gcc/ChangeLog

   1 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
   2
   3         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
   4         calls to find_reg_note.
   5
   6 2005-02-24  Richard Henderson  <rth@redhat.com>
   7
   8         PR tree-opt/20127
   9         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
  10         the type.
  11
  12 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
  13
  14         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
  15         vector types if to use base reg for misaligned non-word ld/std.
  16
  17 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
  18
  19         PR target/14619
  20         * config/cris/cris.c (cris_target_asm_function_prologue): Create
  21         dwarf2 label manually and put it after, not before the prologue.
  22
  23 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
  24
  25         PR target/19019
  26         * reload.c (operands_match_p): Only increment register number for
  27         SCALAR_INT_MODE_P modes in multiple hard registers.
  28
  29         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
  30         Fix formatting.
  31
  32 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  33
  34         * ChangeLog.5: Fix log message typo(s).
  35         * ChangeLog.7: Likewise.
  36         * ChangeLog.tree-ssa: Likewise.
  37         * cfgexpand.c: Fix comment typo(s).
  38         * conflict.c: Likewise.
  39         * defaults.h: Likewise.
  40         * dwarf2out.c: Likewise.
  41         * gcse.c: Likewise.
  42         * ggc-page.c: Likewise.
  43         * tree-eh.c: Likewise.
  44         * tree-ssa-dom.c: Likewise.
  45
  46 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
  47
  48         PR target/19019
  49         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
  50         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
  51         if SHARED is defined.
  52
  53         PR target/20196
  54         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
  55         allow splitting only if operands 0 and 3 don't overlap.
  56
  57 2005-02-24  Richard Henderson  <rth@redhat.com>
  58
  59         PR middle-end/19953
  60         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
  61         (fold_builtin_1): Call them.
  62         * fold-const.c (fold_complex_mult_parts): Split out from ...
  63         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
  64         (fold_complex_div_parts, fold_complex_div): New.
  65         (fold): Use them.
  66         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
  67
  68 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
  69
  70         * tree-ssa-ccp.c (visit_assignment): Verify that result of
  71         VIEW_CONVERT_EXPR is_gimple_min_invariant.
  72
  73         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
  74         (print_node): Likewise.
  75         Print TYPE_SIZES_GIMPLIFIED.
  76
  77 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
  78
  79         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
  80         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
  81         operands as commutative in constraints.
  82
  83 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
  84
  85         * tree-into-ssa.c: Re-organize internal functions.
  86
  87 2005-02-24  Richard Henderson  <rth@redhat.com>
  88
  89         PR middle-end/18902
  90         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
  91         for c99.
  92         * common.opt (fcx-limited-range): New.
  93         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
  94         * toplev.c (flag_complex_method): Initialize to 1.
  95         (process_options): Set flag_complex_method to 0 if
  96         flag_cx_limited_range.
  97         * doc/invoke.texi (-fcx-limited-range): New.
  98
  99 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 100
 101         * cse.c (delete_trivially_dead_insns): Speed up by using
 102         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
 103         prev_real_insn.
 104
 105 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
 106
 107         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
 108         functions when -mid-shared-library is being used.
 109
 110 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 111
 112         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
 113         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
 114         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
 115         * system.h: Poison LINK_LIBGCC_SPECIAL.
 116
 117 2005-02-23  James E Wilson  <wilson@specifixinc.com>
 118
 119         * gengtype.c (note_insn_name): Make 1 element larger.
 120
 121 2005-02-23  Roger Sayle  <roger@eyesopen.com>
 122
 123         PR target/20018
 124         PR rtl-optimization/20097
 125         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
 126         BImode SUBREGs of SImode registers which confuse the ia64 backend.
 127
 128 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
 129
 130         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
 131         * t-aix52 (SHLIB_INSTALL): Same.
 132
 133 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
 134
 135         * genpreds.c: Update copyright.
 136
 137 2005-02-23  Michael Beach  <michaelb@ieee.org>
 138
 139         PR target/20159
 140         * config/sparc/t-elf (startup files): Assemble with CPP.
 141
 142 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
 143
 144         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
 145         (write_predicate_expr): Likewise.
 146
 147 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 148
 149         PR tree-optimization/20100
 150         PR tree-optimization/20115
 151         * tree-optimize.c (init_tree_optimization_passes): Remove
 152         pass_maybe_create_global_var.
 153         * tree-pass.h (pass_maybe_create_global_var): Remove.
 154         * tree-ssa-alias.c (aliases_computed_p): Declare.
 155         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
 156         (count_calls_and_maybe_create_global_var): Remove.
 157         (pass_maybe_create_global_var): Remove.
 158         (init_alias_info): Do not declare aliases_computed_p.
 159         (maybe_create_global_var): If the function contains no
 160         call-clobbered variables and a mix of pure/const and regular
 161         function calls, create .GLOBAL_VAR.
 162         Mark all call-clobbered variables for renaming.
 163         (merge_pointed_to_info): Update comment.
 164         (add_pointed_to_var): Likewise.
 165         (is_escape_site): Likewise.
 166         Accept struct alias_info * instead of size_t *.
 167         Update all users.
 168         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
 169         as necessary.
 170         * tree-ssa-operands.c (get_call_expr_operands): If
 171         ALIASES_COMPUTED_P is false, do not add call-clobbering
 172         operands.
 173         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
 174         (delete_tree_ssa): Likewise.
 175
 176 2005-02-22  James E Wilson  <wilson@specifixinc.com>
 177
 178         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
 179         (do_compile): Do call it here.
 180
 181 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 182
 183         PR rtl-optimization/20017.
 184         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
 185         rest_of_handle_cse2, rest_of_handle_gcse): Call
 186         delete_dead_jumptables immediately before calling cleanup_cfg.
 187
 188 2005-02-22  Devang Patel  <dpatel@apple.com>
 189
 190         PR 19952
 191         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
 192         all labels
 193
 194 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
 195
 196         * config/rs6000/aix.h (WINT_TYPE): Define.
 197
 198 2005-02-22  Stan Shebs  <shebs@apple.com>
 199
 200         * config/rs6000/rs6000.c (rs6000_override_options): Default to
 201         natural alignment for 64-bit Darwin.
 202         (rs6000_parse_alignment_option): Warn about uses of -malign-power
 203         on 64-bit Darwin.
 204         * doc/invoke.texi: Document this.
 205
 206 2005-02-22  DJ Delorie  <dj@redhat.com>
 207
 208         * c-common.c (c_common_type_for_mode): Pass the mode's precision
 209         to make_[un]signed_type, not the mode itself.
 210
 211 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 212
 213         * cfg.c (cached_make_edge): Call make_edge if edge cache is
 214         not available.  Use tail calls wherever possible.
 215         (make_edge): Call unchecked_make_edge to create an edge.
 216
 217         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
 218         (coalesce_ssa_name): Don't check for
 219         SSANORM_USE_COALESCE_LIST.
 220         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
 221
 222 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 223
 224         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
 225         (rewrite_into_ssa): ... here.
 226
 227 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
 228
 229         PR tree-optimization/19786
 230         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
 231         tag to another's may-alias bitmap when adding to the other's list.
 232
 233 2005-02-21  DJ Delorie  <dj@redhat.com>
 234
 235         * tree-ssa-loop-ivopts.c (computation_cost): Start register
 236         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
 237         registers in unsupported ways.
 238         * expmed.c (init_expmed): Likewise.
 239
 240 2005-02-21  Stan Cox  <scox@redhat.com>
 241
 242         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
 243
 244 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 245
 246         * tree-cfg.c (fold_cond_expr_cond): New.
 247         (make_edges): Call fold_cond_expr_cond.
 248         (find_taken_edge): Accept nothing but INTEGER_CST.
 249         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
 250         and 1.
 251         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
 252
 253         * flow.c (delete_dead_jumptables): Speed up by scanning insns
 254         that do not belong to any basic block.
 255
 256 2005-02-21  Jeff Law  <law@redhat.com>
 257
 258         * cfganal.c (find_unreachable_blocks): Manually CSE load of
 259         e->dest.
 260
 261 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 262
 263         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
 264         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
 265         Adjust their definitions.
 266         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
 267         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
 268
 269         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
 270         genautomata.c, langhooks.c, langhooks.h, system.h,
 271         config/arm/lib1funcs.asm: Update copyright.
 272
 273 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
 274
 275         * dbxout.c (dbxout_function_end): Emit Lscope label always.
 276
 277 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
 278
 279         PR bootstrap/13770
 280         * doc/install.texi: Document --with-gc.
 281
 282 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
 283
 284         * simplify-rtx.c (simplify_unary_operation): Add a missing
 285         "break" statement.
 286
 287 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 288
 289         PR tree-optimization/18663
 290         * tree-ssa-dom.c (extract_range_from_cond): Return 0
 291         if the type has variable bounds.
 292
 293 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
 294
 295         * gcse.c: Remove an obsolete comment.
 296
 297         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
 298
 299 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
 300
 301         * doc/extend.texi (Function Attributes) <Attribute const>: The
 302         attribute "pure" is below this text, not above.
 303
 304 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 305
 306         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
 307         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
 308         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
 309
 310 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
 311
 312         PR 18785
 313         * langhooks.h (struct lang_hooks): Add to_target_charset.
 314         * langhooks.c (lhd_to_target_charset): New function.
 315         * langhooks-def.h: Declare lhd_to_target_charset.
 316         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
 317         (LANG_HOOKS_INITIALIZER): Update.
 318         * c-common.c (c_common_to_target_charset): New function.
 319         * c-common.h: Declare it.
 320         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
 321         c_common_to_target_charset.
 322
 323         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
 324         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
 325         Delete definitions.
 326         * system.h: Poison them.
 327         * doc/tm.texi: Don't discuss them.
 328         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
 329         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
 330         (pp_c_char): Do not attempt to generate letter escapes for
 331         newline, tab, etc.
 332         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
 333         * config/mips/mips.c (mips_output_ascii): Likewise.
 334
 335 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
 336
 337         PR tree-optimization/19951
 338         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
 339         is abnormal.
 340
 341 2005-02-19  Steven Bosscher  <stevenb@suse.de>
 342
 343         PR middle-end/19698
 344         * function.h (struct function): New field `max_loop_depth'.
 345         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
 346         (flow_loops_find): Reset the max loop depth count before finding loops.
 347         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
 348         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
 349         (calculate_global_regs_live): Make sure the loop will terminate
 350         when the initial sets are not empty.
 351
 352 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
 353
 354         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
 355         object inside.
 356         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
 357
 358 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
 359
 360         PR other/19525
 361         * doc/invoke.texi: Remove documentation of %M spec.
 362         * gcc.c: Likewise.
 363         (init_spec): Remove %M suffix from -lgcc_s.
 364         (do_spec_1): Remove 'M' case.
 365         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
 366         to put shared libraries in the multilib directory.  Remove the
 367         shlib_so_soname substitution variable.  Don't add a multilib encoding
 368         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
 369         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
 370         SHLIB_INSTALL as well as SHLIB_LINK.
 371         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
 372         (SHLIB_NAME): Delete.
 373         (SHLIB_DIR): New macro.
 374         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
 375         (SHLIB_INSTALL): Adjust accordingly.
 376         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
 377         * config/t-slibgcc-sld: Likewise.
 378         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
 379         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
 380         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
 381         in $(SHLIB_DIR).
 382         (SHLIBUNWIND_INSTALL): Adjust accordingly.
 383         * config/i386/t-nwld (SHLIB_SONAME): Delete.
 384         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
 385         Use @shlib_base_name@ instead of @shlib_so_name@.
 386         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
 387         and @shlib_base_name@.so in @multilib_dir@.
 388         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
 389         to the install path.
 390         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
 391         (SHLIB_LINK): Remove previous workaround.
 392         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
 393         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
 394         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
 395         the install path.
 396         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
 397         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
 398         (SHLIB_INSTALL): Adjust accordingly.
 399         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
 400         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
 401         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
 402         config/t-slibgcc-elf-ver.
 403
 404 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
 405             Jakub Jelinek  <jakub@redhat.com>
 406
 407         PR tree-optimization/19828
 408         * tree-ssa-loop-im.c: Add a TODO comment.
 409         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
 410         without side-effects.
 411
 412 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
 413
 414         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
 415         call fold_convert.
 416
 417 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
 418
 419         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
 420         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
 421         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
 422         functions.
 423         (ia64_reorg): Delete fixup_errata call.
 424         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
 425         (TARGET_SWITCHES): Delete -mb-step entry.
 426
 427 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
 428
 429         PR c/20043
 430         * c-typeck.c (composite_type): Handle quals in transparent unions.
 431         (type_lists_compatible_p): Likewise.
 432
 433 2005-02-18  Stan Shebs  <shebs@apple.com>
 434
 435         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
 436         expressions in the .literal8 section.
 437
 438 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
 439
 440         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
 441
 442 2005-02-18  Roger Sayle  <roger@eyesopen.com>
 443
 444         * fold-const.c (constant_boolean_node): Always create values of the
 445         specified type, don't bother calling truthvalue_conversion.
 446
 447 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 448
 449         * except.c (output_function_exception_table): Call
 450         assemble_external_libcall (eh_personality_libfunc).
 451
 452 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 453
 454         PR target/19886
 455         * config/ia64/ia64.h (struct machine_function): Add state_num.
 456         * config/ia64/ia64.c (process_epilogue,
 457         process_for_unwind_directive): Use new unwind state numbers each
 458         time rather than state 1.
 459
 460 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
 461
 462         PR target/20054
 463         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
 464         before the "*llgt_didi" pattern.
 465
 466 2005-02-18  Jason Merrill  <jason@redhat.com>
 467
 468         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
 469
 470 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
 471
 472         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
 473         (div0): Use it in place of ARM_FUNC_ALIAS.
 474         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
 475
 476 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
 477
 478         PR middle-end/20030
 479         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
 480         access, the lower bound of the array type if it exists.
 481
 482 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
 483
 484         PR c++/20008
 485         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
 486         cases that are out-of-range for the index type.
 487
 488 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
 489
 490         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
 491         (estimate_case_costs): Don't call convert.
 492         * expmed.c (expand_shift): Likewise.
 493         (make_tree): Call fold_convert instead of convert.
 494
 495 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
 496
 497         PR c++/19813
 498         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
 499         that ref to be marked MEM_READONLY_P doesn't have base that needs
 500         constructing.
 501
 502 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 503
 504         * genautomata.c (output_get_cpu_unit_code_func,
 505         output_cpu_unit_reservation_p): Don't generate old-style function
 506         definitions.
 507
 508 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
 509
 510         PR c++/20023
 511         PR tree-optimization/20009
 512         * convert.c (convert_to_integer): Revert 2005-02-16 change.
 513
 514         PR tree-optimization/18947
 515         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
 516         inline, remove all nodes that are inlined into the extern inline
 517         being redefined.
 518
 519 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
 520
 521         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
 522         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
 523         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
 524         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
 525         Update copyright.
 526
 527 2005-02-17  Roger Sayle  <roger@eyesopen.com>
 528
 529         PR tree-optimization/19917
 530         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
 531         to be potentially trapping.
 532
 533 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
 534
 535         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
 536
 537 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 538
 539         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
 540         tem becomes a local variable which is set to the value of the
 541         back end defined INITIAL_FRAME_ADDRESS macro.
 542         (expand_builtin_frame_address): Omit the base parameter to
 543         expand_builtin_return_addr.
 544         (expand_builtin_profile_func): Likewise.
 545         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
 546         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
 547         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
 548
 549 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
 550
 551         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
 552         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
 553         * config/frv/frv.c (frv_function_epilogue): Likewise.
 554
 555 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
 556
 557         * lambda-code (perfect_nestify): Remove mark/unmark
 558         for rewriting hack.
 559         * tree-loop-linear.c (linear_transform_loops): Add
 560         rewrite_into_ssa call so that ssa is correct for
 561         rewriting into loop closed.
 562
 563 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
 564
 565         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
 566         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
 567         BITMAP_FREE.
 568         * bt-load.c (btr_def_live_range, combine_btr_defs,
 569         migrate_btr_def, migrate_btr_defs): Likewise.
 570         * cfgcleanup.c (thread_jump): Likewise.
 571         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
 572         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
 573         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
 574         df_rd_local_compute, df_reg_info_compute): Likewise.
 575         * dominance.c (init_dom_info, free_dom_info): Likewise.
 576         * flow.c (init_propagate_block_info,
 577         free_propagate_block_info): Likewise.
 578         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
 579         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
 580         modify_reg_pav): Likewise.
 581         * loop-invariant.c (find_defs, find_invariant_insn,
 582         find_invariants, free_inv_motion_data): Likewise.
 583         * predict.c (tree_predict_by_opcode,
 584         estimate_bb_frequencies): Likewise.
 585         * stmt.c (expand_case): Likewise.
 586         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
 587         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
 588         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
 589         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
 590         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
 591         rewrite_ssa_into_ssa): Likewise.
 592         * tree-optimize.c (tree_rest_of_compilation): Likewise.
 593         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
 594         analyze_edges_for_bb, perform_edge_inserts): Likewise.
 595         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
 596         * tree-sra.c (tree_sra): Likewise.
 597         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
 598         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
 599         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
 600         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
 601         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
 602         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
 603         Likewise.
 604         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
 605         calculate_live_on_entry, calculate_live_on_exit,
 606         build_tree_conflict_graph): Likewise.
 607         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
 608         record_important_candidates, set_use_iv_cost, find_depends,
 609         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
 610         tree_ssa_iv_optimize_finalize): Likewise.
 611         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
 612         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
 613         tree_duplicate_loop_to_header_edge): Likewise.
 614         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
 615         * tree-ssa.c (verify_flow_insensitive_alias_info,
 616         verify_name_tags, verify_ssa, init_tree_ssa,
 617         delete_tree_ssa): Likewise.
 618         * tree-ssanames.c (marked_ssa_names, init_ssanames,
 619         fini_ssanames): Likewise.
 620         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
 621
 622 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
 623
 624         * config/rs6000/t-rtems: Completely reworked.
 625
 626 2005-02-17  Ira Rosen  <irar@il.ibm.com>
 627
 628         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
 629
 630 2005-02-17  Ira Rosen  <irar@il.ibm.com>
 631
 632         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
 633         POINTER_TYPE_P when checking that type is a pointer.
 634         (vect_get_memtag): Remove.
