gcc/ChangeLog

   1 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
   2
   3         PR target/20288
   4         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
   5         (out_movhi_r_mr): Read low byte of volatile MEM first.
   6         (out_movhi_mr_r): Write high byte of volatile MEM first.
   7
   8 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
   9
  10         * cselib.c (reg_values, reg_values_size): Make them static.
  11
  12         * cse.c (cse_reg_info_table): Make it static.
  13
  14         * fold-const.c (fold_unary): Use build1 instead of copy_node.
  15
  16 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
  17
  18         * cse.c (find_best_addr): Use canon_for_address.
  19
  20 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
  21
  22         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
  23         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
  24         SUBREG and MEM, respectively.
  25
  26         * fold-const.c (fold_binary): Use code instead of t.
  27
  28         * fold-const.c (optimize_minmax_comparison): Take decomposed
  29         arguments code, type, op0, and op1 instead of t.
  30         (fold_binary): Update a call to optimize_minmax_comparison.
  31
  32         * fold-const.c (fold_range_test): Take decomposed arguments
  33         code, type, op0, and op1 instead of t.
  34         (fold_binary): Update a call to fold_range_test.
  35
  36         * fold-const.c (fold_binary_op_with_conditional_arg): Take
  37         decomposed arguments code, type, op0, and op1 instead of t.
  38         (fold_binary): Update a call to fold_range_test.
  39
  40 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
  41
  42         * fold-const.c (fold_binary): Avoid directly using the original
  43         expression t as much as possible.
  44
  45 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
  46
  47         * c-semantics.c (build_stmt): Use TYPE_P instead of
  48         IS_NON_TYPE_CODE_CLASS.
  49         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
  50         (NON_TYPE_CHECK): Use TYPE_P instead of
  51         IS_NON_TYPE_CODE_CLASS.
  52
  53         * fold-const.c (fold): Remove handling of binary expressions.
  54
  55 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
  56
  57         * doc/c-tree.texi: Wrap comments in @r{}.
  58         * doc/cpp.texi: Likewise.
  59         * doc/cppinternals.texi: Likewise.
  60         * doc/extend.texi: Likewise.
  61         * doc/md.texi: Likewise.
  62         * doc/objc.texi: Likewise.
  63         * doc/sourcebuild.texi: Likewise.
  64         * doc/tm.texi: Likewise.
  65         * doc/tree-ssa.texi
  66
  67 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
  68
  69         * predict.c (apply_return_prediction): Standardize PHI chain
  70         walking.
  71         * tree-ssa.c (ssa_redirect_edge): Likewise.
  72
  73         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
  74         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
  75         Update copyright.
  76
  77         * tree-phinodes.c (remove_phi_node): Drop the last argument.
  78         * tree-flow.h: Adjust the prototype for remove_phi_node.
  79         * lambda-code.c (perfect_nestify): Adjust a call to
  80         remove_phi_node.
  81         * tree-cfg.c
  82         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
  83         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
  84         Likewise.
  85         * tree-ssa-dce.c (remove_dead_phis): Likewise.
  86         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
  87         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
  88         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
  89
  90         * combine.c (simplify_and_const_int): Use gen_int_mode instead
  91         of GEN_INT (trunc_int_for_mode (...)).
  92         * loop-iv.c (iv_number_of_iterations): Likewise.
  93         * postreload.c (reload_cse_move2add): Likewise.
  94         * simplify-rtx.c (simplify_const_unary_operation,
  95         simplify_const_binary_operation): Likewise.
  96         * stor-layout.c (get_mode_bounds): Likewise.
  97
  98         * fold-const.c (fold_binary): New.
  99         (fold): Call fold_binary on binary expressions.
 100
 101 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
 102
 103         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
 104         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
 105         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
 106         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
 107         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
 108
 109 2005-03-04  Devang Patel  <dpatel@apple.com>
 110
 111         PR tree-optimization/18815
 112         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
 113         loops with zero exit edges.
 114
 115 2005-03-04  Devang Patel  <dpatel@apple.com>
 116
 117         * doc/invoke.texi: Remove reference to webpage that does not exist.
 118
 119 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
 120             Joseph S. Myers  <joseph@codesourcery.com>
 121
 122         PR c++/19797
 123         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
 124         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
 125         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
 126         * pa.c (get_plabel): Change argument to symbol_ref.  Call
 127         maybe_get_identifier instead of get_identifier.
 128         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
 129         (struct deferred_plabel): Replace name field with symbol field.
 130         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
 131         ASM_OUTPUT_EXTERNAL_REAL is defined.
 132         (output_global_address): Use output_addr_const for output of all
 133         symbol_refs.
 134         (output_deferred_plabels): Use symbol_ref instead of name for address
 135         output.
 136         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
 137         ASM_OUTPUT_SYMBOL_REF): New macros.
 138         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
 139         comment.
 140         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
 141         label.
 142
 143 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
 144
 145         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
 146         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
 147
 148 2005-03-04  Jeff Law  <law@redhat.com>
 149
 150         * basic-block.h (rediscover_loops_after_threading): Declare.
 151         * tree-ssa-dom.c: Include cfgloop.h.
 152         (tree_ssa_dominator_optimize): Discover loops and some basic
 153         properties.  Remove forwarder blocks recreated by loop header
 154         canonicalization.  Also mark backedges in the CFG.
 155         * tree-ssa-threadupdate.c: Include cfgloop.h
 156         (rediscover_loops_after_threading): Define.
 157         (struct local_info): New field, JUMP_THREADED.
 158         (prune_undesirable_thread_requests): New function.
 159         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
 160         then record that fact for the callers of redirct_edges.
 161         (thread_block): If BB has incoming backedges, then call
 162         prune_undesirable_thraed_requests.    Note when we are
 163         going to have to rediscover loop information.  Return a
 164         boolean indicating if any jumps were threaded.
 165         (thread_through_all_blocks): Bubble up boolean indicating
 166         if any jumps were threaded.
 167         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
 168         (tree-ssa-threadupdate.o): Similarly.
 169
 170 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 171
 172         * fold-const.c (fold_ternary): Unroll the "for" loop to
 173         extract operands.
 174
 175 2005-03-04  Andrew Haley  <aph@redhat.com>
 176
 177         * unwind-dw2-fde-glibc.c (struct
 178         unw_eh_callback_data.check_cache): New field.
 179         (frame_hdr_cache): New.
 180         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
 181         Cache frame header info.
 182
 183 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
 184
 185         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
 186         (print_c_condition): Declare.
 187         * read-rtl.c (ptr_loc): New structure.
 188         (ptr_locs, ptr_loc_obstack, joined_conditions)
 189         (joined_conditions_obstack): New variables.
 190         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
 191         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
 192         (join_c_conditions, print_c_condition): New functions.
 193         (apply_macro_to_string): Associate the new string with the same
 194         source location as the old one.
 195         (add_condition_to_string): Use join_c_conditions.
 196         (read_string): Use set_rtx_ptr_loc to record a filename and line
 197         number for the string.
 198         (read_rtx): Initialize the new variables above.
 199         * genattrtab.c (write_test_expr, write_attr_value): Use
 200         print_c_condition.
 201         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
 202         comment above the GCC_VERSION check.
 203         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
 204         Inline the definition of MAYBE_EVAL.
 205         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
 206         * genoutput.c (process_template): Likewise.
 207         * genpreds.c (write_predicate_subfunction): Likewise.
 208         (write_predicate_expr): Use print_c_condition.
 209         * genrecog.c (write_cond): Likewise.
 210         * gensupport.c (process_rtx): Use join_c_conditions to join the
 211         conditions of a define_insn_and_split.  Record a source location
 212         for the string after the "&&".
 213         (alter_test_for_insn): Use join_c_conditions.
 214
 215 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
 216
 217         Revert for now:
 218         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
 219         PR tree-optimization/15784
 220         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
 221         and -1 - A to ~A.
 222
 223 2005-03-04  Ben Elliston  <bje@au.ibm.com>
 224
 225         * gcc.c (option_map): Add --coverage.
 226         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
 227         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
 228         * config/darwin.h: Pass -lgcov for `coverage'.
 229         * doc/invoke.texi (Debugging Options): Document --coverage.
 230
 231 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 232
 233         * gcse.c (bypass_block): Use find_edge wherever possible.
 234
 235 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
 236
 237         Fix PR debug/20253
 238
 239         * c-opts.c (c_common_parse_file): Call start_source_file
 240         and end_source_file at the approriate times.
 241
 242         * dwarf2out.c (dwarf2out_finish): Don't auto-end
 243         the main file, it will be done for us now.
 244
 245 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
 246
 247         * fold-const.c (fold_ternary): New.
 248         (fold): Call fold_ternary on ternary expressions.  Remove
 249         handling of ternary expressions.
 250
 251 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
 252
 253         PR tree-optimization/15784
 254         * fold-const.c (fold): Fold ~A + 1 to -1.  Fold -A - 1
 255         and -1 - A to ~A.
 256
 257 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
 258
 259         * config/rs6000/predicates.md (branch_comparison_operator):
 260         Convert from C block to conditional format.
 261
 262 2005-03-03  Jan Hubicka  <jh@suse.cz>
 263
 264         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
 265         and non-constant public variables.
 266
 267 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
 268
 269         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
 270         with LABEL_EXPR.
 271
 272         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
 273         EDGE_I.
 274
 275         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
 276         calls to release_ssa_name and release_phi_node.
 277
 278         * fold-const.c (fold): Remove handling of unary expressions.
 279
 280         * fold-const.c (fold_unary): Avoid directly using the original
 281         expression t as much as possible.
 282
 283 2005-03-03  Roger Sayle  <roger@eyesopen.com>
 284             Andrew Pinski  <pinskia@physics.uc.edu>
 285
 286         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
 287         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
 288
 289 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
 290
 291         Describe special registers SRP and MOF as allocatable registers.
 292         * config/cris/cris.c (cris_md_asm_clobbers): New function.
 293         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
 294         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
 295         TARGET_HAS_MUL_INSNS.
 296         (cris_print_operand) <case 'd'>: New case.
 297         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
 298         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
 299         define.
 300         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
 301         (REG_ALLOC_ORDER): Update for MOF.
 302         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
 303         SPECIAL_REGS.
 304         (GENERAL_REGS): No longer a define of ALL_REGS.
 305         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
 306         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
 307         Adjust accordingly.
 308         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
 309         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
 310         (SECONDARY_RELOAD_CLASS): Define.
 311         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
 312         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
 313         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
 314         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
 315         (REGISTER_MOVE_COST): Define.
 316         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
 317         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
 318         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
 319         (CRIS_MOF_REGNUM): New define_constants.
 320         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
 321         special registers.
 322         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
 323         New patterns.
 324         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
 325         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
 326         Adjust for MOF being properly described as a register.
 327         (indir_to_reg_split): Name this split.  Conditionalize on the
 328         destination register being a general register.
 329         (movei): Conditionalize on on operands 0 and 1 having the same
 330         register class.
 331
 332 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
 333
 334         PR target/20277
 335         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
 336         -mcpu to override any other explicitly given flags.
 337
 338 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
 339
 340         * recog.c (verify_changes, confirm_change_group): New functions,
 341         broken out of apply_change_group.
 342         (apply_change_group): Use them.
 343         * recog.h (verify_change, confirm_change_group): Declare.
 344         * rtl.h (redirect_jump_2): Declare.
 345         * jump.c (redirect_exp, invert_exp): Delete.
 346         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
 347         (redirect_jump_2): New function, broken out of redirect_jump.
 348         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
 349         (invert_jump): Use invert_jump_1 and redirect_jump_2.
 350         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
 351
 352 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
 353
 354         * varasm.c (named_section): Use xstrdup rather than doing it by
 355         hand.
 356
 357         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
 358
 359 2005-03-02  Devang Patel  <dpatel@apple.com>
 360
 361         Undo PR tree-optimization/18815 fix.
 362
 363 2005-03-02  Devang Patel  <dpatel@apple.com>
 364
 365         PR tree-optimization/18815
 366         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
 367         loops with zero exit edges.
 368
 369 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
 370
 371         * cfg.c (connect_src, connect_dest, disconnect_src,
 372         disconnct_dest): New.
 373         (unchecked_make_edge, remove_edge, redirect_edge_succ,
 374         redirect_edge_pred): Use the new functions.
 375
 376         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
 377         free_dominance_info only when needed.
 378
 379 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
 380
 381         PR target/20276
 382         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
 383         (reg_or_sub_cint64_operand): Same.
 384
 385 2005-03-02  Jeff Law  <law@redhat.com>
 386
 387         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
 388         CFG_ALTERED in the main DOM iteration loop.
 389
 390 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
 391
 392         PR c++/19916
 393         * varasm.c (initializer_constant_valid_p): Allow conversions
 394         between OFFSET_TYPEs.  Tidy.
 395
 396 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
 397
 398         * config/cris/cris.md ("return"): Remove epilogue delay list
 399         sanity check.
 400
 401 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
 402
 403         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
 404         for Thumb.
 405         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
 406
 407 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
 408
 409         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
 410         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
 411         config/m68k/m68k.c, config/mips/mips.h,
 412         config/rs6000/rs6000-protos.h, doc/contrib.texi,
 413         doc/include/gcc-common.texi: Update copyright.
 414
 415         PR middle-end/18029 and PR middle-end/18030
 416         * expr.c (optimize_bitfield_assignment_op): Add a special case
 417         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
 418
 419         * fold-const.c (fold_unary): New.
 420         (fold): Call fold_unary on unary expressions.
 421
 422 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
 423
 424         * cgraph.h (struct cgraph_edge): Add prev_caller and
 425         prev_callee fields.
 426         (cgraph_node_remove_callees): Export.
 427         * cgraph.c (cgraph_create_edge): Initialize prev_caller
 428         and prev_callee.
 429         (cgraph_edge_remove_callee): New function.
 430         (cgraph_edge_remove_caller): Likewise.
 431         (cgraph_remove_edge): Use.
 432         (cgraph_redirect_edge_callee): Likewise.
 433         (cgraph_node_remove_callees): New function.
 434         (cgraph_node_remove_callers): Likewise.
 435         (cgraph_remove_node): Use.
 436         * tree-optimize.c (tree_rest_of_compilation): Use
 437         cgraph_node_remove_callees instead of manual loop.
 438         * cgraphunit.c (cgraph_finalize_function): Likewise.
 439         (cgraph_expand_function): Likewise.
 440         (cgraph_remove_unreachable_nodes): Likewise.
 441
 442 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
 443
 444         PR c/8927
 445         * c-tree.h (undeclared_variable, build_external_ref): Add extra
 446         argument.
 447         * c-decl.c (undeclared_variable): Take location as argument.
 448         * c-typeck.c (build_external_ref): Likewise.
 449         * c-parser.c (c_parser_postfix_expression): Pass location of
 450         identifier to build_external_ref.
 451
 452 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
 453
 454         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
 455         CCEQ mode for branch_positive_comparison_operator test.
 456         * config/rs6000/predicates (branch_comparison_operator): Revert to
 457         define_predicate.
 458         (scc_comparison_operator): Same.
 459         (branch_positive_comparison_operator): Same.
 460
 461 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
 462
 463         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
 464         (cris_delay_slots_for_epilogue): Remove.
 465         (save_last): Move into cris_target_asm_function_epilogue.
 466         (cris_target_asm_function_epilogue): Remove tests for file being
 467         NULL.
 468         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
 469         (cris_delay_slots_for_epilogue): Remove prototypes.
 470         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
 471         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
 472
 473 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
 474
 475         * config/rs6000/predicates.md (branch_comparison_operator): Change
 476         to define_special_predicate.
 477         (scc_comparison_operator): Same.
 478         (branch_positive_comparison_operator): Same.
 479
 480 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
 481
 482         * Makefile.in (tree-ssa-sink.o): New.
 483         (OBJS-common): Add tree-ssa-sink.o.
 484         * common.opt: Add -ftree-sink
 485         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
 486         * timevar.def (TV_TREE_SINK): new timevar.
 487         * tree-flow.h (is_hidden_global_store): Prototype.
 488         * tree-optimize.c (init_tree_optimization_passes): Add
 489         pass_sink_code.
 490         * tree-pass.h (pass_sink_code): New.
 491         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
 492         for non-obvious global store store to is_hidden_global_store, and
 493         call that new function.
 494         * tree-ssa-sink.c: New file.
 495         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
 496         * doc/passes.texi: Document forward store motion.
 497         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
 498         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
 499         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
 500         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
 501
 502 2005-03-01  Per Bothner  <per@bothner.com>
 503
 504         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
 505         and we have a non-zero column-number, add it to the message.
 506         Also factor out the diagnostic_kind_text.
 507
 508 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
 509
 510         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
 511         flow_loop_pre_header_scan, flow_loop_pre_header_find,
 512         flow_loop_scan): Removed.
 513         (flow_loop_dump): Do not dump removed fields.
 514         (flow_loop_free): Do not free removed fields.
 515         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
 516         (loop_exit_edge_p): New function.
 517         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
 518         num_pre_header_edges, entry_edges, num_entries, exit_edges,
 519         num_exits, exits_doms.
 520         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
 521         LOOP_EDGES, LOOP_ALL): Removed.
 522         (flow_loop_scan): Declaration removed.
 523         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
 524         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
 525         flow_loops_find.
 526         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
 527         (if_convert): Call flow_loops_find and flow_loops_free
 528         when calling mark_loop_exit_edges.
 529         * cfgloopanal.c (mark_loop_exit_edges): Moved from
 530         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
 531         free_dominance_info calls.
 532         * loop-init.c (flow_loops_find): Ditto.
 533         * passes.c (rest_of_handle_branch_prob): Ditto.
 534         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
 535         * loop-unroll.c (analyze_insns_in_loop): Do not use
 536         EDGE_LOOP_EXIT.
 537         * predict.c (predict_loops): Do not call flow_loop_scan.
 538         Use get_loop_exit_edges.
 539         (tree_estimate_probability): Do not pass flags to flow_loops_find.
 540         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
 541         Do not use EDGE_LOOP_EXIT.
 542         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
 543         to bb_with_exit_edge_p.
 544         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
 545         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
 546         to bb_with_exit_edge_p.
 547         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
 548         EDGE_LOOP_EXIT.
 549         * tree-loop-linear.c (linear_transform_loops): Do not call
 550         flow_loop_scan.  Use loop->single_exit.
 551         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
 552         (vect_analyze_loop_form): Do not call flow_loop_scan.
 553         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
 554         loop->single_exit.
 555         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
 556         loop->single_exit.
 557         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
 558         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 559         slpeel_tree_duplicate_loop_to_edge_cfg,
 560         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
 561         Use loop_preheader_edge and loop->single_exit.  Do not call
 562         flow_loop_scan.
 563
 564 2005-03-01  Nick Clifton  <nickc@redhat.com>
 565
 566         * config/arm/arm.c (thumb_find_work_register): Check all of the
 567         argument registers to see if they are free, and a couple of
 568         special cases where the last argument register but can be proved
 569         to be available during the function's prologue.
 570         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
 571         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
 572         thumb_unexpanded_epilogue): Use unsigned long as the type for the
 573         register bit-mask.
 574         (thumb_compute_save_reg_mask): Likewise.  Also use
 575         thumb_find_work_register() to ensure that there is agreement about
 576         which work register is going to be used in the prologue.
 577         (thumb_output_function_prologue): Use unsigned long as the type
 578         for the register bit-mask.  Also delay pushing the link register if
 579         other high registers are going to be pushed.
 580         (thumb_compute_save_reg_mask, emit_multi_reg_push,
 581         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
 582         redundant prototypes.
 583
 584 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
 585
 586         PR target/19819
 587         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
 588         and after reload in REG+REG indexed addresses without REG_POINTER
 589         set in the base and not set in the index.
 590
 591 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
 592
 593         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 594         Don't undefine here.
 595         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
 596         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
 597         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
 598         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
 599         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
 600         Delete.
 601         * config.gcc (sh*-*-linux*): Use config/linux.h.
 602
 603 2005-02-28  Dale Johannesen  <dalej@apple.com>
 604             Stan Shebs  <shebs@apple.com>
 605
 606         Rewrite of 64-bit Darwin structure-by-value pass/return.
 607         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
 608         intoffset, use_stack, named.
 609         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
 610         (rs6000_darwin64_record_arg_advance_flush):  New.
 611         (rs6000_darwin64_record_arg_advance_recurse): New.
 612         (rs6000_darwin64_record_arg_flush):  New.
 613         (rs6000_darwin64_record_arg_recurse):  New.
 614         (rs6000_darwin64_record_arg):  New.
 615         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
 616         (function_arg_boundary):  Handle 128-bit aligned structs.
 617         (function_arg_advance):  Rewrite darwin64 struct handling.
 618         (function_arg):  Call rs6000_darwin64_record_arg.
 619         (function_arg_partial_nregs):  Handle darwin64 structs.
 620         (rs6000_darwin64_function_value):  Remove.
 621         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
 622
 623 2005-02-28  Roger Sayle  <roger@eyesopen.com>
 624
 625         PR tree-optimization/20216
 626         * tree-chrec.c (tree_fold_factorial): Delete.
 627         (tree_fold_binomial): Change argument list to take a return type
 628         and change the type of K to unsigned int.  Rewrite to avoid explicit
 629         evaluation of factorials, and (recursively) calling fold to perform
 630         compile-time arithmetic.  Return NULL on (internal) overflow.
 631         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
 632         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
 633         if any intermediate calculation overflows.
 634         (chrec_apply): Update call to chrec_evaluate.
 635
 636 2005-02-28  James E Wilson  <wilson@specifixinc.com>
 637
 638         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
 639
 640 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
 641
 642         PR c/20245
 643         * c-parser.c (c_parser_compound_statement): Return error_mark_node
 644         instead of NULL_TREE on error.
