gcc/ChangeLog

   1 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
   2
   3         * common.opt (Wlarger-than=): New.
   4         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
   5         -Wlarger-than=.
   6         * opts.c (common_handle_option): Handle -Wlarger-than=.
   7         * optc-gen.awk: Likewise.
   8         * opth-gen.awk: Likewise.
   9         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
  10         * tree-optimize.c (tree_rest_of_compilation): Likewise.
  11
  12 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
  13
  14         * c-common.c (match_case_to_enum_1): Add appropriate
  15         OPT_W* parameter to warning.
  16         (c_do_switch_warnings): Likewise.
  17         * c-typeck.c (warning_init): Add one more parameter following
  18         'warning' function.
  19         (push_init_level): Update call to warning_init.
  20         (pop_init_level): Likewise.
  21         (add_pending_init): Likewise.
  22         (output_init_element: Likewise.
  23
  24 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  25
  26         PR 28322
  27         * toplev.c (toplev_main): If there are warnings or error, print
  28         errors for ignored options.
  29         * opts.c (ignored_options): New static variable.
  30         (postpone_unknown_option_error): New.
  31         (print_ignored_options): New.
  32         (handle_option): Postpone errors for unknown -Wno-* options.
  33         * opts.h (print_ignored_options): Declare.
  34
  35 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
  36
  37         * config/mips/mips.md (loadgp_blockage, blockage): Change type
  38         to "ghost".
  39
  40 2008-02-25  Richard Guenther  <rguenther@suse.de>
  41
  42         Revert:
  43         2008-02-25  Richard Guenther  <rguenther@suse.de>
  44
  45         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
  46         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
  47         (lookup_decl_from_uid): Declare.
  48         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
  49         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
  50         (decl_for_uid_map): New global hashtable mapping DECL_UID
  51         to the decl tree.
  52         (init_ttree): Allocate it.
  53         (insert_decl_to_uid_decl_map): New helper function.
  54         (make_node_stat): Insert new decls into the map.
  55         (copy_node_stat): Likewise.
  56         (lookup_decl_from_uid): New function.
  57         (print_decl_for_uid_map_statistics): New helper.
  58         (dump_tree_statistics): Call it.
  59
  60         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
  61         (referenced_var_iterator): Adjust.
  62         (FOR_EACH_REFERENCED_VAR): Adjust.
  63         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
  64         (num_referenced_vars): Adjust.
  65         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
  66         (first_referenced_var): Remove.
  67         (end_referenced_vars_p): Likewise.
  68         (next_referenced_var): Likewise.
  69         (referenced_var_iterator_set): New helper function.
  70         * tree-dfa.c (referenced_var_lookup): Adjust.
  71         (referenced_var_check_and_insert): Likewise.
  72         (remove_referenced_var): Likewise.
  73         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
  74         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
  75         (verify_call_clobbering): Likewise.
  76         (verify_memory_partitions): Likewise.
  77         (init_tree_ssa): Allocate bitmap instead of hashtable for
  78         referenced_vars.
  79         (delete_tree_ssa): Adjust.
  80         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
  81         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
  82         (compute_tag_properties): Likewise.
  83         (set_initial_properties): Likewise.
  84         (find_partition_for): Likewise.
  85         (update_reference_counts): Likewise.
  86         (dump_may_aliases_for): Likewise.
  87         * tree-ssa-operands.c (add_virtual_operand): Likewise.
  88         (add_call_clobber_ops): Likewise.
  89         (add_call_read_ops): Likewise.
  90         (get_asm_expr_operands): Likewise.
  91         * tree-into-ssa.c (dump_decl_set): Likewise.
  92         (update_ssa): Likewise.
  93         * tree-sra.c (scan_function): Likewise.
  94         (decide_instantiations): Likewise.
  95         (scalarize_parms): Likewise.
  96         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
  97         (dsa_named_for): Likewise.
  98         * tree-ssa-structalias.c (update_alias_info): Likewise.
  99         (merge_smts_into): Likewise.
 100
 101 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 102
 103         PR fortran/29549
 104         * doc/invoke.texi (-fcx-limited-range): Document new option.
 105         * toplev.c (process_options): Handle -fcx-fortran-rules.
 106         * common.opt: Add documentation for -fcx-fortran-rules.
 107
 108 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
 109
 110         PR c/35162
 111         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
 112         actual behaviour and C99.
 113
 114 2008-02-26  Ben Elliston  <bje@au.ibm.com>
 115
 116         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
 117         (ASM_CPU_POWER6_SPEC): Likewise.
 118         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
 119         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
 120         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
 121
 122 2008-02-25  Richard Guenther  <rguenther@suse.de>
 123
 124         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
 125         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
 126         (lookup_decl_from_uid): Declare.
 127         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
 128         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
 129         (decl_for_uid_map): New global hashtable mapping DECL_UID
 130         to the decl tree.
 131         (init_ttree): Allocate it.
 132         (insert_decl_to_uid_decl_map): New helper function.
 133         (make_node_stat): Insert new decls into the map.
 134         (copy_node_stat): Likewise.
 135         (lookup_decl_from_uid): New function.
 136         (print_decl_for_uid_map_statistics): New helper.
 137         (dump_tree_statistics): Call it.
 138
 139         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
 140         (referenced_var_iterator): Adjust.
 141         (FOR_EACH_REFERENCED_VAR): Adjust.
 142         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
 143         (num_referenced_vars): Adjust.
 144         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
 145         (first_referenced_var): Remove.
 146         (end_referenced_vars_p): Likewise.
 147         (next_referenced_var): Likewise.
 148         (referenced_var_iterator_set): New helper function.
 149         * tree-dfa.c (referenced_var_lookup): Adjust.
 150         (referenced_var_check_and_insert): Likewise.
 151         (remove_referenced_var): Likewise.
 152         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
 153         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 154         (verify_call_clobbering): Likewise.
 155         (verify_memory_partitions): Likewise.
 156         (init_tree_ssa): Allocate bitmap instead of hashtable for
 157         referenced_vars.
 158         (delete_tree_ssa): Adjust.
 159         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
 160         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
 161         (compute_tag_properties): Likewise.
 162         (set_initial_properties): Likewise.
 163         (find_partition_for): Likewise.
 164         (update_reference_counts): Likewise.
 165         (dump_may_aliases_for): Likewise.
 166         * tree-ssa-operands.c (add_virtual_operand): Likewise.
 167         (add_call_clobber_ops): Likewise.
 168         (add_call_read_ops): Likewise.
 169         (get_asm_expr_operands): Likewise.
 170         * tree-into-ssa.c (dump_decl_set): Likewise.
 171         (update_ssa): Likewise.
 172         * tree-sra.c (scan_function): Likewise.
 173         (decide_instantiations): Likewise.
 174         (scalarize_parms): Likewise.
 175         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
 176         (dsa_named_for): Likewise.
 177         * tree-ssa-structalias.c (update_alias_info): Likewise.
 178         (merge_smts_into): Likewise.
 179
 180 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
 181
 182         PR target/35258
 183         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
 184         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
 185         * alias.h (nonoverlapping_memrefs_p): Likewise.
 186
 187 2008-02-25  Jan Beulich  <jbeulich@novell.com>
 188
 189         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with
 190         $(T).
 191         * config/i386/netware-libgcc.exp: Add __bswap?i2,
 192         __emultls_get_address, __emultls_register_common,
 193         __floatundi?f, and _Unwind_GetIPInfo.
 194         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
 195         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
 196         (gen_regparm_prefix): Likewise.
 197         (i386_nlm_encode_section_info): Sync with
 198         config/i386/winnt.c:i386_pe_encode_section_info().
 199         (i386_nlm_maybe_mangle_decl_assembler_name): New.
 200         i386_nlm_mangle_decl_assembler_name): New.
 201         (netware_override_options): New.
 202         * config/i386/netware.h (netware_override_options): Declare.
 203         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
 204         (i386_nlm_mangle_decl_assembler_name): Declare.
 205         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
 206
 207 2008-02-25  Ben Elliston  <bje@au.ibm.com>
 208
 209         PR other/32948
 210         * c-decl.c (grokdeclarator): Remove unused local variables
 211         `typedef_type' and `type_as_written'.
 212         * bb-reorder.c
 213         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
 214         unused local variable `has_hot_blocks'.
 215         (fix_crossing_conditional_branches): Remove unused local variable
 216         `prev_bb'.
 217
 218 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
 219
 220         PR middle-end/19984
 221         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
 222         using DEF_C99_BUILTIN.
 223         (BUILT_IN_NANF): Ditto.
 224         (BUILT_IN_NANL): Ditto.
 225
 226 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
 227             Revital Eres  <eres@il.ibm.com>
 228
 229         * modulo-sched.c (calculate_must_precede_follow): Address TODO
 230         regarding the order of two dependent insns in the same row.
 231
 232 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
 233
 234         * stor-layout.c (layout_decl): Do not bump the alignment of a
 235         bit-field to more than byte alignment if it is packed.
 236
 237 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
 238
 239         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
 240         e300c2 and e300c3.
 241
 242 2008-02-24  Diego Novillo  <dnovillo@google.com>
 243
 244         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
 245
 246         PR 33738
 247         * tree-vrp.c (vrp_evaluate_conditional): With
 248         -Wtype-limits, emit a warning when comparing against a
 249         constant outside the natural range of OP0's type.
 250         * c.opt (Wtype-limits): Move ...
 251         * common.opt (Wtype-limits): ... here.
 252
 253 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
 254
 255         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
 256         * config/rs6000/e300c2c3.md: New file.
 257         * config/rs6000/rs6000.c (processor_costs): Add new costs for
 258         e300c2 and e300c3.
 259         (rs6000_override_options): Add e300c2 and e300c3 cases to
 260         processor_target_table. Do not allow usage of Altivec or Spe
 261         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
 262         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
 263         * config/rs6000/rs6000.h (processor_type): Add
 264         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
 265         (ASM_CPU_SPEC): Add e300c2 and e300c3.
 266         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
 267         and ppce300c3. Include e300c2c3.md.
 268
 269 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
 270
 271         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
 272         instead of TARGET_STRICT_ALIGN.