 635         (vect_address_analysis): Use POINTER_TYPE_P. Call
 636         vect_object_analysis with dummy parameter for memtag.
 637         (vect_object_analysis): Extract memtag (functionality that
 638         used to be in vect_get_memtag and moved here). Fix printings.
 639         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
 640         with correct parameters. Remove call to vect_get_memtag.
 641
 642 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
 643
 644         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
 645         (tree-vectorizer.o): Added missing dependencies.
 646
 647         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
 648         decleration.
 649         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
 650         declaration in tree-vectorizer.c, now has an extern declaration in
 651         tree-vectorizer.h).
 652         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 653         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
 654         get_vectype_for_scalar_type, vect_is_simple_use,
 655         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
 656         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
 657         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
 658         vectorizable_store, vectorizable_operation, vectorizable_assignment,
 659         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
 660         find_loop_location): Likewise.
 661
 662         * tree-vectorizer.c (langhooks.h): #include removed.
 663         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
 664         moved to tree-vectorized.h.
 665         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 666         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
 667         get_vectype_for_scalar_type, vect_is_simple_use,
 668         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
 669         vect_supportable_dr_alignment, new_loop_vec_info,
 670         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
 671         vect_set_verbosity_level, find_loop_location): Likewise.
 672
 673         (vect_analyze_loop): Function externalized. Declaration moved to
 674         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
 675         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
 676         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
 677         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
 678         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
 679         vect_enhance_data_refs_alignment, vect_analyze_operations,
 680         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
 681         vect_stmt_relevant_p, vect_get_loop_niters,
 682         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
 683         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
 684         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
 685         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
 686         vect_get_memtag): Likewise.
 687
 688         (vectorizable_load): Function externalized. Declaration moved to
 689         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
 690         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
 691         vect_transform_loop): Likewise.
 692         (vect_transform_stmt): Moved to tree-vect-transform.c.
 693         (vect_align_data_ref, vect_create_destination_var,
 694         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
 695         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
 696         vect_get_vec_def_for_operand, vect_init_vector,
 697         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
 698         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
 699         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
 700         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
 701         vect_do_peeling_for_loop_bound): Likewise.
 702
 703         * tree-vect-analyze.c: New file.
 704         * tree-vect-transform.c: New file.
 705
 706 2005-02-17  Jason Merrill  <jason@redhat.com>
 707
 708         PR mudflap/19319, c++/19317
 709         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
 710         slot explicit.
 711
 712 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
 713
 714         * doc/install.texi (Specific): Update link for Darwin-specific
 715         tool binary site.
 716
 717 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
 718
 719         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
 720         constant_boolean_node.
 721
 722 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
 723
 724         PR target/19019
 725         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
 726         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
 727
 728 2005-02-16  Richard Henderson  <rth@redhat.com>
 729
 730         PR 19920
 731         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
 732         with W_TYPE_SIZE.
 733         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
 734         replace uses with Wtype_MAXp1_F.
 735         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
 736         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
 737         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
 738         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
 739         and HAVE_TFMODE as appropriate.
 740         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
 741         (__floatdisf): Likewise.
 742         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
 743         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
 744         (Wtype_MAXp1_F): New.
 745         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
 746         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
 747
 748 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
 749
 750         * PR target/19162
 751         * arm.c (arm_apply_result_size): New function.
 752         * arm.h (APPLY_RESULT_SIZE): Define.
 753         * arm-protos.h (arm_apply_result_size): Add prototype.
 754         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
 755         (movxf): New expand.
 756         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
 757         (call_value_symbol): Remove predicate for operand 0.
 758         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
 759         (untyped_call): Rework to correclty return values for any type.
 760         (untyped_return): New expand.
 761         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
 762
 763 2005-02-16  Stan Shebs  <shebs@apple.com>
 764
 765         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
 766         * config/rs6000/t-darwin8: New, for 64-bit multilib.
 767
 768 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
 769
 770         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
 771         configure settings on Solaris 7 and later.
 772
 773 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
 774
 775         PR tree-optimization/19865
 776         * tree-optimize.c (init_tree_optimization_passes): Run
 777         pass_may_alias after pass_sra.
 778
 779 2005-02-16  Richard Henderson  <rth@redhat.com>
 780             Stuart Hastings  <stuart@apple.com>
 781
 782         PR debug/19521
 783         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
 784         Do nothing if debug info suppressed for this function.
 785         (dbxout_begin_function): Early exit if debug info suppressed for
 786         this function.
 787
 788 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
 789
 790         PR target/20007
 791         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
 792         find_basic_blocks.
 793         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
 794
 795         PR tree-optimization/19967
 796         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
 797         expand_builtin_strchr, expand_builtin_strrchr): Take a new
 798         argument TYPE.  Adjust calls to fold_builtin_XXX.
 799         (expand_builtin, fold_builtin_1): Adjust calls to
 800         expand_builtin_XXX.
 801         (fold_builtin_strchr, fold_builtin_strpbrk,
 802         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
 803         result to a requested type TYPE.
 804
 805 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
 806
 807         PR middle-end/19857
 808         * fold-const.c (fold): Don't optimize (T)(x & cst) to
 809         (T)x & (T)cst if (T)cst overflows.
 810         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
 811         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
 812
 813 2005-02-15  Jeff Law  <law@redhat.com>
 814
 815         * gcse.c (blocks_with_calls): New bitmap.
 816         (alloc_gcse_mem): Allocate it.
 817         (free_gcse_mem): Free it.
 818         (clear_modifY_mem_tables): Clear it.
 819         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
 820         when we encounter CALL_INSNs.
 821         (compute_transp, case MEM): Handle blocks with calls separate
 822         from blocks without calls.  Use bitmap iterators rather than
 823         FOR_EACH_BB.
 824
 825 2005-02-15  Peter O'Gorman  <peter@pogma.com>
 826
 827         PR bootstrap/18810
 828         * mklibgcc.in (vis_hide): Use a temporary object file, not
 829         -o /dev/null.
 830
 831 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
 832
 833         PR target/19924
 834         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
 835         access optimization.
 836
 837 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
 838             Alan Modra  <amodra@bigpond.net.au>
 839
 840         PR target/19019
 841         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
 842         (_xlqsub): Rename to __gcc_qsub.
 843         (_xlqmul): Rename to __gcc_qmul.
 844         (_xlqdiv): Rename to __gcc_qdiv.
 845         Provide versioned symbol aliases with old names.
 846         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
 847         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
 848         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
 849         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
 850         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
 851
 852 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
 853
 854         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
 855         Fold ~(A - 1) and ~(A + -1) to -A.
 856
 857 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
 858
 859         PR pch/14940
 860         PR target/19300
 861         * config/host-linux.c (linux_gt_pch_use_address): Copy from
 862         config/pa/pa-host.c:pa_gt_pch_use_address.
 863
 864 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
 865
 866         * tree-vn.c (get_value_handle): Make sure that given an
 867         is_gimple_min_invariant expression, we always return it.
 868
 869 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
 870
 871         * passes.c (rest_of_handle_gcse): Fix a comment.
 872
 873 2005-02-15  Jeff Law  <law@redhat.com>
 874
 875         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
 876         bitmap.
 877         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
 878         (canon_list_insert, record_last_mem_set_info): Similarly.
 879         (clear_modify_mem_tables): Similarly.
 880
 881 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
 882
 883         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
 884         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
 885         config/mips/mips.md, config/rs6000/aix.h,
 886         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
 887
 888 2005-02-15  Richard Henderson  <rth@redhat.com>
 889
 890         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
 891         call to be best_edge.
 892
 893 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
 894
 895         * basic-block.h: Adjust the prototype for find_basic_blocks.
 896         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
 897         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
 898         find_basic_blocks.
 899
 900         * flow.c (recompute_reg_usage): Remove all arguments.
 901         * passes.c (rest_of_compilation): Adjust the call to
 902         recompute_reg_usage.
 903         * rtl.h: Adjust the prototype for recompute_reg_usage.
 904
 905 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
 906
 907         * tree-dump.c (dump_files): Update to reflect new member
 908         of dump_file_info.
 909         (dump_register): Add new argument.
 910         Set glob name.
 911         (dump_switch_p_1): Check against glob name if doglob was passed.
 912         (dump_switch_p): Check against regular first, then glob if
 913         we didn't have any hits on the dump name.
 914         * tree-optimize.c (register_one_dump_file):
 915         Pass in glob name as well.
 916         * tree-pass.h (struct dump_file_info): Add glob
 917         member.
 918
 919 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
 920
 921         PR preprocessor/16323
 922         * doc/invoke.texi: Document that -Wendif-labels is on by default.
 923
 924 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
 925
 926         PR target/19019
 927         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
 928         (trunctfdf2_internal1): New.
 929         (trunctfdf2_internal2): Renamed from trunctfdf2.
 930
 931 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
 932
 933         PR tree-optimization/19853
 934         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
 935
 936 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
 937
 938         * passes.c (rest_of_handle_loop_optimize): Remove calls to
 939         delete_dead_jumptables and cleanup_cfg.
 940
 941 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
 942
 943         * reload.c (find_reloads): Swap address_reloaded flags when
 944         swapping commutative operands.
 945
 946 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
 947
 948         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
 949         Use standard_iv_increment_position for computing the bsi position
 950         for create_iv.
 951         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
 952         the bsi position.
 953
 954 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
 955
 956         PR target/17428
 957         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
 958         life range of hard registers.
 959         * value-prof.c (insn_prefetch_values_to_profile): Only
 960         scan normal insns.
 961
 962         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
 963         profile in libcalls.
 964
 965 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
 966
 967         * bitmap.h (bitmap_and_compl_into): Return bool.
 968         * bitmap.c (bitmap_and_compl_into): Return changed flag.
 969
 970 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
 971
 972         PR tree-optimization/19944
 973         * fold-const.c (fold): Re-add ABS_EXPR folding.
 974
 975 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
 976
 977         PR target/19019
 978         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
 979         {TARGET,MASK}_XL_COMPAT.
 980         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
 981         MASK_XL_COMPAT.
 982         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
 983         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
 984         TARGET_XL_COMPAT.
 985         (rs6000_arg_partial_bytes): Same.
 986         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
 987         and XL compatibility enabled.
 988         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
 989         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
 990         test to final condition.
 991         (cmptf_internal2): New.
 992         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
 993         xl-compat.  Add TFmode information to description.
 994
 995 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
 996
 997         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
 998
 999 2005-02-13  Jason Merrill  <jason@redhat.com>
1000
1001         PR c++/16405
1002         * fold-const.c (fold_indirect_ref_1): Split out from...
1003         (build_fold_indirect_ref): Here.
1004         (fold_indirect_ref): New fn.
1005         * tree.h: Declare it.
1006         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1007         (gimplify_modify_expr_rhs): Likewise.
1008         (gimplify_expr): Likewise.
1009
1010 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1011
1012         PR tree-optimization/14303
1013         PR tree-optimization/15784
1014         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1015         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1016         ABS_EXPR<x> != 0 to x != 0.
1017
1018 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1019
1020         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1021         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1022         spelling conventions.
1023
1024         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1025         delete_trivially_dead_insns too many times.
1026
1027         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1028         tem and tem2.
1029
1030 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1031
1032         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1033         (vect_is_simple_iv_evolution): Remove redundant parameter
1034         and step check.
1035         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1036         without last parameter.
1037         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1038         Return pointer step. Call vect_is_simple_iv_evolution without
1039         last parameter. Check only that the step is multiple of size
1040         type. Remove stmt_vinfo updates.
1041         (vect_get_memtag_and_dr): Remove.
1042         (vect_get_memtag): New function.
1043         (vect_address_analysis): New function.
1044         (vect_object_analysis): New function.
1045         (vect_analyze_data_refs): Call vect_object_analysis and
1046         vect_get_memtag. Update stmt_vinfo fields.
1047
1048 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1049
1050         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1051         exist and are objects. Remove checks for pointer.
1052         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1053         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1054         (vect_create_data_ref_ptr): Likewise.
1055         (vect_base_addr_differ_p): New function.
1056         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1057         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1058         Don't set the DR_BASE_NAME field of data-ref.
1059         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1060
1061 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1062
1063         * optabs.h (enum optab_index): Add new OTI_ldexp.
1064         (ldexp_optab): Define corresponding macro.
1065         * optabs.c (init_optabs): Initialize ldexp_optab.
1066         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1067         patterns.
1068         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1069         using ldexp_optab.
1070         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1071         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1072
1073         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1074         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1075         intrinsics.
1076
1077 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1078
1079         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1080         to base_address.
1081         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1082         stmt_vec_info.
1083         (vect_get_base_and_offset): Always return an address.
1084         (vect_create_addr_base_for_vector_ref): Remove treatment for
1085         different data reference types.
1086         (vect_compute_data_ref_alignment): Rename base to base_address in
1087         stmt_vec_info. Get the object in order to force its alignment.
1088         (vect_get_memtag_and_dr): Rename base to base_address in
1089         stmt_vec_info. Extract the object for memtag analysis.
1090
1091 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1092
1093         PR regression/19898.
1094         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1095         changes cc_status, use apply modified_in_p to part of cc_status
1096         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1097         body.
1098
1099 2005-02-11  Richard Henderson  <rth@redhat.com>
1100
1101         * tree-complex.c (expand_complex_libcall): New.
1102         (expand_complex_multiplication): Use it for c99 compliance.
1103         (expand_complex_division): Likewise.
1104         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1105         (fold): Call them.
1106         * builtins.c (built_in_names): Remove const.
1107         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1108         builtins.
1109         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1110         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1111         (built_in_names): Remove const.
1112         * c-common.c (c_common_type_for_mode): Handle complex modes.
1113         * flags.h, toplev.c (flag_complex_method): Rename from
1114         flag_complex_divide_method.
1115         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1116         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1117         * libgcc2.h: Declare them.
1118         * libgcc-std.ver: Export them.
1119         * mklibgcc.in (lib2funcs): Build them.
1120
1121 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1122
1123         PR tree-optimization/19876
1124         Partially revert my change from 2005-01-14
1125         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1126         (compute_antic): ...and remove the loop here.
1127
1128 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR middle-end/19858
1131         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1132         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1133
1134         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1135         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1136
1137 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1138
1139         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1140         offsets for the big-endian 32-bit case.
1141
1142 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1143
1144         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1145
1146 2005-02-11  Dale Johannesen  <dalej@apple.com>
1147
1148         * cselib.c (cselib_process_insn):  Clear out regs where
1149         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1150         * reload.c (find_equiv_reg): Ditto.
1151
1152 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1153
1154         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1155         with no elements.
1156
1157         * tree.c (build_function_type_list): Work correctly if there are
1158         no arguments.
1159
1160 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1161
1162         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1163         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1164         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1165         TARGET_ZARCH instead of TARGET_64BIT.
1166
1167 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1168
1169         * config/rs6000/t-rtems:
1170         (MULTILIB_OPTIONS): Remove mcpu=602.
1171         (MUTLILIB_DIRNAMES): Remove m602.
1172         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1173         Let mcpu=602 match mcpu=603.
1174         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1175
1176 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1177
1178         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1179         signal trampolines.
1180
1181 2005-02-10  David Daney  <ddaney@avtrex.com>
1182
1183         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1184         * config/i386/linux-unwind.h: Likewise.
1185         * config/ia64/linux-unwind.h: Likewise.
1186         * config/mips/linux-unwind.h: Likewise.
1187         * config/pa/linux-unwind.h: Likewise.
1188         * config/rs6000/linux-unwind.h: Likewise.
1189         * config/s390/linux-unwind.h: Likewise.
1190         * config/sh/linux-unwind.h: Likewise.
1191         * config/sparc/linux-unwind.h: Likewise.
1192
1193 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1194
1195         PR tree-optimization/17549
1196         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1197         TER to replace a DEF with its expression if the DEF and the
1198         rhs of the expression we replace into have the same root
1199         variable.
1200
1201 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1202
1203         * config/mips/mips.md: Fix the placement of the match_scratch in the
1204         lea64 peephole2.
1205
1206 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1207
1208         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1209         Fix comment typos.
1210
1211 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1212
1213         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1214         (strip_offset): Handle addresses.
1215         (add_address_candidates): Use strip_offset.
1216         (difference_cost): Reflect strip_offset change.
1217         (force_var_cost, difference_cost): Strip nops.
1218
1219 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1220
1221         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1222
1223         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1224         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1225         config/cris/cris-protos.h, config/cris/cris.c: Update
1226         copyright.
1227
1228 2005-02-10  Jeff Law  <law@redhat.com>
1229
1230         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1231         (lookup_avail_expr): Similarly.
1232
1233 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1234
1235         * builtins.c (fold_builtin_powi): New function.
1236         (fold_builtin_1): Call it.
1237
1238 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1239
1240         PR documentation/19309
1241         * doc/cpp.texi: The __GNUC__ and related predefined macros
1242         are also defined for the "standalone" cpp.
1243         Some non-GCC compilers may also define __GNUC__.
1244
1245 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1246
1247         PR c/19342
1248         * c-typeck.c (common_type): New routine.  Old common_type renamed
1249         to...
1250         (c_common_type): ...this.
1251         (build_conditional_expr, build_binary_op): Use c_common_type instead
1252         of common_type.
1253
1254 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1255
1256         * doc/md.texi: Replace @samp{length} with @code{length}.
1257
1258 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1259
1260         PR tree-optimization/18687
1261         * tree-flow.h (find_loop_niter): Declare.
1262         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1263         Try using scev even for loops with more than one exit.
1264         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1265         (struct ivopts_data): Added niters field.
1266         (struct nfe_cache_elt): New.
1267         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1268         functions.
1269         (tree_ssa_iv_optimize_init): Initialize niters cache.
1270         (determine_number_of_iterations): Removed.
1271         (find_induction_variables): Do not call determine_number_of_iterations.
1272         Access niters for single exit through niter_for_single_dom_exit.
1273         (add_iv_outer_candidates): Access niters for single exit through
1274         niter_for_single_dom_exit.
1275         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1276         number_of_iterations_cond.
1277         (iv_period): New function.
1278         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1279         (may_replace_final_value): Take data argument.  Use
1280         niter_for_single_dom_exit.
1281         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1282         (rewrite_use_compare): Pass data to may_eliminate_iv.
1283         (rewrite_use_outer): Pass data to may_replace_final_value.
1284         (free_loop_data): Clean up the niters cache.
