gcc/ChangeLog

   1 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
   2
   3         PR other/20564
   4         * gcov.c (output_lines): Only output function block summary when
   5         outputting branch information.
   6         * doc/gcov.texi: Document format of preamble and additional block
   7         information lines.
   8
   9 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
  10
  11         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
  12         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
  13         the defaults false if BITS_PER_UNIT != 8.
  14         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
  15         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
  16         than BITS_PER_UNIT != 8.
  17         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
  18         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
  19         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
  20         #undefs.
  21         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
  22         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
  23
  24 2005-03-20  Roger Sayle  <roger@eyesopen.com>
  25
  26         PR middle-end/20539
  27         * fold-const.c (fold_binary): Fix type mismatch between
  28         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
  29         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
  30         for non-truth-valued expressions.
  31
  32         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
  33         and FUNCTION_DECL in the main switch.
  34         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
  35         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
  36         we also need to convert their operands to match.
  37         <TRUTH_NOT_EXPR>: Likewise.
  38
  39 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
  40
  41         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
  42         diagnostic without checking whether an lvalue.
  43         * c-common.h (lvalue_p): Remove.
  44         (enum lvalue_use): Update comment.
  45         (lvalue_or_else): Replace by lvalue_error.
  46         * c-typeck.c (lvalue_p): Make static.
  47         (lvalue_or_else): New.  Call lvalue_error.
  48
  49 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
  50
  51         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
  52         (function_arg_advance): Use rs6000_parm_start.
  53         (function_arg, rs6000_arg_partial_bytes): Likewise.
  54
  55 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
  56
  57         * c-common.c (check_case_value): Adjust comment about stripping
  58         NOPs.
  59         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
  60         * c-typeck.c (default_conversion, convert_arguments,
  61         build_modify_expr, convert_for_assignment, store_init_value,
  62         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
  63         manually.  Remove inaccurate comments.
  64
  65 2005-03-20  Roger Sayle  <roger@eyesopen.com>
  66             Joseph S. Myers  <joseph@codesourcery.com>
  67
  68         * varasm.c (do_assemble_alias): Restore comment describing function.
  69         Annotate the target parameter as potentially unused.
  70
  71 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
  72
  73         PR target/18551
  74         * config/avr/avr.c (avr_output_function_prologue): Do not use
  75         current_function_name() in a label, use a local label instead.
  76
  77 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
  78
  79         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
  80         flag_finite_math_only, not flag_unsafe_math_optimizations.
  81
  82 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
  83
  84         * builtins.c (fold_builtin_1): Update a call to
  85         targetm.fold_builtin.
  86         * hooks.c (hook_tree_tree_bool_null): Rename to
  87         hook_tree_tree_tree_bool_null.  Take one more argument of type
  88         tree.
  89         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
  90         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
  91         hook_tree_tree_tree_bool_null.
  92         * target.h (gcc_target): Update the prototype of fold_builtin.
  93         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
  94         arguments of CALL_EXPR.
  95         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
  96         new prototype.
  97
  98 2005-03-20  Jan Hubicka  <jh@suse.cz>
  99
 100         * cgraph.h (cgraph_node): Add prev_clone pointer.
 101         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
 102         (cgraph_clone_node): Produce doubly linked chain.
 103
 104 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 105
 106         * c-common.c (handle_aligned_attribute, check_function_sentinel,
 107         get_nonnull_operand, handle_sentinel_attribute,
 108         check_function_arguments_recurse): Do not strip NOPS from
 109         INTEGER_CSTs.
 110         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
 111         Likewise.
 112         * c-format.c (get_constant): Likewise.
 113         * c-parser.c (c_parser_postfix_expression): Likewise.
 114         * c-typeck.c (set_init_index): Likewise.
 115         (convert_arguments): Don't check for NOP_EXPR containing integer
 116         constant.
 117
 118 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 119
 120         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
 121         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
 122         Take decomposed arguments of CALL_EXPR.
 123         (fold_builtin_1): Update calls to the functions mentioned
 124         above.
 125
 126 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 127
 128         * c-decl.c (check_bitfield_type_and_width): Require bit-field
 129         width to have integer type.
 130         (build_enumerator): Require enumerator value to have integer type.
 131
 132 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 133
 134         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
 135         to __builtin_inff.
 136
 137 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 138
 139         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
 140         std=iso9899:199x): Correct descriptions.
 141
 142 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 143
 144         * config.gcc: Consistently use solaris2.1[0-9]* instead of
 145         solaris2.1[0-9].
 146
 147 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
 148
 149         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
 150         of CALL_EXPR.
 151         (expand_builtin_memcpy, fold_builtin_1): Update calls to
 152         fold_builtin_memcpy.
 153
 154         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
 155         arguments of CALL_EXPR.
 156         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
 157         fold_builtin_found, fold_builtin_1): Update calls to
 158         fold_trunc_transparent_mathfn.
 159
 160 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 161
 162         PR middle-end/20493
 163         * fold-const.c (fold_widened_comparison): Don't optimize casts of
 164         function pointers on targets that require function pointer
 165         canonicalization.
 166         (fold_sign_changed_comparison): Likewise.
 167
 168 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 169
 170         * combine.c (try_combine): When changing the mode of a hard reg, make
 171         sure that doing so is valid.
 172
 173 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
 174
 175         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
 176         (TARGET_HANDLE_OPTION): Override default.
 177         (avr_handle_option): New function.
 178         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
 179         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
 180         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
 181         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
 182         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
 183         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
 184         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
 185         (TARGET_OPTIONS): Delete.
 186         * config/avr/avr.opt: New file.
 187
 188 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 189
 190         * config/m32r/m32r-protos.h: Remove the prototypes for
 191         call_address_operand, symbolic_operand, seth_add3_operand,
 192         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 193         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 194         two_insn_const_operand, move_src_operand,
 195         move_double_src_operand, move_dest_operand,
 196         eqne_comparison_operator, signed_comparison_operator,
 197         large_insn_p, conditional_move_operand, carry_compare_operand,
 198         m32r_block_immediate_operand, extend_operand,
 199         reg_or_eq_int16_operand, int8_operand, and
 200         reg_or_zero_operand.
 201         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 202         seth_add3_operand, int8_operand, cmp_int16_operand,
 203         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 204         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 205         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 206         move_double_src_operand, move_dest_operand,
 207         eqne_comparison_operator, signed_comparison_operator,
 208         extend_operand, small_insn_p, large_insn_p,
 209         conditional_move_operand, carry_compare_operand,
 210         m32r_block_immediate_operand): Move to predicates.md.
 211         (MAX_MOVE_BYTES): Move to m32r.h.
 212         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 213         * config/m32r/m32r.md: Include predicates.md.
 214         * config/m32r/predicates.md: New.
 215
 216 2005-03-18  James E Wilson  <wilson@specifixinc.com>
 217
 218         PR c++/19769
 219         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
 220         origin.
 221
 222 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 223
 224         * config/mn10300/mn10300-protos.h: Remove the prototypes for
 225         call_address_operand, const_8bit_operand.
 226         * config/mn10300/mn10300.c (call_address_operand,
 227         const_8bit_operand, const_1f_operand): Move to predicates.md.
 228         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
 229         * config/mn10300/mn10300.md: Include predicates.md.
 230         * config/mn10300/predicates.md: New.
 231
 232 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
 233
 234         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
 235         declarations in diagnostics and %E for identifiers, not %s.
 236
 237 2005-03-18  Jan Hubicka  <jh@suse.cz>
 238             Dale Johannesen  <dalej@apple.com>
 239
 240         * basic-block.h (scale_bbs_frequencies_int,
 241         scale_bbs_frequencies_gcov_type): Declare.
 242         * cfg.c (RDIV): New macro.
 243         (update_bb_frequency_for_threading): Fix.
 244         * basic-block.h (scale_bbs_frequencies_int,
 245         scale_bbs_frequencies_gcov_type): New.
 246         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
 247         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
 248         scale_bbs_frequencies_int.
 249         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
 250
 251 >>>>>>> 2.7929
 252 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 253
 254         * config/m32r/m32r-protos.h: Remove the prototypes for
 255         call_address_operand, symbolic_operand, seth_add3_operand,
 256         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 257         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 258         two_insn_const_operand, move_src_operand,
 259         move_double_src_operand, move_dest_operand,
 260         eqne_comparison_operator, signed_comparison_operator,
 261         large_insn_p, conditional_move_operand, carry_compare_operand,
 262         m32r_block_immediate_operand, extend_operand,
 263         reg_or_eq_int16_operand, int8_operand, and
 264         reg_or_zero_operand.
 265         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 266         seth_add3_operand, int8_operand, cmp_int16_operand,
 267         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 268         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 269         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 270         move_double_src_operand, move_dest_operand,
 271         eqne_comparison_operator, signed_comparison_operator,
 272         extend_operand, small_insn_p, large_insn_p,
 273         conditional_move_operand, carry_compare_operand,
 274         m32r_block_immediate_operand): Move to predicates.md.
 275         (MAX_MOVE_BYTES): Move to m32r.h.
 276         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 277         * config/m32r/m32r.md: Include predicates.md.
 278         * config/m32r/predicates.md: New.
 279
 280         * config/pa/pa-protos.h: Add prototypes for magic_milli and
 281         shadd_constant_p.
 282         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
 283         symbolic_operand, symbolic_memory_operand,
 284         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
 285         indexed_memory_operand, move_dest_operand, move_src_operand,
 286         prefetch_cc_operand, prefetch_nocc_operand,
 287         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
 288         arith_operand, arith11_operand, pre_cint_operand,
 289         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
 290         ireg_operand, int5_operand, uint5_operand, int11_operand,
 291         uint32_operand, arith5_operand, and_operand, ior_operand,
 292         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
 293         pc_or_label_operand, div_operand, plus_xor_ior_operator,
 294         shadd_operand, movb_comparison_operator,
 295         cmpib_comparison_operator): Move to predicates.md.
 296         (magic_milli, shadd_constant_p): Make it extern.
 297         * config/pa/pa.h (PREDICATE_CODES): Remove.
 298         * config/pa/pa.md: Include predicates.md.
 299         * config/pa/predicates.md: New.
 300
 301         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
 302         predicate.
 303
 304 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 305
 306         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
 307         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
 308         config/alpha/freebsd.h, config/alpha/linux.h,
 309         config/alpha/netbsd.h, config/alpha/osf5.h,
 310         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
 311         config/h8300/h8300-protos.h, config/h8300/h8300.c,
 312         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
 313         doc/cppopts.texi: Update copyright.
 314
 315 2005-03-18  Jan Hubicka  <jh@suse.cz>
 316
 317         PR middle-end/20225
 318         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
 319         too late.
 320         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
 321         called too late.
 322
 323 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 324
 325         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
 326         VEC_safe_push.
 327
 328 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
 329
 330         * combine.c (gen_binary): Remove.
 331         (known_cond, simplify_shift_const, find_split_point,
 332         combine_simplify_rtx, simplify_if_then_else, simplify_set,
 333         simplify_logical, expand_field_assignment, extract_left_shift,
 334         force_to_mode, if_then_else_cond, apply_distributive_law,
 335         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
 336         simplify_comparison, reversed_comparison): Replace with
 337         simplify_gen_binary, simplify_gen_relational or
 338         distribute_and_simplify_rtx.
 339         (distribute_and_simplify_rtx): New function.
 340
 341 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
 342             Paolo Bonzini  <gcc.gnu.org>
 343
 344         * calls.c (setjmp_call_p, special_function_p): Update comments
 345         at the head of the functions.
 346
 347 2005-03-18  Jan Hubicka  <jh@suse.cz>
 348
 349         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
 350
 351         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
 352         function body should be released; do not proactively release function
 353         bodies in non-unit-at-a-time mode.
 354
 355 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
 356
 357         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
 358         mno-fp-ret-in-387 multilib variants.
 359
 360 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
 361
 362         * common.opt (m): Remove.
 363         * opts.c (handle_option): Pass 'm' options to set_target_switch if
 364         table lookup fails.
 365         (common_handle_option): Remove OPT_m case.
 366
 367 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 368
 369         * builtins.c (fold_builtin_bitop): Take decomposed arguments
 370         of CALL_EXPR.
 371         (fold_builtin_1): Update a call to fold_builtin_bitop.
 372
 373         * builtins.c (fold_builtin_signbit): Take decomposed arguments
 374         of CALL_EXPR.
 375         (fold_builtin_1): Update a call to fold_builtin_signbit.
