gcc/ChangeLog

   1 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * combine.c (combine_simplify_rtx, simplify_if_then_else,
   4         simplify_logical, if_then_else_cond, known_cond,
   5         simplify_comparison): Adjust calls to reverse_comparison.
   6         Don't use combine_reversed_comparison_code).
   7         (combine_reversed_comparison_code): Remove.
   8         (reversed_comparison): Using reversed_comparison_code, move it...
   9         * jump.c (reversed_comparison): ... here.
  10         * rtl.h (reversed_comparison): Add prototype.
  11
  12 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
  13
  14         * builtins.c (fold_builtin): Take decomposed arguments of
  15         CALL_EXPR.
  16         * fold-const.c (fold_ternary): Update a call to fold_builtin.
  17         * gimplify.c (gimplify_call_expr): Likewise.
  18         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
  19         * tree.h: Update the prototype of fold_builtin.
  20
  21 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
  22
  23         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
  24         * rtlhooks.c (gen_lowpart_no_emit_general): New.
  25         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
  26         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
  27         * simplify-rtx.c (simplify_binary_operation_1): Use it.
  28
  29 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
  30
  31         * builtins.c (fold_builtin_1): Take decomposed arguments of
  32         CALL_EXPR.
  33         (fold_builtin): Update a call to fold_builtin_1.
  34
  35 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
  36
  37         PR other/20564
  38         * gcov.c (output_lines): Only output function block summary when
  39         outputting branch information.
  40         * doc/gcov.texi: Document format of preamble and additional block
  41         information lines.
  42
  43 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
  44
  45         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
  46         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
  47         the defaults false if BITS_PER_UNIT != 8.
  48         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
  49         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
  50         than BITS_PER_UNIT != 8.
  51         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
  52         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
  53         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
  54         #undefs.
  55         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
  56         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
  57
  58 2005-03-20  Roger Sayle  <roger@eyesopen.com>
  59
  60         PR middle-end/20539
  61         * fold-const.c (fold_binary): Fix type mismatch between
  62         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
  63         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
  64         for non-truth-valued expressions.
  65
  66         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
  67         and FUNCTION_DECL in the main switch.
  68         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
  69         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
  70         we also need to convert their operands to match.
  71         <TRUTH_NOT_EXPR>: Likewise.
  72
  73 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
  74
  75         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
  76         diagnostic without checking whether an lvalue.
  77         * c-common.h (lvalue_p): Remove.
  78         (enum lvalue_use): Update comment.
  79         (lvalue_or_else): Replace by lvalue_error.
  80         * c-typeck.c (lvalue_p): Make static.
  81         (lvalue_or_else): New.  Call lvalue_error.
  82
  83 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
  84
  85         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
  86         (function_arg_advance): Use rs6000_parm_start.
  87         (function_arg, rs6000_arg_partial_bytes): Likewise.
  88
  89 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
  90
  91         * c-common.c (check_case_value): Adjust comment about stripping
  92         NOPs.
  93         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
  94         * c-typeck.c (default_conversion, convert_arguments,
  95         build_modify_expr, convert_for_assignment, store_init_value,
  96         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
  97         manually.  Remove inaccurate comments.
  98
  99 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 100             Joseph S. Myers  <joseph@codesourcery.com>
 101
 102         * varasm.c (do_assemble_alias): Restore comment describing function.
 103         Annotate the target parameter as potentially unused.
 104
 105 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 106
 107         PR target/18551
 108         * config/avr/avr.c (avr_output_function_prologue): Do not use
 109         current_function_name() in a label, use a local label instead.
 110
 111 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
 112
 113         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
 114         flag_finite_math_only, not flag_unsafe_math_optimizations.
 115
 116 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 117
 118         * builtins.c (fold_builtin_1): Update a call to
 119         targetm.fold_builtin.
 120         * hooks.c (hook_tree_tree_bool_null): Rename to
 121         hook_tree_tree_tree_bool_null.  Take one more argument of type
 122         tree.
 123         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
 124         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
 125         hook_tree_tree_tree_bool_null.
 126         * target.h (gcc_target): Update the prototype of fold_builtin.
 127         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
 128         arguments of CALL_EXPR.
 129         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
 130         new prototype.
 131
 132 2005-03-20  Jan Hubicka  <jh@suse.cz>
 133
 134         * cgraph.h (cgraph_node): Add prev_clone pointer.
 135         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
 136         (cgraph_clone_node): Produce doubly linked chain.
 137
 138 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 139
 140         * c-common.c (handle_aligned_attribute, check_function_sentinel,
 141         get_nonnull_operand, handle_sentinel_attribute,
 142         check_function_arguments_recurse): Do not strip NOPS from
 143         INTEGER_CSTs.
 144         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
 145         Likewise.
 146         * c-format.c (get_constant): Likewise.
 147         * c-parser.c (c_parser_postfix_expression): Likewise.
 148         * c-typeck.c (set_init_index): Likewise.
 149         (convert_arguments): Don't check for NOP_EXPR containing integer
 150         constant.
 151
 152 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 153
 154         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
 155         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
 156         Take decomposed arguments of CALL_EXPR.
 157         (fold_builtin_1): Update calls to the functions mentioned
 158         above.
 159
 160 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 161
 162         * c-decl.c (check_bitfield_type_and_width): Require bit-field
 163         width to have integer type.
 164         (build_enumerator): Require enumerator value to have integer type.
 165
 166 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 167
 168         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
 169         to __builtin_inff.
 170
 171 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 172
 173         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
 174         std=iso9899:199x): Correct descriptions.
 175
 176 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 177
 178         * config.gcc: Consistently use solaris2.1[0-9]* instead of
 179         solaris2.1[0-9].
 180
 181 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
 182
 183         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
 184         of CALL_EXPR.
 185         (expand_builtin_memcpy, fold_builtin_1): Update calls to
 186         fold_builtin_memcpy.
 187
 188         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
 189         arguments of CALL_EXPR.
 190         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
 191         fold_builtin_found, fold_builtin_1): Update calls to
 192         fold_trunc_transparent_mathfn.
 193
 194 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 195
 196         PR middle-end/20493
 197         * fold-const.c (fold_widened_comparison): Don't optimize casts of
 198         function pointers on targets that require function pointer
 199         canonicalization.
 200         (fold_sign_changed_comparison): Likewise.
 201
 202 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 203
 204         * combine.c (try_combine): When changing the mode of a hard reg, make
 205         sure that doing so is valid.
 206
 207 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
 208
 209         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
 210         (TARGET_HANDLE_OPTION): Override default.
 211         (avr_handle_option): New function.
 212         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
 213         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
 214         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
 215         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
 216         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
 217         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
 218         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
 219         (TARGET_OPTIONS): Delete.
 220         * config/avr/avr.opt: New file.
 221
 222 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 223
 224         * config/m32r/m32r-protos.h: Remove the prototypes for
 225         call_address_operand, symbolic_operand, seth_add3_operand,
 226         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 227         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 228         two_insn_const_operand, move_src_operand,
 229         move_double_src_operand, move_dest_operand,
 230         eqne_comparison_operator, signed_comparison_operator,
 231         large_insn_p, conditional_move_operand, carry_compare_operand,
 232         m32r_block_immediate_operand, extend_operand,
 233         reg_or_eq_int16_operand, int8_operand, and
 234         reg_or_zero_operand.
 235         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 236         seth_add3_operand, int8_operand, cmp_int16_operand,
 237         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 238         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 239         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 240         move_double_src_operand, move_dest_operand,
 241         eqne_comparison_operator, signed_comparison_operator,
 242         extend_operand, small_insn_p, large_insn_p,
 243         conditional_move_operand, carry_compare_operand,
 244         m32r_block_immediate_operand): Move to predicates.md.
 245         (MAX_MOVE_BYTES): Move to m32r.h.
 246         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 247         * config/m32r/m32r.md: Include predicates.md.
 248         * config/m32r/predicates.md: New.
 249
 250 2005-03-18  James E Wilson  <wilson@specifixinc.com>
 251
 252         PR c++/19769
 253         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
 254         origin.
 255
 256 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 257
 258         * config/mn10300/mn10300-protos.h: Remove the prototypes for
 259         call_address_operand, const_8bit_operand.
 260         * config/mn10300/mn10300.c (call_address_operand,
 261         const_8bit_operand, const_1f_operand): Move to predicates.md.
 262         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
 263         * config/mn10300/mn10300.md: Include predicates.md.
 264         * config/mn10300/predicates.md: New.
 265
 266 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
 267
 268         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
 269         declarations in diagnostics and %E for identifiers, not %s.
 270
 271 2005-03-18  Jan Hubicka  <jh@suse.cz>
 272             Dale Johannesen  <dalej@apple.com>
 273
 274         * basic-block.h (scale_bbs_frequencies_int,
 275         scale_bbs_frequencies_gcov_type): Declare.
 276         * cfg.c (RDIV): New macro.
 277         (update_bb_frequency_for_threading): Fix.
 278         * basic-block.h (scale_bbs_frequencies_int,
 279         scale_bbs_frequencies_gcov_type): New.
 280         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
 281         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
 282         scale_bbs_frequencies_int.
 283         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
 284
 285 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 286
 287         * config/m32r/m32r-protos.h: Remove the prototypes for
 288         call_address_operand, symbolic_operand, seth_add3_operand,
 289         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 290         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 291         two_insn_const_operand, move_src_operand,
 292         move_double_src_operand, move_dest_operand,
 293         eqne_comparison_operator, signed_comparison_operator,
 294         large_insn_p, conditional_move_operand, carry_compare_operand,
 295         m32r_block_immediate_operand, extend_operand,
 296         reg_or_eq_int16_operand, int8_operand, and
 297         reg_or_zero_operand.
 298         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 299         seth_add3_operand, int8_operand, cmp_int16_operand,
 300         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 301         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 302         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 303         move_double_src_operand, move_dest_operand,
 304         eqne_comparison_operator, signed_comparison_operator,
 305         extend_operand, small_insn_p, large_insn_p,
 306         conditional_move_operand, carry_compare_operand,
 307         m32r_block_immediate_operand): Move to predicates.md.
 308         (MAX_MOVE_BYTES): Move to m32r.h.
 309         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 310         * config/m32r/m32r.md: Include predicates.md.
 311         * config/m32r/predicates.md: New.
 312
 313         * config/pa/pa-protos.h: Add prototypes for magic_milli and
 314         shadd_constant_p.
 315         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
 316         symbolic_operand, symbolic_memory_operand,
 317         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
 318         indexed_memory_operand, move_dest_operand, move_src_operand,
 319         prefetch_cc_operand, prefetch_nocc_operand,
 320         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
 321         arith_operand, arith11_operand, pre_cint_operand,
 322         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
 323         ireg_operand, int5_operand, uint5_operand, int11_operand,
 324         uint32_operand, arith5_operand, and_operand, ior_operand,
 325         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
 326         pc_or_label_operand, div_operand, plus_xor_ior_operator,
 327         shadd_operand, movb_comparison_operator,
 328         cmpib_comparison_operator): Move to predicates.md.
 329         (magic_milli, shadd_constant_p): Make it extern.
 330         * config/pa/pa.h (PREDICATE_CODES): Remove.
 331         * config/pa/pa.md: Include predicates.md.
 332         * config/pa/predicates.md: New.
 333
 334         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
 335         predicate.
 336
 337 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 338
 339         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
 340         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
 341         config/alpha/freebsd.h, config/alpha/linux.h,
 342         config/alpha/netbsd.h, config/alpha/osf5.h,
 343         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
 344         config/h8300/h8300-protos.h, config/h8300/h8300.c,
 345         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
 346         doc/cppopts.texi: Update copyright.
 347
 348 2005-03-18  Jan Hubicka  <jh@suse.cz>
 349
 350         PR middle-end/20225
 351         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
 352         too late.
 353         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
 354         called too late.
 355
 356 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 357
 358         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
 359         VEC_safe_push.
 360
 361 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
 362
 363         * combine.c (gen_binary): Remove.
 364         (known_cond, simplify_shift_const, find_split_point,
 365         combine_simplify_rtx, simplify_if_then_else, simplify_set,
 366         simplify_logical, expand_field_assignment, extract_left_shift,
 367         force_to_mode, if_then_else_cond, apply_distributive_law,
 368         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
 369         simplify_comparison, reversed_comparison): Replace with
 370         simplify_gen_binary, simplify_gen_relational or
 371         distribute_and_simplify_rtx.
 372         (distribute_and_simplify_rtx): New function.
 373
 374 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
 375             Paolo Bonzini  <gcc.gnu.org>
 376
 377         * calls.c (setjmp_call_p, special_function_p): Update comments
 378         at the head of the functions.
 379
 380 2005-03-18  Jan Hubicka  <jh@suse.cz>
 381
 382         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
 383
 384         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
 385         function body should be released; do not proactively release function
 386         bodies in non-unit-at-a-time mode.
 387
 388 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
 389
 390         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
 391         mno-fp-ret-in-387 multilib variants.
 392
 393 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
 394
 395         * common.opt (m): Remove.
 396         * opts.c (handle_option): Pass 'm' options to set_target_switch if
 397         table lookup fails.
 398         (common_handle_option): Remove OPT_m case.
 399
 400 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 401
 402         * builtins.c (fold_builtin_bitop): Take decomposed arguments
 403         of CALL_EXPR.
 404         (fold_builtin_1): Update a call to fold_builtin_bitop.
 405
 406         * builtins.c (fold_builtin_signbit): Take decomposed arguments
 407         of CALL_EXPR.
 408         (fold_builtin_1): Update a call to fold_builtin_signbit.
 409
 410 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
 411
 412         PR tree-optimization/20474
 413         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
 414         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
 415
 416 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 417
 418         * config/h8300/h8300-protos.h: Remove prototypes for
 419         general_operand_src, general_operand_dst, single_one_operand,
 420         single_zero_operand, call_insn_operand,
 421         two_insn_adds_subs_operand, small_call_insn_operand,
 422         jump_address_operand, bit_operand, bit_memory_operand,
 423         stack_pointer_operand, const_int_gt_2_operand,
 424         const_int_ge_8_operand, const_int_qi_operand,
 425         const_int_hi_operand, incdec_operand, bit_operator,
 426         nshift_operator, eqne_operator, gtle_operator,
 427         gtuleu_operator, iorxor_operator.
 428         Add prototypes for h8sx_shift_type h8sx_classify_shift and
 429         h8300_ldm_stm_parallel.
 430         * config/h8300/h8300.c (h8sx_shift_type,): Move to
 431         h8300-protos.h.
 432         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
 433         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
 434         (h8300_ldm_stm_parallel): Make it extern.
 435         (h8300_ldm_parallel, h8300_stm_parallel,
 436         h8300_return_parallel, general_operand_src,
 437         general_operand_dst, h8300_dst_operand, h8300_src_operand,
 438         nibble_operand, reg_or_nibble_operand, single_one_operand,
 439         single_zero_operand, call_insn_operand,
 440         two_insn_adds_subs_operand, small_call_insn_operand,
 441         jump_address_operand, bit_operand, bit_memory_operand,
 442         stack_pointer_operand, const_int_gt_2_operand,
 443         const_int_ge_8_operand, const_int_qi_operand,
 444         const_int_hi_operand, incdec_operand, eqne_operator,
 445         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
 446         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
 447         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
 448         nshift_operator): Move to predicates.md.
 449         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
 450         * config/h8300/h8300.md: Include predicates.md.
 451         * config/h8300/predicates.md: New.
 452
 453 2005-03-17  Richard Henderson  <rth@redhat.com>
 454
 455         * config.gcc (ia64*-*-hpux*): Add extra_options.
 456         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
 457         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 458         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
 459         (ia64_tls_size_string, ia64_tune_string): Remove.
 460         (ia64_tune): Init to PROCESSOR_ITANIUM2.
 461         (TARGET_DEFAULT_TARGET_FLAGS): New.
 462         (TARGET_HANDLE_OPTION): New.
 463         (ia64_override_options): Move options parsing ...
 464         (ia64_handle_option): ... here.  New.
