checks.
1331
1332 2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>
1333
1334         * cgraph.c: Fix comment typos.
1335         * cgraph.h: Likewise.
1336         * cgraphunit.c: Likewise.
1337         * ipa-cp.c: Likewise.
1338         * ipa-inline.c: Likewise.
1339         * ipa-prop.c: Likewise.
1340         * ipa-pure-const.c: Likewise.
1341         * ipa-ref.c: Likewise.
1342         * ipa-reference.c: Likewise.
1343
1344 2011-02-11  Jakub Jelinek  <jakub@redhat.com>
1345
1346         PR debug/47684
1347         * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.
1348
1349 2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1350
1351         PR testsuite/47400
1352         * doc/sourcebuild.texi (Require Support): Document
1353         dg-require-ascii-locale.
1354
1355 2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>
1356
1357         * doc/lto.texi (Write summary): Fix missing parentheses.
1358
1359 2011-02-10  DJ Delorie  <dj@redhat.com>
1360
1361         * config/m32c/m32c.c (m32c_option_override): Disable
1362         -fcombine-stack-adjustments until flag value tracking and compare
1363         optimization can be rewritten.
1364
1365 2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>
1366
1367         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
1368         PROCESSOR_POWER7.
1369         (PROCESSOR_DEFAULT64): Likewise.
1370
1371 2011-02-10  Richard Henderson  <rth@redhat.com>
1372
1373         * config/rx/predicates.md (rx_zs_comparison_operator): Revert
1374         change from 2011-02-03.
1375         * config/rx/rx.c (flags_from_code): Likewise.
1376         (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
1377         is valid, n/pz otherwise.
1378         (rx_select_cc_mode): Return CCmode if Y is not zero.
1379
1380 2011-02-10  Richard Guenther  <rguenther@suse.de>
1381
1382         * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.
1383
1384 2011-02-10  Richard Guenther  <rguenther@suse.de>
1385
1386         PR tree-optimization/47677
1387         * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.
1388
1389 2011-02-10  Jakub Jelinek  <jakub@redhat.com>
1390
1391         PR target/47665
1392         * combine.c (make_compound_operation): Only change shifts into
1393         multiplication for SCALAR_INT_MODE_P.
1394
1395 2011-02-10  Jie Zhang  <jie@codesourcery.com>
1396
1397         PR testsuite/47622
1398         Revert
1399         2011-02-05  Jie Zhang  <jie@codesourcery.com>
1400         PR debug/42631
1401         * web.c (entry_register): Don't clobber the number of the
1402         first uninitialized reference in used[].
1403
1404 2011-02-09  Richard Guenther  <rguenther@suse.de>
1405
1406         PR tree-optimization/47664
1407         * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
1408         all edges again.
1409
1410 2011-02-09  David Edelsohn  <dje.gcc@gmail.com>
1411
1412         PR target/46481
1413         PR target/47032
1414         * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
1415         PROCESSOR_POWER7.
1416         (PROCESSOR_DEFAULT64): Same.
1417         (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.
1418
1419 2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1420
1421         * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.
1422
1423 2011-02-09  Martin Jambor  <mjambor@suse.cz>
1424
1425         PR middle-end/45505
1426         * tree-sra.c (struct access): New flags grp_scalar_read and
1427         grp_scalar_write.  Changed description of assignment read and write
1428         flags.
1429         (dump_access): Dump new flags, reorder all of them.
1430         (sort_and_splice_var_accesses): Set the new flag accordingly, use them
1431         to detect multiple scalar reads.
1432         (analyze_access_subtree): Use the new scalar read write flags instead
1433         of the old flags.  Adjusted comments.
1434
1435 2011-02-08  DJ Delorie  <dj@redhat.com>
1436
1437         PR target/47548
1438         * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
1439         patterns.
1440
1441 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1442
1443         * config/m68k/uclinux.opt: New.
1444         * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.
1445
1446 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1447
1448         * config/cris/elf.opt (sim): New Driver option.
1449
1450 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1451
1452         * config/xtensa/elf.opt: New.
1453         * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.
1454
1455 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1456
1457         * config/vax/elf.opt: New.
1458         * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.
1459
1460 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1461
1462         * config/rs6000/aix64.opt (posix, pthread): New Driver options.
1463
1464 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1465
1466         * config/gnu-user.opt: New.
1467         * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
1468         *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
1469         *-*-uclinux*): Use gnu-user.opt.
1470
1471 2011-02-08  Thomas Schwinge  <thomas@schwinge.name>
1472
1473         * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
1474         * config/i386/gnu.h (CPP_SPEC): Likewise.
1475
1476 2011-02-08  Ian Lance Taylor  <iant@google.com>
1477
1478         * common.opt (fcx-limited-range): Add SetByCombined flag.
1479         (ffinite-math-only, fmath-errno, frounding-math): Likewise.
1480         (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
1481         (fassociative-math, freciprocal-math): Likewise.
1482         (funsafe-math-optimizations): Likewise.
1483         * opth-gen.awk: Handle SetByCombined.
1484         * optc-gen.awk: Likewise.
1485         * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
1486         (set_unsafe_math_optimizations_flags): Likewise.
1487         * doc/options.texi (Option properties): Document SetByCombined.
1488
1489 2011-02-08  Joseph Myers  <joseph@codesourcery.com>
1490
1491         * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
1492         i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
1493         m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
1494         m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
1495         sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.
1496
1497 2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>
1498
1499         PR tree-optimization/46834
1500         PR tree-optimization/46994
1501         PR tree-optimization/46995
1502         * graphite-sese-to-poly.c (used_outside_reduction): New.
1503         (detect_commutative_reduction): Call used_outside_reduction.
1504         (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
1505         translate_scalar_reduction_to_array only when at least one
1506         loop-phi/close-phi tuple has been detected.
1507
1508 2011-02-08  Richard Guenther  <rguenther@suse.de>
1509
1510         PR middle-end/47639
1511         * tree-vect-generic.c (expand_vector_operations_1): Update
1512         stmts here ...
1513         (expand_vector_operations): ... not here.  Cleanup EH info
1514         and the CFG if required.
1515
1516 2011-02-08  Richard Guenther  <rguenther@suse.de>
1517
1518         PR tree-optimization/47641
1519         * tree-ssa.c (execute_update_addresses_taken): For asm outputs
1520         require type compatibility.
1521
1522 2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1523
1524         * gimple-low.c (lower_function_body): Don't remove the location of
1525         the return statement here.
1526         (lower_gimple_return): Do it here instead but only if the return
1527         statement is actually used twice.
1528
1529 2011-02-08  Richard Guenther  <rguenther@suse.de>
1530
1531         PR tree-optimization/47632
1532         * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
1533         unused up_to_stmt parameter, return whether cfg-cleanup is
1534         necessary, remove EH info properly.
1535         (forward_propagate_into_gimple_cond): Adjust caller.
1536         (forward_propagate_into_cond): Likewise.
1537         (forward_propagate_comparison): Likewise.
1538         (tree_ssa_forward_propagate_single_use_vars): Make
1539         forward_propagate_comparison case similar to the two others.
1540
1541 2011-02-08  Nick Clifton  <nickc@redhat.com>
1542
1543         * config/mn10300/mn10300.opt (mliw): New command line option.
1544         * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
1545         (liw_bundling): New automaton.
1546         (liw): New attribute.
1547         (liw_op): New attribute.
1548         (liw_op1, liw_op2, liw_both, liw_either): New reservations.
1549         (movsi_internal): Add LIW attributes.
1550         (andsi3): Likewise.
1551         (iorsi3): Likewise.
1552         (xorsi3): Likewise.
1553         (addsi3): Separate register and immediate alternatives.
1554         Add LIW attributes.
1555         (subsi3): Likewise.
1556         (cmpsi): Likewise.
1557         (aslsi3): Likewise.
1558         (lshrsi3): Likewise.
1559         (ashrsi3): Likewise.
1560         (liw): New pattern.
1561         * config/mn10300/mn10300.c (liw_op_names): New
1562         (mn10300_print_operand): Handle 'W' operand descriptor.
1563         (extract_bundle): New function.
1564         (check_liw_constraints): New function.
1565         (liw_candidate): New function.
1566         (mn10300_bundle_liw): New function.
1567         (mn10300_reorg): New function.
1568         (TARGET_MACHINE_DEPENDENT_REORG): Define.
1569         (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
1570         * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
1571         __LIW__ or __NO_LIW__.
1572         * doc/invoke.texi: Describe the -mliw command line option.
1573
1574 2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1575
1576         * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
1577         * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
1578         pthread_mutex_unlock): Remove.
1579         * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
1580         * config/pa/t-pa64: Likewise.
1581         * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
1582         shared libc if not linking against libpthread.
1583         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1584
1585 2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>
1586
1587         PR target/47558
1588         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
1589         on 10.6 and later to ensure that we always use the unwinder from
1590         the system.  Only add -no_compact_unwind when tarteting darwin
1591         10.6 or later.
1592
1593 2011-02-07  Steve Ellcey  <sje@cup.hp.com>
1594
1595         PR target/46997
1596         * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
1597         (vec_interleave_lowv2sf): Ditto.
1598         (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
1599         (vec_extract_oddv2sf): Ditto.
1600
1601 2011-02-07  Mike Stump  <mikestump@comcast.net>
1602
1603         PR target/42333
1604         Add __ieee_divdc3 entry point.
1605         * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
1606         entry point.
1607         (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
1608         * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
1609         * config/darwin.c (darwin_rename_builtins): Add.
1610         * config/darwin-protos.h (darwin_rename_builtins): Add.
1611
1612 2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
1613
1614         PR target/47636
1615         * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
1616         for the condition.
1617
1618 2011-02-07  Mike Stump  <mikestump@comcast.net>
1619
1620         * config/darwin.opt (mmacosx-version-min): Update default OS version.
1621
1622 2011-02-07  Denis Chertykov  <chertykov@gmail.com>
1623
1624         PR target/47534
1625         * config/avr/libgcc.S (exit): Move .endfunc
1626
1627 2011-02-07  Richard Guenther  <rguenther@suse.de>
1628
1629         PR tree-optimization/47615
1630         * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
1631         * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
1632         (run_scc_vn): Initialize it.
1633         (visit_reference_op_load): Use it.
1634         * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.
1635
1636 2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1637
1638         * config/spu/spu.c (spu_init_libfuncs): Install SImode and
1639         DImode trapping arithmetic libfuncs.
1640
1641 2011-02-07  Richard Guenther  <rguenther@suse.de>
1642
1643         PR tree-optimization/47621
1644         * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
1645         two duplicates ...
1646         (execute_update_addresses_taken): ... here.  Make it more
1647         conservative in what we accept.
1648
1649 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1650
1651         * config/sparc/freebsd.h (ASM_SPEC): Define.
1652         * config/sparc/vxworks.h (ASM_SPEC): Define.
1653
1654 2011-02-06  Joseph Myers  <joseph@codesourcery.com>
1655
1656         * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.
1657
1658 2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>
1659
1660         * doc/invoke.texi: Remove reference to compiler internals from
1661         user documentation.
1662
1663         * reg-notes.def: Remove REG_VALUE_PROFILE.
1664         * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.
1665
1666 2011-02-05  Jakub Jelinek  <jakub@redhat.com>
1667
1668         PR middle-end/47610
1669         * varasm.c (default_section_type_flags): If decl is NULL,
1670         and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.
1671
1672 2011-02-05  Jie Zhang  <jie@codesourcery.com>
1673
1674         PR debug/42631
1675         * web.c (entry_register): Don't clobber the number of the
1676         first uninitialized reference in used[].
1677
1678 2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>
1679
1680         PR tree-optimization/46194
1681         * tree-data-ref.c (analyze_miv_subscript): Remove comment.
1682         (build_classic_dist_vector_1): Do not represent classic distance
1683         vectors when the access functions are variating in different loops.
1684
1685 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1686
1687         * config/mips/iris6.opt: New.
1688         * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.
1689
1690 2011-02-04  Richard Henderson  <rth@redhat.com>
1691             Steve Ellcey  <sje@cup.hp.com>
1692
1693         PR target/46997
1694         * config/ia64/predicates.md (mux1_brcst_element): New.
1695         * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
1696         * config/ia64/ia64.c (ia64_unpack_assemble): New.
1697         (ia64_unpack_sign): New.
1698         (ia64_expand_unpack): Rewrite using new routines.
1699         (ia64_expand_widen_sum): Ditto.
1700         (ia64_expand_dot_prod_v8qi): Ditto.
1701         * config/ia64/vect.md (mulv8qi3): Rewrite to use new
1702         routines, add endian check.
1703         (pmpy2_even): Rename from pmpy2_r, add endian check.
1704         (pmpy2_odd): Rename from pmpy2_l, add endian check.
1705         (vec_widen_smult_lo_v4hi): Rewrite using new routines.
1706         (vec_widen_smult_hi_v4hi): Ditto.
1707         (vec_widen_umult_lo_v4hi): Ditto.
1708         (vec_widen_umult_hi_v4hi): Ditto.
1709         (mulv2si3): Change endian checks.
1710         (sdot_prodv4hi): Rewrite with new calls.
1711         (udot_prodv4hi): New.
1712         (vec_pack_ssat_v4hi): Add endian check.
1713         (vec_pack_usat_v4hi): Ditto.
1714         (vec_pack_ssat_v2si): Ditto.
1715         (max1_even): Rename from max1_r, add endian check.
1716         (max1_odd): Rename from max1_l, add endian check.
1717         (*mux1_rev): Format change.
1718         (*mux1_mix): Ditto.
1719         (*mux1_shuf): Ditto.
1720         (*mux1_alt): Ditto.
1721         (*mux1_brcst_v8qi): Use new predicate.
1722         (vec_extract_evenv8qi): Remove endian check.
1723         (vec_extract_oddv8qi): Ditto.
1724         (vec_interleave_lowv4hi): Format change.
1725         (vec_interleave_highv4hi): Ditto.
1726         (mix2_even): Rename from mix2_r, add endian check.
1727         (mix2_odd): Rename from mux2_l, add endian check.
1728         (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
1729         (vec_extract_evenodd_helper): Format change.
1730         (vec_extract_evenv4hi): Remove endian check.
1731         (vec_extract_oddv4hi): Remove endian check.
1732         (vec_interleave_lowv2si): Format change.
1733         (vec_interleave_highv2si): Format change.
1734         (vec_initv2si): Remove endian check.
1735         (vecinit_v2si): Add endian check.
1736         (reduc_splus_v2sf): Add endian check.
1737         (reduc_smax_v2sf): Ditto.
1738         (reduc_smin_v2sf): Ditto.
1739         (vec_initv2sf): Remove endian check.