 376
 377 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
 378
 379         PR tree-optimization/20474
 380         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
 381         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
 382
 383 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 384
 385         * config/h8300/h8300-protos.h: Remove prototypes for
 386         general_operand_src, general_operand_dst, single_one_operand,
 387         single_zero_operand, call_insn_operand,
 388         two_insn_adds_subs_operand, small_call_insn_operand,
 389         jump_address_operand, bit_operand, bit_memory_operand,
 390         stack_pointer_operand, const_int_gt_2_operand,
 391         const_int_ge_8_operand, const_int_qi_operand,
 392         const_int_hi_operand, incdec_operand, bit_operator,
 393         nshift_operator, eqne_operator, gtle_operator,
 394         gtuleu_operator, iorxor_operator.
 395         Add prototypes for h8sx_shift_type h8sx_classify_shift and
 396         h8300_ldm_stm_parallel.
 397         * config/h8300/h8300.c (h8sx_shift_type,): Move to
 398         h8300-protos.h.
 399         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
 400         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
 401         (h8300_ldm_stm_parallel): Make it extern.
 402         (h8300_ldm_parallel, h8300_stm_parallel,
 403         h8300_return_parallel, general_operand_src,
 404         general_operand_dst, h8300_dst_operand, h8300_src_operand,
 405         nibble_operand, reg_or_nibble_operand, single_one_operand,
 406         single_zero_operand, call_insn_operand,
 407         two_insn_adds_subs_operand, small_call_insn_operand,
 408         jump_address_operand, bit_operand, bit_memory_operand,
 409         stack_pointer_operand, const_int_gt_2_operand,
 410         const_int_ge_8_operand, const_int_qi_operand,
 411         const_int_hi_operand, incdec_operand, eqne_operator,
 412         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
 413         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
 414         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
 415         nshift_operator): Move to predicates.md.
 416         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
 417         * config/h8300/h8300.md: Include predicates.md.
 418         * config/h8300/predicates.md: New.
 419
 420 2005-03-17  Richard Henderson  <rth@redhat.com>
 421
 422         * config.gcc (ia64*-*-hpux*): Add extra_options.
 423         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
 424         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 425         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
 426         (ia64_tls_size_string, ia64_tune_string): Remove.
 427         (ia64_tune): Init to PROCESSOR_ITANIUM2.
 428         (TARGET_DEFAULT_TARGET_FLAGS): New.
 429         (TARGET_HANDLE_OPTION): New.
 430         (ia64_override_options): Move options parsing ...
 431         (ia64_handle_option): ... here.  New.
 432         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
 433         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
 434         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
 435         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
 436         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
 437         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
 438         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
 439         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
 440         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
 441         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
 442         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
 443         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
 444         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
 445         TARGET_EARLY_STOP_BITS): Remove.
 446         (TARGET_ILP32): Default false.
 447         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
 448         (enum ia64_inline_type): New.
 449         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 450         * config/ia64/ia64.md: Update for new definitions of
 451         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
 452         * config/ia64/ia64.opt: New file.
 453         * config/ia64/ilp32.opt: New file.
 454
 455 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 456
 457         PR target/18380
 458         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
 459
 460 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 461
 462         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
 463         instead of MASK_H8300S.
 464         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
 465         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
 466         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
 467         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
 468         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
 469         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
 470         TARGET_SWITCHES): Remove.
 471         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
 472         TARGET_H8300SX.
 473         * config/h8300/h8300.opt: New.
 474
 475         * config/alpha/alpha.opt, config/arc/arc.opt,
 476         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
 477         notices.
 478
 479 2005-03-17  Ian Lance Taylor  <ian@airs.com>
 480
 481         * gmon.c: Remove.
 482
 483 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
 484
 485         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
 486         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
 487         (TARGET_HANDLE_OPTION): Override default.
 488         (arc_handle_option): New function.
 489         (arc_init): Remove code to set arch_cpu_string.
 490         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
 491         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
 492         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
 493         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
 494         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
 495         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
 496         (arc_rodata_string, TARGET_OPTIONS): Delete.
 497         * config/arc/arc.opt: New file.
 498
 499 2005-03-17  Richard Henderson  <rth@redhat.com>
 500
 501         * doc/extend.texi (Weak Pragmas): New section.
 502         (attribute alias): Clarify that target must be in the same
 503         translation unit.
 504
 505 2005-03-17  Richard Henderson  <rth@redhat.com>
 506
 507         * config/alpha/alpha.opt: New file.
 508         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
 509         of alpha_cpu.
 510         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
 511         alpha_fprm_string, alpha_fptm_string): Make static.
 512         (alpha_tls_size_string): Remove.
 513         (alpha_handle_option): New.
 514         (override_options): Update for alpha_cpu/alpha_tune split.
 515         (alpha_file_start): Likewise.
 516         (TARGET_DEFAULT_TARGET_FLAGS): New.
 517         (TARGET_HANDLE_OPTION): New.
 518         * config/alpha/alpha.h (alpha_tune): Declare.
 519         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
 520         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
 521         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
 522         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
 523         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
 524         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
 525         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
 526         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
 527         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
 528         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
 529         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
 530         (TARGET_DEFAULT): Remove MASK_FP.
 531         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
 532         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
 533         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
 534         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
 535         alpha_tls_size_string): Remove.
 536         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
 537         (attribute tune): Rename from attribute cpu.
 538         * config/alpha/ev4.md: Update to match.
 539         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
 540         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
 541         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
 542         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
 543         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
 544         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
 545
 546 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
 547
 548         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
 549         and return without creating new state if before_nops_num is nonzero.
 550         * config/ia64/ia64.md (first_insn): New attribute.
 551         (alloc): Set it to yes.
 552
 553 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 554
 555         * tree-vectorizer.c (new_vec_stmt_info): Initialize
 556         STMT_VINFO_SUBVARS to NULL.
 557         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
 558
 559 2005-03-16 Dale Johannesen  <dalej@apple.com>
 560
 561         * rtlanal.c (find_first_parameter_load):  Rewrite to
 562         return actual first param load or the call if none,
 563         instead of first in block, when not all loads exist.
 564
 565 2005-03-16  Roger Sayle  <roger@eyesopen.com>
 566
 567         * optabs.c (expand_copysign_absneg): Make static.
 568         * optabs.h (expand_copysign_absneg): Delete prototype.
 569         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
 570
 571 2005-03-16  Richard Henderson  <rth@redhat.com>
 572
 573         PR middle-end/15700
 574         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
 575         (alias_pairs): Rename from output_defs.
 576         (find_decl_and_mark_needed): Split out from assemble_alias.
 577         (do_assemble_alias): New.
 578         (assemble_output_def): Remove.
 579         (finish_aliases_1, finish_aliases_2): New.
 580         (process_pending_assemble_output_defs): Remove.
 581         (assemble_alias): Defer aliases for which we don't yet have a
 582         non-external decl for the target symbol.
 583         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
 584         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
 585         * toplev.c (compile_file): Use finish_aliases_2 instead of
 586         process_pending_assemble_output_defs.
 587         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
 588         (process_pending_assemble_output_defs): Remove.
 589
 590 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 591
 592         Fix PR tree-optimization/20489
 593
 594         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
 595         for empty structures.
 596
 597 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 598
 599         Fix PR tree-optimization/20490
 600
 601         * tree-ssa-pre.c (create_expression_by_pieces): Use
 602         force_gimple_operand on result of fold.
 603
 604 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
 605
 606         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
 607         of closing parenthesis.
 608
 609 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
 610
 611         * builtins.c (expand_movstr): Update a call to
 612         fold_builtin_strcpy.
 613         (expand_builtin_strncpy): Update a call to
 614         fold_builtin_strncpy.
 615         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
 616         arguments of CALL_EXPR.
 617         (fold_builtin_1): Update calls to fold_builtin_strcpy and
 618         fold_builtin_strncpy.
 619         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
 620         * tree.h: Update the prototypes of fold_builtin_strcpy and
 621         fold_builtin_strncpy.
 622
 623 2005-03-16  Steven Bosscher  <stevenb@suse.de>
 624             Dorit Naishlos  <dorit@il.ibm.com>
 625
 626         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
 627         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
 628         error.
 629
 630 2005-03-16  Steven Bosscher  <stevenb@suse.de>
 631
 632         * tree-inline.c (walk_type_fields, walk_tree,
 633         walk_tree_without_duplicates): Move from here...
 634         * tree.c: ...to here.
 635
 636 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
 637
 638         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
 639         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
 640         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
 641         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
 642         (version): Define using $(BASEVER_c).
 643         (Makefile, config.status, build/gcov-iov.o): No longer depends on
 644         version.c.
 645         (version.o): Depend on version files; add custom generation command.
 646         (prefix.o): Define BASEVER on command line.
 647         (s-iov): Depend on version files; adjust command.
 648         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
 649         Add gcc-vers.texi.
 650         (gcc-vers.texi): New rule.
 651         (doc/%.info, doc/%.dvi): Add -I . to command line.
 652         (doc/gccinstall.dvi): Likewise.
 653         (PACKAGE): Delete.  All uses replaced with "gcc".
 654         * aclocal.m4: Do not include gcc-version.m4.
 655         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 656         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
 657         Set is_release based on contents of DEV-PHASE.
 658         Set gcc_version based on contents of BASE-VER.
 659         Define WIN32_REGISTRY_KEY only if the user overrode the default.
 660         * config.in, configure: Regenerate.
 661         * gccbug.in: Determine version of GCC in use at runtime.
 662         * gcov-iov.c: Get version number and development phase from
 663         command line, not by including version.c.
 664         * intl.c: Replace all uses of PACKAGE with "gcc".
 665         * libada-mk.in: Delete unused "gcc_version" variable.
 666         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
 667         * version.c: (VERSUFFIX): New hook for redistributors; adjust
 668         commentary to match.
 669         (version_string): Put together from pieces.
 670         * config/alpha/x-vms: Do not use $(gcc_version).
 671         * config/i386/t-nwld: Likewise.
 672         * doc/include/gcc-common.texi: Include gcc-vers.texi for
 673         version-GCC and DEVELOPMENT.
 674
 675 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 676
 677         PR tree-optimization/17454
 678         * tree.c (tree_size): Add case for TREE_BINFO.
 679         * fold-const.c (fold_checksum_tree): Only clear the overloaded
 680         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
 681
 682 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 683
 684         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
 685         op1 whilst expanding the signed widenening multiply variant.
 686
 687 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
 688
 689         * toplev.c (display_target_options): Avoid unused variable warning if
 690         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
 691         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
 692         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
 693         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
 694         (mips_isa_info): New variable.
 695         (mips_parse_cpu): Remove the first argument and leave the caller
 696         to report errors.
 697         (TARGET_HANDLE_OPTION): Override default.
 698         (mips_handle_option): New function.  Move option validation code from...
 699         (override_options): ...here.  Update calls to mips_parse_cpu.
 700         * config/mips/mips.h (mips_arch_string, mips_tune_string)
 701         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
 702         (SUBTARGET_TARGET_OPTIONS): Delete.
 703         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
 704         (mno-flush-func, mtune=): New options.
 705
 706 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 707             Richard Henderson  <rth@redhat.com>
 708
 709         * real.c (c4x_single_format, c4x_extended_format): Provide values
 710         for signbit_ro for c4x's single and extended floating point formats.
 711         * optabs.c (expand_copysign): Use the floating point format's
 712         signbit_ro for expanding via expand_copysign_absneg, and it's
 713         signbit_rw field for expanding via expand_copysign_bit.
 714
 715 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
 716
 717         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
 718         known_alignment_for_access_p.
 719         (known_alignment_for_access_p): New.
 720         (do_peeling_for_alignment): Field made int instead of bool and renamed
 721         to peeling_for_alignment.
 722         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
 723         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
 724         functionality used to be in vect_analyze_operations.
 725         (vect_analyze_operations): Code to determine vectorization factor was
 726         moved to vect_determine_vectorization_factor.
 727         (vect_enhance_data_refs_alignment): Update to correct alignment when it
 728         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
 729         factor.
 730         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
 731         be part of vect_analyze_operations).
 732         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
 733         creating the guard condition, as the number of iterations may be
 734         constant.
 735         (slpeel_tree_peel_loop_to_edge): Use new name of
 736         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
 737         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
 738         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
 739         (vect_do_peeling_for_alignment): Use fold.
 740         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
 741
 742         (vect_update_inits_of_dr): Renamed to
 743         vect_update_init_of_dr.
 744         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
 745         (vectorizable_store): Fix assertion to use == instead of =.
 746
 747 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
 748
 749         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
 750         call_used_regs for wCG registers.
 751
 752 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
 753
 754         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
 755         for non-offsettable memory references to cope with outstanding reload
 756         replacements, take 2.
 757
 758 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
 759
 760         PR target/18668
 761         * config/i386/i386.h (x86_fisttp): New.
 762         (TARGET_FISTTP): New macro.
 763         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
 764         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
 765         instruction when fisttp flag is set.
 766         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
 767
 768         * config/i386/i386.md (type attribute): Add fisttp.
 769         (unit attribute): Set to i387 for fisttp type.
