gcc/ChangeLog

   1 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
   2
   3         * gcc.c (default_compilers): Sync Fortran extensions list with
   4         that in fortran/lang-specs.h.
   5         * doc/invoke.texi: Likewise.
   6         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
   7         * dwarf2out.c (gen_compile_unit_die): Likewise.
   8
   9 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
  10
  11         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
  12
  13 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
  14
  15         PR target/12329
  16         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
  17         attribute is used for nested functions.
  18
  19 2008-04-05  Jan Hubicka  <jh@suse.cz>
  20
  21         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
  22
  23         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
  24         letter argument.
  25         (dump_files): Update.
  26         (enable_rtl_dump_file): Do not accept letter argument.
  27         * tree-pass.h (dump_file_info): Remove letter argument.
  28         * toplev.c (decode_d_option): Update -da handling.
  29         * toplev.h (enable_rtl_dump_file): Update prototype.
  30         * passes.c (register_one_dump_file): Do not accept IPA argument; work
  31         it out based on pass type.
  32         (register_dump_files_1): Likewise.
  33         (init_optimization_passes): Update register_one_dump_file calls.
  34         (execute_one_pass): Sanity check that IPA passes are called at IPA
  35         level and RTL passes at RTL level.
  36         (execute_pass_list): IPA pass can not be after or subpass of
  37         GIMPLE/RTL pass.
  38         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
  39         disallov RTL subpasses of IPA subpasses.
  40
  41 2008-04-05  Ben Elliston  <bje@au.ibm.com>
  42
  43         * tree-cfg.c (need_fake_edge_p): Return false for calls to
  44         builtins that return exactly once and do not throw. Cache call to
  45         call_expr_flags.
  46
  47 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
  48
  49         PR rtl-optimization/34916
  50         PR middle-end/35519
  51         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
  52         between instruction pairs.
  53
  54 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
  55
  56         * doc/invoke.texi: Document -mbitops for SH.
  57         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
  58         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
  59         * config/sh/sh.c (print_operand): Add %t operand code.
  60         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
  61         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
  62         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
  63         (extendqihi2): Likewise.
  64         (movqi_i): Likewise.
  65         (insv): Use bset, bclr and bst instructions for SH2A if possible.
  66         (extv): Use bld instruction for SH2A if possible.
  67         (extzv): Likewise.
  68         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
  69         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
  70         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
  71         (bset.b, bclr.b): Define peepholes.
  72         * config/sh/sh.opt (mbitops): New option.
  73
  74 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
  75
  76         PR target/35620
  77         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
  78         and view convert expression.
  79
  80 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
  81
  82         PR target/35364
  83         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
  84
  85 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
  86
  87         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
  88
  89         * config/i386/cpuid.h (bit_AES): New.
  90         (bit_PCLMUL): Likewise.
  91
  92         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
  93         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
  94         SSE2 if AES or PCLMUL is enabled.
  95         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
  96         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
  97         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
  98         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
  99         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
 100         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
 101         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
 102         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
 103         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
 104         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
 105         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
 106         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
 107         __builtin_ia32_aeskeygenassist128 and
 108         __builtin_ia32_pclmulqdq128.
 109         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
 110         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
 111         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
 112
 113         * config/i386/i386.h (TARGET_AES): New.
 114         (TARGET_PCLMUL): Likewise.
 115         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
 116
 117         * config/i386/i386.md (UNSPEC_AESENC): New.
 118         (UNSPEC_AESENCLAST): Likewise.
 119         (UNSPEC_AESDEC): Likewise.
 120         (UNSPEC_AESDECLAST): Likewise.
 121         (UNSPEC_AESIMC): Likewise.
 122         (UNSPEC_AESKEYGENASSIST): Likewise.
 123         (UNSPEC_PCLMUL): Likewise.
 124
 125         * config/i386/i386.opt (maes): New.
 126         (mpclmul): Likewise.
 127
 128         * config/i386/sse.md (aesenc): New pattern.
 129         (aesenclast): Likewise.
 130         (aesdec): Likewise.
 131         (aesdeclast): Likewise.
 132         (aesimc): Likewise.
 133         (aeskeygenassist): Likewise.
 134         (pclmulqdq): Likewise.
 135
 136         * config/i386/wmmintrin.h: New.
 137
 138         * doc/extend.texi: Document AES and PCLMUL built-in function.
 139
 140         * doc/invoke.texi: Document -maes and -mpclmul.
 141
 142 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
 143
 144         * function.c (free_after_parsing): Replace with
 145         cxx_push_function_context from C++ front-end.
 146         (allocate_struct_function): Don't call langhook.
 147         * langhooks.h (struct lang_hooks_for_functions): Delete.
 148         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
 149         member "function".
 150         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
 151         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
 152         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
 153         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
 154         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
 155         remove LANG_HOOKS_FUNCTION_INITIALIZER.
 156         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
 157
 158         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
 159         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
 160
 161 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
 162
 163         PR c/35440
 164         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
 165         for all types.
 166
 167 2008-04-04  Richard Guenther  <rguenther@suse.de>
 168
 169         PR middle-end/35823
 170         * fold-const.c (optimize_minmax_comparison): Use the correct
 171         type for the constant in the simplified comparison.
 172
 173 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
 174
 175         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
 176         Pass L2 size as "--param l2-cache-size" to the compiler.
 177         (decode_l2_cache): New function to decode L2 cache parameters using
 178         0x8000006 extended cpuid function.
 179         (detect_caches_amd): Determine parameters of L2 cache using
 180         decode_l2_caches function.
 181         (decode_caches_intel): Decode L2 cache parameters.
 182         (detect_caches_intel): Determine L2 cache parameters using
 183         decode_caches_intel and decode_l2_caches functions.
 184
 185 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
 186
 187         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
 188         secondary input reload for subword loads from the constant pool.
 189
 190 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
 191
 192         PR target/35713
 193         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
 194           constants of the appropriate size for runtime calculations.
 195
 196         PR c/35712
 197         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
 198           decimal-float literal constant zero.
 199
 200 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
 201
 202         PR c/35738
 203         * c-parser.c (c_parser_omp_atomic): Call
 204         default_function_array_conversion on the RHS.
 205
 206         PR middle-end/35818
 207         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
 208         call is_variable_sized if decl has incomplete type.
 209
 210 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
 211
 212         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
 213
 214 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
 215
 216         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
 217         iterators.
 218         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
 219         leu.
 220         (sgt<u>): Merge sgt and sgtu into new expander.
 221         (sgt, sgtu): Remove expanders.
 222         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
 223         pattern.
 224         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
 225         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
 226         *sgtu_<mode>_mips16 into new pattern.
 227         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
 228         (sge<u>): Merge sge and sgeu into new expander.
 229         (sge, sgeu): Remove expanders.
 230         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
 231         new pattern.
 232         (*sge_<mode>, second *sge_<mode>): Remove patterns.
 233         (slt<u>): Merge slt and sltu into new expander.
 234         (slt, sltu): Remove expanders.
 235         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
 236         pattern.
 237         (*slt_<mode>, *sltu_<mode>): Remove patterns.
 238         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
 239         *sltu_<mode>_mips16 into new pattern.
 240         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
 241         (sle<u>): Merge sle and sleu into new expander.
 242         (sle, sleu): Remove expanders.
 243         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
 244         pattern.
 245         (*sle_<mode>, *sleu_<mode>): Remove patterns.
 246         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
 247         *sleu_<mode>_mips16 into new pattern.
 248         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
 249
 250 2008-04-03  Jan Hubicka  <jh@suse.cz>
 251
 252         PR tree-optimization/35795
 253         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
 254         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 255         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 256         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 257         * score/score3.c (score3_output_mi_thunk): Likewise.
 258         * score/score7.c (score7_output_mi_thunk): Likewise.
 259         * mips/mips.c (mips_output_mi_thunk): Likewise.
 260
 261 2008-04-03  Richard Guenther  <rguenther@suse.de>
 262
 263         * tree-vrp.c (extract_range_from_unary_expr): Handle all
 264         conversions.  Simplify code.
 265
 266 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 267
 268         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
 269
 270 2008-04-03  Tom Tromey  <tromey@redhat.com>
 271             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 272
 273         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
 274         * config/bfin/t-bfin-linux (generated_files): Add
 275         linux-sysroot-suffix.h.
 276         * doc/install.texi (Prerequisites): Require make 3.80.
 277         * doc/sourcebuild.texi (Front End Directory): Document new
 278         variable.
 279         * Makefile.in (generated_files): New variable.
 280         (ALL_HOST_OBJS): New variable.
 281         ($(ALL_HOST_OBJS)): New target.
 282
 283 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
 284
 285         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
 286         (remap_block): Call id->transform_lang_insert_block instead
 287         of langhook.
 288         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
 289         Set id.transform_lang_insert_block to NULL.
 290         (clone_body): Move to cp/optimize.c
 291         * tree-inline.h (struct copy_body_data): Change
 292         transform_lang_insert_block to function pointer.
 293         (copy_generic_body, copy_decl_no_change): Export.
 294         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
 295         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
 296         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
 297
 298         * c-tree.h (insert_block): Kill.
 299         * c-decl.c (insert_block): Kill.
 300
 301 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
 302
 303         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
 304         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
 305         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
 306         argument.
 307         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
 308         argument, call {push,pop}_function_context from here.
 309         * c-parser.c: Use c_{push,pop}_function_context.
 310
 311         * function.c (push_function_context_to): Move meat ...
 312         (push_function_context): ... here.  Simplify.
 313         * function.c (pop_function_context_from): Move meat ...
 314         (pop_function_context): ... here.  Simplify.
 315         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
 316         leave_nested).
 317         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
 318         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
 319         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
 320         * tree.h (push_function_context_to, pop_function_context_from): Remove.
 321
 322 2008-04-03  Ben Elliston  <bje@au.ibm.com>
 323
 324         * expmed.c (extract_force_align_mem_bit_field): Remove.
 325
 326 2008-04-03  Richard Guenther  <rguenther@suse.de>
 327
 328         PR middle-end/35800
 329         * expr.h (try_casesi): Adjust prototype.
 330         * expr.c (try_casesi): Take fallback label as extra parameter.
 331         Use that for gen_casesi if default_label is NULL.
 332         * stmt.c (expand_case): Pass fallback label to try_casesi,
 333         make sure to fill gaps with a fallback label if default_label
 334         is not present.
 335
 336 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
 337
 338         PR target/35801
 339         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
 340
 341 2008-04-03  Ben Elliston  <bje@au.ibm.com>
 342
 343         * expmed.c (extract_split_bit_field): Remove if (0) code.
 344         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
 345         (do_ds_constraint): Likewise.
 346
 347 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
 348
 349         * doc/cppopts.texi (-dU): Document.
 350         * c-common.h (flag_dump_macros): Update comment.
 351         * c-opts.c (handle_OPT_d): Handle -dU.
 352         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
 353         dump_queued_macros, cb_used_define, cb_used_undef): New.
 354         (init_pp_output): Handle -dU.
 355         (cb_line_change): Call dump_queued_macros.
 356         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
 357
 358 2008-04-02  Anatoly Sokolov <aesok@post.ru>
 359
 360         * config/avr/predicates.md (io_address_operand): New predicate.
 361         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
 362         * config/avr/avr.c (avr_io_address_p): Remove function.
 363         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
 364         'avr_io_address_p' function.
 365         (out_movhi_r_mr): (Ditto.).
 366         (out_movqi_mr_r): (Ditto.).
 367         (out_movhi_mr_r): (Ditto.).
 368         (avr_address_cost): (Ditto.).
 369
 370 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
 371
 372         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
 373         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
 374         in 32bit mode when XMM registers are available to avoid store
 375         forwarding stalls.
 376         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
 377         corresponding post-reload splitters.
 378
 379 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 380
 381         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
 382         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
 383         __builtin_ia32_roundss.
 384         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
 385         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
 386         __builtin_ia32_roundss.
 387         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
 388         IX86_BUILTIN_SHUFPD here.
 389
 390 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 391
 392         * config/i386/i386.md (plogic): New.
 393         (plogicprefix): Likewise.
 394
 395         * config/i386/mmx.md (mmx_<code><mode>3): New.
 396         (mmx_and<mode>3): Removed.
 397         (mmx_ior<mode>3): Likewise.
 398         (mmx_xor<mode>3): Likewise.
 399
 400         * config/i386/sse.md (<code><mode>3): New.
 401         (*<code><mode>3): Likewise.
 402         (*<code><mode>3): Likewise.
 403         (<code><mode>3): Likewise.
 404         (*sse_<code><mode>3): Likewise.
 405         (*sse2_<code><mode>3): Likewise.
 406         (<code>tf3): Likewise.
 407         (*<code>tf3): Likewise.
 408         (and<mode>3): Likewise.
 409         (*and<mode>3): Likewise.
 410         (ior<mode>3): Removed.
 411         (*ior<mode>3): Likewise.
 412         (xor<mode>3): Likewise.
 413         (*xor<mode>3): Likewise.
 414         (*and<mode>3): Likewise.
 415         (*ior<mode>3): Likewise.
 416         (*xor<mode>3): Likewise.
 417         (and<mode>3): Likewise.
 418         (*sse_and<mode>3): Likewise.
 419         (*sse2_and<mode>3): Likewise.
 420         (andtf3): Likewise.
 421         (*andtf3): Likewise.
 422         (ior<mode>3): Likewise.
 423         (*sse_ior<mode>3): Likewise.
 424         (*sse2_ior<mode>3): Likewise.
 425         (iortf3): Likewise.
 426         (*iortf3): Likewise.
 427         (xor<mode>3): Likewise.
 428         (*sse_xor<mode>3): Likewise.
 429         (*sse2_xor<mode>3): Likewise.
 430         (xortf3): Likewise.
 431         (*xortf3): Likewise.
 432
 433 2008-04-02  Richard Guenther  <rguenther@suse.de>
 434
 435         PR tree-optimization/14495
 436         PR tree-optimization/34793
 437         * tree-vrp.c (struct switch_update): New structure.
 438         (to_remove_edges, to_update_switch_stmts): New VECs.
 439         (simplify_switch_using_ranges): New function.  Remove not taken
 440         case labels and edges.
 441         (simplify_stmt_using_ranges): Call it.
 442         (identify_jump_threads): Mark edges we have queued for removal
 443         so we don't thread them.
 444         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
 445         case label vector.
 446         * tree-cfg.c (group_case_labels): Deal with missing default label.
 447         (tree_verify_flow_info): Allow missing default label.
 448         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
 449         (emit_case_nodes): Likewise.
 450         (expand_case): Do not rely on the default label to be present.
 451         * expr.c (try_casesi): Deal with NULL default_label.
 452         (do_tablejump): Likewise.
 453
 454 2008-04-02  Richard Guenther  <rguenther@suse.de>
 455
 456         PR tree-optimization/14495
 457         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
 458         SWITCH_EXPR here ...
 459         (vrp_visit_switch_stmt): ... but here (new function).
 460         (find_case_label_index): New helper function.
 461         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
 462
 463 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 464
 465         * fwprop.c: Fix ISO-C99ism.
 466
 467 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 468
 469         PR bootstrap/35752
 470         * Makefile.in (objdir): Set it here.
 471         * configure.ac: Not here.  Find dynamic linker characteristics.
 472         * exec-tool.in: Use them.
 473         * aclocal.m4: Regenerate.
 474         * configure: Regenerate.
 475
 476 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 477
 478         * expr.c (expand_var): Delete it.
 479         * expr.h (expand_var): Delete prototype.
 480         * function.c (expand_function_start): Use expand_decl instead.
 481         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
 482         langhook.
 483
 484 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
 485
 486         PR rtl-optimization/35542
 487         * fwprop.c (forward_propagate_and_simplify): Replace
 488         loc_reg_mentioned_in_p with reg_mentioned_p.
 489
 490 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 491
 492         PR rtl-optimization/35281
 493         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
 494         (propagate_rtx_1): Handle PR_HANDLE_MEM.
 495         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
 496         (varying_mem_p): Move above propagate_rtx.
 497         (all_uses_available_at): Do not check MEMs.
 498
 499 2008-04-02  Rafael Espindola  <espindola@google.com>
 500
 501         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
 502         (register_edge_assert_for_2): Split the cond argument.
 503         (register_edge_assert_for_1): Adjust for the change in
 504         register_edge_assert_for_2.
 505         (register_edge_assert_for): Split the cond argument.
 506         (find_switch_asserts): Adjust for the change in
 507         register_edge_assert_for.
 508
 509 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
 510
 511         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
 512         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
 513         offsets for 64-bit mingw.
 514         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
 515         abi for x86_64-pc-mingw.
 516
 517 2008-04-02  Richard Guenther  <rguenther@suse.de>
 518
 519         * tree-vrp.c (extract_range_from_assert): Make sure to not
 520         produce range min/max with TREE_OVERFOW set.
 521         If merging a anti-range and a range keep the anti-range if
 522         the range covers all values of the type.
 523         (register_edge_assert_for_2): Only allow sign-changing
 524         conversions in detecting canonical range checks.  Also
 525         register an assert for the unsigned name if useful.
 526
 527         PR tree-optimization/35787
 528         * tree-vrp.c (vrp_val_max): New function.
 529         (vrp_val_min): Likewise.
 530         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
 531         (vrp_val_is_min): Likewise.
 532         (supports_overflow_infinity): Use vrp_val_{min,max}.
 533         (negative_overflow_infinity): Likewise.
 534         (positive_overflow_infinity): Likewise.
 535         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
 536         (is_positive_overflow_infinity): Likewise.
 537         (is_overflow_infinity): Likewise.
 538         (avoid_overflow_infinity): Use vrp_val_{min,max} and
 539         vrp_val_is_{min,max}.
 540         (set_and_canonicalize_value_range): Canonicalize anti-ranges
 541         to ranges if possible.  Avoid empty ranges.
 542
 543 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 544
 545         PR middle-end/35705
 546         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
 547         the expression is a function address.
 548
 549 2008-04-01  George Helffrich  <george@gcc.gnu.org>
 550
 551         PR fortran/PR35154, fortran/PR23057
 552         * fortran/trans-common.c (create_common):  Add decl to function
 553         chain to preserve identifier scope in debug output.
 554
 555         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
 556         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
 557         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
 558         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
 559         in common.
 560         (dbxout_syms): Check for COMMON-based symbol and wrap in
 561         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
 562         in bracket for efficiency.
 563
 564         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
 565         using DW_TAG_common_block + member offset.
 566         (add_pubname_string): New function.
 567         (dw_expand_expr): New function to find block name and offset for
 568         COMMON var.
 569         (common_check): New function to check whether symbol in Fortran COMMON.
 570         (gen_variable_die): If COMMON, use DW_TAG_common_block.
 571
 572         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
 573         use of common is unchanged.
 574
 575         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
 576         with all combinations of debug options available on target.
 577         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
 578         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
 579         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
 580         .stabs functionality.
 581         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
 582         DWARF functionality.
 583
 584 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
 585
 586         PR c/35436
 587         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
 588
 589 2008-04-02  Ben Elliston  <bje@au.ibm.com>
 590
 591         * config/v850/v850.md (casesi): Remove if (0) code.
 592         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
 593         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
 594
 595 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
 596
 597         * config/i386/i386.md (rex64suffix): New mode attribute.
 598         (floathi<mode>2): Disable expander for SSE math.
 599         (*floathi<mode>2_1): New insn insn_and_split pattern.
 600         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
 601         corresponding post-reload splitters.
 602         (*floathi<mode>2_i387): New macroized insn pattern.
 603         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
 604         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
 605         insn_and_split pattern.
 606         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
 607         New macroized instruction patterns and corresponding post-reload
 608         splitters.
 609         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
 610         and corresponding post-reload splitters.
 611         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
 612         New macroized instruction patterns.
 613         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
 614         macroized instruction patterns and corresponding post-reload splitters.
 615         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
 616         corresponding post-reload splitters.
 617         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
 618         New macroized instruction patterns.
 619         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
 620         corresponding post-reload splitters.
 621         (*floatsi<mode>2_i387): New macroized instruction patterns.
 622
 623 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
 624
 625         * config/i386/i386.md (smaxmin): New.
 626         (umaxmin): Likewise.
 627         (maxminiprefix): Likewise.
 628         (maxminfprefix): Likewise.
 629         (<code><mode>3): Likewise.
 630         (smin<mode>3): Removed.
 631         (smax<mode>3): Likewise.
 632
 633         * config/i386/mmx.md (mmx_<code>v2sf3): New.
 634         (mmx_<code>v4hi3): Likewise.
 635         (mmx_<code>v8qi3): Likewise.
 636         (mmx_smaxv2sf3): Removed.
 637         (mmx_sminv2sf3): Likewise.
 638         (mmx_umaxv8qi3): Likewise.
 639         (mmx_smaxv4hi3): Likewise.
 640         (mmx_uminv8qi3): Likewise.
 641         (mmx_sminv4hi3): Likewise.
 642
 643         * config/i386/sse.md (<addsub><mode>3): New.
 644         (*<addsub><mode>3): Likewise.
 645         (<sse>_vm<addsub><mode>3): Likewise.
 646         (<maxmin><mode>3): Likewise.
 647         (*<maxmin><mode>3_finite): Likewise.
 648         (*<maxmin><mode>3): Likewise.
 649         (<sse>_vm<maxmin><mode>3): Likewise.
 650         (sse3_h<addsub>v4sf3): Likewise.
 651         (sse3_h<addsub>v2df3): Likewise.
 652         (<maxmin>v16qi3): Likewise.
 653         (*<maxmin>v16qi3): Likewise.
 654         (<maxmin>v8hi3): Likewise.
 655         (*<maxmin>v8hi3): Likewise.
 656         (*sse4_1_<maxmin><mode>3): Likewise.
 657         (*sse4_1_<maxmin><mode>3): Likewise.
 658         (add<mode>3): Removed.
 659         (*add<mode>3): Likewise.
 660         (<sse>_vmadd<mode>3): Likewise.
 661         (sub<mode>3): Likewise.
 662         (*sub<mode>3): Likewise.
 663         (<sse>_vmsub<mode>3): Likewise.
 664         (smin<mode>3): Likewise.
 665         (*smin<mode>3_finite): Likewise.
 666         (*smin<mode>3): Likewise.
 667         (<sse>_vmsmin<mode>3): Likewise.
 668         (smax<mode>3): Likewise.
 669         (*smax<mode>3_finite): Likewise.
 670         (*smax<mode>3): Likewise.
 671         (<sse>_vmsmax<mode>3): Likewise.
 672         (sse3_haddv4sf3): Likewise.
 673         (sse3_haddv2df3): Likewise.
 674         (sse3_hsubv4sf3): Likewise.
 675         (sse3_hsubv2df3): Likewise.
 676         (umaxv16qi3): Likewise.
 677         (*umaxv16qi3): Likewise.
 678         (smaxv8hi3): Likewise.
 679         (*smaxv8hi3): Likewise.
 680         (*sse4_1_smax<mode>3): Likewise.
 681         (*sse4_1_umax<mode>3): Likewise.
 682         (uminv16qi3): Likewise.
 683         (*uminv16qi3): Likewise.
 684         (sminv8hi3): Likewise.
 685         (*sminv8hi3): Likewise.
 686         (*sse4_1_smin<mode>3): Likewise.
 687         (*sse4_1_umin<mode>3): Likewise.
 688
 689 2008-04-01  Rafael Espindola  <espindola@google.com>
 690
 691         * tree-cfg.c (verify_expr): remove in_phi.
 692         (verify_stmt): Don't call walk_tree with verify_expr. Use
 693         is_gimple_min_invariant instead of is_gimple_val.