 465         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
 466         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
 467         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
 468         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
 469         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
 470         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
 471         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
 472         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
 473         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
 474         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
 475         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
 476         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
 477         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
 478         TARGET_EARLY_STOP_BITS): Remove.
 479         (TARGET_ILP32): Default false.
 480         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
 481         (enum ia64_inline_type): New.
 482         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 483         * config/ia64/ia64.md: Update for new definitions of
 484         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
 485         * config/ia64/ia64.opt: New file.
 486         * config/ia64/ilp32.opt: New file.
 487
 488 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 489
 490         PR target/18380
 491         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
 492
 493 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 494
 495         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
 496         instead of MASK_H8300S.
 497         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
 498         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
 499         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
 500         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
 501         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
 502         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
 503         TARGET_SWITCHES): Remove.
 504         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
 505         TARGET_H8300SX.
 506         * config/h8300/h8300.opt: New.
 507
 508         * config/alpha/alpha.opt, config/arc/arc.opt,
 509         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
 510         notices.
 511
 512 2005-03-17  Ian Lance Taylor  <ian@airs.com>
 513
 514         * gmon.c: Remove.
 515
 516 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
 517
 518         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
 519         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
 520         (TARGET_HANDLE_OPTION): Override default.
 521         (arc_handle_option): New function.
 522         (arc_init): Remove code to set arch_cpu_string.
 523         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
 524         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
 525         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
 526         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
 527         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
 528         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
 529         (arc_rodata_string, TARGET_OPTIONS): Delete.
 530         * config/arc/arc.opt: New file.
 531
 532 2005-03-17  Richard Henderson  <rth@redhat.com>
 533
 534         * doc/extend.texi (Weak Pragmas): New section.
 535         (attribute alias): Clarify that target must be in the same
 536         translation unit.
 537
 538 2005-03-17  Richard Henderson  <rth@redhat.com>
 539
 540         * config/alpha/alpha.opt: New file.
 541         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
 542         of alpha_cpu.
 543         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
 544         alpha_fprm_string, alpha_fptm_string): Make static.
 545         (alpha_tls_size_string): Remove.
 546         (alpha_handle_option): New.
 547         (override_options): Update for alpha_cpu/alpha_tune split.
 548         (alpha_file_start): Likewise.
 549         (TARGET_DEFAULT_TARGET_FLAGS): New.
 550         (TARGET_HANDLE_OPTION): New.
 551         * config/alpha/alpha.h (alpha_tune): Declare.
 552         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
 553         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
 554         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
 555         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
 556         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
 557         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
 558         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
 559         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
 560         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
 561         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
 562         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
 563         (TARGET_DEFAULT): Remove MASK_FP.
 564         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
 565         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
 566         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
 567         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
 568         alpha_tls_size_string): Remove.
 569         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
 570         (attribute tune): Rename from attribute cpu.
 571         * config/alpha/ev4.md: Update to match.
 572         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
 573         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
 574         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
 575         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
 576         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
 577         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
 578
 579 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
 580
 581         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
 582         and return without creating new state if before_nops_num is nonzero.
 583         * config/ia64/ia64.md (first_insn): New attribute.
 584         (alloc): Set it to yes.
 585
 586 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 587
 588         * tree-vectorizer.c (new_vec_stmt_info): Initialize
 589         STMT_VINFO_SUBVARS to NULL.
 590         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
 591
 592 2005-03-16 Dale Johannesen  <dalej@apple.com>
 593
 594         * rtlanal.c (find_first_parameter_load):  Rewrite to
 595         return actual first param load or the call if none,
 596         instead of first in block, when not all loads exist.
 597
 598 2005-03-16  Roger Sayle  <roger@eyesopen.com>
 599
 600         * optabs.c (expand_copysign_absneg): Make static.
 601         * optabs.h (expand_copysign_absneg): Delete prototype.
 602         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
 603
 604 2005-03-16  Richard Henderson  <rth@redhat.com>
 605
 606         PR middle-end/15700
 607         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
 608         (alias_pairs): Rename from output_defs.
 609         (find_decl_and_mark_needed): Split out from assemble_alias.
 610         (do_assemble_alias): New.
 611         (assemble_output_def): Remove.
 612         (finish_aliases_1, finish_aliases_2): New.
 613         (process_pending_assemble_output_defs): Remove.
 614         (assemble_alias): Defer aliases for which we don't yet have a
 615         non-external decl for the target symbol.
 616         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
 617         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
 618         * toplev.c (compile_file): Use finish_aliases_2 instead of
 619         process_pending_assemble_output_defs.
 620         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
 621         (process_pending_assemble_output_defs): Remove.
 622
 623 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 624
 625         Fix PR tree-optimization/20489
 626
 627         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
 628         for empty structures.
 629
 630 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
 631
 632         Fix PR tree-optimization/20490
 633
 634         * tree-ssa-pre.c (create_expression_by_pieces): Use
 635         force_gimple_operand on result of fold.
 636
 637 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
 638
 639         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
 640         of closing parenthesis.
 641
 642 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
 643
 644         * builtins.c (expand_movstr): Update a call to
 645         fold_builtin_strcpy.
 646         (expand_builtin_strncpy): Update a call to
 647         fold_builtin_strncpy.
 648         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
 649         arguments of CALL_EXPR.
 650         (fold_builtin_1): Update calls to fold_builtin_strcpy and
 651         fold_builtin_strncpy.
 652         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
 653         * tree.h: Update the prototypes of fold_builtin_strcpy and
 654         fold_builtin_strncpy.
 655
 656 2005-03-16  Steven Bosscher  <stevenb@suse.de>
 657             Dorit Naishlos  <dorit@il.ibm.com>
 658
 659         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
 660         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
 661         error.
 662
 663 2005-03-16  Steven Bosscher  <stevenb@suse.de>
 664
 665         * tree-inline.c (walk_type_fields, walk_tree,
 666         walk_tree_without_duplicates): Move from here...
 667         * tree.c: ...to here.
 668
 669 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
 670
 671         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
 672         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
 673         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
 674         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
 675         (version): Define using $(BASEVER_c).
 676         (Makefile, config.status, build/gcov-iov.o): No longer depends on
 677         version.c.
 678         (version.o): Depend on version files; add custom generation command.
 679         (prefix.o): Define BASEVER on command line.
 680         (s-iov): Depend on version files; adjust command.
 681         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
 682         Add gcc-vers.texi.
 683         (gcc-vers.texi): New rule.
 684         (doc/%.info, doc/%.dvi): Add -I . to command line.
 685         (doc/gccinstall.dvi): Likewise.
 686         (PACKAGE): Delete.  All uses replaced with "gcc".
 687         * aclocal.m4: Do not include gcc-version.m4.
 688         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
 689         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
 690         Set is_release based on contents of DEV-PHASE.
 691         Set gcc_version based on contents of BASE-VER.
 692         Define WIN32_REGISTRY_KEY only if the user overrode the default.
 693         * config.in, configure: Regenerate.
 694         * gccbug.in: Determine version of GCC in use at runtime.
 695         * gcov-iov.c: Get version number and development phase from
 696         command line, not by including version.c.
 697         * intl.c: Replace all uses of PACKAGE with "gcc".
 698         * libada-mk.in: Delete unused "gcc_version" variable.
 699         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
 700         * version.c: (VERSUFFIX): New hook for redistributors; adjust
 701         commentary to match.
 702         (version_string): Put together from pieces.
 703         * config/alpha/x-vms: Do not use $(gcc_version).
 704         * config/i386/t-nwld: Likewise.
 705         * doc/include/gcc-common.texi: Include gcc-vers.texi for
 706         version-GCC and DEVELOPMENT.
 707
 708 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 709
 710         PR tree-optimization/17454
 711         * tree.c (tree_size): Add case for TREE_BINFO.
 712         * fold-const.c (fold_checksum_tree): Only clear the overloaded
 713         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
 714
 715 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 716
 717         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
 718         op1 whilst expanding the signed widenening multiply variant.
 719
 720 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
 721
 722         * toplev.c (display_target_options): Avoid unused variable warning if
 723         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
 724         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
 725         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
 726         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
 727         (mips_isa_info): New variable.
 728         (mips_parse_cpu): Remove the first argument and leave the caller
 729         to report errors.
 730         (TARGET_HANDLE_OPTION): Override default.
 731         (mips_handle_option): New function.  Move option validation code from...
 732         (override_options): ...here.  Update calls to mips_parse_cpu.
 733         * config/mips/mips.h (mips_arch_string, mips_tune_string)
 734         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
 735         (SUBTARGET_TARGET_OPTIONS): Delete.
 736         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
 737         (mno-flush-func, mtune=): New options.
 738
 739 2005-03-15  Roger Sayle  <roger@eyesopen.com>
 740             Richard Henderson  <rth@redhat.com>
 741
 742         * real.c (c4x_single_format, c4x_extended_format): Provide values
 743         for signbit_ro for c4x's single and extended floating point formats.
 744         * optabs.c (expand_copysign): Use the floating point format's
 745         signbit_ro for expanding via expand_copysign_absneg, and it's
 746         signbit_rw field for expanding via expand_copysign_bit.
 747
 748 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
 749
 750         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
 751         known_alignment_for_access_p.
 752         (known_alignment_for_access_p): New.
 753         (do_peeling_for_alignment): Field made int instead of bool and renamed
 754         to peeling_for_alignment.
 755         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
 756         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
 757         functionality used to be in vect_analyze_operations.
 758         (vect_analyze_operations): Code to determine vectorization factor was
 759         moved to vect_determine_vectorization_factor.
 760         (vect_enhance_data_refs_alignment): Update to correct alignment when it
 761         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
 762         factor.
 763         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
 764         be part of vect_analyze_operations).
 765         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
 766         creating the guard condition, as the number of iterations may be
 767         constant.
 768         (slpeel_tree_peel_loop_to_edge): Use new name of
 769         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
 770         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
 771         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
 772         (vect_do_peeling_for_alignment): Use fold.
 773         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
 774
 775         (vect_update_inits_of_dr): Renamed to
 776         vect_update_init_of_dr.
 777         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
 778         (vectorizable_store): Fix assertion to use == instead of =.
 779
 780 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
 781
 782         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
 783         call_used_regs for wCG registers.
 784
 785 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
 786
 787         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
 788         for non-offsettable memory references to cope with outstanding reload
 789         replacements, take 2.
 790
 791 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
 792
 793         PR target/18668
 794         * config/i386/i386.h (x86_fisttp): New.
 795         (TARGET_FISTTP): New macro.
 796         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
 797         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
 798         instruction when fisttp flag is set.
 799         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
 800
 801         * config/i386/i386.md (type attribute): Add fisttp.
 802         (unit attribute): Set to i387 for fisttp type.
 803         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
 804         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
 805         TARGET_FISTTP.
 806         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
 807         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
 808         macros.
 809         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
 810         patterns for TARGET_FISTTP.  Enable patterns for
 811         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
 812         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
 813         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
 814         implement fisttp x87 insn.
 815         (fix_trunc*_i387_fisttp splitters): New patterns.
 816         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
 817         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
 818         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
 819         clobber.
 820         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
 821         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
 822         Implement using mode macros. Disable patterns for TARGET_FISTTP.
 823         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
 824         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
 825         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
 826         Disable patterns for TARGET_FISTTP.
 827         (fix_trunc*_i387 splitters): Implement usign mode macros.
 828         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
 829         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
 830         (fix_trunx*_sse peephole2s): Implement using mode macros.
 831
 832 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
 833
 834         PR rtl-optimization/20291
 835         * combine.c (try_combine): If splitting fails, re-try with
 836         original combined pattern, i.e. before clobber stripping.
 837
 838 2005-03-14  Eric Christopher  <echristo@redhat.com>
 839
 840         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
 841         STACK_GROWS_DOWNWARD.
 842
 843 2005-03-14  Roger Sayle  <roger@eyesopen.com>
 844
 845         * real.h (struct real_format): Split the signbit field into two
 846         two fields, signbit_ro and signbit_rw.
 847         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
 848         mips_double_format, ieee_extended_motorola_format,
 849         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
 850         ieee_extended_intel_128_format, ibm_extended_format,
 851         mips_extended_format, ieee_quad_format, mips_quad_format,
 852         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
 853         i370_double_format, c4x_single_format, c4x_extended_format,
 854         real_internal_format): Update initializers for new field.
 855         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
 856         real_format structure.
 857         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
 858         field of the real_format structure.
 859
 860 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
 861
 862         Fix PR tree-optimization/20458
 863
 864         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
 865         DECL_EXTERNAL on STRUCT_FIELD tags.
 866         (clear_call_clobbered): Ditto.
 867         * tree-ssa-operands.c (note_addressable): Make sure the original
 868         variable doesn't slip into the addressable list if we have
 869         subvars.
 870         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
 871         tags too.
 872
 873 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
 874
 875         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
 876         (-fwide-exec-charset): Likewise.
 877         (-finput-charset): Likewise.
 878         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
 879         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
 880         * c.opt (Wnormalized): New.
 881
 882 2005-03-14  Devang Patel  <dpatel@apple.com>
 883
 884         * doc/invoke.texi: Add reference to Visibility document.
 885
 886 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
 887
 888         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
 889         MASK_SPLIT_ADDRESSES.
 890         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
 891         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
 892         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
 893         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
 894         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
 895         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
 896         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
 897         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
 898         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
 899         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
 900         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
 901         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
 902         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
 903         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
 904         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
 905         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
 906         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
 907         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
 908         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
 909         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
 910         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
 911         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
 912         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
 913         (TARGET_EXPLICIT_RELOCS): Delete.
 914         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
 915         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
 916         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
 917         (override_options): Set MASK_LONG64 if -mint64 is given and no
 918         -mlongXX option is.  Complain about -mint64 -mlong32.
 919         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
 920         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
 921         * config/mips/mips.opt: New file.
 922
 923 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
 924
 925         * config.gcc (extra_options): New variable for listing option files.
 926         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
 927         * configure.ac (extra_opt_files): New AC_SUBST variable.
 928         (tm_file_list, tm_include_list): Include options.h first.
 929         * configure: Regenerate.
 930         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
 931         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
 932         (s-options-h): New rule.
 933         (options.h): Depend on it.
 934         (TEXI_GCCINT_FILES): Add options.texi.
 935         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
 936         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
 937         * target.h (gcc_target): Add default_target_flags and handle_option.
 938         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
 939         (TARGET_HANDLE_OPTION): New macros.
 940         (TARGET_INITIALIZER): Include them.
 941         * opt-functions.awk (opt_args, nth_arg): New functions.
 942         (switch_flags): Handle the "Target" flag.
 943         (var_args): Delete.
 944         (var_name): Use opt_args and nth_arg.
 945         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
 946         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
 947         macros for the "Mask" and "InverseMask" options.
 948         * opts.h (cl_var_cond): New enum.
 949         (cl_option): Replace the "has_set_value" and "set_value" fields with
 950         "var_cond" and "var_value".
 951         (CL_TARGET): New macro.
 952         (option_enabled, print_filtered_help): Declare.
 953         (decode_options): Move definition.
 954         * opts.c (handle_option): Search for the original option before
 955         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
 956         var_cond and var_value fields.  Use targetm.handle_option to handle
 957         target options.
 958         (decode_options): Set target_flags to targetm.default_target_flags.
 959         (print_filtered_help): Make global.  Handle CL_TARGET.
 960         (option_enabled): New function.
 961         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
 962         (display_target_options, set_target_switch, print_switch_values)
 963         (default_pch_valid_p): Guard uses of target_switches with
 964         #ifdef TARGET_SWITCHES.  Also...
 965         (display_target_options): Display the CL_TARGET entries in cl_options.
 966         (set_target_option): Don't complain about the "" option when
 967         TARGET_SWITCHES is undefined.
 968         (print_switch_values): Use option_enabled.
 969         (default_pch_valid_p): Check cl_options[] when looking for something
 970         that has changed the value of target_flags.
 971         * c.opt: Remove documentation from top of file.
 972         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
 973         * doc/sourecebuild.texi: Refer to the new options documentation
 974         instead of c.opt.  Document machine-specific .opt files.