 770         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
 771         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
 772         TARGET_FISTTP.
 773         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
 774         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
 775         macros.
 776         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
 777         patterns for TARGET_FISTTP.  Enable patterns for
 778         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
 779         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
 780         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
 781         implement fisttp x87 insn.
 782         (fix_trunc*_i387_fisttp splitters): New patterns.
 783         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
 784         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
 785         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
 786         clobber.
 787         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
 788         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
 789         Implement using mode macros. Disable patterns for TARGET_FISTTP.
 790         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
 791         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
 792         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
 793         Disable patterns for TARGET_FISTTP.
 794         (fix_trunc*_i387 splitters): Implement usign mode macros.
 795         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
 796         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
 797         (fix_trunx*_sse peephole2s): Implement using mode macros.
 798
 799 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
 800
 801         PR rtl-optimization/20291
 802         * combine.c (try_combine): If splitting fails, re-try with
 803         original combined pattern, i.e. before clobber stripping.
 804
 805 2005-03-14  Eric Christopher  <echristo@redhat.com>
 806
 807         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
 808         STACK_GROWS_DOWNWARD.
 809
 810 2005-03-14  Roger Sayle  <roger@eyesopen.com>
 811
 812         * real.h (struct real_format): Split the signbit field into two
 813         two fields, signbit_ro and signbit_rw.
 814         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
 815         mips_double_format, ieee_extended_motorola_format,
 816         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
 817         ieee_extended_intel_128_format, ibm_extended_format,
 818         mips_extended_format, ieee_quad_format, mips_quad_format,
 819         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
 820         i370_double_format, c4x_single_format, c4x_extended_format,
 821         real_internal_format): Update initializers for new field.
 822         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
 823         real_format structure.
 824         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
 825         field of the real_format structure.
 826
 827 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
 828
 829         Fix PR tree-optimization/20458
 830
 831         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
 832         DECL_EXTERNAL on STRUCT_FIELD tags.
 833         (clear_call_clobbered): Ditto.
 834         * tree-ssa-operands.c (note_addressable): Make sure the original
 835         variable doesn't slip into the addressable list if we have
 836         subvars.
 837         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
 838         tags too.
 839
 840 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
 841
 842         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
 843         (-fwide-exec-charset): Likewise.
 844         (-finput-charset): Likewise.
 845         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
 846         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
 847         * c.opt (Wnormalized): New.
 848
 849 2005-03-14  Devang Patel  <dpatel@apple.com>
 850
 851         * doc/invoke.texi: Add reference to Visibility document.
 852
 853 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
 854
 855         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
 856         MASK_SPLIT_ADDRESSES.
 857         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
 858         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
 859         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
 860         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
 861         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
 862         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
 863         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
 864         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
 865         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
 866         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
 867         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
 868         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
 869         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
 870         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
 871         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
 872         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
 873         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
 874         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
 875         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
 876         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
 877         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
 878         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
 879         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
 880         (TARGET_EXPLICIT_RELOCS): Delete.
 881         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
 882         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
 883         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
 884         (override_options): Set MASK_LONG64 if -mint64 is given and no
 885         -mlongXX option is.  Complain about -mint64 -mlong32.
 886         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
 887         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
 888         * config/mips/mips.opt: New file.
 889
 890 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
 891
 892         * config.gcc (extra_options): New variable for listing option files.
 893         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
 894         * configure.ac (extra_opt_files): New AC_SUBST variable.
 895         (tm_file_list, tm_include_list): Include options.h first.
 896         * configure: Regenerate.
 897         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
 898         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
 899         (s-options-h): New rule.
 900         (options.h): Depend on it.
 901         (TEXI_GCCINT_FILES): Add options.texi.
 902         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
 903         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
 904         * target.h (gcc_target): Add default_target_flags and handle_option.
 905         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
 906         (TARGET_HANDLE_OPTION): New macros.
 907         (TARGET_INITIALIZER): Include them.
 908         * opt-functions.awk (opt_args, nth_arg): New functions.
 909         (switch_flags): Handle the "Target" flag.
 910         (var_args): Delete.
 911         (var_name): Use opt_args and nth_arg.
 912         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
 913         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
 914         macros for the "Mask" and "InverseMask" options.
 915         * opts.h (cl_var_cond): New enum.
 916         (cl_option): Replace the "has_set_value" and "set_value" fields with
 917         "var_cond" and "var_value".
 918         (CL_TARGET): New macro.
 919         (option_enabled, print_filtered_help): Declare.
 920         (decode_options): Move definition.
 921         * opts.c (handle_option): Search for the original option before
 922         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
 923         var_cond and var_value fields.  Use targetm.handle_option to handle
 924         target options.
 925         (decode_options): Set target_flags to targetm.default_target_flags.
 926         (print_filtered_help): Make global.  Handle CL_TARGET.
 927         (option_enabled): New function.
 928         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
 929         (display_target_options, set_target_switch, print_switch_values)
 930         (default_pch_valid_p): Guard uses of target_switches with
 931         #ifdef TARGET_SWITCHES.  Also...
 932         (display_target_options): Display the CL_TARGET entries in cl_options.
 933         (set_target_option): Don't complain about the "" option when
 934         TARGET_SWITCHES is undefined.
 935         (print_switch_values): Use option_enabled.
 936         (default_pch_valid_p): Check cl_options[] when looking for something
 937         that has changed the value of target_flags.
 938         * c.opt: Remove documentation from top of file.
 939         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
 940         * doc/sourecebuild.texi: Refer to the new options documentation
 941         instead of c.opt.  Document machine-specific .opt files.
 942         * doc/tm.texi (target_flags): Say that this variable is declared
 943         by options.h.
 944         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
 945         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
 946         an alternative.
 947         * doc/options.texi: New file.
 948
 949 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
 950
 951         PR middle-end/18628
 952         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
 953         register.
 954
 955 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
 956
 957         PR c++/20280
 958         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
 959         temporary variable of pointer type if an lvalues is required.
 960         (gimplify_modify_expr_rhs): Request an rvalue from it.
 961         (gimplify_expr): Pass fallback on.
 962
 963 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
 964
 965         * cfgbuild.c: Update comments.
 966
 967 2005-03-14  Roger Sayle  <roger@eyesopen.com>
 968
 969         PR rtl-optimization/17236
 970         * optabs.c (expand_doubleword_mult): New helper function split out
 971         from expand_binop.  Permute the order in which instructions are
 972         emitted to minimize the number of simultaneously live registers.
 973         (expand_binop): Call expand_doubleword_mult to synthesize a double
 974         word multiplication.
 975
 976 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
 977
 978         * basic-block.h: Update the prototypes of cached_make_edge and
 979         rtl_make_eh_edge.
 980         * cfg.c (cached_make_edge): Take edge_cache representing one
 981         row of the adjacency matrix of edges.
 982         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
 983         (make_edges): Initialize edge_cache to represent one row of
 984         the adjacency matrix of edges.
 985
 986 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
 987
 988         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
 989         New functions.
 990         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
 991         Remove unused removed_phis variable.
 992         (conditional_replacement): Use build1/build2.
 993         (abs_replacement): Use last_and_only_stmt and build1/build2.
 994
 995 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
 996
 997         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
 998         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
 999         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1000         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1001         * c-common.c (handle_novops_attribute): New function.
1002         (c_common_attribute_table): Add "no vops" entry.
1003         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1004         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1005         * tree-ssa-operands.c (get_call_expr_operands): Do not
1006         create virtual operands for calls with ECF_NOVOPS flag.
1007         * tree.h (DECL_IS_NOVOPS): New macro.
1008         (struct tree_decl): Add novops_flag.
1009         (ECF_NOVOPS): New constant.
1010
1011 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1012
1013         PR target/17688
1014         * config/i386/i386.c (x86_use_himode_fiop): New.
1015         (x86_use_simode_fiop): Rename from x86_use_fiop.
1016         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1017         (TARGET_USE_HIMODE_FIOP): New.
1018         (x86_use_simode_fiop): Rename from x86_use_fiop.
1019         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1020
1021         * config/i386/i386.md (X87MODEI12): New mode macro define.
1022         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1023         to implement x87 FP compare with HImode input operands.
1024         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1025         Use X87MODEI12 mode macro to handle HImode input operands.
1026         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1027         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1028         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1029         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1030         macro to implement x87 operators with HImode input operands.
1031         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1032         input operands.
1033
1034 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1035
1036         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1037         integer_zerop.
1038         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1039         constants invariant.
1040
1041 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1042
1043         * basic-block.h (BB_VISITED): Removed.
1044         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1045
1046 2005-03-14  Falk Hueffner  <falk@debian.org>
1047
1048         PR bootstrap/20424
1049         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1050
1051 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1052
1053         * ggc-zone.c: Fix comment typos.
1054
1055         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1056         stringpool.c, config/mips/mips-protos.h: Update copyright.
1057
1058 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1059
1060         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1061         throughout with its typedef, "rtx".
1062         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1063         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1064         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1065         regs in comment to match code.
1066
1067 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1068
1069         * except.c (check_handled): Make it static.
1070         * except.h: Remove the corresponding prototype.
1071
1072         * function.c (get_func_frame_size): Make it static.
1073         * function.h: Remove the corresponding type.
1074
1075         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1076         Make them static.
1077         * hard-reg-set.h: Remove the corresponding declarations.
1078
1079         * tree-cfg.c (verify_stmts): Check that
1080         bb_for_stmt (stmt) == bb for every PHI node and statement.
1081
1082 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1083
1084         * config.gcc: Remove excess indentation.
1085         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1086
1087 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1088
1089         PR middle-end/19331
1090         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1091         * fold-const.c (fold_sign_changed_comparison): Likewise.
1092         (fold_binary): Optimize comparisons against widened operands if
1093         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1094
1095 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1096
1097         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1098         (sparc_override_options): Initialize it.
1099         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1100
1101 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1102
1103         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1104         (reg_or_none500mem_operand): New predicate.
1105         (zero_reg_mem_operand): New predicate.
1106         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1107         to reg_or_none500mem_operand.
1108         (extendsfdf2_fpr): Add MEM alternative.
1109         (extenddftf2_internal): Change operand2 predicate to
1110         zero_reg_mem_operand.
1111
1112 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1113
1114         * ggc-zone.c: Rewritten.
1115
1116         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1117         if there are none.
1118         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1119         * config.in: Regenerated.
1120         * configure: Regenerated.
1121         * gengtype.c (write_types_process_field, write_func_for_structure):
1122         Pass new argument to gt_pch_note_object.
1123         * ggc-common.c (struct ptr_data): Add TYPE.
1124         (gt_pch_note_object): Take TYPE argument and save it.
1125         (call_count): Update call to ggc_pch_count_object.
1126         (call_alloc): Update call to ggc_pch_alloc_object.
1127         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1128         file.
1129         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1130         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1131         (ggc_alloc_zone_stat): Delete.
1132         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1133         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1134         (ggc_pch_alloc_object): Update prototypes.
1135         (garbage_zone): Delete.
1136         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1137         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1138         pointers.
1139         (tree_id_zone): New variable.
1140         (ggc_alloc_cleared_zone): Remove unused.
1141         (ggc_alloc_zone): Define.
1142         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1143         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1144         ggc_alloc_zone_stat.
1145         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1146         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1147         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1148         (make_node_stat): Likewise.  Use tree_id_zone.
1149
1150 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1151             Joseph S. Myers  <joseph@codesourcery.com>
1152
1153         * configure.ac: Check for MIPS TLS.
1154         * configure: Regenerated.
1155         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1156         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1157         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1158         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1159         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1160         (mips_classify_symbol, mips_symbolic_constant_p)
1161         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1162         (mips_tls_operand_p, mips_call_tls_get_addr)
1163         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1164         (mips_tls_symbol_ref_1): New functions.
1165         (mips_legitimize_address, mips_legitimize_const_move): Call
1166         mips_legitimize_tls_address.
1167         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1168         for MIPS16.
1169         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1170         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1171         (mips_char_to_class): Document V1_REG.
1172         (HAVE_AS_TLS): Provide default.
1173         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1174         constants.
1175         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1176         !TARGET_ABICALLS.
1177         (tls_get_tp_<mode>): New instruction.
1178
1179 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1180
1181         * configure.ac: Update checks for target tools.
1182         * configure: Regenerated.
1183
1184 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1185
1186         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1187
1188 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1189
1190         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1191         more classes of DImode multiplication by constant.  Allow both
1192         multiplication by small negative constants (by performing a
1193         multiplication by a positive constant and negating the result) and
1194         multiplications by large powers of two, by using a left shift.
1195
1196 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1197
1198         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1199         of basic blocks into work_stack.
1200
1201         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1202         config/mips/vr.h: Update copyright.
1203
1204         * c-decl.c (c_init_decl_processing): Remove useless calls to
1205         build_function_type.