 694
 695 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
 696
 697         * doc/include/gpl_v3.texi: Update for manpage generation.
 698         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
 699         gpl.texi.
 700         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
 701         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
 702         gpl_v3.texi instead of gpl.texi.
 703         (gpl.pod): New.
 704
 705 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
 706
 707         PR pch/13675
 708         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
 709
 710 2008-04-01  Rafael Espindola  <espindola@google.com>
 711
 712         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
 713         (extract_code_and_val_from_cond): Use
 714         extract_code_and_val_from_cond_with_ops.
 715
 716 2008-04-01  Jan Hubicka  <jh@suse.cz>
 717
 718         * function.c (free_after_compilation): Free epilogue_delay_list.
 719         (prepare_function_start): Assert that previous compilation was freed.
 720
 721 2008-04-01  Jan Hubicka  <jh@suse.cz>
 722             Jim Wilson  <wilson@tuliptree.org>
 723             Andreas Tobler <andreast@gcc.gnu.org>
 724
 725         PR middle-end/35781
 726         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
 727         rtl.emit instead cfun->emit.
 728         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
 729         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
 730
 731 2008-04-01  Ben Elliston  <bje@au.ibm.com>
 732
 733         * doc/c-tree.texi (Function Basics): Fix grammatical error.
 734
 735 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
 736
 737         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
 738         New options
 739         (fprofile-use): Add var flag_profile_use
 740         * coverage.c (coverage_begin_output): Do not open a gcno file for
 741         output only if -ftest-coverage is set.
 742         Do not add getpwd() to gcda file path.
 743         (build_gcov_info): Check the new flag
 744         flag_profile_datafile_relative_path.
 745         (coverage_init): Use profile_data_prefix.
 746         Read profile counter only if flag_profile_use is set.
 747         * opts.c (common_handle_option): New option fprofile-use=,
 748         fprofile-dir=, fprofile-generate=.
 749         * toplev.c (profile_data_prefix): New variable definition.
 750         * toplev.h (profile_data_prefix): New declaration.
 751         * doc/invoke.tex (Option Summary, Optimization Options):
 752         Add new options.
 753
 754 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
 755
 756         * varasm.c (output_constant_pool_1): In LABEL_REF check,
 757         use tmp consistently.
 758
 759         PR target/35695
 760         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
 761         * config/ia64/ia64.c (rtx_needs_barrier): Handle
 762         UNSPEC_FR_RECIP_APPROX_RES.
 763         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
 764
 765 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
 766
 767         PR c/35750
 768         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
 769
 770 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 771
 772         PR middle-end/30186
 773         * fold-const.c (fold_indirect_ref_1): Support accessing non first
 774         element of the vector via a pointer.
 775
 776 2008-03-31  Ian Lance Taylor  <iant@google.com>
 777
 778         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
 779
 780 2008-03-31  Jan Hubicka  <jh@suse.cz>
 781
 782         * builtins.c (expand_builtin_setjmp_receiver): Update call of
 783         get_arg_pointer_save_area.
 784         * expr.c (init_expr): Just clear out rtl.expr.
 785         * function.c (free_after_compilation): Clear out whole RTL structure.
 786         (get_func_frame_size): Merge into ...
 787         (get_frame_size): ... this one.
 788         (assign_stack_local_1): Merge into ...
 789         (assign_stack_local): ... this one.
 790         (expand_function_end): Update call of get_arg_pointer_save_area.
 791         (get_art_pointer_save_area): Remove cfun argument.
 792         * function.h (emit_status): regno_pointer_align does not need length
 793         attribute. Move x_regno_reg_rtx to ...
 794         (regno_reg_rtx): ... new global array.
 795         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
 796         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
 797         apply_args_value, forced_labels, stack_pointer_delta):
 798         Update accestors.
 799         (struct varasm_status): Move here from varasm.c
 800         (struct rtl_data): New. Move here some fields from struct function.
 801         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
 802         frame_offset, stack_check_probe_note, arg_pointer_save_area,
 803         used_temp_slots avail_temp_slots, temp_slot_level,
 804         nonlocal_goto_handler_labels): Update accesstors.
 805         (rtl): New global variable.
 806         (struct function): Move some fileds to rtl_data.
 807         (get_arg_pointer_save_area): Update prototype.
 808         * emit-rtl.c (rtl): Declare.
 809         (regno_reg_rtx): Declare.
 810         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
 811         Update.
 812         (gen_reg_rtx): Update.
 813         (init_virtual_regs): Do not tate emit_status argument.
 814         (init_emit): Do not allocate emit.
 815         * varasm.c (varasm_statuc): Move to function.h.
 816         (n_deferred_constatns): Update accestor.
 817         (init_varasm_status): Do not allocate varasm_status.
 818         (force_const_mem, get_pool_size, output_constant_pool): Update.
 819         * stmt.c (force_label_rtx): Do not use x_ prefixes.
 820         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
 821
 822 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
 823
 824         PR rtl-optimization/35729
 825         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
 826         references.
 827
 828 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 829
 830         PR target/32000
 831         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
 832         load/store if memory is unaligned.
 833         (*movti_rex64): Likewise.
 834
 835         * config/i386/predicates.md (misaligned_operand): New.
 836
 837 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
 838
 839         PR tree-opt/35431
 840         * tree-ssa-phiopt.c (conditional_replacement): Return early for
 841         complex types.
 842
 843 2008-03-31  Jan Beulich  <jbeulich@novell.com>
 844
 845         * config/ia64/constraints.md: Add 'j' constraint.
 846         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
 847         (movdi_internal): Likewise.
 848
 849 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
 850
 851         PR c/35748
 852         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
 853
 854 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         PR target/35757
 857         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
 858         proper error message for the third argument on blendpd and
 859         blendps.
 860
 861         * config/i386/sse.md (blendbits): New.
 862         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
 863
 864 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
 865
 866         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
 867
 868 2008-03-30  Richard Guenther  <rguenther@suse.de>
 869
 870         PR middle-end/31023
 871         * fold-const.c (fold_sign_changed_comparison): Do leave
 872         conversions to base-types alone.
 873
 874 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 875
 876         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
 877         the link register if one altivec register is be saved.
 878
 879 2008-03-30  Ben Elliston  <bje@au.ibm.com>
 880
 881         * final.c (final_scan_insn): Remove if (0) code.
 882
 883 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
 884
 885         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
 886
 887 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
 888
 889         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
 890         of V4SFmode to ix86_binary_operator_ok.
 891
 892 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
 893
 894         * config/i386/i386.c (override_options): Initialize
 895         ix86_veclib_handler to ix86_veclibabi_svml when
 896         -mveclibabi=svml is used.
 897         (ix86_veclibabi_svml): New function for SVML ABI style
 898         vectorization support.
 899         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
 900
 901 2008-03-28  Rafael Espindola  <espindola@google.com>
 902
 903         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
 904         (tree_binary_nonnegative_warnv_p): Make it public.
 905         (tree_single_nonnegative_warnv_p): Make it public.
 906         (tree_invalid_nonnegative_warnv_p): Make it public.
 907         (tree_unary_nonzero_warnv_p): Make it public.
 908         (tree_binary_nonzero_warnv_p): Make it public
 909         (tree_single_nonzero_warnv_p): Make it public.
 910         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
 911         (extract_range_from_binary_expr): Split the expr argument.
 912         (extract_range_from_unary_expr): Split the expr argument.
 913         (extract_range_from_comparison): Split the expr argument.
 914         (extract_range_from_expr): Use the new aux functions.
 915         (vrp_evaluate_conditional_warnv): Use
 916         vrp_evaluate_conditional_warnv_with_ops.
 917         * tree.h (tree_unary_nonzero_warnv_p): Declare.
 918         (tree_binary_nonzero_warnv_p): Declare.
 919         (tree_single_nonzero_warnv_p): Declare.
 920         (tree_expr_nonzero_warnv_p): Declare.
 921         (tree_unary_nonnegative_warnv_p): Declare.
 922         (tree_binary_nonnegative_warnv_p): Declare.
 923         (tree_single_nonnegative_warnv_p): Declare.
 924         (tree_invalid_nonnegative_warnv_p): Declare.
 925
 926 2008-03-28  Richard Guenther  <rguenther@suse.de>
 927
 928         PR tree-optimization/30317
 929         PR tree-optimization/30911
 930         PR tree-optimization/34793
 931         * tree-vrp.c (set_and_canonicalize_value_range): New function.
 932         (struct assert_locus_d): New member EXPR.
 933         (register_new_assert_for): Add EXPR parameter to support
 934         ASSERT_EXPR <name, expr OP limit>.
 935         (register_edge_assert_for_1): Adjust callers.
 936         (find_assert_locations): Likewise.
 937         (process_assert_insertions_for): Build condition from expression.
 938         (extract_range_from_assert): Handle ASSERT_EXPRs
 939         of the form ASSERT_EXPR <name, expr OP limit>.
 940         (register_edge_assert_for_2): New helper registering
 941         asserts for comparisons.  Recognize range tests of the form
 942         (unsigned)i - CST1 OP CST2.
 943         (register_edge_assert_for_1): Use it.
 944         (register_edge_assert_for): Likewise.
 945         (needs_overflow_infinity): Integer sub-types
 946         do not need overflow infinities.
 947         (vrp_val_is_max): The extreme values of integer sub-types
 948         are those of the base type.
 949         (vrp_val_is_min): Likewise.
 950         * tree.def (ASSERT_EXPR): Document extra allowed conditional
 951         expressions.
 952
 953 2008-03-28  Nick Clifton  <nickc@redhat.com>
 954
 955         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
 956         Return GENERAL_REGS for stack adjustment reloads.
 957
 958 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 959
 960         PR target/31334
 961         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
 962         const_vector when all the vectors are constant.
 963
 964 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
 965
 966         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
 967         comparisons.
 968         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
 969         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
 970         (scc_sf): New.
 971         (s<code>_sf): Use new scc_sf attribute for opcode names.
 972
 973 2008-03-27  Tom Tromey  <tromey@redhat.com>
 974
 975         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
 976         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
 977         config/spu/t-spu-elf, config/i386/t-interix,
 978         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
 979         config/i386/x-darwin, config/i386/x-mingw32,
 980         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
 981         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
 982         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
 983         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
 984         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
 985         config/rs6000/x-darwin, config/rs6000/t-rs6000,
 986         config/score/t-score-elf, config/arm/t-strongarm-pe,
 987         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
 988         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
 989         Revert automatic dependency patch.
 990
 991 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 992
 993         PR target/35657
 994         * config/i386/i386.c (ix86_function_arg_boundary): Align
 995         decimal floating point to its natural boundary.
 996
 997 2008-03-27  Richard Guenther  <rguenther@suse.de>
 998
 999         PR middle-end/35716
1000         * fold-const.c (fold_comparison): Restrict distinct decl
1001         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1002         solely rely on operand_equal_p.
1003
1004 2008-03-27  Richard Guenther  <rguenther@suse.de>
1005
1006         PR c/32511
1007         * c-common.c (handle_weak_attribute): Reject combination of
1008         weak and inline.
1009
1010 2008-03-27  Richard Guenther  <rguenther@suse.de>
1011
1012         PR tree-optimization/32810
1013         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1014         conversions from DECL_INITIAL.
1015         (fold_const_aggregate_ref): Likewise from constructor elements.
1016
1017 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1018
1019         * tree-affine.h (aff_combination_expand): Declare.
1020         (get_inner_reference_aff): Likewise.
1021         * tree-affine.c (aff_combination_expand): Split out from
1022         tree_to_aff_combination_expand.
1023         (get_inner_reference_aff): New function.
1024         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1025         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1026         (struct lim_aux_data): sm_done field removed.
1027         (mem_ref_loc_p, mem_ref_locs_p): New types.
1028         (struct mem_ref): Added id, stored, accesses_in_loop,
1029         indep_loop, dep_loop, indep_ref, dep_ref fields.
1030         Removed is_stored, locs and next fields.
1031         (memory_accesses): New variable.
1032         (movement_possibility): Do not allow moving statements
1033         that store to memory.
1034         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1035         New functions.
1036         (determine_max_movement): For statements with memory references,
1037         find the outermost loop in that the reference is independent.
1038         (move_computations_stmt): Mark the virtual operands for renaming.
1039         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1040         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1041         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1042         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1043         create_vop_ref_mapping, analyze_memory_references,
1044         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1045         get_all_locs_in_loop, ref_always_accessed_p,
1046         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1047         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1048         store_motion_loop, store_motion): New functions.
1049         (struct vop_to_refs_elt): New type.
1050         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1051         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1052         (schedule_sm): Replaced by...
1053         (execute_sm): ... this.
1054         (determine_lsm_ref, hoist_memory_references,
1055         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1056         find_more_ref_vops, free_mem_ref, free_mem_refs,
1057         determine_lsm_loop, determine_lsm): Removed.
1058         (tree_ssa_lim_finalize): Free data structures used by store motion.
1059         (tree_ssa_lim): Call analyze_memory_references.  Use
1060         store_motion instead of determine_lsm.
1061
1062 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1063
1064         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1065         rename tmake_file to m68hc11/t-m68hc11.
1066         (mcore): Set inhibit_libc to true.
1067         * config.host (alpha*-dec-*vms*): Set extra_programs.
1068         (interix3*): Don't use host_xmake_file.
1069         * configure.ac: Let config.gcc override inhibit_libc.
1070         * configure: Regenerate.
1071
1072         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1073         * config/t-openbsd-thread: Remove commented out lines.
1074
1075         * config/x-interix: Remove.
1076
1077         * config/m68hc11/t-m68hc11-gas: Rename to...
1078         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1079
1080         * config/mcore/t-mcore: Remove T_CFLAGS.
1081         * config/mcore/t-mcore-pe: Likewise.
1082
1083 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1084
1085         * configure.ac: Replace custom __GNU_SOURCE test with
1086         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1087         * aclocal.m4: Regenerate.
1088         * configure: Regenerate.
1089         * config.in: Regenerate.
1090
1091 2008-03-27  Richard Guenther  <rguenther@suse.de>
1092
1093         * fold-const.c (target.h): Include.
1094         (fold_comparison): Fold comparison of addresses of decls
1095         that bind locally or of constants.  Consolidate address folding code.
1096         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1097         results from fold_binary_to_constant.
1098         (compare_values_warnv): Likewise.
1099
1100 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1101
1102         PR middle-end/35429
1103         * fold-const.c (fold_truthop): Check for integeral types when folding
1104         a == 0 && b == 0 and a != 0 || b != 0 .
1105
1106 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1107
1108         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1109
1110 2008-03-26  Andreas Schwab  <schwab@suse.de>
1111
1112         * doc/invoke.texi: Fix use of @item vs. @itemx.
1113
1114 2008-03-26  Tom Tromey  <tromey@redhat.com>
1115
1116         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1117         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1118         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1119         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1120         build/genconstants.o, build/genemit.o, build/genextract.o,
1121         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1122         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1123         options.h.
1124
1125 2008-03-26  Richard Guenther  <rguenther@suse.de>
1126
1127         Revert
1128         2008-03-26  Richard Guenther  <rguenther@suse.de>
1129
1130         * fold-const.c (target.h): Include.
1131         (fold_comparison): Fold comparison of addresses of two decls
1132         that bind locally.  Consolidate address folding code.
1133
1134 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1135
1136         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1137         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1138         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1139         dconstsqrt2, dconstthird, dconste and/or dconst10.
1140         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1141         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1142         dconstsqrt2, dconste): Delete.
1143         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1144         Constify variable.
1145         * real.c (get_real_const): New.
1146         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1147         dconstsqrt2, dconste): Delete.
1148         (real_value_const, get_real_const): New.
1149
1150 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1151
1152         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1153
1154         * config/i386/i386.c (ix86_function_arg_boundary): Check
1155         BIGGEST_ALIGNMENT instead of 128.
1156         (setup_incoming_varargs_64): Likewise.
1157
1158 2008-03-26  Tom Tromey  <tromey@redhat.com>
1159
1160         * Makefile.in (DEPFILES): Add missing '/'.
1161
1162 2008-03-26  Richard Guenther  <rguenther@suse.de>
1163
1164         * fold-const.c (target.h): Include.
1165         (fold_comparison): Fold comparison of addresses of two decls
1166         that bind locally.  Consolidate address folding code.
1167
1168 2008-03-26  Nick Clifton  <nickc@redhat.com>
1169
1170         PR target/31232
1171         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1172         not allow INT+INT as a legitimate addressing mode.
1173
1174 2008-03-26  Richard Guenther  <rguenther@suse.de>
1175
1176         * tree-flow.h (widen_bitfield): Remove declaration.
1177         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1178         (widen_bitfield): Remove function.
1179         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1180         code.
1181
1182 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1183
1184         PR target/31558
1185         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1186         error_mark_node's.
1187
1188 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1189
1190         PR rtl-optimization/35232
1191         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1192         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1193         reg_reloaded_call_part_clobbered here.
1194         (reload_regs_reach_end_p): New function.
1195         (reload_reg_rtx_for_input): New variable.
1196         (reload_reg_rtx_for_output): Likewise.
1197         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1198         when reassigning a pseudo register.  Load reloadreg from
1199         reload_reg_rtx_for_input, moving the mode and register
1200         calculation to...
1201         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1202         instead of the original when deciding whether an input reload
1203         would be a no-op or whether an output reload can be deleted.
1204         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1205         when setting up new_spill_reg_store.  Load it from
1206         reload_reg_rtx_for_output, moving the mode and register
1207         calculation to...
1208         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1209         instead of the original when deciding whether an output reload
1210         would be a no-op.  Do the same when modifying insn notes.
1211         Use rtx_equal_p instead of == to compare the registers.
1212         (inherit_piecemeal_p): Take a mode and two register numbers
1213         as argument.
1214         (emit_reload_insns): Clear new_spill_reg_store for every hard
1215         register in the reload register.  Remove spill registers
1216         from reg_reloaded_valid before considering whether to record
1217         inheritance information for them.  Use reload_reg_rtx_for_output
1218         instead of reg_rtx when recording output reloads.  Use
1219         reload_reg_rtx_for_input instead of reg_rtx when recording
1220         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1221         at the same time as setting reg_reloaded_valid.
1222         (delete_output_reload): Add a new_reload_reg parameter and use it
1223         instead of rld[j].reg_rtx.
1224         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1225         calls accordingly.
1226
1227 2008-03-25  Tom Tromey  <tromey@redhat.com>
1228
1229         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1230         (build/genattr.o): Likewise.
1231         (build/genattrtab.o): Likewise.
1232         (build/gencodes.o): Likewise.
1233         (build/genconfig.o): Likewise.
1234         (build/genconstants.o): Likewise.
1235         (build/genemit.o): Likewise.
1236         (build/genextract.o): Likewise.
1237         (build/genflags.o): Likewise.
1238
1239 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1240
1241         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1242         instead of size_int for integer types.
1243         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1244         to match type of MINUS_EXPR.
1245
1246 2008-03-25  Tom Tromey  <tromey@redhat.com>
1247
1248         * configure: Rebuilt.
1249         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1250         Makefile.
1251
1252 2008-03-25  Tom Tromey  <tromey@redhat.com>
1253
1254         * config/x-solaris (host-solaris.o): Update.
1255         * config/x-linux (host-linux.o): Update.
1256         * config/x-hpux (host-hpux.o): Update.
1257         * config/x-darwin (host-darwin.o): Update.
1258         * config/v850/t-v850e (v850-c.o): Update.
1259         * config/v850/t-v850 (v850-c.o): Update.
1260         * config/t-vxworks (vxworks.o): Update.
1261         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1262         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1263         * config/spu/t-spu-elf (spu-c.o): Update.
1264         (spu.o): Remove.
1265         * config/sh/t-symbian (sh-c.o): Update.
1266         (symbian.o): Update.
1267         * config/sh/t-sh (sh-c.o): Update.
1268         * config/score/t-score-elf (score7.o, score3.o): Update.
1269         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1270         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1271         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1272         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1273         (rs6000.o): Remove.
1274         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1275         * config/m32c/t-m32c (m32c-pragma.o): Update.
1276         * config/ia64/t-ia64 (ia64-c.o): Update.
1277         * config/i386/x-mingw32 (host-mingw32.o): Update.
1278         * config/i386/x-i386 (driver-i386.o): Update.
1279         * config/i386/x-darwin (host-i386-darwin.o): Update.
1280         * config/i386/x-cygwin (host-cygwin.o): Update.
1281         * config/i386/t-nwld (nwld.o): Update.
1282         * config/i386/t-netware (netware.o): Update.
1283         * config/i386/t-interix (winnt.o): Update.
1284         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1285         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1286         msformat-c.o): Update.
1287         * config/bfin/t-bfin-linux (generated_files): Add
1288         linux-sysroot-suffix.h.
1289         * config/arm/t-wince-pe (pe.o): Update.
1290         * config/arm/t-strongarm-pe (pe.o): Update.
1291         * config/arm/t-pe (pe.o): Update.
1292         * config/arm/t-arm (arm-c.o): Update.
1293         * doc/install.texi (Prerequisites): Require make 3.80.
1294         * Makefile.in: Remove .o targets.
1295         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1296         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1297         (simple_generated_h, simple_generated_c): Move earlier.
1298         (generated_files): New variable.
1299         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1300         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1301         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1302         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1303         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1304         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1305         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1306         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1307         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1308         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1309         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1310         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1311         (.c.o): Remove.
1312         (COMPILE.base, COMPILE): New variables.
1313         (%.o): New pattern rule.
1314         (ALL_HOST_OBJS): New variable.
1315         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1316         (dummy-checksum.o, cc1-checksum.o): Remove.
1317         (DRIVER_SHLIB): New variable.
1318         (DRIVER_DEFINES): Use it.
1319         (gencondmd.c): Move out of build/.
1320         (s-conditions): Update.
1321         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1322         (ALL_BUILD_OBJS): Likewise.
1323         (build/%.o): Use BUILDCOMPILE.
1324         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1325         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1326         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1327         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1328         build/genconfig.o, build/genconstants.o, build/genemit.o,
1329         build/genextract.o, build/genflags.o, build/genmddeps.o,
1330         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1331         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1332         build/gen-protos.o, build/scan.o, build/fix-header.o,
1333         build/scan-decls.o): Simplify.
1334         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1335         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1336         prefix.o, toplev.o): Reduce to variable setting.
1337         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1338         ($(out_object_file), gcc-options.o): New targets.
1339         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1340         * configure: Rebuilt.
1341         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1342         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1343
1344 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1345
1346         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1347         complain when we hit an error, return ERROR_MARK_NODE.
1348
1349 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1350
1351         * config/sh/constraints.md (Pso, Psz): New constraints.
1352         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1353         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1354
1355 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1356
1357         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1358         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1359
1360 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1361
1362         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1363         (prefetch_sh2a): New.
1364
1365 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1366             Naveen.H.S  <naveen.hs@kpitcummins.com>
1367
1368         * config/sh/constraints.md (I28): New constraint.
1369         * config/sh/sh.c (broken_move): Add support for movi20s.
1370         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1371
1372 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1373             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1374             Naveen.H.S  <naveen.hs@kpitcummins.com>
1375
1376         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1377         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1378         (print_operand): Handle resbank in %@ operand code.
1379         (sh_encode_section_info): New.
1380         (push_regs): Add conditions for resbank.
1381         (sh_expand_epilogue): Likewise.
1382         (sh_insert_attributes): Likewise.
1383         (sh_attribute_table): Likewise.
1384         (sh_handle_resbank_handler_attribute): New.
