gcc/ChangeLog

   1 2008-04-06  Anatoly Sokolov <aesok@post.ru>
   2
   3         * config/avr/avr.h (avr_mega_p): Remove declaration.
   4         (AVR_MEGA): Remove macro.
   5         * config/avr/avr.c (avr_mega_p): Remove variable.
   6         (avr_override_options): Remove inicializion of avr_mega_p.
   7         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
   8         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
   9         (avr_jump_mode): (Ditto.).
  10         (avr_output_progmem_section_asm_op): (Ditto.).
  11         (avr_asm_init_sections): (Ditto.).
  12         (avr_asm_init_sections): (Ditto.).
  13         (avr_rtx_costs): (Ditto.).
  14         * config/avr/avr.md: (Ditto.).
  15         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
  16         '__AVR_MEGA__'.
  17
  18 2008-04-06  Richard Guenther  <rguenther@suse.de>
  19
  20         PR tree-optimization/35842
  21         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
  22         is_gimple_invariant_address.
  23
  24 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
  25
  26         * gcc.c (default_compilers): Sync Fortran extensions list with
  27         that in fortran/lang-specs.h.
  28         * doc/invoke.texi: Likewise.
  29         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
  30         * dwarf2out.c (gen_compile_unit_die): Likewise.
  31
  32 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
  33
  34         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
  35
  36 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
  37
  38         PR target/12329
  39         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
  40         attribute is used for nested functions.
  41
  42 2008-04-05  Jan Hubicka  <jh@suse.cz>
  43
  44         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
  45
  46         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
  47         letter argument.
  48         (dump_files): Update.
  49         (enable_rtl_dump_file): Do not accept letter argument.
  50         * tree-pass.h (dump_file_info): Remove letter argument.
  51         * toplev.c (decode_d_option): Update -da handling.
  52         * toplev.h (enable_rtl_dump_file): Update prototype.
  53         * passes.c (register_one_dump_file): Do not accept IPA argument; work
  54         it out based on pass type.
  55         (register_dump_files_1): Likewise.
  56         (init_optimization_passes): Update register_one_dump_file calls.
  57         (execute_one_pass): Sanity check that IPA passes are called at IPA
  58         level and RTL passes at RTL level.
  59         (execute_pass_list): IPA pass can not be after or subpass of
  60         GIMPLE/RTL pass.
  61         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
  62         disallov RTL subpasses of IPA subpasses.
  63
  64 2008-04-05  Ben Elliston  <bje@au.ibm.com>
  65
  66         * tree-cfg.c (need_fake_edge_p): Return false for calls to
  67         builtins that return exactly once and do not throw. Cache call to
  68         call_expr_flags.
  69
  70 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
  71
  72         PR rtl-optimization/34916
  73         PR middle-end/35519
  74         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
  75         between instruction pairs.
  76
  77 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
  78
  79         * doc/invoke.texi: Document -mbitops for SH.
  80         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
  81         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
  82         * config/sh/sh.c (print_operand): Add %t operand code.
  83         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
  84         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
  85         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
  86         (extendqihi2): Likewise.
  87         (movqi_i): Likewise.
  88         (insv): Use bset, bclr and bst instructions for SH2A if possible.
  89         (extv): Use bld instruction for SH2A if possible.
  90         (extzv): Likewise.
  91         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
  92         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
  93         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
  94         (bset.b, bclr.b): Define peepholes.
  95         * config/sh/sh.opt (mbitops): New option.
  96
  97 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
  98
  99         PR target/35620
 100         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
 101         and view convert expression.
 102
 103 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
 104
 105         PR target/35364
 106         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
 107
 108 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
 109
 110         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
 111
 112         * config/i386/cpuid.h (bit_AES): New.
 113         (bit_PCLMUL): Likewise.
 114
 115         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
 116         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
 117         SSE2 if AES or PCLMUL is enabled.
 118         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
 119         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
 120         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
 121         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
 122         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
 123         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
 124         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
 125         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
 126         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
 127         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
 128         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
 129         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
 130         __builtin_ia32_aeskeygenassist128 and
 131         __builtin_ia32_pclmulqdq128.
 132         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
 133         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
 134         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
 135
 136         * config/i386/i386.h (TARGET_AES): New.
 137         (TARGET_PCLMUL): Likewise.
 138         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
 139
 140         * config/i386/i386.md (UNSPEC_AESENC): New.
 141         (UNSPEC_AESENCLAST): Likewise.
 142         (UNSPEC_AESDEC): Likewise.
 143         (UNSPEC_AESDECLAST): Likewise.
 144         (UNSPEC_AESIMC): Likewise.
 145         (UNSPEC_AESKEYGENASSIST): Likewise.
 146         (UNSPEC_PCLMUL): Likewise.
 147
 148         * config/i386/i386.opt (maes): New.
 149         (mpclmul): Likewise.
 150
 151         * config/i386/sse.md (aesenc): New pattern.
 152         (aesenclast): Likewise.
 153         (aesdec): Likewise.
 154         (aesdeclast): Likewise.
 155         (aesimc): Likewise.
 156         (aeskeygenassist): Likewise.
 157         (pclmulqdq): Likewise.
 158
 159         * config/i386/wmmintrin.h: New.
 160
 161         * doc/extend.texi: Document AES and PCLMUL built-in function.
 162
 163         * doc/invoke.texi: Document -maes and -mpclmul.
 164
 165 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
 166
 167         * function.c (free_after_parsing): Replace with
 168         cxx_push_function_context from C++ front-end.
 169         (allocate_struct_function): Don't call langhook.
 170         * langhooks.h (struct lang_hooks_for_functions): Delete.
 171         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
 172         member "function".
 173         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
 174         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
 175         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
 176         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
 177         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
 178         remove LANG_HOOKS_FUNCTION_INITIALIZER.
 179         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
 180
 181         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
 182         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
 183
 184 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
 185
 186         PR c/35440
 187         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
 188         for all types.
 189
 190 2008-04-04  Richard Guenther  <rguenther@suse.de>
 191
 192         PR middle-end/35823
 193         * fold-const.c (optimize_minmax_comparison): Use the correct
 194         type for the constant in the simplified comparison.
 195
 196 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
 197
 198         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
 199         Pass L2 size as "--param l2-cache-size" to the compiler.
 200         (decode_l2_cache): New function to decode L2 cache parameters using
 201         0x8000006 extended cpuid function.
 202         (detect_caches_amd): Determine parameters of L2 cache using
 203         decode_l2_caches function.
 204         (decode_caches_intel): Decode L2 cache parameters.
 205         (detect_caches_intel): Determine L2 cache parameters using
 206         decode_caches_intel and decode_l2_caches functions.
 207
 208 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
 209
 210         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
 211         secondary input reload for subword loads from the constant pool.
 212
 213 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
 214
 215         PR target/35713
 216         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
 217           constants of the appropriate size for runtime calculations.
 218
 219         PR c/35712
 220         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
 221           decimal-float literal constant zero.
 222
 223 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
 224
 225         PR c/35738
 226         * c-parser.c (c_parser_omp_atomic): Call
 227         default_function_array_conversion on the RHS.
 228
 229         PR middle-end/35818
 230         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
 231         call is_variable_sized if decl has incomplete type.
 232
 233 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
 234
 235         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
 236
 237 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
 238
 239         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
 240         iterators.
 241         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
 242         leu.
 243         (sgt<u>): Merge sgt and sgtu into new expander.
 244         (sgt, sgtu): Remove expanders.
 245         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
 246         pattern.
 247         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
 248         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
 249         *sgtu_<mode>_mips16 into new pattern.
 250         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
 251         (sge<u>): Merge sge and sgeu into new expander.
 252         (sge, sgeu): Remove expanders.
 253         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
 254         new pattern.
 255         (*sge_<mode>, second *sge_<mode>): Remove patterns.
 256         (slt<u>): Merge slt and sltu into new expander.
 257         (slt, sltu): Remove expanders.
 258         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
 259         pattern.
 260         (*slt_<mode>, *sltu_<mode>): Remove patterns.
 261         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
 262         *sltu_<mode>_mips16 into new pattern.
 263         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
 264         (sle<u>): Merge sle and sleu into new expander.
 265         (sle, sleu): Remove expanders.
 266         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
 267         pattern.
 268         (*sle_<mode>, *sleu_<mode>): Remove patterns.
 269         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
 270         *sleu_<mode>_mips16 into new pattern.
 271         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
 272
 273 2008-04-03  Jan Hubicka  <jh@suse.cz>
 274
 275         PR tree-optimization/35795
 276         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
 277         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
 278         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
 279         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
 280         * score/score3.c (score3_output_mi_thunk): Likewise.
 281         * score/score7.c (score7_output_mi_thunk): Likewise.
 282         * mips/mips.c (mips_output_mi_thunk): Likewise.
 283
 284 2008-04-03  Richard Guenther  <rguenther@suse.de>
 285
 286         * tree-vrp.c (extract_range_from_unary_expr): Handle all
 287         conversions.  Simplify code.
 288
 289 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
 290
 291         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
 292
 293 2008-04-03  Tom Tromey  <tromey@redhat.com>
 294             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 295
 296         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
 297         * config/bfin/t-bfin-linux (generated_files): Add
 298         linux-sysroot-suffix.h.
 299         * doc/install.texi (Prerequisites): Require make 3.80.
 300         * doc/sourcebuild.texi (Front End Directory): Document new
 301         variable.
 302         * Makefile.in (generated_files): New variable.
 303         (ALL_HOST_OBJS): New variable.
 304         ($(ALL_HOST_OBJS)): New target.
 305
 306 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
 307
 308         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
 309         (remap_block): Call id->transform_lang_insert_block instead
 310         of langhook.
 311         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
 312         Set id.transform_lang_insert_block to NULL.
 313         (clone_body): Move to cp/optimize.c
 314         * tree-inline.h (struct copy_body_data): Change
 315         transform_lang_insert_block to function pointer.
 316         (copy_generic_body, copy_decl_no_change): Export.
 317         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
 318         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
 319         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
 320
 321         * c-tree.h (insert_block): Kill.
 322         * c-decl.c (insert_block): Kill.
 323
 324 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
 325
 326         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
 327         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
 328         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
 329         argument.
 330         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
 331         argument, call {push,pop}_function_context from here.
 332         * c-parser.c: Use c_{push,pop}_function_context.
 333
 334         * function.c (push_function_context_to): Move meat ...
 335         (push_function_context): ... here.  Simplify.
 336         * function.c (pop_function_context_from): Move meat ...
 337         (pop_function_context): ... here.  Simplify.
 338         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
 339         leave_nested).
 340         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
 341         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
 342         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
 343         * tree.h (push_function_context_to, pop_function_context_from): Remove.
 344
 345 2008-04-03  Ben Elliston  <bje@au.ibm.com>
 346
 347         * expmed.c (extract_force_align_mem_bit_field): Remove.
 348
 349 2008-04-03  Richard Guenther  <rguenther@suse.de>
 350
 351         PR middle-end/35800
 352         * expr.h (try_casesi): Adjust prototype.
 353         * expr.c (try_casesi): Take fallback label as extra parameter.
 354         Use that for gen_casesi if default_label is NULL.
 355         * stmt.c (expand_case): Pass fallback label to try_casesi,
 356         make sure to fill gaps with a fallback label if default_label
 357         is not present.
 358
 359 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
 360
 361         PR target/35801
 362         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
 363
 364 2008-04-03  Ben Elliston  <bje@au.ibm.com>
 365
 366         * expmed.c (extract_split_bit_field): Remove if (0) code.
 367         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
 368         (do_ds_constraint): Likewise.
 369
 370 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
 371
 372         * doc/cppopts.texi (-dU): Document.
 373         * c-common.h (flag_dump_macros): Update comment.
 374         * c-opts.c (handle_OPT_d): Handle -dU.
 375         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
 376         dump_queued_macros, cb_used_define, cb_used_undef): New.
 377         (init_pp_output): Handle -dU.
 378         (cb_line_change): Call dump_queued_macros.
 379         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
 380
 381 2008-04-02  Anatoly Sokolov <aesok@post.ru>
 382
 383         * config/avr/predicates.md (io_address_operand): New predicate.
 384         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
 385         * config/avr/avr.c (avr_io_address_p): Remove function.
 386         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
 387         'avr_io_address_p' function.
 388         (out_movhi_r_mr): (Ditto.).
 389         (out_movqi_mr_r): (Ditto.).
 390         (out_movhi_mr_r): (Ditto.).
 391         (avr_address_cost): (Ditto.).
 392
 393 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
 394
 395         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
 396         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
 397         in 32bit mode when XMM registers are available to avoid store
 398         forwarding stalls.
 399         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
 400         corresponding post-reload splitters.
 401
 402 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 403
 404         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
 405         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
 406         __builtin_ia32_roundss.
 407         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
 408         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
 409         __builtin_ia32_roundss.
 410         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
 411         IX86_BUILTIN_SHUFPD here.
 412
 413 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 414
 415         * config/i386/i386.md (plogic): New.
 416         (plogicprefix): Likewise.
 417
 418         * config/i386/mmx.md (mmx_<code><mode>3): New.
 419         (mmx_and<mode>3): Removed.
 420         (mmx_ior<mode>3): Likewise.
 421         (mmx_xor<mode>3): Likewise.
 422
 423         * config/i386/sse.md (<code><mode>3): New.
 424         (*<code><mode>3): Likewise.
 425         (*<code><mode>3): Likewise.
 426         (<code><mode>3): Likewise.
 427         (*sse_<code><mode>3): Likewise.
 428         (*sse2_<code><mode>3): Likewise.
 429         (<code>tf3): Likewise.
 430         (*<code>tf3): Likewise.
 431         (and<mode>3): Likewise.
 432         (*and<mode>3): Likewise.
 433         (ior<mode>3): Removed.
 434         (*ior<mode>3): Likewise.
 435         (xor<mode>3): Likewise.
 436         (*xor<mode>3): Likewise.
 437         (*and<mode>3): Likewise.
 438         (*ior<mode>3): Likewise.
 439         (*xor<mode>3): Likewise.
 440         (and<mode>3): Likewise.
 441         (*sse_and<mode>3): Likewise.
 442         (*sse2_and<mode>3): Likewise.
 443         (andtf3): Likewise.
 444         (*andtf3): Likewise.
 445         (ior<mode>3): Likewise.
 446         (*sse_ior<mode>3): Likewise.
 447         (*sse2_ior<mode>3): Likewise.
 448         (iortf3): Likewise.
 449         (*iortf3): Likewise.
 450         (xor<mode>3): Likewise.
 451         (*sse_xor<mode>3): Likewise.
 452         (*sse2_xor<mode>3): Likewise.
 453         (xortf3): Likewise.
 454         (*xortf3): Likewise.
 455
 456 2008-04-02  Richard Guenther  <rguenther@suse.de>
 457
 458         PR tree-optimization/14495
 459         PR tree-optimization/34793
 460         * tree-vrp.c (struct switch_update): New structure.
 461         (to_remove_edges, to_update_switch_stmts): New VECs.
 462         (simplify_switch_using_ranges): New function.  Remove not taken
 463         case labels and edges.
 464         (simplify_stmt_using_ranges): Call it.
 465         (identify_jump_threads): Mark edges we have queued for removal
 466         so we don't thread them.
 467         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
 468         case label vector.
 469         * tree-cfg.c (group_case_labels): Deal with missing default label.
 470         (tree_verify_flow_info): Allow missing default label.
 471         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
 472         (emit_case_nodes): Likewise.
 473         (expand_case): Do not rely on the default label to be present.
 474         * expr.c (try_casesi): Deal with NULL default_label.
 475         (do_tablejump): Likewise.
 476
 477 2008-04-02  Richard Guenther  <rguenther@suse.de>
 478
 479         PR tree-optimization/14495
 480         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
 481         SWITCH_EXPR here ...
 482         (vrp_visit_switch_stmt): ... but here (new function).
 483         (find_case_label_index): New helper function.
 484         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
 485
 486 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 487
 488         * fwprop.c: Fix ISO-C99ism.
 489
 490 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 491
 492         PR bootstrap/35752
 493         * Makefile.in (objdir): Set it here.
 494         * configure.ac: Not here.  Find dynamic linker characteristics.
 495         * exec-tool.in: Use them.
 496         * aclocal.m4: Regenerate.
 497         * configure: Regenerate.
 498
 499 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 500
 501         * expr.c (expand_var): Delete it.
 502         * expr.h (expand_var): Delete prototype.
 503         * function.c (expand_function_start): Use expand_decl instead.
 504         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
 505         langhook.
 506
 507 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
 508
 509         PR rtl-optimization/35542
 510         * fwprop.c (forward_propagate_and_simplify): Replace
 511         loc_reg_mentioned_in_p with reg_mentioned_p.
 512
 513 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
 514
 515         PR rtl-optimization/35281
 516         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
 517         (propagate_rtx_1): Handle PR_HANDLE_MEM.
 518         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
 519         (varying_mem_p): Move above propagate_rtx.
 520         (all_uses_available_at): Do not check MEMs.
 521
 522 2008-04-02  Rafael Espindola  <espindola@google.com>
 523
 524         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
 525         (register_edge_assert_for_2): Split the cond argument.
 526         (register_edge_assert_for_1): Adjust for the change in
 527         register_edge_assert_for_2.
 528         (register_edge_assert_for): Split the cond argument.
 529         (find_switch_asserts): Adjust for the change in
 530         register_edge_assert_for.
 531
 532 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
 533
 534         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
 535         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
 536         offsets for 64-bit mingw.
 537         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
 538         abi for x86_64-pc-mingw.
 539
 540 2008-04-02  Richard Guenther  <rguenther@suse.de>
 541
 542         * tree-vrp.c (extract_range_from_assert): Make sure to not
 543         produce range min/max with TREE_OVERFOW set.
 544         If merging a anti-range and a range keep the anti-range if
 545         the range covers all values of the type.
 546         (register_edge_assert_for_2): Only allow sign-changing
 547         conversions in detecting canonical range checks.  Also
 548         register an assert for the unsigned name if useful.
 549
 550         PR tree-optimization/35787
 551         * tree-vrp.c (vrp_val_max): New function.
 552         (vrp_val_min): Likewise.
 553         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
 554         (vrp_val_is_min): Likewise.
 555         (supports_overflow_infinity): Use vrp_val_{min,max}.
 556         (negative_overflow_infinity): Likewise.
 557         (positive_overflow_infinity): Likewise.
 558         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
 559         (is_positive_overflow_infinity): Likewise.
 560         (is_overflow_infinity): Likewise.
 561         (avoid_overflow_infinity): Use vrp_val_{min,max} and
 562         vrp_val_is_{min,max}.
 563         (set_and_canonicalize_value_range): Canonicalize anti-ranges
 564         to ranges if possible.  Avoid empty ranges.
 565
 566 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 567
 568         PR middle-end/35705
 569         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
 570         the expression is a function address.
 571
 572 2008-04-01  George Helffrich  <george@gcc.gnu.org>
 573
 574         PR fortran/PR35154, fortran/PR23057
 575         * fortran/trans-common.c (create_common):  Add decl to function
 576         chain to preserve identifier scope in debug output.
 577
 578         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
 579         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
 580         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
 581         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
 582         in common.
 583         (dbxout_syms): Check for COMMON-based symbol and wrap in
 584         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
 585         in bracket for efficiency.
 586
 587         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
 588         using DW_TAG_common_block + member offset.
 589         (add_pubname_string): New function.
 590         (dw_expand_expr): New function to find block name and offset for
 591         COMMON var.
 592         (common_check): New function to check whether symbol in Fortran COMMON.
 593         (gen_variable_die): If COMMON, use DW_TAG_common_block.
 594
 595         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
 596         use of common is unchanged.
 597
 598         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
 599         with all combinations of debug options available on target.
 600         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
 601         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
 602         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
 603         .stabs functionality.
 604         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
 605         DWARF functionality.
 606
 607 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
 608
 609         PR c/35436
 610         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
 611
 612 2008-04-02  Ben Elliston  <bje@au.ibm.com>
 613
 614         * config/v850/v850.md (casesi): Remove if (0) code.
 615         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
 616         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
 617
 618 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
 619
 620         * config/i386/i386.md (rex64suffix): New mode attribute.
 621         (floathi<mode>2): Disable expander for SSE math.
 622         (*floathi<mode>2_1): New insn insn_and_split pattern.
 623         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
 624         corresponding post-reload splitters.
 625         (*floathi<mode>2_i387): New macroized insn pattern.
 626         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
 627         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
 628         insn_and_split pattern.
 629         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
 630         New macroized instruction patterns and corresponding post-reload
 631         splitters.
 632         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
 633         and corresponding post-reload splitters.
 634         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
 635         New macroized instruction patterns.
 636         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
 637         macroized instruction patterns and corresponding post-reload splitters.
 638         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
 639         corresponding post-reload splitters.
 640         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
 641         New macroized instruction patterns.
 642         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
 643         corresponding post-reload splitters.
 644         (*floatsi<mode>2_i387): New macroized instruction patterns.
 645
 646 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
 647
 648         * config/i386/i386.md (smaxmin): New.
 649         (umaxmin): Likewise.
 650         (maxminiprefix): Likewise.
 651         (maxminfprefix): Likewise.
 652         (<code><mode>3): Likewise.
 653         (smin<mode>3): Removed.
 654         (smax<mode>3): Likewise.
 655
 656         * config/i386/mmx.md (mmx_<code>v2sf3): New.
 657         (mmx_<code>v4hi3): Likewise.
 658         (mmx_<code>v8qi3): Likewise.
 659         (mmx_smaxv2sf3): Removed.
 660         (mmx_sminv2sf3): Likewise.
 661         (mmx_umaxv8qi3): Likewise.
 662         (mmx_smaxv4hi3): Likewise.
 663         (mmx_uminv8qi3): Likewise.
 664         (mmx_sminv4hi3): Likewise.
 665
 666         * config/i386/sse.md (<addsub><mode>3): New.
 667         (*<addsub><mode>3): Likewise.
 668         (<sse>_vm<addsub><mode>3): Likewise.
 669         (<maxmin><mode>3): Likewise.
 670         (*<maxmin><mode>3_finite): Likewise.
 671         (*<maxmin><mode>3): Likewise.
 672         (<sse>_vm<maxmin><mode>3): Likewise.
 673         (sse3_h<addsub>v4sf3): Likewise.
 674         (sse3_h<addsub>v2df3): Likewise.
 675         (<maxmin>v16qi3): Likewise.
 676         (*<maxmin>v16qi3): Likewise.
 677         (<maxmin>v8hi3): Likewise.
 678         (*<maxmin>v8hi3): Likewise.
 679         (*sse4_1_<maxmin><mode>3): Likewise.
 680         (*sse4_1_<maxmin><mode>3): Likewise.
 681         (add<mode>3): Removed.
 682         (*add<mode>3): Likewise.
 683         (<sse>_vmadd<mode>3): Likewise.
 684         (sub<mode>3): Likewise.
 685         (*sub<mode>3): Likewise.
 686         (<sse>_vmsub<mode>3): Likewise.
 687         (smin<mode>3): Likewise.
 688         (*smin<mode>3_finite): Likewise.
 689         (*smin<mode>3): Likewise.
 690         (<sse>_vmsmin<mode>3): Likewise.
 691         (smax<mode>3): Likewise.
 692         (*smax<mode>3_finite): Likewise.
 693         (*smax<mode>3): Likewise.
 694         (<sse>_vmsmax<mode>3): Likewise.
 695         (sse3_haddv4sf3): Likewise.
 696         (sse3_haddv2df3): Likewise.
 697         (sse3_hsubv4sf3): Likewise.
 698         (sse3_hsubv2df3): Likewise.
 699         (umaxv16qi3): Likewise.
 700         (*umaxv16qi3): Likewise.
 701         (smaxv8hi3): Likewise.
 702         (*smaxv8hi3): Likewise.