1206
1207         * builtins.c (fold_trunc_transparent_mathfn,
1208         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1209         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1210         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1211         fold_builtin_strcpy, fold_builtin_strncpy,
1212         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1213         TREE_TYPE (exp).
1214
1215         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1216         before_call.
1217
1218         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1219         variable determinant.
1220
1221         * tree-cfg.c (group_case_labels): Remove local variable type.
1222
1223         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1224         variable ann.
1225
1226         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1227         result.
1228
1229 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1230
1231         PR target/18251
1232         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1233         (*movmemqi_insn): Delete.
1234         (*movmemhi): Delete.
1235
1236 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1237
1238         * builtins.c (fold_builtin_classify): Take decomposed
1239         arguments of CALL_EXPR.
1240         (fold_builtin_1): Update a call to fold_builtin_classify.
1241
1242 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1243
1244         PR c/20402
1245         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1246         through into call to parser_xref_tag after parse error.
1247         (c_parser_struct_declaration): Consistently return NULL_TREE on
1248         error.
1249
1250 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1251
1252         * tree-flow-inline.h (ref_contains_array_ref): New function.
1253         (lookup_subvars_for_var): Ditto.
1254         (get_subvars_for_var): Ditto.
1255         (var_can_have_subvars): Ditto.
1256
1257         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1258         (struct subvar): New type.
1259
1260         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1261
1262         * tree-optimize.c (init_tree_optimization_passes): Call
1263         pass_create_structure_vars.
1264
1265         * tree-ssa-alias.c: Include vec.h.
1266         (init_alias_info): Don't auto-clear call clobbered on struct-field
1267         tags.
1268         (compute_flow_insensitive_aliasing): Handle subvars.
1269         (group_aliases): Handle STRUCT_FIELD aliases.
1270         (setup_pointers_and_addressables): Ditto.
1271         Don't mark variables non-addressable if they still have
1272         addressable subvars.
1273         Also mark subvars addressable when the real variable is marked
1274         addressable.
1275         (add_pointed_to_var): Try to prune the pointed-to set by only
1276         pointing to subvars when possible.
1277         Otherwise, make sure we set addresses_needed and pt_vars to
1278         properly include subvars.
1279         (bitpos_of_field): New function.
1280         (push_fields_onto_fieldstack): Ditto.
1281         (get_or_create_used_part_for): Ditto.
1282         (create_overlap_variables_for): Ditto.
1283         (find_used_portions): Ditto.
1284         (create_structure_vars): Ditto.
1285         (pass_create_structure_vars): New structure.
1286
1287         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1288         (get_expr_operands): Handle subvars.  Also try to turn
1289         COMPONENT_REF accesses into must-defs now that we can accurately
1290         portray it.
1291         (note_addressable): Try to only mark as addressable those subvars
1292         we know a COMPONENT_REF touches.
1293         (overlap_subvar): New function.
1294
1295         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1296         Handle subvar storing.
1297         (vect_address_analysis): Update caller of vect_object_analysis.
1298
1299         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1300
1301         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1302         (STMT_VINFO_SUBVARS): New macro.
1303
1304         * common.opts: add flag_tree_salias.
1305
1306         * opts.c (decode_options): flag_tree_salias defaults to on.
1307
1308         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1309
1310         * doc/tree-ssa.texi: Document structural alias analysis.
1311
1312 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1313
1314         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1315         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1316         * tree-ssa-operands.c (get_expr_operands): Likewise.
1317         (get_expr_operands): Likewise for ERROR_MARK.
1318
1319 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1320
1321         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1322         var.
1323
1324         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1325         removed_phis.
1326
1327         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1328         (mark_operand_necessary): Remove local variable ver.
1329
1330         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1331         variable prefix_len.
1332
1333         * value-prof.c (mod_subtract_transform): Remove local variable
1334         value.
1335
1336         * builtins.c (fold_builtin_exponent): Take decomposed
1337         arguments of CALL_EXPR.
1338         (fold_builtin_1): Update a call to fold_builtin_exponent.
1339
1340         * builtins.c (fold_builtin_logarithm): Take decomposed
1341         arguments of CALL_EXPR.
1342         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1343
1344         * c-decl.c (c_init_decl_processing): Remove local variables
1345         ptr_ftype_void and ptr_ftype_ptr.
1346
1347         * gimplify.c (gimplify_expr): Remove local variables r0 and
1348         r1.
1349
1350         * reg-stack.c (move_for_stack_reg): Remove local variable
1351         push_insn.
1352         (compare_for_stack_reg): Remove local variable flags_user.
1353         (convert_regs_1): Remove local variable deleted.
1354
1355         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1356         variable new_cond.
1357         (combine_blocks): Remove local variables exits and new_e.
1358
1359         * tree-inline.c (expand_call_inline): Remove local variable
1360         decl.
1361
1362         * tree-ssa-live.c (create_ssa_var_map,
1363         calculate_live_on_entry): Remove local variable snn.
1364
1365 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1366
1367         * c-lex.c (c_lex_with_flags): Add parameter to call to
1368         cpp_spell_token.
1369
1370 2005-03-11  Per Bothner  <per@bothner.com>
1371
1372         * c-tree.h (struct c_declarator): New id_loc field.
1373         * c-pragma.h (c_lex_with_flags): Take position reference.
1374         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1375         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1376         (c_lex): Pass dummy location to c_lex_with_flags.
1377         * c-parser.c (c_lex_one_token): Set c_token's location using
1378         c_lex_with_flags, instead of input_location, which might be "ahead".
1379         (c_parser_direct_declarator): Set declarator's id_loc from
1380         c_token's id_loc.
1381         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1382         declarator's id_loc, rather than probably-imprecise input_location.
1383         (build_id_declarator): Initialize c_declarator's id_loc field.
1384
1385 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1386
1387         PR middle-end/20419
1388         * builtins.c (expand_builtin_signbit): Force the signbit's word
1389         into an integer register to avoid SUBREGs of floating point modes.
1390
1391 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1392
1393         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1394         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1395         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1396         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1397
1398 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1399
1400         PR rtl-optimization/20306
1401         * expr.c (emit_move_complex): Set try_int false if mode is
1402         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1403         emit_block_move if try_int is true.
1404
1405 2005-03-11  Richard Henderson  <rth@redhat.com>
1406
1407         PR target/20415
1408         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1409         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1410         to match.
1411
1412 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1413
1414         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1415         (TARGET_FIX_VR4130): New macro.
1416         (TARGET_OPTIONS): Add -mfix-vr4130.
1417         (ISA_HAS_MACCHI): New macro.
1418         (ASM_SPEC): Add -mfix-vr4130.
1419         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1420         (override_options): Handle mips_fix_vr4130_string.
1421         (mips_avoid_hazards): Clear all_noreorder_p
1422         if we're working around VR4130 errata and the macc alternatives
1423         are not available.
1424         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1425         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1426         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1427         (MULTILIB_DEFAULTS): Remove leading "march=".
1428         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1429         if no architecture option is given.
1430         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1431         VR4130 multilibs.
1432         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1433         * doc/invoke.texi: Document -mfix-vr4130.
1434
1435 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1436
1437         * config/mips/mips.c (override_options): Only warn about -mint64
1438         deprecation if TARGET_INT64.
1439
1440 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1441
1442         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1443         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1444         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1445         are non-specific regarding the nonnull parameter positions.
1446         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1447         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1448         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1449         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1450
1451         * builtins.def: Use the non-specific "nonnull" attibute lists.
1452
1453 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1454
1455         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1456         single_pred_edge, single_succ, single_pred): Improve comments.
1457
1458 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1459
1460         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1461         single_pred_edge, single_succ, single_pred): New inline functions.
1462         * bb-reorder.c (rotate_loop, find_traces_1_round,
1463         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1464         duplicate_computed_gotos): Use the single_succ/pred functions.
1465         * cfganal.c (forwarder_block_p): Ditto.
1466         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1467         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1468         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1469         merge_seq_blocks): Ditto.
1470         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1471         * cfglayout.c (fixup_reorder_chain): Ditto.
1472         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1473         canonicalize_loop_headers, verify_loop_structure): Ditto.
1474         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1475         mfb_update_loops, create_preheader, force_single_succ_latches,
1476         create_loop_notes): Ditto.
1477         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1478         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1479         commit_one_edge_insertion, purge_dead_edges,
1480         cfg_layout_can_merge_blocks_p): Ditto.
1481         * except.c (sjlj_emit_function_enter): Ditto.
1482         * flow.c (init_propagate_block_info): Ditto.
1483         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1484         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1485         insert_insn_end_bb): Ditto.
1486         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1487         find_if_case_2): Ditto.
1488         * lambda-code.c (perfect_nestify): Ditto.
1489         * lcm.c (optimize_mode_switching): Ditto.
1490         * loop-doloop.c (doloop_modify): Ditto.
1491         * loop-init.c (loop_optimizer_init): Ditto.
1492         * loop-iv.c (simplify_using_initial_values): Ditto.
1493         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1494         * loop-unswitch.c (unswitch_loop): Ditto.
1495         * modulo-sched.c (generate_prolog_epilog): Ditto.
1496         * predict.c (combine_predictions_for_insn, estimate_probability,
1497         tree_estimate_probability, last_basic_block_p,
1498         estimate_bb_frequencies): Ditto.
1499         * profile.c (branch_prob): Ditto.
1500         * regrename.c (copyprop_hardreg_forward): Ditto.
1501         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1502         * tracer.c (layout_superblocks): Ditto.
1503         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1504         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1505         cleanup_control_expr_graph, disband_implicit_edges,
1506         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1507         tree_verify_flow_info, tree_make_forwarder_block,
1508         tree_forwarder_block_p, remove_forwarder_block,
1509         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1510         * tree-if-conv.c (tree_if_conversion): Ditto.
1511         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1512         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1513         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1514         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1515         copy_loop_headers): Ditto.
1516         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1517         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1518         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1519         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1520         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1521         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1522         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1523         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1524         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1525         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1526         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1527         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1528         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1529         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1530         slpeel_add_loop_guard): Ditto.
1531
1532 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1533
1534         PR tree-optimization/15784
1535         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1536         and -1 - A to ~A.
1537
1538         * stmt.c (expand_case): Don't change index_type.  Convert minval
1539         to the proper type.
1540
1541         PR tree-optimization/20130
1542         * fold-const.c (fold): Fold x * -1 into -x.
1543
1544 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1545
1546         PR rtl-optimization/20331
1547         * rtlanal.c (modified_between_p): Check its address first for MEM.
1548         (modified_in_p): Likewise.
1549
1550 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1551
1552         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1553
1554 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1555
1556         * expr.c (expand_expr_real_1): If possible, use a conditional
1557         move for expanding MIN_EXPR and MAX_EXPR.
1558         Use temp for moving around rtx-en.
1559
1560 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1561
1562         PR rtl-opt/20412
1563         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1564         correct mode.
1565
1566 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1567
1568         * builtins.c (expand_builtin_signbit): Extend to handle floating
1569         point modes wider than the largest integer type, using the
1570         operand_subword_force function to obtain the signbit's word.
1571
1572 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1573
1574         PR target/20322
1575         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1576         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1577
1578 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1579
1580         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1581
1582 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1583
1584         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1585         type void.
1586         (perform_edge_inserts): Unconditionally call
1587         free_dominator_info.
1588
1589         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1590
1591 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1592
1593         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1594
1595 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1596
1597         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1598
1599         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1600         gcc_unreachable.
1601         (rtl_register_value_prof_hooks,
1602         tree_value_profile_transformations,
1603         tree_register_value_prof_hooks): Likewise.
1604         * var-tracking.c (stack_adjust_offset_pre_post,
1605         variable_htab_free, variable_union, dataflow_set_different_2,
1606         count_uses, variable_was_changed, set_frame_base_location,
1607         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1608         vt_add_function_parameters): Likewise.
1609         * varasm.c (named_section_real, named_section, make_decl_rtl,
1610         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1611         const_hash_1, compare_constant, copy_constant, force_const_mem,
1612         output_constant_pool_2, output_constant_pool_1, output_constant,
1613         output_constructor, make_decl_one_only, decl_tls_model,
1614         default_no_named_section, default_elf_select_section_1,
1615         default_unique_section_1): Likewise.
1616         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1617         * vmsdbgout.c (addr_const_to_string): Likewise.
1618
1619         PR c++/20375
1620         * function.c (struct assign_parm_data_one): Remove last_named
1621         field.
1622         (assign_parm_find_data_types): Don't determine last_named.
1623         Reorder named_parm determination.
1624         (assign_parms): Only setup varargs on the last non-varadic
1625         parameter.
1626
1627 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1628
1629         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1630         sda base address on medium model.
1631
1632 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1633
1634         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1635         * cfgloop.c (flow_loop_nodes_find): Export.
1636         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1637         Declare.