 273
 274 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
 275
 276         * explow.c (memory_address): Assert that the generated address is
 277         valid.
 278
 279 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
 280
 281         PR target/25477
 282         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
 283         * config/darwin-ppc-ldouble-patch.def: New file.
 284         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
 285         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
 286         SUBTARGET_INIT_BUILTINS if defined.
 287         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
 288         New functions.
 289
 290 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 291
 292         PR rtl-opt/33512
 293         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
 294         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
 295
 296 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 297
 298         PR pch/35027
 299         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
 300         file" warning condtional on -Winvalid-PCH.
 301
 302 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 303
 304         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
 305
 306 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
 307
 308         PR target/22076
 309         PR target/34256
 310         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
 311         prevent reload from using MMX registers.
 312         (*mov<mode>_internal): Ditto.
 313         (*movv2sf_internal_rex64): Ditto.
 314         (*movv2sf_internal): Ditto.
 315
 316 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 317
 318         PR documentation/31569
 319         * doc/install.texi2html: Use makeinfo --no-number-sections.
 320
 321 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 322
 323         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
 324         ensure that we can address an entire entity > 8 bytes.  Don't
 325         generate reg+reg addressing for such data.
 326
 327 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 328
 329         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
 330         strings when optimizing for size, unless the target cares about
 331         alignment.
 332
 333 2008-02-22  Tom Tromey  <tromey@redhat.com>
 334
 335         * regclass.c (current_pass): Remove declaration.
 336
 337 2008-02-22  Anatoly Sokolov <aesok@post.ru>
 338
 339         * config/avr/libgcc.S (__RAMPZ__): Define.
 340         (__do_copy_data): Add for devices with 128KB code memory.
 341
 342 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
 343
 344         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
 345         Use spe_abi.
 346         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
 347
 348 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
 349
 350         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
 351         GENNONACR_REGS.
 352
 353 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 354
 355         PR c/19999
 356         * c-typeck.c (build_binary_op): Warn about floating point
 357         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
 358
 359 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
 360
 361         PR target/34526
 362         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
 363         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
 364         add vrsave.
 365         (rs6000_override_options): Set altivec_abi as default, not override,
 366         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
 367         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
 368         is used; use new member spe_abi.
 369         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
 370         spe_abi and altivec_abi.
 371
 372 2008-02-22  Tomas Bily  <tbily@suse.cz>
 373
 374         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
 375
 376 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 377
 378         PR bootstrap/35273
 379         * config.build (build_file_translate): Set to `CMD //c' only if
 380         it works.
 381         * Makefile.in (build_file_translate): Improve comment.
 382
 383 2008-02-21  Jan Hubicka  <jh@suse.cz>
 384
 385         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
 386         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
 387         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
 388
 389 2008-02-21  Michael Matz  <matz@suse.de>
 390
 391         PR target/35264
 392         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
 393
 394 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
 395
 396         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
 397         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
 398         as insn constraint.
 399         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
 400         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
 401         SSE_VEC_FLOAT_MODE_P as insn constraint.
 402         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
 403         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
 404         sse4a_movntdf using MODEF mode iterator.
 405         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
 406         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
 407         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
 408         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
 409         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
 410         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
 411         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
 412
 413 2008-02-21  Richard Guenther  <rguenther@suse.de>
 414
 415         * tree.def (PAREN_EXPR): New tree code.
 416         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
 417         and PAREN_EXPR.
 418         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
 419         * expr.c (expand_expr_real_1): Likewise.
 420         * tree-inline.c (estimate_num_insns_1): Likewise.
 421         * tree-complex.c (expand_complex_move): Likewise.
 422         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
 423         as plain x.
 424
 425 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 426
 427         PR target/35225
 428         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
 429
 430 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 431
 432         PR target/35190
 433         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
 434
 435         * config/sh/sh.c (find_barrier): Don't go past
 436         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
 437
 438 2008-02-20  DJ Delorie  <dj@redhat.com>
 439
 440         * config/h8300/h8300.md (insv): Force source operand to be a register.
 441
 442         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
 443         as a jump, not as a plain insn.
 444
 445 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
 446
 447         * doc/invoke.texi (Warning Options): Add new option
 448         -Wframe-larger-than=.
 449         (-Wframe-larger-than): Document.
 450
 451         * flags.h (warn_frame_larger_than, frame_larger_than_size):
 452         Add declarations for new option variables.
 453
 454         * final.c (final_start_function): Check the frame size
 455         before emission and issue a Wframe-larger-than warning.
 456
 457         * opts.c (warn_frame_larger_than, frame_larger_than_size):
 458         Add definitions for new option variables.
 459         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
 460
 461         * common.opt (Wframe-larger-than=): New option.
 462
 463 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 464
 465         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
 466         (<sse>_div<mode>3): Ditto.
 467         (<sse>_vmdiv<mode>3): Ditto.
 468         (<sse>_vmsqrt<mode>2): Ditto.
 469         (*smax<mode>3): Ditto.
 470         (sse5_frcz<mode>2): Ditto.
 471         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
 472         as insn constraint.
 473
 474 2008-02-20  Richard Guenther  <rguenther@suse.de>
 475
 476         PR middle-end/35265
 477         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
 478         be happy with INTEGRAL_TYPE_P.
 479
 480 2008-02-20  Richard Guenther  <rguenther@suse.de>
 481
 482         * fold-const.c (split_tree): Associate floatig-point expressions
 483         if flag_associative_math is set.
 484
 485 2008-02-20  Richard Guenther  <rguenther@suse.de>
 486
 487         * tree.h (fold_real_zero_addition_p): Declare.
 488         * fold-const.c (fold_real_zero_addition_p): Export.
 489         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
 490         floating-point operations with zero and one.
 491
 492 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
 493
 494         * doc/install.texi: Correct references to CFLAGS, replacing them
 495         with BOOT_CFLAGS.  Document flags used during bootstrap for
 496         target libraries.
 497
 498 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 499
 500         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
 501         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
 502         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
 503         insn constraint.
 504         (smin<mode>3): Ditto from similar patterns.
 505         (smax<mode>3): Ditto.
 506         (*ieee_smin<mode>3): Ditto.
 507         (*ieee_smax<mode>3): Ditto.
 508         * config/i386/sse.md (sse): New mode attribute.
 509         (mov<mode>): Macroize expander from movv4sf and movv2df using
 510         SSEMODEF2P mode iterator.
 511         (<sse>_movnt<mode>): Ditto from similar patterns. Use
 512         SSE_VEC_FLOAT_MODE_P as insn constraint.
 513         (storent<mode>): Ditto.
 514         (storent<mode>): Macroize expander from storentsf and storentdf using
 515         MODEF mode iterator.
 516         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
 517         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
 518         (abs<mode>2): Ditto from similar patterns.
 519         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
 520         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
 521         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
 522         (<sse>_vmsqrt<mode>2): Ditto.
 523         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
 524         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
 525         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
 526         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
 527         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
 528         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
 529         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
 530         insn constraint.
 531         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
 532         iterator and SSE_FLOAT_MODE_P as insn constraint.
 533         (<sse>_ucomi): Ditto from similar patterns.
 534         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
 535         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
 536         SSE_VEC_FLOAT_MODE_P as insn constraint.
 537         (vcond<mode>): Ditto from similar patterns.
 538         (and<mode>3, *and<mode>3): Ditto.
 539         (<sse>_nand<mode>3): Ditto.
 540         (ior<mode>3, *ior<mode>3): Ditto.
 541         (xor<mode>3, *xor<mode>3): Ditto.
 542         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
 543         iterator and SSE_FLOAT_MODE_P as insn constraint.
 544         (*nand<mode>3): Ditto from similar patterns.
 545         (*ior<mode>3): Ditto.
 546         (*xor<mode>3): Ditto.
 547
 548 2008-02-20  Ira Rosen  <irar@il.ibm.com>
 549
 550         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
 551         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
 552         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
 553
 554 2008-02-19  Jan Hubicka  <jh@suse.cz>
 555
 556         * predict.c (tree_bb_level_predictions): Remove variable next
 557         mistakely introduced by previous commit.
 558
 559 2008-02-19  Jan Hubicka  <jh@suse.cz>
 560
 561         * predict.c (predict_paths_leading_to): Rewrite.
 562         (predict_paths_for_bb): New.
 563         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
 564
 565 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 566
 567         PR bootstrap/35218
 568         * Makefile.in (build_file_translate): New.
 569         (gcc-vers.texi): Use it for translating $(abs_srcdir).
 570         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
 571         * configure.ac (build_file_translate): Substitute it.
 572         * configure: Regenerate.
 573
 574 2008-02-19  Jan Hubicka  <jh@suse.cz>
 575
 576         PR rtl-optimization/34408
 577         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
 578         invalid sharing.
 579
 580 2008-02-19  Jan Hubicka  <jh@suse.cz>
 581
 582         PR middle-end/28779
 583         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
 584         call_expr.
 585
 586 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
 587
 588         PR Ada/35186
 589         * config/i386/i386-modes.def: Revert the last DI alignment
 590         change until Ada people can look into it.
 591
 592 2008-02-19  Nick Clifton  <nickc@redhat.com>
 593
 594         * opts.c (print_specific_help): Fix typo in --help text.
 595
 596 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
 597
 598         PR target/35239
 599         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
 600         32-bit inline asm without asm alternatives for host GCC < 3.0.
 601
 602 2008-02-19  Richard Guenther  <rguenther@suse.de>
 603
 604         PR tree-optimization/34989
 605         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
 606         Allow propagation to INDIRECT_REF if we can simplify only.
 607
 608 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 609
 610         * c-common.c (warn_for_collisions_1): Use appropriate option when
 611         warning.
 612
 613 2008-02-19  Nick Clifton  <nickc@redhat.com>
 614
 615         PR other/31349
 616         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
 617         (handle_options): Fix indentation.
 618         (print_filtered_help): If no language-specific options were
 619         displayed tell the user how to list all the options supported by
 620         the language's front-end.
 621         (print_specific_help): Fix indentation and remove duplicate line.
 622         (common_handle_option): Handle the -v option.
 623         For --help enable the display of undocumented options if the -v
 624         switch has been included on the command line.