 703         (*sse4_1_smax<mode>3): Likewise.
 704         (*sse4_1_umax<mode>3): Likewise.
 705         (uminv16qi3): Likewise.
 706         (*uminv16qi3): Likewise.
 707         (sminv8hi3): Likewise.
 708         (*sminv8hi3): Likewise.
 709         (*sse4_1_smin<mode>3): Likewise.
 710         (*sse4_1_umin<mode>3): Likewise.
 711
 712 2008-04-01  Rafael Espindola  <espindola@google.com>
 713
 714         * tree-cfg.c (verify_expr): remove in_phi.
 715         (verify_stmt): Don't call walk_tree with verify_expr. Use
 716         is_gimple_min_invariant instead of is_gimple_val.
 717
 718 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
 719
 720         * doc/include/gpl_v3.texi: Update for manpage generation.
 721         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
 722         gpl.texi.
 723         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
 724         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
 725         gpl_v3.texi instead of gpl.texi.
 726         (gpl.pod): New.
 727
 728 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
 729
 730         PR pch/13675
 731         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
 732
 733 2008-04-01  Rafael Espindola  <espindola@google.com>
 734
 735         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
 736         (extract_code_and_val_from_cond): Use
 737         extract_code_and_val_from_cond_with_ops.
 738
 739 2008-04-01  Jan Hubicka  <jh@suse.cz>
 740
 741         * function.c (free_after_compilation): Free epilogue_delay_list.
 742         (prepare_function_start): Assert that previous compilation was freed.
 743
 744 2008-04-01  Jan Hubicka  <jh@suse.cz>
 745             Jim Wilson  <wilson@tuliptree.org>
 746             Andreas Tobler <andreast@gcc.gnu.org>
 747
 748         PR middle-end/35781
 749         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
 750         rtl.emit instead cfun->emit.
 751         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
 752         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
 753
 754 2008-04-01  Ben Elliston  <bje@au.ibm.com>
 755
 756         * doc/c-tree.texi (Function Basics): Fix grammatical error.
 757
 758 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
 759
 760         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
 761         New options
 762         (fprofile-use): Add var flag_profile_use
 763         * coverage.c (coverage_begin_output): Do not open a gcno file for
 764         output only if -ftest-coverage is set.
 765         Do not add getpwd() to gcda file path.
 766         (build_gcov_info): Check the new flag
 767         flag_profile_datafile_relative_path.
 768         (coverage_init): Use profile_data_prefix.
 769         Read profile counter only if flag_profile_use is set.
 770         * opts.c (common_handle_option): New option fprofile-use=,
 771         fprofile-dir=, fprofile-generate=.
 772         * toplev.c (profile_data_prefix): New variable definition.
 773         * toplev.h (profile_data_prefix): New declaration.
 774         * doc/invoke.tex (Option Summary, Optimization Options):
 775         Add new options.
 776
 777 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
 778
 779         * varasm.c (output_constant_pool_1): In LABEL_REF check,
 780         use tmp consistently.
 781
 782         PR target/35695
 783         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
 784         * config/ia64/ia64.c (rtx_needs_barrier): Handle
 785         UNSPEC_FR_RECIP_APPROX_RES.
 786         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
 787
 788 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
 789
 790         PR c/35750
 791         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
 792
 793 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 794
 795         PR middle-end/30186
 796         * fold-const.c (fold_indirect_ref_1): Support accessing non first
 797         element of the vector via a pointer.
 798
 799 2008-03-31  Ian Lance Taylor  <iant@google.com>
 800
 801         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
 802
 803 2008-03-31  Jan Hubicka  <jh@suse.cz>
 804
 805         * builtins.c (expand_builtin_setjmp_receiver): Update call of
 806         get_arg_pointer_save_area.
 807         * expr.c (init_expr): Just clear out rtl.expr.
 808         * function.c (free_after_compilation): Clear out whole RTL structure.
 809         (get_func_frame_size): Merge into ...
 810         (get_frame_size): ... this one.
 811         (assign_stack_local_1): Merge into ...
 812         (assign_stack_local): ... this one.
 813         (expand_function_end): Update call of get_arg_pointer_save_area.
 814         (get_art_pointer_save_area): Remove cfun argument.
 815         * function.h (emit_status): regno_pointer_align does not need length
 816         attribute. Move x_regno_reg_rtx to ...
 817         (regno_reg_rtx): ... new global array.
 818         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
 819         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
 820         apply_args_value, forced_labels, stack_pointer_delta):
 821         Update accestors.
 822         (struct varasm_status): Move here from varasm.c
 823         (struct rtl_data): New. Move here some fields from struct function.
 824         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
 825         frame_offset, stack_check_probe_note, arg_pointer_save_area,
 826         used_temp_slots avail_temp_slots, temp_slot_level,
 827         nonlocal_goto_handler_labels): Update accesstors.
 828         (rtl): New global variable.
 829         (struct function): Move some fileds to rtl_data.
 830         (get_arg_pointer_save_area): Update prototype.
 831         * emit-rtl.c (rtl): Declare.
 832         (regno_reg_rtx): Declare.
 833         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
 834         Update.
 835         (gen_reg_rtx): Update.
 836         (init_virtual_regs): Do not tate emit_status argument.
 837         (init_emit): Do not allocate emit.
 838         * varasm.c (varasm_statuc): Move to function.h.
 839         (n_deferred_constatns): Update accestor.
 840         (init_varasm_status): Do not allocate varasm_status.
 841         (force_const_mem, get_pool_size, output_constant_pool): Update.
 842         * stmt.c (force_label_rtx): Do not use x_ prefixes.
 843         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
 844
 845 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
 846
 847         PR rtl-optimization/35729
 848         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
 849         references.
 850
 851 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 852
 853         PR target/32000
 854         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
 855         load/store if memory is unaligned.
 856         (*movti_rex64): Likewise.
 857
 858         * config/i386/predicates.md (misaligned_operand): New.
 859
 860 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
 861
 862         PR tree-opt/35431
 863         * tree-ssa-phiopt.c (conditional_replacement): Return early for
 864         complex types.
 865
 866 2008-03-31  Jan Beulich  <jbeulich@novell.com>
 867
 868         * config/ia64/constraints.md: Add 'j' constraint.
 869         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
 870         (movdi_internal): Likewise.
 871
 872 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
 873
 874         PR c/35748
 875         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
 876
 877 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
 878
 879         PR target/35757
 880         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
 881         proper error message for the third argument on blendpd and
 882         blendps.
 883
 884         * config/i386/sse.md (blendbits): New.
 885         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
 886
 887 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
 888
 889         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
 890
 891 2008-03-30  Richard Guenther  <rguenther@suse.de>
 892
 893         PR middle-end/31023
 894         * fold-const.c (fold_sign_changed_comparison): Do leave
 895         conversions to base-types alone.
 896
 897 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 898
 899         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
 900         the link register if one altivec register is be saved.
 901
 902 2008-03-30  Ben Elliston  <bje@au.ibm.com>
 903
 904         * final.c (final_scan_insn): Remove if (0) code.
 905
 906 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
 907
 908         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
 909
 910 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
 911
 912         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
 913         of V4SFmode to ix86_binary_operator_ok.
 914
 915 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
 916
 917         * config/i386/i386.c (override_options): Initialize
 918         ix86_veclib_handler to ix86_veclibabi_svml when
 919         -mveclibabi=svml is used.
 920         (ix86_veclibabi_svml): New function for SVML ABI style
 921         vectorization support.
 922         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
 923
 924 2008-03-28  Rafael Espindola  <espindola@google.com>
 925
 926         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
 927         (tree_binary_nonnegative_warnv_p): Make it public.
 928         (tree_single_nonnegative_warnv_p): Make it public.
 929         (tree_invalid_nonnegative_warnv_p): Make it public.
 930         (tree_unary_nonzero_warnv_p): Make it public.
 931         (tree_binary_nonzero_warnv_p): Make it public
 932         (tree_single_nonzero_warnv_p): Make it public.
 933         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
 934         (extract_range_from_binary_expr): Split the expr argument.
 935         (extract_range_from_unary_expr): Split the expr argument.
 936         (extract_range_from_comparison): Split the expr argument.
 937         (extract_range_from_expr): Use the new aux functions.
 938         (vrp_evaluate_conditional_warnv): Use
 939         vrp_evaluate_conditional_warnv_with_ops.
 940         * tree.h (tree_unary_nonzero_warnv_p): Declare.
 941         (tree_binary_nonzero_warnv_p): Declare.
 942         (tree_single_nonzero_warnv_p): Declare.
 943         (tree_expr_nonzero_warnv_p): Declare.
 944         (tree_unary_nonnegative_warnv_p): Declare.
 945         (tree_binary_nonnegative_warnv_p): Declare.
 946         (tree_single_nonnegative_warnv_p): Declare.
 947         (tree_invalid_nonnegative_warnv_p): Declare.
 948
 949 2008-03-28  Richard Guenther  <rguenther@suse.de>
 950
 951         PR tree-optimization/30317
 952         PR tree-optimization/30911
 953         PR tree-optimization/34793
 954         * tree-vrp.c (set_and_canonicalize_value_range): New function.
 955         (struct assert_locus_d): New member EXPR.
 956         (register_new_assert_for): Add EXPR parameter to support
 957         ASSERT_EXPR <name, expr OP limit>.
 958         (register_edge_assert_for_1): Adjust callers.
 959         (find_assert_locations): Likewise.
 960         (process_assert_insertions_for): Build condition from expression.
 961         (extract_range_from_assert): Handle ASSERT_EXPRs
 962         of the form ASSERT_EXPR <name, expr OP limit>.
 963         (register_edge_assert_for_2): New helper registering
 964         asserts for comparisons.  Recognize range tests of the form
 965         (unsigned)i - CST1 OP CST2.
 966         (register_edge_assert_for_1): Use it.
 967         (register_edge_assert_for): Likewise.
 968         (needs_overflow_infinity): Integer sub-types
 969         do not need overflow infinities.
 970         (vrp_val_is_max): The extreme values of integer sub-types
 971         are those of the base type.
 972         (vrp_val_is_min): Likewise.
 973         * tree.def (ASSERT_EXPR): Document extra allowed conditional
 974         expressions.
 975
 976 2008-03-28  Nick Clifton  <nickc@redhat.com>
 977
 978         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
 979         Return GENERAL_REGS for stack adjustment reloads.
 980
 981 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 982
 983         PR target/31334
 984         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
 985         const_vector when all the vectors are constant.
 986
 987 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
 988
 989         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
 990         comparisons.
 991         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
 992         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
 993         (scc_sf): New.
 994         (s<code>_sf): Use new scc_sf attribute for opcode names.
 995
 996 2008-03-27  Tom Tromey  <tromey@redhat.com>
 997
 998         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
 999         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
1000         config/spu/t-spu-elf, config/i386/t-interix,
1001         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
1002         config/i386/x-darwin, config/i386/x-mingw32,
1003         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
1004         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
1005         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
1006         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
1007         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
1008         config/rs6000/x-darwin, config/rs6000/t-rs6000,
1009         config/score/t-score-elf, config/arm/t-strongarm-pe,
1010         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
1011         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
1012         Revert automatic dependency patch.
1013
1014 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
1015
1016         PR target/35657
1017         * config/i386/i386.c (ix86_function_arg_boundary): Align
1018         decimal floating point to its natural boundary.
1019
1020 2008-03-27  Richard Guenther  <rguenther@suse.de>
1021
1022         PR middle-end/35716
1023         * fold-const.c (fold_comparison): Restrict distinct decl
1024         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
1025         solely rely on operand_equal_p.
1026
1027 2008-03-27  Richard Guenther  <rguenther@suse.de>
1028
1029         PR c/32511
1030         * c-common.c (handle_weak_attribute): Reject combination of
1031         weak and inline.
1032
1033 2008-03-27  Richard Guenther  <rguenther@suse.de>
1034
1035         PR tree-optimization/32810
1036         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
1037         conversions from DECL_INITIAL.
1038         (fold_const_aggregate_ref): Likewise from constructor elements.
1039
1040 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
1041
1042         * tree-affine.h (aff_combination_expand): Declare.
1043         (get_inner_reference_aff): Likewise.
1044         * tree-affine.c (aff_combination_expand): Split out from
1045         tree_to_aff_combination_expand.
1046         (get_inner_reference_aff): New function.
1047         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
1048         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
1049         (struct lim_aux_data): sm_done field removed.
1050         (mem_ref_loc_p, mem_ref_locs_p): New types.
1051         (struct mem_ref): Added id, stored, accesses_in_loop,
1052         indep_loop, dep_loop, indep_ref, dep_ref fields.
1053         Removed is_stored, locs and next fields.
1054         (memory_accesses): New variable.
1055         (movement_possibility): Do not allow moving statements
1056         that store to memory.
1057         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
1058         New functions.
1059         (determine_max_movement): For statements with memory references,
1060         find the outermost loop in that the reference is independent.
1061         (move_computations_stmt): Mark the virtual operands for renaming.
1062         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
1063         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
1064         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
1065         add_vop_ref_mapping, create_vop_ref_mapping_loop,
1066         create_vop_ref_mapping, analyze_memory_references,
1067         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
1068         get_all_locs_in_loop, ref_always_accessed_p,
1069         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
1070         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
1071         store_motion_loop, store_motion): New functions.
1072         (struct vop_to_refs_elt): New type.
1073         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
1074         memref_hash, memref_eq, hoist_memory_references): Rewritten.
1075         (schedule_sm): Replaced by...
1076         (execute_sm): ... this.
1077         (determine_lsm_ref, hoist_memory_references,
1078         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
1079         find_more_ref_vops, free_mem_ref, free_mem_refs,
1080         determine_lsm_loop, determine_lsm): Removed.
1081         (tree_ssa_lim_finalize): Free data structures used by store motion.
1082         (tree_ssa_lim): Call analyze_memory_references.  Use
1083         store_motion instead of determine_lsm.
1084
1085 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1086
1087         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
1088         rename tmake_file to m68hc11/t-m68hc11.
1089         (mcore): Set inhibit_libc to true.
1090         * config.host (alpha*-dec-*vms*): Set extra_programs.
1091         (interix3*): Don't use host_xmake_file.
1092         * configure.ac: Let config.gcc override inhibit_libc.
1093         * configure: Regenerate.
1094
1095         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
1096         * config/t-openbsd-thread: Remove commented out lines.
1097
1098         * config/x-interix: Remove.
1099
1100         * config/m68hc11/t-m68hc11-gas: Rename to...
1101         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
1102
1103         * config/mcore/t-mcore: Remove T_CFLAGS.
1104         * config/mcore/t-mcore-pe: Likewise.
1105
1106 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
1107
1108         * configure.ac: Replace custom __GNU_SOURCE test with
1109         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
1110         * aclocal.m4: Regenerate.
1111         * configure: Regenerate.
1112         * config.in: Regenerate.
1113
1114 2008-03-27  Richard Guenther  <rguenther@suse.de>
1115
1116         * fold-const.c (target.h): Include.
1117         (fold_comparison): Fold comparison of addresses of decls
1118         that bind locally or of constants.  Consolidate address folding code.
1119         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
1120         results from fold_binary_to_constant.
1121         (compare_values_warnv): Likewise.
1122
1123 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
1124
1125         PR middle-end/35429
1126         * fold-const.c (fold_truthop): Check for integeral types when folding
1127         a == 0 && b == 0 and a != 0 || b != 0 .
1128
1129 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
1130
1131         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
1132
1133 2008-03-26  Andreas Schwab  <schwab@suse.de>
1134
1135         * doc/invoke.texi: Fix use of @item vs. @itemx.
1136
1137 2008-03-26  Tom Tromey  <tromey@redhat.com>
1138
1139         * Makefile.in (build/gensupport.o, build/print-rtl.o,
1140         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
1141         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
1142         build/gencodes.o, build/genconditions.o, build/genconfig.o,
1143         build/genconstants.o, build/genemit.o, build/genextract.o,
1144         build/genflags.o, build/genmddeps.o, build/genopinit.o,
1145         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
1146         options.h.
1147
1148 2008-03-26  Richard Guenther  <rguenther@suse.de>
1149
1150         Revert
1151         2008-03-26  Richard Guenther  <rguenther@suse.de>
1152
1153         * fold-const.c (target.h): Include.
1154         (fold_comparison): Fold comparison of addresses of two decls
1155         that bind locally.  Consolidate address folding code.
1156
1157 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1158
1159         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
1160         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
1161         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
1162         dconstsqrt2, dconstthird, dconste and/or dconst10.
1163         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
1164         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
1165         dconstsqrt2, dconste): Delete.
1166         (init_emit_once): Likewise.  Simplify initializing dconstm1.
1167         Constify variable.
1168         * real.c (get_real_const): New.
1169         * real.h (dconst3, dconst10, dconstm2, dconstthird,
1170         dconstsqrt2, dconste): Delete.
1171         (real_value_const, get_real_const): New.
1172
1173 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
1174
1175         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
1176
1177         * config/i386/i386.c (ix86_function_arg_boundary): Check
1178         BIGGEST_ALIGNMENT instead of 128.
1179         (setup_incoming_varargs_64): Likewise.
1180
1181 2008-03-26  Tom Tromey  <tromey@redhat.com>
1182
1183         * Makefile.in (DEPFILES): Add missing '/'.
1184
1185 2008-03-26  Richard Guenther  <rguenther@suse.de>
1186
1187         * fold-const.c (target.h): Include.
1188         (fold_comparison): Fold comparison of addresses of two decls
1189         that bind locally.  Consolidate address folding code.
1190
1191 2008-03-26  Nick Clifton  <nickc@redhat.com>
1192
1193         PR target/31232
1194         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1195         not allow INT+INT as a legitimate addressing mode.
1196
1197 2008-03-26  Richard Guenther  <rguenther@suse.de>
1198
1199         * tree-flow.h (widen_bitfield): Remove declaration.
1200         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1201         (widen_bitfield): Remove function.
1202         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1203         code.
1204
1205 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1206
1207         PR target/31558
1208         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1209         error_mark_node's.
1210
1211 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1212
1213         PR rtl-optimization/35232
1214         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1215         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1216         reg_reloaded_call_part_clobbered here.
1217         (reload_regs_reach_end_p): New function.
1218         (reload_reg_rtx_for_input): New variable.
1219         (reload_reg_rtx_for_output): Likewise.
1220         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1221         when reassigning a pseudo register.  Load reloadreg from
1222         reload_reg_rtx_for_input, moving the mode and register
1223         calculation to...
1224         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1225         instead of the original when deciding whether an input reload
1226         would be a no-op or whether an output reload can be deleted.
1227         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1228         when setting up new_spill_reg_store.  Load it from
1229         reload_reg_rtx_for_output, moving the mode and register
1230         calculation to...
1231         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1232         instead of the original when deciding whether an output reload
1233         would be a no-op.  Do the same when modifying insn notes.
1234         Use rtx_equal_p instead of == to compare the registers.
1235         (inherit_piecemeal_p): Take a mode and two register numbers
1236         as argument.
1237         (emit_reload_insns): Clear new_spill_reg_store for every hard
1238         register in the reload register.  Remove spill registers
1239         from reg_reloaded_valid before considering whether to record
1240         inheritance information for them.  Use reload_reg_rtx_for_output
1241         instead of reg_rtx when recording output reloads.  Use
1242         reload_reg_rtx_for_input instead of reg_rtx when recording
1243         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1244         at the same time as setting reg_reloaded_valid.
1245         (delete_output_reload): Add a new_reload_reg parameter and use it
1246         instead of rld[j].reg_rtx.
1247         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1248         calls accordingly.
1249
1250 2008-03-25  Tom Tromey  <tromey@redhat.com>
1251
1252         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1253         (build/genattr.o): Likewise.
1254         (build/genattrtab.o): Likewise.
1255         (build/gencodes.o): Likewise.
1256         (build/genconfig.o): Likewise.
1257         (build/genconstants.o): Likewise.
1258         (build/genemit.o): Likewise.
1259         (build/genextract.o): Likewise.
1260         (build/genflags.o): Likewise.
1261
1262 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1263
1264         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1265         instead of size_int for integer types.
1266         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1267         to match type of MINUS_EXPR.
1268
1269 2008-03-25  Tom Tromey  <tromey@redhat.com>
1270
1271         * configure: Rebuilt.
1272         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1273         Makefile.
1274
1275 2008-03-25  Tom Tromey  <tromey@redhat.com>
1276
1277         * config/x-solaris (host-solaris.o): Update.
1278         * config/x-linux (host-linux.o): Update.
1279         * config/x-hpux (host-hpux.o): Update.
1280         * config/x-darwin (host-darwin.o): Update.
1281         * config/v850/t-v850e (v850-c.o): Update.
1282         * config/v850/t-v850 (v850-c.o): Update.
1283         * config/t-vxworks (vxworks.o): Update.
1284         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1285         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1286         * config/spu/t-spu-elf (spu-c.o): Update.
1287         (spu.o): Remove.
1288         * config/sh/t-symbian (sh-c.o): Update.
1289         (symbian.o): Update.
1290         * config/sh/t-sh (sh-c.o): Update.
1291         * config/score/t-score-elf (score7.o, score3.o): Update.
1292         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1293         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1294         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1295         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1296         (rs6000.o): Remove.
1297         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1298         * config/m32c/t-m32c (m32c-pragma.o): Update.
1299         * config/ia64/t-ia64 (ia64-c.o): Update.
1300         * config/i386/x-mingw32 (host-mingw32.o): Update.
1301         * config/i386/x-i386 (driver-i386.o): Update.
1302         * config/i386/x-darwin (host-i386-darwin.o): Update.
1303         * config/i386/x-cygwin (host-cygwin.o): Update.
1304         * config/i386/t-nwld (nwld.o): Update.
1305         * config/i386/t-netware (netware.o): Update.
1306         * config/i386/t-interix (winnt.o): Update.
1307         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1308         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1309         msformat-c.o): Update.
1310         * config/bfin/t-bfin-linux (generated_files): Add
1311         linux-sysroot-suffix.h.
1312         * config/arm/t-wince-pe (pe.o): Update.
1313         * config/arm/t-strongarm-pe (pe.o): Update.
1314         * config/arm/t-pe (pe.o): Update.
1315         * config/arm/t-arm (arm-c.o): Update.
1316         * doc/install.texi (Prerequisites): Require make 3.80.
1317         * Makefile.in: Remove .o targets.
1318         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1319         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1320         (simple_generated_h, simple_generated_c): Move earlier.
1321         (generated_files): New variable.
1322         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1323         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1324         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1325         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1326         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1327         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1328         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1329         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1330         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1331         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1332         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1333         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1334         (.c.o): Remove.
1335         (COMPILE.base, COMPILE): New variables.
1336         (%.o): New pattern rule.
1337         (ALL_HOST_OBJS): New variable.
1338         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1339         (dummy-checksum.o, cc1-checksum.o): Remove.
1340         (DRIVER_SHLIB): New variable.
1341         (DRIVER_DEFINES): Use it.
1342         (gencondmd.c): Move out of build/.
1343         (s-conditions): Update.
1344         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1345         (ALL_BUILD_OBJS): Likewise.
1346         (build/%.o): Use BUILDCOMPILE.
1347         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1348         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1349         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1350         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1351         build/genconfig.o, build/genconstants.o, build/genemit.o,
1352         build/genextract.o, build/genflags.o, build/genmddeps.o,
1353         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1354         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1355         build/gen-protos.o, build/scan.o, build/fix-header.o,
1356         build/scan-decls.o): Simplify.
1357         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1358         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1359         prefix.o, toplev.o): Reduce to variable setting.
1360         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1361         ($(out_object_file), gcc-options.o): New targets.
1362         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1363         * configure: Rebuilt.
1364         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1365         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1366
1367 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1368
1369         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1370         complain when we hit an error, return ERROR_MARK_NODE.
1371
1372 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1373
1374         * config/sh/constraints.md (Pso, Psz): New constraints.