1740         (fpack): Add endian check.
1741         (fswap): Add endian check.
1742         (vec_interleave_highv2sf): Add endian check.
1743         (vec_interleave_lowv2sf): Add endian check.
1744         (fmix_lr): Add endian check.
1745         (vec_setv2sf): Format change.
1746         (*vec_extractv2sf_0_be): Use shift to extract operand.
1747         (*vec_extractv2sf_1_be): New.
1748         (vec_pack_trunc_v4hi): Add endian check.
1749         (vec_pack_trunc_v2si): Format change.
1750
1751 2011-02-04  Jakub Jelinek  <jakub@redhat.com>
1752
1753         PR inline-asm/23200
1754         * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
1755         do bb, locus and block comparison and disallow loads if it is not set.
1756         (stmt_is_replaceable_p): New function.
1757         (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
1758         callers.
1759         * expr.c (expand_expr_real_1) <case SSA_NAME>: If
1760         get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
1761         SSA_NAME_DEF_STMT.
1762         * tree-flow.h (stmt_is_replaceable_p): New prototype.
1763
1764 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1765
1766         * config/rs6000/xilinx.opt: New.
1767         * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.
1768
1769 2011-02-04  Joseph Myers  <joseph@codesourcery.com>
1770
1771         * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.
1772
1773 2011-02-03  Anatoly Sokolov  <aesok@post.ru>
1774
1775         * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
1776         PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
1777         * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
1778         secondary_reload_info, xtensa_secondary_reload): Remove.
1779         * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
1780         TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
1781         (xtensa_preferred_reload_class): Make static. Change return and
1782         'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
1783         Use CONST_DOUBLE_P predicate.
1784         (xtensa_preferred_output_reload_class): New function.
1785         (xtensa_secondary_reload): Make static.
1786
1787 2011-02-03  Joseph Myers  <joseph@codesourcery.com>
1788
1789         * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
1790         Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
1791         Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.
1792
1793 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1794
1795         PR middle-end/31490
1796         * output.h (SECTION_RELRO): Define.
1797         (SECTION_MACH_DEP): Adjust.
1798         (get_variable_section): New prototype.
1799         * varpool.c (varpool_finalize_named_section_flags): New function.
1800         (varpool_assemble_pending_decls): Call it.
1801         * cgraph.h (varpool_finalize_named_section_flags): New prototype.
1802         * cgraphunit.c (cgraph_output_in_order): Call
1803         varpool_finalize_named_section_flags.
1804         * varasm.c (get_section): Allow section flags conflicts between
1805         relro and read-only sections if the section hasn't been declared yet.
1806         Set SECTION_OVERRIDE after diagnosing section type conflict.
1807         (get_variable_section): No longer static.
1808         (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
1809         readonly sections that need relocations.
1810         (decl_readonly_section_1): New function.
1811         (decl_readonly_section): Use it.
1812
1813         Revert:
1814         2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
1815                     Steve Ellcey  <sje@cup.hp.com>
1816
1817         PR middle-end/31490
1818         * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
1819         if section attribute used.
1820
1821 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1822
1823         * config/darwin.h (SECTION_NO_ANCHOR): Remove.
1824         * config/darwin.c (SECTION_NO_ANCHOR): Define.
1825         (darwin_init_sections): Remove assertion.
1826
1827 2011-02-03  Nick Clifton  <nickc@redhat.com>
1828
1829         * config/rx/predicates.md (rx_zs_comparison_operator): Remove
1830         lt and ge.
1831         * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
1832         * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
1833         instead of "n" and "pz".
1834         (flags_from_code): LT and GE tests need CC_FLAG_O as well as
1835         CC_FLAG_S.
1836
1837 2011-02-03  Jakub Jelinek  <jakub@redhat.com>
1838
1839         PR target/47312
1840         * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
1841         fma, expand FMA_EXPR as fma{,f,l} call.
1842
1843         PR lto/47274
1844         * lto-streamer-out.c (write_symbol): When writing kind and visibility,
1845         copy them into a unsigned char variable and pass address of it to
1846         lto_output_data_stream.
1847
1848         PR target/47564
1849         * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
1850         around backend_init_target and lang_dependent_init_target calls.
1851         * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
1852         (verify_cgraph_node): Don't call set_cfun here.  Use
1853         cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
1854         Set error_found for incorrectly represented calls to thunks.
1855
1856 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1857
1858         PR debug/43092
1859         PR rtl-optimization/43494
1860         * rtl.h (for_each_inc_dec_fn): New type.
1861         (for_each_inc_dec): Declare.
1862         * rtlanal.c (struct for_each_inc_dec_ops): New type.
1863         (for_each_inc_dec_find_inc_dec): New fn.
1864         (for_each_inc_dec_find_mem): New fn.
1865         (for_each_inc_dec): New fn.
1866         * dse.c (struct insn_size): Remove.
1867         (replace_inc_dec, replace_inc_dec_mem): Remove.
1868         (emit_inc_dec_insn_before): New fn.
1869         (check_for_inc_dec): Use it, along with for_each_inc_dec.
1870         (canon_address): Pass mem modes to cselib_lookup.
1871         * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
1872         (cselib_lookup_from_insn): Likewise.
1873         (cselib_subst_to_values): Likewise.
1874         * cselib.c (find_slot_memmode): New var.
1875         (cselib_find_slot): New fn.  Use it instead of
1876         htab_find_slot_with_hash everywhere.
1877         (entry_and_rtx_equal_p): Use find_slot_memmode.
1878         (autoinc_split): New fn.
1879         (rtx_equal_for_cselib_p): Rename and implement in terms of...
1880         (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
1881         Deal with autoinc.  Special-case recursion into MEMs.
1882         (cselib_hash_rtx): Likewise.
1883         (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
1884         address and MEM modes.
1885         (cselib_subst_to_values): Add memmode, pass it on.
1886         Deal with autoinc.
1887         (cselib_lookup): Add memmode argument, pass it on.
1888         (cselib_lookup_from_insn): Add memmode.
1889         (cselib_invalidate_rtx): Discard obsolete push_operand handling.
1890         (struct cselib_record_autoinc_data): New.
1891         (cselib_record_autoinc_cb): New fn.
1892         (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
1893         mode to cselib_lookup.  Reset autoinced REGs here instead of...
1894         (cselib_process_insn): ... here.
1895         * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
1896         to cselib_lookup.
1897         (add_uses): Likewise, also to cselib_subst_to_values.
1898         (add_stores): Likewise.
1899         * sched-deps.c  (add_insn_mem_dependence): Pass mode to
1900         cselib_subst_to_values.
1901         (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
1902         * gcse.c (do_local_cprop): Adjusted.
1903         * postreload.c (reload_cse_simplify_set): Adjusted.
1904         (reload_cse_simplify_operands): Adjusted.
1905         * sel-sched-dump (debug_mem_addr_value): Pass mode.
1906
1907 2011-02-03  Alexandre Oliva  <aoliva@redhat.com>
1908
1909         PR tree-optimization/45122
1910         * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
1911         unsafe assumptions when there's more than one loop exit.
1912
1913 2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
1914
1915         PR target/47272
1916         * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
1917         Document using vector double with the load/store builtins, and
1918         that the load/store builtins always use Altivec instructions.
1919
1920         * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
1921         to use altivec memory instructions, even on VSX.
1922         (vector_altivec_store_<mode>): Ditto.
1923
1924         * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
1925         function.
1926
1927         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1928         V2DF, V2DI support to load/store overloaded builtins.
1929
1930         * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
1931         altivec load/store builtins for V2DF/V2DI types.
1932
1933         * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
1934         set avoid indexed addresses on power6 if -maltivec.
1935         (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
1936         vector_altivec_load/vector_altivec_store builtins.
1937         (altivec_expand_st_builtin): Ditto.
1938         (altivec_expand_builtin): Add VSX memory builtins.
1939         (rs6000_init_builtins): Add V2DI types to internal types.
1940         (altivec_init_builtins): Add support for V2DF/V2DI altivec
1941         load/store builtins.
1942         (rs6000_address_for_altivec): Insure memory address is appropriate
1943         for Altivec.
1944
1945         * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
1946         vec_vsx_ld and vec_vsx_st.
1947         (vsx_store_<mode>): Ditto.
1948
1949         * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
1950         variables to hold long long types for VSX vector memory builtins.
1951         (RS6000_BTI_unsigned_long_long): Ditto.
1952         (long_long_integer_type_internal_node): Ditti.
1953         (long_long_unsigned_type_internal_node): Ditti.
1954
1955         * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
1956         (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
1957         (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.
1958
1959         * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
1960         short cuts.
1961         (vec_vsx_st): Ditto.
1962
1963 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1964
1965         * config/pa/pa-hpux10.opt: New.
1966         * config/hpux11.opt (pthread): New Driver option.
1967         * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
1968         * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.
1969
1970 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1971
1972         * config/ia64/vms.opt: New.
1973         * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.
1974
1975 2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
1976
1977         PR target/47580
1978         * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
1979         gpc_reg_operand instead of vsx_register_operand to match rs6000.md
1980         generator functions.
1981         (vsx_floatuns<VSi><mode>2): Ditto.
1982         (vsx_fix_trunc<mode><VSi>2): Ditto.
1983         (vsx_fixuns_trunc<mode><VSi>2): Ditto.
1984
1985 2011-02-02  Joseph Myers  <joseph@codesourcery.com>
1986
1987         * config/i386/djgpp.opt (posix): New Driver option.
1988
1989 2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1990
1991         * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
1992         Move to the unsupported targets list.
1993
1994 2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>
1995
1996         PR rtl-optimization/47525
1997         * df-scan.c: Update copyright years.
1998         (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
1999         and non-clobber DF_REF_REG_DEF for calls to const and pure functions.
2000
2001 2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2002
2003         * config/i386/sysv4.h (TARGET_VERSION): Remove.
2004         (SUBTARGET_RETURN_IN_MEMORY): Remove.
2005         (ASM_OUTPUT_ASCII): Remove.
2006         * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.
2007
2008 2011-02-02  Jeff Law  <law@redhat.com>
2009
2010         PR middle-end/47543
2011         * reload.c (find_reloads_address): Handle reg+d address where both
2012         components are invalid by reloading the entire address.
2013
2014 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2015             Richard Guenther  <rguenther@suse.de>
2016
2017         PR tree-optimization/40979
2018         PR bootstrap/47044
2019         * passes.c (init_optimization_passes): After LIM call copy_prop
2020         and DCE to clean up.
2021         * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.
2022
2023 2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
2024
2025         PR tree-optimization/47576
2026         PR tree-optimization/47555
2027         * doc/invoke.texi (scev-max-expr-complexity): Documented.
2028         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2029         (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
2030         * tree-scalar-evolution.c (follow_ssa_edge): Use
2031         PARAM_SCEV_MAX_EXPR_COMPLEXITY.
2032
2033 2011-02-02  Richard Guenther  <rguenther@suse.de>
2034
2035         PR tree-optimization/47566
2036         * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.
2037
2038 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2039
2040         PR debug/47106
2041         PR debug/47402
2042         * tree-inline.c (declare_return_variable): Remove unused caller
2043         variable.
2044
2045         PR debug/47106
2046         PR debug/47402
2047         * tree-flow-inline.h (clear_is_used, is_used_p): New.
2048         * cfgexpand.c (account_used_vars_for_block): Use them.
2049         * tree-nrv.c (tree_nrv): Likewise.
2050         * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
2051         (dump_scope_block): Likewise.
2052         (remove_unused_locals): Likewise.
2053
2054         PR debug/47106
2055         PR debug/47402
2056         * tree-inline.c (declare_return_variable): Add result decl to
2057         local decls only once.
2058         * gimple-low.c (record_vars_into): Mark newly-created variables
2059         as referenced.
2060
2061 2011-02-02  Alexandre Oliva  <aoliva@redhat.com>
2062
2063         PR debug/47498
2064         PR debug/47501
2065         PR debug/45136
2066         PR debug/45130
2067         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2068         debug insns.
2069         (no_real_insns_p, schedule_block, set_priorities): Drop special
2070         treatment of boundary debug insns.
2071         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2072         * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
2073         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2074         (BOUNDARY_DEBUG_INSN_P): Likewise.
2075         (SCHEDULE_DEBUG_INSN_P): Likewise.
2076         * sched-rgn.c (init_ready_list): Drop special treatment of
2077         boundary debug insns.
2078         * final.c (rest_of_clean_state): Clear notes' BB.
2079
2080 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2081
2082         * config/openbsd.opt (assert=): New Driver option.
2083
2084 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2085
2086         * config/i386/nto.opt: New.
2087         * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.
2088
2089 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2090
2091         * config/i386/netware.opt: New.
2092         * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.
2093
2094 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2095
2096         * config/interix.opt (posix): New Driver option.
2097
2098 2011-02-01  DJ Delorie  <dj@redhat.com>
2099
2100         * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.
2101
2102         * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
2103         class for A0/A1.
2104
2105 2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>
2106
2107         PR tree-optimization/47561
2108         * toplev.c (process_options): Print the Graphite flags.  Add
2109         flag_loop_flatten to the list of options requiring Graphite.
2110
2111 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2112
2113         * config/i386/cygming.opt (posix): New Driver option.
2114
2115 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2116
2117         * config/arm/vxworks.opt: New.
2118         * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.
2119
2120 2011-02-01  Joseph Myers  <joseph@codesourcery.com>
2121
2122         * config/alpha/elf.opt: New.
2123         * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
2124         alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.
2125
2126 2011-02-01  Richard Guenther  <rguenther@suse.de>
2127
2128         PR tree-optimization/47559
2129         * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
2130         store-motion on references that can throw.
2131
2132 2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>
2133
2134         * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
2135         * tree-pass.h (TDF_CSELIB): New macro.
2136         * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
2137         cselib_lookup): Check for it rather than for TDF_DETAILS.
2138
2139 2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>
2140
2141         PR driver/47547
2142         * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
2143         is HOST_BIT_BUCKET.
2144
2145         * opts.c (finish_options): Don't add x_aux_base_name if it is
2146         HOST_BIT_BUCKET.
2147
2148 2011-02-01  Richard Guenther  <rguenther@suse.de>
2149
2150         PR tree-optimization/47555
2151         Revert
2152         2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>
2153
2154         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
2155
2156 2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>
2157
2158         PR gcc/46692
2159         * config/lm32/t-lm32: Add multilib for all CPU options.
2160
2161 2011-02-01  Richard Guenther  <rguenther@suse.de>
2162
2163         PR tree-optimization/47541
2164         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
2165         sure to have a field at offset zero.
2166
2167 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2168
2169         * config/arc/arc.opt (EB, EL): New Driver options.
