gcc/ChangeLog

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