 625         For --help= check for overlaps in the arguments between the option
 626         classes and the language names and issue a warning when they
 627         cannot be disambiguated.
 628         * c.opt (v): Pass on to the common option handler.
 629
 630 2008-02-19  Revital Eres  <eres@il.ibm.com>
 631
 632         * modulo-sched.c (sms_schedule): Change dump message when
 633         create_ddg function fails.
 634         (try_scheduling_node_in_cycle): Rename row to cycle.
 635         (print_partial_schedule): Rename CYCLE to ROW.
 636
 637 2008-02-19  Christian Bruel  <christian.bruel@st.com>
 638             Zdenek Dvorak  <ook@ucw.cz>
 639
 640         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
 641
 642 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 643
 644         PR target/33555
 645         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
 646         (*x86_movdicc_0_m1_se): Ditto.
 647
 648 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 649
 650         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
 651         (CMPtype): Define as __gcc_CMPtype.
 652         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
 653         (CMPtype): Define as __gcc_CMPtype.
 654
 655 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
 656
 657         Support valgrind 3.3 for --enable-checking=valgrind.
 658         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
 659         here.
 660         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
 661         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
 662         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
 663         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
 664         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
 665         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
 666         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
 667         respectively.
 668         * ggc-zone.c: Similar.
 669         * ggc-page.c: Similar.
 670
 671 2008-02-19  Paul Brook  <paul@codesourcery.com>
 672
 673         PR target/35071
 674         * config/arm/ieee754-df.S: Fix do_it typo.
 675         * config/arm/ieee754-sf.S: Fix do_it typo.
 676
 677 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 678
 679         PR target/35189
 680         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
 681         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
 682         (OPTION_MASK_ISA_SSE_SET): Likewise.
 683         (OPTION_MASK_ISA_SSE2_SET): Likewise.
 684         (OPTION_MASK_ISA_SSE3_SET): Likewise.
 685         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
 686         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
 687         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
 688         (OPTION_MASK_ISA_SSE4_SET): Likewise.
 689         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
 690         (OPTION_MASK_ISA_SSE5_SET): Likewise.
 691         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
 692         (OPTION_MASK_ISA_MMX_UNSET): Updated.
 693         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
 694         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
 695         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
 696         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
 697         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
 698         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
 699         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
 700         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
 701         (OPTION_MASK_ISA_SSE4): Removed.
 702         (ix86_handle_option): Turn on bits in ix86_isa_flags and
 703         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
 704         -mXXX.
 705         (override_options): Don't turn on implied SSE/MMX bits in
 706         ix86_isa_flags.
 707
 708 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 709
 710         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 711         32bit host.
 712
 713 2008-02-18  Joey Ye  <joey.ye@intel.com>
 714
 715         PR middle-end/34921
 716         * tree-nested.c (insert_field_into_struct): Set type alignment
 717         to field alignment if the former is less than the latter.
 718
 719 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
 720
 721         * BASE-VER: Set to 4.4.0.
 722
 723 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 724
 725         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
 726         * doc/cfg.texi: Likewise.
 727         * doc/extend.texi: Likewise.
 728         * doc/gty.texi: Likewise.
 729         * doc/invoke.texi: Likewise.
 730         * doc/loop.texi: Likewise.
 731         * doc/md.texi: Likewise.
 732         * doc/passes.texi: Likewise.
 733         * doc/rtl.texi: Likewise.
 734         * doc/sourcebuild.texi: Likewise.
 735         * doc/tm.texi: Likewise.
 736         * doc/tree-ssa.texi: Likewise.
 737
 738 2008-02-17  Richard Guenther  <rguenther@suse.de>
 739
 740         PR middle-end/35227
 741         * tree-complex.c (init_parameter_lattice_values): Handle parameters
 742         without default definition.
 743
 744 2008-02-17  Richard Guenther  <rguenther@suse.de>
 745
 746         PR tree-optimization/35231
 747         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
 748         if A | B != 1.
 749
 750 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
 751
 752         Revert:
 753
 754         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 755         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 756         libgcc_cmp_return mode.
 757
 758 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 759
 760         PR c/28368
 761         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
 762
 763 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
 764
 765         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
 766         multilibs.
 767
 768 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 769
 770         * doc/c-tree.texi: Use `@.' where appropriate.
 771         * doc/extend.texi: Likewise.
 772         * doc/install.texi: Likewise.
 773         * doc/invoke.texi: Likewise.
 774         * doc/loop.texi: Likewise.
 775         * doc/makefile.texi: Likewise.
 776         * doc/md.texi: Likewise.
 777         * doc/passes.texi: Likewise.
 778         * doc/standards.texi: Likewise.
 779         * doc/tm.texi: Likewise.
 780
 781 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 782
 783         PR middle-end/35196
 784         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
 785         in entry_bb.
 786         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
 787         rather than in entry_bb.
 788
 789 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 790
 791         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 792         libgcc_cmp_return mode.
 793
 794 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 795
 796         PR middle-end/35130
 797         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
 798         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
 799
 800 2008-02-15  Richard Guenther  <rguenther@suse.de>
 801             Zdenek Dvorak  <ook@ucw.cz>
 802
 803         PR tree-optimization/35164
 804         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
 805         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
 806         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
 807         Only propagate addresses which do not have abnormal SSA_NAMEs
 808         in their operands.
 809
 810 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
 811
 812         PR target/35088
 813         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
 814
 815 2008-02-15  Jan Hubicka  <jh@suse.cz>
 816
 817         PR middle-end/35149
 818         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
 819
 820 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 821
 822         PR middle-end/34621
 823         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
 824         when calculating alignment_pad.
 825
 826 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 827
 828         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
 829         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
 830         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
 831         and STACK_BOUNDARY define.
 832
 833 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
 834
 835         PR preprocessor/35061
 836         * c-pragma.c (handle_pragma_pop_macro): Check that
 837         pushed_macro_table has been allocated.
 838
 839 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 840
 841         PR middle-end/35136
 842         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
 843         (force_gimple_operand): Likewise.
 844         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
 845         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
 846         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
 847         (find_interesting_uses_address): Check addressability and alignment
 848         of the base expression only after substituting bases of IVs into it.
 849
 850 2008-02-14  Michael Matz  <matz@suse.de>
 851
 852         PR target/34930
 853         * function.c (instantiate_virtual_regs_in_insn): Reload address
 854         before falling back to reloading the whole operand.
 855
 856 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 857
 858         * config/s390/s390.c (s390_mainpool_start): Emit the pool
 859         before the first section switch note.
 860
 861 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 862
 863         * doc/bugreport.texi: Update copyright years.
 864         * doc/c-tree.texi: Likewise.
 865         * doc/cfg.texi: Likewise.
 866         * doc/cpp.texi: Likewise.
 867         * doc/cppinternals.texi: Likewise.
 868         * doc/fragments.texi: Likewise.
 869         * doc/frontends.texi: Likewise.
 870         * doc/gcc.texi: Likewise.
 871         * doc/gty.texi: Likewise.
 872         * doc/hostconfig.texi: Likewise.
 873         * doc/implement-c.texi: Likewise.
 874         * doc/libgcc.texi: Likewise.
 875         * doc/loop.texi: Likewise.
 876         * doc/makefile.texi: Likewise.
 877         * doc/options.texi: Likewise.
 878         * doc/passes.texi: Likewise.
 879         * doc/rtl.texi: Likewise.
 880         * doc/sourcebuild.texi: Likewise.
 881         * doc/standards.texi: Likewise.
 882         * doc/tree-ssa.texi: Likewise.
 883         * doc/trouble.texi: Likewise.
 884
 885         * doc/extend.texi: Use @: or add comma where appropriate.
 886         * doc/invoke.texi: Likewise.
 887         * doc/tm.texi: Likewise.
 888
 889 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
 890
 891         PR target/34393
 892         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
 893         to a reg.
 894
 895 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
 896
 897         * doc/md.texi (clz, ctz): Add reference.
 898         * doc/rtl.texi (clz, ctz): Likewise.
 899
 900 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 901
 902         PR other/35148
 903         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
 904         srcdir.
 905
 906 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
 907
 908         * config/s390/s390.c (struct constant_pool): New field
 909         emit_pool_after added.
 910         (s390_mainpool_start): Set the emit_pool_after flag according
 911         to the section switch notes.
 912         (s390_mainpool_finish): Consider emit_pool_after when emitting
 913         the literal pool at the end of the function.
 914         (s390_chunkify_start): Force literal pool splits at section
 915         switch notes.
 916
 917 2008-02-13  Michael Matz  <matz@suse.de>
 918
 919         PR debug/35065
 920         * var-tracking.c (clobber_variable_part): Correctly traverse the
 921         list.
 922
 923 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 924
 925         PR 29673
 926         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
 927         Add -fdump-ipa-inline.
 928         * tree-dump.c (dump_files): Remove tree-inlined dump.
 929         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
 930
 931 2008-02-12  Richard Guenther  <rguenther@suse.de>
 932
 933         PR tree-optimization/35171
 934         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
 935         default defs.
 936
 937 2008-02-12  Richard Guenther  <rguenther@suse.de>
 938
 939         PR middle-end/35163
 940         * fold-const.c (fold_widened_comparison): Use get_unwidened in
 941         value-preserving mode.  Disallow final truncation.
 942
 943 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
 944
 945         PR middle-end/35136
 946         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
 947         code from here to...
 948         (force_gimple_operand): ...here.
 949
 950 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
 951
 952         PR c++/35144
 953         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
 954         non-compatible pointers.
 955         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
 956         different FIELD_DECLs, try harder by comparing field offsets, sizes
 957         and types.
 958
 959         PR inline-asm/35160
 960         * function.c (match_asm_constraints_1): Don't replace the same input
 961         multiple times.
 962
 963 2008-02-12  Anatoly Sokolov <aesok@post.ru>
 964
 965         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
 966         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
 967         (expand_epilogue): Restore RAMPZ register.
 968         * config/avr/avr.md (RAMPZ_ADDR): New constant.
 969
 970 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
 971
 972         * config/i386/cygwin.asm: (__alloca): Correct calling
 973         convention and alignment.
 974         (__chkstk): Force 8 byte stack alignment.