2170
2171 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2172
2173         * config/alpha/osf5.opt: New.
2174         * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.
2175
2176 2011-01-31  Joseph Myers  <joseph@codesourcery.com>
2177
2178         * config/vms/vms.opt (map, mvms-return-codes): New Driver options.
2179
2180 2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>
2181
2182         * common.opt (ftree-loop-linear): Use Alias to make it an alias of
2183         -floop-interchange.
2184         * invoke.texi (-ftree-loop-linear): Make it clear that this flag
2185         is an alias of -floop-interchange and that it requires the
2186         Graphite infrastructure.
2187         * tree-ssa-loop.c (gate_graphite_transforms): Do not set
2188         flag_loop_interchange based on the value of flag_tree_loop_linear.
2189
2190 2011-01-31  Jakub Jelinek  <jakub@redhat.com>
2191             Richard Guenther  <rguenther@suse.de>
2192
2193         PR tree-optimization/47538
2194         * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
2195         type instead of r1type, except for comparisons.  For right
2196         shifts and comparisons punt if there are mismatches in
2197         sizetype vs. non-sizetype types.
2198
2199 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2200
2201         * doc/sourcebuild.texi (Effective-Target Keywords): Document
2202         avx_runtime.
2203
2204 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2205
2206         * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
2207         version number.
2208         * configure: Regenerate.
2209
2210 2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2211
2212         * configure.ac (gcc_cv_ld_static_option): Define.
2213         (gcc_cv_ld_dynamic_option): Define.
2214         (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
2215         instead.
2216         (HAVE_LD_STATIC_DYNAMIC): Update message.
2217         (LD_STATIC_OPTION): Define.
2218         (LD_DYNAMIC_OPTION): Define.
2219         * configure: Regenerate.
2220         * config.in: Regenerate.
2221         * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
2222         HAVE_LD_STATIC_DYNAMIC]: Use them.
2223
2224 2011-01-31  Nick Clifton  <nickc@redhat.com>
2225
2226         * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
2227         registers inside interrupt handlers if the handler is not a leaf
2228         function.
2229
2230 2011-01-31  Nick Clifton  <nickc@redhat.com>
2231
2232         * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
2233         reg_renumber returning an INVALID_REGNUM.
2234
2235 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2236
2237         PR libgcj/44341
2238         * doc/install.texi: Document host options discarded when cross
2239         configuring target libraries.
2240
2241 2011-01-31  Alexandre Oliva  <aoliva@redhat.com>
2242
2243         Reverted:
2244         2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2245         PR debug/45136
2246         PR debug/45130
2247         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2248         debug insns.
2249         (no_real_insns_p, schedule_block, set_priorities): Drop special
2250         treatment of boundary debug insns.
2251         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2252         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2253         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2254         (BOUNDARY_DEBUG_INSN_P): Likewise.
2255         (SCHEDULE_DEBUG_INSN_P): Likewise.
2256         * sched-rgn.c (init_ready_list): Drop special treatment of
2257         boundary debug insns.
2258         * final.c (rest_of_clean-state): Clear notes' BB.
2259
2260 2011-01-31  Alan Modra  <amodra@gmail.com>
2261
2262         * config/rs6000/rs6000.c (print_operand): Rearrange addends in
2263         toc relative expressions as we do in print_operand_address.
2264
2265 2011-01-30  Kazu Hirata  <kazu@codesourcery.com>
2266
2267         * doc/extend.texi: Follow spelling conventions.
2268         * doc/invoke.texi: Fix a typo.
2269
2270 2011-01-30  Joseph Myers  <joseph@codesourcery.com>
2271
2272         * config/hpux11.opt: New.
2273         * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
2274         ia64*-*-hpux*): Use hpux11.opt.
2275
2276 2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>
2277
2278         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
2279         to tmake_file.
2280
2281 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2282
2283         * doc/install.texi (hppa-hp-hpux10): Remove references to HP
2284         support sites.
2285
2286 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2287
2288         * doc/install.texi (Binaries): Remove outdated reference for
2289         Motorola 68HC11/68HC12 downloads.
2290
2291 2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>
2292
2293         * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
2294         Drepper's paper.
2295
2296 2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
2297
2298         PR bootstrap/47147
2299         * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
2300         used by NetBSD.
2301
2302 2011-01-28  Ahmad Sharif  <asharif@google.com>
2303
2304         * value-prof.c (check_counter): Corrected error message.
2305
2306 2011-01-29  Jie Zhang  <jie@codesourcery.com>
2307
2308         * config/arm/arm.c (arm_legitimize_reload_address): New.
2309         * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
2310         arm_legitimize_reload_address.
2311         * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.
2312
2313 2011-01-28  Ian Lance Taylor  <iant@google.com>
2314
2315         * godump.c (go_define): Ignore macros whose definitions include
2316         two adjacent operands.
2317
2318 2011-01-28  Jakub Jelinek  <jakub@redhat.com>
2319
2320         PR target/42894
2321         * varasm.c (force_const_mem): Store copy of x in desc->constant
2322         instead of x itself.
2323         * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
2324         itself into REG_EQUAL note.
2325
2326 2011-01-28  Joseph Myers  <joseph@codesourcery.com>
2327
2328         * config/freebsd.opt (posix, rdynamic): New Driver options.
2329
2330 2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2331
2332         * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
2333         -Bstatic/-Bdynamic.
2334         * configure: Regenerate.
2335
2336 2011-01-27  Joseph Myers  <joseph@codesourcery.com>
2337
2338         * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
2339         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.
2340
2341 2011-01-27  Anatoly Sokolov  <aesok@post.ru>
2342
2343         * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
2344         * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
2345         * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
2346         (s390_preferred_reload_class): Make static. Change return and
2347         'rclass' argument type to reg_class_t.
2348
2349 2011-01-27  Jan Hubicka  <jh@suse.cz>
2350
2351         PR middle-end/46949
2352         * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
2353         (process_function_and_variable_attributes): Check defined weakrefs.
2354
2355 2011-01-27  Martin Jambor  <mjambor@suse.cz>
2356
2357         PR tree-optimization/47228
2358         * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
2359         build_ref_for_offset.
2360
2361 2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2362
2363         * config/spu/spu-elf.h (ASM_SPEC): Remove.
2364
2365 2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>
2366
2367         PR rtl-optimization/46856
2368         * postreload.c (reload_combine_recognize_const_pattern): Do not
2369         separate cc0 setter and user on cc0 targets.
2370
2371 2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>
2372
2373         PR c/43082
2374         * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
2375         passed a VOID_TYPE expression, immediately emit an error and
2376         return error_mark_node.
2377
2378 2011-01-26  Jeff Law  <law@redhat.com>
2379
2380         PR rtl-optimization/47464
2381         * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
2382         rather than may_trap_p as needed.
2383
2384 2011-01-26  DJ Delorie  <dj@redhat.com>
2385
2386         PR rtl-optimization/46878
2387         * combine.c (insn_a_feeds_b): Check for the implicit cc0
2388         setter/user dependency as well.
2389
2390 2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>
2391
2392         PR rtl-optimization/44469
2393         * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
2394         after removing trivially dead basic blocks.
2395
2396 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2397
2398         * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
2399         * config/frv/frv.h (LINK_SPEC): Likewise.
2400         * config/i386/netware.h (LINK_SPEC): Likewise.
2401         * config/m68k/linux.h (ASM_SPEC): Likewise.
2402         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2403         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2404         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2405         * config/sparc/linux.h (ASM_SPEC): Likewise.
2406         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2407         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2408
2409 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2410
2411         * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
2412         * config/frv/frv.h (ASM_SPEC): Likewise.
2413         * config/m68k/linux.h (ASM_SPEC): Likewise.
2414         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2415         * config/rs6000/linux64.h (ASM_SPEC): Likewise.
2416         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2417         * config/sparc/linux.h (ASM_SPEC): Likewise.
2418         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2419         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2420
2421 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2422
2423         * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
2424         * config/frv/frv.h (LINK_SPEC): Likewise.
2425         * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
2426
2427 2011-01-26  Joseph Myers  <joseph@codesourcery.com>
2428
2429         * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
2430         * config/frv/frv.h (ASM_SPEC): Likewise.
2431         * config/i386/sol2-10.h (ASM_SPEC): Likewise.
2432         * config/m68k/linux.h (ASM_SPEC): Likewise.
2433         * config/pa/pa-linux.h (ASM_SPEC): Likewise.
2434         * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
2435         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2436         * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
2437         * config/sparc/linux.h (ASM_SPEC): Likewise.
2438         * config/sparc/linux64.h (ASM_SPEC): Likewise.
2439         * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
2440         * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.
2441
2442 2011-01-26  Steve Ellcey  <sje@cup.hp.com>
2443
2444         PR target/46997
2445         * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
2446         (*mux2): Ditto.
2447         (vec_extract_evenodd_help): Ditto.
2448         (vec_extract_evenv4hi): Ditto.
2449         (vec_extract_oddv4hi): Ditto.
2450         (vec_interleave_lowv2si): Ditto.
2451         (vec_interleave_highv2si): Ditto.
2452         (vec_extract_evenv2si): Ditto.
2453         (vec_extract_oddv2si: Ditto.
2454         (vec_pack_trunc_v2si): Ditto.
2455
2456 2011-01-22  Jan Hubicka  <jh@suse.cz>
2457
2458         PR target/47237
2459         * cgraph.h (cgraph_local_info): New field can_change_signature.
2460         * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
2461         signature can change.
2462         (ipcp_estimate_growth): Call sequence simplify only if calle signature
2463         can change.
2464         (ipcp_insert_stage): Only compute args_to_skip if signature can change.
2465         (cgraph_function_versioning): We can not change signature of functions
2466         that don't allow that.
2467         * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
2468         (lto_input_node): Likewise.
2469         * ipa-inline.c (compute_inline_parameters): Compute
2470         local.can_change_signature.
2471         * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
2472         * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
2473         functions that can not change signature.
2474         * i386.c (ix86_function_regparm, ix86_function_sseregparm,
2475         init_cumulative_args): Do not use local calling conventions
2476         for functions that can not change signature.
2477
2478 2011-01-22  Jan Hubicka  <jh@suse.cz>
2479
2480         * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.
2481
2482 2011-01-26  Richard Guenther  <rguenther@suse.de>
2483
2484         PR tree-optimization/47190
2485         * cgraphunit.c (process_common_attributes): New function.
2486         (process_function_and_variable_attributes): Use it.
2487
2488 2011-01-26  Richard Guenther  <rguenther@suse.de>
2489
2490         PR lto/47423
2491         * cgraphbuild.c (record_eh_tables): Record reference to personality
2492         function.
2493
2494 2011-01-26  Alexandre Oliva  <aoliva@redhat.com>
2495
2496         PR debug/45454
2497         * sel-sched.c (moveup_expr): Don't let debug insns prevent
2498         non-debug insns from moving up.
2499
2500 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2501
2502         PR target/40125
2503         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
2504         t-dlldir{,-x} fragment for build and add it to tmake_file.
2505         (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2506         * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
2507         * config/i386/t-dlldir: New file.
2508         (SHLIB_DLLDIR): Define.
2509         * config/i386/t-dlldir-x: New file.
2510         (SHLIB_DLLDIR): Define.
2511         * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
2512         (SHLIB_INSTALL): Use it.
2513
2514 2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>
2515
2516         PR target/47246
2517         * config/arm/arm.c (thumb2_legitimate_index_p): Change the
2518         lower bound of the allowed Thumb-2 coprocessor load/store
2519         index range to -256. Add explaining comment.
2520
2521 2011-01-25  Ian Lance Taylor  <iant@google.com>
2522
2523         * godump.c (go_define): Improve lexing of macro expansion to only
2524         accept expressions which match Go spec.
2525
2526 2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>
2527
2528         PR c++/43601
2529         * tree.c (handle_dll_attribute): Handle it.
2530         * doc/extend.texi (@item dllexport): Mention it.
2531         * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.
2532
2533 2011-01-25  Ian Lance Taylor  <iant@google.com>
2534
2535         PR tree-optimization/26854
2536         * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
2537         (decl_jump_unsafe): Move higher in file, with no other change.
2538         (bind): Set has_jump_unsafe_decl if appropriate.
2539         (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
2540         (check_earlier_gotos): Likewise.
2541         (c_check_switch_jump_warnings): Likewise.
2542
2543 2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>
2544
2545         * doc/invoke.texi (Warning Options): Add missing hyphen.
2546         (-fprofile-dir): Minor grammatical fixes.
2547         (-fbranch-probabilities): Likewise.
2548
2549 2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
2550
2551         PR debug/45136
2552         PR debug/45130
2553         * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
2554         debug insns.
2555         (no_real_insns_p, schedule_block, set_priorities): Drop special
2556         treatment of boundary debug insns.
2557         * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
2558         * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
2559         * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
2560         (BOUNDARY_DEBUG_INSN_P): Likewise.
2561         (SCHEDULE_DEBUG_INSN_P): Likewise.
2562         * sched-rgn.c (init_ready_list): Drop special treatment of
2563         boundary debug insns.
2564         * final.c (rest_of_clean-state): Clear notes' BB.
2565
2566 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2567
2568         * Makefile.in (LAMBDA_H): Removed.
2569         (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
2570         (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
2571         lambda-trans.o, and tree-loop-linear.o.
2572         (lto-symtab.o): Remove dependence on LAMBDA_H.
2573         (tree-loop-linear.o): Remove rule.
2574         (lambda-mat.o): Same.
2575         (lambda-trans.o): Same.
2576         (lambda-code.o): Same.
2577         (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
2578         (tree-vect-slp.o): Same.
2579         * hwint.h (gcd): Moved here.
2580         (least_common_multiple): Same.
2581         * lambda-code.c: Removed.
2582         * lambda-mat.c: Removed.
2583         * lambda-trans.c: Removed.
2584         * lambda.h: Removed.
2585         * tree-loop-linear.c: Removed.
2586         * lto-symtab.c: Do not include lambda.h.
2587         * omega.c (gcd): Removed.
2588         * passes.c (init_optimization_passes): Remove pass_linear_transform.
2589         * tree-data-ref.c (print_lambda_vector): Moved here.
2590         (lambda_vector_copy): Same.
2591         (lambda_matrix_copy): Same.
2592         (lambda_matrix_id): Same.
2593         (lambda_vector_first_nz): Same.
2594         (lambda_matrix_row_add): Same.
2595         (lambda_matrix_row_exchange): Same.
2596         (lambda_vector_mult_const): Same.
2597         (lambda_vector_negate): Same.
2598         (lambda_matrix_row_negate): Same.
2599         (lambda_vector_equal): Same.
2600         (lambda_matrix_right_hermite): Same.