1375         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1376         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1377
1378 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1379
1380         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1381         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1382
1383 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1384
1385         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1386         (prefetch_sh2a): New.
1387
1388 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1389             Naveen.H.S  <naveen.hs@kpitcummins.com>
1390
1391         * config/sh/constraints.md (I28): New constraint.
1392         * config/sh/sh.c (broken_move): Add support for movi20s.
1393         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1394
1395 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1396             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1397             Naveen.H.S  <naveen.hs@kpitcummins.com>
1398
1399         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1400         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1401         (print_operand): Handle resbank in %@ operand code.
1402         (sh_encode_section_info): New.
1403         (push_regs): Add conditions for resbank.
1404         (sh_expand_epilogue): Likewise.
1405         (sh_insert_attributes): Likewise.
1406         (sh_attribute_table): Likewise.
1407         (sh_handle_resbank_handler_attribute): New.
1408         (sh2a_handle_function_vector_handler_attribute): New.
1409         (sh2a_is_function_vector_call): New.
1410         (sh2a_get_function_vector_number): New.
1411         (sh2a_function_vector_p): New.
1412         (sh_cfun_resbank_handler_p): New.
1413         * config/sh/sh.md (calli): Emit jsr/n if possible.
1414         (calli_tbr_rel): New.
1415         (calli_pcrel): Emit jsr/n if possible.
1416         (return_i): Emit rts/n if possible.
1417         (call_valuei_tbr_rel): New.
1418         (call_valuei_pcrel): Add condition for SH2A target.
1419         (call_value): Likewise.
1420         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1421         (sh2a_get_function_vector_number): Likewise.
1422         (sh2a_is_function_vector_call): Likewise.
1423         * doc/extend.texi: Document TBR relative addressing of SH2A.
1424         (resbank): Add description for SH2A.
1425
1426 2008-03-24  Richard Guenther  <rguenther@suse.de>
1427
1428         PR c/22371
1429         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1430         pointer assignments change conversions according to middle-end rules.
1431         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1432         * configure.ac: Include type checking in yes.
1433         * configure: Regenerate.
1434
1435 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1436
1437         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1438         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1439
1440 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1441
1442         * gthr-vxworks.h (UNUSED): Define.
1443
1444 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1445
1446         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1447
1448 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1449
1450         * doc/extend.texi (Function Attributes): Add missing comma in the
1451         example of the "alloc_size" attribute.
1452
1453 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1454
1455         Revert:
1456         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1457
1458         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1459         32bit host.
1460
1461         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1462
1463         PR target/35496
1464         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1465         of the underlying type of a MS bitfield layout to the natural
1466         alignment of the type.
1467
1468         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1469
1470         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1471         to their natural alignment to avoid store forwarding stalls.
1472
1473 2008-03-22  Richard Guenther  <rguenther@suse.de>
1474
1475         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1476         For PHI nodes verify the address is invariant.
1477         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1478         (get_symbol_constant_value): Use is_gimple_min_invariant.
1479         (maybe_fold_stmt_indirect): Likewise.
1480
1481 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1482
1483         PR rtl-optimization/33927
1484         * Makefile.in (dse.o): Depend on $(TM_P_H).
1485         * expr.h (extract_low_bits): Declare.
1486         * expmed.c (extract_low_bits): New function.
1487         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1488         * dse.c: Include tm_p.h.
1489         (find_shift_sequence): Remove the read_reg argument and return the
1490         read value.  Emit the instructions instead of returning them.
1491         Iterate on new_mode rather than calculating it each time.
1492         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1493         source to NEW_MODE and extract_low_bits to convert the shifted
1494         value to READ_MODE.
1495         (replace_read): Allow the load and store to have different mode
1496         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1497         or extraction instructions before trying the replacement.  Update
1498         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1499
1500 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1501
1502         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1503         to their natural alignment to avoid store forwarding stalls.
1504
1505 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1506
1507         PR target/27946
1508         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1509         encouraging but not allowing gprs for input;
1510         change the input constraint to !f#r.
1511         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1512         gprs for output;
1513         change the output constraint to !f#r.
1514
1515 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1516
1517         PR target/13958
1518         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1519         corresponding post-reload splitters.
1520         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1521         when x87 FP math is selected.
1522         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1523         New function prototype.
1524         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1525         unreachable function to ease macroization of insn patterns.
1526
1527 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1528
1529         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1530         reference dumps if ddr is NULL or dependence is unknown.
1531
1532 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1533
1534         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1535         unsigned extension into account.
1536         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1537         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1538         Do computations on a scratch register.
1539
1540 2008-03-21  Richard Guenther  <rguenther@suse.de>
1541
1542         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1543         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1544         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1545         * tree-ssa-dom.c (record_equality): Likewise.
1546         * tree-inline.c (copy_body_r): Likewise.
1547         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1548         TREE_INVARIANT.
1549
1550 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1551
1552         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1553         as 'delete_unused' argument.
1554
1555 2008-03-20  Richard Guenther  <rguenther@suse.de>
1556
1557         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1558         special casing of constant qualifiers.
1559         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1560         care about them in general.
1561         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1562         regardless of their type.
1563         (fold_stmt_r): Forcefully fold *& if we end up with that.
1564
1565 2008-03-20  Paul Brook  <paul@codesourcery.com>
1566
1567         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1568         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1569         linker flags.
1570         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1571         definition.
1572         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1573         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1574
1575 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1576
1577         * common.opt (Wmudflap): New option.
1578         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1579         (mx_register_decls): Likewise.
1580         (mudflap_finish_file): Likewise.
1581         * doc/invoke.texi: Document -Wno-mudflap.
1582
1583 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1584
1585         * c-format.c (replace_format_name_to_system_name): New.
1586         (cmp_attribs): New.
1587         (convert_format_name_to_system_name): New.
1588         (decode_format_attr): Add use of convert_format_name_to_system_name.
1589         (format_types_orig): Add gnu_ prefix to names.
1590         (check_format_info_main): Special treating of \0 escaped names for
1591         supporting multi-character format specifiers as I32, I64.
1592         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1593         (gnu_target_overrides_format_attributes): New.
1594         * c-format.h: Add structure target_ovr_attr to hold
1595         system specific formatter names.
1596         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1597         msformat-c.o file to c_target_objs and cxx_target_objs.
1598         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1599         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1600         (TARGET_N_FORMAT_TYPES): New.
1601         * config/i386/msformat-c.c: New.
1602         * config/i386/t-cygming: Add build rule for msformat-c.o.
1603         * doc/extend.texi: Add new format names gnu_* and ms_* and
1604         further details.
1605         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1606
1607 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1608
1609         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1610         optimizations turned on under -O3.
1611         (ftree-vectorize): Add that the flag is turned on with -O3.
1612
1613 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1614
1615         * regmove.c (try_auto_increment): Fix spelling error in comment.
1616         * final.c (final_scan_insn): Likewise.
1617
1618 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1619
1620         PR target/14552
1621         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1622         allocator preferences for "y" and "r" class registers.
1623         ("*mov<mode>_internal"): Ditto.
1624         ("*movv2sf_internal_rex64"): Ditto.
1625         ("*movv2sf_internal"): Ditto.
1626
1627 2008-03-19  Michael Matz  <matz@suse.de>
1628
1629         PR middle-end/35616
1630         * calls.c (expand_call): Check overlap of arguments with call
1631         address for sibcalls.
1632
1633 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1634
1635         PR target/35496
1636         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1637         of the underlying type of a MS bitfield layout to the natural
1638         alignment of the type.
1639
1640 2008-03-19  Jan Hubicka  <jh@suse.cz>
1641
1642         PR other/35094
1643         * toplev.c (decode_d_option): Handle all CPP flags.
1644         * tree-vrp.c: Update tree_pass descriptors.
1645         * regrename.c: Update tree_pass descriptors.
1646         * fwprop.c: Update tree_pass descriptors.
1647         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1648         * tree-into-ssa.c: Update tree_pass descriptors.
1649         * tree-dump.c: Update tree_pass descriptors.
1650         * tree-complex.c: Update tree_pass descriptors.
1651         * tree-dump.h: Update tree_pass descriptors.
1652         * see.c: Update tree_pass descriptors.
1653         * cgraphbuild.c: Update tree_pass descriptors.
1654         * tracer.c: Update tree_pass descriptors.
1655         * tree-loop-distribution.c: Update tree_pass descriptors.
1656         * cgraph.c: Update tree_pass descriptors.
1657         * postreload-gcse.c: Update tree_pass descriptors.
1658         * postreload.c: Update tree_pass descriptors.
1659         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1660         * tree-tailcall.c: Update tree_pass descriptors.
1661         * tree-pass.h (tree_opt_pass): Rename to ...
1662         (opt_pass) ... this one; add "type" field and remove letter field.
1663         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1664         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1665         all_lowering_passes): Update declaration.
1666         * ipa-cp.c: Update tree_pass descriptors.
1667         * final.c: Update tree_pass descriptors.
1668         * omp-low.c: Update tree_pass descriptors.
1669         * tree-ssa-dse.c: Update tree_pass descriptors.
1670         * ipa-reference.c: Update tree_pass descriptors.
1671         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1672         * auto-inc-dec.c: Update tree_pass descriptors.
1673         * reorg.c: Update tree_pass descriptors.
1674         * cgraphunit.c: Update tree_pass descriptors.
1675         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1676         * tree-ssa-ccp.c: Update tree_pass descriptors.
1677         * df-core.c: Update tree_pass descriptors.
1678         * mode-switching.c: Update tree_pass descriptors.
1679         * tree-nomudflap.c: Update tree_pass descriptors.
1680         * modulo-sched.c: Update tree_pass descriptors.
1681         * ipa-pure-const.c: Update tree_pass descriptors.
1682         * cse.c: Update tree_pass descriptors.
1683         * web.c: Update tree_pass descriptors.
1684         * tree-stdarg.c: Update tree_pass descriptors.
1685         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1686         * tree-ssa-dom.c: Update tree_pass descriptors.
1687         * tree-nrv.c: Update tree_pass descriptors.
1688         * tree-ssa-alias.c: Update tree_pass descriptors.
1689         * loop-init.c: Update tree_pass descriptors.
1690         * gimple-low.c: Update tree_pass descriptors.
1691         * ipa-inline.c: Update tree_pass descriptors.
1692         * tree-ssa-sink.c: Update tree_pass descriptors.
1693         * global.c: Update tree_pass descriptors.
1694         * ifcvt.c: Update tree_pass descriptors.
1695         * jump.c: Update tree_pass descriptors.
1696         * predict.c: Update tree_pass descriptors.
1697         * tree-ssa-loop.c: Update tree_pass descriptors.
1698         * recog.c: Update tree_pass descriptors.
1699         * dse.c: Update tree_pass descriptors.
1700         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1701         * tree-eh.c: Update tree_pass descriptors.
1702         * regmove.c: Update tree_pass descriptors.
1703         * local-alloc.c
1704         * function.c: Update tree_pass descriptors.
1705         * tree-vectorizer.c: Update tree_pass descriptors.
1706         * gcse.c: Update tree_pass descriptors.
1707         * ipa-type-escape.c: Update tree_pass descriptors.
1708         * tree-if-conv.c: Update tree_pass descriptors.
1709         * init-regs.c: Update tree_pass descriptors.
1710         * ipa.c: Update tree_pass descriptors.
1711         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1712         * rtl-factoring.c: Update tree_pass descriptors.
1713         * lower-subreg.c: Update tree_pass descriptors.
1714         * bt-load.c: Update tree_pass descriptors.
1715         * tree-dfa.c: Update tree_pass descriptors.
1716         * except.c: Update tree_pass descriptors.
1717         * emit-rtl.c: Update tree_pass descriptors.
1718         * cfgexpand.c: Update tree_pass descriptors.
1719         * tree-cfgcleanup.c: Update tree_pass descriptors.
1720         * cfgcleanup.c: Update tree_pass descriptors.
1721         * tree-ssa-pre.c: Update tree_pass descriptors.
1722         * tree-sra.c: Update tree_pass descriptors.
1723         * tree-mudflap.c: Update tree_pass descriptors.
1724         * tree-ssa-copy.c: Update tree_pass descriptors.
1725         * cfglayout.c: Update tree_pass descriptors.
1726         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1727         * tree-ssa-dce.c: Update tree_pass descriptors.
1728         * tree-ssa.c: Update tree_pass descriptors.
1729         * regclass.c: Update tree_pass descriptors.
1730         * integrate.c: Update tree_pass descriptors.
1731         * tree-optimize.c: Update tree_pass descriptors.
1732         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1733         * tree-object-size.c: Update tree_pass descriptors.
1734         * combine.c: Update tree_pass descriptors.
1735         * tree-outof-ssa.c: Update tree_pass descriptors.
1736         * bb-reorder.c: Update tree_pass descriptors.
1737         * stack-ptr-mod.c: Update tree_pass descriptors.
1738         * var-tracking.c: Update tree_pass descriptors.
1739         * tree-profile.c: Update tree_pass descriptors.
1740         * tree-vect-generic.c: Update tree_pass descriptors.
1741         * reg-stack.c: Update tree_pass descriptors.
1742         * sched-rgn.c: Update tree_pass descriptors.
1743         * tree-ssa-structalias.c: Update tree_pass descriptors.
1744         * tree-cfg.c: Update tree_pass descriptors.
1745         * passes.c (current_pass): Update declaration.
1746         (finish_optimization_passes): Update.
1747         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1748         (register_one_dump_file, register_dump_files_1, next_pass_1):
1749         Update arguments.
1750         (init_optimization_passes): Update handling of new types.
1751         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1752         * ipa-struct-reorg.c: Update tree_pass descriptors.
1753         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1754         * combine-stack-adj.c: Update tree_pass descriptors.
1755         * cfgrtl.c: Update tree_pass descriptors.
1756         * dce.c: Update tree_pass descriptors.
1757         * tree-ssanames.c: Update tree_pass descriptors.
1758
1759 2008-03-19  Richard Guenther  <rguenther@suse.de>
1760
1761         PR middle-end/35609
1762         * tree-ssa.c (walk_data): New structure.
1763         (warn_uninitialized_var): If not always_executed warn with "maybe"
1764         instead of "is".
1765         (execute_early_warn_uninitialized): Compute post-dominators.
1766         Initialize always_executed before processing each basic block.
1767
1768 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1769
1770         PR target/35504
1771         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1772         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1773
1774 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1775
1776         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1777
1778 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1779
1780         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1781         is true.
1782         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1783         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1784         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1785         target after ignore has been set, and move there also the commputation
1786         of subtarget and original_target.
1787         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1788         (LANG_HOOKS_INITIALIZER): Remove it.
1789         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1790
1791 2008-03-18  Richard Guenther  <rguenther@suse.de>
1792
1793         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1794         found an expression with constants, note that in the VN for the lhs.
1795         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1796         fold them to constants if possible.  Run cleanup_cfg if done so.
1797         (execute_pre): Return todo.
1798         (do_pre): Likewise.
1799         (execute_fre): Likewise.
1800         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1801         of constants.
1802         (get_prop_source_stmt): Look through pointer conversions.
1803
1804 2008-03-18  Jan Hubicka  <jh@suse.cz>
1805
1806         * tree-pretty-print.c: Include predict.h.
1807         (dump_generic_node): Dump predictor.
1808         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1809         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1810         * gimple-low.c (lower_stmt): Likewise.
1811         * expr.c (expand_expr_real): Likewise.
1812         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1813         them.
1814         (build_predict_expr, build_predict_expr): New.
1815         * predict.h (predictor_name, build_predict_expr): Update.
1816         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1817         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1818         * predict.def (PRED_CONTINUE): Update hitrate.
1819         * tree.def (PREDICT_EXPR): Define.
1820         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1821         do not handle BIND_EXPR.
1822         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1823         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1824         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1825         operands.
1826
1827 2008-03-18  Michael Matz  <matz@suse.de>
1828
1829         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1830
1831 2008-03-18  Richard Guenther  <rguenther@suse.de>
1832
1833         * tree-gimple.h (is_gimple_invariant_address): Declare.
1834         (is_gimple_constant): Likewise.
1835         * tree-gimple.c (is_gimple_constant): New function.
1836         (is_gimple_invariant_address): Likewise.
1837         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1838         and is_gimple_invariant_address.
1839         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1840         previous change.
1841         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1842         an addressable base.
1843
1844 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1845
1846         PR middle-end/35611
1847         * gimplify.c (gimplify_expr): Gimplify second operand of
1848         OMP_ATOMIC_LOAD.
1849
1850 2008-03-17  Richard Guenther  <rguenther@suse.de>
1851
1852         PR tree-optimization/19637
1853         * fold-const.c (fold_unary): Remove restrictions of removing
1854         intermediate pointer-conversions (P2)(P1)P0.
1855         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1856         conversion to void pointer.
1857         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1858
1859 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1860
1861         PR debug/31510
1862         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1863         emulated thread local variables.
1864
1865 2008-03-16  Richard Guenther  <rguenther@suse.de>
1866
1867         PR middle-end/35607
1868         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1869         expand TREE_INVARIANT operations that are not gimple invariant.
1870
1871 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1872
1873         * doc/extend.texi (Alignment): Say that the ABI controls
1874         the __alignof__ for non-strict-alignment targets rather
1875         than being a recommendation.
1876
1877 2008-03-15  Paul Brook  <paul@codesourcery.com>
1878
1879         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1880         annotations.
1881         (arm_output_fn_unwind): Mark functions that can not be unwound.
1882
1883 2008-03-15  Paul Brook  <paul@codesourcery.com>
1884
1885         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1886         extension instructions.
1887
1888 2008-03-15  Richard Guenther  <rguenther@suse.de>
1889
1890         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1891         and fold constant aggregate refs.
1892         (fold_const_aggregate_ref): Handle string constants
1893         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1894         (evaluate_stmt): Simplify now that ccp_fold folds constant
1895         aggregate refs.
1896
1897 2008-03-15  Paul Brook  <paul@codesourcery.com>
1898
1899         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1900         (extzv): Use gen_extzv_t2.
1901         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1902
1903 2008-03-15  Richard Guenther  <rguenther@suse.de>
1904
1905         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1906         (fold_const_aggregate_ref): Likewise.
1907         (get_value): Return NULL if we don't have any values.
1908         (ccp_finalize): Set const_val to NULL after freeing it.
1909         * tree-flow.h (get_symbol_constant_value): Declare.
1910         (fold_const_aggregate_ref): Likewise.
1911         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1912
1913 2008-03-15  Richard Guenther  <rguenther@suse.de>
1914
1915         PR middle-end/35593
1916         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1917         to not produce negative array indices if not allowed.  Add
1918         parameter to indicate that.
1919         (maybe_fold_offset_to_component_ref): Allow negative array
1920         indices only for the first member of a structure.
1921         (maybe_fold_offset_to_reference): Allow negative array indices.
1922         (maybe_fold_stmt_addition): Likewise.
1923
1924 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1925             Anatoly Sokolov <aesok@post.ru>
1926
1927         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1928         (avr_arch): Add ARCH_AVR6.
1929         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1930         (initial_elimination_offset): Initialize and use 'avr_pc_size'
1931         instead of fixed value 2.
1932         (print_operand_address): Use gs() asm specifier instead of pm().
1933         (avr_assemble_integer): (Ditto.).
1934         (avr_output_addr_vec_elt): (Ditto.).
1935         (print_operand): Handle "!" code.
1936         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1937         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1938         (AVR_HAVE_EIJMP_EICALL): Define.
1939         (AVR_3_BYTE_PC): Redefine.
1940         (AVR_2_BYTE_PC): (Ditto.).
1941         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1942         (LINK_SPEC): Add atmega2560 and atmega2561.
1943         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1944         (crtm2561.o).
1945         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1946         for 3 byte PC devices.
1947         (call_value_insn): (Ditto.).
1948         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1949         (indirect_jump): Use only for for 2 byte PC devices.
1950         (*tablejump): (Ditto.).
1951         (*indirect_jump_avr6): Add insn.
1952         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1953         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1954         instead of ijmp for 3 byte PC devices.
1955         (__tablejump2__): (Ditto.).
1956         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1957         (MULITLIB_DIRNAMES): (Ditto.).
1958         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1959
1960 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1963         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1964         ("mmx_psadbw"): Use V1DI mode for operand 0.
1965         * config/i386/i386-modes.def (V1SI): New vector mode.
1966         * config/i386/i386.c (struct builtin_description)
1967         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1968         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1969         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1970         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1971         v1di_ftype_v8qi_v8qi type.
1972         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1973
1974         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1975         __builtin_ia32_pmuludq]: Fix the mode of return value.
1976
1977 2008-03-15  Richard Guenther  <rguenther@suse.de>
1978
1979         PR middle-end/35595
1980         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1981         being a PHI_NODE.
1982
1983 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1984
1985         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1986         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1987         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1988         unless TARGET_SERIALIZE_VOLATILE is enabled.
1989         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1990         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1991         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1992
1993 2008-03-14  Richard Guenther  <rguenther@suse.de>
1994
1995         PR tree-optimization/34172
1996         * tree-flow.h (refs_may_alias_p): Declare.
1997         (get_single_def_stmt): Likewise.
1998         (get_single_def_stmt_from_phi): Likewise.
1999         (get_single_def_stmt_with_phi): Likewise.
2000         * tree-dfa.c (refs_may_alias_p): New function.
2001         (get_single_def_stmt): Likewise.
2002         (get_single_def_stmt_from_phi): Likewise.
2003         (get_single_def_stmt_with_phi): Likewise.
2004         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
2005         (vn_reference_lookup_1): New helper function.
2006         (vn_reference_lookup): Walk the virtual use-def chain to
2007         continue searching for a match if the def does not alias the
2008         reference we are looking for.
2009
2010 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
2011
2012         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
2013         archive and Perzl.  Update The Written Word listing.
2014
2015 2008-03-14  Richard Guenther  <rguenther@suse.de>
2016
2017         PR tree-optimization/34043
2018         PR tree-optimization/33989
2019         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
2020         when doing FRE.
2021         (bitmap_find_leader): Use extra argument to verify dominance
2022         relationship inside a basic-block.
2023         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
2024         (find_leader_in_sets): Adjust.
2025         (create_component_ref_by_pieces): Take extra argument for
2026         dominance check, handle lookup failures.
2027         (find_or_generate_expression): Likewise.
2028         (create_expression_by_pieces): Likewise.
2029         (insert_into_preds_of_block): Adjust.
2030         (create_value_expr_from): If asked for, verify all operands
2031         are in the blocks AVAIL_OUT set.
2032         (make_values_for_stmt): Check for SSA_NAMEs that are life
2033         over an abnormal edge.
2034         (compute_avail): Remove such check.
2035         (do_SCCVN_insertion): New function.
2036         (eliminate): If we do not find a leader suitable for replacement
2037         insert a replacement expression from SCCVN if available.
2038         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
2039         (struct vn_ssa_aux): Add needs_insertion flag.
2040         * tree-ssa-sccvn.c (may_insert): New global flag.
2041         (copy_reference_ops_from_ref): Value-number union member access
2042         based on its size, not type and member if insertion is allowed.
2043         (visit_reference_op_load): For a weak match from union type
2044         punning lookup a view-converted value and insert a SSA_NAME
2045         for that value if that is not found.
2046         (visit_use): Make dumps shorter.  Do not disallow value numbering
2047         SSA_NAMEs that are life over an abnormal edge to constants.
2048         (free_scc_vn): Release inserted SSA_NAMEs.
2049         (run_scc_vn): New flag to specify whether insertion is allowed.
2050         Process SSA_NAMEs in forward order.
2051         * tree-ssa-loop-im.c (for_each_index): Handle invariant
2052         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
2053         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
2054         pointer type to/from integral types that do not change the
2055         precision to regular conversions.
2056
2057 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2058
2059         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2060         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2061         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
2062         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
2063         input arguments and the mode of return value.  Built-in functions
2064         that operate on whole 64-bit MMX register now use V1DI mode.
