gcc/ChangeLog

   1 2005-04-25  Jan Hubicka  <jh@suse.cz>
   2
   3         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
   4
   5         * except.c: Include diagnostic.h
   6         (dump_eh_tree, verify_eh_tree): New functions.
   7         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
   8         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
   9         (dump_function_to_file): dump eh tree.
  10         * tree-eh.c (mark_eh_edge): New function.
  11         (mark_eh_edge_found_error): New static variable.
  12         (verify_eh_edges): New function.
  13
  14 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
  15
  16         * tree-ssa-alias.c (fieldoff_t): Remove.
  17         (fieldoff_s): typedef the structure itself.  Create a vector of
  18         objects.
  19         (push_fields_onto_fieldstack): Return count of fields pushed.
  20         Remove peeling of first field.  Adjust.
  21         (fieldoff_compare): Adjust.
  22         (create_overlap_variables_for): Adjust.
  23
  24 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
  25
  26         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
  27
  28 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
  29
  30         PR bootstrap/21215
  31         * doc/install.texi: Document correct assembler and linker to use
  32         on i?86-*-solaris2.10.
  33
  34 2005-04-25  Steven Bosscher  <stevenb@suse.de>
  35
  36         Fix PR tree-optimization/21173
  37
  38         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
  39         Unshare expression we pass to force_gimple_operand.
  40
  41 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
  42             Stephen Clarke <stevec@superh.com>
  43             Roger Sayle <roger@eyesopen.com>
  44
  45         PR rtl-optimization/20413
  46         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
  47         VOIDmode for LABEL_REF.
  48         * final.c (shorten_branches): Likewise.
  49         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
  50         * loop.c (reg_dead_after_loop): Likewise.
  51         * varasm.c (decode_addr_const): Likewise.
  52         * doc/rtl.texi: Document mode requirement for LABEL_REF.
  53
  54 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
  55
  56         * config.gcc (avr-*-*): Remove redundant "case".
  57
  58 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
  59
  60         * tree-vect-analyze.c (vect_mark_relevant): Take
  61         VEC(tree,heap) instead of varray_type as an argument.
  62         (vect_mark_stmts_to_be_vectorized): Change the type of
  63         worklist to VEC(tree,heap).  Adjust uses of worklist.
  64
  65 2005-04-24  Devang Patel  <dpatel@apple.com>
  66
  67         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
  68
  69 2005-04-24  Ian Lance Taylor  <ian@airs.com>
  70
  71         * c-semantics.c (build_stmt): Remove test of specific tree codes
  72         for TREE_SIDE_EFFECTS handling.
  73
  74 2005-04-24  Per Bothner  <per@bothner.com>
  75
  76         * c-opts.c (finish_options):  Make the line-number of the <built-in>
  77         location 0, as assumed elsewhere, rather than 1.
  78
  79 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
  80
  81         * tree-ssa-uncprop.c (equiv_stack): Change the type o
  82         VEC(tree,heap).
  83         (tree_ssa_uncprop, uncprop_finalize_block,
  84         uncprop_initialize_block): Update uses of equiv_stack.
  85
  86 2005-04-24  Richard Henderson  <rth@redhat.com>
  87
  88         PR rtl-opt/21163
  89         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
  90         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
  91         constm1_rtx.
  92         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
  93         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
  94         <DIV, MOD>: Likewise.
  95
  96 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  97
  98         * collect2.c (main): Unlock the stdio streams.
  99         * gcc.c (main): Likewise.
 100         * gcov-dump.c (main): Likewise.
 101         * gcov.c (main): Likewise.
 102         * gen-protos.c (main): Likewise.
 103         * gensupport.c (init_md_reader_args_cb): Likewise.
 104         * protoize.c (main): Likewise.
 105         * toplev.c (general_init): Likewise.
 106
 107 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
 108
 109         PR middle-end/20991
 110         * cgraph.h (cgraph_local_info): Add vtable_method field.
 111         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
 112         and node is vtable_method, finalized and not reachable, don't do
 113         anything.
 114
 115 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
 116
 117         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
 118         COMPARISON_CLASS_P.
 119         * tree-ssa-pre.c (create_value_expr_from): Use
 120         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
 121         * tree-ssa-propagate.c (stmt_makes_single_load,
 122         stmt_makes_single_store): Use REFERENCE_CLASS_P.
 123         * tree-vect-transform.c (vect_is_simple_cond): Use
 124         COMPARISON_CLASS_P.
 125         * tree-vrp.c (extract_range_from_assert,
 126         build_assert_expr_for, fp_predicate, has_assert_expr): Use
 127         COMPARISON_CLASS_P.
 128
 129         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
 130         of tpa_to_clear to VEC(int,heap).  Update uses of
 131         tpa_to_clear.  Free tpa_to_clear at the end.
 132
 133 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
 134
 135         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
 136         function decl.
 137
 138 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
 139
 140         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
 141         and gcc_unreachable as appropriate.
 142         (num_insns_constant, output_vec_const_move,
 143         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
 144         rs6000_emit_set_const, rs6000_emit_move,
 145         spe_build_register_parallel, function_arg,
 146         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
 147         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
 148         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
 149         rs6000_common_init_builtins, expand_block_clear,
 150         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
 151         extract_ME, rs6000_get_some_local_dynamic_name,
 152         rs6000_output_function_entry, print_operand,
 153         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
 154         output_cbranch, output_e500_flip_gt_bit,
 155         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
 156         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
 157         compute_save_world_info, rs6000_stack_info,
 158         rs6000_emit_load_toc_table, rs6000_frame_related,
 159         spe_synthesize_frame_save, rs6000_emit_epilogue,
 160         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
 161         output_function_profiler, rs6000_trampoline_size,
 162         rs6000_initialize_trampoline, find_addr_reg,
 163         rs6000_machopic_legitimize_pic_address,
 164         rs6000_initial_elimination_offset,
 165         rs6000_dbx_register_number): Likewise.
 166         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
 167         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
 168         *movti_power, *movti_string, call, call_value, sibcall,
 169         sibcall_value): Likewise.
 170         * config/rs6000/spe.md (*movdf_e500_double,
 171         *movv2si_internal): Likewise.
 172         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
 173         from comment.
 174
 175 2005-04-24  Richard Henderson  <rth@redhat.com>
 176
 177         PR target/21101
 178         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
 179         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
 180         Deny modes smaller than 4 bytes.
 181         * config/i386/i386-protos.h: Update.
 182
 183 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
 184
 185         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
 186         Switch h8300-*-rtems* to ELF.
 187
 188 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
 189
 190         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
 191
 192 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 193
 194         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
 195
 196 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
 197
 198         PR middle-end/21082
 199         * fold-const.c: Fold &a[i]-&a[j] to i-j.
 200
 201 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 202
 203         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
 204         definitions of ssa names in condition.  Split recusive part to ...
 205         (tree_simplify_using_condition_1): New function.
 206         (expand_simple_operations): New function.
 207
 208 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
 209
 210         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
 211         (find_interesting_uses_cond): Do not use integer_zerop and
 212         integer_nonzerop to check for integer constants.
 213         (set_use_iv_cost): Record the value field.
 214         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
 215         determine_use_iv_cost_outer): Set the value field of the cost pair.
 216         (may_eliminate_iv): Do not return the comparison code.
 217         (iv_elimination_compare): New function.
 218         (determine_use_iv_cost_condition): Set the value field.  Record
 219         noneliminable invariants correctly.
 220         (rewrite_use_compare, rewrite_use_outer): Use the value field.
 221
 222 2005-04-23  DJ Delorie  <dj@redhat.com>
 223
 224         * diagnostic.c (warning): Accept parameter to classify warning option.
 225         (warning0): New, for when a pointer to an error() like function is needed.
 226         * errors.c (warning): Likewise.
 227         * errors.h (warning, warning0): Adjust prototypes.
 228         * toplev.h (warning, warning0): Likewise.
 229
 230         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
 231         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
 232         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
 233         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
 234         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
 235         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
 236         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
 237         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
 238
 239         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
 240         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
 241         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
 242         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
 243         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
 244         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
 245         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
 246         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
 247         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
 248         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
 249         config/rs6000/aix52.h, config/rs6000/darwin.h,
 250         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
 251         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
 252         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
 253         config/stormy16/stormy16.c, config/v850/v850-c.c,
 254         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
 255         callers.
 256
 257 2005-04-23  Richard Henderson  <rth@redhat.com>
 258
 259         PR rtl-opt/21102
 260         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
 261         performing some integral scalar simplifications.
 262
 263 2005-04-23  Richard Henderson  <rth@redhat.com>
 264
 265         PR target/21099
 266         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
 267         simplifying CONST_VECTOR.
 268
 269 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 270
 271         * tree-ssa-live.c (live_worklist): Take a stack allocated on
 272         heap as an argument.  Update uses of stack.
 273         (calculate_live_on_entry): Allocate stack on heap.
 274
 275         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
 276         partition_link and tpa_nodes on heap.
 277
 278         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
 279         (mark_stmt_necessary, propagate_necessity,
 280         mark_really_necessary_kill_operand_phis): Update uses of
 281         worklist.
 282         (tree_dce_init): Allocate worklist using VEC_alloc.
 283         (tree_dce_done): Free worklist using VEC_free.
 284
 285 2005-04-23  Mike Stump  <mrs@apple.com>
 286
 287         * config/darwin.c (machopic_indirection_name): Don't use
 288         quotes needlessly.
 289         (darwin_emit_unwind_label): Use user_label_prefix instead of
 290         "_".
 291
 292 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 293
 294         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
 295
 296 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
 297
 298         * config.gcc <cris-*>: Specify .opt files.
 299         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
 300         config/cris/linux.opt: New files.
 301         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
 302         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
 303         (TARGET_ELF): Override to 0.
 304         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
 305         -melinux-stacksize=N.
 306         * config/cris/cris.c: (cris_handle_option): New function.
 307         (TARGET_DEFAULT_TARGET_FLAGS): Override.
 308         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
 309         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
 310         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
 311         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
 312         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
 313         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
 314         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
 315         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
 316         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
 317         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
 318         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
 319         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
 320         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
 321         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
 322         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
 323         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
 324         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
 325         (TARGET_LINUX): Define 0.
 326         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
 327         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
 328         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
 329         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
 330         (TARGET_LINUX): Override to 1.
 331         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
 332
 333 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
 334
 335         * haifa-sched.c (schedule_block): Fix thinko in previous
 336         assertification patch.
 337
 338 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
 339
 340         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
 341         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
 342         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
 343         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
 344         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
 345         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
 346         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
 347         for hpux11.[1-9]*.
 348         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
 349         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
 350         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
 351         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
 352         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
 353         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
 354         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
 355         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
 356         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
 357         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
 358         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
 359         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
 360         (SUBTARGET_OPTIONS): Delete.
 361         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
 362         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
 363         instead of a string.
 364         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
 365         (pa_cpu_string, pa_unix_string): Delete.
 366         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
 367         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
 368         TARGET_HPUX_10_10.
 369         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 370         (pa_handle_option): New function.
 371         (override_options): Remove handling of -march=, -mfixed-range=,
 372         -mschedule= and -munix=.
 373         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
 374         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
 375         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
 376         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
 377         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
 378         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
 379         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
 380         redefining.
 381         * config/pa/pa.opt: New file.
 382         * config/pa/pa-hpux.opt: New file.
 383         * config/pa/pa-hpux1010.opt: New file.
 384         * config/pa/pa-hpux1111.opt: New file.
 385         * config/pa/pa64-hpux.opt: New file.
 386
 387 2005-04-22  David S. Miller  <davem@davemloft.net>
 388
 389         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
 390         integer when it's mode is VOIDmode not DImode.
 391
 392 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
 393
 394         * config/rs6000/rs6000.md (sync_add<mode>_internal,
 395         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
 396         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
 397         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
 398         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
 399         "bne- $-xxx" rather than local labels.
 400         (sync_lock_release<mode>): Add second operand.
 401         (lwsync): Use .long rather than a more meaningful opcode.
 402         * doc/md.texi (Standard Names): Add description of second
 403         parameter to sync_lock_test_and_set.
 404
 405 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
 406
 407         PR tree-optimization/21088
 408         * fold-const.c (fold_unary, fold_binary, fold_ternary):
 409         Export.
 410         * tree-vrp.c (compare_values): Use fold_binary to compare
 411         pointers.  Use boolean_type_node as the type of a comparison
 412         expression being folded.
 413         * tree.h: Add prototypes for fold_unary, fold_binary,
 414         fold_ternary.
 415
 416         * tree-ssa-dom.c: Fix formatting.
 417
 418 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
 419
 420         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
 421         * lambda-code.c (perfect_nestify): Mark virtual operands in
 422         the moved statement for renaming.
 423         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
 424         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
 425         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
 426         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
 427         * tree-flow.h (struct var_ann_d): Update comments.
 428         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
 429         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
 430         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
 431         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
 432         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
 433         debug_names_replaced_by): Remove declarations.
 434         (delete_update_ssa, get_current_def, set_current_def): Declare.
 435         (rewrite_into_loop_closed_ssa): Add new argument.  Update
 436         all callers.
 437         * tree-into-ssa.c: Include params.h.
 438         (old_virtual_ssa_names): Remove.  Update all users.
 439         (need_to_replace_names_p): Remove.  Update all users.
 440         (struct update_ssa_stats_d): Declare.
 441         (update_ssa_stats): New local.
 442         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
 443         dump_tree_ssa_stats, debug_tree_ssa_stats,
 444         dump_update_ssa, debug_update_ssa,
 445         dump_names_replaced_by, debug_names_replaced_by): Declare.
 446         (get_current_def, set current_def): Make extern.
 447         (is_old_name, is_new_name): Protect against references
 448         past the end of the sets.
 449         (add_new_name_mapping): Assert that OLD and NEW are
 450         different SSA names for the same symbol.
 451         When adding a virtual mapping, update stats for virtual
 452         mapping heuristic.
 453         (insert_phi_nodes_for): If UPDATE_P is true, create the
 454         LHS of the new PHI by duplicating SSA name VAR.
 455         (insert_phi_nodes_1): Remove.  Update all users.
 456         (insert_phi_nodes): Remove second argument.  Update all
 457         users.
 458         (maybe_replace_use, maybe_replace_def): New.
 459         (rewrite_update_stmt): Call them.
 460         (mark_def_interesting): Remove calls to is_gimple_reg.
 461         (prepare_phi_args_for_update): Remove.  Update all users.
 462         (prepare_block_for_update): Only process virtual operands
 463         and GIMPLE registers in normal form.
 464         (prepare_use_sites_for): New.
 465         (prepare_names_to_update): Rename from prepare_def_sites.
 466         Call prepare_use_sites_for.
 467         (dump_update_ssa): Rename from dump_repl_tbl.
 468         Update all users.
 469         Show statistics for virtual mapping heuristic.
 470         (debug_update_ssa): Rename from debug_debug_repl_tbl.
 471         (init_update_ssa): Initialize UPDATE_SSA_STATS.
 472         (delete_update_ssa): Make extern.
 473         (mark_set_for_renaming): If the set is empty, do nothing.
 474         (release_ssa_name_after_update_ssa): Update comment.
 475         (insert_updated_phi_nodes_for): Do not remove existing
 476         PHI nodes for symbols.
 477         (switch_virtuals_to_full_rewrite_p): New.
 478         (switch_virtuals_to_full_rewrite): New.
 479         (update_ssa): Call them.
 480         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
 481         for every statement before updating.
 482         If all the names in NEW_SSA_NAMES have been marked for
 483         removal, do nothing.
 484         Only start at the top of the CFG if there are symbols in
 485         SYMS_TO_RENAME.
 486         (ssa_rewrite_finalize_block): Remove.
 487         (ssa_register_new_def): Remove.
 488         (ssa_rewrite_stmt): Remove.
 489         (ssa_rewrite_phi_arguments): Remove.
 490         (ssa_rewrite_initialize_block): Remove.
 491         (ssa_mark_def_sites): Remove.
 492         (ssa_mark_def_sites_initialize_block): Remove.
 493         (ssa_mark_phi_uses): Remove.
 494         (rewrite_ssa_into_ssa): Remove.
 495         * tree-phinodes.c (find_phi_node_for): Remove.
 496         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 497         Call update_ssa.
 498         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
 499         Remove calls to verify_dominators and
 500         verify_loop_structure.
 501         (tree_unswitch_single_loop): Call update_ssa.
 502         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
 503         returns false.
 504         Call verify_stmts.
 505         (delete_tree_ssa): Assert that need_ssa_update_p returns
 506         false.
 507         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
 508         * tree-vectorizer.c (allocate_new_names, rename_def_op,
 509         free_new_names): Remove.  Update all users.
 510         (rename_use_op): Call get_current_def.
 511         (rename_variables_in_bb): Do not handle any real or
 512         virtual definition.
 513         (slpeel_update_phis_for_duplicate_loop): Call
 514         get_current_def and set_current_def instead of using
 515         SSA_NAME_AUX.
 516         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
 517         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
 518         ssa_names_to_replace and delete_update_ssa.
 519         * doc/invoke.texi: Document --param min-virtual-mappings
 520         and --param virtual-mappings-ratio.
 521
 522 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
 523
 524         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
 525         for newly created PHI nodes.
 526         Call create_new_def_for for every new V_MAY_DEF and
 527         V_MUST_DEF on the copied statement.
 528         (struct ssa_name_map_entry): Remove.
 529         (ssa_name_map_entry_hash): Remove.
 530         (ssa_name_map_entry_eq): Remove.
 531         (allocate_ssa_names): Remove.
 532         (rewrite_to_new_ssa_names_def): Remove.
 533         (rewrite_to_new_ssa_names_use): Remove.
 534         (rewrite_to_new_ssa_names_bb): Remove.
 535         (rewrite_to_new_ssa_names): Remove.
 536         (tree_duplicate_sese_region): Remove variables ver,
 537         definitions, phi, ssa_name_map and bi.
 538         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
 539         Call update_ssa.
 540         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
 541         update_ssa instead of rewrite_ssa_into_ssa.
 542         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
 543         create_new_def_for.
 544         (find_uses_to_rename_use): Add argument 'need_phis'.
 545         (find_uses_to_rename_stmt): Do not scan virtual operands.
 546         (find_uses_to_rename): Only scan PHI nodes for
 547         non-virtual names.
 548         (rewrite_into_loop_closed_ssa): Call update_ssa.
 549         (check_loop_closed_ssa_use): Ignore virtual operands.
 550         (check_loop_closed_ssa_stmt): Likewise.
 551         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
 552         NULL.
 553         (rename_variables, set_phi_def_stmts): Remove.
 554         (tree_duplicate_loop_to_header_edge): Reformat comment.
 555         Remove variables BB, I and DEFINITIONS.
 556         Call need_ssa_update_p.
 557         Call update_ssa.
 558         (lv_adjust_loop_header_phi): Reformat comment.
 559         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
 560         (marked_for_rewrite_p, any_marked_for_rewrite_p,
 561         mark_for_rewrite, unmark_all_for_rewrite,
 562         marked_ssa_names): Remove.  Update all users.
 563         (release_ssa_name): If VAR has been registered for SSA
 564         updating, do nothing.
 565         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
 566         (build_assert_expr_for): Call register_new_name_mapping.
 567         (insert_range_assertions): Update call to update_ssa.
 568         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
 569         marked_for_rewrite_p, any_marked_for_rewrite_p,
 570         marked_ssa_names): Remove.
 571
 572 2005-04-22  Jeff Law  <law@redhat.com>
 573
 574         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
 575         (restore_currdefs_to_original_value): Likewise.
 576         (register_definitions_for_stmt): Likewise.
 577         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
 578         for each variable.  Do not allocate/free block_defs_stack either.
 579         Do not iterate if we just thread jumps.  Only iterate if the
 580         tree_cleanup_cfg does useful work (temporary).
 581         (dom_opt_initialize_block): No longer push a marker on
 582         BLOCK_DEFS_STACK.
 583         (dom_opt_finalize_block): Removal call to restore currdefs.
 584         Relax restrictions for recording edge equivalences.
 585         (record_equivalences_from_phis): No longer need to track
 586         CURRENT_DEF.
 587         (optimize_stmt): Similarly.
 588         (thread_across_edge): Simplify by removing the requirement that
 589         statements in the block we are threading through must be nops.
 590         (initialize_hash_element): Handle GOTO_EXPR.
 591
 592 2005-04-22  David S. Miller  <davem@davemloft.net>
 593
 594         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
 595         CONST_DOUBLE_HIGH.
 596         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
 597         fix check on CONST_DOUBLE mode.  It should be VOIDmode
 598         when it is representing an integer.
 599
 600 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 601
 602         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
 603         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
 604         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
 605         find_char_info_specifier_index,
 606         find_length_info_modifier_index): Likewise.
 607         * c-typeck.c (composite_type, pop_init_level): Likewise.
 608         * combine.c (cant_combine_insn_p, try_combine): Likewise.
 609         * cse.c (cse_insn): Likewise
 610         * dominance.c (calc_dfs_tree): Likewise
 611         dwarf2out.c (loc_descriptor_from_tree_1,
 612         add_abstract_origin_attribute, force_decl_die,
 613         force_type_die): Likewise
 614         emit-rtl.c (operand_subword_force): Likewise
 615         explow.c (hard_function_value): Likewise
 616         expmed.c (store_bit_field, expand_divmod,
 617         emit_store_flag_force): Likewise
 618         expr.c (emit_move_multi_word, store_expr,
 619         expand_expr_real_1): Likewise
 620         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
 621         output_operand): Likewise
 622         flow.c (recompute_reg_usage): Likewise
 623         * function.c (assign_stack_temp_for_type, assign_temp,
 624         handle_epilogue_set): Likewise
 625         * genextract.c (main): Likewise
 626         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
 627         gimplify_modify_expr_rhs, gimplify_expr): Likewise
 628         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
 629         ready_remove, rm_line_notes, rm_other_notes,
 630         schedule_block): Likewise
 631         mips-tfile.c (copy_object, out_of_bounds): Likewise
 632
 633 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
 634
 635         PR target/20813
 636         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
 637         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
 638         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
 639         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
 640         TARGET_XL_COMPAT.
 641         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
 642
 643 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 644
 645         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
 646         (gcc_tree_to_linear_expression): Convert to heap allocated
 647         vectors.
 648         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
 649         lbv_to_gcc_expression, lle_to_gcc_expression,
 650         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
 651         perfect_nestify): Likewise.
 652         lambda.h (gcc_loopnest_to_lambda_loopnest,
 653         lambda_loopnest_to_gcc_loopnest): Likewise.
 654         tree-loop-linear.c (linear_transform_loops): Likewise.
 655
 656 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 657
 658         * config/sparc/predicates.md (arith_double_operand): Use
 659         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
 660         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
 661         (DImode, DFmode constant splitters): Likewise.  Remove code for
 662         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
 663         (logical constant splitters): Use const_int_operand predicate.
 664         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
 665         HOST_BITS_PER_WIDE_INT < 64.
 666
 667 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 668
 669         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
 670         gcc_unreachable as appropriate.
 671         (force_mode, emit_move_sequence, singlemove_string,
 672         output_move_double, output_fp_move_double, find_addr_reg,
 673         output_block_move, output_block_clear, output_and,
 674         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
 675         pa_adjust_cost, pa_issue_rate, print_operand,
 676         output_global_address, output_arg_descriptor, output_cbranch,
 677         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
 678         output_call): Likewise.
 679         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
 680         prefetch, prefetch_cc, prefetch_nocc): Likewise.
 681
 682 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
 683
 684         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
 685         _gcov_pow2_profiler and _gcov_one_value_profiler.
 686         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
 687         (GTFILES): Add $(srcdir)/tree-profile.c.
 688         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
 689         __gcov_one_value_profiler): Declare.
 690         * gimplify.c (force_gimple_operand): Check whether the statements
 691         should be produced in ssa form.
 692         (force_gimple_operand_bsi): New function.
 693         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
 694         __gcov_one_value_profiler): New functions.
 695         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
 696         the profiled value is a power of two or not.
 697         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
 698         * tree-flow.h (in_ssa_p): Declare.
 699         (force_gimple_operand_bsi): Declare.
 700         * tree-into-ssa.c (in_ssa_p): New variable.
 701         (rewrite_into_ssa): Set in_ssa_p.
 702         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
 703         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
 704         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
 705         tree_one_value_profiler_fn): New variables.
 706         (tree_init_edge_profiler): Initialize the profiler function decls.
 707         (tree_gen_edge_profiler): Use global gcov_type_node.
 708         (prepare_instrumented_value): New function.
 709         (tree_gen_interval_profiler, tree_gen_interval_profiler,
 710         tree_gen_one_value_profiler): Call the library functions instead of
 711         creating instrumentation code.
 712         * tree.c (build_fn_decl): New function.
 713         * tree.h (build_fn_decl): Declare.
 714         * value-prof.c (rtl_divmod_values_to_profile,
 715         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
 716         tree_mod_pow2_value_transform, tree_find_values_to_profile):
 717         Do not handle may_be_other and precise values of exponents at pow2
 718         profiler.
 719         (tree_mod_subtract_transform): Reflect that value field of
 720         histogram has changed meaning.
 721         (tree_divmod_values_to_profile): Record the values correctly.
 722         (tree_values_to_profile): Update comment.
 723         * value-prof.h (struct histogram_value_t): Remove pow2 data.
 724
 725 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
 726
 727         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
 728         (decl).
 729
 730 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
 731
 732         * config/i386/i386.md (length_immediate): Use gcc_assert or
 733         gcc_unreachable, as appropriate.
 734         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
 735         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
 736         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
 737         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
 738         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
 739         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
 740         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
 741         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
 742         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
 743         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
 744         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
 745         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
 746         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
 747         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
 748         *prefetch_sse_rex): Likewise.
 749         * config/i386/predicates.md (x86_64_immediate_operand,
 750         x86_64_zext_immediate_operand, symbolic_operand,
 751         no_seg_address_operand, aligned_operand,
 752         memory_displacement_operand): Likewise.
 753         * config/i386/sse.md (*mov<mode>_internal,
 754         *movv2df_internal): Likewise.
 755
 756 2005-04-22  Jan Hubicka  <jh@suse.cz>
 757
 758         * Makefile.in (ipa.o, ipa-inline.o): New files.
 759         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
 760         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
 761         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
 762         * cgraphunit.c (cgraph_default_inline_p,
 763         cgraph_decide_inlining_incrementally,  ncalls_inlined,
 764         nfunctions_inlined, initial_insns, overall_insns,
 765         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
 766         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
 767         cgraph_mark_inline, cgraph_check_inline_limits,
 768         cgraph_default_inline_p, cgraph_recursive_inlining_p,
 769         update_callee_keys, lookup_recursive_calls,
 770         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
 771         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
 772         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
 773         pass_ipa_inline): Move to ipa-inline.c
 774         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
 775         * ipa.c: New file.
 776         * ipa-inline.c: New file.
 777
 778 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
 779
 780         * doc/invoke.texi (SPARC options): Document that -mapp-regs
 781         is turned off by default on Solaris.
 782
 783 2005-04-21  Roger Sayle  <roger@eyesopen.com>
 784
 785         * c-common.h (objc_build_method_signature): Update prototype.
 786         * stub-objc.c (objc_build_method_signature): Update the stub
 787         implementation to accept and ignore additional parameter.
 788         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
 789         the value of ellipsis to objc_build_method_signature instead
 790         of setting TREE_OVERFLOW on the parms TREE_LIST node.
 791
 792 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
 793
 794         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
 795         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
 796         gen_rtx_* not gen_rtx_fmt_*.
 797         (rs6000_emit_vector_select): Likewise.
 798         (rs6000_emit_sync): New.
 799         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
 800         (larx, stcx, cmp): New mode substitutions.
 801         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
 802         UNSPEC_ISYNC): New constants.
 803         (rlwinm): Give name.
 804         (memory_barrier, isync, lwsync): New insns.
 805         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
 806         (sync_lock_release<mode>): New expander.
 807         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
 808         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
 809         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
 810         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
 811         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
 812         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
 813         (sync_add<mode>_internal, sync_addshort_internal,
 814         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
 815         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
 816         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
 817
 818         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
 819         is the memory before, not after, the operation.  Clarify
 820         barrier requirements.
 821
 822 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 823
 824         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
 825         * lambda.h (lambda_vector_min_nz): Likewise.
 826         * langhooks.h (struct lang_hooks_for_types,
 827         struct lang_hooks): Likewise.
 828         * output.h (assemble_integer, this_is_asm_operands): Likewise.
 829         * tree.h: Likewise.
 830         * vec.h: Likewise.
 831         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
 832
 833         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
 834         comments to avoid 'abort'.  Use gcc_assert as necessary.
 835         * opts.c (common_handle_option): Likewise.
 836         * pretty-print.c (pp_base_format_text): Likewise.
 837         * print-rtl.c (print_rtx): Likewise.
 838         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
 839         * regmove.c (try_auto_increment): Likewise.
 840         * reload.c (find_valid_class, find_reloads_toplev,
 841         find_equiv_reg): Likewise.
 842         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
 843         merge_assigned_reloads): Likewise.
 844         * tree-inline.c (inline_forbidden_p_1,
 845         estimate_num_insns_1): Likewise.
 846         * tree-optimize.c (execute_todo): Likewise.
 847         * tree-outof-ssa.c (eliminate_phi): Likewise.
 848         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
 849         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
 850         * tree-ssa-operands.c (parse_ssa_operands,
 851         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
 852         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
 853         * tree-ssanames.c (release_ssa_name): Likewise.
 854         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
 855         walk_tree): Likewise.
 856
 857         * tree-ssa-operands.c (verify_abort): Fold into ..
 858         (verify_imm_links): ... here.
 859
 860 2005-04-21  Richard Henderson  <rth@redhat.com>
 861
 862         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
 863         on non-memory operand for previous inversion.
 864
 865 2005-04-21  Devang Patel  <dpatel@apple.com>
 866
 867         PR optimization/20994
 868         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
 869         x = !(a == b) : p , q;.
 870         (pass_if_conversion): Verify stmts and flow.
 871
 872 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 873
 874         * optabs.c (gen_conditional_trap): Restore #define.
 875
 876         * alias.c (true_dependence): Remove 'abort' from comments. Use
 877         gcc_assert and gcc_unreachable as appropriate.
 878         (canon_true_dependence): Likewise.
 879         * bb-reorder.c (connect_traces): Likewise.
 880         * c-common.c (c_add_case_label): Likewise.
 881         * c-decl.c (finish_function): Likewise.
 882         * caller-save.c (insert_restore, insert_save): Likewise.
 883         * cfg.c (update_bb_profile_for_threading): Likewise.
 884         * cfganal.c (flow_active_insn_p): Likewise.
 885         * cfgexpand.c (add_reg_br_prob_note): Likewise.
 886         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
 887         cfg_layout_merge_blocks): Likewise.
 888         * ifcvt.c (cond_exec_process_insns, merge_if_block,
 889         find_if_block): Likewise.
 890         * integrate.c (allocate_initial_values): Likewise.
 891         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
 892         swap_condition, unsigned_condition, signed_condition,
 893         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
 894         reg_or_subregno): Likewise.
 895         * lambda-code.c (lambda_compute_auxillary_space,
 896         lambda_transform_legal_p): Likewise.
 897         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
 898         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
 899         lhd_incomplete_type_error, lhd_expand_expr,
 900         lhd_types_compatible_p, lhd_tree_size): Likewise.
 901         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
 902         * local-alloc.c (update_equiv_regs): Likewise.
 903         * loop-unroll.c (peel_loop_completely
 904         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
 905         peel_loop_simple, unroll_loop_stupid,
 906         analyze_iv_to_split_insn): Likewise.
 907         * loop.c (gen_prefetch, find_and_verify_loops,
 908         basic_induction_var): Likewise.
 909         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
 910         * value-prof.c (tree_find_values_to_profile): Likewise.
 911         * varasm.c (named_section, default_assemble_integer,
 912         decode_addr_const): Likewise.
 913
 914 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
 915            Fariborz Jahanian <fjahanian@apple.com>
 916
 917         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
 918         portion of argument passed in fpr.
 919         * expr.c (emit_push_insn): Fix computation of 'offset' used to
 920         decide on partial argument save on stack.
 921
 922 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
 923
 924         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
 925         comment typos.
 926
 927 2005-04-21  Jan Hubicka  <jh@suse.cz>
 928
 929         * cgraphunit.c: Include tree-pass.h
 930         (cgraph_decide_recursive_inlining,
 931         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
 932         cgraph_decide_inlining): Dump goes to dump_file.
 933         (cgraph_optimize): Call ipa passes instead of inliner.
 934         (cgraph_gate_inlining, pass_ipa_inline): New.
 935         * tree-optimize.c (all_ipa_passes): New static variable.
 936         (register_one_dump_file): Dead with IPA passes.
 937         (register_dump_files): Likewise.
 938         (init_tree_optimization_passes): Initialize IPA passes.
 939         (execute_todo): Do cgraph dump when asked to, do not dump function body
 940         for IPA pass.
 941         * tree-pass.h (TODO_dump_cgraph): New macro.
 942         (ipa_passes): Declare.
 943         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
 944
 945 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 946
 947         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
 948         gcc_assert instead of abort.
 949         (classify_argument, examine_argument, construct_container,
 950         contains_128bit_aligned_vector_p, ix86_check_movabs,
 951         standard_80387_constant_opcode, standard_80387_constant_rtx,
 952         ix86_initial_elimination_offset, ix86_compute_frame_layout,
 953         pro_epilogue_adjust_stack, ix86_expand_epilogue,
 954         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
 955         legitimize_tls_address, output_pic_addr_const,
 956         i386_output_dwarf_dtprel, put_condition_code, print_reg,
 957         get_some_local_dynamic_name, print_operand, print_operand_address,
 958         output_387_binary_op, emit_i387_cw_initialization,
 959         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
 960         ix86_expand_clear, ix86_expand_binary_operator,
 961         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
 962         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
 963         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
 964         ix86_expand_branch, ix86_expand_setcc,
 965         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
 966         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
 967         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
 968         memory_address_length, ix86_attr_length_immediate_default,
 969         ix86_attr_length_address_default, ix86_agi_dependant,
 970         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
 971         ix86_expand_binop_builtin, ix86_force_to_memory,
 972         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
 973         x86_emit_floatuns): Likewise.
 974         * config/i386/netware.c (gen_regparm_prefix,
 975         i386_nlm_strip_name_encoding): Likewise.
 976         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
 977
 978 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 979
 980         * optabs.c (gen_condiational_trap): Remove #define.
 981         (add_equal_note): Assertify. Remove explicit indirection from
 982         call via function pointer.
 983         (expand_ternary_op, expand_simple_binop, expand_binop,
 984         expand_twoval_unop, expand_twoval_binop,
 985         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
 986         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
 987         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
 988         prepare_float_lib_cmp, emit_conditional_move,
 989         emit_conditional_add, gen_add2_insn, gen_add3_insn,
 990         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
 991         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
 992         vector_compare_rtx, expand_vec_cond_expr): Likewise.
 993
 994 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
 995
 996         * vec.h: Update API to separate allocation mechanism from type.
 997         (VEC_safe_grow): New.
 998         * vec.c (calculate_allocation): New.
 999         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
1000         (vec_gc_free, vec_heap_free): Remove.
1001         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
1002         (VEC): Likewise.
1003         (mangle_macro_name): New.
1004         (struct macro_def): New.
1005         (struct macro): Add multiple argument values.
1006         (macro_expans_end): New.
1007         (push_macro_expansion):  Chain on new macro. Process multiple
1008         args, create follow on expansion. Return follow on argument.
1009         (macro_input): Deal with multiple arguments.
1010
1011         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
1012         (struct tree_binfo): Adjust.
1013         * basic-block.h: Define VEC(edge,gc).
1014         (struct edge_def): Adjust.
1015         (struct basic_block_def, struct edge_iterator): Likewise.
1016         (ei_container, ei_start_1, ei_last_1): Likewise.
1017         * cfg.c (connect_src, connect_dest): Likewise.
1018         * cfgrtl.c (force_nonfallthru_and_redirect)
1019         * dbxout.c (dbxout_type)
1020         * dwarf2out.c (gen_member_die)
1021         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
1022         (gcc_tree_to_linear_expression): Adjust.
1023         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
1024         lbv_to_gcc_expression, lle_to_gcc_expression,
1025         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
1026         perfect_nestify): Likewise.
1027         * lambda.h (gcc_loopnest_to_lambda_loopnest,
1028         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
1029         * profile.c (instrument_values): Adjust.
1030         * tree-cfg.c (modified_noreturn_calls): Adjust.
1031         (remove_fallthru_edge): Likewise.
1032         * tree-dump.c (dequeue_and_dump): Adjust.
1033         * tree-flow-inline.h (mark_stmt_modified): Adjust.
1034         * tree-flow.h (modified_noreturn_calls): Adjust.
1035         (tree_on_heap): Remove. (yay!)
1036         (register_new_def): Adjust.
1037         * tree-into-ssa.c: Define VEC(int,heap).
1038         (block_defs_stack): Adjust.
1039         (find_idf, insert_phi_nodes, register_new_def,
1040         rewrite_initialize_block, rewrite_finalize_block,
1041         register_new_update_single, rewrite_update_init_block,
1042         rewrite_update_fini_block, rewrite_blocks,
1043         ssa_rewrite_finalize_block, ssa_register_new_def,
1044         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
1045         * tree-loop-linear.c (linear_transform_loops): Adjust.
1046         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
1047         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
1048         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
1049         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
1050         vrp_variables_stack): Adjust declarations.
1051         (tree_ssa_dominator_optimize): Adjust.
1052         (dom_opt_initialize_block, remove_local_expressions_from_table,
1053         restore_nonzero_vars_to_original_value,
1054         restore_vars_to_original_value,
1055         restore_currdefs_to_original_value, dom_opt_finalize_block,
1056         record_var_is_nonzero, record_cond, record_const_or_copy_1,
1057         optimize_stmt, update_rhs_and_lookup_avail_expr,
1058         lookup_avail_expr, record_range): Likewise.
1059         * tree-ssa-pre.c: Define VEC(basic_block,heap).
1060         (compute_antic_aux): Adjust.
1061         (inserted_exprs, create_expression_by_pieces,
1062         insert_into_preds_of_block, eliminate, mark_operand_necessary,
1063         remove_dead_inserted_code, fini_pre): Likewise.
1064         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
1065         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
1066         ssa_prop_init): Likewise.
1067         * tree-ssa.c: Define VEC(bitmap,heap).
1068         (verify_name_tags): Adjust.
1069         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
1070         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
1071         tree_divmod_values_to_profile, tree_find_values_to_profile,
1072         value_profile_transformations): Likewise.
1073         * value-prof.h: Define VEC(histogram_value,heap).
1074         * varasm.c: Remove alias_pair pointer typedef, define
1075         VEC(alias_pair,gc).
1076         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
1077
1078         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
1079         not a pointer to it.  Create an object vector.
1080         (extern_symbols): Turn into an object vector.
1081         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
1082
1083 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
1084
1085         PR/20742
1086         * Makefile.in (tree-chrec.o): Depend on params.h.
1087         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
1088         default value 20.
1089         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
1090         and fold build with fold_buildN.
1091         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
1092         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1093         (tree_contains_chrecs): Compute an estimation of the size of the
1094         given expression.
1095         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
1096         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
1097         * tree-scalar-evolution.c (simple_iv): Ditto.
1098         * doc/invoke.texi (scev-max-expr-size): Documented.
1099
1100 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
1101
1102         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
1103         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
1104         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
1105         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
1106         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
1107         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
1108         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
1109         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
1110         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
1111         (darwin_fix_and_continue_switch): Delete.
1112         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
1113         (SUBTARGET_SWITCHES): Delete.
1114         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
1115         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
1116         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
1117         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
1118         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
1119         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
1120         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
1121         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
1122         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
1123         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
1124         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
1125         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
1126         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
1127         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
1128         (TARGET_64BIT): Undef before redefining.
1129         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
1130         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
1131         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
1132         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
1133         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
1134         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
1135         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
1136         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1137         (ix86_debug_arg_string, ix86_debug_addr_string)
1138         (ix86_align_loops_string, ix86_align_jumps_string)
1139         (ix86_align_funcs_string): Delete.
1140         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
1141         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
1142         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
1143         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
1144         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
1145         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
1146         (SUBTARGET_SWITCHES): Delete.
1147         * config/i386/i386.c (ix86_debug_arg_string): Delete.
1148         (ix86_debug_addr_string): Delete.
1149         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
1150         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
1151         (ix86_align_loops_string, ix86_align_jumps_string)
1152         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
1153         (ix86_align_funcs_string): Make static.
1154         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1155         (ix86_handle_option): New function.
1156         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
1157         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
1158         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
1159         of darwin_fix_and_continue_switch.
1160         (darwin_one_byte_bool): Delete.
1161         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
1162         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
1163         to darwin_one_byte_bool.
1164         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
1165         * config/i386/djgpp.opt, config/i386/i386.opt,
1166         * config/i386/sco5.opt: New files.
1167
1168 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
1169
1170         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
1171         fp_zero_operand, fp_register_operand, intreg_operand,
1172         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
1173         call_operand, call_operand_address, tgd_symbolic_operand,
1174         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
1175         symbolic_operand, symbolic_memory_operand, label_ref_operand,
1176         sp64_medium_pic_operand, data_segment_operand,
1177         text_segment_operand, splittable_symbolic_memory_operand,
1178         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
1179         eq_or_neq, normal_comp_operator, noov_compare_op,
1180         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
1181         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
1182         const64_operand, const64_high_operand, arith11_operand,
1183         arith10_operand, arith_double_operand, arith_double_4096_operand,
1184         arith_double_add_operand, arith11_double_operand,
1185         arith10_double_operand, small_int, small_int_or_double,
1186         uns_small_int, uns_arith_operand, clobbered_register,
1187         input_operand, compare_operand): Delete.
1188         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
1189         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
1190         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
1191         (GEN_HIGHINT64, GEN_INT64): Delete.
1192         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1193         gen_safe_XOR64): Adjust for above deletion.
1194         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
1195         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
1196         (legitimate_constant_p): Use const_zero_operand instead.
1197         (sparc_extra_constraint_check): Likewise.
1198         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
1199         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
1200         (PREDICATE_CODES): Delete.
1201         * config/sparc/sparc.md: Include predicates.md.
1202         (All patterns): Adjust for new predicate names.
1203         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
1204         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
1205         (movdi): Use general_operand predicate.
1206         (movdi_sp64_dbl): Delete.
1207         (movdi_const64_special): Add 'N' constraint.
1208         (movdicc): Use arith10_operand predicate.
1209         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
1210         (movdi_cc_reg_sp64): Use arith10_operand predicate.
1211         (movdi_cc_reg_sp64_trunc): Delete.
1212         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
1213         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
1214         (subdi3_sp32): Delete.
1215         (subdi3_insn_sp32): Change to define_insn_and_split.
1216         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
1217         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
1218         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
1219         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
1220         small_int_operand predicate.
1221         (divdi3, udivdi3): Use arith_operand predicate.
1222         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
1223         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
1224         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
1225         (xordi3_sp64_dbl): Delete.
1226         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1227         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
1228         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
1229         cmp_ccx_set_not): Use arith_operand predicate.
1230         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
1231         * config/sparc/predicates.md: New file.
1232
1233 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
1234
1235         PR tree-optimization/14846
1236         * fold-const.c (fold_single_bit_test_into_sign_test): New,
1237         split out from ...
1238         (fold_single_bit_test): ... here.
1239         (fold_binary): Call fold_single_bit_test_into_sign_test
1240         instead of fold_single_bit_test.
1241
1242 2005-04-20  James E Wilson  <wilson@specifixinc.com>
1243
1244         PR c++/20805
1245         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
1246         is another declaration.
1247
1248 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
1249
1250         * config/cris/predicates.md: New file.
1251         * config/cris/cris-protos.h (cris_store_multiple_op_p)
1252         (cris_movem_load_rest_p): Declare.
1253         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
1254         (cris_movem_load_rest_p): Ditto.  Globalize.
1255         (cris_bdap_operand, cris_bdap_biap_operand,
1256         cris_orthogonal_operator, cris_commutative_orth_op,
1257         cris_operand_extend_operator,
1258         cris_additive_operand_extend_operator, cris_extend_operator,
1259         cris_plus_or_bound_operator, cris_mem_op,
1260         cris_general_operand_or_symbol,
1261         cris_general_operand_or_gotless_symbol,
1262         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
1263         cris_load_multiple_op): Remove predicate functions.
1264         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
1265         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
1266         * config/cris/cris.h (PREDICATE_CODES): Don't define.
1267         * config/cris/cris.md: Include predicates.md.
1268         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
1269
1270 2005-04-20  Ian Lance Taylor  <ian@airs.com>
1271
1272         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
1273         * c-common.h (STMT_EXPR_STMT): Don't define.
1274         (STMT_EXPR_NO_SCOPE): Don't define.
1275         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
1276         * c-pretty-print.c (pp_c_primary_expression): Likewise.
1277         (pp_c_expression): Likewise.
1278
1279 2005-04-20  Richard Henderson  <rth@redhat.com>
1280
1281         PR target/21100
1282         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
1283
1284 2005-04-20  Jeff Law  <law@redhat.com>
1285
1286         * reload1.c (reload): Ignore equivalences between pseudos and
1287         read only memory.
1288
1289 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
1290
1291         PR c/12913
1292         * c-tree.h (struct c_label_list): Update comment.
1293         (struct c_label_context): Rename to struct c_label_context_se.
1294         (label_context_stack): Rename to label_context_stack_se.
1295         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
1296         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
1297         c_end_vm_scope): New.
1298         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
1299         * c-decl.c (pop_scope): Call c_end_vm_scope.
1300         (pushdecl): Call c_begin_vm_scope for variably modified
1301         declarations.
1302         (define_label): Check for jumping into scope of identifier with
1303         variably modified type.  Push label on stack for those defined at
1304         current context of identifiers with variably modified type.
1305         (start_function): Create stack level for context of identifiers
1306         with variably modified type.
1307         (finish_function): Pop stack level for context of identifiers with
1308         variably modified type.
1309         * c-typeck.c (label_context_stack): Rename to
1310         label_context_stack_se.
1311         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
1312         (c_finish_goto_label): Check for jumping into scope of identifier
1313         with variably modified type.  Push label on stack for those jumped
1314         to from current context of identifiers with variably modified
1315         type.
1316         (struct c_switch): Add blocked_vm.
1317         (c_start_case): Initialize blocked_vm.
1318         (do_case): Check blocked_vm.
1319         (c_finish_case): Add comment.
1320         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
1321         variable label_context_stack.
1322
1323 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1324
1325         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
1326         conditional_replacement, value_replacement, abs_replacement,
1327         minmax_replacement.
1328         (replace_phi_edge_with_variable): Remove argument BB.
1329         (conditional_replacement, value_replacement,
1330         minmax_replacement, abs_replacement): Remove argument PHI_BB.
1331         Update a call to replace_phi_edge_with_variable.
1332
1333         * tree-ssa-phiopt.c: Fix comments.
1334
1335 2005-04-20  Michael Matz  <matz@suse.de>
1336
1337         PR20973
1338         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
1339         pseudos.
1340
1341 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1342
1343         * tree-ssa-phiopt.c: Fix comment typos.
1344
1345         PR tree-optimization/21116
1346         * tree-ssa-phiopt.c: Fix a typo.
1347
1348 2005-04-19  Richard Henderson  <rth@redhat.com>
1349
1350         * builtins.c (expand_builtin_sync_operation): Revert last change.
1351         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
1352         not vs new value.
1353         (expand_compare_and_swap_loop): Likewise.
1354         (expand_sync_operation): Remove fallback from NAND to AND; invert
1355         memory operand when expanding from cmpxchg.
1356         (expand_sync_fetch_operation): Likewise.
1357         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
1358         compare-and-swap.
1359
1360         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
1361         when implementing NAND.  Fix double-add for AFTER.
1362         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
1363         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
1364         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
1365         memory value.
1366         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
1367         memory barrier.
1368
1369         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
1370         to return old memory value.
1371         (sync_compare_and_swap_cc<IMODE>): Likewise.
1372
1373         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
1374         return pre-reload.  Don't consider output or anti dependencies.
1375         * config/ia64/sync.md (IMODE): New.
1376         (modesuffix): Add QI and HI.
1377         (memory_barrier): Simplify expansion.
1378         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
1379         (cmpxchg_acq_<IMODE>): Likewise.
1380         (sync_lock_test_and_set<IMODE>): Likewise.
1381         (sync_lock_release<IMODE>): Likewise.
1382
1383 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1384
1385         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
1386         ~X or ~Y simplify.
1387
1388 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
1389
1390         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
1391
1392 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
1393             Joseph S. Myers  <joseph@codesourcery.com>
1394
1395         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
1396         * c-typeck.c (build_c_cast): Check these options.
1397         * doc/invoke.texi: Document these options.
1398
1399 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
1400
1401         * tree-ssa-phiopt.c: Update a comment about the pass.
1402
1403 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1404
1405         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
1406         config/mcore/mcore.c: Fix comment typos.
1407
1408 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
1409
1410         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
1411         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
1412
1413 2005-04-19  Paul Brook  <paul@codesourcery.com>
1414
1415         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
1416
1417 2005-04-19  Andrew Haley  <aph@redhat.com>
1418
1419         PR java/21022
1420         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
1421         looking at a field's bitpos.
1422
1423 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1424
1425         * system.h (fopen, fdopen, freopen): Define these to the unlocked
1426         libiberty functions.
1427
1428 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
1429
1430         PR tree-optimization/21096
1431         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
1432
1433 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
1434
1435         PR target/21098
1436         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
1437         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
1438
1439 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
1440
1441         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
1442         refers to the function being dumped.
1443
1444 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
1445
1446         * varasm.c (assemble_start_function): Remove reset of in_section.
1447
1448 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1449
1450         PR tree-optimization/21085
1451         * fold-const (fold_binary): Don't change X % -C to X % C if C has
1452         overflowed.
1453
1454 2005-04-19  Ben Elliston  <bje@au.ibm.com>
1455
1456         * doc/invoke.texi (Optimize Options): Refer to the correct
1457         optimisation flag -ftree-dominator-opts, not -ftree-dom.
1458
1459 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
1460
1461         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
1462         alloca argument to be big enough.
1463
1464 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
1465
1466         PR middle-end/21049
1467         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
1468         cfun->cfg are NULL.
1469
1470 2005-04-18  Tom Tromey  <tromey@redhat.com>
1471
1472         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
1473         typo.
1474
1475 2005-04-18  Richard Henderson  <rth@redhat.com>
1476
1477         * config/alpha/alpha.c (alpha_split_atomic_op): New.
1478         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
1479         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
1480         * config/alpha/alpha-protos.h: Update.
1481         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
1482         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
1483         (attr type): Add ld_l, st_c, mb.
1484         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
1485         iornotsi3, xorsi_internal, xornotsi3): New.
1486         * config/alpha/ev4.md (ev4_ld): Add ld_l.
1487         (ev4_ist_c, ev4_mb): New.
1488         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
1489         (ev5_ld_l): New.
1490         * config/alpha/ev6.md (ev6_ild): Add ld_l.
1491         (ev6_ist): Add st_c.
1492         (ev6_mb): New.
1493         * config/alpha/sync.md: New file.
1494
1495 2005-04-18  Richard Henderson  <rth@redhat.com>
1496
1497         * builtins.c (expand_builtin_sync_operation): Fold nand to and
1498         for constants.
1499
1500         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
1501
1502 2005-04-18  Devang Patel  <dpatel@apple.com>
1503
1504         * config/rs6000/atlivec.md (mulv4si3): New pattern.
1505
1506 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1507
1508         PR tree-optimization/20922
1509         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
1510         Fold X + c >= X and fold X - c <= X to true.
1511
1512 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
1513
1514         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
1515         unsigned int.
1516         (emergency_labeled_state_free): Likewise.
1517
1518 2005-04-18  Nick Clifton  <nickc@redhat.com>
1519
1520         * config/h8300/h8300.md (jump): Remove prescan parameter from
1521         calls to final_scan_insn.
1522
1523         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
1524         parameter from calls to final_scan_insn.
1525
1526         * config.gcc (m68hc12): Use the m68hc11.opt file for target
1527         specific options.
1528         (v850e, v850e1): Use the v850.opt file for target specific
1529         options.
1530
1531 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
1532
1533         PR tree-optimization/21001
1534         * tree-optimize.c (init_tree_optimization_passes): Move the
1535         first pass_forwprop immediately before pass_vrp.
1536
1537 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1538
1539         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
1540         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
1541         from enum tree_code op to bool is_sizeof.
1542         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
1543         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
1544         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
1545         case.
1546         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
1547         cases.
1548         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
1549         ALIGNOF_EXPR cases.
1550
1551 2005-04-17  Ian Lance Taylor  <ian@airs.com>
1552
1553         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
1554
1555 2005-04-17  Richard Henderson  <rth@redhat.com>
1556
1557         * config/alpha/alpha.c (va_list_skip_additions): Only define if
1558         TARGET_ABI_OSF.
1559         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
1560         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
1561         of indirection through ssa names while looking for the gpr counter
1562         field.
1563         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
1564         saved va_list_gpr_size and va_list_fpr_size.
1565
1566 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1567
1568         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
1569         both pointers or both integers.
1570
1571         * tree-vrp.c (maybe_add_assert_expr): Don't assert
1572         ASSERT_EXPRs for single-use variable.
1573
1574         * tree-into-ssa.c: Fix a comment typo.
1575
1576 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
1577
1578         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
1579         -mipsN before forcing a default of -mips2.
1580
1581 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1582
1583         * predict.h (IS_TAKEN): Remove.
1584         * rtl.h (NOTE_PREDICTION): Likewise.
1585
1586         * modulo-sched.c (CFG_HOOKS): Remove.
1587
1588         * c-parser.c (N_C_TTYPES): Remove.
1589
1590         * tree-flow-inline.h (get_stmt_operands): Remove.
1591         * lambda-code.c, tree-ssa-loop-unswitch.c,
1592         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
1593         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
1594         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
1595         calls to get_stmt_operands.
1596         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
1597
1598 2005-04-17  Richard Henderson  <rth@redhat.com>
1599
1600         PR target/20375
1601         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
1602         of CUMULATIVE_ARGS past the last named argument.
1603         (alpha_va_start): Expect pretend_args_size only if strictly less than
1604         6 named arguments.
1605
1606 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
1607
1608         PR middle-end/21024
1609         * builtins.c (expand_builtin_strcat): Convert the result of
1610         strlen to the right type.
1611         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
1612         avoid creating type mismatches.
1613         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
1614         type mismatches.
1615
1616         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
1617
1618 2005-04-16  Richard Henderson  <rth@redhat.com>
1619
1620         PR target/21051
1621         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
1622         Use the mode of boolean_type_node when the user doesn't provide one.
1623         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
1624
1625 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
1626
1627         PR target/20126
1628         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
1629         (const)).
1630
1631         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
1632         comment.
1633
1634 2005-04-16  Roger Sayle  <roger@eyesopen.com>
1635             Steven Bosscher  <stevenb@suse.de>
1636
1637         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
1638         (fold_unary_to_constant): Likewise.
1639
1640 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
1641
1642         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
1643         PROP_ASM_SCAN.
1644
1645 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
1646
1647         * doc/install.texi (Specific): Avoid using asterisks in @anchor
1648         names related to target triplets.