 975         * doc/tm.texi (target_flags): Say that this variable is declared
 976         by options.h.
 977         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
 978         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
 979         an alternative.
 980         * doc/options.texi: New file.
 981
 982 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
 983
 984         PR middle-end/18628
 985         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
 986         register.
 987
 988 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
 989
 990         PR c++/20280
 991         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
 992         temporary variable of pointer type if an lvalues is required.
 993         (gimplify_modify_expr_rhs): Request an rvalue from it.
 994         (gimplify_expr): Pass fallback on.
 995
 996 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
 997
 998         * cfgbuild.c: Update comments.
 999
1000 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1001
1002         PR rtl-optimization/17236
1003         * optabs.c (expand_doubleword_mult): New helper function split out
1004         from expand_binop.  Permute the order in which instructions are
1005         emitted to minimize the number of simultaneously live registers.
1006         (expand_binop): Call expand_doubleword_mult to synthesize a double
1007         word multiplication.
1008
1009 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1010
1011         * basic-block.h: Update the prototypes of cached_make_edge and
1012         rtl_make_eh_edge.
1013         * cfg.c (cached_make_edge): Take edge_cache representing one
1014         row of the adjacency matrix of edges.
1015         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1016         (make_edges): Initialize edge_cache to represent one row of
1017         the adjacency matrix of edges.
1018
1019 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1020
1021         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1022         New functions.
1023         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1024         Remove unused removed_phis variable.
1025         (conditional_replacement): Use build1/build2.
1026         (abs_replacement): Use last_and_only_stmt and build1/build2.
1027
1028 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1029
1030         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1031         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1032         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1033         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1034         * c-common.c (handle_novops_attribute): New function.
1035         (c_common_attribute_table): Add "no vops" entry.
1036         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1037         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1038         * tree-ssa-operands.c (get_call_expr_operands): Do not
1039         create virtual operands for calls with ECF_NOVOPS flag.
1040         * tree.h (DECL_IS_NOVOPS): New macro.
1041         (struct tree_decl): Add novops_flag.
1042         (ECF_NOVOPS): New constant.
1043
1044 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1045
1046         PR target/17688
1047         * config/i386/i386.c (x86_use_himode_fiop): New.
1048         (x86_use_simode_fiop): Rename from x86_use_fiop.
1049         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1050         (TARGET_USE_HIMODE_FIOP): New.
1051         (x86_use_simode_fiop): Rename from x86_use_fiop.
1052         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1053
1054         * config/i386/i386.md (X87MODEI12): New mode macro define.
1055         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1056         to implement x87 FP compare with HImode input operands.
1057         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1058         Use X87MODEI12 mode macro to handle HImode input operands.
1059         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1060         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1061         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1062         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1063         macro to implement x87 operators with HImode input operands.
1064         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1065         input operands.
1066
1067 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1068
1069         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1070         integer_zerop.
1071         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1072         constants invariant.
1073
1074 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1075
1076         * basic-block.h (BB_VISITED): Removed.
1077         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1078
1079 2005-03-14  Falk Hueffner  <falk@debian.org>
1080
1081         PR bootstrap/20424
1082         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1083
1084 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1085
1086         * ggc-zone.c: Fix comment typos.
1087
1088         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1089         stringpool.c, config/mips/mips-protos.h: Update copyright.
1090
1091 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1092
1093         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1094         throughout with its typedef, "rtx".
1095         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1096         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1097         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1098         regs in comment to match code.
1099
1100 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1101
1102         * except.c (check_handled): Make it static.
1103         * except.h: Remove the corresponding prototype.
1104
1105         * function.c (get_func_frame_size): Make it static.
1106         * function.h: Remove the corresponding type.
1107
1108         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1109         Make them static.
1110         * hard-reg-set.h: Remove the corresponding declarations.
1111
1112         * tree-cfg.c (verify_stmts): Check that
1113         bb_for_stmt (stmt) == bb for every PHI node and statement.
1114
1115 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1116
1117         * config.gcc: Remove excess indentation.
1118         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1119
1120 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1121
1122         PR middle-end/19331
1123         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1124         * fold-const.c (fold_sign_changed_comparison): Likewise.
1125         (fold_binary): Optimize comparisons against widened operands if
1126         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1127
1128 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1129
1130         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1131         (sparc_override_options): Initialize it.
1132         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1133
1134 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1135
1136         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1137         (reg_or_none500mem_operand): New predicate.
1138         (zero_reg_mem_operand): New predicate.
1139         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1140         to reg_or_none500mem_operand.
1141         (extendsfdf2_fpr): Add MEM alternative.
1142         (extenddftf2_internal): Change operand2 predicate to
1143         zero_reg_mem_operand.
1144
1145 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1146
1147         * ggc-zone.c: Rewritten.
1148
1149         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1150         if there are none.
1151         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1152         * config.in: Regenerated.
1153         * configure: Regenerated.
1154         * gengtype.c (write_types_process_field, write_func_for_structure):
1155         Pass new argument to gt_pch_note_object.
1156         * ggc-common.c (struct ptr_data): Add TYPE.
1157         (gt_pch_note_object): Take TYPE argument and save it.
1158         (call_count): Update call to ggc_pch_count_object.
1159         (call_alloc): Update call to ggc_pch_alloc_object.
1160         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1161         file.
1162         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1163         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1164         (ggc_alloc_zone_stat): Delete.
1165         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1166         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1167         (ggc_pch_alloc_object): Update prototypes.
1168         (garbage_zone): Delete.
1169         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1170         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1171         pointers.
1172         (tree_id_zone): New variable.
1173         (ggc_alloc_cleared_zone): Remove unused.
1174         (ggc_alloc_zone): Define.
1175         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1176         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1177         ggc_alloc_zone_stat.
1178         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1179         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1180         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1181         (make_node_stat): Likewise.  Use tree_id_zone.
1182
1183 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1184             Joseph S. Myers  <joseph@codesourcery.com>
1185
1186         * configure.ac: Check for MIPS TLS.
1187         * configure: Regenerated.
1188         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1189         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1190         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1191         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1192         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1193         (mips_classify_symbol, mips_symbolic_constant_p)
1194         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1195         (mips_tls_operand_p, mips_call_tls_get_addr)
1196         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1197         (mips_tls_symbol_ref_1): New functions.
1198         (mips_legitimize_address, mips_legitimize_const_move): Call
1199         mips_legitimize_tls_address.
1200         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1201         for MIPS16.
1202         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1203         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1204         (mips_char_to_class): Document V1_REG.
1205         (HAVE_AS_TLS): Provide default.
1206         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1207         constants.
1208         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1209         !TARGET_ABICALLS.
1210         (tls_get_tp_<mode>): New instruction.
1211
1212 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1213
1214         * configure.ac: Update checks for target tools.
1215         * configure: Regenerated.
1216
1217 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1218
1219         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1220
1221 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1222
1223         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1224         more classes of DImode multiplication by constant.  Allow both
1225         multiplication by small negative constants (by performing a
1226         multiplication by a positive constant and negating the result) and
1227         multiplications by large powers of two, by using a left shift.
1228
1229 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1230
1231         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1232         of basic blocks into work_stack.
1233
1234         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1235         config/mips/vr.h: Update copyright.
1236
1237         * c-decl.c (c_init_decl_processing): Remove useless calls to
1238         build_function_type.
1239
1240         * builtins.c (fold_trunc_transparent_mathfn,
1241         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1242         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1243         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1244         fold_builtin_strcpy, fold_builtin_strncpy,
1245         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1246         TREE_TYPE (exp).
1247
1248         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1249         before_call.
1250
1251         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1252         variable determinant.
1253
1254         * tree-cfg.c (group_case_labels): Remove local variable type.
1255
1256         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1257         variable ann.
1258
1259         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1260         result.
1261
1262 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1263
1264         PR target/18251
1265         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1266         (*movmemqi_insn): Delete.
1267         (*movmemhi): Delete.
1268
1269 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1270
1271         * builtins.c (fold_builtin_classify): Take decomposed
1272         arguments of CALL_EXPR.
1273         (fold_builtin_1): Update a call to fold_builtin_classify.
1274
1275 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1276
1277         PR c/20402
1278         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1279         through into call to parser_xref_tag after parse error.
1280         (c_parser_struct_declaration): Consistently return NULL_TREE on
1281         error.
1282
1283 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1284
1285         * tree-flow-inline.h (ref_contains_array_ref): New function.
1286         (lookup_subvars_for_var): Ditto.
1287         (get_subvars_for_var): Ditto.
1288         (var_can_have_subvars): Ditto.
1289
1290         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1291         (struct subvar): New type.
1292
1293         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1294
1295         * tree-optimize.c (init_tree_optimization_passes): Call
1296         pass_create_structure_vars.
1297
1298         * tree-ssa-alias.c: Include vec.h.
1299         (init_alias_info): Don't auto-clear call clobbered on struct-field
1300         tags.
1301         (compute_flow_insensitive_aliasing): Handle subvars.
1302         (group_aliases): Handle STRUCT_FIELD aliases.
1303         (setup_pointers_and_addressables): Ditto.
1304         Don't mark variables non-addressable if they still have
1305         addressable subvars.
1306         Also mark subvars addressable when the real variable is marked
1307         addressable.
1308         (add_pointed_to_var): Try to prune the pointed-to set by only
1309         pointing to subvars when possible.
1310         Otherwise, make sure we set addresses_needed and pt_vars to
1311         properly include subvars.
1312         (bitpos_of_field): New function.
1313         (push_fields_onto_fieldstack): Ditto.
1314         (get_or_create_used_part_for): Ditto.
1315         (create_overlap_variables_for): Ditto.
1316         (find_used_portions): Ditto.
1317         (create_structure_vars): Ditto.
1318         (pass_create_structure_vars): New structure.
1319
1320         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1321         (get_expr_operands): Handle subvars.  Also try to turn
1322         COMPONENT_REF accesses into must-defs now that we can accurately
1323         portray it.
1324         (note_addressable): Try to only mark as addressable those subvars
1325         we know a COMPONENT_REF touches.
1326         (overlap_subvar): New function.
1327
1328         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1329         Handle subvar storing.
1330         (vect_address_analysis): Update caller of vect_object_analysis.
1331
1332         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1333
1334         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1335         (STMT_VINFO_SUBVARS): New macro.
1336
1337         * common.opts: add flag_tree_salias.
1338
1339         * opts.c (decode_options): flag_tree_salias defaults to on.
1340
1341         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1342
1343         * doc/tree-ssa.texi: Document structural alias analysis.
1344
1345 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1346
1347         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1348         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1349         * tree-ssa-operands.c (get_expr_operands): Likewise.
1350         (get_expr_operands): Likewise for ERROR_MARK.
1351
1352 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1353
1354         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1355         var.
1356
1357         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1358         removed_phis.
1359
1360         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1361         (mark_operand_necessary): Remove local variable ver.
1362
1363         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1364         variable prefix_len.
1365
1366         * value-prof.c (mod_subtract_transform): Remove local variable
1367         value.
1368
1369         * builtins.c (fold_builtin_exponent): Take decomposed
1370         arguments of CALL_EXPR.
1371         (fold_builtin_1): Update a call to fold_builtin_exponent.
1372
1373         * builtins.c (fold_builtin_logarithm): Take decomposed
1374         arguments of CALL_EXPR.
1375         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1376
1377         * c-decl.c (c_init_decl_processing): Remove local variables
1378         ptr_ftype_void and ptr_ftype_ptr.
1379
1380         * gimplify.c (gimplify_expr): Remove local variables r0 and
1381         r1.
1382
1383         * reg-stack.c (move_for_stack_reg): Remove local variable
1384         push_insn.
1385         (compare_for_stack_reg): Remove local variable flags_user.
1386         (convert_regs_1): Remove local variable deleted.
1387
1388         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1389         variable new_cond.
1390         (combine_blocks): Remove local variables exits and new_e.
1391
1392         * tree-inline.c (expand_call_inline): Remove local variable
1393         decl.
1394
1395         * tree-ssa-live.c (create_ssa_var_map,
1396         calculate_live_on_entry): Remove local variable snn.
1397
1398 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1399
1400         * c-lex.c (c_lex_with_flags): Add parameter to call to
1401         cpp_spell_token.
1402
1403 2005-03-11  Per Bothner  <per@bothner.com>
1404
1405         * c-tree.h (struct c_declarator): New id_loc field.
1406         * c-pragma.h (c_lex_with_flags): Take position reference.
1407         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1408         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1409         (c_lex): Pass dummy location to c_lex_with_flags.
1410         * c-parser.c (c_lex_one_token): Set c_token's location using
1411         c_lex_with_flags, instead of input_location, which might be "ahead".
1412         (c_parser_direct_declarator): Set declarator's id_loc from
1413         c_token's id_loc.
1414         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1415         declarator's id_loc, rather than probably-imprecise input_location.
1416         (build_id_declarator): Initialize c_declarator's id_loc field.
1417
1418 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1419
1420         PR middle-end/20419
1421         * builtins.c (expand_builtin_signbit): Force the signbit's word
1422         into an integer register to avoid SUBREGs of floating point modes.
1423
1424 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1425
1426         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1427         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1428         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1429         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1430
1431 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1432
1433         PR rtl-optimization/20306
1434         * expr.c (emit_move_complex): Set try_int false if mode is
1435         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1436         emit_block_move if try_int is true.
1437
1438 2005-03-11  Richard Henderson  <rth@redhat.com>
1439
1440         PR target/20415
1441         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1442         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1443         to match.
1444
1445 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1446
1447         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1448         (TARGET_FIX_VR4130): New macro.
1449         (TARGET_OPTIONS): Add -mfix-vr4130.
1450         (ISA_HAS_MACCHI): New macro.
1451         (ASM_SPEC): Add -mfix-vr4130.
1452         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1453         (override_options): Handle mips_fix_vr4130_string.
1454         (mips_avoid_hazards): Clear all_noreorder_p
1455         if we're working around VR4130 errata and the macc alternatives
1456         are not available.
1457         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1458         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1459         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1460         (MULTILIB_DEFAULTS): Remove leading "march=".
1461         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1462         if no architecture option is given.
1463         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1464         VR4130 multilibs.
1465         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1466         * doc/invoke.texi: Document -mfix-vr4130.
1467
1468 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1469
1470         * config/mips/mips.c (override_options): Only warn about -mint64
1471         deprecation if TARGET_INT64.
1472
1473 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1474
1475         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1476         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1477         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1478         are non-specific regarding the nonnull parameter positions.
1479         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1480         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1481         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1482         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1483
1484         * builtins.def: Use the non-specific "nonnull" attibute lists.
1485
1486 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1487
1488         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1489         single_pred_edge, single_succ, single_pred): Improve comments.
1490
1491 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1492
1493         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1494         single_pred_edge, single_succ, single_pred): New inline functions.
1495         * bb-reorder.c (rotate_loop, find_traces_1_round,
1496         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1497         duplicate_computed_gotos): Use the single_succ/pred functions.
1498         * cfganal.c (forwarder_block_p): Ditto.
1499         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1500         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1501         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1502         merge_seq_blocks): Ditto.
1503         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1504         * cfglayout.c (fixup_reorder_chain): Ditto.
1505         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1506         canonicalize_loop_headers, verify_loop_structure): Ditto.
1507         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1508         mfb_update_loops, create_preheader, force_single_succ_latches,
1509         create_loop_notes): Ditto.
1510         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1511         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1512         commit_one_edge_insertion, purge_dead_edges,
1513         cfg_layout_can_merge_blocks_p): Ditto.
1514         * except.c (sjlj_emit_function_enter): Ditto.
1515         * flow.c (init_propagate_block_info): Ditto.
1516         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1517         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1518         insert_insn_end_bb): Ditto.
1519         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1520         find_if_case_2): Ditto.
1521         * lambda-code.c (perfect_nestify): Ditto.
1522         * lcm.c (optimize_mode_switching): Ditto.
1523         * loop-doloop.c (doloop_modify): Ditto.
1524         * loop-init.c (loop_optimizer_init): Ditto.