2065
2066 2008-03-13  Alon Dayan  <alond@il.ibm.com>
2067             Olga Golovanevsky  <olga@il.ibm.com>
2068
2069         PR tree-optimization/35041
2070         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
2071         to locate the right position in a statement.
2072
2073 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
2074
2075         PR target/34000
2076         PR target/35553
2077         * config/i386/xmmintrin.h:  Change all static inline functions to
2078         extern inline and add __gnu_inline__ attribute.
2079         * config/i386/bmintrin.h: Ditto.
2080         * config/i386/smmintrin.h: Ditto.
2081         * config/i386/tmmintrin.h: Ditto.
2082         * config/i386/mmintrin-common.h: Ditto.
2083         * config/i386/ammintrin.h: Ditto.
2084         * config/i386/emmintrin.h: Ditto.
2085         * config/i386/pmmintrin.h: Ditto.
2086         * config/i386/mmintrin.h: Ditto.
2087         * config/i386/mm3dnow.h: Ditto.
2088
2089 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
2090
2091         PR middle-end/35185
2092         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
2093         (lower_omp_2): New function.
2094         (lower_omp_1, lower_omp): Rewritten.
2095
2096 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
2097
2098         PR 35054
2099         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
2100         with the phrase "Microsoft Windows compilers".
2101         (Push/Pop Macro Pragmas): New subsection. Document
2102         #pragma push_macro and pragma pop_macro.
2103
2104 2008-03-12  Paul Brook  <paul@codesourcery.com>
2105
2106         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
2107
2108 2008-03-12  Paul Brook  <paul@codesourcery.com>
2109
2110         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
2111         (thumb2_alusi3_short): Exclude PLUS and MINUS.
2112         (thumb2_addsi_shortim): Rename ...
2113         (thumb2_addsi_short): ... to this.  Allow register operands.
2114         (thumb2_subsi_short): New pattern.
2115         (thumb2_one_cmplsi2_short,
2116         thumb2_negsi2_short): New patterns and peepholes.
2117
2118 2008-03-12  Paul Brook  <paul@codesourcery.com>
2119
2120         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
2121
2122 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
2123
2124         * config/i386/i386.md (int_cond): New code iterator.
2125         (fp_cond): Ditto.
2126         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
2127         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
2128         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
2129         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
2130         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
2131         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
2132         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
2133         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
2134
2135 2008-03-12  Paul Brook  <paul@codesourcery.com>
2136
2137         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
2138         instead of {arm,thumb}_compute_save_reg_mask.
2139         (output_return_instruction): Ditto.
2140         (thumb_unexpanded_epilogue): Ditto.
2141         (thumb1_expand_prologue): Ditto.
2142         (thumb1_output_function_prologue): Ditto.
2143         (arm_set_return_address): Ditto.
2144         (thumb_set_return_address): Ditto.
2145         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
2146         regs to achieve stack alignment.
2147         (thumb1_compute_save_reg_mask): Fix compiler warning.
2148         (arm_output_epilogue): Use offsets->saved_regs_mask.
2149         Adjust stack pointer by poping call clobered registers.
2150         (arm_expand_prologue): Use offsets->saved_regs_mask.
2151         Adjust stack pointer by pushing extra registers.
2152         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
2153
2154 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
2155
2156         PR tree-opt/35422
2157         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
2158         conversion to the operands of a multiplication.
2159
2160 2008-03-12  Richard Guenther  <rguenther@suse.de>
2161
2162         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
2163         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
2164         * timevar.def (TV_TREE_PHIPROP): Add.
2165         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
2166         pass description.  Use TV_TREE_PHIPROP.
2167         * tree-ssa-forwprop.c: Remove phiprop code.
2168
2169 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
2170
2171         PR middle-end/35549
2172         * omp-low.c (maybe_lookup_decl): Constify first argument.
2173         (use_pointer_for_field): Change last argument from bool to
2174         omp_context *.  Disallow shared copy-in/out in nested
2175         parallel if decl is shared in outer parallel too.
2176         (build_outer_var_ref, scan_sharing_clauses,
2177         lower_rec_input_clauses, lower_copyprivate_clauses,
2178         lower_send_clauses, lower_send_shared_vars): Adjust callers.
2179
2180 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
2181             Ira Rosen  <irar@il.ibm.com>
2182
2183         * tree-vectorizer.c (free_stmt_vec_info): New function.
2184         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2185         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2186         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2187         * tree-vect-transform.c (vectorizable_conversion): Free
2188         vec_oprnds0 if it was allocated.
2189         (vect_permute_store_chain): Remove unused VECs.
2190         (vectorizable_store): Free VECs that are allocated in the..
2191         function.
2192         (vect_transform_strided_load, vectorizable_load): Likewise.
2193         (vect_remove_stores): Simplify the code.
2194         (vect_transform_loop): Move code to vect_remove_stores().
2195         Call vect_remove_stores() and free_stmt_vec_info().
2196
2197 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2198
2199         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2200         TARGET_HPUX.  Revise comment.
2201         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2202         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2203         Use sr4 variant of `be' instruction when not generating PIC code.
2204         (attr_length_call): Adjust for above change.
2205
2206 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2207
2208         * ipa-reference.c (static_execute): Remove module_statics_const and
2209         associated setting code.
2210
2211 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2212
2213         PR target/35540
2214         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2215         predicate for operand 1.
2216         (paritysi2_cmp): Use register_operand predicate for operand 2.
2217         Use earlyclobber modifier for operand 1.  Remove support for
2218         memory operands.
2219         (paritydi2_cmp): Use register_operand predicate for operand 3.
2220         Use earlyclobber modifier for operand 1.  Remove support for
2221         memory operands.
2222
2223 2008-03-11  Paul Brook  <paul@codesourcery.com>
2224             Vladimir Prus  <vladimir@codesourcery.com>
2225
2226         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2227         (arm_compute_save_reg0_reg12_mask): Always
2228         check if register 11 must be saved.  Always safe hard frame pointer
2229         when frame_pointer_needeed.
2230         (arm_compute_save_reg_mask): Save IP and PC
2231         only with apcs frames.
2232         (arm_output_epilogue): Adjust Thumb2 codepath to
2233         be also invoked and work for ARM non-apcs frames.
2234         (arm_expand_prologue): Don't bother saving IP
2235         for non-apcs frame, since it's not clobbered by
2236         prologue code.  Implement non-apcs frame
2237         layout.
2238
2239 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2240
2241         PR rtl-optimization/35281
2242         * expr.c (convert_move): Use a new pseudo for the intermediate
2243         from_mode->word_mode result.
2244
2245 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2246
2247         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2248         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2249         * toplev.c (compile_file): Don't call it.
2250
2251 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2252
2253         PR middle-end/35526
2254         * expr.c (store_expr): Call emit_block_move if the mode
2255         of "temp" RTX is BLKmode.
2256
2257 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2258             Richard Guenther  <rguenther@suse.de>
2259
2260         PR tree-optimization/31358
2261         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2262         the step with a NULL_TREE.
2263         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2264         to sizetype if type is a pointer type.
2265         (add_candidate_1): Don't convert the base and step to
2266         the generic type if the orginal type is a pointer type.
2267         (add_iv_value_candidates): Use sizetype for the step
2268         if type is a pointer type.
2269         (cand_value_at): Likewise.
2270         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2271         for pointer types.
2272         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2273         Don't convert the tem affine to the type.
2274         (add_elt_to_tree): Use sizetype for the step if a pointer.
2275         Use POINTER_PLUS_EXPR for pointers.
2276         (aff_combination_to_tree): Use sizetype for the step if a
2277         pointer.
2278
2279 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2280
2281         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2282         Remove commutativity hint.
2283
2284 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2285
2286         PR c/35438
2287         PR c/35439
2288         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2289         errorneous type.  Check that v is a VAR_DECL.
2290
2291         PR middle-end/35099
2292         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2293
2294 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2295
2296         PR tree-optimization/35494
2297         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2298         may be overriden at link and run time.
2299
2300 2008-03-10  Richard Guenther  <rguenther@suse.de>
2301
2302         PR tree-optimization/34677
2303         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2304         (poolify_tree): Likewise.
2305         (modify_expr_template): Likewise.
2306         (poolify_modify_stmt): Likewise.
2307         (insert_fake_stores): Handle all component-ref style stores
2308         in addition to INDIRECT_REF.  Also handle complex types.
2309         Do not poolify the inserted load.
2310         (realify_fake_stores): Do not rebuild the tree but only
2311         make it a SSA_NAME copy.
2312         (init_pre): Remove initialzation of modify_expr_template.
2313         Do not allocate modify_expr_node_pool.
2314         (fini_pre): Do not free modify_expr_node_pool.
2315
2316 2008-03-10  Paul Brook  <paul@codesourcery.com>
2317
2318         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2319         to avoid conflicts.
2320
2321 2008-03-10  Paul Brook  <paul@codesourcery.com>
2322             Mark Shinwell  <shinwell@codesourcery.com>
2323
2324         * config/arm/cortex-r4.md: New.
2325         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2326         insn attributes.
2327         * config/arm/arm.md: Include cortex-r4.md.
2328         (insn): Add smmls, sdiv and udiv values.
2329         (generic_sched): Don't use generic scheduling for Cortex-R4.
2330         (arm_issue_rate): New function.
2331         (TARGET_SCHED_ISSUE_RATE): Define.
2332
2333 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2334
2335         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2336
2337 2008-03-10  Richard Guenther  <rguenther@suse.de>
2338
2339         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2340         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2341
2342 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2343
2344         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2345         Set default to true.
2346
2347 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2348
2349         * c.opt (Wsynth): Deprecate.
2350         * doc/invoke.texi (Option Summary, Warning Options): Document
2351         -Wno-format-contains-nul.
2352
2353 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2354
2355         PR target/35496
2356         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2357         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2358
2359 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2360
2361         * config/rs6000/rs6000.c (builtin_description): Rename vector
2362         left shift operations.
2363         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2364         (altivec_vsl<VI_char>): Rename to ...
2365         (ashl<mode>3): ... new name.
2366         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2367         gen_ashlv4si3.
2368         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2369
2370 2008-03-08  Richard Guenther  <rguenther@suse.de>
2371
2372         * coverage.h (tree_coverage_counter_addr): Declare.
2373         * coverage.c (tree_coverage_counter_addr): New function.
2374         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2375         before using again.
2376         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2377         (tree_gen_one_value_profiler): Likewise.
2378         (tree_gen_ic_profiler): Likewise.
2379         (tree_gen_average_profiler): Likewise.
2380         (tree_gen_ior_profiler): Likewise.
2381
2382 2008-03-08  Richard Guenther  <rguenther@suse.de>
2383
2384         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2385         (vn_binary_op_insert): Likewise.
2386         (vn_unary_op_lookup): Likewise.
2387         (vn_unary_op_insert): Likewise.
2388         (vn_nary_op_lookup): Declare.
2389         (vn_nary_op_insert): Likewise.
2390         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2391         and binary hashes, use a single obstack for unary_op_pool
2392         and binary_op_pool.
2393         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2394         a single struct vn_nary_op_s.  Store tree code length and
2395         a variable number of operands.
2396         (struct vn_reference_op_struct): Remove unused op2.
2397         (vn_reference_op_eq): Do not compare op2.
2398         (vn_reference_op_compute_hash): Do not compute hash of op2.
2399         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2400         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2401         with vn_nary_op_compute_hash.
2402         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2403         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2404         vn_nary_op_lookup.
2405         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2406         vn_nary_op_insert.
2407         (visit_unary_op): Call nary functions.
2408         (visit_binary_op): Likewise.
2409         (process_scc): Adjust for struct vn_tables_s changes.
2410         (allocate_vn_table): Likewise.
2411         (free_vn_table): Likewise.
2412         * tree-vn.c (vn_add): Call nary functions.
2413         (vn_lookup): Likewise.
2414
2415 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2416
2417         PR target/35498
2418         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2419         wdst back after sync_compare_and_swapqhi_internal.
2420
2421 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2422
2423         PR target/22152
2424         * config/i386/i386-modes.def (V1DI): New vector mode.
2425         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2426         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2427         (MMXMODE248): Ditto.
2428         (MMXMODE): Add V1DI mode.
2429         (mmxvecsize): Change DI mode to V1DI mode.
2430         ("mov<mode>): Use MMXMODEI8 mode iterator.
2431         ("*mov<mode>_internal_rex64"): Ditto.
2432         ("*mov<mode>_internal"): Ditto.
2433         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2434         ("mmx_sub<mode>3"): Ditto.
2435         ("mmx_adddi3"): Remove insn pattern.
2436         ("mmx_subdi3"): Ditto.
2437         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2438         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2439         ("mmx_ashl<mode>3"): Ditto.
2440         ("mmx_lshrdi3"): Remove insn pattern.
2441         ("mmx_ashldi3"): Ditto.
2442         * config/i386/i386.c (classify_argument): Handle V1DImode.
2443         (function_arg_advance_32): Ditto.
2444         (function_arg_32): Ditto.
2445         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2446         mmx_addv1di3 insn pattern.
2447         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2448         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2449         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2450         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2451         Remove definitions of built-in functions.
2452         (V1DI_type_node): New node.
2453         (v1di_ftype_v1di_int): Ditto.
2454         (v1di_ftype_v1di_v1di): Ditto.
2455         (v2si_ftype_v2si_si): Ditto.
2456         (v4hi_ftype_v4hi_di): Remove node.
2457         (v2si_ftype_v2si_di): Ditto.
2458         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2459         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2460         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2461         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2462         Add new builtins using def_builtin_const.
2463         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2464         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2465         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2466         * config/i386/mmintrin.h (__v1di): New typedef.
2467         (_mm_add_si64): Cast arguments to __v1di type.
2468         (_mm_sub_si64): Ditto.
2469         (_mm_sll_pi16): Cast __count to __v4hi type.
2470         (_mm_sll_pi32): Cast __count to __v2si type.
2471         (_mm_sll_si64): Cast arguments to __v1di type.
2472         (_mm_srl_pi16): Cast __count to __v4hi type.
2473         (_mm_srl_pi32): Cast __count to __v2si type.
2474         (_mm_srl_si64): Cast arguments to __v1di type.
2475         (_mm_sra_pi16): Cast __count to __v4hi type.
2476         (_mm_sra_pi32): Cast __count to __v2si type.
2477         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2478         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2479         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2480         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2481         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2482         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2483         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2484         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2485         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2486         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2487         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2488         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2489
2490 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2491
2492         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2493
2494 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2495
2496         PR target/35373
2497         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2498         reg+const addressing for Altivec modes.  Don't generate reg+reg
2499         addressing for TFmode or TDmode quantities.
2500
2501 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2502
2503         * c-common.c (vector_types_convertible_p): Call langhook
2504         instead of comptypes.
2505
2506 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2507
2508         PR tree-opt/35402
2509         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2510         integral and scalar float variables which have a
2511         NULL DECL_INITIAL.
2512
2513 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2514
2515         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2516         dwarf_register_span hook when emitting unwind information for
2517         register-to-memory saves.
2518         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2519         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2520
2521 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2522
2523         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2524         for the same VAR_DECL.
2525
2526 2008-03-06  Tom Tromey  <tromey@redhat.com>
2527
2528         * treelang: Delete.
2529         * doc/standards.texi (Standards): Don't mention treelang.
2530         * doc/invoke.texi (Overall Options): Don't mention treelang.
2531         * doc/install.texi (Prerequisites): Don't mention bison or
2532         treelang.
2533         (Configuration): Don't mention treelang.
2534         (Building): Likewise.
2535         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2536
2537 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2538
2539         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2540         word-extractions out of a multi-word object.
2541
2542 2008-03-06  Richard Guenther  <rguenther@suse.de>
2543
2544         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2545         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2546         result type and precision.
2547         * expr.c (get_inner_reference): Set unsignedp based on the result
2548         type of BIT_FIELD_REF.
2549         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2550         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2551         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2552         for BIT_FIELD_REF.
2553         (sra_build_assignment): Likewise.
2554         (sra_build_elt_assignment): Likewise.
2555         (sra_explode_bitfield_assignment): Likewise.
2556         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2557         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2558         set BIT_FIELD_REF_UNSIGNED.
2559         (vectorizable_load): Likewise.
2560
2561 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2562
2563         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2564         at bb start.
2565
2566 2008-03-06  Richard Guenther  <rguenther@suse.de>
2567
2568         * alias.c (struct alias_set_entry): Move has_zero_child field
2569         to pack with alias_set.
2570
2571 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2572
2573         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2574         32bit host.
2575
2576 2008-03-05  Ian Lance Taylor  <iant@google.com>
2577
2578         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2579
2580 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2581
2582         * fwprop.c (update_df): Support width and offset parameters of
2583         df_ref_create.
2584         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2585         global_conflicts): Change DF_REF_EXTRACT to either
2586         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2587         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2588         * df-scan.c (df_ref_record, df_defs_record,
2589         df_ref_create_structure, df_def_record_1, df_uses_record,
2590         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2591         df_bb_refs_collect, df_entry_block_defs_collect,
2592         df_exit_block_uses_collect): Support new width and offset fields.
2593         (ref_extract_pool): New storage pool.
2594         (df_free_ref): New function.
2595         (df_reg_chain_unlink, df_free_collection_rec,
2596         df_sort_and_compress_refs): Call df_free_ref.
2597         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2598         of df_ref_extract.
2599         (df_ref_create_structure): Allocate df_ref_extract if offset and
2600         width fields are used.
2601         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2602         (df_uses_record): Get offset and width from ZERO_EXTRACT
2603         and SIGN_EXTRACT.
2604         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2605         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2606         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2607         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2608         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2609         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2610         (df_ref_extract): New structure.
2611         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2612         (df_ref_create): Add width and offset parameters.
2613
2614 2008-03-05  Richard Guenther  <rguenther@suse.de>
2615
2616         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2617         Use ranges_overlap_p.
2618         (offset_overlaps_with_access): Rename
2619         to ranges_overlap_p and move ...
2620         * tree-flow-inline.h (ranges_overlap_p): ... here.
2621
2622         * tree.h (get_inner_reference, handled_component_p): Update
2623         comments.
2624
2625         * tree.h (record_component_aliases, get_alias_set,
2626         alias_sets_conflict_p, alias_sets_must_conflict_p,
2627         objects_must_conflict_p): Move declarations ...
2628         * alias.h (record_component_aliases, get_alias_set,
2629         alias_sets_conflict_p, alias_sets_must_conflict_p,
2630         objects_must_conflict_p): ... here.
2631         Include coretypes.h.
2632         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2633
2634 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2635
2636         * cfg.c: Include tree-flow.h.
2637         (remove_edge_raw): Call redirect_edge_var_map_clear.
2638         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2639         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2640         (redirect_edge_var_map_result): New.
2641         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2642         PENDING_STMT use with redirect_edge_var_map_*.
2643         * tree-ssa.c (edge_var_maps): New definition.
2644         (redirect_edge_var_map_add): New.
2645         (redirect_edge_var_map_clear): New.
2646         (redirect_edge_var_map_dup): New.
2647         (redirect_edge_var_map_vector): New.
2648         (redirect_edge_var_map_destroy): New.
2649         (ssa_redirect_edge): Replace PENDING_STMT use with
2650         redirect_edge_var_map_*.
2651         (flush_pending_stmts): Same.
2652         (delete_tree_ssa): Destroy edge var map.
2653         * tree-flow.h (struct _edge_var_map): New.
2654         Define edge_var_map vector type.
2655         Declare redirect_edge_var_map_* prototypes.
2656         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2657         * tree-cfg.c (reinstall_phi_args): Replace
2658         PENDING_STMT use with redirect_edge_var_map_*.
2659
2660 2008-03-05  Richard Guenther  <rguenther@suse.de>
2661
2662         PR tree-optimization/35472
2663         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2664         whose single use_stmt has a overlapping set of loaded and
2665         stored symbols as that use_stmt might be a noop assignment then.
2666
2667 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2668
2669         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2670
2671 2008-03-05  Richard Guenther  <rguenther@suse.de>
2672
2673         PR c++/35336
2674         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2675         should be constants.
2676         * tree-cfg.c (verify_expr): Verify it.
2677         * fold-const.c (fold_truthop): Remove code generating
2678         BIT_FIELD_REFs of structure bases.
2679         (fold_binary): Likewise.
2680         (fold_ternary): Position and size of BIT_FIELD_REFs are
2681         always host integers.
2682         (make_bit_field_ref): Remove.
2683         (optimize_bit_field_compare): Remove.
2684         (all_ones_mask_p): Remove.
2685
2686 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2687
2688         PR gcc/33009
2689         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2690         (split_block_and_df_analyze): New. Split basic block and rebuild
2691         dataflow.
2692         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2693         SPLIT_BLOCK.
2694         (split_pattern_seq): Likewise.
2695         (erase_matching_seqs): Likewise.
2696         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2697
2698 2008-03-04  Geoff Keating  <geoffk@apple.com>
2699
2700         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2701         declaration and code.
2702         (tree_invalid_nonnegative_warnv_p): Likewise.
2703
2704 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2705
2706         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2707         examples.  Truncate option-names then causing overfull hbox.
2708
2709 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2710
2711         PR target/35222
2712         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2713         on hpux10.
2714         * configure: Rebuilt.
2715
2716 2008-03-04  Rafael Espindola  <espindola@google.com>
2717
2718         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2719         (tree_unary_nonnegative_warnv_p): New.
2720         (tree_binary_nonnegative_warnv_p): New.
2721         (tree_single_nonnegative_warnv_p): New.
2722         (tree_invalid_nonnegative_warnv_p): New.
2723         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2724
2725 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2726
2727         PR 28322
2728         * opts.c (handle_option): Postpone 'unknown option' errors only for
2729         warning options.
2730
2731 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2732
2733         PR target/35453
2734         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2735         (_SIDD_XXX): This.
2736
2737 2008-03-04  Rafael Espindola  <espindola@google.com>
2738
2739         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2740         (tree_binary_nonzero_warnv_p): New.
2741         (tree_single_nonzero_warnv_p): New.
2742         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2743
2744 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2745
2746         PR middle-end/35456
2747         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2748         transformations for modes that have signed zeros.
2749         * ifcvt.c (noce_try_abs): Ditto.
2750
2751 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2752
2753         * config/i386/i386.c (override_options): Force
2754         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2755
2756 2008-03-04  Jan Hubicka  <jh@suse.cz>
2757
2758         PR c++/35262
2759         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2760         in last commit.
2761
2762 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2763
2764         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2765         label to probe the stack.
2766
2767 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2768
2769         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2770         (__gthr_win32_mutex_destroy): Declare.
2771         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2772         __gthr_win32_mutex_destroy.
2773         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2774
2775 2008-03-03  Jan Hubicka  <jh@suse.cz>
2776
2777         PR c++/35262
2778         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2779         aggressive on inlining cold calls.
2780
2781 2008-03-03  Richard Guenther  <rguenther@suse.de>
2782
2783         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2784         struct copies into the expression table.
2785         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2786         (try_to_simplify): Likewise.
2787         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2788         integral and pointer arguments which do not change the
2789         precision to NOP_EXPRs.
2790         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2791         VIEW_CONVERT_EXPR case.
2792
2793 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2794
2795         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2796         defined in a loop at depth 0 is invariant.
2797         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2798         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2799         be called at loop depth 0.
2800
2801 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2802
2803         PR driver/35420
2804         * gcc.c (process_command): Update copyright notice dates.
2805         * gcov.c (print_version): Likewise.
2806         * gcov-dump.c (print_version): Likewise.
2807         * mips-tfile.c (main): Likewise.
2808         * mips-tdump.c (main): Likewise.
2809
2810 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2811
2812         PR 24924
2813         * c-common.c (flag_permissive): Delete.
2814         (constant_expression_warnings): Check flags first.
2815         (constant_expression_error): New.