 975
 976 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
 977             Richard Guenther  <rguenther@suse.de>
 978
 979         PR tree-optimization/33992
 980         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
 981         the zero we compare against.
 982
 983 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
 984
 985         PR libfortran/35063
 986         * gthr-win32.h (__gthread_mutex_destroy_function): New function
 987         to CloseHandle after unlocking to prevent accumulation of handle
 988         count.
 989
 990 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 991
 992         PR middle_end/34150
 993         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
 994         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
 995         and update LABEL_NUSES during and after reload.
 996
 997 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
 998
 999         PR middle-end/34627
1000         * combine.c (simplify_if_then_else): Make sure the comparison is
1001         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
1002
1003 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1004
1005         PR bootstrap/35051
1006         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
1007         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
1008         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
1009         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
1010         * tree.h (get_type_static_bounds): Likewise.
1011
1012 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1013
1014         * doc/invoke.texi (Option Summary, C++ Dialect Options)
1015         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1016         Make -Wfoo language annotations match what the compiler outputs.
1017
1018 2008-02-08  Sa Liu  <saliu@de.ibm.com>
1019
1020         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
1021         intrinsics spu_convts, spu_convtu, spu_convtf.
1022         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
1023
1024 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
1025
1026         * doc/extend.texi (Function Attributes) <noinline>: Mention
1027         asm ("") as method to keep calls.
1028
1029 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1030
1031         PR other/32754
1032         * doc/options.texi (Options): Replace references to opts.sh with
1033         optc-gen.awk.
1034         * opts-common.c: Likewise.
1035         * optc-gen.awk: Likewise.
1036
1037 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
1038
1039         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
1040
1041 2008-02-07  Richard Henderson  <rth@redhat.com>
1042
1043         PR rtl-opt/33410
1044         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
1045         EXPR_LIST for the REG_EQUAL instead of a comparison with a
1046         funny mode.
1047
1048 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         PR tree-optimization/35085
1051         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
1052         for operand entry oe2 in addition to operand entry oe3 in order to
1053         expose more opportunities for vectorizer sum reduction.
1054
1055 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1056
1057         PR other/35107
1058         * Makefile.in (LIBS): Remove $(GMPLIBS).
1059         (cc1-dummy, cc1): Add $(GMPLIBS).
1060
1061 2008-02-06  Jan Hubicka  <jh@suse.cz>
1062
1063         PR target/23322
1064         * i386.md (moddf_integer): Do not produce partial memory stalls for
1065         targets where it hurts.
1066
1067 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
1068
1069         PR target/35083
1070         * optabs.c (expand_float): Do not check for decimal modes when
1071         expanding unsigned integer through signed conversion.
1072
1073 2008-02-06  Nick Clifton  <nickc@redhat.com>
1074
1075         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
1076         inside the clobber with a match_operand and duplicated operand
1077         number in the constraint.
1078         (ineqbranchsi): Delete redundant comment.
1079
1080 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1081
1082         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
1083         builtin_define ("__USE_INIT_FINI__").
1084         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
1085         -msx multilibs.
1086         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
1087
1088 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1089
1090         PR documentation/30330
1091         * doc/invoke.texi (C++ Dialect Options)
1092         (Objective-C and Objective-C++ Dialect Options, Warning Options):
1093         For each warning option -Wfoo that allows -Wno-foo, ensure both
1094         -Wfoo and -Wno-foo are listed in the option index.  Fix index
1095         entry of -Wswitch-default, index -Wnormalized= including the
1096         `=', and -Wlarger-than-@var{len} including @var{len}.
1097
1098 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1099
1100         * config/i386/i386.md (floatunssisf2): Use
1101         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
1102         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
1103         Macroize expander using MODEF mode iterator.
1104
1105 2008-02-05  Diego Novillo  <dnovillo@google.com>
1106
1107         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
1108
1109         PR 33738
1110         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
1111
1112 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1113
1114         PR other/35070
1115         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
1116
1117 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
1118
1119         PR target/35084
1120         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
1121         to indicate if a message should be generated.
1122         (init_cumulative_args): Updated.
1123         (function_value_32): Likewise.
1124
1125 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
1126
1127         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
1128
1129 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
1130
1131         PR target/35083
1132         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
1133         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
1134
1135 2008-02-04  Diego Novillo  <dnovillo@google.com>
1136
1137         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
1138
1139         PR 33738
1140         * tree-vrp.c (vrp_evaluate_conditional): With
1141         -Wtype-limits, emit a warning when comparing against a
1142         constant outside the natural range of OP0's type.
1143
1144 2008-02-04  Richard Guenther  <rguenther@suse.de>
1145
1146         PR middle-end/33631
1147         * expr.c (count_type_elements): Give for unions instead of
1148         guessing.
1149
1150 2008-02-04  Richard Guenther  <rguenther@suse.de>
1151
1152         PR middle-end/35043
1153         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
1154         to TYPE_DOMAINs base type instead of using bitsizetype here.
1155
1156 2008-02-03  Jason Merrill  <jason@redhat.com>
1157
1158         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
1159
1160 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1161
1162         PR other/29972
1163         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
1164         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
1165         (RS/6000 and PowerPC Options): Fix typos and markup.
1166         * doc/passes.texi (Tree-SSA passes): Likewise.
1167
1168 2008-02-02  Michael Matz  <matz@suse.de>
1169
1170         PR target/35045
1171         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
1172         from record_last_reg_set_info.
1173         (record_last_reg_set_info): Take an RTX argument, iterate over all
1174         constituent hardregs.
1175         (record_last_set_info, record_opr_changes): Change calls to
1176         new signature or to record_last_reg_set_info_regno.
1177
1178 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
1179
1180         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
1181
1182 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
1183
1184         PR rtl-optimization/34773
1185         * reg-notes.def (EQUAL): Mention significance of combination of
1186         REG_EQUAL and REG_RETVAL.
1187         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
1188         insn that has a REG_RETVAL.
1189
1190 2008-02-01  Roger Sayle  <roger@eyesopen.com>
1191
1192         PR bootstrap/33781
1193         * configure.ac (--enable-fixed-point): Disable unless explicitly
1194         requested on IRIX.
1195         * configure: Regenerate.
1196
1197 2008-02-01  Richard Guenther  <rguenther@suse.de>
1198
1199         PR other/35042
1200         * invoke.texi (-finline-limit): Remove no longer true parts
1201         of the documentation.  Note that there is no default value.
1202
1203 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
1204             Mark Mitchell  <mark@codesourcery.com>
1205             Ben Elliston  <bje@au.ibm.com>
1206
1207         PR c/29326
1208         * doc/extend.texi (Other Builtins): Document.
1209
1210 2008-01-31  Tom Browder <tom.browder@gmail.com>
1211
1212         * doc/c-tree.texi (Types): Fix grammar.
1213         (Expression trees): Ditto.
1214         * doc/passes.texi (Tree-SSA passes): Ditto.
1215
1216         * doc/configterms.texi (Configure Terms): Fix typo.
1217         * doc/cpp.texi (Common Predefined Macros): Ditto.
1218         * doc/md.texi (Machine Constraints): Ditto.
1219
1220         * doc/makefile.texi (Makefile): Add comma.
1221
1222 2008-01-31  Tom Browder  <tom.browder@gmail.com>
1223             Gerald Pfeifer  <gerald@pfeifer.com>
1224
1225         * doc/sourcebuild.texi (Front End): Remove references to CVS
1226         and CVSROOT/modules.
1227         (Texinfo Manuals): Replace reference to CVS by one to SVN.
1228         (Back End): Remove reference to CVS.
1229
1230 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1231
1232         PR target/34900
1233         * config/mips/mips.c (gen_load_const_gp): New function, taking a
1234         comment from...
1235         (mips16_gp_pseudo_reg): ...here.
1236         * config/mips/mips.md (load_const_gp): Replace with...
1237         (load_const_gp_<mode>): ...this :P-based insn.
1238
1239 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1240
1241         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
1242         options. Minor fixes.
1243         (-std): Move reference to standards closer to where language
1244         standards are first mentioned.
1245
1246 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
1247
1248         PR rtl-optimization/34995
1249         * reload.c (alternative_allows_const_pool_ref): Take an rtx
1250         parameter and return a bool.  If the rtx parameter is nonnull,
1251         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
1252         (find_reloads): Update call accordingly.  Pass the new operand
1253         if it needed no address reloads, otherwise pass null.
1254
1255 2008-01-30  Richard Henderson  <rth@redhat.com>
1256
1257         PR c/34993
1258         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
1259         for unbounded arrays.
1260
1261 2008-01-30  Silvius Rus  <rus@google.com>
1262
1263         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
1264
1265 2008-01-30  Jan Hubicka  <jh@suse.cz>
1266
1267         PR target/34982
1268         * i386.c (init_cumulative_args): Use real function declaration when
1269         calling locally.
1270
1271 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1272
1273         PR rtl-optimization/34998
1274         * global.c (build_insn_chain): Treat non-subreg_lowpart
1275         SUBREGs of pseudos as clobbering all the words covered by the
1276         SUBREG, not just all the bytes.
1277         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
1278         original df_ref rather than an extract parameter.
1279         (global_conflicts): Update call accordingly.
1280
1281 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
1282
1283         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
1284         the overflow check to make it easier to read.
1285         (__fixtfdi): Change the type of the ll member in union
1286         long_double to UDItype_x.
1287
1288 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
1289
1290         PR middle-end/34969
1291         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
1292         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
1293         * tree-inline.c (fold_marked_statements): Call
1294         cgraph_update_edges_for_call_stmt if folding a call statement.
1295         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
1296         debug_generic_stmt calls, reset it back afterwards.
1297
1298         PR c/35017
1299         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
1300         static decls.
1301         * c-typeck.c (build_external_ref): Don't pedwarn about
1302         static vars in current function's scope.
1303
1304 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
1305
1306         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
1307
1308 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
1309
1310         PR c/35002
1311         * ipa-struct-reorg.c: Fix spelling.
1312         * params.def: Ditto.
1313
1314 2008-01-29  Richard Guenther  <rguenther@suse.de>
1315
1316         PR middle-end/35006
1317         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
1318         field.