1525         * loop-iv.c (simplify_using_initial_values): Ditto.
1526         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1527         * loop-unswitch.c (unswitch_loop): Ditto.
1528         * modulo-sched.c (generate_prolog_epilog): Ditto.
1529         * predict.c (combine_predictions_for_insn, estimate_probability,
1530         tree_estimate_probability, last_basic_block_p,
1531         estimate_bb_frequencies): Ditto.
1532         * profile.c (branch_prob): Ditto.
1533         * regrename.c (copyprop_hardreg_forward): Ditto.
1534         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1535         * tracer.c (layout_superblocks): Ditto.
1536         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1537         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1538         cleanup_control_expr_graph, disband_implicit_edges,
1539         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1540         tree_verify_flow_info, tree_make_forwarder_block,
1541         tree_forwarder_block_p, remove_forwarder_block,
1542         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1543         * tree-if-conv.c (tree_if_conversion): Ditto.
1544         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1545         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1546         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1547         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1548         copy_loop_headers): Ditto.
1549         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1550         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1551         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1552         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1553         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1554         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1555         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1556         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1557         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1558         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1559         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1560         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1561         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1562         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1563         slpeel_add_loop_guard): Ditto.
1564
1565 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1566
1567         PR tree-optimization/15784
1568         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1569         and -1 - A to ~A.
1570
1571         * stmt.c (expand_case): Don't change index_type.  Convert minval
1572         to the proper type.
1573
1574         PR tree-optimization/20130
1575         * fold-const.c (fold): Fold x * -1 into -x.
1576
1577 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1578
1579         PR rtl-optimization/20331
1580         * rtlanal.c (modified_between_p): Check its address first for MEM.
1581         (modified_in_p): Likewise.
1582
1583 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1584
1585         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1586
1587 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1588
1589         * expr.c (expand_expr_real_1): If possible, use a conditional
1590         move for expanding MIN_EXPR and MAX_EXPR.
1591         Use temp for moving around rtx-en.
1592
1593 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1594
1595         PR rtl-opt/20412
1596         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1597         correct mode.
1598
1599 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1600
1601         * builtins.c (expand_builtin_signbit): Extend to handle floating
1602         point modes wider than the largest integer type, using the
1603         operand_subword_force function to obtain the signbit's word.
1604
1605 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1606
1607         PR target/20322
1608         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1609         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1610
1611 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1612
1613         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1614
1615 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1616
1617         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1618         type void.
1619         (perform_edge_inserts): Unconditionally call
1620         free_dominator_info.
1621
1622         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1623
1624 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1625
1626         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1627
1628 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1629
1630         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1631
1632         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1633         gcc_unreachable.
1634         (rtl_register_value_prof_hooks,
1635         tree_value_profile_transformations,
1636         tree_register_value_prof_hooks): Likewise.
1637         * var-tracking.c (stack_adjust_offset_pre_post,
1638         variable_htab_free, variable_union, dataflow_set_different_2,
1639         count_uses, variable_was_changed, set_frame_base_location,
1640         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1641         vt_add_function_parameters): Likewise.
1642         * varasm.c (named_section_real, named_section, make_decl_rtl,
1643         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1644         const_hash_1, compare_constant, copy_constant, force_const_mem,
1645         output_constant_pool_2, output_constant_pool_1, output_constant,
1646         output_constructor, make_decl_one_only, decl_tls_model,
1647         default_no_named_section, default_elf_select_section_1,
1648         default_unique_section_1): Likewise.
1649         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1650         * vmsdbgout.c (addr_const_to_string): Likewise.
1651
1652         PR c++/20375
1653         * function.c (struct assign_parm_data_one): Remove last_named
1654         field.
1655         (assign_parm_find_data_types): Don't determine last_named.
1656         Reorder named_parm determination.
1657         (assign_parms): Only setup varargs on the last non-varadic
1658         parameter.
1659
1660 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1661
1662         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1663         sda base address on medium model.
1664
1665 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1666
1667         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1668         * cfgloop.c (flow_loop_nodes_find): Export.
1669         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1670         Declare.
1671         * cfgloopmanip.c (fix_loop_structure): New function.
1672         * predict.c (predict_loops): Clean up the loops information.
1673         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1674         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1675         loop structure.
1676         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1677         (rewrite_into_loop_closed_ssa): Declaration changed.
1678         * tree-loop-linear.c (linear_transform_loops): Add argument to
1679         rewrite_into_loop_closed_ssa call.
1680         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1681         * tree-ssa-loop-im.c (move_computations): Ditto.
1682         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1683         * tree-vectorizer.c (vectorize_loops): Ditto.
1684         * tree-optimize.c: Include cfgloop.h.
1685         (execute_todo): Choose whether to call cleanup_tree_cfg or
1686         cleanup_tree_cfg_loop.
1687         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1688         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1689         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1690         cleanup_tree_cfg_loop call.
1691         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1692         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1693         work on part of cfg.
1694
1695 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1696
1697         PR inline-asm/20314
1698         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1699         with multiple alternatives.
1700
1701         * stmt.c (parse_output_constraint): Fix a typo.
1702
1703 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1704
1705         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1706         assembly directive instead of deprecated "no-generics".
1707
1708 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1709
1710         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1711         for non-offsettable memory references to cope with outstanding reload
1712         replacements.
1713         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1714         avoid losing outstanding address reloads.
1715         ("reload_outdi", "reload_outdf"): Likewise.
1716
1717 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1718
1719         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1720         code.  Add more cbrt transformations.
1721
1722 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1723
1724         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1725
1726 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1727
1728         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1729         NULL_TREE when a given tree is not simplified.
1730         (fold): Return the original tree when any of the functions
1731         mentioned above NULL_TREE.
1732
1733         * fold-const.c (fold_unary, fold_binary): Take decomposed
1734         arguments, code, type, op0, and op1 in case of fold_binary.
1735         (fold): Update calls to fold_unary and fold_binary.
1736
1737 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1738
1739         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1740         a fndecl and an arglist instead of a CALL_EXPR, exp.
1741
1742 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1743
1744         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1745
1746         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1747
1748         * expr.c (expand_assignment): Remove orig_to_rtx.
1749
1750         * fold-const.c (int_const_binop): Remove no_overflow.
1751
1752         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1753
1754         * loop-iv.c (get_biv_step_1): Remove lhs.
1755
1756         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1757
1758         * real.c (real_nan): Remove neg.
1759
1760         * function.c (thread_prologue_and_epilogue_insns): Remove i
1761         and newinsn.
1762
1763         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1764         tb.
1765
1766         * tree-eh.c (tree_could_trap_p): Remove idx.
1767
1768         * tree-into-ssa.c (ann): Remove ann.
1769
1770         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1771
1772         * tree-sra.c (decide_block_copy): Remove inst_count.
1773
1774         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1775
1776         * tree-ssa-loop-im.c (lhs): Remove.
1777
1778         * cfgbuild.c (state, STATE, SET_STATE,
1779         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1780         make_edges.
1781         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1782         (find_basic_blocks): Set the state of each basic block to
1783         BLOCK_NEW.
1784
1785 2005-03-08  Jeff Law  <law@redhat.com>
1786
1787         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1788         goto results in the removal of edges in the CFG, then we need
1789         to recompute dominators.
1790
1791 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1792
1793         * c-common.c (c_do_switch_warnings): Comment fix.
1794
1795 2005-03-08  Julian Brown  <julian@codesourcery.com>
1796
1797         * Patch from 2005-03-08 reverted for causing regressions and
1798         ppc-darwin bootstrap failure.
1799
1800 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1801
1802         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1803         Define the real function for ppc-darwin.
1804         * c-typeck.c (convert_arguments): Check for target-specific
1805         invalid argument call to unprototyped function.
1806         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1807         New Macro.
1808         * target.h (invalid_arg_for_unprototyped_fn): New field
1809         in struct calls.
1810         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1811         default target hook.
1812         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1813         Declare.
1814
1815 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1816
1817         * c-typeck.c (constructor_stack, constructor_range_stack,
1818         initializer_stack): Make them static.
1819
1820         * cfg.c (rbi_pool): Make it static.
1821
1822         * gimple-low.c (lower_stmt_body): Make it static.
1823         * tree-flow.h: Remove the corresponding prototype.  Don't
1824         declare lower_data.
1825
1826         * sched-deps.c (cache_size): Make it static.
1827
1828         * stor-layout.c (lang_adjust_rli): Make it static.
1829
1830 2005-03-08  Julian Brown  <julian@codesourcery.com>
1831
1832         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1833         from being used for symbols with vague linkage when
1834         HAVE_GAS_COMDAT_GROUP is true.
1835
1836 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1837
1838         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1839         nlabel == JUMP_LABEL (jump).
1840
1841 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1842
1843         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1844         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1845         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1846         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1847
1848 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1849
1850         PR c/14411
1851         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1852         * c-common.c (handle_returns_twice): New function.
1853         (c_common_attribute_table): Declare eturns_twice' attribute.
1854         * doc/extend.texi: Document eturns_twice' attribute.
1855         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1856         (struct tree_decl): Add returns_twice_flag.
1857
1858 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1859
1860         * tree-ssa-phiopt.c: Fix a comment typo.
1861
1862         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1863         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1864         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1865         copyright.
1866
1867 2005-03-08  Richard Henderson  <rth@redhat.com>
1868
1869         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1870         builtin codes with ctzdi2, clzdi2, popcountdi2.
1871         (struct alpha_builtin_def): Add is_const.
1872         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1873         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1874         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1875         on builtins.
1876         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1877         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1878         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1879         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1880         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1881         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1882         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1883         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1884         (TARGET_FOLD_BUILTIN): New.
1885         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1886         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1887         (ffsdi2): Use ctz.
1888         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1889
1890 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1891
1892         PR tree-optimization/20122
1893         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1894         condition of access function instead of base.
1895
1896 2005-03-07  Jeff Law  <law@redhat.com>
1897             Steven Bosscher  <stevenb@suse.de>
1898
1899         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1900         (find_taken_edge): Call find_taken_edge_computed_goto as
1901         appropriate.  Allow any gimple invariant rather than just
1902         INTEGER_CST for VAL.
1903         (cleanup_control_flow): Cleanup a computed goto which has turned
1904         into a simple goto.
1905         (tree_merge_blocks): If block B has any forced labels, move
1906         them to the start of block A.
1907         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1908         computed gotos as well.
1909         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1910         removal of unnecessary computed gotos too.
1911         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1912         updated.
1913
1914 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1915
1916         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1917         Remove trailing spaces.
1918
1919         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1920         unshare_all_trees): Make them static.
1921         * tree-gimple.h: Remove the corresponding prototypes.
1922
1923         * diagnostic.h: Remove unused prototype
1924         debug_output_buffer.
1925         * modulo-sched.c: Remove unused prototype
1926         set_row_column_for_ps.
1927
1928         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1929         replace_phi_edge_with_variable): Remove unused variable i.
1930
1931 2005-03-07  Per Bothner  <per@bothner.com>
1932
1933         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1934
1935 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1936
1937         PR tree-opt/17671
1938         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1939         bbs on the COND_EXPR instead of the PHI_NODEs.
1940         (candidate_bb_for_phi_optimization): Remove.
1941         (replace_phi_with_stmt): Rename to ...
1942         (replace_phi_edge_with_variable): this and change so that we
1943         replace the phi argument instead of removing the PHI.
1944         (conditional_replacement): Change so we deal with PHI with more
1945         than two arguments.
1946         (value_replacement): Likewise.
1947         (abs_replacement): Likewise.
1948
1949 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1950
1951         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1952         output_e500_flip_gt_bit.
1953
1954         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1955         as bit 31.
1956         (rs6000_generate_compare): Fix logic to look at the correct bits.
1957         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1958         Look at GT bit.
1959         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1960         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1961         gen_move_from_CR_gt_bit.
1962
1963         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1964         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1965         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1966
1967         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1968         (E500_CR_IOR_COMPARE): New constant.
1969
1970 2005-03-08  Earl Chew <earl_chew@agilent.com>
1971             David Billinghurst <David.Billinghurst@riotinto.com>
1972
1973         * config/i386/host-cygwin.c: New file to support precompiled
1974         headers on cygwin
1975         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1976         * config.host: Use above files for cygwin host.
1977
1978 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1979
1980         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1981         ordering ops from earlier change.
1982
1983 2005-03-07  Per Bothner  <per@bothner.com>
1984
1985         Various fixes to allow us to again build if --enable-mapped-location:
1986         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1987         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1988         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1989         local variable loc. Change logic appropriately.
1990         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1991         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1992         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1993         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1994         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1995
1996 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1997
1998         PR rtl-optimization/19683
1999         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2000         number of bytes, to smallest_int_for_mode.  Fix arguments to
2001         REG_CANNOT_CHANGE_MODE_P.
2002
2003 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2004
2005         * reorg.c (relax_delay_slots): Check that the jump is
2006         conditional before trying to invert it.
2007
2008 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2009
2010         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2011         Make them static.
2012
2013         * calls (stack_arg_under_construction): Make it static.
2014
2015         * flow.c (regs_live_at_setjmp): Make it static.
2016         * flow.h: Remove the corresponding prototype.
2017
2018         * reload1.c (reload_startobj, reload_firstobj,
2019         something_needs_operands_changed, reload_inherited,
2020         reload_inheritance_insn, reload_override_in,
2021         reload_spill_index): Make them static.
2022
2023         * recog.c (verify_changes): Make it static.
2024         * recog.h: Remove the corresponding prototype.
2025
2026         * cfgbuild.c (find_sub_basic_blocks): Remove.
2027         * basic-block.h: Remove the corresponding prototype.
2028         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2029         in comments.
2030         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2031
2032         * tree-ssa-operands.c (check_build_stmt): Remove.
2033
2034         * stor-layout.c (set_alignment): Remove.
2035         * tree.h: Remove the corresponding prototype.
2036
2037         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2038
2039         * tree-ssa-dce.c (control_dependence_map,
2040         visited_control_parents): Make them static.
2041
2042         * cfghooks.c (verify_flow_info): Remove local variable
2043         num_bb_notes.
2044
2045         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2046         last_bb_seen.
2047
2048         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2049
2050 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2051
2052         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2053
2054 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2055
2056         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2057         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2058         PARALLEL for an empty structure.
2059
2060 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2061
2062         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2063
2064         * fold-const.c (fold_binary): Unroll the very first "for"
2065         loop.
2066
2067 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2068
2069         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2070         redundant match_code test.
2071         (scc_comparison_operator): Swap match_operand and match_code
2072         tests.
2073         (branch_positive_comparison_operator): Same.
2074         (trap_comparison_operator): Use comparison_operator and swap with
2075         match_code test.
2076
2077 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2078
2079         PR target/20288
2080         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2081         (out_movhi_r_mr): Read low byte of volatile MEM first.
2082         (out_movhi_mr_r): Write high byte of volatile MEM first.
2083
2084 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2085
2086         * cselib.c (reg_values, reg_values_size): Make them static.
2087
2088         * cse.c (cse_reg_info_table): Make it static.
2089
2090         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2091
2092 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2093
2094         * cse.c (find_best_addr): Use canon_for_address.
2095
2096 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2097
2098         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2099         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2100         SUBREG and MEM, respectively.
2101
2102         * fold-const.c (fold_binary): Use code instead of t.
2103
2104         * fold-const.c (optimize_minmax_comparison): Take decomposed
2105         arguments code, type, op0, and op1 instead of t.
2106         (fold_binary): Update a call to optimize_minmax_comparison.
2107
2108         * fold-const.c (fold_range_test): Take decomposed arguments
2109         code, type, op0, and op1 instead of t.
2110         (fold_binary): Update a call to fold_range_test.
2111
2112         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2113         decomposed arguments code, type, op0, and op1 instead of t.
2114         (fold_binary): Update a call to fold_range_test.
2115
2116 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2117
2118         * fold-const.c (fold_binary): Avoid directly using the original
2119         expression t as much as possible.