1285         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1286         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1287         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1288         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1289         (num_ending_zeros): Moved to tree.c.
1290         * tree.h (num_ending_zeros): Declare.
1291         * tree.c (num_ending_zeros): Moved from tree.c.
1292
1293 2005-02-09  Richard Henderson  <rth@redhat.com>
1294
1295         * builtins.c (DEF_BUILTIN): Add COND argument.
1296         * tree.h (DEF_BUILTIN): Likewise.
1297         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1298         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1299         match.
1300         (DEF_BUILTIN_STUB): New.
1301         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1302         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1303         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1304         * c-common.c (DEF_BUILTIN): Add COND argument.
1305         * tree.c (local_define_builtin): New.
1306         (build_common_builtin_nodes): New.
1307
1308 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1309
1310         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1311         floating point expression ignoring the sign of the result.
1312         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1313         (fold) <MULT_EXPR>: Use it to simplify x*x.
1314         * tree.h (fold_strip_sign_ops): Prototype here.
1315         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1316         argument.  Use fold_strip_sign_ops to simplify the first argument.
1317         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1318         first argument when the second argument is an even integer
1319         constant, but only with -funsafe_math_optimizations.
1320         (fold_builtin_1): Update call to fold_builtin_copysign.
1321
1322 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1323
1324         PR middle-end/19583
1325         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1326         just check whether EH_FILTER_FAILURE falls through.
1327
1328 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1329
1330         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1331         insns return to ready list in the next turn.
1332
1333 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1334
1335         PR middle-end/19402
1336         * builtins.def: New __builtin_powi[lf].
1337         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1338         (expand_builtin_powi): New function.
1339         (expand_builtin): Dispatch to expand_builtin_powi.
1340         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1341         * libgcc2.c: Add __builtin_powi[lf] implementation.
1342         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1343         * optabs.h: Add powi_optab.
1344         * optabs.c (init_optabs): Initialize powi_optab.
1345         * doc/extend.texi: Document __builtin_powi[lf].
1346
1347 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1348
1349         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1350         exists.
1351
1352 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1353
1354         PR middle-end/19854
1355         * fold-const.c (try_move_mult_to_index): Remove redundant
1356         type argument.  Create ADDR_EXPR with correct type.
1357         (fold): Update callers of try_move_mult_to_index.  Convert
1358         result to the appropriate type.
1359
1360 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1361
1362         PR target/19597
1363         * config/avr/avr.c (default_rtx_costs): Delete.
1364         (avr_operand_rtx_cost): New function.
1365         (avr_rtx_costs): Completely rewrite.
1366
1367 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1368
1369         PR target/19806
1370         * config/cris/cris.c (in_code): New variable.
1371         (cris_output_addr_const): Now a static function, a wrapper for
1372         output_addr_const.
1373         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1374         case from old cris_output_addr_const.
1375         (cris_asm_output_label_ref): Similar for LABEL_REF.
1376         (cris_output_addr_const_extra): Similar for UNSPEC.
1377         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1378         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1379         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1380         declaration.
1381         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1382         (cris_asm_output_label_ref): Declare.
1383
1384 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1385
1386         PR preprocessor/19801
1387         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1388         filenames that changed when libcpp was moved to the toplevel.
1389
1390 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1391
1392         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1393         zero extensions of BImode operands.  Call lowpart_subreg instead
1394         of gen_lowpart_common and gen_lowpart_SUBREG.
1395
1396 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1397
1398         PR ada/19489
1399         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1400         * configure.ac: Set cc_for_cross_gnattools.
1401         * configure: Regenerate.
1402
1403 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1404
1405         PR target/19803
1406         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1407
1408 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1409
1410         PR debug/19327
1411         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1412         of nested functions.
1413
1414 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1415
1416         * doc/extend.texi: Document deprecated extensions allowing
1417         static floating-point members to have initializers and allowing
1418         floating-point literals in integral constant expressions.
1419
1420 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1421
1422         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1423         config/darwin7.h, config/mips/mips.c,
1424         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1425         Update copyright.
1426
1427         * cse.c: Update comments.
1428
1429 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1430
1431         PR middle-end/19775
1432         * builtins.c (fold_builtin_sqrt): Transform
1433         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1434         pow(x,y*0.5).
1435
1436 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1437             Dorit Naishlos  <dorit@il.ibm.com>
1438
1439         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1440         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1441         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1442         was added.
1443         * tree.h (vect_set_verbosity_level): New extern function declaration
1444         added.
1445         * tree-vectorizer.h (verbosity_levels): New enum type.
1446         * tree-vectorizer.c (vect_debug_stats): Function removed.
1447         (vect_debug_details): Likewise.
1448         (vect_verbosity_level): Global variable was defined and initialized.
1449         (vect_dump): Global variable definition.
1450         (vect_print_dump_info): New function.
1451         (vect_set_dump_settings): New function.
1452         (vect_set_verbosity_level): New function.
1453         (vectorize_loops): Add call to vect_set_dump_settings.
1454
1455         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
1456         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1457         (slpeel_tree_peel_loop_to_edge): Likewise.
1458
1459         (vect_analyze_offset_expr): Call to vect_print_dump_info with
1460         appropriate verbosity level instead of call to vect_debug_details
1461         or vect_debug_stats.
1462         (vect_get_base_and_offset):
1463         (vect_create_addr_base_for_vector_ref):
1464         (get_vectype_for_scalar_type):
1465         (vect_create_data_ref_ptr):
1466         (vect_init_vector):
1467         (vect_get_vec_def_for_operand):
1468         (vect_finish_stmt_generation):
1469         (vectorizable_assignment):
1470         (vectorizable_operation):
1471         (vectorizable_store):
1472         (vectorizable_load):
1473         (vect_transform_stmt):
1474         (vect_update_ivs_after_vectorizer):
1475         (vect_do_peeling_for_loop_bound):
1476         (vect_update_inits_of_drs):
1477         (vect_do_peeling_for_alignment):
1478         (vect_transform_loop):
1479         (vect_is_simple_use):
1480         (vect_analyze_operations):
1481         (vect_is_simple_iv_evolution):
1482         (vect_analyze_scalar_cycles):
1483         (vect_analyze_data_ref_dependence):
1484         (vect_analyze_data_ref_dependences):
1485         (vect_compute_data_ref_alignment):
1486         (vect_enhance_data_refs_alignment):
1487         (vect_analyze_data_refs_alignment):
1488         (vect_analyze_data_ref_access):
1489         (vect_analyze_data_ref_accesses):
1490         (vect_analyze_pointer_ref_access):
1491         (vect_get_memtag_and_dr):
1492         (vect_analyze_data_refs):
1493         (vect_mark_relevant):
1494         (vect_stmt_relevant_p):
1495         (vect_mark_stmts_to_be_vectorized):
1496         (vect_can_advance_ivs_p):
1497         (vect_get_loop_niters):
1498         (vect_analyze_loop_form):
1499         (vect_analyze_loop):
1500         (vectorize_loops): Likewise.
1501
1502         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
1503         (vect_update_inits_of_drs):
1504         (vect_do_peeling_for_alignment):
1505         (vect_transform_loop):
1506         (vect_analyze_operations):
1507         (vect_analyze_scalar_cycles):
1508         (vect_analyze_data_ref_dependences):
1509         (vect_analyze_data_refs_alignment):
1510         (vect_analyze_data_ref_accesses):
1511         (vect_analyze_data_refs):
1512         (vect_mark_stmts_to_be_vectorized):
1513         (vect_get_loop_niters):
1514         (vect_analyze_loop_form):
1515         (vect_analyze_loop): Likewise.
1516         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
1517
1518 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
1519
1520         PR bootstrap/19796
1521         Revert:
1522         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
1523         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
1524         either -ffast-math or -funsafe-math-optimizations is in use.
1525
1526         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
1527         * config/mips/irix-csr.c: New file.
1528         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
1529         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
1530         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
1531         executables.
1532
1533 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
1534
1535         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
1536         redundant, incorrect definitions.
1537
1538         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
1539         expand.
1540         ("*tls_indirect_call"): New, reference hard regs directly.
1541         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
1542
1543 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1544
1545         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
1546         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
1547
1548 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1549
1550         PR rtl-optimization/19800
1551         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
1552         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
1553         gen_lowpart.
1554
1555 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
1556
1557         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
1558
1559 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
1560
1561         PR other/17135
1562         * doc/invoke.texi: Correct documentation of -freorder-functions.
1563
1564 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1565
1566         PR other/14402
1567         * doc/invoke.texi: Don't mention gccbug.
1568
1569 2005-02-06  Roger Sayle  <roger@eyesopen.com>
1570             Andrew Pinski  <pinskia@physics.uc.edu>
1571             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
1572
1573         * simplify-rtx.c (simplify_relational_operation_1): Simplify
1574         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
1575         into just (zero_extract:SI FOO (const_int 1) BAR).
1576
1577 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1578
1579         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
1580         macro locally.  Don't give last revision date.  Use GCC version
1581         number from gcc-common.texi.
1582         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
1583         revision date.  Use GCC version number from gcc-common.texi.
1584         Describe being a library as current state rather than as 3.x
1585         history.
1586         * doc/gcc.texi: Remove last update date.
1587         * doc/gccint.texi: Likewise.  Update copyright dates.
1588         * doc/install.texi: Update copyright dates.
1589
1590 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
1591
1592         PR other/7549
1593         * doc/invoke.texi: Mention for each option included in -Wall that
1594         it is included in -Wall.
1595         * doc/gcc.texi: Update copyright and last modification date.
1596
1597 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1598
1599         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
1600         unnecessary cast to original induction variable increments.
1601
1602 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
1603
1604         PR tree-optimization/18219
1605         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
1606         in distributed form.
1607
1608 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
1609
1610         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
1611         Set bitpos and offset later in the function.  Do nothing if the
1612         target is a register and if the bitfield lies completely outside
1613         that register.
1614         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
1615         here.  Return an uninitialised register if the source value is stored
1616         in a register and the bitfield lies completely outside that register.
1617
1618 2005-02-06  Steven Bosscher  <stevenb@suse.de>
1619
1620         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
1621         not SET_DEST.
1622
1623 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
1624
1625         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
1626
1627 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
1628
1629         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
1630         * config/darwin8.h: New.
1631         * config/darwin7.h: Update comment.
1632
1633 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1634             Dorit Naishlos  <dorit@il.ibm.com>
1635
1636         * tree-vectorizer.h (LOC): New type.
1637         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
1638         (loop_line_number): New field in struct _loop_vec_info.
1639         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
1640
1641         * tree-vectorizer.c (input.h): Included.
1642         (find_loop_location): New function.
1643         (vect_debug_stats): Argument changed from loop to LOC. Computation of
1644         loop line number removed.
1645         (vect_debug_details): Likewise.
1646         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
1647
1648         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
1649         call to vect_debug_details/stats changed from loop to loop_loc.
1650         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
1651         (slpeel_tree_peel_loop_to_edge): Likewise.
1652
1653         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
1654         changed from NULL to UNKNOWN_LOC.
1655         (vect_get_base_and_offset):
1656         (vect_create_addr_base_for_vector_ref):
1657         (get_vectype_for_scalar_type):
1658         (vect_create_data_ref_ptr):
1659         (vect_init_vector):
1660         (vect_get_vec_def_for_operand):
1661         (vect_finish_stmt_generation):
1662         (vectorizable_assignment):
1663         (vectorizable_operation):
1664         (vectorizable_store):
1665         (vectorizable_load):
1666         (vect_transform_stmt):
1667         (vect_update_ivs_after_vectorizer):
1668         (vect_do_peeling_for_loop_bound):
1669         (vect_do_peeling_for_alignment):
1670         (vect_transform_loop):
1671         (vect_is_simple_use):
1672         (vect_analyze_operations):
1673         (vect_is_simple_iv_evolution):
1674         (vect_analyze_scalar_cycles):
1675         (vect_analyze_data_ref_dependences):
1676         (vect_compute_data_ref_alignment):
1677         (vect_enhance_data_refs_alignment):
1678         (vect_analyze_data_ref_access):
1679         (vect_analyze_data_ref_accesses):
1680         (vect_analyze_pointer_ref_access):
1681         (vect_get_memtag_and_dr):
1682         (vect_analyze_data_refs):
1683         (vect_mark_relevant):
1684         (vect_stmt_relevant_p):
1685         (vect_mark_stmts_to_be_vectorized):
1686         (vect_can_advance_ivs_p):
1687         (vect_get_loop_niters):
1688         (vect_analyze_loop):
1689         (vectorize_loops): Likewise.
1690
1691         (vectorizable_load): Argument in call to vect_debug_details/stats
1692         changed from loop to LOOP_LOC (loop_vinfo).
1693         (vect_transform_loop):
1694         (vect_analyze_operations):
1695         (vect_analyze_scalar_cycles):
1696         (vect_analyze_data_ref_dependence):
1697         (vect_enhance_data_refs_alignment):
1698         (vect_analyze_data_ref_accesses):
1699         (vect_analyze_pointer_ref_access):
1700         (vect_analyze_data_refs):
1701         (vect_analyze_loop): Likewise.
1702
1703         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
1704         changed from loop to loop_loc.
1705
1706         (vect_enhance_data_refs_alignment): Removed unused variable loop.
1707
1708 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
1709             Dorit Naishlos  <dorit@il.ibm.com>
1710
1711         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
1712         declaration added.
1713         (vect_analyze_data_ref_dependences): Likewise.
1714
1715         (vect_is_simple_use): Argument changed from loop structure to
1716         loop_vect_info structure.
1717         (vect_can_advance_ivs_p): Likewise.
1718         (vect_create_index_for_vector_ref): Likewise.
1719         (vect_update_ivs_after_vectorizer): Likewise.
1720         (new_stmt_vec_info): Likewise.
1721
1722         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
1723         changed from loop to loop_vinfo.
1724         (vect_create_data_ref_ptr): First argument in call to
1725         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
1726         (vectorizable_assignment): Second argument in call to vect_is_simple_use
1727         was changed from loop to loop_vinfo.
1728         (vectorizable_operation): Likewise.
1729         (vectorizable_store): Likewise.
1730         (vect_mark_stmts_to_be_vectorized): Likewise.
1731         (vect_do_peeling_for_loop_bound): First argument in call to
1732         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
1733         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
1734         was changed from loop to loop_vinfo.
1735         (vect_analyze_data_ref_dependences): Third argument in call to
1736         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
1737
1738         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
1739         (vect_create_data_ref_ptr): Likewise.
1740         (vect_init_vector): Likewise.
1741         (vect_get_vec_def_for_operand): Likewise.
1742         (vectorizable_assignment): Likewise.
1743         (vectorizable_operation): Likewise.
1744         (vectorizable_store): Likewise.
1745         (vectorizable_load): Likewise.
1746         (vect_update_ivs_after_vectorizer): Likewise.
1747         (vect_is_simple_use): Likewise.
1748         (vect_analyze_data_ref_dependence): Likewise.
1749         (vect_analyze_pointer_ref_access): Likewise.
1750         (vect_can_advance_ivs_p): Likewise.
1751
1752         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
1753         before _stmt_vec_info.
1754         (_stmt_vec_info): Loop field replaced by loop_vec_info.
1755         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
1756         (new_stmt_vec_info): Argument changed from loop structure to
1757         loop_vect_info structure
1758
1759         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
1760         (vect_analyze_offset_expr): Avoid 80 columns overflow.
1761         (vect_create_addr_base_for_vector_ref): Likewise.
1762         (vect_analyze_pointer_ref_access): Likewise.
1763
1764 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1765
1766         PR tree-opt/19768
1767         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
1768         phi flag if the phi is abnormal.
1769
1770 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
1771
1772         PR tree-opt/19736
1773         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
1774         information for the new statement.
1775
1776 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1777
1778         PR driver/19117
1779         * gcc.c (main): Include the target in -v output.
1780
1781 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
1782
1783         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
1784         Do not drop the extend if we'd have to add a paradoxical subreg
1785         later.  Include optabs.h and insn-codes.h.
1786         * Makefile.in (combine.o): Depend on $(OPTABS_H).
1787
1788 2005-02-02  Roger Sayle  <roger@eyesopen.com>
1789
1790         PR middle-end/19405
1791         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
1792         * fold-const.c (const_binop): Avoid constant folding floating
1793         point operations in modes that use composite representations.
1794         * simplify-rtx.c (simplify_binary_operation): Likewise.
1795
1796 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
1797
1798         * config/rs6000/altivec.md (altivec_dst): Make the first operand
1799         a REG, not a MEM.
1800         (altivec_dstt): Likewise.
1801         (altivec_dstst): Likewise.
1802         (altivec_dststt): Likewise.
1803         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
1804         of first operand.
1805
1806 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1807
1808         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
1809         EXPR_LOCUS from orig_cond to the new cond_stmt.
1810         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
1811         the new vec_stmt.
1812
1813 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1814
1815         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
1816         standard_iv_increment_position. Remove call to bsi_next
1817         (no need to bump the iterator anymore).
1818         (vect_create_index_for_vector_ref): Call
1819         standard_iv_increment_position. Remove second function argument.
1820         (vect_finish_stmt_generation): Remove call to bsi_next
1821         (no need to bump the iterator anymore).
1822         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
1823         to vect_create_index_for_vector_ref.
1824
1825 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
1826
1827         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
1828         phis are used out of the loop.
1829
1830 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
1831
1832         PR c/17807
1833         * c-decl.c (undef_nested_function): New variable.
1834         (pop_scope): Diagnose undefined nested functions.
1835         (finish_function): Don't attempt cgraph processing or genericizing
1836         if current top-level function contained an undefined nested
1837         function.  Reset undef_nested_function at the end of a top-level
1838         function.
1839
1840 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
1841
1842         * tree.c (build_int_cst_type): Take sign of the value into account
1843         when deciding whether sign extend the value.
1844
1845 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1846
1847         PR c/18502
1848         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
1849         (cpp_options, cc1_options): Change %{std*&ansi} to
1850         %{std*&ansi&trigraphs}.
1851
1852 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1853
1854         * cse.c: Update comments.
1855
1856 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
1857
1858         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
1859         arguments go on the stack.  Do not put complex doubles in odd/even
1860         pairs.
1861
1862 2005-02-02  Steven Bosscher  <stevenb@suse.de>
1863
1864         * doc/invoke.texi: Update the options enabled at -O1, -O2,
1865         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
1866         -ftree-pre, and -fthread-jumps.