1638         * cfgloopmanip.c (fix_loop_structure): New function.
1639         * predict.c (predict_loops): Clean up the loops information.
1640         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1641         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1642         loop structure.
1643         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1644         (rewrite_into_loop_closed_ssa): Declaration changed.
1645         * tree-loop-linear.c (linear_transform_loops): Add argument to
1646         rewrite_into_loop_closed_ssa call.
1647         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1648         * tree-ssa-loop-im.c (move_computations): Ditto.
1649         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1650         * tree-vectorizer.c (vectorize_loops): Ditto.
1651         * tree-optimize.c: Include cfgloop.h.
1652         (execute_todo): Choose whether to call cleanup_tree_cfg or
1653         cleanup_tree_cfg_loop.
1654         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1655         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1656         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1657         cleanup_tree_cfg_loop call.
1658         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1659         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1660         work on part of cfg.
1661
1662 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1663
1664         PR inline-asm/20314
1665         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1666         with multiple alternatives.
1667
1668         * stmt.c (parse_output_constraint): Fix a typo.
1669
1670 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1671
1672         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1673         assembly directive instead of deprecated "no-generics".
1674
1675 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1676
1677         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1678         for non-offsettable memory references to cope with outstanding reload
1679         replacements.
1680         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1681         avoid losing outstanding address reloads.
1682         ("reload_outdi", "reload_outdf"): Likewise.
1683
1684 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1685
1686         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1687         code.  Add more cbrt transformations.
1688
1689 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1690
1691         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1692
1693 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1694
1695         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1696         NULL_TREE when a given tree is not simplified.
1697         (fold): Return the original tree when any of the functions
1698         mentioned above NULL_TREE.
1699
1700         * fold-const.c (fold_unary, fold_binary): Take decomposed
1701         arguments, code, type, op0, and op1 in case of fold_binary.
1702         (fold): Update calls to fold_unary and fold_binary.
1703
1704 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1705
1706         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1707         a fndecl and an arglist instead of a CALL_EXPR, exp.
1708
1709 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1710
1711         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1712
1713         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1714
1715         * expr.c (expand_assignment): Remove orig_to_rtx.
1716
1717         * fold-const.c (int_const_binop): Remove no_overflow.
1718
1719         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1720
1721         * loop-iv.c (get_biv_step_1): Remove lhs.
1722
1723         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1724
1725         * real.c (real_nan): Remove neg.
1726
1727         * function.c (thread_prologue_and_epilogue_insns): Remove i
1728         and newinsn.
1729
1730         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1731         tb.
1732
1733         * tree-eh.c (tree_could_trap_p): Remove idx.
1734
1735         * tree-into-ssa.c (ann): Remove ann.
1736
1737         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1738
1739         * tree-sra.c (decide_block_copy): Remove inst_count.
1740
1741         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1742
1743         * tree-ssa-loop-im.c (lhs): Remove.
1744
1745         * cfgbuild.c (state, STATE, SET_STATE,
1746         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1747         make_edges.
1748         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1749         (find_basic_blocks): Set the state of each basic block to
1750         BLOCK_NEW.
1751
1752 2005-03-08  Jeff Law  <law@redhat.com>
1753
1754         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1755         goto results in the removal of edges in the CFG, then we need
1756         to recompute dominators.
1757
1758 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1759
1760         * c-common.c (c_do_switch_warnings): Comment fix.
1761
1762 2005-03-08  Julian Brown  <julian@codesourcery.com>
1763
1764         * Patch from 2005-03-08 reverted for causing regressions and
1765         ppc-darwin bootstrap failure.
1766
1767 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1768
1769         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1770         Define the real function for ppc-darwin.
1771         * c-typeck.c (convert_arguments): Check for target-specific
1772         invalid argument call to unprototyped function.
1773         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1774         New Macro.
1775         * target.h (invalid_arg_for_unprototyped_fn): New field
1776         in struct calls.
1777         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1778         default target hook.
1779         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1780         Declare.
1781
1782 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1783
1784         * c-typeck.c (constructor_stack, constructor_range_stack,
1785         initializer_stack): Make them static.
1786
1787         * cfg.c (rbi_pool): Make it static.
1788
1789         * gimple-low.c (lower_stmt_body): Make it static.
1790         * tree-flow.h: Remove the corresponding prototype.  Don't
1791         declare lower_data.
1792
1793         * sched-deps.c (cache_size): Make it static.
1794
1795         * stor-layout.c (lang_adjust_rli): Make it static.
1796
1797 2005-03-08  Julian Brown  <julian@codesourcery.com>
1798
1799         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1800         from being used for symbols with vague linkage when
1801         HAVE_GAS_COMDAT_GROUP is true.
1802
1803 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1804
1805         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1806         nlabel == JUMP_LABEL (jump).
1807
1808 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1809
1810         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1811         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1812         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1813         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1814
1815 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1816
1817         PR c/14411
1818         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1819         * c-common.c (handle_returns_twice): New function.
1820         (c_common_attribute_table): Declare eturns_twice' attribute.
1821         * doc/extend.texi: Document eturns_twice' attribute.
1822         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1823         (struct tree_decl): Add returns_twice_flag.
1824
1825 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1826
1827         * tree-ssa-phiopt.c: Fix a comment typo.
1828
1829         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1830         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1831         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1832         copyright.
1833
1834 2005-03-08  Richard Henderson  <rth@redhat.com>
1835
1836         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1837         builtin codes with ctzdi2, clzdi2, popcountdi2.
1838         (struct alpha_builtin_def): Add is_const.
1839         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1840         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1841         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1842         on builtins.
1843         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1844         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1845         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1846         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1847         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1848         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1849         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1850         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1851         (TARGET_FOLD_BUILTIN): New.
1852         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1853         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1854         (ffsdi2): Use ctz.
1855         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1856
1857 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1858
1859         PR tree-optimization/20122
1860         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1861         condition of access function instead of base.
1862
1863 2005-03-07  Jeff Law  <law@redhat.com>
1864             Steven Bosscher  <stevenb@suse.de>
1865
1866         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1867         (find_taken_edge): Call find_taken_edge_computed_goto as
1868         appropriate.  Allow any gimple invariant rather than just
1869         INTEGER_CST for VAL.
1870         (cleanup_control_flow): Cleanup a computed goto which has turned
1871         into a simple goto.
1872         (tree_merge_blocks): If block B has any forced labels, move
1873         them to the start of block A.
1874         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1875         computed gotos as well.
1876         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1877         removal of unnecessary computed gotos too.
1878         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1879         updated.
1880
1881 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1882
1883         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1884         Remove trailing spaces.
1885
1886         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1887         unshare_all_trees): Make them static.
1888         * tree-gimple.h: Remove the corresponding prototypes.
1889
1890         * diagnostic.h: Remove unused prototype
1891         debug_output_buffer.
1892         * modulo-sched.c: Remove unused prototype
1893         set_row_column_for_ps.
1894
1895         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1896         replace_phi_edge_with_variable): Remove unused variable i.
1897
1898 2005-03-07  Per Bothner  <per@bothner.com>
1899
1900         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1901
1902 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1903
1904         PR tree-opt/17671
1905         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1906         bbs on the COND_EXPR instead of the PHI_NODEs.
1907         (candidate_bb_for_phi_optimization): Remove.
1908         (replace_phi_with_stmt): Rename to ...
1909         (replace_phi_edge_with_variable): this and change so that we
1910         replace the phi argument instead of removing the PHI.
1911         (conditional_replacement): Change so we deal with PHI with more
1912         than two arguments.
1913         (value_replacement): Likewise.
1914         (abs_replacement): Likewise.
1915
1916 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1917
1918         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1919         output_e500_flip_gt_bit.
1920
1921         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1922         as bit 31.
1923         (rs6000_generate_compare): Fix logic to look at the correct bits.
1924         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1925         Look at GT bit.
1926         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1927         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1928         gen_move_from_CR_gt_bit.
1929
1930         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1931         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1932         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1933
1934         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1935         (E500_CR_IOR_COMPARE): New constant.
1936
1937 2005-03-08  Earl Chew <earl_chew@agilent.com>
1938             David Billinghurst <David.Billinghurst@riotinto.com>
1939
1940         * config/i386/host-cygwin.c: New file to support precompiled
1941         headers on cygwin
1942         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1943         * config.host: Use above files for cygwin host.
1944
1945 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1946
1947         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1948         ordering ops from earlier change.
1949
1950 2005-03-07  Per Bothner  <per@bothner.com>
1951
1952         Various fixes to allow us to again build if --enable-mapped-location:
1953         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1954         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1955         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1956         local variable loc. Change logic appropriately.
1957         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1958         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1959         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1960         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1961         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1962
1963 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1964
1965         PR rtl-optimization/19683
1966         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1967         number of bytes, to smallest_int_for_mode.  Fix arguments to
1968         REG_CANNOT_CHANGE_MODE_P.
1969
1970 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1971
1972         * reorg.c (relax_delay_slots): Check that the jump is
1973         conditional before trying to invert it.
1974
1975 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1976
1977         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1978         Make them static.
1979
1980         * calls (stack_arg_under_construction): Make it static.
1981
1982         * flow.c (regs_live_at_setjmp): Make it static.
1983         * flow.h: Remove the corresponding prototype.
1984
1985         * reload1.c (reload_startobj, reload_firstobj,
1986         something_needs_operands_changed, reload_inherited,
1987         reload_inheritance_insn, reload_override_in,
1988         reload_spill_index): Make them static.
1989
1990         * recog.c (verify_changes): Make it static.
1991         * recog.h: Remove the corresponding prototype.
1992
1993         * cfgbuild.c (find_sub_basic_blocks): Remove.
1994         * basic-block.h: Remove the corresponding prototype.
1995         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1996         in comments.
1997         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1998
1999         * tree-ssa-operands.c (check_build_stmt): Remove.
2000
2001         * stor-layout.c (set_alignment): Remove.
2002         * tree.h: Remove the corresponding prototype.
2003
2004         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2005
2006         * tree-ssa-dce.c (control_dependence_map,
2007         visited_control_parents): Make them static.
2008
2009         * cfghooks.c (verify_flow_info): Remove local variable
2010         num_bb_notes.
2011
2012         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2013         last_bb_seen.
2014
2015         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2016
2017 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2018
2019         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2020
2021 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2022
2023         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2024         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2025         PARALLEL for an empty structure.
2026
2027 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2028
2029         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2030
2031         * fold-const.c (fold_binary): Unroll the very first "for"
2032         loop.
2033
2034 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2035
2036         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2037         redundant match_code test.
2038         (scc_comparison_operator): Swap match_operand and match_code
2039         tests.
2040         (branch_positive_comparison_operator): Same.
2041         (trap_comparison_operator): Use comparison_operator and swap with
2042         match_code test.
2043
2044 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2045
2046         PR target/20288
2047         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2048         (out_movhi_r_mr): Read low byte of volatile MEM first.
2049         (out_movhi_mr_r): Write high byte of volatile MEM first.
2050
2051 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2052
2053         * cselib.c (reg_values, reg_values_size): Make them static.
2054
2055         * cse.c (cse_reg_info_table): Make it static.
2056
2057         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2058
2059 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2060
2061         * cse.c (find_best_addr): Use canon_for_address.
2062
2063 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2064
2065         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2066         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2067         SUBREG and MEM, respectively.
2068
2069         * fold-const.c (fold_binary): Use code instead of t.
2070
2071         * fold-const.c (optimize_minmax_comparison): Take decomposed
2072         arguments code, type, op0, and op1 instead of t.
2073         (fold_binary): Update a call to optimize_minmax_comparison.
2074
2075         * fold-const.c (fold_range_test): Take decomposed arguments
2076         code, type, op0, and op1 instead of t.
2077         (fold_binary): Update a call to fold_range_test.
2078
2079         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2080         decomposed arguments code, type, op0, and op1 instead of t.
2081         (fold_binary): Update a call to fold_range_test.
2082
2083 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2084
2085         * fold-const.c (fold_binary): Avoid directly using the original
2086         expression t as much as possible.
2087
2088 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2089
2090         * c-semantics.c (build_stmt): Use TYPE_P instead of
2091         IS_NON_TYPE_CODE_CLASS.
2092         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2093         (NON_TYPE_CHECK): Use TYPE_P instead of
2094         IS_NON_TYPE_CODE_CLASS.
2095
2096         * fold-const.c (fold): Remove handling of binary expressions.
2097
2098 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2099
2100         * doc/c-tree.texi: Wrap comments in @r{}.
2101         * doc/cpp.texi: Likewise.
2102         * doc/cppinternals.texi: Likewise.
2103         * doc/extend.texi: Likewise.
2104         * doc/md.texi: Likewise.
2105         * doc/objc.texi: Likewise.
2106         * doc/sourcebuild.texi: Likewise.
2107         * doc/tm.texi: Likewise.