1649         Remove i?86-*-esix from platform directory.
1650         Remove powerpc-*-eabiaix from platform directory.
1651
1652 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
1653
1654         PR middle-end/20491
1655         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
1656         falling through from SUBREG case to REG.
1657
1658 2005-04-15  Roger Sayle  <roger@eyesopen.com>
1659
1660         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
1661         (fold_binary): Update comment mentioning fold_relational_hi_lo.
1662         (fold_binary_to_constant): Simplify using fold_binary.
1663         (fold_unary_to_constant): Likewise, simplify using fold_unary.
1664
1665 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1666
1667         * gthr-posix.c (pthread_cancel): Define.
1668         (pthread_mutexattr_init): Likewise.
1669         (pthread_mutexattr_settype): Likewise.
1670         (pthread_mutexattr_destroy): Likewise.
1671
1672 2005-04-15  David S. Miller  <davem@davemloft.net>
1673
1674         PR target/20673
1675         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
1676
1677 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1678
1679         PR tree-optimization/21031
1680         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
1681         (forward_propagate_into_cond_1): Call it.  Forward propagate
1682         integer-integer casts into COND_EXPRs.
1683
1684 2005-04-15  Dave Korn  <dave.korn@artimi.com>
1685
1686         * gcc.c (default_compilers): Clarify obscure error message when
1687         reading from standard input.
1688
1689 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1690
1691         * basic-block.h (PROP_EQUAL_NOTES): Remove.
1692         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
1693
1694         * tree-ssa-alias.c (init_alias_info): Remove a call to
1695         get_stmt_operands.
1696
1697 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
1698
1699         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
1700         of non-virtual PHI nodes like we use to.
1701
1702 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
1703
1704         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
1705         (attr_copy_rtx): Do not use it.
1706
1707 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
1708
1709         * doc/tree-ssa.texi: Grammer/abbreviation updates.
1710
1711 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
1712
1713         * tree-vect-transform.c (vectorizable_store): Mark necessary
1714         objects in the vectorized store needing renaming.  Update the
1715         SSA graph for V_MAY_DEF operands in the original store.
1716
1717 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
1718
1719         * tree-ssa-pre.c (compute_avail): It's okay to have
1720         TREE_INVARIANT's here, and value number the resulting expressions.
1721         (create_expression_by_pieces): Make sure operands that were
1722         min_invariant when we started, stay that way.
1723
1724 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
1725
1726         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
1727
1728 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1729
1730         PR tree-optimization/20936.
1731         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
1732
1733 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1734
1735         * doc/invoke.texi: Fix typos.
1736         * doc/md.texi: Likewise.
1737         * doc/rtl.texi: Likewise.
1738         * doc/sourcebuild.texi: Likewise.
1739         * doc/tm.texi: Likewise.
1740
1741 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
1742
1743         PR tree-optimization/21004
1744         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
1745         and floorl in c99 mode only.
1746         * builtins.c (expand_builtin_int_roundingfn): Assert that
1747         fallback_fndecl is not NULL_TREE.
1748
1749 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
1750
1751         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
1752         * basic-block.h: Update the prototype for
1753         purge_all_dead_edges.
1754         * cfgexpand.c (tree_expand_cfg): Update a call to
1755         purge_all_dead_edges.
1756         * combine.c (combine_instructions): Likewise.
1757         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
1758         rest_of_handle_cse2, rest_of_handle_gcse,
1759         rest_of_handle_postreload): likewise.
1760
1761 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
1762
1763         PR middle-end/20739
1764         * gimplify.c (gimplify_addr_expr): Compensate for removal of
1765         e.g. cv-qualification conversions.
1766
1767 2005-04-14  Mike Stump  <mrs@apple.com>
1768
1769         * config/darwin-c.c (framework_construct_pathname): We must
1770         find all headers of a framework in the first instance of it
1771         found in the seach path.
1772
1773 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1774
1775         PR tree-optimization/21021
1776         * tree-vrp.c (compare_values): Work around a bug in the front
1777         end that produces a comparison of mismatched types.
1778
1779 2004-04-14  Richard Henderson  <rth@redhat.com>
1780
1781         * config/ia64/ia64.h (enum fetchop_code): Remove.
1782         (enum ia64_builtins): Move ...
1783         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
1784         members except BSP and FLUSHRS.
1785         (ia64_init_builtins): Remove __sync builtins.
1786         (ia64_expand_builtin): Likewise.
1787         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
1788         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
1789         (ia64_expand_lock_release): Remove.
1790         * config/ia64/ia64.md (mf): Move to sync.md.
1791         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
1792         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
1793         * config/ia64/sync.md: New file.
1794         (memory_barrier): Rename from mf.
1795         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
1796         (cmpxchg_acq_<I48MODE>): Likewise.
1797         (sync_lock_test_and_set<I48MODE>): Likewise.
1798
1799         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
1800         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
1801
1802 2004-04-14  Richard Henderson  <rth@redhat.com>
1803
1804         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
1805         (ix86_compare_emitted): New.
1806         (ix86_expand_compare): Use ix86_compare_emitted if set.
1807         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
1808         and ix86_compare_op0 are set.
1809         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
1810         (TARGET_CMPXCHG, TARGET_XADD): New.
1811         (ix86_compare_emitted): Declare.
1812         * config/i386/i386.md: Include sync.md
1813         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
1814         (UNSPECV_XCHG, UNSPECV_LOCK): New.
1815         * config/i386/sync.md: New file.
1816
1817 2004-04-14  Richard Henderson  <rth@redhat.com>
1818
1819         PR middle-end/14311
1820         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
1821         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
1822         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
1823         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
1824         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
1825         BT_FN_I8_VPTR_I8_I8): New.
1826         * builtins.def (DEF_SYNC_BUILTIN): New.
1827         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
1828         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
1829         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
1830         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
1831         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
1832         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
1833         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
1834         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
1835         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
1836         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
1837         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
1838         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
1839         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
1840         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
1841         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
1842         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
1843         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
1844         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
1845         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
1846         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
1847         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
1848         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
1849         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
1850         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
1851         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
1852         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
1853         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
1854         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
1855         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
1856         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
1857         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
1858         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
1859         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
1860         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
1861         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
1862         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
1863         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
1864         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
1865         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
1866         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
1867         BUILT_IN_SYNCHRONIZE: New.
1868         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
1869         as a function.  Accept __sync_ as a prefix as well.
1870         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1871         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
1872         expand_builtin_lock_release): New.
1873         (expand_builtin): Call them.
1874         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
1875         neither BOTH_P nor FALLBACK_P are defined.
1876         (builtin_type_for_size): New.
1877         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
1878         (resolve_overloaded_builtin): New.
1879         * c-common.h (resolve_overloaded_builtin): Declare.
1880         (builtin_type_for_size): Declare.
1881         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
1882         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
1883         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
1884         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
1885         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
1886         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
1887         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
1888         sync_compare_and_swap_cc, sync_lock_test_and_set,
1889         sync_lock_release): New.
1890         * optabs.h: Declare them.
1891         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
1892         expand_sync_operation, expand_sync_fetch_operation,
1893         expand_sync_lock_test_and_set): Declare.
1894         * genopinit.c (optabs): Add sync optabs.
1895         * optabs.c (init_optabs): Initialize sync optabs.
1896         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
1897         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
1898         expand_sync_operation, expand_sync_fetch_operation,
1899         expand_sync_lock_test_and_set): New.
1900         * doc/extend.texi (Atomic Builtins): New section
1901         * doc/md.texi (Standard Names): Add sync patterns.
1902
1903 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
1904
1905         * tree-eh.c (lower_try_finally_copy): Generate new code in
1906         response to goto_queue entries as if the queue was sorted by
1907         index, not pointers.
1908         (lower_try_finally_switch): Likewise.
1909
1910 2005-04-14  Richard Henderson  <rth@redhat.com>
1911
1912         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
1913         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
1914         register.
1915         (ix86_expand_fp_movcc): Update to match.
1916         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
1917         * config/i386/i386-protos.h: Update.
1918         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
1919         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
1920
1921 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
1922
1923         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
1924         refer to 4.0.
1925
1926 2005-04-14  Julian Brown  <julian@codesourcery.com>
1927
1928         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
1929         link failures on ppc64 Linux.
1930
1931 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
1932
1933         * config.gcc: Set cpu_type for s390.
1934
1935 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
1936
1937         Fix PR tree-optimization/20963
1938         * tree-ssa-pre.c (compute_avail): Remove special case for
1939         TREE_INVARIANT.
1940         (create_expression_by_pieces): Add value numbers for forced out
1941         statements.
1942
1943 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
1944
1945         * config/cris/cris.md: Replace references to (reg:SI 16) with
1946         (reg:SI CRIS_SRP_REGNUM).
1947
1948 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
1949
1950         PR tree-optimization/20657
1951         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
1952         create an appropriate range from it.
1953
1954 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1955
1956         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
1957         <UNSPEC_FIST_CEIL> case.
1958
1959         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
1960         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
1961         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
1962         to implement lfloor and llfloor built-ins as x87 intrinsic function.
1963         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
1964         (lfloor<mode>2): New expanders.
1965         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
1966         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
1967         to implement lceil and llceil built-ins as x87 intrinsic function.
1968         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
1969         (lceil<mode>2): New expanders.
1970
1971 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
1972
1973         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
1974         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
1975
1976 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
1977
1978         PR target/20927
1979         * config/s390/s390-modes.def: Define TFmode.
1980
1981 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
1982
1983         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
1984         (JUMP_TABLES_IN_TEXT_SECTION): Define.
1985         * config/mips/mips.c (mips16_insn_length): Remove reference to
1986         JUMP_TABLES_IN_TEXT_SECTION.
1987
1988 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
1989
1990         * simplify-rtx.c (simplify_binary_operation_1): Return
1991         scalar or vector of constant 0, depending on the xor's
1992         mode.
1993
1994 2005-04-13  Dale Johannesen  <dalej@apple.com>
1995
1996         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
1997         (objc-act.o):  Ditto.
1998         * objc/objc-act.c (objc_gimplify_expr):  New.
1999         (objc_get_callee_fndecl):  New.
2000         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
2001         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
2002         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
2003
2004 2005-04-13  Devang Patel  <dpatel@apple.com>
2005
2006         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
2007         temp variables.
2008
2009 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
2010
2011         CRIS prologue as RTL.
2012         * config/cris/cris-protos.h (cris_emit_movem_store)
2013         (cris_expand_prologue): Prototype.
2014         * config/cris/cris.c (struct machine_function): New member
2015         stdarg_regs.
2016         (cfa_label_num, cris_target_asm_function_prologue): Remove.
2017         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
2018         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
2019         (cris_load_multiple_op, cris_return_address_on_stack)
2020         (cris_return_address_on_stack_for_return): ISO-Cify.
2021         (cris_store_multiple_op): New predicate function.
2022         (cris_expand_prologue, cris_emit_movem_store): New functions.
2023         (cris_print_operand) <case 'O'>: Handle modifications other than
2024         post-increment.
2025         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
2026         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
2027         (cris_gen_movem_load): Rearrange slightly to make local variable
2028         src a parameter, removing osrc.
2029         (cris_setup_incoming_varargs): Set machine_function member
2030         stdarg_regs to correspond to the number of registers that need to
2031         be saved.
2032         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
2033         CRIS_UNSPEC_GOT.
2034         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
2035         cris_general_operand_or_gotless_symbol accept UNSPEC.
2036         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
2037         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
2038         ("*cris_store_multiple"): New pattern.  Tweak common comment above
2039         this and "*cris_load_multiple".
2040         ("prologue"): New define_expand.
2041
2042         * config/cris/cris.md ("epilogue"): Conditionalize on
2043         TARGET_PROLOGUE_EPILOGUE.
2044
2045 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
2046
2047         PR target/20924
2048         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
2049         fpsr 0 instead of fpsr 1.
2050         (divsf3_internal_thr): Ditto.
2051         (divdf3_internal_lat): Ditto.
2052         (divdf3_internal_thr): Ditto.
2053         (divxf3_internal_lat): Ditto.
2054         (divxf3_internal_thr): Ditto.
2055
2056 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2057
2058         PR tree-optimization/20913
2059         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
2060
2061         PR tree-optimization/20702
2062         * tree-vrp.c (maybe_add_assert_expr): Recurse into
2063         dominator children that haven't been walked into.
2064
2065 2005-04-13  Julian Brown  <julian@codesourcery.com>
2066
2067         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
2068         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
2069         is true.
2070
2071 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2072
2073         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
2074         config/i386/sse.md: Fix comment typos.
2075
2076         * genattrtab.c (NULL_ATTR): Remove.
2077         * ifcvt.c (NULL_EDGE): Likewise.
2078
2079         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
2080
2081         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
2082         NOTE_PREDICT): Remove.
2083
2084 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2085
2086         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
2087         * configure: Regenerate.
2088         * config.in: Likewise.
2089         * system.h: Declare vsnprintf if not already declared.
2090
2091 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2092
2093         * optc-gen.awk: Handle stand-alone Mask records.
2094         * opth-gen.awk: Likewise.
2095         * doc/options.texi (Option file format): Document them.
2096         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
2097         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
2098         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
2099         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
2100         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
2101         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
2102         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
2103         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
2104         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
2105         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
2106         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
2107         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
2108         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
2109         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
2110         TARGET_LONG_DOUBLE_128): Likewise.
2111         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
2112         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
2113         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
2114         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
2115         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
2116         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
2117         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
2118         * config/sparc/sparc.c (fpu_option_set): New global.
2119         (sparc_handle_option): New function.
2120         (sparc_override_options): Test fpu_option_set.
2121         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
2122         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
2123         * config/sparc/sparc.opt: New file.
2124         * config/sparc/little-endian.opt: Likewise.
2125         * config/sparc/long-double-switch.opt: Likewise.
2126
2127 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
2128
2129         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
2130         (bfin_handle_options): Set it if -mshared-library-id= is seen.
2131         * config/bfin/bfin.opt (mshared-library-id=): Lose
2132         Var(bfin_lib_id_given).
2133
2134 2005-04-13  Matt Thomas  <matt@3am-software.com>
2135
2136         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
2137         defining.
2138
2139 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
2140
2141         * rtl.h (CLEAR_RTX_FLAGS): Remove.
2142
2143         * cgraphunit.c (INSNS_PER_CALL): Remove.
2144
2145         * tree-ssa-forwprop.c (vars,
2146         record_single_argument_cond_exprs,
2147         substitute_single_use_vars): Remove.
2148         (forward_propagate_into_cond_1, forward_propagate_into_cond):
2149         New.
2150         (tree_ssa_forward_propagate_single_use_vars): Call
2151         forward_propagate_into_cond for each COND_EXPR.
2152
2153         * tree-inline.c (INSNS_PER_STMT): Remove.
2154
2155 2005-04-12  Richard Henderson  <rth@redhat.com>
2156
2157         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
2158         (ix86_expand_sse_fp_minmax): ... from ...
2159         (ix86_expand_fp_movcc): ... here.
2160         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
2161         * config/i386/i386-protos.h: Update.
2162         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
2163         (sse_setccsf, sse_setccdf): Allow before reload.
2164         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
2165         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
2166         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
2167         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
2168         (anddf3, nanddf3, iordf3, xordf3): New.
2169
2170 2005-04-12  Jeff Law  <law@redhat.com>
2171
2172         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
2173         (tree-ssa-uncprop.o): Add dependencies.
2174         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
2175         * tree-flow.h (remove_useless_stmts): Remove prototype.
2176         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2177         remove_useless_stmts.
2178         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
2179         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
2180         * tree-pass.h (pass_uncprop): Declare.
2181         * tree-ssa-uncprop.c: New file.
2182
2183 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
2184
2185         PR target/20670
2186         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
2187
2188 2005-04-12  Caroline Tice  <ctice@apple.com>
2189
2190         Temporary fix for partitioning problems.
2191         * passes.c (rest_of_handle_final): Remove code that
2192         frees unlikely_text_section_name,
2193         * varasm.c (assemble_start_function): Test for partitioning
2194         flag before writing out section labels.
2195         (assemble_end_function): Test for partitioning flag before
2196         writing out section labels.
2197
2198 2005-04-12  Steven Bosscher  <stevenb@suse.de>
2199             Stuart Hastings <stuart@apple.com>
2200             Jan Hubicka  <jh@suse.cz>
2201
2202         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
2203         references to gt-tree-cfg.h.
2204         * basic-block.h (struct basic_block_def): Don't skip rbi
2205         for garbage collection.
2206         (struct reorder_block_def): Make GTY-able.
2207         (struct control_flow_graph): New structure.
2208         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
2209         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
2210         but instead defines to the control_flow_graph for cfun.
2211         (label_to_block_map): New define, points to the label map of
2212         the control_flow_graph for cfun.
2213         (n_edges_for_function, n_basic_blocks_for_function,
2214         last_basic_block_for_function, basic_block_info_for_function,
2215         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
2216         basic_block_info_for_function, label_to_block_map_for_function):
2217         Counterparts for the above, taking a struct function as an extra
2218         argument.
2219         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
2220         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
2221         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
2222         (alloc_rbi_pool, free_rbi_pool): Remove.
2223         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
2224         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
2225         here...
2226         (cfg_layout_finalize) ... and don't free it here.
2227         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
2228         garbage collected.
2229         * flow.c (free_basic_block_vars): Set label_to_block_map and
2230         n_edges to zero too.
2231         * function.h (struct function): Add cfg field.
2232         * function.c (allocate_struct_function): Allocate the cfg.
2233         * tree-cfg.c (label_to_block_map): Remove.
2234         (build_tree_cfg): Don't allocate the rbi pool here...
2235         (delete_tree_cfg_annotations): ...and don't free it here.
2236         Also don't nullify label_to_block_map for cfun.
2237
2238 2005-04-12  Caroline Tice  <ctice@apple.com>
2239
2240         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2241         Revert my patch from April 9.
2242         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
2243         (reorder_basic_blocks): Revert my patch from April 9.
2244         (insert_section_boundary_note): Revert my patch from April 9.
2245         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
2246         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
2247         (COLD_END_LABEL):  Revert my patch from April 9.
2248         (cold_text_section_label):  Revert my patch from April 9.
2249         (cold_end_label): Revert my patch from April 9.
2250         (dwarf2out_switch_text_section): Revert my patch from April 9.
2251         (output_aranges): Revert my patch from April 9.
2252         (output_ranges):  Revert my patch from April 9.
2253         (output_line_info): Revert my patch from April 9.
2254         (add_location_or_const_value_attribute):  Revert my patch from April 9.
2255         (dwarf2out_var_location): Revert my patch from April 9.
2256         (dwarf2out_init):  Revert my patch from April 9.
2257         (dwarf2out_finish): Revert my patch from April 9.
2258         * function.h (struct function): Revert my patch from April 9.
2259         * opts.c (decode_options): Revert my patch from April 9.
2260         * output.h (unlikely_section_label, hot_section_label,
2261         hot_section_end_label, cold_section_end_label,
2262         unlikely_text_section_name): Revert my patch from April 9.
2263         * passes.c (rest_of_handle_final): Revert my patch from April 9.
2264         * varasm.c (unlikely_section_label, hot_section_label,
2265         hot_section_end_label, cold_section_end_label,
2266         unlikely_text_section_name): Revert my patch from April 9.
2267         (initialize_cold_section_name): Revert my patch from April 9.
2268         (unlikely_text_section): Revert my patch from April 9.
2269         (in_unlikely_text_section): Revert my patch from April 9.
2270         (named_section): Revert my patch from April 9.
2271         (function_section): Revert my patch from April 9.
2272         (current_function_section): Revert my patch from April 9.
2273         (assemble_start_function): Revert my patch from April 9.
2274         (assemble_end_function): Revert my patch from April 9.
2275         (default_section_type_flags_1): Revert my patch from April 9.
2276
2277 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
2278
2279         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
2280         * config/sparc/sparc.md (untyped_call): Save the registers manually.
2281
2282         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
2283
2284 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
2285
2286         PR middle-end/20917
2287         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
2288         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
2289
2290 2004-04-12  Richard Henderson  <rth@redhat.com>
2291
2292         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
2293         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
2294         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
2295         (UNSPEC_*, UNSPECV_*): Renumber.
2296
2297 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
2298
2299         PR mudflap/19266
2300         From Richard Henderson <rth@redhat.com>:
2301         * tree-mudflap.c (mf_build_check_statement_for): Correct block
2302         splitting logic.
2303
2304 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
2305
2306         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
2307
2308 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2309
2310         * config/bfin/bfin.c (bfin_library_id_string): Remove.
2311         (bfin_library_id): New variable.
2312         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
2313         instead of bfin_library_id_string.
2314         (bfin_handle_option): New function.
2315         (override_options): Remove most code to deal with shared library IDs,
2316         just check they aren't used without -mid-shared-library.
2317         (TARGET_HANDLE_OPTION): Define.
2318         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
2319         * config/bfin/bfin.opt (mshared-library-id=): New.
2320
2321 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
2322
2323         * tree-vect-transform.c: Fix comment typos.
2324
2325 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
2326
2327         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
2328         split critical edges when not possible/profitable.
2329
2330 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2331
2332         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
2333         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
2334         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
2335         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
2336         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
2337         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
2338         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
2339         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
2340         MASK_NO_BITFIELD.
2341         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
2342         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2343         * config/ns32k/ns32k.opt: New file.
2344
2345 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
2346
2347         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
2348         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
2349         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
2350         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
2351         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
2352         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
2353         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
2354         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
2355         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
2356         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
2357         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
2358         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
2359         (MASK_COLDFIRE): Formatting fixes.
2360         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
2361         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
2362         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
2363         "_current_shared_library_a5_offset_".
2364         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2365         (MASK_ALL_CPU_BITS): New macro.
2366         (m68k_handle_option): New function.
2367         (override_options): Remove handling of m68k_library_id_string.
2368         * config/m68k/m68k.opt: New file.
2369         * config/m68k/ieee.opt: New file.
2370
2371 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
2372
2373         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2374         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
2375         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2376         (TARGET_CXX): Adjust accordingly.
2377         * target.h (struct gcc_target): Remove epxort_class_data.  Add
2378         determine_class_data_visibility and class_data_always_comdat.
2379         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2380         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
2381         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2382         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
2383         (arm_cxx_determine_class_data_visibility): New.
2384         (arm_cxx_class_data_always_comdat): Likewise.
2385         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
2386         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2387         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
2388         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
2389         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
2390         Define.
2391
2392 2005-04-11  Devang Patel  <dpatel@apple.com>
2393
2394         * tree-data-ref.c (build_classic_dist_vector,
2395         compute_subscript_distance): Make externally visible.
2396         * tree-data-ref.h (build_classic_dist_vector,
2397         compute_subscript_distance): Same.
2398         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
2399         Check distance vector against vectorization factor.
2400         (vect_analyze_loop): Determine vectorizaion factor before
2401         analyzing data dependences.
2402         * tree-vectorizer.c (loops_num): Make it externally visible and
2403         rename ...
2404         * tree-vectorizer.c (vect_loops_num): ... new name.
2405         * tree-vectorizer.h  (vect_loops_num): New.
2406
2407 2005-04-11  Devang Patel  <dpatel@apple.com>
2408
2409         * tree-vect-analyze.c (vect_analyze_operations): Check
2410         vectorizable codition.
2411         * tree-vect-transform.c (vect_is_simple_cond): New function.
2412         (vectorizable_condition): New function.
2413         (vect_transform_stmt): Handle condition_vec_info_type.
2414         * tree-vectorizer.h (enum stmt_vec_info_type): Add
2415         condition_vec_info_type.
2416         (vectorizable_condition): New.
2417
2418 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
2419
2420         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
2421         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
2422         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
2423
2424         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
2425         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
2426
2427         * dwarf2out.c (output_line_info): Don't try to dereference
2428         a NULL current_function_decl.
2429
2430         * config/t-slibgcc-darwin: Don't put shared libraries in
2431         directories other than $(slibdir).
2432         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
2433         OS uses for it.
2434
2435 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2436
2437         PR tree-optimization/20933
2438         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
2439         logic to reject aliases between read-only and writable
2440         variables ...
2441         (may_alias_p): ... here.
2442         (get_tmt_for): Do not associate read-only tags to pointers
2443         whose pointed-to type is not read-only.
2444         * tree-ssa.c (verify_ssa): Check that memory stores have at
2445         least one V_MAY_DEF or V_MUST_DEF.
2446
2447 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2448
2449         PR/17092
2450         * configure.ac (gcc_UNLOCKED_FUNCS): New.
2451         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
2452         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
2453         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
2454         _unlocked function.
2455         (fwrite_unlocked): Fix prototype.
2456
2457         * configure, config.in: Regenerate.
2458
2459 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
2460
2461         * tree-ssa-loop-im.c: Include real.h.
2462         (determine_invariantness_stmt): If real division divisor is
2463         invariant and flag_unsafe_math_optimizations enabled, generate
2464         invariant reciprocal for hoisting.
2465         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
2466
2467 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2468
2469         Fix PR tree-optimization/20926
2470
2471         * tree-ssa-alias.c (add_type_alias): Handle subvars.
2472
2473 2005-04-11  Devang Patel  <dpatel@apple.com>
2474
2475         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
2476         operand ordering.
2477
2478 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2479
2480         * fold-const.c (fold_binary_op_with_conditional_arg):
2481         use fold_buildN instead of "fold (buildN" in some
2482         non obvious places.
2483         (fold_unary): Likewise.
2484         (fold_binary): Likewise.
2485
2486 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
2487
2488         Fix PR tree-optimization/20612
2489         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
2490         handling
2491         (perfect_nestify): preheaderbb is *not* part of loop of the
2492         old destination.
2493
2494 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
2495
2496         * tree-ssa-alias.c (may_alias_p): If the variable
2497         is a global variable and the pointer is parameter
2498         and -fargument-noalias-global is used, then
2499         the pointer cannot alias the variable.
2500
2501 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
2502
2503         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
2504         * config/sparc/sparc.h: Likewise.
2505         * config/sparc/sparc.md: Likewise.
2506
2507 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
2508
2509         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
2510
2511         * tree-vrp.c: Fix a comment typo.
2512
2513 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
2514
2515         PR tree-optimization/20920
2516         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
2517         SSA_NAME flows through an abnormal edge.
2518         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
2519         through abnormal edges.
2520         (maybe_add_assert_expr): Likewise.
2521
2522 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
2523
2524         * config/s390/s390.h (s390_tune_string, s390_arch_string)
2525         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
2526         (s390_stack_size_string, s390_stack_guard_string, target_flags)
2527         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
2528         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
2529         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
2530         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
2531         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
2532         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
2533         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
2534         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
2535         (TARGET_HANDLE_OPTION): Likewise.
2536         (s390_tune): Initialize to PROCESSOR_max.
2537         (s390_arch_string): Make static.
2538         (s390_tune_string, s390_warn_framesize_string): Delete.
2539         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
2540         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
2541         (s390_handle_arch_option, s390_handle_option): New functions.
2542         (override_options): Remove parsing of option strings.
2543         * config/s390/s390.opt: New file.
2544
2545 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2546
2547         * tree-complex.c (expand_vector_operations): Call
2548         update_stmt_if_modified.
2549
2550 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
2551
2552         * tree-vect-analyze (vect_determine_vectorization_factor):
2553         Do not use GET_MODE_NUNITS.
2554         * tree-vect-transform.c (vect_get_vec_def_for_operand,
2555         (vectorizable_load, vect_transform_loop): Likewise.
2556
2557 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
2558
2559         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
2560         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
2561         * optabs.h (enum optab_index): Add new OTI_lceil.
2562         (lceil_optab): Define corresponding macro.
2563         * optabs.c (init_optabs): Initialize lceil_optab.
2564         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
2565         and lceildi2 patterns.
2566         * builtins.c (expand_builtin_int_roundingfn): Handle
2567         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
2568         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
2569         BUILT_IN_LLCEIL{,F,L}.
2570         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
2571         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
2572         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
2573         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
2574         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
2575         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
2576         into lceil built-in function and (long long int)ceil{,f,l} into
2577         llceil built-in function.
2578         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
2579         BUILT_IN_LLCEIL.
2580
2581 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2582
2583         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
2584         zero.
2585
2586 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
2587
2588         * config/arm/arm.c: Fix a comment typo.
2589         * doc/tree-ssa.texi: Fix a typo.
2590
2591 2005-04-10  Steven Bosscher  <stevenb@suse.de>
2592
2593         * cselib.c (clear_table): Rename to cselib_clear_table.
2594         * cselib.h (cselib_clear_table): Add prototype.
2595         * gcse.c (gcse_main): Make 'f' argument unused.
2596         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
2597         of each basic block instead.
2598         (compute_sets, compute_hash_table_work): Likewise.
2599         (constprop_register): Change int 'alter_jumps' argument to bool.
2600         (do_local_cprop): Likewise.
2601         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
2602         the insn chain.  Explicitly clear the cselib tables after finishing
2603         one basic block.  Make sure there are no unterminated libcall blocks.
2604         Update compute_sets call.
2605         (cprop): Walk basic blocks instead of the insn chain.
2606         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
2607         Likewise.
2608         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
2609         one_cprop_pass calls.
2610
2611 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2612
2613         * combine.c (combine_simplify_rtx): Remove a transformation that
2614         relies on an invalid assumption about rtl sign-extension semantics.
2615
2616 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
2617
2618         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
2619         to build_int_cst_wide.
2620
2621 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
2622
2623         PR target/20126
2624         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
2625         set the original address pseudo to the correct value before the
2626         original insn, if possible, and leave the insn alone, otherwise
2627         create a new pseudo, set it and replace it in the insn.
2628         * recog.c (validate_change_maybe_volatile): New.
2629         * recog.h (validate_change_maybe_volatile): Declare.
2630
2631 2005-04-09  Caroline Tice  <ctice@apple.com>
2632
2633         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2634         Remove targetm.have_named_sections test.
2635         (fix_edges_for_rarely_executed_code): Likewise.
2636         (insert_section_boundary_note): Likewise.
2637         (reorder_basic_blocks): Check partitioning flag before calling
2638         verify_hot_cold_block_grouping.
2639         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2640         the function struct rather than global variables.
2641         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2642         (COLD_END_LABEL): Likewise
2643         (cold_text_section_label): New static global variable.
2644         (cold_end_label): Likewise.
2645         (dwarf2out_switch_text_section): Get hot/cold section labels from
2646         the function struct rather than global variables.
2647         (output_aranges): Use cold_text_section_label and cold_end_label;
2648         check partitioning flag before putting out delta.
2649         (output_ranges): Remove incorrect code attempting to use
2650         hot/cold labels.
2651         (output_line_info): Get cold section label from function struct.
2652         (add_location_or_const_value_attribute): Likewise.
2653         (get_subprogram_die): Get hot/cold section labels from function struct.
2654         (dwarf2out_var_location): Likewise.
2655         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2656         write out cold_text_section_label if partition flag is set.
2657         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2658         * function.h (struct function): Add new fields to point to hot/cold
2659         section labels: hot_section_label, cold_section_label,
2660         hot_section_end_label and cold_section_end_label; also add new field
2661         for cold text section name, unlikely_text_section_name.
2662         * opts.c (decode_options): Turn off partitioning flag if
2663         !targetm.have_named_sections.
2664         * output.h (hot_section_label): Remove.
2665         (hot_section_end_label): Remove.
2666         (cold_section_end_label): Remove.
2667         (unlikely_section_label): Remove.
2668         (unlikely_text_section_name): Remove.
2669         * passes.c (rest_of_handle_final):  Remove code that frees
2670         unlikely_text_section_name.
2671         * varasm.c (unlikely_section_label): Remove.
2672         (hot_section_label): Remove.
2673         (hot_section_end_label): Remove.
2674         (cold_section_end_label): Remove.
2675         (unlikely_text_section_name):  Remove.
2676         (initialize_cold_section_name): Modify to call
2677         targetm.strip_name_encoding; to store cold section name in current
2678         function struct, if it exists; and to only use the decl_section_name
2679         if flag_named_sections is true.
2680         (unlikely_text_section): Modify to get section name out of current
2681         function struct, if there is one; otherwise build it from
2682         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2683         (in_unlikely_text_section): Likewise.
2684         (named_section): Modify to get/put cold section name in current function
2685         struct, if there is one.
2686         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2687         targetm.have_named_sections before calling named_section.
2688         (current_function_section): Likewise.
2689         (assemble_start_function): Modify to get/put unlikely_text_section_name
2690         in current function struct; modify to get hot/cold section labels
2691         from function struct; initialize labels using
2692         ASM_GENERATE_INTERNAL_LABEL;
2693         test partitioning flag before writing out hot section label.
2694         (assemble_end_function): Test partitioning flag before writing out
2695         hot/cold section labels.
2696         (default_section_type_flags_1):  Modify to use array instead of
2697          char* for unlikely_text_section_name; set flags correctly for
2698          cold text section if there is not a current function decl.
2699
2700 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2701
2702         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2703         and TI_VA_LIST_FPR_COUNTER_FIELD.
2704         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2705         * tree-pass.h (pass_stdarg): Add.
2706         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2707         * tree-stdarg.c: New file.
2708         * tree-stdarg.h: New file.
2709         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2710         (tree-stdarg.o): Add dependencies.
2711         * function.h (struct function): Add va_list_gpr_size and
2712         va_list_fpr_size fields.
2713         * function.c (allocate_struct_function): Initialize them.
2714         * target.h (struct gcc_target): Add stdarg_optimize_hook.
2715         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2716         (TARGET_INITIALIZER): Add it.
2717
2718         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2719         va_list_{g,f}pr_counter_field.
2720         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2721         area will not be used.  Only save registers that tree-stdarg.c
2722         detected they need saving.
2723         (ix86_va_start): Don't set up fields that won't be used.
2724
2725         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2726         va_list_{g,f}pr_counter_field.
2727         (setup_incoming_varargs): Don't do anything if reg_save
2728         area will not be used.  Only save registers that tree-stdarg.c
2729         detected they need saving.
2730         (rs6000_va_start): Don't set up fields that won't be used.
2731
2732         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
2733         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
2734         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
2735         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
2736
2737 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
2738
2739         PR target/20795
2740         * config/i386/i386.c (construct_container): Pass empty aligned
2741         struct, union or class in memory.
2742
2743 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
2744
2745         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
2746         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
2747         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
2748         config/rs6000/predicates.md: Fix comment typos.
2749
2750         * sched-int.h (haifa_insn_data): Remove blockage and units.
2751         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
2752         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
2753         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
2754
2755 2005-04-09  Jan Hubicka  <jh@suse.cz>
2756             Steven Bosscher  <stevenb@suse.de>
2757
2758         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
2759         * cfgloop.c (get_loop_exit_edges): Likewise.
2760         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
2761         (unloop): Likewise.
2762         * loop-unroll.c (analyze_insns_in_loop): Likewise.
2763         * tree-cfg.c (dump_cfg_status): Likewise.
2764
2765 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
2766
2767         * config/rs6000/predicates.md (altivec_register_operand): Remove
2768         redundant match_code test.
2769         (gpc_reg_operand): Same.
2770         (cc_reg_operand): Same.
2771         (cc_reg_not_cr0_operand): Same.
2772
2773 2005-04-09  Jan Hubicka  <jh@suse.cz>
2774
2775         Forgotten hunk from my last merge patch:
2776         * final.c (output_addr_const): Do not call mark_referenced.
2777
2778 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
2779
2780         * doc/tree-ssa.texi: Add immediate use documentation.
2781
2782 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
2783
2784         * arm.c (FL_WBUF): Define.
2785         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
2786         (arm_is_6_or_7): Delete.
2787         (arm_tune_wbuf): New.
2788         (arm_override_options): Set arm_tune_wbuf.
2789         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
2790         (arm_is_6_or_7): Delete declaration.
2791         (arm_tune_wbuf): New declartion.
2792         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
2793         (model_wbuf): Derive from arm_tune_wbuf.
2794         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
2795         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
2796         (arm740t): Mark CPUs as having a write buffer.
2797
2798 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2799
2800         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
2801         of 'const_double_operand' in operand 2 constraints.  Update enable
2802         condition.
2803
2804 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
2805
2806         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
2807         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
2808         * optabs.h (enum optab_index): Add new OTI_lfloor.
2809         (lfloor_optab): Define corresponding macro.
2810         * optabs.c (init_optabs): Initialize lfloor_optab.
2811         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
2812         and lfloordi2 patterns.
2813         * builtins.c (expand_builtin_int_roundingfn): New prototype.
2814         (expand_builtin_int_roundingfn): New function.
2815         (fold_builtin_int_roundingfn): New prototype.
2816         (fold_builtin_int_roundingfn): New function, renamed from
2817         fold_builtin_lround.
2818         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
2819         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
2820         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
2821         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
2822         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
2823         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
2824         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
2825         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
2826         into lfloor built-in function and (long long int)floor{,f,l} into
2827         llfloor built-in function.
2828         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
2829         BUILT_IN_LLFLOOR.
2830
2831 2005-04-08  Ian Lance Taylor  <ian@airs.com>
2832
2833         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
2834         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
2835         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
2836         (DO_COND, DO_BODY): Likewise.
2837         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
2838         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
2839         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
2840         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
2841         (build_continue_stmt, build_break_stmt): Don't declare.
2842         (c_do_switch_warnings): Update declaration.
2843         * c-gimplify.c (enum bc_t): Remove.
2844         (struct c_gimplify_ctx, ctxp): Remove.
2845         (push_context, pop_context): Remove static functions.
2846         (c_genericize): Don't call push_context or pop_context.
2847         (begin_bc_block, finish_bc_block): Remove static functions.
2848         (build_bc_goto): Likewise.
2849         (gimplify_c_loop): Likewise.
2850         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
2851         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
2852         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
2853         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
2854         * c-common.c (c_do_switch_warnings): Rename from
2855         c_do_switch_warnings_1.
2856         (c_do_switch_warnings) [old version]: Remove.
2857         (c_do_switch_expr_warnings): Remove.
2858         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
2859         function instead of c_do_switch_expr_warnings.
2860         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
2861         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
2862         * c-pretty-print.c (pp_c_statement): Likewise.
2863         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
2864
2865 2005-04-08  Devang Patel  <dpatel@apple.com>
2866
2867         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
2868         While selecting replacement condition pay attention to loop header.
2869
2870 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
2871
2872         Merge from tree-cleanup-branch: VRP, store CCP, store
2873             copy-prop, incremental SSA updating of FUD chains and
2874             newly exposed symbols.
2875
2876         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
2877         (OBJS-common): Add tree-vrp.o.
2878         (tree-vrp.o): New rule.
2879         * basic-block.h (nearest_common_dominator_for_set): Declare.
2880         * common.opt (ftree-store-ccp): New flag.
2881         (ftree-copy-prop): New flag.
2882         (ftree-vrp): New flag.
2883         (ftree-store-copy-prop): New flag.
2884         * dominance.c (nearest_common_dominator_for_set): New.
2885         * domwalk.c (walk_dominator_tree): Only traverse
2886         statements in blocks marked in walk_data->interesting_blocks.
2887         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
2888         * fold-const.c (fold): Handle ASSERT_EXPR.
2889         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
2890         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
2891         flag_tree_vrp at -O2.
2892         * timevar.def (TV_TREE_VRP): Define.
2893         (TV_TREE_COPY_PROP): Define.
2894         (TV_TREE_STORE_COPY_PROP): Define.
2895         (TV_TREE_SSA_INCREMENTAL): Define.
2896         (TV_TREE_STORE_CCP): Define.
2897         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
2898         to kill_redundant_phi_nodes from comment.
2899         (verify_expr): Handle ASSERT_EXPR.
2900         * tree-dfa.c (mark_new_vars_to_rename): Remove second
2901         argument.  Update all users.
2902         (mark_call_clobbered_vars_to_rename): Remove.  Update all
2903         users.
2904         * tree-flow-inline.h (unmodifiable_var_p): New.
2905         * tree-flow.h (enum value_range_type): Declare.
2906         (struct value_range_def): Declare.
2907         (value_range): Declare.
2908         (remove_all_phi_nodes_for): Remove.  Update all users.
2909         (find_phi_node_for): Declare.
2910         (add_type_alias): Declare.
2911         (count_uses_and_derefs): Declare.
2912         (kill_redundant_phi_nodes): Remove.
2913         (rewrite_into_ssa): Remove.
2914         (rewrite_def_def_chains): Remove.
2915         (update_ssa, register_new_name_mapping, create_new_def_for,
2916         need_ssa_update_p, name_registered_for_update_p,
2917         release_ssa_name_after_update_ssa, dump_repl_tbl,
2918         debug_repl_tbl, dump_names_replaced_by,
2919         debug_names_replaced_by, mark_sym_for_renaming,
2920         mark_set_for_renaming, get_current_def, set_current_def,
2921         get_value_range, dump_value_range, debug_value_range,
2922         dump_all_value_ranges, debug_all_value_ranges,
2923         expr_computes_nonzero, loop_depth_of_name,
2924         unmodifiable_var_p): Declare.
2925         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
2926         ASSERT_EXPR.
2927         * tree-into-ssa.c (block_defs_stack): Update comment.
2928         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
2929         syms_to_rename, names_to_release, repl_tbl,
2930         need_to_initialize_update_ssa_p, need_to_update_vops_p,
2931         need_to_replace_names_p): New locals.
2932         (NAME_SETS_GROWTH_FACTOR): Define.
2933         (struct repl_map_d): Declare.
2934         (struct mark_def_sites_global_data): Add field
2935         interesting_blocks.
2936         (enum rewrite_mode): Declare.
2937         (REGISTER_DEFS_IN_THIS_STMT): Define.
2938         (compute_global_livein): Use last_basic_block instead of
2939         n_basic_blocks.
2940         (set_def_block): Remove last argument.  Update all callers.
2941         (prepare_use_operand_for_rename): Remove.  Update all callers.
2942         (prepare_def_operand_for_rename): Remove.  Update all callers.
2943         (symbol_marked_for_renaming): New.
2944         (is_old_name): New.
2945         (is_new_name): New.
2946         (repl_map_hash): New.
2947         (repl_map_eq): New.
2948         (repl_map_free): New.
2949         (names_replaced_by): New.
2950         (add_to_repl_tbl): New.
2951         (add_new_name_mapping): New.
2952         (mark_def_sites): Assume that all the operands in the
2953         statement are in normal form.
2954         (find_idf): Assert that the block in the stack is valid.
2955         (get_default_def_for): New.
2956         (insert_phi_nodes_for): Add new argument 'update_p'.
2957         Add documentation.
2958         If update_p is true, add a new mapping between the LHS of
2959         each new PHI and the name that it replaces.
2960         (insert_phi_nodes_1): Only call find_idf if needed.
2961         (get_reaching_def): Call get_default_def_for.
2962         (rewrite_operand): Remove.
2963         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
2964         and REWRITE_THIS_STMT are false.
2965         Assume that all the operands in the statement are in
2966         normal form.
2967         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
2968         (rewrite_virtual_phi_arguments): Remove.
2969         (invalidate_name_tags): Remove.
2970         (register_new_update_single, register_new_update_set,
2971         rewrite_update_init_block, replace_use,
2972         rewrite_update_fini_block, rewrite_update_stmt,
2973         rewrite_update_phi_arguments): New.
2974         rewrite_blocks): Remove argument 'fix_virtual_phis'.
2975         Add arguments 'entry', 'what' and 'blocks'.
2976         Initialize the dominator walker according to 'what' and
2977         'blocks'.
2978         Start the dominator walk at 'entry'.
2979         (mark_def_site_blocks): Add argument 'interesting_blocks'.
2980         Use it to configure the dominator walker.
2981         (rewrite_into_ssa): Remove argument 'all'.
2982         Make internal.
2983         (rewrite_all_into_ssa): Remove.
2984         (rewrite_def_def_chains): Remove.
2985         (mark_def_interesting, mark_use_interesting,
2986         prepare_phi_args_for_update, prepare_block_for_update,
2987         prepare_def_site_for, prepare_def_sites,
2988         dump_names_replaced_by, debug_names_replaced_by,
2989         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
2990         delete_update_ssa, create_new_def_for,
2991         register_new_name_mapping, mark_sym_for_renaming,
2992         mark_set_for_renaming, need_ssa_update_p,
2993         name_registered_for_update_p, ssa_names_to_replace,
2994         release_ssa_name_after_update_ssa,
2995         insert_updated_phi_nodes_for, update_ssa): New.
2996         * tree-loop-linear.c (linear_transform_loops): Call
2997         update_ssa instead of rewrite_into_ssa.
2998         * tree-optimize.c (vars_to_rename): Remove.
2999         Update all users.
3000         (init_tree_optimization_passes): Replace
3001         pass_redundant_phi with pass_copy_prop.
3002         Add pass_vrp.
3003         Replace pass_ccp with pass_store_ccp.
3004         Add pass_store_copy_prop after pass_store_ccp.
3005         (execute_todo): If the TODO_ flags don't include updating
3006         the SSA form, assert that it does not need to be updated.
3007         Call update_ssa instead of rewrite_into_ssa and
3008         rewrite_def_def_chains.
3009         If TODO_verify_loops is set, call verify_loop_closed_ssa.
3010         (tree_rest_of_compilation):
3011         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
3012         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
3013         TODO_cleanup_cfg): Renumber.
3014         (TODO_verify_loops, TODO_update_ssa,
3015         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3016         TODO_update_ssa_only_virtuals): Define.
3017         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
3018         Declare.
3019         * tree-phinodes.c (make_phi_node): Update documentation.
3020         (remove_all_phi_nodes_for): Remove.
3021         (find_phi_node_for): New.
3022         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
3023         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
3024         (interpret_rhs_modify_expr): Likewise.
3025         * tree-sra.c (decide_instantiations): Mark all symbols in
3026         SRA_CANDIDATES for renaming.
3027         (mark_all_v_defs_1): Rename from mark_all_v_defs.
3028         (mark_all_v_defs): New function.  Update all users to call it
3029         with the whole list of scalarized statements, not just the
3030         first one.
3031         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
3032         (compute_flow_insensitive_aliasing): If the tag is
3033         unmodifiable and the variable isn't or vice-versa, don't
3034         make them alias of each other.
3035         (setup_pointers_and_addressables): If the type tag for
3036         VAR is about to change, mark the old one for renaming.
3037         (add_type_alias): New.
3038         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
3039         (ccp_lattice_t): Rename from latticevalue.
3040         (value): Remove.  Update all users.
3041         (const_val): New local variable.
3042         (do_store_ccp): New local variable.
3043         (dump_lattice_value): Handle UNINITIALIZED.
3044         (debug_lattice_value): New.
3045         (get_default_value): Re-write.
3046         (set_lattice_value): Re-write.
3047         (def_to_varying): Remove.  Update all users.
3048         (likely_value): Return VARYING for statements that make
3049         stores when STORE_CCP is false.
3050         Return VARYING for any statement other than MODIFY_EXPR,
3051         COND_EXPR and SWITCH_EXPR.
3052         (ccp_initialize): Re-write.
3053         (replace_uses_in, replace_vuse_in, substitute_and_fold):
3054         Move to tree-ssa-propagate.c.
3055         (ccp_lattice_meet): Handle memory stores when
3056         DO_STORE_CCP is true.
3057         (ccp_visit_phi_node): Likewise.
3058         (ccp_fold): Likewise.
3059         (evaluate_stmt): Likewise.
3060         (visit_assignment): Likewise.
3061         (ccp_visit_stmt): Likewise.
3062         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
3063         into DO_STORE_CCP.
3064         (do_ssa_ccp): New.
3065         (pass_ccp): Use it.
3066         (do_ssa_store_ccp): New.
3067         (gate_store_ccp): New.
3068         (pass_store_ccp): Declare.
3069         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
3070         (may_propagate_copy): Reformat.
3071         Don't abort if ORIG is a virtual and DEST isn't.
3072         If NEW does not have alias information but DEST does,
3073         copy it.
3074         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
3075         copy_prop_kind, which_copy_prop): Declare.
3076         (stmt_may_generate_copy, get_copy_of_val,
3077         get_last_copy_of, set_copy_of_val, dump_copy_of,
3078         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
3079         copy_prop_visit_stmt, copy_prop_visit_phi_node,
3080         init_copy_prop, fini_copy_prop, execute_copy_prop,
3081         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
3082         store_copy_prop): New.
3083         (pass_copy_prop, pass_store_copy_prop): Declare.
3084         * tree-ssa-dom.c (struct opt_stats_d): Add fields
3085         'num_const_prop' and 'num_copy_prop'.
3086         (cprop_operand): Update them.
3087         (dump_dominator_optimization_stats): Dump them.
3088         (tree_ssa_dominator_optimize): Call update_ssa instead of
3089         rewrite_into_ssa.
3090         (loop_depth_of_name): Declare extern.
3091         (simplify_cond_and_lookup_avail_expr): Guard against NULL
3092         values for LOW or HIGH.
3093         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
3094         (record_equivalences_from_stmt): Call expr_computes_nonzero.
3095         (cprop_operand): Only propagate if VAL != OP.
3096         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
3097         statement for renaming.
3098         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
3099         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
3100         add_type_alias if necessary.
3101         Call mark_new_vars_to_rename.
3102         (tree_ssa_iv_optimize): If new symbols need to be renamed,
3103         mark every statement updated, call update_ssa and
3104         rewrite_into_loop_closed_ssa.
3105         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
3106         from LIVEIN if VAR is a virtual.
3107         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
3108         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
3109         (get_call_expr_operands): Reformat statement.
3110         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
3111         symbols.
3112         * tree-ssa-propagate.c (ssa_prop_init): Initialize
3113         SSA_NAME_VALUE for every name.
3114         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3115         get_value_loaded_by): New.
3116         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
3117         substitute_and_fold): Move from tree-ssa-ccp.c.
3118         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
3119         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
3120         get_value_loaded_by, replace_uses_in, substitute_and_fold):
3121         Declare.
3122         * tree-ssa.c (verify_use): Fix error message.
3123         (propagate_into_addr, replace_immediate_uses, get_eq_name,
3124         check_phi_redundancy, kill_redundant_phi_nodes,
3125         pass_redundant_phi): Remove.  Update all users.
3126         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
3127         add_type_alias, if necessary.
3128         * tree-vectorizer.h (struct _stmt_vect_info): Update
3129         documentation for field 'memtag'.
3130         * tree-vrp.c: New file.
3131         * tree.def (ASSERT_EXPR): Define.
3132         * tree.h (ASSERT_EXPR_VAR): Define.
3133         (ASSERT_EXPR_COND): Define.
3134         (SSA_NAME_VALUE_RANGE): Define.
3135         (struct tree_ssa_name): Add field 'value_range'.
3136         (PHI_REWRITTEN): Remove.
3137         (struct tree_phi_node): Remove field 'rewritten'.
3138         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
3139         -ftree-store-copy-prop): Document.
3140         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
3141         Document usage of update_ssa.
3142
3143 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
3144
3145         PR target/20814
3146         * config/rs6000/predicates.md (altivec_register_operand): Accept
3147         SUBREG.
3148         (and64_operand): Do not limit CONST_INT to mask64_operand.
3149         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
3150         (and_operand): Do not limit CONST_INT to mask_operand.
3151
3152 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
3153
3154         PR rtl-optimization/20466
3155         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
3156         for overlap of the address of each list member.
3157         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
3158
3159 2005-04-08  Mike Stump  <mrs@apple.com>
3160
3161         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
3162
3163         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
3164         instead of 4.
3165
3166 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
3167
3168         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
3169
3170         * function.c (push_function_context_to): Don't set
3171         contains_functions.
3172         * function.h (function): Remove contains_functions.
3173         (current_function_contains_functions): Remove.
3174
3175         * function.h (function): Remove instrument_entry_exit.
3176         (current_function_instrument_entry_exit): Remove.
3177
3178         * function.h (nonlocal_labels): Remove.
3179
3180         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
3181
3182         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
3183         (check_attr_value, write_attr_get, write_expr_attr_cache,
3184         find_attr, make_internal_attr): Don't reference negative_ok or
3185         unsigned_p.
3186         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
3187         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
3188         (ATTR_STATIC): Adjust the value.
3189
3190         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
3191
3192 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
3193
3194         * config/s390/tpf.h (ASM_SPEC): Define.
3195
3196 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
3197
3198         * tree-flow.h: Remove the prototype for
3199         redirect_immediate_uses.
3200         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
3201
3202 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
3203
3204         * arm.c (arm_const_double_by_parts): New function.
3205         * arm-protos.h (arm_const_double_by_parts): Add prototype.
3206         * arm.md (define_split for 64-bit constants): Add another one.
3207
3208 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
3209
3210         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
3211
3212 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3213
3214         * system.h: Revert last change.
3215
3216 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
3217
3218         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
3219         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
3220         (TARGET_SWITCHES): Delete.
3221         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
3222         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
3223         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
3224         * config/xtensa/xtensa.opt: New file.
3225
3226 2005-04-08  Ben Elliston  <bje@au.ibm.com>
3227
3228         * config/fp-bit.c: Include L_mul_tf in #endif comment.
3229         * config/fp-bit.h: Tidy comments.
3230
3231 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3232
3233         * system.h: Poison PARAMS.
3234
3235 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
3236
3237         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
3238         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
3239         (TARGET_SWITCHES): Delete.
3240         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3241         * config/vax/vax.opt: New file.
3242
3243 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
3244
3245         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
3246
3247 2005-04-07  Ian Lance Taylor  <ian@airs.com>
3248
3249         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
3250         define.
3251         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
3252         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
3253         Likewise.
3254
3255 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
3256
3257         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
3258         all immediate uses in PHI nodes.
3259
3260 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
3261
3262         * arm.c (arm_const_double_inline_cost): Handle any constant by
3263         using gen_lowpart and gen_highpart_mode.
3264         (note_invalid_constants): All constants in an RTX with a constraint
3265         that permits memory are now pushed to the constant pool.
3266         (output_move_double): Delete code to handle reg to reg and
3267         constant to reg moves.
3268         (const_double_needs_minipool, output_mov_immediate): Delete.
3269         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
3270         CONST_INT and CONST_VECTOR.
3271         * arm.md (ANY64): New mode macro.
3272         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
3273         (movdf_soft_insn): Split reg-reg and const-reg moves.
3274         (split patterns for 64-bit constant and register moves): New.
3275         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
3276         (cirrus_movdf_hard_insn): Likewise.
3277         * fpa.md (movdf_fpa): Likewise.
3278         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
3279         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
3280         constraints.
3281         (movv2si_internal_2): Likewise.
3282         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
3283         (movdf_vfp): Likewise.
3284         * arm-protos.h (output_mov_immediate): Delete prototype.
3285
3286 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
3287
3288         PR target/20093
3289         * simplify-rtx.c (simplify_unary_operation_1): Check
3290         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
3291
3292 2005-04-06  James E Wilson  <wilson@specifixinc.com>
3293
3294         PR target/20717
3295         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
3296         ADDR_EXPR.
3297
3298 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3299
3300         * coverage.h (GCOV_TYPE_NODE): Delete.
3301         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
3302         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
3303         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
3304         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
3305         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
3306
3307 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
3308
3309         PR other/20792
3310         * Makefile.in (gcc.pot): Remove options.c dependency.
3311         * optc-gen.awk: Don't quote help strings with N_().
3312
3313 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
3314
3315         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
3316         the function returns a pointer type.
3317
3318 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
3319
3320         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
3321         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
3322         * doc/invoke.texi: Documnet salias-max-implicit-fields.
