gcc/ChangeLog

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