1385         (sh2a_handle_function_vector_handler_attribute): New.
1386         (sh2a_is_function_vector_call): New.
1387         (sh2a_get_function_vector_number): New.
1388         (sh2a_function_vector_p): New.
1389         (sh_cfun_resbank_handler_p): New.
1390         * config/sh/sh.md (calli): Emit jsr/n if possible.
1391         (calli_tbr_rel): New.
1392         (calli_pcrel): Emit jsr/n if possible.
1393         (return_i): Emit rts/n if possible.
1394         (call_valuei_tbr_rel): New.
1395         (call_valuei_pcrel): Add condition for SH2A target.
1396         (call_value): Likewise.
1397         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1398         (sh2a_get_function_vector_number): Likewise.
1399         (sh2a_is_function_vector_call): Likewise.
1400         * doc/extend.texi: Document TBR relative addressing of SH2A.
1401         (resbank): Add description for SH2A.
1402
1403 2008-03-24  Richard Guenther  <rguenther@suse.de>
1404
1405         PR c/22371
1406         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1407         pointer assignments change conversions according to middle-end rules.
1408         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1409         * configure.ac: Include type checking in yes.
1410         * configure: Regenerate.
1411
1412 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1413
1414         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1415         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1416
1417 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1418
1419         * gthr-vxworks.h (UNUSED): Define.
1420
1421 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1422
1423         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1424
1425 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1426
1427         * doc/extend.texi (Function Attributes): Add missing comma in the
1428         example of the "alloc_size" attribute.
1429
1430 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1431
1432         Revert:
1433         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1434
1435         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1436         32bit host.
1437
1438         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1439
1440         PR target/35496
1441         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1442         of the underlying type of a MS bitfield layout to the natural
1443         alignment of the type.
1444
1445         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1446
1447         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1448         to their natural alignment to avoid store forwarding stalls.
1449
1450 2008-03-22  Richard Guenther  <rguenther@suse.de>
1451
1452         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1453         For PHI nodes verify the address is invariant.
1454         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1455         (get_symbol_constant_value): Use is_gimple_min_invariant.
1456         (maybe_fold_stmt_indirect): Likewise.
1457
1458 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1459
1460         PR rtl-optimization/33927
1461         * Makefile.in (dse.o): Depend on $(TM_P_H).
1462         * expr.h (extract_low_bits): Declare.
1463         * expmed.c (extract_low_bits): New function.
1464         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1465         * dse.c: Include tm_p.h.
1466         (find_shift_sequence): Remove the read_reg argument and return the
1467         read value.  Emit the instructions instead of returning them.
1468         Iterate on new_mode rather than calculating it each time.
1469         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1470         source to NEW_MODE and extract_low_bits to convert the shifted
1471         value to READ_MODE.
1472         (replace_read): Allow the load and store to have different mode
1473         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1474         or extraction instructions before trying the replacement.  Update
1475         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1476
1477 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1478
1479         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1480         to their natural alignment to avoid store forwarding stalls.
1481
1482 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1483
1484         PR target/27946
1485         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1486         encouraging but not allowing gprs for input;
1487         change the input constraint to !f#r.
1488         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1489         gprs for output;
1490         change the output constraint to !f#r.
1491
1492 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1493
1494         PR target/13958
1495         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1496         corresponding post-reload splitters.
1497         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1498         when x87 FP math is selected.
1499         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1500         New function prototype.
1501         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1502         unreachable function to ease macroization of insn patterns.
1503
1504 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1505
1506         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1507         reference dumps if ddr is NULL or dependence is unknown.
1508
1509 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1510
1511         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1512         unsigned extension into account.
1513         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1514         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1515         Do computations on a scratch register.
1516
1517 2008-03-21  Richard Guenther  <rguenther@suse.de>
1518
1519         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1520         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1521         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1522         * tree-ssa-dom.c (record_equality): Likewise.
1523         * tree-inline.c (copy_body_r): Likewise.
1524         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1525         TREE_INVARIANT.
1526
1527 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1528
1529         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1530         as 'delete_unused' argument.
1531
1532 2008-03-20  Richard Guenther  <rguenther@suse.de>
1533
1534         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1535         special casing of constant qualifiers.
1536         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1537         care about them in general.
1538         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1539         regardless of their type.
1540         (fold_stmt_r): Forcefully fold *& if we end up with that.
1541
1542 2008-03-20  Paul Brook  <paul@codesourcery.com>
1543
1544         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1545         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1546         linker flags.
1547         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1548         definition.
1549         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1550         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1551
1552 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1553
1554         * common.opt (Wmudflap): New option.
1555         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1556         (mx_register_decls): Likewise.
1557         (mudflap_finish_file): Likewise.
1558         * doc/invoke.texi: Document -Wno-mudflap.
1559
1560 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1561
1562         * c-format.c (replace_format_name_to_system_name): New.
1563         (cmp_attribs): New.
1564         (convert_format_name_to_system_name): New.
1565         (decode_format_attr): Add use of convert_format_name_to_system_name.
1566         (format_types_orig): Add gnu_ prefix to names.
1567         (check_format_info_main): Special treating of \0 escaped names for
1568         supporting multi-character format specifiers as I32, I64.
1569         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1570         (gnu_target_overrides_format_attributes): New.
1571         * c-format.h: Add structure target_ovr_attr to hold
1572         system specific formatter names.
1573         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1574         msformat-c.o file to c_target_objs and cxx_target_objs.
1575         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1576         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1577         (TARGET_N_FORMAT_TYPES): New.
1578         * config/i386/msformat-c.c: New.
1579         * config/i386/t-cygming: Add build rule for msformat-c.o.
1580         * doc/extend.texi: Add new format names gnu_* and ms_* and
1581         further details.
1582         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1583
1584 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1585
1586         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1587         optimizations turned on under -O3.
1588         (ftree-vectorize): Add that the flag is turned on with -O3.
1589
1590 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1591
1592         * regmove.c (try_auto_increment): Fix spelling error in comment.
1593         * final.c (final_scan_insn): Likewise.
1594
1595 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1596
1597         PR target/14552
1598         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1599         allocator preferences for "y" and "r" class registers.
1600         ("*mov<mode>_internal"): Ditto.
1601         ("*movv2sf_internal_rex64"): Ditto.
1602         ("*movv2sf_internal"): Ditto.
1603
1604 2008-03-19  Michael Matz  <matz@suse.de>
1605
1606         PR middle-end/35616
1607         * calls.c (expand_call): Check overlap of arguments with call
1608         address for sibcalls.
1609
1610 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1611
1612         PR target/35496
1613         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1614         of the underlying type of a MS bitfield layout to the natural
1615         alignment of the type.
1616
1617 2008-03-19  Jan Hubicka  <jh@suse.cz>
1618
1619         PR other/35094
1620         * toplev.c (decode_d_option): Handle all CPP flags.
1621         * tree-vrp.c: Update tree_pass descriptors.
1622         * regrename.c: Update tree_pass descriptors.
1623         * fwprop.c: Update tree_pass descriptors.
1624         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1625         * tree-into-ssa.c: Update tree_pass descriptors.
1626         * tree-dump.c: Update tree_pass descriptors.
1627         * tree-complex.c: Update tree_pass descriptors.
1628         * tree-dump.h: Update tree_pass descriptors.
1629         * see.c: Update tree_pass descriptors.
1630         * cgraphbuild.c: Update tree_pass descriptors.
1631         * tracer.c: Update tree_pass descriptors.
1632         * tree-loop-distribution.c: Update tree_pass descriptors.
1633         * cgraph.c: Update tree_pass descriptors.
1634         * postreload-gcse.c: Update tree_pass descriptors.
1635         * postreload.c: Update tree_pass descriptors.
1636         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1637         * tree-tailcall.c: Update tree_pass descriptors.
1638         * tree-pass.h (tree_opt_pass): Rename to ...
1639         (opt_pass) ... this one; add "type" field and remove letter field.
1640         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1641         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1642         all_lowering_passes): Update declaration.
1643         * ipa-cp.c: Update tree_pass descriptors.
1644         * final.c: Update tree_pass descriptors.
1645         * omp-low.c: Update tree_pass descriptors.
1646         * tree-ssa-dse.c: Update tree_pass descriptors.
1647         * ipa-reference.c: Update tree_pass descriptors.
1648         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1649         * auto-inc-dec.c: Update tree_pass descriptors.
1650         * reorg.c: Update tree_pass descriptors.
1651         * cgraphunit.c: Update tree_pass descriptors.
1652         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1653         * tree-ssa-ccp.c: Update tree_pass descriptors.
1654         * df-core.c: Update tree_pass descriptors.
1655         * mode-switching.c: Update tree_pass descriptors.
1656         * tree-nomudflap.c: Update tree_pass descriptors.
1657         * modulo-sched.c: Update tree_pass descriptors.
1658         * ipa-pure-const.c: Update tree_pass descriptors.
1659         * cse.c: Update tree_pass descriptors.
1660         * web.c: Update tree_pass descriptors.
1661         * tree-stdarg.c: Update tree_pass descriptors.
1662         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1663         * tree-ssa-dom.c: Update tree_pass descriptors.
1664         * tree-nrv.c: Update tree_pass descriptors.
1665         * tree-ssa-alias.c: Update tree_pass descriptors.
1666         * loop-init.c: Update tree_pass descriptors.
1667         * gimple-low.c: Update tree_pass descriptors.
1668         * ipa-inline.c: Update tree_pass descriptors.
1669         * tree-ssa-sink.c: Update tree_pass descriptors.
1670         * global.c: Update tree_pass descriptors.
1671         * ifcvt.c: Update tree_pass descriptors.
1672         * jump.c: Update tree_pass descriptors.
1673         * predict.c: Update tree_pass descriptors.
1674         * tree-ssa-loop.c: Update tree_pass descriptors.
1675         * recog.c: Update tree_pass descriptors.
1676         * dse.c: Update tree_pass descriptors.
1677         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1678         * tree-eh.c: Update tree_pass descriptors.
1679         * regmove.c: Update tree_pass descriptors.
1680         * local-alloc.c
1681         * function.c: Update tree_pass descriptors.
1682         * tree-vectorizer.c: Update tree_pass descriptors.
1683         * gcse.c: Update tree_pass descriptors.
1684         * ipa-type-escape.c: Update tree_pass descriptors.
1685         * tree-if-conv.c: Update tree_pass descriptors.
1686         * init-regs.c: Update tree_pass descriptors.
1687         * ipa.c: Update tree_pass descriptors.
1688         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1689         * rtl-factoring.c: Update tree_pass descriptors.
1690         * lower-subreg.c: Update tree_pass descriptors.
1691         * bt-load.c: Update tree_pass descriptors.
1692         * tree-dfa.c: Update tree_pass descriptors.
1693         * except.c: Update tree_pass descriptors.
1694         * emit-rtl.c: Update tree_pass descriptors.
1695         * cfgexpand.c: Update tree_pass descriptors.
1696         * tree-cfgcleanup.c: Update tree_pass descriptors.
1697         * cfgcleanup.c: Update tree_pass descriptors.
1698         * tree-ssa-pre.c: Update tree_pass descriptors.
1699         * tree-sra.c: Update tree_pass descriptors.
1700         * tree-mudflap.c: Update tree_pass descriptors.
1701         * tree-ssa-copy.c: Update tree_pass descriptors.
1702         * cfglayout.c: Update tree_pass descriptors.
1703         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1704         * tree-ssa-dce.c: Update tree_pass descriptors.
1705         * tree-ssa.c: Update tree_pass descriptors.
1706         * regclass.c: Update tree_pass descriptors.
1707         * integrate.c: Update tree_pass descriptors.
1708         * tree-optimize.c: Update tree_pass descriptors.
1709         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1710         * tree-object-size.c: Update tree_pass descriptors.
1711         * combine.c: Update tree_pass descriptors.
1712         * tree-outof-ssa.c: Update tree_pass descriptors.
1713         * bb-reorder.c: Update tree_pass descriptors.
1714         * stack-ptr-mod.c: Update tree_pass descriptors.
1715         * var-tracking.c: Update tree_pass descriptors.
1716         * tree-profile.c: Update tree_pass descriptors.
1717         * tree-vect-generic.c: Update tree_pass descriptors.
1718         * reg-stack.c: Update tree_pass descriptors.
1719         * sched-rgn.c: Update tree_pass descriptors.
1720         * tree-ssa-structalias.c: Update tree_pass descriptors.
1721         * tree-cfg.c: Update tree_pass descriptors.
1722         * passes.c (current_pass): Update declaration.
1723         (finish_optimization_passes): Update.
1724         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1725         (register_one_dump_file, register_dump_files_1, next_pass_1):
1726         Update arguments.
1727         (init_optimization_passes): Update handling of new types.
1728         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1729         * ipa-struct-reorg.c: Update tree_pass descriptors.
1730         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1731         * combine-stack-adj.c: Update tree_pass descriptors.
1732         * cfgrtl.c: Update tree_pass descriptors.
1733         * dce.c: Update tree_pass descriptors.
1734         * tree-ssanames.c: Update tree_pass descriptors.
1735
1736 2008-03-19  Richard Guenther  <rguenther@suse.de>
1737
1738         PR middle-end/35609
1739         * tree-ssa.c (walk_data): New structure.
1740         (warn_uninitialized_var): If not always_executed warn with "maybe"
1741         instead of "is".
1742         (execute_early_warn_uninitialized): Compute post-dominators.
1743         Initialize always_executed before processing each basic block.
1744
1745 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1746
1747         PR target/35504
1748         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1749         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1750
1751 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1752
1753         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1754
1755 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1756
1757         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1758         is true.
1759         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1760         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1761         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1762         target after ignore has been set, and move there also the commputation
1763         of subtarget and original_target.
1764         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1765         (LANG_HOOKS_INITIALIZER): Remove it.
1766         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1767
1768 2008-03-18  Richard Guenther  <rguenther@suse.de>
1769
1770         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1771         found an expression with constants, note that in the VN for the lhs.
1772         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1773         fold them to constants if possible.  Run cleanup_cfg if done so.
1774         (execute_pre): Return todo.
1775         (do_pre): Likewise.
1776         (execute_fre): Likewise.
1777         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1778         of constants.
1779         (get_prop_source_stmt): Look through pointer conversions.
1780
1781 2008-03-18  Jan Hubicka  <jh@suse.cz>
1782
1783         * tree-pretty-print.c: Include predict.h.
1784         (dump_generic_node): Dump predictor.
1785         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1786         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1787         * gimple-low.c (lower_stmt): Likewise.
1788         * expr.c (expand_expr_real): Likewise.
1789         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1790         them.
1791         (build_predict_expr, build_predict_expr): New.
1792         * predict.h (predictor_name, build_predict_expr): Update.
1793         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1794         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1795         * predict.def (PRED_CONTINUE): Update hitrate.
1796         * tree.def (PREDICT_EXPR): Define.
1797         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1798         do not handle BIND_EXPR.
1799         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1800         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1801         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1802         operands.
1803
1804 2008-03-18  Michael Matz  <matz@suse.de>
1805
1806         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1807
1808 2008-03-18  Richard Guenther  <rguenther@suse.de>
1809
1810         * tree-gimple.h (is_gimple_invariant_address): Declare.
1811         (is_gimple_constant): Likewise.
1812         * tree-gimple.c (is_gimple_constant): New function.
1813         (is_gimple_invariant_address): Likewise.
1814         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1815         and is_gimple_invariant_address.
1816         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1817         previous change.
1818         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1819         an addressable base.
1820
1821 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1822
1823         PR middle-end/35611
1824         * gimplify.c (gimplify_expr): Gimplify second operand of
1825         OMP_ATOMIC_LOAD.
1826
1827 2008-03-17  Richard Guenther  <rguenther@suse.de>
1828
1829         PR tree-optimization/19637
1830         * fold-const.c (fold_unary): Remove restrictions of removing
1831         intermediate pointer-conversions (P2)(P1)P0.
1832         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1833         conversion to void pointer.
1834         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1835
1836 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1837
1838         PR debug/31510
1839         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1840         emulated thread local variables.
1841
1842 2008-03-16  Richard Guenther  <rguenther@suse.de>
1843
1844         PR middle-end/35607
1845         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1846         expand TREE_INVARIANT operations that are not gimple invariant.
1847
1848 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1849
1850         * doc/extend.texi (Alignment): Say that the ABI controls
1851         the __alignof__ for non-strict-alignment targets rather
1852         than being a recommendation.
1853
1854 2008-03-15  Paul Brook  <paul@codesourcery.com>
1855
1856         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1857         annotations.
1858         (arm_output_fn_unwind): Mark functions that can not be unwound.
1859
1860 2008-03-15  Paul Brook  <paul@codesourcery.com>
1861
1862         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1863         extension instructions.
1864
1865 2008-03-15  Richard Guenther  <rguenther@suse.de>
1866
1867         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1868         and fold constant aggregate refs.
1869         (fold_const_aggregate_ref): Handle string constants
1870         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1871         (evaluate_stmt): Simplify now that ccp_fold folds constant
1872         aggregate refs.
1873
1874 2008-03-15  Paul Brook  <paul@codesourcery.com>
1875
1876         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1877         (extzv): Use gen_extzv_t2.
1878         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1879
1880 2008-03-15  Richard Guenther  <rguenther@suse.de>
1881
1882         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1883         (fold_const_aggregate_ref): Likewise.
1884         (get_value): Return NULL if we don't have any values.
1885         (ccp_finalize): Set const_val to NULL after freeing it.
1886         * tree-flow.h (get_symbol_constant_value): Declare.
1887         (fold_const_aggregate_ref): Likewise.
1888         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1889
1890 2008-03-15  Richard Guenther  <rguenther@suse.de>
1891
1892         PR middle-end/35593
1893         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1894         to not produce negative array indices if not allowed.  Add
1895         parameter to indicate that.
1896         (maybe_fold_offset_to_component_ref): Allow negative array
1897         indices only for the first member of a structure.
1898         (maybe_fold_offset_to_reference): Allow negative array indices.
1899         (maybe_fold_stmt_addition): Likewise.
1900
1901 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1902             Anatoly Sokolov <aesok@post.ru>
1903
1904         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1905         (avr_arch): Add ARCH_AVR6.
1906         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1907         (initial_elimination_offset): Initialize and use 'avr_pc_size'
1908         instead of fixed value 2.
1909         (print_operand_address): Use gs() asm specifier instead of pm().
1910         (avr_assemble_integer): (Ditto.).
1911         (avr_output_addr_vec_elt): (Ditto.).
1912         (print_operand): Handle "!" code.
1913         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1914         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1915         (AVR_HAVE_EIJMP_EICALL): Define.
1916         (AVR_3_BYTE_PC): Redefine.
1917         (AVR_2_BYTE_PC): (Ditto.).
1918         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1919         (LINK_SPEC): Add atmega2560 and atmega2561.
1920         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1921         (crtm2561.o).
1922         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1923         for 3 byte PC devices.
1924         (call_value_insn): (Ditto.).
1925         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1926         (indirect_jump): Use only for for 2 byte PC devices.
1927         (*tablejump): (Ditto.).
1928         (*indirect_jump_avr6): Add insn.
1929         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1930         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1931         instead of ijmp for 3 byte PC devices.
1932         (__tablejump2__): (Ditto.).
1933         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1934         (MULITLIB_DIRNAMES): (Ditto.).
1935         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1936
1937 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1940         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1941         ("mmx_psadbw"): Use V1DI mode for operand 0.
1942         * config/i386/i386-modes.def (V1SI): New vector mode.
1943         * config/i386/i386.c (struct builtin_description)
1944         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1945         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1946         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1947         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1948         v1di_ftype_v8qi_v8qi type.
1949         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1950
1951         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1952         __builtin_ia32_pmuludq]: Fix the mode of return value.
1953
1954 2008-03-15  Richard Guenther  <rguenther@suse.de>
1955
1956         PR middle-end/35595
1957         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1958         being a PHI_NODE.
1959
1960 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1961
1962         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1963         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1964         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1965         unless TARGET_SERIALIZE_VOLATILE is enabled.
1966         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1967         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1968         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1969
1970 2008-03-14  Richard Guenther  <rguenther@suse.de>
1971
1972         PR tree-optimization/34172
1973         * tree-flow.h (refs_may_alias_p): Declare.
1974         (get_single_def_stmt): Likewise.
1975         (get_single_def_stmt_from_phi): Likewise.
1976         (get_single_def_stmt_with_phi): Likewise.
1977         * tree-dfa.c (refs_may_alias_p): New function.
1978         (get_single_def_stmt): Likewise.
1979         (get_single_def_stmt_from_phi): Likewise.
1980         (get_single_def_stmt_with_phi): Likewise.
1981         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1982         (vn_reference_lookup_1): New helper function.
1983         (vn_reference_lookup): Walk the virtual use-def chain to
1984         continue searching for a match if the def does not alias the
1985         reference we are looking for.
1986
1987 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1988
1989         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1990         archive and Perzl.  Update The Written Word listing.
1991
1992 2008-03-14  Richard Guenther  <rguenther@suse.de>
1993
1994         PR tree-optimization/34043
1995         PR tree-optimization/33989
1996         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1997         when doing FRE.
1998         (bitmap_find_leader): Use extra argument to verify dominance
1999         relationship inside a basic-block.
2000         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2001         (find_leader_in_sets): Adjust.
2002         (create_component_ref_by_pieces): Take extra argument for
2003         dominance check, handle lookup failures.
2004         (find_or_generate_expression): Likewise.
2005         (create_expression_by_pieces): Likewise.
2006         (insert_into_preds_of_block): Adjust.
2007         (create_value_expr_from): If asked for, verify all operands
2008         are in the blocks AVAIL_OUT set.
2009         (make_values_for_stmt): Check for SSA_NAMEs that are life
2010         over an abnormal edge.
2011         (compute_avail): Remove such check.
2012         (do_SCCVN_insertion): New function.
2013         (eliminate): If we do not find a leader suitable for replacement
2014         insert a replacement expression from SCCVN if available.
2015         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2016         (struct vn_ssa_aux): Add needs_insertion flag.
2017         * tree-ssa-sccvn.c (may_insert): New global flag.
2018         (copy_reference_ops_from_ref): Value-number union member access
2019         based on its size, not type and member if insertion is allowed.
2020         (visit_reference_op_load): For a weak match from union type
2021         punning lookup a view-converted value and insert a SSA_NAME
2022         for that value if that is not found.
2023         (visit_use): Make dumps shorter.  Do not disallow value numbering
2024         SSA_NAMEs that are life over an abnormal edge to constants.
2025         (free_scc_vn): Release inserted SSA_NAMEs.
2026         (run_scc_vn): New flag to specify whether insertion is allowed.
2027         Process SSA_NAMEs in forward order.
2028         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2029         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2030         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2031         pointer type to/from integral types that do not change the
2032         precision to regular conversions.
2033
2034 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2035
2036         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2037         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2038         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2039         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2040         input arguments and the mode of return value.  Built-in functions
2041         that operate on whole 64-bit MMX register now use V1DI mode.
2042
2043 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2044             Olga Golovanevsky  <olga@il.ibm.com>
2045
2046         PR tree-optimization/35041
2047         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2048         to locate the right position in a statement.
2049
2050 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2051
2052         PR target/34000
2053         PR target/35553
2054         * config/i386/xmmintrin.h:  Change all static inline functions to
2055         extern inline and add __gnu_inline__ attribute.
2056         * config/i386/bmintrin.h: Ditto.
2057         * config/i386/smmintrin.h: Ditto.
2058         * config/i386/tmmintrin.h: Ditto.
2059         * config/i386/mmintrin-common.h: Ditto.