1867
1868 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
1869
1870         PR tree-optimization/19578
1871         * tree-flow.h (modified_noreturn_calls): Declare.
1872         (noreturn_call_p): Declare.
1873         * tree-flow-inline.h (noreturn_call_p): New function.
1874         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
1875         * tree-cfg.c (modified_noreturn_calls): New variable.
1876         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
1877         that contain a mid-block noreturn call.
1878         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
1879
1880 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
1881
1882         * df.c (df_def_record_1, df_uses_record): Don't use
1883         DF_FOR_REGALLOC.
1884         * df.h (DF_FOR_REGALLOC): Remove.
1885
1886 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1887
1888         PR c/19435
1889         * c-typeck.c (really_start_incremental_init): Reset
1890         constructor_max_index for arrays of incomplete type.
1891
1892 2005-02-02  Jeff Law  <law@redhat.com>
1893
1894         * gcse.c (struct reg_set): Store the block index where the register
1895         was set rather than the setting insn.
1896         (record_one_set, compute_transp): Corresponding changes.
1897         (pre_insert_copy_insn): Do not call replace_one_set.
1898         (replace_one_set): Remove.
1899
1900 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
1901
1902         PR other/15514
1903         * doc/gcov.texi: Fix typo.
1904
1905 2005-02-01  Richard Henderson  <rth@redhat.com
1906
1907         PR target/19680
1908         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
1909         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
1910         type to bool.
1911         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
1912         * config/i386/i386-protos.h: Update.
1913
1914 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1915
1916         PR tree-optimization/19217
1917         * tree-cfg.c (verify_expr): Use the data field to see if TP was
1918         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
1919         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
1920         that it is walking a PHI node.
1921
1922 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
1923
1924         * doc/extend.texi (Nested Functions): Update.
1925
1926 2005-02-01  Richard Henderson  <rth@redhat.com>
1927
1928         PR 19696
1929         * optabs.c (expand_copysign_absneg): Export.
1930         * optabs.h (expand_copysign_absneg): Declare.
1931         * config/rs6000/rs6000.md (copysigntf3): New.
1932
1933 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1934
1935         PR tree-optimization/19633
1936         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
1937         * tree-ssa-alias.c (init_alias_info): Initialize.
1938         (merge_pointed_to_info): Set.
1939         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
1940         (dump_points_to_info_for): Show value of pt_null.
1941         (struct count_ptr_d): Declare.
1942         (find_ptr_dereference): Remove.
1943         (ptr_is_dereferenced_by): Remove.
1944         (count_ptr_derefs): New local function.
1945         (count_uses_and_derefs): New local function.
1946         (compute_points_to_and_addr_escape): Call it.  If the number
1947         of dereferences is greater than zero, mark the pointer as
1948         dereferenced.  If there are fewer dereferences than uses of
1949         the pointer, the pointer's value escapes.
1950
1951 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
1952
1953         PR tree-optimization/19670
1954         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
1955         here...
1956         (verify_use): ... set it here, instead.
1957
1958 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
1959
1960         * doc/sourcebuild.texi (Test directives): Fix formatting.
1961
1962         * doc/sourcebuild.texi (Test directives): Describe selector
1963         expressions.
1964
1965 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
1966
1967         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
1968         specific 64-bit CPUs.
1969
1970 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
1971
1972         PR target/16201
1973         * arm.c (arm_eliminable_register): New function.
1974         (adjacent_mem_locations): Don't allow eliminable registers.  Use
1975         HOST_WIDE_INT for address offsets.
1976         * arm-protos.h (arm_eliminable_register): Add prototype.
1977
1978 2005-02-01  Steven Bosscher  <stevenb@suse.de>
1979
1980         PR optimization/15242
1981         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
1982         * basic-block.h (duplicate_computed_gotos): Add prototype.
1983         * bb-reorder.c (duplicate_computed_gotos): New function to
1984         duplicate sufficiently small blocks ending in a computed jump.
1985         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
1986         if not optimizing for size.
1987         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
1988         never do tail merging for blocks ending in a computed jump.
1989         * doc/invoke.texi: Document the max-goto-duplication-insns param.
1990
1991 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
1992
1993         Patch from Richard Sandiford <rsandifo@redhat.com>
1994         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
1995         from inheriting a subreg equivalence with a non-spill register.
1996
1997         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
1998
1999 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2000
2001         * config/frv/frv.c (movcc_fp_destination_operand): New.
2002         (gpr_or_memory_operand): Fix typo in comment.
2003         (gpr_or_memory_operand_with_scratch): New.
2004         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2005         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2006         movcc_fp_destination_operand.
2007         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2008         Legitimize memory addresses using a scratch register.
2009
2010 2005-01-31  Jeff Law  <law@redhat.com>
2011
2012         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2013         bitmap a sparse bitmap instead of a simple bitmap.
2014         (mark_def_sites_initialize_block):  Corresponding changes.
2015         (ssa_mark_def_sites_initialize_block): Likewise.
2016         (ssa_mark_phi_uses): Likewise.
2017         (mark_def_site, ssa_mark_def_sites): Likewise.
2018         (mark_def_site_blocks): Likewise.
2019         (rewrite_ssa_into_ssa): Likewise.
2020
2021         * tree-ssa-dom.c (record_cond): Pass correct variable type
2022         for last argument to htab_find_slot_with_hash.
2023
2024         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2025         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2026
2027 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2028
2029         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2030         1_mmalua.
2031
2032 2005-02-01  Eric Christopher  <echristo@redhat.com>
2033
2034         * config/mips/mips.c (override_options): Warn if -mint64
2035         is used.
2036         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2037         deprecated.
2038
2039 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2040
2041         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2042         timestamp.
2043         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2044         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2045         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2046         (cached_regno): Initialize to INVALID_REGNUM.
2047         (cse_reg_info_table_size,
2048         cse_reg_info_table_first_uninitialized,
2049         cse_reg_info_timestamp): New.
2050         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2051         get_cse_reg_info.
2052         (init_cse_reg_info, get_cse_reg_info_1): New.
2053         (get_cse_reg_info): Cache the last look-up.
2054         (new_basic_block): Update the code to clear mappings from
2055         registers to cse_reg_info entries.
2056         (cse_main): Call init_cse_reg_info.
2057
2058         * cse.c (get_cse_reg_info): Update a comment.
2059
2060 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2061
2062         PR c/19333
2063         * c-decl.c (start_decl): Do not warn about arrays of elements with
2064         an incomplete type here.
2065         (grokdeclarator): Do it here by making a pedwarn an error.
2066         * c-typeck.c (push_init_level): If there were previous errors with
2067         the constructor type, do not warn about braces for initializers.
2068         (process_init_element): Likewise for excess initializer elements.
2069
2070 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2071
2072         * cse.c (delete_trivially_dead_insn): Don't iterate.
2073
2074 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2075
2076         * config/rs6000/rs6000.md (copysignsf3): New expand.
2077         (copysigndf3): Likewise.
2078
2079 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2080
2081         * recog.c (constrain_operands): Only look for earlyclobber operand
2082         conflicts if an '&' constraint was seen.
2083
2084 2005-01-31  Marc Espie <espie@openbsd.org>
2085
2086         * config.gcc: Don't include embedded systems fragment, switches default
2087         debugging format to ELF.
2088         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2089         longer pick it up there.
2090
2091 2005-01-31  Dale Johannesen  <dalej@apple.com>
2092
2093         * doc/extend.texi (nested functions): Fix linkage description.
2094         Clarify that static is not allowed.
2095
2096 2005-01-31  Dale Johannesen  <dalej@apple.com>
2097
2098         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2099         (movdf_low_di):  Make work.
2100
2101 2005-01-31  Dale Johannesen  <dalej@apple.com>
2102
2103         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2104         Make work for 64 bit.
2105
2106 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2107             Dale Johannesen  <dalej@apple.com>
2108
2109         PR middle-end/19650
2110         * fold-const.c (fold_binary_op_with_conditional_arg):
2111         Make types match original operands, before STRIP_NOPS.
2112
2113 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2114
2115         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2116         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2117         (struct gcc_sigcontext): Delete.  Merge contents to..
2118         (struct gcc_ucontext): ..here.
2119         (get_sigcontext): Delete.
2120         (get_regs): New function, like get_sigcontext but return regs ptr.
2121         64-bit version finds regs from r1 to support vdso.
2122         (ppc_linux_aux_vector): New function.
2123         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2124         and vector regs.
2125
2126 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2127
2128         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2129         sizetype.
2130         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2131         redundant fold. Fix misalignment for MINUS_EXPR.
2132         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2133         (vect_analyze_pointer_ref_access): Likewise.
2134         (vect_get_memtag_and_dr): Likewise.
2135
2136 2005-01-31  Richard Henderson  <rth@redhat.com>
2137
2138         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2139         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2140         absnegdf2_i387, absnegxf2_i387): Likewise.
2141
2142 2005-01-31  Richard Henderson  <rth@redhat.com>
2143
2144         PR 19696
2145         * optabs.c (expand_copysign_absneg): New.
2146         (expand_copysign_bit): Split out from ...
2147         (expand_copysign): ... here.  Use expand_copysign_absneg.
2148
2149 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2150
2151         PR middle-end/19697
2152         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2153         constant as the second operand and a register as the third.
2154
2155 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2156
2157         PR target/19704
2158         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2159         that dllimport'd functions do not use all call-clobbered registers
2160         to pass parameters.
2161
2162 2005-01-30  Richard Henderson  <rth@redhat.com>
2163
2164         PR 19696
2165         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2166         expand_abs_nojump and generalize.  Use operand_subword and
2167         emit_no_conflict_block.  Support large modes.
2168         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2169         back to maximum.
2170         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2171         negation to subtraction.
2172         (expand_copysign): Check that the format has signed zeros.
2173         Use operand_subword and emit_no_conflict_block.  Support large modes.
2174
2175 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2176
2177         Fix PR tree-optimization/19624
2178
2179         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2180         * tree-ssa-pre.c: Add cfgloop.h.
2181         Update comment.
2182         (pre_stats): New member, constified.
2183         (inserted_exprs): New static variable.
2184         (NECESSARY): New macro.
2185         (create_expression_by_pieces): Fold the expression, and
2186         mark it as defaulting to not necessary. Also put in
2187         inserted_exprs.
2188         (fully_constant_expression): New function.
2189         (insert_into_preds_of_block): Modify to not insert phis when we
2190         are playing with induction variables.
2191         Push phis onto the inserted_exprs vector, and mark them as not
2192         necessary by default.
2193         (insert_aux): Call fully_constant_expression on eprime.
2194         If all edges produce the same value, mark it constant.
2195         (mark_operand_necessary): New function.
2196         (remove_dead_inserted_code): New function.
2197         (init_pre): Init loop optimizer to get loop info.
2198         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2199         (execute_pre): Commit edge inserts, then remove dead code.
2200
2201 2005-01-30  Richard Henderson  <rth@redhat.com>
2202
2203         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2204         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2205
2206 2005-01-30  Richard Henderson  <rth@redhat.com>
2207
2208         PR target/19700
2209         * config/i386/i386.c (ix86_expand_copysign): New.
2210         (ix86_split_copysign_const): New.
2211         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2212         rearrange op1/nmask operands.
2213         * config/i386/i386-protos.h: Update.
2214         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2215         (copysigndf3): Likewise.
2216         (copysignsf3_const, copysigndf3_const): New.
2217         (copysignsf3_var): Rename from copysignsf3, split out splitter
2218         and fix split predicate for X constraint.
2219         (copysigndf3_var): Similarly.
2220
2221 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2222
2223         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2224         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2225         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2226
2227 2005-01-29  Richard Henderson  <rth@redhat.com>
2228
2229         PR target/19690
2230         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2231         of # and * in constraints.
2232
2233 2005-01-29  Richard Henderson  <rth@redhat.com>
2234
2235         PR middle-end/19689
2236         * expr.c (store_field): Don't strip sub-mode cast when the input
2237         data is even smaller.
2238
2239 2005-01-29  Richard Henderson  <rth@redhat.com>
2240
2241         PR middle-end/19687
2242         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2243         union being empty.
2244
2245 2005-01-29  Richard Henderson  <rth@redhat.com>
2246
2247         * combine.c (make_field_assignment): Fix argument order
2248         to gen_int_mode.
2249
2250 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2251
2252         PR tree-optimization/15791
2253         * fold-const.c (extract_array_ref): New function.
2254         (fold): Fold comparisons between &a[i] and &a[j] or
2255         semantically equivalent trees.
2256
2257 2005-01-29  Jeff Law  <law@redhat.com>
2258
2259         * gcse.c (insert_expr_in_table): Revamp handling of available
2260         and anticipatable occurrence lists to avoid unnecessary list
2261         walking.
2262         (insert_set_in_table): Similarly.
2263
2264 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2265
2266         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2267         build string type.
2268         (c_build_qualified_type): Build qualified array types with
2269         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2270         * c-decl.c (c_make_fname_decl): Build unqualified array type
2271         before qualified type.
2272         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2273         type is qualified, not just if type itself is.  Don't apply
2274         qualifiers to array type when declarator is processed.  Apply
2275         qualifiers to field type whether or not it is an array type.
2276         Don't handle array types specially for applying qualifiers to
2277         variables.
2278         * c-typeck.c (composite_type): Build unqualified element type and
2279         array type when forming composite of array types.
2280         (common_pointer_type, comptypes, comp_target_types,
2281         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2282         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2283         types.
2284         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2285         (args2) in variables a1 and a2.
2286
2287 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2288
2289         * cse.c (n_elements_made, max_elements_made): Remove.
2290         (insert): Don't touch n_elements_made.
2291         (cse_main): Don't touch n_elements_made or max_elements_made.
2292
2293 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2294
2295         PR target/15384
2296         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2297         configuration part of dp-bit.c to be lost.
2298
2299 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2300
2301         * expmed.c (expand_mult_highpart_optab): When attempting to use
2302         a non-widening multiplication in a wider mode, the operands need
2303         to be converted (zero or sign extended) to that mode.
2304
2305 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2306
2307         PR middle-end/16558
2308         PR middle-end/19583
2309         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2310         through if both operands fall through.
2311
2312 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2313
2314         * cse.c (fold_rtx) <PC>: Don't optimize.
2315
2316 2005-01-28  Jeff Law  <law@redhat.com>
2317
2318         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2319         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2320
2321 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2322
2323         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2324         cse_reg_info_used_list_end): Remove.
2325         (cse_reg_info_list, cse_reg_info_list_free): New.
2326         (get_cse_reg_info): When allocating an instance of
2327         cse_reg_info, add it to the beginning of the cse_reg_info_list
2328         list.  Remove code to maintain cse_reg_info_used_list.
2329         (new_basic_block): Reset the free list to the beginning of
2330         cse_reg_info_list.
2331
2332 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2333
2334         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2335         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2336         (frv_expand_mdpackh_builtin): New function.
2337         (frv_expand_builtin): Use it to expand __MDPACKH.
2338         * doc/extend.texi (__MDPACKH): Update documentation.
2339
2340 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2341
2342         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2343         SSE_FLOAT_MODE_P for use_sse computation.
2344
2345 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2346
2347         PR target/19663
2348         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2349
2350 2005-01-27  Richard Henderson  <rth@redhat.com>
2351
2352         * builtins.c (expand_builtin_copysign): New.
2353         (expand_builtin): Call it.
2354         * genopinit.c (optabs): Add copysign_optab.
2355         * optabs.c (init_optabs): Initialize it.
2356         (expand_copysign): New.
2357         * optabs.h (OTI_copysign, copysign_optab): New.
2358         (expand_copysign): Declare.
2359
2360         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2361         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2362
2363         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2364         (ix86_expand_fp_absneg_operator): ... here.
2365         (ix86_split_copysign): New.
2366         * config/i386/i386-protos.h: Update.
2367         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2368         (copysignsf3, copysigndf3): New.
2369
2370         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2371         (copysignsf3, ncopysignsf3): New.
2372         (copysigndf3, ncopysigndf3): New.
2373         (copysignxf3, ncopysignxf3): New.
2374         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2375
2376 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2377             Kazu Hirata  <kazu@cs.umass.edu>
2378
2379         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2380         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2381         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2382         NULL_RTX.
2383
2384 2005-01-27  Jeff Law  <law@redhat.com>
2385
2386         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2387         definitions of SSA_NAMEs which are not being rewritten.
2388         (rewrite_ssa_into_ssa): Only initialize the current definition
2389         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2390         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2391         SSA_NAMEs before returning.
2392
2393 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2394
2395         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2396         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2397         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2398         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2399         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2400
2401 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2402
2403         PR middle-end/17278
2404         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2405         higher to -O2 and higher.  Likewise for tree PRE.
2406         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2407         and better.
2408
2409 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2410
2411         PR middle-end/19583
2412         * gimple-low.c (try_catch_may_fallthru): New static function.
2413         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2414         * tree-inline.c (expand_call_inline): Don't warn about reaching
2415         the end of a non-void function being inlined if the function uses
2416         a return slot.
2417
2418 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2419
2420         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2421
2422         PR c/18946
2423         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2424         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2425         (implicitly_declare): Handle error_mark_node.
2426
2427 2005-01-27  Richard Henderson  <rth@redhat.com>
2428
2429         PR tree-opt/14329
2430         * tree.h (struct tree_decl): Add debug_expr_is_from.
2431         (DECL_DEBUG_EXPR_IS_FROM): New.
2432         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2433         * dwarf2out.c (dwarf2out_var_location): Update to match.
2434         * tree-outof-ssa.c (create_temp): Likewise.
2435         * var-tracking.c (track_expr_p): Likewise.
2436         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2437         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2438         * toplev.c (default_tree_printer): Likewise.
2439
2440 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2441
2442         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2443         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2444
2445 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2446
2447         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2448         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2449         ASM_CLOBBERS): Add tree checks.
2450
2451         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
2452         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
2453         * c-common.def (SWITCH_STMT): Update to match.
2454         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
2455         macros instead of SWITCH_EXPR ones.
2456         * c-dump.c (c_dump_tree): Likewise.
2457         * c-gimplify.c (gimplify_switch_stmt): Likewise.