 645
 646 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
 647
 648         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
 649         (EASY_VECTOR_15_ADD_SELF): Remove.
 650         (num_insns_constant_wide): Not static.
 651         (validate_condition_mode): Not static.
 652         (toc_relative_expr_p): Not static.
 653         (legitimate_indirect_address_p): Not static.
 654         (macho_lo_sum_memory_operand): Not static.
 655         (invalid_e500_subreg): Not static.
 656         (easy_vector_same): Not static.
 657         (easy_vector_splat_const): Not static.
 658         (RS6000_SYMBOL_REF_TLS_P): Remove.
 659         (any_operand): Delete.
 660         (any_parallel_operand): Delete.
 661         (count_register_operand): Delete.
 662         (altivec_register_operand): Delete.
 663         (xer_operand): Delete.
 664         (s8bit_cint_operand): Delete.
 665         (short_cint_operand): Delete.
 666         (u_short_cint_operand): Delete.
 667         (non_short_cint_operand): Delete.
 668         (exact_log2_cint_operand): Delete.
 669         (gpc_reg_operand): Delete.
 670         (cc_reg_operand): Delete.
 671         (cc_reg_not_cr0_operand): Delete.
 672         (reg_or_short_operand): Delete.
 673         (reg_or_neg_short_operand): Delete.
 674         (reg_or_aligned_short_operand): Delete.
 675         (reg_or_u_short_operand): Delete.
 676         (reg_or_cint_operand): Delete.
 677         (reg_or_arith_cint_operand): Delete.
 678         (reg_or_add_cint64_operand): Delete.
 679         (reg_or_sub_cint64_operand): Delete.
 680         (reg_or_logical_cint_operand): Delete.
 681         (got_operand): Delete.
 682         (got_no_const_operand): Delete.
 683         (easy_fp_constant): Delete.
 684         (easy_vector_constant): Delete.
 685         (easy_vector_constant_add_self): Delete.
 686         (zero_constant): Delete.
 687         (zero_fp_constant): Delete.
 688         (volatile_mem_operand): Delete.
 689         (offsettable_mem_operand): Delete.
 690         (mem_or_easy_const_operand): Delete.
 691         (add_operand): Delete.
 692         (non_add_cint_operand): Delete.
 693         (logical_operand): Delete.
 694         (non_logical_cint_operand): Delete.
 695         (mask_operand): Delete.
 696         (mask_operand_wrap): Delete.
 697         (mask64_operand): Delete.
 698         (mask64_2_operand): Delete.
 699         (and64_operand): Delete.
 700         (and64_2_operand): Delete.
 701         (and_operand): Delete.
 702         (reg_or_mem_operand): Delete.
 703         (lwa_operand): Delete.
 704         (symbol_ref_operand): Delete.
 705         (call_operand): Delete.
 706         (current_file_function_operand): Delete.
 707         (input_operand): Delete.
 708         (rs6000_nonimmediate_operand): Delete.
 709         (rs6000_tls_symbol_ref): Delete.
 710         (save_world_operation): Delete.
 711         (restore_world_operation): Delete.
 712         (load_multiple_operation): Delete.
 713         (store_multiple_operation): Delete.
 714         (vrsave_operation): Delete.
 715         (mfcr_operation): Delete.
 716         (mtcrf_operation): Delete.
 717         (lmw_operation): Delete.
 718         (stmw_operation): Delete.
 719         (branch_comparison_operator): Delete.
 720         (branch_positive_comparison_operator): Delete.
 721         (scc_comparison_operator): Delete.
 722         (trap_comparison_operator): Delete.
 723         (boolean_operator): Delete.
 724         (boolean_or_operator): Delete.
 725         (min_max_operator): Delete.
 726         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
 727         (EASY_VECTOR_15): Moved to here.
 728         (EASY_VECTOR_15_ADD_SELF): Move to here.
 729         (PREDICATE_CODES): Delete.
 730         * config/rs6000/rs6000-protos.h: Delete predicate functions.
 731         Declare functions no longer static.
 732         * config/rs6000/predicates.md: New.
 733         * config/rs6000/rs6000.md: Include predicates.md
 734
 735 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
 736
 737         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
 738         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
 739         REG_ALWAYS_RETURN.
 740         * cfgrtl.c (need_fake_edge_p): Likewise.
 741         * combine.c (distribute_notes): Likewise.
 742         * emit-rtl.c (try_split): Likewise.
 743         * recog.c (peephole2_opimize): Likewise.
 744         * reg-notes.def (ALWAYS_RETURN): Remove.
 745         * rtl.h (LCT_ALWAYS_RETURN): Remove.
 746         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
 747         * tree.h (ECF_ALWAYS_RETURN): Remove.
 748
 749 2005-02-28  Roger Sayle  <roger@eyesopen.com>
 750
 751         PR middle-end/19874
 752         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
 753         between different machine modes is never a "useless" conversion.
 754
 755 2005-02-28  Geert Bosch  <bosch@gnat.com>
 756
 757         PR ada/15977
 758         * doc/contrib.texi: List contributors for Ada front end
 759
 760 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
 761
 762         * simplify-rtx.c (simplify_unary_operation_1,
 763         simplify_const_unary_operation): New, extracted from...
 764         (simplify_unary_operation): ... this one.
 765         (simplify_binary_operation_1,
 766         simplify_const_binary_operation): New, extracted from...
 767         (simplify_binary_operation): ... this one.
 768         * rtl.h (simplify_const_unary_operation,
 769         simplify_const_binary_operation): Add prototypes.
 770
 771 2005-02-28  Julian Brown  <julian@codesourcery.com>
 772
 773         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
 774         building libjava and caused PR regression/20228.
 775
 776 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
 777
 778         PR bootstrap/17383
 779         * Makefile.in (host_subdir): New.
 780         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
 781         * configure: Regenerate.
 782
 783 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
 784
 785         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
 786         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
 787         installation directory first.
 788
 789 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
 790
 791         PR target/19065.
 792         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
 793         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
 794         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
 795         * config/cris/cris.md: Tweak comments referring to Q.
 796         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
 797         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
 798         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
 799         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
 800         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
 801         Insert spaces in constraints to align alternatives vertically for
 802         readability.
 803         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
 804         operand 1: "M".
 805
 806 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 807
 808         PR rtl-optimization/17728
 809         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
 810         operand 0 from general_operand to move_dest_operand.
 811
 812 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 813
 814         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
 815         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
 816         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
 817         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
 818
 819 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
 820
 821         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
 822         * configure: Regenerate.
 823         * libada-mk.in: Remove CC; rename
 824         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
 825
 826 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
 827
 828         PR tree-opt/20188
 829         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
 830         for the lhs, also walk over the tree.  Likewise for rhs.
 831
 832 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
 833
 834         * tree-ssa-dom.c (simple_iv_increment_p): New function.
 835         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
 836         Do not propagate value of iv before increment over the increment.
 837
 838 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
 839
 840         * c-parser.c: New file.
 841         * c-parse.in: Remove.
 842         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
 843         Remove.
 844         (c-parser.o): Add dependencies.
 845         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
 846         maintainer-clean, TAGS): Update.
 847         * c-config-lang.in (gtfiles): Update.
 848         * gengtype-lex.l: Don't handle "@@".
 849         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
 850         objc_build_synchronized, objc_begin_try_stmt,
 851         objc_begin_catch_clause, objc_finish_catch_clause,
 852         objc_build_finally_clause, objc_finish_try_stmt): New.
 853         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
 854         type_seen_p.
 855         (c_parse_init): Update comment.
 856         * c-decl.c (c_init_decl_processing): Update comment.
 857         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
 858         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
 859         new c_declspecs members.
 860
 861 2005-02-25  Julian Brown  <julian@codesourcery.com>
 862
 863         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 864         from being used for symbols with vague linkage when
 865         HAVE_GAS_COMDAT_GROUP is true.
 866
 867 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 868
 869         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
 870
 871 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
 872
 873         PR target/19930
 874         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
 875         (LIBGCC2_HAS_DF_MODE): New.
 876         (LIBGCC2_HAS_XF_MODE): New.
 877         (LIBGCC2_HAS_TF_MODE): New.
 878         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 879         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 880         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 881         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 882         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
 883         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
 884         and add _fixtfdi, _fixunstfdi, _floatditf
 885         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
 886         L_fixunstfdi, L_floatditf.
 887         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
 888         (LIBGCC2_HAS_TF_MODE): Define.
 889
 890 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
 891
 892         PR tree-optimization/20204
 893         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
 894         REWRITE_THIS_STMT markers on PHI nodes.
 895         (rewrite_initialize_block): Likewise.
 896
 897 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 898
 899         * version.c (version_string): Update to 4.1.
 900
 901 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
 902
 903         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
 904         Clarify that the alternative way doesn't work in GNU C++.
 905
 906 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
 907
 908         PR tree-optimization/19937
 909         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
 910         to the type of the induction variable.
 911
 912 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 913
 914         PR rtl-optimization/20117
 915         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
 916         the block including noncopyable insn.
 917
 918 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 919
 920         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
 921         calls to find_reg_note.
 922
 923 2005-02-24  Richard Henderson  <rth@redhat.com>
 924
 925         PR tree-opt/20127
 926         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
 927         the type.
 928
 929 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
 930
 931         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
 932         vector types if to use base reg for misaligned non-word ld/std.
 933
 934 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 935
 936         PR target/14619
 937         * config/cris/cris.c (cris_target_asm_function_prologue): Create
 938         dwarf2 label manually and put it after, not before the prologue.
 939
 940 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
 941
 942         PR target/19019
 943         * reload.c (operands_match_p): Only increment register number for
 944         SCALAR_INT_MODE_P modes in multiple hard registers.
 945
 946         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
 947         Fix formatting.
 948
 949 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 950
 951         * ChangeLog.5: Fix log message typo(s).
 952         * ChangeLog.7: Likewise.
 953         * ChangeLog.tree-ssa: Likewise.
 954         * cfgexpand.c: Fix comment typo(s).
 955         * conflict.c: Likewise.
 956         * defaults.h: Likewise.
 957         * dwarf2out.c: Likewise.
 958         * gcse.c: Likewise.
 959         * ggc-page.c: Likewise.
 960         * tree-eh.c: Likewise.
 961         * tree-ssa-dom.c: Likewise.
 962
 963 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
 964
 965         PR target/19019
 966         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
 967         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
 968         if SHARED is defined.
 969
 970         PR target/20196
 971         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
 972         allow splitting only if operands 0 and 3 don't overlap.
 973
 974 2005-02-24  Richard Henderson  <rth@redhat.com>
 975
 976         PR middle-end/19953
 977         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
 978         (fold_builtin_1): Call them.
 979         * fold-const.c (fold_complex_mult_parts): Split out from ...
 980         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
 981         (fold_complex_div_parts, fold_complex_div): New.
 982         (fold): Use them.
 983         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
 984
 985 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 986
 987         * tree-ssa-ccp.c (visit_assignment): Verify that result of
 988         VIEW_CONVERT_EXPR is_gimple_min_invariant.
 989
 990         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
 991         (print_node): Likewise.
 992         Print TYPE_SIZES_GIMPLIFIED.
 993
 994 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 995
 996         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
 997         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
 998         operands as commutative in constraints.
 999
1000 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
1001
1002         * tree-into-ssa.c: Re-organize internal functions.
1003
1004 2005-02-24  Richard Henderson  <rth@redhat.com>
1005
1006         PR middle-end/18902
1007         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
1008         for c99.
1009         * common.opt (fcx-limited-range): New.
1010         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
1011         * toplev.c (flag_complex_method): Initialize to 1.
1012         (process_options): Set flag_complex_method to 0 if
1013         flag_cx_limited_range.
1014         * doc/invoke.texi (-fcx-limited-range): New.
1015
1016 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
1017
1018         * cse.c (delete_trivially_dead_insns): Speed up by using
1019         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
1020         prev_real_insn.
1021
1022 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
1023
1024         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
1025         functions when -mid-shared-library is being used.
1026
1027 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1028
1029         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
1030         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
1031         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
1032         * system.h: Poison LINK_LIBGCC_SPECIAL.
1033
1034 2005-02-23  James E Wilson  <wilson@specifixinc.com>
1035
1036         * gengtype.c (note_insn_name): Make 1 element larger.
1037
1038 2005-02-23  Roger Sayle  <roger@eyesopen.com>
1039
1040         PR target/20018
1041         PR rtl-optimization/20097
1042         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1043         BImode SUBREGs of SImode registers which confuse the ia64 backend.
1044
1045 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
1046
1047         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
1048         * t-aix52 (SHLIB_INSTALL): Same.
1049
1050 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
1051
1052         * genpreds.c: Update copyright.
1053
1054 2005-02-23  Michael Beach  <michaelb@ieee.org>
1055
1056         PR target/20159
1057         * config/sparc/t-elf (startup files): Assemble with CPP.
1058
1059 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
1060
1061         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
1062         (write_predicate_expr): Likewise.
1063
1064 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1065
1066         PR tree-optimization/20100
1067         PR tree-optimization/20115
1068         * tree-optimize.c (init_tree_optimization_passes): Remove
1069         pass_maybe_create_global_var.
1070         * tree-pass.h (pass_maybe_create_global_var): Remove.
1071         * tree-ssa-alias.c (aliases_computed_p): Declare.
1072         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
1073         (count_calls_and_maybe_create_global_var): Remove.
1074         (pass_maybe_create_global_var): Remove.
1075         (init_alias_info): Do not declare aliases_computed_p.
1076         (maybe_create_global_var): If the function contains no
1077         call-clobbered variables and a mix of pure/const and regular
1078         function calls, create .GLOBAL_VAR.
1079         Mark all call-clobbered variables for renaming.
1080         (merge_pointed_to_info): Update comment.
1081         (add_pointed_to_var): Likewise.
1082         (is_escape_site): Likewise.
1083         Accept struct alias_info * instead of size_t *.
1084         Update all users.
1085         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
1086         as necessary.
1087         * tree-ssa-operands.c (get_call_expr_operands): If
1088         ALIASES_COMPUTED_P is false, do not add call-clobbering
1089         operands.
1090         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
1091         (delete_tree_ssa): Likewise.
1092
1093 2005-02-22  James E Wilson  <wilson@specifixinc.com>
1094
1095         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
1096         (do_compile): Do call it here.
1097
1098 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1099
1100         PR rtl-optimization/20017.
1101         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
1102         rest_of_handle_cse2, rest_of_handle_gcse): Call
1103         delete_dead_jumptables immediately before calling cleanup_cfg.
1104
1105 2005-02-22  Devang Patel  <dpatel@apple.com>
1106
1107         PR 19952
1108         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
1109         all labels
1110
1111 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
1112
1113         * config/rs6000/aix.h (WINT_TYPE): Define.
1114
1115 2005-02-22  Stan Shebs  <shebs@apple.com>
1116
1117         * config/rs6000/rs6000.c (rs6000_override_options): Default to
1118         natural alignment for 64-bit Darwin.
1119         (rs6000_parse_alignment_option): Warn about uses of -malign-power
1120         on 64-bit Darwin.
1121         * doc/invoke.texi: Document this.
1122
1123 2005-02-22  DJ Delorie  <dj@redhat.com>
1124
1125         * c-common.c (c_common_type_for_mode): Pass the mode's precision
1126         to make_[un]signed_type, not the mode itself.
1127
1128 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
1129
1130         * cfg.c (cached_make_edge): Call make_edge if edge cache is
1131         not available.  Use tail calls wherever possible.
1132         (make_edge): Call unchecked_make_edge to create an edge.
1133
1134         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
1135         (coalesce_ssa_name): Don't check for
1136         SSANORM_USE_COALESCE_LIST.
1137         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
1138
1139 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
1140
1141         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
1142         (rewrite_into_ssa): ... here.
1143
1144 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
1145
1146         PR tree-optimization/19786
1147         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
1148         tag to another's may-alias bitmap when adding to the other's list.
1149
1150 2005-02-21  DJ Delorie  <dj@redhat.com>
1151
1152         * tree-ssa-loop-ivopts.c (computation_cost): Start register
1153         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
1154         registers in unsupported ways.
1155         * expmed.c (init_expmed): Likewise.
1156
1157 2005-02-21  Stan Cox  <scox@redhat.com>
1158
1159         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
1160
1161 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1162
1163         * tree-cfg.c (fold_cond_expr_cond): New.
1164         (make_edges): Call fold_cond_expr_cond.
1165         (find_taken_edge): Accept nothing but INTEGER_CST.
1166         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
1167         and 1.
1168         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
1169
1170         * flow.c (delete_dead_jumptables): Speed up by scanning insns
1171         that do not belong to any basic block.
1172
1173 2005-02-21  Jeff Law  <law@redhat.com>
1174
1175         * cfganal.c (find_unreachable_blocks): Manually CSE load of
1176         e->dest.
1177
1178 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
1179
1180         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
1181         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
1182         Adjust their definitions.
1183         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
1184         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
1185
1186         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
1187         genautomata.c, langhooks.c, langhooks.h, system.h,
1188         config/arm/lib1funcs.asm: Update copyright.
1189
1190 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1191
1192         * dbxout.c (dbxout_function_end): Emit Lscope label always.
1193
1194 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
1195
1196         PR bootstrap/13770
1197         * doc/install.texi: Document --with-gc.
1198
1199 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
1200
1201         * simplify-rtx.c (simplify_unary_operation): Add a missing
1202         "break" statement.
1203
1204 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1205
1206         PR tree-optimization/18663
1207         * tree-ssa-dom.c (extract_range_from_cond): Return 0
1208         if the type has variable bounds.
1209
1210 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
1211
1212         * gcse.c: Remove an obsolete comment.
1213
1214         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
1215
1216 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
1217
1218         * doc/extend.texi (Function Attributes) <Attribute const>: The
1219         attribute "pure" is below this text, not above.
1220
1221 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1222
1223         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
1224         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
1225         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
1226
1227 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
1228
1229         PR 18785
1230         * langhooks.h (struct lang_hooks): Add to_target_charset.
1231         * langhooks.c (lhd_to_target_charset): New function.
1232         * langhooks-def.h: Declare lhd_to_target_charset.
1233         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
1234         (LANG_HOOKS_INITIALIZER): Update.
1235         * c-common.c (c_common_to_target_charset): New function.
1236         * c-common.h: Declare it.
1237         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
1238         c_common_to_target_charset.
1239
1240         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
1241         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
1242         Delete definitions.
1243         * system.h: Poison them.
1244         * doc/tm.texi: Don't discuss them.
1245         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
1246         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
1247         (pp_c_char): Do not attempt to generate letter escapes for
1248         newline, tab, etc.
1249         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
1250         * config/mips/mips.c (mips_output_ascii): Likewise.
1251
1252 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
1253
1254         PR tree-optimization/19951
1255         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
1256         is abnormal.
1257
1258 2005-02-19  Steven Bosscher  <stevenb@suse.de>
1259
1260         PR middle-end/19698
1261         * function.h (struct function): New field `max_loop_depth'.
1262         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
1263         (flow_loops_find): Reset the max loop depth count before finding loops.
1264         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
1265         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
1266         (calculate_global_regs_live): Make sure the loop will terminate
1267         when the initial sets are not empty.
1268
1269 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
1270
1271         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
1272         object inside.
1273         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
1274
1275 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
1276
1277         PR other/19525
1278         * doc/invoke.texi: Remove documentation of %M spec.
1279         * gcc.c: Likewise.
1280         (init_spec): Remove %M suffix from -lgcc_s.
1281         (do_spec_1): Remove 'M' case.
1282         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
1283         to put shared libraries in the multilib directory.  Remove the
1284         shlib_so_soname substitution variable.  Don't add a multilib encoding
1285         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
1286         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
1287         SHLIB_INSTALL as well as SHLIB_LINK.
1288         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
1289         (SHLIB_NAME): Delete.
1290         (SHLIB_DIR): New macro.
1291         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
1292         (SHLIB_INSTALL): Adjust accordingly.
1293         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
1294         * config/t-slibgcc-sld: Likewise.
1295         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
1296         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
1297         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
1298         in $(SHLIB_DIR).
1299         (SHLIBUNWIND_INSTALL): Adjust accordingly.
1300         * config/i386/t-nwld (SHLIB_SONAME): Delete.
1301         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
1302         Use @shlib_base_name@ instead of @shlib_so_name@.
1303         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
1304         and @shlib_base_name@.so in @multilib_dir@.
1305         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
1306         to the install path.
1307         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
1308         (SHLIB_LINK): Remove previous workaround.
1309         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
1310         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
1311         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
1312         the install path.
1313         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
1314         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
1315         (SHLIB_INSTALL): Adjust accordingly.
1316         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
1317         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
1318         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
1319         config/t-slibgcc-elf-ver.
1320
1321 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
1322             Jakub Jelinek  <jakub@redhat.com>
1323
1324         PR tree-optimization/19828
1325         * tree-ssa-loop-im.c: Add a TODO comment.
1326         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
1327         without side-effects.
1328
1329 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1330
1331         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
1332         call fold_convert.
1333
1334 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
1335
1336         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
1337         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
1338         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
1339         functions.
1340         (ia64_reorg): Delete fixup_errata call.
1341         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
1342         (TARGET_SWITCHES): Delete -mb-step entry.
1343
1344 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
1345
1346         PR c/20043
1347         * c-typeck.c (composite_type): Handle quals in transparent unions.
1348         (type_lists_compatible_p): Likewise.
1349
1350 2005-02-18  Stan Shebs  <shebs@apple.com>
1351
1352         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
1353         expressions in the .literal8 section.
1354
1355 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
1356
1357         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
1358
1359 2005-02-18  Roger Sayle  <roger@eyesopen.com>
1360
1361         * fold-const.c (constant_boolean_node): Always create values of the
1362         specified type, don't bother calling truthvalue_conversion.