3323         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
3324         explicit_uses members.
3325         (get_or_create_used_part_for): Initialize new fields.
3326         (fieldoff_compare): New function.
3327         (create_overlap_variables_for): Count number of fields, use
3328         heuristic to determine whether to create subvars for vars with
3329         only implicit uses.
3330         Sort the field list by offset and avoid creating duplicate SFT's.
3331
3332 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3333
3334         * c.opt (-F): Remove trailing whitespace from help string.
3335         (-finput-charset): Use a tab to separate the switch name and help
3336         string.
3337         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
3338         (-ftree-vectorizer-verbose): Likewise.
3339
3340 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3341
3342         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
3343         a PHI argument where a use occurs instead of all PHI arguments.
3344
3345 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
3346
3347         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
3348         scope.
3349
3350 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
3351
3352         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
3353         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
3354         config/bfin/bfin.h: Fix comment typos.
3355
3356 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
3357
3358         * doc/install.texi: Update the URL for Jacks.
3359         * doc/sourcebuild.texi: Likewise.
3360
3361 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3362
3363         PR target/17245
3364         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
3365         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
3366
3367 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3368
3369         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
3370
3371 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
3372
3373         * config/v850/v850-protos.h (override_options): Delete.
3374         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
3375         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
3376         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
3377         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
3378         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
3379         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
3380         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
3381         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
3382         (OVERRIDE_OPTIONS): Delete.
3383         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
3384         (small_memory_info): Remove the value field.
3385         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
3386         TARGET_NO_APP_REGS.
3387         * config/v850/v850.c (small_memory): Remove the value field.
3388         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3389         (override_options): Delete.
3390         (v850_handle_memory_option, v850_handle_option): New functions.
3391         * config/v850/v850.opt: New file.
3392
3393 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
3394
3395         * config.host: Add a section for generic hosts, and a subsection
3396         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
3397         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
3398         * config/host-darwin.h: New.
3399         * config/x-darwin: New.
3400         * config/i386/host-i386-darwin.c: New.
3401         * config/i386/x-darwin: New.
3402         * config/rs6000/host-darwin.c: Include host-darwin.h.
3403         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
3404         (darwin_rs6000_gt_pch_use_address): Likewise.
3405         * config/rs6000/x-darwin: Change name of .o built, update
3406         dependencies for changes to rs6000/host-darwin.c.
3407
3408 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3409
3410         PR target/17824
3411         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
3412
3413 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
3414
3415         * tree-vect-analyze.c (vect_analyze_loop_form): Call
3416         split_loop_exit_edge instead of loop_split_edge_with.
3417
3418 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
3419
3420         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
3421         UNSPEC_SET_VSCR): New constants, used throughout.
3422         (*andc3_v4sf): New.
3423         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
3424         Replace with...
3425         (altivec_vspltis<VI_char>): ... this pattern, using
3426         a QImode const_int_operand for the immediate.
3427         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
3428         define_expands.
3429
3430 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3431
3432         PR target/17822
3433         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
3434
3435 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
3436
3437         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
3438
3439 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3440
3441         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
3442         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
3443         macros as living in "this file" and not gcc.h.
3444
3445 2005-04-06  Ben Elliston  <bje@au.ibm.com>
3446
3447         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
3448         -ftree-live_range_split.  Perhaps renamed at some point?
3449
3450 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3451
3452         PR target/20625
3453         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
3454         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
3455
3456 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
3457
3458         * tree-flow.h (number_of_iterations_cond): Declaration removed.
3459         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
3460         (number_of_iterations_special): New function.
3461         (number_of_iterations_exit): Use number_of_iterations_special.
3462         Use simplify_using_outer_evolutions only at -O3.
3463         (number_of_iterations_cond, tree_simplify_using_condition,
3464         simplify_using_initial_conditions, loop_niter_by_eval,
3465         compare_trees, can_count_iv_in_wider_type_bound,
3466         simplify_using_outer_evolutions): Use fold_build.
3467
3468 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
3469
3470         * doc/install.texi (Configuration): Document --with-java-home.
3471
3472 2005-04-05  Richard Henderson  <rth@redhat.com>
3473
3474         PR target/20342
3475         PR target/20447
3476         * config/i386/i386.c (print_operand): Handle vector zeros.
3477         (ix86_split_to_parts): Handle CONST_VECTOR.
3478         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
3479         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
3480         what modes to tie for MMX and SSE registers.
3481         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
3482         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
3483         to vector modes as well.
3484         * config/i386/predicates.md (const0_operand): Handle VOIDmode
3485         properly as an input mode.
3486
3487 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3488
3489         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
3490
3491 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3492
3493         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
3494
3495 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3496
3497         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
3498         and local functions, set sse_nregs to 8 and float_in_sse.
3499         (function_arg_advance, function_arg): If float_in_sse, pass
3500         SFmode and DFmode arguments in SSE registers.
3501         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
3502
3503         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
3504         of -funit-at-a-time.
3505
3506 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3507
3508         * config/i386/i386-protos.h (ix86_function_value): Accept two
3509         arguments, like the target macro.
3510         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
3511         * config/i386/i386.c (ix86_function_value): Accept the second
3512         argument of the target macro.
3513         (ix86_function_ok_for_sibcall): Pass a function pointer to
3514         ix86_function_value.
3515         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
3516         call to ix86_value_regno).
3517         (ix86_value_regno): Add support for returning floating point values
3518         in SSE registers.
3519
3520 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
3521
3522         PR tree-optimization/20076
3523         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
3524         that call __builtin_return or __builtin_apply_args.
3525
3526 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
3527
3528         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
3529         Use immediate use iterator.
3530         (stmt_is_bumper_for_loop): Use immediate use iterator.
3531         * predict.c (strip_builtin_expect): Use update_stmt.
3532         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
3533         on all elements of a STATEMENT_LIST.
3534         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
3535         (bsi_remove): Remove imm_use links and mark the stmt as modified.
3536         (bsi_replace): Mark stmt as modified and the update it.
3537         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
3538         (expand_complex_libcal): Call update_stmt.
3539         (expand_complex_comparison): Call mark_stmt_modified.
3540         (expand_complex_operations_1): Call update_stmt_if_modified.
3541         (expand_vector_operations_1): Call mark_stmt_modified.
3542         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
3543         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
3544         add_immediate_use, redirect_immediate_use,
3545         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
3546         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
3547         (mark_new_vars_to_rename): Call update_stmt.
3548         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
3549         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
3550         Ignore PHI nodes.
3551         (unmodify_stmt): Delete.
3552         (update_stmt): New.  Force an update of a stmt.
3553         (update_stmt_if_modified): update a stmt if it is out of date.
3554         (get_stmt_operands): Verify stmt is NOT modified.
3555         (stmt_modified_p): Update comment.
3556         (delink_imm_use): Remove a use node from its immuse list.
3557         (link_imm_use_to_list): Link a use node to a specific list.
3558         (link_imm_use): Link a node to the correct list.
3559         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
3560         it in the correct list, if appropriate.
3561         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
3562         (relink_imm_use): Link a use node in place of another node in a list.
3563         (relink_imm_use_stmt): LInk a node in place of another node, and set
3564         the stmt pointer.
3565         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
3566         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
3567         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
3568         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
3569         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
3570         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
3571         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
3572         (has_zero_uses): New.  Return true if there are no uses of a var.
3573         (has_single_use): New.  Return true if there is only a single use of a
3574         variable.
3575         (single_imm_use): New.  Return the simgle immediate use.
3576         (num_imm_uses): New.  Return the number of immediate uses.
3577         (get_v_must_def_ops): Use is now a pointer.
3578         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
3579         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
3580         the use node.
3581         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
3582         (delink_stmt_imm_use): Delink all immuses from a stmt.
3583         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
3584         * tree-flow.h (struct dataflow_d): Delete.
3585         (immediate_use_iterator_d): New.  Immediate use iterator struct.
3586         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
3587         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
3588         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
3589         iteration.
3590         (struct stmt_ann_d): Remove dataflow_t from struct.
3591         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
3592         (if_convertible_phi_p): Use FAST immuse iterator.
3593         (if_convertible_loop_p): Don't call compute_immediate_uses.
3594         (replace_phi_with_cond_modify_expr): Call update_stmt.
3595         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
3596         update_stmt_if_modified.
3597         (rewrite_all_into_ssa): Initialize ssa operands.
3598         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
3599         compute_immediate_uses.
3600         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
3601         ssa_property is available.
3602         (execute_one_pass):  Change parameters passed to execute_todo.
3603         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
3604         (remove_ssa_form): Call fini_ssa_operands.
3605         (insert_backedge_copies): Delete call to modify_stmt.
3606         * tree-phinodes.c (make_phi_node): Initialize use nodes.
3607         (release_phi_node): Delink any use nodes before releasing.
3608         (resize_phi_node): Relink any use nodes.
3609         (remove_phi_arg_num): Delink the use node.
3610         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
3611         (remove_all_phi_nodes_for): Release phi node first.
3612         * tree-pretty-print.c (dump_generic_node): Print stmt address.
3613         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
3614         (scalarize_use, scalarize_copy): Call update_stmt.
3615         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
3616         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
3617         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
3618         (ccp_initialize): Remove call to compute_immediate_uses.
3619         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
3620         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
3621         stmts.
3622         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
3623         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
3624         (eliminate_redundant_computations): Call mark_stmt_modified.
3625         (cprop_operand): Call mark_stmt_modified.
3626         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
3627         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
3628         (dse_optimize_stmt): Use new immuse interface.
3629         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
3630         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
3631         (substitute_single_use_vars): Use new immuse interface.
3632         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
3633         and compute_immediate_uses.
3634         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
3635         interface.
3636         (rewrite_mem_refs): Call update_stmt.
3637         (determine_lsm): Remove call to compute_imm_uses and free_df.
3638         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
3639         (try_unroll_loop_completely): Call update_stmt.
3640         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
3641         (rewrite_use_compare): Call update_stmt.
3642         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
3643         (rewrite_use) : Call update_stmt.
3644         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
3645         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
3646         update_stmt.
3647         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
3648         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
3649         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
3650         use nodes.
3651         (initialize_vuse_operand): New.  Initialize a vuse operand.
3652         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
3653         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
3654         (finalize_ssa_defs): Use stmt parameter.
3655         (correct_use_link): Ensure a use node is in the correct list, and has
3656         the correct stmt pointer.
3657         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
3658         finalize_ssa_v_must_defs): Also initialize use nodes.
3659         (finalize_ssa_stmt_operands): Pass extra stmt operands.
3660         (build_ssa_operands): Seperate parsing from final operand construction.
3661         (parse_ssa_operands): New.  Parse entry point for operand building.
3662         (swap_tree_operands): New.  Swap 2 tree operands.
3663         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
3664         operands.
3665         (get_expr_operands): Call swap_tree_operands when needed.
3666         (copy_virtual_operands): Use initialize routines for virtual use ops.
3667         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
3668         (verify_abort): New.  Issue imm_use error.
3669         (verify_imm_links): New Verify imm_use links for a var.
3670         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
3671         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
3672         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
3673         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
3674         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
3675         (NULL_USE_OPERAND_P) Define.
3676         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
3677         use node.
3678         (struct vuse_operand_type): New struct.
3679         (SET_USE): Call set_ssa_use_from_ptr.
3680         (USE_STMT): Define.
3681         (PHI_ARG_INDEX_FROM_USE): Define.
3682         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
3683         argument via SET_USE, not PHI_ARG_DEF_TREE.
3684         * tree-ssa-pre.c (eliminate): Call update_stmt.
3685         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
3686         call free_df.
3687         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
3688         (nearest_common_dominator_of_uses): Use imm_use iterator.
3689         (statement_sink_location): Use imm_use iterator and interface.
3690         (execute_sink_code): Don't call compute_immediate_uses or free-df.
3691         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
3692         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
3693         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
3694         (verify_ssa): Ensure no stmt is marked modify after optimization pass
3695         if new parameter is true.
3696         (init_tree_ssa): Don't initialize operand cache here.
3697         (delete_tree_ssa): Don't destroy operand cache here.
3698         (propagate_into_addr): Pass in a use pointer, return true if anything
3699         was changed.
3700         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
3701         (check_phi_redundancy): Use imm_use iterator.
3702         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
3703         free_df.
3704         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
3705         (release_ssa_name): Delink node and all elements in its imm_use list.
3706         * tree-tailcall.c (adjust_return_value): Call update_stmt.
3707         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
3708         * tree-vectorizer.c (need_imm_uses_for): Delete.
3709         (vectorize_loops): Dont call compute_immediate_uses or free_df.
3710         * tree.h (struct ssa_imm_use_d): Define.
3711         (SSA_NAME_IMM_USE_NODE): Define.
3712         (struct tree_ssa_name): Add imm_use node.
3713         (PHI_DF): Delete.
3714         (PHI_ARG_IMM_USE_NODE): Define.
3715         (struct phi_arg_d): Add imm_use node.
3716         (struct tree_phi_node): Remove struct dataflow_d element.
3717         (TDF_STMTADDR): Define.
3718
3719 2005-04-05  Dale Johannesen  <dalej@apple.com>
3720
3721         * doc/invoke.texi (Optimization Options):  Remove
3722         duplicate -fcse-follow-jumps.  Add -fweb.
3723         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
3724         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
3725
3726 2005-04-05  Per Bothner  <per@bothner.com>
3727
3728         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
3729         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
3730         (warn_uninit): Get EXPR_LOCUS from context now instead.
3731         This fixes a USE_MAPPED_LOCATION testsuite failure.
3732
3733         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
3734
3735 2005-04-05  Per Bothner  <per@bothner.com>
3736
3737         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
3738         of the artification 'return 0' in main() to BUILTINS_LOCATION.
3739         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
3740         before warning.
3741
3742 2004-04-05  Devang Patel  <dpatel@apple.com>
3743
3744         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
3745         (lhsr<mode>3): ... new name.
3746         (altivec_vsra<VI_char>): Rename to ..
3747         (ashr<mode>3): ... new name.
3748         * config/rs6000/rs6000.c (builtin_description): Rename shift
3749         operations.
3750
3751 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
3752
3753         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
3754         gen_lowpart_for_combine.
3755         * cse.c (gen_lowpart_if_possible): Move...
3756         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
3757         gen_lowpart_SUBREG.
3758         (gen_lowpart_no_emit_general): Use it.
3759
3760 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3761
3762         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
3763         overriding.
3764
3765 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
3766
3767         * system.h: Fix typo.
3768
3769 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3770
3771         * config/bfin/bfin-modes.def: New file.
3772         * config/bfin/bfin-protos.h: New file.
3773         * config/bfin/bfin.c: New file.
3774         * config/bfin/bfin.h: New file.
3775         * config/bfin/bfin.md: New file.
3776         * config/bfin/bfin.opt: New file.
3777         * config/bfin/crti.s: New file.
3778         * config/bfin/crtn.s: New file.
3779         * config/bfin/elf.h: New file.
3780         * config/bfin/lib1funcs.asm: New file.
3781         * config/bfin/predicates.md: New file.
3782         * config/bfin/t-bfin: New file.
3783         * config/bfin/t-bfin-elf: New file.
3784         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
3785         Document new attributes.
3786         (interrupt, interrupt_handler, saveall): Update documentation for
3787         these attributes.
3788         * doc/install.texi (Specific): Add entry for the Blackfin.
3789         * doc/invoke.texi (Blackfin Options): New section.
3790         * doc/md.texi (Blackfin family): New section to document constraints.
3791         * config.gcc: Add bfin*-* and bfin*-elf configurations.
3792
3793 2005-04-05  Olivier Hainque  <hainque@adacore.com>
3794
3795         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
3796         match what the system unwinder expects.
3797         * config/mips/mips.c (mips_frame_set): If we're saving the return
3798         address register and the dwarf return address column number differs
3799         from the hard register number, adjust the note reg to refer to the
3800         former.
3801
3802 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
3803
3804         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
3805         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
3806         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3807         (processor_type): New enum.
3808         (mn10300_processor): New variable.
3809         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
3810         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
3811         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
3812         (PROCESSOR_DEFAULT): New macro.
3813         * config/mn10300/mn10300.c (mn10300_processor): New variable.
3814         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3815         (mn10300_handle_option, mn10300_override_options): New functions.
3816         * config/mn10300/mn10300.opt: New file.
3817
3818 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3819             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
3820
3821         PR tree-optimization/19903
3822         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
3823         that don't fit in their type after conversion.
3824
3825 2005-04-05  Uros Bizjak <uros@kss-loka.si>
3826
3827         PR target/20421
3828         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
3829         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
3830         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
3831         flag here. Implement using define_insn_and_split.
3832         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
3833         (frndintxf2_mask_pm_i387): New insn patterns.
3834         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
3835         Do not set ix86_optimize_mode_switching flag.
3836         (ceilsf2, ceildf2, ceilxf2): Same.
3837         (btruncsf2, btruncdf2, btruncxf2): Same.
3838         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
3839
3840 2005-04-05  Ian Lance Taylor  <ian@airs.com>
3841
3842         PR debug/9963
3843         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
3844         i386_pe_record_external_function.
3845         (i386_pe_record_external_function): Update declaration.
3846         * config/i386/winnt.c (struct extern_list): Add decl field.
3847         (i386_pe_record_external_function): Add decl parameter.
3848         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
3849         identifier.
3850         * config/i386/i386-protos.h (i386_pe_record_external_function):
3851         Update declaration.
3852
3853 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
3854
3855         * config/m68k/m68k-protos.h: Add a prototype for
3856         valid_dbcc_comparison_p_2.
3857         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
3858         extend_operator, const_uint32_operand, const_sint32_operand,
3859         general_src_operand, nonimmediate_src_operand,
3860         memory_src_operand, post_inc_operand, pre_dec_operand,
3861         pcrel_address): Move to predicates to predicates.md.
3862         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
3863         * config/m68k/m68k.md: Include predicates.md.
3864         * config/m68k/predicates.md: New.
3865
3866 2005-04-04  Roger Sayle  <roger@eyesopen.com>
3867
3868         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
3869
3870         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
3871
3872 2005-04-04  Ian Lance Taylor  <ian@airs.com>
3873
3874         * c-typeck.c (struct c_switch): Rename switch_stmt field to
3875         switch_expr.
3876         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
3877         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
3878         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
3879         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
3880         * c-common.c (c_do_switch_warnings_1): New static function broken
3881         out of c_do_switch_warnings.
3882         (c_do_switch_warnings): Call c_do_switch_warnings_1.
3883         (c_do_switch_expr_warnings): New function.
3884         * c-common.h (c_do_switch_expr_warnings): Declare.
3885
3886 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
3887             Daniel Jacobowitz  <dan@codesourcery.com>
3888
3889         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
3890         trapping divide.
3891         * rtlanal.c (may_trap_p): Same.
3892
3893 2005-04-04  Dale Johannesen  <dalej@apple.com>
3894
3895         * ChangeLog:  remove reference to ChangeLog.12.
3896
3897 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
3898
3899         CRIS epilogue as RTL.
3900         * config/cris/cris.md: Change all 0 in unspec 0 to
3901         CRIS_UNSPEC_PLT.
3902         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
3903         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
3904         patterns.
3905         ("return"): Change to define_expand.  Call cris_expand_return for
3906         actual expansion.
3907         ("*return_expanded"): New pattern.
3908         ("epilogue"): New define_expand.
3909         * config/cris/cris.h (PREDICATE_CODES): Add
3910         cris_load_multiple_op.
3911         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
3912         type.
3913         (enum cris_retinsn_type): New.
3914         (struct machine_function): New member return_type.
3915         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
3916         (cris_target_asm_function_epilogue): Remove, moving RTLified
3917         contents to...
3918         (cris_expand_epilogue): New function.
3919         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
3920         (cris_gen_movem_load, cris_load_multiple_op)
3921         (cris_return_address_on_stack_for_return, cris_expand_return): New
3922         functions.
3923         (cris_target_asm_function_prologue)
3924         (cris_initial_frame_pointer_offset): Call
3925         cris_reg_saved_in_regsave_area instead of complicated expression.
3926         Call cris_return_address_on_stack instead of an expression.
3927         (cris_print_operand) <case 'o', case 'O'>: New cases.
3928         (cris_return_address_on_stack): Change return-type to bool.
3929         (cris_simple_epilogue): Ditto.  Return false if registers are
3930         saved.
3931         * config/cris/cris-protos.h (cris_simple_epilogue)
3932         (cris_return_address_on_stack): Adjust prototype return type.
3933         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
3934         (cris_return_address_on_stack_for_return): New prototypes.
3935
3936 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
3937
3938         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
3939         gpr_or_int12_operand.
3940
3941         * config/frv/frv-protos.h: Add a prototype to
3942         frv_legitimate_memory_operand and frv_const_unspec_p.
3943         (frv_unspec): Move from frv.c.
3944         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
3945         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
3946         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
3947         gpr_or_fpr_operand, gpr_or_int12_operand,
3948         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
3949         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
3950         int6_operand, int5_operand, uint5_operand, uint4_operand,
3951         uint1_operand, int_2word_operand, uint16_operand,
3952         upper_int16_operand, integer_register_operand,
3953         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
3954         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
3955         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
3956         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
3957         move_destination_operand, movcc_fp_destination_operand,
3958         frv_function_symbol_referenced_p, move_source_operand,
3959         condexec_dest_operand, condexec_source_operand,
3960         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
3961         const_unspec_operand, gpr_or_memory_operand,
3962         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
3963         icc_operand, fcc_operand, cc_operand, icr_operand,
3964         fcr_operand, cr_operand, call_operand, sibcall_operand,
3965         symbolic_operand, relational_operator,
3966         integer_relational_operator, float_relational_operator,
3967         ccr_eqne_operator, minmax_operator,
3968         condexec_si_binary_operator, condexec_si_media_operator,
3969         condexec_si_divide_operator, condexec_si_unary_operator,
3970         condexec_sf_conv_operator, condexec_sf_add_operator,
3971         condexec_memory_operand, intop_compare_operator, acc_operand,
3972         even_acc_operand, quad_acc_operand, accg_operand: Move to
3973         predicates.md.
3974         * config/frv/frv.h (PREDICATE_CODES): Remove.
3975         * config/frv/frv.md: Include predicates.md.
3976         * config/frv/predicates.md: New.
3977
3978 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3979
3980         PR target/19537
3981         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
3982         * tree-ssa-loop-ivopts.c: Include langhooks.h.
3983         (add_standard_iv_candidates_for_size): New function, extracting code
3984         from add_standard_iv_candidates and parameterizing it by type size.
3985         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
3986
3987 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
3988
3989         * system.h (GCOV_SIZE_TYPE): Unposion.
3990         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
3991         (GCOV_TYPE_SIZE): ...this new macro.
3992         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
3993         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
3994         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
3995         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
3996         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
3997         instead of unsigned_intSI_type_node.
3998         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
3999         (rtl_gen_one_value_profiler_no_edge_manipulation)
4000         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
4001         * value-prof.c: Include coverage.h.
4002
4003 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
4004             Diego Novillo <dnovillo@redhat.com>
4005
4006         Fix PR tree-optimization/20703
4007         Fix PR tree-optimization/20725
4008
4009         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
4010         (create_expression_by_pieces): Ditto.
4011         (valid_in_set): Ditto. Also handle tcc_declaration.
4012         (find_or_generate_expression): Handle comparison class.
4013         (insert_into_preds_of_block): Ditto.
4014         (insert_aux): Ditto.
4015         (create_value_expr_from): Handle comparison class, recursively
4016         handle reference nodes.
4017         (compute_avail): Handle comparison classes, rewrite a little cleaner.
4018         (execute_pre): Fix spacing.
4019         (do_fre): Renamed to execute_fre.
4020
4021 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4022
4023         * doc/invoke.texi (SPARC options): Document that
4024         -mlittle-endian is not supported on Linux either.
4025
4026 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4027
4028         PR target/4198
4029         PR target/12027
4030         * config.gcc (Obsolete configurations): Remove
4031         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
4032         (sparclite-*-coff*): Delete.
4033         (sparclite-*-elf*): Likewise.
4034         (sparc86x-*-elf*): Likewise.
4035         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
4036         * config/sparc/lite.h: Delete.
4037         * config/sparc/litecoff.h: Likewise.
4038         * config/sparc/liteelf.h: Likewise.
4039         * config/sparc/sp86x-elf.h: Likewise.
4040         * config/sparc/t-sparclite: Likewise.
4041         * config/sparc/t-sp86x: Likewise.
4042
4043 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
4044
4045         * config/s390/s390-protos.h: (s390_comparison,
4046         s390_alc_comparison, s390_slb_comparison, const0_operand,
4047         consttable_operand, larl_operand, s_operand,
4048         shift_count_operand, bras_sym_operand, load_multiple_operation,
4049         store_multiple_operation, s390_plus_operand): Remove prototypes.
4050         (s390_legitimate_address_without_index_p): New prototype.
4051         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
4052         to s390.h.
4053         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
4054         const0_operand, consttable_operand, larl_operand, s_operand,
4055         shift_count_operand, bras_sym_operand, load_multiple_operation,
4056         store_multiple_operation, s390_plus_operand): Move to
4057         predicates.md.
4058         (check_mode): Remove.
4059         (s390_branch_condition_mask): Remove 'static'. Move prototype to
4060         s390-protos.h.
4061         (s390_legitimate_address_without_index_p): New.
4062         * config/s390/s390.h (PREDICATE_CODES): Remove.
4063         * config/s390/s390.md: Include predicates.md.
4064         * config/s390/predicates.md: New.
4065
4066 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067
4068         PR target/20446
4069         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
4070         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
4071         (NEED_INDICATE_EXEC_STACK): Define to 1.
4072         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
4073         (NEED_INDICATE_EXEC_STACK): Define to 1.
4074         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
4075         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
4076         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
4077         (pic_helper_emitted_p): New global.
4078         (emit_pic_helper): New function extracted from...
4079         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
4080         Do not call emit_pic_helper if delay_pic_helper is true.
4081         (sparc_expand_prologue): Pass 'false' to load_pic_register.
4082         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
4083         (sparc_file_end): New function.
4084
4085 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4086
4087         * config/mcore/mcore-protos.h: Remove the prototypes for
4088         mcore_arith_reg_operand, mcore_general_movsrc_operand,
4089         mcore_general_movdst_operand, mcore_reload_operand,
4090         mcore_arith_J_operand, mcore_arith_K_operand,
4091         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
4092         mcore_arith_K_S_operand, mcore_arith_imm_operand,
4093         mcore_arith_any_imm_operand, mcore_arith_O_operand,
4094         mcore_literal_K_operand, mcore_addsub_operand,
4095         mcore_compare_operand, mcore_load_multiple_operation,
4096         mcore_store_multiple_operation, mcore_call_address_operand.
4097         Add a prototype for const_ok_for_mcore.
4098         * config/mcore/mcore.c (mcore_call_address_operand,
4099         mcore_general_movsrc_operand, mcore_general_movdst_operand,
4100         mcore_arith_reg_operand, mcore_reload_operand,
4101         mcore_arith_J_operand, mcore_arith_K_operand,
4102         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
4103         mcore_arith_M_operand, mcore_arith_imm_operand,
4104         mcore_arith_any_imm_operand, mcore_arith_O_operand,
4105         mcore_literal_K_operand, mcore_addsub_operand,
4106         mcore_compare_operand, mcore_load_multiple_operation,
4107         mcore_store_multiple_operation): Move to predicates.md.
4108         (const_ok_for_mcore): Export.
4109         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
4110         * config/mcore/mcore.md: Include predicates.md.
4111         * config/mcore/predicates.md: New.
4112
4113         * config/mcore/predicates.md: Fix a comment typo.
4114
4115 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
4116             Adrian Straetling  <straetling@de.ibm.com>
4117
4118         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
4119         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
4120         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
4121         attribute.
4122         ("imul"): Removed from "type" attribute.
4123         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
4124         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
4125         Changed type to imulsi.
4126         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
4127
4128 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4129
4130         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
4131         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
4132         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
4133         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
4134         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
4135         (TARGET_SWITCHES, mcore_stack_increment_string)
4136         (TARGET_OPTIONS): Delete.
4137         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
4138         than *_BIT constants.
4139         (TARGET_8ALIGN): #undef old definition before redefining to 1.
4140         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
4141         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
4142         (mcore_override_options): Delete mcore_stack_increment code.
4143         Change use of M340_BIT to MASK_M340.
4144         * config/mcore/mcore.opt: New file.
4145
4146 2005-04-04  Ian Lance Taylor  <ian@airs.com>
4147
4148         * config/arm/arm.c (replace_symbols_in_block): Remove static
4149         function.
4150
4151 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
4152
4153         * config/fr30/fr30-protos.h: Remove the prototypes for
4154         stack_add_operand, add_immediate_operand,
4155         high_register_operand, low_register_operand, call_operand,
4156         di_operand, and nonimmediate_di_operand.
4157         * config/fr30/fr30.c (stack_add_operand,
4158         add_immediate_operand, high_register_operand,
4159         low_register_operand, call_operand, di_operand,
4160         nonimmediate_di_operand): Move to predicates.md.
4161         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
4162         * config/fr30/fr30.md: Include predicates.md.
4163         * config/fr30/predicates.md: New.
4164
4165         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
4166         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
4167         mcore_call_address_operand.
4168
4169         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
4170         general_movsrc_operand.
4171
4172 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
4173
4174         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
4175         after freeing.
4176
4177 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
4178
4179         PR target/14812
4180         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
4181         a negated value.
4182
4183 2005-04-04  Richard Henderson  <rth@redhat.com>
4184             Jakub Jelinek  <jakub@redhat.com>
4185
4186         PR rtl-optimization/16104
4187         * fold-const.c (fold_unary): Fix folding of vector conversions.
4188
4189 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4190
4191         * config.gcc (xstormy16-*-elf): Set extra_options.
4192         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
4193         * config/stormy16/stormy16.opt: New file.
4194
4195 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
4196
4197         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
4198         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
4199         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
4200         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
4201         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
4202         (TARGET_UNIX_ASM): Delete.
4203         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
4204         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
4205         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
4206         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4207         * config/pdp11/pdp11.opt: New file.
4208
4209 2005-04-03  Roger Sayle  <roger@eyesopen.com>
4210             Alexandre Oliva  <aoliva@redhat.com>
4211
4212         PR c++/19199
4213         * fold-const.c (non_lvalue): Split tests into...
4214         (maybe_lvalue_p): New function.
4215         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
4216         C++ front-end prior to lowering into gimple form.
4217
4218 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4219
4220         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
4221         BUILT_IN_STRNCASECMP): New.
4222         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
4223         and strndup.
4224
4225 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
4226
4227         PR target/14812
4228         * arm.md (addsi3_compare0_for_combiner): Delete.
4229         (addsi3_compare0_scratch_for_combiner): Delete.
4230         (cmpsi_neg_shiftsi): Delete.
4231         (compare_negsi_si): New pattern.
4232         (cmpsi_negshiftsi_si): New pattern.
4233         (negated_cbranchsi4): Restrict to equality_operator.
4234
4235         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
4236         template.
4237
4238 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
4239
4240         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
4241         Fix comment typos.
4242
4243         * doc/install.texi: Fix a typo.
4244
4245 2005-04-03  Steven Bosscher  <stevenb@suse.de>
4246
4247         PR middle-end/20648
4248         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
4249         a computed goto if the edge to the computed goto block has
4250         incoming abnormal edges.  Clarify how the function works.
4251
4252 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
4253
4254         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
4255         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
4256         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
4257         hash_scan_set, reg_set_between_after_reload_p,
4258         reg_used_between_after_reload_p, get_avail_load_store_reg,
4259         eliminate_partially_redundant_load): Likewise.
4260         * postreload.c (reload_cse_simplify_set,
4261         reload_combine_note_use): Likewise.
4262         * predict.c (predict_insn, expected_value_to_br_prob,
4263         propagate_freq, expensive_function_p): Likewise.
4264         * print-rtl.c (print_rtx): Likewise.
4265         * profile.c (instrument_edges, instrument_values,
4266         compute_branch_probabilities, branch_prob, union_groups,
4267         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
4268         * protoize.c (in_system_include_dir, file_could_be_converted,
4269         file_normally_convertible, gen_aux_info_file, seek_to_line,
4270         do_cleaning): Likewise.
4271         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
4272         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
4273         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
4274
4275 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4276
4277         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
4278         * modulo-sched.c (undo_replace_buff_elem): New structure.
4279         (kernel_number_of_cycles, ps_unschedule_node,
4280         undo_generate_reg_moves,free_undo_replace_buff,
4281         undo_permute_partial_schedule,  loop_single_full_bb_p,
4282         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
4283         build_loops_structure, get_sched_window): New.
4284         (generate_reg_moves): Return undo_replace_buff_elem and other
4285         fixes.
4286         (generate_prolog_epilog): Remove old loop versioning.
4287         (sms_schedule): Use loop information and loop_version.
4288         (sms_schedule_by_order): Split part of it to get_sched_window.
4289         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
4290         cfg_layout_finalize and free_dominance_info before/after SMS.
4291
4292 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
4293
4294         * cfghooks.c (lv_flush_pending_stmts,
4295         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
4296         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
4297         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
4298         lv_add_condition_to_bb,
4299         lv_adjust_loop_header_phi, extract_cond_bb_edges,
4300         flush_pending_stmts): New in cfg_hooks structure.
4301         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
4302         extract_cond_bb_edges, lv_adjust_loop_header_phi,
4303         lv_add_condition_to_bb): New declarations.
4304         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
4305         bool.
4306         (loop_version): Declare.
4307         * cfgloopmanip.c (cfghooks.h): Include.
4308         (duplicate_loop_to_header_edge): Change return type to bool.
4309         (loop_version, lv_adjust_loop_entry_edge): Move here.
4310         * cfgrtl.c (cfgloop.h): Include.
4311         (rtl_verify_flow_info_1): Fix.
4312         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
4313         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
4314         initialization.
4315         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
4316         tree_lv_add_condition_to_bb): New.
4317         (tree_cfg_hooks): Add new hooks to initialization.
4318         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
4319         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
4320
4321 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
4322
4323         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
4324         xstormy16_below100_or_register,
4325         xstormy16_splittable_below100_or_register, and
4326         nonimmediate_nonstack_operand.
4327
4328         * config/stormy16/stormy16-protos.h: Remove the prototypes for
4329         xstormy16_ineqsi_operator, equality_operator,
4330         inequality_operator, shift_operator,
4331         xstormy16_below100_operand, xstormy16_below100_or_register,
4332         xstormy16_splittable_below100_or_register,
4333         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
4334         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
4335         equality_operator, inequality_operator,
4336         xstormy16_below100_operand, xstormy16_below100_or_register,
4337         xstormy16_splittable_below100_or_register,
4338         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
4339         nonimmediate_nonstack_operand, shift_operator): Move to
4340         predicates.md.
4341         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
4342         * config/stormy16/stormy16.md: Include predicates.md.
4343         * config/stormy16/predicates.md: New.
4344
4345 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4346
4347         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
4348         small_int, large_int, reg_or_0_operand, simple_memory_operand,
4349         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
4350         move_operand, power_of_2_operand): Move to predicates.md.
4351         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
4352         PREDICATE_CODE): Remove.
4353         * config/iq2000/iq2000.md: Include predicates.md.
4354         * config/iq2000/predicates.md: New.
4355
4356 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
4357
4358         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
4359         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
4360         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
4361         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
4362         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
4363         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
4364         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
4365         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4366         (TARGET_M68HC11): Delete.
4367         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
4368         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
4369         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
4370         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
4371         (nb_soft_regs): Delete.
4372         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
4373         (m68hc11_override_options): Remove the code that caters for MASK_M6811
4374         and MASK_M6812 being set simultaneously.  Change the code that sets
4375         the default m68hc11_soft_reg_count to use integers instead of strings.
4376         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
4377         m68hc11_soft_reg_count (which now has an int type) as the number
4378         of soft registers.
4379         * config/m68hc11/m68hc11.opt: New file.
4380
4381 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
4382
4383         * config/fr30/fr30.h (PREDICATE_CODES): Remove
4384         fp_displacement_operand, sp_displacement_operand.
4385
4386         * config/m68hc11/m68hc11-protos.h: Add a prototype for
4387         m68hcc_auto_inc_p.
4388         Remove the prototypes for tst_operand, cmp_operand,
4389         stack_register_operand, d_register_operand,
4390         hard_addr_reg_operand, splitable_operand,
4391         m68hc11_logical_operator, m68hc11_arith_operator,
4392         m68hc11_non_shift_operator, m68hc11_shift_operator,
4393         m68hc11_unary_operator, m68hc11_eq_compare_operator,
4394         non_push_operand, hard_reg_operand, and
4395         reg_or_some_mem_operand.
4396         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
4397         extern.
4398         (tst_operand, cmp_operand, non_push_operand,
4399         splitable_operand, reg_or_some_mem_operand,
4400         stack_register_operand, d_register_operand,
4401         hard_addr_reg_operand, hard_reg_operand,
4402         m68hc11_eq_compare_operator, m68hc11_logical_operator,
4403         m68hc11_arith_operator, m68hc11_non_shift_operator,
4404         m68hc11_shift_operator, m68hc11_unary_operator): Move to
4405         predicates.md.
4406         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
4407         * config/m68hc11/m68hc11.md: Include predicates.md.
4408         * config/m68hc11/predicates.md: New.
4409
4410 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4411
4412         PR debug/19345
4413         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
4414         change checked in along with 2005-03-03's patch for debug/20253.
4415         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
4416         (remap_decl): Insert type decl in map earlier.
4417
4418 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         PR tree-optimization/20640
4421         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
4422         post-dominator if it has phi nodes.
4423         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
4424         before dead statements.
4425
4426 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4427
4428         PR middle-end/20491
4429         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
4430
4431 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
4432
4433         PR rtl-optimization/20290
4434         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
4435         in every iteration if the entry point is the exit test.
4436
4437 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
4438
4439         * config/cris/cris.md (attribute "length"): Define.
4440
4441 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
4442
4443         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
4444         (word_offset_memref_operand): New.
4445         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
4446         (indexed_or_indirect_operand): Delete.
4447         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
4448         (indexed_or_indirect_operand): Delete.
4449
4450         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
4451
4452         PR 20650
4453         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
4454         a register.
4455
4456         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
4457         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
4458
4459 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4460
4461         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
4462
4463 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4464
4465         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
4466         (rus, prus): Remove static variables.
4467         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
4468         (process_command): Permit report_times and use_pipes together.
4469
4470 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4471
4472         * c-decl.c (validate_proto_after_old_defn): Look at
4473         TYPE_MAIN_VARIANT of argument types.
4474
4475 2005-04-01  Paul Brook  <paul@codesourcery.com>
4476
4477         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
4478         (arm_output_function_epilogue): Allow call_via_SP.
4479         (thumb_call_via_reg, arm_file_end): Ditto.
4480         * config/arm/arm.h (struct machine_function): Include space for SP.
4481         (thumb_call_via_label): Update declaration.
4482
4483 2005-04-01  Ian Lance Taylor  <ian@airs.com>
4484
4485         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
4486         doing a peephole optimization, once again put any notes in the
4487         proper position.
4488
4489 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4490
4491         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
4492
4493 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4494
4495         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
4496         (block_alloc, find_free_reg): Likewise.
4497         * loop-doloop.c (doloop_modify): Likewise.
4498         * loop-invariant.c (record_use): Likewise.
4499         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
4500         get_iv_value, canon_condition, eliminate_implied_condition,
4501         eliminate_implied_condition, simplify_using_initial_values,
4502         shorten_into_mode, canonicalize_iv_subregs,
4503         iv_number_of_iterations): Likewise.
4504         * loop-unroll.c (expand_var_during_unrolling): Likewise.
4505         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
4506         unswitch_loop): Likewise.
4507         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
4508         move_movables, replace_call_address, find_and_verify_loops,
4509         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
4510         record_giv, final_giv_value, general_induction_var,
4511         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
4512         loop_giv_dump): Likewise.
4513
4514         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
4515         GCOV_CHECK_WRITING): Remove.
4516         (gcov_position, gcov_rewrite): Use gcc_assert.
4517         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
4518         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
4519         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
4520         gcc_assert.
4521
4522 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4523
4524         * tree-inline.c: Fix a typo.
4525
4526 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
4527
4528         * configure.ac (enable-checking): Explicitly set all variables for
4529         collective switch values.  Alphabetize variables. Rename
4530         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
4531         synonym for 'no'.
4532         * doc/install.texi (enable-checking): Update documentation.
4533         * configure: Rebuilt.
4534
4535 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4536
4537         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
4538         possible.
4539
4540 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4541
4542         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
4543         Also reject cases where this pattern will cause load delay stalls
4544         unless optimizing for size and it will produce a shorter sequence.
4545         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
4546         variants to avoid pre-adjusting the base when possible.
4547
4548 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
4549
4550         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
4551         the frame and argument pointers.
4552         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
4553         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
4554         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
4555         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
4556         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
4557         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
4558
4559 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
4560
4561         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
4562         with entry for selectany attribute.
4563         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
4564         Declare.
4565         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
4566         (i386_pe_asm_named_section): Handle sections generated by
4567         selectany attribute.
4568         * doc/extend.texi (selectany): Document attribute.
4569
4570 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
4571             Jan Hubicka  <jh@suse.cz>
4572
4573         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
4574         to fix addresses involving EBP and ESP.
4575         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
4576         for SUBREGed registers.
4577         (legitimate_address_p): Accept SUBREGed registers.
4578
4579 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
4580
4581         PR c++/19406
4582         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
4583         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
4584         for FIELD_DECLs.
4585
4586 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4587
4588         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
4589
4590 2005-04-01  James E Wilson  <wilson@specifixinc.com>
4591
4592         PR c++/20505
4593         * dwarf2out.c (rtl_for_decl_init): New function.
4594         (rtl_for_decl_location): Extracted from here.
4595         (tree_add_const_value_attribute): Call rtl_for_decl_init and
4596         add_const_value_attribute.  Delete initializer_constant_valid_p call.
4597
4598 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
4599
4600         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
4601         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
4602         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
4603         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
4604         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
4605         config/i386/i386.md, config/rs6000/predicates.md,
4606         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
4607         config/s390/s390.c, config/stormy16/stormy16.c,
4608         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
4609         typos.
4610
4611 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
4612
4613         PR c/17855
4614         * gimplify.c (gimplify_expr): Create a temporary for lvalue
4615         COND_EXPR and CALL_EXPR.
4616
4617 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
4618
4619         PR target/20632
4620         * genautomata.c (first_cycle_unit_presence): Check all alternative
4621         states for unit presence.
4622
4623         * doc/md.texi: Remove remark about impossibility to query unit
4624         presence in non nondeterministic automaton state.
4625
4626         * config/ia64/ia64.c (get_template): Change order of unit querying.
4627
4628 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4629
4630         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
4631         obsolete comment.
4632
4633 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
4634
4635         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
4636         flag for edges outside any loops.
4637
4638 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
4639
4640         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
4641
4642 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4643
4644         * tree-ssa-alias.c: Follow spelling conventions.
4645         * doc/tree-ssa.texi: Fix a typo.
4646
4647 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
4648
4649         * postreload-gcse.c: Include target.h.
4650         (gcse_after_reload_main): Return early if we cannot modify jumps.
4651         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
4652
4653 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
4654
4655         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
4656         expensive operations.
4657
4658 2005-03-31  Ian Lance Taylor  <ian@airs.com>
4659
4660         * collect2.c (lderrout): New variable.
4661         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
4662         if it is set, to stderr.
4663         (handler): Unlink lderrout if it is set.
4664         (dump_file): Add "to" parameter.  Change all callers.
4665         (main): Initialize lderrout.
4666         (collect_execute): Add errname parameter.  Change all callers.
4667         Rename redir parameter to outname.  Never pass
4668         PEX_STDERR_TO_STDOUT to pex_run.
4669         * collect2.h (collect_execute, dump_file): Update declarations.
4670         * tlink.c (tlink_execute): Add errname parameter.  Change all
4671         callers.
4672         (do_tlink): Check lderrout as well as ldout.
4673
4674 2005-03-31  Caroline Tice  <ctice@apple.com>
4675
4676         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
4677         (bb-reorder.o): Add errors.h to list of requirements.
4678         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
4679         profiledbootstrap flags.
4680         * bb-reorder.c (errors.h): Add new include.
4681         (struct bbro_basic_block_data_def): Add new field, in_trace.
4682         (add_unlikely_executed_notes):  Remove function.
4683         (mark_bb_for_unlikely_executed_section): Remove function.
4684         (insert_section_boundary_note): New function.
4685         (verify_hot_cold_block_grouping): New function.
4686         (push_to_next_round_p): Remove variables and tests that push all
4687         cold blocks to last round.
4688         (find_traces): Remove code that added extra round of trace finding
4689         when doing partitioning.
4690         (find_traces_1_round) :  Remove variable last_round;  add code to
4691         update new struct field, in_trace; correct trace_length where it was
4692         incorrect before (after call to copy_bb); change code that pushed all
4693         cold blocks to last round. Instead verify that all blocks going into
4694         a trace belong in the same partition.
4695         (connect_traces): Modify to connect the traces in two passes, if the
4696         function contains both hot and cold blocks.  The first pass connects
4697         all the traces for blocks in the partition that the first block in
4698         the function belongs to; the second pass connnects all the traces
4699         containing blocks that belong in the other partition.
4700         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
4701         code that automatically put the first block in a function into the
4702         hot partition if the function had any hot blocks.
4703         (fix_crossing_unconditional_branches): Check number of succ edges
4704         before attempting to get one.
4705         (fix_edges_for_rarely_executed_code):  Update comment describing
4706         function.
4707         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
4708         remove call to add_unlikely_executed_notes; add call to
4709         verify_hot_cold_block_grouping.
4710         (duplicate_computed_gotos): Don't change computed goto if it's a
4711         crossing edge.
4712         (partition_hot_cold_basic_blocks):  Update function comment.
4713         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
4714         condition.
4715         (try_forward_edges): Likewise.
4716         (merge_blocks_move_predecessor_nojumps): Likewise.
4717         (merge_blocks_move_successor_nojumps): Likewise.
4718         (merge_blocks_move): Likewise.
4719         (try_crossjump_bb): Likewise.
4720         * cfglayout.c (update_unlikely_executed_notes): Remove function.
4721         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
4722         notes to cold bb's; remove call to update_unlikely_executed_notes.
4723         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4724         NOTE_INSN_SWITCH_TEXT_SECTIONS.
4725         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
4726         function declaration.
4727         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
4728         from consideration.
4729         (rtl_can_merge_blocks): Remove redundancy from condition.
4730         (try_redirect_by_replacing_jump): Likewise.
4731         (force_nonfallthru_and_redirect): Remove code for adding
4732         UNLIKELY_EXECUTED_CODE notes to cold bb's.
4733         (commit_one_edge_insertion): Likewise.
4734         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
4735         * dbxout.c (FORCE_TEXT): Replace function_section with
4736         current_function_section.
4737         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
4738         function, switch_text_section.
4739         (struct xcoff_debug): Likewise.
4740         (dbxout_function_end): Add code to put out label diffs for both
4741         hot and cold sections.
4742         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
4743         for new debug_hooks funciton, switch_text_section..
4744         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
4745         switch_text_section.
4746         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
4747         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
4748         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
4749         dw_fde_switched_sections.
4750         (output_call_frame_info):  Add test to see if function switches text
4751         sections in the middle; if so, use appropriate extra hot and cold
4752         section labels to compute size deltas for the hot and cold sections.
4753         (dwarf2out_begin_prologue): Add code to initialize new fields in
4754         dw_fde_struct.
4755         (dwarf2out_switch_text_section): New function (invoked through
4756         debug_hook); updates new fields in dw_fde_struct appropriately and
4757         increments separate_line_info_table_in_use.
4758         (dwarf2_debug_hooks): Initialize switch_text_section function to be
4759         dwarf2out_switch_text_section.
4760         (struct var_loc_node): Add new field, section_label.
4761         (output_aranges): Add code to check whether in hot or cold section and
4762         use the appropriate label in calculating deltas.
4763         (output_ranges): Likewise.
4764         (output_line_info): Add code to check which section we're in and
4765         use appropriate hot/cold label.
4766         (add_location_or_constant_value_attribute): Likewise.
4767         (gen_subprogam_die): Modify arange attributes to use correct labels.
4768         (dwarf2out_begin_block): Change call to function_section into call to
4769         current_function_section.
4770         (dwarf2out_end_block): Likewise.
4771         (dwarf2out_source_line): Likewise.
4772         (dwarf2out_var_location): Add code to check whether in hot or cold
4773         section and use the appropriate label.
4774         * except.c (output_function_exception_table): Change call to
4775         function_section into call to current_function_section.
4776         * final.c (profile_function): Likewise.
4777         (scan_ahead_for_unlikely_executed_note): Remove function.
4778         (final_scan_insn):  Remove calls to
4779         scan_ahead_for_unlikely_executed_note, and related code for switching
4780         to cold section, except for the single time
4781         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
4782         debug_hooks->switch_text_sections; replace appropriate calls to
4783         function_section with calls to current_function_section.
4784         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
4785         test_bb to condition.
4786         (find_if_case_2): Likewise.
4787         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
4788         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
4789         * opts.c (decode_options): Change warning about hot/cold partitioning
4790         with exceptionss to inform (so as not to cause bootstrap failures);
4791         remove warning about partitioning with DWARF debug info.
4792         * output.h (current_function_section): Add new function decl.
4793         (insert_section_boundary_note): Likewise.
4794         (enum in_section): Move this declaration here from varasm.c.
4795         (unlikely_section_label): Likewise.
4796         (unlikely_text_section_name): Likewise.
4797         (last_text_section_name): New global variable.
4798         (last_text_section): Likewise.
4799         (hot_section_label): Likewise.
4800         (hot_section_end_label): Likewise.
4801         (cold_section_end_label): Likewise.
4802         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
4803         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
4804         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
4805         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
4806         insn from consideration.
4807         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
4808         switch_text_section.
4809         * varasm.c (basic-block.h): Add new include.
4810         (unlikely_section_label_printed): Remove global variable.
4811         (unlikely_section_label): Make global variable not be static any more.
4812         (unlikely_text_section_name): Likewise.
4813         (hot_section_end_label): New global variable (not static)
4814         (first_function_block_is_cold): Likewise.
4815         (hot_section_label): Likewise.
4816         (cold_section_end_label): Likewise..
4817         (last_text_section): New global variable, not static.
4818         (last_text_section_name): New global variable, not static.
4819         (initialize_cold_section_name): New function.
4820         (enum in_section): Move declaration to output.h.
4821         (text_section): Update last_text_section.
4822         (unlikely_text_section): Replace code to determine cold section name
4823         with call to initialize_cold_section_name; Add code to update
4824         last_text_section; remove code for printing out label.
4825         (named_section_real): Add code to update last_text_section and
4826         last_text_section_name as appropriate.
4827         (function_section): Change test for 'unlikely' to depend on
4828         first_function_block_is_cold (moved old test to
4829         current_function_section).
4830         (current_function_section): New function.
4831         (assemble_start_function): Move code that frees
4832         unlikely_text_section_name; initialize hot_section_end_label;
4833         print hot and cold section labels at the start of the function;
4834         set first_function_block_is_cold, if appropriate; initialize l
4835         ast_text_section; add call to insert_section_boundary_note.
4836         (assemble_end_function):  Add code to write out hot and cold section
4837         end labels.
4838         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
4839         switch_text_section.
4840         * config/darwin.c (machopic_select_section): Replace incorrect
4841         function in base_funs; update reloc for cold sections if necessary.
4842         * config/darwin.h (SECTION_FUNCTION):  Add code to update
4843         last_text_section if appropriate.
4844         (text_unlikely_section): Remove.
4845         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
4846         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
4847         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
4848         partitioning for this architecture.
4849
4850 2005-03-31  Olivier Hainque  <hainque@adacore.com>
4851
4852         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
4853         defined and non-zero.
4854
4855 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4856
4857         PR c++/18644
4858         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
4859         semantics.
4860
4861 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4862
4863         PR target/20611
4864         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
4865         label operand.  Remove (use (unspec..)).  Don't emit a label on
4866         the offset word.
4867         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
4868         generate inline label for load_toc_v4_PIC_1b.
4869         (rs6000_emit_load_toc_table): Likewise.
4870
4871 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
4872
4873         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
4874         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
4875
4876 2005-03-29  Devang Patel  <dpatel@apple.com>
4877
4878         * tree-sra.c (decide_block_copy): Disable scalarization of
4879         sub-elements.
4880
4881 2005-03-30  Stuart Hastings  <stuart@apple.com>
4882             Dale Johannesen  <dalej@apple.com>
4883
4884         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
4885         * print-tree.c (print_node):  Add case STATEMENT_LIST.
4886
4887 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
4888
4889         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
4890         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
4891         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
4892         is given with "powerpc64*" or "all", or when --with-cpu chooses
4893         a 64-bit cpu.
4894
4895 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
4896
4897         PR debug/20268
4898         * dwarf2out.c (add_high_low_attributes): New function, extracted from
4899         gen_lexical_block_die.
4900         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
4901
4902 2005-03-31  Jan Hubicka  <jh@suse.cz>
4903
4904         2004-11-02  Jan Hubicka  <jh@suse.cz>
4905
4906         * cgraph.c (cgraph_varpool_node_name): New function.
4907         (dump_cgraph_varpool_node): New function.
4908         (dump_varpool): New function.
4909         * cgraphunit.c (cgraph_optimize): Dump varpool.
4910
4911         2004-10-16  Jan Hubicka  <jh@suse.cz>
4912
4913         * cgraph.c (decide_is_variable_needed): New function.
4914         (cgraph_varpool_finalize_decl): Use it.
4915         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
4916         unit-at-a-time.
4917         * final.c (output_addr_const): Do not call mark_referenced.
4918         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
4919         always go via cgraph.
4920         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
4921         (check_global_declarations): Ifdef out code clearing DECL_RTL.
4922         * tree-optimize.c (execute_inline): Mark functions called.
4923         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
4924
4925         2004-10-11  Jan Hubicka  <jh@suse.cz>
4926
4927         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
4928         (cgraph_varpool_last_needed_node): New static variable.
4929         (enqueue_needed_varpool_node): Break out from ...; add items to the
4930         end of queue; update first pointers.
4931         (cgraph_varpool_mark_needed_node): ... here.
4932         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
4933         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
4934         * cgraph.h (cgraph_varpool_node): Add analyzed field.
4935         (cgraph_varpool_first_unanalyzed_node): Declare.
4936         * cgraphunit.c: Include output.h.
4937         (cgraph_varpool_analyze_pending_decls): New function.
4938         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
4939         for errors, analyze pending decls.
4940         (cgraph_finalize_compilation_unit): Only analyze decls.
4941         (cgraph_optimize): Assemble the decls after expanding.
4942
4943 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
4944
4945         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
4946         subvars get marked properly in tags for grouping.
4947         (add_pointed_to_var): Mark only actual pointed to
4948         variables/subvars in addresses needed.
4949         (create_overlap_variables_for): Clear call clobbered on original
4950         variable.
4951         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
4952         addresable vars with subvars into list.
4953         * tree-ssa.c (verify_ssa_name): Verify original is not used where
4954         subvar should be.
4955
4956 2005-03-30  Richard Henderson  <rth@redhat.com>
4957
4958         * cgraph.h (struct cgraph_node): Add alias.