2458         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
2459
2460         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
2461
2462 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
2463
2464         * unwind-dw2.c (execute_stack_op): Add missing cases for
2465         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
2466
2467 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
2468
2469         * config.gcc (Obsolete configurations): Remove 'dummy', add
2470         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
2471         sparc-*-openbsd*.
2472
2473 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
2474
2475         PR tree-optimization/19633
2476         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
2477         CALL_EXPRs.
2478         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
2479         are no call-clobbered variables.
2480         * tree-outof-ssa.c (check_replaceable): Return false for calls
2481         with side-effects.
2482
2483 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
2484
2485         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
2486         even for variables with NULL DECL_INITIAL.
2487
2488 2005-01-26  Stuart Hastings  <stuart@apple.com>
2489
2490         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
2491
2492 2005-01-26  Richard Henderson  <rth@redhat.com>
2493
2494         PR middle-end/18008
2495         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2496         field's type.
2497         * expr.c (store_field): Strip conversions to odd-bit-sized types
2498         if the destination field width matches.
2499
2500 2005-01-26  Richard Henderson  <rth@redhat.com>
2501
2502         * c-decl.c, expmed.c, expr.c: Revert last change.
2503
2504 2005-01-26  Richard Henderson  <rth@redhat.com>
2505
2506         PR middle-end/18008
2507         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
2508         field's type.
2509         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
2510         if we don't need the bits above those present in the current mode.
2511         * expr.c (store_field): Strip conversions to odd-bit-sized types
2512         if the destination field width matches.
2513
2514 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2515
2516         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2517         either -ffast-math or -funsafe-math-optimizations is in use.
2518
2519 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2520
2521         PR target/19293
2522         PR target/19329
2523         * config/avr/avr.c (notice_update_cc): Only set condition code for
2524         ashrqi3 if shift count > 0.
2525         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
2526         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
2527         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
2528         count <= 0 as a no-op, and shift count >= width by copying zero
2529         or sign bit to all bits of the result.
2530         * config/avr/avr.md (all shifts): Add alternatives for zero shift
2531         count, with attribute "length" set to 0 and "cc" set to "none".
2532
2533 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2534
2535         * doc/invoke.texi: Document -mTLS.
2536
2537         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
2538         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
2539         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
2540         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
2541         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
2542         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
2543         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
2544         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
2545
2546         * configure.ac: Check for a TLS capable gas.
2547
2548         * configure: Regenerate.
2549
2550 2005-01-26  Richard Henderson  <rth@redhat.com>
2551
2552         PR middle-end/18008
2553         * combine.c (make_field_assignment): Simplify store to zero_extract
2554         from a source with an overlapping mask.
2555
2556 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
2557
2558         2004-11-11  Eric Christopher  <echristo@redhat.com>
2559
2560         * config/frv/frv.md: Add fr400_integer automaton. Don't
2561         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
2562         to TYPE_MACC.
2563
2564 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2565
2566         PR middle-end/16585
2567         * cfgbuild.c (make_edges): Do not clear or set
2568         current_function_has_computed_jump.
2569         * function.h (struct function): Remove the has_computed_jump field.
2570         (current_function_has_computed_jump): Do not define.
2571         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
2572         in a computed jump.  Ignore current_function_has_computed_jump.
2573
2574 2005-01-26  Richard Henderson  <rth@redhat.com>
2575
2576         PR middle-end/19515
2577         * expr.c (categorize_ctor_elements): New argument p_must_clear.
2578         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
2579         fully initialized.
2580         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
2581         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
2582         objects into static storage if they have more than one non-zero value.
2583         * tree.h (categorize_ctor_elements): Update decl.
2584
2585 2005-01-26  Steven Bosscher  <stevenb@suse.de>
2586
2587         PR middle-end/19616
2588         * tree.h (CALL_EXPR_TAILCALL): Add comment.
2589         * calls.c (check_sibcall_argument_overlap_1): Revert the change
2590         to this function from 2004-07-10.
2591         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
2592         the current function for tail call optimizations if the address
2593         of one of it its arguments is taken.
2594
2595 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
2596
2597         * cse.c (fold_rtx): Call equiv_constant only when necessary.
2598
2599 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2600
2601         * function.c (expand_function_end): If current_function_calls_alloca,
2602         emit stack restore in a place that is reached when the function falls
2603         through at the end.
2604
2605 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
2606
2607         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
2608         rule to avoid matching inappropriate suffix rule.
2609
2610 2005-01-26  Jan Hubicka  <jh@suse.cz>
2611
2612         PR tree-optimization/19241
2613         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
2614
2615 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2616
2617         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
2618         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
2619         of doubling.
2620         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
2621         <sim*>: Always use crt1.o, regardless of N in simN.
2622         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2623         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
2624         (CRT_CALL_STATIC_FUNCTION): Remove.
2625         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
2626         use crt1.o, regardless of N in simN.
2627         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
2628         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
2629         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
2630         case isystem setting.
2631         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
2632
2633 2005-01-25  Ian Lance Taylor  <ian@airs.com>
2634
2635         * gimple-low.c (block_may_fallthru): Correct handling of
2636         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
2637
2638 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
2639
2640         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
2641         handlers to match indentation; nested under the mtune=* handler.
2642         Similar for mcpu= and march=.
2643
2644 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
2645
2646         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
2647         * config/mips/linux64.h (LIB_SPEC): Likewise.
2648         * config/mn10300/linux.h (LIB_SPEC): Likewise.
2649         * config/sh/linux.h (LIB_SPEC): Likewise.
2650
2651 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
2652
2653         * config/frv/frv.c (frv_legitimize_tls_address): New.
2654         (TARGET_HAVE_TLS): Define.
2655         (FRV_SYMBOL_REF_TLS_P): Define.
2656         (frv_override_options): Handle new register classes.
2657         (frv_legitimate_address_p): Reject tls addresses.
2658         (frv_legitimize_address): Handle TLS addresses.
2659         (gen_inlined_tls_plt): New.
2660         (gen_tlsmoff): New.
2661         (frv_legitimize_tls_address): New.
2662         (unspec_got_name): Add TLS entries.
2663         (got12_operand): Add R_FRV_TLSMOFF12 case.
2664         (frv_emit_move): Fixup TLS addresses.
2665         (frv_emit_movsi): Legitimize TLS addresses.
2666
2667         * config/frv/frv.h (MASK_BIG_TLS): New.
2668         (TARGET_BIG_TLS): New.
2669         (HAVE_AS_TLS): Define.
2670         (TARGET_SWITCHES): Add -mTLS and -mtls options.
2671         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
2672         (REG_CLASS_NAMES): Same.
2673         (REG_CLASS_CONTENTS): Same.
2674         (CONSTRAINT_LEN): New.
2675         (REG_CLASS_FROM_CONSTRAINT): New.
2676         (PREDICATE_CODES): Add symbolic_operand.
2677
2678         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
2679         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
2680         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
2681         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
2682         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
2683         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
2684         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
2685         GR9_REG, GR14_REG, LRREG.
2686         (type): Add load_or_call attribute.
2687         ("load_or_call"): New reservation.
2688         ("call_gettlsoff"): New.
2689         ("tls_indirect_call"): New.
2690         ("tls_load_gottlsoff12"): New.
2691         ("tlsoff_hilo"): New.
2692         ("tls_tlsdesc_ldd"): New.
2693         ("tls_tlsoff_ld"): New.
2694         ("tls_lddi"): New.
2695
2696         * config/frv/frv-protos.h (symbolic_operand): Protoize.
2697
2698         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
2699
2700         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
2701         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
2702         * config/frv/frv.c (TLS_BIAS): Define.
2703         (frv_output_dwarf_dtprel): New.
2704
2705 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR rtl-optimization/19579
2708         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
2709         both A and B, see if they don't clobber registers the other expr uses.
2710
2711 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
2712
2713         * real.c (do_add): Initialize signalling and canonical members.
2714
2715         * real.c (real_from_integer): Zero out destination.
2716
2717 2005-01-18  Jan Hubicka  <jh@suse.cz>
2718
2719         PR tree-optimize/19337
2720         * tree-inline.c (initialize_inlined_parameters): Copy
2721         saved_static_chain_decl only.
2722
2723 2005-01-25  Richard Henderson  <rth@redhat.com>
2724
2725         PR target/19556
2726         PR target/19584
2727         * config/i386/i386.c (x86_inter_unit_moves): Zero.
2728         (ix86_preferred_reload_class): Rewrite fp-constant section, with
2729         80387 enabled, to return a proper subclass.  Return the subset that
2730         overlaps with GENERAL_REGS for PLUS.
2731         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
2732
2733 2005-01-25  Richard Henderson  <rth@redhat.com>
2734
2735         PR middle-end/19609
2736         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
2737
2738 2005-01-25  Roger Sayle  <roger@eyesopen.com>
2739
2740         * expmed.c (choose_multiplier): Change interface to return the
2741         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
2742         (expand_divmod): Update calls to choose_multiplier.
2743
2744 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2745
2746         PR middle-end/19330
2747         * expmed.c (extract_bit_field): Use adjust_address instead of
2748         gen_lowpart when op0 is a MEM.
2749
2750 2005-01-24  Steven Bosscher  <stevenb@suse.de>
2751
2752         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
2753
2754 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2755
2756         * config/mips/irix-csr.c: New file.
2757         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2758         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2759         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2760         executables.
2761
2762 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
2763
2764         PR bootstrap/19364
2765         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
2766         sparc/elf.h, add sparc/sp-elf.h.
2767         (sparc-*-rtems*): Likewise.
2768         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
2769         tm-dwarf2.h, add sparc/sp-elf.h.
2770         (sparc86x-*-elf): Likewise.
2771         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
2772         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
2773         TARGET_OS_CPP_BUILTINS.
2774         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2775         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
2776         Undefine it.
2777         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
2778         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
2779         (SWITCH_TAKES_ARG): Likewise.
2780         (LOCAL_LABEL_PREFIX): Likewise.
2781         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2782         (TARGET_N_FORMAT_TYPES): Delete.
2783         (TARGET_FORMAT_TYPES): Likewise.
2784         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2785         * config/sparc/elf.h: Delete.
2786         * config/sparc/sp-elf.h: New file.
2787
2788 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2789
2790         * tree-flow-inline.h (phi_arg_from_edge): Remove.
2791         * tree-flow.h: Remove the corresponding prototype.
2792         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
2793         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
2794
2795 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2796
2797         PR target/17751
2798         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
2799         for AIX ABI or ELF -fPIC.
2800         (rs6000_emit_load_toc_table): Don't create toc_section here.
2801         (rs6000_xcoff_file_start): Nor here.
2802
2803 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
2804
2805         * sh.c (ra.h): Don't #include.
2806         (hard_regs_intersect_p): New function, resurrected from ra.c.
2807
2808         * sh.c: Fix 1996 Copyright.
2809
2810 2005-01-24  Richard Henderson  <rth@redhat.com>
2811             Aldy Hernandez  <aldyh@redhat.com>
2812
2813         * regrename.c (note_sets): Handle subregs.
2814
2815 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
2816
2817         PR bootstrap/18058
2818         * genconditions.c (write_header, write_conditions): Elide file if
2819         not GCC >= 3.0.1.
2820
2821 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
2822
2823         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
2824         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
2825         Update copyright.
2826
2827 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2828
2829         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
2830         expand_builtin_printf, expand_builtin_fprintf,
2831         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
2832         checking against POINTER_TYPE.
2833         (validate_arglist): Handle POINTER_TYPE code by checking
2834         POINTER_TYPE_P.
2835
2836 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
2837
2838         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
2839         init_rtlanal): New.
2840         (for_each_rtx): Call for_each_rtx_1.
2841         * rtl.h (init_rtlanal): Declare.
2842         * toplev.c (backend_init): Call init_rtlanal.
2843
2844 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
2845
2846         * flow.c (propagate_one_insn): Formatting.
2847
2848         PR middle-end/19551
2849         * flow.c (libcall_dead_p): Be more conservative if unsure.
2850         If there are any instructions between insn and call, see if they are
2851         all dead before saying the libcall is dead.
2852
2853 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
2854
2855         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
2856         operand constraint for operand 0.
2857
2858 2005-01-23  Richard Henderson  <rth@redhat.com>
2859
2860         PR 19486
2861         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
2862         edges leading to join block.
2863
2864 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2865
2866         * expmed.c (expand_mult_highpart): Make static.  Change type of
2867         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
2868         (expand_divmod): Updates calls to expand_mult_highpart by using
2869         gen_int_mode to pass a CONST_INT rtx.
2870         * rtl.h (expand_mult_highpart): Remove prototype.
2871
2872 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2873
2874         * flow.c (regset_bytes, regset_size): Remove.
2875
2876         * cfganal.c: Fix a reference to Harvey's paper.
2877
2878 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2879
2880         PR rtl-optimization/19464
2881         * tree-optimize.c (init_tree_optimization_passes): Add one more
2882         copyrename pass just before out-of-ssa.
2883
2884 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
2885
2886         PR bootstrap/18058
2887         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
2888         * ggc-none.c (ggc_free): Define.
2889
2890 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2891
2892         * cse.c (max_reg, max_insn_uid): Remove.
2893         (cse_main): Don't access max_reg or max_insn_uid.
2894
2895         * c-common.c (explicit_flag_signed_bitfields,
2896         lang_statement_code_p, lang_expand_function_end): Remove.
2897         * c-common.h: Remove the corresponding declarations.
2898         * c-opts.c (c_common_handle_option): Remove all write access
2899         to explicit_flag_signed_bitfields.
2900
2901         * cgraph.c (cgraph_varpool_n_nodes): Remove.
2902         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
2903         * cgraph.h: Remove the corresponding declaration.
2904
2905         * gcse.c (null_pointer_info): Remove.
2906
2907 2005-01-23  Roger Sayle  <roger@eyesopen.com>
2908             Eric Botcazou  <ebotcazou@libertysurf.fr>
2909
2910         * combine.c (simplify_logical): Only simplify logical expressions
2911         of the form ior(and(x,y),z) by the inverse distributive law if the
2912         result is cheaper than the original.
2913
2914 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
2915
2916         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
2917         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
2918         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
2919         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
2920         config/freebsd-spec.h, config/arm/arm.h,
2921         config/h8300/h8300.md, config/i386/i386.md,
2922         config/i386/predicates.md, config/i386/sse.md,
2923         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
2924         config/vax/vax.md: Fix comment typos.  Follow spelling
2925         conventions.
2926
2927 2005-01-23  Steven Bosscher  <stevenb@suse.de>
2928
2929         * gengtype.c (walk_type): Produce `not equal to' compares for loop
2930         tests, instead of `less than'.
2931
2932 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
2933
2934         * function.c (assign_parm_setup_block): When creating a new stack slot
2935         for a parameter, get its alignment from the parameter's DECL_ALIGN
2936         rather than the type's TYPE_ALIGN.  Make sure that the parameter
2937         is at least word aligned.
2938
2939 2005-01-22  Roger Sayle  <roger@eyesopen.com>
2940
2941         PR middle-end/19378
2942         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
2943
2944 2005-01-22  Richard Henderson  <rth@redhat.com>
2945
2946         PR target/19506
2947         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
2948         in both compare operands.
2949         (movdfcc_1_sse_max): Likewise.
2950         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
2951         (movdfcc_1_sse): Likewise.
2952         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
2953         scratch register as needed.
2954
2955 2005-01-22  Richard Henderson  <rth@redhat.com>
2956
2957         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
2958
2959         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
2960
2961 2005-01-22  Richard Henderson  <rth@redhat.com>
2962
2963         * genopinit.c (optabs): Use smin/smax for floating point too.
2964         * doc/md.texi: Update to match.  Clarify that floating point
2965         results are undefined for +0/-0 and NaN.
2966         * doc/rtl.texi: Likewise.
2967         * rtl.def (SMIN, SMAX): Likewise
2968         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
2969
2970         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
2971         leading 's' to the name.
2972         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
2973         smaxxf3, sminxf3): Likewise.
2974         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
2975         Likewise.
2976
2977 2005-01-22  Paul Brook  <paul@codesourcery.com>
2978
2979         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
2980
2981 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
2982
2983         * config/s390/s390.c (struct processor_costs): New fields
2984         dlgr, dlr, dr, dsgfr, dsgr.
2985         (z900_cost, z990_cost): Values for new fields.
2986         (s390_rtx_costs): New cases MEM und COMPARE in switch
2987         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
2988         DIV, MOD, UDIV, UMOD.
2989
2990 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2991
2992         * config/s390/s390.md ("doloop_si64"): Reload input value directly
2993         into the register being decremented.
2994         ("doloop_si31", "doloop_di"): Likewise.
2995         ("*doloop_si_long"): Adapt pattern.
2996
2997 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
2998
2999         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3000         access registers.
3001         (CLASS_MAX_NREGS): Likewise.
3002
3003 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3004
3005         * doc/tree-ssa.texi (Statement Operands): Add example for new
3006         must-def macro. Note deprecation of old operands interface.
3007
3008 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3009
3010         PR tree-optimization/19484
3011         * tree-cfg.c (remove_fallthru_edge): New function.
3012         (cleanup_control_flow): Remove fallthru edges from calls that are
3013         now known not to return.
3014
3015 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3016
3017         Fix PR tree-optimization/19038
3018         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3019         copies with loop variant ones.
3020
3021 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3022
3023         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3024         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3025         config/alpha/alpha.md, config/alpha/predicates.md,
3026         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3027         config/sparc/sol2.h: Update copyright.
3028
3029         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3030         first label to see if it is a nonlocal label.
3031
3032 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3033             Andrew Pinski  <pinskia@physics.uc.edu>
3034
3035         PR target/19491
3036         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3037         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3038
3039 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3040
3041         * config/rs6000/rtems.h: Update copyright.
3042
3043 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3044
3045         PR target/19548
3046         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3047         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3048         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3049
3050 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3051
3052         PR c/18809
3053         * c-typeck.c (convert_arguments): Check for error_mark_node.
3054
3055 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3056
3057         PR tree-optimization/13000
3058         * tree-inline.c: Include "tree-flow.h".
3059         (expand_call_inline): If warn_return_type, warn if non-void inline
3060         function falls through.
3061         * tree-cfg.c (execute_warn_function_return): Don't warn about
3062         control reaching end if TREE_NO_WARNING is set.  Set
3063         TREE_NO_WARNING.
3064         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3065         has been lowered.
3066         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3067         branch if we don't need one.