2816         * c-common.h (flag_permissive): Delete.
2817         (constant_expression_error): Declare.
2818         * flags.h (flag_permissive): Declare. Update description.
2819         * diagnostic.c (pedwarn): Update.
2820         (permerror): New.
2821         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2822         (permissive_error_kind): New.
2823         * toplev.c (flag_permissive): Define. Update description.
2824         * toplev.h (permissive_error_kind): Declare.
2825         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2826         (pedwarn_c90): Use pedantic_warning_kind.
2827         * c-opts.c (c_common_post_options): flag_permissive does not affect
2828         flag_pedantic_errors.
2829
2830 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2831
2832         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2833         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2834         __absvsi2, __absvDI2): Use unsigned arithmetic.
2835
2836 2008-03-02  Andi Kleen  <ak@suse.de>
2837             Richard Guenther  <rguenther@suse.de>
2838
2839         * struct-equiv.c: Remove file.
2840         * cfg_cleanup.c (condjump_equiv_p): Remove.
2841         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2842         (struct-equiv.o): Remove rule.
2843         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2844         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2845         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2846
2847 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2848
2849         * ifcvt.c (noce_process_if_block): Try to handle only the then
2850         block if the else block exists but isn't suitable.
2851
2852 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2853
2854         PR gcc/35063
2855         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2856         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2857         regression from previous patch.
2858
2859 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2860
2861         PR gcc/35063
2862         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2863         implemented.
2864         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2865         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2866         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2867         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2868         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2869         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2870         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2871         (__gthread_mutex_destroy_function): Rename to
2872         __gthread_mutex_destroy.
2873         * gthr-dce.h (__gthread_mutex_destroy): Call
2874         pthread_mutex_destroy.
2875         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2876         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2877         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2878
2879 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2880
2881         * df-scan.c (df_ref_chain_change_bb): Simplify.
2882         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2883         set_block_for_insn if there's any change.
2884         * df.h ((df_insn_change_bb): Fix prototype.
2885         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2886         df_insn_change_bb, don't call set_block_for_insn.
2887         * emit-rtl.c (reorder_insns): Likewise.
2888         * haifa-sched.c (move_insn): Likewise.
2889
2890 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2891
2892         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2893
2894 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2895
2896         * tree-flow-inline.h (next_readonly_imm_use): Return
2897         NULL_USE_OPERAND_P after the end.
2898
2899 2008-03-01  Richard Guenther  <rguenther@suse.de>
2900
2901         PR tree-optimization/35411
2902         * tree-sra.c (sra_build_assignment): Split conversion to
2903         final type to a separate statement if we are not assigning
2904         to a register.
2905
2906 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2907
2908         * fold-const.c (fold_convertible_p): Correct the logic to follow
2909         that in fold_convert().
2910
2911 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2912
2913         PR c++/35315
2914         * tree-inline.c (build_duplicate_type): When we make a
2915         duplicate type, make it unique in the canonical types system.
2916
2917 2008-02-29  Tom Tromey  <tromey@redhat.com>
2918
2919         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2920         input_file_stack_history, input_file_stack_restored): Remove.
2921         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2922         * input.h (struct file_stack): Remove.
2923         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2924         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2925         Likewise.
2926         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2927         type.
2928         (diagnostic_last_module_changed): Add 'map' argument.
2929         (diagnostic_set_last_function): Likewise.
2930         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2931         line map, not input_file_stack.
2932         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2933
2934 2008-02-29  Paul Brook  <paul@codesourcery.com>
2935
2936         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2937
2938 2008-02-29  Paul Brook  <paul@codesourcery.com>
2939
2940         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2941
2942 2008-02-29  Richard Guenther  <rguenther@suse.de>
2943
2944         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2945         vn_lookup_or_add.
2946         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2947         value for comparing for a store match.
2948         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2949         (try_to_simplify): Do not do a full-blown reference lookup.
2950
2951 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2952
2953         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2954         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2955
2956         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2957
2958 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2959
2960         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2961         strides against cache sizes.
2962
2963 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2964
2965         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2966         constant to fpul.
2967
2968 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2969
2970         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2971         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2972         is smaller than the original promoted value.
2973         (simplify_subreg): If OP is a SUBREG, try to preserve its
2974         SUBREG_PROMOTED_VAR_P information.
2975
2976 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2977
2978         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2979         (VN_INFO_GET): Allocate new objects on the obstack.
2980         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2981         for rpo_numbers_temp, for consistency.
2982         (free_scc_vn): Free the obstack.
2983
2984 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2985
2986         * doc/invoke.texi: Document -ftree-loop-distribution.
2987         * tree-loop-distribution.c: New.
2988         * tree-pass.h (pass_loop_distribution): New.
2989         * graphds.h (struct graph): Add htab_t indices.
2990         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2991         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2992         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2993         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2994         * tree-data-ref.c (debug_data_dependence_relations): New.
2995         (dump_data_dependence_relation): Also print data references.
2996         (free_data_ref): Extern.
2997         (same_access_functions): Moved...
2998         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2999         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3000         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
3001         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
3002         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
3003         (stmts_from_loop): Skip LABEL_EXPR.
3004         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
3005         New.
3006         (build_rdg): Initialize rdg->indices htab.
3007         (free_rdg, stores_from_loop, ref_base_address,
3008         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
3009         have_similar_memory_accesses_1, ref_base_address_1,
3010         remove_similar_memory_refs): New.
3011         * tree-data-ref.h: Depend on tree-chrec.h.
3012         (debug_data_dependence_relations, free_data_ref): Declared.
3013         (same_access_functions): ... here.
3014         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
3015         New.
3016         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
3017         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
3018         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
3019         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
3020         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
3021         rdg_vertex_for_stmt): Declared.
3022         (struct rdg_edge): Add level.
3023         (RDGE_LEVEL): New.
3024         (free_rdg, stores_from_loop, remove_similar_memory_refs,
3025         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
3026         Declared.
3027         (rdg_has_similar_memory_accesses): New.
3028         * tree-vect-analyze.c: Remove unused static decls.
3029         * lambda.h (dependence_level): New.
3030         * common.opt (ftree-loop-distribution): New.
3031         * tree-flow.h (mark_virtual_ops_in_bb,
3032         slpeel_tree_duplicate_loop_to_edge_cfg,
3033         rename_variables_in_loop): Declared.
3034         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
3035         (OBJS-common): Add tree-loop-distribution.o.
3036         (tree-loop-distribution.o): New rule.
3037         * tree-cfg.c (mark_virtual_ops_in_bb): New.
3038         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
3039         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
3040
3041 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
3042
3043         PR target/33963
3044         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
3045         other than structures and unions.
3046
3047 2008-02-28  Richard Guenther  <rguenther@suse.de>
3048
3049         Revert:
3050         2008-02-26  Richard Guenther  <rguenther@suse.de>
3051
3052         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3053         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3054         (lookup_decl_from_uid): Declare.
3055         (remove_decl_from_map): Likewise.
3056         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3057         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3058         (decl_for_uid_map): New global hashtable mapping DECL_UID
3059         to the decl tree.
3060         (init_ttree): Allocate it.
3061         (insert_decl_to_uid_decl_map): New helper function.
3062         (make_node_stat): Insert new decls into the map.
3063         (copy_node_stat): Likewise.
3064         (lookup_decl_from_uid): New function.
3065         (remove_decl_from_map): Likewise.
3066         (print_decl_for_uid_map_statistics): New helper.
3067         (dump_tree_statistics): Call it.
3068
3069         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3070         (referenced_var_iterator): Adjust.
3071         (FOR_EACH_REFERENCED_VAR): Adjust.
3072         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3073         (num_referenced_vars): Adjust.
3074         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3075         (first_referenced_var): Remove.
3076         (end_referenced_vars_p): Likewise.
3077         (next_referenced_var): Likewise.
3078         (referenced_var_iterator_set): New helper function.
3079         * tree-dfa.c (referenced_var_lookup): Adjust.
3080         (referenced_var_check_and_insert): Likewise.
3081         (remove_referenced_var): Likewise.
3082         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3083         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3084         (verify_call_clobbering): Likewise.
3085         (verify_memory_partitions): Likewise.
3086         (init_tree_ssa): Allocate bitmap instead of hashtable for
3087         referenced_vars.
3088         (delete_tree_ssa): Adjust.
3089         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3090         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3091         (compute_tag_properties): Likewise.
3092         (set_initial_properties): Likewise.
3093         (find_partition_for): Likewise.
3094         (update_reference_counts): Likewise.
3095         (dump_may_aliases_for): Likewise.
3096         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3097         (add_call_clobber_ops): Likewise.
3098         (add_call_read_ops): Likewise.
3099         (get_asm_expr_operands): Likewise.
3100         * tree-into-ssa.c (dump_decl_set): Likewise.
3101         (update_ssa): Likewise.
3102         * tree-sra.c (scan_function): Likewise.
3103         (decide_instantiations): Likewise.
3104         (scalarize_parms): Likewise.
3105         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3106         (dsa_named_for): Likewise.
3107         * tree-ssa-structalias.c (update_alias_info): Likewise.
3108         (merge_smts_into): Likewise.
3109
3110 2008-02-27  David Daney  <ddaney@avtrex.com>
3111
3112         PR target/34409
3113         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
3114         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
3115         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
3116         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
3117         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
3118
3119 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         PR target/25477
3122         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
3123         (BUILT_IN_NEXTTOWARD): Remove.
3124         (BUILT_IN_NEXTTOWARDF): Ditto.
3125         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
3126         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
3127
3128 2008-02-27  Tom Tromey  <tromey@redhat.com>
3129
3130         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
3131         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
3132
3133 2008-02-27  Jan Beulich  <jbeulich@novell.com>
3134
3135         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
3136         update the respective field on newdecl.
3137
3138 2008-02-27  Revital Eres  <eres@il.ibm.com>
3139
3140         PR rtl-optimization/34999
3141         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
3142         crossing edges that ends with a call insn.
3143         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
3144         call insn and clear the EDGE_CROSSING flag of the crossing edge
3145         when fixing fallthru edges.
3146
3147 2008-02-27  Richard Guenther  <rguenther@suse.de>
3148
3149         PR middle-end/35390
3150         * fold-const.c (fold_unary): Return the correct argument,
3151         converted to the result type.
3152
3153 2008-02-27  Richard Guenther  <rguenther@suse.de>
3154
3155         PR middle-end/34971
3156         * expr.c (expand_expr_real_1): Assert on rotates that operate
3157         on partial modes.
3158         * fold-const.c (fold_binary): Use the types precision, not the
3159         bitsize of the mode if folding rotate expressions.  Build rotates
3160         only for full modes.
3161
3162 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
3163
3164         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
3165         and CPP_PRAGMA_EOL.
3166         * c-pragma.c (pragma_ns_name): New typedef.
3167         (registered_pp_pragmas): New variable.
3168         (c_pp_lookup_pragma): New function.
3169         (c_register_pragma_1): If flag_preprocess_only, do nothing
3170         for non-expanded pragmas, for expanded ones push pragma's
3171         namespace and name into registered_pp_pragmas vector.
3172         (c_invoke_pragma_handler): Register OpenMP pragmas even when
3173         flag_preprocess_only, don't register GCC pch_preprocess
3174         pragma if flag_preprocess_only.
3175         * c-opts.c (c_common_init): Call init_pragma even if
3176         flag_preprocess_only.
3177         * c-pragma.c (c_pp_lookup_pragma): New prototype.
3178         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
3179         cpp_register_pragma if flag_preprocess_only.
3180
3181 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3182
3183         PR c/28800
3184         * c-parser.c (c_parser_translation_unit): Warn for empty
3185         translation unit, not empty source file.
3186
3187 2008-02-26  Paul Brook  <paul@codesourcery.com>
3188
3189         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3190         operand for Thumb-2.
3191         * config/arm/arm.h (reg_class): Add CORE_REGS.
3192         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3193         (BASE_REG_CLASS): Use CORE_REGS.
3194         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3195         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3196         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3197         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3198         ARM_REGNO_OK_FOR_INDEX_P.
3199         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3200         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3201         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3202         (ldm/stm peepholes): Ditto.
3203         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3204         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3205         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3206         * config/arm/constraints.md: Enable "k" constraint on ARM.
3207
3208 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3209
3210         * config/rs6000/rs6000.c: Annotate cache line size field in all
3211         instances of struct processor_costs.
3212
3213 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3214
3215         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3216         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3217         jump_bypass): New counters.
3218         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3219         * dce.c (gate_ud_dce): Same.
3220         (gate_fast_dce): Same.
3221         * dse.c (gate_dse1): New function.
3222         (gate_dse2): New function.
3223         (gate_dse): Merge results of new gate functions.
3224         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3225         (gate_handle_jump_bypass): Add dbg_cnt.
3226         (gate_handle_gcse): Add dbg_cnt.
3227         * ifcvt.c (gate_handle_if_conversion): Same.
3228         (gate_handle_if_after_combine): Same.
3229         (gate_handle_if_after_reload): Same.
3230         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3231
3232 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3233
3234         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3235         line sizes.
3236         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3237
3238 2008-02-26  Jason Merrill  <jason@redhat.com>
3239
3240         PR c++/35315
3241         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
3242         alone if it's the naming decl for the type's main variant.
3243
3244 2008-02-26  Tom Tromey  <tromey@redhat.com>
3245
3246         * system.h (USE_MAPPED_LOCATION): Poison.
3247         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3248         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3249         (make_goto_expr_edges): Likewise.
3250         (remove_bb): Likewise.
3251         (execute_warn_function_return): Likewise.
3252         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3253         location_t.
3254         * c-common.c (fname_decl): Remove old location code.
3255         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3256         location code.
3257         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3258         variant.
3259         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3260         (gen_rtx_ASM_INPUT): Likewise.
3261         (gen_rtx_ASM_INPUT_loc): Likewise.
3262         (get_rtx_asm_OPERANDS): Remove.
3263         * cfglayout.c (insn_locators_alloc): Remove old location code.
3264         (set_curr_insn_source_location): Likewise.
3265         (curr_insn_locator): Likewise.
3266         * print-tree.c (print_node): Remove old location code.
3267         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3268         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3269         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3270         location_from_locus.
3271         (construct_exit_block): Remove old location code.
3272         * emit-rtl.c (force_next_line_note): Remove old location code.
3273         * profile.c (branch_prob): Remove old location code.
3274         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3275         LOC_LINE): Remove old-location variants.
3276         * langhooks.c (lhd_print_error_function): Remove old location
3277         code.
3278         * configure, config.in: Rebuilt.
3279         * configure.ac (--enable-mapped-location): Remove.
3280         * c-decl.c (c_init_decl_processing): Remove old location code.
3281         (finish_function): Likewise.
3282         * recog.c (decode_asm_operands): Remove old location code.
3283         * c-pch.c (c_common_read_pch): Remove old location code.
3284         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3285         variants.
3286         * gimple-low.c (lower_function_body): Remove old location code.
3287         * toplev.c (unknown_location): Remove.
3288         (push_srcloc): Remove old-location variant.
3289         (process_options): Remove old location code.
3290         (lang_dependent_init): Likewise.
3291         * input.h (UNKNOWN_LOCATION): Move definition.
3292         (location_t): Undeprecate.
3293         (source_locus): Remove.
3294         (location_from_locus): Remove.
3295         (struct location_s): Remove.
3296         Remove all old-location code.
3297         (input_line, input_filename): Remove.
3298         * final.c (final_scan_insn): Remove old location code.
3299         * diagnostic.c (diagnostic_build_prefix): Remove
3300         USE_MAPPED_LOCATION test.
3301         * tree.h (gimple_stmt) <locus>: Now a location_t.
3302         (tree_exp) <locus>: Likewise.
3303         (DECL_IS_BUILTIN): Remove old-location variant.
3304         (annotate_with_file_line, annotate_with_locus): Likewise.
3305         (expr_locus, set_expr_locus): Update.
3306         * tree.c (build1_stat): Remove old location code.
3307         (last_annotated_node): Remove.
3308         (annotate_with_file_line): Remove old-location variant.
3309         (annotate_with_locus): Likewise.
3310         (expr_location): Remove old location code.
3311         (set_expr_location): Likewise.
3312         (expr_has_location): Likewise.
3313         (expr_locus): Likewise.
3314         (set_expr_locus): Likewise.
3315         (expr_filename): Don't use location_from_locus.
3316         (expr_lineno): Likewise.
3317         * rtl-error.c (location_for_asm): Remove old location code.
3318         * c-lex.c (cb_line_change): Remove old location code.
3319         (fe_file_change): Likewise.
3320         (cb_def_pragma): Likewise.
3321         (c_lex_with_flags): Likewise.
3322         * gengtype.c (do_typedef): Don't special-case location types.
3323         (define_location_structures): Remove.
3324         (main): Don't call define_location_structures.
3325         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3326         code.
3327
3328 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3329
3330         PR 26264
3331         * builtins.def (BUILT_IN_STDARG_START): Remove.
3332         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3333         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3334         * tree-inline.c (inline_forbidden_p_1): Likewise.
3335
3336 2008-02-26  Richard Guenther  <rguenther@suse.de>
3337
3338         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3339         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3340         (lookup_decl_from_uid): Declare.
3341         (remove_decl_from_map): Likewise.
3342         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3343         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3344         (decl_for_uid_map): New global hashtable mapping DECL_UID
3345         to the decl tree.
3346         (init_ttree): Allocate it.
3347         (insert_decl_to_uid_decl_map): New helper function.
3348         (make_node_stat): Insert new decls into the map.
3349         (copy_node_stat): Likewise.
3350         (lookup_decl_from_uid): New function.
3351         (remove_decl_from_map): Likewise.
3352         (print_decl_for_uid_map_statistics): New helper.
3353         (dump_tree_statistics): Call it.
3354
3355         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3356         (referenced_var_iterator): Adjust.
3357         (FOR_EACH_REFERENCED_VAR): Adjust.
3358         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3359         (num_referenced_vars): Adjust.
3360         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3361         (first_referenced_var): Remove.
3362         (end_referenced_vars_p): Likewise.
3363         (next_referenced_var): Likewise.
3364         (referenced_var_iterator_set): New helper function.
3365         * tree-dfa.c (referenced_var_lookup): Adjust.
3366         (referenced_var_check_and_insert): Likewise.
3367         (remove_referenced_var): Likewise.
3368         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3369         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3370         (verify_call_clobbering): Likewise.
3371         (verify_memory_partitions): Likewise.
3372         (init_tree_ssa): Allocate bitmap instead of hashtable for
3373         referenced_vars.
3374         (delete_tree_ssa): Adjust.
3375         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3376         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3377         (compute_tag_properties): Likewise.
3378         (set_initial_properties): Likewise.
3379         (find_partition_for): Likewise.
3380         (update_reference_counts): Likewise.
3381         (dump_may_aliases_for): Likewise.
3382         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3383         (add_call_clobber_ops): Likewise.
3384         (add_call_read_ops): Likewise.
3385         (get_asm_expr_operands): Likewise.
3386         * tree-into-ssa.c (dump_decl_set): Likewise.
3387         (update_ssa): Likewise.
3388         * tree-sra.c (scan_function): Likewise.
3389         (decide_instantiations): Likewise.
3390         (scalarize_parms): Likewise.
3391         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3392         (dsa_named_for): Likewise.
3393         * tree-ssa-structalias.c (update_alias_info): Likewise.
3394         (merge_smts_into): Likewise.
3395
3396 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3397
3398         PR 34351
3399         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3400         * c-opts.c (c_common_handle_option): Wall enables
3401         Wvolatile-register-var.
3402         * common.opt: Move Wvolatile-register-var to...
3403         * c.opt: ...here.
3404
3405 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3406
3407         * common.opt (Wlarger-than=): New.
3408         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3409         -Wlarger-than=.
3410         * opts.c (common_handle_option): Handle -Wlarger-than=.
3411         * optc-gen.awk: Likewise.
3412         * opth-gen.awk: Likewise.
3413         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3414         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3415
3416 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3417
3418         * c-common.c (match_case_to_enum_1): Add appropriate
3419         OPT_W* parameter to warning.
3420         (c_do_switch_warnings): Likewise.
3421         * c-typeck.c (warning_init): Add one more parameter following
3422         'warning' function.
3423         (push_init_level): Update call to warning_init.
3424         (pop_init_level): Likewise.
3425         (add_pending_init): Likewise.
3426         (output_init_element: Likewise.
3427
3428 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3429
3430         PR 28322
3431         * toplev.c (toplev_main): If there are warnings or error, print
3432         errors for ignored options.
3433         * opts.c (ignored_options): New static variable.
3434         (postpone_unknown_option_error): New.
3435         (print_ignored_options): New.
3436         (handle_option): Postpone errors for unknown -Wno-* options.
3437         * opts.h (print_ignored_options): Declare.
3438
3439 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3440
3441         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3442         to "ghost".
3443
3444 2008-02-25  Richard Guenther  <rguenther@suse.de>
3445
3446         Revert:
3447         2008-02-25  Richard Guenther  <rguenther@suse.de>
3448
3449         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3450         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3451         (lookup_decl_from_uid): Declare.
3452         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3453         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3454         (decl_for_uid_map): New global hashtable mapping DECL_UID
3455         to the decl tree.
3456         (init_ttree): Allocate it.
3457         (insert_decl_to_uid_decl_map): New helper function.
3458         (make_node_stat): Insert new decls into the map.
3459         (copy_node_stat): Likewise.
3460         (lookup_decl_from_uid): New function.
3461         (print_decl_for_uid_map_statistics): New helper.
3462         (dump_tree_statistics): Call it.
3463
3464         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3465         (referenced_var_iterator): Adjust.
3466         (FOR_EACH_REFERENCED_VAR): Adjust.
3467         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3468         (num_referenced_vars): Adjust.
3469         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3470         (first_referenced_var): Remove.
3471         (end_referenced_vars_p): Likewise.
3472         (next_referenced_var): Likewise.
3473         (referenced_var_iterator_set): New helper function.
3474         * tree-dfa.c (referenced_var_lookup): Adjust.
3475         (referenced_var_check_and_insert): Likewise.
3476         (remove_referenced_var): Likewise.
3477         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3478         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3479         (verify_call_clobbering): Likewise.
3480         (verify_memory_partitions): Likewise.
3481         (init_tree_ssa): Allocate bitmap instead of hashtable for
3482         referenced_vars.
3483         (delete_tree_ssa): Adjust.
3484         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3485         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3486         (compute_tag_properties): Likewise.
3487         (set_initial_properties): Likewise.
3488         (find_partition_for): Likewise.
3489         (update_reference_counts): Likewise.
3490         (dump_may_aliases_for): Likewise.
3491         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3492         (add_call_clobber_ops): Likewise.
3493         (add_call_read_ops): Likewise.
3494         (get_asm_expr_operands): Likewise.
3495         * tree-into-ssa.c (dump_decl_set): Likewise.
3496         (update_ssa): Likewise.
3497         * tree-sra.c (scan_function): Likewise.
3498         (decide_instantiations): Likewise.
3499         (scalarize_parms): Likewise.
3500         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3501         (dsa_named_for): Likewise.
3502         * tree-ssa-structalias.c (update_alias_info): Likewise.
3503         (merge_smts_into): Likewise.
3504
3505 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3506
3507         PR fortran/29549
3508         * doc/invoke.texi (-fcx-limited-range): Document new option.
3509         * toplev.c (process_options): Handle -fcx-fortran-rules.
3510         * common.opt: Add documentation for -fcx-fortran-rules.
3511
3512 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3513
3514         PR c/35162
3515         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3516         actual behaviour and C99.
3517
3518 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3519
3520         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3521         (ASM_CPU_POWER6_SPEC): Likewise.
3522         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3523         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3524         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3525
3526 2008-02-25  Richard Guenther  <rguenther@suse.de>
3527
3528         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3529         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3530         (lookup_decl_from_uid): Declare.