1319         * tree-inline.c (remap_type): Increment remapping_type_depth
1320         around remapping types.
1321         (copy_body_r): Only add referenced variables if they are referenced
1322         from code, not types.
1323
1324 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
1325
1326         PR c++/34055
1327         PR c++/34103
1328         PR c++/34219
1329         PR c++/34606
1330         PR c++/34753
1331         PR c++/34754
1332         PR c++/34755
1333         PR c++/34919
1334         PR c++/34961
1335         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
1336         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
1337
1338 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
1339
1340         PR target/34412
1341         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
1342         pointer for tiny stack.
1343
1344 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1345
1346         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
1347
1348 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
1349
1350         * config/vx-common.h: Fix typo in comment.
1351
1352 2008-01-28  Ian Lance Taylor  <iant@google.com>
1353
1354         PR c++/34862
1355         PR c++/33407
1356         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1357         coalesce pointers if they have different DECL_NO_TBAA_P values.
1358         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1359         between variables with different DECL_NO_TBAA_P values.
1360
1361 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1362
1363         PR 31535
1364         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1365         are not legitimate small data references on SPE targets.
1366
1367 2008-01-28  David Daney  <ddaney@avtrex.com>
1368
1369         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1370
1371 2008-01-28  David Daney  <ddaney@avtrex.com>
1372
1373         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1374
1375 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1376
1377         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1378         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1379         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1380         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1381         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1382         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1383         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1384         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1385
1386 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1387
1388         * basic-block.h (condjump_equiv_p): Fix comment.
1389
1390 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1391
1392         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1393         print_generic_stmt_indented): Fix comment.
1394
1395 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1396
1397         * configure.ac (__stack_chk_fail): Add detecion for availability
1398         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1399         * configure: Regenerate.
1400
1401 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1402
1403         PR middle-end/34688
1404         * final.c (output_addr_const): Handle TRUNCATE.
1405
1406 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1407
1408         PR target/34711
1409         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1410         (zero_cost, infinite_cost): New constants.
1411         (struct cost_pair): Change type of cost to comp_cost.
1412         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1413         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1414         New functions.
1415         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1416         split_address_cost, ptr_difference_cost, difference_cost,
1417         get_computation_cost_at, get_computation_cost,
1418         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1419         determine_use_iv_cost_condition, determine_use_iv_costs,
1420         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1421         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1422         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1423         Change type of cost to comp_cost.
1424         (determine_iv_cost): Increase cost of non-original ivs, instead
1425         of decreasing the cost of original ones.
1426         (get_address_cost): Indicate the complexity of the addressing mode
1427         in comp_cost.
1428         (try_add_cand_for): Prefer using ivs not specific to some object.
1429         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1430
1431 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1432             Janis Johnson  <janis187@us.ibm.com>
1433
1434         PR target/34814
1435         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1436         (TARGET_INSTANTIATE_DECLS): Likewise.
1437         * target.h (expand_to_rtl_hook): New target hook.
1438         (instantiate_decls): Likewise.
1439         * function.c (instantiate_decl): Make non-static.  Rename to...
1440         (instantiate_decl_rtl): ... this.
1441         (instantiate_expr): Use instantiate_decl_rtl.
1442         (instantiate_decls_1): Likewise.
1443         (instantiate_decls): Likewise.
1444         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1445         * function.h (instantiate_decl_rtl): Add prototype.
1446         * cfgexpand.c (target.h): New include.
1447         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1448         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1449         (TARGET_INSTANTIATE_DECLS): Likewise.
1450         (TARGET_INITIALIZER): New target hooks added.
1451         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1452         New prototype.
1453         * config/rs6000/rs6000.c (tree-flow.h): New include.
1454         (machine_function): Add sdmode_stack_slot field.
1455         (rs6000_alloc_sdmode_stack_slot): New function.
1456         (rs6000_instantiate_decls): Likewise.
1457         (rs6000_secondary_memory_needed_rtx): Likewise.
1458         (rs6000_check_sdmode): Likewise.
1459         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1460         (TARGET_INSTANTIATE_DECLS): Likewise.
1461         (rs6000_hard_regno_mode_ok): Allow SDmode.
1462         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1463         (rs6000_emit_move): Handle SDmode.
1464         (function_arg_advance): Likewise.
1465         (function_arg): Likewise.
1466         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1467         SDmode var args for 32-bit compiles.
1468         (rs6000_secondary_reload_class): Handle SDmode.
1469         (rs6000_output_function_epilogue): Likewise.
1470         (rs6000_function_value): Simplify if statement.
1471         (rs6000_libcall_value): Likewise.
1472         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1473         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1474         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1475         (movsd_hardfloat): New define_insn.
1476         (movsd_softfloat): Likewise.
1477         (movsd_store): Likewise.
1478         (movsd_load): Likewise.
1479         (extendsddd2): Likewise.
1480         (extendsdtd2): Likewise.
1481         (truncddsd2): Likewise.
1482         (movdd_hardfloat64): Fixup comment.
1483         (UNSPEC_MOVSD_LOAD): New constant.
1484         (UNSPEC_MOVSD_STORE): Likewise.
1485
1486 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1487
1488         PR c++/34965
1489         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1490         TRUTH_XOR_EXPR.
1491         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1492         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1493         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1494         and TRUTH_XOR_EXPR.
1495
1496 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
1497
1498         PR target/34794
1499         * config.gcc: Separate AIX 5.3 from AIX 6.1.
1500         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1501         __LONGDOUBLE128 too.
1502         * config/rs6000/aix61.h: New file.
1503
1504 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1505
1506         PR rtl-optimization/34959
1507         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1508         popcount and parity rtxes the same mode as their operand.
1509         Truncate or extend the result to the return value's mode
1510         if necessary.
1511
1512 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1513
1514         PR target/34981
1515         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1516         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1517         to GOT_VERSION_REGNUM.
1518         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1519         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1520         * config/mips/mips.c (mips_emit_call_insn): New function.
1521         (mips_call_tls_get_addr): Call mips_expand_call directly.
1522         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1523         emit_call_insn.
1524         (mips16_build_call_stub): Likewise.  Return the call insn or null.
1525         (mips_expand_call): Update the call to mips16_build_call_stub
1526         accordingly and a remove redundant condition.  Assert that MIPS16
1527         stubs do not use lazy binding.  Use mips_emit_call_insn and return
1528         the call insn.
1529         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1530         TARGET_USE_GOT.
1531         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1532         (mips_avoid_hazard): Remove hazard_set handling.
1533         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1534         (UNSPEC_RESTORE_GP): ...this.
1535         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1536         (FAKE_CALL_REGNO): Rename to...
1537         (GOT_VERSION_REGNUM): ...this.
1538         (type): Add "ghost" value.  Add an associated insn reservation.
1539         (hazard_set): Remove.
1540         (exception_receiver): Rename to...
1541         (restore_gp): ...this and update the unspec identifier accordingly.
1542         (exception_receiver, nonlocal_got_receiver): New expanders.
1543         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
1544         FAKE_CALL_REGNO.  Remove hazard_set attribute.
1545         (set_got_version, update_got_version): New patterns.
1546
1547 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
1548
1549         PR target/34970
1550         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1551
1552 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1553
1554         PR other/31955
1555         * doc/install.texi2html: Generate gcc-vers.texi.
1556
1557 2008-01-25  DJ Delorie  <dj@redhat.com>
1558
1559         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1560
1561 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1562
1563         * config/c4x: Remove directory.
1564         * config.gcc (crx-*, mt-*): Mark obsolete.
1565         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1566         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1567         sh-*-rtemscoff*): Remove cases.
1568         * defaults.h (C4X_FLOAT_FORMAT): Remove.
1569         * real.c (encode_c4x_single, decode_c4x_single,
1570         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1571         c4x_extended_format): Remove.
1572         * real.h (c4x_single_format, c4x_extended_format): Remove.
1573         * doc/extend.texi (interrupt, naked): Remove mention of attributes
1574         on C4x.
1575         (Pragmas): Remove comment about c4x pragmas.
1576         * doc/install.texi (c4x): Remove target-specific instructions.
1577         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1578         * doc/md.texi (Machine Constraints): Remove C4x documentation.
1579         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1580         refer to C4x source files as examples.
1581         (C4X_FLOAT_FORMAT): Remove documentation.
1582
1583 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
1584
1585         * config/bfin/bfin.c (override_options): Reorder tests so that
1586         flag_pic gets enabled for -msep-data.
1587
1588 2008-01-25  Richard Guenther  <rguenther@suse.de>
1589
1590         PR middle-end/32244
1591         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1592         to its bitfield precision if required.
1593
1594 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1595
1596         PR middle-end/33880
1597         * tree-nested.c (walk_omp_for): New function.
1598         (convert_nonlocal_reference, convert_local_reference): Call
1599         walk_omp_for on OMP_FOR.
1600         (convert_call_expr): Call walk_body on OMP_FOR's
1601         OMP_FOR_PRE_INIT_BODY.
1602
1603 2008-01-25  Richard Guenther  <rguenther@suse.de>
1604
1605         PR tree-optimization/34966
1606         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1607         default defs and PHI_NODEs we have to insert after the
1608         defining statement.
1609
1610 2008-01-24  Nick Clifton  <nickc@redhat.com>
1611
1612         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1613         Provide a default definition.
1614         (LIBGCC2_UNITS_PER_WORD): Likewise.
1615
1616         * config/stormy16/stormy16.c: Include df.h for the prototype
1617         for df_regs_ever_live_p.
1618         (xstormy16_expand_builtin_va_start): Convert the stack offset
1619         into a component_ref and then use POINTER_PLUS_EXPR to add it
1620         to the incoming_virtual_args_rtx.
1621         (xstormy16_gimplify_va_arg_expr): Rename to
1622         xstormy16_gimplify_va_arg_expr.
1623         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1624         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1625         xstormy16_gimplify_va_arg_expr.
1626         Fix up some formatting issues.
1627
1628         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1629         Move to predicates.md.
1630         (xs_hi_general_operand): Likewise.
1631         (xs_hi_nonmemory_operand): Likewise.
1632         * config/stormy16/predicates.md:
1633         (xstormy16_carry_plus_operand): New predicate.