2060         * config/i386/ammintrin.h: Ditto.
2061         * config/i386/emmintrin.h: Ditto.
2062         * config/i386/pmmintrin.h: Ditto.
2063         * config/i386/mmintrin.h: Ditto.
2064         * config/i386/mm3dnow.h: Ditto.
2065
2066 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2067
2068         PR middle-end/35185
2069         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2070         (lower_omp_2): New function.
2071         (lower_omp_1, lower_omp): Rewritten.
2072
2073 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2074
2075         PR 35054
2076         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2077         with the phrase "Microsoft Windows compilers".
2078         (Push/Pop Macro Pragmas): New subsection. Document
2079         #pragma push_macro and pragma pop_macro.
2080
2081 2008-03-12  Paul Brook  <paul@codesourcery.com>
2082
2083         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2084
2085 2008-03-12  Paul Brook  <paul@codesourcery.com>
2086
2087         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2088         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2089         (thumb2_addsi_shortim): Rename ...
2090         (thumb2_addsi_short): ... to this.  Allow register operands.
2091         (thumb2_subsi_short): New pattern.
2092         (thumb2_one_cmplsi2_short,
2093         thumb2_negsi2_short): New patterns and peepholes.
2094
2095 2008-03-12  Paul Brook  <paul@codesourcery.com>
2096
2097         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2098
2099 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2100
2101         * config/i386/i386.md (int_cond): New code iterator.
2102         (fp_cond): Ditto.
2103         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2104         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2105         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2106         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2107         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2108         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2109         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2110         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2111
2112 2008-03-12  Paul Brook  <paul@codesourcery.com>
2113
2114         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2115         instead of {arm,thumb}_compute_save_reg_mask.
2116         (output_return_instruction): Ditto.
2117         (thumb_unexpanded_epilogue): Ditto.
2118         (thumb1_expand_prologue): Ditto.
2119         (thumb1_output_function_prologue): Ditto.
2120         (arm_set_return_address): Ditto.
2121         (thumb_set_return_address): Ditto.
2122         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2123         regs to achieve stack alignment.
2124         (thumb1_compute_save_reg_mask): Fix compiler warning.
2125         (arm_output_epilogue): Use offsets->saved_regs_mask.
2126         Adjust stack pointer by poping call clobered registers.
2127         (arm_expand_prologue): Use offsets->saved_regs_mask.
2128         Adjust stack pointer by pushing extra registers.
2129         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2130
2131 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2132
2133         PR tree-opt/35422
2134         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2135         conversion to the operands of a multiplication.
2136
2137 2008-03-12  Richard Guenther  <rguenther@suse.de>
2138
2139         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2140         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2141         * timevar.def (TV_TREE_PHIPROP): Add.
2142         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2143         pass description.  Use TV_TREE_PHIPROP.
2144         * tree-ssa-forwprop.c: Remove phiprop code.
2145
2146 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2147
2148         PR middle-end/35549
2149         * omp-low.c (maybe_lookup_decl): Constify first argument.
2150         (use_pointer_for_field): Change last argument from bool to
2151         omp_context *.  Disallow shared copy-in/out in nested
2152         parallel if decl is shared in outer parallel too.
2153         (build_outer_var_ref, scan_sharing_clauses,
2154         lower_rec_input_clauses, lower_copyprivate_clauses,
2155         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2156
2157 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2158             Ira Rosen  <irar@il.ibm.com>
2159
2160         * tree-vectorizer.c (free_stmt_vec_info): New function.
2161         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2162         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2163         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2164         * tree-vect-transform.c (vectorizable_conversion): Free
2165         vec_oprnds0 if it was allocated.
2166         (vect_permute_store_chain): Remove unused VECs.
2167         (vectorizable_store): Free VECs that are allocated in the..
2168         function.
2169         (vect_transform_strided_load, vectorizable_load): Likewise.
2170         (vect_remove_stores): Simplify the code.
2171         (vect_transform_loop): Move code to vect_remove_stores().
2172         Call vect_remove_stores() and free_stmt_vec_info().
2173
2174 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2175
2176         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2177         TARGET_HPUX.  Revise comment.
2178         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2179         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2180         Use sr4 variant of `be' instruction when not generating PIC code.
2181         (attr_length_call): Adjust for above change.
2182
2183 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2184
2185         * ipa-reference.c (static_execute): Remove module_statics_const and
2186         associated setting code.
2187
2188 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2189
2190         PR target/35540
2191         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2192         predicate for operand 1.
2193         (paritysi2_cmp): Use register_operand predicate for operand 2.
2194         Use earlyclobber modifier for operand 1.  Remove support for
2195         memory operands.
2196         (paritydi2_cmp): Use register_operand predicate for operand 3.
2197         Use earlyclobber modifier for operand 1.  Remove support for
2198         memory operands.
2199
2200 2008-03-11  Paul Brook  <paul@codesourcery.com>
2201             Vladimir Prus  <vladimir@codesourcery.com>
2202
2203         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2204         (arm_compute_save_reg0_reg12_mask): Always
2205         check if register 11 must be saved.  Always safe hard frame pointer
2206         when frame_pointer_needeed.
2207         (arm_compute_save_reg_mask): Save IP and PC
2208         only with apcs frames.
2209         (arm_output_epilogue): Adjust Thumb2 codepath to
2210         be also invoked and work for ARM non-apcs frames.
2211         (arm_expand_prologue): Don't bother saving IP
2212         for non-apcs frame, since it's not clobbered by
2213         prologue code.  Implement non-apcs frame
2214         layout.
2215
2216 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2217
2218         PR rtl-optimization/35281
2219         * expr.c (convert_move): Use a new pseudo for the intermediate
2220         from_mode->word_mode result.
2221
2222 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2223
2224         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2225         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2226         * toplev.c (compile_file): Don't call it.
2227
2228 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2229
2230         PR middle-end/35526
2231         * expr.c (store_expr): Call emit_block_move if the mode
2232         of "temp" RTX is BLKmode.
2233
2234 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2235             Richard Guenther  <rguenther@suse.de>
2236
2237         PR tree-optimization/31358
2238         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2239         the step with a NULL_TREE.
2240         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2241         to sizetype if type is a pointer type.
2242         (add_candidate_1): Don't convert the base and step to
2243         the generic type if the orginal type is a pointer type.
2244         (add_iv_value_candidates): Use sizetype for the step
2245         if type is a pointer type.
2246         (cand_value_at): Likewise.
2247         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2248         for pointer types.
2249         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2250         Don't convert the tem affine to the type.
2251         (add_elt_to_tree): Use sizetype for the step if a pointer.
2252         Use POINTER_PLUS_EXPR for pointers.
2253         (aff_combination_to_tree): Use sizetype for the step if a
2254         pointer.
2255
2256 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2257
2258         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2259         Remove commutativity hint.
2260
2261 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2262
2263         PR c/35438
2264         PR c/35439
2265         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2266         errorneous type.  Check that v is a VAR_DECL.
2267
2268         PR middle-end/35099
2269         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2270
2271 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2272
2273         PR tree-optimization/35494
2274         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2275         may be overriden at link and run time.
2276
2277 2008-03-10  Richard Guenther  <rguenther@suse.de>
2278
2279         PR tree-optimization/34677
2280         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2281         (poolify_tree): Likewise.
2282         (modify_expr_template): Likewise.
2283         (poolify_modify_stmt): Likewise.
2284         (insert_fake_stores): Handle all component-ref style stores
2285         in addition to INDIRECT_REF.  Also handle complex types.
2286         Do not poolify the inserted load.
2287         (realify_fake_stores): Do not rebuild the tree but only
2288         make it a SSA_NAME copy.
2289         (init_pre): Remove initialzation of modify_expr_template.
2290         Do not allocate modify_expr_node_pool.
2291         (fini_pre): Do not free modify_expr_node_pool.
2292
2293 2008-03-10  Paul Brook  <paul@codesourcery.com>
2294
2295         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2296         to avoid conflicts.
2297
2298 2008-03-10  Paul Brook  <paul@codesourcery.com>
2299             Mark Shinwell  <shinwell@codesourcery.com>
2300
2301         * config/arm/cortex-r4.md: New.
2302         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2303         insn attributes.
2304         * config/arm/arm.md: Include cortex-r4.md.
2305         (insn): Add smmls, sdiv and udiv values.
2306         (generic_sched): Don't use generic scheduling for Cortex-R4.
2307         (arm_issue_rate): New function.
2308         (TARGET_SCHED_ISSUE_RATE): Define.
2309
2310 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2311
2312         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2313
2314 2008-03-10  Richard Guenther  <rguenther@suse.de>
2315
2316         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2317         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2318
2319 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2320
2321         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2322         Set default to true.
2323
2324 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2325
2326         * c.opt (Wsynth): Deprecate.
2327         * doc/invoke.texi (Option Summary, Warning Options): Document
2328         -Wno-format-contains-nul.
2329
2330 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2331
2332         PR target/35496
2333         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2334         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2335
2336 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2337
2338         * config/rs6000/rs6000.c (builtin_description): Rename vector
2339         left shift operations.
2340         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2341         (altivec_vsl<VI_char>): Rename to ...
2342         (ashl<mode>3): ... new name.
2343         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2344         gen_ashlv4si3.
2345         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2346
2347 2008-03-08  Richard Guenther  <rguenther@suse.de>
2348
2349         * coverage.h (tree_coverage_counter_addr): Declare.
2350         * coverage.c (tree_coverage_counter_addr): New function.
2351         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2352         before using again.
2353         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2354         (tree_gen_one_value_profiler): Likewise.
2355         (tree_gen_ic_profiler): Likewise.
2356         (tree_gen_average_profiler): Likewise.
2357         (tree_gen_ior_profiler): Likewise.
2358
2359 2008-03-08  Richard Guenther  <rguenther@suse.de>
2360
2361         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2362         (vn_binary_op_insert): Likewise.
2363         (vn_unary_op_lookup): Likewise.
2364         (vn_unary_op_insert): Likewise.
2365         (vn_nary_op_lookup): Declare.
2366         (vn_nary_op_insert): Likewise.
2367         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2368         and binary hashes, use a single obstack for unary_op_pool
2369         and binary_op_pool.
2370         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2371         a single struct vn_nary_op_s.  Store tree code length and
2372         a variable number of operands.
2373         (struct vn_reference_op_struct): Remove unused op2.
2374         (vn_reference_op_eq): Do not compare op2.
2375         (vn_reference_op_compute_hash): Do not compute hash of op2.
2376         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2377         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2378         with vn_nary_op_compute_hash.
2379         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2380         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2381         vn_nary_op_lookup.
2382         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2383         vn_nary_op_insert.
2384         (visit_unary_op): Call nary functions.
2385         (visit_binary_op): Likewise.
2386         (process_scc): Adjust for struct vn_tables_s changes.
2387         (allocate_vn_table): Likewise.
2388         (free_vn_table): Likewise.
2389         * tree-vn.c (vn_add): Call nary functions.
2390         (vn_lookup): Likewise.
2391
2392 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2393
2394         PR target/35498
2395         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2396         wdst back after sync_compare_and_swapqhi_internal.
2397
2398 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2399
2400         PR target/22152
2401         * config/i386/i386-modes.def (V1DI): New vector mode.
2402         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2403         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2404         (MMXMODE248): Ditto.
2405         (MMXMODE): Add V1DI mode.
2406         (mmxvecsize): Change DI mode to V1DI mode.
2407         ("mov<mode>): Use MMXMODEI8 mode iterator.
2408         ("*mov<mode>_internal_rex64"): Ditto.
2409         ("*mov<mode>_internal"): Ditto.
2410         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2411         ("mmx_sub<mode>3"): Ditto.
2412         ("mmx_adddi3"): Remove insn pattern.
2413         ("mmx_subdi3"): Ditto.
2414         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2415         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2416         ("mmx_ashl<mode>3"): Ditto.
2417         ("mmx_lshrdi3"): Remove insn pattern.
2418         ("mmx_ashldi3"): Ditto.
2419         * config/i386/i386.c (classify_argument): Handle V1DImode.
2420         (function_arg_advance_32): Ditto.
2421         (function_arg_32): Ditto.
2422         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2423         mmx_addv1di3 insn pattern.
2424         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2425         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2426         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2427         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2428         Remove definitions of built-in functions.
2429         (V1DI_type_node): New node.
2430         (v1di_ftype_v1di_int): Ditto.
2431         (v1di_ftype_v1di_v1di): Ditto.
2432         (v2si_ftype_v2si_si): Ditto.
2433         (v4hi_ftype_v4hi_di): Remove node.
2434         (v2si_ftype_v2si_di): Ditto.
2435         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2436         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2437         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2438         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2439         Add new builtins using def_builtin_const.
2440         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2441         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2442         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2443         * config/i386/mmintrin.h (__v1di): New typedef.
2444         (_mm_add_si64): Cast arguments to __v1di type.
2445         (_mm_sub_si64): Ditto.
2446         (_mm_sll_pi16): Cast __count to __v4hi type.
2447         (_mm_sll_pi32): Cast __count to __v2si type.
2448         (_mm_sll_si64): Cast arguments to __v1di type.
2449         (_mm_srl_pi16): Cast __count to __v4hi type.
2450         (_mm_srl_pi32): Cast __count to __v2si type.
2451         (_mm_srl_si64): Cast arguments to __v1di type.
2452         (_mm_sra_pi16): Cast __count to __v4hi type.
2453         (_mm_sra_pi32): Cast __count to __v2si type.
2454         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2455         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2456         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2457         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2458         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2459         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2460         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2461         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2462         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2463         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2464         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2465         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2466
2467 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2468
2469         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2470
2471 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2472
2473         PR target/35373
2474         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2475         reg+const addressing for Altivec modes.  Don't generate reg+reg
2476         addressing for TFmode or TDmode quantities.
2477
2478 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2479
2480         * c-common.c (vector_types_convertible_p): Call langhook
2481         instead of comptypes.
2482
2483 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2484
2485         PR tree-opt/35402
2486         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2487         integral and scalar float variables which have a
2488         NULL DECL_INITIAL.
2489
2490 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2491
2492         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2493         dwarf_register_span hook when emitting unwind information for
2494         register-to-memory saves.
2495         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2496         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2497
2498 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2499
2500         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2501         for the same VAR_DECL.
2502
2503 2008-03-06  Tom Tromey  <tromey@redhat.com>
2504
2505         * treelang: Delete.
2506         * doc/standards.texi (Standards): Don't mention treelang.
2507         * doc/invoke.texi (Overall Options): Don't mention treelang.
2508         * doc/install.texi (Prerequisites): Don't mention bison or
2509         treelang.
2510         (Configuration): Don't mention treelang.
2511         (Building): Likewise.
2512         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2513
2514 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2515
2516         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2517         word-extractions out of a multi-word object.
2518
2519 2008-03-06  Richard Guenther  <rguenther@suse.de>
2520
2521         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2522         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2523         result type and precision.
2524         * expr.c (get_inner_reference): Set unsignedp based on the result
2525         type of BIT_FIELD_REF.
2526         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2527         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2528         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2529         for BIT_FIELD_REF.
2530         (sra_build_assignment): Likewise.
2531         (sra_build_elt_assignment): Likewise.
2532         (sra_explode_bitfield_assignment): Likewise.
2533         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2534         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2535         set BIT_FIELD_REF_UNSIGNED.
2536         (vectorizable_load): Likewise.
2537
2538 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2539
2540         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2541         at bb start.
2542
2543 2008-03-06  Richard Guenther  <rguenther@suse.de>
2544
2545         * alias.c (struct alias_set_entry): Move has_zero_child field
2546         to pack with alias_set.
2547
2548 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2549
2550         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2551         32bit host.
2552
2553 2008-03-05  Ian Lance Taylor  <iant@google.com>
2554
2555         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2556
2557 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2558
2559         * fwprop.c (update_df): Support width and offset parameters of
2560         df_ref_create.
2561         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2562         global_conflicts): Change DF_REF_EXTRACT to either
2563         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2564         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2565         * df-scan.c (df_ref_record, df_defs_record,
2566         df_ref_create_structure, df_def_record_1, df_uses_record,
2567         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2568         df_bb_refs_collect, df_entry_block_defs_collect,
2569         df_exit_block_uses_collect): Support new width and offset fields.
2570         (ref_extract_pool): New storage pool.
2571         (df_free_ref): New function.
2572         (df_reg_chain_unlink, df_free_collection_rec,
2573         df_sort_and_compress_refs): Call df_free_ref.
2574         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2575         of df_ref_extract.
2576         (df_ref_create_structure): Allocate df_ref_extract if offset and
2577         width fields are used.
2578         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2579         (df_uses_record): Get offset and width from ZERO_EXTRACT
2580         and SIGN_EXTRACT.
2581         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2582         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2583         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2584         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2585         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2586         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2587         (df_ref_extract): New structure.
2588         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2589         (df_ref_create): Add width and offset parameters.
2590
2591 2008-03-05  Richard Guenther  <rguenther@suse.de>
2592
2593         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2594         Use ranges_overlap_p.
2595         (offset_overlaps_with_access): Rename
2596         to ranges_overlap_p and move ...
2597         * tree-flow-inline.h (ranges_overlap_p): ... here.
2598
2599         * tree.h (get_inner_reference, handled_component_p): Update
2600         comments.
2601
2602         * tree.h (record_component_aliases, get_alias_set,
2603         alias_sets_conflict_p, alias_sets_must_conflict_p,
2604         objects_must_conflict_p): Move declarations ...
2605         * alias.h (record_component_aliases, get_alias_set,
2606         alias_sets_conflict_p, alias_sets_must_conflict_p,
2607         objects_must_conflict_p): ... here.
2608         Include coretypes.h.
2609         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2610
2611 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2612
2613         * cfg.c: Include tree-flow.h.
2614         (remove_edge_raw): Call redirect_edge_var_map_clear.
2615         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2616         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2617         (redirect_edge_var_map_result): New.
2618         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2619         PENDING_STMT use with redirect_edge_var_map_*.
2620         * tree-ssa.c (edge_var_maps): New definition.
2621         (redirect_edge_var_map_add): New.
2622         (redirect_edge_var_map_clear): New.
2623         (redirect_edge_var_map_dup): New.
2624         (redirect_edge_var_map_vector): New.
2625         (redirect_edge_var_map_destroy): New.
2626         (ssa_redirect_edge): Replace PENDING_STMT use with
2627         redirect_edge_var_map_*.
2628         (flush_pending_stmts): Same.
2629         (delete_tree_ssa): Destroy edge var map.
2630         * tree-flow.h (struct _edge_var_map): New.
2631         Define edge_var_map vector type.
2632         Declare redirect_edge_var_map_* prototypes.
2633         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2634         * tree-cfg.c (reinstall_phi_args): Replace
2635         PENDING_STMT use with redirect_edge_var_map_*.
2636
2637 2008-03-05  Richard Guenther  <rguenther@suse.de>
2638
2639         PR tree-optimization/35472
2640         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2641         whose single use_stmt has a overlapping set of loaded and
2642         stored symbols as that use_stmt might be a noop assignment then.
2643
2644 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2645
2646         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2647
2648 2008-03-05  Richard Guenther  <rguenther@suse.de>
2649
2650         PR c++/35336
2651         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2652         should be constants.
2653         * tree-cfg.c (verify_expr): Verify it.
2654         * fold-const.c (fold_truthop): Remove code generating
2655         BIT_FIELD_REFs of structure bases.
2656         (fold_binary): Likewise.
2657         (fold_ternary): Position and size of BIT_FIELD_REFs are
2658         always host integers.
2659         (make_bit_field_ref): Remove.
2660         (optimize_bit_field_compare): Remove.
2661         (all_ones_mask_p): Remove.
2662
2663 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2664
2665         PR gcc/33009
2666         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2667         (split_block_and_df_analyze): New. Split basic block and rebuild
2668         dataflow.
2669         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2670         SPLIT_BLOCK.
2671         (split_pattern_seq): Likewise.
2672         (erase_matching_seqs): Likewise.
2673         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2674
2675 2008-03-04  Geoff Keating  <geoffk@apple.com>
2676
2677         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2678         declaration and code.
2679         (tree_invalid_nonnegative_warnv_p): Likewise.
2680
2681 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2682
2683         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2684         examples.  Truncate option-names then causing overfull hbox.
2685
2686 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2687
2688         PR target/35222
2689         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2690         on hpux10.
2691         * configure: Rebuilt.
2692
2693 2008-03-04  Rafael Espindola  <espindola@google.com>
2694
2695         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2696         (tree_unary_nonnegative_warnv_p): New.
2697         (tree_binary_nonnegative_warnv_p): New.
2698         (tree_single_nonnegative_warnv_p): New.
2699         (tree_invalid_nonnegative_warnv_p): New.
2700         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2701
2702 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2703
2704         PR 28322
2705         * opts.c (handle_option): Postpone 'unknown option' errors only for
2706         warning options.
2707
2708 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2709
2710         PR target/35453
2711         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2712         (_SIDD_XXX): This.
2713
2714 2008-03-04  Rafael Espindola  <espindola@google.com>
2715
2716         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2717         (tree_binary_nonzero_warnv_p): New.
2718         (tree_single_nonzero_warnv_p): New.
2719         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2720
2721 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2722
2723         PR middle-end/35456
2724         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2725         transformations for modes that have signed zeros.
2726         * ifcvt.c (noce_try_abs): Ditto.
2727
2728 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2729
2730         * config/i386/i386.c (override_options): Force
2731         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2732
2733 2008-03-04  Jan Hubicka  <jh@suse.cz>
2734
2735         PR c++/35262
2736         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2737         in last commit.
2738
2739 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2740
2741         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2742         label to probe the stack.
2743
2744 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2745
2746         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2747         (__gthr_win32_mutex_destroy): Declare.
2748         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2749         __gthr_win32_mutex_destroy.
2750         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2751
2752 2008-03-03  Jan Hubicka  <jh@suse.cz>
2753
2754         PR c++/35262
2755         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2756         aggressive on inlining cold calls.
2757
2758 2008-03-03  Richard Guenther  <rguenther@suse.de>
2759
2760         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2761         struct copies into the expression table.
2762         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2763         (try_to_simplify): Likewise.
2764         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2765         integral and pointer arguments which do not change the
2766         precision to NOP_EXPRs.
2767         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2768         VIEW_CONVERT_EXPR case.
2769
2770 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2771
2772         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2773         defined in a loop at depth 0 is invariant.
2774         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2775         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2776         be called at loop depth 0.
2777
2778 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2779
2780         PR driver/35420
2781         * gcc.c (process_command): Update copyright notice dates.
2782         * gcov.c (print_version): Likewise.
2783         * gcov-dump.c (print_version): Likewise.
2784         * mips-tfile.c (main): Likewise.
2785         * mips-tdump.c (main): Likewise.
2786
2787 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2788
2789         PR 24924
2790         * c-common.c (flag_permissive): Delete.
2791         (constant_expression_warnings): Check flags first.
2792         (constant_expression_error): New.
2793         * c-common.h (flag_permissive): Delete.
2794         (constant_expression_error): Declare.
2795         * flags.h (flag_permissive): Declare. Update description.
2796         * diagnostic.c (pedwarn): Update.
2797         (permerror): New.
2798         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2799         (permissive_error_kind): New.
2800         * toplev.c (flag_permissive): Define. Update description.
2801         * toplev.h (permissive_error_kind): Declare.
2802         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2803         (pedwarn_c90): Use pedantic_warning_kind.
2804         * c-opts.c (c_common_post_options): flag_permissive does not affect
2805         flag_pedantic_errors.