4959         * varasm.c (assemble_alias): Set it.
4960         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
4961         avoid calling cgraph_expand_function.
4962
4963 2005-03-30  Tom Tromey  <tromey@redhat.com>
4964
4965         * tree.def (FILE_TYPE): Removed.
4966         * typeclass.h (enum type_class): Removed file_type_class.
4967         * dwarf2out.c (is_base_type): Updated.
4968         (gen_type_die): Likewise.
4969         * dbxout.c (dbxout_type): Updated.
4970         * builtins.c (type_to_class): Updated.
4971         * tree.c (type_contains_placeholder_1): Updated.
4972         * config/sparc/sparc.c (sparc_type_code): Updated.
4973         * config/ia64/ia64.c (hfa_element_mode): Updated.
4974         * expr.c (count_type_elements): Updated.
4975         * stor-layout.c (layout_type): Updated.
4976         * tree-inline.c (remap_type): Updated.
4977         * tree-pretty-print.c (dump_generic_node): Updated.
4978
4979 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
4980
4981         * builtins.c (expand_builtin_powi): Fix mode of
4982         2nd argument to match int.
4983         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
4984         2nd argument type to int.
4985         * libgcc2.c: Change prototype of __powi* functions to use
4986         int.
4987
4988 2005-03-30  Dale Johannesen  <dalej@apple.com>
4989
4990         PR middle-end/19225
4991         * calls.c (expand_call):  Flush pending deferrals before
4992         throwing call.
4993
4994 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
4995
4996         PR c/772
4997         PR c/17913
4998         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
4999         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
5000         c_label_context, label_context_stack): New.
5001         * c-decl.c (define_label): Check for jumps into statement
5002         expressions.  Add label to list of defined labels.
5003         (start_function): Push context on label_context_stack.
5004         (finish_function): Pop context from label_context_stack.
5005         * c-typeck.c (label_context_stack): New.
5006         (c_finish_goto_label): Check for jumps into statement
5007         expressions.  Add label to list of jumped to labels.
5008         (struct c_switch): Add blocked_stmt_expr.
5009         (c_start_case): Initialize it.
5010         (do_case): Check it.
5011         (c_finish_case): Verify !blocked_stmt_expr.
5012         (c_begin_stmt_expr):  Push context on label_context_stack.
5013         Increment blocked_stmt_expr.  Mark labels jumped to from outside
5014         as undefinable.
5015         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
5016         defined in the statement expression and no longer jumpable to.
5017         Mark labels jumped to from just outside the statement expression
5018         as again definable.  Pop context from label_context_stack.
5019         * doc/extend.texi (Statement Exprs): Update.
5020
5021 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
5022
5023         PR c/20368
5024         * c-decl.c (start_function): Check for old_decl being
5025         error_mark_node.
5026
5027 2005-03-30  Ian Lance Taylor  <ian@airs.com>
5028
5029         * final.c (final): Remove prescan parameter.  Change all callers.
5030         (final_scan_insn): Remove prescan parameter.  Change all callers.
5031
5032 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
5033
5034         * tree-vectorizer.c: Fix comment typos.
5035
5036 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
5037
5038         * tree-scalar-evolution.c (instantiate_parameters_1): Return
5039         as soon as a chrec_dont_know is detected.
5040
5041 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
5042
5043         Merge from csl-arm-branch.
5044         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
5045
5046         * tlink.c (recompile_files): Do not assume that "rename" can
5047         overwrite an existing file.
5048
5049 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
5050
5051         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
5052         * gcc/configure: Regenerate.
5053
5054 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
5055
5056         * doc/install.texi: Update binutils requirement for powerpc*-linux.
5057
5058         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
5059
5060         * calls.c (struct arg_data): Update "partial" comment.
5061         (load_register_parameters): Update "nregs" comment.
5062
5063 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5064
5065         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
5066         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
5067         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
5068         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
5069         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
5070         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
5071         than target_flags & 0.
5072         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
5073         (iq2000_arch, iq2000_parse_cpu): Delete.
5074         (TARGET_HANDLE_OPTION): Override default.
5075         (iq2000_handle_option): New function.
5076         (override_options): Remove -march= and -mcpu= handling.
5077         * config/iq2000/iq2000.opt: New file.
5078
5079 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5080
5081         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
5082         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
5083         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
5084         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
5085         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
5086         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
5087         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
5088         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
5089         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
5090         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
5091         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
5092         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
5093         (c4x_rpts_cycles_string, c4x_cpu_version_string)
5094         (TARGET_OPTIONS): Delete.
5095         (c4x_rpts_cycles, c4x_cpu_version): Declare.
5096         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
5097         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
5098         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
5099         (c4x_cpu_version_string): Delete.
5100         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5101         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
5102         equivalent -mcpu= option.
5103         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
5104         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
5105         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
5106         or clearing the appropriate MASK_* bit.
5107         (c4x_file_start): Use c4x_cpu_version.
5108         * config/c4x/c4x.opt: New file.
5109
5110 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5111
5112         * doc/options.texi: Document the new MaskExists flag.
5113         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
5114         if the option has the MaskExists flag.
5115
5116 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
5117
5118         * opt-functions.awk (flag_set_p, test_flag): New functions.
5119         (switch_flags): Use them.
5120         * opth-gen.awk: Use flag_set_p to check for flags.
5121         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
5122
5123 2005-03-30  Ian Lance Taylor  <ian@airs.com>
5124
5125         * config.host (i[34567]86-*-mingw32*): Don't set
5126         host_can_use_collect2 to no.
5127
5128 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
5129
5130         PR target/20203
5131         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
5132         Remove convert_memory_address call duplicating that in memory_address.
5133
5134 2005-03-29  Richard Henderson  <rth@redhat.com>
5135
5136         PR c/20519
5137         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
5138         (build_compound_literal): Likewise.  Propagate decl type into the
5139         initializer.
5140         (finish_decl): Likewise.  Use new return value from complete_array_type
5141         for zero sized arrays.
5142         (complete_array_type): Move ...
5143         * c-common.c (complete_array_type): ... here.  Change first argument
5144         to pointer-to-type-node.  Consistently use sizetype for the index
5145         except for zero sized arrays.  Detect zero sized arrays for pedantic
5146         mode diagnostics.  Create a new type node instead of modifying the
5147         old node in place.
5148         * c-tree.h (complete_array_type): Move decl ...
5149         * c-common.h (complete_array_type): ... here.
5150
5151 2005-03-29  Richard Henderson  <rth@redhat.com>
5152
5153         PR tree-opt/19108
5154         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
5155
5156 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
5157
5158         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
5159         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
5160         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
5161         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
5162
5163 2005-03-29  Eric Christopher  <echristo@redhat.com>
5164
5165         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
5166         truthvalue conversion removal.
5167
5168 2005-03-29  Ian Lance Taylor  <ian@airs.com>
5169
5170         PR bootstrap/14316
5171         * collect2.c: Never include <vfork.h>.
5172         (VFORK_STRING, vfork): Don't define.
5173         (pid): Remove global variable.
5174         (handler): Call raise instead of kill (getpid(), ...).
5175         (collect_wait): Add pex parameter.  Change all callers.  Use
5176         pex_get_status rather than pwait.
5177         (do_wait): Add pex parameter.  Change all callers.
5178         (collect_execute): Return struct pex_obj * rather than void.  Use
5179         pex routines rather than pexecute.
5180         (fork_execute): Get pex_obj from collect_execute, and pass it to
5181         do_wait.
5182         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
5183         Only declare quit_handler if SIGQUIT is defined.
5184         (scan_libraries): Likewise.
5185         * collect2.h (collect_execute): Update declaration.
5186         (collect_wait): Update declaration.
5187         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
5188         pass it to collect_wait.
5189
5190 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
5191
5192         PR c/20672
5193         * c-parser.c (c_parser_compound_statement_nostart): Give error
5194         message for EOF instead of just setting parser->error.
5195
5196 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
5197
5198         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
5199         (slpeel_update_phi_nodes_for_guard1): New function.
5200         (slpeel_update_phi_nodes_for_guard2): New function.
5201         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
5202         of slpeel_update_phi_nodes_for_guard.
5203         (vectorize_loops): Remove call to loop_closed_rewrite.
5204         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
5205         assertion.
5206
5207 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
5208
5209         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
5210         (TARGET_LITTLE_ENDIAN): New macro.
5211         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
5212         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
5213         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
5214         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
5215         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
5216         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
5217         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
5218         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
5219         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
5220         (TARGET_OPTIONS): Delete.
5221         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
5222         (CACHE_FLUSH_TRAP): Turn into an integer.
5223         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
5224         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
5225         -mflush-trap is in use.
5226         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
5227         (m32r_cache_flush_trap_string): Delete.
5228         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
5229         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
5230         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
5231         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5232         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
5233         -mmodel= and -msdata= handling from...
5234         (m32r_init): ...here.
5235         * config/m32r/m32r.opt: New file.
5236
5237 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
5238
5239         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
5240         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
5241         * tree-vect-analyze.c (vect_object_analysis): additional parm
5242         pass back a "struct ptr_info_def *" with the points-to info.
5243         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
5244         statement using info returned from vect_object_analysis.
5245         * tree-vect-transform.c (update_vuses_to_preheader): New function.
5246         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
5247         for virtual uses and defs when creating a replacement vector
5248         reference.  Call duplicate_ssa_name_ptr_info to define points-to
5249         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
5250         (vectorizable_store): copy_virtual_operands and update
5251         definition statements.
5252         (vectorizable_load): copy_virtual_operands.  Remove call to
5253         mark_call_clobbered_vars_to_rename for call to "const" builtin.
5254         * tree-vectorizer.c (vectorize_loops): Remove calls to
5255         rewrite_into_ssa and bitmap_clear (vars_to_rename).
5256         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
5257         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
5258         define macro STMT_VINFO_PTR_INFO for use in accessing.
5259         * tree.h add export of duplicate_ssa_name_ptr_info.
5260         * rs6000.c (altivec_init_builtins): Declare builtin function
5261         __builtin_altivec_mask_for_load to be "const".
5262
5263 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
5264
5265         PR middle-end/20622
5266         * cgraph.h (struct cgraph_varpool_node): Add alias field.
5267         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
5268         assemble_variable on aliases.
5269         * varasm.c (assemble_alias): Set node->alias.
5270         * toplev.c (wrapup_global_declarations): Don't call
5271         rest_of_decl_compilation on aliases again.
5272
5273 2005-03-29  Paul Brook  <paul@codesourcery.com>
5274
5275         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
5276         * config/arm/arm.c (arm_dbx_register_number): New function.
5277         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
5278
5279 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
5280
5281         PR middle-end/20263
5282         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
5283         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
5284
5285 2005-03-29  Dale Johannesen <dalej@apple.com>
5286
5287         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
5288         $(TREE_H) and $(COVERAGE_H).
5289         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
5290         * opts.c (common_handle_option): Enable tree-based value transforms.
5291         * toplev.c (process_options): Ditto.
5292         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
5293         refers to references to this type.
5294         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
5295         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
5296         for may_be_more, may_be_less.
5297         (rtl_gen_pow2_profiler): Adjust.
5298         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
5299         (rtl_gen_one_value_profiler): Adjust.
5300         (rtl_gen_const_delta_profiler): Adjust.
5301         * tree-profile.c (tree_gen_interval_profiler): Implement.
5302         (tree_gen_pow2_profiler): Ditto.
5303         (tree_gen_one_value_profiler): Ditto.
5304         (tree_profiling): New.
5305         (pass_tree_profile): Reference it.
5306         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
5307         tree.h, gcov-io.h.
5308         (insn_divmod_values_to_profile): Rename to
5309         rtl_divmod_values_to_profile. Adjust.
5310         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
5311         (insn_prefetch_values_to_profile): Adjust.
5312         (rtl_value_profile_transformations): Adjust.
5313         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
5314         (gen_mod_pow2): Rename to rtl_mod_pow2.
5315         (gen_mod_subtract): Rename to rtl_mod_subtract.
5316         (divmod_fixed_value_transform): Rename to
5317         rtl_divmod_fixed_value_transform.
5318         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
5319         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
5320         (rtl_find_values_to_profile): Adjust.
5321         (tree_value_profile_transformations): Implement.
5322         (tree_divmod_values_to_profile): New.
5323         (tree_values_to_profile): New.
5324         (tree_divmod_fixed_value): New.
5325         (tree_mod_pow2): New.
5326         (tree_mod_subtract): New.
5327         (tree_divmod_fixed_value_transform): New.
5328         (tree_mod_pow2_value_transform): New.
5329         (tree_mod_subtract_transform): New.
5330         (tree_find_values_to_profile): Implement.
5331         * profile.c (instrument_values):  Free histograms.
5332         (compute_value_histograms): Adjust. Implement tree version.
5333
5334 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
5335
5336         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
5337         * config/i386/i386.c (output_fix_trunc): Add new round_mode
5338         variable.  Output "fldcw" depending on round_mode.
5339         * config/i386/i386.md (UNSPEC_FIST): New.
5340         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
5341         New isns patterns to implement lrint and llrint built-ins as x87
5342         intrinsic function.
5343         (fistdi2, fist<mode>2 splitters): New splitters.
5344         (lrint<mode>2): New expanders.
5345
5346 2005-03-28  Ian Lance Taylor  <ian@airs.com>
5347
5348         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
5349         0 when calling final_scan_insn.
5350
5351 2005-03-28  Jan Hubicka  <jh@suse.cz>
5352
5353         PR middle-end/20635
5354         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
5355         as needed.
5356
5357         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
5358         types where possible.
5359
5360 2005-03-26  Per Bothner  <per@bothner.com>
5361
5362         Make -f[no-]show-column also control non-cpp diagnostics.
5363         * c.opt (fshow-column): Move option from here ...
5364         * common.opt (fshow-column): ... to here.
5365         * diagnostic.c (diagnostic_build_prefix): Only print column number
5366         if flag_show_column.
5367
5368 2005-03-27  Steven Bosscher  <stevenb@suse.de>
5369
5370         * vax-protos.h (vax_output_int_move, vax_output_int_add,
5371         vax_output_conditional_branch): New prototypes.
5372         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
5373         extracted from vax.md mov and add patterns.
5374         (vax_output_conditional_branch): New function to output conditional
5375         branch instructions.
5376         * vax.md: Use mode macros for arithmetic and mov patterns.
5377         Use code macros for the jump patterns.
5378
5379 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5380
5381         * Makefile.in (libbackend.o): Depend on version files;
5382         add custom generation command.
5383
5384 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
5385
5386         PR target/20636
5387         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
5388         sure that we have a REG before getting its REGNO.
5389
5390 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5391
5392         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
5393         * builtins.def (BUILT_IN_STRNDUP): New.
5394
5395 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
5396
5397         PR tree-optimization/20470
5398         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
5399         ABS(x-y).
5400
5401 2005-03-25  Mike Stump  <mrs@apple.com>
5402
5403         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
5404         sized objects.
5405
5406 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
5407
5408         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
5409         Use our own structure definitions.
5410
5411         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
5412         (fix_truncdfsi2): Allow registers or memory as destination.
5413         When TARGET_PPC_GFXOPT, generate simplified pattern.
5414         (fix_truncdfsi2_internal): Use define_insn_and_split.
5415         (fix_truncdfsi2_internal_gfxopt): New.
5416         (fctiwz): Don't confuse register allocation by giving it no choices.
5417         (stfiwx): New.
5418         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
5419         (EXTRA_MEMORY_CONSTRAINT): Likewise.
5420         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
5421         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
5422
5423 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5424
5425         * dominance.c (free_dominance_info): Speed up by freeing et
5426         data structures without maintaining other nodes.
5427         * et-forest.c (et_free_tree_force): New.
5428         * et-forest.h: Add a prototype for et_free_tree_force.
5429
5430         * tree.c (get_set_constructor_bits,
5431         get_set_constructor_bytes): Remove.
5432         * tree.h: Remove the corresponding prototypes.
5433
5434 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5435
5436         PR target/15491
5437         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
5438         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
5439         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
5440         PRE_DEC, NEG and NOT.
5441
5442 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
5443
5444         * fold-const.c: Convert uses of fold (build (...)) to
5445         fold_buildN.
5446
5447 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
5448
5449         PR rtl-optimization/20249
5450         * cse.c (insert_regs): Do not record equivalence of registers in
5451         different modes.
5452
5453 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
5454
5455         * emit-rtl.c (reverse_comparison): Remove.
5456         * rtl.h: Remove the corresponding prototype.
5457
5458 2005-03-24  James E Wilson  <wilson@specifixinc.com>
5459
5460         * doc/install.texi (--enable-altivec): Delete docs.
5461
5462 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
5463
5464         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
5465         SFmode and DFmode before reload when
5466         flag_unsafe_math_optimizations not enabled.
5467
5468 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
5469
5470         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
5471
5472         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
5473         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
5474
5475 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5476
5477         * configure.ac (enable-checking): Add 'runtime' option.
5478         * doc/install.texi (enable-checking): Document 'runtime' checking.
5479         * tsystem.h (gcc_assert, gcc_unreachable): Define.
5480         * config.in: Regenerated.
5481         * configure: Regenerated.
5482
5483 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
5484
5485         * optabs.h (enum optab_index): Remove OTI_llrint.
5486         (llrint_optab): Remove macro.
5487         * optabs.c (init_optabs): Remove llrint_optab initialization.
5488         * genopinit.c (optabs): Remove llrint_optab implementation.
5489         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
5490         using lrint_optab.
5491
5492 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
5493
5494         PR rtl-optimization/20532
5495         * simplify-rtx.c (simplify_binary_operation_1): Protect from
5496         overflow when adding coefficients for PLUS or MINUS.
5497         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
5498         two as multiplier.
5499
5500 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5501
5502         * langhooks.h (truthvalue_conversion): Remove.
5503         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5504         LANG_HOOKS_TRUTHVALUE_CONVERSION.
5505         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
5506         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
5507         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
5508
5509 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
5510
5511         * params.def: Fix a typo.
5512         * config/mips/mips.c: Follow the spelling convensions.
5513         * doc/invoke.texi: Fix typos.
5514
5515 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
5516
5517         Fix PR tree-optimization/20601
5518
5519         * tree-ssa-pre.c (insert_aux): Add missing condition to
5520         constification.
5521
5522 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5523
5524         * final.c (final_scan_insn): Don't remove no-op instructions.
5525         * reload1.c (reload): Remove simple no-op instructions even when
5526         not optimizing.
5527
5528 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
5529
5530         PR tree-optimization/20501
5531         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
5532         reporting that peeling for alignment is applied moved to...
5533         * (vect_analyze_data_refs_alignment): Here.
5534
5535 2005-03-23  Ian Lance Taylor  <ian@airs.com>
5536
5537         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
5538
5539 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
5540
5541         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
5542         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
5543
5544 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
5545
5546         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
5547         imply that this is called once, independent of asms in code.
5548         Adjust to now being pased output and input lists.  Mention helper
5549         function decl_overlaps_hard_reg_set_p.
5550         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
5551         hook_tree_tree_identity and to take three trees, returning third.
5552         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
5553         prototype.
5554         * stmt.c: include hard-reg-set.h before tree.h.
5555         (decl_overlaps_hard_reg_set_p): New function, broken out from...
5556         (decl_conflicts_with_clobbers_p): Call
5557         decl_overlaps_hard_reg_set_p.
5558         (expand_asm_operands): Pass output and input lists in call to
5559         targetm.md_asm_clobbers.
5560         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
5561         hook_tree_tree_tree_tree_3rd_identity.
5562         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
5563         parameters.
5564         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
5565         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
5566         parameters, first two unused.
5567         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
5568         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
5569         in constraint letters and MOF is not mentioned as a asm-declared
5570         register in neither of the input and output lists.
5571
5572 2005-03-23  DJ Delorie  <dj@redhat.com>
5573
5574         * optabs.c (expand_binop): Make sure the first subword's result
5575         gets stored.
5576
5577 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5578
5579         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
5580         Call c_common_truthvalue_conversion rather than
5581         lang_hooks.truthvalue_conversion.
5582         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
5583         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
5584         c-typeck.c.
5585         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
5586         c_common_truthvalue_conversion.
5587         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
5588         c_parser_conditional_expression, c_parser_binary_expression): Call
5589         c_objc_common_truthvalue_conversion.
5590         * c-typeck.c (build_unary_op): Call
5591         c_objc_common_truthvalue_conversion.
5592         (build_conditional_expr): Do not call
5593         lang_hooks.truthvalue_conversion.
5594         (build_binary_op): Call c_common_truthvalue_conversion.
5595         (c_objc_common_truthvalue_conversion): Moved from
5596         c-objc-common.c.  Call default_function_array_conversion instead
5597         of default_conversion.
5598
5599 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
5600
5601         * c-common.h (default_conversion): Remove.
5602         (perform_integral_promotions): Add.
5603         * c-tree.h (default_conversion): Add.
5604         * c-typeck.c (perform_integral_promotions): New, split out from
5605         default_conversion.
5606         * c-common.c (check_case_value): Use perform_integral_promotions,
5607         not default_conversion.
5608         (c_add_case_label): Don't continue processing case label after
5609         found to be pointer.
5610
5611 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
5612
5613         * gcc.c (do_spec_1): Do not add a -L path for a directory in
5614         the prefix list if we have already added a multilib directory
5615         based on that path.
5616         (main): Do not add MD_EXEC_PREFIX to the list of directories to
5617         search with -L.
5618
5619 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5620
5621         * reload1.c (indirect_symref_ok, reload_obstack): Make them
5622         static.
5623         * reload.h: Remove the prototype for indirect_symref_ok.
5624
5625         * reload1.c (indirect_symref_ok): Make it global.
5626         * reload.h: Add a prototype for indirect_symref_ok.
5627
5628 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
5629
5630         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
5631         ashlhi3 expander.
5632
5633 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
5634
5635         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
5636
5637 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
5638
5639         * c-opts.c (c_common_parse_file): Only start/end main source file
5640         if debug hooks says the writer wants it.
5641         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
5642         member.
5643         (xcoff_debug_hooks): Ditto.
5644         * debug.c (do_nothing_hooks): Ditto.
5645         * debug.h (gcc_debug_hooks): Ditto.
5646         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
5647         * sdbout.c (sdb_debug_hooks): Ditto.
5648         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
5649
5650 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
5651
5652         * doc/extend.texi: Deprecate C++ min/max operators.
5653
5654 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
5655
5656         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
5657         artificial original candidates.
5658
5659 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
5660             Jan Hubicka  <jh@suse.cz>
5661             Steven Bosscher <stevenb@suse.de>
5662
5663         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
5664         call cost based on argument sizes.
5665         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
5666         inlining.
5667         * params.def: (max-inline-inssn-single): Set to 450.
5668         (max-inline-insns-auto): Set to 90.
5669         (max-inline-insns-recursive): Set to 450
5670         (max-inline-insns-recursive-auto): Set to 450.
5671         (large-function-insns): Set to 2700.
5672         (inline-call-cost): New parameter.
5673         * tree-inline.c (estimate_move_cost): New function.
5674         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
5675         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
5676         based on arguments.
5677         * tree-inline.h (estimate_move_cost): Declare.
5678         * invoke.texi: (max-inline-inssn-single): Change default to 450.
5679         (max-inline-insns-auto): Change default to 90.
5680         (max-inline-insns-recursive): Change default to 450
5681         (max-inline-insns-recursive-auto): Change default to 450.
5682         (large-function-insns): Change default to 2700.
5683         (inline-call-cost): Document new parameter.
5684
5685 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5686
5687         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
5688         (TARGET_DEFAULT): Delete.
5689         * config/i860/i860.opt: New file.
5690
5691 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
5692
5693         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
5694         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5695         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5696         (frv_sched_lookahead): Delete.
5697         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
5698         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
5699         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
5700         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
5701         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
5702         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
5703         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
5704         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
5705         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
5706         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
5707         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
5708         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
5709         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
5710         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
5711         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
5712         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
5713         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
5714         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
5715         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
5716         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
5717         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
5718         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
5719         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
5720         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
5721         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
5722         (frv_sched_lookahead): Delete.
5723         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
5724         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5725         (frv_handle_option): New function.  Move -mcpu= handling from...
5726         (frv_override_options): ...here.  Remove handling of other
5727         TARGET_OPTIONS.
5728         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
5729         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
5730         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
5731         and TARGET_NO_MULTI_CE.
5732         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
5733         !TARGET_VLIW_BRANCH.
5734         * config/frv/frv.opt: New file.
5735
5736 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5737
5738         * fold-const.c (fold_ternary): Take decomposed arguments of
5739         CALL_EXPR.
5740         (fold): Update a call to fold_ternary.
5741
5742         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
5743         * tree.h: Add corresponding prototypes.
5744
5745 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
5746
5747         PR target/20561
5748         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
5749         between jump table and its label.
5750         * final.c (shorten_branches): Handle notes in between ADDR_VEC
5751         resp. ADDR_DIFF_VEC and the label preceeding it.
5752         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
5753         is emitted in the right section.
5754
5755 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
5756
5757         * fold-const.c (fold_unary, fold_binary): Update comments
5758         about arguments.
5759
5760 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
5761
5762         PR rtl-optimization/20527
5763         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
5764         REG_INC note, test that the register also isn't mentioned in PRED
5765         or SUCC.
5766
5767 2005-03-22  Ben Elliston  <bje@au.ibm.com>
5768
5769         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
5770         and definition.
5771
5772 2005-03-21  Mike Stump  <mrs@apple.com>
5773
5774         * varasm.c (default_assemble_visibility): Remove extra ().
5775
5776 2005-03-21  Roger Sayle  <roger@eyesopen.com>
5777
5778         PR middle-end/20557
5779         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
5780         to determine whether a block can be duplicated, rather than test
5781         whether the block contains noncopyable insns ourselves.
5782
5783 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5784
5785         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
5786         predicates.
5787
5788 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5789
5790         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
5791
5792 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5793
5794         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
5795         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
5796         * config/fr30/fr30.opt: New file.
5797
5798 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
5799
5800         Fix PR tree-optimization/20542
5801
5802         * tree-flow-inline.h (overlap_subvar): Move to here.
5803         * tree-ssa-operands.c: From here.
5804         * tree-flow.h (overlap_subvar): Declare.
5805         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
5806         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
5807         for variables with subvars.
5808
5809 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
5810
5811         PR middle-end/20177
5812         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
5813         * modulo-sched.c (const_iteration_count): Return on NULL
5814         pre-header.
5815         (print_node_sched_params): Return on NULL dump_file.
5816         (generate_reg_moves): Handle reg-anti dependencies and disregard
5817         closing branch when generating register moves.
5818         (sms_schedule): Mark the SMSed block dirty.
5819         * passes.c (rest_of_handle_sms): Call update_life_info for all
5820         basic-blocks.
5821         * testsuite/gcc.dg/20050321-1.c: New test.
5822
5823 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5824
5825         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
5826         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
5827         movqi_internal): Likewise.
5828
5829 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
5830
5831         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
5832         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5833         xtensa_b4const): Delete prototypes.
5834         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
5835         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
5836         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
5837         xtensa_extra_constraint): New prototypes.
5838         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5839         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5840         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5841         move_operand, const_float_1_operand, fpmem_offset_operand,
5842         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
5843         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
5844         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
5845         argument type to HOST_WIDE_INT.
5846         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
5847         xtensa_mask_immediate): Likewise.
5848         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
5849         Likewise.  Also make these functions static.
5850         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
5851         (xtensa_const_ok_for_letter_p): New.
5852         (add_operand, arith_operand, nonimmed_operand, mem_operand,
5853         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
5854         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
5855         move_operand, const_float_1_operand, fpmem_offset_operand,
5856         branch_operator, ubranch_operator, boolean_operator): Move to
5857         predicates.md.
5858         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
5859         (xtensa_mem_offset): Change return type to bool.
5860         (xtensa_extra_constraint): New.
5861         (gen_int_relational): Update type of const_range_p function pointer.
5862         Use xtensa_b4const_or_zero.
5863         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
5864         xtensa_const_ok_for_letter_p.  Update comments.
5865         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
5866         (PREDICATE_CODES): Delete.
5867         * config/xtensa/xtensa.md: Include predicates.md.
5868         * config/xtensa/predicates.md: New file.
5869
5870 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5871
5872         * config/v850/v850-protos.h: Remove the prototypes for
5873         reg_or_int9_operand, reg_or_const_operand,
5874         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
5875         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
5876         movsi_source_operand, power_of_two_operand,
5877         not_power_of_two_operand, special_symbolref_operand,
5878         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
5879         register_is_ok_for_epilogue.
5880         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
5881         reg_or_int9_operand, reg_or_const_operand,
5882         call_address_operand, special_symbolref_operand,
5883         movsi_source_operand, power_of_two_operand,
5884         not_power_of_two_operand, register_is_ok_for_epilogue,
5885         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
5886         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
5887         predicates.md.
5888         * config/v850/v850.h (PREDICATE_CODES): Remove.
5889         * config/v850/v850.md: Include predicates.md.
5890         * config/v850/predicates.md: New.
5891
5892 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
5893
5894         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
5895         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
5896         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
5897         (itoolsdir, itoolsdatadir): Move definition above new first use.
5898         (install-itoolsdirs): New rule.
5899         (install-mkheaders): Depend on install-itoolsdirs, not
5900         install-include-dir.
5901
5902 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5903
5904         * tree-into-ssa.c: Remove obsolete comments.
5905
5906 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
5907
5908         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
5909         unrolling if -fpeel-loops is specified, too.
5910         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5911         Remove superfluous check for flag_unroll_loops.
5912
5913 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
5914
5915         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
5916         (lrint_optab, llrint_optab): Define corresponding macros.
5917         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
5918         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
5919         pattern and llrint_optab using llrintdi2 patterns.
5920         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
5921         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
5922         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
5923         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
5924         flag_unsafe_math_optimizations is set.
5925
5926 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5927
5928         * combine.c (combine_simplify_rtx, simplify_if_then_else,
5929         simplify_logical, if_then_else_cond, known_cond,
5930         simplify_comparison): Adjust calls to reverse_comparison.
5931         Don't use combine_reversed_comparison_code).
5932         (combine_reversed_comparison_code): Remove.
5933         (reversed_comparison): Using reversed_comparison_code, move it...
5934         * jump.c (reversed_comparison): ... here.
5935         * rtl.h (reversed_comparison): Add prototype.
5936
5937 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5938
5939         * builtins.c (fold_builtin): Take decomposed arguments of
5940         CALL_EXPR.
5941         * fold-const.c (fold_ternary): Update a call to fold_builtin.
5942         * gimplify.c (gimplify_call_expr): Likewise.
5943         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
5944         * tree.h: Update the prototype of fold_builtin.
5945
5946 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
5947
5948         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
5949         * rtlhooks.c (gen_lowpart_no_emit_general): New.
5950         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
5951         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
5952         * simplify-rtx.c (simplify_binary_operation_1): Use it.
5953
5954 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
5955
5956         * builtins.c (fold_builtin_1): Take decomposed arguments of
5957         CALL_EXPR.
5958         (fold_builtin): Update a call to fold_builtin_1.
5959
5960 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
5961
5962         PR other/20564
5963         * gcov.c (output_lines): Only output function block summary when
5964         outputting branch information.
5965         * doc/gcov.texi: Document format of preamble and additional block
5966         information lines.
5967
5968 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
5969
5970         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
5971         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5972         the defaults false if BITS_PER_UNIT != 8.
5973         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
5974         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
5975         than BITS_PER_UNIT != 8.
5976         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
5977         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
5978         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
5979         #undefs.
5980         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
5981         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
5982
5983 2005-03-20  Roger Sayle  <roger@eyesopen.com>
5984
5985         PR middle-end/20539
5986         * fold-const.c (fold_binary): Fix type mismatch between
5987         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
5988         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
5989         for non-truth-valued expressions.
5990
5991         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
5992         and FUNCTION_DECL in the main switch.
5993         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5994         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
5995         we also need to convert their operands to match.
5996         <TRUTH_NOT_EXPR>: Likewise.
5997
5998 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
5999
6000         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
6001         diagnostic without checking whether an lvalue.
6002         * c-common.h (lvalue_p): Remove.
6003         (enum lvalue_use): Update comment.
6004         (lvalue_or_else): Replace by lvalue_error.
6005         * c-typeck.c (lvalue_p): Make static.
6006         (lvalue_or_else): New.  Call lvalue_error.
6007
6008 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
6009
6010         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
6011         (function_arg_advance): Use rs6000_parm_start.
6012         (function_arg, rs6000_arg_partial_bytes): Likewise.
6013
6014 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6015
6016         * c-common.c (check_case_value): Adjust comment about stripping
6017         NOPs.
6018         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
6019         * c-typeck.c (default_conversion, convert_arguments,
6020         build_modify_expr, convert_for_assignment, store_init_value,
6021         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
6022         manually.  Remove inaccurate comments.
6023
6024 2005-03-20  Roger Sayle  <roger@eyesopen.com>
6025             Joseph S. Myers  <joseph@codesourcery.com>
6026
6027         * varasm.c (do_assemble_alias): Restore comment describing function.
6028         Annotate the target parameter as potentially unused.
6029
6030 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6031
6032         PR target/18551
6033         * config/avr/avr.c (avr_output_function_prologue): Do not use
6034         current_function_name() in a label, use a local label instead.
6035
6036 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
6037
6038         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
6039         flag_finite_math_only, not flag_unsafe_math_optimizations.
6040
6041 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
6042
6043         * builtins.c (fold_builtin_1): Update a call to
6044         targetm.fold_builtin.
6045         * hooks.c (hook_tree_tree_bool_null): Rename to
6046         hook_tree_tree_tree_bool_null.  Take one more argument of type
6047         tree.
6048         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
6049         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
6050         hook_tree_tree_tree_bool_null.
6051         * target.h (gcc_target): Update the prototype of fold_builtin.
6052         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
6053         arguments of CALL_EXPR.
6054         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
6055         new prototype.
6056
6057 2005-03-20  Jan Hubicka  <jh@suse.cz>
6058
6059         * cgraph.h (cgraph_node): Add prev_clone pointer.
6060         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
6061         (cgraph_clone_node): Produce doubly linked chain.
6062
6063 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6064
6065         * c-common.c (handle_aligned_attribute, check_function_sentinel,
6066         get_nonnull_operand, handle_sentinel_attribute,
6067         check_function_arguments_recurse): Do not strip NOPS from
6068         INTEGER_CSTs.
6069         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
6070         Likewise.
6071         * c-format.c (get_constant): Likewise.
6072         * c-parser.c (c_parser_postfix_expression): Likewise.
6073         * c-typeck.c (set_init_index): Likewise.
6074         (convert_arguments): Don't check for NOP_EXPR containing integer
6075         constant.
6076
6077 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
6078
6079         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
6080         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
6081         Take decomposed arguments of CALL_EXPR.
6082         (fold_builtin_1): Update calls to the functions mentioned
6083         above.
6084
6085 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
6086
6087         * c-decl.c (check_bitfield_type_and_width): Require bit-field
6088         width to have integer type.
6089         (build_enumerator): Require enumerator value to have integer type.
6090
6091 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6092
6093         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
6094         to __builtin_inff.
6095
6096 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6097
6098         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
6099         std=iso9899:199x): Correct descriptions.
6100
6101 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
6102
6103         * config.gcc: Consistently use solaris2.1[0-9]* instead of
6104         solaris2.1[0-9].
6105
6106 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
6107
6108         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
6109         of CALL_EXPR.
6110         (expand_builtin_memcpy, fold_builtin_1): Update calls to
6111         fold_builtin_memcpy.
6112
6113         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
6114         arguments of CALL_EXPR.
6115         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
6116         fold_builtin_found, fold_builtin_1): Update calls to
6117         fold_trunc_transparent_mathfn.
6118
6119 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6120
6121         PR middle-end/20493
6122         * fold-const.c (fold_widened_comparison): Don't optimize casts of
6123         function pointers on targets that require function pointer
6124         canonicalization.
6125         (fold_sign_changed_comparison): Likewise.
6126
6127 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
6128
6129         * combine.c (try_combine): When changing the mode of a hard reg, make
6130         sure that doing so is valid.
6131
6132 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
6133
6134         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
6135         (TARGET_HANDLE_OPTION): Override default.
6136         (avr_handle_option): New function.
6137         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
6138         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
6139         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
6140         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
6141         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
6142         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
6143         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
6144         (TARGET_OPTIONS): Delete.
6145         * config/avr/avr.opt: New file.
6146
6147 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6148
6149         * config/m32r/m32r-protos.h: Remove the prototypes for
6150         call_address_operand, symbolic_operand, seth_add3_operand,
6151         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6152         reg_or_uint16_operand, reg_or_cmp_int16_operand,
6153         two_insn_const_operand, move_src_operand,
6154         move_double_src_operand, move_dest_operand,
6155         eqne_comparison_operator, signed_comparison_operator,
6156         large_insn_p, conditional_move_operand, carry_compare_operand,
6157         m32r_block_immediate_operand, extend_operand,
6158         reg_or_eq_int16_operand, int8_operand, and
6159         reg_or_zero_operand.
6160         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6161         seth_add3_operand, int8_operand, cmp_int16_operand,
6162         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6163         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6164         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6165         move_double_src_operand, move_dest_operand,
6166         eqne_comparison_operator, signed_comparison_operator,
6167         extend_operand, small_insn_p, large_insn_p,
6168         conditional_move_operand, carry_compare_operand,
6169         m32r_block_immediate_operand): Move to predicates.md.
6170         (MAX_MOVE_BYTES): Move to m32r.h.
6171         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6172         * config/m32r/m32r.md: Include predicates.md.
6173         * config/m32r/predicates.md: New.
6174
6175 2005-03-18  James E Wilson  <wilson@specifixinc.com>
6176
6177         PR c++/19769
6178         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
6179         origin.
6180
6181 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6182
6183         * config/mn10300/mn10300-protos.h: Remove the prototypes for
6184         call_address_operand, const_8bit_operand.
6185         * config/mn10300/mn10300.c (call_address_operand,
6186         const_8bit_operand, const_1f_operand): Move to predicates.md.
6187         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
6188         * config/mn10300/mn10300.md: Include predicates.md.
6189         * config/mn10300/predicates.md: New.
6190
6191 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
6192
6193         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
6194         declarations in diagnostics and %E for identifiers, not %s.
6195
6196 2005-03-18  Jan Hubicka  <jh@suse.cz>
6197             Dale Johannesen  <dalej@apple.com>
6198
6199         * basic-block.h (scale_bbs_frequencies_int,
6200         scale_bbs_frequencies_gcov_type): Declare.
6201         * cfg.c (RDIV): New macro.
6202         (update_bb_frequency_for_threading): Fix.
6203         * basic-block.h (scale_bbs_frequencies_int,
6204         scale_bbs_frequencies_gcov_type): New.
6205         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
6206         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
6207         scale_bbs_frequencies_int.
6208         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
6209
6210 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6211
6212         * config/m32r/m32r-protos.h: Remove the prototypes for
6213         call_address_operand, symbolic_operand, seth_add3_operand,
6214         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
6215         reg_or_uint16_operand, reg_or_cmp_int16_operand,
6216         two_insn_const_operand, move_src_operand,
6217         move_double_src_operand, move_dest_operand,
6218         eqne_comparison_operator, signed_comparison_operator,
6219         large_insn_p, conditional_move_operand, carry_compare_operand,
6220         m32r_block_immediate_operand, extend_operand,
6221         reg_or_eq_int16_operand, int8_operand, and
6222         reg_or_zero_operand.
6223         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
6224         seth_add3_operand, int8_operand, cmp_int16_operand,
6225         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
6226         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
6227         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
6228         move_double_src_operand, move_dest_operand,
6229         eqne_comparison_operator, signed_comparison_operator,
6230         extend_operand, small_insn_p, large_insn_p,
6231         conditional_move_operand, carry_compare_operand,
6232         m32r_block_immediate_operand): Move to predicates.md.
6233         (MAX_MOVE_BYTES): Move to m32r.h.
6234         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
6235         * config/m32r/m32r.md: Include predicates.md.
6236         * config/m32r/predicates.md: New.
6237
6238         * config/pa/pa-protos.h: Add prototypes for magic_milli and
6239         shadd_constant_p.
6240         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
6241         symbolic_operand, symbolic_memory_operand,
6242         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
6243         indexed_memory_operand, move_dest_operand, move_src_operand,
6244         prefetch_cc_operand, prefetch_nocc_operand,
6245         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
6246         arith_operand, arith11_operand, pre_cint_operand,
6247         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
6248         ireg_operand, int5_operand, uint5_operand, int11_operand,
6249         uint32_operand, arith5_operand, and_operand, ior_operand,
6250         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
6251         pc_or_label_operand, div_operand, plus_xor_ior_operator,
6252         shadd_operand, movb_comparison_operator,
6253         cmpib_comparison_operator): Move to predicates.md.
6254         (magic_milli, shadd_constant_p): Make it extern.
6255         * config/pa/pa.h (PREDICATE_CODES): Remove.
6256         * config/pa/pa.md: Include predicates.md.
6257         * config/pa/predicates.md: New.
6258
6259         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
6260         predicate.
6261
6262 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6263
6264         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
6265         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
6266         config/alpha/freebsd.h, config/alpha/linux.h,
6267         config/alpha/netbsd.h, config/alpha/osf5.h,
6268         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
6269         config/h8300/h8300-protos.h, config/h8300/h8300.c,
6270         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
6271         doc/cppopts.texi: Update copyright.
6272
6273 2005-03-18  Jan Hubicka  <jh@suse.cz>
6274
6275         PR middle-end/20225
6276         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
6277         too late.
6278         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
6279         called too late.
6280
6281 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6282
6283         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
6284         VEC_safe_push.
6285
6286 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
6287
6288         * combine.c (gen_binary): Remove.
6289         (known_cond, simplify_shift_const, find_split_point,
6290         combine_simplify_rtx, simplify_if_then_else, simplify_set,
6291         simplify_logical, expand_field_assignment, extract_left_shift,
6292         force_to_mode, if_then_else_cond, apply_distributive_law,
6293         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
6294         simplify_comparison, reversed_comparison): Replace with
6295         simplify_gen_binary, simplify_gen_relational or
6296         distribute_and_simplify_rtx.
6297         (distribute_and_simplify_rtx): New function.
6298
6299 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
6300             Paolo Bonzini  <gcc.gnu.org>
6301
6302         * calls.c (setjmp_call_p, special_function_p): Update comments
6303         at the head of the functions.
6304
6305 2005-03-18  Jan Hubicka  <jh@suse.cz>
6306
6307         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
6308
6309         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
6310         function body should be released; do not proactively release function
6311         bodies in non-unit-at-a-time mode.
6312
6313 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
6314
6315         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
6316         mno-fp-ret-in-387 multilib variants.
6317
6318 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
6319
6320         * common.opt (m): Remove.
6321         * opts.c (handle_option): Pass 'm' options to set_target_switch if
6322         table lookup fails.
6323         (common_handle_option): Remove OPT_m case.
6324
6325 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
6326
6327         * builtins.c (fold_builtin_bitop): Take decomposed arguments
6328         of CALL_EXPR.
6329         (fold_builtin_1): Update a call to fold_builtin_bitop.
6330
6331         * builtins.c (fold_builtin_signbit): Take decomposed arguments
6332         of CALL_EXPR.
6333         (fold_builtin_1): Update a call to fold_builtin_signbit.
6334
6335 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
6336
6337         PR tree-optimization/20474
6338         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
6339         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
6340
6341 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6342
6343         * config/h8300/h8300-protos.h: Remove prototypes for
6344         general_operand_src, general_operand_dst, single_one_operand,
6345         single_zero_operand, call_insn_operand,
6346         two_insn_adds_subs_operand, small_call_insn_operand,
6347         jump_address_operand, bit_operand, bit_memory_operand,
6348         stack_pointer_operand, const_int_gt_2_operand,
6349         const_int_ge_8_operand, const_int_qi_operand,
6350         const_int_hi_operand, incdec_operand, bit_operator,
6351         nshift_operator, eqne_operator, gtle_operator,
6352         gtuleu_operator, iorxor_operator.
6353         Add prototypes for h8sx_shift_type h8sx_classify_shift and
6354         h8300_ldm_stm_parallel.
6355         * config/h8300/h8300.c (h8sx_shift_type,): Move to
6356         h8300-protos.h.
6357         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
6358         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
6359         (h8300_ldm_stm_parallel): Make it extern.
6360         (h8300_ldm_parallel, h8300_stm_parallel,
6361         h8300_return_parallel, general_operand_src,
6362         general_operand_dst, h8300_dst_operand, h8300_src_operand,
6363         nibble_operand, reg_or_nibble_operand, single_one_operand,
6364         single_zero_operand, call_insn_operand,
6365         two_insn_adds_subs_operand, small_call_insn_operand,
6366         jump_address_operand, bit_operand, bit_memory_operand,
6367         stack_pointer_operand, const_int_gt_2_operand,
6368         const_int_ge_8_operand, const_int_qi_operand,
6369         const_int_hi_operand, incdec_operand, eqne_operator,
6370         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
6371         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
6372         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
6373         nshift_operator): Move to predicates.md.
6374         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
6375         * config/h8300/h8300.md: Include predicates.md.
6376         * config/h8300/predicates.md: New.
6377
6378 2005-03-17  Richard Henderson  <rth@redhat.com>
6379
6380         * config.gcc (ia64*-*-hpux*): Add extra_options.
6381         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
6382         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6383         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
6384         (ia64_tls_size_string, ia64_tune_string): Remove.
6385         (ia64_tune): Init to PROCESSOR_ITANIUM2.
6386         (TARGET_DEFAULT_TARGET_FLAGS): New.
6387         (TARGET_HANDLE_OPTION): New.
6388         (ia64_override_options): Move options parsing ...
6389         (ia64_handle_option): ... here.  New.
6390         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
6391         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
6392         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
6393         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
6394         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
6395         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
6396         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
6397         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
6398         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
6399         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
6400         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
6401         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
6402         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
6403         TARGET_EARLY_STOP_BITS): Remove.
6404         (TARGET_ILP32): Default false.
6405         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
6406         (enum ia64_inline_type): New.
6407         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
6408         * config/ia64/ia64.md: Update for new definitions of
6409         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
6410         * config/ia64/ia64.opt: New file.
6411         * config/ia64/ilp32.opt: New file.
6412
6413 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
6414
6415         PR target/18380
6416         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
6417
6418 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
6419
6420         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
6421         instead of MASK_H8300S.
6422         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
6423         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
6424         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
6425         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
6426         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
6427         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
6428         TARGET_SWITCHES): Remove.
6429         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
6430         TARGET_H8300SX.
6431         * config/h8300/h8300.opt: New.
6432
6433         * config/alpha/alpha.opt, config/arc/arc.opt,
6434         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
6435         notices.
6436
6437 2005-03-17  Ian Lance Taylor  <ian@airs.com>
6438
6439         * gmon.c: Remove.
6440
6441 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
6442
6443         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
6444         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
6445         (TARGET_HANDLE_OPTION): Override default.
6446         (arc_handle_option): New function.
6447         (arc_init): Remove code to set arch_cpu_string.
6448         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
6449         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
6450         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
6451         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
6452         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
6453         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
6454         (arc_rodata_string, TARGET_OPTIONS): Delete.
6455         * config/arc/arc.opt: New file.
6456
6457 2005-03-17  Richard Henderson  <rth@redhat.com>
6458
6459         * doc/extend.texi (Weak Pragmas): New section.
6460         (attribute alias): Clarify that target must be in the same
6461         translation unit.
6462
6463 2005-03-17  Richard Henderson  <rth@redhat.com>
6464
6465         * config/alpha/alpha.opt: New file.
6466         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
6467         of alpha_cpu.
6468         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
6469         alpha_fprm_string, alpha_fptm_string): Make static.
6470         (alpha_tls_size_string): Remove.
6471         (alpha_handle_option): New.
6472         (override_options): Update for alpha_cpu/alpha_tune split.
6473         (alpha_file_start): Likewise.
6474         (TARGET_DEFAULT_TARGET_FLAGS): New.
6475         (TARGET_HANDLE_OPTION): New.
6476         * config/alpha/alpha.h (alpha_tune): Declare.
6477         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
6478         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
6479         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
6480         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
6481         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
6482         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
6483         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
6484         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
6485         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
6486         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
6487         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
6488         (TARGET_DEFAULT): Remove MASK_FP.
6489         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
6490         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
6491         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
6492         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
6493         alpha_tls_size_string): Remove.
6494         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
6495         (attribute tune): Rename from attribute cpu.
6496         * config/alpha/ev4.md: Update to match.
6497         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
6498         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
6499         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
6500         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
6501         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
6502         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
6503
6504 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
6505
6506         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
6507         and return without creating new state if before_nops_num is nonzero.
6508         * config/ia64/ia64.md (first_insn): New attribute.
6509         (alloc): Set it to yes.
6510
6511 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6512
6513         * tree-vectorizer.c (new_vec_stmt_info): Initialize
6514         STMT_VINFO_SUBVARS to NULL.
6515         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
6516
6517 2005-03-16 Dale Johannesen  <dalej@apple.com>
6518
6519         * rtlanal.c (find_first_parameter_load):  Rewrite to
6520         return actual first param load or the call if none,
6521         instead of first in block, when not all loads exist.
6522
6523 2005-03-16  Roger Sayle  <roger@eyesopen.com>
6524
6525         * optabs.c (expand_copysign_absneg): Make static.
6526         * optabs.h (expand_copysign_absneg): Delete prototype.
6527         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
6528
6529 2005-03-16  Richard Henderson  <rth@redhat.com>
6530
6531         PR middle-end/15700
6532         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
6533         (alias_pairs): Rename from output_defs.
6534         (find_decl_and_mark_needed): Split out from assemble_alias.
6535         (do_assemble_alias): New.
6536         (assemble_output_def): Remove.
6537         (finish_aliases_1, finish_aliases_2): New.
6538         (process_pending_assemble_output_defs): Remove.
6539         (assemble_alias): Defer aliases for which we don't yet have a
6540         non-external decl for the target symbol.
6541         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
6542         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
6543         * toplev.c (compile_file): Use finish_aliases_2 instead of
6544         process_pending_assemble_output_defs.
6545         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
6546         (process_pending_assemble_output_defs): Remove.
6547
6548 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6549
6550         Fix PR tree-optimization/20489
6551
6552         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
6553         for empty structures.
6554
6555 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
6556
6557         Fix PR tree-optimization/20490
6558
6559         * tree-ssa-pre.c (create_expression_by_pieces): Use
6560         force_gimple_operand on result of fold.
6561
6562 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
6563
6564         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
6565         of closing parenthesis.
6566
6567 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
6568
6569         * builtins.c (expand_movstr): Update a call to
6570         fold_builtin_strcpy.
6571         (expand_builtin_strncpy): Update a call to
6572         fold_builtin_strncpy.
6573         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
6574         arguments of CALL_EXPR.
6575         (fold_builtin_1): Update calls to fold_builtin_strcpy and
6576         fold_builtin_strncpy.
6577         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
6578         * tree.h: Update the prototypes of fold_builtin_strcpy and
6579         fold_builtin_strncpy.
6580
6581 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6582             Dorit Naishlos  <dorit@il.ibm.com>
6583
6584         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
6585         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
6586         error.
6587
6588 2005-03-16  Steven Bosscher  <stevenb@suse.de>
6589
6590         * tree-inline.c (walk_type_fields, walk_tree,
6591         walk_tree_without_duplicates): Move from here...
6592         * tree.c: ...to here.
6593
6594 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
6595
6596         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
6597         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
6598         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
6599         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
6600         (version): Define using $(BASEVER_c).
6601         (Makefile, config.status, build/gcov-iov.o): No longer depends on
6602         version.c.
6603         (version.o): Depend on version files; add custom generation command.
6604         (prefix.o): Define BASEVER on command line.
6605         (s-iov): Depend on version files; adjust command.
6606         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
6607         Add gcc-vers.texi.
6608         (gcc-vers.texi): New rule.
6609         (doc/%.info, doc/%.dvi): Add -I . to command line.
6610         (doc/gccinstall.dvi): Likewise.
6611         (PACKAGE): Delete.  All uses replaced with "gcc".
6612         * aclocal.m4: Do not include gcc-version.m4.
6613         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
6614         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
6615         Set is_release based on contents of DEV-PHASE.
6616         Set gcc_version based on contents of BASE-VER.
6617         Define WIN32_REGISTRY_KEY only if the user overrode the default.
6618         * config.in, configure: Regenerate.
6619         * gccbug.in: Determine version of GCC in use at runtime.
6620         * gcov-iov.c: Get version number and development phase from
6621         command line, not by including version.c.
6622         * intl.c: Replace all uses of PACKAGE with "gcc".
6623         * libada-mk.in: Delete unused "gcc_version" variable.
6624         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
6625         * version.c: (VERSUFFIX): New hook for redistributors; adjust
6626         commentary to match.
6627         (version_string): Put together from pieces.
6628         * config/alpha/x-vms: Do not use $(gcc_version).
6629         * config/i386/t-nwld: Likewise.
6630         * doc/include/gcc-common.texi: Include gcc-vers.texi for
6631         version-GCC and DEVELOPMENT.
6632
6633 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6634
6635         PR tree-optimization/17454
6636         * tree.c (tree_size): Add case for TREE_BINFO.
6637         * fold-const.c (fold_checksum_tree): Only clear the overloaded
6638         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
6639
6640 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6641
6642         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
6643         op1 whilst expanding the signed widenening multiply variant.
6644
6645 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
6646
6647         * toplev.c (display_target_options): Avoid unused variable warning if
6648         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
6649         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
6650         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
6651         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
6652         (mips_isa_info): New variable.
6653         (mips_parse_cpu): Remove the first argument and leave the caller
6654         to report errors.
6655         (TARGET_HANDLE_OPTION): Override default.
6656         (mips_handle_option): New function.  Move option validation code from...
6657         (override_options): ...here.  Update calls to mips_parse_cpu.
6658         * config/mips/mips.h (mips_arch_string, mips_tune_string)
6659         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
6660         (SUBTARGET_TARGET_OPTIONS): Delete.
6661         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
6662         (mno-flush-func, mtune=): New options.
6663
6664 2005-03-15  Roger Sayle  <roger@eyesopen.com>
6665             Richard Henderson  <rth@redhat.com>
6666
6667         * real.c (c4x_single_format, c4x_extended_format): Provide values
6668         for signbit_ro for c4x's single and extended floating point formats.
6669         * optabs.c (expand_copysign): Use the floating point format's
6670         signbit_ro for expanding via expand_copysign_absneg, and it's
6671         signbit_rw field for expanding via expand_copysign_bit.
6672
6673 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
6674
6675         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
6676         known_alignment_for_access_p.
6677         (known_alignment_for_access_p): New.
6678         (do_peeling_for_alignment): Field made int instead of bool and renamed
6679         to peeling_for_alignment.
6680         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
6681         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
6682         functionality used to be in vect_analyze_operations.
6683         (vect_analyze_operations): Code to determine vectorization factor was
6684         moved to vect_determine_vectorization_factor.
6685         (vect_enhance_data_refs_alignment): Update to correct alignment when it
6686         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
6687         factor.
6688         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
6689         be part of vect_analyze_operations).
6690         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
6691         creating the guard condition, as the number of iterations may be
6692         constant.
6693         (slpeel_tree_peel_loop_to_edge): Use new name of
6694         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
6695         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
6696         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
6697         (vect_do_peeling_for_alignment): Use fold.