1634         (xs_hi_general_operand): New predicate.
1635         (xs_hi_nonmemory_operand): New predicate.
1636         * config/stormy16/stormy16-protos.h:
1637         (xstormy16_carry_plus_operand): Delete prototype.
1638         (xs_hi_general_operand): Likewise.
1639         (xs_hi_nonmemory_operand): Likewise.
1640
1641         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1642         modifiers as they are no longer needed and they can trigger
1643         reload spill failures.
1644
1645         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1646         with a match_operand in order to help reload.
1647
1648         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1649         constraint with 'e' for the 8th alternative as this version of
1650         the mov.w instruction only accepts the lower 8 registers.
1651
1652 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
1653
1654         PR target/34856
1655         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1656         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1657         vector elements.
1658
1659 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1660
1661         PR middle-end/33333
1662         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1663
1664 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1665
1666         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1667         New functions.
1668         (remove_structure): Update allocations list before removing structure.
1669
1670 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1671
1672         * ipa-struct-reorg.c (is_safe_cond_expr,
1673         create_new_stmts_for_cond_expr): Use integer_zerop function,
1674         that recognize not only zero-pointer, but zero-integer too.
1675
1676 2008-01-25  Ben Elliston  <bje@au.ibm.com>
1677
1678         PR other/22232
1679         * fixproto: Escape "." in sed expression that strips leading "./".
1680
1681 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1682
1683         PR driver/34904
1684         * gcc.c (SWITCH_OK): Removed.
1685         (SWITCH_LIVE): Changed to bit.
1686         (SWITCH_FALSE): Likewise.
1687         (SWITCH_IGNORE): Likewise.
1688         (switchstr): Change live_cond to unsigned int.
1689         (process_command): Replace SWITCH_OK with 0.
1690         (do_self_spec): Likewise.
1691         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1692         (give_switch): Likewise.
1693         (used_arg): Likewise.
1694         (do_spec_1): Set the SWITCH_IGNORE bit.
1695         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1696         bits.  Set the SWITCH_LIVE bit.
1697
1698 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1699
1700         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1701
1702 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
1703
1704         PR tree-optimization/34472
1705         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1706         parameter to a "bool *" and set *DATA to false if there is
1707         an unsafe access.  Do not delete the structure here.
1708         (check_cond_exprs): Delete it here instead.
1709         (check_cond_exprs, exclude_cold_structs): Do not increase
1710         I when removing a structure.
1711
1712 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
1713
1714         PR target/34856
1715         * config/i386/i386.c (ix86_expand_vector_init): Consider only
1716         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1717
1718 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
1719
1720         PR middle-end/34934
1721         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1722         a fixed vector for stack.
1723
1724 2008-01-24  Ben Elliston  <bje@au.ibm.com>
1725
1726         PR c++/25701
1727         * doc/gcc.texi (Software development): Add a direntry for g++.
1728
1729 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
1730
1731         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1732         stale and straggling -fforce-addr comments above.
1733
1734         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1735         define.
1736         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1737         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1738
1739 2008-01-23  Michael Matz  <matz@suse.de>
1740
1741         PR debug/34895
1742         * dwarf2out.c (force_type_die): Use modified_type_die instead of
1743         gen_type_die.
1744
1745 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1746
1747         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1748         malloc result type.
1749
1750 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1751
1752         * config/avr/avr.c (avr_current_arch): New variable.
1753         (avr_arch_types): Add 'avr31' and 'avr51' entries.
1754         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1755         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1756         (avr_override_options): Init 'avr_current_arch'.
1757         (base_arch_s): Move from here...
1758         * config/avr/avr.h (base_arch_s): ... here. Add new members
1759         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1760         'mega' to 'have_jmp_call'.
1761         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1762         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
1763         macros.
1764         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1765         architectures.
1766         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1767         MULTILIB_MATCHES): (Ditto.).
1768
1769 2008-01-23  Richard Guenther  <rguenther@suse.de>
1770
1771         PR middle-end/31529
1772         * cgraphunit.c (cgraph_reset_node): Always mark the node
1773         not reachable if it is not queued already.
1774
1775 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1776
1777         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1778         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1779         (cputype_selected): New static variable.
1780         (bfin_handle_option): Set it if -mcpu is used.
1781         (override_option): Select default set of workarounds if no cpu type
1782         selected on the command line.
1783         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1784
1785         From  Michael Frysinger  <michael.frysinger@analog.com>
1786         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1787         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1788
1789         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1790         for bf547, bf523, bf524, and bf526.
1791         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
1792         bf526.
1793         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1794         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1795         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1796         __ADSPBF547__ and __ADSPBF54x__ for bf547.
1797         * doc/invoke.texi (Blackfin Options): Document that
1798         -mcpu now accept bf547, bf523, bf524, and bf526.
1799
1800 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1801
1802         PR rtl-optimization/34628
1803         * combine.c (try_combine): Stop and undo after the first combination
1804         if an autoincrement side-effect on the first insn has effectively
1805         been lost.
1806
1807 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
1808
1809         PR target/34529
1810         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1811         Offset addresses are not valid for Altivec or paired float modes.
1812
1813 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR c++/34607
1816         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1817         if DECL_INITIAL (decl) is error_mark_node.
1818
1819         PR c++/34914
1820         * c-common.c (handle_vector_size_attribute): Only allow
1821         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
1822         the same way as pointer, array etc. types.
1823         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1824
1825         PR c++/34917
1826         * tree.c (build_type_attribute_qual_variant): Call
1827         build_qualified_type if attributes are equal, but quals are not.
1828
1829 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1830
1831         PR 32102
1832         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1833         * flags.h (warn_strict_aliasing): Remove.
1834         (warn_strict_overflow): Remove.
1835         * opts.c (warn_strict_aliasing): Remove.
1836         (warn_strict_overflow): Remove.
1837         * c-opts.c (c_common_handle_option): -Wall only sets
1838         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1839         (c_common_post_options): Give default values to -Wstrict-aliasing
1840         and -Wstrict-overflow if they are uninitialized.
1841         * common.opt (Wstrict-aliasing): Specify Var and Init.
1842         (Wstrict-overflow): Likewise.
1843
1844 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1845
1846         PR rtl-optimization/26854
1847         PR rtl-optimization/34400
1848         PR rtl-optimization/34884
1849         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1850         DF_RD->gen.
1851         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1852         (df_rd_bb_info.expanded_lr_out): Deleted
1853         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1854         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
1855         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1856         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1857         Removed code to allocate, initialize or free expanded_lr_out.
1858         (df_rd_bb_local_compute_process_def): Restructured to make more
1859         understandable.
1860         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1861         sets if the sets are being trimmed.
1862
1863 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1864
1865         PR bootstrap/32287
1866         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1867         (as_vers): Likewise.
1868         * configure: Regenerated.
1869
1870 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1871
1872         PR middle-end/33092
1873         * tree-pass.h (pass_build_alias): New pass.
1874         * tree-ssa-alias.c (gate_build_alias): New.
1875         (pass_build_alias): New.
1876         * passes.c (init_optimization_passes): Add pass_build_alias after
1877         pass_create_structure_vars.
1878
1879 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
1880
1881         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1882         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1883         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1884         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1885         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1886         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1887         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1888         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1889         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1890         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1891         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1892         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1893         * config/s390/s390.md (FP_ALL): New mode iterator.
1894         (_d): New mode attribute.
1895         ("*signbit<mode>2>"): Changed mode of first operand.
1896         ("isinf<mode>2"): Changed mode of first operand.
1897         ("*TDC_insn"): Adaptation for DFP modes.
1898
1899 2008-01-22  Ben Elliston  <bje@au.ibm.com>
1900
1901         * tree.c (check_qualified_type): Improve function description.
1902
1903 2008-01-21  Jason Merrill  <jason@redhat.com>
1904
1905         PR c++/34196
1906         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1907         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1908         if it is set.
1909
1910 2008-01-21  DJ Delorie  <dj@redhat.com>
1911
1912         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1913         return zero.
1914
1915 2008-01-21  Richard Guenther  <rguenther@suse.de>
1916
1917         PR middle-end/34856
1918         * tree-cfg.c (verify_expr): Allow all invariant expressions
1919         instead of just constant class ones as reference argument.
1920         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1921         like any other constant.
1922         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1923
1924 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         * regmove.c (fixup_match_1): Update call crossed frequencies.
1927
1928 2008-01-21  Richard Guenther  <rguenther@suse.de>
1929
1930         PR c/34885
1931         * tree-inline.c (setup_one_parameter): Deal with mismatched
1932         types using a VIEW_CONVERT_EXPR.
1933
1934 2008-01-21  Alon Dayan  <alond@il.ibm.com>
1935             Olga Golovanevsky  <olga@il.ibm.com>
1936
1937         PR tree-optimization/34701
1938         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1939         when the structure size is not a power of 2.
1940
1941 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
1942
1943         * doc/install.texi: Add doc for --enable-checking=df.
1944
1945 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1946
1947         PR rtl-optimization/34808
1948         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1949
1950 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1951
1952         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1953         input.
1954
1955 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1956
1957         PR rtl-optimization/26854
1958         PR rtl-optimization/34400
1959         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1960         DF_RD->gen.
1961         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1962         (df_rd_bb_info.expanded_lr_out): New.
1963         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1964         * loop_iv.c (iv_analysis_loop_init): Ditto.
1965         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1966         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1967         Added code to allocate, initialize or free expanded_lr_out.
1968         (df_rd_bb_local_compute_process_def): Restructured to make
1969         more understandable.
1970         (df_rd_confluence_n): Add code to do nothing with fake edges and
1971         code to no apply invalidate_by_call sets if the sets are being trimmed.
1972         (df_lr_local_finalize): Renamed to df_lr_finalize.
1973         (df_live_local_finalize): Renamed to df_live_finalize.
1974
1975 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1976
1977         PR target/34831
1978         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1979         deciding whether to use reciprocal instructions.
1980
1981 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
1982
1983         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1984         dwarf2out_note_section_used if cold_text_section is NULL.
1985
1986 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
1987
1988         PR gcov-profile/34610
1989         * tree-cfg.c (make_edges): Mark both outgoing edges from
1990         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1991         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1992         from OMP_FOR and OMP_CONTINUE outgoing edges.