2601         * tree-data-ref.h: Do not include lambda.h.
2602         (lambda_vector): Moved here.
2603         (lambda_matrix): Same.
2604         (dependence_level): Same.
2605         (lambda_transform_legal_p): Removed declaration.
2606         (lambda_collect_parameters): Same.
2607         (lambda_compute_access_matrices): Same.
2608         (lambda_vector_gcd): Same.
2609         (lambda_vector_new): Same.
2610         (lambda_vector_clear): Same.
2611         (lambda_vector_lexico_pos): Same.
2612         (lambda_vector_zerop): Same.
2613         (lambda_matrix_new): Same.
2614         * tree-flow.h (least_common_multiple): Removed declaration.
2615         * tree-parloops.c (lambda_trans_matrix): Moved here.
2616         (LTM_MATRIX): Same.
2617         (LTM_ROWSIZE): Same.
2618         (LTM_COLSIZE): Same.
2619         (LTM_DENOMINATOR): Same.
2620         (lambda_trans_matrix_new): Same.
2621         (lambda_matrix_vector_mult): Same.
2622         (lambda_transform_legal_p): Same.
2623         * tree-pass.h (pass_linear_transform): Removed declaration.
2624         * tree-ssa-loop.c (tree_linear_transform): Removed.
2625         (gate_tree_linear_transform): Removed.
2626         (pass_linear_transform): Removed.
2627         (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
2628         flag_loop_interchange.
2629
2630 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR tree-optimization/47265
2633         PR tree-optimization/47443
2634         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
2635         if name still has some uses.
2636
2637 2011-01-25  Martin Jambor  <mjambor@suse.cz>
2638
2639         PR tree-optimization/47382
2640         * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
2641         (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.
2642
2643 2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>
2644
2645         * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
2646         sjlj_except_unwind_info.
2647
2648 2011-01-25  Richard Guenther  <rguenther@suse.de>
2649
2650         PR tree-optimization/47426
2651         * tree-ssa-structalias.c (ipa_pta_execute): Make externally
2652         visible functions results escape.
2653
2654 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2655
2656         PR target/45701
2657         * config/arm/arm.c (any_sibcall_uses_r3): New function.
2658         (arm_get_frame_offsets): Use it.
2659
2660 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2661             Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR tree-optimization/47271
2664         * tree-if-conv.c (bb_postdominates_preds): New.
2665         (if_convertible_bb_p): Call bb_postdominates_preds.
2666         (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
2667         (predicate_scalar_phi): Call bb_postdominates_preds.
2668
2669 2011-01-25  Nick Clifton  <nickc@redhat.com>
2670
2671         * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
2672         * config/rx/rx.c (rx_function_value): Likewise.
2673         (rx_promote_function_mode): Likewise.
2674         (gen_safe_add): Place an outsized immediate value inside an UNSPEC
2675         in order to make it legitimate.
2676         * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
2677         make sure that the first operand is the same as the result register.
2678         (addsi3_unspec): Delete.
2679         (subdi3): Do not accept immediate operands.
2680         (subdi3_internal): Likewise.
2681
2682 2011-01-25  Jeff Law  <law@redhat.com>
2683
2684         PR rtl-optimization/37273
2685         * ira-costs.c (scan_one_insn): Detect constants living in memory and
2686         handle them like argument loads from stack slots.  Do not double
2687         count memory for memory constants and argument loads from stack slots.
2688
2689 2011-01-25  Jakub Jelinek  <jakub@redhat.com>
2690
2691         PR tree-optimization/47427
2692         PR tree-optimization/47428
2693         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2694         coalesce if the new root var would be TREE_READONLY.
2695
2696 2011-01-25  Richard Guenther  <rguenther@suse.de>
2697
2698         PR middle-end/47414
2699         * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
2700         correct type for TBAA.
2701
2702 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2703
2704         * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
2705         (close_phi_written_to_memory): Call for_each_index with
2706         dr_indices_valid_in_loop.
2707
2708 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2709
2710         * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
2711         when it is initialized.
2712
2713 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2714
2715         * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
2716         call to graphite_find_data_references_in_stmt.
2717         * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
2718         (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
2719         call to graphite_find_data_references_in_stmt.
2720         (analyze_drs_in_stmts): Same.
2721         * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
2722         in which the scalar analysis of indices is performed.
2723         (create_data_ref): Same.  Update call to dr_analyze_indices.
2724         (find_data_references_in_stmt): Update call to create_data_ref.
2725         (graphite_find_data_references_in_stmt): Same.
2726         * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
2727         declaration.
2728         (create_data_ref): Same.
2729         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
2730         call to create_data_ref.
2731
2732 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * graphite-sese-to-poly.c (build_poly_scop): Move
2735         rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.
2736
2737 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2738
2739         * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
2740         VAR_DECL, PARM_DECL, and RESULT_DECL.
2741
2742 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2743
2744         * graphite-dependences.c (reduction_dr_1): Allow several reductions
2745         in a reduction PBB.
2746         * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
2747         that have already been marked as PBB_IS_REDUCTION.
2748
2749 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2750
2751         * graphite-scop-detection.c (same_close_phi_node): New.
2752         (remove_duplicate_close_phi): New.
2753         (make_close_phi_nodes_unique): New.
2754         (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
2755
2756 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2757
2758         * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
2759         * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
2760         of both data references to be the same.
2761
2762 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2763
2764         * graphite-dependences.c (build_lexicographical_constraint): Remove
2765         the gdim parameter.
2766         (build_lexicographical_constraint): Adjust call to
2767         ppl_powerset_is_empty.
2768         (dependence_polyhedron): Same.
2769         (graphite_legal_transform_dr): Same.
2770         (graphite_carried_dependence_level_k): Same.
2771         * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
2772         parameter.
2773         * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
2774
2775 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * graphite-sese-to-poly.c
2778         (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
2779         (close_phi_written_to_memory): New.
2780         (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
2781         and unshare_expr.
2782
2783 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2784
2785         * doc/install.texi: Update the expected version number of PPL to 0.11.
2786         * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
2787         #if PPL_VERSION_MINOR < 11.
2788
2789 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2790
2791         * graphite-dependences.c: Include graphite-cloog-util.h.
2792         (new_poly_ddr): Inlined into dependence_polyhedron.
2793         (free_poly_ddr): Moved close by new_poly_ddr.
2794         (dependence_polyhedron_1): Renamed dependence_polyhedron.
2795         Early return NULL when ppl_powerset_is_empty returns true.
2796         (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
2797         poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
2798         (graphite_legal_transform_dr): Call new_poly_ddr.
2799         (graphite_carried_dependence_level_k): Same.
2800         (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
2801         (dot_transformed_deps_stmt_1): Removed.
2802         (dot_deps_stmt_1): Call dot_deps_stmt_2.
2803         (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
2804         (dot_deps_1): Call dot_deps_2.
2805         * Makefile.in (graphite-dependences.o): Add missing dependence on
2806         graphite-cloog-util.h.
2807
2808 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2809
2810         * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
2811         (build_lexicographical_constraint): Same.
2812         (dependence_polyhedron_1): Same.
2813         (graphite_legal_transform_dr): Same.
2814         (graphite_carried_dependence_level_k): Same.
2815         * graphite-ppl.c (ppl_powerset_is_empty): New.
2816         * graphite-ppl.h (ppl_powerset_is_empty): Declared.
2817         * tree-data-ref.c (dump_data_reference): Print the basic block index.
2818
2819 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
2822         the "a followed by b" relation and document it.
2823
2824 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2825
2826         * graphite-dependences.c (build_lexicographical_constraint): Stop the
2827         iteration when the bag of constraints is empty.
2828
2829 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2830
2831         * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
2832
2833 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2834
2835         * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
2836         nest and two loop depths as parameters.
2837         (lst_try_interchange_loops): Call lst_interchange_profitable_p after
2838         lst_perfect_nestify.
2839
2840 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2841
2842         * graphite-dependences.c (print_pddr): Call
2843         ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
2844
2845 2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
2846
2847         * graphite-ppl.c (debug_gmp_value): New.
2848         * graphite-ppl.h (debug_gmp_value): Declared.
2849
2850 2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>
2851
2852         * doc/install.texi: Document availability of cloog-0.16.
2853
2854 2011-01-25  Vladimir Kargov  <kargov@gmail.com>
2855
2856         * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
2857         invalid postdominance info.
2858
2859 2011-01-24  Jan Hubicka  <jh@suse.cz>
2860
2861         PR c/21659
2862         * doc/extend.texi (weak pragma): Drop claim that it must
2863         appear before definition.
2864         * varasm.c (merge_weak, declare_weak): Only sanity check
2865         that DECL is not output at a time it is declared weak.
2866
2867 2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>
2868
2869         * machmode.def: Fixed comments.
2870
2871 2011-01-24  Kai Tietz  <kai.tietz@onevision.com>
2872
2873         * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
2874
2875 2011-01-24  Paul Koning  <ni1d@arrl.net>
2876
2877         * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
2878         WORDS_BIG_ENDIAN.
2879
2880 2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2881
2882         PR target/46519
2883         * config/i386/i386.c: Include sbitmap.h and fibheap.h.
2884         (block_info): Add scanned and prev.
2885         (move_or_delete_vzeroupper_2): Return if the basic block
2886         has been scanned and the upper 128bit state is unchanged
2887         from the last scan.
2888         (move_or_delete_vzeroupper_1): Return true if the exit
2889         state is changed.
2890         (move_or_delete_vzeroupper): Visit basic blocks using the
2891         work-list based algorithm based on vt_find_locations in
2892         var-tracking.c.
2893
2894         * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
2895
2896 2011-01-24  Nick Clifton  <nickc@redhat.com>
2897
2898         * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
2899         * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
2900         -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
2901         then define __v850e1__.
2902         * doc/invoke.texi: Document -mv850es.
2903
2904 2011-01-24  Richard Henderson  <rth@redhat.com>
2905
2906         * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
2907         compound unordered comparisons.
2908         * config/rx/rx.c (rx_split_fp_compare): Remove.
2909         * config/rx/rx-protos.h: Update.
2910         * config/rx/rx.md (gcc_conds, rx_conds): Remove.
2911         (cbranchsf4): Don't call rx_split_fp_compare.
2912         (*cbranchsf4): Use rx_split_cbranch.
2913         (*cmpsf): Don't accept "i" constraint.
2914         (*conditional_branch): Only valid after reload.
2915         (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.
2916
2917 2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2918
2919         PR target/47385
2920         * config/rs6000/altivec.md (vector constant splitters): Add
2921         support for creating vector single precision constants if -mvsx is
2922         used and we would create the constant using Altivec primitives.
2923
2924 2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
2925             Richard Sandiford  <rdsandiford@googlemail.com>
2926
2927         PR rtl-optimization/47166
2928         * reload1.c (emit_reload_insns): Disable the spill_reg_store
2929         mechanism for PRE_MODIFY and POST_MODIFY.
2930         (inc_for_reload): For PRE_MODIFY, return the insn that sets the
2931         reloadreg.
2932
2933 2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>
2934
2935         * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
2936
2937 2011-01-22  Jan Hubicka  <jh@suse.cz>
2938
2939         PR lto/47333
2940         * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
2941
2942 2011-01-22  Jan Hubicka  <jh@suse.cz>
2943
2944         PR tree-optimization/43884
2945         PR lto/44334
2946         * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
2947         * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
2948
2949 2011-01-22  Anatoly Sokolov  <aesok@post.ru>
2950
2951         * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
2952         * config/s390/s390.c (s390_register_move_cost,
2953         s390_memory_move_cost): New.
2954         (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
2955
2956 2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2957
2958         PR middle-end/47401
2959         * except.c (sjlj_assign_call_site_values): Move setting the
2960         crtl->uses_eh_lsda flag to ...
2961         (sjlj_mark_call_sites): ... here.
2962         (sjlj_emit_function_enter): Support NULL dispatch label.
2963         (sjlj_build_landing_pads): In a function with no landing pads
2964         that still has must-not-throw regions, generate code to register
2965         a personality function with empty LSDA.
2966
2967 2011-01-21  Richard Henderson  <rth@redhat.com>
2968
2969         * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
2970
2971         * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
2972
2973         * compare-elim.c: New file.
2974         * Makefile.in (OBJS-common): Add it.
2975         (compare-elim.o): New.
2976         * common.opt (fcompare-elim): New.
2977         * opts.c (default_options_table): Add OPT_fcompare_elim.
2978         * tree-pass.h (pass_compare_elim_after_reload): New.
2979         * passes.c (init_optimization_passes): Add it.
2980         * recog.h: Protect against re-inclusion.
2981         * target.def (TARGET_FLAGS_REGNUM): New POD hook.
2982         * doc/invoke.texi (-fcompare-elim): Document it.
2983         * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
2984         * doc/tm.texi: Rebuild.
2985
2986 2011-01-22  Nick Clifton  <nickc@redhat.com>
2987
2988         * config/rx/rx.md (cstoresf4): Pass comparison operator to
2989         rx_split_fp_compare.
2990
2991 2011-01-22  Nick Clifton  <nickc@redhat.com>
2992
2993         * config/rx/rx.md (UNSPEC_CONST): New.
2994         (deallocate_and_return): Wrap the amount popped off the stack in
2995         an UNSPEC_CONST in order to stop it being rejected by
2996         -mmax-constant-size.
2997         (pop_and_return): Add a "(return)" rtx.
2998         (call): Drop the immediate operand.
2999         (call_internal): Likewise.
3000         (call_value): Likewise.
3001         (call_value_internal): Likewise.
3002         (sibcall_internal): Likewise.
3003         (sibcall_value_internal): Likewise.
3004         (sibcall): Likewise.  Generate an explicit call using
3005         sibcall_internal.
3006         (sibcall_value): Likewise.
3007         (mov<>): FAIL if a constant operand is not legitimate.
3008         (addsi3_unpsec): New pattern.
3009
3010         * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
3011         (ok_for_max_constant): New function.
3012         (gen_safe_add): New function.
3013         (rx_expand_prologue): Use gen_safe_add.
3014         (rx_expand_epilogue): Likewise.
3015         (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
3016         UNSPEC CONSTs.
3017
3018 2011-01-21  Jeff Law  <law@redhat.com>
3019
3020         PR tree-optimization/47053
3021         * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
3022         (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
3023         statements are deleted.
3024         (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
3025         is nonempty, then purge dead edges and cleanup the CFG.
3026
3027 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3028
3029         PR debug/47402
3030         Temporarily revert:
3031         2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3032         PR debug/47106
3033         * tree-dfa.c (create_var_ann): Mark variable as used.
