gcc/ChangeLog

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