2108         * doc/tree-ssa.texi
2109
2110 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2111
2112         * predict.c (apply_return_prediction): Standardize PHI chain
2113         walking.
2114         * tree-ssa.c (ssa_redirect_edge): Likewise.
2115
2116         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2117         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2118         Update copyright.
2119
2120         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2121         * tree-flow.h: Adjust the prototype for remove_phi_node.
2122         * lambda-code.c (perfect_nestify): Adjust a call to
2123         remove_phi_node.
2124         * tree-cfg.c
2125         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2126         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2127         Likewise.
2128         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2129         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2130         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2131         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2132
2133         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2134         of GEN_INT (trunc_int_for_mode (...)).
2135         * loop-iv.c (iv_number_of_iterations): Likewise.
2136         * postreload.c (reload_cse_move2add): Likewise.
2137         * simplify-rtx.c (simplify_const_unary_operation,
2138         simplify_const_binary_operation): Likewise.
2139         * stor-layout.c (get_mode_bounds): Likewise.
2140
2141         * fold-const.c (fold_binary): New.
2142         (fold): Call fold_binary on binary expressions.
2143
2144 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2145
2146         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2147         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2148         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2149         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2150         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2151
2152 2005-03-04  Devang Patel  <dpatel@apple.com>
2153
2154         PR tree-optimization/18815
2155         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2156         loops with zero exit edges.
2157
2158 2005-03-04  Devang Patel  <dpatel@apple.com>
2159
2160         * doc/invoke.texi: Remove reference to webpage that does not exist.
2161
2162 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2163             Joseph S. Myers  <joseph@codesourcery.com>
2164
2165         PR c++/19797
2166         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2167         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2168         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2169         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2170         maybe_get_identifier instead of get_identifier.
2171         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2172         (struct deferred_plabel): Replace name field with symbol field.
2173         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2174         ASM_OUTPUT_EXTERNAL_REAL is defined.
2175         (output_global_address): Use output_addr_const for output of all
2176         symbol_refs.
2177         (output_deferred_plabels): Use symbol_ref instead of name for address
2178         output.
2179         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2180         ASM_OUTPUT_SYMBOL_REF): New macros.
2181         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2182         comment.
2183         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2184         label.
2185
2186 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2187
2188         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2189         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2190
2191 2005-03-04  Jeff Law  <law@redhat.com>
2192
2193         * basic-block.h (rediscover_loops_after_threading): Declare.
2194         * tree-ssa-dom.c: Include cfgloop.h.
2195         (tree_ssa_dominator_optimize): Discover loops and some basic
2196         properties.  Remove forwarder blocks recreated by loop header
2197         canonicalization.  Also mark backedges in the CFG.
2198         * tree-ssa-threadupdate.c: Include cfgloop.h
2199         (rediscover_loops_after_threading): Define.
2200         (struct local_info): New field, JUMP_THREADED.
2201         (prune_undesirable_thread_requests): New function.
2202         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2203         then record that fact for the callers of redirct_edges.
2204         (thread_block): If BB has incoming backedges, then call
2205         prune_undesirable_thraed_requests.    Note when we are
2206         going to have to rediscover loop information.  Return a
2207         boolean indicating if any jumps were threaded.
2208         (thread_through_all_blocks): Bubble up boolean indicating
2209         if any jumps were threaded.
2210         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2211         (tree-ssa-threadupdate.o): Similarly.
2212
2213 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2214
2215         * fold-const.c (fold_ternary): Unroll the "for" loop to
2216         extract operands.
2217
2218 2005-03-04  Andrew Haley  <aph@redhat.com>
2219
2220         * unwind-dw2-fde-glibc.c (struct
2221         unw_eh_callback_data.check_cache): New field.
2222         (frame_hdr_cache): New.
2223         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2224         Cache frame header info.
2225
2226 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2227
2228         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2229         (print_c_condition): Declare.
2230         * read-rtl.c (ptr_loc): New structure.
2231         (ptr_locs, ptr_loc_obstack, joined_conditions)
2232         (joined_conditions_obstack): New variables.
2233         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2234         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2235         (join_c_conditions, print_c_condition): New functions.
2236         (apply_macro_to_string): Associate the new string with the same
2237         source location as the old one.
2238         (add_condition_to_string): Use join_c_conditions.
2239         (read_string): Use set_rtx_ptr_loc to record a filename and line
2240         number for the string.
2241         (read_rtx): Initialize the new variables above.
2242         * genattrtab.c (write_test_expr, write_attr_value): Use
2243         print_c_condition.
2244         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2245         comment above the GCC_VERSION check.
2246         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2247         Inline the definition of MAYBE_EVAL.
2248         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2249         * genoutput.c (process_template): Likewise.
2250         * genpreds.c (write_predicate_subfunction): Likewise.
2251         (write_predicate_expr): Use print_c_condition.
2252         * genrecog.c (write_cond): Likewise.
2253         * gensupport.c (process_rtx): Use join_c_conditions to join the
2254         conditions of a define_insn_and_split.  Record a source location
2255         for the string after the "&&".
2256         (alter_test_for_insn): Use join_c_conditions.
2257
2258 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2259
2260         Revert for now:
2261         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2262         PR tree-optimization/15784
2263         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2264         and -1 - A to ~A.
2265
2266 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2267
2268         * gcc.c (option_map): Add --coverage.
2269         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2270         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2271         * config/darwin.h: Pass -lgcov for `coverage'.
2272         * doc/invoke.texi (Debugging Options): Document --coverage.
2273
2274 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2275
2276         * gcse.c (bypass_block): Use find_edge wherever possible.
2277
2278 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2279
2280         Fix PR debug/20253
2281
2282         * c-opts.c (c_common_parse_file): Call start_source_file
2283         and end_source_file at the approriate times.
2284
2285         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2286         the main file, it will be done for us now.
2287
2288 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2289
2290         * fold-const.c (fold_ternary): New.
2291         (fold): Call fold_ternary on ternary expressions.  Remove
2292         handling of ternary expressions.
2293
2294 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2295
2296         PR tree-optimization/15784
2297         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2298         and -1 - A to ~A.
2299
2300 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2301
2302         * config/rs6000/predicates.md (branch_comparison_operator):
2303         Convert from C block to conditional format.
2304
2305 2005-03-03  Jan Hubicka  <jh@suse.cz>
2306
2307         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2308         and non-constant public variables.
2309
2310 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2311
2312         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2313         with LABEL_EXPR.
2314
2315         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2316         EDGE_I.
2317
2318         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2319         calls to release_ssa_name and release_phi_node.
2320
2321         * fold-const.c (fold): Remove handling of unary expressions.
2322
2323         * fold-const.c (fold_unary): Avoid directly using the original
2324         expression t as much as possible.
2325
2326 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2327             Andrew Pinski  <pinskia@physics.uc.edu>
2328
2329         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2330         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2331
2332 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2333
2334         Describe special registers SRP and MOF as allocatable registers.
2335         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2336         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2337         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2338         TARGET_HAS_MUL_INSNS.
2339         (cris_print_operand) <case 'd'>: New case.
2340         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2341         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2342         define.
2343         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2344         (REG_ALLOC_ORDER): Update for MOF.
2345         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2346         SPECIAL_REGS.
2347         (GENERAL_REGS): No longer a define of ALL_REGS.
2348         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2349         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2350         Adjust accordingly.
2351         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2352         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2353         (SECONDARY_RELOAD_CLASS): Define.
2354         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2355         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2356         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2357         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2358         (REGISTER_MOVE_COST): Define.
2359         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2360         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2361         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2362         (CRIS_MOF_REGNUM): New define_constants.
2363         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2364         special registers.
2365         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2366         New patterns.
2367         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2368         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2369         Adjust for MOF being properly described as a register.
2370         (indir_to_reg_split): Name this split.  Conditionalize on the
2371         destination register being a general register.
2372         (movei): Conditionalize on on operands 0 and 1 having the same
2373         register class.
2374
2375 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2376
2377         PR target/20277
2378         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2379         -mcpu to override any other explicitly given flags.
2380
2381 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2382
2383         * recog.c (verify_changes, confirm_change_group): New functions,
2384         broken out of apply_change_group.
2385         (apply_change_group): Use them.
2386         * recog.h (verify_change, confirm_change_group): Declare.
2387         * rtl.h (redirect_jump_2): Declare.
2388         * jump.c (redirect_exp, invert_exp): Delete.
2389         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2390         (redirect_jump_2): New function, broken out of redirect_jump.
2391         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2392         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2393         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2394
2395 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2396
2397         * varasm.c (named_section): Use xstrdup rather than doing it by
2398         hand.
2399
2400         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2401
2402 2005-03-02  Devang Patel  <dpatel@apple.com>
2403
2404         Undo PR tree-optimization/18815 fix.
2405
2406 2005-03-02  Devang Patel  <dpatel@apple.com>
2407
2408         PR tree-optimization/18815
2409         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2410         loops with zero exit edges.
2411
2412 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2413
2414         * cfg.c (connect_src, connect_dest, disconnect_src,
2415         disconnct_dest): New.
2416         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2417         redirect_edge_pred): Use the new functions.
2418
2419         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2420         free_dominance_info only when needed.
2421
2422 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2423
2424         PR target/20276
2425         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2426         (reg_or_sub_cint64_operand): Same.
2427
2428 2005-03-02  Jeff Law  <law@redhat.com>
2429
2430         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2431         CFG_ALTERED in the main DOM iteration loop.
2432
2433 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2434
2435         PR c++/19916
2436         * varasm.c (initializer_constant_valid_p): Allow conversions
2437         between OFFSET_TYPEs.  Tidy.
2438
2439 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2440
2441         * config/cris/cris.md ("return"): Remove epilogue delay list
2442         sanity check.
2443
2444 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2445
2446         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2447         for Thumb.
2448         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2449
2450 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2451
2452         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2453         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2454         config/m68k/m68k.c, config/mips/mips.h,
2455         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2456         doc/include/gcc-common.texi: Update copyright.
2457
2458         PR middle-end/18029 and PR middle-end/18030
2459         * expr.c (optimize_bitfield_assignment_op): Add a special case
2460         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2461
2462         * fold-const.c (fold_unary): New.
2463         (fold): Call fold_unary on unary expressions.
2464
2465 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2466
2467         * cgraph.h (struct cgraph_edge): Add prev_caller and
2468         prev_callee fields.
2469         (cgraph_node_remove_callees): Export.
2470         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2471         and prev_callee.
2472         (cgraph_edge_remove_callee): New function.
2473         (cgraph_edge_remove_caller): Likewise.
2474         (cgraph_remove_edge): Use.
2475         (cgraph_redirect_edge_callee): Likewise.
2476         (cgraph_node_remove_callees): New function.
2477         (cgraph_node_remove_callers): Likewise.
2478         (cgraph_remove_node): Use.
2479         * tree-optimize.c (tree_rest_of_compilation): Use
2480         cgraph_node_remove_callees instead of manual loop.
2481         * cgraphunit.c (cgraph_finalize_function): Likewise.
2482         (cgraph_expand_function): Likewise.
2483         (cgraph_remove_unreachable_nodes): Likewise.
2484
2485 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2486
2487         PR c/8927
2488         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2489         argument.
2490         * c-decl.c (undeclared_variable): Take location as argument.
2491         * c-typeck.c (build_external_ref): Likewise.
2492         * c-parser.c (c_parser_postfix_expression): Pass location of
2493         identifier to build_external_ref.
2494
2495 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2496
2497         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2498         CCEQ mode for branch_positive_comparison_operator test.
2499         * config/rs6000/predicates (branch_comparison_operator): Revert to
2500         define_predicate.
2501         (scc_comparison_operator): Same.
2502         (branch_positive_comparison_operator): Same.
2503
2504 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2505
2506         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2507         (cris_delay_slots_for_epilogue): Remove.
2508         (save_last): Move into cris_target_asm_function_epilogue.
2509         (cris_target_asm_function_epilogue): Remove tests for file being
2510         NULL.
2511         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2512         (cris_delay_slots_for_epilogue): Remove prototypes.
2513         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2514         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2515
2516 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2517
2518         * config/rs6000/predicates.md (branch_comparison_operator): Change
2519         to define_special_predicate.
2520         (scc_comparison_operator): Same.
2521         (branch_positive_comparison_operator): Same.
2522
2523 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2524
2525         * Makefile.in (tree-ssa-sink.o): New.
2526         (OBJS-common): Add tree-ssa-sink.o.
2527         * common.opt: Add -ftree-sink
2528         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2529         * timevar.def (TV_TREE_SINK): new timevar.
2530         * tree-flow.h (is_hidden_global_store): Prototype.
2531         * tree-optimize.c (init_tree_optimization_passes): Add
2532         pass_sink_code.
2533         * tree-pass.h (pass_sink_code): New.