3034
3035 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3036
3037         PR middle-end/45566
3038         * except.c (convert_to_eh_region_ranges): Emit queued no-region
3039         notes from other section in hot/cold partitioning even if
3040         last_action is -3.  Increment call_site_base.
3041
3042         PR rtl-optimization/47366
3043         * fwprop.c (forward_propagate_into): Return bool.  If
3044         any changes are made, -fnon-call-exceptions is used and
3045         REG_EH_REGION note is present, call purge_dead_edges
3046         and return true if it purged anything.
3047         (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
3048         any EH edges were purged.
3049
3050 2011-01-21  Jeff Law  <law@redhat.com>
3051
3052         PR rtl-optimization/41619
3053         * caller-save.c (setup_save_areas): Break out code to determine
3054         which hard regs are live across calls by examining the reload chains
3055         so that it is always used.
3056         Eliminate code which checked REG_N_CALLS_CROSSED.
3057
3058 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR tree-optimization/47355
3061         * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
3062         NOP has non-debug uses beyond PHIs in new_bb.
3063
3064 2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
3065
3066         PR debug/47106
3067         * cfgexpand.c (account_used_vars_for_block): Only account vars
3068         that are annotated as used.
3069         (estimated_stack_frame_size): Don't set TREE_USED.
3070         * tree-dfa.c (create_var_ann): Mark variable as used.
3071
3072 2011-01-21  Richard Guenther  <rguenther@suse.de>
3073
3074         PR middle-end/47395
3075         * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
3076
3077 2011-01-21  Richard Guenther  <rguenther@suse.de>
3078
3079         PR tree-optimization/47365
3080         * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
3081         (vn_reference_lookup_pieces): Adjust.
3082         (vn_reference_lookup): Likewise.
3083         * tree-ssa-sccvn.c (vn_walk_kind): New static global.
3084         (vn_reference_lookup_3): Only look through kills if in
3085         VN_WALKREWRITE mode.
3086         (vn_reference_lookup_pieces): Adjust.
3087         (vn_reference_lookup): Likewise.
3088         (visit_reference_op_load): Likewise.
3089         (visit_reference_op_store): Likewise.
3090         * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
3091         (compute_avail): Likewise.
3092         (eliminate): Likewise.
3093
3094 2011-01-21  Jakub Jelinek  <jakub@redhat.com>
3095
3096         * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
3097         DECL_IGNORED_P non-reg vars if they are used.
3098
3099         PR tree-optimization/47391
3100         * varpool.c (const_value_known_p): Return false if
3101         decl is volatile.
3102
3103 2011-01-21  Kai Tietz  <kai.tietz@onevision.com>
3104
3105         PR bootstrap/47215
3106         * config/i386/i386.c (ix86_local_alignment): Handle
3107         case for va_list_type_node is nil.
3108         (ix86_canonical_va_list_type): Likewise.
3109
3110 2011-01-21  Alan Modra  <amodra@gmail.com>
3111
3112         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
3113         builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.
3114
3115 2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3116
3117         * config/arm/arm.md (define_attr type): Rename f_load
3118         and f_store to f_fpa_load and f_fpa_store. Update.
3119         (write_conflict): Deal with rename fallout.
3120         (*push_fp_multi): Likewise.
3121         * config/arm/fpa.md (f_load): Use f_fpa_load.
3122         (f_store): Use f_fpa_store.
3123         (*movsf_fpa): Likewise.
3124         (*movdf_fpa): Likewise.
3125         (*movxf_fpa): Likewise.
3126         (*thumb2_movsf_fpa): Likewise.
3127         (*thumb2_movdf_fpa): Likewise.
3128         (*thumb2_movxf_fpa): Likewise.
3129         * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
3130         f_loadd and f_stored.
3131         (*thumb2_movdi_vfp): Likewise.
3132         (*thumb2_movsf_vfp): Fix attribute to f_loads.
3133         (*thumb2_movsi_vfp): Likewise.
3134         * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
3135         Use f_loads instead of f_load.
3136         * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.
3137
3138 2011-01-20  Anatoly Sokolov  <aesok@post.ru>
3139
3140         * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
3141         * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
3142         * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
3143         (xtensa_mode_dependent_address_p): New function.
3144         (constantpool_address_p): Make static. Change return type to bool.
3145         Change argument type to const_rtx. Use CONST_INT_P predicate.
3146
3147 2011-01-20  Alexandre Oliva  <aoliva@redhat.com>
3148
3149         PR debug/46583
3150         * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.
3151
3152 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3153
3154         PR debug/47283
3155         * cfgexpand.c (expand_debug_expr): Instead of generating
3156         (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
3157         etc. handling.
3158
3159 2011-01-20  Richard Guenther  <rguenther@suse.de>
3160
3161         PR middle-end/47370
3162         * tree-inline.c (remap_gimple_op_r): Recurse manually for
3163         the pointer operand of MEM_REFs.
3164
3165 2011-01-20  Jakub Jelinek  <jakub@redhat.com>
3166
3167         PR tree-optimization/46130
3168         * ipa-split.c (consider_split): If return_bb contains non-virtual
3169         PHIs other than for retval or if split_function would not adjust it,
3170         refuse to split.
3171
3172 2011-01-20  Richard Guenther  <rguenther@suse.de>
3173
3174         PR tree-optimization/47167
3175         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3176         Revert previous change, only avoid enumeral type changes.
3177
3178 2011-01-19  Mike Stump  <mikestump@comcast.net>
3179
3180         * doc/tm.texi.in (BRANCH_COST): Englishify.
3181         * doc/tm.texi (BRANCH_COST): Likewise.
3182
3183 2011-01-19  Dodji Seketeli  <dodji@redhat.com>
3184
3185         PR c++/47291
3186         * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
3187         (gen_scheduled_generic_parms_dies): New functions.
3188         (gen_struct_or_union_type_die): Schedule template parameters DIEs
3189         generation for the end of CU compilation.
3190         (dwarf2out_finish): Generate template parameters DIEs here.
3191
3192 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3193
3194         PR debug/46240
3195         * tree-into-ssa.c (maybe_register_def): Do not attempt to add
3196         debug bind stmt on merge edges.
3197
3198 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3199
3200         PR debug/47079
3201         PR debug/46724
3202         * function.c (instantiate_expr): Instantiate incoming rtl of
3203         implicit arguments, and recurse on VALUE_EXPRs.
3204         (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
3205         * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.
3206
3207 2011-01-19  Alexandre Oliva  <aoliva@redhat.com>
3208
3209         * c-parser.c (c_parser_for_statement): Initialize
3210         collection_expression.
3211
3212 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3213
3214         * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.
3215
3216 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3217
3218         * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
3219         (LINK_SHLIB_SPEC): Don't use %(link_path).
3220         (SUBTARGET_EXTRA_SPECS): Remove link_path.
3221
3222 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3223
3224         * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
3225         (NO_SHARED_LIB_SUPPORT): Remove.
3226         (LINK_SHLIB_SPEC): Remove one conditional definition.
3227
3228 2011-01-19  Joseph Myers  <joseph@codesourcery.com>
3229
3230         * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
3231         %{call_shared}.
3232         * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
3233         * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
3234         * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
3235         %{call_shared} and conditionals on these options not being passed.
3236         * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
3237         %{call_shared}.
3238
3239 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3240
3241         * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
3242         simplify.
3243
3244         * ipa-split.c: Spelling fixes.
3245
3246 2011-01-19  Richard Henderson  <rth@redhat.com>
3247
3248         * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
3249         (*mulsi3): Likewise.
3250
3251         * longlong.h [__mn10300__] (count_leading_zeros): New.
3252         [__mn10300__] (umul_ppmm, smul_ppmm): New.
3253         [__mn10300__] (add_ssaaaa, subddmmss): New.
3254         [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
3255         [__mn10300__] (UMUL_TIME, UDIV_TIME): New.
3256
3257 2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3258
3259         * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.
3260
3261 2011-01-19  Richard Henderson  <rth@redhat.com>
3262
3263         * config/mn10300/mn10300.md (addsi3_flags): New.
3264         (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
3265         (subsi3_flags, subc_internal, subdi3): New.
3266         (subdi3_internal, *subdi3_degenerate): New.
3267         * config/mn10300/predicates.md (reg_or_am33_const_operand): New.
3268
3269         * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
3270         (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
3271         (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
3272         * config/mn10300/mn10300-protos.h: Update.
3273         * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
3274         (return_ret): Likewise.  Rename from return_internal_regs.
3275         (return_internal): Remove.
3276
3277         * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
3278         (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
3279         (mn10300_legitimate_constant_p): Likewise.
3280         (mn10300_can_use_return_insn): Use mn10300_initial_offset.
3281         (mn10300_frame_size): New.
3282         (mn10300_expand_prologue): Use it.
3283         (mn10300_expand_epilogue): Likewise.
3284         (mn10300_initial_offset): Likewise.
3285         * config/mn10300/mn10300-protos.h: Update.
3286         * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
3287         * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
3288         (prologue, epilogue, return_internal): Tidy output code.
3289         (mn10300_store_multiple_operation, return): Likewise.
3290         (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
3291         (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
3292         (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
3293         (load_pic, am33_load_pic): New.
3294         (mn10300_load_pic0, mn10300_load_pic1): New.
3295
3296         * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
3297         * config/mn10300/mn10300.c (CC_FLAG_Z): New.
3298         (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
3299         (cc_flags_for_mode, cc_flags_for_code): New.
3300         (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
3301         overflow flag is not valid.  Validate that the flags we need
3302         for the comparison are valid.
3303         (mn10300_output_cmp): Remove.
3304         (mn10300_output_add): New.
3305         (mn10300_select_cc_mode): Use cc_flags_for_code.
3306         (mn10300_split_cbranch): New.
3307         (mn10300_match_ccmode): New.
3308         (mn10300_split_and_operand_count): New.
3309         * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
3310         to the function.
3311         * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
3312         (addsi3): ... here.  Use mn10300_output_add.
3313         (*addsi3_flags): New.
3314         (*am33_subsi3, *mn10300_subsi3): Merge...
3315         (subsi3): ... here.  Use attribute isa.
3316         (*subsi3_flags): New.
3317         (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
3318         when possible.
3319         (*am33_andsi3, *mn10300_andsi3): Merge...
3320         (andsi3): ... here.
3321         (*andsi3_flags): New.
3322         (andsi3 splitters): New.
3323         (*am33_iorsi3, *mn10300_iorsi3): Merge...
3324         (iorsi3): ... here.
3325         (*iorsi3_flags): New.
3326         (*am33_xorsi3, *mn10300_xorsi3): Merge...
3327         (xorsi3): ... here.
3328         (*xorsi3_flags): New.
3329         (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
3330         (one_cmplsi2): ... here.
3331         (*one_cmplsi2_flags): New.
3332         (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
3333         instead of "dax" in constraints.  Use mn10300_split_cbranch.
3334         (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
3335         use matching constraints to eliminate a self-comparison.
3336         (*integer_conditional_branch): Rename from integer_conditional_branch.
3337         Use int_mode_flags to match CC_REG.
3338         (*cbranchsi4_btst, *btstsi): New.
3339         (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
3340         mn10300_split_cbranch.
3341         (*am33_cmpsf): Rename from am33_cmpsf.
3342         (*float_conditional_branch): Rename from float_conditional_branch.
3343         (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
3344         (zero_extendqisi2): ... here.
3345         (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
3346         (zero_extendhisi2): ... here.
3347         (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
3348         (extendqisi2): ... here.
3349         (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
3350         (extendhisi2): ... here.
3351         (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
3352         (ashlsi3): ... here.
3353         (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
3354         (lshrsi3): ... here.
3355         (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
3356         (ashrsi3): ... here.
3357         (consecutive add peephole): Remove.
3358         * config/mn10300/predicates.md (label_ref_operand): New.
3359         (int_mode_flags): New.
3360         (CCZN_comparison_operator): New.
3361
3362         * config/mn10300/mn10300.md (UNSPEC_EXT): New.
3363         (throughput_42_latency_43): New reservation.
3364         (mulsidi3, umulsidi3): New expanders.
3365         (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
3366         the MDR register to allocation; separately allocate the low and
3367         high parts of the DImode result.
3368         (umulsidi3_internal): Similarly.
3369         (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
3370         (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
3371         (udivsi3, umodsi3): Remove.
3372         (udivmodsi4, divmodsi4): New expanders.
3373         (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
3374         (*divmodsi4): Simiarly.
3375         (ext_internal): New.
3376
3377         * config/mn10300/constraints.md ("z"): New constraint.
3378         * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
3379         (FIXED_REGISTERS): Don't fix MDR.
3380         (CALL_USED_REGSITERS): Reformat nicely.
3381         (REG_ALLOC_ORDER): Add MDR.
3382         (enum regclass): Add MDR_REGS.
3383         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
3384         (IRA_COVER_CLASSES): Add MDR_REGS.
3385         (REGNO_REG_CLASS): Handle MDR_REG.
3386         * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
3387         (mn10300_register_move_cost): Likewise.
3388         * config/mn10300/mn10300.md (MDR_REG): New.
3389         (*movsi_internal): Handle moves to/from MDR_REGS.
3390
3391         * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
3392         POST_MODIFY.
3393         (mn10300_secondary_reload): Tidy combination reload classes.
3394         (mn10300_legitimate_address_p): Allow post-modify and reg+reg
3395         addresses for AM33.  Allow symbolic offsets for reg+imm.
3396         (mn10300_regno_in_class_p): New.
3397         (mn10300_legitimize_reload_address): New.
3398         * config/mn10300/mn10300.h (enum reg_class): Remove
3399         DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
3400         SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
3401         SP_OR_GENERAL_REGS.
3402         (REG_CLASS_NAMES): Update to match.
3403         (REG_CLASS_CONTENTS): Likewise.
3404         (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
3405         (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
3406         (REGNO_IN_RANGE_P): Remove.
3407         (REGNO_DATA_P): Use mn10300_regno_in_class_p.
3408         (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
3409         (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
3410         (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
3411         (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
3412         (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
3413         (REGNO_GENERAL_P): New.
3414         (HAVE_POST_MODIFY_DISP): New.
3415         (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
3416         (LEGITIMIZE_RELOAD_ADDRESS): New.
3417         * config/mn10300/mn10300-protos.h: Update.
3418
3419         * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
3420         DATA_REGS for AM33 stack-pointer destination.
3421         (mn10300_preferred_output_reload_class): Likewise.
3422         (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
3423         into a form appropriate for ...
3424         (TARGET_SECONDARY_RELOAD): New.
3425         * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
3426         * config/mn10300/mn10300-protos.h: Update.
3427         * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
3428         reload_insi; use the "A" constraint for the scratch; handle AM33
3429         moves of sp to non-address registers.