2806
2807 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2808
2809         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2810         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2811         __absvsi2, __absvDI2): Use unsigned arithmetic.
2812
2813 2008-03-02  Andi Kleen  <ak@suse.de>
2814             Richard Guenther  <rguenther@suse.de>
2815
2816         * struct-equiv.c: Remove file.
2817         * cfg_cleanup.c (condjump_equiv_p): Remove.
2818         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2819         (struct-equiv.o): Remove rule.
2820         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2821         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2822         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2823
2824 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2825
2826         * ifcvt.c (noce_process_if_block): Try to handle only the then
2827         block if the else block exists but isn't suitable.
2828
2829 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2830
2831         PR gcc/35063
2832         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2833         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2834         regression from previous patch.
2835
2836 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2837
2838         PR gcc/35063
2839         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2840         implemented.
2841         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2842         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2843         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2844         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2845         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2846         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2847         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2848         (__gthread_mutex_destroy_function): Rename to
2849         __gthread_mutex_destroy.
2850         * gthr-dce.h (__gthread_mutex_destroy): Call
2851         pthread_mutex_destroy.
2852         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2853         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2854         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2855
2856 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2857
2858         * df-scan.c (df_ref_chain_change_bb): Simplify.
2859         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2860         set_block_for_insn if there's any change.
2861         * df.h ((df_insn_change_bb): Fix prototype.
2862         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2863         df_insn_change_bb, don't call set_block_for_insn.
2864         * emit-rtl.c (reorder_insns): Likewise.
2865         * haifa-sched.c (move_insn): Likewise.
2866
2867 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2868
2869         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2870
2871 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2872
2873         * tree-flow-inline.h (next_readonly_imm_use): Return
2874         NULL_USE_OPERAND_P after the end.
2875
2876 2008-03-01  Richard Guenther  <rguenther@suse.de>
2877
2878         PR tree-optimization/35411
2879         * tree-sra.c (sra_build_assignment): Split conversion to
2880         final type to a separate statement if we are not assigning
2881         to a register.
2882
2883 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2884
2885         * fold-const.c (fold_convertible_p): Correct the logic to follow
2886         that in fold_convert().
2887
2888 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2889
2890         PR c++/35315
2891         * tree-inline.c (build_duplicate_type): When we make a
2892         duplicate type, make it unique in the canonical types system.
2893
2894 2008-02-29  Tom Tromey  <tromey@redhat.com>
2895
2896         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2897         input_file_stack_history, input_file_stack_restored): Remove.
2898         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2899         * input.h (struct file_stack): Remove.
2900         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2901         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2902         Likewise.
2903         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2904         type.
2905         (diagnostic_last_module_changed): Add 'map' argument.
2906         (diagnostic_set_last_function): Likewise.
2907         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2908         line map, not input_file_stack.
2909         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2910
2911 2008-02-29  Paul Brook  <paul@codesourcery.com>
2912
2913         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2914
2915 2008-02-29  Paul Brook  <paul@codesourcery.com>
2916
2917         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2918
2919 2008-02-29  Richard Guenther  <rguenther@suse.de>
2920
2921         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2922         vn_lookup_or_add.
2923         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2924         value for comparing for a store match.
2925         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2926         (try_to_simplify): Do not do a full-blown reference lookup.
2927
2928 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2929
2930         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2931         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2932
2933         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2934
2935 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2936
2937         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2938         strides against cache sizes.
2939
2940 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2941
2942         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2943         constant to fpul.
2944
2945 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2946
2947         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2948         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2949         is smaller than the original promoted value.
2950         (simplify_subreg): If OP is a SUBREG, try to preserve its
2951         SUBREG_PROMOTED_VAR_P information.
2952
2953 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2954
2955         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2956         (VN_INFO_GET): Allocate new objects on the obstack.
2957         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2958         for rpo_numbers_temp, for consistency.
2959         (free_scc_vn): Free the obstack.
2960
2961 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2962
2963         * doc/invoke.texi: Document -ftree-loop-distribution.
2964         * tree-loop-distribution.c: New.
2965         * tree-pass.h (pass_loop_distribution): New.
2966         * graphds.h (struct graph): Add htab_t indices.
2967         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2968         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2969         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2970         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2971         * tree-data-ref.c (debug_data_dependence_relations): New.
2972         (dump_data_dependence_relation): Also print data references.
2973         (free_data_ref): Extern.
2974         (same_access_functions): Moved...
2975         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2976         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2977         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2978         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2979         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2980         (stmts_from_loop): Skip LABEL_EXPR.
2981         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2982         New.
2983         (build_rdg): Initialize rdg->indices htab.
2984         (free_rdg, stores_from_loop, ref_base_address,
2985         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2986         have_similar_memory_accesses_1, ref_base_address_1,
2987         remove_similar_memory_refs): New.
2988         * tree-data-ref.h: Depend on tree-chrec.h.
2989         (debug_data_dependence_relations, free_data_ref): Declared.
2990         (same_access_functions): ... here.
2991         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2992         New.
2993         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2994         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2995         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2996         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2997         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2998         rdg_vertex_for_stmt): Declared.
2999         (struct rdg_edge): Add level.
3000         (RDGE_LEVEL): New.
3001         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3002         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3003         Declared.
3004         (rdg_has_similar_memory_accesses): New.
3005         * tree-vect-analyze.c: Remove unused static decls.
3006         * lambda.h (dependence_level): New.
3007         * common.opt (ftree-loop-distribution): New.
3008         * tree-flow.h (mark_virtual_ops_in_bb,
3009         slpeel_tree_duplicate_loop_to_edge_cfg,
3010         rename_variables_in_loop): Declared.
3011         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3012         (OBJS-common): Add tree-loop-distribution.o.
3013         (tree-loop-distribution.o): New rule.
3014         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3015         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3016         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3017
3018 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3019
3020         PR target/33963
3021         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3022         other than structures and unions.
3023
3024 2008-02-28  Richard Guenther  <rguenther@suse.de>
3025
3026         Revert:
3027         2008-02-26  Richard Guenther  <rguenther@suse.de>
3028
3029         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3030         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3031         (lookup_decl_from_uid): Declare.
3032         (remove_decl_from_map): Likewise.
3033         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3034         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3035         (decl_for_uid_map): New global hashtable mapping DECL_UID
3036         to the decl tree.
3037         (init_ttree): Allocate it.
3038         (insert_decl_to_uid_decl_map): New helper function.
3039         (make_node_stat): Insert new decls into the map.
3040         (copy_node_stat): Likewise.
3041         (lookup_decl_from_uid): New function.
3042         (remove_decl_from_map): Likewise.
3043         (print_decl_for_uid_map_statistics): New helper.
3044         (dump_tree_statistics): Call it.
3045
3046         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3047         (referenced_var_iterator): Adjust.
3048         (FOR_EACH_REFERENCED_VAR): Adjust.
3049         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3050         (num_referenced_vars): Adjust.
3051         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3052         (first_referenced_var): Remove.
3053         (end_referenced_vars_p): Likewise.
3054         (next_referenced_var): Likewise.
3055         (referenced_var_iterator_set): New helper function.
3056         * tree-dfa.c (referenced_var_lookup): Adjust.
3057         (referenced_var_check_and_insert): Likewise.
3058         (remove_referenced_var): Likewise.
3059         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3060         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3061         (verify_call_clobbering): Likewise.
3062         (verify_memory_partitions): Likewise.
3063         (init_tree_ssa): Allocate bitmap instead of hashtable for
3064         referenced_vars.
3065         (delete_tree_ssa): Adjust.
3066         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3067         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3068         (compute_tag_properties): Likewise.
3069         (set_initial_properties): Likewise.
3070         (find_partition_for): Likewise.
3071         (update_reference_counts): Likewise.
3072         (dump_may_aliases_for): Likewise.
3073         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3074         (add_call_clobber_ops): Likewise.
3075         (add_call_read_ops): Likewise.
3076         (get_asm_expr_operands): Likewise.
3077         * tree-into-ssa.c (dump_decl_set): Likewise.
3078         (update_ssa): Likewise.
3079         * tree-sra.c (scan_function): Likewise.
3080         (decide_instantiations): Likewise.
3081         (scalarize_parms): Likewise.
3082         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3083         (dsa_named_for): Likewise.
3084         * tree-ssa-structalias.c (update_alias_info): Likewise.
3085         (merge_smts_into): Likewise.
3086
3087 2008-02-27  David Daney  <ddaney@avtrex.com>
3088
3089         PR target/34409
3090         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3091         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3092         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3093         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3094         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3095
3096 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3097
3098         PR target/25477
3099         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3100         (BUILT_IN_NEXTTOWARD): Remove.
3101         (BUILT_IN_NEXTTOWARDF): Ditto.
3102         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3103         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3104
3105 2008-02-27  Tom Tromey  <tromey@redhat.com>
3106
3107         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3108         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3109
3110 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3111
3112         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3113         update the respective field on newdecl.
3114
3115 2008-02-27  Revital Eres  <eres@il.ibm.com>
3116
3117         PR rtl-optimization/34999
3118         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3119         crossing edges that ends with a call insn.
3120         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3121         call insn and clear the EDGE_CROSSING flag of the crossing edge
3122         when fixing fallthru edges.
3123
3124 2008-02-27  Richard Guenther  <rguenther@suse.de>
3125
3126         PR middle-end/35390
3127         * fold-const.c (fold_unary): Return the correct argument,
3128         converted to the result type.
3129
3130 2008-02-27  Richard Guenther  <rguenther@suse.de>
3131
3132         PR middle-end/34971
3133         * expr.c (expand_expr_real_1): Assert on rotates that operate
3134         on partial modes.
3135         * fold-const.c (fold_binary): Use the types precision, not the
3136         bitsize of the mode if folding rotate expressions.  Build rotates
3137         only for full modes.
3138
3139 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3140
3141         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3142         and CPP_PRAGMA_EOL.
3143         * c-pragma.c (pragma_ns_name): New typedef.
3144         (registered_pp_pragmas): New variable.
3145         (c_pp_lookup_pragma): New function.
3146         (c_register_pragma_1): If flag_preprocess_only, do nothing
3147         for non-expanded pragmas, for expanded ones push pragma's
3148         namespace and name into registered_pp_pragmas vector.
3149         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3150         flag_preprocess_only, don't register GCC pch_preprocess
3151         pragma if flag_preprocess_only.
3152         * c-opts.c (c_common_init): Call init_pragma even if
3153         flag_preprocess_only.
3154         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3155         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3156         cpp_register_pragma if flag_preprocess_only.
3157
3158 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3159
3160         PR c/28800
3161         * c-parser.c (c_parser_translation_unit): Warn for empty
3162         translation unit, not empty source file.
3163
3164 2008-02-26  Paul Brook  <paul@codesourcery.com>
3165
3166         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3167         operand for Thumb-2.
3168         * config/arm/arm.h (reg_class): Add CORE_REGS.
3169         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3170         (BASE_REG_CLASS): Use CORE_REGS.
3171         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3172         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3173         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3174         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3175         ARM_REGNO_OK_FOR_INDEX_P.
3176         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3177         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3178         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3179         (ldm/stm peepholes): Ditto.
3180         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3181         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3182         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3183         * config/arm/constraints.md: Enable "k" constraint on ARM.
3184
3185 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3186
3187         * config/rs6000/rs6000.c: Annotate cache line size field in all
3188         instances of struct processor_costs.
3189
3190 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3191
3192         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3193         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3194         jump_bypass): New counters.
3195         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3196         * dce.c (gate_ud_dce): Same.
3197         (gate_fast_dce): Same.
3198         * dse.c (gate_dse1): New function.
3199         (gate_dse2): New function.
3200         (gate_dse): Merge results of new gate functions.
3201         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3202         (gate_handle_jump_bypass): Add dbg_cnt.
3203         (gate_handle_gcse): Add dbg_cnt.
3204         * ifcvt.c (gate_handle_if_conversion): Same.
3205         (gate_handle_if_after_combine): Same.
3206         (gate_handle_if_after_reload): Same.
3207         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3208
3209 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3210
3211         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3212         line sizes.
3213         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3214
3215 2008-02-26  Jason Merrill  <jason@redhat.com>
3216
3217         PR c++/35315
3218         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3219         alone if it's the naming decl for the type's main variant.
3220
3221 2008-02-26  Tom Tromey  <tromey@redhat.com>
3222
3223         * system.h (USE_MAPPED_LOCATION): Poison.
3224         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3225         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3226         (make_goto_expr_edges): Likewise.
3227         (remove_bb): Likewise.
3228         (execute_warn_function_return): Likewise.
3229         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3230         location_t.
3231         * c-common.c (fname_decl): Remove old location code.
3232         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3233         location code.
3234         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3235         variant.
3236         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3237         (gen_rtx_ASM_INPUT): Likewise.
3238         (gen_rtx_ASM_INPUT_loc): Likewise.
3239         (get_rtx_asm_OPERANDS): Remove.
3240         * cfglayout.c (insn_locators_alloc): Remove old location code.
3241         (set_curr_insn_source_location): Likewise.
3242         (curr_insn_locator): Likewise.
3243         * print-tree.c (print_node): Remove old location code.
3244         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3245         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3246         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3247         location_from_locus.
3248         (construct_exit_block): Remove old location code.
3249         * emit-rtl.c (force_next_line_note): Remove old location code.
3250         * profile.c (branch_prob): Remove old location code.
3251         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3252         LOC_LINE): Remove old-location variants.
3253         * langhooks.c (lhd_print_error_function): Remove old location
3254         code.
3255         * configure, config.in: Rebuilt.
3256         * configure.ac (--enable-mapped-location): Remove.
3257         * c-decl.c (c_init_decl_processing): Remove old location code.
3258         (finish_function): Likewise.
3259         * recog.c (decode_asm_operands): Remove old location code.
3260         * c-pch.c (c_common_read_pch): Remove old location code.
3261         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3262         variants.
3263         * gimple-low.c (lower_function_body): Remove old location code.
3264         * toplev.c (unknown_location): Remove.
3265         (push_srcloc): Remove old-location variant.
3266         (process_options): Remove old location code.
3267         (lang_dependent_init): Likewise.
3268         * input.h (UNKNOWN_LOCATION): Move definition.
3269         (location_t): Undeprecate.
3270         (source_locus): Remove.
3271         (location_from_locus): Remove.
3272         (struct location_s): Remove.
3273         Remove all old-location code.
3274         (input_line, input_filename): Remove.
3275         * final.c (final_scan_insn): Remove old location code.
3276         * diagnostic.c (diagnostic_build_prefix): Remove
3277         USE_MAPPED_LOCATION test.
3278         * tree.h (gimple_stmt) <locus>: Now a location_t.
3279         (tree_exp) <locus>: Likewise.
3280         (DECL_IS_BUILTIN): Remove old-location variant.
3281         (annotate_with_file_line, annotate_with_locus): Likewise.
3282         (expr_locus, set_expr_locus): Update.
3283         * tree.c (build1_stat): Remove old location code.
3284         (last_annotated_node): Remove.
3285         (annotate_with_file_line): Remove old-location variant.
3286         (annotate_with_locus): Likewise.
3287         (expr_location): Remove old location code.
3288         (set_expr_location): Likewise.
3289         (expr_has_location): Likewise.
3290         (expr_locus): Likewise.
3291         (set_expr_locus): Likewise.
3292         (expr_filename): Don't use location_from_locus.
3293         (expr_lineno): Likewise.
3294         * rtl-error.c (location_for_asm): Remove old location code.
3295         * c-lex.c (cb_line_change): Remove old location code.
3296         (fe_file_change): Likewise.
3297         (cb_def_pragma): Likewise.
3298         (c_lex_with_flags): Likewise.
3299         * gengtype.c (do_typedef): Don't special-case location types.
3300         (define_location_structures): Remove.
3301         (main): Don't call define_location_structures.
3302         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3303         code.
3304
3305 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3306
3307         PR 26264
3308         * builtins.def (BUILT_IN_STDARG_START): Remove.
3309         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3310         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3311         * tree-inline.c (inline_forbidden_p_1): Likewise.
3312
3313 2008-02-26  Richard Guenther  <rguenther@suse.de>
3314
3315         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3316         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3317         (lookup_decl_from_uid): Declare.
3318         (remove_decl_from_map): Likewise.
3319         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3320         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3321         (decl_for_uid_map): New global hashtable mapping DECL_UID
3322         to the decl tree.
3323         (init_ttree): Allocate it.
3324         (insert_decl_to_uid_decl_map): New helper function.
3325         (make_node_stat): Insert new decls into the map.
3326         (copy_node_stat): Likewise.
3327         (lookup_decl_from_uid): New function.
3328         (remove_decl_from_map): Likewise.
3329         (print_decl_for_uid_map_statistics): New helper.
3330         (dump_tree_statistics): Call it.
3331
3332         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3333         (referenced_var_iterator): Adjust.
3334         (FOR_EACH_REFERENCED_VAR): Adjust.
3335         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3336         (num_referenced_vars): Adjust.
3337         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3338         (first_referenced_var): Remove.
3339         (end_referenced_vars_p): Likewise.
3340         (next_referenced_var): Likewise.
3341         (referenced_var_iterator_set): New helper function.
3342         * tree-dfa.c (referenced_var_lookup): Adjust.
3343         (referenced_var_check_and_insert): Likewise.
3344         (remove_referenced_var): Likewise.
3345         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3346         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3347         (verify_call_clobbering): Likewise.
3348         (verify_memory_partitions): Likewise.
3349         (init_tree_ssa): Allocate bitmap instead of hashtable for
3350         referenced_vars.
3351         (delete_tree_ssa): Adjust.
3352         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3353         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3354         (compute_tag_properties): Likewise.
3355         (set_initial_properties): Likewise.
3356         (find_partition_for): Likewise.
3357         (update_reference_counts): Likewise.
3358         (dump_may_aliases_for): Likewise.
3359         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3360         (add_call_clobber_ops): Likewise.
3361         (add_call_read_ops): Likewise.
3362         (get_asm_expr_operands): Likewise.
3363         * tree-into-ssa.c (dump_decl_set): Likewise.
3364         (update_ssa): Likewise.
3365         * tree-sra.c (scan_function): Likewise.
3366         (decide_instantiations): Likewise.
3367         (scalarize_parms): Likewise.
3368         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3369         (dsa_named_for): Likewise.
3370         * tree-ssa-structalias.c (update_alias_info): Likewise.
3371         (merge_smts_into): Likewise.
3372
3373 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3374
3375         PR 34351
3376         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3377         * c-opts.c (c_common_handle_option): Wall enables
3378         Wvolatile-register-var.
3379         * common.opt: Move Wvolatile-register-var to...
3380         * c.opt: ...here.
3381
3382 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3383
3384         * common.opt (Wlarger-than=): New.
3385         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3386         -Wlarger-than=.
3387         * opts.c (common_handle_option): Handle -Wlarger-than=.
3388         * optc-gen.awk: Likewise.
3389         * opth-gen.awk: Likewise.
3390         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3391         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3392
3393 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3394
3395         * c-common.c (match_case_to_enum_1): Add appropriate
3396         OPT_W* parameter to warning.
3397         (c_do_switch_warnings): Likewise.
3398         * c-typeck.c (warning_init): Add one more parameter following
3399         'warning' function.
3400         (push_init_level): Update call to warning_init.
3401         (pop_init_level): Likewise.
3402         (add_pending_init): Likewise.
3403         (output_init_element: Likewise.
3404
3405 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3406
3407         PR 28322
3408         * toplev.c (toplev_main): If there are warnings or error, print
3409         errors for ignored options.
3410         * opts.c (ignored_options): New static variable.
3411         (postpone_unknown_option_error): New.
3412         (print_ignored_options): New.
3413         (handle_option): Postpone errors for unknown -Wno-* options.
3414         * opts.h (print_ignored_options): Declare.
3415
3416 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3417
3418         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3419         to "ghost".
3420
3421 2008-02-25  Richard Guenther  <rguenther@suse.de>
3422
3423         Revert:
3424         2008-02-25  Richard Guenther  <rguenther@suse.de>
3425
3426         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3427         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3428         (lookup_decl_from_uid): Declare.
3429         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3430         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3431         (decl_for_uid_map): New global hashtable mapping DECL_UID
3432         to the decl tree.
3433         (init_ttree): Allocate it.
3434         (insert_decl_to_uid_decl_map): New helper function.
3435         (make_node_stat): Insert new decls into the map.
3436         (copy_node_stat): Likewise.
3437         (lookup_decl_from_uid): New function.
3438         (print_decl_for_uid_map_statistics): New helper.
3439         (dump_tree_statistics): Call it.
3440
3441         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3442         (referenced_var_iterator): Adjust.
3443         (FOR_EACH_REFERENCED_VAR): Adjust.
3444         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3445         (num_referenced_vars): Adjust.
3446         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3447         (first_referenced_var): Remove.
3448         (end_referenced_vars_p): Likewise.
3449         (next_referenced_var): Likewise.
3450         (referenced_var_iterator_set): New helper function.
3451         * tree-dfa.c (referenced_var_lookup): Adjust.
3452         (referenced_var_check_and_insert): Likewise.
3453         (remove_referenced_var): Likewise.
3454         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3455         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3456         (verify_call_clobbering): Likewise.
3457         (verify_memory_partitions): Likewise.
3458         (init_tree_ssa): Allocate bitmap instead of hashtable for
3459         referenced_vars.
3460         (delete_tree_ssa): Adjust.
3461         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3462         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3463         (compute_tag_properties): Likewise.
3464         (set_initial_properties): Likewise.
3465         (find_partition_for): Likewise.
3466         (update_reference_counts): Likewise.
3467         (dump_may_aliases_for): Likewise.
3468         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3469         (add_call_clobber_ops): Likewise.
3470         (add_call_read_ops): Likewise.
3471         (get_asm_expr_operands): Likewise.
3472         * tree-into-ssa.c (dump_decl_set): Likewise.
3473         (update_ssa): Likewise.
3474         * tree-sra.c (scan_function): Likewise.
3475         (decide_instantiations): Likewise.
3476         (scalarize_parms): Likewise.
3477         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3478         (dsa_named_for): Likewise.
3479         * tree-ssa-structalias.c (update_alias_info): Likewise.
3480         (merge_smts_into): Likewise.
3481
3482 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3483
3484         PR fortran/29549
3485         * doc/invoke.texi (-fcx-limited-range): Document new option.
3486         * toplev.c (process_options): Handle -fcx-fortran-rules.
3487         * common.opt: Add documentation for -fcx-fortran-rules.
3488
3489 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3490
3491         PR c/35162
3492         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3493         actual behaviour and C99.
3494
3495 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3496
3497         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3498         (ASM_CPU_POWER6_SPEC): Likewise.
3499         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3500         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3501         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3502
3503 2008-02-25  Richard Guenther  <rguenther@suse.de>
3504
3505         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3506         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3507         (lookup_decl_from_uid): Declare.
3508         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3509         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3510         (decl_for_uid_map): New global hashtable mapping DECL_UID
3511         to the decl tree.
3512         (init_ttree): Allocate it.
3513         (insert_decl_to_uid_decl_map): New helper function.
3514         (make_node_stat): Insert new decls into the map.
3515         (copy_node_stat): Likewise.
3516         (lookup_decl_from_uid): New function.
3517         (print_decl_for_uid_map_statistics): New helper.
3518         (dump_tree_statistics): Call it.
3519
3520         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3521         (referenced_var_iterator): Adjust.
3522         (FOR_EACH_REFERENCED_VAR): Adjust.
3523         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3524         (num_referenced_vars): Adjust.
3525         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3526         (first_referenced_var): Remove.