3068         * c-typeck.c: Include "tree-flow.h"
3069         (c_finish_bc_stmt): Don't add a goto if the current statement
3070         list doesn't fall through to the current point.
3071
3072 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3073
3074         PR rtl-optimization/576
3075         * real.c (real_arithmetic): Change return type from void to bool
3076         to return an indication that the result may be inexact.
3077         * real.h (real_arithmeric): Update prototype.
3078         * fold-const.c (const_binop):  Don't constant fold floating
3079         point expressions when the user specifies -frounding-math and
3080         the result may depend upon the run-time rounding mode.
3081         (fold_convert_const_real_from_real): Clean-up.
3082         (fold_initializer): Ignore flag_rounding_math for initializers.
3083         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3084         constant fold FP operations with flag_rounding_math if the
3085         result may depend upon the run-time rounding mode.
3086
3087 2005-01-21  Tom Tromey  <tromey@redhat.com>
3088
3089         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3090
3091 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3092
3093         * tree-cfg.c: Fix comment typos.
3094
3095 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3096
3097         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3098         around the call to rest_of_handle_branch_target_load_optimize.
3099
3100 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3101
3102         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3103         (sparc64-*-openbsd*): Likewise.
3104         (sparclite-*-elf*): Include tm-dwarf2.h.
3105         (sparc86x-*-elf*): Likewise.
3106         (sparc64-*-elf*): Likewise.
3107         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3108         (DBX_DEBUGGING_INFO): Likewise.
3109         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3110         (PREFERRED_DEBUGGING_TYPE): Likewise.
3111         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3112         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3113         (PREFERRED_DEBUGGING_TYPE): Likewise.
3114         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3115         (PREFERRED_DEBUGGING_TYPE): Likewise.
3116         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3117
3118 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3119
3120         PR target/18701
3121         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3122
3123 2005-01-20  Paul Brook  <paul@codesourcery.com>
3124
3125         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3126
3127 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3130         label is first in a sequence of labels.
3131
3132         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3133
3134 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3135             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3136
3137         * doc/sourcebuild.texi (Test Directives): New.
3138
3139 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3140
3141         * real.c (real_floor): Don't leave the result uninitialized when
3142         mode is VOIDMode, but return the unrounded intermediate value.
3143         (real_ceil): Likewise.
3144
3145 2005-01-20  Paul Brook  <paul@codesourcery.com>
3146
3147         * config/arm/arm.md (insv): Use gen_int_mode.
3148
3149 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3150
3151         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3152         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3153         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3154         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3155         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3156
3157 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3158
3159         Fix PR debug/19124
3160         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3161         fbreg, so we have to assume we can't.
3162         (loc_descriptor_from_tree_1): Ditto.
3163         (containing_function_has_frame_base): New function.
3164         (add_location_or_const_value_attribute): Use it.
3165         Also try to generate a frame_base from a single element location
3166         list.
3167
3168 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3169
3170         PR tree-optimization/15349
3171         * timevar.def (TV_TREE_MERGE_PHI): New.
3172         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3173         PHI_WANTED.
3174         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3175         calls to tree_forwarder_block_p.
3176         (remove_forwarder_block_with_phi, merge_phi_nodes,
3177         gate_merge_phi, pass_merge_phi): New.
3178         * tree-optimize.c (init_tree_optimization_passes): Add
3179         pass_merge_phi.
3180         * tree-pass.h: Add an extern for pass_merge_phi;
3181
3182 2005-01-20  Richard Henderson  <rth@redhat.com>
3183
3184         PR target/19418
3185         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3186         (_mm_castps_pd, _mm_castps_si128): New.
3187         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3188
3189 2005-01-20  Richard Henderson  <rth@redhat.com>
3190
3191         PR target/19530
3192         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3193         __builtin_ia32_vec_init_v2si.
3194         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3195         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3196         (ix86_init_mmx_sse_builtins): Create it.
3197         (ix86_expand_builtin): Expand it.
3198         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3199         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3200         (vec_extractv2si_0, vec_extractv2si_1): New.
3201
3202 2005-01-20  Richard Henderson  <rth@redhat.com>
3203
3204         PR target/16533
3205         * config/i386/i386.c (ix86_expand_push): New.
3206         * config/i386/mmx.md (push<MMXMODE>1): New.
3207         * config/i386/sse.md (push<SSEMODE>1): New.
3208         * config/i386/i386-protos.h: Update.
3209
3210 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3211
3212         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3213         copyright.
3214
3215 2005-01-20  Richard Henderson  <rth@redhat.com>
3216
3217         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3218         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3219
3220 2005-01-19  Richard Henderson  <rth@redhat.com>
3221
3222         PR target/19350
3223         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3224         to V4SFmode in SSE1 fallback load path.
3225
3226 2005-01-19  Richard Henderson  <rth@redhat.com>
3227
3228         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3229         in QImode expansion to ix86_expand_vector_set.
3230         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3231
3232 2005-01-19  Richard Henderson  <rth@redhat.com>
3233
3234         PR target/19511
3235         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3236         subclass of the input class.
3237         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3238         Always true for cross-SSE1 classes.  Rationalize conditionals.
3239         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3240         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3241         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3242         (movdi_2): Add MMX/SSE zeros.
3243         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3244         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3245         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3246         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3247         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3248         (zero_extendsidi2_rex64_1): Remove.
3249         (MOV0 peephole): Check GENERAL_REG_P.
3250
3251 2005-01-19  Richard Henderson  <rth@redhat.com>
3252
3253         PR target/19427
3254         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3255         shufps elements.
3256         (ix86_expand_vector_extract): Likewise.
3257
3258 2005-01-19  Richard Henderson  <rth@redhat.com>
3259
3260         PR middle-end/19304
3261         * expr.c (emit_move_change_mode): New argument force; use
3262         simplify_gen_subreg if true.
3263         (emit_move_via_alt_mode): Merge into ...
3264         (emit_move_via_integer): ... here.
3265         (emit_move_ccmode): Use emit_move_change_mode directly.
3266
3267 2005-01-19  Richard Henderson  <rth@redhat.com>
3268
3269         PR target/19518
3270         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3271         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3272         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3273         rtl if true.
3274         (alpha_emit_set_const): Likewise.  Make static.
3275         (alpha_emit_set_long_const): Make static.
3276         (alpha_extract_integer): Split out from alpha_expand_mov.
3277         (alpha_split_const_mov): Likewise.
3278         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3279         (alpha_legitimate_constant_p): New.
3280         * config/alpha/alpha-protos.h: Update.
3281         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3282         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3283         * config/alpha/alpha.md (movsi): Add n alternative.
3284         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3285         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3286         (splitters for all of the above): Use alpha_split_const_mov.
3287         * config/alpha/predicates.md (non_add_const_operand): New.
3288         (non_zero_const_operand): New.
3289         (input_operand): Use alpha_legitimate_constant_p after reload.
3290
3291 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3292
3293         PR tree-optimization/19038
3294         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3295         (add_candidate): Add ivs with increment in latch only if
3296         allow_ip_end_pos_p is true.
3297         (determine_iv_cost): Use empty_block_p.
3298
3299 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3300
3301         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3302         (compute_dominance_frontiers): Ditto.
3303
3304 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3305
3306         PR target/19529
3307         * config/sh/t-rtems: New.
3308         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3309
3310 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3311
3312         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3313         the offset of the selected field.
3314
3315 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3316
3317         * tree-cfg.c (remove_forwarder_block): Fix the check to
3318         prevent a nonlocal label from appearing in the middle of a
3319         basic block.
3320
3321 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3322
3323         PR rtl-optimization/19462
3324         * reorg.c (find_end_label): Create return insn only if
3325         current_function_epilogue_delay_list is empty.
3326
3327 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3328
3329         * doc/passes.texi: Remove paragraph mentioning new-ra.
3330
3331 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3332
3333         PR rtl-optimization/15139
3334         * combine.c: Include params.h.
3335         (count_rtxs): New function.
3336         (record_value_for_reg): If replace_rtx would replace at least
3337         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3338         (clobber (const_int 0)) instead of TEM.
3339         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3340         * params.h (MAX_LAST_VALUE_RTL): New.
3341         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3342         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3343
3344         PR c/17297
3345         * c-typeck.c (digest_init): Only call build_vector if all constructor
3346         elements are *_CST nodes.
3347         * gimplify.c (gimplify_init_constructor): Likewise.
3348
3349         PR middle-end/19164
3350         * c-typeck.c (digest_init): Only call build_vector if inside_init
3351         is a CONSTRUCTOR.
3352
3353 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3354
3355         * toplev.c (init_asm_output): Remove dead #ifdef.
3356
3357 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3358
3359         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3360
3361 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3362
3363         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3364         accessing DECL_FUNCTION_CODE.
3365         * dojump.c (do_jump): Likewise.
3366         * gimplify.c (gimplify_call_expr): Likewise.
3367         * predict.c (expr_expected_value): Likewise.
3368         (strip_builtin_expect): Likewise.
3369         * tree-inline.c (estimate_num_insns_1): Likewise.
3370         * tree-ssa-loop-im.c (stmt_cost): Likewise
3371         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3372         (tree_expr_nonnegative_p): Likewise.
3373
3374 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3375
3376         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3377         variant of the load_pcrel_sym pattern.
3378         * config/sparc/sparc.md (P macro): Move to the top.
3379         (load_pcrel_sym): Macroize using P.
3380         (save_register_window): Likewise.
3381
3382 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3383
3384         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3385         ("sordered"): Same.
3386
3387 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3388
3389         PR C/19472
3390         * c-typeck.c (build_asm_expr): Strip nops off
3391         input memory operands.
3392
3393 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3394
3395         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3396         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3397         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3398         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3399
3400 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3401
3402         PR target/19379
3403         * config/i386/i386.c (override_options): If the 80387 is disabled,
3404         then do not return FP values using FP registers.
3405
3406 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3407
3408         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3409         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3410         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3411         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3412         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3413         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3414         output.h, postreload-gcse.c, postreload.c, recog.c,
3415         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3416         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3417         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3418         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3419         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3420         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3421         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3422         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3423
3424         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3425         config/alpha/alpha.c, config/arm/vfp.md,
3426         config/i386/emmintrin.h, config/i386/i386-modes.def,
3427         config/i386/i386-protos.h, config/i386/i386.h,
3428         config/i386/pmmintrin.h, config/i386/ppro.md,
3429         config/i386/predicates.md, config/i386/xmmintrin.h,
3430         config/i860/i860.c, config/ia64/ia64-modes.def,
3431         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3432         config/ia64/ia64.md, config/ia64/itanium1.md,
3433         config/ia64/itanium2.md, config/ia64/predicates.md,
3434         config/iq2000/iq2000.h, config/mips/linux64.h,
3435         config/rs6000/aix41.h, config/rs6000/aix43.h,
3436         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3437         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3438         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3439         config/sparc/linux64.h, config/sparc/litecoff.h,
3440         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3441         config/sparc/sparc.h, config/sparc/sparc.md,
3442         config/sparc/sysv4-only.h: Update copyright.
3443
3444 2005-01-18  Richard Henderson  <rth@redhat.com>
3445
3446         PR target/19496
3447         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3448
3449 2005-01-18  Marc Espie  <espie@openbsd.org>
3450         * config/i386/openbsdelf.h: Typo.
3451
3452 2005-01-18  Richard Henderson  <rth@redhat.com>
3453
3454         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
3455         special case for sse.
3456         * config/i386/predicates.md (sse_comparison_operator): Likewise.
3457
3458 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
3459
3460         * tree-inline.c (estimate_num_insns_1): Added cases for
3461         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
3462
3463 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3464
3465         PR rtl-optimization/19296
3466         * combine.c (simplify_comparison): Rewrite the condition under
3467         which a non-paradoxical SUBREG of a PLUS can be lifted when
3468         compared against a constant.
3469
3470 2005-01-18  Andi Kleen <ak@muc.de>
3471
3472         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
3473         * c.opt (-Wpointer-sign): Add.
3474         * doc/invoke.texi: (-Wpointer-sign): Add.
3475
3476 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3477
3478         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
3479         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
3480         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
3481         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
3482         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
3483         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
3484         for TARGET_MIX_SSE_I387.
3485         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
3486         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
3487         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
3488         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
3489         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
3490         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
3491         TARGET_MIX_SSE_I387.
3492         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
3493         from expander.
3494
3495 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
3496
3497         PR target/19424
3498         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
3499         Add movaps alternative for xmm reg->reg move.
3500
3501 2005-01-17  Jeff Law  <law@redhat.com>
3502
3503         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
3504         at the end of the main DOM loop rather than just before DOM exits.
3505
3506 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
3507
3508         PR tree-optimization/19121
3509         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
3510         adding aliases to a name tag, also add them to the pointer's
3511         type tag.
3512         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
3513         sensitive alias info at all.  Only check that the two pointers
3514         have compatible pointed-to sets.
3515         * tree-ssa.c (verify_name_tags): Verify that the alias set of
3516         a pointer's type tag is a superset of the alias set of the
3517         pointer's name tag.
3518
3519 2005-01-17  James E Wilson  <wilson@specifixinc.com>
3520
3521         PR target/19357
3522         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
3523         comment to document why.
3524
3525 2005-01-17  Richard Henderson  <rth@redhat.com>
3526
3527         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
3528         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
3529         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
3530         sse2_vmsminv2df3_finite): New.
3531         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
3532         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
3533         Force op1 into register.
3534
3535 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
3536
3537         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
3538         bubblestrap from always rebuilding build directory.
3539
3540 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
3541
3542         * config/s390/s390.md ("*clc"): Remove incorrect '='.
3543         ("*cmpmem_short"): Likewise.
3544
3545 2005-01-17  Steven Bosscher  <stevenb@suse.de>
3546
3547         * basic-block.h: Document BB_* flags.
3548         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
3549         use an sbitmap instead.
3550         * sched-rgn.c (compute_trg_info): Likewise.
3551
3552 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
3553
3554         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
3555         redundant target_cpu_default and extra_parts lines.  Use the default
3556         "from-abi" ISA.
3557         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
3558         (SUBTARGET_EXTRA_SPECS): Delete.
3559         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
3560         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
3561         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
3562         and "n32" for -mabi=n32.
3563
3564 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3565
3566         PR c/5675
3567         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
3568         fold constant variables into initial values.
3569
3570 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3571
3572         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
3573
3574         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
3575         through the statements backward.
3576
3577 2005-01-17  Ian Lance Taylor  <ian@airs.com>
3578
3579         PR middle-end/13127:
3580         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
3581         a variable set to the return value of the inlined function.
3582
3583 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
3584
3585         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
3586         when modes are tieable.
3587
3588 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
3589
3590         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
3591         of pthread_create to find out if threads are enabled.
3592         * gthr-posix95.h (__gthread_active_p): Likewise.
3593
3594 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
3595
3596         * common.opt (-fnew-ra): Remove.
3597         * ra*.*: Remove.
3598         * toplev.h (flag_new_regalloc): Remove.
3599         * Makefile.in (ra*.*): Don't mention.
3600         * passes.c (rest_of_handle_new_regalloc): Remove.
3601         (rest_of_handle_combine, rest_of_compilation): Always consider
3602         flag_new_regalloc as false.
3603         * doc/invoke.texi: Don't document -fnew-ra.
3604
3605 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
3606
3607         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
3608         last parameter to reg_scan.
3609         * loop.c (loop_optimize): Likewise.
3610         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
3611         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
3612         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
3613         rest_of_handle_gcse, rest_of_handle_loop_optimize,
3614         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
3615         * regclass.c (reg_scan): Likewise, for the declaration.
3616         * rtl.h (reg_scan): Likewise, for the prototype.
3617
3618 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
3619
3620         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
3621         mark_dfs_back_edges.
3622
3623 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
3624
3625         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
3626         (compute_avail): Uses don't go in tmp_gen.
3627
3628 2005-01-16  Steven Bosscher  <stevenb@suse.de>
3629
3630         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
3631         loop to look for a free slot in a page entry.
3632
3633 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3634
3635         PR target/16304
3636         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
3637         * toplev.c (compile_file): Call process_pending_assemble_output_defs
3638         just before targetm.asm_out.file_end.
3639         * tree.h (process_pending_assemble_output_defs): Declare.
3640         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
3641         New functions.
3642         (assemble_alias): Defer generation of assembly code for defines when
3643         TARGET_DEFERRED_OUTPUT_DEFS is true.
3644         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3645         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
3646         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
3647
3648 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3649
3650         PR target/19336
3651         * pa.c (pa_scalar_mode_supported_p): New function.
3652         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3653         * pa.h (MIN_UNITS_PER_WORD): Add comment.
3654
3655         * pa-protos.h (prefetch_operand): Delete.
3656         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
3657         * pa.c (prefetch_operand): Delete.
3658         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
3659         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
3660         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
3661         and prefetch_nocc_operand.
3662         * pa.md (prefetch): Rework to avoid reload problems handling short
3663         displacements when a cache control completer needs to be provided.
3664         (prefetch_32, prefetch_64): Delete.
3665         (prefetch_cc, prefetch_nocc): New patterns.
3666
3667 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
3668
3669         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
3670
3671 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3672
3673         PR ada/19388
3674         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
3675         exceeds maximum alignment for global common data.
3676         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
3677         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
3678
3679 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3680
3681         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
3682
3683 2004-01-15  Roger Sayle  <roger@eyesopen.com>
3684
3685         * harg-reg-set.h (reg_class_names): Prototype global array.
3686         * regclass.c (reg_class_names): Declare here and initialize to
3687         REG_CLASS_NAMES.
3688         (dump_regclass): Remove local declaration of reg_class_names.
3689         (regclass): Likewise.
3690         * cfg.c (dump_flow_info): Likewise.
3691         * ra-debug.c (reg_class_names): Likewise.
3692         * regrename.c (reg_class_names): Likewise.
3693         * reload.c (reg_class_names): Likewise.
3694         * reload1.c (spill_failure): Likewise.
3695         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
3696
3697 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
3698
3699         * config/s390/s390.md ("reload_outti"): Remove predicate for
3700         output operand.  Abort if operand is not a MEM.
3701         ("reload_outdi", "reload_outdf"): Likewise.
3702
3703 2005-01-15  Marc Espie  <espie@openbsd.org>
3704
3705         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
3706         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
3707         * config/openbsd.h:  Fix C++ includes for native configurations.