6698         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
6699
6700         (vect_update_inits_of_dr): Renamed to
6701         vect_update_init_of_dr.
6702         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
6703         (vectorizable_store): Fix assertion to use == instead of =.
6704
6705 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
6706
6707         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
6708         call_used_regs for wCG registers.
6709
6710 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
6711
6712         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
6713         for non-offsettable memory references to cope with outstanding reload
6714         replacements, take 2.
6715
6716 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
6717
6718         PR target/18668
6719         * config/i386/i386.h (x86_fisttp): New.
6720         (TARGET_FISTTP): New macro.
6721         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
6722         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
6723         instruction when fisttp flag is set.
6724         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
6725
6726         * config/i386/i386.md (type attribute): Add fisttp.
6727         (unit attribute): Set to i387 for fisttp type.
6728         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
6729         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
6730         TARGET_FISTTP.
6731         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
6732         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
6733         macros.
6734         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
6735         patterns for TARGET_FISTTP.  Enable patterns for
6736         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
6737         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
6738         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
6739         implement fisttp x87 insn.
6740         (fix_trunc*_i387_fisttp splitters): New patterns.
6741         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
6742         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
6743         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
6744         clobber.
6745         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
6746         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
6747         Implement using mode macros. Disable patterns for TARGET_FISTTP.
6748         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
6749         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
6750         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
6751         Disable patterns for TARGET_FISTTP.
6752         (fix_trunc*_i387 splitters): Implement usign mode macros.
6753         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
6754         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
6755         (fix_trunx*_sse peephole2s): Implement using mode macros.
6756
6757 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
6758
6759         PR rtl-optimization/20291
6760         * combine.c (try_combine): If splitting fails, re-try with
6761         original combined pattern, i.e. before clobber stripping.
6762
6763 2005-03-14  Eric Christopher  <echristo@redhat.com>
6764
6765         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
6766         STACK_GROWS_DOWNWARD.
6767
6768 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6769
6770         * real.h (struct real_format): Split the signbit field into two
6771         two fields, signbit_ro and signbit_rw.
6772         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
6773         mips_double_format, ieee_extended_motorola_format,
6774         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
6775         ieee_extended_intel_128_format, ibm_extended_format,
6776         mips_extended_format, ieee_quad_format, mips_quad_format,
6777         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
6778         i370_double_format, c4x_single_format, c4x_extended_format,
6779         real_internal_format): Update initializers for new field.
6780         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
6781         real_format structure.
6782         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
6783         field of the real_format structure.
6784
6785 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
6786
6787         Fix PR tree-optimization/20458
6788
6789         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
6790         DECL_EXTERNAL on STRUCT_FIELD tags.
6791         (clear_call_clobbered): Ditto.
6792         * tree-ssa-operands.c (note_addressable): Make sure the original
6793         variable doesn't slip into the addressable list if we have
6794         subvars.
6795         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
6796         tags too.
6797
6798 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
6799
6800         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
6801         (-fwide-exec-charset): Likewise.
6802         (-finput-charset): Likewise.
6803         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
6804         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
6805         * c.opt (Wnormalized): New.
6806
6807 2005-03-14  Devang Patel  <dpatel@apple.com>
6808
6809         * doc/invoke.texi: Add reference to Visibility document.
6810
6811 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6812
6813         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
6814         MASK_SPLIT_ADDRESSES.
6815         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
6816         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
6817         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
6818         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
6819         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
6820         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
6821         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
6822         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
6823         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
6824         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
6825         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
6826         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
6827         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
6828         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
6829         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
6830         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
6831         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
6832         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
6833         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
6834         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
6835         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
6836         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
6837         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
6838         (TARGET_EXPLICIT_RELOCS): Delete.
6839         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
6840         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
6841         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
6842         (override_options): Set MASK_LONG64 if -mint64 is given and no
6843         -mlongXX option is.  Complain about -mint64 -mlong32.
6844         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
6845         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
6846         * config/mips/mips.opt: New file.
6847
6848 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
6849
6850         * config.gcc (extra_options): New variable for listing option files.
6851         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
6852         * configure.ac (extra_opt_files): New AC_SUBST variable.
6853         (tm_file_list, tm_include_list): Include options.h first.
6854         * configure: Regenerate.
6855         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
6856         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
6857         (s-options-h): New rule.
6858         (options.h): Depend on it.
6859         (TEXI_GCCINT_FILES): Add options.texi.
6860         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
6861         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
6862         * target.h (gcc_target): Add default_target_flags and handle_option.
6863         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
6864         (TARGET_HANDLE_OPTION): New macros.
6865         (TARGET_INITIALIZER): Include them.
6866         * opt-functions.awk (opt_args, nth_arg): New functions.
6867         (switch_flags): Handle the "Target" flag.
6868         (var_args): Delete.
6869         (var_name): Use opt_args and nth_arg.
6870         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
6871         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
6872         macros for the "Mask" and "InverseMask" options.
6873         * opts.h (cl_var_cond): New enum.
6874         (cl_option): Replace the "has_set_value" and "set_value" fields with
6875         "var_cond" and "var_value".
6876         (CL_TARGET): New macro.
6877         (option_enabled, print_filtered_help): Declare.
6878         (decode_options): Move definition.
6879         * opts.c (handle_option): Search for the original option before
6880         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
6881         var_cond and var_value fields.  Use targetm.handle_option to handle
6882         target options.
6883         (decode_options): Set target_flags to targetm.default_target_flags.
6884         (print_filtered_help): Make global.  Handle CL_TARGET.
6885         (option_enabled): New function.
6886         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
6887         (display_target_options, set_target_switch, print_switch_values)
6888         (default_pch_valid_p): Guard uses of target_switches with
6889         #ifdef TARGET_SWITCHES.  Also...
6890         (display_target_options): Display the CL_TARGET entries in cl_options.
6891         (set_target_option): Don't complain about the "" option when
6892         TARGET_SWITCHES is undefined.
6893         (print_switch_values): Use option_enabled.
6894         (default_pch_valid_p): Check cl_options[] when looking for something
6895         that has changed the value of target_flags.
6896         * c.opt: Remove documentation from top of file.
6897         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
6898         * doc/sourecebuild.texi: Refer to the new options documentation
6899         instead of c.opt.  Document machine-specific .opt files.
6900         * doc/tm.texi (target_flags): Say that this variable is declared
6901         by options.h.
6902         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
6903         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
6904         an alternative.
6905         * doc/options.texi: New file.
6906
6907 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6908
6909         PR middle-end/18628
6910         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
6911         register.
6912
6913 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
6914
6915         PR c++/20280
6916         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
6917         temporary variable of pointer type if an lvalues is required.
6918         (gimplify_modify_expr_rhs): Request an rvalue from it.
6919         (gimplify_expr): Pass fallback on.
6920
6921 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6922
6923         * cfgbuild.c: Update comments.
6924
6925 2005-03-14  Roger Sayle  <roger@eyesopen.com>
6926
6927         PR rtl-optimization/17236
6928         * optabs.c (expand_doubleword_mult): New helper function split out
6929         from expand_binop.  Permute the order in which instructions are
6930         emitted to minimize the number of simultaneously live registers.
6931         (expand_binop): Call expand_doubleword_mult to synthesize a double
6932         word multiplication.
6933
6934 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
6935
6936         * basic-block.h: Update the prototypes of cached_make_edge and
6937         rtl_make_eh_edge.
6938         * cfg.c (cached_make_edge): Take edge_cache representing one
6939         row of the adjacency matrix of edges.
6940         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
6941         (make_edges): Initialize edge_cache to represent one row of
6942         the adjacency matrix of edges.
6943
6944 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6945
6946         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
6947         New functions.
6948         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
6949         Remove unused removed_phis variable.
6950         (conditional_replacement): Use build1/build2.
6951         (abs_replacement): Use last_and_only_stmt and build1/build2.
6952
6953 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6954
6955         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
6956         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
6957         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
6958         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
6959         * c-common.c (handle_novops_attribute): New function.
6960         (c_common_attribute_table): Add "no vops" entry.
6961         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
6962         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
6963         * tree-ssa-operands.c (get_call_expr_operands): Do not
6964         create virtual operands for calls with ECF_NOVOPS flag.
6965         * tree.h (DECL_IS_NOVOPS): New macro.
6966         (struct tree_decl): Add novops_flag.
6967         (ECF_NOVOPS): New constant.
6968
6969 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
6970
6971         PR target/17688
6972         * config/i386/i386.c (x86_use_himode_fiop): New.
6973         (x86_use_simode_fiop): Rename from x86_use_fiop.
6974         * config/i386/i386.h (x86_use_himode_fiop): Declare.
6975         (TARGET_USE_HIMODE_FIOP): New.
6976         (x86_use_simode_fiop): Rename from x86_use_fiop.
6977         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
6978
6979         * config/i386/i386.md (X87MODEI12): New mode macro define.
6980         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
6981         to implement x87 FP compare with HImode input operands.
6982         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
6983         Use X87MODEI12 mode macro to handle HImode input operands.
6984         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
6985         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
6986         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
6987         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
6988         macro to implement x87 operators with HImode input operands.
6989         (fop splitters): Use X87MODEI12 mode macro to handle HImode
6990         input operands.
6991
6992 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
6993
6994         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
6995         integer_zerop.
6996         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
6997         constants invariant.
6998
6999 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
7000
7001         * basic-block.h (BB_VISITED): Removed.
7002         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
7003
7004 2005-03-14  Falk Hueffner  <falk@debian.org>
7005
7006         PR bootstrap/20424
7007         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
7008
7009 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7010
7011         * ggc-zone.c: Fix comment typos.
7012
7013         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
7014         stringpool.c, config/mips/mips-protos.h: Update copyright.
7015
7016 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
7017
7018         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
7019         throughout with its typedef, "rtx".
7020         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
7021         (rs6000_tls_symbol_ref_1): Remove inline keyword.
7022         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
7023         regs in comment to match code.
7024
7025 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
7026
7027         * except.c (check_handled): Make it static.
7028         * except.h: Remove the corresponding prototype.
7029
7030         * function.c (get_func_frame_size): Make it static.
7031         * function.h: Remove the corresponding type.
7032
7033         * regclass.c (reg_class_superclasses, reg_class_subclasses):
7034         Make them static.
7035         * hard-reg-set.h: Remove the corresponding declarations.
7036
7037         * tree-cfg.c (verify_stmts): Check that
7038         bb_for_stmt (stmt) == bb for every PHI node and statement.
7039
7040 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
7041
7042         * config.gcc: Remove excess indentation.
7043         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
7044
7045 2005-03-13  Roger Sayle  <roger@eyesopen.com>
7046
7047         PR middle-end/19331
7048         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
7049         * fold-const.c (fold_sign_changed_comparison): Likewise.
7050         (fold_binary): Optimize comparisons against widened operands if
7051         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
7052
7053 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
7054
7055         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
7056         (sparc_override_options): Initialize it.
7057         (sparc_struct_value_rtx): Set it on the MEM to be returned.
7058
7059 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
7060
7061         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
7062         (reg_or_none500mem_operand): New predicate.
7063         (zero_reg_mem_operand): New predicate.
7064         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
7065         to reg_or_none500mem_operand.
7066         (extendsfdf2_fpr): Add MEM alternative.
7067         (extenddftf2_internal): Change operand2 predicate to
7068         zero_reg_mem_operand.
7069
7070 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7071
7072         * ggc-zone.c: Rewritten.
7073
7074         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
7075         if there are none.
7076         * configure.ac: Define GGC_ZONE for --with-gc=zone.
7077         * config.in: Regenerated.
7078         * configure: Regenerated.
7079         * gengtype.c (write_types_process_field, write_func_for_structure):
7080         Pass new argument to gt_pch_note_object.
7081         * ggc-common.c (struct ptr_data): Add TYPE.
7082         (gt_pch_note_object): Take TYPE argument and save it.
7083         (call_count): Update call to ggc_pch_count_object.
7084         (call_alloc): Update call to ggc_pch_alloc_object.
7085         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
7086         file.
7087         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
7088         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
7089         (ggc_alloc_zone_stat): Delete.
7090         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
7091         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
7092         (ggc_pch_alloc_object): Update prototypes.
7093         (garbage_zone): Delete.
7094         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
7095         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
7096         pointers.
7097         (tree_id_zone): New variable.
7098         (ggc_alloc_cleared_zone): Remove unused.
7099         (ggc_alloc_zone): Define.
7100         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
7101         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
7102         ggc_alloc_zone_stat.
7103         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
7104         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
7105         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
7106         (make_node_stat): Likewise.  Use tree_id_zone.
7107
7108 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7109             Joseph S. Myers  <joseph@codesourcery.com>
7110
7111         * configure.ac: Check for MIPS TLS.
7112         * configure: Regenerated.
7113         * config/mips/mips-protos.h (enum mips_symbol_type): Add
7114         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
7115         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
7116         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
7117         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
7118         (mips_classify_symbol, mips_symbolic_constant_p)
7119         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
7120         (mips_tls_operand_p, mips_call_tls_get_addr)
7121         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
7122         (mips_tls_symbol_ref_1): New functions.
7123         (mips_legitimize_address, mips_legitimize_const_move): Call
7124         mips_legitimize_tls_address.
7125         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
7126         for MIPS16.
7127         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
7128         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
7129         (mips_char_to_class): Document V1_REG.
7130         (HAVE_AS_TLS): Provide default.
7131         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
7132         constants.
7133         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
7134         !TARGET_ABICALLS.
7135         (tls_get_tp_<mode>): New instruction.
7136
7137 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7138
7139         * configure.ac: Update checks for target tools.
7140         * configure: Regenerated.
7141
7142 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
7143
7144         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
7145
7146 2005-03-13  Roger Sayle  <roger@eyesopen.com>
7147
7148         * expmed.c (expand_mult): Use synthetic multiplication sequences for
7149         more classes of DImode multiplication by constant.  Allow both
7150         multiplication by small negative constants (by performing a
7151         multiplication by a positive constant and negating the result) and
7152         multiplications by large powers of two, by using a left shift.
7153
7154 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
7155
7156         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
7157         of basic blocks into work_stack.
7158
7159         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
7160         config/mips/vr.h: Update copyright.
7161
7162         * c-decl.c (c_init_decl_processing): Remove useless calls to
7163         build_function_type.
7164
7165         * builtins.c (fold_trunc_transparent_mathfn,
7166         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
7167         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
7168         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
7169         fold_builtin_strcpy, fold_builtin_strncpy,
7170         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
7171         TREE_TYPE (exp).
7172
7173         * builtins.c (expand_builtin_mathfn_3): Remove local variable
7174         before_call.
7175
7176         * lambda-code.c (lambda_compute_auxillary_space): Remove local
7177         variable determinant.
7178
7179         * tree-cfg.c (group_case_labels): Remove local variable type.
7180
7181         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
7182         variable ann.
7183
7184         * tree-ssa-phiopt.c (value_replacement): Remove local variable
7185         result.
7186
7187 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7188
7189         PR target/18251
7190         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
7191         (*movmemqi_insn): Delete.
7192         (*movmemhi): Delete.
7193
7194 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
7195
7196         * builtins.c (fold_builtin_classify): Take decomposed
7197         arguments of CALL_EXPR.
7198         (fold_builtin_1): Update a call to fold_builtin_classify.
7199
7200 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
7201
7202         PR c/20402
7203         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
7204         through into call to parser_xref_tag after parse error.
7205         (c_parser_struct_declaration): Consistently return NULL_TREE on
7206         error.
7207
7208 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
7209
7210         * tree-flow-inline.h (ref_contains_array_ref): New function.
7211         (lookup_subvars_for_var): Ditto.
7212         (get_subvars_for_var): Ditto.
7213         (var_can_have_subvars): Ditto.
7214
7215         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
7216         (struct subvar): New type.
7217
7218         * tree-dfa.c (okay_component_ref_for_subvars): New function.
7219
7220         * tree-optimize.c (init_tree_optimization_passes): Call
7221         pass_create_structure_vars.
7222
7223         * tree-ssa-alias.c: Include vec.h.
7224         (init_alias_info): Don't auto-clear call clobbered on struct-field
7225         tags.
7226         (compute_flow_insensitive_aliasing): Handle subvars.
7227         (group_aliases): Handle STRUCT_FIELD aliases.
7228         (setup_pointers_and_addressables): Ditto.
7229         Don't mark variables non-addressable if they still have
7230         addressable subvars.
7231         Also mark subvars addressable when the real variable is marked
7232         addressable.
7233         (add_pointed_to_var): Try to prune the pointed-to set by only
7234         pointing to subvars when possible.
7235         Otherwise, make sure we set addresses_needed and pt_vars to
7236         properly include subvars.
7237         (bitpos_of_field): New function.
7238         (push_fields_onto_fieldstack): Ditto.
7239         (get_or_create_used_part_for): Ditto.
7240         (create_overlap_variables_for): Ditto.
7241         (find_used_portions): Ditto.
7242         (create_structure_vars): Ditto.
7243         (pass_create_structure_vars): New structure.
7244
7245         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
7246         (get_expr_operands): Handle subvars.  Also try to turn
7247         COMPONENT_REF accesses into must-defs now that we can accurately
7248         portray it.
7249         (note_addressable): Try to only mark as addressable those subvars
7250         we know a COMPONENT_REF touches.
7251         (overlap_subvar): New function.
7252
7253         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
7254         Handle subvar storing.
7255         (vect_address_analysis): Update caller of vect_object_analysis.
7256
7257         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
7258
7259         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
7260         (STMT_VINFO_SUBVARS): New macro.
7261
7262         * common.opts: add flag_tree_salias.
7263
7264         * opts.c (decode_options): flag_tree_salias defaults to on.
7265
7266         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
7267
7268         * doc/tree-ssa.texi: Document structural alias analysis.
7269
7270 2005-03-12  Steven Bosscher  <stevenb@suse.de>
7271
7272         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
7273         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
7274         * tree-ssa-operands.c (get_expr_operands): Likewise.
7275         (get_expr_operands): Likewise for ERROR_MARK.
7276
7277 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
7278
7279         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
7280         var.
7281
7282         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
7283         removed_phis.
7284
7285         * tree-ssa-pre.c (compute_avail): Remove local variable val.
7286         (mark_operand_necessary): Remove local variable ver.
7287
7288         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
7289         variable prefix_len.
7290
7291         * value-prof.c (mod_subtract_transform): Remove local variable
7292         value.
7293
7294         * builtins.c (fold_builtin_exponent): Take decomposed
7295         arguments of CALL_EXPR.
7296         (fold_builtin_1): Update a call to fold_builtin_exponent.
7297
7298         * builtins.c (fold_builtin_logarithm): Take decomposed
7299         arguments of CALL_EXPR.
7300         (fold_builtin_1): Update a call to fold_builtin_logarithm.
7301
7302         * c-decl.c (c_init_decl_processing): Remove local variables
7303         ptr_ftype_void and ptr_ftype_ptr.
7304
7305         * gimplify.c (gimplify_expr): Remove local variables r0 and
7306         r1.
7307
7308         * reg-stack.c (move_for_stack_reg): Remove local variable
7309         push_insn.
7310         (compare_for_stack_reg): Remove local variable flags_user.
7311         (convert_regs_1): Remove local variable deleted.
7312
7313         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
7314         variable new_cond.
7315         (combine_blocks): Remove local variables exits and new_e.
7316
7317         * tree-inline.c (expand_call_inline): Remove local variable
7318         decl.
7319
7320         * tree-ssa-live.c (create_ssa_var_map,
7321         calculate_live_on_entry): Remove local variable snn.
7322
7323 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
7324
7325         * c-lex.c (c_lex_with_flags): Add parameter to call to
7326         cpp_spell_token.
7327
7328 2005-03-11  Per Bothner  <per@bothner.com>
7329
7330         * c-tree.h (struct c_declarator): New id_loc field.
7331         * c-pragma.h (c_lex_with_flags): Take position reference.
7332         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
7333         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
7334         (c_lex): Pass dummy location to c_lex_with_flags.
7335         * c-parser.c (c_lex_one_token): Set c_token's location using
7336         c_lex_with_flags, instead of input_location, which might be "ahead".
7337         (c_parser_direct_declarator): Set declarator's id_loc from
7338         c_token's id_loc.
7339         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
7340         declarator's id_loc, rather than probably-imprecise input_location.
7341         (build_id_declarator): Initialize c_declarator's id_loc field.
7342
7343 2005-03-11  Roger Sayle  <roger@eyesopen.com>
7344
7345         PR middle-end/20419
7346         * builtins.c (expand_builtin_signbit): Force the signbit's word
7347         into an integer register to avoid SUBREGs of floating point modes.
7348
7349 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
7350
7351         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
7352         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
7353         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
7354         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
7355
7356 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
7357
7358         PR rtl-optimization/20306
7359         * expr.c (emit_move_complex): Set try_int false if mode is
7360         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
7361         emit_block_move if try_int is true.
7362
7363 2005-03-11  Richard Henderson  <rth@redhat.com>
7364
7365         PR target/20415
7366         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
7367         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
7368         to match.
7369
7370 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7371
7372         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
7373         (TARGET_FIX_VR4130): New macro.
7374         (TARGET_OPTIONS): Add -mfix-vr4130.
7375         (ISA_HAS_MACCHI): New macro.
7376         (ASM_SPEC): Add -mfix-vr4130.
7377         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
7378         (override_options): Handle mips_fix_vr4130_string.
7379         (mips_avoid_hazards): Clear all_noreorder_p
7380         if we're working around VR4130 errata and the macc alternatives
7381         are not available.
7382         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
7383         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
7384         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
7385         (MULTILIB_DEFAULTS): Remove leading "march=".
7386         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
7387         if no architecture option is given.
7388         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
7389         VR4130 multilibs.
7390         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
7391         * doc/invoke.texi: Document -mfix-vr4130.
7392
7393 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
7394
7395         * config/mips/mips.c (override_options): Only warn about -mint64
7396         deprecation if TARGET_INT64.
7397
7398 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7399
7400         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
7401         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
7402         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
7403         are non-specific regarding the nonnull parameter positions.
7404         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
7405         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
7406         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
7407         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
7408
7409         * builtins.def: Use the non-specific "nonnull" attibute lists.
7410
7411 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7412
7413         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7414         single_pred_edge, single_succ, single_pred): Improve comments.
7415
7416 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
7417
7418         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
7419         single_pred_edge, single_succ, single_pred): New inline functions.
7420         * bb-reorder.c (rotate_loop, find_traces_1_round,
7421         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
7422         duplicate_computed_gotos): Use the single_succ/pred functions.
7423         * cfganal.c (forwarder_block_p): Ditto.
7424         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
7425         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
7426         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
7427         merge_seq_blocks): Ditto.
7428         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
7429         * cfglayout.c (fixup_reorder_chain): Ditto.
7430         * cfgloop.c (mark_single_exit_loops, update_latch_info,
7431         canonicalize_loop_headers, verify_loop_structure): Ditto.
7432         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
7433         mfb_update_loops, create_preheader, force_single_succ_latches,
7434         create_loop_notes): Ditto.
7435         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
7436         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
7437         commit_one_edge_insertion, purge_dead_edges,
7438         cfg_layout_can_merge_blocks_p): Ditto.
7439         * except.c (sjlj_emit_function_enter): Ditto.
7440         * flow.c (init_propagate_block_info): Ditto.
7441         * function.c (thread_prologue_and_epilogue_insns): Ditto.
7442         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
7443         insert_insn_end_bb): Ditto.
7444         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
7445         find_if_case_2): Ditto.
7446         * lambda-code.c (perfect_nestify): Ditto.
7447         * lcm.c (optimize_mode_switching): Ditto.
7448         * loop-doloop.c (doloop_modify): Ditto.
7449         * loop-init.c (loop_optimizer_init): Ditto.
7450         * loop-iv.c (simplify_using_initial_values): Ditto.
7451         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
7452         * loop-unswitch.c (unswitch_loop): Ditto.
7453         * modulo-sched.c (generate_prolog_epilog): Ditto.
7454         * predict.c (combine_predictions_for_insn, estimate_probability,
7455         tree_estimate_probability, last_basic_block_p,
7456         estimate_bb_frequencies): Ditto.
7457         * profile.c (branch_prob): Ditto.
7458         * regrename.c (copyprop_hardreg_forward): Ditto.
7459         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
7460         * tracer.c (layout_superblocks): Ditto.
7461         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
7462         cfg_remove_useless_stmts_bb, cleanup_control_flow,
7463         cleanup_control_expr_graph, disband_implicit_edges,
7464         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
7465         tree_verify_flow_info, tree_make_forwarder_block,
7466         tree_forwarder_block_p, remove_forwarder_block,
7467         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
7468         * tree-if-conv.c (tree_if_conversion): Ditto.
7469         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7470         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
7471         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
7472         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
7473         copy_loop_headers): Ditto.
7474         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
7475         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
7476         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
7477         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
7478         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
7479         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
7480         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
7481         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
7482         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
7483         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
7484         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
7485         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
7486         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
7487         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
7488         slpeel_add_loop_guard): Ditto.
7489
7490 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
7491
7492         PR tree-optimization/15784
7493         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
7494         and -1 - A to ~A.
7495
7496         * stmt.c (expand_case): Don't change index_type.  Convert minval
7497         to the proper type.
7498
7499         PR tree-optimization/20130
7500         * fold-const.c (fold): Fold x * -1 into -x.
7501
7502 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7503
7504         PR rtl-optimization/20331
7505         * rtlanal.c (modified_between_p): Check its address first for MEM.
7506         (modified_in_p): Likewise.
7507
7508 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
7509
7510         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
7511
7512 2005-03-10  Steven Bosscher  <stevenb@suse.de>
7513
7514         * expr.c (expand_expr_real_1): If possible, use a conditional
7515         move for expanding MIN_EXPR and MAX_EXPR.
7516         Use temp for moving around rtx-en.
7517
7518 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
7519
7520         PR rtl-opt/20412
7521         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
7522         correct mode.
7523
7524 2005-03-10  Roger Sayle  <roger@eyesopen.com>
7525
7526         * builtins.c (expand_builtin_signbit): Extend to handle floating
7527         point modes wider than the largest integer type, using the
7528         operand_subword_force function to obtain the signbit's word.
7529
7530 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7531
7532         PR target/20322
7533         * combine.c (try_combine): If recog_for_combine added CLOBBERs
7534         to NEWI2PAT, fail to combine if they are used by NEWPAT.
7535
7536 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
7537
7538         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
7539
7540 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
7541
7542         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
7543         type void.
7544         (perform_edge_inserts): Unconditionally call
7545         free_dominator_info.
7546
7547         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
7548
7549 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
7550
7551         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
7552
7553 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
7554
7555         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
7556
7557         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
7558         gcc_unreachable.
7559         (rtl_register_value_prof_hooks,
7560         tree_value_profile_transformations,
7561         tree_register_value_prof_hooks): Likewise.
7562         * var-tracking.c (stack_adjust_offset_pre_post,
7563         variable_htab_free, variable_union, dataflow_set_different_2,
7564         count_uses, variable_was_changed, set_frame_base_location,
7565         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
7566         vt_add_function_parameters): Likewise.
7567         * varasm.c (named_section_real, named_section, make_decl_rtl,
7568         asm_emit_uninitialised, assemble_integer, decode_addr_const,
7569         const_hash_1, compare_constant, copy_constant, force_const_mem,
7570         output_constant_pool_2, output_constant_pool_1, output_constant,
7571         output_constructor, make_decl_one_only, decl_tls_model,
7572         default_no_named_section, default_elf_select_section_1,
7573         default_unique_section_1): Likewise.
7574         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
7575         * vmsdbgout.c (addr_const_to_string): Likewise.
7576
7577         PR c++/20375
7578         * function.c (struct assign_parm_data_one): Remove last_named
7579         field.
7580         (assign_parm_find_data_types): Don't determine last_named.
7581         Reorder named_parm determination.
7582         (assign_parms): Only setup varargs on the last non-varadic
7583         parameter.
7584
7585 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
7586
7587         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
7588         sda base address on medium model.
7589
7590 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
7591
7592         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
7593         * cfgloop.c (flow_loop_nodes_find): Export.
7594         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
7595         Declare.
7596         * cfgloopmanip.c (fix_loop_structure): New function.
7597         * predict.c (predict_loops): Clean up the loops information.
7598         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
7599         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
7600         loop structure.
7601         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
7602         (rewrite_into_loop_closed_ssa): Declaration changed.
7603         * tree-loop-linear.c (linear_transform_loops): Add argument to
7604         rewrite_into_loop_closed_ssa call.
7605         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7606         * tree-ssa-loop-im.c (move_computations): Ditto.
7607         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7608         * tree-vectorizer.c (vectorize_loops): Ditto.
7609         * tree-optimize.c: Include cfgloop.h.
7610         (execute_todo): Choose whether to call cleanup_tree_cfg or
7611         cleanup_tree_cfg_loop.
7612         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
7613         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
7614         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
7615         cleanup_tree_cfg_loop call.
7616         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
7617         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
7618         work on part of cfg.
7619
7620 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
7621
7622         PR inline-asm/20314
7623         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
7624         with multiple alternatives.
7625
7626         * stmt.c (parse_output_constraint): Fix a typo.
7627
7628 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
7629
7630         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
7631         assembly directive instead of deprecated "no-generics".
7632
7633 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
7634
7635         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
7636         for non-offsettable memory references to cope with outstanding reload
7637         replacements.
7638         * config/s390/s390.md ("reload_outti"): Call find_replacement to
7639         avoid losing outstanding address reloads.
7640         ("reload_outdi", "reload_outdf"): Likewise.
7641
7642 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7643
7644         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
7645         code.  Add more cbrt transformations.
7646
7647 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7648
7649         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
7650
7651 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7652
7653         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
7654         NULL_TREE when a given tree is not simplified.
7655         (fold): Return the original tree when any of the functions
7656         mentioned above NULL_TREE.
7657
7658         * fold-const.c (fold_unary, fold_binary): Take decomposed
7659         arguments, code, type, op0, and op1 in case of fold_binary.
7660         (fold): Update calls to fold_unary and fold_binary.
7661
7662 2005-03-09  Roger Sayle  <roger@eyesopen.com>
7663
7664         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
7665         a fndecl and an arglist instead of a CALL_EXPR, exp.
7666
7667 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
7668
7669         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
7670
7671         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
7672
7673         * expr.c (expand_assignment): Remove orig_to_rtx.
7674
7675         * fold-const.c (int_const_binop): Remove no_overflow.
7676
7677         * ifcvt.c (noce_emit_move_insn): Remove inmode.
7678
7679         * loop-iv.c (get_biv_step_1): Remove lhs.
7680
7681         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
7682
7683         * real.c (real_nan): Remove neg.
7684
7685         * function.c (thread_prologue_and_epilogue_insns): Remove i
7686         and newinsn.
7687
7688         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
7689         tb.
7690
7691         * tree-eh.c (tree_could_trap_p): Remove idx.
7692
7693         * tree-into-ssa.c (ann): Remove ann.
7694
7695         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
7696
7697         * tree-sra.c (decide_block_copy): Remove inst_count.
7698
7699         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
7700
7701         * tree-ssa-loop-im.c (lhs): Remove.
7702
7703         * cfgbuild.c (state, STATE, SET_STATE,
7704         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
7705         make_edges.
7706         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
7707         (find_basic_blocks): Set the state of each basic block to
7708         BLOCK_NEW.
7709
7710 2005-03-08  Jeff Law  <law@redhat.com>
7711
7712         * tree-cfg.c (cleanup_control_flow): If removal of a computed
7713         goto results in the removal of edges in the CFG, then we need
7714         to recompute dominators.
7715
7716 2005-03-09  Ben Elliston  <bje@au.ibm.com>
7717
7718         * c-common.c (c_do_switch_warnings): Comment fix.
7719
7720 2005-03-08  Julian Brown  <julian@codesourcery.com>
7721
7722         * Patch from 2005-03-08 reverted for causing regressions and
7723         ppc-darwin bootstrap failure.
7724
7725 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
7726
7727         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
7728         Define the real function for ppc-darwin.
7729         * c-typeck.c (convert_arguments): Check for target-specific
7730         invalid argument call to unprototyped function.
7731         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7732         New Macro.
7733         * target.h (invalid_arg_for_unprototyped_fn): New field
7734         in struct calls.
7735         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
7736         default target hook.
7737         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
7738         Declare.
7739
7740 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7741
7742         * c-typeck.c (constructor_stack, constructor_range_stack,
7743         initializer_stack): Make them static.
7744
7745         * cfg.c (rbi_pool): Make it static.
7746
7747         * gimple-low.c (lower_stmt_body): Make it static.
7748         * tree-flow.h: Remove the corresponding prototype.  Don't
7749         declare lower_data.
7750
7751         * sched-deps.c (cache_size): Make it static.
7752
7753         * stor-layout.c (lang_adjust_rli): Make it static.
7754
7755 2005-03-08  Julian Brown  <julian@codesourcery.com>
7756
7757         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
7758         from being used for symbols with vague linkage when
7759         HAVE_GAS_COMDAT_GROUP is true.
7760
7761 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
7762
7763         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
7764         nlabel == JUMP_LABEL (jump).
7765
7766 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7767
7768         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
7769         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
7770         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
7771         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
7772
7773 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
7774
7775         PR c/14411
7776         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
7777         * c-common.c (handle_returns_twice): New function.
7778         (c_common_attribute_table): Declare eturns_twice' attribute.
7779         * doc/extend.texi: Document eturns_twice' attribute.
7780         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
7781         (struct tree_decl): Add returns_twice_flag.
7782
7783 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7784
7785         * tree-ssa-phiopt.c: Fix a comment typo.
7786
7787         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
7788         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
7789         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
7790         copyright.
7791
7792 2005-03-08  Richard Henderson  <rth@redhat.com>
7793
7794         * config/alpha/alpha.c (code_for_builtin): Replace special-case
7795         builtin codes with ctzdi2, clzdi2, popcountdi2.
7796         (struct alpha_builtin_def): Add is_const.
7797         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
7798         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
7799         (alpha_init_builtins): Init them.  Set nothrow and const attributes
7800         on builtins.
7801         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
7802         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
7803         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
7804         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
7805         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
7806         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
7807         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
7808         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
7809         (TARGET_FOLD_BUILTIN): New.
7810         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
7811         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
7812         (ffsdi2): Use ctz.
7813         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
7814
7815 2005-03-08  Ira Rosen  <irar@il.ibm.com>
7816
7817         PR tree-optimization/20122
7818         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
7819         condition of access function instead of base.
7820
7821 2005-03-07  Jeff Law  <law@redhat.com>
7822             Steven Bosscher  <stevenb@suse.de>
7823
7824         * tree-cfg.c (find_taken_edge_computed_goto): New function.
7825         (find_taken_edge): Call find_taken_edge_computed_goto as
7826         appropriate.  Allow any gimple invariant rather than just
7827         INTEGER_CST for VAL.
7828         (cleanup_control_flow): Cleanup a computed goto which has turned
7829         into a simple goto.
7830         (tree_merge_blocks): If block B has any forced labels, move
7831         them to the start of block A.
7832         * tree-ssa-dom.c (thread_across_edge): Allow threading across
7833         computed gotos as well.
7834         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
7835         removal of unnecessary computed gotos too.
7836         (lookup_redirection_data): Fix type of INSERT argument.  Callers
7837         updated.
7838
7839 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
7840
7841         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
7842         Remove trailing spaces.
7843
7844         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
7845         unshare_all_trees): Make them static.
7846         * tree-gimple.h: Remove the corresponding prototypes.
7847
7848         * diagnostic.h: Remove unused prototype
7849         debug_output_buffer.
7850         * modulo-sched.c: Remove unused prototype
7851         set_row_column_for_ps.
7852
7853         * tree-ssa-phiopt.c (tree_ssa_phiopt,
7854         replace_phi_edge_with_variable): Remove unused variable i.
7855
7856 2005-03-07  Per Bothner  <per@bothner.com>
7857
7858         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
7859
7860 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
7861
7862         PR tree-opt/17671
7863         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
7864         bbs on the COND_EXPR instead of the PHI_NODEs.
7865         (candidate_bb_for_phi_optimization): Remove.
7866         (replace_phi_with_stmt): Rename to ...
7867         (replace_phi_edge_with_variable): this and change so that we
7868         replace the phi argument instead of removing the PHI.
7869         (conditional_replacement): Change so we deal with PHI with more
7870         than two arguments.
7871         (value_replacement): Likewise.
7872         (abs_replacement): Likewise.
7873
7874 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
7875
7876         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
7877         output_e500_flip_gt_bit.
7878
7879         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
7880         as bit 31.
7881         (rs6000_generate_compare): Fix logic to look at the correct bits.
7882         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
7883         Look at GT bit.
7884         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
7885         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
7886         gen_move_from_CR_gt_bit.
7887
7888         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
7889         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
7890         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
7891
7892         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
7893         (E500_CR_IOR_COMPARE): New constant.
7894
7895 2005-03-08  Earl Chew <earl_chew@agilent.com>
7896             David Billinghurst <David.Billinghurst@riotinto.com>
7897
7898         * config/i386/host-cygwin.c: New file to support precompiled
7899         headers on cygwin
7900         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
7901         * config.host: Use above files for cygwin host.
7902
7903 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
7904
7905         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
7906         ordering ops from earlier change.
7907
7908 2005-03-07  Per Bothner  <per@bothner.com>
7909
7910         Various fixes to allow us to again build if --enable-mapped-location:
7911         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
7912         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
7913         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
7914         local variable loc. Change logic appropriately.
7915         * tree-vect-transform.c (vect_finish_stmt_generation): Use
7916         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
7917         * c-parser.c (c_parser_for_statement): Initialize loc variable.
7918         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
7919         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
7920
7921 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
7922
7923         PR rtl-optimization/19683
7924         * reload1.c (choose_reload_regs): Pass the number of bits, not the
7925         number of bytes, to smallest_int_for_mode.  Fix arguments to
7926         REG_CANNOT_CHANGE_MODE_P.
7927
7928 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7929
7930         * reorg.c (relax_delay_slots): Check that the jump is
7931         conditional before trying to invert it.
7932
7933 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7934
7935         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
7936         Make them static.
7937
7938         * calls (stack_arg_under_construction): Make it static.
7939
7940         * flow.c (regs_live_at_setjmp): Make it static.
7941         * flow.h: Remove the corresponding prototype.
7942
7943         * reload1.c (reload_startobj, reload_firstobj,
7944         something_needs_operands_changed, reload_inherited,
7945         reload_inheritance_insn, reload_override_in,
7946         reload_spill_index): Make them static.
7947
7948         * recog.c (verify_changes): Make it static.
7949         * recog.h: Remove the corresponding prototype.
7950
7951         * cfgbuild.c (find_sub_basic_blocks): Remove.
7952         * basic-block.h: Remove the corresponding prototype.
7953         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
7954         in comments.
7955         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
7956
7957         * tree-ssa-operands.c (check_build_stmt): Remove.
7958
7959         * stor-layout.c (set_alignment): Remove.
7960         * tree.h: Remove the corresponding prototype.
7961
7962         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
7963
7964         * tree-ssa-dce.c (control_dependence_map,
7965         visited_control_parents): Make them static.
7966
7967         * cfghooks.c (verify_flow_info): Remove local variable
7968         num_bb_notes.
7969
7970         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
7971         last_bb_seen.
7972
7973         * loop-unswitch.c (unswitch_loop): Remove local variable src.
7974
7975 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
7976
7977         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
7978
7979 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
7980
7981         * config/ia64/hpux.h (LINK_SPEC): Add -z.
7982         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
7983         PARALLEL for an empty structure.
7984
7985 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
7986
7987         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
7988
7989         * fold-const.c (fold_binary): Unroll the very first "for"
7990         loop.
7991
7992 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
7993
7994         * config/rs6000/predicates.md (branch_comparison_operator): Remove
7995         redundant match_code test.
7996         (scc_comparison_operator): Swap match_operand and match_code
7997         tests.
7998         (branch_positive_comparison_operator): Same.
7999         (trap_comparison_operator): Use comparison_operator and swap with
8000         match_code test.
8001
8002 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8003
8004         PR target/20288
8005         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
8006         (out_movhi_r_mr): Read low byte of volatile MEM first.
8007         (out_movhi_mr_r): Write high byte of volatile MEM first.
8008
8009 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8010
8011         * cselib.c (reg_values, reg_values_size): Make them static.
8012
8013         * cse.c (cse_reg_info_table): Make it static.
8014
8015         * fold-const.c (fold_unary): Use build1 instead of copy_node.
8016
8017 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
8018
8019         * cse.c (find_best_addr): Use canon_for_address.
8020
8021 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8022
8023         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
8024         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
8025         SUBREG and MEM, respectively.
8026
8027         * fold-const.c (fold_binary): Use code instead of t.
8028
8029         * fold-const.c (optimize_minmax_comparison): Take decomposed
8030         arguments code, type, op0, and op1 instead of t.
8031         (fold_binary): Update a call to optimize_minmax_comparison.
8032
8033         * fold-const.c (fold_range_test): Take decomposed arguments
8034         code, type, op0, and op1 instead of t.
8035         (fold_binary): Update a call to fold_range_test.
8036
8037         * fold-const.c (fold_binary_op_with_conditional_arg): Take
8038         decomposed arguments code, type, op0, and op1 instead of t.
8039         (fold_binary): Update a call to fold_range_test.
8040
8041 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
8042
8043         * fold-const.c (fold_binary): Avoid directly using the original
8044         expression t as much as possible.
8045
8046 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8047
8048         * c-semantics.c (build_stmt): Use TYPE_P instead of
8049         IS_NON_TYPE_CODE_CLASS.
8050         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
8051         (NON_TYPE_CHECK): Use TYPE_P instead of
8052         IS_NON_TYPE_CODE_CLASS.
8053
8054         * fold-const.c (fold): Remove handling of binary expressions.
8055
8056 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
8057
8058         * doc/c-tree.texi: Wrap comments in @r{}.
8059         * doc/cpp.texi: Likewise.
8060         * doc/cppinternals.texi: Likewise.
8061         * doc/extend.texi: Likewise.
8062         * doc/md.texi: Likewise.
8063         * doc/objc.texi: Likewise.
8064         * doc/sourcebuild.texi: Likewise.
8065         * doc/tm.texi: Likewise.
8066         * doc/tree-ssa.texi
8067
8068 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
8069
8070         * predict.c (apply_return_prediction): Standardize PHI chain
8071         walking.
8072         * tree-ssa.c (ssa_redirect_edge): Likewise.
8073
8074         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
8075         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
8076         Update copyright.
8077
8078         * tree-phinodes.c (remove_phi_node): Drop the last argument.
8079         * tree-flow.h: Adjust the prototype for remove_phi_node.
8080         * lambda-code.c (perfect_nestify): Adjust a call to
8081         remove_phi_node.
8082         * tree-cfg.c
8083         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
8084         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
8085         Likewise.
8086         * tree-ssa-dce.c (remove_dead_phis): Likewise.
8087         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
8088         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
8089         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
8090
8091         * combine.c (simplify_and_const_int): Use gen_int_mode instead
8092         of GEN_INT (trunc_int_for_mode (...)).
8093         * loop-iv.c (iv_number_of_iterations): Likewise.
8094         * postreload.c (reload_cse_move2add): Likewise.
8095         * simplify-rtx.c (simplify_const_unary_operation,
8096         simplify_const_binary_operation): Likewise.
8097         * stor-layout.c (get_mode_bounds): Likewise.
8098
8099         * fold-const.c (fold_binary): New.
8100         (fold): Call fold_binary on binary expressions.
8101
8102 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
8103
8104         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
8105         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
8106         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
8107         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
8108         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
8109
8110 2005-03-04  Devang Patel  <dpatel@apple.com>
8111
8112         PR tree-optimization/18815
8113         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8114         loops with zero exit edges.
8115
8116 2005-03-04  Devang Patel  <dpatel@apple.com>
8117
8118         * doc/invoke.texi: Remove reference to webpage that does not exist.
8119
8120 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
8121             Joseph S. Myers  <joseph@codesourcery.com>
8122
8123         PR c++/19797
8124         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
8125         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
8126         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
8127         * pa.c (get_plabel): Change argument to symbol_ref.  Call
8128         maybe_get_identifier instead of get_identifier.
8129         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
8130         (struct deferred_plabel): Replace name field with symbol field.
8131         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
8132         ASM_OUTPUT_EXTERNAL_REAL is defined.
8133         (output_global_address): Use output_addr_const for output of all
8134         symbol_refs.
8135         (output_deferred_plabels): Use symbol_ref instead of name for address
8136         output.
8137         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
8138         ASM_OUTPUT_SYMBOL_REF): New macros.
8139         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
8140         comment.
8141         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
8142         label.
8143
8144 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
8145
8146         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
8147         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
8148
8149 2005-03-04  Jeff Law  <law@redhat.com>
8150
8151         * basic-block.h (rediscover_loops_after_threading): Declare.
8152         * tree-ssa-dom.c: Include cfgloop.h.
8153         (tree_ssa_dominator_optimize): Discover loops and some basic
8154         properties.  Remove forwarder blocks recreated by loop header
8155         canonicalization.  Also mark backedges in the CFG.
8156         * tree-ssa-threadupdate.c: Include cfgloop.h
8157         (rediscover_loops_after_threading): Define.
8158         (struct local_info): New field, JUMP_THREADED.
8159         (prune_undesirable_thread_requests): New function.
8160         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
8161         then record that fact for the callers of redirct_edges.
8162         (thread_block): If BB has incoming backedges, then call
8163         prune_undesirable_thraed_requests.    Note when we are
8164         going to have to rediscover loop information.  Return a
8165         boolean indicating if any jumps were threaded.
8166         (thread_through_all_blocks): Bubble up boolean indicating
8167         if any jumps were threaded.
8168         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
8169         (tree-ssa-threadupdate.o): Similarly.
8170
8171 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8172
8173         * fold-const.c (fold_ternary): Unroll the "for" loop to
8174         extract operands.
8175
8176 2005-03-04  Andrew Haley  <aph@redhat.com>
8177
8178         * unwind-dw2-fde-glibc.c (struct
8179         unw_eh_callback_data.check_cache): New field.
8180         (frame_hdr_cache): New.
8181         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
8182         Cache frame header info.
8183
8184 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
8185
8186         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
8187         (print_c_condition): Declare.
8188         * read-rtl.c (ptr_loc): New structure.
8189         (ptr_locs, ptr_loc_obstack, joined_conditions)
8190         (joined_conditions_obstack): New variables.
8191         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
8192         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
8193         (join_c_conditions, print_c_condition): New functions.
8194         (apply_macro_to_string): Associate the new string with the same
8195         source location as the old one.
8196         (add_condition_to_string): Use join_c_conditions.
8197         (read_string): Use set_rtx_ptr_loc to record a filename and line
8198         number for the string.
8199         (read_rtx): Initialize the new variables above.
8200         * genattrtab.c (write_test_expr, write_attr_value): Use
8201         print_c_condition.
8202         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
8203         comment above the GCC_VERSION check.
8204         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
8205         Inline the definition of MAYBE_EVAL.
8206         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
8207         * genoutput.c (process_template): Likewise.
8208         * genpreds.c (write_predicate_subfunction): Likewise.
8209         (write_predicate_expr): Use print_c_condition.
8210         * genrecog.c (write_cond): Likewise.
8211         * gensupport.c (process_rtx): Use join_c_conditions to join the
8212         conditions of a define_insn_and_split.  Record a source location
8213         for the string after the "&&".
8214         (alter_test_for_insn): Use join_c_conditions.
8215
8216 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
8217
8218         Revert for now:
8219         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
8220         PR tree-optimization/15784
8221         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8222         and -1 - A to ~A.
8223
8224 2005-03-04  Ben Elliston  <bje@au.ibm.com>
8225
8226         * gcc.c (option_map): Add --coverage.
8227         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
8228         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
8229         * config/darwin.h: Pass -lgcov for `coverage'.
8230         * doc/invoke.texi (Debugging Options): Document --coverage.
8231
8232 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8233
8234         * gcse.c (bypass_block): Use find_edge wherever possible.
8235
8236 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
8237
8238         Fix PR debug/20253
8239
8240         * c-opts.c (c_common_parse_file): Call start_source_file
8241         and end_source_file at the approriate times.
8242
8243         * dwarf2out.c (dwarf2out_finish): Don't auto-end
8244         the main file, it will be done for us now.
8245
8246 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
8247
8248         * fold-const.c (fold_ternary): New.
8249         (fold): Call fold_ternary on ternary expressions.  Remove
8250         handling of ternary expressions.
8251
8252 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
8253
8254         PR tree-optimization/15784
8255         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
8256         and -1 - A to ~A.
8257
8258 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
8259
8260         * config/rs6000/predicates.md (branch_comparison_operator):
8261         Convert from C block to conditional format.
8262
8263 2005-03-03  Jan Hubicka  <jh@suse.cz>
8264
8265         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
8266         and non-constant public variables.
8267
8268 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
8269
8270         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
8271         with LABEL_EXPR.
8272
8273         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
8274         EDGE_I.
8275
8276         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
8277         calls to release_ssa_name and release_phi_node.
8278
8279         * fold-const.c (fold): Remove handling of unary expressions.
8280
8281         * fold-const.c (fold_unary): Avoid directly using the original
8282         expression t as much as possible.
8283
8284 2005-03-03  Roger Sayle  <roger@eyesopen.com>
8285             Andrew Pinski  <pinskia@physics.uc.edu>
8286
8287         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
8288         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
8289
8290 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
8291
8292         Describe special registers SRP and MOF as allocatable registers.
8293         * config/cris/cris.c (cris_md_asm_clobbers): New function.
8294         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
8295         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
8296         TARGET_HAS_MUL_INSNS.
8297         (cris_print_operand) <case 'd'>: New case.
8298         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
8299         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
8300         define.
8301         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
8302         (REG_ALLOC_ORDER): Update for MOF.
8303         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
8304         SPECIAL_REGS.
8305         (GENERAL_REGS): No longer a define of ALL_REGS.
8306         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
8307         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8308         Adjust accordingly.
8309         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
8310         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
8311         (SECONDARY_RELOAD_CLASS): Define.
8312         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
8313         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
8314         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
8315         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
8316         (REGISTER_MOVE_COST): Define.
8317         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
8318         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
8319         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
8320         (CRIS_MOF_REGNUM): New define_constants.
8321         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
8322         special registers.
8323         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
8324         New patterns.
8325         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
8326         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
8327         Adjust for MOF being properly described as a register.
8328         (indir_to_reg_split): Name this split.  Conditionalize on the
8329         destination register being a general register.
8330         (movei): Conditionalize on on operands 0 and 1 having the same
8331         register class.
8332
8333 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
8334
8335         PR target/20277
8336         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
8337         -mcpu to override any other explicitly given flags.
8338
8339 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
8340
8341         * recog.c (verify_changes, confirm_change_group): New functions,
8342         broken out of apply_change_group.
8343         (apply_change_group): Use them.
8344         * recog.h (verify_change, confirm_change_group): Declare.
8345         * rtl.h (redirect_jump_2): Declare.
8346         * jump.c (redirect_exp, invert_exp): Delete.
8347         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
8348         (redirect_jump_2): New function, broken out of redirect_jump.
8349         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
8350         (invert_jump): Use invert_jump_1 and redirect_jump_2.
8351         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
8352
8353 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
8354
8355         * varasm.c (named_section): Use xstrdup rather than doing it by
8356         hand.
8357
8358         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
8359
8360 2005-03-02  Devang Patel  <dpatel@apple.com>
8361
8362         Undo PR tree-optimization/18815 fix.
8363
8364 2005-03-02  Devang Patel  <dpatel@apple.com>
8365
8366         PR tree-optimization/18815
8367         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
8368         loops with zero exit edges.
8369
8370 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8371
8372         * cfg.c (connect_src, connect_dest, disconnect_src,
8373         disconnct_dest): New.
8374         (unchecked_make_edge, remove_edge, redirect_edge_succ,
8375         redirect_edge_pred): Use the new functions.
8376
8377         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
8378         free_dominance_info only when needed.
8379
8380 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
8381
8382         PR target/20276
8383         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
8384         (reg_or_sub_cint64_operand): Same.
8385
8386 2005-03-02  Jeff Law  <law@redhat.com>
8387
8388         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
8389         CFG_ALTERED in the main DOM iteration loop.
8390
8391 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
8392
8393         PR c++/19916
8394         * varasm.c (initializer_constant_valid_p): Allow conversions
8395         between OFFSET_TYPEs.  Tidy.
8396
8397 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
8398
8399         * config/cris/cris.md ("return"): Remove epilogue delay list
8400         sanity check.
8401
8402 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
8403
8404         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
8405         for Thumb.
8406         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
8407
8408 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
8409
8410         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
8411         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
8412         config/m68k/m68k.c, config/mips/mips.h,
8413         config/rs6000/rs6000-protos.h, doc/contrib.texi,
8414         doc/include/gcc-common.texi: Update copyright.
8415
8416         PR middle-end/18029 and PR middle-end/18030
8417         * expr.c (optimize_bitfield_assignment_op): Add a special case
8418         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
8419
8420         * fold-const.c (fold_unary): New.
8421         (fold): Call fold_unary on unary expressions.
8422
8423 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
8424
8425         * cgraph.h (struct cgraph_edge): Add prev_caller and
8426         prev_callee fields.
8427         (cgraph_node_remove_callees): Export.
8428         * cgraph.c (cgraph_create_edge): Initialize prev_caller
8429         and prev_callee.
8430         (cgraph_edge_remove_callee): New function.
8431         (cgraph_edge_remove_caller): Likewise.
8432         (cgraph_remove_edge): Use.
8433         (cgraph_redirect_edge_callee): Likewise.
8434         (cgraph_node_remove_callees): New function.
8435         (cgraph_node_remove_callers): Likewise.
8436         (cgraph_remove_node): Use.
8437         * tree-optimize.c (tree_rest_of_compilation): Use
8438         cgraph_node_remove_callees instead of manual loop.
8439         * cgraphunit.c (cgraph_finalize_function): Likewise.
8440         (cgraph_expand_function): Likewise.
8441         (cgraph_remove_unreachable_nodes): Likewise.
8442
8443 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
8444
8445         PR c/8927
8446         * c-tree.h (undeclared_variable, build_external_ref): Add extra
8447         argument.
8448         * c-decl.c (undeclared_variable): Take location as argument.
8449         * c-typeck.c (build_external_ref): Likewise.
8450         * c-parser.c (c_parser_postfix_expression): Pass location of
8451         identifier to build_external_ref.
8452
8453 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8454
8455         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
8456         CCEQ mode for branch_positive_comparison_operator test.
8457         * config/rs6000/predicates (branch_comparison_operator): Revert to
8458         define_predicate.
8459         (scc_comparison_operator): Same.
8460         (branch_positive_comparison_operator): Same.
8461
8462 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
8463
8464         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
8465         (cris_delay_slots_for_epilogue): Remove.
8466         (save_last): Move into cris_target_asm_function_epilogue.
8467         (cris_target_asm_function_epilogue): Remove tests for file being
8468         NULL.
8469         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
8470         (cris_delay_slots_for_epilogue): Remove prototypes.
8471         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
8472         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
8473
8474 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
8475
8476         * config/rs6000/predicates.md (branch_comparison_operator): Change
8477         to define_special_predicate.
8478         (scc_comparison_operator): Same.
8479         (branch_positive_comparison_operator): Same.
