gcc/ChangeLog

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