gcc/ChangeLog

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