1363
1364 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1365
1366         * except.c (output_function_exception_table): Call
1367         assemble_external_libcall (eh_personality_libfunc).
1368
1369 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1370
1371         PR target/19886
1372         * config/ia64/ia64.h (struct machine_function): Add state_num.
1373         * config/ia64/ia64.c (process_epilogue,
1374         process_for_unwind_directive): Use new unwind state numbers each
1375         time rather than state 1.
1376
1377 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1378
1379         PR target/20054
1380         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1381         before the "*llgt_didi" pattern.
1382
1383 2005-02-18  Jason Merrill  <jason@redhat.com>
1384
1385         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1386
1387 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1388
1389         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1390         (div0): Use it in place of ARM_FUNC_ALIAS.
1391         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1392
1393 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1394
1395         PR middle-end/20030
1396         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1397         access, the lower bound of the array type if it exists.
1398
1399 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1400
1401         PR c++/20008
1402         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1403         cases that are out-of-range for the index type.
1404
1405 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1406
1407         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1408         (estimate_case_costs): Don't call convert.
1409         * expmed.c (expand_shift): Likewise.
1410         (make_tree): Call fold_convert instead of convert.
1411
1412 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1413
1414         PR c++/19813
1415         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1416         that ref to be marked MEM_READONLY_P doesn't have base that needs
1417         constructing.
1418
1419 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1420
1421         * genautomata.c (output_get_cpu_unit_code_func,
1422         output_cpu_unit_reservation_p): Don't generate old-style function
1423         definitions.
1424
1425 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1426
1427         PR c++/20023
1428         PR tree-optimization/20009
1429         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1430
1431         PR tree-optimization/18947
1432         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1433         inline, remove all nodes that are inlined into the extern inline
1434         being redefined.
1435
1436 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1437
1438         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1439         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1440         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1441         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1442         Update copyright.
1443
1444 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1445
1446         PR tree-optimization/19917
1447         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1448         to be potentially trapping.
1449
1450 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1451
1452         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1453
1454 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1455
1456         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1457         tem becomes a local variable which is set to the value of the
1458         back end defined INITIAL_FRAME_ADDRESS macro.
1459         (expand_builtin_frame_address): Omit the base parameter to
1460         expand_builtin_return_addr.
1461         (expand_builtin_profile_func): Likewise.
1462         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1463         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1464         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1465
1466 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1467
1468         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1469         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1470         * config/frv/frv.c (frv_function_epilogue): Likewise.
1471
1472 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1473
1474         * lambda-code (perfect_nestify): Remove mark/unmark
1475         for rewriting hack.
1476         * tree-loop-linear.c (linear_transform_loops): Add
1477         rewrite_into_ssa call so that ssa is correct for
1478         rewriting into loop closed.
1479
1480 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1481
1482         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1483         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1484         BITMAP_FREE.
1485         * bt-load.c (btr_def_live_range, combine_btr_defs,
1486         migrate_btr_def, migrate_btr_defs): Likewise.
1487         * cfgcleanup.c (thread_jump): Likewise.
1488         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1489         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1490         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1491         df_rd_local_compute, df_reg_info_compute): Likewise.
1492         * dominance.c (init_dom_info, free_dom_info): Likewise.
1493         * flow.c (init_propagate_block_info,
1494         free_propagate_block_info): Likewise.
1495         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1496         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1497         modify_reg_pav): Likewise.
1498         * loop-invariant.c (find_defs, find_invariant_insn,
1499         find_invariants, free_inv_motion_data): Likewise.
1500         * predict.c (tree_predict_by_opcode,
1501         estimate_bb_frequencies): Likewise.
1502         * stmt.c (expand_case): Likewise.
1503         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1504         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1505         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1506         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1507         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1508         rewrite_ssa_into_ssa): Likewise.
1509         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1510         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1511         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1512         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1513         * tree-sra.c (tree_sra): Likewise.
1514         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1515         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1516         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1517         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1518         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1519         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1520         Likewise.
1521         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1522         calculate_live_on_entry, calculate_live_on_exit,
1523         build_tree_conflict_graph): Likewise.
1524         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1525         record_important_candidates, set_use_iv_cost, find_depends,
1526         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1527         tree_ssa_iv_optimize_finalize): Likewise.
1528         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1529         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1530         tree_duplicate_loop_to_header_edge): Likewise.
1531         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1532         * tree-ssa.c (verify_flow_insensitive_alias_info,
1533         verify_name_tags, verify_ssa, init_tree_ssa,
1534         delete_tree_ssa): Likewise.
1535         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1536         fini_ssanames): Likewise.
1537         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1538
1539 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1540
1541         * config/rs6000/t-rtems: Completely reworked.
1542
1543 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1544
1545         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1546
1547 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1548
1549         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1550         POINTER_TYPE_P when checking that type is a pointer.
1551         (vect_get_memtag): Remove.
1552         (vect_address_analysis): Use POINTER_TYPE_P. Call
1553         vect_object_analysis with dummy parameter for memtag.
1554         (vect_object_analysis): Extract memtag (functionality that
1555         used to be in vect_get_memtag and moved here). Fix printings.
1556         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1557         with correct parameters. Remove call to vect_get_memtag.
1558
1559 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1560
1561         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1562         (tree-vectorizer.o): Added missing dependencies.
1563
1564         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1565         decleration.
1566         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1567         declaration in tree-vectorizer.c, now has an extern declaration in
1568         tree-vectorizer.h).
1569         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1570         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1571         get_vectype_for_scalar_type, vect_is_simple_use,
1572         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1573         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1574         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1575         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1576         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1577         find_loop_location): Likewise.
1578
1579         * tree-vectorizer.c (langhooks.h): #include removed.
1580         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1581         moved to tree-vectorized.h.
1582         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1583         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1584         get_vectype_for_scalar_type, vect_is_simple_use,
1585         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1586         vect_supportable_dr_alignment, new_loop_vec_info,
1587         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1588         vect_set_verbosity_level, find_loop_location): Likewise.
1589
1590         (vect_analyze_loop): Function externalized. Declaration moved to
1591         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1592         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1593         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1594         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1595         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1596         vect_enhance_data_refs_alignment, vect_analyze_operations,
1597         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1598         vect_stmt_relevant_p, vect_get_loop_niters,
1599         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1600         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1601         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1602         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1603         vect_get_memtag): Likewise.
1604
1605         (vectorizable_load): Function externalized. Declaration moved to
1606         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1607         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1608         vect_transform_loop): Likewise.
1609         (vect_transform_stmt): Moved to tree-vect-transform.c.
1610         (vect_align_data_ref, vect_create_destination_var,
1611         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1612         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1613         vect_get_vec_def_for_operand, vect_init_vector,
1614         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1615         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1616         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1617         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1618         vect_do_peeling_for_loop_bound): Likewise.
1619
1620         * tree-vect-analyze.c: New file.
1621         * tree-vect-transform.c: New file.
1622
1623 2005-02-17  Jason Merrill  <jason@redhat.com>
1624
1625         PR mudflap/19319, c++/19317
1626         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1627         slot explicit.
1628
1629 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1630
1631         * doc/install.texi (Specific): Update link for Darwin-specific
1632         tool binary site.
1633
1634 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1635
1636         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1637         constant_boolean_node.
1638
1639 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1640
1641         PR target/19019
1642         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1643         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1644
1645 2005-02-16  Richard Henderson  <rth@redhat.com>
1646
1647         PR 19920
1648         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1649         with W_TYPE_SIZE.
1650         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1651         replace uses with Wtype_MAXp1_F.
1652         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1653         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1654         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1655         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1656         and HAVE_TFMODE as appropriate.
1657         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1658         (__floatdisf): Likewise.
1659         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1660         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1661         (Wtype_MAXp1_F): New.
1662         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1663         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1664
1665 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1666
1667         * PR target/19162
1668         * arm.c (arm_apply_result_size): New function.
1669         * arm.h (APPLY_RESULT_SIZE): Define.
1670         * arm-protos.h (arm_apply_result_size): Add prototype.
1671         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1672         (movxf): New expand.
1673         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1674         (call_value_symbol): Remove predicate for operand 0.
1675         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1676         (untyped_call): Rework to correclty return values for any type.
1677         (untyped_return): New expand.
1678         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1679
1680 2005-02-16  Stan Shebs  <shebs@apple.com>
1681
1682         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1683         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1684
1685 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1686
1687         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1688         configure settings on Solaris 7 and later.
1689
1690 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1691
1692         PR tree-optimization/19865
1693         * tree-optimize.c (init_tree_optimization_passes): Run
1694         pass_may_alias after pass_sra.
1695
1696 2005-02-16  Richard Henderson  <rth@redhat.com>
1697             Stuart Hastings  <stuart@apple.com>
1698
1699         PR debug/19521
1700         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1701         Do nothing if debug info suppressed for this function.
1702         (dbxout_begin_function): Early exit if debug info suppressed for
1703         this function.
1704
1705 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1706
1707         PR target/20007
1708         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1709         find_basic_blocks.
1710         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1711
1712         PR tree-optimization/19967
1713         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1714         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1715         argument TYPE.  Adjust calls to fold_builtin_XXX.
1716         (expand_builtin, fold_builtin_1): Adjust calls to
1717         expand_builtin_XXX.
1718         (fold_builtin_strchr, fold_builtin_strpbrk,
1719         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1720         result to a requested type TYPE.
1721
1722 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1723
1724         PR middle-end/19857
1725         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1726         (T)x & (T)cst if (T)cst overflows.
1727         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1728         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1729
1730 2005-02-15  Jeff Law  <law@redhat.com>
1731
1732         * gcse.c (blocks_with_calls): New bitmap.
1733         (alloc_gcse_mem): Allocate it.
1734         (free_gcse_mem): Free it.
1735         (clear_modifY_mem_tables): Clear it.
1736         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1737         when we encounter CALL_INSNs.
1738         (compute_transp, case MEM): Handle blocks with calls separate
1739         from blocks without calls.  Use bitmap iterators rather than
1740         FOR_EACH_BB.
1741
1742 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1743
1744         PR bootstrap/18810
1745         * mklibgcc.in (vis_hide): Use a temporary object file, not
1746         -o /dev/null.
1747
1748 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1749
1750         PR target/19924
1751         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1752         access optimization.
1753
1754 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1755             Alan Modra  <amodra@bigpond.net.au>
1756
1757         PR target/19019
1758         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1759         (_xlqsub): Rename to __gcc_qsub.
1760         (_xlqmul): Rename to __gcc_qmul.
1761         (_xlqdiv): Rename to __gcc_qdiv.
1762         Provide versioned symbol aliases with old names.
1763         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1764         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1765         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1766         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1767         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1768
1769 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1770
1771         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1772         Fold ~(A - 1) and ~(A + -1) to -A.
1773
1774 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1775
1776         PR pch/14940
1777         PR target/19300
1778         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1779         config/pa/pa-host.c:pa_gt_pch_use_address.
1780
1781 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1782
1783         * tree-vn.c (get_value_handle): Make sure that given an
1784         is_gimple_min_invariant expression, we always return it.
1785
1786 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1787
1788         * passes.c (rest_of_handle_gcse): Fix a comment.
1789
1790 2005-02-15  Jeff Law  <law@redhat.com>
1791
1792         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1793         bitmap.
1794         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1795         (canon_list_insert, record_last_mem_set_info): Similarly.
1796         (clear_modify_mem_tables): Similarly.
1797
1798 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1799
1800         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1801         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1802         config/mips/mips.md, config/rs6000/aix.h,
1803         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1804
1805 2005-02-15  Richard Henderson  <rth@redhat.com>
1806
1807         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1808         call to be best_edge.
1809
1810 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1811
1812         * basic-block.h: Adjust the prototype for find_basic_blocks.
1813         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1814         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1815         find_basic_blocks.
1816
1817         * flow.c (recompute_reg_usage): Remove all arguments.
1818         * passes.c (rest_of_compilation): Adjust the call to
1819         recompute_reg_usage.
1820         * rtl.h: Adjust the prototype for recompute_reg_usage.
1821
1822 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1823
1824         * tree-dump.c (dump_files): Update to reflect new member
1825         of dump_file_info.
1826         (dump_register): Add new argument.
1827         Set glob name.
1828         (dump_switch_p_1): Check against glob name if doglob was passed.
1829         (dump_switch_p): Check against regular first, then glob if
1830         we didn't have any hits on the dump name.
1831         * tree-optimize.c (register_one_dump_file):
1832         Pass in glob name as well.
1833         * tree-pass.h (struct dump_file_info): Add glob
1834         member.
1835
1836 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1837
1838         PR preprocessor/16323
1839         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1840
1841 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1842
1843         PR target/19019
1844         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1845         (trunctfdf2_internal1): New.
1846         (trunctfdf2_internal2): Renamed from trunctfdf2.
1847
1848 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1849
1850         PR tree-optimization/19853
1851         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1852
1853 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1854
1855         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1856         delete_dead_jumptables and cleanup_cfg.
1857
1858 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1859
1860         * reload.c (find_reloads): Swap address_reloaded flags when
1861         swapping commutative operands.
1862
1863 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1864
1865         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1866         Use standard_iv_increment_position for computing the bsi position
1867         for create_iv.
1868         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1869         the bsi position.
1870
1871 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1872
1873         PR target/17428
1874         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1875         life range of hard registers.
1876         * value-prof.c (insn_prefetch_values_to_profile): Only
1877         scan normal insns.
1878
1879         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1880         profile in libcalls.
1881
1882 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1883
1884         * bitmap.h (bitmap_and_compl_into): Return bool.
1885         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1886
1887 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1888
1889         PR tree-optimization/19944
1890         * fold-const.c (fold): Re-add ABS_EXPR folding.
1891
1892 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1893
1894         PR target/19019
1895         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1896         {TARGET,MASK}_XL_COMPAT.
1897         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1898         MASK_XL_COMPAT.
1899         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1900         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1901         TARGET_XL_COMPAT.
1902         (rs6000_arg_partial_bytes): Same.
1903         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1904         and XL compatibility enabled.
1905         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1906         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1907         test to final condition.
1908         (cmptf_internal2): New.
1909         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1910         xl-compat.  Add TFmode information to description.
1911
1912 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1913
1914         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1915
1916 2005-02-13  Jason Merrill  <jason@redhat.com>
1917
1918         PR c++/16405
1919         * fold-const.c (fold_indirect_ref_1): Split out from...
1920         (build_fold_indirect_ref): Here.
1921         (fold_indirect_ref): New fn.
1922         * tree.h: Declare it.
1923         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1924         (gimplify_modify_expr_rhs): Likewise.
1925         (gimplify_expr): Likewise.
1926
1927 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1928
1929         PR tree-optimization/14303
1930         PR tree-optimization/15784
1931         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1932         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1933         ABS_EXPR<x> != 0 to x != 0.
1934
1935 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1936
1937         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1938         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1939         spelling conventions.
1940
1941         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1942         delete_trivially_dead_insns too many times.
1943
1944         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1945         tem and tem2.
1946
1947 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1948
1949         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1950         (vect_is_simple_iv_evolution): Remove redundant parameter
1951         and step check.
1952         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1953         without last parameter.
1954         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1955         Return pointer step. Call vect_is_simple_iv_evolution without
1956         last parameter. Check only that the step is multiple of size
1957         type. Remove stmt_vinfo updates.
1958         (vect_get_memtag_and_dr): Remove.
1959         (vect_get_memtag): New function.
1960         (vect_address_analysis): New function.
1961         (vect_object_analysis): New function.
1962         (vect_analyze_data_refs): Call vect_object_analysis and
1963         vect_get_memtag. Update stmt_vinfo fields.
1964
1965 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1966
1967         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1968         exist and are objects. Remove checks for pointer.
1969         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1970         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1971         (vect_create_data_ref_ptr): Likewise.
1972         (vect_base_addr_differ_p): New function.
1973         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1974         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1975         Don't set the DR_BASE_NAME field of data-ref.
1976         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1977
1978 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1979
1980         * optabs.h (enum optab_index): Add new OTI_ldexp.
1981         (ldexp_optab): Define corresponding macro.
1982         * optabs.c (init_optabs): Initialize ldexp_optab.
1983         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1984         patterns.
1985         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1986         using ldexp_optab.
1987         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1988         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1989
1990         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1991         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1992         intrinsics.
1993
1994 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1995
1996         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1997         to base_address.
1998         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1999         stmt_vec_info.
2000         (vect_get_base_and_offset): Always return an address.
2001         (vect_create_addr_base_for_vector_ref): Remove treatment for
2002         different data reference types.
2003         (vect_compute_data_ref_alignment): Rename base to base_address in
2004         stmt_vec_info. Get the object in order to force its alignment.
2005         (vect_get_memtag_and_dr): Rename base to base_address in
2006         stmt_vec_info. Extract the object for memtag analysis.
2007
2008 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
2009
2010         PR regression/19898.
2011         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
2012         changes cc_status, use apply modified_in_p to part of cc_status
2013         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
2014         body.
2015
2016 2005-02-11  Richard Henderson  <rth@redhat.com>
2017
2018         * tree-complex.c (expand_complex_libcall): New.
2019         (expand_complex_multiplication): Use it for c99 compliance.
2020         (expand_complex_division): Likewise.
2021         * fold-const.c (fold_complex_add, fold_complex_mult): New.
2022         (fold): Call them.
2023         * builtins.c (built_in_names): Remove const.
2024         * tree.c (build_common_builtin_nodes): Build complex arithmetic
2025         builtins.
2026         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
2027         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
2028         (built_in_names): Remove const.
2029         * c-common.c (c_common_type_for_mode): Handle complex modes.
2030         * flags.h, toplev.c (flag_complex_method): Rename from
2031         flag_complex_divide_method.
2032         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
2033         __mulsc3, __muldc3, __mulxc3, __multc3): New.
2034         * libgcc2.h: Declare them.
2035         * libgcc-std.ver: Export them.
2036         * mklibgcc.in (lib2funcs): Build them.
2037
2038 2005-02-11  Steven Bosscher  <stevenb@suse.de>
2039
2040         PR tree-optimization/19876
2041         Partially revert my change from 2005-01-14
2042         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
2043         (compute_antic): ...and remove the loop here.
2044
2045 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
2046
2047         PR middle-end/19858
2048         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
2049         is number of inner's bits, avoid creating a BIT_FIELD_REF.
2050
2051         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
2052         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
2053
2054 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
2055
2056         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2057         offsets for the big-endian 32-bit case.
2058
2059 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
2060
2061         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2062
2063 2005-02-11  Dale Johannesen  <dalej@apple.com>
2064
2065         * cselib.c (cselib_process_insn):  Clear out regs where
2066         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
2067         * reload.c (find_equiv_reg): Ditto.
2068
2069 2005-02-11  Ian Lance Taylor  <ian@airs.com>
2070
2071         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
2072         with no elements.
2073
2074         * tree.c (build_function_type_list): Work correctly if there are
2075         no arguments.
2076
2077 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
2078
2079         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
2080         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
2081         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
2082         TARGET_ZARCH instead of TARGET_64BIT.
2083
2084 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
2085
2086         * config/rs6000/t-rtems:
2087         (MULTILIB_OPTIONS): Remove mcpu=602.
2088         (MUTLILIB_DIRNAMES): Remove m602.
2089         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
2090         Let mcpu=602 match mcpu=603.
2091         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
2092
2093 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2094
2095         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
2096         signal trampolines.
2097
2098 2005-02-10  David Daney  <ddaney@avtrex.com>
2099
2100         * config/alpha/linux-unwind.h: Add exception clause to copyright.
2101         * config/i386/linux-unwind.h: Likewise.
2102         * config/ia64/linux-unwind.h: Likewise.
2103         * config/mips/linux-unwind.h: Likewise.
2104         * config/pa/linux-unwind.h: Likewise.
2105         * config/rs6000/linux-unwind.h: Likewise.
2106         * config/s390/linux-unwind.h: Likewise.
2107         * config/sh/linux-unwind.h: Likewise.
2108         * config/sparc/linux-unwind.h: Likewise.
2109
2110 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2111
2112         PR tree-optimization/17549
2113         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
2114         TER to replace a DEF with its expression if the DEF and the
2115         rhs of the expression we replace into have the same root
2116         variable.
2117
2118 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
2119
2120         * config/mips/mips.md: Fix the placement of the match_scratch in the
2121         lea64 peephole2.
2122
2123 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2124
2125         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
2126         Fix comment typos.
2127
2128 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
2129
2130         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
2131         (strip_offset): Handle addresses.
2132         (add_address_candidates): Use strip_offset.
2133         (difference_cost): Reflect strip_offset change.
2134         (force_var_cost, difference_cost): Strip nops.
2135
2136 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
2137
2138         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
2139
2140         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
2141         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
2142         config/cris/cris-protos.h, config/cris/cris.c: Update
2143         copyright.
2144
2145 2005-02-10  Jeff Law  <law@redhat.com>
2146
2147         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
2148         (lookup_avail_expr): Similarly.
2149
2150 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
2151
2152         * builtins.c (fold_builtin_powi): New function.
2153         (fold_builtin_1): Call it.
2154
2155 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2156
2157         PR documentation/19309
2158         * doc/cpp.texi: The __GNUC__ and related predefined macros
2159         are also defined for the "standalone" cpp.
2160         Some non-GCC compilers may also define __GNUC__.
2161
2162 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
2163
2164         PR c/19342
2165         * c-typeck.c (common_type): New routine.  Old common_type renamed
2166         to...
2167         (c_common_type): ...this.
2168         (build_conditional_expr, build_binary_op): Use c_common_type instead
2169         of common_type.
2170
2171 2005-02-10  Steven Bosscher  <stevenb@suse.de>
2172
2173         * doc/md.texi: Replace @samp{length} with @code{length}.
2174
2175 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2176
2177         PR tree-optimization/18687
2178         * tree-flow.h (find_loop_niter): Declare.