3531         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3532         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3533         (decl_for_uid_map): New global hashtable mapping DECL_UID
3534         to the decl tree.
3535         (init_ttree): Allocate it.
3536         (insert_decl_to_uid_decl_map): New helper function.
3537         (make_node_stat): Insert new decls into the map.
3538         (copy_node_stat): Likewise.
3539         (lookup_decl_from_uid): New function.
3540         (print_decl_for_uid_map_statistics): New helper.
3541         (dump_tree_statistics): Call it.
3542
3543         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3544         (referenced_var_iterator): Adjust.
3545         (FOR_EACH_REFERENCED_VAR): Adjust.
3546         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3547         (num_referenced_vars): Adjust.
3548         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3549         (first_referenced_var): Remove.
3550         (end_referenced_vars_p): Likewise.
3551         (next_referenced_var): Likewise.
3552         (referenced_var_iterator_set): New helper function.
3553         * tree-dfa.c (referenced_var_lookup): Adjust.
3554         (referenced_var_check_and_insert): Likewise.
3555         (remove_referenced_var): Likewise.
3556         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3557         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3558         (verify_call_clobbering): Likewise.
3559         (verify_memory_partitions): Likewise.
3560         (init_tree_ssa): Allocate bitmap instead of hashtable for
3561         referenced_vars.
3562         (delete_tree_ssa): Adjust.
3563         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3564         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3565         (compute_tag_properties): Likewise.
3566         (set_initial_properties): Likewise.
3567         (find_partition_for): Likewise.
3568         (update_reference_counts): Likewise.
3569         (dump_may_aliases_for): Likewise.
3570         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3571         (add_call_clobber_ops): Likewise.
3572         (add_call_read_ops): Likewise.
3573         (get_asm_expr_operands): Likewise.
3574         * tree-into-ssa.c (dump_decl_set): Likewise.
3575         (update_ssa): Likewise.
3576         * tree-sra.c (scan_function): Likewise.
3577         (decide_instantiations): Likewise.
3578         (scalarize_parms): Likewise.
3579         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3580         (dsa_named_for): Likewise.
3581         * tree-ssa-structalias.c (update_alias_info): Likewise.
3582         (merge_smts_into): Likewise.
3583
3584 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3585
3586         PR target/35258
3587         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3588         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3589         * alias.h (nonoverlapping_memrefs_p): Likewise.
3590
3591 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3592
3593         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3594         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3595         __emultls_get_address, __emultls_register_common,
3596         __floatundi?f, and _Unwind_GetIPInfo.
3597         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3598         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3599         (gen_regparm_prefix): Likewise.
3600         (i386_nlm_encode_section_info): Sync with
3601         config/i386/winnt.c:i386_pe_encode_section_info().
3602         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3603         i386_nlm_mangle_decl_assembler_name): New.
3604         (netware_override_options): New.
3605         * config/i386/netware.h (netware_override_options): Declare.
3606         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3607         (i386_nlm_mangle_decl_assembler_name): Declare.
3608         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3609
3610 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3611
3612         PR other/32948
3613         * c-decl.c (grokdeclarator): Remove unused local variables
3614         `typedef_type' and `type_as_written'.
3615         * bb-reorder.c
3616         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3617         unused local variable `has_hot_blocks'.
3618         (fix_crossing_conditional_branches): Remove unused local variable
3619         `prev_bb'.
3620
3621 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3622
3623         PR middle-end/19984
3624         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3625         using DEF_C99_BUILTIN.
3626         (BUILT_IN_NANF): Ditto.
3627         (BUILT_IN_NANL): Ditto.
3628
3629 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3630             Revital Eres  <eres@il.ibm.com>
3631
3632         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3633         regarding the order of two dependent insns in the same row.
3634
3635 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3636
3637         * stor-layout.c (layout_decl): Do not bump the alignment of a
3638         bit-field to more than byte alignment if it is packed.
3639
3640 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3641
3642         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3643         e300c2 and e300c3.
3644
3645 2008-02-24  Diego Novillo  <dnovillo@google.com>
3646
3647         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3648
3649         PR 33738
3650         * tree-vrp.c (vrp_evaluate_conditional): With
3651         -Wtype-limits, emit a warning when comparing against a
3652         constant outside the natural range of OP0's type.
3653         * c.opt (Wtype-limits): Move ...
3654         * common.opt (Wtype-limits): ... here.
3655
3656 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3657
3658         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3659         * config/rs6000/e300c2c3.md: New file.
3660         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3661         e300c2 and e300c3.
3662         (rs6000_override_options): Add e300c2 and e300c3 cases to
3663         processor_target_table. Do not allow usage of Altivec or Spe
3664         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3665         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3666         * config/rs6000/rs6000.h (processor_type): Add
3667         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3668         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3669         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3670         and ppce300c3. Include e300c2c3.md.
3671
3672 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3673
3674         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3675         instead of TARGET_STRICT_ALIGN.
3676
3677 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3678
3679         * explow.c (memory_address): Assert that the generated address is
3680         valid.
3681
3682 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3683
3684         PR target/25477
3685         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3686         * config/darwin-ppc-ldouble-patch.def: New file.
3687         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3688         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3689         SUBTARGET_INIT_BUILTINS if defined.
3690         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3691         New functions.
3692
3693 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3694
3695         PR rtl-opt/33512
3696         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3697         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3698
3699 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3700
3701         PR pch/35027
3702         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3703         file" warning condtional on -Winvalid-PCH.
3704
3705 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3706
3707         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3708
3709 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3710
3711         PR target/22076
3712         PR target/34256
3713         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3714         prevent reload from using MMX registers.
3715         (*mov<mode>_internal): Ditto.
3716         (*movv2sf_internal_rex64): Ditto.
3717         (*movv2sf_internal): Ditto.
3718
3719 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3720
3721         PR documentation/31569
3722         * doc/install.texi2html: Use makeinfo --no-number-sections.
3723
3724 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3725
3726         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3727         ensure that we can address an entire entity > 8 bytes.  Don't
3728         generate reg+reg addressing for such data.
3729
3730 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3731
3732         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3733         strings when optimizing for size, unless the target cares about
3734         alignment.
3735
3736 2008-02-22  Tom Tromey  <tromey@redhat.com>
3737
3738         * regclass.c (current_pass): Remove declaration.
3739
3740 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3741
3742         * config/avr/libgcc.S (__RAMPZ__): Define.
3743         (__do_copy_data): Add for devices with 128KB code memory.
3744
3745 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3746
3747         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3748         Use spe_abi.
3749         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3750
3751 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3752
3753         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3754         GENNONACR_REGS.
3755
3756 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3757
3758         PR c/19999
3759         * c-typeck.c (build_binary_op): Warn about floating point
3760         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3761
3762 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3763
3764         PR target/34526
3765         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3766         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3767         add vrsave.
3768         (rs6000_override_options): Set altivec_abi as default, not override,
3769         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3770         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3771         is used; use new member spe_abi.
3772         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3773         spe_abi and altivec_abi.
3774
3775 2008-02-22  Tomas Bily  <tbily@suse.cz>
3776
3777         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3778
3779 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3780
3781         PR bootstrap/35273
3782         * config.build (build_file_translate): Set to `CMD //c' only if
3783         it works.
3784         * Makefile.in (build_file_translate): Improve comment.
3785
3786 2008-02-21  Jan Hubicka  <jh@suse.cz>
3787
3788         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3789         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3790         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3791
3792 2008-02-21  Michael Matz  <matz@suse.de>
3793
3794         PR target/35264
3795         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3796
3797 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3798
3799         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3800         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3801         as insn constraint.
3802         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3803         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3804         SSE_VEC_FLOAT_MODE_P as insn constraint.
3805         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3806         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3807         sse4a_movntdf using MODEF mode iterator.
3808         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3809         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3810         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3811         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3812         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3813         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3814         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3815
3816 2008-02-21  Richard Guenther  <rguenther@suse.de>
3817
3818         * tree.def (PAREN_EXPR): New tree code.
3819         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3820         and PAREN_EXPR.
3821         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3822         * expr.c (expand_expr_real_1): Likewise.
3823         * tree-inline.c (estimate_num_insns_1): Likewise.
3824         * tree-complex.c (expand_complex_move): Likewise.
3825         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3826         as plain x.
3827
3828 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3829
3830         PR target/35225
3831         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3832
3833 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3834
3835         PR target/35190
3836         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3837
3838         * config/sh/sh.c (find_barrier): Don't go past
3839         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3840
3841 2008-02-20  DJ Delorie  <dj@redhat.com>
3842
3843         * config/h8300/h8300.md (insv): Force source operand to be a register.
3844
3845         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3846         as a jump, not as a plain insn.
3847
3848 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3849
3850         * doc/invoke.texi (Warning Options): Add new option
3851         -Wframe-larger-than=.
3852         (-Wframe-larger-than): Document.
3853
3854         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3855         Add declarations for new option variables.
3856
3857         * final.c (final_start_function): Check the frame size
3858         before emission and issue a Wframe-larger-than warning.
3859
3860         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3861         Add definitions for new option variables.
3862         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3863
3864         * common.opt (Wframe-larger-than=): New option.
3865
3866 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3867
3868         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3869         (<sse>_div<mode>3): Ditto.
3870         (<sse>_vmdiv<mode>3): Ditto.
3871         (<sse>_vmsqrt<mode>2): Ditto.
3872         (*smax<mode>3): Ditto.
3873         (sse5_frcz<mode>2): Ditto.
3874         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3875         as insn constraint.
3876
3877 2008-02-20  Richard Guenther  <rguenther@suse.de>
3878
3879         PR middle-end/35265
3880         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3881         be happy with INTEGRAL_TYPE_P.
3882
3883 2008-02-20  Richard Guenther  <rguenther@suse.de>
3884
3885         * fold-const.c (split_tree): Associate floatig-point expressions
3886         if flag_associative_math is set.
3887
3888 2008-02-20  Richard Guenther  <rguenther@suse.de>
3889
3890         * tree.h (fold_real_zero_addition_p): Declare.
3891         * fold-const.c (fold_real_zero_addition_p): Export.
3892         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3893         floating-point operations with zero and one.
3894
3895 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3896
3897         * doc/install.texi: Correct references to CFLAGS, replacing them
3898         with BOOT_CFLAGS.  Document flags used during bootstrap for
3899         target libraries.
3900
3901 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3902
3903         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3904         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3905         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3906         insn constraint.
3907         (smin<mode>3): Ditto from similar patterns.
3908         (smax<mode>3): Ditto.
3909         (*ieee_smin<mode>3): Ditto.
3910         (*ieee_smax<mode>3): Ditto.
3911         * config/i386/sse.md (sse): New mode attribute.
3912         (mov<mode>): Macroize expander from movv4sf and movv2df using
3913         SSEMODEF2P mode iterator.
3914         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3915         SSE_VEC_FLOAT_MODE_P as insn constraint.
3916         (storent<mode>): Ditto.
3917         (storent<mode>): Macroize expander from storentsf and storentdf using
3918         MODEF mode iterator.
3919         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3920         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3921         (abs<mode>2): Ditto from similar patterns.
3922         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3923         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3924         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3925         (<sse>_vmsqrt<mode>2): Ditto.
3926         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3927         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3928         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3929         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3930         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3931         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3932         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3933         insn constraint.
3934         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3935         iterator and SSE_FLOAT_MODE_P as insn constraint.
3936         (<sse>_ucomi): Ditto from similar patterns.
3937         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3938         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3939         SSE_VEC_FLOAT_MODE_P as insn constraint.
3940         (vcond<mode>): Ditto from similar patterns.
3941         (and<mode>3, *and<mode>3): Ditto.
3942         (<sse>_nand<mode>3): Ditto.
3943         (ior<mode>3, *ior<mode>3): Ditto.
3944         (xor<mode>3, *xor<mode>3): Ditto.
3945         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3946         iterator and SSE_FLOAT_MODE_P as insn constraint.
3947         (*nand<mode>3): Ditto from similar patterns.
3948         (*ior<mode>3): Ditto.
3949         (*xor<mode>3): Ditto.
3950
3951 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3952
3953         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3954         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3955         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3956
3957 2008-02-19  Jan Hubicka  <jh@suse.cz>
3958
3959         * predict.c (tree_bb_level_predictions): Remove variable next
3960         mistakely introduced by previous commit.
3961
3962 2008-02-19  Jan Hubicka  <jh@suse.cz>
3963
3964         * predict.c (predict_paths_leading_to): Rewrite.
3965         (predict_paths_for_bb): New.
3966         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3967
3968 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3969
3970         PR bootstrap/35218
3971         * Makefile.in (build_file_translate): New.
3972         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3973         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3974         * configure.ac (build_file_translate): Substitute it.
3975         * configure: Regenerate.
3976
3977 2008-02-19  Jan Hubicka  <jh@suse.cz>
3978
3979         PR rtl-optimization/34408
3980         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3981         invalid sharing.
3982
3983 2008-02-19  Jan Hubicka  <jh@suse.cz>
3984
3985         PR middle-end/28779
3986         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3987         call_expr.
3988
3989 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3990
3991         PR Ada/35186
3992         * config/i386/i386-modes.def: Revert the last DI alignment
3993         change until Ada people can look into it.
3994
3995 2008-02-19  Nick Clifton  <nickc@redhat.com>
3996
3997         * opts.c (print_specific_help): Fix typo in --help text.
3998
3999 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
4000
4001         PR target/35239
4002         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
4003         32-bit inline asm without asm alternatives for host GCC < 3.0.
4004
4005 2008-02-19  Richard Guenther  <rguenther@suse.de>
4006
4007         PR tree-optimization/34989
4008         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
4009         Allow propagation to INDIRECT_REF if we can simplify only.
4010
4011 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4012
4013         * c-common.c (warn_for_collisions_1): Use appropriate option when
4014         warning.
4015
4016 2008-02-19  Nick Clifton  <nickc@redhat.com>
4017
4018         PR other/31349
4019         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
4020         (handle_options): Fix indentation.
4021         (print_filtered_help): If no language-specific options were
4022         displayed tell the user how to list all the options supported by
4023         the language's front-end.
4024         (print_specific_help): Fix indentation and remove duplicate line.
4025         (common_handle_option): Handle the -v option.
4026         For --help enable the display of undocumented options if the -v
4027         switch has been included on the command line.
4028         For --help= check for overlaps in the arguments between the option
4029         classes and the language names and issue a warning when they
4030         cannot be disambiguated.
4031         * c.opt (v): Pass on to the common option handler.
4032
4033 2008-02-19  Revital Eres  <eres@il.ibm.com>
4034
4035         * modulo-sched.c (sms_schedule): Change dump message when
4036         create_ddg function fails.
4037         (try_scheduling_node_in_cycle): Rename row to cycle.
4038         (print_partial_schedule): Rename CYCLE to ROW.
4039
4040 2008-02-19  Christian Bruel  <christian.bruel@st.com>
4041             Zdenek Dvorak  <ook@ucw.cz>
4042
4043         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
4044
4045 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4046
4047         PR target/33555
4048         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
4049         (*x86_movdicc_0_m1_se): Ditto.
4050
4051 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
4052
4053         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
4054         (CMPtype): Define as __gcc_CMPtype.
4055         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
4056         (CMPtype): Define as __gcc_CMPtype.
4057
4058 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
4059
4060         Support valgrind 3.3 for --enable-checking=valgrind.
4061         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
4062         here.
4063         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
4064         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
4065         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
4066         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
4067         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
4068         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
4069         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
4070         respectively.
4071         * ggc-zone.c: Similar.
4072         * ggc-page.c: Similar.
4073
4074 2008-02-19  Paul Brook  <paul@codesourcery.com>
4075
4076         PR target/35071
4077         * config/arm/ieee754-df.S: Fix do_it typo.
4078         * config/arm/ieee754-sf.S: Fix do_it typo.
4079
4080 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4081
4082         PR target/35189
4083         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
4084         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
4085         (OPTION_MASK_ISA_SSE_SET): Likewise.
4086         (OPTION_MASK_ISA_SSE2_SET): Likewise.
4087         (OPTION_MASK_ISA_SSE3_SET): Likewise.
4088         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
4089         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
4090         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
4091         (OPTION_MASK_ISA_SSE4_SET): Likewise.
4092         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
4093         (OPTION_MASK_ISA_SSE5_SET): Likewise.
4094         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
4095         (OPTION_MASK_ISA_MMX_UNSET): Updated.
4096         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
4097         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4098         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4099         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4100         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4101         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4102         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4103         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
4104         (OPTION_MASK_ISA_SSE4): Removed.
4105         (ix86_handle_option): Turn on bits in ix86_isa_flags and
4106         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
4107         (override_options): Don't turn on implied SSE/MMX bits in
4108         ix86_isa_flags.
4109
4110 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
4111
4112         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4113         32bit host.
4114
4115 2008-02-18  Joey Ye  <joey.ye@intel.com>
4116
4117         PR middle-end/34921
4118         * tree-nested.c (insert_field_into_struct): Set type alignment
4119         to field alignment if the former is less than the latter.
4120
4121 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
4122
4123         * BASE-VER: Set to 4.4.0.
4124
4125 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4126
4127         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
4128         * doc/cfg.texi: Likewise.
4129         * doc/extend.texi: Likewise.
4130         * doc/gty.texi: Likewise.
4131         * doc/invoke.texi: Likewise.
4132         * doc/loop.texi: Likewise.
4133         * doc/md.texi: Likewise.
4134         * doc/passes.texi: Likewise.
4135         * doc/rtl.texi: Likewise.
4136         * doc/sourcebuild.texi: Likewise.
4137         * doc/tm.texi: Likewise.
4138         * doc/tree-ssa.texi: Likewise.
4139
4140 2008-02-17  Richard Guenther  <rguenther@suse.de>
4141
4142         PR middle-end/35227
4143         * tree-complex.c (init_parameter_lattice_values): Handle parameters
4144         without default definition.
4145
4146 2008-02-17  Richard Guenther  <rguenther@suse.de>
4147
4148         PR tree-optimization/35231
4149         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
4150         if A | B != 1.
4151
4152 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
4153
4154         Revert:
4155         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4156         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4157         libgcc_cmp_return mode.
4158
4159 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4160
4161         PR c/28368
4162         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
4163
4164 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
4165
4166         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
4167         multilibs.
4168
4169 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4170
4171         * doc/c-tree.texi: Use `@.' where appropriate.
4172         * doc/extend.texi: Likewise.
4173         * doc/install.texi: Likewise.
4174         * doc/invoke.texi: Likewise.
4175         * doc/loop.texi: Likewise.
4176         * doc/makefile.texi: Likewise.
4177         * doc/md.texi: Likewise.
4178         * doc/passes.texi: Likewise.
4179         * doc/standards.texi: Likewise.
4180         * doc/tm.texi: Likewise.
4181
4182 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4183
4184         PR middle-end/35196
4185         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4186         in entry_bb.
4187         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4188         rather than in entry_bb.
4189
4190 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4191
4192         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4193         libgcc_cmp_return mode.
4194
4195 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4196
4197         PR middle-end/35130
4198         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4199         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4200
4201 2008-02-15  Richard Guenther  <rguenther@suse.de>
4202             Zdenek Dvorak  <ook@ucw.cz>
4203
4204         PR tree-optimization/35164
4205         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4206         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4207         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4208         Only propagate addresses which do not have abnormal SSA_NAMEs
4209         in their operands.
4210
4211 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4212
4213         PR target/35088
4214         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4215
4216 2008-02-15  Jan Hubicka  <jh@suse.cz>
4217
4218         PR middle-end/35149
4219         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4220
4221 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4222
4223         PR middle-end/34621
4224         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4225         when calculating alignment_pad.
4226
4227 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4228
4229         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4230         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4231         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4232         and STACK_BOUNDARY define.
4233
4234 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4235
4236         PR preprocessor/35061
4237         * c-pragma.c (handle_pragma_pop_macro): Check that
4238         pushed_macro_table has been allocated.
4239
4240 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4241
4242         PR middle-end/35136
4243         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4244         (force_gimple_operand): Likewise.
4245         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4246         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4247         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4248         (find_interesting_uses_address): Check addressability and alignment
4249         of the base expression only after substituting bases of IVs into it.
4250
4251 2008-02-14  Michael Matz  <matz@suse.de>
4252
4253         PR target/34930
4254         * function.c (instantiate_virtual_regs_in_insn): Reload address
4255         before falling back to reloading the whole operand.
4256
4257 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4258
4259         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4260         before the first section switch note.
4261
4262 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4263
4264         * doc/bugreport.texi: Update copyright years.
4265         * doc/c-tree.texi: Likewise.
4266         * doc/cfg.texi: Likewise.
4267         * doc/cpp.texi: Likewise.
4268         * doc/cppinternals.texi: Likewise.
4269         * doc/fragments.texi: Likewise.
4270         * doc/frontends.texi: Likewise.
4271         * doc/gcc.texi: Likewise.
4272         * doc/gty.texi: Likewise.
4273         * doc/hostconfig.texi: Likewise.
4274         * doc/implement-c.texi: Likewise.
4275         * doc/libgcc.texi: Likewise.
4276         * doc/loop.texi: Likewise.
4277         * doc/makefile.texi: Likewise.
4278         * doc/options.texi: Likewise.
4279         * doc/passes.texi: Likewise.
4280         * doc/rtl.texi: Likewise.
4281         * doc/sourcebuild.texi: Likewise.
4282         * doc/standards.texi: Likewise.
4283         * doc/tree-ssa.texi: Likewise.
4284         * doc/trouble.texi: Likewise.
4285
4286         * doc/extend.texi: Use @: or add comma where appropriate.
4287         * doc/invoke.texi: Likewise.
4288         * doc/tm.texi: Likewise.
4289
4290 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4291
4292         PR target/34393
4293         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4294         to a reg.
4295
4296 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4297
4298         * doc/md.texi (clz, ctz): Add reference.
4299         * doc/rtl.texi (clz, ctz): Likewise.
4300
4301 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4302
4303         PR other/35148
4304         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4305         srcdir.
4306
4307 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4308
4309         * config/s390/s390.c (struct constant_pool): New field
4310         emit_pool_after added.
4311         (s390_mainpool_start): Set the emit_pool_after flag according
4312         to the section switch notes.
4313         (s390_mainpool_finish): Consider emit_pool_after when emitting
4314         the literal pool at the end of the function.
4315         (s390_chunkify_start): Force literal pool splits at section
4316         switch notes.
4317
4318 2008-02-13  Michael Matz  <matz@suse.de>
4319
4320         PR debug/35065
4321         * var-tracking.c (clobber_variable_part): Correctly traverse the
4322         list.
4323
4324 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4325
4326         PR 29673
4327         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4328         Add -fdump-ipa-inline.
4329         * tree-dump.c (dump_files): Remove tree-inlined dump.
4330         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4331
4332 2008-02-12  Richard Guenther  <rguenther@suse.de>
4333
4334         PR tree-optimization/35171
4335         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4336         default defs.
4337
4338 2008-02-12  Richard Guenther  <rguenther@suse.de>
4339
4340         PR middle-end/35163
4341         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4342         value-preserving mode.  Disallow final truncation.
4343
4344 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4345
4346         PR middle-end/35136
4347         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4348         code from here to...
4349         (force_gimple_operand): ...here.
4350
4351 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4352
4353         PR c++/35144
4354         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4355         non-compatible pointers.
4356         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4357         different FIELD_DECLs, try harder by comparing field offsets, sizes
4358         and types.
4359
4360         PR inline-asm/35160
4361         * function.c (match_asm_constraints_1): Don't replace the same input
4362         multiple times.
4363
4364 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4365
4366         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4367         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4368         (expand_epilogue): Restore RAMPZ register.
4369         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4370
4371 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4372
4373         * config/i386/cygwin.asm: (__alloca): Correct calling
4374         convention and alignment.
4375         (__chkstk): Force 8 byte stack alignment.