3708         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
3709         Add trampoline support.
3710         * config/i386/openbsdelf.h: New.
3711
3712 2005-01-15  Marc Espie  <espie@openbsd.org>
3713
3714         * collect2.c (main): Explicitly parse -dynamic-linker option.
3715
3716 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR tree-optimization/19060
3719         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
3720         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
3721         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
3722         and handle extract_range_from_cond returning false.
3723         * fold-const.c (fold): Optimize comparisons with min/max even for
3724         width > HOST_BITS_PER_WIDE_INT.
3725
3726 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
3727
3728         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
3729         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
3730         Remove little endian multilib variants.
3731         Add mips32 multilib variant.
3732
3733 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
3734
3735         * explow.c (copy_all_reg, stabilize): Remove.
3736         * expr.h: Remove the corresponding prototypes.
3737
3738         * rtlanal.c (regs_set_between_p): Remove.
3739         * rtl.h: Remove the corresponding prototype.
3740
3741 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
3742
3743         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
3744         to rs6000_nonimmediate_operand.
3745         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
3746         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
3747         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
3748         rs6000_nonimmediate_operand.
3749         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
3750         rs6000_nonimmediate_operand.
3751
3752 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
3753
3754         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
3755
3756 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3757
3758         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
3759         on e500v2.
3760         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
3761         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
3762
3763         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
3764         (rs6k_nonimmediate_operand): New.
3765         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
3766         correctly.
3767         (legitimate_lo_sum_address_p): Same.
3768         (rs6000_legitimize_address): Same.
3769         (rs6000_legitimize_reload_address): Same.
3770         (rs6000_legitimate_address): Same.
3771         (spe_build_register_parallel): Pass DF and DC modes in a DI
3772         register.
3773
3774         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
3775         to rs6k_nonimmediate_operand.
3776
3777         * config/rs6000/spe.md ("*frob_df_di"): New.
3778         ("*frob_di_df"): New.
3779         ("*frob_di_df_2"): New.
3780         ("*mov_sidf_e500_subreg0"): New.
3781         ("*mov_sidf_e500_subreg4"): New.
3782         ("*movdf_e500_double"): Change predicate to
3783         rs6k_nonimmediate_operand.
3784
3785 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3786
3787         * postreload.c (move2add_note_store): Only call
3788         trunc_int_for_mode on scalar integers.
3789
3790 2005-01-14  Steven Bosscher  <stevenb@suse.de>
3791
3792         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
3793         replace BB_VISITED uses.
3794         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
3795         (propagate_necessity): Check the bitmap instead of BB_VISITED.
3796         (tree_dce_done): Free visited_control_parents.
3797         (perform_tree_ssa_dce): Allocate and clear it.
3798         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
3799         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
3800         instead of BB_VISITED.
3801
3802 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
3803
3804         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
3805         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
3806         Remove unused prototypes.
3807
3808 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3809
3810         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
3811         64-bit register usage.
3812         (spe_func_has_64bit_regs_p): Add FIXME note.
3813
3814 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
3815
3816         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
3817         flag_finite_math_only with flag_unsafe_math_optimizations.
3818
3819 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
3820
3821         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
3822         end-of-stack check.
3823         (__tpf_eh_return): Copy TPF private stack area from the module
3824         boundary stack frame.  Add check for when module addresses are
3825         equal, but no stub address is found.
3826
3827 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
3828
3829         PR target/7525
3830         * arm.h (struct machine_function): Add call_via field.
3831         (thumb_call_via_label): Declare.
3832         * arm.c (thumb_call_via_label): New variable.
3833         (thumb_call_reg_needed): New variable.
3834         (arm_output_function_epilogue): For Thumb code, output any per-function
3835         call-indirect trampolines.
3836         (thumb_call_via_reg): New function.
3837         (arm_file_end): New function.
3838         (TARGET_ASM_FILE_END): Call arm_file_end.
3839         (aof_file_end): Likewise.
3840         * arm-protos.h (thumb_call_via_reg): Declare.
3841         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
3842         thumb_call_via_reg in normal case.
3843
3844 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
3845
3846         PR middle-end/19084
3847         PR rtl-optimization/19348
3848         * recog.c (peephole2_optimize): Do global life update if some peephole
3849         decides it doesn't need at least one of its inputs and that change
3850         influences liveness at the start of the basic block.
3851
3852         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
3853         arguments instead of 1.
3854
3855 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
3856
3857         PR middle-end/18820
3858         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
3859         zero for nested functions needing a static chain or functions
3860         with a non-constant address.
3861
3862 2005-01-13  Roger Sayle  <roger@eyesopen.com>
3863
3864         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
3865         (and (sign_extend X) C) into (zero_extend (and X C)).
3866
3867 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
3868
3869         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
3870
3871 2005-01-13  Richard Henderson  <rth@redhat.com>
3872
3873         PR target/19009
3874         PR target/19250
3875         PR target/19252
3876         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
3877         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
3878         not just TARGET_SSE.
3879         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
3880         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
3881         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
3882         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
3883         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
3884         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
3885         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
3886         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
3887         (movdicc_c_rex64): Rename with '*'.
3888         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
3889         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
3890         (movsfcc_1_387): Rename from movsfcc_1.
3891         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
3892         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
3893         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
3894         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
3895         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
3896         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
3897         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
3898         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
3899         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
3900         sse_movdfcc_const0_4): Remove.
3901         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
3902         recognize min/max early.  Update for changed sse cmove patterns.
3903         (ix86_split_sse_movcc): New.
3904         * config/i386/i386-protos.h: Update.
3905
3906 2005-01-13  Steven Bosscher  <stevenb@suse.de>
3907
3908         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
3909         (fix_stmt_v_may_defs): Likewise.
3910
3911 2005-01-13  Richard Henderson  <rth@redhat.com>
3912
3913         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
3914         for converting the mask.
3915
3916 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
3917
3918         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
3919         definition to 600.
3920
3921 2005-01-13  Richard Henderson  <rth@redhat.com>
3922
3923         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
3924         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
3925         IX86_BUILTIN_MOVDQ2Q): Remove.
3926         (IX86_BUILTIN_VEC_EXT_V4SI): New.
3927         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
3928         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
3929         shuffling.
3930         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
3931         (sse2_pextrw): Fix immediate constraint.
3932         (sse2_loadq, sse2_loadq_rex64): Remove.
3933         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
3934         Use __builtin_ia32_vec_ext_<size>.
3935         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
3936
3937 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
3938
3939         * function.c (assign_parm_setup_block): Look inside original
3940         entry_parm when inspecting PARALLEL.
3941
3942 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
3943             Joel Sherrill  <joel@oarcorp.com>
3944
3945         PR target/19399
3946         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
3947         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
3948         rtems_gxx_recursive_mutex_init.
3949         (__gthread_recursive_mutex_lock): New function.
3950         (__gthread_recursive_mutex_trylock): Likewise.
3951         (__gthread_recursive_mutex_unlock): Likewise.
3952
3953 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
3954
3955         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
3956
3957 2005-01-13  Jan Beulich  <jbeulich@novell.com>
3958
3959         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
3960         (ashrti3_internal): Indicate output is early clobber. Generate result
3961         into output rather than first input. Use move for low word of output
3962         if shift count is exactly 64.
3963         (lshrti3_internal): Likewise.
3964
3965 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
3966
3967         PR target/18329
3968         PR target/18330
3969         * reload1.c (delete_output_reload): Don't delete an output reload
3970         if the pseudo lives longer than a single basic block.  Adjust and
3971         improve wording of comment.
3972
3973 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
3974
3975         PR target/19334
3976         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
3977         of TYPE_SIZE where we mean the number of bytes.
3978
3979 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
3980
3981         * function.c (assign_parm_setup_block): Relax condition on
3982         multi-register optimization.
3983
3984 2005-01-12  Nick Clifton  <nickc@redhat.com>
3985
3986         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
3987         an "in_delay_slot" attribute of "no" to prevent them being used in
3988         delay slots.  This is forbidden because they might generate
3989         exceptions.
3990
3991 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
3992
3993         PR target/19389
3994         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
3995         with r->Y and Y->r.
3996
3997 2005-01-12  Nick Clifton  <nickc@redhat.com>
3998
3999         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4000         passed on to GAS) but do not define, as GAS no longer supports or
4001         needs the -m2000 option.
4002
4003 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4004
4005         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4006         type as args of unprototyped builtins aren't automatically promoted.
4007         (fold_builtin_abs): Likewise.
4008
4009 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4010
4011         * Makefile.in: Set a `build-warn' variable.
4012
4013 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4014
4015         PR tree-optimization/17949
4016         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4017         (find_interesting_uses_address): Use it.
4018
4019 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4020
4021         * regrename.c (kill_value): Handle subreg's that won't simplify.
4022
4023 2005-01-11  Richard Henderson  <rth@redhat.com>
4024
4025         PR target/13366
4026         * config/i386/i386.h (enum ix86_builtins): Move ...
4027         * config/i386/i386.c: ... here.
4028         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4029         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4030         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4031         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4032         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4033         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4034         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4035         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4036         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4037         IX86_BUILTIN_LOADDDUP): Remove.
4038         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4039         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4040         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4041         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4042         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4043         (ix86_init_builtins): Make static.
4044         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4045         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4046         if all the modes match.  Otherwise, fake it.
4047         (get_element_number, ix86_expand_vec_init_builtin,
4048         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4049         (ix86_expand_builtin): Make static.  Update for changed builtins.
4050         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4051         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4052         (ix86_expand_vector_init_duplicate): New.
4053         (ix86_expand_vector_init_low_nonzero): New.
4054         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4055         Split out from ix86_expand_vector_init; handle integer modes.
4056         (ix86_expand_vector_init): Use them.
4057         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4058         * config/i386/i386-protos.h: Update.
4059         * config/i386/predicates.md (reg_or_0_operand): New.
4060         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4061         (movv2sf_internal): Likewise.  And a splitter to match them all.
4062         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4063         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4064         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4065         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4066         (mmx_pinsrw): Fix operand ordering.
4067         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4068         rather than sse_loadss expander.
4069         (movv2df splitter): Similarly.
4070         (sse_loadss, sse_loadlss): Remove.
4071         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4072         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4073         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4074         (sse3_movddup): Rename with '*'.
4075         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4076         (sse2_loadsd): Remove.
4077         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4078         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4079         (sse2_pinsrw): Fix argument ordering.
4080         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4081         (sse2_stored): Remove 'r' destination.
4082         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4083         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4084         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4085         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4086         vec_extractv16qi, vec_initv16qi): New.
4087
4088         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4089         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4090         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4091         constructor form.
4092         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4093         (_mm_load_si128, _mm_store_si128): Likewise.
4094         (_mm_load1_pd): Use _mm_set1_pd.
4095         (_mm_load_sd): Use _mm_set_sd.
4096         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4097         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4098         (_mm_set_epi64): Use _mm_set_epi64x.
4099         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4100         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4101         _mm_setr_epi8): Use _mm_set_foo form.
4102         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4103         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4104         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4105         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4106         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4107         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4108         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4109         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4110         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4111         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4112         (_mm_movedup_pd): Use _mm_shuffle_pd.
4113         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4114         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4115         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4116         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4117         Use _mm_setzero_ps.
4118         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4119         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4120         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4121         (_mm_store_ps): Use raw dereference.
4122         (_mm_store1_ps): Use _mm_storeu_ps.
4123         (_mm_storer_ps): Use _mm_store_ps.
4124         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4125         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4126
4127 2005-01-11  Stan Shebs  <shebs@apple.com>
4128
4129         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4130         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4131
4132 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4133
4134         PR target/18761
4135         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4136         Skip all DECLs except for FIELD_DECLs.
4137
4138 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4139
4140         * config/s390/s390.c (override_options): Return error if
4141         -mbackchain, -mpacked-stack and -mhard-float are used together.
4142         (s390_va_start): Remove the backchain && packed-stack special case.
4143         (s390_gimplify_va_arg): Likewise.
4144         * doc/invoke.texi: Remove the ABI incompatibility note.
4145
4146 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4147
4148         * config/s390/s390.c (struct s390_frame_layout): Remove
4149         save_backchain_p.
4150         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4151         save_backchain_p with TARGET_BACKCHAIN.
4152
4153 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4154
4155         PR target/18916
4156         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4157         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4158         * function.c (locate_and_pad_parm): Set new field.
4159         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4160         Tweak where_pad test to include "none".  Always set mem align for
4161         stack_parm.
4162         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4163         not sufficient for type.
4164         (assign_parm_setup_block): If stack_parm is zero on entry, always
4165         make a new stack local.  Block move old stack parm if necessary
4166         to new aligned stack local.
4167         (assign_parm_setup_stack): Use a block move to handle
4168         potentially misaligned entry_parm.
4169         (assign_parms_unsplit_complex): Specify required alignment when
4170         creating stack local.
4171         * calls.c (compute_argument_addresses): Override alignment of stack
4172         arg calculated from its type with the alignment given by
4173         FUNCTION_ARG_BOUNDARY.
4174         (store_one_arg): Likewise.
4175
4176 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4177
4178         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4179         Change respective itanium_class attribute to ialu.
4180         (shladdp4_internal): New.
4181         * config/ia64/predicates.md (shladd_log2_operand): New.
4182
4183 2005-01-11  Richard Henderson  <rth@redhat.com>
4184
4185         * expr.c (store_constructor): Use rtvec_alloc instead of
4186         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4187
4188 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4189
4190         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4191
4192 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4193
4194         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4195         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4196         (TARGET_RWRELOC): Define.
4197         (ia64_rwreloc_section_type_flags): Delete.
4198         (ia64_section_type_flags): New function.
4199         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4200         (TARGET_RWRELOC): Define.
4201
4202 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4203
4204         PR target/18987
4205         * config/ia64/ia64.c (process_set): For alloc insn, only call
4206         process_epilogue is !frame_pointer_needed.
4207
4208 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4209
4210         PR c++/19355
4211         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4212         unary operator and can't be treated as a binary/comparison operator.
4213
4214 2005-01-10  Richard Henderson  <rth@redhat.com>
4215
4216         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4217         (ix86_return_in_memory): Likewise.
4218         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4219         for choosing register to advance.
4220
4221 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4222
4223         * tree-vectorizer.c, tree.def: Fix comment typos.
4224
4225 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4226
4227         * config/s390/s390.c (struct processor_costs): 4 new fields:
4228         ddbr, ddr, debr, der.
4229         (s390_rtx_costs): More precise handling of divide instructions.
4230
4231 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4232
4233         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4234
4235 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4236
4237         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4238         names resulting from -ffunction-sections/-fdata-sections and linkonce
4239         ones.
4240         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4241         based on the section name. Rearrange the section name comparison logic
4242         slightly so that each section name is compared against at most once.
4243
4244 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4245
4246         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4247         targets for which -fPIC reduces limitations on the GOT size.
4248
4249 2005-01-09  Falk Hueffner  <falk@debian.org>
4250
4251         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4252         X/C1 cmpop C2.
4253
4254 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4255
4256         PR target/18720
4257         * collect2.c (main): Set aixrtl_flag for -brtl option.
4258         (resolve_lib_name): Search for .so file extension before .a
4259         if aixrtl_flag set.
4260
4261 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4262
4263         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4264         (vect_analyze_data_refs_alignment): Add dump prints.
4265
4266 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4267
4268         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4269         expr_invariant_in_loop_p.
4270         Initialize outputs first thing in the function.
4271         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4272         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4273         (vect_analyze_pointer_ref_access): Check that the initial condition of
4274         the access function is loop invariant.
4275
4276 2005-01-09  Richard Henderson  <rth@redhat.com>
4277
4278         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4279         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4280         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4281         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4282         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4283         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4284         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4285         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4286         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4287         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4288         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4289         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4290         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4291         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4292         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4293         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4294         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4295         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4296         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4297         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4298         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4299         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4300         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4301         mmx_ prefix.
4302         (mmx_clrdi, pavgusb): Remove.
4303         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4304         with leading sse_ prefix.
4305         * config/i386/sse.md: Receive them.
4306         * config/i386/mmx.md: New file.
4307         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4308         (subrv2sf3): Turn into expander for normal subtraction.
4309         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4310         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4311         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4312         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4313         commutative; use ix86_binary_operator_ok.
4314         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4315         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4316         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4317         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4318         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4319         Macroize from existing patterns; use ix86_binary_operator_ok.
4320         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4321         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4322         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4323         with vec_select+vec_concat.
4324         (mmx_pshufw, mmx_pshufw_1): Likewise.
4325         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4326         (mmx_uavgv4hi3): Model correctly.
4327         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4328         _mm_xor_si64): Remove casts.
4329
4330 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4331
4332         PR tree-optimization/19224
4333         * tree-scalar-evolution.c (get_instantiated_value,
4334         set_instantiated_value): New functions.
4335         (instantiate_parameters_1): Cache the results.
4336         (instantiate_parameters, resolve_mixers): Initialize and free
4337         the cache.
4338
4339 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4340
4341         * config/i386/i386.md (addhi_4): Correct reference in comment.
4342         (addqi_4): Same.
4343
4344 2005-01-08  Richard Henderson  <rth@redhat.com>
4345
4346         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4347         (_mm_cvtsi128_si64x): Likewise.
4348         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4349         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4350         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4351         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4352         * config/i386/i386-protos.h: Update.
4353         * config/i386/i386.c (print_operand): Add 'H'.
4354         (ix86_fixup_binary_operands): Split out from ...
4355         (ix86_expand_binary_operator): ... here.
4356         (ix86_fixup_binary_operands_no_copy): New.
4357         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4358         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4359         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4360         (safe_vector_operand): Use CONST0_RTX.
4361         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4362         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4363         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4364         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4365         special cases.
4366         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4367         (IX86_BUILTIN_CMPNGESS): New.
4368         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4369         (attr type): Add sselog1.
4370         (attr unit, attr memory): Handle it.
4371         (movti, movti_internal, movti_rex64): Move near other integer moves.
4372         (movtf, movtf_internal): Move near other fp moves.
4373         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4374         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4375         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4376         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4377         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4378         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4379         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4380         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4381         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4382         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4383         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4384         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4385         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4386         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4387         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4388         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4389         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4390         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4391         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4392         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4393         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4394         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4395         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4396         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4397         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4398         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4399         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4400         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4401         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4402         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4403         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4404         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4405         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4406         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4407         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4408         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4409         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4410         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4411         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4412         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4413         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4414         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4415         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4416         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4417         same time.