2179         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2180         Try using scev even for loops with more than one exit.
2181         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
2182         (struct ivopts_data): Added niters field.
2183         (struct nfe_cache_elt): New.
2184         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
2185         functions.
2186         (tree_ssa_iv_optimize_init): Initialize niters cache.
2187         (determine_number_of_iterations): Removed.
2188         (find_induction_variables): Do not call determine_number_of_iterations.
2189         Access niters for single exit through niter_for_single_dom_exit.
2190         (add_iv_outer_candidates): Access niters for single exit through
2191         niter_for_single_dom_exit.
2192         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
2193         number_of_iterations_cond.
2194         (iv_period): New function.
2195         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
2196         (may_replace_final_value): Take data argument.  Use
2197         niter_for_single_dom_exit.
2198         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
2199         (rewrite_use_compare): Pass data to may_eliminate_iv.
2200         (rewrite_use_outer): Pass data to may_replace_final_value.
2201         (free_loop_data): Clean up the niters cache.
2202         (tree_ssa_iv_optimize_finalize): Free the niters cache.
2203         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
2204         * tree-ssa-loop-niter.c (find_loop_niter): New function.
2205         (find_loop_niter_by_eval): Use tree_int_cst_lt.
2206         (num_ending_zeros): Moved to tree.c.
2207         * tree.h (num_ending_zeros): Declare.
2208         * tree.c (num_ending_zeros): Moved from tree.c.
2209
2210 2005-02-09  Richard Henderson  <rth@redhat.com>
2211
2212         * builtins.c (DEF_BUILTIN): Add COND argument.
2213         * tree.h (DEF_BUILTIN): Likewise.
2214         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
2215         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
2216         match.
2217         (DEF_BUILTIN_STUB): New.
2218         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
2219         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
2220         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
2221         * c-common.c (DEF_BUILTIN): Add COND argument.
2222         * tree.c (local_define_builtin): New.
2223         (build_common_builtin_nodes): New.
2224
2225 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2226
2227         * fold-const.c (fold_strip_sign_ops): New function to simplify a
2228         floating point expression ignoring the sign of the result.
2229         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
2230         (fold) <MULT_EXPR>: Use it to simplify x*x.
2231         * tree.h (fold_strip_sign_ops): Prototype here.
2232         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
2233         argument.  Use fold_strip_sign_ops to simplify the first argument.
2234         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
2235         first argument when the second argument is an even integer
2236         constant, but only with -funsafe_math_optimizations.
2237         (fold_builtin_1): Update call to fold_builtin_copysign.
2238
2239 2005-02-09  Ian Lance Taylor  <ian@airs.com>
2240
2241         PR middle-end/19583
2242         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
2243         just check whether EH_FILTER_FAILURE falls through.
2244
2245 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2246
2247         * gcc/haifa-sched.c (schedule_block): Make queued sched group
2248         insns return to ready list in the next turn.
2249
2250 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2251
2252         PR middle-end/19402
2253         * builtins.def: New __builtin_powi[lf].
2254         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
2255         (expand_builtin_powi): New function.
2256         (expand_builtin): Dispatch to expand_builtin_powi.
2257         * libgcc2.h: Add prototypes for __builtin_powi[lf].
2258         * libgcc2.c: Add __builtin_powi[lf] implementation.
2259         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
2260         * optabs.h: Add powi_optab.
2261         * optabs.c (init_optabs): Initialize powi_optab.
2262         * doc/extend.texi: Document __builtin_powi[lf].
2263
2264 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
2265
2266         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
2267         exists.
2268
2269 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
2270
2271         PR middle-end/19854
2272         * fold-const.c (try_move_mult_to_index): Remove redundant
2273         type argument.  Create ADDR_EXPR with correct type.
2274         (fold): Update callers of try_move_mult_to_index.  Convert
2275         result to the appropriate type.
2276
2277 2005-02-09  Roger Sayle  <roger@eyesopen.com>
2278
2279         PR target/19597
2280         * config/avr/avr.c (default_rtx_costs): Delete.
2281         (avr_operand_rtx_cost): New function.
2282         (avr_rtx_costs): Completely rewrite.
2283
2284 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
2285
2286         PR target/19806
2287         * config/cris/cris.c (in_code): New variable.
2288         (cris_output_addr_const): Now a static function, a wrapper for
2289         output_addr_const.
2290         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
2291         case from old cris_output_addr_const.
2292         (cris_asm_output_label_ref): Similar for LABEL_REF.
2293         (cris_output_addr_const_extra): Similar for UNSPEC.
2294         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
2295         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
2296         * config/cris/cris-protos.h (cris_output_addr_const): Remove
2297         declaration.
2298         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
2299         (cris_asm_output_label_ref): Declare.
2300
2301 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
2302
2303         PR preprocessor/19801
2304         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
2305         filenames that changed when libcpp was moved to the toplevel.
2306
2307 2005-02-07  Roger Sayle  <roger@eyesopen.com>
2308
2309         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2310         zero extensions of BImode operands.  Call lowpart_subreg instead
2311         of gen_lowpart_common and gen_lowpart_SUBREG.
2312
2313 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
2314
2315         PR ada/19489
2316         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
2317         * configure.ac: Set cc_for_cross_gnattools.
2318         * configure: Regenerate.
2319
2320 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
2321
2322         PR target/19803
2323         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
2324
2325 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2326
2327         PR debug/19327
2328         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
2329         of nested functions.
2330
2331 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
2332
2333         * doc/extend.texi: Document deprecated extensions allowing
2334         static floating-point members to have initializers and allowing
2335         floating-point literals in integral constant expressions.
2336
2337 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
2338
2339         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
2340         config/darwin7.h, config/mips/mips.c,
2341         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
2342         Update copyright.
2343
2344         * cse.c: Update comments.
2345
2346 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
2347
2348         PR middle-end/19775
2349         * builtins.c (fold_builtin_sqrt): Transform
2350         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
2351         pow(x,y*0.5).
2352
2353 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
2354             Dorit Naishlos  <dorit@il.ibm.com>
2355
2356         * doc/invoke.texi (ftree-vectorizer-verbose): New.
2357         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
2358         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
2359         was added.
2360         * tree.h (vect_set_verbosity_level): New extern function declaration
2361         added.
2362         * tree-vectorizer.h (verbosity_levels): New enum type.
2363         * tree-vectorizer.c (vect_debug_stats): Function removed.
2364         (vect_debug_details): Likewise.
2365         (vect_verbosity_level): Global variable was defined and initialized.
2366         (vect_dump): Global variable definition.
2367         (vect_print_dump_info): New function.
2368         (vect_set_dump_settings): New function.
2369         (vect_set_verbosity_level): New function.
2370         (vectorize_loops): Add call to vect_set_dump_settings.
2371
2372         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2373         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2374         (slpeel_tree_peel_loop_to_edge): Likewise.
2375
2376         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2377         appropriate verbosity level instead of call to vect_debug_details
2378         or vect_debug_stats.
2379         (vect_get_base_and_offset):
2380         (vect_create_addr_base_for_vector_ref):
2381         (get_vectype_for_scalar_type):
2382         (vect_create_data_ref_ptr):
2383         (vect_init_vector):
2384         (vect_get_vec_def_for_operand):
2385         (vect_finish_stmt_generation):
2386         (vectorizable_assignment):
2387         (vectorizable_operation):
2388         (vectorizable_store):
2389         (vectorizable_load):
2390         (vect_transform_stmt):
2391         (vect_update_ivs_after_vectorizer):
2392         (vect_do_peeling_for_loop_bound):
2393         (vect_update_inits_of_drs):
2394         (vect_do_peeling_for_alignment):
2395         (vect_transform_loop):
2396         (vect_is_simple_use):
2397         (vect_analyze_operations):
2398         (vect_is_simple_iv_evolution):
2399         (vect_analyze_scalar_cycles):
2400         (vect_analyze_data_ref_dependence):
2401         (vect_analyze_data_ref_dependences):
2402         (vect_compute_data_ref_alignment):
2403         (vect_enhance_data_refs_alignment):
2404         (vect_analyze_data_refs_alignment):
2405         (vect_analyze_data_ref_access):
2406         (vect_analyze_data_ref_accesses):
2407         (vect_analyze_pointer_ref_access):
2408         (vect_get_memtag_and_dr):
2409         (vect_analyze_data_refs):
2410         (vect_mark_relevant):
2411         (vect_stmt_relevant_p):
2412         (vect_mark_stmts_to_be_vectorized):
2413         (vect_can_advance_ivs_p):
2414         (vect_get_loop_niters):
2415         (vect_analyze_loop_form):
2416         (vect_analyze_loop):
2417         (vectorize_loops): Likewise.
2418
2419         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2420         (vect_update_inits_of_drs):
2421         (vect_do_peeling_for_alignment):
2422         (vect_transform_loop):
2423         (vect_analyze_operations):
2424         (vect_analyze_scalar_cycles):
2425         (vect_analyze_data_ref_dependences):
2426         (vect_analyze_data_refs_alignment):
2427         (vect_analyze_data_ref_accesses):
2428         (vect_analyze_data_refs):
2429         (vect_mark_stmts_to_be_vectorized):
2430         (vect_get_loop_niters):
2431         (vect_analyze_loop_form):
2432         (vect_analyze_loop): Likewise.
2433         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2434
2435 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2436
2437         PR bootstrap/19796
2438         Revert:
2439         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2440         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2441         either -ffast-math or -funsafe-math-optimizations is in use.
2442
2443         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2444         * config/mips/irix-csr.c: New file.
2445         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2446         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2447         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2448         executables.
2449
2450 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2451
2452         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2453         redundant, incorrect definitions.
2454
2455         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2456         expand.
2457         ("*tls_indirect_call"): New, reference hard regs directly.
2458         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2459
2460 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2461
2462         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2463         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2464
2465 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2466
2467         PR rtl-optimization/19800
2468         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2469         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2470         gen_lowpart.
2471
2472 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2473
2474         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2475
2476 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2477
2478         PR other/17135
2479         * doc/invoke.texi: Correct documentation of -freorder-functions.
2480
2481 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2482
2483         PR other/14402
2484         * doc/invoke.texi: Don't mention gccbug.
2485
2486 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2487             Andrew Pinski  <pinskia@physics.uc.edu>
2488             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2489
2490         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2491         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2492         into just (zero_extract:SI FOO (const_int 1) BAR).
2493
2494 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2495
2496         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2497         macro locally.  Don't give last revision date.  Use GCC version
2498         number from gcc-common.texi.
2499         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2500         revision date.  Use GCC version number from gcc-common.texi.
2501         Describe being a library as current state rather than as 3.x
2502         history.
2503         * doc/gcc.texi: Remove last update date.
2504         * doc/gccint.texi: Likewise.  Update copyright dates.
2505         * doc/install.texi: Update copyright dates.
2506
2507 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2508
2509         PR other/7549
2510         * doc/invoke.texi: Mention for each option included in -Wall that
2511         it is included in -Wall.
2512         * doc/gcc.texi: Update copyright and last modification date.
2513
2514 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2515
2516         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2517         unnecessary cast to original induction variable increments.
2518
2519 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2520
2521         PR tree-optimization/18219
2522         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2523         in distributed form.
2524
2525 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2526
2527         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2528         Set bitpos and offset later in the function.  Do nothing if the
2529         target is a register and if the bitfield lies completely outside
2530         that register.
2531         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2532         here.  Return an uninitialised register if the source value is stored
2533         in a register and the bitfield lies completely outside that register.
2534
2535 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2536
2537         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2538         not SET_DEST.
2539
2540 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2541
2542         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2543
2544 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2545
2546         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2547         * config/darwin8.h: New.
2548         * config/darwin7.h: Update comment.
2549
2550 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2551             Dorit Naishlos  <dorit@il.ibm.com>
2552
2553         * tree-vectorizer.h (LOC): New type.
2554         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2555         (loop_line_number): New field in struct _loop_vec_info.
2556         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2557
2558         * tree-vectorizer.c (input.h): Included.
2559         (find_loop_location): New function.
2560         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2561         loop line number removed.
2562         (vect_debug_details): Likewise.
2563         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2564
2565         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2566         call to vect_debug_details/stats changed from loop to loop_loc.
2567         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2568         (slpeel_tree_peel_loop_to_edge): Likewise.
2569
2570         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2571         changed from NULL to UNKNOWN_LOC.
2572         (vect_get_base_and_offset):
2573         (vect_create_addr_base_for_vector_ref):
2574         (get_vectype_for_scalar_type):
2575         (vect_create_data_ref_ptr):
2576         (vect_init_vector):
2577         (vect_get_vec_def_for_operand):
2578         (vect_finish_stmt_generation):
2579         (vectorizable_assignment):
2580         (vectorizable_operation):
2581         (vectorizable_store):
2582         (vectorizable_load):
2583         (vect_transform_stmt):
2584         (vect_update_ivs_after_vectorizer):
2585         (vect_do_peeling_for_loop_bound):
2586         (vect_do_peeling_for_alignment):
2587         (vect_transform_loop):
2588         (vect_is_simple_use):
2589         (vect_analyze_operations):
2590         (vect_is_simple_iv_evolution):
2591         (vect_analyze_scalar_cycles):
2592         (vect_analyze_data_ref_dependences):
2593         (vect_compute_data_ref_alignment):
2594         (vect_enhance_data_refs_alignment):
2595         (vect_analyze_data_ref_access):
2596         (vect_analyze_data_ref_accesses):
2597         (vect_analyze_pointer_ref_access):
2598         (vect_get_memtag_and_dr):
2599         (vect_analyze_data_refs):
2600         (vect_mark_relevant):
2601         (vect_stmt_relevant_p):
2602         (vect_mark_stmts_to_be_vectorized):
2603         (vect_can_advance_ivs_p):
2604         (vect_get_loop_niters):
2605         (vect_analyze_loop):
2606         (vectorize_loops): Likewise.
2607
2608         (vectorizable_load): Argument in call to vect_debug_details/stats
2609         changed from loop to LOOP_LOC (loop_vinfo).
2610         (vect_transform_loop):
2611         (vect_analyze_operations):
2612         (vect_analyze_scalar_cycles):
2613         (vect_analyze_data_ref_dependence):
2614         (vect_enhance_data_refs_alignment):
2615         (vect_analyze_data_ref_accesses):
2616         (vect_analyze_pointer_ref_access):
2617         (vect_analyze_data_refs):
2618         (vect_analyze_loop): Likewise.
2619
2620         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2621         changed from loop to loop_loc.
2622
2623         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2624
2625 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2626             Dorit Naishlos  <dorit@il.ibm.com>
2627
2628         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2629         declaration added.
2630         (vect_analyze_data_ref_dependences): Likewise.
2631
2632         (vect_is_simple_use): Argument changed from loop structure to
2633         loop_vect_info structure.
2634         (vect_can_advance_ivs_p): Likewise.
2635         (vect_create_index_for_vector_ref): Likewise.
2636         (vect_update_ivs_after_vectorizer): Likewise.
2637         (new_stmt_vec_info): Likewise.
2638
2639         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2640         changed from loop to loop_vinfo.
2641         (vect_create_data_ref_ptr): First argument in call to
2642         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2643         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2644         was changed from loop to loop_vinfo.
2645         (vectorizable_operation): Likewise.
2646         (vectorizable_store): Likewise.
2647         (vect_mark_stmts_to_be_vectorized): Likewise.
2648         (vect_do_peeling_for_loop_bound): First argument in call to
2649         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2650         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2651         was changed from loop to loop_vinfo.
2652         (vect_analyze_data_ref_dependences): Third argument in call to
2653         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2654
2655         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2656         (vect_create_data_ref_ptr): Likewise.
2657         (vect_init_vector): Likewise.
2658         (vect_get_vec_def_for_operand): Likewise.
2659         (vectorizable_assignment): Likewise.
2660         (vectorizable_operation): Likewise.
2661         (vectorizable_store): Likewise.
2662         (vectorizable_load): Likewise.
2663         (vect_update_ivs_after_vectorizer): Likewise.
2664         (vect_is_simple_use): Likewise.
2665         (vect_analyze_data_ref_dependence): Likewise.
2666         (vect_analyze_pointer_ref_access): Likewise.
2667         (vect_can_advance_ivs_p): Likewise.
2668
2669         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2670         before _stmt_vec_info.
2671         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2672         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2673         (new_stmt_vec_info): Argument changed from loop structure to
2674         loop_vect_info structure
2675
2676         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2677         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2678         (vect_create_addr_base_for_vector_ref): Likewise.
2679         (vect_analyze_pointer_ref_access): Likewise.
2680
2681 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2682
2683         PR tree-opt/19768
2684         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2685         phi flag if the phi is abnormal.
2686
2687 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2688
2689         PR tree-opt/19736
2690         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2691         information for the new statement.
2692
2693 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2694
2695         PR driver/19117
2696         * gcc.c (main): Include the target in -v output.
2697
2698 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2699
2700         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2701         Do not drop the extend if we'd have to add a paradoxical subreg
2702         later.  Include optabs.h and insn-codes.h.
2703         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2704
2705 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2706
2707         PR middle-end/19405
2708         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2709         * fold-const.c (const_binop): Avoid constant folding floating
2710         point operations in modes that use composite representations.
2711         * simplify-rtx.c (simplify_binary_operation): Likewise.
2712
2713 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2714
2715         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2716         a REG, not a MEM.
2717         (altivec_dstt): Likewise.
2718         (altivec_dstst): Likewise.
2719         (altivec_dststt): Likewise.
2720         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2721         of first operand.
2722
2723 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2724
2725         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2726         EXPR_LOCUS from orig_cond to the new cond_stmt.
2727         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2728         the new vec_stmt.
2729
2730 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2731
2732         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2733         standard_iv_increment_position. Remove call to bsi_next
2734         (no need to bump the iterator anymore).
2735         (vect_create_index_for_vector_ref): Call
2736         standard_iv_increment_position. Remove second function argument.
2737         (vect_finish_stmt_generation): Remove call to bsi_next
2738         (no need to bump the iterator anymore).
2739         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2740         to vect_create_index_for_vector_ref.
2741
2742 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2743
2744         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2745         phis are used out of the loop.
2746
2747 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2748
2749         PR c/17807
2750         * c-decl.c (undef_nested_function): New variable.
2751         (pop_scope): Diagnose undefined nested functions.
2752         (finish_function): Don't attempt cgraph processing or genericizing
2753         if current top-level function contained an undefined nested
2754         function.  Reset undef_nested_function at the end of a top-level
2755         function.
2756
2757 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2758
2759         * tree.c (build_int_cst_type): Take sign of the value into account
2760         when deciding whether sign extend the value.
2761
2762 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2763
2764         PR c/18502
2765         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2766         (cpp_options, cc1_options): Change %{std*&ansi} to
2767         %{std*&ansi&trigraphs}.
2768
2769 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2770
2771         * cse.c: Update comments.
2772
2773 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2774
2775         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2776         arguments go on the stack.  Do not put complex doubles in odd/even
2777         pairs.
2778
2779 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2780
2781         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2782         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2783         -ftree-pre, and -fthread-jumps.
2784
2785 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2786
2787         PR tree-optimization/19578
2788         * tree-flow.h (modified_noreturn_calls): Declare.
2789         (noreturn_call_p): Declare.
2790         * tree-flow-inline.h (noreturn_call_p): New function.
2791         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2792         * tree-cfg.c (modified_noreturn_calls): New variable.
2793         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2794         that contain a mid-block noreturn call.
2795         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2796
2797 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2798
2799         * df.c (df_def_record_1, df_uses_record): Don't use
2800         DF_FOR_REGALLOC.
2801         * df.h (DF_FOR_REGALLOC): Remove.
2802
2803 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2804
2805         PR c/19435
2806         * c-typeck.c (really_start_incremental_init): Reset
2807         constructor_max_index for arrays of incomplete type.
2808
2809 2005-02-02  Jeff Law  <law@redhat.com>
2810
2811         * gcse.c (struct reg_set): Store the block index where the register
2812         was set rather than the setting insn.
2813         (record_one_set, compute_transp): Corresponding changes.
2814         (pre_insert_copy_insn): Do not call replace_one_set.
2815         (replace_one_set): Remove.
2816
2817 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2818
2819         PR other/15514
2820         * doc/gcov.texi: Fix typo.
2821
2822 2005-02-01  Richard Henderson  <rth@redhat.com
2823
2824         PR target/19680
2825         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2826         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2827         type to bool.
2828         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2829         * config/i386/i386-protos.h: Update.
2830
2831 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2832
2833         PR tree-optimization/19217
2834         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2835         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2836         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2837         that it is walking a PHI node.
2838
2839 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2840
2841         * doc/extend.texi (Nested Functions): Update.
2842
2843 2005-02-01  Richard Henderson  <rth@redhat.com>
2844
2845         PR 19696
2846         * optabs.c (expand_copysign_absneg): Export.
2847         * optabs.h (expand_copysign_absneg): Declare.
2848         * config/rs6000/rs6000.md (copysigntf3): New.
2849
2850 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2851
2852         PR tree-optimization/19633
2853         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2854         * tree-ssa-alias.c (init_alias_info): Initialize.
2855         (merge_pointed_to_info): Set.
2856         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2857         (dump_points_to_info_for): Show value of pt_null.
2858         (struct count_ptr_d): Declare.
2859         (find_ptr_dereference): Remove.
2860         (ptr_is_dereferenced_by): Remove.
2861         (count_ptr_derefs): New local function.
2862         (count_uses_and_derefs): New local function.
2863         (compute_points_to_and_addr_escape): Call it.  If the number
2864         of dereferences is greater than zero, mark the pointer as
2865         dereferenced.  If there are fewer dereferences than uses of
2866         the pointer, the pointer's value escapes.
2867
2868 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2869
2870         PR tree-optimization/19670
2871         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2872         here...