1993
1994         * tree-profile.c (tree_profiling): Return early if
1995         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
1996         at the end.
1997         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1998         from cfun to child_cfun.
1999         * function.h (struct function): Add after_tree_profile bit.
2000
2001 2008-01-19 Anatoly Sokolov <aesok@post.ru>
2002
2003         * config/avr/avr.S (_exit): Disable interrupt.
2004
2005 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
2006             Steven Bosscher  <stevenb.gcc@gmail.com>
2007
2008         PR rtl-optimization/26854
2009         PR rtl-optimization/34400
2010         * df-problems.c (df_live_scratch): New scratch bitmap.
2011         (df_live_alloc): Allocate df_live_scratch when doing df_live.
2012         (df_live_reset): Clear the proper bitmaps.
2013         (df_live_bb_local_compute): Only process the artificial defs once
2014         since the order is not important.
2015         (df_live_init): Init the df_live sets only with the variables
2016         found live by df_lr.
2017         (df_live_transfer_function): Use the df_lr sets to prune the
2018         df_live sets as they are being computed.
2019         (df_live_free): Free df_live_scratch.
2020
2021 2008-01-18  Ian Lance Taylor  <iant@google.com>
2022
2023         * common.opt: Add fmerge-debug-strings.
2024         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
2025         flag_merge_debug_strings rather than flag_merge_constants.
2026         * doc/invoke.texi (Option Summary): Mention
2027         -fmerge-debug-strings.
2028         (Debugging Options): Document -fmerge-debug-strings.
2029
2030 2008-01-18  Ian Lance Taylor  <iant@google.com>
2031
2032         PR c++/33407
2033         * tree.h (DECL_IS_OPERATOR_NEW): Define.
2034         (struct tree_function_decl): Add new field operator_new_flag.
2035         * tree-inline.c (expand_call_inline): When inlining a call to
2036         operator new, force the return value to go into a variable, and
2037         set DECL_NO_TBAA_P on that variable.
2038         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
2039
2040 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
2041
2042         PR debug/34484
2043         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
2044         DWARF2_DEBUGGING_INFO.
2045         (dwarf2out_note_section_used): Ditto.  Add prototype.
2046         (have_multiple_function_sections, text_section_used,
2047         cold_text_section_used, *cold_text_sections): Move declarations
2048         before their uses.
2049
2050 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
2051
2052         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
2053         field and add signal_ra.
2054         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
2055         assignments to frame state pc.  Move end of stack check after
2056         MD_FALLBACK_FRAME_STATE_FOR.
2057         (uw_update_context_1): Use frame state signal_regs if set, instead
2058         of checking signal_frame flag.
2059         (uw_update_context): Use frame state signal_ra if set.
2060         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
2061         * config/xtensa/linux-unwind.h: New file.
2062
2063 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
2064
2065         * modulo-sched.c (get_sched_window): Fix comment typo.
2066
2067 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
2068
2069         PR tree-optimization/34648
2070         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
2071
2072 2008-01-17  Anatoly Sokolov <aesok@post.ru>
2073
2074         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
2075         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
2076
2077 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
2078
2079         PR rtl-optimization/34400
2080         * df-core.c (df_worklist_dataflow_overeager,
2081         df_worklist_dataflow_doublequeue): New functions.
2082         (df_worklist_dataflow): Two different worklist solvers.
2083         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
2084         New param.
2085
2086 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2087
2088         PR testsuite/34821
2089         * doc/invoke.texi: Document the dependence on pthread for fopenmp
2090         and ftree-parallelize-loops.
2091
2092 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
2093
2094         PR rtl-optimization/34826
2095         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
2096
2097 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2098
2099         * global.c (find_reg): Mark the eh regs as used if necessary.
2100         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
2101         * ra.h (struct allocno): no_eh_reg field added.  Changed
2102         no_stack_reg type to bitfield.
2103
2104 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
2105
2106         * tree.c (substitute_in_expr): Add missing 'break'.
2107
2108 2008-01-17  Richard Guenther  <rguenther@suse.de>
2109
2110         PR tree-optimization/34825
2111         * tree-ssa-math-opts.c (is_division_by): Do not recognize
2112         x / x as division to handle.
2113
2114 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2115
2116         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
2117         "-pthread" is specified.
2118         * pa-hpux11.h (LIB_SPEC): Likewise.
2119
2120 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
2121             Peter Bergner  <bergner@vnet.ibm.com>
2122
2123         PR rtl-optimization/33796
2124         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
2125
2126 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2127
2128         PR libgfortran/34699
2129         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
2130         static links.
2131         * pa-hpux10.h (LINK_SPEC): Likewise.
2132         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
2133
2134 2008-01-16  Richard Guenther  <rguenther@suse.de>
2135
2136         PR middle-end/32628
2137         * fold-const.c (fold_convert_const_int_from_int): Do not
2138         set overflow if that occured only because of a sign extension
2139         change when converting from/to a sizetype with the same
2140         precision and signedness.
2141
2142 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2143
2144         PR debug/34249
2145         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
2146         location address to the correct place.  Update copyright year.
2147
2148 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2149
2150         * lambda-code.c (lambda_transform_legal_p): Handle the case of
2151         no dependences in the dependence_relations vector.
2152
2153 2008-01-16  Jan Hubicka  <jh@suse.cz>
2154
2155         PR rtl-optimization/31396
2156         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
2157         * cfg.c (dump_reg_info): Print it.
2158         * regs.h (struct reg_info_t): add freq_calls_crossed.
2159         (REG_FREQ_CALLS_CROSSED): New macro.
2160         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
2161         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
2162         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
2163         regmove_optimize): Update call crossed frequencies.
2164         * local-alloc.c (struct qty): Add freq_calls_crossed.
2165         (alloc_qty): Copute freq_calls_crossed.
2166         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
2167         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
2168         * ra.h (struct allocno): Add freq_calls_crossed.
2169
2170 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2171
2172         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
2173         libgomp when compiling with ftree-parallelize-loops.
2174         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
2175
2176 2008-01-16  Richard Guenther  <rguenther@suse.de>
2177
2178         PR tree-optimization/34769
2179         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
2180         * tree.c (int_cst_value): Instead make this function more
2181         permissive in what it accepts as valid input.  Document this
2182         function always sign-extends the value.
2183
2184 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
2185             Richard Guenther  <rguenther@suse.de>
2186
2187         PR c/34668
2188         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
2189         (gimple_fold_indirect_ref_rhs): ... this.
2190         (gimple_fold_indirect_ref): New function with foldings
2191         that preserve lvalueness.
2192         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
2193         * tree-flow.h (gimple_fold_indirect_ref): Declare.
2194         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
2195         to fold an INDIRECT_REF, fall back to the old use of
2196         fold_indirect_ref_1.
2197
2198 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * tree-data-ref.c (subscript_dependence_tester_1): Call
2201         free_conflict_function.
2202         (compute_self_dependence): Same.
2203
2204 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
2205
2206         PR debug/34249
2207         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
2208         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
2209         function global.
2210         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
2211         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
2212         for DWARF2_UNWIND_INFO targets.
2213
2214 2008-01-16  Richard Guenther  <rguenther@suse.de>
2215
2216         PR c/34768
2217         * c-typeck.c (common_pointer_type): Do not merge inconsistent
2218         type qualifiers for function types.
2219
2220 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
2221
2222         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
2223         loop_iterator li from previous commit.
2224
2225 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2226
2227         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
2228
2229 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2230
2231         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
2232         (parallelize_loops): Don't parallelize irreducible components.
2233
2234 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2235
2236         PR c++/24924
2237         * c-opts (c_common_post_options): Do not enable CPP
2238         flag_pedantic_errors by default.
2239
2240 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
2241
2242         PR rtl-optimization/31944
2243         * cse.c (remove_pseudo_from_table): New function.
2244         (merge_equiv_classes): Use above function to remove pseudo-registers.
2245         (invalidate): Likewise.
2246
2247 2008-01-13  Richard Guenther  <rguenther@suse.de>
2248
2249         PR middle-end/34601
2250         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
2251         instead of TYPE_MODE to deal with calls from expand_one_error_var.
2252
2253 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
2254
2255         * gcse.c (cprop_jump): Call validate_unshare_change instead of
2256         validate_change to unshare the source of the PC set.
2257
2258 2008-01-12  Jan Hubicka  <jh@suse.cz>
2259
2260         PR middle-end/32135
2261         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
2262         references above array bounds.  This might trigger bounds checks for
2263         pointers to arrays.
2264
2265 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
2266
2267         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
2268         new_replaceable_dependencies.
2269
2270 2008-01-12  Doug Kwan  <dougkwan@google.com>
2271
2272         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
2273         instead of OPT_Wreturn_type in warning due to ignored return type
2274         qualifiers.
2275         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
2276         options included in -Wextra.
2277         * c.opt: New option -Wignored_qualifiers.
2278         * doc/invoke.texi (Warning Options, -Wextra): Add new option
2279         -Wignore_qualifiers.
2280         (-Wignored-qualifiers): Document.
2281         (-Wreturn-type): Remove description of functionality now handled
2282         by -Wignored-qualifiers.
2283
2284 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
2285
2286         PR ada/33788
2287         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
2288         NOP_EXPR if it is between integral types with the same precision.
2289
2290 2008-01-12  Jan Hubicka  <jh@suse.cz>
2291
2292         PR other/28023
2293         * invoke.texi (max-inline-recursive-depth): Fix default value.
2294
2295 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
2296
2297         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
2298         correct type.
2299
2300 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
2301
2302         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
2303
2304 2008-01-11  James E. Wilson  <wilson@specifix.com>
2305
2306         PR target/26015
2307         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
2308
2309 2008-01-11  Anatoly Sokolov <aesok@post.ru>
2310
2311         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
2312         save/restore frame pointer register and don't use 'call-prologues'
2313         optimization in function with "OS_task" attribute.
2314
2315 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
2316
2317         PR middle-end/31309
2318         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
2319         when copying to memory.
2320
2321 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
2322
2323         PR rtl-optimization/30905
2324         * cfgcleanup.c: Include dce.h
2325         (crossjumps_occured): New global variable.