3527         (end_referenced_vars_p): Likewise.
3528         (next_referenced_var): Likewise.
3529         (referenced_var_iterator_set): New helper function.
3530         * tree-dfa.c (referenced_var_lookup): Adjust.
3531         (referenced_var_check_and_insert): Likewise.
3532         (remove_referenced_var): Likewise.
3533         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3534         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3535         (verify_call_clobbering): Likewise.
3536         (verify_memory_partitions): Likewise.
3537         (init_tree_ssa): Allocate bitmap instead of hashtable for
3538         referenced_vars.
3539         (delete_tree_ssa): Adjust.
3540         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3541         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3542         (compute_tag_properties): Likewise.
3543         (set_initial_properties): Likewise.
3544         (find_partition_for): Likewise.
3545         (update_reference_counts): Likewise.
3546         (dump_may_aliases_for): Likewise.
3547         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3548         (add_call_clobber_ops): Likewise.
3549         (add_call_read_ops): Likewise.
3550         (get_asm_expr_operands): Likewise.
3551         * tree-into-ssa.c (dump_decl_set): Likewise.
3552         (update_ssa): Likewise.
3553         * tree-sra.c (scan_function): Likewise.
3554         (decide_instantiations): Likewise.
3555         (scalarize_parms): Likewise.
3556         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3557         (dsa_named_for): Likewise.
3558         * tree-ssa-structalias.c (update_alias_info): Likewise.
3559         (merge_smts_into): Likewise.
3560
3561 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3562
3563         PR target/35258
3564         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3565         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3566         * alias.h (nonoverlapping_memrefs_p): Likewise.
3567
3568 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3569
3570         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3571         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3572         __emultls_get_address, __emultls_register_common,
3573         __floatundi?f, and _Unwind_GetIPInfo.
3574         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3575         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3576         (gen_regparm_prefix): Likewise.
3577         (i386_nlm_encode_section_info): Sync with
3578         config/i386/winnt.c:i386_pe_encode_section_info().
3579         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3580         i386_nlm_mangle_decl_assembler_name): New.
3581         (netware_override_options): New.
3582         * config/i386/netware.h (netware_override_options): Declare.
3583         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3584         (i386_nlm_mangle_decl_assembler_name): Declare.
3585         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3586
3587 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3588
3589         PR other/32948
3590         * c-decl.c (grokdeclarator): Remove unused local variables
3591         `typedef_type' and `type_as_written'.
3592         * bb-reorder.c
3593         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3594         unused local variable `has_hot_blocks'.
3595         (fix_crossing_conditional_branches): Remove unused local variable
3596         `prev_bb'.
3597
3598 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3599
3600         PR middle-end/19984
3601         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3602         using DEF_C99_BUILTIN.
3603         (BUILT_IN_NANF): Ditto.
3604         (BUILT_IN_NANL): Ditto.
3605
3606 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3607             Revital Eres  <eres@il.ibm.com>
3608
3609         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3610         regarding the order of two dependent insns in the same row.
3611
3612 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3613
3614         * stor-layout.c (layout_decl): Do not bump the alignment of a
3615         bit-field to more than byte alignment if it is packed.
3616
3617 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3618
3619         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3620         e300c2 and e300c3.
3621
3622 2008-02-24  Diego Novillo  <dnovillo@google.com>
3623
3624         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3625
3626         PR 33738
3627         * tree-vrp.c (vrp_evaluate_conditional): With
3628         -Wtype-limits, emit a warning when comparing against a
3629         constant outside the natural range of OP0's type.
3630         * c.opt (Wtype-limits): Move ...
3631         * common.opt (Wtype-limits): ... here.
3632
3633 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3634
3635         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3636         * config/rs6000/e300c2c3.md: New file.
3637         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3638         e300c2 and e300c3.
3639         (rs6000_override_options): Add e300c2 and e300c3 cases to
3640         processor_target_table. Do not allow usage of Altivec or Spe
3641         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3642         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3643         * config/rs6000/rs6000.h (processor_type): Add
3644         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3645         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3646         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3647         and ppce300c3. Include e300c2c3.md.
3648
3649 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3650
3651         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3652         instead of TARGET_STRICT_ALIGN.
3653
3654 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3655
3656         * explow.c (memory_address): Assert that the generated address is
3657         valid.
3658
3659 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3660
3661         PR target/25477
3662         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3663         * config/darwin-ppc-ldouble-patch.def: New file.
3664         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3665         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3666         SUBTARGET_INIT_BUILTINS if defined.
3667         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3668         New functions.
3669
3670 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3671
3672         PR rtl-opt/33512
3673         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3674         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3675
3676 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3677
3678         PR pch/35027
3679         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3680         file" warning condtional on -Winvalid-PCH.
3681
3682 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3683
3684         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3685
3686 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3687
3688         PR target/22076
3689         PR target/34256
3690         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3691         prevent reload from using MMX registers.
3692         (*mov<mode>_internal): Ditto.
3693         (*movv2sf_internal_rex64): Ditto.
3694         (*movv2sf_internal): Ditto.
3695
3696 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3697
3698         PR documentation/31569
3699         * doc/install.texi2html: Use makeinfo --no-number-sections.
3700
3701 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3702
3703         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3704         ensure that we can address an entire entity > 8 bytes.  Don't
3705         generate reg+reg addressing for such data.
3706
3707 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3708
3709         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3710         strings when optimizing for size, unless the target cares about
3711         alignment.
3712
3713 2008-02-22  Tom Tromey  <tromey@redhat.com>
3714
3715         * regclass.c (current_pass): Remove declaration.
3716
3717 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3718
3719         * config/avr/libgcc.S (__RAMPZ__): Define.
3720         (__do_copy_data): Add for devices with 128KB code memory.
3721
3722 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3723
3724         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3725         Use spe_abi.
3726         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3727
3728 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3729
3730         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3731         GENNONACR_REGS.
3732
3733 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3734
3735         PR c/19999
3736         * c-typeck.c (build_binary_op): Warn about floating point
3737         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3738
3739 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3740
3741         PR target/34526
3742         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3743         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3744         add vrsave.
3745         (rs6000_override_options): Set altivec_abi as default, not override,
3746         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3747         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3748         is used; use new member spe_abi.
3749         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3750         spe_abi and altivec_abi.
3751
3752 2008-02-22  Tomas Bily  <tbily@suse.cz>
3753
3754         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3755
3756 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3757
3758         PR bootstrap/35273
3759         * config.build (build_file_translate): Set to `CMD //c' only if
3760         it works.
3761         * Makefile.in (build_file_translate): Improve comment.
3762
3763 2008-02-21  Jan Hubicka  <jh@suse.cz>
3764
3765         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3766         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3767         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3768
3769 2008-02-21  Michael Matz  <matz@suse.de>
3770
3771         PR target/35264
3772         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3773
3774 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3775
3776         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3777         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3778         as insn constraint.
3779         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3780         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3781         SSE_VEC_FLOAT_MODE_P as insn constraint.
3782         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3783         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3784         sse4a_movntdf using MODEF mode iterator.
3785         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3786         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3787         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3788         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3789         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3790         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3791         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3792
3793 2008-02-21  Richard Guenther  <rguenther@suse.de>
3794
3795         * tree.def (PAREN_EXPR): New tree code.
3796         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3797         and PAREN_EXPR.
3798         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3799         * expr.c (expand_expr_real_1): Likewise.
3800         * tree-inline.c (estimate_num_insns_1): Likewise.
3801         * tree-complex.c (expand_complex_move): Likewise.
3802         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3803         as plain x.
3804
3805 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3806
3807         PR target/35225
3808         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3809
3810 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3811
3812         PR target/35190
3813         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3814
3815         * config/sh/sh.c (find_barrier): Don't go past
3816         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3817
3818 2008-02-20  DJ Delorie  <dj@redhat.com>
3819
3820         * config/h8300/h8300.md (insv): Force source operand to be a register.
3821
3822         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3823         as a jump, not as a plain insn.
3824
3825 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3826
3827         * doc/invoke.texi (Warning Options): Add new option
3828         -Wframe-larger-than=.
3829         (-Wframe-larger-than): Document.
3830
3831         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3832         Add declarations for new option variables.
3833
3834         * final.c (final_start_function): Check the frame size
3835         before emission and issue a Wframe-larger-than warning.
3836
3837         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3838         Add definitions for new option variables.
3839         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3840
3841         * common.opt (Wframe-larger-than=): New option.
3842
3843 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3844
3845         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3846         (<sse>_div<mode>3): Ditto.
3847         (<sse>_vmdiv<mode>3): Ditto.
3848         (<sse>_vmsqrt<mode>2): Ditto.
3849         (*smax<mode>3): Ditto.
3850         (sse5_frcz<mode>2): Ditto.
3851         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3852         as insn constraint.
3853
3854 2008-02-20  Richard Guenther  <rguenther@suse.de>
3855
3856         PR middle-end/35265
3857         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3858         be happy with INTEGRAL_TYPE_P.
3859
3860 2008-02-20  Richard Guenther  <rguenther@suse.de>
3861
3862         * fold-const.c (split_tree): Associate floatig-point expressions
3863         if flag_associative_math is set.
3864
3865 2008-02-20  Richard Guenther  <rguenther@suse.de>
3866
3867         * tree.h (fold_real_zero_addition_p): Declare.
3868         * fold-const.c (fold_real_zero_addition_p): Export.
3869         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3870         floating-point operations with zero and one.
3871
3872 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3873
3874         * doc/install.texi: Correct references to CFLAGS, replacing them
3875         with BOOT_CFLAGS.  Document flags used during bootstrap for
3876         target libraries.
3877
3878 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3879
3880         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3881         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3882         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3883         insn constraint.
3884         (smin<mode>3): Ditto from similar patterns.
3885         (smax<mode>3): Ditto.
3886         (*ieee_smin<mode>3): Ditto.
3887         (*ieee_smax<mode>3): Ditto.
3888         * config/i386/sse.md (sse): New mode attribute.
3889         (mov<mode>): Macroize expander from movv4sf and movv2df using
3890         SSEMODEF2P mode iterator.
3891         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3892         SSE_VEC_FLOAT_MODE_P as insn constraint.
3893         (storent<mode>): Ditto.
3894         (storent<mode>): Macroize expander from storentsf and storentdf using
3895         MODEF mode iterator.
3896         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3897         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3898         (abs<mode>2): Ditto from similar patterns.
3899         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3900         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3901         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3902         (<sse>_vmsqrt<mode>2): Ditto.
3903         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3904         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3905         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3906         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3907         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3908         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3909         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3910         insn constraint.
3911         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3912         iterator and SSE_FLOAT_MODE_P as insn constraint.
3913         (<sse>_ucomi): Ditto from similar patterns.
3914         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3915         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3916         SSE_VEC_FLOAT_MODE_P as insn constraint.
3917         (vcond<mode>): Ditto from similar patterns.
3918         (and<mode>3, *and<mode>3): Ditto.
3919         (<sse>_nand<mode>3): Ditto.
3920         (ior<mode>3, *ior<mode>3): Ditto.
3921         (xor<mode>3, *xor<mode>3): Ditto.
3922         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3923         iterator and SSE_FLOAT_MODE_P as insn constraint.
3924         (*nand<mode>3): Ditto from similar patterns.
3925         (*ior<mode>3): Ditto.
3926         (*xor<mode>3): Ditto.
3927
3928 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3929
3930         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3931         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3932         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3933
3934 2008-02-19  Jan Hubicka  <jh@suse.cz>
3935
3936         * predict.c (tree_bb_level_predictions): Remove variable next
3937         mistakely introduced by previous commit.
3938
3939 2008-02-19  Jan Hubicka  <jh@suse.cz>
3940
3941         * predict.c (predict_paths_leading_to): Rewrite.
3942         (predict_paths_for_bb): New.
3943         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3944
3945 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3946
3947         PR bootstrap/35218
3948         * Makefile.in (build_file_translate): New.
3949         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3950         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3951         * configure.ac (build_file_translate): Substitute it.
3952         * configure: Regenerate.
3953
3954 2008-02-19  Jan Hubicka  <jh@suse.cz>
3955
3956         PR rtl-optimization/34408
3957         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3958         invalid sharing.
3959
3960 2008-02-19  Jan Hubicka  <jh@suse.cz>
3961
3962         PR middle-end/28779
3963         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3964         call_expr.
3965
3966 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3967
3968         PR Ada/35186
3969         * config/i386/i386-modes.def: Revert the last DI alignment
3970         change until Ada people can look into it.
3971
3972 2008-02-19  Nick Clifton  <nickc@redhat.com>
3973
3974         * opts.c (print_specific_help): Fix typo in --help text.
3975
3976 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3977
3978         PR target/35239
3979         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3980         32-bit inline asm without asm alternatives for host GCC < 3.0.
3981
3982 2008-02-19  Richard Guenther  <rguenther@suse.de>
3983
3984         PR tree-optimization/34989
3985         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3986         Allow propagation to INDIRECT_REF if we can simplify only.
3987
3988 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3989
3990         * c-common.c (warn_for_collisions_1): Use appropriate option when
3991         warning.
3992
3993 2008-02-19  Nick Clifton  <nickc@redhat.com>
3994
3995         PR other/31349
3996         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3997         (handle_options): Fix indentation.
3998         (print_filtered_help): If no language-specific options were
3999         displayed tell the user how to list all the options supported by
4000         the language's front-end.
4001         (print_specific_help): Fix indentation and remove duplicate line.
4002         (common_handle_option): Handle the -v option.
4003         For --help enable the display of undocumented options if the -v
4004         switch has been included on the command line.
4005         For --help= check for overlaps in the arguments between the option
4006         classes and the language names and issue a warning when they
4007         cannot be disambiguated.
4008         * c.opt (v): Pass on to the common option handler.
4009
4010 2008-02-19  Revital Eres  <eres@il.ibm.com>
4011
4012         * modulo-sched.c (sms_schedule): Change dump message when
4013         create_ddg function fails.
4014         (try_scheduling_node_in_cycle): Rename row to cycle.
4015         (print_partial_schedule): Rename CYCLE to ROW.
4016
4017 2008-02-19  Christian Bruel  <christian.bruel@st.com>
4018             Zdenek Dvorak  <ook@ucw.cz>
4019
4020         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4021
4022 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4023
4024         PR target/33555
4025         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4026         (*x86_movdicc_0_m1_se): Ditto.
4027
4028 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4029
4030         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4031         (CMPtype): Define as __gcc_CMPtype.
4032         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4033         (CMPtype): Define as __gcc_CMPtype.
4034
4035 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
4036
4037         Support valgrind 3.3 for --enable-checking=valgrind.
4038         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4039         here.
4040         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4041         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4042         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4043         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4044         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4045         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4046         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4047         respectively.
4048         * ggc-zone.c: Similar.
4049         * ggc-page.c: Similar.
4050
4051 2008-02-19  Paul Brook  <paul@codesourcery.com>
4052
4053         PR target/35071
4054         * config/arm/ieee754-df.S: Fix do_it typo.
4055         * config/arm/ieee754-sf.S: Fix do_it typo.
4056
4057 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4058
4059         PR target/35189
4060         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4061         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4062         (OPTION_MASK_ISA_SSE_SET): Likewise.
4063         (OPTION_MASK_ISA_SSE2_SET): Likewise.
4064         (OPTION_MASK_ISA_SSE3_SET): Likewise.
4065         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4066         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4067         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4068         (OPTION_MASK_ISA_SSE4_SET): Likewise.
4069         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4070         (OPTION_MASK_ISA_SSE5_SET): Likewise.
4071         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4072         (OPTION_MASK_ISA_MMX_UNSET): Updated.
4073         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4074         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4075         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4076         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4077         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4078         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4079         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4080         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4081         (OPTION_MASK_ISA_SSE4): Removed.
4082         (ix86_handle_option): Turn on bits in ix86_isa_flags and
4083         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4084         (override_options): Don't turn on implied SSE/MMX bits in
4085         ix86_isa_flags.
4086
4087 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4088
4089         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4090         32bit host.
4091
4092 2008-02-18  Joey Ye  <joey.ye@intel.com>
4093
4094         PR middle-end/34921
4095         * tree-nested.c (insert_field_into_struct): Set type alignment
4096         to field alignment if the former is less than the latter.
4097
4098 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
4099
4100         * BASE-VER: Set to 4.4.0.
4101
4102 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4103
4104         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4105         * doc/cfg.texi: Likewise.
4106         * doc/extend.texi: Likewise.
4107         * doc/gty.texi: Likewise.
4108         * doc/invoke.texi: Likewise.
4109         * doc/loop.texi: Likewise.
4110         * doc/md.texi: Likewise.
4111         * doc/passes.texi: Likewise.
4112         * doc/rtl.texi: Likewise.
4113         * doc/sourcebuild.texi: Likewise.
4114         * doc/tm.texi: Likewise.
4115         * doc/tree-ssa.texi: Likewise.
4116
4117 2008-02-17  Richard Guenther  <rguenther@suse.de>
4118
4119         PR middle-end/35227
4120         * tree-complex.c (init_parameter_lattice_values): Handle parameters
4121         without default definition.
4122
4123 2008-02-17  Richard Guenther  <rguenther@suse.de>
4124
4125         PR tree-optimization/35231
4126         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4127         if A | B != 1.
4128
4129 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
4130
4131         Revert:
4132         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4133         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4134         libgcc_cmp_return mode.
4135
4136 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4137
4138         PR c/28368
4139         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4140
4141 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
4142
4143         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4144         multilibs.
4145
4146 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4147
4148         * doc/c-tree.texi: Use `@.' where appropriate.
4149         * doc/extend.texi: Likewise.
4150         * doc/install.texi: Likewise.
4151         * doc/invoke.texi: Likewise.
4152         * doc/loop.texi: Likewise.
4153         * doc/makefile.texi: Likewise.
4154         * doc/md.texi: Likewise.
4155         * doc/passes.texi: Likewise.
4156         * doc/standards.texi: Likewise.
4157         * doc/tm.texi: Likewise.
4158
4159 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4160
4161         PR middle-end/35196
4162         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4163         in entry_bb.
4164         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4165         rather than in entry_bb.
4166
4167 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4168
4169         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4170         libgcc_cmp_return mode.
4171
4172 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4173
4174         PR middle-end/35130
4175         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4176         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4177
4178 2008-02-15  Richard Guenther  <rguenther@suse.de>
4179             Zdenek Dvorak  <ook@ucw.cz>
4180
4181         PR tree-optimization/35164
4182         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4183         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4184         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4185         Only propagate addresses which do not have abnormal SSA_NAMEs
4186         in their operands.
4187
4188 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4189
4190         PR target/35088
4191         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4192
4193 2008-02-15  Jan Hubicka  <jh@suse.cz>
4194
4195         PR middle-end/35149
4196         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4197
4198 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4199
4200         PR middle-end/34621
4201         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4202         when calculating alignment_pad.
4203
4204 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4205
4206         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4207         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4208         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4209         and STACK_BOUNDARY define.
4210
4211 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4212
4213         PR preprocessor/35061
4214         * c-pragma.c (handle_pragma_pop_macro): Check that
4215         pushed_macro_table has been allocated.
4216
4217 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4218
4219         PR middle-end/35136
4220         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4221         (force_gimple_operand): Likewise.
4222         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4223         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4224         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4225         (find_interesting_uses_address): Check addressability and alignment
4226         of the base expression only after substituting bases of IVs into it.
4227
4228 2008-02-14  Michael Matz  <matz@suse.de>
4229
4230         PR target/34930
4231         * function.c (instantiate_virtual_regs_in_insn): Reload address
4232         before falling back to reloading the whole operand.
4233
4234 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4235
4236         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4237         before the first section switch note.
4238
4239 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4240
4241         * doc/bugreport.texi: Update copyright years.
4242         * doc/c-tree.texi: Likewise.
4243         * doc/cfg.texi: Likewise.
4244         * doc/cpp.texi: Likewise.
4245         * doc/cppinternals.texi: Likewise.
4246         * doc/fragments.texi: Likewise.
4247         * doc/frontends.texi: Likewise.
4248         * doc/gcc.texi: Likewise.
4249         * doc/gty.texi: Likewise.
4250         * doc/hostconfig.texi: Likewise.
4251         * doc/implement-c.texi: Likewise.
4252         * doc/libgcc.texi: Likewise.
4253         * doc/loop.texi: Likewise.
4254         * doc/makefile.texi: Likewise.
4255         * doc/options.texi: Likewise.
4256         * doc/passes.texi: Likewise.
4257         * doc/rtl.texi: Likewise.
4258         * doc/sourcebuild.texi: Likewise.
4259         * doc/standards.texi: Likewise.
4260         * doc/tree-ssa.texi: Likewise.
4261         * doc/trouble.texi: Likewise.
4262
4263         * doc/extend.texi: Use @: or add comma where appropriate.
4264         * doc/invoke.texi: Likewise.
4265         * doc/tm.texi: Likewise.
4266
4267 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4268
4269         PR target/34393
4270         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4271         to a reg.
4272
4273 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4274
4275         * doc/md.texi (clz, ctz): Add reference.
4276         * doc/rtl.texi (clz, ctz): Likewise.
4277
4278 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4279
4280         PR other/35148
4281         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4282         srcdir.
4283
4284 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4285
4286         * config/s390/s390.c (struct constant_pool): New field
4287         emit_pool_after added.
4288         (s390_mainpool_start): Set the emit_pool_after flag according
4289         to the section switch notes.
4290         (s390_mainpool_finish): Consider emit_pool_after when emitting
4291         the literal pool at the end of the function.
4292         (s390_chunkify_start): Force literal pool splits at section
4293         switch notes.
4294
4295 2008-02-13  Michael Matz  <matz@suse.de>
4296
4297         PR debug/35065
4298         * var-tracking.c (clobber_variable_part): Correctly traverse the
4299         list.
4300
4301 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4302
4303         PR 29673
4304         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4305         Add -fdump-ipa-inline.
4306         * tree-dump.c (dump_files): Remove tree-inlined dump.
4307         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4308
4309 2008-02-12  Richard Guenther  <rguenther@suse.de>
4310
4311         PR tree-optimization/35171
4312         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4313         default defs.
4314
4315 2008-02-12  Richard Guenther  <rguenther@suse.de>
4316
4317         PR middle-end/35163
4318         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4319         value-preserving mode.  Disallow final truncation.
4320
4321 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4322
4323         PR middle-end/35136
4324         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4325         code from here to...
4326         (force_gimple_operand): ...here.
4327
4328 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4329
4330         PR c++/35144
4331         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4332         non-compatible pointers.
4333         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4334         different FIELD_DECLs, try harder by comparing field offsets, sizes
4335         and types.
4336
4337         PR inline-asm/35160
4338         * function.c (match_asm_constraints_1): Don't replace the same input
4339         multiple times.
4340
4341 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4342
4343         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4344         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4345         (expand_epilogue): Restore RAMPZ register.
4346         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4347
4348 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4349
4350         * config/i386/cygwin.asm: (__alloca): Correct calling
4351         convention and alignment.
4352         (__chkstk): Force 8 byte stack alignment.
4353
4354 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4355             Richard Guenther  <rguenther@suse.de>
4356
4357         PR tree-optimization/33992
4358         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4359         the zero we compare against.
4360
4361 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4362
4363         PR libfortran/35063
4364         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4365         to CloseHandle after unlocking to prevent accumulation of handle
4366         count.
4367
4368 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4369
4370         PR middle_end/34150
4371         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4372         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4373         and update LABEL_NUSES during and after reload.