2120
2121 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2122
2123         * c-semantics.c (build_stmt): Use TYPE_P instead of
2124         IS_NON_TYPE_CODE_CLASS.
2125         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2126         (NON_TYPE_CHECK): Use TYPE_P instead of
2127         IS_NON_TYPE_CODE_CLASS.
2128
2129         * fold-const.c (fold): Remove handling of binary expressions.
2130
2131 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2132
2133         * doc/c-tree.texi: Wrap comments in @r{}.
2134         * doc/cpp.texi: Likewise.
2135         * doc/cppinternals.texi: Likewise.
2136         * doc/extend.texi: Likewise.
2137         * doc/md.texi: Likewise.
2138         * doc/objc.texi: Likewise.
2139         * doc/sourcebuild.texi: Likewise.
2140         * doc/tm.texi: Likewise.
2141         * doc/tree-ssa.texi
2142
2143 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2144
2145         * predict.c (apply_return_prediction): Standardize PHI chain
2146         walking.
2147         * tree-ssa.c (ssa_redirect_edge): Likewise.
2148
2149         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2150         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2151         Update copyright.
2152
2153         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2154         * tree-flow.h: Adjust the prototype for remove_phi_node.
2155         * lambda-code.c (perfect_nestify): Adjust a call to
2156         remove_phi_node.
2157         * tree-cfg.c
2158         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2159         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2160         Likewise.
2161         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2162         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2163         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2164         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2165
2166         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2167         of GEN_INT (trunc_int_for_mode (...)).
2168         * loop-iv.c (iv_number_of_iterations): Likewise.
2169         * postreload.c (reload_cse_move2add): Likewise.
2170         * simplify-rtx.c (simplify_const_unary_operation,
2171         simplify_const_binary_operation): Likewise.
2172         * stor-layout.c (get_mode_bounds): Likewise.
2173
2174         * fold-const.c (fold_binary): New.
2175         (fold): Call fold_binary on binary expressions.
2176
2177 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2178
2179         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2180         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2181         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2182         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2183         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2184
2185 2005-03-04  Devang Patel  <dpatel@apple.com>
2186
2187         PR tree-optimization/18815
2188         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2189         loops with zero exit edges.
2190
2191 2005-03-04  Devang Patel  <dpatel@apple.com>
2192
2193         * doc/invoke.texi: Remove reference to webpage that does not exist.
2194
2195 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2196             Joseph S. Myers  <joseph@codesourcery.com>
2197
2198         PR c++/19797
2199         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2200         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2201         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2202         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2203         maybe_get_identifier instead of get_identifier.
2204         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2205         (struct deferred_plabel): Replace name field with symbol field.
2206         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2207         ASM_OUTPUT_EXTERNAL_REAL is defined.
2208         (output_global_address): Use output_addr_const for output of all
2209         symbol_refs.
2210         (output_deferred_plabels): Use symbol_ref instead of name for address
2211         output.
2212         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2213         ASM_OUTPUT_SYMBOL_REF): New macros.
2214         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2215         comment.
2216         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2217         label.
2218
2219 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2220
2221         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2222         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2223
2224 2005-03-04  Jeff Law  <law@redhat.com>
2225
2226         * basic-block.h (rediscover_loops_after_threading): Declare.
2227         * tree-ssa-dom.c: Include cfgloop.h.
2228         (tree_ssa_dominator_optimize): Discover loops and some basic
2229         properties.  Remove forwarder blocks recreated by loop header
2230         canonicalization.  Also mark backedges in the CFG.
2231         * tree-ssa-threadupdate.c: Include cfgloop.h
2232         (rediscover_loops_after_threading): Define.
2233         (struct local_info): New field, JUMP_THREADED.
2234         (prune_undesirable_thread_requests): New function.
2235         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2236         then record that fact for the callers of redirct_edges.
2237         (thread_block): If BB has incoming backedges, then call
2238         prune_undesirable_thraed_requests.    Note when we are
2239         going to have to rediscover loop information.  Return a
2240         boolean indicating if any jumps were threaded.
2241         (thread_through_all_blocks): Bubble up boolean indicating
2242         if any jumps were threaded.
2243         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2244         (tree-ssa-threadupdate.o): Similarly.
2245
2246 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2247
2248         * fold-const.c (fold_ternary): Unroll the "for" loop to
2249         extract operands.
2250
2251 2005-03-04  Andrew Haley  <aph@redhat.com>
2252
2253         * unwind-dw2-fde-glibc.c (struct
2254         unw_eh_callback_data.check_cache): New field.
2255         (frame_hdr_cache): New.
2256         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2257         Cache frame header info.
2258
2259 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2260
2261         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2262         (print_c_condition): Declare.
2263         * read-rtl.c (ptr_loc): New structure.
2264         (ptr_locs, ptr_loc_obstack, joined_conditions)
2265         (joined_conditions_obstack): New variables.
2266         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2267         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2268         (join_c_conditions, print_c_condition): New functions.
2269         (apply_macro_to_string): Associate the new string with the same
2270         source location as the old one.
2271         (add_condition_to_string): Use join_c_conditions.
2272         (read_string): Use set_rtx_ptr_loc to record a filename and line
2273         number for the string.
2274         (read_rtx): Initialize the new variables above.
2275         * genattrtab.c (write_test_expr, write_attr_value): Use
2276         print_c_condition.
2277         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2278         comment above the GCC_VERSION check.
2279         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2280         Inline the definition of MAYBE_EVAL.
2281         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2282         * genoutput.c (process_template): Likewise.
2283         * genpreds.c (write_predicate_subfunction): Likewise.
2284         (write_predicate_expr): Use print_c_condition.
2285         * genrecog.c (write_cond): Likewise.
2286         * gensupport.c (process_rtx): Use join_c_conditions to join the
2287         conditions of a define_insn_and_split.  Record a source location
2288         for the string after the "&&".
2289         (alter_test_for_insn): Use join_c_conditions.
2290
2291 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2292
2293         Revert for now:
2294         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2295         PR tree-optimization/15784
2296         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2297         and -1 - A to ~A.
2298
2299 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2300
2301         * gcc.c (option_map): Add --coverage.
2302         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2303         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2304         * config/darwin.h: Pass -lgcov for `coverage'.
2305         * doc/invoke.texi (Debugging Options): Document --coverage.
2306
2307 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2308
2309         * gcse.c (bypass_block): Use find_edge wherever possible.
2310
2311 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2312
2313         Fix PR debug/20253
2314
2315         * c-opts.c (c_common_parse_file): Call start_source_file
2316         and end_source_file at the approriate times.
2317
2318         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2319         the main file, it will be done for us now.
2320
2321 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2322
2323         * fold-const.c (fold_ternary): New.
2324         (fold): Call fold_ternary on ternary expressions.  Remove
2325         handling of ternary expressions.
2326
2327 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2328
2329         PR tree-optimization/15784
2330         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2331         and -1 - A to ~A.
2332
2333 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2334
2335         * config/rs6000/predicates.md (branch_comparison_operator):
2336         Convert from C block to conditional format.
2337
2338 2005-03-03  Jan Hubicka  <jh@suse.cz>
2339
2340         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2341         and non-constant public variables.
2342
2343 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2344
2345         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2346         with LABEL_EXPR.
2347
2348         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2349         EDGE_I.
2350
2351         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2352         calls to release_ssa_name and release_phi_node.
2353
2354         * fold-const.c (fold): Remove handling of unary expressions.
2355
2356         * fold-const.c (fold_unary): Avoid directly using the original
2357         expression t as much as possible.
2358
2359 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2360             Andrew Pinski  <pinskia@physics.uc.edu>
2361
2362         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2363         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2364
2365 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2366
2367         Describe special registers SRP and MOF as allocatable registers.
2368         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2369         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2370         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2371         TARGET_HAS_MUL_INSNS.
2372         (cris_print_operand) <case 'd'>: New case.
2373         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2374         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2375         define.
2376         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2377         (REG_ALLOC_ORDER): Update for MOF.
2378         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2379         SPECIAL_REGS.
2380         (GENERAL_REGS): No longer a define of ALL_REGS.
2381         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2382         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2383         Adjust accordingly.
2384         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2385         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2386         (SECONDARY_RELOAD_CLASS): Define.
2387         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2388         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2389         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2390         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2391         (REGISTER_MOVE_COST): Define.
2392         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2393         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2394         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2395         (CRIS_MOF_REGNUM): New define_constants.
2396         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2397         special registers.
2398         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2399         New patterns.
2400         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2401         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2402         Adjust for MOF being properly described as a register.
2403         (indir_to_reg_split): Name this split.  Conditionalize on the
2404         destination register being a general register.
2405         (movei): Conditionalize on on operands 0 and 1 having the same
2406         register class.
2407
2408 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2409
2410         PR target/20277
2411         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2412         -mcpu to override any other explicitly given flags.
2413
2414 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2415
2416         * recog.c (verify_changes, confirm_change_group): New functions,
2417         broken out of apply_change_group.
2418         (apply_change_group): Use them.
2419         * recog.h (verify_change, confirm_change_group): Declare.
2420         * rtl.h (redirect_jump_2): Declare.
2421         * jump.c (redirect_exp, invert_exp): Delete.
2422         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2423         (redirect_jump_2): New function, broken out of redirect_jump.
2424         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2425         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2426         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2427
2428 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2429
2430         * varasm.c (named_section): Use xstrdup rather than doing it by
2431         hand.
2432
2433         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2434
2435 2005-03-02  Devang Patel  <dpatel@apple.com>
2436
2437         Undo PR tree-optimization/18815 fix.
2438
2439 2005-03-02  Devang Patel  <dpatel@apple.com>
2440
2441         PR tree-optimization/18815
2442         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2443         loops with zero exit edges.
2444
2445 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2446
2447         * cfg.c (connect_src, connect_dest, disconnect_src,
2448         disconnct_dest): New.
2449         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2450         redirect_edge_pred): Use the new functions.
2451
2452         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2453         free_dominance_info only when needed.
2454
2455 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2456
2457         PR target/20276
2458         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2459         (reg_or_sub_cint64_operand): Same.
2460
2461 2005-03-02  Jeff Law  <law@redhat.com>
2462
2463         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2464         CFG_ALTERED in the main DOM iteration loop.
2465
2466 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2467
2468         PR c++/19916
2469         * varasm.c (initializer_constant_valid_p): Allow conversions
2470         between OFFSET_TYPEs.  Tidy.
2471
2472 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2473
2474         * config/cris/cris.md ("return"): Remove epilogue delay list
2475         sanity check.
2476
2477 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2478
2479         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2480         for Thumb.
2481         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2482
2483 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2484
2485         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2486         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2487         config/m68k/m68k.c, config/mips/mips.h,
2488         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2489         doc/include/gcc-common.texi: Update copyright.
2490
2491         PR middle-end/18029 and PR middle-end/18030
2492         * expr.c (optimize_bitfield_assignment_op): Add a special case
2493         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2494
2495         * fold-const.c (fold_unary): New.
2496         (fold): Call fold_unary on unary expressions.
2497
2498 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2499
2500         * cgraph.h (struct cgraph_edge): Add prev_caller and
2501         prev_callee fields.
2502         (cgraph_node_remove_callees): Export.
2503         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2504         and prev_callee.
2505         (cgraph_edge_remove_callee): New function.
2506         (cgraph_edge_remove_caller): Likewise.
2507         (cgraph_remove_edge): Use.
2508         (cgraph_redirect_edge_callee): Likewise.
2509         (cgraph_node_remove_callees): New function.
2510         (cgraph_node_remove_callers): Likewise.
2511         (cgraph_remove_node): Use.
2512         * tree-optimize.c (tree_rest_of_compilation): Use
2513         cgraph_node_remove_callees instead of manual loop.
2514         * cgraphunit.c (cgraph_finalize_function): Likewise.
2515         (cgraph_expand_function): Likewise.
2516         (cgraph_remove_unreachable_nodes): Likewise.
2517
2518 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2519
2520         PR c/8927
2521         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2522         argument.
2523         * c-decl.c (undeclared_variable): Take location as argument.
2524         * c-typeck.c (build_external_ref): Likewise.
2525         * c-parser.c (c_parser_postfix_expression): Pass location of
2526         identifier to build_external_ref.
2527
2528 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2529
2530         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2531         CCEQ mode for branch_positive_comparison_operator test.
2532         * config/rs6000/predicates (branch_comparison_operator): Revert to
2533         define_predicate.
2534         (scc_comparison_operator): Same.
2535         (branch_positive_comparison_operator): Same.
2536
2537 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2538
2539         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2540         (cris_delay_slots_for_epilogue): Remove.
2541         (save_last): Move into cris_target_asm_function_epilogue.
2542         (cris_target_asm_function_epilogue): Remove tests for file being
2543         NULL.
2544         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2545         (cris_delay_slots_for_epilogue): Remove prototypes.
2546         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2547         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2548
2549 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2550
2551         * config/rs6000/predicates.md (branch_comparison_operator): Change
2552         to define_special_predicate.
2553         (scc_comparison_operator): Same.
2554         (branch_positive_comparison_operator): Same.
2555
2556 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2557
2558         * Makefile.in (tree-ssa-sink.o): New.
2559         (OBJS-common): Add tree-ssa-sink.o.
2560         * common.opt: Add -ftree-sink
2561         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2562         * timevar.def (TV_TREE_SINK): new timevar.
2563         * tree-flow.h (is_hidden_global_store): Prototype.
2564         * tree-optimize.c (init_tree_optimization_passes): Add
2565         pass_sink_code.
2566         * tree-pass.h (pass_sink_code): New.
2567         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2568         for non-obvious global store store to is_hidden_global_store, and
2569         call that new function.
2570         * tree-ssa-sink.c: New file.
2571         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2572         * doc/passes.texi: Document forward store motion.
2573         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2574         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2575         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2576         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2577
2578 2005-03-01  Per Bothner  <per@bothner.com>
2579
2580         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2581         and we have a non-zero column-number, add it to the message.
2582         Also factor out the diagnostic_kind_text.
2583
2584 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2585
2586         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2587         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2588         flow_loop_scan): Removed.
2589         (flow_loop_dump): Do not dump removed fields.
2590         (flow_loop_free): Do not free removed fields.
2591         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2592         (loop_exit_edge_p): New function.
2593         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2594         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2595         num_exits, exits_doms.
2596         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2597         LOOP_EDGES, LOOP_ALL): Removed.
2598         (flow_loop_scan): Declaration removed.
2599         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2600         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2601         flow_loops_find.
2602         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2603         (if_convert): Call flow_loops_find and flow_loops_free
2604         when calling mark_loop_exit_edges.
2605         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2606         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2607         free_dominance_info calls.
2608         * loop-init.c (flow_loops_find): Ditto.
2609         * passes.c (rest_of_handle_branch_prob): Ditto.
2610         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2611         * loop-unroll.c (analyze_insns_in_loop): Do not use
2612         EDGE_LOOP_EXIT.
2613         * predict.c (predict_loops): Do not call flow_loop_scan.
2614         Use get_loop_exit_edges.
2615         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2616         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2617         Do not use EDGE_LOOP_EXIT.
2618         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2619         to bb_with_exit_edge_p.
2620         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2621         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2622         to bb_with_exit_edge_p.
2623         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2624         EDGE_LOOP_EXIT.
2625         * tree-loop-linear.c (linear_transform_loops): Do not call
2626         flow_loop_scan.  Use loop->single_exit.
2627         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2628         (vect_analyze_loop_form): Do not call flow_loop_scan.
2629         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2630         loop->single_exit.
2631         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2632         loop->single_exit.
2633         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2634         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2635         slpeel_tree_duplicate_loop_to_edge_cfg,
2636         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2637         Use loop_preheader_edge and loop->single_exit.  Do not call
2638         flow_loop_scan.
2639
2640 2005-03-01  Nick Clifton  <nickc@redhat.com>
2641
2642         * config/arm/arm.c (thumb_find_work_register): Check all of the
2643         argument registers to see if they are free, and a couple of
2644         special cases where the last argument register but can be proved
2645         to be available during the function's prologue.
2646         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2647         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2648         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2649         register bit-mask.
2650         (thumb_compute_save_reg_mask): Likewise.  Also use
2651         thumb_find_work_register() to ensure that there is agreement about
2652         which work register is going to be used in the prologue.