2326         (try_crossjump_bb): Exit loop after finding a fallthru edge.
2327         If something changed, set crossjumps_occured to true.
2328         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
2329         Don't add/remove fake edges to exit here...
2330         (cleanup_cfg): ...but do it here, when crossjumping.
2331         Run a fast DCE when successful crossjumps occured in the latest
2332         iteration of try_optimize_cfg.
2333
2334 2008-01-11  Richard Guenther  <rguenther@suse.de>
2335
2336         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
2337         (struct vn_unary_op_s): Likewise.
2338         (vn_reference_insert): Free old reference on hash collision.
2339
2340 2008-01-10  Raksit Ashok  <raksit@google.com>
2341
2342         PR rtl-optimization/27971
2343         * combine.c (find_split_point): Split PLUS expressions which are
2344         inside a MEM rtx, and whose first operand is complex.
2345
2346 2008-01-10  DJ Delorie  <dj@redhat.com>
2347
2348         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
2349         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
2350         (m32c_hard_regno_ok): Call the underlying function.
2351
2352 2008-01-10  Richard Guenther  <rguenther@suse.de>
2353
2354         PR middle-end/34683
2355         * tree-cfg.c (tree_merge_blocks): Do not go through the
2356         full-blown folding and stmt updating path if we just deal
2357         with virtual operands.
2358         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2359         test for abnormal SSA_NAMEs.
2360
2361 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2362
2363         PR middle-end/34641
2364         * reload.c (push_reload): Add assertions.  All constants from
2365         reg_equiv_constant should have been used for replacing the respective
2366         pseudo earlier.
2367         (find_reloads_address): Invoke find_reloads_address_part for
2368         constant taken from the reg_equiv_constant array.
2369
2370 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2371
2372         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2373         field (valnum) the first in the struct.  Replace bools with
2374         unit bit fields.
2375
2376 2008-01-10  Richard Guenther  <rguenther@suse.de>
2377
2378         PR tree-optimization/34651
2379         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2380         types and ordering for masking and converting.
2381
2382 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2383
2384         PR tree-optimization/34017
2385         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2386         also for PHI_NODE expressions.
2387
2388 2008-01-09  Jan Hubicka  <jh@suse.cz>
2389
2390         PR tree-optimization/34708
2391         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2392         based on number of case labels.
2393         (init_inline_once): Remove switch_cost.
2394         * tree-inline.h (eni_weights_d): Remove switch_cost.
2395
2396 2008-01-09  Richard Guenther  <rguenther@suse.de>
2397         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2398
2399         PR middle-end/30132
2400         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2401         temporary if an rvalue is ok or an lvalue is not required.
2402
2403 2008-01-09  Richard Guenther  <rguenther@suse.de>
2404
2405         PR middle-end/34458
2406         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2407         adjust return type.
2408
2409 2008-01-09  Richard Guenther  <rguenther@suse.de>
2410
2411         PR middle-end/34679
2412         * tree.c (host_integerp): Check for sizetype only if the
2413         type is an integer type.
2414
2415 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2416
2417         PR debug/26364
2418         * opts.c (decode_options): Disable inlining of functions called
2419         once if not in unit-at-a-time mode.
2420
2421 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2422
2423         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2424
2425 2008-01-08  Richard Guenther  <rguenther@suse.de>
2426
2427         PR middle-end/31863
2428         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2429         out early if the result will be unused.
2430
2431 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2432
2433         PR target/34709
2434         Revert:
2435
2436         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2437         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2438         for TARGET_RECIP.
2439
2440 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2441
2442         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2443         for vectorization tuned.
2444
2445 2008-01-08  Richard Guenther  <rguenther@suse.de>
2446
2447         PR tree-optimization/34683
2448         * tree-ssa-operands.c (operand_build_cmp): Export.
2449         * tree-ssa-operands.h (operand_build_cmp): Declare.
2450         * tree-vn.c (vuses_compare): Remove.
2451         (sort_vuses): Use operand_build_cmp.
2452         (sort_vuses_heap): Likewise.
2453         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2454         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2455         (vdefs_to_vec): Do not sort already sorted VDEFs.
2456
2457 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR middle-end/34694
2460         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2461
2462 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2463
2464         PR target/34702
2465         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2466         limitations of reciprocal sequences on x86 targets.
2467
2468 2008-01-08  Richard Guenther  <rguenther@suse.de>
2469
2470         PR tree-optimization/34683
2471         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2472
2473 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2474
2475         PR target/34622
2476         * config/darwin.c (darwin_mergeable_string_section): Don't use
2477         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2478
2479 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2480
2481         PR target/34682
2482         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2483         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2484         predicates of op0 and op1 to register_operand.
2485         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2486         expander using X87MODEF mode iterator.  Change predicates of
2487         op0 and op1 to register_operand.
2488         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2489         corresponding patterns and macroize using MODEF macro.  Change
2490         predicates of op0 and op1 to register_operand and remove
2491         "m" constraint. Disparage "r" alternative with "!".
2492         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2493         macroize using X87MODEF macro.  Change predicates of op0 and op1
2494         to register_operand and remove "m" constraint.  Disparage "r"
2495         alternative with "!".
2496         (absneg splitter with memory operands): Remove.
2497         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2498         patterns and macroize using X87MODEF mode iterator.
2499         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2500         Change predicate of op1 to register_operand.
2501         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2502         for memory operands.
2503
2504 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2505
2506         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2507
2508 2008-01-07  Richard Guenther  <rguenther@suse.de>
2509
2510         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2511         fields.
2512
2513 2008-01-07  Richard Guenther  <rguenther@suse.de>
2514
2515         PR tree-optimization/34683
2516         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2517         VOPs of the needed size to save memory.  Use VEC_quick_push
2518         to save compile-time.
2519         (vdefs_to_vec): Likewise.
2520
2521 2008-01-07  Sa Liu  <saliu@de.ibm.com>
2522
2523         * config/spu/spu.md (divdf3): Genetate inline code for double
2524         division.  The implementation doesn't handle INF or NAN, therefore it
2525         only applies when -ffinite-math-only is given.
2526
2527 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
2528
2529         PR libstdc++/34680
2530         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2531         * doc/cpp.texi ([Common Predefined Macros]): Document.
2532
2533 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
2534
2535         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2536         order to use commutative addition instead of subtraction.
2537
2538 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2539             Mircea Namolaru  <namolaru@il.ibm.com>
2540             Vladimir Yanovsky  <yanov@il.ibm.com>
2541             Revital Eres  <eres@il.ibm.com>
2542
2543         PR tree-optimization/34263
2544         * tree-outof-ssa.c (process_single_block_loop_latch,
2545         contains_tree_r): New functions.
2546         (analyze_edges_for_bb): Call process_single_block_loop_latch
2547         function to empty single-basic-block latch block if possible.
2548
2549 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2550
2551         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2552         for TARGET_RECIP.
2553         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2554
2555 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2556
2557         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2558
2559 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2560
2561         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2562
2563 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
2564
2565         PR tree-optimization/34618
2566         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2567         flag from T.
2568
2569 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2570
2571         PR target/34673
2572         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2573         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
2574         Update copyright year.
2575
2576         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2577         Update copyright year.
2578         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2579         using NR fixup.
2580
2581 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
2582
2583         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2584         edge does not point to current bb before changing need_assert.
2585
2586 2008-01-04  Richard Guenther  <rguenther@suse.de>
2587
2588         PR middle-end/34029
2589         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2590         for verifying purposes if they are is_gimple_min_invariant.
2591
2592 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
2593
2594         PR tree-optimization/34448
2595         PR tree-optimization/34465
2596         * gimplify.c (gimplify_init_constructor): Add new parameter
2597         notify_temp_creation.  Use it.
2598         (gimplify_modify_expr_rhs): Take volatiles into account when
2599         optimizing constructors.
2600         Do not optimize constructors if gimplify_init_constructor will dump to
2601         memory.
2602         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2603         * gcc.c-torture/compile/pr34448.c: New.
2604
2605 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR gcov-profile/34609
2608         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2609         return_slot if result is TREE_ADDRESSABLE.
2610
2611 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
2612
2613         * config/mips/mips.md (sqrt_condition): Tweak comment.
2614         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
2615
2616 2008-01-03  Tom Tromey  <tromey@redhat.com>
2617
2618         PR c/34457
2619         * c-common.c (c_type_hash): Handle VLAs.
2620
2621 2008-01-03  Jan Hubicka  <jh@suse.cz>
2622
2623         PR tree-optimization/31081
2624         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2625         0 when inlining and not inlining to first basic block.
2626         (remap_decl): When var is initialized to 0, don't set default_def.
2627         (expand_call_inline): Set entry_bb.
2628         * tree-inline.h (copy_body_data): Add entry_bb.
2629
2630 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR c++/34619
2633         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2634         before returning.
2635
2636         PR tree-optimization/29484
2637         * tree-inline.c (inline_forbidden_p_2): New function.
2638         (inline_forbidden_p): Disallow inlining if some static var
2639         has an address of a local LABEL_DECL in its initializer.
2640         * doc/extend.texi (Labels as Values): Document &&foo behaviour
2641         vs. inlining.
2642
2643 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2644
2645         PR tree-optimization/34635
2646         * tree-data-ref.c (add_other_self_distances): Make sure that the
2647         evolution step is constant.
2648
2649 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR middle-end/34608
2652         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2653
2654 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
2655
2656         * tree-sra.c (scalarize_init): Insert the generate_element_init
2657         statements after the generate_element_zero statements.
2658
2659 2008-01-02  Richard Guenther  <rguenther@suse.de>
2660
2661         PR middle-end/34093
2662         PR middle-end/31976
2663         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2664         for very large number of operands instead of ICEing.
2665
2666 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
2667
2668         PR target/34013
2669         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2670         while stack probing.
2671
2672 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
2673
2674         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2675         in C++0x mode.
2676
2677 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
2678
2679         PR libmudflap/26442
2680         * tree-mudflap.c (mx_register_decls): Guard warning by
2681         !DECL_ARTIFICIAL check.
2682
2683 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
2684
2685         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2686         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2687         sse5_perm<mode>): Fix constraints.