2534         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2535         for non-obvious global store store to is_hidden_global_store, and
2536         call that new function.
2537         * tree-ssa-sink.c: New file.
2538         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2539         * doc/passes.texi: Document forward store motion.
2540         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2541         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2542         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2543         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2544
2545 2005-03-01  Per Bothner  <per@bothner.com>
2546
2547         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2548         and we have a non-zero column-number, add it to the message.
2549         Also factor out the diagnostic_kind_text.
2550
2551 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2552
2553         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2554         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2555         flow_loop_scan): Removed.
2556         (flow_loop_dump): Do not dump removed fields.
2557         (flow_loop_free): Do not free removed fields.
2558         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2559         (loop_exit_edge_p): New function.
2560         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2561         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2562         num_exits, exits_doms.
2563         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2564         LOOP_EDGES, LOOP_ALL): Removed.
2565         (flow_loop_scan): Declaration removed.
2566         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2567         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2568         flow_loops_find.
2569         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2570         (if_convert): Call flow_loops_find and flow_loops_free
2571         when calling mark_loop_exit_edges.
2572         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2573         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2574         free_dominance_info calls.
2575         * loop-init.c (flow_loops_find): Ditto.
2576         * passes.c (rest_of_handle_branch_prob): Ditto.
2577         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2578         * loop-unroll.c (analyze_insns_in_loop): Do not use
2579         EDGE_LOOP_EXIT.
2580         * predict.c (predict_loops): Do not call flow_loop_scan.
2581         Use get_loop_exit_edges.
2582         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2583         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2584         Do not use EDGE_LOOP_EXIT.
2585         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2586         to bb_with_exit_edge_p.
2587         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2588         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2589         to bb_with_exit_edge_p.
2590         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2591         EDGE_LOOP_EXIT.
2592         * tree-loop-linear.c (linear_transform_loops): Do not call
2593         flow_loop_scan.  Use loop->single_exit.
2594         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2595         (vect_analyze_loop_form): Do not call flow_loop_scan.
2596         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2597         loop->single_exit.
2598         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2599         loop->single_exit.
2600         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2601         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2602         slpeel_tree_duplicate_loop_to_edge_cfg,
2603         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2604         Use loop_preheader_edge and loop->single_exit.  Do not call
2605         flow_loop_scan.
2606
2607 2005-03-01  Nick Clifton  <nickc@redhat.com>
2608
2609         * config/arm/arm.c (thumb_find_work_register): Check all of the
2610         argument registers to see if they are free, and a couple of
2611         special cases where the last argument register but can be proved
2612         to be available during the function's prologue.
2613         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2614         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2615         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2616         register bit-mask.
2617         (thumb_compute_save_reg_mask): Likewise.  Also use
2618         thumb_find_work_register() to ensure that there is agreement about
2619         which work register is going to be used in the prologue.
2620         (thumb_output_function_prologue): Use unsigned long as the type
2621         for the register bit-mask.  Also delay pushing the link register if
2622         other high registers are going to be pushed.
2623         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2624         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2625         redundant prototypes.
2626
2627 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2628
2629         PR target/19819
2630         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2631         and after reload in REG+REG indexed addresses without REG_POINTER
2632         set in the base and not set in the index.
2633
2634 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2635
2636         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2637         Don't undefine here.
2638         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2639         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2640         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2641         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2642         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2643         Delete.
2644         * config.gcc (sh*-*-linux*): Use config/linux.h.
2645
2646 2005-02-28  Dale Johannesen  <dalej@apple.com>
2647             Stan Shebs  <shebs@apple.com>
2648
2649         Rewrite of 64-bit Darwin structure-by-value pass/return.
2650         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2651         intoffset, use_stack, named.
2652         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2653         (rs6000_darwin64_record_arg_advance_flush):  New.
2654         (rs6000_darwin64_record_arg_advance_recurse): New.
2655         (rs6000_darwin64_record_arg_flush):  New.
2656         (rs6000_darwin64_record_arg_recurse):  New.
2657         (rs6000_darwin64_record_arg):  New.
2658         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2659         (function_arg_boundary):  Handle 128-bit aligned structs.
2660         (function_arg_advance):  Rewrite darwin64 struct handling.
2661         (function_arg):  Call rs6000_darwin64_record_arg.
2662         (function_arg_partial_nregs):  Handle darwin64 structs.
2663         (rs6000_darwin64_function_value):  Remove.
2664         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2665
2666 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2667
2668         PR tree-optimization/20216
2669         * tree-chrec.c (tree_fold_factorial): Delete.
2670         (tree_fold_binomial): Change argument list to take a return type
2671         and change the type of K to unsigned int.  Rewrite to avoid explicit
2672         evaluation of factorials, and (recursively) calling fold to perform
2673         compile-time arithmetic.  Return NULL on (internal) overflow.
2674         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2675         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2676         if any intermediate calculation overflows.
2677         (chrec_apply): Update call to chrec_evaluate.
2678
2679 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2680
2681         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2682
2683 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2684
2685         PR c/20245
2686         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2687         instead of NULL_TREE on error.
2688
2689 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2690
2691         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2692         (EASY_VECTOR_15_ADD_SELF): Remove.
2693         (num_insns_constant_wide): Not static.
2694         (validate_condition_mode): Not static.
2695         (toc_relative_expr_p): Not static.
2696         (legitimate_indirect_address_p): Not static.
2697         (macho_lo_sum_memory_operand): Not static.
2698         (invalid_e500_subreg): Not static.
2699         (easy_vector_same): Not static.
2700         (easy_vector_splat_const): Not static.
2701         (RS6000_SYMBOL_REF_TLS_P): Remove.
2702         (any_operand): Delete.
2703         (any_parallel_operand): Delete.
2704         (count_register_operand): Delete.
2705         (altivec_register_operand): Delete.
2706         (xer_operand): Delete.
2707         (s8bit_cint_operand): Delete.
2708         (short_cint_operand): Delete.
2709         (u_short_cint_operand): Delete.
2710         (non_short_cint_operand): Delete.
2711         (exact_log2_cint_operand): Delete.
2712         (gpc_reg_operand): Delete.
2713         (cc_reg_operand): Delete.
2714         (cc_reg_not_cr0_operand): Delete.
2715         (reg_or_short_operand): Delete.
2716         (reg_or_neg_short_operand): Delete.
2717         (reg_or_aligned_short_operand): Delete.
2718         (reg_or_u_short_operand): Delete.
2719         (reg_or_cint_operand): Delete.
2720         (reg_or_arith_cint_operand): Delete.
2721         (reg_or_add_cint64_operand): Delete.
2722         (reg_or_sub_cint64_operand): Delete.
2723         (reg_or_logical_cint_operand): Delete.
2724         (got_operand): Delete.
2725         (got_no_const_operand): Delete.
2726         (easy_fp_constant): Delete.
2727         (easy_vector_constant): Delete.
2728         (easy_vector_constant_add_self): Delete.
2729         (zero_constant): Delete.
2730         (zero_fp_constant): Delete.
2731         (volatile_mem_operand): Delete.
2732         (offsettable_mem_operand): Delete.
2733         (mem_or_easy_const_operand): Delete.
2734         (add_operand): Delete.
2735         (non_add_cint_operand): Delete.
2736         (logical_operand): Delete.
2737         (non_logical_cint_operand): Delete.
2738         (mask_operand): Delete.
2739         (mask_operand_wrap): Delete.
2740         (mask64_operand): Delete.
2741         (mask64_2_operand): Delete.
2742         (and64_operand): Delete.
2743         (and64_2_operand): Delete.
2744         (and_operand): Delete.
2745         (reg_or_mem_operand): Delete.
2746         (lwa_operand): Delete.
2747         (symbol_ref_operand): Delete.
2748         (call_operand): Delete.
2749         (current_file_function_operand): Delete.
2750         (input_operand): Delete.
2751         (rs6000_nonimmediate_operand): Delete.
2752         (rs6000_tls_symbol_ref): Delete.
2753         (save_world_operation): Delete.
2754         (restore_world_operation): Delete.
2755         (load_multiple_operation): Delete.
2756         (store_multiple_operation): Delete.
2757         (vrsave_operation): Delete.
2758         (mfcr_operation): Delete.
2759         (mtcrf_operation): Delete.
2760         (lmw_operation): Delete.
2761         (stmw_operation): Delete.
2762         (branch_comparison_operator): Delete.
2763         (branch_positive_comparison_operator): Delete.
2764         (scc_comparison_operator): Delete.
2765         (trap_comparison_operator): Delete.
2766         (boolean_operator): Delete.
2767         (boolean_or_operator): Delete.
2768         (min_max_operator): Delete.
2769         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2770         (EASY_VECTOR_15): Moved to here.
2771         (EASY_VECTOR_15_ADD_SELF): Move to here.
2772         (PREDICATE_CODES): Delete.
2773         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2774         Declare functions no longer static.
2775         * config/rs6000/predicates.md: New.
2776         * config/rs6000/rs6000.md: Include predicates.md
2777
2778 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2779
2780         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2781         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2782         REG_ALWAYS_RETURN.
2783         * cfgrtl.c (need_fake_edge_p): Likewise.
2784         * combine.c (distribute_notes): Likewise.
2785         * emit-rtl.c (try_split): Likewise.
2786         * recog.c (peephole2_opimize): Likewise.
2787         * reg-notes.def (ALWAYS_RETURN): Remove.
2788         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2789         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2790         * tree.h (ECF_ALWAYS_RETURN): Remove.
2791
2792 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2793
2794         PR middle-end/19874
2795         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2796         between different machine modes is never a "useless" conversion.
2797
2798 2005-02-28  Geert Bosch  <bosch@gnat.com>
2799
2800         PR ada/15977
2801         * doc/contrib.texi: List contributors for Ada front end
2802
2803 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2804
2805         * simplify-rtx.c (simplify_unary_operation_1,
2806         simplify_const_unary_operation): New, extracted from...
2807         (simplify_unary_operation): ... this one.
2808         (simplify_binary_operation_1,
2809         simplify_const_binary_operation): New, extracted from...
2810         (simplify_binary_operation): ... this one.
2811         * rtl.h (simplify_const_unary_operation,
2812         simplify_const_binary_operation): Add prototypes.
2813
2814 2005-02-28  Julian Brown  <julian@codesourcery.com>
2815
2816         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2817         building libjava and caused PR regression/20228.
2818
2819 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2820
2821         PR bootstrap/17383
2822         * Makefile.in (host_subdir): New.
2823         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2824         * configure: Regenerate.
2825
2826 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2827
2828         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2829         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2830         installation directory first.
2831
2832 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2833
2834         PR target/19065.
2835         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2836         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2837         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2838         * config/cris/cris.md: Tweak comments referring to Q.
2839         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2840         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2841         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2842         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2843         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2844         Insert spaces in constraints to align alternatives vertically for
2845         readability.
2846         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2847         operand 1: "M".
2848
2849 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2850
2851         PR rtl-optimization/17728
2852         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2853         operand 0 from general_operand to move_dest_operand.
2854
2855 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2856
2857         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2858         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2859         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2860         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2861
2862 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2863
2864         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2865         * configure: Regenerate.
2866         * libada-mk.in: Remove CC; rename
2867         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2868
2869 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2870
2871         PR tree-opt/20188
2872         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2873         for the lhs, also walk over the tree.  Likewise for rhs.
2874
2875 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2876
2877         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2878         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2879         Do not propagate value of iv before increment over the increment.
2880
2881 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2882
2883         * c-parser.c: New file.
2884         * c-parse.in: Remove.
2885         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2886         Remove.
2887         (c-parser.o): Add dependencies.
2888         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2889         maintainer-clean, TAGS): Update.
2890         * c-config-lang.in (gtfiles): Update.
2891         * gengtype-lex.l: Don't handle "@@".
2892         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2893         objc_build_synchronized, objc_begin_try_stmt,
2894         objc_begin_catch_clause, objc_finish_catch_clause,
2895         objc_build_finally_clause, objc_finish_try_stmt): New.
2896         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2897         type_seen_p.
2898         (c_parse_init): Update comment.
2899         * c-decl.c (c_init_decl_processing): Update comment.
2900         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2901         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2902         new c_declspecs members.
2903
2904 2005-02-25  Julian Brown  <julian@codesourcery.com>
2905
2906         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2907         from being used for symbols with vague linkage when
2908         HAVE_GAS_COMDAT_GROUP is true.
2909
2910 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2911
2912         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2913
2914 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2915
2916         PR target/19930
2917         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2918         (LIBGCC2_HAS_DF_MODE): New.
2919         (LIBGCC2_HAS_XF_MODE): New.
2920         (LIBGCC2_HAS_TF_MODE): New.
2921         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2922         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2923         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2924         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2925         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2926         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2927         and add _fixtfdi, _fixunstfdi, _floatditf
2928         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2929         L_fixunstfdi, L_floatditf.