2873         (verify_use): ... set it here, instead.
2874
2875 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2876
2877         * doc/sourcebuild.texi (Test directives): Fix formatting.
2878
2879         * doc/sourcebuild.texi (Test directives): Describe selector
2880         expressions.
2881
2882 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2883
2884         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2885         specific 64-bit CPUs.
2886
2887 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2888
2889         PR target/16201
2890         * arm.c (arm_eliminable_register): New function.
2891         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2892         HOST_WIDE_INT for address offsets.
2893         * arm-protos.h (arm_eliminable_register): Add prototype.
2894
2895 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2896
2897         PR optimization/15242
2898         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2899         * basic-block.h (duplicate_computed_gotos): Add prototype.
2900         * bb-reorder.c (duplicate_computed_gotos): New function to
2901         duplicate sufficiently small blocks ending in a computed jump.
2902         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2903         if not optimizing for size.
2904         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2905         never do tail merging for blocks ending in a computed jump.
2906         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2907
2908 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2909
2910         Patch from Richard Sandiford <rsandifo@redhat.com>
2911         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2912         from inheriting a subreg equivalence with a non-spill register.
2913
2914         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2915
2916 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2917
2918         * config/frv/frv.c (movcc_fp_destination_operand): New.
2919         (gpr_or_memory_operand): Fix typo in comment.
2920         (gpr_or_memory_operand_with_scratch): New.
2921         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2922         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2923         movcc_fp_destination_operand.
2924         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2925         Legitimize memory addresses using a scratch register.
2926
2927 2005-01-31  Jeff Law  <law@redhat.com>
2928
2929         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2930         bitmap a sparse bitmap instead of a simple bitmap.
2931         (mark_def_sites_initialize_block):  Corresponding changes.
2932         (ssa_mark_def_sites_initialize_block): Likewise.
2933         (ssa_mark_phi_uses): Likewise.
2934         (mark_def_site, ssa_mark_def_sites): Likewise.
2935         (mark_def_site_blocks): Likewise.
2936         (rewrite_ssa_into_ssa): Likewise.
2937
2938         * tree-ssa-dom.c (record_cond): Pass correct variable type
2939         for last argument to htab_find_slot_with_hash.
2940
2941         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2942         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2943
2944 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2945
2946         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2947         1_mmalua.
2948
2949 2005-02-01  Eric Christopher  <echristo@redhat.com>
2950
2951         * config/mips/mips.c (override_options): Warn if -mint64
2952         is used.
2953         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2954         deprecated.
2955
2956 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2957
2958         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2959         timestamp.
2960         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2961         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2962         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2963         (cached_regno): Initialize to INVALID_REGNUM.
2964         (cse_reg_info_table_size,
2965         cse_reg_info_table_first_uninitialized,
2966         cse_reg_info_timestamp): New.
2967         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2968         get_cse_reg_info.
2969         (init_cse_reg_info, get_cse_reg_info_1): New.
2970         (get_cse_reg_info): Cache the last look-up.
2971         (new_basic_block): Update the code to clear mappings from
2972         registers to cse_reg_info entries.
2973         (cse_main): Call init_cse_reg_info.
2974
2975         * cse.c (get_cse_reg_info): Update a comment.
2976
2977 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2978
2979         PR c/19333
2980         * c-decl.c (start_decl): Do not warn about arrays of elements with
2981         an incomplete type here.
2982         (grokdeclarator): Do it here by making a pedwarn an error.
2983         * c-typeck.c (push_init_level): If there were previous errors with
2984         the constructor type, do not warn about braces for initializers.
2985         (process_init_element): Likewise for excess initializer elements.
2986
2987 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2988
2989         * cse.c (delete_trivially_dead_insn): Don't iterate.
2990
2991 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2992
2993         * config/rs6000/rs6000.md (copysignsf3): New expand.
2994         (copysigndf3): Likewise.
2995
2996 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2997
2998         * recog.c (constrain_operands): Only look for earlyclobber operand
2999         conflicts if an '&' constraint was seen.
3000
3001 2005-01-31  Marc Espie <espie@openbsd.org>
3002
3003         * config.gcc: Don't include embedded systems fragment, switches default
3004         debugging format to ELF.
3005         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
3006         longer pick it up there.
3007
3008 2005-01-31  Dale Johannesen  <dalej@apple.com>
3009
3010         * doc/extend.texi (nested functions): Fix linkage description.
3011         Clarify that static is not allowed.
3012
3013 2005-01-31  Dale Johannesen  <dalej@apple.com>
3014
3015         * config/rs6000/darwin.md (movsf_low_di):  Make work.
3016         (movdf_low_di):  Make work.
3017
3018 2005-01-31  Dale Johannesen  <dalej@apple.com>
3019
3020         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
3021         Make work for 64 bit.
3022
3023 2005-01-31  Roger Sayle  <roger@eyesopen.com>
3024             Dale Johannesen  <dalej@apple.com>
3025
3026         PR middle-end/19650
3027         * fold-const.c (fold_binary_op_with_conditional_arg):
3028         Make types match original operands, before STRIP_NOPS.
3029
3030 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
3031
3032         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
3033         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
3034         (struct gcc_sigcontext): Delete.  Merge contents to..
3035         (struct gcc_ucontext): ..here.
3036         (get_sigcontext): Delete.
3037         (get_regs): New function, like get_sigcontext but return regs ptr.
3038         64-bit version finds regs from r1 to support vdso.
3039         (ppc_linux_aux_vector): New function.
3040         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
3041         and vector regs.
3042
3043 2005-01-31  Ira Rosen  <irar@il.ibm.com>
3044
3045         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
3046         sizetype.
3047         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
3048         redundant fold. Fix misalignment for MINUS_EXPR.
3049         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
3050         (vect_analyze_pointer_ref_access): Likewise.
3051         (vect_get_memtag_and_dr): Likewise.
3052
3053 2005-01-31  Richard Henderson  <rth@redhat.com>
3054
3055         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
3056         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
3057         absnegdf2_i387, absnegxf2_i387): Likewise.
3058
3059 2005-01-31  Richard Henderson  <rth@redhat.com>
3060
3061         PR 19696
3062         * optabs.c (expand_copysign_absneg): New.
3063         (expand_copysign_bit): Split out from ...
3064         (expand_copysign): ... here.  Use expand_copysign_absneg.
3065
3066 2005-01-30  Roger Sayle  <roger@eyesopen.com>
3067
3068         PR middle-end/19697
3069         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
3070         constant as the second operand and a register as the third.
3071
3072 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
3073
3074         PR target/19704
3075         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
3076         that dllimport'd functions do not use all call-clobbered registers
3077         to pass parameters.
3078
3079 2005-01-30  Richard Henderson  <rth@redhat.com>
3080
3081         PR 19696
3082         * optabs.c (expand_absneg_bit): Split out from expand_unop and
3083         expand_abs_nojump and generalize.  Use operand_subword and
3084         emit_no_conflict_block.  Support large modes.
3085         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
3086         back to maximum.
3087         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
3088         negation to subtraction.
3089         (expand_copysign): Check that the format has signed zeros.
3090         Use operand_subword and emit_no_conflict_block.  Support large modes.
3091
3092 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
3093
3094         Fix PR tree-optimization/19624
3095
3096         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
3097         * tree-ssa-pre.c: Add cfgloop.h.
3098         Update comment.
3099         (pre_stats): New member, constified.
3100         (inserted_exprs): New static variable.
3101         (NECESSARY): New macro.
3102         (create_expression_by_pieces): Fold the expression, and
3103         mark it as defaulting to not necessary. Also put in
3104         inserted_exprs.
3105         (fully_constant_expression): New function.
3106         (insert_into_preds_of_block): Modify to not insert phis when we
3107         are playing with induction variables.
3108         Push phis onto the inserted_exprs vector, and mark them as not
3109         necessary by default.
3110         (insert_aux): Call fully_constant_expression on eprime.
3111         If all edges produce the same value, mark it constant.
3112         (mark_operand_necessary): New function.
3113         (remove_dead_inserted_code): New function.
3114         (init_pre): Init loop optimizer to get loop info.
3115         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
3116         (execute_pre): Commit edge inserts, then remove dead code.
3117
3118 2005-01-30  Richard Henderson  <rth@redhat.com>
3119
3120         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
3121         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
3122
3123 2005-01-30  Richard Henderson  <rth@redhat.com>
3124
3125         PR target/19700
3126         * config/i386/i386.c (ix86_expand_copysign): New.
3127         (ix86_split_copysign_const): New.
3128         (ix86_split_copysign_var): Rename from ix86_split_copysign,
3129         rearrange op1/nmask operands.
3130         * config/i386/i386-protos.h: Update.
3131         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
3132         (copysigndf3): Likewise.
3133         (copysignsf3_const, copysigndf3_const): New.
3134         (copysignsf3_var): Rename from copysignsf3, split out splitter
3135         and fix split predicate for X constraint.
3136         (copysigndf3_var): Similarly.
3137
3138 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
3139
3140         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
3141         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
3142         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
3143
3144 2005-01-29  Richard Henderson  <rth@redhat.com>
3145
3146         PR target/19690
3147         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
3148         of # and * in constraints.
3149
3150 2005-01-29  Richard Henderson  <rth@redhat.com>
3151
3152         PR middle-end/19689
3153         * expr.c (store_field): Don't strip sub-mode cast when the input
3154         data is even smaller.
3155
3156 2005-01-29  Richard Henderson  <rth@redhat.com>
3157
3158         PR middle-end/19687
3159         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
3160         union being empty.
3161
3162 2005-01-29  Richard Henderson  <rth@redhat.com>
3163
3164         * combine.c (make_field_assignment): Fix argument order
3165         to gen_int_mode.
3166
3167 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
3168
3169         PR tree-optimization/15791
3170         * fold-const.c (extract_array_ref): New function.
3171         (fold): Fold comparisons between &a[i] and &a[j] or
3172         semantically equivalent trees.
3173
3174 2005-01-29  Jeff Law  <law@redhat.com>
3175
3176         * gcse.c (insert_expr_in_table): Revamp handling of available
3177         and anticipatable occurrence lists to avoid unnecessary list
3178         walking.
3179         (insert_set_in_table): Similarly.
3180
3181 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
3182
3183         * c-common.c (fix_string_type): Just use c_build_qualified_type to
3184         build string type.
3185         (c_build_qualified_type): Build qualified array types with
3186         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
3187         * c-decl.c (c_make_fname_decl): Build unqualified array type
3188         before qualified type.
3189         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
3190         type is qualified, not just if type itself is.  Don't apply
3191         qualifiers to array type when declarator is processed.  Apply
3192         qualifiers to field type whether or not it is an array type.
3193         Don't handle array types specially for applying qualifiers to
3194         variables.
3195         * c-typeck.c (composite_type): Build unqualified element type and
3196         array type when forming composite of array types.
3197         (common_pointer_type, comptypes, comp_target_types,
3198         type_lists_compatible_p, build_indirect_ref, build_array_ref,
3199         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
3200         types.
3201         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
3202         (args2) in variables a1 and a2.
3203
3204 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
3205
3206         * cse.c (n_elements_made, max_elements_made): Remove.
3207         (insert): Don't touch n_elements_made.
3208         (cse_main): Don't touch n_elements_made or max_elements_made.
3209
3210 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
3211
3212         PR target/15384
3213         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
3214         configuration part of dp-bit.c to be lost.
3215
3216 2005-01-28  Roger Sayle  <roger@eyesopen.com>
3217
3218         * expmed.c (expand_mult_highpart_optab): When attempting to use
3219         a non-widening multiplication in a wider mode, the operands need
3220         to be converted (zero or sign extended) to that mode.
3221
3222 2005-01-28  Ian Lance Taylor  <ian@airs.com>
3223
3224         PR middle-end/16558
3225         PR middle-end/19583
3226         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
3227         through if both operands fall through.
3228
3229 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3230
3231         * cse.c (fold_rtx) <PC>: Don't optimize.
3232
3233 2005-01-28  Jeff Law  <law@redhat.com>
3234
3235         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
3236         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
3237
3238 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
3239
3240         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
3241         cse_reg_info_used_list_end): Remove.
3242         (cse_reg_info_list, cse_reg_info_list_free): New.
3243         (get_cse_reg_info): When allocating an instance of
3244         cse_reg_info, add it to the beginning of the cse_reg_info_list
3245         list.  Remove code to maintain cse_reg_info_used_list.
3246         (new_basic_block): Reset the free list to the beginning of
3247         cse_reg_info_list.
3248
3249 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
3250
3251         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
3252         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
3253         (frv_expand_mdpackh_builtin): New function.
3254         (frv_expand_builtin): Use it to expand __MDPACKH.
3255         * doc/extend.texi (__MDPACKH): Update documentation.
3256
3257 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
3258
3259         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
3260         SSE_FLOAT_MODE_P for use_sse computation.
3261
3262 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
3263
3264         PR target/19663
3265         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
3266
3267 2005-01-27  Richard Henderson  <rth@redhat.com>
3268
3269         * builtins.c (expand_builtin_copysign): New.
3270         (expand_builtin): Call it.
3271         * genopinit.c (optabs): Add copysign_optab.
3272         * optabs.c (init_optabs): Initialize it.
3273         (expand_copysign): New.
3274         * optabs.h (OTI_copysign, copysign_optab): New.
3275         (expand_copysign): Declare.
3276
3277         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
3278         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
3279
3280         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
3281         (ix86_expand_fp_absneg_operator): ... here.
3282         (ix86_split_copysign): New.
3283         * config/i386/i386-protos.h: Update.
3284         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
3285         (copysignsf3, copysigndf3): New.
3286
3287         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
3288         (copysignsf3, ncopysignsf3): New.
3289         (copysigndf3, ncopysigndf3): New.
3290         (copysignxf3, ncopysignxf3): New.
3291         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
3292
3293 2005-01-27  Arend Bayer  <arend.bayer@web.de>
3294             Kazu Hirata  <kazu@cs.umass.edu>
3295
3296         * cse.c: (find_best_addr): Don't call copy_rtx before calling
3297         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
3298         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
3299         NULL_RTX.
3300
3301 2005-01-27  Jeff Law  <law@redhat.com>
3302
3303         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
3304         definitions of SSA_NAMEs which are not being rewritten.
3305         (rewrite_ssa_into_ssa): Only initialize the current definition
3306         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
3307         If checking is enabled, assert that SSA_NAME_AUX is clear for all
3308         SSA_NAMEs before returning.
3309
3310 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
3311
3312         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
3313         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
3314         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
3315         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
3316         config/mips/iris6.h, config/sh/sh.c: Update copyright.
3317
3318 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3319
3320         PR middle-end/17278
3321         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
3322         higher to -O2 and higher.  Likewise for tree PRE.
3323         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
3324         and better.
3325
3326 2005-01-27  Ian Lance Taylor  <ian@airs.com>
3327
3328         PR middle-end/19583
3329         * gimple-low.c (try_catch_may_fallthru): New static function.
3330         (block_may_fallthru): Handle TRY_CATCH_EXPR.
3331         * tree-inline.c (expand_call_inline): Don't warn about reaching
3332         the end of a non-void function being inlined if the function uses
3333         a return slot.
3334
3335 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
3336
3337         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
3338
3339         PR c/18946
3340         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
3341         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
3342         (implicitly_declare): Handle error_mark_node.
3343
3344 2005-01-27  Richard Henderson  <rth@redhat.com>
3345
3346         PR tree-opt/14329
3347         * tree.h (struct tree_decl): Add debug_expr_is_from.
3348         (DECL_DEBUG_EXPR_IS_FROM): New.
3349         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
3350         * dwarf2out.c (dwarf2out_var_location): Update to match.
3351         * tree-outof-ssa.c (create_temp): Likewise.
3352         * var-tracking.c (track_expr_p): Likewise.
3353         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
3354         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
3355         * toplev.c (default_tree_printer): Likewise.
3356
3357 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
3358
3359         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
3360         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
3361
3362 2005-01-27  Steven Bosscher  <stevenb@suse.de>
3363
3364         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
3365         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
3366         ASM_CLOBBERS): Add tree checks.
3367
3368         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3369         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3370         * c-common.def (SWITCH_STMT): Update to match.
3371         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3372         macros instead of SWITCH_EXPR ones.
3373         * c-dump.c (c_dump_tree): Likewise.
3374         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3375         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3376
3377         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3378
3379 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3380
3381         * unwind-dw2.c (execute_stack_op): Add missing cases for
3382         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3383
3384 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3385
3386         * config.gcc (Obsolete configurations): Remove 'dummy', add
3387         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3388         sparc-*-openbsd*.
3389
3390 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3391
3392         PR tree-optimization/19633
3393         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3394         CALL_EXPRs.
3395         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3396         are no call-clobbered variables.
3397         * tree-outof-ssa.c (check_replaceable): Return false for calls
3398         with side-effects.
3399
3400 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3401
3402         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3403         even for variables with NULL DECL_INITIAL.
3404
3405 2005-01-26  Stuart Hastings  <stuart@apple.com>
3406
3407         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3408
3409 2005-01-26  Richard Henderson  <rth@redhat.com>
3410
3411         PR middle-end/18008
3412         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3413         field's type.
3414         * expr.c (store_field): Strip conversions to odd-bit-sized types
3415         if the destination field width matches.
3416
3417 2005-01-26  Richard Henderson  <rth@redhat.com>
3418
3419         * c-decl.c, expmed.c, expr.c: Revert last change.
3420
3421 2005-01-26  Richard Henderson  <rth@redhat.com>
3422
3423         PR middle-end/18008
3424         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3425         field's type.
3426         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3427         if we don't need the bits above those present in the current mode.
3428         * expr.c (store_field): Strip conversions to odd-bit-sized types
3429         if the destination field width matches.
3430
3431 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3432
3433         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3434         either -ffast-math or -funsafe-math-optimizations is in use.
3435
3436 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3437
3438         PR target/19293
3439         PR target/19329
3440         * config/avr/avr.c (notice_update_cc): Only set condition code for
3441         ashrqi3 if shift count > 0.
3442         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3443         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3444         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3445         count <= 0 as a no-op, and shift count >= width by copying zero
3446         or sign bit to all bits of the result.
3447         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3448         count, with attribute "length" set to 0 and "cc" set to "none".
3449
3450 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3451
3452         * doc/invoke.texi: Document -mTLS.
3453
3454         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3455         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3456         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3457         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3458         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3459         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3460         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3461         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3462
3463         * configure.ac: Check for a TLS capable gas.
3464
3465         * configure: Regenerate.
3466
3467 2005-01-26  Richard Henderson  <rth@redhat.com>
3468
3469         PR middle-end/18008
3470         * combine.c (make_field_assignment): Simplify store to zero_extract
3471         from a source with an overlapping mask.
3472
3473 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3474
3475         2004-11-11  Eric Christopher  <echristo@redhat.com>
3476
3477         * config/frv/frv.md: Add fr400_integer automaton. Don't
3478         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3479         to TYPE_MACC.
3480
3481 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3482
3483         PR middle-end/16585
3484         * cfgbuild.c (make_edges): Do not clear or set
3485         current_function_has_computed_jump.
3486         * function.h (struct function): Remove the has_computed_jump field.
3487         (current_function_has_computed_jump): Do not define.
3488         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3489         in a computed jump.  Ignore current_function_has_computed_jump.
3490
3491 2005-01-26  Richard Henderson  <rth@redhat.com>
3492
3493         PR middle-end/19515
3494         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3495         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3496         fully initialized.
3497         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3498         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3499         objects into static storage if they have more than one non-zero value.
3500         * tree.h (categorize_ctor_elements): Update decl.
3501
3502 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3503
3504         PR middle-end/19616
3505         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3506         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3507         to this function from 2004-07-10.
3508         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3509         the current function for tail call optimizations if the address
3510         of one of it its arguments is taken.
3511
3512 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3513
3514         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3515
3516 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3517
3518         * function.c (expand_function_end): If current_function_calls_alloca,
3519         emit stack restore in a place that is reached when the function falls
3520         through at the end.
3521
3522 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3523
3524         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3525         rule to avoid matching inappropriate suffix rule.
3526
3527 2005-01-26  Jan Hubicka  <jh@suse.cz>
3528
3529         PR tree-optimization/19241
3530         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3531
3532 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3533
3534         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3535         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3536         of doubling.
3537         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3538         <sim*>: Always use crt1.o, regardless of N in simN.
3539         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3540         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3541         (CRT_CALL_STATIC_FUNCTION): Remove.
3542         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3543         use crt1.o, regardless of N in simN.
3544         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3545         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3546         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3547         case isystem setting.
3548         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3549
3550 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3551
3552         * gimple-low.c (block_may_fallthru): Correct handling of
3553         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3554
3555 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3556
3557         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3558         handlers to match indentation; nested under the mtune=* handler.
3559         Similar for mcpu= and march=.
3560
3561 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3562
3563         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3564         * config/mips/linux64.h (LIB_SPEC): Likewise.
3565         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3566         * config/sh/linux.h (LIB_SPEC): Likewise.
3567
3568 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3569
3570         * config/frv/frv.c (frv_legitimize_tls_address): New.
3571         (TARGET_HAVE_TLS): Define.
3572         (FRV_SYMBOL_REF_TLS_P): Define.
3573         (frv_override_options): Handle new register classes.
3574         (frv_legitimate_address_p): Reject tls addresses.
3575         (frv_legitimize_address): Handle TLS addresses.
3576         (gen_inlined_tls_plt): New.
3577         (gen_tlsmoff): New.
3578         (frv_legitimize_tls_address): New.
3579         (unspec_got_name): Add TLS entries.
3580         (got12_operand): Add R_FRV_TLSMOFF12 case.
3581         (frv_emit_move): Fixup TLS addresses.
3582         (frv_emit_movsi): Legitimize TLS addresses.