2653         (thumb_output_function_prologue): Use unsigned long as the type
2654         for the register bit-mask.  Also delay pushing the link register if
2655         other high registers are going to be pushed.
2656         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2657         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2658         redundant prototypes.
2659
2660 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2661
2662         PR target/19819
2663         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2664         and after reload in REG+REG indexed addresses without REG_POINTER
2665         set in the base and not set in the index.
2666
2667 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2668
2669         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2670         Don't undefine here.
2671         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2672         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2673         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2674         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2675         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2676         Delete.
2677         * config.gcc (sh*-*-linux*): Use config/linux.h.
2678
2679 2005-02-28  Dale Johannesen  <dalej@apple.com>
2680             Stan Shebs  <shebs@apple.com>
2681
2682         Rewrite of 64-bit Darwin structure-by-value pass/return.
2683         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2684         intoffset, use_stack, named.
2685         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2686         (rs6000_darwin64_record_arg_advance_flush):  New.
2687         (rs6000_darwin64_record_arg_advance_recurse): New.
2688         (rs6000_darwin64_record_arg_flush):  New.
2689         (rs6000_darwin64_record_arg_recurse):  New.
2690         (rs6000_darwin64_record_arg):  New.
2691         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2692         (function_arg_boundary):  Handle 128-bit aligned structs.
2693         (function_arg_advance):  Rewrite darwin64 struct handling.
2694         (function_arg):  Call rs6000_darwin64_record_arg.
2695         (function_arg_partial_nregs):  Handle darwin64 structs.
2696         (rs6000_darwin64_function_value):  Remove.
2697         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2698
2699 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2700
2701         PR tree-optimization/20216
2702         * tree-chrec.c (tree_fold_factorial): Delete.
2703         (tree_fold_binomial): Change argument list to take a return type
2704         and change the type of K to unsigned int.  Rewrite to avoid explicit
2705         evaluation of factorials, and (recursively) calling fold to perform
2706         compile-time arithmetic.  Return NULL on (internal) overflow.
2707         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2708         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2709         if any intermediate calculation overflows.
2710         (chrec_apply): Update call to chrec_evaluate.
2711
2712 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2713
2714         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2715
2716 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2717
2718         PR c/20245
2719         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2720         instead of NULL_TREE on error.
2721
2722 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2723
2724         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2725         (EASY_VECTOR_15_ADD_SELF): Remove.
2726         (num_insns_constant_wide): Not static.
2727         (validate_condition_mode): Not static.
2728         (toc_relative_expr_p): Not static.
2729         (legitimate_indirect_address_p): Not static.
2730         (macho_lo_sum_memory_operand): Not static.
2731         (invalid_e500_subreg): Not static.
2732         (easy_vector_same): Not static.
2733         (easy_vector_splat_const): Not static.
2734         (RS6000_SYMBOL_REF_TLS_P): Remove.
2735         (any_operand): Delete.
2736         (any_parallel_operand): Delete.
2737         (count_register_operand): Delete.
2738         (altivec_register_operand): Delete.
2739         (xer_operand): Delete.
2740         (s8bit_cint_operand): Delete.
2741         (short_cint_operand): Delete.
2742         (u_short_cint_operand): Delete.
2743         (non_short_cint_operand): Delete.
2744         (exact_log2_cint_operand): Delete.
2745         (gpc_reg_operand): Delete.
2746         (cc_reg_operand): Delete.
2747         (cc_reg_not_cr0_operand): Delete.
2748         (reg_or_short_operand): Delete.
2749         (reg_or_neg_short_operand): Delete.
2750         (reg_or_aligned_short_operand): Delete.
2751         (reg_or_u_short_operand): Delete.
2752         (reg_or_cint_operand): Delete.
2753         (reg_or_arith_cint_operand): Delete.
2754         (reg_or_add_cint64_operand): Delete.
2755         (reg_or_sub_cint64_operand): Delete.
2756         (reg_or_logical_cint_operand): Delete.
2757         (got_operand): Delete.
2758         (got_no_const_operand): Delete.
2759         (easy_fp_constant): Delete.
2760         (easy_vector_constant): Delete.
2761         (easy_vector_constant_add_self): Delete.
2762         (zero_constant): Delete.
2763         (zero_fp_constant): Delete.
2764         (volatile_mem_operand): Delete.
2765         (offsettable_mem_operand): Delete.
2766         (mem_or_easy_const_operand): Delete.
2767         (add_operand): Delete.
2768         (non_add_cint_operand): Delete.
2769         (logical_operand): Delete.
2770         (non_logical_cint_operand): Delete.
2771         (mask_operand): Delete.
2772         (mask_operand_wrap): Delete.
2773         (mask64_operand): Delete.
2774         (mask64_2_operand): Delete.
2775         (and64_operand): Delete.
2776         (and64_2_operand): Delete.
2777         (and_operand): Delete.
2778         (reg_or_mem_operand): Delete.
2779         (lwa_operand): Delete.
2780         (symbol_ref_operand): Delete.
2781         (call_operand): Delete.
2782         (current_file_function_operand): Delete.
2783         (input_operand): Delete.
2784         (rs6000_nonimmediate_operand): Delete.
2785         (rs6000_tls_symbol_ref): Delete.
2786         (save_world_operation): Delete.
2787         (restore_world_operation): Delete.
2788         (load_multiple_operation): Delete.
2789         (store_multiple_operation): Delete.
2790         (vrsave_operation): Delete.
2791         (mfcr_operation): Delete.
2792         (mtcrf_operation): Delete.
2793         (lmw_operation): Delete.
2794         (stmw_operation): Delete.
2795         (branch_comparison_operator): Delete.
2796         (branch_positive_comparison_operator): Delete.
2797         (scc_comparison_operator): Delete.
2798         (trap_comparison_operator): Delete.
2799         (boolean_operator): Delete.
2800         (boolean_or_operator): Delete.
2801         (min_max_operator): Delete.
2802         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2803         (EASY_VECTOR_15): Moved to here.
2804         (EASY_VECTOR_15_ADD_SELF): Move to here.
2805         (PREDICATE_CODES): Delete.
2806         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2807         Declare functions no longer static.
2808         * config/rs6000/predicates.md: New.
2809         * config/rs6000/rs6000.md: Include predicates.md
2810
2811 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2812
2813         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2814         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2815         REG_ALWAYS_RETURN.
2816         * cfgrtl.c (need_fake_edge_p): Likewise.
2817         * combine.c (distribute_notes): Likewise.
2818         * emit-rtl.c (try_split): Likewise.
2819         * recog.c (peephole2_opimize): Likewise.
2820         * reg-notes.def (ALWAYS_RETURN): Remove.
2821         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2822         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2823         * tree.h (ECF_ALWAYS_RETURN): Remove.
2824
2825 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2826
2827         PR middle-end/19874
2828         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2829         between different machine modes is never a "useless" conversion.
2830
2831 2005-02-28  Geert Bosch  <bosch@gnat.com>
2832
2833         PR ada/15977
2834         * doc/contrib.texi: List contributors for Ada front end
2835
2836 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2837
2838         * simplify-rtx.c (simplify_unary_operation_1,
2839         simplify_const_unary_operation): New, extracted from...
2840         (simplify_unary_operation): ... this one.
2841         (simplify_binary_operation_1,
2842         simplify_const_binary_operation): New, extracted from...
2843         (simplify_binary_operation): ... this one.
2844         * rtl.h (simplify_const_unary_operation,
2845         simplify_const_binary_operation): Add prototypes.
2846
2847 2005-02-28  Julian Brown  <julian@codesourcery.com>
2848
2849         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2850         building libjava and caused PR regression/20228.
2851
2852 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2853
2854         PR bootstrap/17383
2855         * Makefile.in (host_subdir): New.
2856         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2857         * configure: Regenerate.
2858
2859 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2860
2861         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2862         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2863         installation directory first.
2864
2865 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2866
2867         PR target/19065.
2868         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2869         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2870         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2871         * config/cris/cris.md: Tweak comments referring to Q.
2872         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2873         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2874         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2875         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2876         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2877         Insert spaces in constraints to align alternatives vertically for
2878         readability.
2879         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2880         operand 1: "M".
2881
2882 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2883
2884         PR rtl-optimization/17728
2885         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2886         operand 0 from general_operand to move_dest_operand.
2887
2888 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2889
2890         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2891         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2892         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2893         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2894
2895 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2896
2897         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2898         * configure: Regenerate.
2899         * libada-mk.in: Remove CC; rename
2900         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2901
2902 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2903
2904         PR tree-opt/20188
2905         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2906         for the lhs, also walk over the tree.  Likewise for rhs.
2907
2908 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2909
2910         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2911         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2912         Do not propagate value of iv before increment over the increment.
2913
2914 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2915
2916         * c-parser.c: New file.
2917         * c-parse.in: Remove.
2918         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2919         Remove.
2920         (c-parser.o): Add dependencies.
2921         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2922         maintainer-clean, TAGS): Update.
2923         * c-config-lang.in (gtfiles): Update.
2924         * gengtype-lex.l: Don't handle "@@".
2925         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2926         objc_build_synchronized, objc_begin_try_stmt,
2927         objc_begin_catch_clause, objc_finish_catch_clause,
2928         objc_build_finally_clause, objc_finish_try_stmt): New.
2929         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2930         type_seen_p.
2931         (c_parse_init): Update comment.
2932         * c-decl.c (c_init_decl_processing): Update comment.
2933         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2934         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2935         new c_declspecs members.
2936
2937 2005-02-25  Julian Brown  <julian@codesourcery.com>
2938
2939         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2940         from being used for symbols with vague linkage when
2941         HAVE_GAS_COMDAT_GROUP is true.
2942
2943 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2944
2945         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2946
2947 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2948
2949         PR target/19930
2950         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2951         (LIBGCC2_HAS_DF_MODE): New.
2952         (LIBGCC2_HAS_XF_MODE): New.
2953         (LIBGCC2_HAS_TF_MODE): New.
2954         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2955         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2956         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2957         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2958         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2959         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2960         and add _fixtfdi, _fixunstfdi, _floatditf
2961         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2962         L_fixunstfdi, L_floatditf.
2963         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2964         (LIBGCC2_HAS_TF_MODE): Define.
2965
2966 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2967
2968         PR tree-optimization/20204
2969         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2970         REWRITE_THIS_STMT markers on PHI nodes.
2971         (rewrite_initialize_block): Likewise.
2972
2973 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2974
2975         * version.c (version_string): Update to 4.1.
2976
2977 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2978
2979         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2980         Clarify that the alternative way doesn't work in GNU C++.
2981
2982 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2983
2984         PR tree-optimization/19937
2985         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2986         to the type of the induction variable.
2987
2988 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2989
2990         PR rtl-optimization/20117
2991         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2992         the block including noncopyable insn.
2993
2994 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2995
2996         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2997         calls to find_reg_note.
2998
2999 2005-02-24  Richard Henderson  <rth@redhat.com>
3000
3001         PR tree-opt/20127
3002         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3003         the type.
3004
3005 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3006
3007         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3008         vector types if to use base reg for misaligned non-word ld/std.
3009
3010 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         PR target/14619
3013         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3014         dwarf2 label manually and put it after, not before the prologue.
3015
3016 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3017
3018         PR target/19019
3019         * reload.c (operands_match_p): Only increment register number for
3020         SCALAR_INT_MODE_P modes in multiple hard registers.
3021
3022         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3023         Fix formatting.
3024
3025 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3026
3027         * ChangeLog.5: Fix log message typo(s).
3028         * ChangeLog.7: Likewise.
3029         * ChangeLog.tree-ssa: Likewise.
3030         * cfgexpand.c: Fix comment typo(s).
3031         * conflict.c: Likewise.
3032         * defaults.h: Likewise.
3033         * dwarf2out.c: Likewise.
3034         * gcse.c: Likewise.
3035         * ggc-page.c: Likewise.
3036         * tree-eh.c: Likewise.
3037         * tree-ssa-dom.c: Likewise.
3038
3039 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3040
3041         PR target/19019
3042         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3043         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3044         if SHARED is defined.
3045
3046         PR target/20196
3047         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3048         allow splitting only if operands 0 and 3 don't overlap.
3049
3050 2005-02-24  Richard Henderson  <rth@redhat.com>
3051
3052         PR middle-end/19953
3053         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3054         (fold_builtin_1): Call them.
3055         * fold-const.c (fold_complex_mult_parts): Split out from ...
3056         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3057         (fold_complex_div_parts, fold_complex_div): New.
3058         (fold): Use them.
3059         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3060
3061 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3062
3063         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3064         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3065
3066         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3067         (print_node): Likewise.
3068         Print TYPE_SIZES_GIMPLIFIED.
3069
3070 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3071
3072         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3073         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3074         operands as commutative in constraints.
3075
3076 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3077
3078         * tree-into-ssa.c: Re-organize internal functions.
3079
3080 2005-02-24  Richard Henderson  <rth@redhat.com>
3081
3082         PR middle-end/18902
3083         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3084         for c99.
3085         * common.opt (fcx-limited-range): New.
3086         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3087         * toplev.c (flag_complex_method): Initialize to 1.
3088         (process_options): Set flag_complex_method to 0 if
3089         flag_cx_limited_range.
3090         * doc/invoke.texi (-fcx-limited-range): New.
3091
3092 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3093
3094         * cse.c (delete_trivially_dead_insns): Speed up by using
3095         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3096         prev_real_insn.
3097
3098 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3099
3100         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3101         functions when -mid-shared-library is being used.
3102
3103 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3104
3105         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3106         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3107         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3108         * system.h: Poison LINK_LIBGCC_SPECIAL.
3109
3110 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3111
3112         * gengtype.c (note_insn_name): Make 1 element larger.
3113
3114 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3115
3116         PR target/20018
3117         PR rtl-optimization/20097
3118         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3119         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3120
3121 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3122
3123         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3124         * t-aix52 (SHLIB_INSTALL): Same.
3125
3126 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3127
3128         * genpreds.c: Update copyright.
3129
3130 2005-02-23  Michael Beach  <michaelb@ieee.org>
3131
3132         PR target/20159
3133         * config/sparc/t-elf (startup files): Assemble with CPP.
3134
3135 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3136
3137         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3138         (write_predicate_expr): Likewise.
3139
3140 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3141
3142         PR tree-optimization/20100
3143         PR tree-optimization/20115
3144         * tree-optimize.c (init_tree_optimization_passes): Remove
3145         pass_maybe_create_global_var.
3146         * tree-pass.h (pass_maybe_create_global_var): Remove.
3147         * tree-ssa-alias.c (aliases_computed_p): Declare.
3148         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3149         (count_calls_and_maybe_create_global_var): Remove.
3150         (pass_maybe_create_global_var): Remove.
3151         (init_alias_info): Do not declare aliases_computed_p.
3152         (maybe_create_global_var): If the function contains no
3153         call-clobbered variables and a mix of pure/const and regular
3154         function calls, create .GLOBAL_VAR.
3155         Mark all call-clobbered variables for renaming.
3156         (merge_pointed_to_info): Update comment.
3157         (add_pointed_to_var): Likewise.
3158         (is_escape_site): Likewise.
3159         Accept struct alias_info * instead of size_t *.
3160         Update all users.
3161         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3162         as necessary.
3163         * tree-ssa-operands.c (get_call_expr_operands): If
3164         ALIASES_COMPUTED_P is false, do not add call-clobbering
3165         operands.
3166         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3167         (delete_tree_ssa): Likewise.
3168
3169 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3170
3171         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3172         (do_compile): Do call it here.
3173
3174 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3175
3176         PR rtl-optimization/20017.
3177         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3178         rest_of_handle_cse2, rest_of_handle_gcse): Call
3179         delete_dead_jumptables immediately before calling cleanup_cfg.
3180
3181 2005-02-22  Devang Patel  <dpatel@apple.com>
3182
3183         PR 19952
3184         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3185         all labels
3186
3187 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3188
3189         * config/rs6000/aix.h (WINT_TYPE): Define.