4376
4377 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4378             Richard Guenther  <rguenther@suse.de>
4379
4380         PR tree-optimization/33992
4381         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4382         the zero we compare against.
4383
4384 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4385
4386         PR libfortran/35063
4387         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4388         to CloseHandle after unlocking to prevent accumulation of handle
4389         count.
4390
4391 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4392
4393         PR middle_end/34150
4394         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4395         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4396         and update LABEL_NUSES during and after reload.
4397
4398 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4399
4400         PR middle-end/34627
4401         * combine.c (simplify_if_then_else): Make sure the comparison is
4402         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4403
4404 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4405
4406         PR bootstrap/35051
4407         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4408         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4409         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4410         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4411         * tree.h (get_type_static_bounds): Likewise.
4412
4413 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4414
4415         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4416         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4417         Make -Wfoo language annotations match what the compiler outputs.
4418
4419 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4420
4421         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
4422         intrinsics spu_convts, spu_convtu, spu_convtf.
4423         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4424
4425 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4426
4427         * doc/extend.texi (Function Attributes) <noinline>: Mention
4428         asm ("") as method to keep calls.
4429
4430 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4431
4432         PR other/32754
4433         * doc/options.texi (Options): Replace references to opts.sh with
4434         optc-gen.awk.
4435         * opts-common.c: Likewise.
4436         * optc-gen.awk: Likewise.
4437
4438 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4439
4440         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4441
4442 2008-02-07  Richard Henderson  <rth@redhat.com>
4443
4444         PR rtl-opt/33410
4445         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4446         EXPR_LIST for the REG_EQUAL instead of a comparison with a
4447         funny mode.
4448
4449 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4450
4451         PR tree-optimization/35085
4452         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4453         for operand entry oe2 in addition to operand entry oe3 in order to
4454         expose more opportunities for vectorizer sum reduction.
4455
4456 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4457
4458         PR other/35107
4459         * Makefile.in (LIBS): Remove $(GMPLIBS).
4460         (cc1-dummy, cc1): Add $(GMPLIBS).
4461
4462 2008-02-06  Jan Hubicka  <jh@suse.cz>
4463
4464         PR target/23322
4465         * i386.md (moddf_integer): Do not produce partial memory stalls for
4466         targets where it hurts.
4467
4468 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4469
4470         PR target/35083
4471         * optabs.c (expand_float): Do not check for decimal modes when
4472         expanding unsigned integer through signed conversion.
4473
4474 2008-02-06  Nick Clifton  <nickc@redhat.com>
4475
4476         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4477         inside the clobber with a match_operand and duplicated operand
4478         number in the constraint.
4479         (ineqbranchsi): Delete redundant comment.
4480
4481 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4482
4483         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
4484         builtin_define ("__USE_INIT_FINI__").
4485         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4486         -msx multilibs.
4487         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4488
4489 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4490
4491         PR documentation/30330
4492         * doc/invoke.texi (C++ Dialect Options)
4493         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4494         For each warning option -Wfoo that allows -Wno-foo, ensure both
4495         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4496         entry of -Wswitch-default, index -Wnormalized= including the
4497         `=', and -Wlarger-than-@var{len} including @var{len}.
4498
4499 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4500
4501         * config/i386/i386.md (floatunssisf2): Use
4502         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4503         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4504         Macroize expander using MODEF mode iterator.
4505
4506 2008-02-05  Diego Novillo  <dnovillo@google.com>
4507
4508         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4509
4510         PR 33738
4511         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4512
4513 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4514
4515         PR other/35070
4516         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4517
4518 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4519
4520         PR target/35084
4521         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4522         to indicate if a message should be generated.
4523         (init_cumulative_args): Updated.
4524         (function_value_32): Likewise.
4525
4526 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4527
4528         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4529
4530 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4531
4532         PR target/35083
4533         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4534         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4535
4536 2008-02-04  Diego Novillo  <dnovillo@google.com>
4537
4538         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4539
4540         PR 33738
4541         * tree-vrp.c (vrp_evaluate_conditional): With
4542         -Wtype-limits, emit a warning when comparing against a
4543         constant outside the natural range of OP0's type.
4544
4545 2008-02-04  Richard Guenther  <rguenther@suse.de>
4546
4547         PR middle-end/33631
4548         * expr.c (count_type_elements): Give for unions instead of
4549         guessing.
4550
4551 2008-02-04  Richard Guenther  <rguenther@suse.de>
4552
4553         PR middle-end/35043
4554         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4555         to TYPE_DOMAINs base type instead of using bitsizetype here.
4556
4557 2008-02-03  Jason Merrill  <jason@redhat.com>
4558
4559         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4560
4561 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4562
4563         PR other/29972
4564         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4565         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4566         (RS/6000 and PowerPC Options): Fix typos and markup.
4567         * doc/passes.texi (Tree-SSA passes): Likewise.
4568
4569 2008-02-02  Michael Matz  <matz@suse.de>
4570
4571         PR target/35045
4572         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4573         from record_last_reg_set_info.
4574         (record_last_reg_set_info): Take an RTX argument, iterate over all
4575         constituent hardregs.
4576         (record_last_set_info, record_opr_changes): Change calls to
4577         new signature or to record_last_reg_set_info_regno.
4578
4579 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4580
4581         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4582
4583 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4584
4585         PR rtl-optimization/34773
4586         * reg-notes.def (EQUAL): Mention significance of combination of
4587         REG_EQUAL and REG_RETVAL.
4588         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4589         insn that has a REG_RETVAL.
4590
4591 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4592
4593         PR bootstrap/33781
4594         * configure.ac (--enable-fixed-point): Disable unless explicitly
4595         requested on IRIX.
4596         * configure: Regenerate.
4597
4598 2008-02-01  Richard Guenther  <rguenther@suse.de>
4599
4600         PR other/35042
4601         * invoke.texi (-finline-limit): Remove no longer true parts
4602         of the documentation.  Note that there is no default value.
4603
4604 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4605             Mark Mitchell  <mark@codesourcery.com>
4606             Ben Elliston  <bje@au.ibm.com>
4607
4608         PR c/29326
4609         * doc/extend.texi (Other Builtins): Document.
4610
4611 2008-01-31  Tom Browder <tom.browder@gmail.com>
4612
4613         * doc/c-tree.texi (Types): Fix grammar.
4614         (Expression trees): Ditto.
4615         * doc/passes.texi (Tree-SSA passes): Ditto.
4616
4617         * doc/configterms.texi (Configure Terms): Fix typo.
4618         * doc/cpp.texi (Common Predefined Macros): Ditto.
4619         * doc/md.texi (Machine Constraints): Ditto.
4620
4621         * doc/makefile.texi (Makefile): Add comma.
4622
4623 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4624             Gerald Pfeifer  <gerald@pfeifer.com>
4625
4626         * doc/sourcebuild.texi (Front End): Remove references to CVS
4627         and CVSROOT/modules.
4628         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4629         (Back End): Remove reference to CVS.
4630
4631 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4632
4633         PR target/34900
4634         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4635         comment from...
4636         (mips16_gp_pseudo_reg): ...here.
4637         * config/mips/mips.md (load_const_gp): Replace with...
4638         (load_const_gp_<mode>): ...this :P-based insn.
4639
4640 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4641
4642         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4643         options. Minor fixes.
4644         (-std): Move reference to standards closer to where language
4645         standards are first mentioned.
4646
4647 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4648
4649         PR rtl-optimization/34995
4650         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4651         parameter and return a bool.  If the rtx parameter is nonnull,
4652         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4653         (find_reloads): Update call accordingly.  Pass the new operand
4654         if it needed no address reloads, otherwise pass null.
4655
4656 2008-01-30  Richard Henderson  <rth@redhat.com>
4657
4658         PR c/34993
4659         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4660         for unbounded arrays.
4661
4662 2008-01-30  Silvius Rus  <rus@google.com>
4663
4664         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4665
4666 2008-01-30  Jan Hubicka  <jh@suse.cz>
4667
4668         PR target/34982
4669         * i386.c (init_cumulative_args): Use real function declaration when
4670         calling locally.
4671
4672 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4673
4674         PR rtl-optimization/34998
4675         * global.c (build_insn_chain): Treat non-subreg_lowpart
4676         SUBREGs of pseudos as clobbering all the words covered by the
4677         SUBREG, not just all the bytes.
4678         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4679         original df_ref rather than an extract parameter.
4680         (global_conflicts): Update call accordingly.
4681
4682 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4683
4684         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4685         the overflow check to make it easier to read.
4686         (__fixtfdi): Change the type of the ll member in union
4687         long_double to UDItype_x.
4688
4689 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4690
4691         PR middle-end/34969
4692         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4693         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4694         * tree-inline.c (fold_marked_statements): Call
4695         cgraph_update_edges_for_call_stmt if folding a call statement.
4696         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4697         debug_generic_stmt calls, reset it back afterwards.
4698
4699         PR c/35017
4700         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4701         static decls.
4702         * c-typeck.c (build_external_ref): Don't pedwarn about
4703         static vars in current function's scope.
4704
4705 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4706
4707         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4708
4709 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4710
4711         PR c/35002
4712         * ipa-struct-reorg.c: Fix spelling.
4713         * params.def: Ditto.
4714
4715 2008-01-29  Richard Guenther  <rguenther@suse.de>
4716
4717         PR middle-end/35006
4718         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4719         field.
4720         * tree-inline.c (remap_type): Increment remapping_type_depth
4721         around remapping types.
4722         (copy_body_r): Only add referenced variables if they are referenced
4723         from code, not types.
4724
4725 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4726
4727         PR c++/34055
4728         PR c++/34103
4729         PR c++/34219
4730         PR c++/34606
4731         PR c++/34753
4732         PR c++/34754
4733         PR c++/34755
4734         PR c++/34919
4735         PR c++/34961
4736         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4737         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4738
4739 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4740
4741         PR target/34412
4742         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4743         pointer for tiny stack.
4744
4745 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4746
4747         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4748
4749 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4750
4751         * config/vx-common.h: Fix typo in comment.
4752
4753 2008-01-28  Ian Lance Taylor  <iant@google.com>
4754
4755         PR c++/34862
4756         PR c++/33407
4757         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4758         coalesce pointers if they have different DECL_NO_TBAA_P values.
4759         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4760         between variables with different DECL_NO_TBAA_P values.
4761
4762 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4763
4764         PR 31535
4765         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4766         are not legitimate small data references on SPE targets.
4767
4768 2008-01-28  David Daney  <ddaney@avtrex.com>
4769
4770         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4771
4772 2008-01-28  David Daney  <ddaney@avtrex.com>
4773
4774         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4775
4776 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4777
4778         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4779         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4780         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4781         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4782         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4783         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4784         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4785         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4786
4787 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4788
4789         * basic-block.h (condjump_equiv_p): Fix comment.
4790
4791 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4792
4793         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4794         print_generic_stmt_indented): Fix comment.
4795
4796 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4797
4798         * configure.ac (__stack_chk_fail): Add detecion for availability
4799         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4800         * configure: Regenerate.
4801
4802 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4803
4804         PR middle-end/34688
4805         * final.c (output_addr_const): Handle TRUNCATE.
4806
4807 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4808
4809         PR target/34711
4810         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4811         (zero_cost, infinite_cost): New constants.
4812         (struct cost_pair): Change type of cost to comp_cost.
4813         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4814         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4815         New functions.
4816         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4817         split_address_cost, ptr_difference_cost, difference_cost,
4818         get_computation_cost_at, get_computation_cost,
4819         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4820         determine_use_iv_cost_condition, determine_use_iv_costs,
4821         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4822         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4823         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4824         Change type of cost to comp_cost.
4825         (determine_iv_cost): Increase cost of non-original ivs, instead
4826         of decreasing the cost of original ones.
4827         (get_address_cost): Indicate the complexity of the addressing mode
4828         in comp_cost.
4829         (try_add_cand_for): Prefer using ivs not specific to some object.
4830         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4831
4832 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4833             Janis Johnson  <janis187@us.ibm.com>
4834
4835         PR target/34814
4836         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4837         (TARGET_INSTANTIATE_DECLS): Likewise.
4838         * target.h (expand_to_rtl_hook): New target hook.
4839         (instantiate_decls): Likewise.
4840         * function.c (instantiate_decl): Make non-static.  Rename to...
4841         (instantiate_decl_rtl): ... this.
4842         (instantiate_expr): Use instantiate_decl_rtl.
4843         (instantiate_decls_1): Likewise.
4844         (instantiate_decls): Likewise.
4845         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4846         * function.h (instantiate_decl_rtl): Add prototype.
4847         * cfgexpand.c (target.h): New include.
4848         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4849         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4850         (TARGET_INSTANTIATE_DECLS): Likewise.
4851         (TARGET_INITIALIZER): New target hooks added.
4852         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4853         New prototype.
4854         * config/rs6000/rs6000.c (tree-flow.h): New include.
4855         (machine_function): Add sdmode_stack_slot field.
4856         (rs6000_alloc_sdmode_stack_slot): New function.
4857         (rs6000_instantiate_decls): Likewise.
4858         (rs6000_secondary_memory_needed_rtx): Likewise.
4859         (rs6000_check_sdmode): Likewise.
4860         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4861         (TARGET_INSTANTIATE_DECLS): Likewise.
4862         (rs6000_hard_regno_mode_ok): Allow SDmode.
4863         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4864         (rs6000_emit_move): Handle SDmode.
4865         (function_arg_advance): Likewise.
4866         (function_arg): Likewise.
4867         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4868         SDmode var args for 32-bit compiles.
4869         (rs6000_secondary_reload_class): Handle SDmode.
4870         (rs6000_output_function_epilogue): Likewise.
4871         (rs6000_function_value): Simplify if statement.
4872         (rs6000_libcall_value): Likewise.
4873         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4874         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4875         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4876         (movsd_hardfloat): New define_insn.
4877         (movsd_softfloat): Likewise.
4878         (movsd_store): Likewise.
4879         (movsd_load): Likewise.
4880         (extendsddd2): Likewise.
4881         (extendsdtd2): Likewise.
4882         (truncddsd2): Likewise.
4883         (movdd_hardfloat64): Fixup comment.
4884         (UNSPEC_MOVSD_LOAD): New constant.
4885         (UNSPEC_MOVSD_STORE): Likewise.
4886
4887 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4888
4889         PR c++/34965
4890         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4891         TRUTH_XOR_EXPR.
4892         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4893         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4894         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4895         and TRUTH_XOR_EXPR.
4896
4897 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4898
4899         PR target/34794
4900         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4901         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4902         __LONGDOUBLE128 too.
4903         * config/rs6000/aix61.h: New file.
4904
4905 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4906
4907         PR rtl-optimization/34959
4908         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4909         popcount and parity rtxes the same mode as their operand.
4910         Truncate or extend the result to the return value's mode
4911         if necessary.
4912
4913 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4914
4915         PR target/34981
4916         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4917         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4918         to GOT_VERSION_REGNUM.
4919         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4920         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4921         * config/mips/mips.c (mips_emit_call_insn): New function.
4922         (mips_call_tls_get_addr): Call mips_expand_call directly.
4923         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4924         emit_call_insn.
4925         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4926         (mips_expand_call): Update the call to mips16_build_call_stub
4927         accordingly and a remove redundant condition.  Assert that MIPS16
4928         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4929         the call insn.
4930         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4931         TARGET_USE_GOT.
4932         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4933         (mips_avoid_hazard): Remove hazard_set handling.
4934         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4935         (UNSPEC_RESTORE_GP): ...this.
4936         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4937         (FAKE_CALL_REGNO): Rename to...
4938         (GOT_VERSION_REGNUM): ...this.
4939         (type): Add "ghost" value.  Add an associated insn reservation.
4940         (hazard_set): Remove.
4941         (exception_receiver): Rename to...
4942         (restore_gp): ...this and update the unspec identifier accordingly.
4943         (exception_receiver, nonlocal_got_receiver): New expanders.
4944         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4945         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4946         (set_got_version, update_got_version): New patterns.
4947
4948 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4949
4950         PR target/34970
4951         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4952
4953 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4954
4955         PR other/31955
4956         * doc/install.texi2html: Generate gcc-vers.texi.
4957
4958 2008-01-25  DJ Delorie  <dj@redhat.com>
4959
4960         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4961
4962 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4963
4964         * config/c4x: Remove directory.
4965         * config.gcc (crx-*, mt-*): Mark obsolete.
4966         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4967         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4968         sh-*-rtemscoff*): Remove cases.
4969         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4970         * real.c (encode_c4x_single, decode_c4x_single,
4971         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4972         c4x_extended_format): Remove.
4973         * real.h (c4x_single_format, c4x_extended_format): Remove.
4974         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4975         on C4x.
4976         (Pragmas): Remove comment about c4x pragmas.
4977         * doc/install.texi (c4x): Remove target-specific instructions.
4978         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4979         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4980         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4981         refer to C4x source files as examples.
4982         (C4X_FLOAT_FORMAT): Remove documentation.
4983
4984 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4985
4986         * config/bfin/bfin.c (override_options): Reorder tests so that
4987         flag_pic gets enabled for -msep-data.
4988
4989 2008-01-25  Richard Guenther  <rguenther@suse.de>
4990
4991         PR middle-end/32244
4992         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4993         to its bitfield precision if required.
4994
4995 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4996
4997         PR middle-end/33880
4998         * tree-nested.c (walk_omp_for): New function.
4999         (convert_nonlocal_reference, convert_local_reference): Call
5000         walk_omp_for on OMP_FOR.
5001         (convert_call_expr): Call walk_body on OMP_FOR's
5002         OMP_FOR_PRE_INIT_BODY.
5003
5004 2008-01-25  Richard Guenther  <rguenther@suse.de>
5005
5006         PR tree-optimization/34966
5007         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
5008         default defs and PHI_NODEs we have to insert after the
5009         defining statement.
5010
5011 2008-01-24  Nick Clifton  <nickc@redhat.com>
5012
5013         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
5014         Provide a default definition.
5015         (LIBGCC2_UNITS_PER_WORD): Likewise.
5016
5017         * config/stormy16/stormy16.c: Include df.h for the prototype
5018         for df_regs_ever_live_p.
5019         (xstormy16_expand_builtin_va_start): Convert the stack offset
5020         into a component_ref and then use POINTER_PLUS_EXPR to add it
5021         to the incoming_virtual_args_rtx.
5022         (xstormy16_gimplify_va_arg_expr): Rename to
5023         xstormy16_gimplify_va_arg_expr.
5024         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
5025         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
5026         xstormy16_gimplify_va_arg_expr.
5027         Fix up some formatting issues.
5028
5029         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
5030         Move to predicates.md.
5031         (xs_hi_general_operand): Likewise.
5032         (xs_hi_nonmemory_operand): Likewise.
5033         * config/stormy16/predicates.md:
5034         (xstormy16_carry_plus_operand): New predicate.
5035         (xs_hi_general_operand): New predicate.
5036         (xs_hi_nonmemory_operand): New predicate.
5037         * config/stormy16/stormy16-protos.h:
5038         (xstormy16_carry_plus_operand): Delete prototype.
5039         (xs_hi_general_operand): Likewise.
5040         (xs_hi_nonmemory_operand): Likewise.
5041
5042         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
5043         modifiers as they are no longer needed and they can trigger
5044         reload spill failures.
5045
5046         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
5047         with a match_operand in order to help reload.
5048
5049         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
5050         constraint with 'e' for the 8th alternative as this version of
5051         the mov.w instruction only accepts the lower 8 registers.
5052
5053 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
5054
5055         PR target/34856
5056         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
5057         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
5058         vector elements.
5059
5060 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
5061
5062         PR middle-end/33333
5063         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
5064
5065 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5066
5067         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
5068         New functions.
5069         (remove_structure): Update allocations list before removing structure.
5070
5071 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
5072
5073         * ipa-struct-reorg.c (is_safe_cond_expr,
5074         create_new_stmts_for_cond_expr): Use integer_zerop function,
5075         that recognize not only zero-pointer, but zero-integer too.
5076
5077 2008-01-25  Ben Elliston  <bje@au.ibm.com>
5078
5079         PR other/22232
5080         * fixproto: Escape "." in sed expression that strips leading "./".
5081
5082 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
5083
5084         PR driver/34904
5085         * gcc.c (SWITCH_OK): Removed.
5086         (SWITCH_LIVE): Changed to bit.
5087         (SWITCH_FALSE): Likewise.
5088         (SWITCH_IGNORE): Likewise.
5089         (switchstr): Change live_cond to unsigned int.
5090         (process_command): Replace SWITCH_OK with 0.
5091         (do_self_spec): Likewise.
5092         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
5093         (give_switch): Likewise.
5094         (used_arg): Likewise.
5095         (do_spec_1): Set the SWITCH_IGNORE bit.
5096         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
5097         bits.  Set the SWITCH_LIVE bit.
5098
5099 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
5100
5101         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
5102
5103 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
5104
5105         PR tree-optimization/34472
5106         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
5107         parameter to a "bool *" and set *DATA to false if there is
5108         an unsafe access.  Do not delete the structure here.
5109         (check_cond_exprs): Delete it here instead.
5110         (check_cond_exprs, exclude_cold_structs): Do not increase
5111         I when removing a structure.
5112
5113 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
5114
5115         PR target/34856
5116         * config/i386/i386.c (ix86_expand_vector_init): Consider only
5117         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
5118
5119 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
5120
5121         PR middle-end/34934
5122         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
5123         a fixed vector for stack.
5124
5125 2008-01-24  Ben Elliston  <bje@au.ibm.com>
5126
5127         PR c++/25701
5128         * doc/gcc.texi (Software development): Add a direntry for g++.
5129
5130 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
5131
5132         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
5133         stale and straggling -fforce-addr comments above.
5134
5135         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
5136         define.
5137         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
5138         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
5139
5140 2008-01-23  Michael Matz  <matz@suse.de>
5141
5142         PR debug/34895
5143         * dwarf2out.c (force_type_die): Use modified_type_die instead of
5144         gen_type_die.
5145
5146 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
5147
5148         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
5149         malloc result type.
5150
5151 2008-01-23 Anatoly Sokolov <aesok@post.ru>
5152
5153         * config/avr/avr.c (avr_current_arch): New variable.
5154         (avr_arch_types): Add 'avr31' and 'avr51' entries.
5155         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
5156         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
5157         (avr_override_options): Init 'avr_current_arch'.
5158         (base_arch_s): Move from here...
5159         * config/avr/avr.h (base_arch_s): ... here. Add new members
5160         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
5161         'mega' to 'have_jmp_call'.
5162         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
5163         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
5164         macros.
5165         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
5166         architectures.
5167         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
5168         MULTILIB_MATCHES): (Ditto.).
5169
5170 2008-01-23  Richard Guenther  <rguenther@suse.de>
5171
5172         PR middle-end/31529
5173         * cgraphunit.c (cgraph_reset_node): Always mark the node
5174         not reachable if it is not queued already.
5175
5176 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5177
5178         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
5179         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
5180         (cputype_selected): New static variable.
5181         (bfin_handle_option): Set it if -mcpu is used.
5182         (override_option): Select default set of workarounds if no cpu type
5183         selected on the command line.
5184         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5185
5186         From  Michael Frysinger  <michael.frysinger@analog.com>
5187         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5188         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5189
5190         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5191         for bf547, bf523, bf524, and bf526.
5192         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
5193         bf526.
5194         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5195         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5196         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5197         __ADSPBF547__ and __ADSPBF54x__ for bf547.
5198         * doc/invoke.texi (Blackfin Options): Document that
5199         -mcpu now accept bf547, bf523, bf524, and bf526.
5200
5201 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5202
5203         PR rtl-optimization/34628
5204         * combine.c (try_combine): Stop and undo after the first combination
5205         if an autoincrement side-effect on the first insn has effectively
5206         been lost.
5207
5208 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5209
5210         PR target/34529
5211         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5212         Offset addresses are not valid for Altivec or paired float modes.