4418         (SSEPUSH, push<SSEPUSH>): Remove.
4419         (MMXPUSH, push<MMXPUSH>): Remove.
4420         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4421         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4422         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4423         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4424         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4425         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4426         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4427         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4428         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4429         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4430         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4431         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4432         (ppro_sse_log_V4SF): Handle sselog1.
4433         * config/i386/predicates.md (const_0_to_1_operand): New.
4434         (const_0_to_255_mul_8_operand): New.
4435         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4436         (const_2_to_3_operand, const_4_to_7_operand): New.
4437         * config/i386/sse.md: New file.
4438         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4439         (sse_movups): Rename from sse_movups_1.
4440         (sse_loadlss): Rename from sse_loadss_1.
4441         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4442         from the name.
4443         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4444         (absv4sf2, negv2df, absv2df): New.
4445         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4446         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4447         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4448         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4449         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4450         (sse3_addsubv4sf3): Model correctly.
4451         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
4452         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
4453         (sse_movhlps): Model with vec_select+vec_concat.
4454         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
4455         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
4456         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
4457         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
4458         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
4459         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
4460         sse2_pshufhw_1): Likewise.
4461         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
4462         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
4463         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
4464         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
4465         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
4466         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
4467         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
4468         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
4469         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
4470         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
4471         sminv8hi3): Mark commutative
4472         operands.  Use ix86_binary_operator_ok.
4473         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
4474         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
4475         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
4476         sse2_punpcklqdq): Allow operand2 in memory.
4477         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
4478         sse2_movsd): Add memory alternatives.
4479         (sse_storelps): Turn expander into an insn; split after reload.
4480         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
4481         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
4482
4483 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
4484
4485         * configure.ac (DWARF-2 debug_line): Use objdump.
4486         * configure: Regenerate.
4487
4488 2005-01-08  Jeff Law  <law@redhat.com>
4489             Diego Novillo  <dnovillo@redhat.com>
4490
4491         PR tree-optimization/18241
4492         * tree-nrv.c (tree_nrv): Ignore volatile return values.
4493         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
4494         statements with volatile operands.
4495         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
4496         operands after marking a statement with has_volatile_ops.
4497
4498 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4499
4500         * tree.c (int_fits_type_p): Always honor integer constant
4501         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
4502
4503 2005-01-08  Roger Sayle  <roger@eyesopen.com>
4504
4505         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
4506         the latent bug in rtl_delete_block has been resolved.
4507
4508 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4509
4510         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
4511         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
4512
4513 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
4514
4515         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
4516         library as @multilib_dir@/$(SHLIB_SONAME).
4517
4518 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4519
4520         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
4521         * configure: Regenerate.
4522
4523 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4524
4525         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
4526         TYPE_MODE.
4527
4528 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
4529
4530         PR target/13674
4531         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4532         Convert non-word aligned offset address using ld/std into
4533         indirect address.
4534
4535 2005-01-07  Richard Henderson  <rth@redhat.com>
4536
4537         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
4538
4539 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
4540
4541         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
4542
4543 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
4544
4545         PR tree-optimization/19283
4546         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
4547         is not shorter than the original type.
4548
4549         PR rtl-optimization/19012
4550         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
4551
4552         PR rtl-optimization/18861
4553         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
4554         (FULL_STATE): Define.
4555         (mark_tablejump_edge): New function.
4556         (purge_dead_tablejump_edges): New function.
4557         (find_bb_boundaries): Use it.
4558
4559         PR tree-optimization/18828
4560         * builtins.c (expand_builtin_next_arg): Remove argument and all
4561         the argument checking.
4562         (expand_builtin): Adjust caller.
4563         (expand_builtin_va_start): Likewise.  Remove error for too many
4564         arguments.
4565         (fold_builtin_next_arg): Issue error for too many arguments.
4566         After checking arguments, replace them with magic arguments that
4567         prevent further checking of the args.
4568
4569 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4570
4571         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
4572
4573 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4574
4575         PR target/6077
4576         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
4577         and %{.S:...} (and their negative variants) to test whether the
4578         input file is assembler or pre-processed-assembler independent of
4579         the actual filename extension.
4580
4581 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4582
4583         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
4584         of sign or zero extended values.
4585
4586 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
4587
4588         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
4589         for IBM long double format correctly.
4590
4591 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
4592
4593         Fix PR tree-optimization/18792
4594
4595         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
4596         to first_loop_depth, and use loop depth instead of loop number.
4597         (build_classic_dir_vector): Ditto.
4598         (compute_data_dependences_for_loop): Use depth, not loop number.
4599         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
4600         number. Pass in loops, instead of loop numbers.
4601         (gather_interchange_stats): Ditto.
4602         (linear_transform_loops): Ditto.
4603
4604 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
4605
4606         PR rtl-opt/13299
4607         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
4608         biv_fits_mode_p, extension_within_bounds_p): New functions.
4609         (check_ext_dependent_givs): Use them.
4610
4611 2005-01-06  Roger Sayle  <roger@eyesopen.com>
4612
4613         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
4614         more than one barrier, in which case we should delete them all.
4615
4616 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
4617
4618         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
4619
4620 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
4621
4622         Fix PR middle-end/19286
4623         Fix PR debug/19267
4624         * dwarf2out.c (gen_subprogram_die): If we've already tried to
4625         output this subprogram, simply ignore this attempt to do it again.
4626         (add_abstract_origin_attribute): Don't abort trying to add the abstract
4627         origin attribute if it's not possible.
4628         (gen_block_die): Don't ignore subblocks of "unused" blocks.
4629         (decls_for_scope): Ditto.
4630         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
4631         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
4632
4633 2005-01-05  Richard Henderson  <rth@redhat.com>
4634
4635         PR target/11327
4636         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
4637         (bdesc_2arg): Use it.
4638         (ix86_expand_binop_builtin): Force operands into registers
4639         when optimizing.
4640         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
4641         ix86_expand_sse_compare, ix86_expand_sse_comi,
4642         ix86_expand_builtin): Likewise.
4643
4644 2005-01-05  Richard Henderson  <rth@redhat.com>
4645
4646         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
4647         and VEC_SELECT.
4648         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
4649         (mulv4hi3): Set itanium_class mmmul.
4650         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
4651         (fpack): Rename from fpack_sfsf.
4652
4653 2005-01-05  Richard Henderson  <rth@redhat.com>
4654
4655         PR rtl-opt/10692
4656         * reload1.c (do_input_reload): Restrict the optimization deleteing
4657         a previous output reload to RELOAD_FOR_INPUT.
4658
4659 2005-01-05  Steven Bosscher  <stevenb@suse.de>
4660
4661         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
4662         comment that we fall through after case.
4663         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
4664         (distribute_links): Likewise.
4665         * cse.c (cse_insn): Likewise.
4666         * cselib.c (cselib_invalidate_mem): Likewise.
4667         * df.c: Update comments at the top of the file.
4668         (read_modify_subreg_p): Update comments here too.
4669         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
4670         * flow.c (mark_set_1): Likewise.
4671         (mark_used_regs): Likewise.
4672         * gcse.c (mems_conflict_for_gcse_p): Likewise.
4673         (canon_list_insert): Likewise.
4674         (mark_set): Likewise.
4675         (try_replace_reg): Likewise.
4676         (store_killed_in_insn): Likewise.
4677         * loop.c (count_one_set): Likewise.
4678         (basic_induction_var): Likewise.
4679         * postreload-gcse.c (find_mem_conflicts): Likewise.
4680         * postreload.c (reload_combine_note_store): Likewise.
4681         (move2add_note_store): Likewise.
4682         * reload.c (find_equiv_reg): Likewise.
4683         (mark_referenced_resources): Likewise.
4684         * rtlanal.c (set_noop_p): Likewise.
4685         (note_stores): Likewise.
4686         (note_uses): Likewise.
4687         * sched-deps.c (sched_analyze_1): Likewise.
4688         * sched-rgn.c (check_live_1): Likewise.
4689         (update_live_1): Likewise.
4690         * config/i860/i860.c: Likewise.
4691
4692         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
4693         an lvalue.
4694         (ZERO_EXTRACT): Mention that this one can be an lvalue.
4695
4696         * doc/rtl.texi: Update documentation for bit-fields and SET.
4697
4698 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4699
4700         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
4701
4702 2005-01-05  Jan Hubicka  <jh@suse.cz>
4703             Richard Henderson  <rth@redhat.com>
4704
4705         PR target/18910
4706         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
4707         with an offset.
4708
4709 2005-01-05  Richard Henderson  <rth@redhat.com>
4710
4711         PR target/12902
4712         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
4713         (sse_shufps): Change operand 3 to const_int_operand.
4714         (sse2_storelps): Fix typo in template.
4715         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
4716         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
4717         (ix86_expand_builtin): Likewise.
4718
4719 2005-01-05  Julian Brown  <julian@codesourcery.com>
4720
4721         * config/arm/arm.c (arm_return_in_memory): Treat complex types
4722         as aggregates for AAPCS ABIs.
4723
4724 2005-01-05  Stan Shebs  <shebs@apple.com>
4725
4726         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
4727         Mach-O getters if ppc64.
4728         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
4729         size argument.
4730         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4731         signed four-byte field for global code case.
4732         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
4733
4734 2005-01-05  Roger Sayle  <roger@eyesopen.com>
4735
4736         PR middle-end/19100
4737         * c-common.c: Include real.h.
4738         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
4739         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
4740         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
4741         * Makefile.in (c-common.o): Update dependencies.
4742
4743 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4744
4745         * c-parse.in (asm_string): Add trailing semicolon.
4746
4747 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4748
4749         * c-parse.in (asm_string): New.  Don't allow wide strings in
4750         'asm'.
4751         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
4752         asm_string instead of STRING.
4753
4754 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
4755
4756         * c-typeck.c (constructor_no_implicit): Remove.
4757         (set_designator, process_init_element): Don't check
4758         constructor_no_implicit.
4759
4760 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
4761             Kaz Kojima  <kkojima@gcc.gnu.org>
4762
4763         PR target/16482
4764         * lcm.c (create_pre_exit): New.
4765         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
4766         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
4767
4768 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4769
4770         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
4771         -msoft-float in target_float_switch.
4772         * arm.c (arm_override_options): Fix processing of target_float_switch.
4773
4774 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
4775
4776         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
4777         preferencing.
4778
4779 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
4780
4781         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
4782         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
4783
4784 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4785
4786         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
4787         if deleting the then-block allows the test-block to fallthru to the
4788         else-block.
4789
4790 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
4791
4792         PR c/19152
4793         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
4794         after the full declaration if the are in two different TUs.
4795
4796 2005-01-04  Richard Henderson  <rth@redhat.com>
4797
4798         PR tree-opt/19158
4799         * tree-sra.c (generate_one_element_init): Just
4800         call gimplify_and_add.
4801         (generate_element_init): Record the
4802         new referenced variables and mark them for renaming
4803         and split out to ...
4804         (generate_element_init_1): This.
4805         (scalarize_init): Don't call push_gimplify_context/
4806         pop_gimplify_context.
4807
4808 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
4809
4810         * toplev.c (get_src_pwd): Handle failure of getpwd().
4811
4812 2005-01-04  Roger Sayle  <roger@eyesopen.com>
4813
4814         * fold-const.c (fold_single_bit_test): Delete unreachable handling
4815         of TRUTH_NOT_EXPR.
4816         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
4817         all the cases handled by it are inverted by invert_truthvalue.
4818
4819 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4820
4821         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
4822         (save_register_windowsi): Likewise.
4823
4824 2005-01-04  Richard Henderson  <rth@redhat.com>
4825
4826         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
4827
4828 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4829
4830         PR middle-end/17767
4831         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
4832         any simplifications of vector mode comparison operators.
4833         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
4834
4835 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
4836             Devang Patel  <dpatel@apple.com>
4837
4838         PR tree-optimization/18308
4839         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
4840         the operands before creating a new expression.
4841         * dojump.c (do_jump): Make drop_through_label available
4842         for all cases.  Add expansion of COND_EXPR.
4843
4844 2005-01-04  Ira Rosen  <irar@il.ibm.com>
4845
4846         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
4847         INTEGER_CST instead of TREE_CONSTANT.
4848         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
4849         instead of TREE_CONSTANT.
4850         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
4851         instead of TREE_CONSTANT.
4852
4853 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4854
4855         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
4856
4857 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
4858
4859         PR target/19240
4860         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
4861         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
4862
4863 2005-01-03  Richard Henderson  <rth@redhat.com>
4864
4865         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
4866         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
4867         fold_convert_const_real_from_real): Split out from ...
4868         (fold_convert_const): ... here.
4869
4870 2005-01-03  Richard Henderson  <rth@redhat.com>
4871
4872         PR target/19235
4873         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
4874         (mov<MMXMODEI>_internal): Likewise.
4875         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
4876         Add V2SF case; use it for SSE1; don't use TI.
4877         (movdf_integer): Likewise.
4878         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
4879
4880 2005-01-03  Ira Rosen  <irar@il.ibm.com>
4881
4882         * tree-vectorizer.c (vect_strip_conversions): New function.
4883         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
4884         check for binary class.
4885
4886 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
4887
4888         Fix PR debug/17924
4889         Fix PR debug/19191
4890         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
4891         is a decl.
4892         * gimple-low.c (mark_blocks_with_used_vars): New function.
4893         (mark_blocks_with_used_subblocks): Ditto.
4894         (mark_used_blocks): Ditto.
4895         (pass_mark_used_blocks): New pass.
4896         * tree-inline.c: Include debug.h.
4897         (expand_call_inline): Call outlining_inline_function here.
4898         * tree-optimize.c (init_tree_optimization_passes): Add
4899         pass_mark_used_blocks.
4900         * tree-pass.h (pass_mark_used_blocks): New.
4901         * Makefile.in (tree-inline.o): Add debug.h dependency.
4902
4903 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
4904
4905         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
4906         VAR_DECLs to have weak_import attribute.
4907
4908         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
4909         'struct ucontext'.
4910
4911 2004-01-03  Steven Bosscher  <stevenb@suse.de>
4912
4913         * passes.c (rest_of_compilation): Don't run regmove if only
4914         flag_expensive_optimizations, require flag_regmove instead.
4915
4916 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4917
4918         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
4919         register "sparc".
4920         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
4921         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4922         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
4923         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
4924
4925 2005-01-03  Richard Henderson  <rth@redhat.com>
4926
4927         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
4928         (ia64_const_ok_for_letter_p): New.
4929         (ia64_const_double_ok_for_letter_p): New.
4930         (ia64_extra_constraint): New.
4931         (ia64_expand_vecint_compare): New.
4932         (ia64_expand_vcondu_v2si): New.
4933         (ia64_expand_vecint_cmov): New.
4934         (ia64_expand_vecint_minmax): New.
4935         (ia64_print_operand): Add 'v'.
4936         (ia64_preferred_reload_class): New.
4937         (ia64_vector_mode_supported_p): New.
4938         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
4939         (PREFERRED_RELOAD_CLASS): Move to function.
4940         (CONST_OK_FOR_LETTER_P): Move to function.
4941         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
4942         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
4943         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
4944         (EXTRA_CONSTRAINT): Move to function.
4945         * config/ia64/ia64.md: Include vect.md.
4946         (itanium_class): Add mmalua.
4947         (type): Handle it.
4948         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
4949         (1b_mmalua): New.
4950         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
4951         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
4952         CONST0_RTX.
4953         (const_int_2bit_operand): New.
4954         (fr_reg_or_0_operand): New.
4955         * config/ia64/ia64-modes.def: Add vector modes.
4956         * config/ia64/ia64-protos.h: Update.
4957         * config/ia64/vect.md: New file.
4958
4959 2005-01-03  Richard Henderson  <rth@redhat.com>
4960
4961         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
4962
4963 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
4964
4965         PR target/19236
4966         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
4967         to SFmode.
4968         (log1pdf2): Change mode of operands[0,1] to DFmode.
4969
4970 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4971
4972         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
4973         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
4974         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
4975         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
4976         SPARC_RELAXED_ORDERING.
4977
4978 2005-01-03  Richard Henderson  <rth@redhat.com>
4979             Uros Bizjak  <uros@kss-loka.si>
4980
4981         PR target/14631
4982         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
4983         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
4984         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
4985         handling.
4986         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
4987         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
4988         const_pow2_1_to_128_operand): New predicates.
4989
4990 2005-01-02  Greg McGary  <greg@mcgary.org>
4991
4992         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
4993         anonymous decls.
4994         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
4995         object.  [ptr_type]: Remove unused variable.
4996         Remember nearest addressable array-element or record-component
4997         when checking bitfield components.  Tolerate empty BIND_EXPR.
4998
4999 2005-01-01  Richard Henderson  <rth@redhat.com>
5000
5001         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5002         that don't narrow the value.  Fail for other conversions.
5003
5004 2005-01-01  Richard Henderson  <rth@redhat.com>
5005
5006         PR c/19031
5007         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5008         * c-lang.c (finish_file): Don't do it here.
5009         * objc/objc-act.c (objc_finish_file): Likewise.
5010
5011         * cgraph.c (decl_assembler_name_equal): New.
5012         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5013         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5014         * cgraph.h (struct cgraph_varpool_node): Add next.
5015         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5016         * varasm.c (assemble_alias): Mark the target as needed.
5017
5018 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5019
5020         PR middle-end/19221
5021         * function.c (get_arg_pointer_save_area): Use entry_of_function
5022         instead of get_insns.
5023
5024 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5025             Andrew Pinski  <pinskia@physics.uc.edu>
5026             James E. Wilson  <wilson@specifixinc.com>
5027
5028         PR rtl-optimization/12092
5029         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5030         is zero.
5031
5032 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5033             Olivier Hainque  <hainque@act-europe.fr>
5034
5035         * tree.c (int_fits_type_p): A narrower type always fits in a
5036         wider one, except for negative values into unsigned types.
5037
5038 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5039
5040         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5041         with the original constant rather than require TREE_OVERFLOW.
5042
5043 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5044
5045         PR middle-end/17544
5046         * c-decl.c (finish_function): If compiling C99, annotate the
5047         compiler generated return with the current file name and line 0.
5048         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5049         the source line is greater than 0.
5050         (remove_bb): Likewise.
5051
5052 See ChangeLog.12 for earlier changes.