3190
3191 2005-02-22  Stan Shebs  <shebs@apple.com>
3192
3193         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3194         natural alignment for 64-bit Darwin.
3195         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3196         on 64-bit Darwin.
3197         * doc/invoke.texi: Document this.
3198
3199 2005-02-22  DJ Delorie  <dj@redhat.com>
3200
3201         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3202         to make_[un]signed_type, not the mode itself.
3203
3204 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3205
3206         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3207         not available.  Use tail calls wherever possible.
3208         (make_edge): Call unchecked_make_edge to create an edge.
3209
3210         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3211         (coalesce_ssa_name): Don't check for
3212         SSANORM_USE_COALESCE_LIST.
3213         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3214
3215 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3216
3217         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3218         (rewrite_into_ssa): ... here.
3219
3220 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3221
3222         PR tree-optimization/19786
3223         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3224         tag to another's may-alias bitmap when adding to the other's list.
3225
3226 2005-02-21  DJ Delorie  <dj@redhat.com>
3227
3228         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3229         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3230         registers in unsupported ways.
3231         * expmed.c (init_expmed): Likewise.
3232
3233 2005-02-21  Stan Cox  <scox@redhat.com>
3234
3235         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3236
3237 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3238
3239         * tree-cfg.c (fold_cond_expr_cond): New.
3240         (make_edges): Call fold_cond_expr_cond.
3241         (find_taken_edge): Accept nothing but INTEGER_CST.
3242         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3243         and 1.
3244         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3245
3246         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3247         that do not belong to any basic block.
3248
3249 2005-02-21  Jeff Law  <law@redhat.com>
3250
3251         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3252         e->dest.
3253
3254 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3255
3256         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3257         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3258         Adjust their definitions.
3259         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3260         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3261
3262         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3263         genautomata.c, langhooks.c, langhooks.h, system.h,
3264         config/arm/lib1funcs.asm: Update copyright.
3265
3266 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3267
3268         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3269
3270 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3271
3272         PR bootstrap/13770
3273         * doc/install.texi: Document --with-gc.
3274
3275 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3276
3277         * simplify-rtx.c (simplify_unary_operation): Add a missing
3278         "break" statement.
3279
3280 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3281
3282         PR tree-optimization/18663
3283         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3284         if the type has variable bounds.
3285
3286 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3287
3288         * gcse.c: Remove an obsolete comment.
3289
3290         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3291
3292 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3293
3294         * doc/extend.texi (Function Attributes) <Attribute const>: The
3295         attribute "pure" is below this text, not above.
3296
3297 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3298
3299         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3300         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3301         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3302
3303 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3304
3305         PR 18785
3306         * langhooks.h (struct lang_hooks): Add to_target_charset.
3307         * langhooks.c (lhd_to_target_charset): New function.
3308         * langhooks-def.h: Declare lhd_to_target_charset.
3309         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3310         (LANG_HOOKS_INITIALIZER): Update.
3311         * c-common.c (c_common_to_target_charset): New function.
3312         * c-common.h: Declare it.
3313         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3314         c_common_to_target_charset.
3315
3316         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3317         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3318         Delete definitions.
3319         * system.h: Poison them.
3320         * doc/tm.texi: Don't discuss them.
3321         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3322         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3323         (pp_c_char): Do not attempt to generate letter escapes for
3324         newline, tab, etc.
3325         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3326         * config/mips/mips.c (mips_output_ascii): Likewise.
3327
3328 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3329
3330         PR tree-optimization/19951
3331         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3332         is abnormal.
3333
3334 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3335
3336         PR middle-end/19698
3337         * function.h (struct function): New field `max_loop_depth'.
3338         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3339         (flow_loops_find): Reset the max loop depth count before finding loops.
3340         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3341         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3342         (calculate_global_regs_live): Make sure the loop will terminate
3343         when the initial sets are not empty.
3344
3345 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3346
3347         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3348         object inside.
3349         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3350
3351 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3352
3353         PR other/19525
3354         * doc/invoke.texi: Remove documentation of %M spec.
3355         * gcc.c: Likewise.
3356         (init_spec): Remove %M suffix from -lgcc_s.
3357         (do_spec_1): Remove 'M' case.
3358         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3359         to put shared libraries in the multilib directory.  Remove the
3360         shlib_so_soname substitution variable.  Don't add a multilib encoding
3361         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3362         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3363         SHLIB_INSTALL as well as SHLIB_LINK.
3364         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3365         (SHLIB_NAME): Delete.
3366         (SHLIB_DIR): New macro.
3367         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3368         (SHLIB_INSTALL): Adjust accordingly.
3369         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3370         * config/t-slibgcc-sld: Likewise.
3371         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3372         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3373         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3374         in $(SHLIB_DIR).
3375         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3376         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3377         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3378         Use @shlib_base_name@ instead of @shlib_so_name@.
3379         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3380         and @shlib_base_name@.so in @multilib_dir@.
3381         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3382         to the install path.
3383         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3384         (SHLIB_LINK): Remove previous workaround.
3385         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3386         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3387         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3388         the install path.
3389         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3390         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3391         (SHLIB_INSTALL): Adjust accordingly.
3392         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3393         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3394         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3395         config/t-slibgcc-elf-ver.
3396
3397 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3398             Jakub Jelinek  <jakub@redhat.com>
3399
3400         PR tree-optimization/19828
3401         * tree-ssa-loop-im.c: Add a TODO comment.
3402         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3403         without side-effects.
3404
3405 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3406
3407         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3408         call fold_convert.
3409
3410 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3411
3412         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3413         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3414         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3415         functions.
3416         (ia64_reorg): Delete fixup_errata call.
3417         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3418         (TARGET_SWITCHES): Delete -mb-step entry.
3419
3420 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3421
3422         PR c/20043
3423         * c-typeck.c (composite_type): Handle quals in transparent unions.
3424         (type_lists_compatible_p): Likewise.
3425
3426 2005-02-18  Stan Shebs  <shebs@apple.com>
3427
3428         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3429         expressions in the .literal8 section.
3430
3431 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3432
3433         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3434
3435 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3436
3437         * fold-const.c (constant_boolean_node): Always create values of the
3438         specified type, don't bother calling truthvalue_conversion.
3439
3440 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3441
3442         * except.c (output_function_exception_table): Call
3443         assemble_external_libcall (eh_personality_libfunc).
3444
3445 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3446
3447         PR target/19886
3448         * config/ia64/ia64.h (struct machine_function): Add state_num.
3449         * config/ia64/ia64.c (process_epilogue,
3450         process_for_unwind_directive): Use new unwind state numbers each
3451         time rather than state 1.
3452
3453 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3454
3455         PR target/20054
3456         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3457         before the "*llgt_didi" pattern.
3458
3459 2005-02-18  Jason Merrill  <jason@redhat.com>
3460
3461         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3462
3463 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3464
3465         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3466         (div0): Use it in place of ARM_FUNC_ALIAS.
3467         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3468
3469 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3470
3471         PR middle-end/20030
3472         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3473         access, the lower bound of the array type if it exists.
3474
3475 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3476
3477         PR c++/20008
3478         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3479         cases that are out-of-range for the index type.
3480
3481 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3482
3483         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3484         (estimate_case_costs): Don't call convert.
3485         * expmed.c (expand_shift): Likewise.
3486         (make_tree): Call fold_convert instead of convert.
3487
3488 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3489
3490         PR c++/19813
3491         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3492         that ref to be marked MEM_READONLY_P doesn't have base that needs
3493         constructing.
3494
3495 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3496
3497         * genautomata.c (output_get_cpu_unit_code_func,
3498         output_cpu_unit_reservation_p): Don't generate old-style function
3499         definitions.
3500
3501 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3502
3503         PR c++/20023
3504         PR tree-optimization/20009
3505         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3506
3507         PR tree-optimization/18947
3508         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3509         inline, remove all nodes that are inlined into the extern inline
3510         being redefined.
3511
3512 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3513
3514         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3515         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3516         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3517         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3518         Update copyright.
3519
3520 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3521
3522         PR tree-optimization/19917
3523         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3524         to be potentially trapping.
3525
3526 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3527
3528         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3529
3530 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3531
3532         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3533         tem becomes a local variable which is set to the value of the
3534         back end defined INITIAL_FRAME_ADDRESS macro.
3535         (expand_builtin_frame_address): Omit the base parameter to
3536         expand_builtin_return_addr.
3537         (expand_builtin_profile_func): Likewise.
3538         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3539         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3540         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3541
3542 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3543
3544         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3545         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3546         * config/frv/frv.c (frv_function_epilogue): Likewise.
3547
3548 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3549
3550         * lambda-code (perfect_nestify): Remove mark/unmark
3551         for rewriting hack.
3552         * tree-loop-linear.c (linear_transform_loops): Add
3553         rewrite_into_ssa call so that ssa is correct for
3554         rewriting into loop closed.
3555
3556 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3557
3558         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3559         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3560         BITMAP_FREE.
3561         * bt-load.c (btr_def_live_range, combine_btr_defs,
3562         migrate_btr_def, migrate_btr_defs): Likewise.
3563         * cfgcleanup.c (thread_jump): Likewise.
3564         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3565         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3566         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3567         df_rd_local_compute, df_reg_info_compute): Likewise.
3568         * dominance.c (init_dom_info, free_dom_info): Likewise.
3569         * flow.c (init_propagate_block_info,
3570         free_propagate_block_info): Likewise.
3571         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3572         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3573         modify_reg_pav): Likewise.
3574         * loop-invariant.c (find_defs, find_invariant_insn,
3575         find_invariants, free_inv_motion_data): Likewise.
3576         * predict.c (tree_predict_by_opcode,
3577         estimate_bb_frequencies): Likewise.
3578         * stmt.c (expand_case): Likewise.
3579         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3580         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3581         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3582         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3583         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3584         rewrite_ssa_into_ssa): Likewise.
3585         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3586         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3587         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3588         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3589         * tree-sra.c (tree_sra): Likewise.
3590         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3591         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3592         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3593         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3594         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3595         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3596         Likewise.
3597         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3598         calculate_live_on_entry, calculate_live_on_exit,
3599         build_tree_conflict_graph): Likewise.
3600         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3601         record_important_candidates, set_use_iv_cost, find_depends,
3602         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3603         tree_ssa_iv_optimize_finalize): Likewise.
3604         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3605         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3606         tree_duplicate_loop_to_header_edge): Likewise.
3607         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3608         * tree-ssa.c (verify_flow_insensitive_alias_info,
3609         verify_name_tags, verify_ssa, init_tree_ssa,
3610         delete_tree_ssa): Likewise.
3611         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3612         fini_ssanames): Likewise.
3613         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3614
3615 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3616
3617         * config/rs6000/t-rtems: Completely reworked.
3618
3619 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3620
3621         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3622
3623 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3624
3625         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3626         POINTER_TYPE_P when checking that type is a pointer.
3627         (vect_get_memtag): Remove.
3628         (vect_address_analysis): Use POINTER_TYPE_P. Call
3629         vect_object_analysis with dummy parameter for memtag.
3630         (vect_object_analysis): Extract memtag (functionality that
3631         used to be in vect_get_memtag and moved here). Fix printings.
3632         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3633         with correct parameters. Remove call to vect_get_memtag.
3634
3635 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3636
3637         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3638         (tree-vectorizer.o): Added missing dependencies.
3639
3640         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3641         decleration.
3642         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3643         declaration in tree-vectorizer.c, now has an extern declaration in
3644         tree-vectorizer.h).
3645         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3646         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3647         get_vectype_for_scalar_type, vect_is_simple_use,
3648         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3649         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3650         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3651         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3652         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3653         find_loop_location): Likewise.
3654
3655         * tree-vectorizer.c (langhooks.h): #include removed.
3656         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3657         moved to tree-vectorized.h.
3658         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3659         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3660         get_vectype_for_scalar_type, vect_is_simple_use,
3661         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3662         vect_supportable_dr_alignment, new_loop_vec_info,
3663         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3664         vect_set_verbosity_level, find_loop_location): Likewise.
3665
3666         (vect_analyze_loop): Function externalized. Declaration moved to
3667         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3668         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3669         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3670         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3671         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3672         vect_enhance_data_refs_alignment, vect_analyze_operations,
3673         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3674         vect_stmt_relevant_p, vect_get_loop_niters,
3675         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3676         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3677         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3678         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3679         vect_get_memtag): Likewise.
3680
3681         (vectorizable_load): Function externalized. Declaration moved to
3682         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3683         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3684         vect_transform_loop): Likewise.
3685         (vect_transform_stmt): Moved to tree-vect-transform.c.
3686         (vect_align_data_ref, vect_create_destination_var,
3687         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3688         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3689         vect_get_vec_def_for_operand, vect_init_vector,
3690         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3691         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3692         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3693         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3694         vect_do_peeling_for_loop_bound): Likewise.
3695
3696         * tree-vect-analyze.c: New file.
3697         * tree-vect-transform.c: New file.
3698
3699 2005-02-17  Jason Merrill  <jason@redhat.com>
3700
3701         PR mudflap/19319, c++/19317
3702         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3703         slot explicit.
3704
3705 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3706
3707         * doc/install.texi (Specific): Update link for Darwin-specific
3708         tool binary site.
3709
3710 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3711
3712         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3713         constant_boolean_node.
3714
3715 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3716
3717         PR target/19019
3718         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3719         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3720
3721 2005-02-16  Richard Henderson  <rth@redhat.com>
3722
3723         PR 19920
3724         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3725         with W_TYPE_SIZE.
3726         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3727         replace uses with Wtype_MAXp1_F.
3728         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3729         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3730         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3731         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3732         and HAVE_TFMODE as appropriate.
3733         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3734         (__floatdisf): Likewise.
3735         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3736         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3737         (Wtype_MAXp1_F): New.
3738         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3739         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3740
3741 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3742
3743         * PR target/19162
3744         * arm.c (arm_apply_result_size): New function.
3745         * arm.h (APPLY_RESULT_SIZE): Define.
3746         * arm-protos.h (arm_apply_result_size): Add prototype.
3747         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3748         (movxf): New expand.
3749         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3750         (call_value_symbol): Remove predicate for operand 0.
3751         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3752         (untyped_call): Rework to correclty return values for any type.
3753         (untyped_return): New expand.
3754         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3755
3756 2005-02-16  Stan Shebs  <shebs@apple.com>
3757
3758         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3759         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3760
3761 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3762
3763         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3764         configure settings on Solaris 7 and later.
3765
3766 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3767
3768         PR tree-optimization/19865
3769         * tree-optimize.c (init_tree_optimization_passes): Run
3770         pass_may_alias after pass_sra.
3771
3772 2005-02-16  Richard Henderson  <rth@redhat.com>
3773             Stuart Hastings  <stuart@apple.com>
3774
3775         PR debug/19521
3776         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3777         Do nothing if debug info suppressed for this function.
3778         (dbxout_begin_function): Early exit if debug info suppressed for
3779         this function.
3780
3781 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3782
3783         PR target/20007
3784         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3785         find_basic_blocks.
3786         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3787
3788         PR tree-optimization/19967
3789         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3790         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3791         argument TYPE.  Adjust calls to fold_builtin_XXX.
3792         (expand_builtin, fold_builtin_1): Adjust calls to
3793         expand_builtin_XXX.
3794         (fold_builtin_strchr, fold_builtin_strpbrk,
3795         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3796         result to a requested type TYPE.
3797
3798 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3799
3800         PR middle-end/19857
3801         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3802         (T)x & (T)cst if (T)cst overflows.
3803         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3804         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3805
3806 2005-02-15  Jeff Law  <law@redhat.com>
3807
3808         * gcse.c (blocks_with_calls): New bitmap.
3809         (alloc_gcse_mem): Allocate it.
3810         (free_gcse_mem): Free it.
3811         (clear_modifY_mem_tables): Clear it.
3812         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3813         when we encounter CALL_INSNs.
3814         (compute_transp, case MEM): Handle blocks with calls separate
3815         from blocks without calls.  Use bitmap iterators rather than
3816         FOR_EACH_BB.
3817
3818 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3819
3820         PR bootstrap/18810
3821         * mklibgcc.in (vis_hide): Use a temporary object file, not
3822         -o /dev/null.