5213
5214 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5215
5216         PR c++/34607
5217         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5218         if DECL_INITIAL (decl) is error_mark_node.
5219
5220         PR c++/34914
5221         * c-common.c (handle_vector_size_attribute): Only allow
5222         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5223         the same way as pointer, array etc. types.
5224         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5225
5226         PR c++/34917
5227         * tree.c (build_type_attribute_qual_variant): Call
5228         build_qualified_type if attributes are equal, but quals are not.
5229
5230 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5231
5232         PR 32102
5233         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5234         * flags.h (warn_strict_aliasing): Remove.
5235         (warn_strict_overflow): Remove.
5236         * opts.c (warn_strict_aliasing): Remove.
5237         (warn_strict_overflow): Remove.
5238         * c-opts.c (c_common_handle_option): -Wall only sets
5239         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5240         (c_common_post_options): Give default values to -Wstrict-aliasing
5241         and -Wstrict-overflow if they are uninitialized.
5242         * common.opt (Wstrict-aliasing): Specify Var and Init.
5243         (Wstrict-overflow): Likewise.
5244
5245 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5246
5247         PR rtl-optimization/26854
5248         PR rtl-optimization/34400
5249         PR rtl-optimization/34884
5250         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5251         DF_RD->gen.
5252         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5253         (df_rd_bb_info.expanded_lr_out): Deleted
5254         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5255         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5256         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5257         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5258         Removed code to allocate, initialize or free expanded_lr_out.
5259         (df_rd_bb_local_compute_process_def): Restructured to make more
5260         understandable.
5261         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5262         sets if the sets are being trimmed.
5263
5264 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5265
5266         PR bootstrap/32287
5267         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5268         (as_vers): Likewise.
5269         * configure: Regenerated.
5270
5271 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5272
5273         PR middle-end/33092
5274         * tree-pass.h (pass_build_alias): New pass.
5275         * tree-ssa-alias.c (gate_build_alias): New.
5276         (pass_build_alias): New.
5277         * passes.c (init_optimization_passes): Add pass_build_alias after
5278         pass_create_structure_vars.
5279
5280 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5281
5282         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5283         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5284         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5285         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5286         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5287         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5288         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5289         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5290         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5291         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5292         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5293         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5294         * config/s390/s390.md (FP_ALL): New mode iterator.
5295         (_d): New mode attribute.
5296         ("*signbit<mode>2>"): Changed mode of first operand.
5297         ("isinf<mode>2"): Changed mode of first operand.
5298         ("*TDC_insn"): Adaptation for DFP modes.
5299
5300 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5301
5302         * tree.c (check_qualified_type): Improve function description.
5303
5304 2008-01-21  Jason Merrill  <jason@redhat.com>
5305
5306         PR c++/34196
5307         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5308         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5309         if it is set.
5310
5311 2008-01-21  DJ Delorie  <dj@redhat.com>
5312
5313         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5314         return zero.
5315
5316 2008-01-21  Richard Guenther  <rguenther@suse.de>
5317
5318         PR middle-end/34856
5319         * tree-cfg.c (verify_expr): Allow all invariant expressions
5320         instead of just constant class ones as reference argument.
5321         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5322         like any other constant.
5323         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5324
5325 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5326
5327         * regmove.c (fixup_match_1): Update call crossed frequencies.
5328
5329 2008-01-21  Richard Guenther  <rguenther@suse.de>
5330
5331         PR c/34885
5332         * tree-inline.c (setup_one_parameter): Deal with mismatched
5333         types using a VIEW_CONVERT_EXPR.
5334
5335 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5336             Olga Golovanevsky  <olga@il.ibm.com>
5337
5338         PR tree-optimization/34701
5339         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5340         when the structure size is not a power of 2.
5341
5342 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5343
5344         * doc/install.texi: Add doc for --enable-checking=df.
5345
5346 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5347
5348         PR rtl-optimization/34808
5349         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5350
5351 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5352
5353         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5354         input.
5355
5356 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5357
5358         PR rtl-optimization/26854
5359         PR rtl-optimization/34400
5360         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5361         DF_RD->gen.
5362         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5363         (df_rd_bb_info.expanded_lr_out): New.
5364         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5365         * loop_iv.c (iv_analysis_loop_init): Ditto.
5366         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5367         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5368         Added code to allocate, initialize or free expanded_lr_out.
5369         (df_rd_bb_local_compute_process_def): Restructured to make
5370         more understandable.
5371         (df_rd_confluence_n): Add code to do nothing with fake edges and
5372         code to no apply invalidate_by_call sets if the sets are being trimmed.
5373         (df_lr_local_finalize): Renamed to df_lr_finalize.
5374         (df_live_local_finalize): Renamed to df_live_finalize.
5375
5376 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5377
5378         PR target/34831
5379         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5380         deciding whether to use reciprocal instructions.
5381
5382 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5383
5384         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5385         dwarf2out_note_section_used if cold_text_section is NULL.
5386
5387 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5388
5389         PR gcov-profile/34610
5390         * tree-cfg.c (make_edges): Mark both outgoing edges from
5391         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5392         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5393         from OMP_FOR and OMP_CONTINUE outgoing edges.
5394
5395         * tree-profile.c (tree_profiling): Return early if
5396         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5397         at the end.
5398         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5399         from cfun to child_cfun.
5400         * function.h (struct function): Add after_tree_profile bit.
5401
5402 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5403
5404         * config/avr/avr.S (_exit): Disable interrupt.
5405
5406 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5407             Steven Bosscher  <stevenb.gcc@gmail.com>
5408
5409         PR rtl-optimization/26854
5410         PR rtl-optimization/34400
5411         * df-problems.c (df_live_scratch): New scratch bitmap.
5412         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5413         (df_live_reset): Clear the proper bitmaps.
5414         (df_live_bb_local_compute): Only process the artificial defs once
5415         since the order is not important.
5416         (df_live_init): Init the df_live sets only with the variables
5417         found live by df_lr.
5418         (df_live_transfer_function): Use the df_lr sets to prune the
5419         df_live sets as they are being computed.
5420         (df_live_free): Free df_live_scratch.
5421
5422 2008-01-18  Ian Lance Taylor  <iant@google.com>
5423
5424         * common.opt: Add fmerge-debug-strings.
5425         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5426         flag_merge_debug_strings rather than flag_merge_constants.
5427         * doc/invoke.texi (Option Summary): Mention
5428         -fmerge-debug-strings.
5429         (Debugging Options): Document -fmerge-debug-strings.
5430
5431 2008-01-18  Ian Lance Taylor  <iant@google.com>
5432
5433         PR c++/33407
5434         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5435         (struct tree_function_decl): Add new field operator_new_flag.
5436         * tree-inline.c (expand_call_inline): When inlining a call to
5437         operator new, force the return value to go into a variable, and
5438         set DECL_NO_TBAA_P on that variable.
5439         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5440
5441 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5442
5443         PR debug/34484
5444         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5445         DWARF2_DEBUGGING_INFO.
5446         (dwarf2out_note_section_used): Ditto.  Add prototype.
5447         (have_multiple_function_sections, text_section_used,
5448         cold_text_section_used, *cold_text_sections): Move declarations
5449         before their uses.
5450
5451 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5452
5453         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5454         field and add signal_ra.
5455         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5456         assignments to frame state pc.  Move end of stack check after
5457         MD_FALLBACK_FRAME_STATE_FOR.
5458         (uw_update_context_1): Use frame state signal_regs if set, instead
5459         of checking signal_frame flag.
5460         (uw_update_context): Use frame state signal_ra if set.
5461         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5462         * config/xtensa/linux-unwind.h: New file.
5463
5464 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5465
5466         * modulo-sched.c (get_sched_window): Fix comment typo.
5467
5468 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5469
5470         PR tree-optimization/34648
5471         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5472
5473 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5474
5475         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5476         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5477
5478 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5479
5480         PR rtl-optimization/34400
5481         * df-core.c (df_worklist_dataflow_overeager,
5482         df_worklist_dataflow_doublequeue): New functions.
5483         (df_worklist_dataflow): Two different worklist solvers.
5484         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5485         New param.
5486
5487 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5488
5489         PR testsuite/34821
5490         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5491         and ftree-parallelize-loops.
5492
5493 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5494
5495         PR rtl-optimization/34826
5496         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5497
5498 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5499
5500         * global.c (find_reg): Mark the eh regs as used if necessary.
5501         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5502         * ra.h (struct allocno): no_eh_reg field added.  Changed
5503         no_stack_reg type to bitfield.
5504
5505 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5506
5507         * tree.c (substitute_in_expr): Add missing 'break'.
5508
5509 2008-01-17  Richard Guenther  <rguenther@suse.de>
5510
5511         PR tree-optimization/34825
5512         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5513         x / x as division to handle.
5514
5515 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5516
5517         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5518         "-pthread" is specified.
5519         * pa-hpux11.h (LIB_SPEC): Likewise.
5520
5521 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5522             Peter Bergner  <bergner@vnet.ibm.com>
5523
5524         PR rtl-optimization/33796
5525         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5526
5527 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5528
5529         PR libgfortran/34699
5530         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5531         static links.
5532         * pa-hpux10.h (LINK_SPEC): Likewise.
5533         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5534
5535 2008-01-16  Richard Guenther  <rguenther@suse.de>
5536
5537         PR middle-end/32628
5538         * fold-const.c (fold_convert_const_int_from_int): Do not
5539         set overflow if that occured only because of a sign extension
5540         change when converting from/to a sizetype with the same
5541         precision and signedness.
5542
5543 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5544
5545         PR debug/34249
5546         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5547         location address to the correct place.  Update copyright year.
5548
5549 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5550
5551         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5552         no dependences in the dependence_relations vector.
5553
5554 2008-01-16  Jan Hubicka  <jh@suse.cz>
5555
5556         PR rtl-optimization/31396
5557         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5558         * cfg.c (dump_reg_info): Print it.
5559         * regs.h (struct reg_info_t): add freq_calls_crossed.
5560         (REG_FREQ_CALLS_CROSSED): New macro.
5561         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5562         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5563         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5564         regmove_optimize): Update call crossed frequencies.
5565         * local-alloc.c (struct qty): Add freq_calls_crossed.
5566         (alloc_qty): Copute freq_calls_crossed.
5567         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5568         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5569         * ra.h (struct allocno): Add freq_calls_crossed.
5570
5571 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5572
5573         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5574         libgomp when compiling with ftree-parallelize-loops.
5575         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5576
5577 2008-01-16  Richard Guenther  <rguenther@suse.de>
5578
5579         PR tree-optimization/34769
5580         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5581         * tree.c (int_cst_value): Instead make this function more
5582         permissive in what it accepts as valid input.  Document this
5583         function always sign-extends the value.
5584
5585 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5586             Richard Guenther  <rguenther@suse.de>
5587
5588         PR c/34668
5589         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5590         (gimple_fold_indirect_ref_rhs): ... this.
5591         (gimple_fold_indirect_ref): New function with foldings
5592         that preserve lvalueness.
5593         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5594         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5595         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5596         to fold an INDIRECT_REF, fall back to the old use of
5597         fold_indirect_ref_1.
5598
5599 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5600
5601         * tree-data-ref.c (subscript_dependence_tester_1): Call
5602         free_conflict_function.
5603         (compute_self_dependence): Same.
5604
5605 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5606
5607         PR debug/34249
5608         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5609         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5610         function global.
5611         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5612         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5613         for DWARF2_UNWIND_INFO targets.
5614
5615 2008-01-16  Richard Guenther  <rguenther@suse.de>
5616
5617         PR c/34768
5618         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5619         type qualifiers for function types.
5620
5621 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5622
5623         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5624         loop_iterator li from previous commit.
5625
5626 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5627
5628         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5629
5630 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5631
5632         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5633         (parallelize_loops): Don't parallelize irreducible components.
5634
5635 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5636
5637         PR c++/24924
5638         * c-opts (c_common_post_options): Do not enable CPP
5639         flag_pedantic_errors by default.
5640
5641 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5642
5643         PR rtl-optimization/31944
5644         * cse.c (remove_pseudo_from_table): New function.
5645         (merge_equiv_classes): Use above function to remove pseudo-registers.
5646         (invalidate): Likewise.
5647
5648 2008-01-13  Richard Guenther  <rguenther@suse.de>
5649
5650         PR middle-end/34601
5651         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5652         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5653
5654 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5655
5656         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5657         validate_change to unshare the source of the PC set.
5658
5659 2008-01-12  Jan Hubicka  <jh@suse.cz>
5660
5661         PR middle-end/32135
5662         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5663         references above array bounds.  This might trigger bounds checks for
5664         pointers to arrays.
5665
5666 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5667
5668         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5669         new_replaceable_dependencies.
5670
5671 2008-01-12  Doug Kwan  <dougkwan@google.com>
5672
5673         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5674         instead of OPT_Wreturn_type in warning due to ignored return type
5675         qualifiers.
5676         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5677         options included in -Wextra.
5678         * c.opt: New option -Wignored_qualifiers.
5679         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5680         -Wignore_qualifiers.
5681         (-Wignored-qualifiers): Document.
5682         (-Wreturn-type): Remove description of functionality now handled
5683         by -Wignored-qualifiers.
5684
5685 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5686
5687         PR ada/33788
5688         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5689         NOP_EXPR if it is between integral types with the same precision.
5690
5691 2008-01-12  Jan Hubicka  <jh@suse.cz>
5692
5693         PR other/28023
5694         * invoke.texi (max-inline-recursive-depth): Fix default value.
5695
5696 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5697
5698         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5699         correct type.
5700
5701 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5702
5703         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5704
5705 2008-01-11  James E. Wilson  <wilson@specifix.com>
5706
5707         PR target/26015
5708         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5709
5710 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5711
5712         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5713         save/restore frame pointer register and don't use 'call-prologues'
5714         optimization in function with "OS_task" attribute.
5715
5716 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5717
5718         PR middle-end/31309
5719         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5720         when copying to memory.
5721
5722 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5723
5724         PR rtl-optimization/30905
5725         * cfgcleanup.c: Include dce.h
5726         (crossjumps_occured): New global variable.
5727         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5728         If something changed, set crossjumps_occured to true.
5729         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5730         Don't add/remove fake edges to exit here...
5731         (cleanup_cfg): ...but do it here, when crossjumping.
5732         Run a fast DCE when successful crossjumps occured in the latest
5733         iteration of try_optimize_cfg.
5734
5735 2008-01-11  Richard Guenther  <rguenther@suse.de>
5736
5737         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5738         (struct vn_unary_op_s): Likewise.
5739         (vn_reference_insert): Free old reference on hash collision.
5740
5741 2008-01-10  Raksit Ashok  <raksit@google.com>
5742
5743         PR rtl-optimization/27971
5744         * combine.c (find_split_point): Split PLUS expressions which are
5745         inside a MEM rtx, and whose first operand is complex.
5746
5747 2008-01-10  DJ Delorie  <dj@redhat.com>
5748
5749         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5750         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5751         (m32c_hard_regno_ok): Call the underlying function.
5752
5753 2008-01-10  Richard Guenther  <rguenther@suse.de>
5754
5755         PR middle-end/34683
5756         * tree-cfg.c (tree_merge_blocks): Do not go through the
5757         full-blown folding and stmt updating path if we just deal
5758         with virtual operands.
5759         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5760         test for abnormal SSA_NAMEs.
5761
5762 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5763
5764         PR middle-end/34641
5765         * reload.c (push_reload): Add assertions.  All constants from
5766         reg_equiv_constant should have been used for replacing the respective
5767         pseudo earlier.
5768         (find_reloads_address): Invoke find_reloads_address_part for
5769         constant taken from the reg_equiv_constant array.
5770
5771 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5772
5773         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5774         field (valnum) the first in the struct.  Replace bools with
5775         unit bit fields.
5776
5777 2008-01-10  Richard Guenther  <rguenther@suse.de>
5778
5779         PR tree-optimization/34651
5780         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5781         types and ordering for masking and converting.
5782
5783 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5784
5785         PR tree-optimization/34017
5786         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5787         also for PHI_NODE expressions.
5788
5789 2008-01-09  Jan Hubicka  <jh@suse.cz>
5790
5791         PR tree-optimization/34708
5792         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5793         based on number of case labels.
5794         (init_inline_once): Remove switch_cost.
5795         * tree-inline.h (eni_weights_d): Remove switch_cost.
5796
5797 2008-01-09  Richard Guenther  <rguenther@suse.de>
5798         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5799
5800         PR middle-end/30132
5801         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5802         temporary if an rvalue is ok or an lvalue is not required.
5803
5804 2008-01-09  Richard Guenther  <rguenther@suse.de>
5805
5806         PR middle-end/34458
5807         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5808         adjust return type.
5809
5810 2008-01-09  Richard Guenther  <rguenther@suse.de>
5811
5812         PR middle-end/34679
5813         * tree.c (host_integerp): Check for sizetype only if the
5814         type is an integer type.
5815
5816 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5817
5818         PR debug/26364
5819         * opts.c (decode_options): Disable inlining of functions called
5820         once if not in unit-at-a-time mode.
5821
5822 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5823
5824         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5825
5826 2008-01-08  Richard Guenther  <rguenther@suse.de>
5827
5828         PR middle-end/31863
5829         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5830         out early if the result will be unused.
5831
5832 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5833
5834         PR target/34709
5835         Revert:
5836
5837         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5838         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5839         for TARGET_RECIP.
5840
5841 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5842
5843         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5844         for vectorization tuned.
5845
5846 2008-01-08  Richard Guenther  <rguenther@suse.de>
5847
5848         PR tree-optimization/34683
5849         * tree-ssa-operands.c (operand_build_cmp): Export.
5850         * tree-ssa-operands.h (operand_build_cmp): Declare.
5851         * tree-vn.c (vuses_compare): Remove.
5852         (sort_vuses): Use operand_build_cmp.
5853         (sort_vuses_heap): Likewise.
5854         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5855         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5856         (vdefs_to_vec): Do not sort already sorted VDEFs.
5857
5858 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5859
5860         PR middle-end/34694
5861         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5862
5863 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5864
5865         PR target/34702
5866         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5867         limitations of reciprocal sequences on x86 targets.
5868
5869 2008-01-08  Richard Guenther  <rguenther@suse.de>
5870
5871         PR tree-optimization/34683
5872         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5873
5874 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5875
5876         PR target/34622
5877         * config/darwin.c (darwin_mergeable_string_section): Don't use
5878         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5879
5880 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5881
5882         PR target/34682
5883         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5884         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5885         predicates of op0 and op1 to register_operand.
5886         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5887         expander using X87MODEF mode iterator.  Change predicates of
5888         op0 and op1 to register_operand.
5889         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5890         corresponding patterns and macroize using MODEF macro.  Change
5891         predicates of op0 and op1 to register_operand and remove
5892         "m" constraint. Disparage "r" alternative with "!".
5893         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5894         macroize using X87MODEF macro.  Change predicates of op0 and op1
5895         to register_operand and remove "m" constraint.  Disparage "r"
5896         alternative with "!".
5897         (absneg splitter with memory operands): Remove.
5898         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5899         patterns and macroize using X87MODEF mode iterator.
5900         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5901         Change predicate of op1 to register_operand.
5902         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5903         for memory operands.
5904
5905 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5906
5907         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5908
5909 2008-01-07  Richard Guenther  <rguenther@suse.de>
5910
5911         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5912         fields.
5913
5914 2008-01-07  Richard Guenther  <rguenther@suse.de>
5915
5916         PR tree-optimization/34683
5917         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5918         VOPs of the needed size to save memory.  Use VEC_quick_push
5919         to save compile-time.
5920         (vdefs_to_vec): Likewise.
5921
5922 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5923
5924         * config/spu/spu.md (divdf3): Genetate inline code for double
5925         division.  The implementation doesn't handle INF or NAN, therefore it
5926         only applies when -ffinite-math-only is given.
5927
5928 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5929
5930         PR libstdc++/34680
5931         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5932         * doc/cpp.texi ([Common Predefined Macros]): Document.
5933
5934 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5935
5936         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5937         order to use commutative addition instead of subtraction.
5938
5939 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5940             Mircea Namolaru  <namolaru@il.ibm.com>
5941             Vladimir Yanovsky  <yanov@il.ibm.com>
5942             Revital Eres  <eres@il.ibm.com>
5943
5944         PR tree-optimization/34263
5945         * tree-outof-ssa.c (process_single_block_loop_latch,
5946         contains_tree_r): New functions.
5947         (analyze_edges_for_bb): Call process_single_block_loop_latch
5948         function to empty single-basic-block latch block if possible.
5949
5950 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5951
5952         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5953         for TARGET_RECIP.
5954         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5955
5956 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5957
5958         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5959
5960 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5961
5962         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5963
5964 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5965
5966         PR tree-optimization/34618
5967         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5968         flag from T.
5969
5970 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5971
5972         PR target/34673
5973         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5974         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5975         Update copyright year.
5976
5977         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5978         Update copyright year.
5979         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5980         using NR fixup.
5981
5982 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5983
5984         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5985         edge does not point to current bb before changing need_assert.
5986
5987 2008-01-04  Richard Guenther  <rguenther@suse.de>
5988
5989         PR middle-end/34029
5990         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5991         for verifying purposes if they are is_gimple_min_invariant.
5992
5993 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5994
5995         PR tree-optimization/34448
5996         PR tree-optimization/34465
5997         * gimplify.c (gimplify_init_constructor): Add new parameter
5998         notify_temp_creation.  Use it.
5999         (gimplify_modify_expr_rhs): Take volatiles into account when
6000         optimizing constructors.
6001         Do not optimize constructors if gimplify_init_constructor will dump to
6002         memory.
6003         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
6004         * gcc.c-torture/compile/pr34448.c: New.
6005
6006 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
6007
6008         PR gcov-profile/34609
6009         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
6010         return_slot if result is TREE_ADDRESSABLE.
6011
6012 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
6013
6014         * config/mips/mips.md (sqrt_condition): Tweak comment.
6015         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
6016
6017 2008-01-03  Tom Tromey  <tromey@redhat.com>
6018
6019         PR c/34457
6020         * c-common.c (c_type_hash): Handle VLAs.
6021
6022 2008-01-03  Jan Hubicka  <jh@suse.cz>
6023
6024         PR tree-optimization/31081
6025         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
6026         0 when inlining and not inlining to first basic block.
6027         (remap_decl): When var is initialized to 0, don't set default_def.
6028         (expand_call_inline): Set entry_bb.
6029         * tree-inline.h (copy_body_data): Add entry_bb.
6030
6031 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6032
6033         PR c++/34619
6034         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
6035         before returning.
6036
6037         PR tree-optimization/29484
6038         * tree-inline.c (inline_forbidden_p_2): New function.
6039         (inline_forbidden_p): Disallow inlining if some static var
6040         has an address of a local LABEL_DECL in its initializer.
6041         * doc/extend.texi (Labels as Values): Document &&foo behaviour
6042         vs. inlining.
6043
6044 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
6045
6046         PR tree-optimization/34635
6047         * tree-data-ref.c (add_other_self_distances): Make sure that the
6048         evolution step is constant.
6049
6050 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
6051
6052         PR middle-end/34608
6053         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
6054
6055 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
6056
6057         * tree-sra.c (scalarize_init): Insert the generate_element_init
6058         statements after the generate_element_zero statements.
6059
6060 2008-01-02  Richard Guenther  <rguenther@suse.de>
6061
6062         PR middle-end/34093
6063         PR middle-end/31976
6064         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
6065         for very large number of operands instead of ICEing.
6066
6067 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
6068
6069         PR target/34013
6070         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
6071         while stack probing.
6072
6073 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
6074
6075         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
6076         in C++0x mode.
6077
6078 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
6079
6080         PR libmudflap/26442
6081         * tree-mudflap.c (mx_register_decls): Guard warning by
6082         !DECL_ARTIFICIAL check.
6083
6084 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
6085
6086         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
6087         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
6088         sse5_perm<mode>): Fix constraints.