4374
4375 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4376
4377         PR middle-end/34627
4378         * combine.c (simplify_if_then_else): Make sure the comparison is
4379         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4380
4381 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4382
4383         PR bootstrap/35051
4384         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4385         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4386         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4387         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4388         * tree.h (get_type_static_bounds): Likewise.
4389
4390 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4391
4392         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4393         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4394         Make -Wfoo language annotations match what the compiler outputs.
4395
4396 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4397
4398         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4399         intrinsics spu_convts, spu_convtu, spu_convtf.
4400         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4401
4402 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4403
4404         * doc/extend.texi (Function Attributes) <noinline>: Mention
4405         asm ("") as method to keep calls.
4406
4407 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4408
4409         PR other/32754
4410         * doc/options.texi (Options): Replace references to opts.sh with
4411         optc-gen.awk.
4412         * opts-common.c: Likewise.
4413         * optc-gen.awk: Likewise.
4414
4415 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4416
4417         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4418
4419 2008-02-07  Richard Henderson  <rth@redhat.com>
4420
4421         PR rtl-opt/33410
4422         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4423         EXPR_LIST for the REG_EQUAL instead of a comparison with a
4424         funny mode.
4425
4426 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4427
4428         PR tree-optimization/35085
4429         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4430         for operand entry oe2 in addition to operand entry oe3 in order to
4431         expose more opportunities for vectorizer sum reduction.
4432
4433 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4434
4435         PR other/35107
4436         * Makefile.in (LIBS): Remove $(GMPLIBS).
4437         (cc1-dummy, cc1): Add $(GMPLIBS).
4438
4439 2008-02-06  Jan Hubicka  <jh@suse.cz>
4440
4441         PR target/23322
4442         * i386.md (moddf_integer): Do not produce partial memory stalls for
4443         targets where it hurts.
4444
4445 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4446
4447         PR target/35083
4448         * optabs.c (expand_float): Do not check for decimal modes when
4449         expanding unsigned integer through signed conversion.
4450
4451 2008-02-06  Nick Clifton  <nickc@redhat.com>
4452
4453         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4454         inside the clobber with a match_operand and duplicated operand
4455         number in the constraint.
4456         (ineqbranchsi): Delete redundant comment.
4457
4458 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4459
4460         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4461         builtin_define ("__USE_INIT_FINI__").
4462         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4463         -msx multilibs.
4464         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4465
4466 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4467
4468         PR documentation/30330
4469         * doc/invoke.texi (C++ Dialect Options)
4470         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4471         For each warning option -Wfoo that allows -Wno-foo, ensure both
4472         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4473         entry of -Wswitch-default, index -Wnormalized= including the
4474         `=', and -Wlarger-than-@var{len} including @var{len}.
4475
4476 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4477
4478         * config/i386/i386.md (floatunssisf2): Use
4479         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4480         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4481         Macroize expander using MODEF mode iterator.
4482
4483 2008-02-05  Diego Novillo  <dnovillo@google.com>
4484
4485         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4486
4487         PR 33738
4488         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4489
4490 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4491
4492         PR other/35070
4493         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4494
4495 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4496
4497         PR target/35084
4498         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4499         to indicate if a message should be generated.
4500         (init_cumulative_args): Updated.
4501         (function_value_32): Likewise.
4502
4503 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4504
4505         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4506
4507 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4508
4509         PR target/35083
4510         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4511         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4512
4513 2008-02-04  Diego Novillo  <dnovillo@google.com>
4514
4515         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4516
4517         PR 33738
4518         * tree-vrp.c (vrp_evaluate_conditional): With
4519         -Wtype-limits, emit a warning when comparing against a
4520         constant outside the natural range of OP0's type.
4521
4522 2008-02-04  Richard Guenther  <rguenther@suse.de>
4523
4524         PR middle-end/33631
4525         * expr.c (count_type_elements): Give for unions instead of
4526         guessing.
4527
4528 2008-02-04  Richard Guenther  <rguenther@suse.de>
4529
4530         PR middle-end/35043
4531         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4532         to TYPE_DOMAINs base type instead of using bitsizetype here.
4533
4534 2008-02-03  Jason Merrill  <jason@redhat.com>
4535
4536         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4537
4538 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4539
4540         PR other/29972
4541         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4542         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4543         (RS/6000 and PowerPC Options): Fix typos and markup.
4544         * doc/passes.texi (Tree-SSA passes): Likewise.
4545
4546 2008-02-02  Michael Matz  <matz@suse.de>
4547
4548         PR target/35045
4549         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4550         from record_last_reg_set_info.
4551         (record_last_reg_set_info): Take an RTX argument, iterate over all
4552         constituent hardregs.
4553         (record_last_set_info, record_opr_changes): Change calls to
4554         new signature or to record_last_reg_set_info_regno.
4555
4556 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4557
4558         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4559
4560 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4561
4562         PR rtl-optimization/34773
4563         * reg-notes.def (EQUAL): Mention significance of combination of
4564         REG_EQUAL and REG_RETVAL.
4565         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4566         insn that has a REG_RETVAL.
4567
4568 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4569
4570         PR bootstrap/33781
4571         * configure.ac (--enable-fixed-point): Disable unless explicitly
4572         requested on IRIX.
4573         * configure: Regenerate.
4574
4575 2008-02-01  Richard Guenther  <rguenther@suse.de>
4576
4577         PR other/35042
4578         * invoke.texi (-finline-limit): Remove no longer true parts
4579         of the documentation.  Note that there is no default value.
4580
4581 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4582             Mark Mitchell  <mark@codesourcery.com>
4583             Ben Elliston  <bje@au.ibm.com>
4584
4585         PR c/29326
4586         * doc/extend.texi (Other Builtins): Document.
4587
4588 2008-01-31  Tom Browder <tom.browder@gmail.com>
4589
4590         * doc/c-tree.texi (Types): Fix grammar.
4591         (Expression trees): Ditto.
4592         * doc/passes.texi (Tree-SSA passes): Ditto.
4593
4594         * doc/configterms.texi (Configure Terms): Fix typo.
4595         * doc/cpp.texi (Common Predefined Macros): Ditto.
4596         * doc/md.texi (Machine Constraints): Ditto.
4597
4598         * doc/makefile.texi (Makefile): Add comma.
4599
4600 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4601             Gerald Pfeifer  <gerald@pfeifer.com>
4602
4603         * doc/sourcebuild.texi (Front End): Remove references to CVS
4604         and CVSROOT/modules.
4605         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4606         (Back End): Remove reference to CVS.
4607
4608 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4609
4610         PR target/34900
4611         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4612         comment from...
4613         (mips16_gp_pseudo_reg): ...here.
4614         * config/mips/mips.md (load_const_gp): Replace with...
4615         (load_const_gp_<mode>): ...this :P-based insn.
4616
4617 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4618
4619         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4620         options. Minor fixes.
4621         (-std): Move reference to standards closer to where language
4622         standards are first mentioned.
4623
4624 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4625
4626         PR rtl-optimization/34995
4627         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4628         parameter and return a bool.  If the rtx parameter is nonnull,
4629         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4630         (find_reloads): Update call accordingly.  Pass the new operand
4631         if it needed no address reloads, otherwise pass null.
4632
4633 2008-01-30  Richard Henderson  <rth@redhat.com>
4634
4635         PR c/34993
4636         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4637         for unbounded arrays.
4638
4639 2008-01-30  Silvius Rus  <rus@google.com>
4640
4641         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4642
4643 2008-01-30  Jan Hubicka  <jh@suse.cz>
4644
4645         PR target/34982
4646         * i386.c (init_cumulative_args): Use real function declaration when
4647         calling locally.
4648
4649 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4650
4651         PR rtl-optimization/34998
4652         * global.c (build_insn_chain): Treat non-subreg_lowpart
4653         SUBREGs of pseudos as clobbering all the words covered by the
4654         SUBREG, not just all the bytes.
4655         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4656         original df_ref rather than an extract parameter.
4657         (global_conflicts): Update call accordingly.
4658
4659 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4660
4661         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4662         the overflow check to make it easier to read.
4663         (__fixtfdi): Change the type of the ll member in union
4664         long_double to UDItype_x.
4665
4666 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4667
4668         PR middle-end/34969
4669         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4670         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4671         * tree-inline.c (fold_marked_statements): Call
4672         cgraph_update_edges_for_call_stmt if folding a call statement.
4673         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4674         debug_generic_stmt calls, reset it back afterwards.
4675
4676         PR c/35017
4677         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4678         static decls.
4679         * c-typeck.c (build_external_ref): Don't pedwarn about
4680         static vars in current function's scope.
4681
4682 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4683
4684         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4685
4686 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4687
4688         PR c/35002
4689         * ipa-struct-reorg.c: Fix spelling.
4690         * params.def: Ditto.
4691
4692 2008-01-29  Richard Guenther  <rguenther@suse.de>
4693
4694         PR middle-end/35006
4695         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4696         field.
4697         * tree-inline.c (remap_type): Increment remapping_type_depth
4698         around remapping types.
4699         (copy_body_r): Only add referenced variables if they are referenced
4700         from code, not types.
4701
4702 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4703
4704         PR c++/34055
4705         PR c++/34103
4706         PR c++/34219
4707         PR c++/34606
4708         PR c++/34753
4709         PR c++/34754
4710         PR c++/34755
4711         PR c++/34919
4712         PR c++/34961
4713         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4714         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4715
4716 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4717
4718         PR target/34412
4719         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4720         pointer for tiny stack.
4721
4722 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4723
4724         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4725
4726 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4727
4728         * config/vx-common.h: Fix typo in comment.
4729
4730 2008-01-28  Ian Lance Taylor  <iant@google.com>
4731
4732         PR c++/34862
4733         PR c++/33407
4734         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4735         coalesce pointers if they have different DECL_NO_TBAA_P values.
4736         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4737         between variables with different DECL_NO_TBAA_P values.
4738
4739 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4740
4741         PR 31535
4742         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4743         are not legitimate small data references on SPE targets.
4744
4745 2008-01-28  David Daney  <ddaney@avtrex.com>
4746
4747         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4748
4749 2008-01-28  David Daney  <ddaney@avtrex.com>
4750
4751         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4752
4753 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4754
4755         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4756         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4757         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4758         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4759         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4760         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4761         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4762         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4763
4764 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4765
4766         * basic-block.h (condjump_equiv_p): Fix comment.
4767
4768 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4769
4770         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4771         print_generic_stmt_indented): Fix comment.
4772
4773 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4774
4775         * configure.ac (__stack_chk_fail): Add detecion for availability
4776         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4777         * configure: Regenerate.
4778
4779 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4780
4781         PR middle-end/34688
4782         * final.c (output_addr_const): Handle TRUNCATE.
4783
4784 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4785
4786         PR target/34711
4787         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4788         (zero_cost, infinite_cost): New constants.
4789         (struct cost_pair): Change type of cost to comp_cost.
4790         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4791         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4792         New functions.
4793         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4794         split_address_cost, ptr_difference_cost, difference_cost,
4795         get_computation_cost_at, get_computation_cost,
4796         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4797         determine_use_iv_cost_condition, determine_use_iv_costs,
4798         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4799         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4800         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4801         Change type of cost to comp_cost.
4802         (determine_iv_cost): Increase cost of non-original ivs, instead
4803         of decreasing the cost of original ones.
4804         (get_address_cost): Indicate the complexity of the addressing mode
4805         in comp_cost.
4806         (try_add_cand_for): Prefer using ivs not specific to some object.
4807         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4808
4809 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4810             Janis Johnson  <janis187@us.ibm.com>
4811
4812         PR target/34814
4813         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4814         (TARGET_INSTANTIATE_DECLS): Likewise.
4815         * target.h (expand_to_rtl_hook): New target hook.
4816         (instantiate_decls): Likewise.
4817         * function.c (instantiate_decl): Make non-static.  Rename to...
4818         (instantiate_decl_rtl): ... this.
4819         (instantiate_expr): Use instantiate_decl_rtl.
4820         (instantiate_decls_1): Likewise.
4821         (instantiate_decls): Likewise.
4822         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4823         * function.h (instantiate_decl_rtl): Add prototype.
4824         * cfgexpand.c (target.h): New include.
4825         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4826         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4827         (TARGET_INSTANTIATE_DECLS): Likewise.
4828         (TARGET_INITIALIZER): New target hooks added.
4829         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4830         New prototype.
4831         * config/rs6000/rs6000.c (tree-flow.h): New include.
4832         (machine_function): Add sdmode_stack_slot field.
4833         (rs6000_alloc_sdmode_stack_slot): New function.
4834         (rs6000_instantiate_decls): Likewise.
4835         (rs6000_secondary_memory_needed_rtx): Likewise.
4836         (rs6000_check_sdmode): Likewise.
4837         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4838         (TARGET_INSTANTIATE_DECLS): Likewise.
4839         (rs6000_hard_regno_mode_ok): Allow SDmode.
4840         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4841         (rs6000_emit_move): Handle SDmode.
4842         (function_arg_advance): Likewise.
4843         (function_arg): Likewise.
4844         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4845         SDmode var args for 32-bit compiles.
4846         (rs6000_secondary_reload_class): Handle SDmode.
4847         (rs6000_output_function_epilogue): Likewise.
4848         (rs6000_function_value): Simplify if statement.
4849         (rs6000_libcall_value): Likewise.
4850         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4851         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4852         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4853         (movsd_hardfloat): New define_insn.
4854         (movsd_softfloat): Likewise.
4855         (movsd_store): Likewise.
4856         (movsd_load): Likewise.
4857         (extendsddd2): Likewise.
4858         (extendsdtd2): Likewise.
4859         (truncddsd2): Likewise.
4860         (movdd_hardfloat64): Fixup comment.
4861         (UNSPEC_MOVSD_LOAD): New constant.
4862         (UNSPEC_MOVSD_STORE): Likewise.
4863
4864 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4865
4866         PR c++/34965
4867         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4868         TRUTH_XOR_EXPR.
4869         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4870         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4871         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4872         and TRUTH_XOR_EXPR.
4873
4874 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4875
4876         PR target/34794
4877         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4878         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4879         __LONGDOUBLE128 too.
4880         * config/rs6000/aix61.h: New file.
4881
4882 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4883
4884         PR rtl-optimization/34959
4885         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4886         popcount and parity rtxes the same mode as their operand.
4887         Truncate or extend the result to the return value's mode
4888         if necessary.
4889
4890 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4891
4892         PR target/34981
4893         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4894         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4895         to GOT_VERSION_REGNUM.
4896         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4897         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4898         * config/mips/mips.c (mips_emit_call_insn): New function.
4899         (mips_call_tls_get_addr): Call mips_expand_call directly.
4900         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4901         emit_call_insn.
4902         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4903         (mips_expand_call): Update the call to mips16_build_call_stub
4904         accordingly and a remove redundant condition.  Assert that MIPS16
4905         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4906         the call insn.
4907         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4908         TARGET_USE_GOT.
4909         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4910         (mips_avoid_hazard): Remove hazard_set handling.
4911         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4912         (UNSPEC_RESTORE_GP): ...this.
4913         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4914         (FAKE_CALL_REGNO): Rename to...
4915         (GOT_VERSION_REGNUM): ...this.
4916         (type): Add "ghost" value.  Add an associated insn reservation.
4917         (hazard_set): Remove.
4918         (exception_receiver): Rename to...
4919         (restore_gp): ...this and update the unspec identifier accordingly.
4920         (exception_receiver, nonlocal_got_receiver): New expanders.
4921         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4922         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4923         (set_got_version, update_got_version): New patterns.
4924
4925 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4926
4927         PR target/34970
4928         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4929
4930 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4931
4932         PR other/31955
4933         * doc/install.texi2html: Generate gcc-vers.texi.
4934
4935 2008-01-25  DJ Delorie  <dj@redhat.com>
4936
4937         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4938
4939 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4940
4941         * config/c4x: Remove directory.
4942         * config.gcc (crx-*, mt-*): Mark obsolete.
4943         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4944         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4945         sh-*-rtemscoff*): Remove cases.
4946         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4947         * real.c (encode_c4x_single, decode_c4x_single,
4948         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4949         c4x_extended_format): Remove.
4950         * real.h (c4x_single_format, c4x_extended_format): Remove.
4951         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4952         on C4x.
4953         (Pragmas): Remove comment about c4x pragmas.
4954         * doc/install.texi (c4x): Remove target-specific instructions.
4955         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4956         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4957         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4958         refer to C4x source files as examples.
4959         (C4X_FLOAT_FORMAT): Remove documentation.
4960
4961 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4962
4963         * config/bfin/bfin.c (override_options): Reorder tests so that
4964         flag_pic gets enabled for -msep-data.
4965
4966 2008-01-25  Richard Guenther  <rguenther@suse.de>
4967
4968         PR middle-end/32244
4969         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4970         to its bitfield precision if required.
4971
4972 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4973
4974         PR middle-end/33880
4975         * tree-nested.c (walk_omp_for): New function.
4976         (convert_nonlocal_reference, convert_local_reference): Call
4977         walk_omp_for on OMP_FOR.
4978         (convert_call_expr): Call walk_body on OMP_FOR's
4979         OMP_FOR_PRE_INIT_BODY.
4980
4981 2008-01-25  Richard Guenther  <rguenther@suse.de>
4982
4983         PR tree-optimization/34966
4984         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4985         default defs and PHI_NODEs we have to insert after the
4986         defining statement.
4987
4988 2008-01-24  Nick Clifton  <nickc@redhat.com>
4989
4990         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4991         Provide a default definition.
4992         (LIBGCC2_UNITS_PER_WORD): Likewise.
4993
4994         * config/stormy16/stormy16.c: Include df.h for the prototype
4995         for df_regs_ever_live_p.
4996         (xstormy16_expand_builtin_va_start): Convert the stack offset
4997         into a component_ref and then use POINTER_PLUS_EXPR to add it
4998         to the incoming_virtual_args_rtx.
4999         (xstormy16_gimplify_va_arg_expr): Rename to
5000         xstormy16_gimplify_va_arg_expr.
5001         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5002         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5003         xstormy16_gimplify_va_arg_expr.
5004         Fix up some formatting issues.
5005
5006         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5007         Move to predicates.md.
5008         (xs_hi_general_operand): Likewise.
5009         (xs_hi_nonmemory_operand): Likewise.
5010         * config/stormy16/predicates.md:
5011         (xstormy16_carry_plus_operand): New predicate.
5012         (xs_hi_general_operand): New predicate.
5013         (xs_hi_nonmemory_operand): New predicate.
5014         * config/stormy16/stormy16-protos.h:
5015         (xstormy16_carry_plus_operand): Delete prototype.
5016         (xs_hi_general_operand): Likewise.
5017         (xs_hi_nonmemory_operand): Likewise.
5018
5019         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5020         modifiers as they are no longer needed and they can trigger
5021         reload spill failures.
5022
5023         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5024         with a match_operand in order to help reload.
5025
5026         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5027         constraint with 'e' for the 8th alternative as this version of
5028         the mov.w instruction only accepts the lower 8 registers.
5029
5030 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
5031
5032         PR target/34856
5033         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5034         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5035         vector elements.
5036
5037 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5038
5039         PR middle-end/33333
5040         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5041
5042 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5043
5044         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5045         New functions.
5046         (remove_structure): Update allocations list before removing structure.
5047
5048 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5049
5050         * ipa-struct-reorg.c (is_safe_cond_expr,
5051         create_new_stmts_for_cond_expr): Use integer_zerop function,
5052         that recognize not only zero-pointer, but zero-integer too.
5053
5054 2008-01-25  Ben Elliston  <bje@au.ibm.com>
5055
5056         PR other/22232
5057         * fixproto: Escape "." in sed expression that strips leading "./".
5058
5059 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5060
5061         PR driver/34904
5062         * gcc.c (SWITCH_OK): Removed.
5063         (SWITCH_LIVE): Changed to bit.
5064         (SWITCH_FALSE): Likewise.
5065         (SWITCH_IGNORE): Likewise.
5066         (switchstr): Change live_cond to unsigned int.
5067         (process_command): Replace SWITCH_OK with 0.
5068         (do_self_spec): Likewise.
5069         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5070         (give_switch): Likewise.
5071         (used_arg): Likewise.
5072         (do_spec_1): Set the SWITCH_IGNORE bit.
5073         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5074         bits.  Set the SWITCH_LIVE bit.
5075
5076 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5077
5078         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5079
5080 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
5081
5082         PR tree-optimization/34472
5083         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5084         parameter to a "bool *" and set *DATA to false if there is
5085         an unsafe access.  Do not delete the structure here.
5086         (check_cond_exprs): Delete it here instead.
5087         (check_cond_exprs, exclude_cold_structs): Do not increase
5088         I when removing a structure.
5089
5090 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
5091
5092         PR target/34856
5093         * config/i386/i386.c (ix86_expand_vector_init): Consider only
5094         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5095
5096 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
5097
5098         PR middle-end/34934
5099         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5100         a fixed vector for stack.
5101
5102 2008-01-24  Ben Elliston  <bje@au.ibm.com>
5103
5104         PR c++/25701
5105         * doc/gcc.texi (Software development): Add a direntry for g++.
5106
5107 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
5108
5109         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5110         stale and straggling -fforce-addr comments above.
5111
5112         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5113         define.
5114         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5115         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5116
5117 2008-01-23  Michael Matz  <matz@suse.de>
5118
5119         PR debug/34895
5120         * dwarf2out.c (force_type_die): Use modified_type_die instead of
5121         gen_type_die.
5122
5123 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
5124
5125         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5126         malloc result type.
5127
5128 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5129
5130         * config/avr/avr.c (avr_current_arch): New variable.
5131         (avr_arch_types): Add 'avr31' and 'avr51' entries.
5132         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5133         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5134         (avr_override_options): Init 'avr_current_arch'.
5135         (base_arch_s): Move from here...
5136         * config/avr/avr.h (base_arch_s): ... here. Add new members
5137         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5138         'mega' to 'have_jmp_call'.
5139         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5140         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
5141         macros.
5142         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5143         architectures.
5144         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5145         MULTILIB_MATCHES): (Ditto.).
5146
5147 2008-01-23  Richard Guenther  <rguenther@suse.de>
5148
5149         PR middle-end/31529
5150         * cgraphunit.c (cgraph_reset_node): Always mark the node
5151         not reachable if it is not queued already.
5152
5153 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5154
5155         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5156         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5157         (cputype_selected): New static variable.
5158         (bfin_handle_option): Set it if -mcpu is used.
5159         (override_option): Select default set of workarounds if no cpu type
5160         selected on the command line.
5161         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5162
5163         From  Michael Frysinger  <michael.frysinger@analog.com>
5164         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5165         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5166
5167         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5168         for bf547, bf523, bf524, and bf526.
5169         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
5170         bf526.
5171         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5172         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5173         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5174         __ADSPBF547__ and __ADSPBF54x__ for bf547.
5175         * doc/invoke.texi (Blackfin Options): Document that
5176         -mcpu now accept bf547, bf523, bf524, and bf526.
5177
5178 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5179
5180         PR rtl-optimization/34628
5181         * combine.c (try_combine): Stop and undo after the first combination
5182         if an autoincrement side-effect on the first insn has effectively
5183         been lost.
5184
5185 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5186
5187         PR target/34529
5188         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5189         Offset addresses are not valid for Altivec or paired float modes.
5190
5191 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5192
5193         PR c++/34607
5194         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5195         if DECL_INITIAL (decl) is error_mark_node.
5196
5197         PR c++/34914
5198         * c-common.c (handle_vector_size_attribute): Only allow
5199         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5200         the same way as pointer, array etc. types.