3430
3431         * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
3432         (*movqi_internal): ... here.
3433         (*am33_movhi, *mn10300_movhi): Merge into...
3434         (*movhi_internal): ... here.
3435         (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
3436         as the source/destination of moves from/to SP.
3437         (movsf): Only allow for AM33-2.
3438         (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
3439         any integer constant constraint.  Only allow for AM33-2.  Tidy
3440         all of the alternative outputs.
3441         (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
3442         (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
3443         for MN103.
3444         (udivsi3, umodsi3): New patterns for MN103 only.
3445
3446 2011-01-19  Joern Rennecke  <amylaar@spamcop.net>
3447
3448         * doc/tm.texi.in: Spell out that a lack of register class unions
3449         can lead to ICEs.
3450         * doc/tm.texi: Regenerate.
3451
3452 2011-01-19  Jakub Jelinek  <jakub@redhat.com>
3453
3454         PR rtl-optimization/47337
3455         * dce.c (check_argument_store): New function.
3456         (find_call_stack_args): Ignore debug insns.  Use check_argument_store.
3457
3458         PR tree-optimization/47290
3459         * tree-eh.c (infinite_empty_loop_p): New function.
3460         (cleanup_empty_eh): Use it.
3461
3462 2011-01-18  Steve Ellcey  <sje@cup.hp.com>
3463
3464         PR target/46997
3465         * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
3466         (a64_expand_widen_sum): Ditto.
3467         * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
3468         (vec_extract_evenodd_help): Ditto.
3469         (vec_extract_evenv4hi): Ditto.
3470         (vec_extract_oddv4hi): Ditto.
3471         (vec_extract_evenv2si): Ditto.
3472         (vec_extract_oddv2si): Ditto.
3473         (vec_extract_evenv2sf): Ditto.
3474         (vec_extract_oddv2sf): Ditto.
3475         (vec_pack_trunc_v4hi: Ditto.
3476         (vec_pack_trunc_v2si): Ditto.
3477         (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
3478         (vec_interleave_highv8qi): Ditto.
3479         (mix1_r): Ditto.
3480         (vec_extract_oddv8qi): Ditto.
3481         (vec_interleave_lowv4hi): Ditto.
3482         (vec_interleave_highv4hi): Ditto.
3483         (vec_interleave_lowv2si): Ditto.
3484         (vec_interleave_highv2si): Ditto.
3485
3486 2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3487
3488         * doc/extend.texi: Mention __float128 support on hppa HP-UX.
3489         * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
3490         * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
3491         (pa_c_mode_for_suffix): New.
3492         (TARGET_EXPAND_BUILTIN): Define.
3493         (TARGET_C_MODE_FOR_SUFFIX): Define.
3494         (pa_builtins): Define.
3495         (pa_init_builtins): Register __float128 type and init new support
3496         builtins.
3497         * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
3498         * config/pa/quadlib.c (_U_Qfcopysign): New.
3499
3500 2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3501
3502         PR middle-end/46894
3503         * explow.c (allocate_dynamic_stack_space): Do not assume more than
3504         BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
3505         are defined.
3506
3507 2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3508
3509         PR tree-optimization/47179
3510         * config/spu/spu.c (spu_ref_may_alias_errno): New function.
3511         (TARGET_REF_MAY_ALIAS_ERRNO): Define.
3512
3513 2011-01-18  Richard Guenther  <rguenther@suse.de>
3514
3515         PR rtl-optimization/47216
3516         * emit-rtl.c: Include tree-flow.h.
3517         (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
3518         of replicating it with different semantics.
3519         * Makefile.in (emit-rtl.o): Adjust.
3520
3521 2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3522
3523         * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
3524         (cortex_a9_dp): Handle neon types correctly.
3525
3526 2011-01-18  Jakub Jelinek  <jakub@redhat.com>
3527
3528         PR rtl-optimization/47299
3529         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
3530         subtarget.  Use normal multiplication if both operands are constants.
3531         * expmed.c (expand_widening_mult): Don't try to optimize constant
3532         multiplication if op0 has VOIDmode.  Convert op1 constant to mode
3533         before using it.
3534
3535 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3536
3537         * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
3538         spacing after 'e.g.', typos, comma, hyphenation.
3539
3540 2011-01-17  Richard Henderson  <rth@redhat.com>
3541
3542         * config/rx/predicates.md (rx_constshift_operand): Use match_test.
3543         (rx_restricted_mem_operand): New.
3544         (rx_shift_operand): Use register_operand.
3545         (rx_source_operand, rx_compare_operand): Likewise.
3546         * config/rx/rx.md (addsi3_flags): New expander.
3547         (adddi3): Rewrite as expander.
3548         (adc_internal, *adc_flags, adddi3_internal): New patterns.
3549         (subsi3_flags): New expander.
3550         (subdi3): Rewrite as expander.
3551         (sbb_internal, *sbb_flags, subdi3_internal): New patterns.
3552
3553         * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
3554         (rx_init_builtins): Remove sat builtin.
3555         (rx_expand_builtin): Likewise.
3556         * config/rx/rx.md (ssaddsi3): New.
3557         (*sat): Rename from sat.  Represent the CC_REG input.
3558
3559         * config/rx/predicates.md (rshift_operator): New.
3560         * config/rx/rx.c (rx_expand_insv): Remove.
3561         * config/rx/rx-protos.h: Update.
3562         * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
3563         operand to the canonical position.
3564         (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
3565         (*bitclr, *bitclr_in_memory): Similarly.
3566         (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
3567         (insv): Retain the zero_extract in the expansion.
3568
3569         * config/rx/rx.md (bswapsi2): Use = not + for output reload.
3570         (bswaphi2, bitinvert, revw): Likewise.
3571
3572         * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
3573         (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
3574         * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
3575         (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
3576         (bitset, bitset_in_memory): Likewise.
3577         (bitinvert, bitinvert_in_memory): Likewise.
3578         (bitclr, bitclr_in_memory): Likewise.
3579         (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
3580         (rx_strend, rx_cmpstrn): Likewise.
3581         (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
3582         (bitop peep2 patterns): Remove.
3583
3584         * config/rx/rx.c (rx_match_ccmode): New.
3585         * config/rx/rx-protos.h: Update.
3586         * config/rx/rx.md (abssi2): Clobber, don't set flags.
3587         (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
3588         (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
3589         (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
3590         (fix_truncsfsi2, floatsisf2): Likewise.
3591         (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
3592         (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
3593         (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
3594         (*subsi3_flags, *xorsi3_flags): New.
3595
3596         * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.
3597
3598         * config/rx/rx.c (rx_print_operand): Remove workaround for
3599         unsplit comparison operations.
3600
3601         * config/rx/rx.md (movsicc): Split after reload.
3602         (*movsicc): Merge *movsieq and *movsine via match_operator.
3603         (*stcc): New pattern.
3604
3605         * config/rx/rx.c (rx_float_compare_mode): Remove.
3606         * config/rx/rx.h (rx_float_compare_mode): Remove.
3607         * config/rx/rx.md (cstoresi4): Split after reload.
3608         (*sccc): New pattern.
3609
3610         * config/rx/predicates.md (label_ref_operand): New.
3611         (rx_z_comparison_operator): New.
3612         (rx_zs_comparison_operator): New.
3613         (rx_fp_comparison_operator): New.
3614         * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
3615         Validate that the flags are set properly for the comparison.
3616         (rx_gen_cond_branch_template): Remove.
3617         (rx_cc_modes_compatible): Remove.
3618         (mode_from_flags): New.
3619         (flags_from_code): Rename from flags_needed_for_conditional.
3620         (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
3621         (rx_select_cc_mode): Likewise.
3622         (rx_split_fp_compare): New.
3623         (rx_split_cbranch): New.
3624         * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
3625         (*cbranchsi4): Use match_operator and rx_split_cbranch.
3626         (*cbranchsf4): Similarly.
3627         (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
3628         match_operator and rx_split_cbranch.
3629         (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
3630         tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
3631         (*cmpsi): Rename from cmpsi.
3632         (*tstsi): Rename from tstsi.
3633         (*cmpsf): Rename from cmpsf; use CC_Fmode.
3634         (*conditional_branch): Rename from conditional_branch.
3635         (*reveresed_conditional_branch): Remove.
3636         (b<code>): Remove expander.
3637         * config/rx/rx-protos.h: Update.
3638
3639         * config/rx/rx.c (rx_compare_redundant): Remove.
3640         * config/rx/rx.md (cmpsi): Don't use it.
3641         * config/rx/rx-protos.h: Update.
3642
3643         * config/rx/rx-modes.def (CC_F): New mode.
3644         * config/rx/rx.c (rx_select_cc_mode): New.
3645         * config/rx/rx.h (SELECT_CC_MODE): Use it.
3646         * config/rx/rx-protos.h: Update.
3647
3648 2011-01-17  Richard Henderson  <rth@redhat.com>
3649
3650         * except.c (dump_eh_tree): Fix stray ; after for statement.
3651
3652 2011-01-17  Richard Guenther  <rguenther@suse.de>
3653
3654         PR tree-optimization/47313
3655         * tree-inline.c (tree_function_versioning): Move DECL_RESULT
3656         handling before copying the body.  Properly deal with
3657         by-reference result in SSA form.
3658
3659 2011-01-17  Ian Lance Taylor  <iant@google.com>
3660
3661         PR target/47219
3662         * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
3663         (struct_value_alias_set): Don't define.
3664         (sparc_option_override): Don't set sparc_sr_alias_set and
3665         struct_value_alias_set.
3666         (save_or_restore_regs): Use gen_frame_mem rather than calling
3667         set_mem_alias_set.
3668         (sparc_struct_value_rtx): Likewise.
3669
3670 2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>
3671
3672         PR target/47318
3673         * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
3674         __m128i.
3675         (_mm_maskstore_pd): Likewise.
3676         (_mm_maskload_ps): Likewise.
3677         (_mm_maskstore_ps): Likewise.
3678         (_mm256_maskload_pd): Change mask to __m256i.
3679         (_mm256_maskstore_pd): Likewise.
3680         (_mm256_maskload_ps): Likewise.
3681         (_mm256_maskstore_ps): Likewise.
3682
3683         * config/i386/i386-builtin-types.def: Updated.
3684         (ix86_expand_special_args_builtin): Likewise.
3685
3686         * config/i386/i386.c (bdesc_special_args): Update
3687         __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
3688         __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
3689         __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
3690         __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.
3691
3692         * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
3693         Use <avxpermvecmode> on mask register.
3694         (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.
3695
3696 2011-01-17  Olivier Hainque  <hainque@adacore.com>
3697             Michael Haubenwallner  <michael.haubenwallner@salomon.at>
3698             Eric Botcazou  <ebotcazou@adacore.com>
3699
3700         PR target/46655
3701         * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
3702         if <= USHRT_MAX in 32-bit mode.
3703
3704 2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3705
3706         * doc/install.texi (Configuration, Specific): Wrap long
3707         lines in examples.  Allow line wrapping in long options
3708         and URLs where beneficial for PDF output.
3709
3710 2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>
3711
3712         * config/mips/mips.c (mips_classify_symbol): Don't return
3713         SYMBOL_PC_RELATIVE for nonlocal labels.
3714
3715 2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>
3716
3717         * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.
3718
3719 2011-01-15  Jan Hubicka  <jh@suse.cz>
3720
3721         PR tree-optimization/47276
3722         * ipa.c (function_and_variable_visibility): Do not try to mark alias
3723         declarations as needed.
3724
3725 2011-01-15  Martin Jambor  <mjambor@suse.cz>
3726
3727         * common.opt (fdevirtualize): New flag.
3728         * doc/invoke.texi (Option Summary): Document it.
3729         * opts.c (default_options_table): Add devirtualize flag.
3730         * ipa-prop.c (detect_type_change): Return immediately if
3731         devirtualize flag is not set.
3732         (detect_type_change_ssa): Likewise.
3733         (compute_known_type_jump_func): Likewise.
3734         (ipa_analyze_virtual_call_uses): Likewise.
3735
3736 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3737
3738         PR tree-optimization/45934
3739         PR tree-optimization/46302
3740         * ipa-prop.c (type_change_info): New type.
3741         (stmt_may_be_vtbl_ptr_store): New function.
3742         (check_stmt_for_type_change): Likewise.
3743         (detect_type_change): Likewise.
3744         (detect_type_change_ssa): Likewise.
3745         (compute_complex_assign_jump_func): Check for dynamic type change.
3746         (compute_complex_ancestor_jump_func): Likewise.
3747         (compute_known_type_jump_func): Likewise.
3748         (compute_scalar_jump_functions): Likewise.
3749         (ipa_analyze_virtual_call_uses): Likewise.
3750         (ipa_analyze_node): Push and pop cfun, set current_function_decl.
3751
3752 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3753
3754         * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
3755         * config/i386/i386.opt (msse5): New Alias.
3756
3757 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3758
3759         * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
3760         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3761         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3762         * config/sparc/sparc.h (CC1_SPEC): Likewise.
3763
3764 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3765
3766         * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
3767         -mcpu options.
3768         * config/sparc/linux64.h (CC1_SPEC): Likewise.
3769         * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
3770         * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
3771         * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
3772         Likewise.
3773         * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.
3774
3775 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3776
3777         * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.
3778
3779 2011-01-14  Mike Stump  <mikestump@comcast.net>
3780
3781         * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
3782         * config/fr30/fr30.md: Likweise
3783         (movsi_push): Likewise.
3784         (movsi_pop): Likewise.
3785         (enter_func): Likewise.
3786         * config/moxie/moxie.md (movsi_push): Likewise.
3787         (movsi_pop): Likewise.
3788
3789 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3790
3791         * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
3792         %{no_archive} %{exact_version}.
3793         * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
3794         * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
3795         %{no_archive} %{exact_version}.
3796         * config/mips/openbsd.h (LINK_SPEC): Likewise.
3797         * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
3798         * config/mips/vxworks.h: Likewise.
3799
3800 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3801
3802         * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.
3803
3804 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3805
3806         * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
3807         ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.
3808
3809 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3810
3811         * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
3812         -nodefaultlib.
3813
3814 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3815
3816         * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
3817         for mcpu not cpu.
3818         * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
3819         CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
3820         not cpu.
3821         (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
3822         Don't handle -shlib.
3823
3824 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3825
3826         * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
3827         (CC1_SPEC): Don't handle -profile.
3828
3829 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3830
3831         * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
3832         * config/mips/mips.h (CC1_SPEC): Likewise.
3833
3834 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3835
3836         * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
3837         * config/mips/mips.h (CC1_SPEC): Likewise.
3838
3839 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3840
3841         * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
3842         * config/m32r/linux.h (LINK_SPEC): Likewise.