8480
8481 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
8482
8483         * Makefile.in (tree-ssa-sink.o): New.
8484         (OBJS-common): Add tree-ssa-sink.o.
8485         * common.opt: Add -ftree-sink
8486         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
8487         * timevar.def (TV_TREE_SINK): new timevar.
8488         * tree-flow.h (is_hidden_global_store): Prototype.
8489         * tree-optimize.c (init_tree_optimization_passes): Add
8490         pass_sink_code.
8491         * tree-pass.h (pass_sink_code): New.
8492         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
8493         for non-obvious global store store to is_hidden_global_store, and
8494         call that new function.
8495         * tree-ssa-sink.c: New file.
8496         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
8497         * doc/passes.texi: Document forward store motion.
8498         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
8499         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
8500         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
8501         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
8502
8503 2005-03-01  Per Bothner  <per@bothner.com>
8504
8505         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
8506         and we have a non-zero column-number, add it to the message.
8507         Also factor out the diagnostic_kind_text.
8508
8509 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8510
8511         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
8512         flow_loop_pre_header_scan, flow_loop_pre_header_find,
8513         flow_loop_scan): Removed.
8514         (flow_loop_dump): Do not dump removed fields.
8515         (flow_loop_free): Do not free removed fields.
8516         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
8517         (loop_exit_edge_p): New function.
8518         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
8519         num_pre_header_edges, entry_edges, num_entries, exit_edges,
8520         num_exits, exits_doms.
8521         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
8522         LOOP_EDGES, LOOP_ALL): Removed.
8523         (flow_loop_scan): Declaration removed.
8524         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
8525         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
8526         flow_loops_find.
8527         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
8528         (if_convert): Call flow_loops_find and flow_loops_free
8529         when calling mark_loop_exit_edges.
8530         * cfgloopanal.c (mark_loop_exit_edges): Moved from
8531         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
8532         free_dominance_info calls.
8533         * loop-init.c (flow_loops_find): Ditto.
8534         * passes.c (rest_of_handle_branch_prob): Ditto.
8535         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
8536         * loop-unroll.c (analyze_insns_in_loop): Do not use
8537         EDGE_LOOP_EXIT.
8538         * predict.c (predict_loops): Do not call flow_loop_scan.
8539         Use get_loop_exit_edges.
8540         (tree_estimate_probability): Do not pass flags to flow_loops_find.
8541         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
8542         Do not use EDGE_LOOP_EXIT.
8543         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
8544         to bb_with_exit_edge_p.
8545         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
8546         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
8547         to bb_with_exit_edge_p.
8548         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
8549         EDGE_LOOP_EXIT.
8550         * tree-loop-linear.c (linear_transform_loops): Do not call
8551         flow_loop_scan.  Use loop->single_exit.
8552         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
8553         (vect_analyze_loop_form): Do not call flow_loop_scan.
8554         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
8555         loop->single_exit.
8556         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
8557         loop->single_exit.
8558         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
8559         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
8560         slpeel_tree_duplicate_loop_to_edge_cfg,
8561         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
8562         Use loop_preheader_edge and loop->single_exit.  Do not call
8563         flow_loop_scan.
8564
8565 2005-03-01  Nick Clifton  <nickc@redhat.com>
8566
8567         * config/arm/arm.c (thumb_find_work_register): Check all of the
8568         argument registers to see if they are free, and a couple of
8569         special cases where the last argument register but can be proved
8570         to be available during the function's prologue.
8571         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
8572         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
8573         thumb_unexpanded_epilogue): Use unsigned long as the type for the
8574         register bit-mask.
8575         (thumb_compute_save_reg_mask): Likewise.  Also use
8576         thumb_find_work_register() to ensure that there is agreement about
8577         which work register is going to be used in the prologue.
8578         (thumb_output_function_prologue): Use unsigned long as the type
8579         for the register bit-mask.  Also delay pushing the link register if
8580         other high registers are going to be pushed.
8581         (thumb_compute_save_reg_mask, emit_multi_reg_push,
8582         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
8583         redundant prototypes.
8584
8585 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
8586
8587         PR target/19819
8588         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
8589         and after reload in REG+REG indexed addresses without REG_POINTER
8590         set in the base and not set in the index.
8591
8592 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8593
8594         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
8595         Don't undefine here.
8596         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
8597         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
8598         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8599         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
8600         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
8601         Delete.
8602         * config.gcc (sh*-*-linux*): Use config/linux.h.
8603
8604 2005-02-28  Dale Johannesen  <dalej@apple.com>
8605             Stan Shebs  <shebs@apple.com>
8606
8607         Rewrite of 64-bit Darwin structure-by-value pass/return.
8608         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
8609         intoffset, use_stack, named.
8610         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
8611         (rs6000_darwin64_record_arg_advance_flush):  New.
8612         (rs6000_darwin64_record_arg_advance_recurse): New.
8613         (rs6000_darwin64_record_arg_flush):  New.
8614         (rs6000_darwin64_record_arg_recurse):  New.
8615         (rs6000_darwin64_record_arg):  New.
8616         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
8617         (function_arg_boundary):  Handle 128-bit aligned structs.
8618         (function_arg_advance):  Rewrite darwin64 struct handling.
8619         (function_arg):  Call rs6000_darwin64_record_arg.
8620         (function_arg_partial_nregs):  Handle darwin64 structs.
8621         (rs6000_darwin64_function_value):  Remove.
8622         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
8623
8624 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8625
8626         PR tree-optimization/20216
8627         * tree-chrec.c (tree_fold_factorial): Delete.
8628         (tree_fold_binomial): Change argument list to take a return type
8629         and change the type of K to unsigned int.  Rewrite to avoid explicit
8630         evaluation of factorials, and (recursively) calling fold to perform
8631         compile-time arithmetic.  Return NULL on (internal) overflow.
8632         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
8633         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
8634         if any intermediate calculation overflows.
8635         (chrec_apply): Update call to chrec_evaluate.
8636
8637 2005-02-28  James E Wilson  <wilson@specifixinc.com>
8638
8639         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
8640
8641 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
8642
8643         PR c/20245
8644         * c-parser.c (c_parser_compound_statement): Return error_mark_node
8645         instead of NULL_TREE on error.
8646
8647 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
8648
8649         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
8650         (EASY_VECTOR_15_ADD_SELF): Remove.
8651         (num_insns_constant_wide): Not static.
8652         (validate_condition_mode): Not static.
8653         (toc_relative_expr_p): Not static.
8654         (legitimate_indirect_address_p): Not static.
8655         (macho_lo_sum_memory_operand): Not static.
8656         (invalid_e500_subreg): Not static.
8657         (easy_vector_same): Not static.
8658         (easy_vector_splat_const): Not static.
8659         (RS6000_SYMBOL_REF_TLS_P): Remove.
8660         (any_operand): Delete.
8661         (any_parallel_operand): Delete.
8662         (count_register_operand): Delete.
8663         (altivec_register_operand): Delete.
8664         (xer_operand): Delete.
8665         (s8bit_cint_operand): Delete.
8666         (short_cint_operand): Delete.
8667         (u_short_cint_operand): Delete.
8668         (non_short_cint_operand): Delete.
8669         (exact_log2_cint_operand): Delete.
8670         (gpc_reg_operand): Delete.
8671         (cc_reg_operand): Delete.
8672         (cc_reg_not_cr0_operand): Delete.
8673         (reg_or_short_operand): Delete.
8674         (reg_or_neg_short_operand): Delete.
8675         (reg_or_aligned_short_operand): Delete.
8676         (reg_or_u_short_operand): Delete.
8677         (reg_or_cint_operand): Delete.
8678         (reg_or_arith_cint_operand): Delete.
8679         (reg_or_add_cint64_operand): Delete.
8680         (reg_or_sub_cint64_operand): Delete.
8681         (reg_or_logical_cint_operand): Delete.
8682         (got_operand): Delete.
8683         (got_no_const_operand): Delete.
8684         (easy_fp_constant): Delete.
8685         (easy_vector_constant): Delete.
8686         (easy_vector_constant_add_self): Delete.
8687         (zero_constant): Delete.
8688         (zero_fp_constant): Delete.
8689         (volatile_mem_operand): Delete.
8690         (offsettable_mem_operand): Delete.
8691         (mem_or_easy_const_operand): Delete.
8692         (add_operand): Delete.
8693         (non_add_cint_operand): Delete.
8694         (logical_operand): Delete.
8695         (non_logical_cint_operand): Delete.
8696         (mask_operand): Delete.
8697         (mask_operand_wrap): Delete.
8698         (mask64_operand): Delete.
8699         (mask64_2_operand): Delete.
8700         (and64_operand): Delete.
8701         (and64_2_operand): Delete.
8702         (and_operand): Delete.
8703         (reg_or_mem_operand): Delete.
8704         (lwa_operand): Delete.
8705         (symbol_ref_operand): Delete.
8706         (call_operand): Delete.
8707         (current_file_function_operand): Delete.
8708         (input_operand): Delete.
8709         (rs6000_nonimmediate_operand): Delete.
8710         (rs6000_tls_symbol_ref): Delete.
8711         (save_world_operation): Delete.
8712         (restore_world_operation): Delete.
8713         (load_multiple_operation): Delete.
8714         (store_multiple_operation): Delete.
8715         (vrsave_operation): Delete.
8716         (mfcr_operation): Delete.
8717         (mtcrf_operation): Delete.
8718         (lmw_operation): Delete.
8719         (stmw_operation): Delete.
8720         (branch_comparison_operator): Delete.
8721         (branch_positive_comparison_operator): Delete.
8722         (scc_comparison_operator): Delete.
8723         (trap_comparison_operator): Delete.
8724         (boolean_operator): Delete.
8725         (boolean_or_operator): Delete.
8726         (min_max_operator): Delete.
8727         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
8728         (EASY_VECTOR_15): Moved to here.
8729         (EASY_VECTOR_15_ADD_SELF): Move to here.
8730         (PREDICATE_CODES): Delete.
8731         * config/rs6000/rs6000-protos.h: Delete predicate functions.
8732         Declare functions no longer static.
8733         * config/rs6000/predicates.md: New.
8734         * config/rs6000/rs6000.md: Include predicates.md
8735
8736 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
8737
8738         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
8739         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
8740         REG_ALWAYS_RETURN.
8741         * cfgrtl.c (need_fake_edge_p): Likewise.
8742         * combine.c (distribute_notes): Likewise.
8743         * emit-rtl.c (try_split): Likewise.
8744         * recog.c (peephole2_opimize): Likewise.
8745         * reg-notes.def (ALWAYS_RETURN): Remove.
8746         * rtl.h (LCT_ALWAYS_RETURN): Remove.
8747         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
8748         * tree.h (ECF_ALWAYS_RETURN): Remove.
8749
8750 2005-02-28  Roger Sayle  <roger@eyesopen.com>
8751
8752         PR middle-end/19874
8753         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
8754         between different machine modes is never a "useless" conversion.
8755
8756 2005-02-28  Geert Bosch  <bosch@gnat.com>
8757
8758         PR ada/15977
8759         * doc/contrib.texi: List contributors for Ada front end
8760
8761 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
8762
8763         * simplify-rtx.c (simplify_unary_operation_1,
8764         simplify_const_unary_operation): New, extracted from...
8765         (simplify_unary_operation): ... this one.
8766         (simplify_binary_operation_1,
8767         simplify_const_binary_operation): New, extracted from...
8768         (simplify_binary_operation): ... this one.
8769         * rtl.h (simplify_const_unary_operation,
8770         simplify_const_binary_operation): Add prototypes.
8771
8772 2005-02-28  Julian Brown  <julian@codesourcery.com>
8773
8774         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
8775         building libjava and caused PR regression/20228.
8776
8777 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
8778
8779         PR bootstrap/17383
8780         * Makefile.in (host_subdir): New.
8781         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
8782         * configure: Regenerate.
8783
8784 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
8785
8786         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
8787         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
8788         installation directory first.
8789
8790 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
8791
8792         PR target/19065.
8793         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
8794         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
8795         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
8796         * config/cris/cris.md: Tweak comments referring to Q.
8797         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
8798         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
8799         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
8800         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
8801         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
8802         Insert spaces in constraints to align alternatives vertically for
8803         readability.
8804         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
8805         operand 1: "M".
8806
8807 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8808
8809         PR rtl-optimization/17728
8810         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
8811         operand 0 from general_operand to move_dest_operand.
8812
8813 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8814
8815         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
8816         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
8817         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
8818         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
8819
8820 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
8821
8822         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
8823         * configure: Regenerate.
8824         * libada-mk.in: Remove CC; rename
8825         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
8826
8827 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
8828
8829         PR tree-opt/20188
8830         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
8831         for the lhs, also walk over the tree.  Likewise for rhs.
8832
8833 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
8834
8835         * tree-ssa-dom.c (simple_iv_increment_p): New function.
8836         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
8837         Do not propagate value of iv before increment over the increment.
8838
8839 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
8840
8841         * c-parser.c: New file.
8842         * c-parse.in: Remove.
8843         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
8844         Remove.
8845         (c-parser.o): Add dependencies.
8846         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
8847         maintainer-clean, TAGS): Update.
8848         * c-config-lang.in (gtfiles): Update.
8849         * gengtype-lex.l: Don't handle "@@".
8850         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
8851         objc_build_synchronized, objc_begin_try_stmt,
8852         objc_begin_catch_clause, objc_finish_catch_clause,
8853         objc_build_finally_clause, objc_finish_try_stmt): New.
8854         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
8855         type_seen_p.
8856         (c_parse_init): Update comment.
8857         * c-decl.c (c_init_decl_processing): Update comment.
8858         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
8859         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
8860         new c_declspecs members.
8861
8862 2005-02-25  Julian Brown  <julian@codesourcery.com>
8863
8864         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
8865         from being used for symbols with vague linkage when
8866         HAVE_GAS_COMDAT_GROUP is true.
8867
8868 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8869
8870         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
8871
8872 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
8873
8874         PR target/19930
8875         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
8876         (LIBGCC2_HAS_DF_MODE): New.
8877         (LIBGCC2_HAS_XF_MODE): New.
8878         (LIBGCC2_HAS_TF_MODE): New.
8879         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8880         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8881         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
8882         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
8883         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
8884         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
8885         and add _fixtfdi, _fixunstfdi, _floatditf
8886         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
8887         L_fixunstfdi, L_floatditf.
8888         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
8889         (LIBGCC2_HAS_TF_MODE): Define.
8890
8891 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
8892
8893         PR tree-optimization/20204
8894         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
8895         REWRITE_THIS_STMT markers on PHI nodes.
8896         (rewrite_initialize_block): Likewise.
8897
8898 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
8899
8900         * version.c (version_string): Update to 4.1.
8901
8902 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
8903
8904         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
8905         Clarify that the alternative way doesn't work in GNU C++.
8906
8907 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8908
8909         PR tree-optimization/19937
8910         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
8911         to the type of the induction variable.
8912
8913 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
8914
8915         PR rtl-optimization/20117
8916         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
8917         the block including noncopyable insn.
8918
8919 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
8920
8921         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
8922         calls to find_reg_note.
8923
8924 2005-02-24  Richard Henderson  <rth@redhat.com>
8925
8926         PR tree-opt/20127
8927         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
8928         the type.
8929
8930 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
8931
8932         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
8933         vector types if to use base reg for misaligned non-word ld/std.
8934
8935 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8936
8937         PR target/14619
8938         * config/cris/cris.c (cris_target_asm_function_prologue): Create
8939         dwarf2 label manually and put it after, not before the prologue.
8940
8941 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
8942
8943         PR target/19019
8944         * reload.c (operands_match_p): Only increment register number for
8945         SCALAR_INT_MODE_P modes in multiple hard registers.
8946
8947         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
8948         Fix formatting.
8949
8950 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8951
8952         * ChangeLog.5: Fix log message typo(s).
8953         * ChangeLog.7: Likewise.
8954         * ChangeLog.tree-ssa: Likewise.
8955         * cfgexpand.c: Fix comment typo(s).
8956         * conflict.c: Likewise.
8957         * defaults.h: Likewise.
8958         * dwarf2out.c: Likewise.
8959         * gcse.c: Likewise.
8960         * ggc-page.c: Likewise.
8961         * tree-eh.c: Likewise.
8962         * tree-ssa-dom.c: Likewise.
8963
8964 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
8965
8966         PR target/19019
8967         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
8968         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
8969         if SHARED is defined.
8970
8971         PR target/20196
8972         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
8973         allow splitting only if operands 0 and 3 don't overlap.
8974
8975 2005-02-24  Richard Henderson  <rth@redhat.com>
8976
8977         PR middle-end/19953
8978         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
8979         (fold_builtin_1): Call them.
8980         * fold-const.c (fold_complex_mult_parts): Split out from ...
8981         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
8982         (fold_complex_div_parts, fold_complex_div): New.
8983         (fold): Use them.
8984         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
8985
8986 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8987
8988         * tree-ssa-ccp.c (visit_assignment): Verify that result of
8989         VIEW_CONVERT_EXPR is_gimple_min_invariant.
8990
8991         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
8992         (print_node): Likewise.
8993         Print TYPE_SIZES_GIMPLIFIED.
8994
8995 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
8996
8997         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
8998         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
8999         operands as commutative in constraints.
9000
9001 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
9002
9003         * tree-into-ssa.c: Re-organize internal functions.
9004
9005 2005-02-24  Richard Henderson  <rth@redhat.com>
9006
9007         PR middle-end/18902
9008         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
9009         for c99.
9010         * common.opt (fcx-limited-range): New.
9011         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
9012         * toplev.c (flag_complex_method): Initialize to 1.
9013         (process_options): Set flag_complex_method to 0 if
9014         flag_cx_limited_range.
9015         * doc/invoke.texi (-fcx-limited-range): New.
9016
9017 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
9018
9019         * cse.c (delete_trivially_dead_insns): Speed up by using
9020         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
9021         prev_real_insn.
9022
9023 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
9024
9025         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
9026         functions when -mid-shared-library is being used.
9027
9028 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
9029
9030         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
9031         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
9032         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
9033         * system.h: Poison LINK_LIBGCC_SPECIAL.
9034
9035 2005-02-23  James E Wilson  <wilson@specifixinc.com>
9036
9037         * gengtype.c (note_insn_name): Make 1 element larger.
9038
9039 2005-02-23  Roger Sayle  <roger@eyesopen.com>
9040
9041         PR target/20018
9042         PR rtl-optimization/20097
9043         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
9044         BImode SUBREGs of SImode registers which confuse the ia64 backend.
9045
9046 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
9047
9048         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
9049         * t-aix52 (SHLIB_INSTALL): Same.
9050
9051 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
9052
9053         * genpreds.c: Update copyright.
9054
9055 2005-02-23  Michael Beach  <michaelb@ieee.org>
9056
9057         PR target/20159
9058         * config/sparc/t-elf (startup files): Assemble with CPP.
9059
9060 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
9061
9062         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
9063         (write_predicate_expr): Likewise.
9064
9065 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
9066
9067         PR tree-optimization/20100
9068         PR tree-optimization/20115
9069         * tree-optimize.c (init_tree_optimization_passes): Remove
9070         pass_maybe_create_global_var.
9071         * tree-pass.h (pass_maybe_create_global_var): Remove.
9072         * tree-ssa-alias.c (aliases_computed_p): Declare.
9073         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
9074         (count_calls_and_maybe_create_global_var): Remove.
9075         (pass_maybe_create_global_var): Remove.
9076         (init_alias_info): Do not declare aliases_computed_p.
9077         (maybe_create_global_var): If the function contains no
9078         call-clobbered variables and a mix of pure/const and regular
9079         function calls, create .GLOBAL_VAR.
9080         Mark all call-clobbered variables for renaming.
9081         (merge_pointed_to_info): Update comment.
9082         (add_pointed_to_var): Likewise.
9083         (is_escape_site): Likewise.
9084         Accept struct alias_info * instead of size_t *.
9085         Update all users.
9086         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
9087         as necessary.
9088         * tree-ssa-operands.c (get_call_expr_operands): If
9089         ALIASES_COMPUTED_P is false, do not add call-clobbering
9090         operands.
9091         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
9092         (delete_tree_ssa): Likewise.
9093
9094 2005-02-22  James E Wilson  <wilson@specifixinc.com>
9095
9096         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
9097         (do_compile): Do call it here.
9098
9099 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
9100
9101         PR rtl-optimization/20017.
9102         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
9103         rest_of_handle_cse2, rest_of_handle_gcse): Call
9104         delete_dead_jumptables immediately before calling cleanup_cfg.
9105
9106 2005-02-22  Devang Patel  <dpatel@apple.com>
9107
9108         PR 19952
9109         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
9110         all labels
9111
9112 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
9113
9114         * config/rs6000/aix.h (WINT_TYPE): Define.
9115
9116 2005-02-22  Stan Shebs  <shebs@apple.com>
9117
9118         * config/rs6000/rs6000.c (rs6000_override_options): Default to
9119         natural alignment for 64-bit Darwin.
9120         (rs6000_parse_alignment_option): Warn about uses of -malign-power
9121         on 64-bit Darwin.
9122         * doc/invoke.texi: Document this.
9123
9124 2005-02-22  DJ Delorie  <dj@redhat.com>
9125
9126         * c-common.c (c_common_type_for_mode): Pass the mode's precision
9127         to make_[un]signed_type, not the mode itself.
9128
9129 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
9130
9131         * cfg.c (cached_make_edge): Call make_edge if edge cache is
9132         not available.  Use tail calls wherever possible.
9133         (make_edge): Call unchecked_make_edge to create an edge.
9134
9135         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
9136         (coalesce_ssa_name): Don't check for
9137         SSANORM_USE_COALESCE_LIST.
9138         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
9139
9140 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
9141
9142         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
9143         (rewrite_into_ssa): ... here.
9144
9145 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
9146
9147         PR tree-optimization/19786
9148         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
9149         tag to another's may-alias bitmap when adding to the other's list.
9150
9151 2005-02-21  DJ Delorie  <dj@redhat.com>
9152
9153         * tree-ssa-loop-ivopts.c (computation_cost): Start register
9154         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
9155         registers in unsupported ways.
9156         * expmed.c (init_expmed): Likewise.
9157
9158 2005-02-21  Stan Cox  <scox@redhat.com>
9159
9160         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
9161
9162 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9163
9164         * tree-cfg.c (fold_cond_expr_cond): New.
9165         (make_edges): Call fold_cond_expr_cond.
9166         (find_taken_edge): Accept nothing but INTEGER_CST.
9167         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
9168         and 1.
9169         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
9170
9171         * flow.c (delete_dead_jumptables): Speed up by scanning insns
9172         that do not belong to any basic block.
9173
9174 2005-02-21  Jeff Law  <law@redhat.com>
9175
9176         * cfganal.c (find_unreachable_blocks): Manually CSE load of
9177         e->dest.
9178
9179 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
9180
9181         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
9182         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
9183         Adjust their definitions.
9184         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
9185         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
9186
9187         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
9188         genautomata.c, langhooks.c, langhooks.h, system.h,
9189         config/arm/lib1funcs.asm: Update copyright.
9190
9191 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
9192
9193         * dbxout.c (dbxout_function_end): Emit Lscope label always.
9194
9195 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
9196
9197         PR bootstrap/13770
9198         * doc/install.texi: Document --with-gc.
9199
9200 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
9201
9202         * simplify-rtx.c (simplify_unary_operation): Add a missing
9203         "break" statement.
9204
9205 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9206
9207         PR tree-optimization/18663
9208         * tree-ssa-dom.c (extract_range_from_cond): Return 0
9209         if the type has variable bounds.
9210
9211 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
9212
9213         * gcse.c: Remove an obsolete comment.
9214
9215         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
9216
9217 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
9218
9219         * doc/extend.texi (Function Attributes) <Attribute const>: The
9220         attribute "pure" is below this text, not above.
9221
9222 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9223
9224         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
9225         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
9226         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
9227
9228 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
9229
9230         PR 18785
9231         * langhooks.h (struct lang_hooks): Add to_target_charset.
9232         * langhooks.c (lhd_to_target_charset): New function.
9233         * langhooks-def.h: Declare lhd_to_target_charset.
9234         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
9235         (LANG_HOOKS_INITIALIZER): Update.
9236         * c-common.c (c_common_to_target_charset): New function.
9237         * c-common.h: Declare it.
9238         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
9239         c_common_to_target_charset.
9240
9241         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
9242         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
9243         Delete definitions.
9244         * system.h: Poison them.
9245         * doc/tm.texi: Don't discuss them.
9246         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
9247         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
9248         (pp_c_char): Do not attempt to generate letter escapes for
9249         newline, tab, etc.
9250         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
9251         * config/mips/mips.c (mips_output_ascii): Likewise.
9252
9253 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
9254
9255         PR tree-optimization/19951
9256         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
9257         is abnormal.
9258
9259 2005-02-19  Steven Bosscher  <stevenb@suse.de>
9260
9261         PR middle-end/19698
9262         * function.h (struct function): New field `max_loop_depth'.
9263         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
9264         (flow_loops_find): Reset the max loop depth count before finding loops.
9265         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
9266         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
9267         (calculate_global_regs_live): Make sure the loop will terminate
9268         when the initial sets are not empty.
9269
9270 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
9271
9272         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
9273         object inside.
9274         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
9275
9276 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
9277
9278         PR other/19525
9279         * doc/invoke.texi: Remove documentation of %M spec.
9280         * gcc.c: Likewise.
9281         (init_spec): Remove %M suffix from -lgcc_s.
9282         (do_spec_1): Remove 'M' case.
9283         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
9284         to put shared libraries in the multilib directory.  Remove the
9285         shlib_so_soname substitution variable.  Don't add a multilib encoding
9286         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
9287         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
9288         SHLIB_INSTALL as well as SHLIB_LINK.
9289         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
9290         (SHLIB_NAME): Delete.
9291         (SHLIB_DIR): New macro.
9292         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
9293         (SHLIB_INSTALL): Adjust accordingly.
9294         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
9295         * config/t-slibgcc-sld: Likewise.
9296         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
9297         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
9298         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
9299         in $(SHLIB_DIR).
9300         (SHLIBUNWIND_INSTALL): Adjust accordingly.
9301         * config/i386/t-nwld (SHLIB_SONAME): Delete.
9302         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
9303         Use @shlib_base_name@ instead of @shlib_so_name@.
9304         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
9305         and @shlib_base_name@.so in @multilib_dir@.
9306         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
9307         to the install path.
9308         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
9309         (SHLIB_LINK): Remove previous workaround.
9310         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
9311         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
9312         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
9313         the install path.
9314         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
9315         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
9316         (SHLIB_INSTALL): Adjust accordingly.
9317         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
9318         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
9319         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
9320         config/t-slibgcc-elf-ver.
9321
9322 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
9323             Jakub Jelinek  <jakub@redhat.com>
9324
9325         PR tree-optimization/19828
9326         * tree-ssa-loop-im.c: Add a TODO comment.
9327         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
9328         without side-effects.
9329
9330 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9331
9332         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
9333         call fold_convert.
9334
9335 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
9336
9337         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
9338         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
9339         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
9340         functions.
9341         (ia64_reorg): Delete fixup_errata call.
9342         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
9343         (TARGET_SWITCHES): Delete -mb-step entry.
9344
9345 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
9346
9347         PR c/20043
9348         * c-typeck.c (composite_type): Handle quals in transparent unions.
9349         (type_lists_compatible_p): Likewise.
9350
9351 2005-02-18  Stan Shebs  <shebs@apple.com>
9352
9353         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
9354         expressions in the .literal8 section.
9355
9356 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
9357
9358         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
9359
9360 2005-02-18  Roger Sayle  <roger@eyesopen.com>
9361
9362         * fold-const.c (constant_boolean_node): Always create values of the
9363         specified type, don't bother calling truthvalue_conversion.
9364
9365 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9366
9367         * except.c (output_function_exception_table): Call
9368         assemble_external_libcall (eh_personality_libfunc).
9369
9370 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9371
9372         PR target/19886
9373         * config/ia64/ia64.h (struct machine_function): Add state_num.
9374         * config/ia64/ia64.c (process_epilogue,
9375         process_for_unwind_directive): Use new unwind state numbers each
9376         time rather than state 1.
9377
9378 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
9379
9380         PR target/20054
9381         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
9382         before the "*llgt_didi" pattern.
9383
9384 2005-02-18  Jason Merrill  <jason@redhat.com>
9385
9386         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
9387
9388 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
9389
9390         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
9391         (div0): Use it in place of ARM_FUNC_ALIAS.
9392         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
9393
9394 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
9395
9396         PR middle-end/20030
9397         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
9398         access, the lower bound of the array type if it exists.
9399
9400 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
9401
9402         PR c++/20008
9403         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
9404         cases that are out-of-range for the index type.
9405
9406 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
9407
9408         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
9409         (estimate_case_costs): Don't call convert.
9410         * expmed.c (expand_shift): Likewise.
9411         (make_tree): Call fold_convert instead of convert.
9412
9413 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9414
9415         PR c++/19813
9416         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
9417         that ref to be marked MEM_READONLY_P doesn't have base that needs
9418         constructing.
9419
9420 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
9421
9422         * genautomata.c (output_get_cpu_unit_code_func,
9423         output_cpu_unit_reservation_p): Don't generate old-style function
9424         definitions.
9425
9426 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
9427
9428         PR c++/20023
9429         PR tree-optimization/20009
9430         * convert.c (convert_to_integer): Revert 2005-02-16 change.
9431
9432         PR tree-optimization/18947
9433         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
9434         inline, remove all nodes that are inlined into the extern inline
9435         being redefined.
9436
9437 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9438
9439         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
9440         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
9441         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
9442         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
9443         Update copyright.
9444
9445 2005-02-17  Roger Sayle  <roger@eyesopen.com>
9446
9447         PR tree-optimization/19917
9448         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
9449         to be potentially trapping.
9450
9451 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
9452
9453         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
9454
9455 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9456
9457         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
9458         tem becomes a local variable which is set to the value of the
9459         back end defined INITIAL_FRAME_ADDRESS macro.
9460         (expand_builtin_frame_address): Omit the base parameter to
9461         expand_builtin_return_addr.
9462         (expand_builtin_profile_func): Likewise.
9463         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
9464         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
9465         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
9466
9467 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
9468
9469         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
9470         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
9471         * config/frv/frv.c (frv_function_epilogue): Likewise.
9472
9473 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
9474
9475         * lambda-code (perfect_nestify): Remove mark/unmark
9476         for rewriting hack.
9477         * tree-loop-linear.c (linear_transform_loops): Add
9478         rewrite_into_ssa call so that ssa is correct for
9479         rewriting into loop closed.
9480
9481 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
9482
9483         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
9484         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
9485         BITMAP_FREE.
9486         * bt-load.c (btr_def_live_range, combine_btr_defs,
9487         migrate_btr_def, migrate_btr_defs): Likewise.
9488         * cfgcleanup.c (thread_jump): Likewise.
9489         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
9490         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
9491         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
9492         df_rd_local_compute, df_reg_info_compute): Likewise.
9493         * dominance.c (init_dom_info, free_dom_info): Likewise.
9494         * flow.c (init_propagate_block_info,
9495         free_propagate_block_info): Likewise.
9496         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
9497         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
9498         modify_reg_pav): Likewise.
9499         * loop-invariant.c (find_defs, find_invariant_insn,
9500         find_invariants, free_inv_motion_data): Likewise.
9501         * predict.c (tree_predict_by_opcode,
9502         estimate_bb_frequencies): Likewise.
9503         * stmt.c (expand_case): Likewise.
9504         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
9505         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
9506         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
9507         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
9508         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
9509         rewrite_ssa_into_ssa): Likewise.
9510         * tree-optimize.c (tree_rest_of_compilation): Likewise.
9511         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
9512         analyze_edges_for_bb, perform_edge_inserts): Likewise.
9513         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
9514         * tree-sra.c (tree_sra): Likewise.
9515         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
9516         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9517         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
9518         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
9519         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
9520         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
9521         Likewise.
9522         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
9523         calculate_live_on_entry, calculate_live_on_exit,
9524         build_tree_conflict_graph): Likewise.
9525         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
9526         record_important_candidates, set_use_iv_cost, find_depends,
9527         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
9528         tree_ssa_iv_optimize_finalize): Likewise.
9529         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
9530         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
9531         tree_duplicate_loop_to_header_edge): Likewise.
9532         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
9533         * tree-ssa.c (verify_flow_insensitive_alias_info,
9534         verify_name_tags, verify_ssa, init_tree_ssa,
9535         delete_tree_ssa): Likewise.
9536         * tree-ssanames.c (marked_ssa_names, init_ssanames,
9537         fini_ssanames): Likewise.
9538         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
9539
9540 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
9541
9542         * config/rs6000/t-rtems: Completely reworked.
9543
9544 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9545
9546         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
9547
9548 2005-02-17  Ira Rosen  <irar@il.ibm.com>
9549
9550         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
9551         POINTER_TYPE_P when checking that type is a pointer.
9552         (vect_get_memtag): Remove.
9553         (vect_address_analysis): Use POINTER_TYPE_P. Call
9554         vect_object_analysis with dummy parameter for memtag.
9555         (vect_object_analysis): Extract memtag (functionality that
9556         used to be in vect_get_memtag and moved here). Fix printings.
9557         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
9558         with correct parameters. Remove call to vect_get_memtag.
9559
9560 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
9561
9562         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
9563         (tree-vectorizer.o): Added missing dependencies.
9564
9565         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
9566         decleration.
9567         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
9568         declaration in tree-vectorizer.c, now has an extern declaration in
9569         tree-vectorizer.h).
9570         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9571         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9572         get_vectype_for_scalar_type, vect_is_simple_use,
9573         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9574         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
9575         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
9576         vectorizable_store, vectorizable_operation, vectorizable_assignment,
9577         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
9578         find_loop_location): Likewise.
9579
9580         * tree-vectorizer.c (langhooks.h): #include removed.
9581         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
9582         moved to tree-vectorized.h.
9583         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
9584         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
9585         get_vectype_for_scalar_type, vect_is_simple_use,
9586         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
9587         vect_supportable_dr_alignment, new_loop_vec_info,
9588         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
9589         vect_set_verbosity_level, find_loop_location): Likewise.
9590
9591         (vect_analyze_loop): Function externalized. Declaration moved to
9592         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
9593         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
9594         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
9595         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
9596         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
9597         vect_enhance_data_refs_alignment, vect_analyze_operations,
9598         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
9599         vect_stmt_relevant_p, vect_get_loop_niters,
9600         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
9601         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
9602         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
9603         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
9604         vect_get_memtag): Likewise.
9605
9606         (vectorizable_load): Function externalized. Declaration moved to
9607         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
9608         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
9609         vect_transform_loop): Likewise.
9610         (vect_transform_stmt): Moved to tree-vect-transform.c.
9611         (vect_align_data_ref, vect_create_destination_var,
9612         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
9613         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
9614         vect_get_vec_def_for_operand, vect_init_vector,
9615         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
9616         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
9617         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
9618         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
9619         vect_do_peeling_for_loop_bound): Likewise.
9620
9621         * tree-vect-analyze.c: New file.
9622         * tree-vect-transform.c: New file.
9623
9624 2005-02-17  Jason Merrill  <jason@redhat.com>
9625
9626         PR mudflap/19319, c++/19317
9627         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
9628         slot explicit.
9629
9630 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
9631
9632         * doc/install.texi (Specific): Update link for Darwin-specific
9633         tool binary site.
9634
9635 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
9636
9637         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
9638         constant_boolean_node.
9639
9640 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
9641
9642         PR target/19019
9643         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
9644         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
9645
9646 2005-02-16  Richard Henderson  <rth@redhat.com>
9647
9648         PR 19920
9649         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
9650         with W_TYPE_SIZE.
9651         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
9652         replace uses with Wtype_MAXp1_F.
9653         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
9654         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
9655         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
9656         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
9657         and HAVE_TFMODE as appropriate.
9658         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
9659         (__floatdisf): Likewise.
9660         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
9661         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
9662         (Wtype_MAXp1_F): New.
9663         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
9664         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
9665
9666 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
9667
9668         * PR target/19162
9669         * arm.c (arm_apply_result_size): New function.
9670         * arm.h (APPLY_RESULT_SIZE): Define.
9671         * arm-protos.h (arm_apply_result_size): Add prototype.
9672         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
9673         (movxf): New expand.
9674         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
9675         (call_value_symbol): Remove predicate for operand 0.
9676         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
9677         (untyped_call): Rework to correclty return values for any type.
9678         (untyped_return): New expand.
9679         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
9680
9681 2005-02-16  Stan Shebs  <shebs@apple.com>
9682
9683         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
9684         * config/rs6000/t-darwin8: New, for 64-bit multilib.
9685
9686 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9687
9688         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
9689         configure settings on Solaris 7 and later.
9690
9691 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
9692
9693         PR tree-optimization/19865
9694         * tree-optimize.c (init_tree_optimization_passes): Run
9695         pass_may_alias after pass_sra.
9696
9697 2005-02-16  Richard Henderson  <rth@redhat.com>
9698             Stuart Hastings  <stuart@apple.com>
9699
9700         PR debug/19521
9701         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
9702         Do nothing if debug info suppressed for this function.
9703         (dbxout_begin_function): Early exit if debug info suppressed for
9704         this function.
9705
9706 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
9707
9708         PR target/20007
9709         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
9710         find_basic_blocks.
9711         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9712
9713         PR tree-optimization/19967
9714         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
9715         expand_builtin_strchr, expand_builtin_strrchr): Take a new
9716         argument TYPE.  Adjust calls to fold_builtin_XXX.
9717         (expand_builtin, fold_builtin_1): Adjust calls to
9718         expand_builtin_XXX.
9719         (fold_builtin_strchr, fold_builtin_strpbrk,
9720         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
9721         result to a requested type TYPE.
9722
9723 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
9724
9725         PR middle-end/19857
9726         * fold-const.c (fold): Don't optimize (T)(x & cst) to
9727         (T)x & (T)cst if (T)cst overflows.
9728         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
9729         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
9730
9731 2005-02-15  Jeff Law  <law@redhat.com>
9732
9733         * gcse.c (blocks_with_calls): New bitmap.
9734         (alloc_gcse_mem): Allocate it.
9735         (free_gcse_mem): Free it.
9736         (clear_modifY_mem_tables): Clear it.
9737         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
9738         when we encounter CALL_INSNs.
9739         (compute_transp, case MEM): Handle blocks with calls separate
9740         from blocks without calls.  Use bitmap iterators rather than
9741         FOR_EACH_BB.
9742
9743 2005-02-15  Peter O'Gorman  <peter@pogma.com>
9744
9745         PR bootstrap/18810
9746         * mklibgcc.in (vis_hide): Use a temporary object file, not
9747         -o /dev/null.
9748
9749 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9750
9751         PR target/19924
9752         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
9753         access optimization.
9754
9755 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
9756             Alan Modra  <amodra@bigpond.net.au>
9757
9758         PR target/19019
9759         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
9760         (_xlqsub): Rename to __gcc_qsub.
9761         (_xlqmul): Rename to __gcc_qmul.
9762         (_xlqdiv): Rename to __gcc_qdiv.
9763         Provide versioned symbol aliases with old names.
9764         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
9765         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
9766         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
9767         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
9768         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
9769
9770 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9771
9772         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
9773         Fold ~(A - 1) and ~(A + -1) to -A.
9774
9775 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
9776
9777         PR pch/14940
9778         PR target/19300
9779         * config/host-linux.c (linux_gt_pch_use_address): Copy from
9780         config/pa/pa-host.c:pa_gt_pch_use_address.
9781
9782 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
9783
9784         * tree-vn.c (get_value_handle): Make sure that given an
9785         is_gimple_min_invariant expression, we always return it.
9786
9787 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9788
9789         * passes.c (rest_of_handle_gcse): Fix a comment.
9790
9791 2005-02-15  Jeff Law  <law@redhat.com>
9792
9793         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
9794         bitmap.
9795         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
9796         (canon_list_insert, record_last_mem_set_info): Similarly.
9797         (clear_modify_mem_tables): Similarly.
9798
9799 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
9800
9801         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
9802         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
9803         config/mips/mips.md, config/rs6000/aix.h,
9804         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
9805
9806 2005-02-15  Richard Henderson  <rth@redhat.com>
9807
9808         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
9809         call to be best_edge.
9810
9811 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9812
9813         * basic-block.h: Adjust the prototype for find_basic_blocks.
9814         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
9815         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
9816         find_basic_blocks.
9817
9818         * flow.c (recompute_reg_usage): Remove all arguments.
9819         * passes.c (rest_of_compilation): Adjust the call to
9820         recompute_reg_usage.
9821         * rtl.h: Adjust the prototype for recompute_reg_usage.
9822
9823 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
9824
9825         * tree-dump.c (dump_files): Update to reflect new member
9826         of dump_file_info.
9827         (dump_register): Add new argument.
9828         Set glob name.
9829         (dump_switch_p_1): Check against glob name if doglob was passed.
9830         (dump_switch_p): Check against regular first, then glob if
9831         we didn't have any hits on the dump name.
9832         * tree-optimize.c (register_one_dump_file):
9833         Pass in glob name as well.
9834         * tree-pass.h (struct dump_file_info): Add glob
9835         member.
9836
9837 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
9838
9839         PR preprocessor/16323
9840         * doc/invoke.texi: Document that -Wendif-labels is on by default.
9841
9842 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
9843
9844         PR target/19019
9845         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
9846         (trunctfdf2_internal1): New.
9847         (trunctfdf2_internal2): Renamed from trunctfdf2.
9848
9849 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
9850
9851         PR tree-optimization/19853
9852         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
9853
9854 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
9855
9856         * passes.c (rest_of_handle_loop_optimize): Remove calls to
9857         delete_dead_jumptables and cleanup_cfg.
9858
9859 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
9860
9861         * reload.c (find_reloads): Swap address_reloaded flags when
9862         swapping commutative operands.
9863
9864 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
9865
9866         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
9867         Use standard_iv_increment_position for computing the bsi position
9868         for create_iv.
9869         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
9870         the bsi position.
9871
9872 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
9873
9874         PR target/17428
9875         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
9876         life range of hard registers.
9877         * value-prof.c (insn_prefetch_values_to_profile): Only
9878         scan normal insns.
9879
9880         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
9881         profile in libcalls.
9882
9883 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
9884
9885         * bitmap.h (bitmap_and_compl_into): Return bool.
9886         * bitmap.c (bitmap_and_compl_into): Return changed flag.
9887
9888 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9889
9890         PR tree-optimization/19944
9891         * fold-const.c (fold): Re-add ABS_EXPR folding.
9892
9893 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
9894
9895         PR target/19019
9896         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
9897         {TARGET,MASK}_XL_COMPAT.
9898         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
9899         MASK_XL_COMPAT.
9900         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
9901         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
9902         TARGET_XL_COMPAT.
9903         (rs6000_arg_partial_bytes): Same.
9904         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
9905         and XL compatibility enabled.
9906         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
9907         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
9908         test to final condition.
9909         (cmptf_internal2): New.
9910         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
9911         xl-compat.  Add TFmode information to description.
9912
9913 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
9914
9915         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
9916
9917 2005-02-13  Jason Merrill  <jason@redhat.com>
9918
9919         PR c++/16405
9920         * fold-const.c (fold_indirect_ref_1): Split out from...
9921         (build_fold_indirect_ref): Here.
9922         (fold_indirect_ref): New fn.
9923         * tree.h: Declare it.
9924         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
9925         (gimplify_modify_expr_rhs): Likewise.
9926         (gimplify_expr): Likewise.
9927
9928 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
9929
9930         PR tree-optimization/14303
9931         PR tree-optimization/15784
9932         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
9933         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
9934         ABS_EXPR<x> != 0 to x != 0.
9935
9936 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
9937
9938         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
9939         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
9940         spelling conventions.
9941
9942         * passes.c (rest_of_handle_gcse): Don't run cse_main and
9943         delete_trivially_dead_insns too many times.
9944
9945         * passes.c (rest_of_handle_gcse): Remove dead assignments to
9946         tem and tem2.
9947
9948 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9949
9950         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
9951         (vect_is_simple_iv_evolution): Remove redundant parameter
9952         and step check.
9953         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
9954         without last parameter.
9955         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
9956         Return pointer step. Call vect_is_simple_iv_evolution without
9957         last parameter. Check only that the step is multiple of size
9958         type. Remove stmt_vinfo updates.
9959         (vect_get_memtag_and_dr): Remove.
9960         (vect_get_memtag): New function.
9961         (vect_address_analysis): New function.
9962         (vect_object_analysis): New function.
9963         (vect_analyze_data_refs): Call vect_object_analysis and
9964         vect_get_memtag. Update stmt_vinfo fields.
9965
9966 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9967
9968         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
9969         exist and are objects. Remove checks for pointer.
9970         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
9971         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
9972         (vect_create_data_ref_ptr): Likewise.
9973         (vect_base_addr_differ_p): New function.
9974         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
9975         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
9976         Don't set the DR_BASE_NAME field of data-ref.
9977         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
9978
9979 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
9980
9981         * optabs.h (enum optab_index): Add new OTI_ldexp.
9982         (ldexp_optab): Define corresponding macro.
9983         * optabs.c (init_optabs): Initialize ldexp_optab.
9984         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
9985         patterns.
9986         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
9987         using ldexp_optab.
9988         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
9989         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
9990
9991         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
9992         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
9993         intrinsics.
9994
9995 2005-02-12  Ira Rosen  <irar@il.ibm.com>
9996
9997         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
9998         to base_address.
9999         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
10000         stmt_vec_info.
10001         (vect_get_base_and_offset): Always return an address.
10002         (vect_create_addr_base_for_vector_ref): Remove treatment for
10003         different data reference types.
10004         (vect_compute_data_ref_alignment): Rename base to base_address in
10005         stmt_vec_info. Get the object in order to force its alignment.
10006         (vect_get_memtag_and_dr): Rename base to base_address in
10007         stmt_vec_info. Extract the object for memtag analysis.
10008
10009 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
10010
10011         PR regression/19898.
10012         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
10013         changes cc_status, use apply modified_in_p to part of cc_status
10014         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
10015         body.
10016
10017 2005-02-11  Richard Henderson  <rth@redhat.com>
10018
10019         * tree-complex.c (expand_complex_libcall): New.
10020         (expand_complex_multiplication): Use it for c99 compliance.
10021         (expand_complex_division): Likewise.
10022         * fold-const.c (fold_complex_add, fold_complex_mult): New.
10023         (fold): Call them.
10024         * builtins.c (built_in_names): Remove const.
10025         * tree.c (build_common_builtin_nodes): Build complex arithmetic
10026         builtins.
10027         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
10028         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
10029         (built_in_names): Remove const.
10030         * c-common.c (c_common_type_for_mode): Handle complex modes.
10031         * flags.h, toplev.c (flag_complex_method): Rename from
10032         flag_complex_divide_method.
10033         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
10034         __mulsc3, __muldc3, __mulxc3, __multc3): New.
10035         * libgcc2.h: Declare them.
10036         * libgcc-std.ver: Export them.
10037         * mklibgcc.in (lib2funcs): Build them.
10038
10039 2005-02-11  Steven Bosscher  <stevenb@suse.de>
10040
10041         PR tree-optimization/19876
10042         Partially revert my change from 2005-01-14
10043         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
10044         (compute_antic): ...and remove the loop here.
10045
10046 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
10047
10048         PR middle-end/19858
10049         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
10050         is number of inner's bits, avoid creating a BIT_FIELD_REF.
10051
10052         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
10053         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
10054
10055 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
10056
10057         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
10058         offsets for the big-endian 32-bit case.
10059
10060 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
10061
10062         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
10063
10064 2005-02-11  Dale Johannesen  <dalej@apple.com>
10065
10066         * cselib.c (cselib_process_insn):  Clear out regs where
10067         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
10068         * reload.c (find_equiv_reg): Ditto.
10069
10070 2005-02-11  Ian Lance Taylor  <ian@airs.com>
10071
10072         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
10073         with no elements.
10074
10075         * tree.c (build_function_type_list): Work correctly if there are
10076         no arguments.
10077
10078 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
10079
10080         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
10081         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
10082         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
10083         TARGET_ZARCH instead of TARGET_64BIT.
10084
10085 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
10086
10087         * config/rs6000/t-rtems:
10088         (MULTILIB_OPTIONS): Remove mcpu=602.
10089         (MUTLILIB_DIRNAMES): Remove m602.
10090         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
10091         Let mcpu=602 match mcpu=603.
10092         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
10093
10094 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10095
10096         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
10097         signal trampolines.
10098
10099 2005-02-10  David Daney  <ddaney@avtrex.com>
10100
10101         * config/alpha/linux-unwind.h: Add exception clause to copyright.
10102         * config/i386/linux-unwind.h: Likewise.
10103         * config/ia64/linux-unwind.h: Likewise.
10104         * config/mips/linux-unwind.h: Likewise.
10105         * config/pa/linux-unwind.h: Likewise.
10106         * config/rs6000/linux-unwind.h: Likewise.
10107         * config/s390/linux-unwind.h: Likewise.
10108         * config/sh/linux-unwind.h: Likewise.
10109         * config/sparc/linux-unwind.h: Likewise.
10110
10111 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10112
10113         PR tree-optimization/17549
10114         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
10115         TER to replace a DEF with its expression if the DEF and the
10116         rhs of the expression we replace into have the same root
10117         variable.
10118
10119 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
10120
10121         * config/mips/mips.md: Fix the placement of the match_scratch in the
10122         lea64 peephole2.
10123
10124 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10125
10126         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
10127         Fix comment typos.
10128
10129 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
10130
10131         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
10132         (strip_offset): Handle addresses.
10133         (add_address_candidates): Use strip_offset.
10134         (difference_cost): Reflect strip_offset change.
10135         (force_var_cost, difference_cost): Strip nops.
10136
10137 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
10138
10139         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
10140
10141         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
10142         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
10143         config/cris/cris-protos.h, config/cris/cris.c: Update
10144         copyright.
10145
10146 2005-02-10  Jeff Law  <law@redhat.com>
10147
10148         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
10149         (lookup_avail_expr): Similarly.
10150
10151 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
10152
10153         * builtins.c (fold_builtin_powi): New function.
10154         (fold_builtin_1): Call it.
10155
10156 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10157
10158         PR documentation/19309
10159         * doc/cpp.texi: The __GNUC__ and related predefined macros
10160         are also defined for the "standalone" cpp.
10161         Some non-GCC compilers may also define __GNUC__.
10162
10163 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
10164
10165         PR c/19342
10166         * c-typeck.c (common_type): New routine.  Old common_type renamed
10167         to...
10168         (c_common_type): ...this.
10169         (build_conditional_expr, build_binary_op): Use c_common_type instead
10170         of common_type.
10171
10172 2005-02-10  Steven Bosscher  <stevenb@suse.de>
10173
10174         * doc/md.texi: Replace @samp{length} with @code{length}.
10175
10176 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10177
10178         PR tree-optimization/18687
10179         * tree-flow.h (find_loop_niter): Declare.
10180         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
10181         Try using scev even for loops with more than one exit.
10182         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
10183         (struct ivopts_data): Added niters field.
10184         (struct nfe_cache_elt): New.
10185         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
10186         functions.
10187         (tree_ssa_iv_optimize_init): Initialize niters cache.
10188         (determine_number_of_iterations): Removed.
10189         (find_induction_variables): Do not call determine_number_of_iterations.
10190         Access niters for single exit through niter_for_single_dom_exit.
10191         (add_iv_outer_candidates): Access niters for single exit through
10192         niter_for_single_dom_exit.
10193         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
10194         number_of_iterations_cond.
10195         (iv_period): New function.
10196         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
10197         (may_replace_final_value): Take data argument.  Use
10198         niter_for_single_dom_exit.
10199         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
10200         (rewrite_use_compare): Pass data to may_eliminate_iv.
10201         (rewrite_use_outer): Pass data to may_replace_final_value.
10202         (free_loop_data): Clean up the niters cache.
10203         (tree_ssa_iv_optimize_finalize): Free the niters cache.
10204         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
10205         * tree-ssa-loop-niter.c (find_loop_niter): New function.
10206         (find_loop_niter_by_eval): Use tree_int_cst_lt.
10207         (num_ending_zeros): Moved to tree.c.
10208         * tree.h (num_ending_zeros): Declare.
10209         * tree.c (num_ending_zeros): Moved from tree.c.
10210
10211 2005-02-09  Richard Henderson  <rth@redhat.com>
10212
10213         * builtins.c (DEF_BUILTIN): Add COND argument.
10214         * tree.h (DEF_BUILTIN): Likewise.
10215         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
10216         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
10217         match.
10218         (DEF_BUILTIN_STUB): New.
10219         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
10220         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
10221         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
10222         * c-common.c (DEF_BUILTIN): Add COND argument.
10223         * tree.c (local_define_builtin): New.
10224         (build_common_builtin_nodes): New.
10225
10226 2005-02-09  Roger Sayle  <roger@eyesopen.com>
10227
10228         * fold-const.c (fold_strip_sign_ops): New function to simplify a
10229         floating point expression ignoring the sign of the result.
10230         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
10231         (fold) <MULT_EXPR>: Use it to simplify x*x.
10232         * tree.h (fold_strip_sign_ops): Prototype here.
10233         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
10234         argument.  Use fold_strip_sign_ops to simplify the first argument.
10235         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
10236         first argument when the second argument is an even integer
10237         constant, but only with -funsafe_math_optimizations.
10238         (fold_builtin_1): Update call to fold_builtin_copysign.
10239
10240 2005-02-09  Ian Lance Taylor  <ian@airs.com>
10241
10242         PR middle-end/19583
10243         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
10244         just check whether EH_FILTER_FAILURE falls through.
10245
10246 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
10247
10248         * gcc/haifa-sched.c (schedule_block): Make queued sched group
10249         insns return to ready list in the next turn.
10250
10251 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
10252
10253         PR middle-end/19402
10254         * builtins.def: New __builtin_powi[lf].
10255         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
10256         (expand_builtin_powi): New function.
10257         (expand_builtin): Dispatch to expand_builtin_powi.
10258         * libgcc2.h: Add prototypes for __builtin_powi[lf].
10259         * libgcc2.c: Add __builtin_powi[lf] implementation.
10260         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
10261         * optabs.h: Add powi_optab.
10262         * optabs.c (init_optabs): Initialize powi_optab.
10263         * doc/extend.texi: Document __builtin_powi[lf].
10264
10265 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
10266
10267         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
10268         exists.
10269
10270 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
10271
10272         PR middle-end/19854
10273         * fold-const.c (try_move_mult_to_index): Remove redundant
10274         type argument.  Create ADDR_EXPR with correct type.
10275         (fold): Update callers of try_move_mult_to_index.  Convert
10276         result to the appropriate type.
10277
10278 2005-02-09  Roger Sayle  <roger@eyesopen.com>
10279
10280         PR target/19597
10281         * config/avr/avr.c (default_rtx_costs): Delete.
10282         (avr_operand_rtx_cost): New function.
10283         (avr_rtx_costs): Completely rewrite.
10284
10285 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
10286
10287         PR target/19806
10288         * config/cris/cris.c (in_code): New variable.
10289         (cris_output_addr_const): Now a static function, a wrapper for
10290         output_addr_const.
10291         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
10292         case from old cris_output_addr_const.
10293         (cris_asm_output_label_ref): Similar for LABEL_REF.
10294         (cris_output_addr_const_extra): Similar for UNSPEC.