5201         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5202
5203         PR c++/34917
5204         * tree.c (build_type_attribute_qual_variant): Call
5205         build_qualified_type if attributes are equal, but quals are not.
5206
5207 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5208
5209         PR 32102
5210         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5211         * flags.h (warn_strict_aliasing): Remove.
5212         (warn_strict_overflow): Remove.
5213         * opts.c (warn_strict_aliasing): Remove.
5214         (warn_strict_overflow): Remove.
5215         * c-opts.c (c_common_handle_option): -Wall only sets
5216         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5217         (c_common_post_options): Give default values to -Wstrict-aliasing
5218         and -Wstrict-overflow if they are uninitialized.
5219         * common.opt (Wstrict-aliasing): Specify Var and Init.
5220         (Wstrict-overflow): Likewise.
5221
5222 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5223
5224         PR rtl-optimization/26854
5225         PR rtl-optimization/34400
5226         PR rtl-optimization/34884
5227         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5228         DF_RD->gen.
5229         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5230         (df_rd_bb_info.expanded_lr_out): Deleted
5231         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5232         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5233         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5234         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5235         Removed code to allocate, initialize or free expanded_lr_out.
5236         (df_rd_bb_local_compute_process_def): Restructured to make more
5237         understandable.
5238         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5239         sets if the sets are being trimmed.
5240
5241 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5242
5243         PR bootstrap/32287
5244         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5245         (as_vers): Likewise.
5246         * configure: Regenerated.
5247
5248 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5249
5250         PR middle-end/33092
5251         * tree-pass.h (pass_build_alias): New pass.
5252         * tree-ssa-alias.c (gate_build_alias): New.
5253         (pass_build_alias): New.
5254         * passes.c (init_optimization_passes): Add pass_build_alias after
5255         pass_create_structure_vars.
5256
5257 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5258
5259         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5260         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5261         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5262         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5263         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5264         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5265         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5266         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5267         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5268         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5269         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5270         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5271         * config/s390/s390.md (FP_ALL): New mode iterator.
5272         (_d): New mode attribute.
5273         ("*signbit<mode>2>"): Changed mode of first operand.
5274         ("isinf<mode>2"): Changed mode of first operand.
5275         ("*TDC_insn"): Adaptation for DFP modes.
5276
5277 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5278
5279         * tree.c (check_qualified_type): Improve function description.
5280
5281 2008-01-21  Jason Merrill  <jason@redhat.com>
5282
5283         PR c++/34196
5284         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5285         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5286         if it is set.
5287
5288 2008-01-21  DJ Delorie  <dj@redhat.com>
5289
5290         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5291         return zero.
5292
5293 2008-01-21  Richard Guenther  <rguenther@suse.de>
5294
5295         PR middle-end/34856
5296         * tree-cfg.c (verify_expr): Allow all invariant expressions
5297         instead of just constant class ones as reference argument.
5298         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5299         like any other constant.
5300         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5301
5302 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5303
5304         * regmove.c (fixup_match_1): Update call crossed frequencies.
5305
5306 2008-01-21  Richard Guenther  <rguenther@suse.de>
5307
5308         PR c/34885
5309         * tree-inline.c (setup_one_parameter): Deal with mismatched
5310         types using a VIEW_CONVERT_EXPR.
5311
5312 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5313             Olga Golovanevsky  <olga@il.ibm.com>
5314
5315         PR tree-optimization/34701
5316         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5317         when the structure size is not a power of 2.
5318
5319 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5320
5321         * doc/install.texi: Add doc for --enable-checking=df.
5322
5323 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5324
5325         PR rtl-optimization/34808
5326         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5327
5328 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5329
5330         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5331         input.
5332
5333 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5334
5335         PR rtl-optimization/26854
5336         PR rtl-optimization/34400
5337         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5338         DF_RD->gen.
5339         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5340         (df_rd_bb_info.expanded_lr_out): New.
5341         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5342         * loop_iv.c (iv_analysis_loop_init): Ditto.
5343         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5344         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5345         Added code to allocate, initialize or free expanded_lr_out.
5346         (df_rd_bb_local_compute_process_def): Restructured to make
5347         more understandable.
5348         (df_rd_confluence_n): Add code to do nothing with fake edges and
5349         code to no apply invalidate_by_call sets if the sets are being trimmed.
5350         (df_lr_local_finalize): Renamed to df_lr_finalize.
5351         (df_live_local_finalize): Renamed to df_live_finalize.
5352
5353 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5354
5355         PR target/34831
5356         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5357         deciding whether to use reciprocal instructions.
5358
5359 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5360
5361         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5362         dwarf2out_note_section_used if cold_text_section is NULL.
5363
5364 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5365
5366         PR gcov-profile/34610
5367         * tree-cfg.c (make_edges): Mark both outgoing edges from
5368         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5369         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5370         from OMP_FOR and OMP_CONTINUE outgoing edges.
5371
5372         * tree-profile.c (tree_profiling): Return early if
5373         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5374         at the end.
5375         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5376         from cfun to child_cfun.
5377         * function.h (struct function): Add after_tree_profile bit.
5378
5379 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5380
5381         * config/avr/avr.S (_exit): Disable interrupt.
5382
5383 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5384             Steven Bosscher  <stevenb.gcc@gmail.com>
5385
5386         PR rtl-optimization/26854
5387         PR rtl-optimization/34400
5388         * df-problems.c (df_live_scratch): New scratch bitmap.
5389         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5390         (df_live_reset): Clear the proper bitmaps.
5391         (df_live_bb_local_compute): Only process the artificial defs once
5392         since the order is not important.
5393         (df_live_init): Init the df_live sets only with the variables
5394         found live by df_lr.
5395         (df_live_transfer_function): Use the df_lr sets to prune the
5396         df_live sets as they are being computed.
5397         (df_live_free): Free df_live_scratch.
5398
5399 2008-01-18  Ian Lance Taylor  <iant@google.com>
5400
5401         * common.opt: Add fmerge-debug-strings.
5402         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5403         flag_merge_debug_strings rather than flag_merge_constants.
5404         * doc/invoke.texi (Option Summary): Mention
5405         -fmerge-debug-strings.
5406         (Debugging Options): Document -fmerge-debug-strings.
5407
5408 2008-01-18  Ian Lance Taylor  <iant@google.com>
5409
5410         PR c++/33407
5411         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5412         (struct tree_function_decl): Add new field operator_new_flag.
5413         * tree-inline.c (expand_call_inline): When inlining a call to
5414         operator new, force the return value to go into a variable, and
5415         set DECL_NO_TBAA_P on that variable.
5416         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5417
5418 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5419
5420         PR debug/34484
5421         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5422         DWARF2_DEBUGGING_INFO.
5423         (dwarf2out_note_section_used): Ditto.  Add prototype.
5424         (have_multiple_function_sections, text_section_used,
5425         cold_text_section_used, *cold_text_sections): Move declarations
5426         before their uses.
5427
5428 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5429
5430         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5431         field and add signal_ra.
5432         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5433         assignments to frame state pc.  Move end of stack check after
5434         MD_FALLBACK_FRAME_STATE_FOR.
5435         (uw_update_context_1): Use frame state signal_regs if set, instead
5436         of checking signal_frame flag.
5437         (uw_update_context): Use frame state signal_ra if set.
5438         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5439         * config/xtensa/linux-unwind.h: New file.
5440
5441 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5442
5443         * modulo-sched.c (get_sched_window): Fix comment typo.
5444
5445 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5446
5447         PR tree-optimization/34648
5448         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5449
5450 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5451
5452         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5453         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5454
5455 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5456
5457         PR rtl-optimization/34400
5458         * df-core.c (df_worklist_dataflow_overeager,
5459         df_worklist_dataflow_doublequeue): New functions.
5460         (df_worklist_dataflow): Two different worklist solvers.
5461         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5462         New param.
5463
5464 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5465
5466         PR testsuite/34821
5467         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5468         and ftree-parallelize-loops.
5469
5470 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5471
5472         PR rtl-optimization/34826
5473         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5474
5475 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5476
5477         * global.c (find_reg): Mark the eh regs as used if necessary.
5478         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5479         * ra.h (struct allocno): no_eh_reg field added.  Changed
5480         no_stack_reg type to bitfield.
5481
5482 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5483
5484         * tree.c (substitute_in_expr): Add missing 'break'.
5485
5486 2008-01-17  Richard Guenther  <rguenther@suse.de>
5487
5488         PR tree-optimization/34825
5489         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5490         x / x as division to handle.
5491
5492 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5493
5494         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5495         "-pthread" is specified.
5496         * pa-hpux11.h (LIB_SPEC): Likewise.
5497
5498 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5499             Peter Bergner  <bergner@vnet.ibm.com>
5500
5501         PR rtl-optimization/33796
5502         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5503
5504 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5505
5506         PR libgfortran/34699
5507         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5508         static links.
5509         * pa-hpux10.h (LINK_SPEC): Likewise.
5510         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5511
5512 2008-01-16  Richard Guenther  <rguenther@suse.de>
5513
5514         PR middle-end/32628
5515         * fold-const.c (fold_convert_const_int_from_int): Do not
5516         set overflow if that occured only because of a sign extension
5517         change when converting from/to a sizetype with the same
5518         precision and signedness.
5519
5520 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5521
5522         PR debug/34249
5523         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5524         location address to the correct place.  Update copyright year.
5525
5526 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5527
5528         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5529         no dependences in the dependence_relations vector.
5530
5531 2008-01-16  Jan Hubicka  <jh@suse.cz>
5532
5533         PR rtl-optimization/31396
5534         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5535         * cfg.c (dump_reg_info): Print it.
5536         * regs.h (struct reg_info_t): add freq_calls_crossed.
5537         (REG_FREQ_CALLS_CROSSED): New macro.
5538         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5539         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5540         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5541         regmove_optimize): Update call crossed frequencies.
5542         * local-alloc.c (struct qty): Add freq_calls_crossed.
5543         (alloc_qty): Copute freq_calls_crossed.
5544         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5545         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5546         * ra.h (struct allocno): Add freq_calls_crossed.
5547
5548 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5549
5550         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5551         libgomp when compiling with ftree-parallelize-loops.
5552         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5553
5554 2008-01-16  Richard Guenther  <rguenther@suse.de>
5555
5556         PR tree-optimization/34769
5557         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5558         * tree.c (int_cst_value): Instead make this function more
5559         permissive in what it accepts as valid input.  Document this
5560         function always sign-extends the value.
5561
5562 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5563             Richard Guenther  <rguenther@suse.de>
5564
5565         PR c/34668
5566         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5567         (gimple_fold_indirect_ref_rhs): ... this.
5568         (gimple_fold_indirect_ref): New function with foldings
5569         that preserve lvalueness.
5570         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5571         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5572         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5573         to fold an INDIRECT_REF, fall back to the old use of
5574         fold_indirect_ref_1.
5575
5576 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5577
5578         * tree-data-ref.c (subscript_dependence_tester_1): Call
5579         free_conflict_function.
5580         (compute_self_dependence): Same.
5581
5582 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5583
5584         PR debug/34249
5585         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5586         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5587         function global.
5588         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5589         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5590         for DWARF2_UNWIND_INFO targets.
5591
5592 2008-01-16  Richard Guenther  <rguenther@suse.de>
5593
5594         PR c/34768
5595         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5596         type qualifiers for function types.
5597
5598 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5599
5600         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5601         loop_iterator li from previous commit.
5602
5603 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5604
5605         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5606
5607 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5608
5609         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5610         (parallelize_loops): Don't parallelize irreducible components.
5611
5612 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5613
5614         PR c++/24924
5615         * c-opts (c_common_post_options): Do not enable CPP
5616         flag_pedantic_errors by default.
5617
5618 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5619
5620         PR rtl-optimization/31944
5621         * cse.c (remove_pseudo_from_table): New function.
5622         (merge_equiv_classes): Use above function to remove pseudo-registers.
5623         (invalidate): Likewise.
5624
5625 2008-01-13  Richard Guenther  <rguenther@suse.de>
5626
5627         PR middle-end/34601
5628         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5629         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5630
5631 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5632
5633         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5634         validate_change to unshare the source of the PC set.
5635
5636 2008-01-12  Jan Hubicka  <jh@suse.cz>
5637
5638         PR middle-end/32135
5639         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5640         references above array bounds.  This might trigger bounds checks for
5641         pointers to arrays.
5642
5643 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5644
5645         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5646         new_replaceable_dependencies.
5647
5648 2008-01-12  Doug Kwan  <dougkwan@google.com>
5649
5650         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5651         instead of OPT_Wreturn_type in warning due to ignored return type
5652         qualifiers.
5653         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5654         options included in -Wextra.
5655         * c.opt: New option -Wignored_qualifiers.
5656         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5657         -Wignore_qualifiers.
5658         (-Wignored-qualifiers): Document.
5659         (-Wreturn-type): Remove description of functionality now handled
5660         by -Wignored-qualifiers.
5661
5662 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5663
5664         PR ada/33788
5665         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5666         NOP_EXPR if it is between integral types with the same precision.
5667
5668 2008-01-12  Jan Hubicka  <jh@suse.cz>
5669
5670         PR other/28023
5671         * invoke.texi (max-inline-recursive-depth): Fix default value.
5672
5673 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5674
5675         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5676         correct type.
5677
5678 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5679
5680         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5681
5682 2008-01-11  James E. Wilson  <wilson@specifix.com>
5683
5684         PR target/26015
5685         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5686
5687 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5688
5689         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5690         save/restore frame pointer register and don't use 'call-prologues'
5691         optimization in function with "OS_task" attribute.
5692
5693 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5694
5695         PR middle-end/31309
5696         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5697         when copying to memory.
5698
5699 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5700
5701         PR rtl-optimization/30905
5702         * cfgcleanup.c: Include dce.h
5703         (crossjumps_occured): New global variable.
5704         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5705         If something changed, set crossjumps_occured to true.
5706         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5707         Don't add/remove fake edges to exit here...
5708         (cleanup_cfg): ...but do it here, when crossjumping.
5709         Run a fast DCE when successful crossjumps occured in the latest
5710         iteration of try_optimize_cfg.
5711
5712 2008-01-11  Richard Guenther  <rguenther@suse.de>
5713
5714         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5715         (struct vn_unary_op_s): Likewise.
5716         (vn_reference_insert): Free old reference on hash collision.
5717
5718 2008-01-10  Raksit Ashok  <raksit@google.com>
5719
5720         PR rtl-optimization/27971
5721         * combine.c (find_split_point): Split PLUS expressions which are
5722         inside a MEM rtx, and whose first operand is complex.
5723
5724 2008-01-10  DJ Delorie  <dj@redhat.com>
5725
5726         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5727         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5728         (m32c_hard_regno_ok): Call the underlying function.
5729
5730 2008-01-10  Richard Guenther  <rguenther@suse.de>
5731
5732         PR middle-end/34683
5733         * tree-cfg.c (tree_merge_blocks): Do not go through the
5734         full-blown folding and stmt updating path if we just deal
5735         with virtual operands.
5736         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5737         test for abnormal SSA_NAMEs.
5738
5739 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5740
5741         PR middle-end/34641
5742         * reload.c (push_reload): Add assertions.  All constants from
5743         reg_equiv_constant should have been used for replacing the respective
5744         pseudo earlier.
5745         (find_reloads_address): Invoke find_reloads_address_part for
5746         constant taken from the reg_equiv_constant array.
5747
5748 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5749
5750         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5751         field (valnum) the first in the struct.  Replace bools with
5752         unit bit fields.
5753
5754 2008-01-10  Richard Guenther  <rguenther@suse.de>
5755
5756         PR tree-optimization/34651
5757         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5758         types and ordering for masking and converting.
5759
5760 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5761
5762         PR tree-optimization/34017
5763         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5764         also for PHI_NODE expressions.
5765
5766 2008-01-09  Jan Hubicka  <jh@suse.cz>
5767
5768         PR tree-optimization/34708
5769         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5770         based on number of case labels.
5771         (init_inline_once): Remove switch_cost.
5772         * tree-inline.h (eni_weights_d): Remove switch_cost.
5773
5774 2008-01-09  Richard Guenther  <rguenther@suse.de>
5775         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5776
5777         PR middle-end/30132
5778         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5779         temporary if an rvalue is ok or an lvalue is not required.
5780
5781 2008-01-09  Richard Guenther  <rguenther@suse.de>
5782
5783         PR middle-end/34458
5784         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5785         adjust return type.
5786
5787 2008-01-09  Richard Guenther  <rguenther@suse.de>
5788
5789         PR middle-end/34679
5790         * tree.c (host_integerp): Check for sizetype only if the
5791         type is an integer type.
5792
5793 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5794
5795         PR debug/26364
5796         * opts.c (decode_options): Disable inlining of functions called
5797         once if not in unit-at-a-time mode.
5798
5799 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5800
5801         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5802
5803 2008-01-08  Richard Guenther  <rguenther@suse.de>
5804
5805         PR middle-end/31863
5806         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5807         out early if the result will be unused.
5808
5809 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5810
5811         PR target/34709
5812         Revert:
5813
5814         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5815         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5816         for TARGET_RECIP.
5817
5818 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5819
5820         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5821         for vectorization tuned.
5822
5823 2008-01-08  Richard Guenther  <rguenther@suse.de>
5824
5825         PR tree-optimization/34683
5826         * tree-ssa-operands.c (operand_build_cmp): Export.
5827         * tree-ssa-operands.h (operand_build_cmp): Declare.
5828         * tree-vn.c (vuses_compare): Remove.
5829         (sort_vuses): Use operand_build_cmp.
5830         (sort_vuses_heap): Likewise.
5831         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5832         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5833         (vdefs_to_vec): Do not sort already sorted VDEFs.
5834
5835 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5836
5837         PR middle-end/34694
5838         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5839
5840 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5841
5842         PR target/34702
5843         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5844         limitations of reciprocal sequences on x86 targets.
5845
5846 2008-01-08  Richard Guenther  <rguenther@suse.de>
5847
5848         PR tree-optimization/34683
5849         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5850
5851 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5852
5853         PR target/34622
5854         * config/darwin.c (darwin_mergeable_string_section): Don't use
5855         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5856
5857 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5858
5859         PR target/34682
5860         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5861         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5862         predicates of op0 and op1 to register_operand.
5863         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5864         expander using X87MODEF mode iterator.  Change predicates of
5865         op0 and op1 to register_operand.
5866         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5867         corresponding patterns and macroize using MODEF macro.  Change
5868         predicates of op0 and op1 to register_operand and remove
5869         "m" constraint. Disparage "r" alternative with "!".
5870         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5871         macroize using X87MODEF macro.  Change predicates of op0 and op1
5872         to register_operand and remove "m" constraint.  Disparage "r"
5873         alternative with "!".
5874         (absneg splitter with memory operands): Remove.
5875         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5876         patterns and macroize using X87MODEF mode iterator.
5877         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5878         Change predicate of op1 to register_operand.
5879         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5880         for memory operands.
5881
5882 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5883
5884         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5885
5886 2008-01-07  Richard Guenther  <rguenther@suse.de>
5887
5888         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5889         fields.
5890
5891 2008-01-07  Richard Guenther  <rguenther@suse.de>
5892
5893         PR tree-optimization/34683
5894         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5895         VOPs of the needed size to save memory.  Use VEC_quick_push
5896         to save compile-time.
5897         (vdefs_to_vec): Likewise.
5898
5899 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5900
5901         * config/spu/spu.md (divdf3): Genetate inline code for double
5902         division.  The implementation doesn't handle INF or NAN, therefore it
5903         only applies when -ffinite-math-only is given.
5904
5905 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5906
5907         PR libstdc++/34680
5908         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5909         * doc/cpp.texi ([Common Predefined Macros]): Document.
5910
5911 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5912
5913         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5914         order to use commutative addition instead of subtraction.
5915
5916 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5917             Mircea Namolaru  <namolaru@il.ibm.com>
5918             Vladimir Yanovsky  <yanov@il.ibm.com>
5919             Revital Eres  <eres@il.ibm.com>
5920
5921         PR tree-optimization/34263
5922         * tree-outof-ssa.c (process_single_block_loop_latch,
5923         contains_tree_r): New functions.
5924         (analyze_edges_for_bb): Call process_single_block_loop_latch
5925         function to empty single-basic-block latch block if possible.
5926
5927 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5928
5929         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5930         for TARGET_RECIP.
5931         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5932
5933 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5934
5935         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5936
5937 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5938
5939         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5940
5941 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5942
5943         PR tree-optimization/34618
5944         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5945         flag from T.
5946
5947 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5948
5949         PR target/34673
5950         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5951         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5952         Update copyright year.
5953
5954         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5955         Update copyright year.
5956         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5957         using NR fixup.
5958
5959 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5960
5961         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5962         edge does not point to current bb before changing need_assert.
5963
5964 2008-01-04  Richard Guenther  <rguenther@suse.de>
5965
5966         PR middle-end/34029
5967         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5968         for verifying purposes if they are is_gimple_min_invariant.
5969
5970 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5971
5972         PR tree-optimization/34448
5973         PR tree-optimization/34465
5974         * gimplify.c (gimplify_init_constructor): Add new parameter
5975         notify_temp_creation.  Use it.
5976         (gimplify_modify_expr_rhs): Take volatiles into account when
5977         optimizing constructors.
5978         Do not optimize constructors if gimplify_init_constructor will dump to
5979         memory.
5980         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5981         * gcc.c-torture/compile/pr34448.c: New.
5982
5983 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5984
5985         PR gcov-profile/34609
5986         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5987         return_slot if result is TREE_ADDRESSABLE.
5988
5989 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5990
5991         * config/mips/mips.md (sqrt_condition): Tweak comment.
5992         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5993
5994 2008-01-03  Tom Tromey  <tromey@redhat.com>
5995
5996         PR c/34457
5997         * c-common.c (c_type_hash): Handle VLAs.
5998
5999 2008-01-03  Jan Hubicka  <jh@suse.cz>
6000
6001         PR tree-optimization/31081
6002         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6003         0 when inlining and not inlining to first basic block.
6004         (remap_decl): When var is initialized to 0, don't set default_def.
6005         (expand_call_inline): Set entry_bb.
6006         * tree-inline.h (copy_body_data): Add entry_bb.
6007
6008 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6009
6010         PR c++/34619
6011         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6012         before returning.
6013
6014         PR tree-optimization/29484
6015         * tree-inline.c (inline_forbidden_p_2): New function.
6016         (inline_forbidden_p): Disallow inlining if some static var
6017         has an address of a local LABEL_DECL in its initializer.
6018         * doc/extend.texi (Labels as Values): Document &&foo behaviour
6019         vs. inlining.
6020
6021 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
6022
6023         PR tree-optimization/34635
6024         * tree-data-ref.c (add_other_self_distances): Make sure that the
6025         evolution step is constant.
6026
6027 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6028
6029         PR middle-end/34608
6030         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6031
6032 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
6033
6034         * tree-sra.c (scalarize_init): Insert the generate_element_init
6035         statements after the generate_element_zero statements.
6036
6037 2008-01-02  Richard Guenther  <rguenther@suse.de>
6038
6039         PR middle-end/34093
6040         PR middle-end/31976
6041         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6042         for very large number of operands instead of ICEing.
6043
6044 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
6045
6046         PR target/34013
6047         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6048         while stack probing.
6049
6050 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
6051
6052         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6053         in C++0x mode.
6054
6055 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
6056
6057         PR libmudflap/26442
6058         * tree-mudflap.c (mx_register_decls): Guard warning by
6059         !DECL_ARTIFICIAL check.
6060
6061 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
6062
6063         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6064         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6065         sse5_perm<mode>): Fix constraints.