3583
3584         * config/frv/frv.h (MASK_BIG_TLS): New.
3585         (TARGET_BIG_TLS): New.
3586         (HAVE_AS_TLS): Define.
3587         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3588         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3589         (REG_CLASS_NAMES): Same.
3590         (REG_CLASS_CONTENTS): Same.
3591         (CONSTRAINT_LEN): New.
3592         (REG_CLASS_FROM_CONSTRAINT): New.
3593         (PREDICATE_CODES): Add symbolic_operand.
3594
3595         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3596         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3597         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3598         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3599         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3600         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3601         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3602         GR9_REG, GR14_REG, LRREG.
3603         (type): Add load_or_call attribute.
3604         ("load_or_call"): New reservation.
3605         ("call_gettlsoff"): New.
3606         ("tls_indirect_call"): New.
3607         ("tls_load_gottlsoff12"): New.
3608         ("tlsoff_hilo"): New.
3609         ("tls_tlsdesc_ldd"): New.
3610         ("tls_tlsoff_ld"): New.
3611         ("tls_lddi"): New.
3612
3613         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3614
3615         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3616
3617         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3618         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3619         * config/frv/frv.c (TLS_BIAS): Define.
3620         (frv_output_dwarf_dtprel): New.
3621
3622 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3623
3624         PR rtl-optimization/19579
3625         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3626         both A and B, see if they don't clobber registers the other expr uses.
3627
3628 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3629
3630         * real.c (do_add): Initialize signalling and canonical members.
3631
3632         * real.c (real_from_integer): Zero out destination.
3633
3634 2005-01-18  Jan Hubicka  <jh@suse.cz>
3635
3636         PR tree-optimize/19337
3637         * tree-inline.c (initialize_inlined_parameters): Copy
3638         saved_static_chain_decl only.
3639
3640 2005-01-25  Richard Henderson  <rth@redhat.com>
3641
3642         PR target/19556
3643         PR target/19584
3644         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3645         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3646         80387 enabled, to return a proper subclass.  Return the subset that
3647         overlaps with GENERAL_REGS for PLUS.
3648         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3649
3650 2005-01-25  Richard Henderson  <rth@redhat.com>
3651
3652         PR middle-end/19609
3653         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3654
3655 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3656
3657         * expmed.c (choose_multiplier): Change interface to return the
3658         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3659         (expand_divmod): Update calls to choose_multiplier.
3660
3661 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3662
3663         PR middle-end/19330
3664         * expmed.c (extract_bit_field): Use adjust_address instead of
3665         gen_lowpart when op0 is a MEM.
3666
3667 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3668
3669         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3670
3671 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3672
3673         * config/mips/irix-csr.c: New file.
3674         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3675         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3676         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3677         executables.
3678
3679 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3680
3681         PR bootstrap/19364
3682         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3683         sparc/elf.h, add sparc/sp-elf.h.
3684         (sparc-*-rtems*): Likewise.
3685         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3686         tm-dwarf2.h, add sparc/sp-elf.h.
3687         (sparc86x-*-elf): Likewise.
3688         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3689         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3690         TARGET_OS_CPP_BUILTINS.
3691         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3692         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3693         Undefine it.
3694         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3695         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3696         (SWITCH_TAKES_ARG): Likewise.
3697         (LOCAL_LABEL_PREFIX): Likewise.
3698         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3699         (TARGET_N_FORMAT_TYPES): Delete.
3700         (TARGET_FORMAT_TYPES): Likewise.
3701         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3702         * config/sparc/elf.h: Delete.
3703         * config/sparc/sp-elf.h: New file.
3704
3705 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3706
3707         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3708         * tree-flow.h: Remove the corresponding prototype.
3709         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3710         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3711
3712 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3713
3714         PR target/17751
3715         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3716         for AIX ABI or ELF -fPIC.
3717         (rs6000_emit_load_toc_table): Don't create toc_section here.
3718         (rs6000_xcoff_file_start): Nor here.
3719
3720 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3721
3722         * sh.c (ra.h): Don't #include.
3723         (hard_regs_intersect_p): New function, resurrected from ra.c.
3724
3725         * sh.c: Fix 1996 Copyright.
3726
3727 2005-01-24  Richard Henderson  <rth@redhat.com>
3728             Aldy Hernandez  <aldyh@redhat.com>
3729
3730         * regrename.c (note_sets): Handle subregs.
3731
3732 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3733
3734         PR bootstrap/18058
3735         * genconditions.c (write_header, write_conditions): Elide file if
3736         not GCC >= 3.0.1.
3737
3738 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3739
3740         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3741         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3742         Update copyright.
3743
3744 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3745
3746         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3747         expand_builtin_printf, expand_builtin_fprintf,
3748         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3749         checking against POINTER_TYPE.
3750         (validate_arglist): Handle POINTER_TYPE code by checking
3751         POINTER_TYPE_P.
3752
3753 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3754
3755         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3756         init_rtlanal): New.
3757         (for_each_rtx): Call for_each_rtx_1.
3758         * rtl.h (init_rtlanal): Declare.
3759         * toplev.c (backend_init): Call init_rtlanal.
3760
3761 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3762
3763         * flow.c (propagate_one_insn): Formatting.
3764
3765         PR middle-end/19551
3766         * flow.c (libcall_dead_p): Be more conservative if unsure.
3767         If there are any instructions between insn and call, see if they are
3768         all dead before saying the libcall is dead.
3769
3770 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3771
3772         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3773         operand constraint for operand 0.
3774
3775 2005-01-23  Richard Henderson  <rth@redhat.com>
3776
3777         PR 19486
3778         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3779         edges leading to join block.
3780
3781 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3782
3783         * expmed.c (expand_mult_highpart): Make static.  Change type of
3784         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3785         (expand_divmod): Updates calls to expand_mult_highpart by using
3786         gen_int_mode to pass a CONST_INT rtx.
3787         * rtl.h (expand_mult_highpart): Remove prototype.
3788
3789 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3790
3791         * flow.c (regset_bytes, regset_size): Remove.
3792
3793         * cfganal.c: Fix a reference to Harvey's paper.
3794
3795 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3796
3797         PR rtl-optimization/19464
3798         * tree-optimize.c (init_tree_optimization_passes): Add one more
3799         copyrename pass just before out-of-ssa.
3800
3801 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3802
3803         PR bootstrap/18058
3804         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3805         * ggc-none.c (ggc_free): Define.
3806
3807 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3808
3809         * cse.c (max_reg, max_insn_uid): Remove.
3810         (cse_main): Don't access max_reg or max_insn_uid.
3811
3812         * c-common.c (explicit_flag_signed_bitfields,
3813         lang_statement_code_p, lang_expand_function_end): Remove.
3814         * c-common.h: Remove the corresponding declarations.
3815         * c-opts.c (c_common_handle_option): Remove all write access
3816         to explicit_flag_signed_bitfields.
3817
3818         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3819         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3820         * cgraph.h: Remove the corresponding declaration.
3821
3822         * gcse.c (null_pointer_info): Remove.
3823
3824 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3825             Eric Botcazou  <ebotcazou@libertysurf.fr>
3826
3827         * combine.c (simplify_logical): Only simplify logical expressions
3828         of the form ior(and(x,y),z) by the inverse distributive law if the
3829         result is cheaper than the original.
3830
3831 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3832
3833         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3834         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3835         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3836         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3837         config/freebsd-spec.h, config/arm/arm.h,
3838         config/h8300/h8300.md, config/i386/i386.md,
3839         config/i386/predicates.md, config/i386/sse.md,
3840         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3841         config/vax/vax.md: Fix comment typos.  Follow spelling
3842         conventions.
3843
3844 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3845
3846         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3847         tests, instead of `less than'.
3848
3849 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3850
3851         * function.c (assign_parm_setup_block): When creating a new stack slot
3852         for a parameter, get its alignment from the parameter's DECL_ALIGN
3853         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3854         is at least word aligned.
3855
3856 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3857
3858         PR middle-end/19378
3859         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3860
3861 2005-01-22  Richard Henderson  <rth@redhat.com>
3862
3863         PR target/19506
3864         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3865         in both compare operands.
3866         (movdfcc_1_sse_max): Likewise.
3867         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3868         (movdfcc_1_sse): Likewise.
3869         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3870         scratch register as needed.
3871
3872 2005-01-22  Richard Henderson  <rth@redhat.com>
3873
3874         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3875
3876         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3877
3878 2005-01-22  Richard Henderson  <rth@redhat.com>
3879
3880         * genopinit.c (optabs): Use smin/smax for floating point too.
3881         * doc/md.texi: Update to match.  Clarify that floating point
3882         results are undefined for +0/-0 and NaN.
3883         * doc/rtl.texi: Likewise.
3884         * rtl.def (SMIN, SMAX): Likewise
3885         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3886
3887         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3888         leading 's' to the name.
3889         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3890         smaxxf3, sminxf3): Likewise.
3891         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3892         Likewise.
3893
3894 2005-01-22  Paul Brook  <paul@codesourcery.com>
3895
3896         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3897
3898 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3899
3900         * config/s390/s390.c (struct processor_costs): New fields
3901         dlgr, dlr, dr, dsgfr, dsgr.
3902         (z900_cost, z990_cost): Values for new fields.
3903         (s390_rtx_costs): New cases MEM und COMPARE in switch
3904         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3905         DIV, MOD, UDIV, UMOD.
3906
3907 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3908
3909         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3910         into the register being decremented.
3911         ("doloop_si31", "doloop_di"): Likewise.
3912         ("*doloop_si_long"): Adapt pattern.
3913
3914 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3915
3916         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3917         access registers.
3918         (CLASS_MAX_NREGS): Likewise.
3919
3920 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3921
3922         * doc/tree-ssa.texi (Statement Operands): Add example for new
3923         must-def macro. Note deprecation of old operands interface.
3924
3925 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3926
3927         PR tree-optimization/19484
3928         * tree-cfg.c (remove_fallthru_edge): New function.
3929         (cleanup_control_flow): Remove fallthru edges from calls that are
3930         now known not to return.
3931
3932 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3933
3934         Fix PR tree-optimization/19038
3935         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3936         copies with loop variant ones.
3937
3938 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3939
3940         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3941         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3942         config/alpha/alpha.md, config/alpha/predicates.md,
3943         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3944         config/sparc/sol2.h: Update copyright.
3945
3946         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3947         first label to see if it is a nonlocal label.
3948
3949 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3950             Andrew Pinski  <pinskia@physics.uc.edu>
3951
3952         PR target/19491
3953         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3954         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3955
3956 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3957
3958         * config/rs6000/rtems.h: Update copyright.
3959
3960 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3961
3962         PR target/19548
3963         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3964         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3965         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3966
3967 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3968
3969         PR c/18809
3970         * c-typeck.c (convert_arguments): Check for error_mark_node.
3971
3972 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3973
3974         PR tree-optimization/13000
3975         * tree-inline.c: Include "tree-flow.h".
3976         (expand_call_inline): If warn_return_type, warn if non-void inline
3977         function falls through.
3978         * tree-cfg.c (execute_warn_function_return): Don't warn about
3979         control reaching end if TREE_NO_WARNING is set.  Set
3980         TREE_NO_WARNING.
3981         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3982         has been lowered.
3983         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3984         branch if we don't need one.
3985         * c-typeck.c: Include "tree-flow.h"
3986         (c_finish_bc_stmt): Don't add a goto if the current statement
3987         list doesn't fall through to the current point.
3988
3989 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3990
3991         PR rtl-optimization/576
3992         * real.c (real_arithmetic): Change return type from void to bool
3993         to return an indication that the result may be inexact.
3994         * real.h (real_arithmeric): Update prototype.
3995         * fold-const.c (const_binop):  Don't constant fold floating
3996         point expressions when the user specifies -frounding-math and
3997         the result may depend upon the run-time rounding mode.
3998         (fold_convert_const_real_from_real): Clean-up.
3999         (fold_initializer): Ignore flag_rounding_math for initializers.
4000         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
4001         constant fold FP operations with flag_rounding_math if the
4002         result may depend upon the run-time rounding mode.
4003
4004 2005-01-21  Tom Tromey  <tromey@redhat.com>
4005
4006         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
4007
4008 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
4009
4010         * tree-cfg.c: Fix comment typos.
4011
4012 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
4013
4014         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
4015         around the call to rest_of_handle_branch_target_load_optimize.
4016
4017 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4018
4019         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
4020         (sparc64-*-openbsd*): Likewise.
4021         (sparclite-*-elf*): Include tm-dwarf2.h.
4022         (sparc86x-*-elf*): Likewise.
4023         (sparc64-*-elf*): Likewise.
4024         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
4025         (DBX_DEBUGGING_INFO): Likewise.
4026         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
4027         (PREFERRED_DEBUGGING_TYPE): Likewise.
4028         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4029         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
4030         (PREFERRED_DEBUGGING_TYPE): Likewise.
4031         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
4032         (PREFERRED_DEBUGGING_TYPE): Likewise.
4033         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
4034
4035 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
4036
4037         PR target/18701
4038         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
4039
4040 2005-01-20  Paul Brook  <paul@codesourcery.com>
4041
4042         * doc/rtl.texi: Document value extension requirements for CONST_INT.
4043
4044 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4045
4046         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
4047         label is first in a sequence of labels.
4048
4049         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
4050
4051 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
4052             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
4053
4054         * doc/sourcebuild.texi (Test Directives): New.
4055
4056 2005-01-20  Roger Sayle  <roger@eyesopen.com>
4057
4058         * real.c (real_floor): Don't leave the result uninitialized when
4059         mode is VOIDMode, but return the unrounded intermediate value.
4060         (real_ceil): Likewise.
4061
4062 2005-01-20  Paul Brook  <paul@codesourcery.com>
4063
4064         * config/arm/arm.md (insv): Use gen_int_mode.
4065
4066 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067
4068         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
4069         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4070         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4071         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4072         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
4073
4074 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
4075
4076         Fix PR debug/19124
4077         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
4078         fbreg, so we have to assume we can't.
4079         (loc_descriptor_from_tree_1): Ditto.
4080         (containing_function_has_frame_base): New function.
4081         (add_location_or_const_value_attribute): Use it.
4082         Also try to generate a frame_base from a single element location
4083         list.
4084
4085 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4086
4087         PR tree-optimization/15349
4088         * timevar.def (TV_TREE_MERGE_PHI): New.
4089         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
4090         PHI_WANTED.
4091         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
4092         calls to tree_forwarder_block_p.
4093         (remove_forwarder_block_with_phi, merge_phi_nodes,
4094         gate_merge_phi, pass_merge_phi): New.
4095         * tree-optimize.c (init_tree_optimization_passes): Add
4096         pass_merge_phi.
4097         * tree-pass.h: Add an extern for pass_merge_phi;
4098
4099 2005-01-20  Richard Henderson  <rth@redhat.com>
4100
4101         PR target/19418
4102         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
4103         (_mm_castps_pd, _mm_castps_si128): New.
4104         (_mm_castsi128_ps, _mm_castsi128_pd): New.
4105
4106 2005-01-20  Richard Henderson  <rth@redhat.com>
4107
4108         PR target/19530
4109         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
4110         __builtin_ia32_vec_init_v2si.
4111         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
4112         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
4113         (ix86_init_mmx_sse_builtins): Create it.
4114         (ix86_expand_builtin): Expand it.
4115         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
4116         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
4117         (vec_extractv2si_0, vec_extractv2si_1): New.
4118
4119 2005-01-20  Richard Henderson  <rth@redhat.com>
4120
4121         PR target/16533
4122         * config/i386/i386.c (ix86_expand_push): New.
4123         * config/i386/mmx.md (push<MMXMODE>1): New.
4124         * config/i386/sse.md (push<SSEMODE>1): New.
4125         * config/i386/i386-protos.h: Update.
4126
4127 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
4128
4129         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
4130         copyright.
4131
4132 2005-01-20  Richard Henderson  <rth@redhat.com>
4133
4134         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
4135         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
4136
4137 2005-01-19  Richard Henderson  <rth@redhat.com>
4138
4139         PR target/19350
4140         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
4141         to V4SFmode in SSE1 fallback load path.
4142
4143 2005-01-19  Richard Henderson  <rth@redhat.com>
4144
4145         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
4146         in QImode expansion to ix86_expand_vector_set.
4147         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
4148
4149 2005-01-19  Richard Henderson  <rth@redhat.com>
4150
4151         PR target/19511
4152         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
4153         subclass of the input class.
4154         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
4155         Always true for cross-SSE1 classes.  Rationalize conditionals.
4156         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
4157         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
4158         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
4159         (movdi_2): Add MMX/SSE zeros.
4160         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
4161         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
4162         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
4163         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
4164         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
4165         (zero_extendsidi2_rex64_1): Remove.
4166         (MOV0 peephole): Check GENERAL_REG_P.
4167
4168 2005-01-19  Richard Henderson  <rth@redhat.com>
4169
4170         PR target/19427
4171         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
4172         shufps elements.
4173         (ix86_expand_vector_extract): Likewise.
4174
4175 2005-01-19  Richard Henderson  <rth@redhat.com>
4176
4177         PR middle-end/19304
4178         * expr.c (emit_move_change_mode): New argument force; use
4179         simplify_gen_subreg if true.
4180         (emit_move_via_alt_mode): Merge into ...
4181         (emit_move_via_integer): ... here.
4182         (emit_move_ccmode): Use emit_move_change_mode directly.
4183
4184 2005-01-19  Richard Henderson  <rth@redhat.com>
4185
4186         PR target/19518
4187         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
4188         (alpha_preferred_reload_class): Handle CONST_VECTOR.
4189         (alpha_emit_set_const_1): Add no_output parameter; don't emit
4190         rtl if true.
4191         (alpha_emit_set_const): Likewise.  Make static.
4192         (alpha_emit_set_long_const): Make static.
4193         (alpha_extract_integer): Split out from alpha_expand_mov.
4194         (alpha_split_const_mov): Likewise.
4195         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
4196         (alpha_legitimate_constant_p): New.
4197         * config/alpha/alpha-protos.h: Update.
4198         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
4199         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
4200         * config/alpha/alpha.md (movsi): Add n alternative.
4201         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
4202         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
4203         (splitters for all of the above): Use alpha_split_const_mov.
4204         * config/alpha/predicates.md (non_add_const_operand): New.
4205         (non_zero_const_operand): New.
4206         (input_operand): Use alpha_legitimate_constant_p after reload.
4207
4208 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4209
4210         PR tree-optimization/19038
4211         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
4212         (add_candidate): Add ivs with increment in latch only if
4213         allow_ip_end_pos_p is true.
4214         (determine_iv_cost): Use empty_block_p.
4215
4216 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
4217
4218         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
4219         (compute_dominance_frontiers): Ditto.
4220
4221 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
4222
4223         PR target/19529
4224         * config/sh/t-rtems: New.
4225         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
4226
4227 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
4228
4229         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
4230         the offset of the selected field.
4231
4232 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
4233
4234         * tree-cfg.c (remove_forwarder_block): Fix the check to
4235         prevent a nonlocal label from appearing in the middle of a
4236         basic block.
4237
4238 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
4239
4240         PR rtl-optimization/19462
4241         * reorg.c (find_end_label): Create return insn only if
4242         current_function_epilogue_delay_list is empty.
4243
4244 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
4245
4246         * doc/passes.texi: Remove paragraph mentioning new-ra.
4247
4248 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
4249
4250         PR rtl-optimization/15139
4251         * combine.c: Include params.h.
4252         (count_rtxs): New function.
4253         (record_value_for_reg): If replace_rtx would replace at least
4254         2 occurrences of REG in VALUE and TEM is really large, replace REG with
4255         (clobber (const_int 0)) instead of TEM.
4256         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
4257         * params.h (MAX_LAST_VALUE_RTL): New.
4258         * Makefile.in (combine.o): Depend on $(PARAMS_H).
4259         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
4260
4261         PR c/17297
4262         * c-typeck.c (digest_init): Only call build_vector if all constructor
4263         elements are *_CST nodes.
4264         * gimplify.c (gimplify_init_constructor): Likewise.
4265
4266         PR middle-end/19164
4267         * c-typeck.c (digest_init): Only call build_vector if inside_init
4268         is a CONSTRUCTOR.
4269
4270 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4271
4272         * toplev.c (init_asm_output): Remove dead #ifdef.
4273
4274 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4275
4276         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
4277
4278 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4279
4280         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
4281         accessing DECL_FUNCTION_CODE.
4282         * dojump.c (do_jump): Likewise.
4283         * gimplify.c (gimplify_call_expr): Likewise.
4284         * predict.c (expr_expected_value): Likewise.
4285         (strip_builtin_expect): Likewise.
4286         * tree-inline.c (estimate_num_insns_1): Likewise.
4287         * tree-ssa-loop-im.c (stmt_cost): Likewise
4288         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
4289         (tree_expr_nonnegative_p): Likewise.
4290
4291 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4292
4293         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
4294         variant of the load_pcrel_sym pattern.
4295         * config/sparc/sparc.md (P macro): Move to the top.
4296         (load_pcrel_sym): Macroize using P.
4297         (save_register_window): Likewise.
4298
4299 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
4300
4301         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
4302         ("sordered"): Same.
4303
4304 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
4305
4306         PR C/19472
4307         * c-typeck.c (build_asm_expr): Strip nops off
4308         input memory operands.
4309
4310 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
4311
4312         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
4313         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
4314         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
4315         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
4316
4317 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
4318
4319         PR target/19379
4320         * config/i386/i386.c (override_options): If the 80387 is disabled,
4321         then do not return FP values using FP registers.