10295         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
10296         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
10297         * config/cris/cris-protos.h (cris_output_addr_const): Remove
10298         declaration.
10299         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
10300         (cris_asm_output_label_ref): Declare.
10301
10302 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
10303
10304         PR preprocessor/19801
10305         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
10306         filenames that changed when libcpp was moved to the toplevel.
10307
10308 2005-02-07  Roger Sayle  <roger@eyesopen.com>
10309
10310         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10311         zero extensions of BImode operands.  Call lowpart_subreg instead
10312         of gen_lowpart_common and gen_lowpart_SUBREG.
10313
10314 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
10315
10316         PR ada/19489
10317         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
10318         * configure.ac: Set cc_for_cross_gnattools.
10319         * configure: Regenerate.
10320
10321 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
10322
10323         PR target/19803
10324         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
10325
10326 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10327
10328         PR debug/19327
10329         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
10330         of nested functions.
10331
10332 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
10333
10334         * doc/extend.texi: Document deprecated extensions allowing
10335         static floating-point members to have initializers and allowing
10336         floating-point literals in integral constant expressions.
10337
10338 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
10339
10340         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
10341         config/darwin7.h, config/mips/mips.c,
10342         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
10343         Update copyright.
10344
10345         * cse.c: Update comments.
10346
10347 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
10348
10349         PR middle-end/19775
10350         * builtins.c (fold_builtin_sqrt): Transform
10351         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
10352         pow(x,y*0.5).
10353
10354 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
10355             Dorit Naishlos  <dorit@il.ibm.com>
10356
10357         * doc/invoke.texi (ftree-vectorizer-verbose): New.
10358         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
10359         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
10360         was added.
10361         * tree.h (vect_set_verbosity_level): New extern function declaration
10362         added.
10363         * tree-vectorizer.h (verbosity_levels): New enum type.
10364         * tree-vectorizer.c (vect_debug_stats): Function removed.
10365         (vect_debug_details): Likewise.
10366         (vect_verbosity_level): Global variable was defined and initialized.
10367         (vect_dump): Global variable definition.
10368         (vect_print_dump_info): New function.
10369         (vect_set_dump_settings): New function.
10370         (vect_set_verbosity_level): New function.
10371         (vectorize_loops): Add call to vect_set_dump_settings.
10372
10373         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
10374         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10375         (slpeel_tree_peel_loop_to_edge): Likewise.
10376
10377         (vect_analyze_offset_expr): Call to vect_print_dump_info with
10378         appropriate verbosity level instead of call to vect_debug_details
10379         or vect_debug_stats.
10380         (vect_get_base_and_offset):
10381         (vect_create_addr_base_for_vector_ref):
10382         (get_vectype_for_scalar_type):
10383         (vect_create_data_ref_ptr):
10384         (vect_init_vector):
10385         (vect_get_vec_def_for_operand):
10386         (vect_finish_stmt_generation):
10387         (vectorizable_assignment):
10388         (vectorizable_operation):
10389         (vectorizable_store):
10390         (vectorizable_load):
10391         (vect_transform_stmt):
10392         (vect_update_ivs_after_vectorizer):
10393         (vect_do_peeling_for_loop_bound):
10394         (vect_update_inits_of_drs):
10395         (vect_do_peeling_for_alignment):
10396         (vect_transform_loop):
10397         (vect_is_simple_use):
10398         (vect_analyze_operations):
10399         (vect_is_simple_iv_evolution):
10400         (vect_analyze_scalar_cycles):
10401         (vect_analyze_data_ref_dependence):
10402         (vect_analyze_data_ref_dependences):
10403         (vect_compute_data_ref_alignment):
10404         (vect_enhance_data_refs_alignment):
10405         (vect_analyze_data_refs_alignment):
10406         (vect_analyze_data_ref_access):
10407         (vect_analyze_data_ref_accesses):
10408         (vect_analyze_pointer_ref_access):
10409         (vect_get_memtag_and_dr):
10410         (vect_analyze_data_refs):
10411         (vect_mark_relevant):
10412         (vect_stmt_relevant_p):
10413         (vect_mark_stmts_to_be_vectorized):
10414         (vect_can_advance_ivs_p):
10415         (vect_get_loop_niters):
10416         (vect_analyze_loop_form):
10417         (vect_analyze_loop):
10418         (vectorize_loops): Likewise.
10419
10420         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
10421         (vect_update_inits_of_drs):
10422         (vect_do_peeling_for_alignment):
10423         (vect_transform_loop):
10424         (vect_analyze_operations):
10425         (vect_analyze_scalar_cycles):
10426         (vect_analyze_data_ref_dependences):
10427         (vect_analyze_data_refs_alignment):
10428         (vect_analyze_data_ref_accesses):
10429         (vect_analyze_data_refs):
10430         (vect_mark_stmts_to_be_vectorized):
10431         (vect_get_loop_niters):
10432         (vect_analyze_loop_form):
10433         (vect_analyze_loop): Likewise.
10434         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
10435
10436 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
10437
10438         PR bootstrap/19796
10439         Revert:
10440         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
10441         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
10442         either -ffast-math or -funsafe-math-optimizations is in use.
10443
10444         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
10445         * config/mips/irix-csr.c: New file.
10446         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
10447         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
10448         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
10449         executables.
10450
10451 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
10452
10453         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
10454         redundant, incorrect definitions.
10455
10456         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
10457         expand.
10458         ("*tls_indirect_call"): New, reference hard regs directly.
10459         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
10460
10461 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10462
10463         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
10464         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
10465
10466 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10467
10468         PR rtl-optimization/19800
10469         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
10470         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
10471         gen_lowpart.
10472
10473 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
10474
10475         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
10476
10477 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
10478
10479         PR other/17135
10480         * doc/invoke.texi: Correct documentation of -freorder-functions.
10481
10482 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10483
10484         PR other/14402
10485         * doc/invoke.texi: Don't mention gccbug.
10486
10487 2005-02-06  Roger Sayle  <roger@eyesopen.com>
10488             Andrew Pinski  <pinskia@physics.uc.edu>
10489             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
10490
10491         * simplify-rtx.c (simplify_relational_operation_1): Simplify
10492         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
10493         into just (zero_extract:SI FOO (const_int 1) BAR).
10494
10495 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10496
10497         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
10498         macro locally.  Don't give last revision date.  Use GCC version
10499         number from gcc-common.texi.
10500         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
10501         revision date.  Use GCC version number from gcc-common.texi.
10502         Describe being a library as current state rather than as 3.x
10503         history.
10504         * doc/gcc.texi: Remove last update date.
10505         * doc/gccint.texi: Likewise.  Update copyright dates.
10506         * doc/install.texi: Update copyright dates.
10507
10508 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
10509
10510         PR other/7549
10511         * doc/invoke.texi: Mention for each option included in -Wall that
10512         it is included in -Wall.
10513         * doc/gcc.texi: Update copyright and last modification date.
10514
10515 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10516
10517         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
10518         unnecessary cast to original induction variable increments.
10519
10520 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
10521
10522         PR tree-optimization/18219
10523         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
10524         in distributed form.
10525
10526 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
10527
10528         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
10529         Set bitpos and offset later in the function.  Do nothing if the
10530         target is a register and if the bitfield lies completely outside
10531         that register.
10532         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
10533         here.  Return an uninitialised register if the source value is stored
10534         in a register and the bitfield lies completely outside that register.
10535
10536 2005-02-06  Steven Bosscher  <stevenb@suse.de>
10537
10538         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
10539         not SET_DEST.
10540
10541 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
10542
10543         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
10544
10545 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
10546
10547         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
10548         * config/darwin8.h: New.
10549         * config/darwin7.h: Update comment.
10550
10551 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10552             Dorit Naishlos  <dorit@il.ibm.com>
10553
10554         * tree-vectorizer.h (LOC): New type.
10555         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
10556         (loop_line_number): New field in struct _loop_vec_info.
10557         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
10558
10559         * tree-vectorizer.c (input.h): Included.
10560         (find_loop_location): New function.
10561         (vect_debug_stats): Argument changed from loop to LOC. Computation of
10562         loop line number removed.
10563         (vect_debug_details): Likewise.
10564         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
10565
10566         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
10567         call to vect_debug_details/stats changed from loop to loop_loc.
10568         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
10569         (slpeel_tree_peel_loop_to_edge): Likewise.
10570
10571         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
10572         changed from NULL to UNKNOWN_LOC.
10573         (vect_get_base_and_offset):
10574         (vect_create_addr_base_for_vector_ref):
10575         (get_vectype_for_scalar_type):
10576         (vect_create_data_ref_ptr):
10577         (vect_init_vector):
10578         (vect_get_vec_def_for_operand):
10579         (vect_finish_stmt_generation):
10580         (vectorizable_assignment):
10581         (vectorizable_operation):
10582         (vectorizable_store):
10583         (vectorizable_load):
10584         (vect_transform_stmt):
10585         (vect_update_ivs_after_vectorizer):
10586         (vect_do_peeling_for_loop_bound):
10587         (vect_do_peeling_for_alignment):
10588         (vect_transform_loop):
10589         (vect_is_simple_use):
10590         (vect_analyze_operations):
10591         (vect_is_simple_iv_evolution):
10592         (vect_analyze_scalar_cycles):
10593         (vect_analyze_data_ref_dependences):
10594         (vect_compute_data_ref_alignment):
10595         (vect_enhance_data_refs_alignment):
10596         (vect_analyze_data_ref_access):
10597         (vect_analyze_data_ref_accesses):
10598         (vect_analyze_pointer_ref_access):
10599         (vect_get_memtag_and_dr):
10600         (vect_analyze_data_refs):
10601         (vect_mark_relevant):
10602         (vect_stmt_relevant_p):
10603         (vect_mark_stmts_to_be_vectorized):
10604         (vect_can_advance_ivs_p):
10605         (vect_get_loop_niters):
10606         (vect_analyze_loop):
10607         (vectorize_loops): Likewise.
10608
10609         (vectorizable_load): Argument in call to vect_debug_details/stats
10610         changed from loop to LOOP_LOC (loop_vinfo).
10611         (vect_transform_loop):
10612         (vect_analyze_operations):
10613         (vect_analyze_scalar_cycles):
10614         (vect_analyze_data_ref_dependence):
10615         (vect_enhance_data_refs_alignment):
10616         (vect_analyze_data_ref_accesses):
10617         (vect_analyze_pointer_ref_access):
10618         (vect_analyze_data_refs):
10619         (vect_analyze_loop): Likewise.
10620
10621         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
10622         changed from loop to loop_loc.
10623
10624         (vect_enhance_data_refs_alignment): Removed unused variable loop.
10625
10626 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
10627             Dorit Naishlos  <dorit@il.ibm.com>
10628
10629         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
10630         declaration added.
10631         (vect_analyze_data_ref_dependences): Likewise.
10632
10633         (vect_is_simple_use): Argument changed from loop structure to
10634         loop_vect_info structure.
10635         (vect_can_advance_ivs_p): Likewise.
10636         (vect_create_index_for_vector_ref): Likewise.
10637         (vect_update_ivs_after_vectorizer): Likewise.
10638         (new_stmt_vec_info): Likewise.
10639
10640         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
10641         changed from loop to loop_vinfo.
10642         (vect_create_data_ref_ptr): First argument in call to
10643         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
10644         (vectorizable_assignment): Second argument in call to vect_is_simple_use
10645         was changed from loop to loop_vinfo.
10646         (vectorizable_operation): Likewise.
10647         (vectorizable_store): Likewise.
10648         (vect_mark_stmts_to_be_vectorized): Likewise.
10649         (vect_do_peeling_for_loop_bound): First argument in call to
10650         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
10651         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
10652         was changed from loop to loop_vinfo.
10653         (vect_analyze_data_ref_dependences): Third argument in call to
10654         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
10655
10656         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
10657         (vect_create_data_ref_ptr): Likewise.
10658         (vect_init_vector): Likewise.
10659         (vect_get_vec_def_for_operand): Likewise.
10660         (vectorizable_assignment): Likewise.
10661         (vectorizable_operation): Likewise.
10662         (vectorizable_store): Likewise.
10663         (vectorizable_load): Likewise.
10664         (vect_update_ivs_after_vectorizer): Likewise.
10665         (vect_is_simple_use): Likewise.
10666         (vect_analyze_data_ref_dependence): Likewise.
10667         (vect_analyze_pointer_ref_access): Likewise.
10668         (vect_can_advance_ivs_p): Likewise.
10669
10670         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
10671         before _stmt_vec_info.
10672         (_stmt_vec_info): Loop field replaced by loop_vec_info.
10673         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
10674         (new_stmt_vec_info): Argument changed from loop structure to
10675         loop_vect_info structure
10676
10677         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
10678         (vect_analyze_offset_expr): Avoid 80 columns overflow.
10679         (vect_create_addr_base_for_vector_ref): Likewise.
10680         (vect_analyze_pointer_ref_access): Likewise.
10681
10682 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10683
10684         PR tree-opt/19768
10685         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
10686         phi flag if the phi is abnormal.
10687
10688 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
10689
10690         PR tree-opt/19736
10691         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
10692         information for the new statement.
10693
10694 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10695
10696         PR driver/19117
10697         * gcc.c (main): Include the target in -v output.
10698
10699 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
10700
10701         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
10702         Do not drop the extend if we'd have to add a paradoxical subreg
10703         later.  Include optabs.h and insn-codes.h.
10704         * Makefile.in (combine.o): Depend on $(OPTABS_H).
10705
10706 2005-02-02  Roger Sayle  <roger@eyesopen.com>
10707
10708         PR middle-end/19405
10709         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
10710         * fold-const.c (const_binop): Avoid constant folding floating
10711         point operations in modes that use composite representations.
10712         * simplify-rtx.c (simplify_binary_operation): Likewise.
10713
10714 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
10715
10716         * config/rs6000/altivec.md (altivec_dst): Make the first operand
10717         a REG, not a MEM.
10718         (altivec_dstt): Likewise.
10719         (altivec_dstst): Likewise.
10720         (altivec_dststt): Likewise.
10721         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
10722         of first operand.
10723
10724 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10725
10726         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
10727         EXPR_LOCUS from orig_cond to the new cond_stmt.
10728         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
10729         the new vec_stmt.
10730
10731 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10732
10733         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
10734         standard_iv_increment_position. Remove call to bsi_next
10735         (no need to bump the iterator anymore).
10736         (vect_create_index_for_vector_ref): Call
10737         standard_iv_increment_position. Remove second function argument.
10738         (vect_finish_stmt_generation): Remove call to bsi_next
10739         (no need to bump the iterator anymore).
10740         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
10741         to vect_create_index_for_vector_ref.
10742
10743 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
10744
10745         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
10746         phis are used out of the loop.
10747
10748 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
10749
10750         PR c/17807
10751         * c-decl.c (undef_nested_function): New variable.
10752         (pop_scope): Diagnose undefined nested functions.
10753         (finish_function): Don't attempt cgraph processing or genericizing
10754         if current top-level function contained an undefined nested
10755         function.  Reset undef_nested_function at the end of a top-level
10756         function.
10757
10758 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
10759
10760         * tree.c (build_int_cst_type): Take sign of the value into account
10761         when deciding whether sign extend the value.
10762
10763 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10764
10765         PR c/18502
10766         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
10767         (cpp_options, cc1_options): Change %{std*&ansi} to
10768         %{std*&ansi&trigraphs}.
10769
10770 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10771
10772         * cse.c: Update comments.
10773
10774 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
10775
10776         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
10777         arguments go on the stack.  Do not put complex doubles in odd/even
10778         pairs.
10779
10780 2005-02-02  Steven Bosscher  <stevenb@suse.de>
10781
10782         * doc/invoke.texi: Update the options enabled at -O1, -O2,
10783         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
10784         -ftree-pre, and -fthread-jumps.
10785
10786 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
10787
10788         PR tree-optimization/19578
10789         * tree-flow.h (modified_noreturn_calls): Declare.
10790         (noreturn_call_p): Declare.
10791         * tree-flow-inline.h (noreturn_call_p): New function.
10792         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
10793         * tree-cfg.c (modified_noreturn_calls): New variable.
10794         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
10795         that contain a mid-block noreturn call.
10796         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
10797
10798 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
10799
10800         * df.c (df_def_record_1, df_uses_record): Don't use
10801         DF_FOR_REGALLOC.
10802         * df.h (DF_FOR_REGALLOC): Remove.
10803
10804 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10805
10806         PR c/19435
10807         * c-typeck.c (really_start_incremental_init): Reset
10808         constructor_max_index for arrays of incomplete type.
10809
10810 2005-02-02  Jeff Law  <law@redhat.com>
10811
10812         * gcse.c (struct reg_set): Store the block index where the register
10813         was set rather than the setting insn.
10814         (record_one_set, compute_transp): Corresponding changes.
10815         (pre_insert_copy_insn): Do not call replace_one_set.
10816         (replace_one_set): Remove.
10817
10818 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
10819
10820         PR other/15514
10821         * doc/gcov.texi: Fix typo.
10822
10823 2005-02-01  Richard Henderson  <rth@redhat.com
10824
10825         PR target/19680
10826         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
10827         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
10828         type to bool.
10829         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
10830         * config/i386/i386-protos.h: Update.
10831
10832 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10833
10834         PR tree-optimization/19217
10835         * tree-cfg.c (verify_expr): Use the data field to see if TP was
10836         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
10837         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
10838         that it is walking a PHI node.
10839
10840 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
10841
10842         * doc/extend.texi (Nested Functions): Update.
10843
10844 2005-02-01  Richard Henderson  <rth@redhat.com>
10845
10846         PR 19696
10847         * optabs.c (expand_copysign_absneg): Export.
10848         * optabs.h (expand_copysign_absneg): Declare.
10849         * config/rs6000/rs6000.md (copysigntf3): New.
10850
10851 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10852
10853         PR tree-optimization/19633
10854         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
10855         * tree-ssa-alias.c (init_alias_info): Initialize.
10856         (merge_pointed_to_info): Set.
10857         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
10858         (dump_points_to_info_for): Show value of pt_null.
10859         (struct count_ptr_d): Declare.
10860         (find_ptr_dereference): Remove.
10861         (ptr_is_dereferenced_by): Remove.
10862         (count_ptr_derefs): New local function.
10863         (count_uses_and_derefs): New local function.
10864         (compute_points_to_and_addr_escape): Call it.  If the number
10865         of dereferences is greater than zero, mark the pointer as
10866         dereferenced.  If there are fewer dereferences than uses of
10867         the pointer, the pointer's value escapes.
10868
10869 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
10870
10871         PR tree-optimization/19670
10872         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
10873         here...
10874         (verify_use): ... set it here, instead.
10875
10876 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
10877
10878         * doc/sourcebuild.texi (Test directives): Fix formatting.
10879
10880         * doc/sourcebuild.texi (Test directives): Describe selector
10881         expressions.
10882
10883 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
10884
10885         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
10886         specific 64-bit CPUs.
10887
10888 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
10889
10890         PR target/16201
10891         * arm.c (arm_eliminable_register): New function.
10892         (adjacent_mem_locations): Don't allow eliminable registers.  Use
10893         HOST_WIDE_INT for address offsets.
10894         * arm-protos.h (arm_eliminable_register): Add prototype.
10895
10896 2005-02-01  Steven Bosscher  <stevenb@suse.de>
10897
10898         PR optimization/15242
10899         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
10900         * basic-block.h (duplicate_computed_gotos): Add prototype.
10901         * bb-reorder.c (duplicate_computed_gotos): New function to
10902         duplicate sufficiently small blocks ending in a computed jump.
10903         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
10904         if not optimizing for size.
10905         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
10906         never do tail merging for blocks ending in a computed jump.
10907         * doc/invoke.texi: Document the max-goto-duplication-insns param.
10908
10909 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
10910
10911         Patch from Richard Sandiford <rsandifo@redhat.com>
10912         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
10913         from inheriting a subreg equivalence with a non-spill register.
10914
10915         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
10916
10917 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
10918
10919         * config/frv/frv.c (movcc_fp_destination_operand): New.
10920         (gpr_or_memory_operand): Fix typo in comment.
10921         (gpr_or_memory_operand_with_scratch): New.
10922         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
10923         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
10924         movcc_fp_destination_operand.
10925         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
10926         Legitimize memory addresses using a scratch register.
10927
10928 2005-01-31  Jeff Law  <law@redhat.com>
10929
10930         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
10931         bitmap a sparse bitmap instead of a simple bitmap.
10932         (mark_def_sites_initialize_block):  Corresponding changes.
10933         (ssa_mark_def_sites_initialize_block): Likewise.
10934         (ssa_mark_phi_uses): Likewise.
10935         (mark_def_site, ssa_mark_def_sites): Likewise.
10936         (mark_def_site_blocks): Likewise.
10937         (rewrite_ssa_into_ssa): Likewise.
10938
10939         * tree-ssa-dom.c (record_cond): Pass correct variable type
10940         for last argument to htab_find_slot_with_hash.
10941
10942         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
10943         effects when optimizing 0 % X.  Do not try to optimize X % 0.
10944
10945 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
10946
10947         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
10948         1_mmalua.
10949
10950 2005-02-01  Eric Christopher  <echristo@redhat.com>
10951
10952         * config/mips/mips.c (override_options): Warn if -mint64
10953         is used.
10954         * doc/invoke.texi (MIPS Options): Document that -mint64 is
10955         deprecated.
10956
10957 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
10958
10959         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
10960         timestamp.
10961         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
10962         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
10963         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
10964         (cached_regno): Initialize to INVALID_REGNUM.
10965         (cse_reg_info_table_size,
10966         cse_reg_info_table_first_uninitialized,
10967         cse_reg_info_timestamp): New.
10968         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
10969         get_cse_reg_info.
10970         (init_cse_reg_info, get_cse_reg_info_1): New.
10971         (get_cse_reg_info): Cache the last look-up.
10972         (new_basic_block): Update the code to clear mappings from
10973         registers to cse_reg_info entries.
10974         (cse_main): Call init_cse_reg_info.
10975
10976         * cse.c (get_cse_reg_info): Update a comment.
10977
10978 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10979
10980         PR c/19333
10981         * c-decl.c (start_decl): Do not warn about arrays of elements with
10982         an incomplete type here.
10983         (grokdeclarator): Do it here by making a pedwarn an error.
10984         * c-typeck.c (push_init_level): If there were previous errors with
10985         the constructor type, do not warn about braces for initializers.
10986         (process_init_element): Likewise for excess initializer elements.
10987
10988 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
10989
10990         * cse.c (delete_trivially_dead_insn): Don't iterate.
10991
10992 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
10993
10994         * config/rs6000/rs6000.md (copysignsf3): New expand.
10995         (copysigndf3): Likewise.
10996
10997 2005-01-31  Steven Bosscher  <stevenb@suse.de>
10998
10999         * recog.c (constrain_operands): Only look for earlyclobber operand
11000         conflicts if an '&' constraint was seen.
11001
11002 2005-01-31  Marc Espie <espie@openbsd.org>
11003
11004         * config.gcc: Don't include embedded systems fragment, switches default
11005         debugging format to ELF.
11006         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
11007         longer pick it up there.
11008
11009 2005-01-31  Dale Johannesen  <dalej@apple.com>
11010
11011         * doc/extend.texi (nested functions): Fix linkage description.
11012         Clarify that static is not allowed.
11013
11014 2005-01-31  Dale Johannesen  <dalej@apple.com>
11015
11016         * config/rs6000/darwin.md (movsf_low_di):  Make work.
11017         (movdf_low_di):  Make work.
11018
11019 2005-01-31  Dale Johannesen  <dalej@apple.com>
11020
11021         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
11022         Make work for 64 bit.
11023
11024 2005-01-31  Roger Sayle  <roger@eyesopen.com>
11025             Dale Johannesen  <dalej@apple.com>
11026
11027         PR middle-end/19650
11028         * fold-const.c (fold_binary_op_with_conditional_arg):
11029         Make types match original operands, before STRIP_NOPS.
11030
11031 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
11032
11033         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
11034         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
11035         (struct gcc_sigcontext): Delete.  Merge contents to..
11036         (struct gcc_ucontext): ..here.
11037         (get_sigcontext): Delete.
11038         (get_regs): New function, like get_sigcontext but return regs ptr.
11039         64-bit version finds regs from r1 to support vdso.
11040         (ppc_linux_aux_vector): New function.
11041         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
11042         and vector regs.
11043
11044 2005-01-31  Ira Rosen  <irar@il.ibm.com>
11045
11046         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
11047         sizetype.
11048         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
11049         redundant fold. Fix misalignment for MINUS_EXPR.
11050         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
11051         (vect_analyze_pointer_ref_access): Likewise.
11052         (vect_get_memtag_and_dr): Likewise.
11053
11054 2005-01-31  Richard Henderson  <rth@redhat.com>
11055
11056         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
11057         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
11058         absnegdf2_i387, absnegxf2_i387): Likewise.
11059
11060 2005-01-31  Richard Henderson  <rth@redhat.com>
11061
11062         PR 19696
11063         * optabs.c (expand_copysign_absneg): New.
11064         (expand_copysign_bit): Split out from ...
11065         (expand_copysign): ... here.  Use expand_copysign_absneg.
11066
11067 2005-01-30  Roger Sayle  <roger@eyesopen.com>
11068
11069         PR middle-end/19697
11070         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
11071         constant as the second operand and a register as the third.
11072
11073 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
11074
11075         PR target/19704
11076         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
11077         that dllimport'd functions do not use all call-clobbered registers
11078         to pass parameters.
11079
11080 2005-01-30  Richard Henderson  <rth@redhat.com>
11081
11082         PR 19696
11083         * optabs.c (expand_absneg_bit): Split out from expand_unop and
11084         expand_abs_nojump and generalize.  Use operand_subword and
11085         emit_no_conflict_block.  Support large modes.
11086         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
11087         back to maximum.
11088         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
11089         negation to subtraction.
11090         (expand_copysign): Check that the format has signed zeros.
11091         Use operand_subword and emit_no_conflict_block.  Support large modes.
11092
11093 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
11094
11095         Fix PR tree-optimization/19624
11096
11097         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
11098         * tree-ssa-pre.c: Add cfgloop.h.
11099         Update comment.
11100         (pre_stats): New member, constified.
11101         (inserted_exprs): New static variable.
11102         (NECESSARY): New macro.
11103         (create_expression_by_pieces): Fold the expression, and
11104         mark it as defaulting to not necessary. Also put in
11105         inserted_exprs.
11106         (fully_constant_expression): New function.
11107         (insert_into_preds_of_block): Modify to not insert phis when we
11108         are playing with induction variables.
11109         Push phis onto the inserted_exprs vector, and mark them as not
11110         necessary by default.
11111         (insert_aux): Call fully_constant_expression on eprime.
11112         If all edges produce the same value, mark it constant.
11113         (mark_operand_necessary): New function.
11114         (remove_dead_inserted_code): New function.
11115         (init_pre): Init loop optimizer to get loop info.
11116         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
11117         (execute_pre): Commit edge inserts, then remove dead code.
11118
11119 2005-01-30  Richard Henderson  <rth@redhat.com>
11120
11121         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
11122         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
11123
11124 2005-01-30  Richard Henderson  <rth@redhat.com>
11125
11126         PR target/19700
11127         * config/i386/i386.c (ix86_expand_copysign): New.
11128         (ix86_split_copysign_const): New.
11129         (ix86_split_copysign_var): Rename from ix86_split_copysign,
11130         rearrange op1/nmask operands.
11131         * config/i386/i386-protos.h: Update.
11132         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
11133         (copysigndf3): Likewise.
11134         (copysignsf3_const, copysigndf3_const): New.
11135         (copysignsf3_var): Rename from copysignsf3, split out splitter
11136         and fix split predicate for X constraint.
11137         (copysigndf3_var): Similarly.
11138
11139 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
11140
11141         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
11142         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
11143         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
11144
11145 2005-01-29  Richard Henderson  <rth@redhat.com>
11146
11147         PR target/19690
11148         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
11149         of # and * in constraints.
11150
11151 2005-01-29  Richard Henderson  <rth@redhat.com>
11152
11153         PR middle-end/19689
11154         * expr.c (store_field): Don't strip sub-mode cast when the input
11155         data is even smaller.
11156
11157 2005-01-29  Richard Henderson  <rth@redhat.com>
11158
11159         PR middle-end/19687
11160         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
11161         union being empty.
11162
11163 2005-01-29  Richard Henderson  <rth@redhat.com>
11164
11165         * combine.c (make_field_assignment): Fix argument order
11166         to gen_int_mode.
11167
11168 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
11169
11170         PR tree-optimization/15791
11171         * fold-const.c (extract_array_ref): New function.
11172         (fold): Fold comparisons between &a[i] and &a[j] or
11173         semantically equivalent trees.
11174
11175 2005-01-29  Jeff Law  <law@redhat.com>
11176
11177         * gcse.c (insert_expr_in_table): Revamp handling of available
11178         and anticipatable occurrence lists to avoid unnecessary list
11179         walking.
11180         (insert_set_in_table): Similarly.
11181
11182 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
11183
11184         * c-common.c (fix_string_type): Just use c_build_qualified_type to
11185         build string type.
11186         (c_build_qualified_type): Build qualified array types with
11187         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
11188         * c-decl.c (c_make_fname_decl): Build unqualified array type
11189         before qualified type.
11190         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
11191         type is qualified, not just if type itself is.  Don't apply
11192         qualifiers to array type when declarator is processed.  Apply
11193         qualifiers to field type whether or not it is an array type.
11194         Don't handle array types specially for applying qualifiers to
11195         variables.
11196         * c-typeck.c (composite_type): Build unqualified element type and
11197         array type when forming composite of array types.
11198         (common_pointer_type, comptypes, comp_target_types,
11199         type_lists_compatible_p, build_indirect_ref, build_array_ref,
11200         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
11201         types.
11202         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
11203         (args2) in variables a1 and a2.
11204
11205 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
11206
11207         * cse.c (n_elements_made, max_elements_made): Remove.
11208         (insert): Don't touch n_elements_made.
11209         (cse_main): Don't touch n_elements_made or max_elements_made.
11210
11211 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
11212
11213         PR target/15384
11214         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
11215         configuration part of dp-bit.c to be lost.
11216
11217 2005-01-28  Roger Sayle  <roger@eyesopen.com>
11218
11219         * expmed.c (expand_mult_highpart_optab): When attempting to use
11220         a non-widening multiplication in a wider mode, the operands need
11221         to be converted (zero or sign extended) to that mode.
11222
11223 2005-01-28  Ian Lance Taylor  <ian@airs.com>
11224
11225         PR middle-end/16558
11226         PR middle-end/19583
11227         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
11228         through if both operands fall through.
11229
11230 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
11231
11232         * cse.c (fold_rtx) <PC>: Don't optimize.
11233
11234 2005-01-28  Jeff Law  <law@redhat.com>
11235
11236         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
11237         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
11238
11239 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
11240
11241         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
11242         cse_reg_info_used_list_end): Remove.
11243         (cse_reg_info_list, cse_reg_info_list_free): New.
11244         (get_cse_reg_info): When allocating an instance of
11245         cse_reg_info, add it to the beginning of the cse_reg_info_list
11246         list.  Remove code to maintain cse_reg_info_used_list.
11247         (new_basic_block): Reset the free list to the beginning of
11248         cse_reg_info_list.
11249
11250 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
11251
11252         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
11253         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
11254         (frv_expand_mdpackh_builtin): New function.
11255         (frv_expand_builtin): Use it to expand __MDPACKH.
11256         * doc/extend.texi (__MDPACKH): Update documentation.
11257
11258 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
11259
11260         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
11261         SSE_FLOAT_MODE_P for use_sse computation.
11262
11263 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
11264
11265         PR target/19663
11266         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
11267
11268 2005-01-27  Richard Henderson  <rth@redhat.com>
11269
11270         * builtins.c (expand_builtin_copysign): New.
11271         (expand_builtin): Call it.
11272         * genopinit.c (optabs): Add copysign_optab.
11273         * optabs.c (init_optabs): Initialize it.
11274         (expand_copysign): New.
11275         * optabs.h (OTI_copysign, copysign_optab): New.
11276         (expand_copysign): Declare.
11277
11278         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
11279         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
11280
11281         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
11282         (ix86_expand_fp_absneg_operator): ... here.
11283         (ix86_split_copysign): New.
11284         * config/i386/i386-protos.h: Update.
11285         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
11286         (copysignsf3, copysigndf3): New.
11287
11288         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
11289         (copysignsf3, ncopysignsf3): New.
11290         (copysigndf3, ncopysigndf3): New.
11291         (copysignxf3, ncopysignxf3): New.
11292         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
11293
11294 2005-01-27  Arend Bayer  <arend.bayer@web.de>
11295             Kazu Hirata  <kazu@cs.umass.edu>
11296
11297         * cse.c: (find_best_addr): Don't call copy_rtx before calling
11298         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
11299         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
11300         NULL_RTX.
11301
11302 2005-01-27  Jeff Law  <law@redhat.com>
11303
11304         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
11305         definitions of SSA_NAMEs which are not being rewritten.
11306         (rewrite_ssa_into_ssa): Only initialize the current definition
11307         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
11308         If checking is enabled, assert that SSA_NAME_AUX is clear for all
11309         SSA_NAMEs before returning.
11310
11311 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
11312
11313         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
11314         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
11315         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
11316         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
11317         config/mips/iris6.h, config/sh/sh.c: Update copyright.
11318
11319 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11320
11321         PR middle-end/17278
11322         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
11323         higher to -O2 and higher.  Likewise for tree PRE.
11324         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
11325         and better.
11326
11327 2005-01-27  Ian Lance Taylor  <ian@airs.com>
11328
11329         PR middle-end/19583
11330         * gimple-low.c (try_catch_may_fallthru): New static function.
11331         (block_may_fallthru): Handle TRY_CATCH_EXPR.
11332         * tree-inline.c (expand_call_inline): Don't warn about reaching
11333         the end of a non-void function being inlined if the function uses
11334         a return slot.
11335
11336 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
11337
11338         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
11339
11340         PR c/18946
11341         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
11342         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
11343         (implicitly_declare): Handle error_mark_node.
11344
11345 2005-01-27  Richard Henderson  <rth@redhat.com>
11346
11347         PR tree-opt/14329
11348         * tree.h (struct tree_decl): Add debug_expr_is_from.
11349         (DECL_DEBUG_EXPR_IS_FROM): New.
11350         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
11351         * dwarf2out.c (dwarf2out_var_location): Update to match.
11352         * tree-outof-ssa.c (create_temp): Likewise.
11353         * var-tracking.c (track_expr_p): Likewise.
11354         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
11355         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
11356         * toplev.c (default_tree_printer): Likewise.
11357
11358 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
11359
11360         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
11361         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
11362
11363 2005-01-27  Steven Bosscher  <stevenb@suse.de>
11364
11365         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
11366         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
11367         ASM_CLOBBERS): Add tree checks.
11368
11369         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
11370         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
11371         * c-common.def (SWITCH_STMT): Update to match.
11372         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
11373         macros instead of SWITCH_EXPR ones.
11374         * c-dump.c (c_dump_tree): Likewise.
11375         * c-gimplify.c (gimplify_switch_stmt): Likewise.
11376         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
11377
11378         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
11379
11380 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
11381
11382         * unwind-dw2.c (execute_stack_op): Add missing cases for
11383         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
11384
11385 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
11386
11387         * config.gcc (Obsolete configurations): Remove 'dummy', add
11388         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
11389         sparc-*-openbsd*.
11390
11391 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
11392
11393         PR tree-optimization/19633
11394         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
11395         CALL_EXPRs.
11396         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
11397         are no call-clobbered variables.
11398         * tree-outof-ssa.c (check_replaceable): Return false for calls
11399         with side-effects.
11400
11401 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
11402
11403         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
11404         even for variables with NULL DECL_INITIAL.
11405
11406 2005-01-26  Stuart Hastings  <stuart@apple.com>
11407
11408         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
11409
11410 2005-01-26  Richard Henderson  <rth@redhat.com>
11411
11412         PR middle-end/18008
11413         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11414         field's type.
11415         * expr.c (store_field): Strip conversions to odd-bit-sized types
11416         if the destination field width matches.
11417
11418 2005-01-26  Richard Henderson  <rth@redhat.com>
11419
11420         * c-decl.c, expmed.c, expr.c: Revert last change.
11421
11422 2005-01-26  Richard Henderson  <rth@redhat.com>
11423
11424         PR middle-end/18008
11425         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
11426         field's type.
11427         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
11428         if we don't need the bits above those present in the current mode.
11429         * expr.c (store_field): Strip conversions to odd-bit-sized types
11430         if the destination field width matches.
11431
11432 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
11433
11434         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
11435         either -ffast-math or -funsafe-math-optimizations is in use.
11436
11437 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
11438
11439         PR target/19293
11440         PR target/19329
11441         * config/avr/avr.c (notice_update_cc): Only set condition code for
11442         ashrqi3 if shift count > 0.
11443         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
11444         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
11445         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
11446         count <= 0 as a no-op, and shift count >= width by copying zero
11447         or sign bit to all bits of the result.
11448         * config/avr/avr.md (all shifts): Add alternatives for zero shift
11449         count, with attribute "length" set to 0 and "cc" set to "none".
11450
11451 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11452
11453         * doc/invoke.texi: Document -mTLS.
11454
11455         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
11456         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
11457         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
11458         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
11459         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
11460         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
11461         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
11462         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
11463
11464         * configure.ac: Check for a TLS capable gas.
11465
11466         * configure: Regenerate.
11467
11468 2005-01-26  Richard Henderson  <rth@redhat.com>
11469
11470         PR middle-end/18008
11471         * combine.c (make_field_assignment): Simplify store to zero_extract
11472         from a source with an overlapping mask.
11473
11474 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
11475
11476         2004-11-11  Eric Christopher  <echristo@redhat.com>
11477
11478         * config/frv/frv.md: Add fr400_integer automaton. Don't
11479         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
11480         to TYPE_MACC.
11481
11482 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11483
11484         PR middle-end/16585
11485         * cfgbuild.c (make_edges): Do not clear or set
11486         current_function_has_computed_jump.
11487         * function.h (struct function): Remove the has_computed_jump field.
11488         (current_function_has_computed_jump): Do not define.
11489         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
11490         in a computed jump.  Ignore current_function_has_computed_jump.
11491
11492 2005-01-26  Richard Henderson  <rth@redhat.com>
11493
11494         PR middle-end/19515
11495         * expr.c (categorize_ctor_elements): New argument p_must_clear.
11496         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
11497         fully initialized.
11498         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
11499         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
11500         objects into static storage if they have more than one non-zero value.
11501         * tree.h (categorize_ctor_elements): Update decl.
11502
11503 2005-01-26  Steven Bosscher  <stevenb@suse.de>
11504
11505         PR middle-end/19616
11506         * tree.h (CALL_EXPR_TAILCALL): Add comment.
11507         * calls.c (check_sibcall_argument_overlap_1): Revert the change
11508         to this function from 2004-07-10.
11509         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
11510         the current function for tail call optimizations if the address
11511         of one of it its arguments is taken.
11512
11513 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
11514
11515         * cse.c (fold_rtx): Call equiv_constant only when necessary.
11516
11517 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
11518
11519         * function.c (expand_function_end): If current_function_calls_alloca,
11520         emit stack restore in a place that is reached when the function falls
11521         through at the end.
11522
11523 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
11524
11525         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
11526         rule to avoid matching inappropriate suffix rule.
11527
11528 2005-01-26  Jan Hubicka  <jh@suse.cz>
11529
11530         PR tree-optimization/19241
11531         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
11532
11533 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11534
11535         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
11536         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
11537         of doubling.
11538         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
11539         <sim*>: Always use crt1.o, regardless of N in simN.
11540         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11541         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
11542         (CRT_CALL_STATIC_FUNCTION): Remove.
11543         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
11544         use crt1.o, regardless of N in simN.
11545         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
11546         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
11547         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
11548         case isystem setting.
11549         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
11550
11551 2005-01-25  Ian Lance Taylor  <ian@airs.com>
11552
11553         * gimple-low.c (block_may_fallthru): Correct handling of
11554         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
11555
11556 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
11557
11558         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
11559         handlers to match indentation; nested under the mtune=* handler.
11560         Similar for mcpu= and march=.
11561
11562 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
11563
11564         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
11565         * config/mips/linux64.h (LIB_SPEC): Likewise.
11566         * config/mn10300/linux.h (LIB_SPEC): Likewise.
11567         * config/sh/linux.h (LIB_SPEC): Likewise.
11568
11569 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
11570
11571         * config/frv/frv.c (frv_legitimize_tls_address): New.
11572         (TARGET_HAVE_TLS): Define.
11573         (FRV_SYMBOL_REF_TLS_P): Define.
11574         (frv_override_options): Handle new register classes.
11575         (frv_legitimate_address_p): Reject tls addresses.
11576         (frv_legitimize_address): Handle TLS addresses.
11577         (gen_inlined_tls_plt): New.
11578         (gen_tlsmoff): New.
11579         (frv_legitimize_tls_address): New.
11580         (unspec_got_name): Add TLS entries.
11581         (got12_operand): Add R_FRV_TLSMOFF12 case.
11582         (frv_emit_move): Fixup TLS addresses.
11583         (frv_emit_movsi): Legitimize TLS addresses.
11584
11585         * config/frv/frv.h (MASK_BIG_TLS): New.
11586         (TARGET_BIG_TLS): New.
11587         (HAVE_AS_TLS): Define.
11588         (TARGET_SWITCHES): Add -mTLS and -mtls options.
11589         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
11590         (REG_CLASS_NAMES): Same.
11591         (REG_CLASS_CONTENTS): Same.
11592         (CONSTRAINT_LEN): New.
11593         (REG_CLASS_FROM_CONSTRAINT): New.
11594         (PREDICATE_CODES): Add symbolic_operand.
11595
11596         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
11597         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
11598         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
11599         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
11600         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
11601         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
11602         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
11603         GR9_REG, GR14_REG, LRREG.
11604         (type): Add load_or_call attribute.
11605         ("load_or_call"): New reservation.
11606         ("call_gettlsoff"): New.
11607         ("tls_indirect_call"): New.
11608         ("tls_load_gottlsoff12"): New.
11609         ("tlsoff_hilo"): New.
11610         ("tls_tlsdesc_ldd"): New.
11611         ("tls_tlsoff_ld"): New.
11612         ("tls_lddi"): New.
11613
11614         * config/frv/frv-protos.h (symbolic_operand): Protoize.
11615
11616         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
11617
11618         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
11619         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
11620         * config/frv/frv.c (TLS_BIAS): Define.
11621         (frv_output_dwarf_dtprel): New.
11622
11623 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
11624
11625         PR rtl-optimization/19579
11626         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
11627         both A and B, see if they don't clobber registers the other expr uses.
11628
11629 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
11630
11631         * real.c (do_add): Initialize signalling and canonical members.
11632
11633         * real.c (real_from_integer): Zero out destination.
11634
11635 2005-01-18  Jan Hubicka  <jh@suse.cz>
11636
11637         PR tree-optimize/19337
11638         * tree-inline.c (initialize_inlined_parameters): Copy
11639         saved_static_chain_decl only.
11640
11641 2005-01-25  Richard Henderson  <rth@redhat.com>
11642
11643         PR target/19556
11644         PR target/19584
11645         * config/i386/i386.c (x86_inter_unit_moves): Zero.
11646         (ix86_preferred_reload_class): Rewrite fp-constant section, with
11647         80387 enabled, to return a proper subclass.  Return the subset that
11648         overlaps with GENERAL_REGS for PLUS.
11649         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
11650
11651 2005-01-25  Richard Henderson  <rth@redhat.com>
11652
11653         PR middle-end/19609
11654         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
11655
11656 2005-01-25  Roger Sayle  <roger@eyesopen.com>
11657
11658         * expmed.c (choose_multiplier): Change interface to return the
11659         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
11660         (expand_divmod): Update calls to choose_multiplier.
11661
11662 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11663
11664         PR middle-end/19330
11665         * expmed.c (extract_bit_field): Use adjust_address instead of
11666         gen_lowpart when op0 is a MEM.
11667
11668 2005-01-24  Steven Bosscher  <stevenb@suse.de>
11669
11670         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
11671
11672 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
11673
11674         * config/mips/irix-csr.c: New file.
11675         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
11676         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
11677         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
11678         executables.
11679
11680 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
11681
11682         PR bootstrap/19364
11683         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
11684         sparc/elf.h, add sparc/sp-elf.h.
11685         (sparc-*-rtems*): Likewise.
11686         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
11687         tm-dwarf2.h, add sparc/sp-elf.h.
11688         (sparc86x-*-elf): Likewise.
11689         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
11690         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
11691         TARGET_OS_CPP_BUILTINS.
11692         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11693         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11694         Undefine it.
11695         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
11696         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
11697         (SWITCH_TAKES_ARG): Likewise.
11698         (LOCAL_LABEL_PREFIX): Likewise.
11699         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11700         (TARGET_N_FORMAT_TYPES): Delete.
11701         (TARGET_FORMAT_TYPES): Likewise.
11702         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
11703         * config/sparc/elf.h: Delete.
11704         * config/sparc/sp-elf.h: New file.
11705
11706 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11707
11708         * tree-flow-inline.h (phi_arg_from_edge): Remove.
11709         * tree-flow.h: Remove the corresponding prototype.
11710         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
11711         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
11712
11713 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11714
11715         PR target/17751
11716         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
11717         for AIX ABI or ELF -fPIC.
11718         (rs6000_emit_load_toc_table): Don't create toc_section here.
11719         (rs6000_xcoff_file_start): Nor here.
11720
11721 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
11722
11723         * sh.c (ra.h): Don't #include.
11724         (hard_regs_intersect_p): New function, resurrected from ra.c.
11725
11726         * sh.c: Fix 1996 Copyright.
11727
11728 2005-01-24  Richard Henderson  <rth@redhat.com>
11729             Aldy Hernandez  <aldyh@redhat.com>
11730
11731         * regrename.c (note_sets): Handle subregs.
11732
11733 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
11734
11735         PR bootstrap/18058
11736         * genconditions.c (write_header, write_conditions): Elide file if
11737         not GCC >= 3.0.1.
11738
11739 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
11740
11741         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
11742         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
11743         Update copyright.
11744
11745 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11746
11747         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
11748         expand_builtin_printf, expand_builtin_fprintf,
11749         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
11750         checking against POINTER_TYPE.
11751         (validate_arglist): Handle POINTER_TYPE code by checking
11752         POINTER_TYPE_P.
11753
11754 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
11755
11756         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
11757         init_rtlanal): New.
11758         (for_each_rtx): Call for_each_rtx_1.
11759         * rtl.h (init_rtlanal): Declare.
11760         * toplev.c (backend_init): Call init_rtlanal.
11761
11762 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
11763
11764         * flow.c (propagate_one_insn): Formatting.
11765
11766         PR middle-end/19551
11767         * flow.c (libcall_dead_p): Be more conservative if unsure.
11768         If there are any instructions between insn and call, see if they are
11769         all dead before saying the libcall is dead.
11770
11771 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
11772
11773         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
11774         operand constraint for operand 0.
11775
11776 2005-01-23  Richard Henderson  <rth@redhat.com>
11777
11778         PR 19486
11779         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
11780         edges leading to join block.
11781
11782 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11783
11784         * expmed.c (expand_mult_highpart): Make static.  Change type of
11785         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
11786         (expand_divmod): Updates calls to expand_mult_highpart by using
11787         gen_int_mode to pass a CONST_INT rtx.
11788         * rtl.h (expand_mult_highpart): Remove prototype.
11789
11790 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11791
11792         * flow.c (regset_bytes, regset_size): Remove.
11793
11794         * cfganal.c: Fix a reference to Harvey's paper.
11795
11796 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11797
11798         PR rtl-optimization/19464
11799         * tree-optimize.c (init_tree_optimization_passes): Add one more
11800         copyrename pass just before out-of-ssa.
11801
11802 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
11803
11804         PR bootstrap/18058
11805         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
11806         * ggc-none.c (ggc_free): Define.
11807
11808 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11809
11810         * cse.c (max_reg, max_insn_uid): Remove.
11811         (cse_main): Don't access max_reg or max_insn_uid.
11812
11813         * c-common.c (explicit_flag_signed_bitfields,
11814         lang_statement_code_p, lang_expand_function_end): Remove.
11815         * c-common.h: Remove the corresponding declarations.
11816         * c-opts.c (c_common_handle_option): Remove all write access
11817         to explicit_flag_signed_bitfields.
11818
11819         * cgraph.c (cgraph_varpool_n_nodes): Remove.
11820         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
11821         * cgraph.h: Remove the corresponding declaration.
11822
11823         * gcse.c (null_pointer_info): Remove.
11824
11825 2005-01-23  Roger Sayle  <roger@eyesopen.com>
11826             Eric Botcazou  <ebotcazou@libertysurf.fr>
11827
11828         * combine.c (simplify_logical): Only simplify logical expressions
11829         of the form ior(and(x,y),z) by the inverse distributive law if the
11830         result is cheaper than the original.
11831
11832 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
11833
11834         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
11835         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
11836         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
11837         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
11838         config/freebsd-spec.h, config/arm/arm.h,
11839         config/h8300/h8300.md, config/i386/i386.md,
11840         config/i386/predicates.md, config/i386/sse.md,
11841         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
11842         config/vax/vax.md: Fix comment typos.  Follow spelling
11843         conventions.
11844
11845 2005-01-23  Steven Bosscher  <stevenb@suse.de>
11846
11847         * gengtype.c (walk_type): Produce `not equal to' compares for loop
11848         tests, instead of `less than'.
11849
11850 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
11851
11852         * function.c (assign_parm_setup_block): When creating a new stack slot
11853         for a parameter, get its alignment from the parameter's DECL_ALIGN
11854         rather than the type's TYPE_ALIGN.  Make sure that the parameter
11855         is at least word aligned.
11856
11857 2005-01-22  Roger Sayle  <roger@eyesopen.com>
11858
11859         PR middle-end/19378
11860         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
11861
11862 2005-01-22  Richard Henderson  <rth@redhat.com>
11863
11864         PR target/19506
11865         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
11866         in both compare operands.
11867         (movdfcc_1_sse_max): Likewise.
11868         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
11869         (movdfcc_1_sse): Likewise.
11870         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
11871         scratch register as needed.
11872
11873 2005-01-22  Richard Henderson  <rth@redhat.com>
11874
11875         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
11876
11877         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
11878
11879 2005-01-22  Richard Henderson  <rth@redhat.com>
11880
11881         * genopinit.c (optabs): Use smin/smax for floating point too.
11882         * doc/md.texi: Update to match.  Clarify that floating point
11883         results are undefined for +0/-0 and NaN.
11884         * doc/rtl.texi: Likewise.
11885         * rtl.def (SMIN, SMAX): Likewise
11886         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
11887
11888         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
11889         leading 's' to the name.
11890         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
11891         smaxxf3, sminxf3): Likewise.
11892         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
11893         Likewise.
11894
11895 2005-01-22  Paul Brook  <paul@codesourcery.com>
11896
11897         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
11898
11899 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
11900
11901         * config/s390/s390.c (struct processor_costs): New fields
11902         dlgr, dlr, dr, dsgfr, dsgr.
11903         (z900_cost, z990_cost): Values for new fields.
11904         (s390_rtx_costs): New cases MEM und COMPARE in switch
11905         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
11906         DIV, MOD, UDIV, UMOD.
11907
11908 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11909
11910         * config/s390/s390.md ("doloop_si64"): Reload input value directly
11911         into the register being decremented.
11912         ("doloop_si31", "doloop_di"): Likewise.
11913         ("*doloop_si_long"): Adapt pattern.
11914
11915 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
11916
11917         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
11918         access registers.
11919         (CLASS_MAX_NREGS): Likewise.
11920
11921 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
11922
11923         * doc/tree-ssa.texi (Statement Operands): Add example for new
11924         must-def macro. Note deprecation of old operands interface.
11925
11926 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
11927
11928         PR tree-optimization/19484
11929         * tree-cfg.c (remove_fallthru_edge): New function.
11930         (cleanup_control_flow): Remove fallthru edges from calls that are
11931         now known not to return.
11932
11933 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
11934
11935         Fix PR tree-optimization/19038
11936         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
11937         copies with loop variant ones.
11938
11939 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
11940
11941         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
11942         config/alpha/alpha-protos.h, config/alpha/alpha.h,
11943         config/alpha/alpha.md, config/alpha/predicates.md,
11944         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
11945         config/sparc/sol2.h: Update copyright.
11946
11947         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
11948         first label to see if it is a nonlocal label.
11949
11950 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
11951             Andrew Pinski  <pinskia@physics.uc.edu>
11952
11953         PR target/19491
11954         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
11955         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
11956
11957 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11958
11959         * config/rs6000/rtems.h: Update copyright.
11960
11961 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
11962
11963         PR target/19548
11964         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
11965         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
11966         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
11967
11968 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11969
11970         PR c/18809
11971         * c-typeck.c (convert_arguments): Check for error_mark_node.
11972
11973 2005-01-21  Ian Lance Taylor  <ian@airs.com>
11974
11975         PR tree-optimization/13000
11976         * tree-inline.c: Include "tree-flow.h".
11977         (expand_call_inline): If warn_return_type, warn if non-void inline
11978         function falls through.
11979         * tree-cfg.c (execute_warn_function_return): Don't warn about
11980         control reaching end if TREE_NO_WARNING is set.  Set
11981         TREE_NO_WARNING.
11982         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
11983         has been lowered.
11984         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
11985         branch if we don't need one.
11986         * c-typeck.c: Include "tree-flow.h"
11987         (c_finish_bc_stmt): Don't add a goto if the current statement
11988         list doesn't fall through to the current point.
11989
11990 2005-01-21  Roger Sayle  <roger@eyesopen.com>
11991
11992         PR rtl-optimization/576
11993         * real.c (real_arithmetic): Change return type from void to bool
11994         to return an indication that the result may be inexact.
11995         * real.h (real_arithmeric): Update prototype.
11996         * fold-const.c (const_binop):  Don't constant fold floating
11997         point expressions when the user specifies -frounding-math and
11998         the result may depend upon the run-time rounding mode.
11999         (fold_convert_const_real_from_real): Clean-up.
12000         (fold_initializer): Ignore flag_rounding_math for initializers.
12001         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
12002         constant fold FP operations with flag_rounding_math if the
12003         result may depend upon the run-time rounding mode.
12004
12005 2005-01-21  Tom Tromey  <tromey@redhat.com>
12006
12007         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
12008
12009 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
12010
12011         * tree-cfg.c: Fix comment typos.
12012
12013 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
12014
12015         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
12016         around the call to rest_of_handle_branch_target_load_optimize.
12017
12018 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12019
12020         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
12021         (sparc64-*-openbsd*): Likewise.
12022         (sparclite-*-elf*): Include tm-dwarf2.h.
12023         (sparc86x-*-elf*): Likewise.
12024         (sparc64-*-elf*): Likewise.
12025         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
12026         (DBX_DEBUGGING_INFO): Likewise.
12027         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
12028         (PREFERRED_DEBUGGING_TYPE): Likewise.
12029         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
12030         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
12031         (PREFERRED_DEBUGGING_TYPE): Likewise.
12032         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
12033         (PREFERRED_DEBUGGING_TYPE): Likewise.