2930         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2931         (LIBGCC2_HAS_TF_MODE): Define.
2932
2933 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2934
2935         PR tree-optimization/20204
2936         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2937         REWRITE_THIS_STMT markers on PHI nodes.
2938         (rewrite_initialize_block): Likewise.
2939
2940 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2941
2942         * version.c (version_string): Update to 4.1.
2943
2944 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2945
2946         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2947         Clarify that the alternative way doesn't work in GNU C++.
2948
2949 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2950
2951         PR tree-optimization/19937
2952         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2953         to the type of the induction variable.
2954
2955 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2956
2957         PR rtl-optimization/20117
2958         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2959         the block including noncopyable insn.
2960
2961 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2962
2963         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2964         calls to find_reg_note.
2965
2966 2005-02-24  Richard Henderson  <rth@redhat.com>
2967
2968         PR tree-opt/20127
2969         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2970         the type.
2971
2972 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2973
2974         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2975         vector types if to use base reg for misaligned non-word ld/std.
2976
2977 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2978
2979         PR target/14619
2980         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2981         dwarf2 label manually and put it after, not before the prologue.
2982
2983 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2984
2985         PR target/19019
2986         * reload.c (operands_match_p): Only increment register number for
2987         SCALAR_INT_MODE_P modes in multiple hard registers.
2988
2989         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2990         Fix formatting.
2991
2992 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2993
2994         * ChangeLog.5: Fix log message typo(s).
2995         * ChangeLog.7: Likewise.
2996         * ChangeLog.tree-ssa: Likewise.
2997         * cfgexpand.c: Fix comment typo(s).
2998         * conflict.c: Likewise.
2999         * defaults.h: Likewise.
3000         * dwarf2out.c: Likewise.
3001         * gcse.c: Likewise.
3002         * ggc-page.c: Likewise.
3003         * tree-eh.c: Likewise.
3004         * tree-ssa-dom.c: Likewise.
3005
3006 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3007
3008         PR target/19019
3009         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3010         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3011         if SHARED is defined.
3012
3013         PR target/20196
3014         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3015         allow splitting only if operands 0 and 3 don't overlap.
3016
3017 2005-02-24  Richard Henderson  <rth@redhat.com>
3018
3019         PR middle-end/19953
3020         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3021         (fold_builtin_1): Call them.
3022         * fold-const.c (fold_complex_mult_parts): Split out from ...
3023         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3024         (fold_complex_div_parts, fold_complex_div): New.
3025         (fold): Use them.
3026         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3027
3028 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3029
3030         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3031         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3032
3033         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3034         (print_node): Likewise.
3035         Print TYPE_SIZES_GIMPLIFIED.
3036
3037 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3038
3039         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3040         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3041         operands as commutative in constraints.
3042
3043 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3044
3045         * tree-into-ssa.c: Re-organize internal functions.
3046
3047 2005-02-24  Richard Henderson  <rth@redhat.com>
3048
3049         PR middle-end/18902
3050         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3051         for c99.
3052         * common.opt (fcx-limited-range): New.
3053         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3054         * toplev.c (flag_complex_method): Initialize to 1.
3055         (process_options): Set flag_complex_method to 0 if
3056         flag_cx_limited_range.
3057         * doc/invoke.texi (-fcx-limited-range): New.
3058
3059 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3060
3061         * cse.c (delete_trivially_dead_insns): Speed up by using
3062         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3063         prev_real_insn.
3064
3065 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3066
3067         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3068         functions when -mid-shared-library is being used.
3069
3070 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3071
3072         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3073         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3074         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3075         * system.h: Poison LINK_LIBGCC_SPECIAL.
3076
3077 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3078
3079         * gengtype.c (note_insn_name): Make 1 element larger.
3080
3081 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3082
3083         PR target/20018
3084         PR rtl-optimization/20097
3085         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3086         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3087
3088 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3089
3090         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3091         * t-aix52 (SHLIB_INSTALL): Same.
3092
3093 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3094
3095         * genpreds.c: Update copyright.
3096
3097 2005-02-23  Michael Beach  <michaelb@ieee.org>
3098
3099         PR target/20159
3100         * config/sparc/t-elf (startup files): Assemble with CPP.
3101
3102 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3103
3104         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3105         (write_predicate_expr): Likewise.
3106
3107 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3108
3109         PR tree-optimization/20100
3110         PR tree-optimization/20115
3111         * tree-optimize.c (init_tree_optimization_passes): Remove
3112         pass_maybe_create_global_var.
3113         * tree-pass.h (pass_maybe_create_global_var): Remove.
3114         * tree-ssa-alias.c (aliases_computed_p): Declare.
3115         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3116         (count_calls_and_maybe_create_global_var): Remove.
3117         (pass_maybe_create_global_var): Remove.
3118         (init_alias_info): Do not declare aliases_computed_p.
3119         (maybe_create_global_var): If the function contains no
3120         call-clobbered variables and a mix of pure/const and regular
3121         function calls, create .GLOBAL_VAR.
3122         Mark all call-clobbered variables for renaming.
3123         (merge_pointed_to_info): Update comment.
3124         (add_pointed_to_var): Likewise.
3125         (is_escape_site): Likewise.
3126         Accept struct alias_info * instead of size_t *.
3127         Update all users.
3128         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3129         as necessary.
3130         * tree-ssa-operands.c (get_call_expr_operands): If
3131         ALIASES_COMPUTED_P is false, do not add call-clobbering
3132         operands.
3133         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3134         (delete_tree_ssa): Likewise.
3135
3136 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3137
3138         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3139         (do_compile): Do call it here.
3140
3141 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3142
3143         PR rtl-optimization/20017.
3144         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3145         rest_of_handle_cse2, rest_of_handle_gcse): Call
3146         delete_dead_jumptables immediately before calling cleanup_cfg.
3147
3148 2005-02-22  Devang Patel  <dpatel@apple.com>
3149
3150         PR 19952
3151         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3152         all labels
3153
3154 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3155
3156         * config/rs6000/aix.h (WINT_TYPE): Define.
3157
3158 2005-02-22  Stan Shebs  <shebs@apple.com>
3159
3160         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3161         natural alignment for 64-bit Darwin.
3162         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3163         on 64-bit Darwin.
3164         * doc/invoke.texi: Document this.
3165
3166 2005-02-22  DJ Delorie  <dj@redhat.com>
3167
3168         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3169         to make_[un]signed_type, not the mode itself.
3170
3171 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3172
3173         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3174         not available.  Use tail calls wherever possible.
3175         (make_edge): Call unchecked_make_edge to create an edge.
3176
3177         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3178         (coalesce_ssa_name): Don't check for
3179         SSANORM_USE_COALESCE_LIST.
3180         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3181
3182 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3183
3184         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3185         (rewrite_into_ssa): ... here.
3186
3187 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3188
3189         PR tree-optimization/19786
3190         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3191         tag to another's may-alias bitmap when adding to the other's list.
3192
3193 2005-02-21  DJ Delorie  <dj@redhat.com>
3194
3195         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3196         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3197         registers in unsupported ways.
3198         * expmed.c (init_expmed): Likewise.
3199
3200 2005-02-21  Stan Cox  <scox@redhat.com>
3201
3202         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3203
3204 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3205
3206         * tree-cfg.c (fold_cond_expr_cond): New.
3207         (make_edges): Call fold_cond_expr_cond.
3208         (find_taken_edge): Accept nothing but INTEGER_CST.
3209         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3210         and 1.
3211         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3212
3213         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3214         that do not belong to any basic block.
3215
3216 2005-02-21  Jeff Law  <law@redhat.com>
3217
3218         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3219         e->dest.
3220
3221 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3222
3223         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3224         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3225         Adjust their definitions.
3226         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3227         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3228
3229         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3230         genautomata.c, langhooks.c, langhooks.h, system.h,
3231         config/arm/lib1funcs.asm: Update copyright.
3232
3233 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3234
3235         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3236
3237 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3238
3239         PR bootstrap/13770
3240         * doc/install.texi: Document --with-gc.
3241
3242 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3243
3244         * simplify-rtx.c (simplify_unary_operation): Add a missing
3245         "break" statement.
3246
3247 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3248
3249         PR tree-optimization/18663
3250         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3251         if the type has variable bounds.
3252
3253 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3254
3255         * gcse.c: Remove an obsolete comment.
3256
3257         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3258
3259 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3260
3261         * doc/extend.texi (Function Attributes) <Attribute const>: The
3262         attribute "pure" is below this text, not above.
3263
3264 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3265
3266         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3267         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3268         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3269
3270 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3271
3272         PR 18785
3273         * langhooks.h (struct lang_hooks): Add to_target_charset.
3274         * langhooks.c (lhd_to_target_charset): New function.
3275         * langhooks-def.h: Declare lhd_to_target_charset.
3276         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3277         (LANG_HOOKS_INITIALIZER): Update.
3278         * c-common.c (c_common_to_target_charset): New function.
3279         * c-common.h: Declare it.
3280         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3281         c_common_to_target_charset.
3282
3283         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3284         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3285         Delete definitions.
3286         * system.h: Poison them.
3287         * doc/tm.texi: Don't discuss them.
3288         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3289         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3290         (pp_c_char): Do not attempt to generate letter escapes for
3291         newline, tab, etc.
3292         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3293         * config/mips/mips.c (mips_output_ascii): Likewise.
3294
3295 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3296
3297         PR tree-optimization/19951
3298         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3299         is abnormal.
3300
3301 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3302
3303         PR middle-end/19698
3304         * function.h (struct function): New field `max_loop_depth'.
3305         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3306         (flow_loops_find): Reset the max loop depth count before finding loops.
3307         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3308         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3309         (calculate_global_regs_live): Make sure the loop will terminate
3310         when the initial sets are not empty.
3311
3312 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3313
3314         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3315         object inside.
3316         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3317
3318 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3319
3320         PR other/19525
3321         * doc/invoke.texi: Remove documentation of %M spec.
3322         * gcc.c: Likewise.
3323         (init_spec): Remove %M suffix from -lgcc_s.
3324         (do_spec_1): Remove 'M' case.
3325         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3326         to put shared libraries in the multilib directory.  Remove the
3327         shlib_so_soname substitution variable.  Don't add a multilib encoding
3328         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3329         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3330         SHLIB_INSTALL as well as SHLIB_LINK.
3331         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3332         (SHLIB_NAME): Delete.
3333         (SHLIB_DIR): New macro.
3334         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3335         (SHLIB_INSTALL): Adjust accordingly.
3336         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3337         * config/t-slibgcc-sld: Likewise.
3338         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3339         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3340         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3341         in $(SHLIB_DIR).
3342         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3343         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3344         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3345         Use @shlib_base_name@ instead of @shlib_so_name@.
3346         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3347         and @shlib_base_name@.so in @multilib_dir@.
3348         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3349         to the install path.
3350         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3351         (SHLIB_LINK): Remove previous workaround.
3352         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3353         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3354         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3355         the install path.
3356         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3357         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3358         (SHLIB_INSTALL): Adjust accordingly.
3359         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3360         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3361         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3362         config/t-slibgcc-elf-ver.
3363
3364 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3365             Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR tree-optimization/19828
3368         * tree-ssa-loop-im.c: Add a TODO comment.
3369         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3370         without side-effects.
3371
3372 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3373
3374         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3375         call fold_convert.
3376
3377 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3378
3379         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3380         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3381         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3382         functions.
3383         (ia64_reorg): Delete fixup_errata call.
3384         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3385         (TARGET_SWITCHES): Delete -mb-step entry.
3386
3387 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3388
3389         PR c/20043
3390         * c-typeck.c (composite_type): Handle quals in transparent unions.
3391         (type_lists_compatible_p): Likewise.
3392
3393 2005-02-18  Stan Shebs  <shebs@apple.com>
3394
3395         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3396         expressions in the .literal8 section.
3397
3398 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3399
3400         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3401
3402 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3403
3404         * fold-const.c (constant_boolean_node): Always create values of the
3405         specified type, don't bother calling truthvalue_conversion.
3406
3407 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3408
3409         * except.c (output_function_exception_table): Call
3410         assemble_external_libcall (eh_personality_libfunc).
3411
3412 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3413
3414         PR target/19886
3415         * config/ia64/ia64.h (struct machine_function): Add state_num.
3416         * config/ia64/ia64.c (process_epilogue,
3417         process_for_unwind_directive): Use new unwind state numbers each
3418         time rather than state 1.
3419
3420 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3421
3422         PR target/20054
3423         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3424         before the "*llgt_didi" pattern.
3425
3426 2005-02-18  Jason Merrill  <jason@redhat.com>
3427
3428         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3429
3430 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3431
3432         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3433         (div0): Use it in place of ARM_FUNC_ALIAS.
3434         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3435
3436 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3437
3438