3843         * config/mips/linux.h (LINK_SPEC): Likewise.
3844         * config/mips/linux64.h (LINK_SPEC): Likewise.
3845         * config/sparc/linux.h (LINK_SPEC): Likewise.
3846         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3847         LINK_SPEC): Likewise.
3848         * config/xtensa/linux.h (LINK_SPEC): Likewise.
3849
3850 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3851
3852         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
3853         %{version:-v}.
3854         * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.
3855
3856 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3857
3858         * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
3859         * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.
3860
3861 2011-01-14  Joseph Myers  <joseph@codesourcery.com>
3862
3863         * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.
3864
3865 2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3866
3867         * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
3868         supports -Bstatic/-Bdynamic.
3869         * configure: Regenerate.
3870
3871 2011-01-14  Jan Hubicka  <jh@suse.cz>
3872             Jack Howarth  <howarth@bromo.med.uc.edu>
3873
3874         PR target/46037
3875         * config/darwin.c (darwin_override_options): Honor flag_gtoggle
3876         when checking debug_info_level. Test write_symbols instead of
3877         debug_hooks->var_location when setting flag_var_tracking_uninit.
3878
3879 2011-01-14  Richard Guenther  <rguenther@suse.de>
3880
3881         PR tree-optimization/47179
3882         * target.def (ref_may_alias_errno): New target hook.
3883         * targhooks.h (default_ref_may_alias_errno): Declare.
3884         * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
3885         (default_ref_may_alias_errno): New function.
3886         * target.h (struct ao_ref_s): Declare.
3887         * tree-ssa-alias.c: Include target.h.
3888         (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
3889         * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
3890         (targhooks.o): Likewise.
3891         * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
3892         * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.
3893
3894 2011-01-14  Richard Guenther  <rguenther@suse.de>
3895
3896         * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.
3897
3898 2011-01-14  Richard Guenther  <rguenther@suse.de>
3899
3900         PR tree-optimization/47280
3901         * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
3902         return CFG changes.
3903         (tree_ssa_forward_propagate_single_use_vars): Deal with
3904         CFG changes from associate_plusminus.
3905
3906 2011-01-14  Richard Guenther  <rguenther@suse.de>
3907
3908         PR middle-end/47281
3909         Revert
3910         2011-01-11  Richard Guenther  <rguenther@suse.de>
3911
3912         PR tree-optimization/46076
3913         * tree-ssa.c (useless_type_conversion_p): Conversions from
3914         unprototyped to empty argument list function types are useless.
3915
3916 2011-01-14  Richard Guenther  <rguenther@suse.de>
3917
3918         PR tree-optimization/47286
3919         * tree-ssa-structalias.c (new_var_info): Register variables are global.
3920
3921 2011-01-14  Martin Jambor  <mjambor@suse.cz>
3922
3923         PR middle-end/46823
3924         * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.
3925
3926 2011-01-13  Anatoly Sokolov  <aesok@post.ru>
3927
3928         * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
3929         LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
3930         * config/xtensa/xtensa.c (xtensa_libcall_value,
3931         xtensa_function_value_regno_p): New functions.
3932         (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.
3933
3934 2011-01-13  Kai Tietz  <kai.tietz@onevision.com>
3935
3936         PR c++/47213
3937         * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
3938         PE specific hook.
3939         * config/i386/i386-protos.h (i386_pe_assemble_visibility):
3940         New function prototype.
3941         * config/i386/winnt.c (i386_pe_assemble_visibility):
3942         Warn only if attribute was specified by user.
3943
3944 2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
3945
3946         PR target/47251
3947         * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
3948         floating point.
3949         (floatunsdidf2_fcfidu): Ditto.
3950
3951 2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3952
3953         * config/s390/s390.c (print_operand_address): Replace 'error' with
3954         'output_operand_lossage'.
3955         (print_operand): Likewise.
3956
3957 2011-01-13  Jeff Law  <law@redhat.com>
3958
3959         PR rtl-optimization/39077
3960         * doc/invoke.texi (max-gcse-insertion-ratio): Document.
3961         * params.h (MAX_GCSE_INSERTION_RATIO): Define.
3962         * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
3963         * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
3964         * gcse.c (prune_insertions_deletions): New function.
3965         (compute_pre_data): Use it.
3966
3967 2011-01-13  Dodji Seketeli  <dodji@redhat.com>
3968
3969         PR debug/PR46973
3970         * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
3971         static function.
3972         (prune_unused_types_mark): Use it.
3973
3974 2011-01-13  Andrey Belevantsev  <abel@ispras.ru>
3975
3976         PR rtl-optimization/45352
3977         * sel-sched.c: Update copyright years.
3978         (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
3979         in the advancing loop when we have issued issue_rate insns.
3980
3981 2011-01-12  Richard Henderson  <rth@redhat.com>
3982
3983         * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
3984         (TARGET_MD_ASM_CLOBBERS): New.
3985
3986         * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
3987         (TARGET_DELEGITIMIZE_ADDRESS): New.
3988
3989         * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
3990         (clzsi2, *bsch): New patterns.
3991
3992         * config/mn10300/mn10300.md (INT): New mode iterator.
3993         (*mov<INT>_clr): New pattern, and peep2 to generate it.
3994
3995         * config/mn10300/mn10300.c (mn10300_option_override): Force enable
3996         flag_split_wide_types.
3997
3998         * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
3999         (mn10300_trampoline_init): Rewrite without a template, an immediate
4000         load and a direct branch.
4001         * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.
4002
4003 2011-01-12  Anatoly Sokolov  <aesok@post.ru>
4004
4005         * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4006         * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
4007         * config/s390/s390.c (s390_output_addr_const_extra): Make static.
4008         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4009
4010 2011-01-12  Kai Tietz  <kai.tietz@onevision.com>
4011
4012         PR debug/47209
4013         * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
4014         of type.
4015
4016 2011-01-12  Jan Hubicka  <jh@suse.cz>
4017
4018         PR driver/47244
4019         * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
4020         (PLUGIN_COND_CLOSE): New macro.
4021         (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.
4022
4023 2011-01-12  Richard Guenther  <rguenther@suse.de>
4024
4025         PR lto/47259
4026         * lto-streamer-out.c (output_gimple_stmt): Do not wrap
4027         register variables in a MEM_REF.
4028
4029 2011-01-12  Joseph Myers  <joseph@codesourcery.com>
4030
4031         * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
4032         crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
4033         hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
4034         i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
4035         i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
4036         x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
4037         ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
4038         m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
4039         mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
4040         s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
4041         sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
4042         am33_2.0-*-linux*): Use gnu-user.h before linux.h.
4043         * config/gnu-user.h: New.  Copied from linux.h.
4044         (LINUX_TARGET_STARTFILE_SPEC): Rename to
4045         GNU_USER_TARGET_STARTFILE_SPEC.
4046         (LINUX_TARGET_ENDFILE_SPEC): Rename to
4047         GNU_USER_TARGET_ENDFILE_SPEC.
4048         (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
4049         (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
4050         (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
4051         LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
4052         CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
4053         UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
4054         BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
4055         BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
4056         LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
4057         TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
4058         * config/arm/linux-eabi.h (CC1_SPEC): Use
4059         GNU_USER_TARGET_CC1_SPEC.
4060         (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
4061         (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
4062         (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
4063         * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
4064         LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
4065         LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
4066         CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
4067         LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.
4068
4069 2011-01-12  Richard Guenther  <rguenther@suse.de>
4070
4071         PR other/46946
4072         * doc/invoke.texi (ffast-math): Document it is turned on
4073         with -Ofast.
4074
4075 2011-01-12  Jan Hubicka  <jh@suse.cz>
4076
4077         PR tree-optimization/47233
4078         * opts.c (common_handle_option): Disable ipa-reference with profile
4079         feedback.
4080
4081 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4082
4083         * c-parser.c (c_parser_objc_at_property_declaration): Improved
4084         error message.
4085
4086 2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>
4087
4088         * c-parser.c (c_lex_one_token): Updated and reindented some
4089         comments.  No changes in code.
4090
4091 2011-01-11  Ian Lance Taylor  <iant@google.com>
4092
4093         * godump.c (go_output_var): Don't output the variable if there is
4094         already a type with the same name.
4095
4096 2011-01-11  Ian Lance Taylor  <iant@google.com>
4097
4098         * godump.c (go_format_type): Don't generate float80.
4099
4100 2011-01-11  Richard Henderson  <rth@redhat.com>
4101
4102         * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
4103         declaration.  Rewrite for both speed and size.
4104         (mn10300_address_cost_1): Remove.
4105         (mn10300_register_move_cost): New.
4106         (mn10300_memory_move_cost): New.
4107         (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
4108         ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
4109         extensions, shifts, BSWAP, CLZ.
4110         (mn10300_wide_const_load_uses_clr): Remove.
4111         (TARGET_REGISTER_MOVE_COST): New.
4112         (TARGET_MEMORY_MOVE_COST): New.
4113         * config/mn10300/mn10300-protos.h: Update.
4114         * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.
4115
4116         * config/mn10300/constraints.md ("R", "T"): Remove constraints.
4117         * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
4118         * config/mn10300/mn10300-protos.h: Update.
4119         * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
4120         (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
4121         (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
4122         (*test_int_bitfield, *test_byte_bitfield): Remove.
4123         (*bit_test, *subreg_bit_test): Remove.
4124         * config/mn10300/predicates.md (const_8bit_operand): Remove.
4125
4126         * config/mn10300/constraints.md ("c"): Rename from "A".
4127         ("A", "D"): New constraint letters.
4128         * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
4129         (fmssf4, fnmasf4, fnmssf4): Likewise.
4130
4131         * config/mn10300/mn10300.md (isa): New attribute.
4132         (enabled): New attribute.
4133
4134         * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
4135         (abssf2, negsf2): Define only for hardware fp.
4136         (sqrtsf2): Reformat.
4137         (addsf3, subsf3, mulsf3): Merge expander and insn.
4138
4139         * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
4140         (DEBUGGER_AUTO_OFFSET): Remove.
4141         (DEBUGGER_ARG_OFFSET): Remove.
4142
4143         * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
4144         Emit register stores with the same offsets as the hardware.
4145         (mn10300_store_multiple_operation): Don't check that the register
4146         save offsets are monotonic.
4147         * config/mn10300/mn10300-protos.h: Update.
4148
4149         * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.
4150
4151         * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
4152         in terms of the value on the stack, not the MDR register.
4153
4154 2011-01-11  Jan Hubicka  <jh@suse.cz>
4155
4156         PR lto/45721
4157         PR lto/45375
4158         * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
4159         (symbol_alias_set_destroy, symbol_alias_set_contains,
4160         propagate_aliases_backward): Declare.
4161         * lto-streamer-out.c (struct sets): New sturcture.
4162         (trivally_defined_alias): New function.
4163         (output_alias_pair_p): Rewrite.
4164         (output_unreferenced_globals): Fix output of alias pairs.
4165         (produce_symtab): Likewise.
4166         * ipa.c (function_and_variable_visibility): Set weak alias destination
4167         as needed in lto.
4168         * varasm.c (symbol_alias_set_t): Remove.
4169         (symbol_alias_set_destroy): Export.
4170         (propagate_aliases_forward, propagate_aliases_backward): New functions
4171         based on ...
4172         (compute_visible_aliases): ... this one; remove.
4173         (trivially_visible_alias): New
4174         (trivially_defined_alias): New.
4175         (remove_unreachable_alias_pairs): Rewrite.
4176         (finish_aliases_1): Reorganize code checking if alias is defined.
4177         * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
4178         in LTO mode.
4179
4180 2011-01-11  Richard Guenther  <rguenther@suse.de>
4181
4182         PR tree-optimization/46076
4183         * tree-ssa.c (useless_type_conversion_p): Conversions from
4184         unprototyped to empty argument list function types are useless.
4185
4186 2011-01-11  Richard Guenther  <rguenther@suse.de>
4187
4188         PR middle-end/45235
4189         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
4190         volatile MEMs as MEM_READONLY_P.
4191
4192 2011-01-11  Richard Guenther  <rguenther@suse.de>
4193
4194         PR tree-optimization/47239
4195         * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.
4196
4197 2011-01-11  Jeff Law  <law@redhat.com>
4198
4199         PR tree-optimization/47086
4200         * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
4201         IVs from statements that might throw.
4202
4203 2011-01-10  Jan Hubicka  <jh@suse.cz>
4204
4205         PR lto/45375
4206         * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.
4207
4208 2011-01-10  Jan Hubicka  <jh@suse.cz>
4209
4210         PR lto/45375
4211         * profile.c (read_profile_edge_counts): Ignore profile inconistency
4212         when correcting profile.
4213
4214 2011-01-10  Jan Hubicka  <jh@suse.cz>
4215
4216         PR lto/46083
4217         * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
4218         DECL_FINI_PRIORITY.
4219         * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
4220         Restore DECL_FINI_PRIORITY.
4221
4222 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4223
4224         * doc/gimple.texi: Fix quoting of multi-word return values in
4225         @deftypefn statements.  Ensure presence of return value.  Wrap
4226         overlong @deftypefn lines.
4227         (is_gimple_operand, is_gimple_min_invariant_address): Remove
4228         descriptions of removed functions.
4229         * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
4230         of multi-word return value in @deftypefn statement.
4231
4232 2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4233
4234         * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
4235         (Conditional Expressions, Logical Operators)
4236         (Statement and operand traversals): Do not indent smallexample
4237         code.  Fix duplicate function argument in example.
4238
4239 2011-01-10  Jeff Law  <law@redhat.com>
4240
4241         PR tree-optimization/47141
4242         * ipa-split.c (split_function): Handle case where we are
4243         returning a value and the return block has a virtual operand phi.
4244
4245 2011-01-10  Jan Hubicka  <jh@suse.cz>
4246
4247         PR tree-optimization/47234
4248         * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
4249         (pass_feedback_split_functions): Declare.
4250         * passes.c (init_optimization_passes): Add ipa-split as subpass of
4251         tree-profile.
4252         * ipa-split.c (gate_split_functions): Update comments; disable
4253         split-functions for profile_arc_flag and branch_probabilities.
4254         (gate_feedback_split_functions): New function.
4255         (execute_feedback_split_functions): New function.
4256         (pass_feedback_split_functions): New global var.
4257
4258 2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>
4259
4260         PR lto/46760
4261         * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
4262         calling gimple_call_set_cannot_inline.
4263
4264 2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>
4265
4266         * config/darwin-sections.def: Remove unused section.
4267
4268 2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>
4269
4270         PR c++/47218
4271         * cgraphunit.c (assemble_thunk): Call resolve_unique_section.