12034         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
12035
12036 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
12037
12038         PR target/18701
12039         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
12040
12041 2005-01-20  Paul Brook  <paul@codesourcery.com>
12042
12043         * doc/rtl.texi: Document value extension requirements for CONST_INT.
12044
12045 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12046
12047         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
12048         label is first in a sequence of labels.
12049
12050         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
12051
12052 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
12053             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
12054
12055         * doc/sourcebuild.texi (Test Directives): New.
12056
12057 2005-01-20  Roger Sayle  <roger@eyesopen.com>
12058
12059         * real.c (real_floor): Don't leave the result uninitialized when
12060         mode is VOIDMode, but return the unrounded intermediate value.
12061         (real_ceil): Likewise.
12062
12063 2005-01-20  Paul Brook  <paul@codesourcery.com>
12064
12065         * config/arm/arm.md (insv): Use gen_int_mode.
12066
12067 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
12068
12069         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
12070         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12071         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12072         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12073         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
12074
12075 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
12076
12077         Fix PR debug/19124
12078         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
12079         fbreg, so we have to assume we can't.
12080         (loc_descriptor_from_tree_1): Ditto.
12081         (containing_function_has_frame_base): New function.
12082         (add_location_or_const_value_attribute): Use it.
12083         Also try to generate a frame_base from a single element location
12084         list.
12085
12086 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12087
12088         PR tree-optimization/15349
12089         * timevar.def (TV_TREE_MERGE_PHI): New.
12090         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
12091         PHI_WANTED.
12092         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
12093         calls to tree_forwarder_block_p.
12094         (remove_forwarder_block_with_phi, merge_phi_nodes,
12095         gate_merge_phi, pass_merge_phi): New.
12096         * tree-optimize.c (init_tree_optimization_passes): Add
12097         pass_merge_phi.
12098         * tree-pass.h: Add an extern for pass_merge_phi;
12099
12100 2005-01-20  Richard Henderson  <rth@redhat.com>
12101
12102         PR target/19418
12103         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
12104         (_mm_castps_pd, _mm_castps_si128): New.
12105         (_mm_castsi128_ps, _mm_castsi128_pd): New.
12106
12107 2005-01-20  Richard Henderson  <rth@redhat.com>
12108
12109         PR target/19530
12110         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
12111         __builtin_ia32_vec_init_v2si.
12112         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
12113         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
12114         (ix86_init_mmx_sse_builtins): Create it.
12115         (ix86_expand_builtin): Expand it.
12116         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
12117         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
12118         (vec_extractv2si_0, vec_extractv2si_1): New.
12119
12120 2005-01-20  Richard Henderson  <rth@redhat.com>
12121
12122         PR target/16533
12123         * config/i386/i386.c (ix86_expand_push): New.
12124         * config/i386/mmx.md (push<MMXMODE>1): New.
12125         * config/i386/sse.md (push<SSEMODE>1): New.
12126         * config/i386/i386-protos.h: Update.
12127
12128 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
12129
12130         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
12131         copyright.
12132
12133 2005-01-20  Richard Henderson  <rth@redhat.com>
12134
12135         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
12136         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
12137
12138 2005-01-19  Richard Henderson  <rth@redhat.com>
12139
12140         PR target/19350
12141         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
12142         to V4SFmode in SSE1 fallback load path.
12143
12144 2005-01-19  Richard Henderson  <rth@redhat.com>
12145
12146         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
12147         in QImode expansion to ix86_expand_vector_set.
12148         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
12149
12150 2005-01-19  Richard Henderson  <rth@redhat.com>
12151
12152         PR target/19511
12153         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
12154         subclass of the input class.
12155         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
12156         Always true for cross-SSE1 classes.  Rationalize conditionals.
12157         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
12158         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
12159         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
12160         (movdi_2): Add MMX/SSE zeros.
12161         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
12162         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
12163         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
12164         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
12165         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
12166         (zero_extendsidi2_rex64_1): Remove.
12167         (MOV0 peephole): Check GENERAL_REG_P.
12168
12169 2005-01-19  Richard Henderson  <rth@redhat.com>
12170
12171         PR target/19427
12172         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
12173         shufps elements.
12174         (ix86_expand_vector_extract): Likewise.
12175
12176 2005-01-19  Richard Henderson  <rth@redhat.com>
12177
12178         PR middle-end/19304
12179         * expr.c (emit_move_change_mode): New argument force; use
12180         simplify_gen_subreg if true.
12181         (emit_move_via_alt_mode): Merge into ...
12182         (emit_move_via_integer): ... here.
12183         (emit_move_ccmode): Use emit_move_change_mode directly.
12184
12185 2005-01-19  Richard Henderson  <rth@redhat.com>
12186
12187         PR target/19518
12188         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
12189         (alpha_preferred_reload_class): Handle CONST_VECTOR.
12190         (alpha_emit_set_const_1): Add no_output parameter; don't emit
12191         rtl if true.
12192         (alpha_emit_set_const): Likewise.  Make static.
12193         (alpha_emit_set_long_const): Make static.
12194         (alpha_extract_integer): Split out from alpha_expand_mov.
12195         (alpha_split_const_mov): Likewise.
12196         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
12197         (alpha_legitimate_constant_p): New.
12198         * config/alpha/alpha-protos.h: Update.
12199         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
12200         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
12201         * config/alpha/alpha.md (movsi): Add n alternative.
12202         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
12203         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
12204         (splitters for all of the above): Use alpha_split_const_mov.
12205         * config/alpha/predicates.md (non_add_const_operand): New.
12206         (non_zero_const_operand): New.
12207         (input_operand): Use alpha_legitimate_constant_p after reload.
12208
12209 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
12210
12211         PR tree-optimization/19038
12212         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
12213         (add_candidate): Add ivs with increment in latch only if
12214         allow_ip_end_pos_p is true.
12215         (determine_iv_cost): Use empty_block_p.
12216
12217 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
12218
12219         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
12220         (compute_dominance_frontiers): Ditto.
12221
12222 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
12223
12224         PR target/19529
12225         * config/sh/t-rtems: New.
12226         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
12227
12228 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
12229
12230         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
12231         the offset of the selected field.
12232
12233 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
12234
12235         * tree-cfg.c (remove_forwarder_block): Fix the check to
12236         prevent a nonlocal label from appearing in the middle of a
12237         basic block.
12238
12239 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
12240
12241         PR rtl-optimization/19462
12242         * reorg.c (find_end_label): Create return insn only if
12243         current_function_epilogue_delay_list is empty.
12244
12245 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
12246
12247         * doc/passes.texi: Remove paragraph mentioning new-ra.
12248
12249 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
12250
12251         PR rtl-optimization/15139
12252         * combine.c: Include params.h.
12253         (count_rtxs): New function.
12254         (record_value_for_reg): If replace_rtx would replace at least
12255         2 occurrences of REG in VALUE and TEM is really large, replace REG with
12256         (clobber (const_int 0)) instead of TEM.
12257         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
12258         * params.h (MAX_LAST_VALUE_RTL): New.
12259         * Makefile.in (combine.o): Depend on $(PARAMS_H).
12260         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
12261
12262         PR c/17297
12263         * c-typeck.c (digest_init): Only call build_vector if all constructor
12264         elements are *_CST nodes.
12265         * gimplify.c (gimplify_init_constructor): Likewise.
12266
12267         PR middle-end/19164
12268         * c-typeck.c (digest_init): Only call build_vector if inside_init
12269         is a CONSTRUCTOR.
12270
12271 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
12272
12273         * toplev.c (init_asm_output): Remove dead #ifdef.
12274
12275 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12276
12277         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
12278
12279 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12280
12281         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
12282         accessing DECL_FUNCTION_CODE.
12283         * dojump.c (do_jump): Likewise.
12284         * gimplify.c (gimplify_call_expr): Likewise.
12285         * predict.c (expr_expected_value): Likewise.
12286         (strip_builtin_expect): Likewise.
12287         * tree-inline.c (estimate_num_insns_1): Likewise.
12288         * tree-ssa-loop-im.c (stmt_cost): Likewise
12289         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
12290         (tree_expr_nonnegative_p): Likewise.
12291
12292 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12293
12294         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
12295         variant of the load_pcrel_sym pattern.
12296         * config/sparc/sparc.md (P macro): Move to the top.
12297         (load_pcrel_sym): Macroize using P.
12298         (save_register_window): Likewise.
12299
12300 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
12301
12302         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
12303         ("sordered"): Same.
12304
12305 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
12306
12307         PR C/19472
12308         * c-typeck.c (build_asm_expr): Strip nops off
12309         input memory operands.
12310
12311 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
12312
12313         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
12314         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
12315         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
12316         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
12317
12318 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
12319
12320         PR target/19379
12321         * config/i386/i386.c (override_options): If the 80387 is disabled,
12322         then do not return FP values using FP registers.
12323
12324 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
12325
12326         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
12327         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
12328         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
12329         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
12330         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
12331         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
12332         output.h, postreload-gcse.c, postreload.c, recog.c,
12333         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
12334         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
12335         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
12336         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
12337         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
12338         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
12339         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
12340         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
12341
12342         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
12343         config/alpha/alpha.c, config/arm/vfp.md,
12344         config/i386/emmintrin.h, config/i386/i386-modes.def,
12345         config/i386/i386-protos.h, config/i386/i386.h,
12346         config/i386/pmmintrin.h, config/i386/ppro.md,
12347         config/i386/predicates.md, config/i386/xmmintrin.h,
12348         config/i860/i860.c, config/ia64/ia64-modes.def,
12349         config/ia64/ia64-protos.h, config/ia64/ia64.h,
12350         config/ia64/ia64.md, config/ia64/itanium1.md,
12351         config/ia64/itanium2.md, config/ia64/predicates.md,
12352         config/iq2000/iq2000.h, config/mips/linux64.h,
12353         config/rs6000/aix41.h, config/rs6000/aix43.h,
12354         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
12355         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
12356         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
12357         config/sparc/linux64.h, config/sparc/litecoff.h,
12358         config/sparc/sp64-elf.h, config/sparc/sparc.c,
12359         config/sparc/sparc.h, config/sparc/sparc.md,
12360         config/sparc/sysv4-only.h: Update copyright.
12361
12362 2005-01-18  Richard Henderson  <rth@redhat.com>
12363
12364         PR target/19496
12365         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
12366
12367 2005-01-18  Marc Espie  <espie@openbsd.org>
12368         * config/i386/openbsdelf.h: Typo.
12369
12370 2005-01-18  Richard Henderson  <rth@redhat.com>
12371
12372         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
12373         special case for sse.
12374         * config/i386/predicates.md (sse_comparison_operator): Likewise.
12375
12376 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
12377
12378         * tree-inline.c (estimate_num_insns_1): Added cases for
12379         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
12380
12381 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
12382
12383         PR rtl-optimization/19296
12384         * combine.c (simplify_comparison): Rewrite the condition under
12385         which a non-paradoxical SUBREG of a PLUS can be lifted when
12386         compared against a constant.
12387
12388 2005-01-18  Andi Kleen <ak@muc.de>
12389
12390         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
12391         * c.opt (-Wpointer-sign): Add.
12392         * doc/invoke.texi: (-Wpointer-sign): Add.
12393
12394 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12395
12396         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
12397         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
12398         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
12399         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
12400         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
12401         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
12402         for TARGET_MIX_SSE_I387.
12403         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
12404         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
12405         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
12406         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
12407         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
12408         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
12409         TARGET_MIX_SSE_I387.
12410         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
12411         from expander.
12412
12413 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
12414
12415         PR target/19424
12416         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
12417         Add movaps alternative for xmm reg->reg move.
12418
12419 2005-01-17  Jeff Law  <law@redhat.com>
12420
12421         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
12422         at the end of the main DOM loop rather than just before DOM exits.
12423
12424 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
12425
12426         PR tree-optimization/19121
12427         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
12428         adding aliases to a name tag, also add them to the pointer's
12429         type tag.
12430         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
12431         sensitive alias info at all.  Only check that the two pointers
12432         have compatible pointed-to sets.
12433         * tree-ssa.c (verify_name_tags): Verify that the alias set of
12434         a pointer's type tag is a superset of the alias set of the
12435         pointer's name tag.
12436
12437 2005-01-17  James E Wilson  <wilson@specifixinc.com>
12438
12439         PR target/19357
12440         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
12441         comment to document why.
12442
12443 2005-01-17  Richard Henderson  <rth@redhat.com>
12444
12445         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
12446         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
12447         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
12448         sse2_vmsminv2df3_finite): New.
12449         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
12450         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
12451         Force op1 into register.
12452
12453 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
12454
12455         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
12456         bubblestrap from always rebuilding build directory.
12457
12458 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
12459
12460         * config/s390/s390.md ("*clc"): Remove incorrect '='.
12461         ("*cmpmem_short"): Likewise.
12462
12463 2005-01-17  Steven Bosscher  <stevenb@suse.de>
12464
12465         * basic-block.h: Document BB_* flags.
12466         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
12467         use an sbitmap instead.
12468         * sched-rgn.c (compute_trg_info): Likewise.
12469
12470 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
12471
12472         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
12473         redundant target_cpu_default and extra_parts lines.  Use the default
12474         "from-abi" ISA.
12475         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
12476         (SUBTARGET_EXTRA_SPECS): Delete.
12477         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
12478         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
12479         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
12480         and "n32" for -mabi=n32.
12481
12482 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12483
12484         PR c/5675
12485         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
12486         fold constant variables into initial values.
12487
12488 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12489
12490         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
12491
12492         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
12493         through the statements backward.
12494
12495 2005-01-17  Ian Lance Taylor  <ian@airs.com>
12496
12497         PR middle-end/13127:
12498         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
12499         a variable set to the return value of the inlined function.
12500
12501 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
12502
12503         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
12504         when modes are tieable.
12505
12506 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
12507
12508         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
12509         of pthread_create to find out if threads are enabled.
12510         * gthr-posix95.h (__gthread_active_p): Likewise.
12511
12512 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
12513
12514         * common.opt (-fnew-ra): Remove.
12515         * ra*.*: Remove.
12516         * toplev.h (flag_new_regalloc): Remove.
12517         * Makefile.in (ra*.*): Don't mention.
12518         * passes.c (rest_of_handle_new_regalloc): Remove.
12519         (rest_of_handle_combine, rest_of_compilation): Always consider
12520         flag_new_regalloc as false.
12521         * doc/invoke.texi: Don't document -fnew-ra.
12522
12523 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
12524
12525         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
12526         last parameter to reg_scan.
12527         * loop.c (loop_optimize): Likewise.
12528         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
12529         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
12530         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12531         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12532         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
12533         * regclass.c (reg_scan): Likewise, for the declaration.
12534         * rtl.h (reg_scan): Likewise, for the prototype.
12535
12536 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
12537
12538         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
12539         mark_dfs_back_edges.
12540
12541 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
12542
12543         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
12544         (compute_avail): Uses don't go in tmp_gen.
12545
12546 2005-01-16  Steven Bosscher  <stevenb@suse.de>
12547
12548         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
12549         loop to look for a free slot in a page entry.
12550
12551 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12552
12553         PR target/16304
12554         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
12555         * toplev.c (compile_file): Call process_pending_assemble_output_defs
12556         just before targetm.asm_out.file_end.
12557         * tree.h (process_pending_assemble_output_defs): Declare.
12558         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
12559         New functions.
12560         (assemble_alias): Defer generation of assembly code for defines when
12561         TARGET_DEFERRED_OUTPUT_DEFS is true.
12562         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12563         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
12564         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
12565
12566 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12567
12568         PR target/19336
12569         * pa.c (pa_scalar_mode_supported_p): New function.
12570         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12571         * pa.h (MIN_UNITS_PER_WORD): Add comment.
12572
12573         * pa-protos.h (prefetch_operand): Delete.
12574         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
12575         * pa.c (prefetch_operand): Delete.
12576         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
12577         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
12578         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
12579         and prefetch_nocc_operand.
12580         * pa.md (prefetch): Rework to avoid reload problems handling short
12581         displacements when a cache control completer needs to be provided.
12582         (prefetch_32, prefetch_64): Delete.
12583         (prefetch_cc, prefetch_nocc): New patterns.
12584
12585 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
12586
12587         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
12588
12589 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12590
12591         PR ada/19388
12592         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
12593         exceeds maximum alignment for global common data.
12594         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
12595         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
12596
12597 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12598
12599         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
12600
12601 2004-01-15  Roger Sayle  <roger@eyesopen.com>
12602
12603         * harg-reg-set.h (reg_class_names): Prototype global array.
12604         * regclass.c (reg_class_names): Declare here and initialize to
12605         REG_CLASS_NAMES.
12606         (dump_regclass): Remove local declaration of reg_class_names.
12607         (regclass): Likewise.
12608         * cfg.c (dump_flow_info): Likewise.
12609         * ra-debug.c (reg_class_names): Likewise.
12610         * regrename.c (reg_class_names): Likewise.
12611         * reload.c (reg_class_names): Likewise.
12612         * reload1.c (spill_failure): Likewise.
12613         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
12614
12615 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
12616
12617         * config/s390/s390.md ("reload_outti"): Remove predicate for
12618         output operand.  Abort if operand is not a MEM.
12619         ("reload_outdi", "reload_outdf"): Likewise.
12620
12621 2005-01-15  Marc Espie  <espie@openbsd.org>
12622
12623         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
12624         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
12625         * config/openbsd.h:  Fix C++ includes for native configurations.
12626         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
12627         Add trampoline support.
12628         * config/i386/openbsdelf.h: New.
12629
12630 2005-01-15  Marc Espie  <espie@openbsd.org>
12631
12632         * collect2.c (main): Explicitly parse -dynamic-linker option.
12633
12634 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
12635
12636         PR tree-optimization/19060
12637         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
12638         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
12639         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
12640         and handle extract_range_from_cond returning false.
12641         * fold-const.c (fold): Optimize comparisons with min/max even for
12642         width > HOST_BITS_PER_WIDE_INT.
12643
12644 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
12645
12646         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
12647         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
12648         Remove little endian multilib variants.
12649         Add mips32 multilib variant.
12650
12651 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
12652
12653         * explow.c (copy_all_reg, stabilize): Remove.
12654         * expr.h: Remove the corresponding prototypes.
12655
12656         * rtlanal.c (regs_set_between_p): Remove.
12657         * rtl.h: Remove the corresponding prototype.
12658
12659 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
12660
12661         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
12662         to rs6000_nonimmediate_operand.
12663         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
12664         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
12665         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
12666         rs6000_nonimmediate_operand.
12667         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
12668         rs6000_nonimmediate_operand.
12669
12670 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
12671
12672         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
12673
12674 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12675
12676         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
12677         on e500v2.
12678         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
12679         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
12680
12681         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
12682         (rs6k_nonimmediate_operand): New.
12683         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
12684         correctly.
12685         (legitimate_lo_sum_address_p): Same.
12686         (rs6000_legitimize_address): Same.
12687         (rs6000_legitimize_reload_address): Same.
12688         (rs6000_legitimate_address): Same.
12689         (spe_build_register_parallel): Pass DF and DC modes in a DI
12690         register.
12691
12692         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
12693         to rs6k_nonimmediate_operand.
12694
12695         * config/rs6000/spe.md ("*frob_df_di"): New.
12696         ("*frob_di_df"): New.
12697         ("*frob_di_df_2"): New.
12698         ("*mov_sidf_e500_subreg0"): New.
12699         ("*mov_sidf_e500_subreg4"): New.
12700         ("*movdf_e500_double"): Change predicate to
12701         rs6k_nonimmediate_operand.
12702
12703 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12704
12705         * postreload.c (move2add_note_store): Only call
12706         trunc_int_for_mode on scalar integers.
12707
12708 2005-01-14  Steven Bosscher  <stevenb@suse.de>
12709
12710         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
12711         replace BB_VISITED uses.
12712         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
12713         (propagate_necessity): Check the bitmap instead of BB_VISITED.
12714         (tree_dce_done): Free visited_control_parents.
12715         (perform_tree_ssa_dce): Allocate and clear it.
12716         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
12717         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
12718         instead of BB_VISITED.
12719
12720 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
12721
12722         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
12723         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
12724         Remove unused prototypes.
12725
12726 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12727
12728         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
12729         64-bit register usage.
12730         (spe_func_has_64bit_regs_p): Add FIXME note.
12731
12732 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
12733
12734         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
12735         flag_finite_math_only with flag_unsafe_math_optimizations.
12736
12737 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
12738
12739         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
12740         end-of-stack check.
12741         (__tpf_eh_return): Copy TPF private stack area from the module
12742         boundary stack frame.  Add check for when module addresses are
12743         equal, but no stub address is found.
12744
12745 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
12746
12747         PR target/7525
12748         * arm.h (struct machine_function): Add call_via field.
12749         (thumb_call_via_label): Declare.
12750         * arm.c (thumb_call_via_label): New variable.
12751         (thumb_call_reg_needed): New variable.
12752         (arm_output_function_epilogue): For Thumb code, output any per-function
12753         call-indirect trampolines.
12754         (thumb_call_via_reg): New function.
12755         (arm_file_end): New function.
12756         (TARGET_ASM_FILE_END): Call arm_file_end.
12757         (aof_file_end): Likewise.
12758         * arm-protos.h (thumb_call_via_reg): Declare.
12759         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
12760         thumb_call_via_reg in normal case.
12761
12762 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
12763
12764         PR middle-end/19084
12765         PR rtl-optimization/19348
12766         * recog.c (peephole2_optimize): Do global life update if some peephole
12767         decides it doesn't need at least one of its inputs and that change
12768         influences liveness at the start of the basic block.
12769
12770         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
12771         arguments instead of 1.
12772
12773 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
12774
12775         PR middle-end/18820
12776         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
12777         zero for nested functions needing a static chain or functions
12778         with a non-constant address.
12779
12780 2005-01-13  Roger Sayle  <roger@eyesopen.com>
12781
12782         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
12783         (and (sign_extend X) C) into (zero_extend (and X C)).
12784
12785 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
12786
12787         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
12788
12789 2005-01-13  Richard Henderson  <rth@redhat.com>
12790
12791         PR target/19009
12792         PR target/19250
12793         PR target/19252
12794         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
12795         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
12796         not just TARGET_SSE.
12797         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
12798         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
12799         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
12800         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
12801         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
12802         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
12803         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
12804         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
12805         (movdicc_c_rex64): Rename with '*'.
12806         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
12807         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
12808         (movsfcc_1_387): Rename from movsfcc_1.
12809         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
12810         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
12811         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
12812         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
12813         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
12814         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
12815         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
12816         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
12817         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
12818         sse_movdfcc_const0_4): Remove.
12819         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
12820         recognize min/max early.  Update for changed sse cmove patterns.
12821         (ix86_split_sse_movcc): New.
12822         * config/i386/i386-protos.h: Update.
12823
12824 2005-01-13  Steven Bosscher  <stevenb@suse.de>
12825
12826         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
12827         (fix_stmt_v_may_defs): Likewise.
12828
12829 2005-01-13  Richard Henderson  <rth@redhat.com>
12830
12831         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
12832         for converting the mask.
12833
12834 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
12835
12836         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
12837         definition to 600.
12838
12839 2005-01-13  Richard Henderson  <rth@redhat.com>
12840
12841         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
12842         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
12843         IX86_BUILTIN_MOVDQ2Q): Remove.
12844         (IX86_BUILTIN_VEC_EXT_V4SI): New.
12845         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
12846         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
12847         shuffling.
12848         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
12849         (sse2_pextrw): Fix immediate constraint.
12850         (sse2_loadq, sse2_loadq_rex64): Remove.
12851         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
12852         Use __builtin_ia32_vec_ext_<size>.
12853         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
12854
12855 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
12856
12857         * function.c (assign_parm_setup_block): Look inside original
12858         entry_parm when inspecting PARALLEL.
12859
12860 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
12861             Joel Sherrill  <joel@oarcorp.com>
12862
12863         PR target/19399
12864         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
12865         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
12866         rtems_gxx_recursive_mutex_init.
12867         (__gthread_recursive_mutex_lock): New function.
12868         (__gthread_recursive_mutex_trylock): Likewise.
12869         (__gthread_recursive_mutex_unlock): Likewise.
12870
12871 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
12872
12873         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
12874
12875 2005-01-13  Jan Beulich  <jbeulich@novell.com>
12876
12877         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
12878         (ashrti3_internal): Indicate output is early clobber. Generate result
12879         into output rather than first input. Use move for low word of output
12880         if shift count is exactly 64.
12881         (lshrti3_internal): Likewise.
12882
12883 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
12884
12885         PR target/18329
12886         PR target/18330
12887         * reload1.c (delete_output_reload): Don't delete an output reload
12888         if the pseudo lives longer than a single basic block.  Adjust and
12889         improve wording of comment.
12890
12891 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
12892
12893         PR target/19334
12894         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
12895         of TYPE_SIZE where we mean the number of bytes.
12896
12897 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
12898
12899         * function.c (assign_parm_setup_block): Relax condition on
12900         multi-register optimization.
12901
12902 2005-01-12  Nick Clifton  <nickc@redhat.com>
12903
12904         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
12905         an "in_delay_slot" attribute of "no" to prevent them being used in
12906         delay slots.  This is forbidden because they might generate
12907         exceptions.
12908
12909 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
12910
12911         PR target/19389
12912         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
12913         with r->Y and Y->r.
12914
12915 2005-01-12  Nick Clifton  <nickc@redhat.com>
12916
12917         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
12918         passed on to GAS) but do not define, as GAS no longer supports or
12919         needs the -m2000 option.
12920
12921 2005-01-11  Roger Sayle  <roger@eyesopen.com>
12922
12923         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
12924         type as args of unprototyped builtins aren't automatically promoted.
12925         (fold_builtin_abs): Likewise.
12926
12927 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12928
12929         * Makefile.in: Set a `build-warn' variable.
12930
12931 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
12932
12933         PR tree-optimization/17949
12934         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
12935         (find_interesting_uses_address): Use it.
12936
12937 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
12938
12939         * regrename.c (kill_value): Handle subreg's that won't simplify.
12940
12941 2005-01-11  Richard Henderson  <rth@redhat.com>
12942
12943         PR target/13366
12944         * config/i386/i386.h (enum ix86_builtins): Move ...
12945         * config/i386/i386.c: ... here.
12946         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
12947         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
12948         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
12949         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
12950         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
12951         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
12952         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
12953         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
12954         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
12955         IX86_BUILTIN_LOADDDUP): Remove.
12956         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
12957         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
12958         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
12959         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
12960         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
12961         (ix86_init_builtins): Make static.
12962         (ix86_init_mmx_sse_builtins): Update for changed builtins.
12963         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
12964         if all the modes match.  Otherwise, fake it.
12965         (get_element_number, ix86_expand_vec_init_builtin,
12966         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
12967         (ix86_expand_builtin): Make static.  Update for changed builtins.
12968         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
12969         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
12970         (ix86_expand_vector_init_duplicate): New.
12971         (ix86_expand_vector_init_low_nonzero): New.
12972         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
12973         Split out from ix86_expand_vector_init; handle integer modes.
12974         (ix86_expand_vector_init): Use them.
12975         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
12976         * config/i386/i386-protos.h: Update.
12977         * config/i386/predicates.md (reg_or_0_operand): New.
12978         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
12979         (movv2sf_internal): Likewise.  And a splitter to match them all.
12980         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
12981         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
12982         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
12983         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
12984         (mmx_pinsrw): Fix operand ordering.
12985         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
12986         rather than sse_loadss expander.
12987         (movv2df splitter): Similarly.
12988         (sse_loadss, sse_loadlss): Remove.
12989         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
12990         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
12991         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
12992         (sse3_movddup): Rename with '*'.
12993         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
12994         (sse2_loadsd): Remove.
12995         (vec_dupv2df_sse3): Rename from sse3_loadddup.
12996         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
12997         (sse2_pinsrw): Fix argument ordering.
12998         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
12999         (sse2_stored): Remove 'r' destination.
13000         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
13001         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
13002         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
13003         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
13004         vec_extractv16qi, vec_initv16qi): New.
13005
13006         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
13007         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
13008         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
13009         constructor form.
13010         (_mm_load_pd, _mm_store_pd): Use plain dereference.
13011         (_mm_load_si128, _mm_store_si128): Likewise.
13012         (_mm_load1_pd): Use _mm_set1_pd.
13013         (_mm_load_sd): Use _mm_set_sd.
13014         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
13015         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
13016         (_mm_set_epi64): Use _mm_set_epi64x.
13017         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
13018         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
13019         _mm_setr_epi8): Use _mm_set_foo form.
13020         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
13021         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
13022         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
13023         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
13024         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
13025         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
13026         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
13027         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
13028         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
13029         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
13030         (_mm_movedup_pd): Use _mm_shuffle_pd.
13031         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
13032         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
13033         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
13034         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
13035         Use _mm_setzero_ps.
13036         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
13037         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
13038         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
13039         (_mm_store_ps): Use raw dereference.
13040         (_mm_store1_ps): Use _mm_storeu_ps.
13041         (_mm_storer_ps): Use _mm_store_ps.
13042         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
13043         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
13044
13045 2005-01-11  Stan Shebs  <shebs@apple.com>
13046
13047         * config/rs6000/rs6000.c (machopic_output_stub): Issue
13048         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
13049
13050 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
13051
13052         PR target/18761
13053         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
13054         Skip all DECLs except for FIELD_DECLs.
13055
13056 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
13057
13058         * config/s390/s390.c (override_options): Return error if
13059         -mbackchain, -mpacked-stack and -mhard-float are used together.
13060         (s390_va_start): Remove the backchain && packed-stack special case.
13061         (s390_gimplify_va_arg): Likewise.
13062         * doc/invoke.texi: Remove the ABI incompatibility note.
13063
13064 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
13065
13066         * config/s390/s390.c (struct s390_frame_layout): Remove
13067         save_backchain_p.
13068         (s390_frame_info, s390_emit_prologue): Replace occurrences of
13069         save_backchain_p with TARGET_BACKCHAIN.
13070
13071 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
13072
13073         PR target/18916
13074         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
13075         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
13076         * function.c (locate_and_pad_parm): Set new field.
13077         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
13078         Tweak where_pad test to include "none".  Always set mem align for
13079         stack_parm.
13080         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
13081         not sufficient for type.
13082         (assign_parm_setup_block): If stack_parm is zero on entry, always
13083         make a new stack local.  Block move old stack parm if necessary
13084         to new aligned stack local.
13085         (assign_parm_setup_stack): Use a block move to handle
13086         potentially misaligned entry_parm.
13087         (assign_parms_unsplit_complex): Specify required alignment when
13088         creating stack local.
13089         * calls.c (compute_argument_addresses): Override alignment of stack
13090         arg calculated from its type with the alignment given by
13091         FUNCTION_ARG_BOUNDARY.
13092         (store_one_arg): Likewise.
13093
13094 2005-01-11  Jan Beulich  <jbeulich@novell.com>
13095
13096         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
13097         Change respective itanium_class attribute to ialu.
13098         (shladdp4_internal): New.
13099         * config/ia64/predicates.md (shladd_log2_operand): New.
13100
13101 2005-01-11  Richard Henderson  <rth@redhat.com>
13102
13103         * expr.c (store_constructor): Use rtvec_alloc instead of
13104         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
13105
13106 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
13107
13108         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
13109
13110 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
13111
13112         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
13113         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
13114         (TARGET_RWRELOC): Define.
13115         (ia64_rwreloc_section_type_flags): Delete.
13116         (ia64_section_type_flags): New function.
13117         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
13118         (TARGET_RWRELOC): Define.
13119
13120 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
13121
13122         PR target/18987
13123         * config/ia64/ia64.c (process_set): For alloc insn, only call
13124         process_epilogue is !frame_pointer_needed.
13125
13126 2005-01-10  Roger Sayle  <roger@eyesopen.com>
13127
13128         PR c++/19355
13129         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
13130         unary operator and can't be treated as a binary/comparison operator.
13131
13132 2005-01-10  Richard Henderson  <rth@redhat.com>
13133
13134         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
13135         (ix86_return_in_memory): Likewise.
13136         (function_arg_advance):  Likewise.  Mirror structure in function_arg
13137         for choosing register to advance.
13138
13139 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
13140
13141         * tree-vectorizer.c, tree.def: Fix comment typos.
13142
13143 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
13144
13145         * config/s390/s390.c (struct processor_costs): 4 new fields:
13146         ddbr, ddr, debr, der.
13147         (s390_rtx_costs): More precise handling of divide instructions.
13148
13149 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
13150
13151         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
13152
13153 2005-01-10  Jan Beulich  <jbeulich@novell.com>
13154
13155         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
13156         names resulting from -ffunction-sections/-fdata-sections and linkonce
13157         ones.
13158         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
13159         based on the section name. Rearrange the section name comparison logic
13160         slightly so that each section name is compared against at most once.
13161
13162 2005-01-10  Ben Elliston  <bje@au.ibm.com>
13163
13164         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
13165         targets for which -fPIC reduces limitations on the GOT size.
13166
13167 2005-01-09  Falk Hueffner  <falk@debian.org>
13168
13169         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
13170         X/C1 cmpop C2.
13171
13172 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
13173
13174         PR target/18720
13175         * collect2.c (main): Set aixrtl_flag for -brtl option.
13176         (resolve_lib_name): Search for .so file extension before .a
13177         if aixrtl_flag set.
13178
13179 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
13180
13181         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
13182         (vect_analyze_data_refs_alignment): Add dump prints.
13183
13184 2005-01-09  Ira Rosen  <irar@il.ibm.com>
13185
13186         * tree-vectorizer.c (vect_analyze_offset_expr): Use
13187         expr_invariant_in_loop_p.
13188         Initialize outputs first thing in the function.
13189         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
13190         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
13191         (vect_analyze_pointer_ref_access): Check that the initial condition of
13192         the access function is loop invariant.
13193
13194 2005-01-09  Richard Henderson  <rth@redhat.com>
13195
13196         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
13197         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
13198         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
13199         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
13200         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
13201         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
13202         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
13203         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
13204         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
13205         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
13206         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
13207         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
13208         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
13209         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
13210         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
13211         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
13212         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
13213         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
13214         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
13215         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
13216         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
13217         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
13218         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
13219         mmx_ prefix.
13220         (mmx_clrdi, pavgusb): Remove.
13221         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
13222         with leading sse_ prefix.
13223         * config/i386/sse.md: Receive them.
13224         * config/i386/mmx.md: New file.
13225         (MMXMODE12, MMXMODE24, mmxvecsize): New.
13226         (subrv2sf3): Turn into expander for normal subtraction.
13227         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
13228         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
13229         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
13230         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
13231         commutative; use ix86_binary_operator_ok.
13232         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
13233         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
13234         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
13235         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
13236         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
13237         Macroize from existing patterns; use ix86_binary_operator_ok.
13238         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
13239         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
13240         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
13241         with vec_select+vec_concat.
13242         (mmx_pshufw, mmx_pshufw_1): Likewise.
13243         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
13244         (mmx_uavgv4hi3): Model correctly.
13245         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
13246         _mm_xor_si64): Remove casts.
13247
13248 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
13249
13250         PR tree-optimization/19224
13251         * tree-scalar-evolution.c (get_instantiated_value,
13252         set_instantiated_value): New functions.
13253         (instantiate_parameters_1): Cache the results.
13254         (instantiate_parameters, resolve_mixers): Initialize and free
13255         the cache.
13256
13257 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
13258
13259         * config/i386/i386.md (addhi_4): Correct reference in comment.
13260         (addqi_4): Same.
13261
13262 2005-01-08  Richard Henderson  <rth@redhat.com>
13263
13264         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
13265         (_mm_cvtsi128_si64x): Likewise.
13266         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
13267         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
13268         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
13269         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
13270         * config/i386/i386-protos.h: Update.
13271         * config/i386/i386.c (print_operand): Add 'H'.
13272         (ix86_fixup_binary_operands): Split out from ...
13273         (ix86_expand_binary_operator): ... here.
13274         (ix86_fixup_binary_operands_no_copy): New.
13275         (ix86_expand_fp_absneg_operator): Handle vector mode results.
13276         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
13277         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
13278         (safe_vector_operand): Use CONST0_RTX.
13279         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
13280         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
13281         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
13282         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
13283         special cases.
13284         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
13285         (IX86_BUILTIN_CMPNGESS): New.
13286         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
13287         (attr type): Add sselog1.
13288         (attr unit, attr memory): Handle it.
13289         (movti, movti_internal, movti_rex64): Move near other integer moves.
13290         (movtf, movtf_internal): Move near other fp moves.
13291         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
13292         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
13293         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
13294         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
13295         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
13296         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
13297         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
13298         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
13299         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
13300         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
13301         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
13302         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
13303         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
13304         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
13305         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
13306         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
13307         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
13308         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
13309         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
13310         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
13311         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
13312         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
13313         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
13314         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
13315         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
13316         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
13317         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
13318         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
13319         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
13320         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
13321         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
13322         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
13323         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
13324         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
13325         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
13326         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
13327         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
13328         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
13329         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
13330         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
13331         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
13332         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
13333         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
13334         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
13335         same time.
13336         (SSEPUSH, push<SSEPUSH>): Remove.
13337         (MMXPUSH, push<MMXPUSH>): Remove.
13338         (sse_movaps, sse_movaps_1, sse_movups): Remove.
13339         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
13340         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
13341         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
13342         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
13343         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
13344         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
13345         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
13346         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
13347         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
13348         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
13349         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
13350         (ppro_sse_log_V4SF): Handle sselog1.
13351         * config/i386/predicates.md (const_0_to_1_operand): New.
13352         (const_0_to_255_mul_8_operand): New.
13353         (const_1_to_31_operand): Rename from const_int_1_31_operand.
13354         (const_2_to_3_operand, const_4_to_7_operand): New.
13355         * config/i386/sse.md: New file.
13356         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
13357         (sse_movups): Rename from sse_movups_1.
13358         (sse_loadlss): Rename from sse_loadss_1.
13359         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
13360         from the name.
13361         (negv4sf2): Use ix86_expand_fp_absneg_operator.
13362         (absv4sf2, negv2df, absv2df): New.
13363         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
13364         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
13365         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
13366         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
13367         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
13368         (sse3_addsubv4sf3): Model correctly.
13369         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
13370         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
13371         (sse_movhlps): Model with vec_select+vec_concat.
13372         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
13373         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
13374         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
13375         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
13376         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
13377         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
13378         sse2_pshufhw_1): Likewise.
13379         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
13380         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
13381         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
13382         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
13383         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
13384         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
13385         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
13386         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
13387         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
13388         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
13389         sminv8hi3): Mark commutative
13390         operands.  Use ix86_binary_operator_ok.
13391         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
13392         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
13393         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
13394         sse2_punpcklqdq): Allow operand2 in memory.
13395         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
13396         sse2_movsd): Add memory alternatives.
13397         (sse_storelps): Turn expander into an insn; split after reload.
13398         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
13399         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
13400
13401 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13402
13403         * configure.ac (DWARF-2 debug_line): Use objdump.
13404         * configure: Regenerate.
13405
13406 2005-01-08  Jeff Law  <law@redhat.com>
13407             Diego Novillo  <dnovillo@redhat.com>
13408
13409         PR tree-optimization/18241
13410         * tree-nrv.c (tree_nrv): Ignore volatile return values.
13411         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
13412         statements with volatile operands.
13413         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
13414         operands after marking a statement with has_volatile_ops.
13415
13416 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13417
13418         * tree.c (int_fits_type_p): Always honor integer constant
13419         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
13420
13421 2005-01-08  Roger Sayle  <roger@eyesopen.com>
13422
13423         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
13424         the latent bug in rtl_delete_block has been resolved.
13425
13426 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13427
13428         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
13429         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
13430
13431 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
13432
13433         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
13434         library as @multilib_dir@/$(SHLIB_SONAME).
13435
13436 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13437
13438         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
13439         * configure: Regenerate.
13440
13441 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13442
13443         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
13444         TYPE_MODE.
13445
13446 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
13447
13448         PR target/13674
13449         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
13450         Convert non-word aligned offset address using ld/std into
13451         indirect address.
13452
13453 2005-01-07  Richard Henderson  <rth@redhat.com>
13454
13455         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
13456
13457 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
13458
13459         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
13460
13461 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
13462
13463         PR tree-optimization/19283
13464         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
13465         is not shorter than the original type.
13466
13467         PR rtl-optimization/19012
13468         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
13469
13470         PR rtl-optimization/18861
13471         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
13472         (FULL_STATE): Define.
13473         (mark_tablejump_edge): New function.
13474         (purge_dead_tablejump_edges): New function.
13475         (find_bb_boundaries): Use it.
13476
13477         PR tree-optimization/18828
13478         * builtins.c (expand_builtin_next_arg): Remove argument and all
13479         the argument checking.
13480         (expand_builtin): Adjust caller.
13481         (expand_builtin_va_start): Likewise.  Remove error for too many
13482         arguments.
13483         (fold_builtin_next_arg): Issue error for too many arguments.
13484         After checking arguments, replace them with magic arguments that
13485         prevent further checking of the args.
13486
13487 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13488
13489         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
13490
13491 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13492
13493         PR target/6077
13494         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
13495         and %{.S:...} (and their negative variants) to test whether the
13496         input file is assembler or pre-processed-assembler independent of
13497         the actual filename extension.
13498
13499 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13500
13501         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
13502         of sign or zero extended values.
13503
13504 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
13505
13506         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
13507         for IBM long double format correctly.
13508
13509 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
13510
13511         Fix PR tree-optimization/18792
13512
13513         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
13514         to first_loop_depth, and use loop depth instead of loop number.
13515         (build_classic_dir_vector): Ditto.
13516         (compute_data_dependences_for_loop): Use depth, not loop number.
13517         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
13518         number. Pass in loops, instead of loop numbers.
13519         (gather_interchange_stats): Ditto.
13520         (linear_transform_loops): Ditto.
13521
13522 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
13523
13524         PR rtl-opt/13299
13525         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
13526         biv_fits_mode_p, extension_within_bounds_p): New functions.
13527         (check_ext_dependent_givs): Use them.
13528
13529 2005-01-06  Roger Sayle  <roger@eyesopen.com>
13530
13531         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
13532         more than one barrier, in which case we should delete them all.
13533
13534 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
13535
13536         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
13537
13538 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
13539
13540         Fix PR middle-end/19286
13541         Fix PR debug/19267
13542         * dwarf2out.c (gen_subprogram_die): If we've already tried to
13543         output this subprogram, simply ignore this attempt to do it again.
13544         (add_abstract_origin_attribute): Don't abort trying to add the abstract
13545         origin attribute if it's not possible.
13546         (gen_block_die): Don't ignore subblocks of "unused" blocks.
13547         (decls_for_scope): Ditto.
13548         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
13549         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
13550
13551 2005-01-05  Richard Henderson  <rth@redhat.com>
13552
13553         PR target/11327
13554         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
13555         (bdesc_2arg): Use it.
13556         (ix86_expand_binop_builtin): Force operands into registers
13557         when optimizing.
13558         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
13559         ix86_expand_sse_compare, ix86_expand_sse_comi,
13560         ix86_expand_builtin): Likewise.
13561
13562 2005-01-05  Richard Henderson  <rth@redhat.com>
13563
13564         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
13565         and VEC_SELECT.
13566         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
13567         (mulv4hi3): Set itanium_class mmmul.
13568         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
13569         (fpack): Rename from fpack_sfsf.
13570
13571 2005-01-05  Richard Henderson  <rth@redhat.com>
13572
13573         PR rtl-opt/10692
13574         * reload1.c (do_input_reload): Restrict the optimization deleteing
13575         a previous output reload to RELOAD_FOR_INPUT.
13576
13577 2005-01-05  Steven Bosscher  <stevenb@suse.de>
13578
13579         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
13580         comment that we fall through after case.
13581         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
13582         (distribute_links): Likewise.
13583         * cse.c (cse_insn): Likewise.
13584         * cselib.c (cselib_invalidate_mem): Likewise.
13585         * df.c: Update comments at the top of the file.
13586         (read_modify_subreg_p): Update comments here too.
13587         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
13588         * flow.c (mark_set_1): Likewise.
13589         (mark_used_regs): Likewise.
13590         * gcse.c (mems_conflict_for_gcse_p): Likewise.
13591         (canon_list_insert): Likewise.
13592         (mark_set): Likewise.
13593         (try_replace_reg): Likewise.
13594         (store_killed_in_insn): Likewise.
13595         * loop.c (count_one_set): Likewise.
13596         (basic_induction_var): Likewise.
13597         * postreload-gcse.c (find_mem_conflicts): Likewise.
13598         * postreload.c (reload_combine_note_store): Likewise.
13599         (move2add_note_store): Likewise.
13600         * reload.c (find_equiv_reg): Likewise.
13601         (mark_referenced_resources): Likewise.
13602         * rtlanal.c (set_noop_p): Likewise.
13603         (note_stores): Likewise.
13604         (note_uses): Likewise.
13605         * sched-deps.c (sched_analyze_1): Likewise.
13606         * sched-rgn.c (check_live_1): Likewise.
13607         (update_live_1): Likewise.
13608         * config/i860/i860.c: Likewise.
13609
13610         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
13611         an lvalue.
13612         (ZERO_EXTRACT): Mention that this one can be an lvalue.
13613
13614         * doc/rtl.texi: Update documentation for bit-fields and SET.
13615
13616 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13617
13618         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
13619
13620 2005-01-05  Jan Hubicka  <jh@suse.cz>
13621             Richard Henderson  <rth@redhat.com>
13622
13623         PR target/18910
13624         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
13625         with an offset.
13626
13627 2005-01-05  Richard Henderson  <rth@redhat.com>
13628
13629         PR target/12902
13630         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
13631         (sse_shufps): Change operand 3 to const_int_operand.
13632         (sse2_storelps): Fix typo in template.
13633         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
13634         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
13635         (ix86_expand_builtin): Likewise.
13636
13637 2005-01-05  Julian Brown  <julian@codesourcery.com>
13638
13639         * config/arm/arm.c (arm_return_in_memory): Treat complex types
13640         as aggregates for AAPCS ABIs.
13641
13642 2005-01-05  Stan Shebs  <shebs@apple.com>
13643
13644         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
13645         Mach-O getters if ppc64.
13646         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
13647         size argument.
13648         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
13649         signed four-byte field for global code case.
13650         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
13651
13652 2005-01-05  Roger Sayle  <roger@eyesopen.com>
13653
13654         PR middle-end/19100
13655         * c-common.c: Include real.h.
13656         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
13657         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
13658         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
13659         * Makefile.in (c-common.o): Update dependencies.
13660
13661 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13662
13663         * c-parse.in (asm_string): Add trailing semicolon.
13664
13665 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13666
13667         * c-parse.in (asm_string): New.  Don't allow wide strings in
13668         'asm'.
13669         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
13670         asm_string instead of STRING.
13671
13672 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
13673
13674         * c-typeck.c (constructor_no_implicit): Remove.
13675         (set_designator, process_init_element): Don't check
13676         constructor_no_implicit.
13677
13678 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
13679             Kaz Kojima  <kkojima@gcc.gnu.org>
13680
13681         PR target/16482
13682         * lcm.c (create_pre_exit): New.
13683         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
13684         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
13685
13686 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13687
13688         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
13689         -msoft-float in target_float_switch.
13690         * arm.c (arm_override_options): Fix processing of target_float_switch.
13691
13692 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
13693
13694         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
13695         preferencing.
13696
13697 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
13698
13699         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
13700         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
13701
13702 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13703
13704         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
13705         if deleting the then-block allows the test-block to fallthru to the
13706         else-block.
13707
13708 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
13709
13710         PR c/19152
13711         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
13712         after the full declaration if the are in two different TUs.
13713
13714 2005-01-04  Richard Henderson  <rth@redhat.com>
13715
13716         PR tree-opt/19158
13717         * tree-sra.c (generate_one_element_init): Just
13718         call gimplify_and_add.
13719         (generate_element_init): Record the
13720         new referenced variables and mark them for renaming
13721         and split out to ...
13722         (generate_element_init_1): This.
13723         (scalarize_init): Don't call push_gimplify_context/
13724         pop_gimplify_context.
13725
13726 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
13727
13728         * toplev.c (get_src_pwd): Handle failure of getpwd().
13729
13730 2005-01-04  Roger Sayle  <roger@eyesopen.com>
13731
13732         * fold-const.c (fold_single_bit_test): Delete unreachable handling
13733         of TRUTH_NOT_EXPR.
13734         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
13735         all the cases handled by it are inverted by invert_truthvalue.
13736
13737 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13738
13739         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
13740         (save_register_windowsi): Likewise.
13741
13742 2005-01-04  Richard Henderson  <rth@redhat.com>
13743
13744         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
13745
13746 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13747
13748         PR middle-end/17767
13749         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
13750         any simplifications of vector mode comparison operators.
13751         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
13752
13753 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
13754             Devang Patel  <dpatel@apple.com>
13755
13756         PR tree-optimization/18308
13757         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
13758         the operands before creating a new expression.
13759         * dojump.c (do_jump): Make drop_through_label available
13760         for all cases.  Add expansion of COND_EXPR.
13761
13762 2005-01-04  Ira Rosen  <irar@il.ibm.com>
13763
13764         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
13765         INTEGER_CST instead of TREE_CONSTANT.
13766         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
13767         instead of TREE_CONSTANT.
13768         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
13769         instead of TREE_CONSTANT.
13770
13771 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
13772
13773         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
13774
13775 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
13776
13777         PR target/19240
13778         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
13779         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
13780
13781 2005-01-03  Richard Henderson  <rth@redhat.com>
13782
13783         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
13784         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
13785         fold_convert_const_real_from_real): Split out from ...
13786         (fold_convert_const): ... here.
13787
13788 2005-01-03  Richard Henderson  <rth@redhat.com>
13789
13790         PR target/19235
13791         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
13792         (mov<MMXMODEI>_internal): Likewise.
13793         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
13794         Add V2SF case; use it for SSE1; don't use TI.
13795         (movdf_integer): Likewise.
13796         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
13797
13798 2005-01-03  Ira Rosen  <irar@il.ibm.com>
13799
13800         * tree-vectorizer.c (vect_strip_conversions): New function.
13801         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
13802         check for binary class.
13803
13804 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
13805
13806         Fix PR debug/17924
13807         Fix PR debug/19191
13808         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
13809         is a decl.
13810         * gimple-low.c (mark_blocks_with_used_vars): New function.
13811         (mark_blocks_with_used_subblocks): Ditto.
13812         (mark_used_blocks): Ditto.
13813         (pass_mark_used_blocks): New pass.
13814         * tree-inline.c: Include debug.h.
13815         (expand_call_inline): Call outlining_inline_function here.
13816         * tree-optimize.c (init_tree_optimization_passes): Add
13817         pass_mark_used_blocks.
13818         * tree-pass.h (pass_mark_used_blocks): New.
13819         * Makefile.in (tree-inline.o): Add debug.h dependency.
13820
13821 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
13822
13823         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
13824         VAR_DECLs to have weak_import attribute.
13825
13826         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
13827         'struct ucontext'.
13828
13829 2004-01-03  Steven Bosscher  <stevenb@suse.de>
13830
13831         * passes.c (rest_of_compilation): Don't run regmove if only
13832         flag_expensive_optimizations, require flag_regmove instead.
13833
13834 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13835
13836         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
13837         register "sparc".
13838         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
13839         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13840         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
13841         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13842
13843 2005-01-03  Richard Henderson  <rth@redhat.com>
13844
13845         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
13846         (ia64_const_ok_for_letter_p): New.
13847         (ia64_const_double_ok_for_letter_p): New.
13848         (ia64_extra_constraint): New.
13849         (ia64_expand_vecint_compare): New.
13850         (ia64_expand_vcondu_v2si): New.
13851         (ia64_expand_vecint_cmov): New.
13852         (ia64_expand_vecint_minmax): New.
13853         (ia64_print_operand): Add 'v'.
13854         (ia64_preferred_reload_class): New.
13855         (ia64_vector_mode_supported_p): New.
13856         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
13857         (PREFERRED_RELOAD_CLASS): Move to function.
13858         (CONST_OK_FOR_LETTER_P): Move to function.
13859         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
13860         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
13861         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
13862         (EXTRA_CONSTRAINT): Move to function.
13863         * config/ia64/ia64.md: Include vect.md.
13864         (itanium_class): Add mmalua.
13865         (type): Handle it.
13866         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
13867         (1b_mmalua): New.
13868         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
13869         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
13870         CONST0_RTX.
13871         (const_int_2bit_operand): New.
13872         (fr_reg_or_0_operand): New.
13873         * config/ia64/ia64-modes.def: Add vector modes.
13874         * config/ia64/ia64-protos.h: Update.
13875         * config/ia64/vect.md: New file.
13876
13877 2005-01-03  Richard Henderson  <rth@redhat.com>
13878
13879         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
13880
13881 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
13882
13883         PR target/19236
13884         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
13885         to SFmode.
13886         (log1pdf2): Change mode of operands[0,1] to DFmode.
13887
13888 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
13889
13890         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
13891         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
13892         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
13893         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
13894         SPARC_RELAXED_ORDERING.
13895
13896 2005-01-03  Richard Henderson  <rth@redhat.com>
13897             Uros Bizjak  <uros@kss-loka.si>
13898
13899         PR target/14631
13900         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
13901         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
13902         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
13903         handling.
13904         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
13905         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
13906         const_pow2_1_to_128_operand): New predicates.
13907
13908 2005-01-02  Greg McGary  <greg@mcgary.org>
13909
13910         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
13911         anonymous decls.
13912         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
13913         object.  [ptr_type]: Remove unused variable.
13914         Remember nearest addressable array-element or record-component
13915         when checking bitfield components.  Tolerate empty BIND_EXPR.
13916
13917 2005-01-01  Richard Henderson  <rth@redhat.com>
13918
13919         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
13920         that don't narrow the value.  Fail for other conversions.
13921
13922 2005-01-01  Richard Henderson  <rth@redhat.com>
13923
13924         PR c/19031
13925         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
13926         * c-lang.c (finish_file): Don't do it here.
13927         * objc/objc-act.c (objc_finish_file): Likewise.
13928
13929         * cgraph.c (decl_assembler_name_equal): New.
13930         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
13931         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
13932         * cgraph.h (struct cgraph_varpool_node): Add next.
13933         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
13934         * varasm.c (assemble_alias): Mark the target as needed.
13935
13936 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
13937
13938         PR middle-end/19221
13939         * function.c (get_arg_pointer_save_area): Use entry_of_function
13940         instead of get_insns.
13941
13942 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13943             Andrew Pinski  <pinskia@physics.uc.edu>
13944             James E. Wilson  <wilson@specifixinc.com>
13945
13946         PR rtl-optimization/12092
13947         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
13948         is zero.
13949
13950 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13951             Olivier Hainque  <hainque@act-europe.fr>
13952
13953         * tree.c (int_fits_type_p): A narrower type always fits in a
13954         wider one, except for negative values into unsigned types.
13955
13956 2005-01-01  Roger Sayle  <roger@eyesopen.com>
13957
13958         * tree.c (int_fits_type_p): Compare the result of force_fit_type
13959         with the original constant rather than require TREE_OVERFLOW.
13960
13961 2005-01-01  Steven Bosscher  <stevenb@suse.de>
13962
13963         PR middle-end/17544
13964         * c-decl.c (finish_function): If compiling C99, annotate the
13965         compiler generated return with the current file name and line 0.
13966         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
13967         the source line is greater than 0.
13968         (remove_bb): Likewise.