4322
4323 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
4324
4325         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
4326         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
4327         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
4328         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
4329         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
4330         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
4331         output.h, postreload-gcse.c, postreload.c, recog.c,
4332         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
4333         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
4334         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
4335         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
4336         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
4337         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
4338         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
4339         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
4340
4341         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
4342         config/alpha/alpha.c, config/arm/vfp.md,
4343         config/i386/emmintrin.h, config/i386/i386-modes.def,
4344         config/i386/i386-protos.h, config/i386/i386.h,
4345         config/i386/pmmintrin.h, config/i386/ppro.md,
4346         config/i386/predicates.md, config/i386/xmmintrin.h,
4347         config/i860/i860.c, config/ia64/ia64-modes.def,
4348         config/ia64/ia64-protos.h, config/ia64/ia64.h,
4349         config/ia64/ia64.md, config/ia64/itanium1.md,
4350         config/ia64/itanium2.md, config/ia64/predicates.md,
4351         config/iq2000/iq2000.h, config/mips/linux64.h,
4352         config/rs6000/aix41.h, config/rs6000/aix43.h,
4353         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
4354         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4355         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
4356         config/sparc/linux64.h, config/sparc/litecoff.h,
4357         config/sparc/sp64-elf.h, config/sparc/sparc.c,
4358         config/sparc/sparc.h, config/sparc/sparc.md,
4359         config/sparc/sysv4-only.h: Update copyright.
4360
4361 2005-01-18  Richard Henderson  <rth@redhat.com>
4362
4363         PR target/19496
4364         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
4365
4366 2005-01-18  Marc Espie  <espie@openbsd.org>
4367         * config/i386/openbsdelf.h: Typo.
4368
4369 2005-01-18  Richard Henderson  <rth@redhat.com>
4370
4371         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4372         special case for sse.
4373         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4374
4375 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4376
4377         * tree-inline.c (estimate_num_insns_1): Added cases for
4378         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4379
4380 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4381
4382         PR rtl-optimization/19296
4383         * combine.c (simplify_comparison): Rewrite the condition under
4384         which a non-paradoxical SUBREG of a PLUS can be lifted when
4385         compared against a constant.
4386
4387 2005-01-18  Andi Kleen <ak@muc.de>
4388
4389         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4390         * c.opt (-Wpointer-sign): Add.
4391         * doc/invoke.texi: (-Wpointer-sign): Add.
4392
4393 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4394
4395         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4396         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4397         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4398         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4399         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4400         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4401         for TARGET_MIX_SSE_I387.
4402         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4403         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4404         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4405         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4406         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4407         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4408         TARGET_MIX_SSE_I387.
4409         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4410         from expander.
4411
4412 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4413
4414         PR target/19424
4415         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4416         Add movaps alternative for xmm reg->reg move.
4417
4418 2005-01-17  Jeff Law  <law@redhat.com>
4419
4420         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4421         at the end of the main DOM loop rather than just before DOM exits.
4422
4423 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4424
4425         PR tree-optimization/19121
4426         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4427         adding aliases to a name tag, also add them to the pointer's
4428         type tag.
4429         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4430         sensitive alias info at all.  Only check that the two pointers
4431         have compatible pointed-to sets.
4432         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4433         a pointer's type tag is a superset of the alias set of the
4434         pointer's name tag.
4435
4436 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4437
4438         PR target/19357
4439         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4440         comment to document why.
4441
4442 2005-01-17  Richard Henderson  <rth@redhat.com>
4443
4444         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4445         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4446         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4447         sse2_vmsminv2df3_finite): New.
4448         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4449         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4450         Force op1 into register.
4451
4452 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4453
4454         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4455         bubblestrap from always rebuilding build directory.
4456
4457 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4458
4459         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4460         ("*cmpmem_short"): Likewise.
4461
4462 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4463
4464         * basic-block.h: Document BB_* flags.
4465         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4466         use an sbitmap instead.
4467         * sched-rgn.c (compute_trg_info): Likewise.
4468
4469 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4470
4471         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4472         redundant target_cpu_default and extra_parts lines.  Use the default
4473         "from-abi" ISA.
4474         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4475         (SUBTARGET_EXTRA_SPECS): Delete.
4476         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4477         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4478         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4479         and "n32" for -mabi=n32.
4480
4481 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4482
4483         PR c/5675
4484         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4485         fold constant variables into initial values.
4486
4487 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4488
4489         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4490
4491         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4492         through the statements backward.
4493
4494 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4495
4496         PR middle-end/13127:
4497         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4498         a variable set to the return value of the inlined function.
4499
4500 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4501
4502         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4503         when modes are tieable.
4504
4505 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4506
4507         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4508         of pthread_create to find out if threads are enabled.
4509         * gthr-posix95.h (__gthread_active_p): Likewise.
4510
4511 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4512
4513         * common.opt (-fnew-ra): Remove.
4514         * ra*.*: Remove.
4515         * toplev.h (flag_new_regalloc): Remove.
4516         * Makefile.in (ra*.*): Don't mention.
4517         * passes.c (rest_of_handle_new_regalloc): Remove.
4518         (rest_of_handle_combine, rest_of_compilation): Always consider
4519         flag_new_regalloc as false.
4520         * doc/invoke.texi: Don't document -fnew-ra.
4521
4522 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4523
4524         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4525         last parameter to reg_scan.
4526         * loop.c (loop_optimize): Likewise.
4527         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4528         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4529         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4530         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4531         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4532         * regclass.c (reg_scan): Likewise, for the declaration.
4533         * rtl.h (reg_scan): Likewise, for the prototype.
4534
4535 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4536
4537         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4538         mark_dfs_back_edges.
4539
4540 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4541
4542         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4543         (compute_avail): Uses don't go in tmp_gen.
4544
4545 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4546
4547         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4548         loop to look for a free slot in a page entry.
4549
4550 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4551
4552         PR target/16304
4553         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4554         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4555         just before targetm.asm_out.file_end.
4556         * tree.h (process_pending_assemble_output_defs): Declare.
4557         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4558         New functions.
4559         (assemble_alias): Defer generation of assembly code for defines when
4560         TARGET_DEFERRED_OUTPUT_DEFS is true.
4561         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4562         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4563         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4564
4565 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4566
4567         PR target/19336
4568         * pa.c (pa_scalar_mode_supported_p): New function.
4569         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4570         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4571
4572         * pa-protos.h (prefetch_operand): Delete.
4573         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4574         * pa.c (prefetch_operand): Delete.
4575         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4576         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4577         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4578         and prefetch_nocc_operand.
4579         * pa.md (prefetch): Rework to avoid reload problems handling short
4580         displacements when a cache control completer needs to be provided.
4581         (prefetch_32, prefetch_64): Delete.
4582         (prefetch_cc, prefetch_nocc): New patterns.
4583
4584 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4585
4586         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4587
4588 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4589
4590         PR ada/19388
4591         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4592         exceeds maximum alignment for global common data.
4593         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4594         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4595
4596 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4597
4598         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4599
4600 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4601
4602         * harg-reg-set.h (reg_class_names): Prototype global array.
4603         * regclass.c (reg_class_names): Declare here and initialize to
4604         REG_CLASS_NAMES.
4605         (dump_regclass): Remove local declaration of reg_class_names.
4606         (regclass): Likewise.
4607         * cfg.c (dump_flow_info): Likewise.
4608         * ra-debug.c (reg_class_names): Likewise.
4609         * regrename.c (reg_class_names): Likewise.
4610         * reload.c (reg_class_names): Likewise.
4611         * reload1.c (spill_failure): Likewise.
4612         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4613
4614 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4615
4616         * config/s390/s390.md ("reload_outti"): Remove predicate for
4617         output operand.  Abort if operand is not a MEM.
4618         ("reload_outdi", "reload_outdf"): Likewise.
4619
4620 2005-01-15  Marc Espie  <espie@openbsd.org>
4621
4622         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4623         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4624         * config/openbsd.h:  Fix C++ includes for native configurations.
4625         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4626         Add trampoline support.
4627         * config/i386/openbsdelf.h: New.
4628
4629 2005-01-15  Marc Espie  <espie@openbsd.org>
4630
4631         * collect2.c (main): Explicitly parse -dynamic-linker option.
4632
4633 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4634
4635         PR tree-optimization/19060
4636         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4637         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4638         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4639         and handle extract_range_from_cond returning false.
4640         * fold-const.c (fold): Optimize comparisons with min/max even for
4641         width > HOST_BITS_PER_WIDE_INT.
4642
4643 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4644
4645         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4646         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4647         Remove little endian multilib variants.
4648         Add mips32 multilib variant.
4649
4650 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4651
4652         * explow.c (copy_all_reg, stabilize): Remove.
4653         * expr.h: Remove the corresponding prototypes.
4654
4655         * rtlanal.c (regs_set_between_p): Remove.
4656         * rtl.h: Remove the corresponding prototype.
4657
4658 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4659
4660         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4661         to rs6000_nonimmediate_operand.
4662         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4663         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4664         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4665         rs6000_nonimmediate_operand.
4666         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4667         rs6000_nonimmediate_operand.
4668
4669 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4670
4671         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4672
4673 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4674
4675         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4676         on e500v2.
4677         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4678         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4679
4680         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4681         (rs6k_nonimmediate_operand): New.
4682         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4683         correctly.
4684         (legitimate_lo_sum_address_p): Same.
4685         (rs6000_legitimize_address): Same.
4686         (rs6000_legitimize_reload_address): Same.
4687         (rs6000_legitimate_address): Same.
4688         (spe_build_register_parallel): Pass DF and DC modes in a DI
4689         register.
4690
4691         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4692         to rs6k_nonimmediate_operand.
4693
4694         * config/rs6000/spe.md ("*frob_df_di"): New.
4695         ("*frob_di_df"): New.
4696         ("*frob_di_df_2"): New.
4697         ("*mov_sidf_e500_subreg0"): New.
4698         ("*mov_sidf_e500_subreg4"): New.
4699         ("*movdf_e500_double"): Change predicate to
4700         rs6k_nonimmediate_operand.
4701
4702 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4703
4704         * postreload.c (move2add_note_store): Only call
4705         trunc_int_for_mode on scalar integers.
4706
4707 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4708
4709         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4710         replace BB_VISITED uses.
4711         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4712         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4713         (tree_dce_done): Free visited_control_parents.
4714         (perform_tree_ssa_dce): Allocate and clear it.
4715         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4716         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4717         instead of BB_VISITED.
4718
4719 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4720
4721         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4722         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4723         Remove unused prototypes.
4724
4725 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4726
4727         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4728         64-bit register usage.
4729         (spe_func_has_64bit_regs_p): Add FIXME note.
4730
4731 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4732
4733         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4734         flag_finite_math_only with flag_unsafe_math_optimizations.
4735
4736 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4737
4738         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4739         end-of-stack check.
4740         (__tpf_eh_return): Copy TPF private stack area from the module
4741         boundary stack frame.  Add check for when module addresses are
4742         equal, but no stub address is found.
4743
4744 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4745
4746         PR target/7525
4747         * arm.h (struct machine_function): Add call_via field.
4748         (thumb_call_via_label): Declare.
4749         * arm.c (thumb_call_via_label): New variable.
4750         (thumb_call_reg_needed): New variable.
4751         (arm_output_function_epilogue): For Thumb code, output any per-function
4752         call-indirect trampolines.
4753         (thumb_call_via_reg): New function.
4754         (arm_file_end): New function.
4755         (TARGET_ASM_FILE_END): Call arm_file_end.
4756         (aof_file_end): Likewise.
4757         * arm-protos.h (thumb_call_via_reg): Declare.
4758         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4759         thumb_call_via_reg in normal case.
4760
4761 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4762
4763         PR middle-end/19084
4764         PR rtl-optimization/19348
4765         * recog.c (peephole2_optimize): Do global life update if some peephole
4766         decides it doesn't need at least one of its inputs and that change
4767         influences liveness at the start of the basic block.
4768
4769         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4770         arguments instead of 1.
4771
4772 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4773
4774         PR middle-end/18820
4775         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4776         zero for nested functions needing a static chain or functions
4777         with a non-constant address.
4778
4779 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4780
4781         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4782         (and (sign_extend X) C) into (zero_extend (and X C)).
4783
4784 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4785
4786         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4787
4788 2005-01-13  Richard Henderson  <rth@redhat.com>
4789
4790         PR target/19009
4791         PR target/19250
4792         PR target/19252
4793         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4794         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4795         not just TARGET_SSE.
4796         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4797         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4798         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4799         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4800         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4801         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4802         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4803         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4804         (movdicc_c_rex64): Rename with '*'.
4805         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4806         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4807         (movsfcc_1_387): Rename from movsfcc_1.
4808         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4809         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4810         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4811         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4812         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4813         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4814         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4815         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4816         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4817         sse_movdfcc_const0_4): Remove.
4818         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4819         recognize min/max early.  Update for changed sse cmove patterns.
4820         (ix86_split_sse_movcc): New.
4821         * config/i386/i386-protos.h: Update.
4822
4823 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4824
4825         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4826         (fix_stmt_v_may_defs): Likewise.
4827
4828 2005-01-13  Richard Henderson  <rth@redhat.com>
4829
4830         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4831         for converting the mask.
4832
4833 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4834
4835         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4836         definition to 600.
4837
4838 2005-01-13  Richard Henderson  <rth@redhat.com>
4839
4840         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4841         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4842         IX86_BUILTIN_MOVDQ2Q): Remove.
4843         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4844         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4845         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4846         shuffling.
4847         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4848         (sse2_pextrw): Fix immediate constraint.
4849         (sse2_loadq, sse2_loadq_rex64): Remove.
4850         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4851         Use __builtin_ia32_vec_ext_<size>.
4852         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4853
4854 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4855
4856         * function.c (assign_parm_setup_block): Look inside original
4857         entry_parm when inspecting PARALLEL.
4858
4859 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4860             Joel Sherrill  <joel@oarcorp.com>
4861
4862         PR target/19399
4863         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4864         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4865         rtems_gxx_recursive_mutex_init.
4866         (__gthread_recursive_mutex_lock): New function.
4867         (__gthread_recursive_mutex_trylock): Likewise.
4868         (__gthread_recursive_mutex_unlock): Likewise.
4869
4870 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4871
4872         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4873
4874 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4875
4876         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4877         (ashrti3_internal): Indicate output is early clobber. Generate result
4878         into output rather than first input. Use move for low word of output
4879         if shift count is exactly 64.
4880         (lshrti3_internal): Likewise.
4881
4882 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4883
4884         PR target/18329
4885         PR target/18330
4886         * reload1.c (delete_output_reload): Don't delete an output reload
4887         if the pseudo lives longer than a single basic block.  Adjust and
4888         improve wording of comment.
4889
4890 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4891
4892         PR target/19334
4893         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4894         of TYPE_SIZE where we mean the number of bytes.
4895
4896 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4897
4898         * function.c (assign_parm_setup_block): Relax condition on
4899         multi-register optimization.
4900
4901 2005-01-12  Nick Clifton  <nickc@redhat.com>
4902
4903         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4904         an "in_delay_slot" attribute of "no" to prevent them being used in
4905         delay slots.  This is forbidden because they might generate
4906         exceptions.
4907
4908 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4909
4910         PR target/19389
4911         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4912         with r->Y and Y->r.
4913
4914 2005-01-12  Nick Clifton  <nickc@redhat.com>
4915
4916         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4917         passed on to GAS) but do not define, as GAS no longer supports or
4918         needs the -m2000 option.
4919
4920 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4921
4922         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4923         type as args of unprototyped builtins aren't automatically promoted.
4924         (fold_builtin_abs): Likewise.
4925
4926 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4927
4928         * Makefile.in: Set a `build-warn' variable.
4929
4930 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4931
4932         PR tree-optimization/17949
4933         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4934         (find_interesting_uses_address): Use it.
4935
4936 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4937
4938         * regrename.c (kill_value): Handle subreg's that won't simplify.
4939
4940 2005-01-11  Richard Henderson  <rth@redhat.com>
4941
4942         PR target/13366
4943         * config/i386/i386.h (enum ix86_builtins): Move ...
4944         * config/i386/i386.c: ... here.
4945         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4946         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4947         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4948         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4949         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4950         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4951         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4952         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4953         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4954         IX86_BUILTIN_LOADDDUP): Remove.
4955         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4956         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4957         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4958         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4959         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4960         (ix86_init_builtins): Make static.
4961         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4962         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4963         if all the modes match.  Otherwise, fake it.
4964         (get_element_number, ix86_expand_vec_init_builtin,
4965         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4966         (ix86_expand_builtin): Make static.  Update for changed builtins.
4967         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4968         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4969         (ix86_expand_vector_init_duplicate): New.
4970         (ix86_expand_vector_init_low_nonzero): New.
4971         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4972         Split out from ix86_expand_vector_init; handle integer modes.
4973         (ix86_expand_vector_init): Use them.
4974         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4975         * config/i386/i386-protos.h: Update.
4976         * config/i386/predicates.md (reg_or_0_operand): New.
4977         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4978         (movv2sf_internal): Likewise.  And a splitter to match them all.
4979         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4980         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4981         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4982         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4983         (mmx_pinsrw): Fix operand ordering.
4984         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4985         rather than sse_loadss expander.
4986         (movv2df splitter): Similarly.
4987         (sse_loadss, sse_loadlss): Remove.
4988         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4989         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4990         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4991         (sse3_movddup): Rename with '*'.
4992         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4993         (sse2_loadsd): Remove.
4994         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4995         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4996         (sse2_pinsrw): Fix argument ordering.
4997         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4998         (sse2_stored): Remove 'r' destination.
4999         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
5000         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
5001         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
5002         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
5003         vec_extractv16qi, vec_initv16qi): New.
5004
5005         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
5006         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
5007         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
5008         constructor form.
5009         (_mm_load_pd, _mm_store_pd): Use plain dereference.
5010         (_mm_load_si128, _mm_store_si128): Likewise.
5011         (_mm_load1_pd): Use _mm_set1_pd.
5012         (_mm_load_sd): Use _mm_set_sd.
5013         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
5014         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
5015         (_mm_set_epi64): Use _mm_set_epi64x.
5016         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
5017         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
5018         _mm_setr_epi8): Use _mm_set_foo form.
5019         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
5020         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
5021         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
5022         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
5023         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
5024         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
5025         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
5026         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
5027         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
5028         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
5029         (_mm_movedup_pd): Use _mm_shuffle_pd.
5030         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
5031         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
5032         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
5033         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
5034         Use _mm_setzero_ps.
5035         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
5036         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
5037         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
5038         (_mm_store_ps): Use raw dereference.
5039         (_mm_store1_ps): Use _mm_storeu_ps.
5040         (_mm_storer_ps): Use _mm_store_ps.
5041         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
5042         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
5043
5044 2005-01-11  Stan Shebs  <shebs@apple.com>
5045
5046         * config/rs6000/rs6000.c (machopic_output_stub): Issue
5047         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
5048
5049 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
5050
5051         PR target/18761
5052         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
5053         Skip all DECLs except for FIELD_DECLs.
5054
5055 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5056
5057         * config/s390/s390.c (override_options): Return error if
5058         -mbackchain, -mpacked-stack and -mhard-float are used together.
5059         (s390_va_start): Remove the backchain && packed-stack special case.
5060         (s390_gimplify_va_arg): Likewise.
5061         * doc/invoke.texi: Remove the ABI incompatibility note.
5062
5063 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
5064
5065         * config/s390/s390.c (struct s390_frame_layout): Remove
5066         save_backchain_p.
5067         (s390_frame_info, s390_emit_prologue): Replace occurrences of
5068         save_backchain_p with TARGET_BACKCHAIN.
5069
5070 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5071
5072         PR target/18916
5073         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
5074         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
5075         * function.c (locate_and_pad_parm): Set new field.
5076         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
5077         Tweak where_pad test to include "none".  Always set mem align for
5078         stack_parm.
5079         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
5080         not sufficient for type.
5081         (assign_parm_setup_block): If stack_parm is zero on entry, always
5082         make a new stack local.  Block move old stack parm if necessary
5083         to new aligned stack local.
5084         (assign_parm_setup_stack): Use a block move to handle
5085         potentially misaligned entry_parm.
5086         (assign_parms_unsplit_complex): Specify required alignment when
5087         creating stack local.
5088         * calls.c (compute_argument_addresses): Override alignment of stack
5089         arg calculated from its type with the alignment given by
5090         FUNCTION_ARG_BOUNDARY.
5091         (store_one_arg): Likewise.
5092
5093 2005-01-11  Jan Beulich  <jbeulich@novell.com>
5094
5095         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
5096         Change respective itanium_class attribute to ialu.
5097         (shladdp4_internal): New.
5098         * config/ia64/predicates.md (shladd_log2_operand): New.
5099
5100 2005-01-11  Richard Henderson  <rth@redhat.com>
5101
5102         * expr.c (store_constructor): Use rtvec_alloc instead of
5103         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
5104
5105 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
5106
5107         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
5108
5109 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
5110
5111         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
5112         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
5113         (TARGET_RWRELOC): Define.
5114         (ia64_rwreloc_section_type_flags): Delete.
5115         (ia64_section_type_flags): New function.
5116         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
5117         (TARGET_RWRELOC): Define.
5118
5119 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
5120
5121         PR target/18987
5122         * config/ia64/ia64.c (process_set): For alloc insn, only call
5123         process_epilogue is !frame_pointer_needed.
5124
5125 2005-01-10  Roger Sayle  <roger@eyesopen.com>
5126
5127         PR c++/19355
5128         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
5129         unary operator and can't be treated as a binary/comparison operator.
5130
5131 2005-01-10  Richard Henderson  <rth@redhat.com>
5132
5133         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
5134         (ix86_return_in_memory): Likewise.
5135         (function_arg_advance):  Likewise.  Mirror structure in function_arg
5136         for choosing register to advance.
5137
5138 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
5139
5140         * tree-vectorizer.c, tree.def: Fix comment typos.
5141
5142 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
5143
5144         * config/s390/s390.c (struct processor_costs): 4 new fields:
5145         ddbr, ddr, debr, der.