4272
4273 2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>
4274
4275         PR objc/47232
4276         * c-parser.c (c_parser_declaration_or_fndef): Improved
4277         error message.
4278
4279 2011-01-09  Kai Tietz  <kai.tietz@onevision.com>
4280
4281         * config/i386/winnt.c (i386_pe_start_function): Make sure
4282         to switch back to function's section.
4283
4284 2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>
4285
4286         PR gcc/46902
4287         PR testsuite/46912
4288         * plugin.c: Move include of dlfcn.h from here...
4289         * system.h: ... to here.
4290
4291 2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4292
4293         * doc/cpp.texi (C++ Named Operators): Fix markup for header
4294         file name.
4295         * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
4296         two extra empty pages in PDF output.
4297
4298 2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>
4299
4300         PR objc/47078
4301         * c-parser.c (c_parser_objc_type_name): If the type is unknown,
4302         for error recovery purposes behave as if it was not specified so
4303         that the default type is usd.
4304
4305 2011-01-07  Jan Hubicka  <jh@suse.cz>
4306
4307         PR tree-optmization/46469
4308         * ipa.c (function_and_variable_visibility): Clear needed flags on
4309         nodes with external decls; handle weakrefs merging correctly.
4310
4311 2011-01-07  Joseph Myers  <joseph@codesourcery.com>
4312
4313         * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
4314         not false.
4315
4316 2011-01-07  Jan Hubicka  <jh@suse.cz>
4317
4318         * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
4319         and no longer claim that gold is required for linker plugin.
4320         * configure: Regenerate.
4321         * gcc.c (PLUGIN_COND): New macro.
4322         (LINK_COMMAND_SPEC): Use it.
4323         (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
4324         * config.in (HAVE_LTO_PLUGIN): New.
4325         * configure.ac (--with-lto-plugin): New parameter; autodetect
4326         HAVE_LTO_PLUGIN.
4327
4328 2011-01-07  Jan Hubicka  <jh@suse.cz>
4329
4330         PR tree-optimization/46367
4331         * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
4332         when we can update original.
4333         (cgraph_mark_inline_edge): Sanity check.
4334         * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.
4335
4336 2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4337
4338         * config/spu/spu.h (ASM_COMMENT_START): Define.
4339
4340 2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>
4341
4342         PR driver/42445
4343         * gcc.c (%>S): New.
4344         (SWITCH_KEEP_FOR_GCC): Likewise.
4345         (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
4346         (do_spec_1): Handle "%>".
4347
4348         * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".
4349
4350 2011-01-07  Jakub Jelinek  <jakub@redhat.com>
4351
4352         PR target/47201
4353         * config/i386/i386.c (ix86_delegitimize_address): If
4354         simplify_gen_subreg fails, return orig_x.
4355
4356         PR bootstrap/47187
4357         * value-prof.c (gimple_stringop_fixed_value): Handle
4358         lhs of the call properly.
4359
4360 2011-01-07  Jan Hubicka  <jh@suse.cz>
4361
4362         PR lto/45375
4363         * lto-opt.c (lto_reissue_options): Set flag_shlib.
4364
4365 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4366
4367         * target.def (function_switched_text_sections): New hook.
4368         * doc/tm.texi: Regenerated.
4369         * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4370         * final.c (default_function_switched_text_sections): New.
4371         (final_scan_insn): Call function_switched_text_sections when a
4372         mid-function section change occurs.
4373         * output.h (default_function_switched_text_sections): Declare.
4374         * config/darwin-protos.h (darwin_function_switched_text_sections):
4375         Likewise.
4376         * config/darwin.c (darwin_function_switched_text_sections): New.
4377         * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
4378
4379 2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>
4380
4381         * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
4382         DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
4383         the secondary code fragment when outputting for DWARF == 2.
4384
4385 2011-01-07  Anatoly Sokolov  <aesok@post.ru>
4386
4387         * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
4388         * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
4389         Remove.
4390         * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
4391         (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
4392
4393 2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>
4394
4395         PR debug/46704
4396         * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
4397         when it is not empty.
4398
4399 2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>
4400
4401         Bobcat Enablement
4402         * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
4403         (case ${target}): Add btver1.
4404         * config/i386/driver-i386.c (host_detect_local_cpu): Let
4405         -march=native recognize btver1 processors.
4406         * config/i386/i386-c.c (ix86_target_macros_internal): Add
4407         btver1 def_and_undef
4408         * config/i386/i386.c (struct processor_costs btver1_cost): New
4409         btver1 cost table.
4410         (m_BTVER1): New definition.
4411         (m_AMD_MULTIPLE): Includes m_BTVER1.
4412         (initial_ix86_tune_features): Add btver1 tune.
4413         (processor_target_table): Add btver1 entry.
4414         (static const char *const cpu_names): Add btver1 entry.
4415         (software_prefetching_beneficial_p): Add btver1.
4416         (ix86_option_override_internal): Add btver1 instruction sets.
4417         (ix86_issue_rate): Add btver1.
4418         (ix86_adjust_cost): Add btver1.
4419         * config/i386/i386.h (TARGET_BTVER1): New definition.
4420         (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
4421         (enum processor_type): Add PROCESSOR_BTVER1.
4422         * config/i386/i386.md (define_attr "cpu"): Add btver1.
4423
4424 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4425
4426         PR target/43309
4427         * config/i386/i386.c (legitimize_tls_address)
4428         <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
4429         * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
4430         (tls_initial_exec_64_sun): New pattern.
4431
4432 2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
4433
4434         * doc/invoke.texi (Overall Options): Improve wording and markup
4435         of the description of -wrapper.
4436
4437 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4438
4439         * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
4440         rdynamic, threads): New Driver options.
4441
4442 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4443
4444         PR target/38118
4445         * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
4446         if coming from .tdata.
4447         * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4448
4449 2011-01-06  Jan Hubicka  <jh@suse.cz>
4450
4451         PR lto/47188
4452         * collect2.c (main): Do not enable LTOmode when plugin is active.
4453
4454 2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4455
4456         PR other/45915
4457         * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
4458         --version output if supported.
4459         * configure: Regenerate.
4460
4461 2011-01-06  Joseph Myers  <joseph@codesourcery.com>
4462
4463         * config/linux-android.opt (tno-android-cc, tno-android-ld): New
4464         Driver options.
4465
4466 2011-01-06  Jakub Jelinek  <jakub@redhat.com>
4467
4468         PR c/47150
4469         * c-convert.c (convert): When converting a complex expression
4470         other than COMPLEX_EXPR to a different complex type, ensure
4471         c_save_expr is called instead of save_expr, unless in_late_binary_op.
4472         * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
4473         when converting COMPLEX_TYPE.
4474
4475 2011-01-06  Ira Rosen  <irar@il.ibm.com>
4476
4477         PR tree-optimization/47139
4478         * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
4479         only the last reduction value is used outside the loop.  Update
4480         documentation.
4481
4482 2011-01-05  Joseph Myers  <joseph@codesourcery.com>
4483
4484         * config/rtems.opt: New.
4485         * config.gcc (*-*-rtems*): Use rtems.opt.
4486
4487 2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>
4488
4489         * config/i386/i386.c (ix86_option_override_internal): Bulldozer
4490         processors do not support 3DNow instructions.
4491
4492 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4493
4494         * config/spu/spu.c (spu_option_override): Set parameter
4495         PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.
4496
4497 2011-01-05  Jan Hubicka  <jh@suse.cz>
4498
4499         * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
4500         at the command line.
4501
4502 2011-01-05  Martin Jambor  <mjambor@suse.cz>
4503
4504         PR lto/47162
4505         * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
4506         deltas on streamed outgoing edges.
4507         (output_node_opt_summary): Output info for outgoing edges only when
4508         the node is in new parameter set.
4509         (output_cgraph_opt_summary): New parameter set, passed to the two
4510         aforementioned functions.  Update its forward declaration and its
4511         callee too.
4512
4513 2011-01-05  Tom Tromey  <tromey@redhat.com>
4514
4515         * c-parser.c (c_parser_omp_atomic): Pass location of assignment
4516         operator to c_finish_omp_atomic.
4517         * c-typeck.c (lvalue_or_else): Add 'loc' argument.
4518         (build_unary_op): Update.
4519         (build_modify_expr): Update.
4520         (build_asm_expr): Update.
4521
4522 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4523
4524         * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
4525         newly inserted insns.
4526         (pad_bb): Likewise.
4527         (spu_emit_branch_hint): Likewise.
4528         (insert_hbrp_for_ilb_runout): Likewise.
4529         (spu_machine_dependent_reorg): Call df_finish_pass after
4530         schedule_insns returns.
4531
4532 2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4533
4534         * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.
4535
4536 2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>
4537
4538         PR tree-optimization/47005
4539         * tree-sra.c (struct access): Add 'non_addressable' bit.
4540         (create_access): Set it for a DECL_NONADDRESSABLE_P field.
4541         (decide_one_param_reduction): Return 0 if the parameter is passed by
4542         reference and one of the accesses in the group is non_addressable.
4543
4544 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4545
4546         PR tree-optimization/47056
4547         * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
4548         (mark_load): Likewise.  Handle FUNCTION_DECL specially.
4549         (mark_store): Likewise.  Pass STMT to ipa_record_reference.
4550
4551 2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>
4552
4553         * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
4554         initializer.  Skip view conversions from aggregate types.
4555
4556 2011-01-04  Kai Tietz  <kai.tietz@onevision.com>
4557
4558         PR bootstrap/47055
4559         * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.
4560
4561 2011-01-04  Philipp Thomas  <pth@suse.de>
4562
4563         * config/microblaze/microbalse.opt (mxl-float-convert): Fix
4564         obvious typo.
4565
4566 2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4567
4568         * function.c (thread_prologue_and_epilogue_insns): Do not crash
4569         on empty epilogue sequences.
4570
4571 2011-01-04  Joseph Myers  <joseph@codesourcery.com>
4572
4573         * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
4574         non-static): New Driver options.
4575
4576 2011-01-04  Jie Zhang  <jie@codesourcery.com>
4577
4578         PR driver/47137
4579         * gcc.c (default_compilers[]): Set combinable field to 0
4580         for all assembly languages.
4581
4582 2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>
4583
4584         * config/mips/loongson3a.md: New file.
4585         * config/mips/mips.md: Include loongson3a.md.
4586         * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
4587         TUNE_LOONGSON_3A.
4588
4589 2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>
4590
4591         PR middle-end/47017
4592         * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
4593         instead of convert_memory_address_addr_space on the base expression.
4594
4595 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4596
4597         * config/spu/spu.c (spu_option_override): Update error text
4598         for bad -march= / -mtune= values.
4599
4600 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4601
4602         * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
4603         if branch-hint optimization will be performed.
4604
4605 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4606
4607         PR tree-optimization/47148
4608         * ipa-split.c (split_function): Convert arguments to
4609         DECL_ARG_TYPE if possible.
4610
4611         PR tree-optimization/47155
4612         * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
4613         when computing uns.
4614
4615         PR rtl-optimization/47157
4616         * combine.c (try_combine): If undobuf.other_insn becomes
4617         (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
4618         and set *new_direct_jump_p too.
4619
4620 2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4621
4622         PR tree-optimization/47021
4623         * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.
4624
4625 2011-01-03  Jakub Jelinek  <jakub@redhat.com>
4626
4627         * gcc.c (process_command): Update copyright notice dates.
4628         * gcov.c (print_version): Likewise.
4629         * gcov-dump.c (print_version): Likewise.
4630         * mips-tfile.c (main): Likewise.
4631         * mips-tdump.c (main): Likewise.
4632
4633 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4634
4635         PR tree-optimization/46801
4636         * tree-sra.c (type_internals_preclude_sra_p): Check whether
4637         aggregate fields start at byte boundary instead of the bit-field flag.
4638
4639 2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>
4640
4641         PR driver/47137
4642         * gcc.c (main): Revert revision 168407.
4643
4644 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4645
4646         * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.
4647
4648 2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4649
4650         * tree-vect-generic.c (expand_vector_operations_1): When using vector/
4651         vector optab to expand vector/scalar shift, update gimple to vector.
4652
4653 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4654
4655         * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
4656         a thunk.
4657
4658 2011-01-03  Martin Jambor  <mjambor@suse.cz>
4659
4660         PR tree-optimization/46984
4661         * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
4662         HOST_WIDE_INT.
4663         (cgraph_create_indirect_edge): Fixed line length.
4664         (cgraph_indirect_call_info): Declare.
4665         (cgraph_make_edge_direct) Update declaration.
4666         * cgraph.c (cgraph_allocate_init_indirect_info): New function.
4667         (cgraph_create_indirect_edge): Use it.
4668         (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
4669         callees.
4670         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
4671         the new thunk_delta representation.
4672         * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
4673         HOST_WIDE_INT.
4674         (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
4675         (ipa_read_indirect_edge_info): Likewise.
4676         * lto-cgraph.c (output_edge_opt_summary): New function.
4677         (output_node_opt_summary): Call it on all outgoing edges.
4678         (input_edge_opt_summary): New function.
4679         (input_node_opt_summary): Call it on all outgoing edges.
4680
4681 2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>
4682
4683         PR driver/47137
4684         * gcc.c (main): Don't check have_o when settting combine_inputs.
4685
4686 2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4687
4688         * regrename.c: Add general comment describing the pass.
4689         (struct du_head): Remove 'length' field.
4690         (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
4691         (regrename_optimize): Do not sort chains.  Rework comments, add others.
4692         Force renaming to the preferred class (if any) in the first pass and do
4693         not consider registers that belong to it in the second pass.
4694         (create_new_chain): Do not set 'length' field.
4695         (scan_rtx_reg): Likewise.
4696
4697 2011-01-02  Jakub Jelinek  <jakub@redhat.com>
4698
4699         PR tree-optimization/47140
4700         * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
4701         TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
4702         to bit_value_binop.
4703
4704         PR rtl-optimization/47028
4705         * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
4706         parm_birth_insn instead of at the beginning of first bb.
4707
4708 2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>
4709
4710         * doc/generic.texi: Remove duplicated "@subsubsection Statements".
4711         Remove the word "see" before "@pxref".
4712         * doc/rtl.texi: Remove the word "see" before "@pxref".
4713
4714 2011-01-01  Jan Hubicka  <jh@suse.cz>
4715
4716         * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
4717         memory.
4718
4719 2011-01-01  Kai Tietz  <kai.tietz@onevision.com>
4720
4721         PR target/38662
4722         * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.
4723
4724 \f
4725 Copyright (C) 2011 Free Software Foundation, Inc.
4726
4727 Copying and distribution of this file, with or without modification,
4728 are permitted in any medium without royalty provided the copyright
4729 notice and this notice are preserved.