5146         (s390_rtx_costs): More precise handling of divide instructions.
5147
5148 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
5149
5150         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
5151
5152 2005-01-10  Jan Beulich  <jbeulich@novell.com>
5153
5154         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
5155         names resulting from -ffunction-sections/-fdata-sections and linkonce
5156         ones.
5157         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
5158         based on the section name. Rearrange the section name comparison logic
5159         slightly so that each section name is compared against at most once.
5160
5161 2005-01-10  Ben Elliston  <bje@au.ibm.com>
5162
5163         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
5164         targets for which -fPIC reduces limitations on the GOT size.
5165
5166 2005-01-09  Falk Hueffner  <falk@debian.org>
5167
5168         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
5169         X/C1 cmpop C2.
5170
5171 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
5172
5173         PR target/18720
5174         * collect2.c (main): Set aixrtl_flag for -brtl option.
5175         (resolve_lib_name): Search for .so file extension before .a
5176         if aixrtl_flag set.
5177
5178 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
5179
5180         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
5181         (vect_analyze_data_refs_alignment): Add dump prints.
5182
5183 2005-01-09  Ira Rosen  <irar@il.ibm.com>
5184
5185         * tree-vectorizer.c (vect_analyze_offset_expr): Use
5186         expr_invariant_in_loop_p.
5187         Initialize outputs first thing in the function.
5188         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
5189         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
5190         (vect_analyze_pointer_ref_access): Check that the initial condition of
5191         the access function is loop invariant.
5192
5193 2005-01-09  Richard Henderson  <rth@redhat.com>
5194
5195         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
5196         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
5197         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
5198         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
5199         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
5200         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
5201         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
5202         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
5203         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
5204         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
5205         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
5206         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
5207         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
5208         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
5209         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
5210         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
5211         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
5212         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
5213         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
5214         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
5215         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
5216         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
5217         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
5218         mmx_ prefix.
5219         (mmx_clrdi, pavgusb): Remove.
5220         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
5221         with leading sse_ prefix.
5222         * config/i386/sse.md: Receive them.
5223         * config/i386/mmx.md: New file.
5224         (MMXMODE12, MMXMODE24, mmxvecsize): New.
5225         (subrv2sf3): Turn into expander for normal subtraction.
5226         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
5227         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
5228         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
5229         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
5230         commutative; use ix86_binary_operator_ok.
5231         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
5232         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
5233         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
5234         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
5235         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
5236         Macroize from existing patterns; use ix86_binary_operator_ok.
5237         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
5238         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
5239         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
5240         with vec_select+vec_concat.
5241         (mmx_pshufw, mmx_pshufw_1): Likewise.
5242         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
5243         (mmx_uavgv4hi3): Model correctly.
5244         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
5245         _mm_xor_si64): Remove casts.
5246
5247 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
5248
5249         PR tree-optimization/19224
5250         * tree-scalar-evolution.c (get_instantiated_value,
5251         set_instantiated_value): New functions.
5252         (instantiate_parameters_1): Cache the results.
5253         (instantiate_parameters, resolve_mixers): Initialize and free
5254         the cache.
5255
5256 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
5257
5258         * config/i386/i386.md (addhi_4): Correct reference in comment.
5259         (addqi_4): Same.
5260
5261 2005-01-08  Richard Henderson  <rth@redhat.com>
5262
5263         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
5264         (_mm_cvtsi128_si64x): Likewise.
5265         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
5266         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
5267         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
5268         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
5269         * config/i386/i386-protos.h: Update.
5270         * config/i386/i386.c (print_operand): Add 'H'.
5271         (ix86_fixup_binary_operands): Split out from ...
5272         (ix86_expand_binary_operator): ... here.
5273         (ix86_fixup_binary_operands_no_copy): New.
5274         (ix86_expand_fp_absneg_operator): Handle vector mode results.
5275         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
5276         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
5277         (safe_vector_operand): Use CONST0_RTX.
5278         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
5279         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
5280         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
5281         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
5282         special cases.
5283         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
5284         (IX86_BUILTIN_CMPNGESS): New.
5285         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
5286         (attr type): Add sselog1.
5287         (attr unit, attr memory): Handle it.
5288         (movti, movti_internal, movti_rex64): Move near other integer moves.
5289         (movtf, movtf_internal): Move near other fp moves.
5290         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
5291         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
5292         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
5293         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
5294         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
5295         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
5296         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
5297         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
5298         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
5299         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
5300         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
5301         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
5302         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
5303         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
5304         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
5305         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
5306         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
5307         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
5308         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
5309         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
5310         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
5311         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
5312         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
5313         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
5314         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
5315         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
5316         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
5317         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
5318         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
5319         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
5320         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
5321         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
5322         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
5323         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
5324         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
5325         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
5326         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
5327         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
5328         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
5329         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
5330         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
5331         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
5332         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
5333         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
5334         same time.
5335         (SSEPUSH, push<SSEPUSH>): Remove.
5336         (MMXPUSH, push<MMXPUSH>): Remove.
5337         (sse_movaps, sse_movaps_1, sse_movups): Remove.
5338         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
5339         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
5340         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
5341         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
5342         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
5343         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
5344         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
5345         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
5346         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
5347         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
5348         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
5349         (ppro_sse_log_V4SF): Handle sselog1.
5350         * config/i386/predicates.md (const_0_to_1_operand): New.
5351         (const_0_to_255_mul_8_operand): New.
5352         (const_1_to_31_operand): Rename from const_int_1_31_operand.
5353         (const_2_to_3_operand, const_4_to_7_operand): New.
5354         * config/i386/sse.md: New file.
5355         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
5356         (sse_movups): Rename from sse_movups_1.
5357         (sse_loadlss): Rename from sse_loadss_1.
5358         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
5359         from the name.
5360         (negv4sf2): Use ix86_expand_fp_absneg_operator.
5361         (absv4sf2, negv2df, absv2df): New.
5362         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
5363         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
5364         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
5365         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
5366         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
5367         (sse3_addsubv4sf3): Model correctly.
5368         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5369         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5370         (sse_movhlps): Model with vec_select+vec_concat.
5371         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5372         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5373         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5374         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5375         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5376         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5377         sse2_pshufhw_1): Likewise.
5378         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5379         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5380         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5381         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5382         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5383         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5384         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5385         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5386         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5387         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5388         sminv8hi3): Mark commutative
5389         operands.  Use ix86_binary_operator_ok.
5390         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5391         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5392         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5393         sse2_punpcklqdq): Allow operand2 in memory.
5394         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5395         sse2_movsd): Add memory alternatives.
5396         (sse_storelps): Turn expander into an insn; split after reload.
5397         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5398         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5399
5400 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5401
5402         * configure.ac (DWARF-2 debug_line): Use objdump.
5403         * configure: Regenerate.
5404
5405 2005-01-08  Jeff Law  <law@redhat.com>
5406             Diego Novillo  <dnovillo@redhat.com>
5407
5408         PR tree-optimization/18241
5409         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5410         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5411         statements with volatile operands.
5412         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5413         operands after marking a statement with has_volatile_ops.
5414
5415 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5416
5417         * tree.c (int_fits_type_p): Always honor integer constant
5418         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5419
5420 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5421
5422         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5423         the latent bug in rtl_delete_block has been resolved.
5424
5425 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5426
5427         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5428         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5429
5430 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5431
5432         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5433         library as @multilib_dir@/$(SHLIB_SONAME).
5434
5435 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5436
5437         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5438         * configure: Regenerate.
5439
5440 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5441
5442         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5443         TYPE_MODE.
5444
5445 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5446
5447         PR target/13674
5448         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5449         Convert non-word aligned offset address using ld/std into
5450         indirect address.
5451
5452 2005-01-07  Richard Henderson  <rth@redhat.com>
5453
5454         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5455
5456 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5457
5458         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5459
5460 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5461
5462         PR tree-optimization/19283
5463         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5464         is not shorter than the original type.
5465
5466         PR rtl-optimization/19012
5467         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5468
5469         PR rtl-optimization/18861
5470         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5471         (FULL_STATE): Define.
5472         (mark_tablejump_edge): New function.
5473         (purge_dead_tablejump_edges): New function.
5474         (find_bb_boundaries): Use it.
5475
5476         PR tree-optimization/18828
5477         * builtins.c (expand_builtin_next_arg): Remove argument and all
5478         the argument checking.
5479         (expand_builtin): Adjust caller.
5480         (expand_builtin_va_start): Likewise.  Remove error for too many
5481         arguments.
5482         (fold_builtin_next_arg): Issue error for too many arguments.
5483         After checking arguments, replace them with magic arguments that
5484         prevent further checking of the args.
5485
5486 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5487
5488         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5489
5490 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5491
5492         PR target/6077
5493         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5494         and %{.S:...} (and their negative variants) to test whether the
5495         input file is assembler or pre-processed-assembler independent of
5496         the actual filename extension.
5497
5498 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5499
5500         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5501         of sign or zero extended values.
5502
5503 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5504
5505         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5506         for IBM long double format correctly.
5507
5508 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5509
5510         Fix PR tree-optimization/18792
5511
5512         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5513         to first_loop_depth, and use loop depth instead of loop number.
5514         (build_classic_dir_vector): Ditto.
5515         (compute_data_dependences_for_loop): Use depth, not loop number.
5516         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5517         number. Pass in loops, instead of loop numbers.
5518         (gather_interchange_stats): Ditto.
5519         (linear_transform_loops): Ditto.
5520
5521 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5522
5523         PR rtl-opt/13299
5524         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5525         biv_fits_mode_p, extension_within_bounds_p): New functions.
5526         (check_ext_dependent_givs): Use them.
5527
5528 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5529
5530         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5531         more than one barrier, in which case we should delete them all.
5532
5533 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5534
5535         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5536
5537 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5538
5539         Fix PR middle-end/19286
5540         Fix PR debug/19267
5541         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5542         output this subprogram, simply ignore this attempt to do it again.
5543         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5544         origin attribute if it's not possible.
5545         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5546         (decls_for_scope): Ditto.
5547         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5548         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5549
5550 2005-01-05  Richard Henderson  <rth@redhat.com>
5551
5552         PR target/11327
5553         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5554         (bdesc_2arg): Use it.
5555         (ix86_expand_binop_builtin): Force operands into registers
5556         when optimizing.
5557         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5558         ix86_expand_sse_compare, ix86_expand_sse_comi,
5559         ix86_expand_builtin): Likewise.
5560
5561 2005-01-05  Richard Henderson  <rth@redhat.com>
5562
5563         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5564         and VEC_SELECT.
5565         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5566         (mulv4hi3): Set itanium_class mmmul.
5567         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5568         (fpack): Rename from fpack_sfsf.
5569
5570 2005-01-05  Richard Henderson  <rth@redhat.com>
5571
5572         PR rtl-opt/10692
5573         * reload1.c (do_input_reload): Restrict the optimization deleteing
5574         a previous output reload to RELOAD_FOR_INPUT.
5575
5576 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5577
5578         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5579         comment that we fall through after case.
5580         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5581         (distribute_links): Likewise.
5582         * cse.c (cse_insn): Likewise.
5583         * cselib.c (cselib_invalidate_mem): Likewise.
5584         * df.c: Update comments at the top of the file.
5585         (read_modify_subreg_p): Update comments here too.
5586         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5587         * flow.c (mark_set_1): Likewise.
5588         (mark_used_regs): Likewise.
5589         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5590         (canon_list_insert): Likewise.
5591         (mark_set): Likewise.
5592         (try_replace_reg): Likewise.
5593         (store_killed_in_insn): Likewise.
5594         * loop.c (count_one_set): Likewise.
5595         (basic_induction_var): Likewise.
5596         * postreload-gcse.c (find_mem_conflicts): Likewise.
5597         * postreload.c (reload_combine_note_store): Likewise.
5598         (move2add_note_store): Likewise.
5599         * reload.c (find_equiv_reg): Likewise.
5600         (mark_referenced_resources): Likewise.
5601         * rtlanal.c (set_noop_p): Likewise.
5602         (note_stores): Likewise.
5603         (note_uses): Likewise.
5604         * sched-deps.c (sched_analyze_1): Likewise.
5605         * sched-rgn.c (check_live_1): Likewise.
5606         (update_live_1): Likewise.
5607         * config/i860/i860.c: Likewise.
5608
5609         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5610         an lvalue.
5611         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5612
5613         * doc/rtl.texi: Update documentation for bit-fields and SET.
5614
5615 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5616
5617         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5618
5619 2005-01-05  Jan Hubicka  <jh@suse.cz>
5620             Richard Henderson  <rth@redhat.com>
5621
5622         PR target/18910
5623         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5624         with an offset.
5625
5626 2005-01-05  Richard Henderson  <rth@redhat.com>
5627
5628         PR target/12902
5629         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5630         (sse_shufps): Change operand 3 to const_int_operand.
5631         (sse2_storelps): Fix typo in template.
5632         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5633         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5634         (ix86_expand_builtin): Likewise.
5635
5636 2005-01-05  Julian Brown  <julian@codesourcery.com>
5637
5638         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5639         as aggregates for AAPCS ABIs.
5640
5641 2005-01-05  Stan Shebs  <shebs@apple.com>
5642
5643         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5644         Mach-O getters if ppc64.
5645         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5646         size argument.
5647         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5648         signed four-byte field for global code case.
5649         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5650
5651 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5652
5653         PR middle-end/19100
5654         * c-common.c: Include real.h.
5655         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5656         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5657         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5658         * Makefile.in (c-common.o): Update dependencies.
5659
5660 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5661
5662         * c-parse.in (asm_string): Add trailing semicolon.
5663
5664 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5665
5666         * c-parse.in (asm_string): New.  Don't allow wide strings in
5667         'asm'.
5668         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5669         asm_string instead of STRING.
5670
5671 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5672
5673         * c-typeck.c (constructor_no_implicit): Remove.
5674         (set_designator, process_init_element): Don't check
5675         constructor_no_implicit.
5676
5677 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5678             Kaz Kojima  <kkojima@gcc.gnu.org>
5679
5680         PR target/16482
5681         * lcm.c (create_pre_exit): New.
5682         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5683         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5684
5685 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5686
5687         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5688         -msoft-float in target_float_switch.
5689         * arm.c (arm_override_options): Fix processing of target_float_switch.
5690
5691 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5692
5693         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5694         preferencing.
5695
5696 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5697
5698         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5699         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5700
5701 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5702
5703         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5704         if deleting the then-block allows the test-block to fallthru to the
5705         else-block.
5706
5707 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5708
5709         PR c/19152
5710         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5711         after the full declaration if the are in two different TUs.
5712
5713 2005-01-04  Richard Henderson  <rth@redhat.com>
5714
5715         PR tree-opt/19158
5716         * tree-sra.c (generate_one_element_init): Just
5717         call gimplify_and_add.
5718         (generate_element_init): Record the
5719         new referenced variables and mark them for renaming
5720         and split out to ...
5721         (generate_element_init_1): This.
5722         (scalarize_init): Don't call push_gimplify_context/
5723         pop_gimplify_context.
5724
5725 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5726
5727         * toplev.c (get_src_pwd): Handle failure of getpwd().
5728
5729 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5730
5731         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5732         of TRUTH_NOT_EXPR.
5733         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5734         all the cases handled by it are inverted by invert_truthvalue.
5735
5736 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5737
5738         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5739         (save_register_windowsi): Likewise.
5740
5741 2005-01-04  Richard Henderson  <rth@redhat.com>
5742
5743         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5744
5745 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5746
5747         PR middle-end/17767
5748         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5749         any simplifications of vector mode comparison operators.
5750         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5751
5752 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5753             Devang Patel  <dpatel@apple.com>
5754
5755         PR tree-optimization/18308
5756         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5757         the operands before creating a new expression.
5758         * dojump.c (do_jump): Make drop_through_label available
5759         for all cases.  Add expansion of COND_EXPR.
5760
5761 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5762
5763         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5764         INTEGER_CST instead of TREE_CONSTANT.
5765         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5766         instead of TREE_CONSTANT.
5767         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5768         instead of TREE_CONSTANT.
5769
5770 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5771
5772         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5773
5774 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5775
5776         PR target/19240
5777         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5778         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5779
5780 2005-01-03  Richard Henderson  <rth@redhat.com>
5781
5782         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5783         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5784         fold_convert_const_real_from_real): Split out from ...
5785         (fold_convert_const): ... here.
5786
5787 2005-01-03  Richard Henderson  <rth@redhat.com>
5788
5789         PR target/19235
5790         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5791         (mov<MMXMODEI>_internal): Likewise.
5792         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5793         Add V2SF case; use it for SSE1; don't use TI.
5794         (movdf_integer): Likewise.
5795         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5796
5797 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5798
5799         * tree-vectorizer.c (vect_strip_conversions): New function.
5800         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5801         check for binary class.
5802
5803 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5804
5805         Fix PR debug/17924
5806         Fix PR debug/19191
5807         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5808         is a decl.
5809         * gimple-low.c (mark_blocks_with_used_vars): New function.
5810         (mark_blocks_with_used_subblocks): Ditto.
5811         (mark_used_blocks): Ditto.
5812         (pass_mark_used_blocks): New pass.
5813         * tree-inline.c: Include debug.h.
5814         (expand_call_inline): Call outlining_inline_function here.
5815         * tree-optimize.c (init_tree_optimization_passes): Add
5816         pass_mark_used_blocks.
5817         * tree-pass.h (pass_mark_used_blocks): New.
5818         * Makefile.in (tree-inline.o): Add debug.h dependency.
5819
5820 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5821
5822         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5823         VAR_DECLs to have weak_import attribute.
5824
5825         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5826         'struct ucontext'.
5827
5828 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5829
5830         * passes.c (rest_of_compilation): Don't run regmove if only
5831         flag_expensive_optimizations, require flag_regmove instead.
5832
5833 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5834
5835         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5836         register "sparc".
5837         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5838         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5839         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5840         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5841
5842 2005-01-03  Richard Henderson  <rth@redhat.com>
5843
5844         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5845         (ia64_const_ok_for_letter_p): New.
5846         (ia64_const_double_ok_for_letter_p): New.
5847         (ia64_extra_constraint): New.
5848         (ia64_expand_vecint_compare): New.
5849         (ia64_expand_vcondu_v2si): New.
5850         (ia64_expand_vecint_cmov): New.
5851         (ia64_expand_vecint_minmax): New.
5852         (ia64_print_operand): Add 'v'.
5853         (ia64_preferred_reload_class): New.
5854         (ia64_vector_mode_supported_p): New.
5855         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5856         (PREFERRED_RELOAD_CLASS): Move to function.
5857         (CONST_OK_FOR_LETTER_P): Move to function.
5858         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5859         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5860         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5861         (EXTRA_CONSTRAINT): Move to function.
5862         * config/ia64/ia64.md: Include vect.md.
5863         (itanium_class): Add mmalua.
5864         (type): Handle it.
5865         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5866         (1b_mmalua): New.
5867         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5868         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5869         CONST0_RTX.
5870         (const_int_2bit_operand): New.
5871         (fr_reg_or_0_operand): New.
5872         * config/ia64/ia64-modes.def: Add vector modes.
5873         * config/ia64/ia64-protos.h: Update.
5874         * config/ia64/vect.md: New file.
5875
5876 2005-01-03  Richard Henderson  <rth@redhat.com>
5877
5878         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5879
5880 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5881
5882         PR target/19236
5883         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5884         to SFmode.
5885         (log1pdf2): Change mode of operands[0,1] to DFmode.
5886
5887 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5888
5889         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5890         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5891         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5892         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5893         SPARC_RELAXED_ORDERING.
5894
5895 2005-01-03  Richard Henderson  <rth@redhat.com>
5896             Uros Bizjak  <uros@kss-loka.si>
5897
5898         PR target/14631
5899         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5900         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5901         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5902         handling.
5903         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5904         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5905         const_pow2_1_to_128_operand): New predicates.
5906
5907 2005-01-02  Greg McGary  <greg@mcgary.org>
5908
5909         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5910         anonymous decls.
5911         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5912         object.  [ptr_type]: Remove unused variable.
5913         Remember nearest addressable array-element or record-component
5914         when checking bitfield components.  Tolerate empty BIND_EXPR.
5915
5916 2005-01-01  Richard Henderson  <rth@redhat.com>
5917
5918         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5919         that don't narrow the value.  Fail for other conversions.
5920
5921 2005-01-01  Richard Henderson  <rth@redhat.com>
5922
5923         PR c/19031
5924         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5925         * c-lang.c (finish_file): Don't do it here.
5926         * objc/objc-act.c (objc_finish_file): Likewise.
5927
5928         * cgraph.c (decl_assembler_name_equal): New.
5929         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5930         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5931         * cgraph.h (struct cgraph_varpool_node): Add next.
5932         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5933         * varasm.c (assemble_alias): Mark the target as needed.
5934
5935 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5936
5937         PR middle-end/19221
5938         * function.c (get_arg_pointer_save_area): Use entry_of_function
5939         instead of get_insns.
5940
5941 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5942             Andrew Pinski  <pinskia@physics.uc.edu>
5943             James E. Wilson  <wilson@specifixinc.com>
5944
5945         PR rtl-optimization/12092
5946         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5947         is zero.
5948
5949 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5950             Olivier Hainque  <hainque@act-europe.fr>
5951
5952         * tree.c (int_fits_type_p): A narrower type always fits in a
5953         wider one, except for negative values into unsigned types.
5954
5955 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5956
5957         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5958         with the original constant rather than require TREE_OVERFLOW.
5959
5960 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5961
5962         PR middle-end/17544
5963         * c-decl.c (finish_function): If compiling C99, annotate the
5964         compiler generated return with the current file name and line 0.
5965         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5966         the source line is greater than 0.
5967         (remove_bb): Likewise.
5968
5969 See ChangeLog.12 for earlier changes.