3823
3824 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3825
3826         PR target/19924
3827         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3828         access optimization.
3829
3830 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3831             Alan Modra  <amodra@bigpond.net.au>
3832
3833         PR target/19019
3834         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3835         (_xlqsub): Rename to __gcc_qsub.
3836         (_xlqmul): Rename to __gcc_qmul.
3837         (_xlqdiv): Rename to __gcc_qdiv.
3838         Provide versioned symbol aliases with old names.
3839         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3840         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3841         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3842         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3843         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3844
3845 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3846
3847         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3848         Fold ~(A - 1) and ~(A + -1) to -A.
3849
3850 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3851
3852         PR pch/14940
3853         PR target/19300
3854         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3855         config/pa/pa-host.c:pa_gt_pch_use_address.
3856
3857 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3858
3859         * tree-vn.c (get_value_handle): Make sure that given an
3860         is_gimple_min_invariant expression, we always return it.
3861
3862 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3863
3864         * passes.c (rest_of_handle_gcse): Fix a comment.
3865
3866 2005-02-15  Jeff Law  <law@redhat.com>
3867
3868         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3869         bitmap.
3870         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3871         (canon_list_insert, record_last_mem_set_info): Similarly.
3872         (clear_modify_mem_tables): Similarly.
3873
3874 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3875
3876         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3877         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3878         config/mips/mips.md, config/rs6000/aix.h,
3879         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3880
3881 2005-02-15  Richard Henderson  <rth@redhat.com>
3882
3883         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3884         call to be best_edge.
3885
3886 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3887
3888         * basic-block.h: Adjust the prototype for find_basic_blocks.
3889         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3890         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3891         find_basic_blocks.
3892
3893         * flow.c (recompute_reg_usage): Remove all arguments.
3894         * passes.c (rest_of_compilation): Adjust the call to
3895         recompute_reg_usage.
3896         * rtl.h: Adjust the prototype for recompute_reg_usage.
3897
3898 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3899
3900         * tree-dump.c (dump_files): Update to reflect new member
3901         of dump_file_info.
3902         (dump_register): Add new argument.
3903         Set glob name.
3904         (dump_switch_p_1): Check against glob name if doglob was passed.
3905         (dump_switch_p): Check against regular first, then glob if
3906         we didn't have any hits on the dump name.
3907         * tree-optimize.c (register_one_dump_file):
3908         Pass in glob name as well.
3909         * tree-pass.h (struct dump_file_info): Add glob
3910         member.
3911
3912 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3913
3914         PR preprocessor/16323
3915         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3916
3917 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3918
3919         PR target/19019
3920         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3921         (trunctfdf2_internal1): New.
3922         (trunctfdf2_internal2): Renamed from trunctfdf2.
3923
3924 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3925
3926         PR tree-optimization/19853
3927         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3928
3929 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3930
3931         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3932         delete_dead_jumptables and cleanup_cfg.
3933
3934 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3935
3936         * reload.c (find_reloads): Swap address_reloaded flags when
3937         swapping commutative operands.
3938
3939 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3940
3941         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3942         Use standard_iv_increment_position for computing the bsi position
3943         for create_iv.
3944         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3945         the bsi position.
3946
3947 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3948
3949         PR target/17428
3950         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3951         life range of hard registers.
3952         * value-prof.c (insn_prefetch_values_to_profile): Only
3953         scan normal insns.
3954
3955         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3956         profile in libcalls.
3957
3958 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3959
3960         * bitmap.h (bitmap_and_compl_into): Return bool.
3961         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3962
3963 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3964
3965         PR tree-optimization/19944
3966         * fold-const.c (fold): Re-add ABS_EXPR folding.
3967
3968 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3969
3970         PR target/19019
3971         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3972         {TARGET,MASK}_XL_COMPAT.
3973         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3974         MASK_XL_COMPAT.
3975         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3976         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3977         TARGET_XL_COMPAT.
3978         (rs6000_arg_partial_bytes): Same.
3979         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3980         and XL compatibility enabled.
3981         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3982         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3983         test to final condition.
3984         (cmptf_internal2): New.
3985         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3986         xl-compat.  Add TFmode information to description.
3987
3988 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3989
3990         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3991
3992 2005-02-13  Jason Merrill  <jason@redhat.com>
3993
3994         PR c++/16405
3995         * fold-const.c (fold_indirect_ref_1): Split out from...
3996         (build_fold_indirect_ref): Here.
3997         (fold_indirect_ref): New fn.
3998         * tree.h: Declare it.
3999         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4000         (gimplify_modify_expr_rhs): Likewise.
4001         (gimplify_expr): Likewise.
4002
4003 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4004
4005         PR tree-optimization/14303
4006         PR tree-optimization/15784
4007         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4008         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4009         ABS_EXPR<x> != 0 to x != 0.
4010
4011 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4012
4013         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4014         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4015         spelling conventions.
4016
4017         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4018         delete_trivially_dead_insns too many times.
4019
4020         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4021         tem and tem2.
4022
4023 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4024
4025         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4026         (vect_is_simple_iv_evolution): Remove redundant parameter
4027         and step check.
4028         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4029         without last parameter.
4030         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4031         Return pointer step. Call vect_is_simple_iv_evolution without
4032         last parameter. Check only that the step is multiple of size
4033         type. Remove stmt_vinfo updates.
4034         (vect_get_memtag_and_dr): Remove.
4035         (vect_get_memtag): New function.
4036         (vect_address_analysis): New function.
4037         (vect_object_analysis): New function.
4038         (vect_analyze_data_refs): Call vect_object_analysis and
4039         vect_get_memtag. Update stmt_vinfo fields.
4040
4041 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4042
4043         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4044         exist and are objects. Remove checks for pointer.
4045         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4046         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4047         (vect_create_data_ref_ptr): Likewise.
4048         (vect_base_addr_differ_p): New function.
4049         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4050         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4051         Don't set the DR_BASE_NAME field of data-ref.
4052         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4053
4054 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4055
4056         * optabs.h (enum optab_index): Add new OTI_ldexp.
4057         (ldexp_optab): Define corresponding macro.
4058         * optabs.c (init_optabs): Initialize ldexp_optab.
4059         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4060         patterns.
4061         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4062         using ldexp_optab.
4063         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4064         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4065
4066         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4067         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4068         intrinsics.
4069
4070 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4071
4072         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4073         to base_address.
4074         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4075         stmt_vec_info.
4076         (vect_get_base_and_offset): Always return an address.
4077         (vect_create_addr_base_for_vector_ref): Remove treatment for
4078         different data reference types.
4079         (vect_compute_data_ref_alignment): Rename base to base_address in
4080         stmt_vec_info. Get the object in order to force its alignment.
4081         (vect_get_memtag_and_dr): Rename base to base_address in
4082         stmt_vec_info. Extract the object for memtag analysis.
4083
4084 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4085
4086         PR regression/19898.
4087         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4088         changes cc_status, use apply modified_in_p to part of cc_status
4089         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4090         body.
4091
4092 2005-02-11  Richard Henderson  <rth@redhat.com>
4093
4094         * tree-complex.c (expand_complex_libcall): New.
4095         (expand_complex_multiplication): Use it for c99 compliance.
4096         (expand_complex_division): Likewise.
4097         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4098         (fold): Call them.
4099         * builtins.c (built_in_names): Remove const.
4100         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4101         builtins.
4102         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4103         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4104         (built_in_names): Remove const.
4105         * c-common.c (c_common_type_for_mode): Handle complex modes.
4106         * flags.h, toplev.c (flag_complex_method): Rename from
4107         flag_complex_divide_method.
4108         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4109         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4110         * libgcc2.h: Declare them.
4111         * libgcc-std.ver: Export them.
4112         * mklibgcc.in (lib2funcs): Build them.
4113
4114 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4115
4116         PR tree-optimization/19876
4117         Partially revert my change from 2005-01-14
4118         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4119         (compute_antic): ...and remove the loop here.
4120
4121 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4122
4123         PR middle-end/19858
4124         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4125         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4126
4127         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4128         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4129
4130 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4131
4132         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4133         offsets for the big-endian 32-bit case.
4134
4135 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4136
4137         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4138
4139 2005-02-11  Dale Johannesen  <dalej@apple.com>
4140
4141         * cselib.c (cselib_process_insn):  Clear out regs where
4142         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4143         * reload.c (find_equiv_reg): Ditto.
4144
4145 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4146
4147         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4148         with no elements.
4149
4150         * tree.c (build_function_type_list): Work correctly if there are
4151         no arguments.
4152
4153 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4154
4155         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4156         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4157         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4158         TARGET_ZARCH instead of TARGET_64BIT.
4159
4160 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4161
4162         * config/rs6000/t-rtems:
4163         (MULTILIB_OPTIONS): Remove mcpu=602.
4164         (MUTLILIB_DIRNAMES): Remove m602.
4165         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4166         Let mcpu=602 match mcpu=603.
4167         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4168
4169 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4170
4171         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4172         signal trampolines.
4173
4174 2005-02-10  David Daney  <ddaney@avtrex.com>
4175
4176         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4177         * config/i386/linux-unwind.h: Likewise.
4178         * config/ia64/linux-unwind.h: Likewise.
4179         * config/mips/linux-unwind.h: Likewise.
4180         * config/pa/linux-unwind.h: Likewise.
4181         * config/rs6000/linux-unwind.h: Likewise.
4182         * config/s390/linux-unwind.h: Likewise.
4183         * config/sh/linux-unwind.h: Likewise.
4184         * config/sparc/linux-unwind.h: Likewise.
4185
4186 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4187
4188         PR tree-optimization/17549
4189         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4190         TER to replace a DEF with its expression if the DEF and the
4191         rhs of the expression we replace into have the same root
4192         variable.
4193
4194 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4195
4196         * config/mips/mips.md: Fix the placement of the match_scratch in the
4197         lea64 peephole2.
4198
4199 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4200
4201         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4202         Fix comment typos.
4203
4204 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4205
4206         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4207         (strip_offset): Handle addresses.
4208         (add_address_candidates): Use strip_offset.
4209         (difference_cost): Reflect strip_offset change.
4210         (force_var_cost, difference_cost): Strip nops.
4211
4212 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4213
4214         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4215
4216         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4217         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4218         config/cris/cris-protos.h, config/cris/cris.c: Update
4219         copyright.
4220
4221 2005-02-10  Jeff Law  <law@redhat.com>
4222
4223         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4224         (lookup_avail_expr): Similarly.
4225
4226 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4227
4228         * builtins.c (fold_builtin_powi): New function.
4229         (fold_builtin_1): Call it.
4230
4231 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4232
4233         PR documentation/19309
4234         * doc/cpp.texi: The __GNUC__ and related predefined macros
4235         are also defined for the "standalone" cpp.
4236         Some non-GCC compilers may also define __GNUC__.
4237
4238 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4239
4240         PR c/19342
4241         * c-typeck.c (common_type): New routine.  Old common_type renamed
4242         to...
4243         (c_common_type): ...this.
4244         (build_conditional_expr, build_binary_op): Use c_common_type instead
4245         of common_type.
4246
4247 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4248
4249         * doc/md.texi: Replace @samp{length} with @code{length}.
4250
4251 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4252
4253         PR tree-optimization/18687
4254         * tree-flow.h (find_loop_niter): Declare.
4255         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4256         Try using scev even for loops with more than one exit.
4257         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4258         (struct ivopts_data): Added niters field.
4259         (struct nfe_cache_elt): New.
4260         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4261         functions.
4262         (tree_ssa_iv_optimize_init): Initialize niters cache.
4263         (determine_number_of_iterations): Removed.
4264         (find_induction_variables): Do not call determine_number_of_iterations.
4265         Access niters for single exit through niter_for_single_dom_exit.
4266         (add_iv_outer_candidates): Access niters for single exit through
4267         niter_for_single_dom_exit.
4268         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4269         number_of_iterations_cond.
4270         (iv_period): New function.
4271         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4272         (may_replace_final_value): Take data argument.  Use
4273         niter_for_single_dom_exit.
4274         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4275         (rewrite_use_compare): Pass data to may_eliminate_iv.
4276         (rewrite_use_outer): Pass data to may_replace_final_value.
4277         (free_loop_data): Clean up the niters cache.
4278         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4279         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4280         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4281         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4282         (num_ending_zeros): Moved to tree.c.
4283         * tree.h (num_ending_zeros): Declare.
4284         * tree.c (num_ending_zeros): Moved from tree.c.
4285
4286 2005-02-09  Richard Henderson  <rth@redhat.com>
4287
4288         * builtins.c (DEF_BUILTIN): Add COND argument.
4289         * tree.h (DEF_BUILTIN): Likewise.
4290         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4291         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4292         match.
4293         (DEF_BUILTIN_STUB): New.
4294         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4295         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4296         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4297         * c-common.c (DEF_BUILTIN): Add COND argument.
4298         * tree.c (local_define_builtin): New.
4299         (build_common_builtin_nodes): New.
4300
4301 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4302
4303         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4304         floating point expression ignoring the sign of the result.
4305         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4306         (fold) <MULT_EXPR>: Use it to simplify x*x.
4307         * tree.h (fold_strip_sign_ops): Prototype here.
4308         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4309         argument.  Use fold_strip_sign_ops to simplify the first argument.
4310         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4311         first argument when the second argument is an even integer
4312         constant, but only with -funsafe_math_optimizations.
4313         (fold_builtin_1): Update call to fold_builtin_copysign.
4314
4315 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4316
4317         PR middle-end/19583
4318         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4319         just check whether EH_FILTER_FAILURE falls through.
4320
4321 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4322
4323         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4324         insns return to ready list in the next turn.
4325
4326 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4327
4328         PR middle-end/19402
4329         * builtins.def: New __builtin_powi[lf].
4330         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4331         (expand_builtin_powi): New function.
4332         (expand_builtin): Dispatch to expand_builtin_powi.
4333         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4334         * libgcc2.c: Add __builtin_powi[lf] implementation.
4335         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4336         * optabs.h: Add powi_optab.
4337         * optabs.c (init_optabs): Initialize powi_optab.
4338         * doc/extend.texi: Document __builtin_powi[lf].
4339
4340 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4341
4342         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4343         exists.
4344
4345 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4346
4347         PR middle-end/19854
4348         * fold-const.c (try_move_mult_to_index): Remove redundant
4349         type argument.  Create ADDR_EXPR with correct type.
4350         (fold): Update callers of try_move_mult_to_index.  Convert
4351         result to the appropriate type.
4352
4353 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4354
4355         PR target/19597
4356         * config/avr/avr.c (default_rtx_costs): Delete.
4357         (avr_operand_rtx_cost): New function.
4358         (avr_rtx_costs): Completely rewrite.
4359
4360 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4361
4362         PR target/19806
4363         * config/cris/cris.c (in_code): New variable.
4364         (cris_output_addr_const): Now a static function, a wrapper for
4365         output_addr_const.
4366         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4367         case from old cris_output_addr_const.
4368         (cris_asm_output_label_ref): Similar for LABEL_REF.
4369         (cris_output_addr_const_extra): Similar for UNSPEC.
4370         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4371         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4372         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4373         declaration.
4374         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4375         (cris_asm_output_label_ref): Declare.
4376
4377 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4378
4379         PR preprocessor/19801
4380         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4381         filenames that changed when libcpp was moved to the toplevel.
4382
4383 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4384
4385         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4386         zero extensions of BImode operands.  Call lowpart_subreg instead
4387         of gen_lowpart_common and gen_lowpart_SUBREG.
4388
4389 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4390
4391         PR ada/19489
4392         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4393         * configure.ac: Set cc_for_cross_gnattools.
4394         * configure: Regenerate.
4395
4396 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4397
4398         PR target/19803
4399         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4400
4401 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4402
4403         PR debug/19327
4404         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4405         of nested functions.
4406
4407 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4408
4409         * doc/extend.texi: Document deprecated extensions allowing
4410         static floating-point members to have initializers and allowing
4411         floating-point literals in integral constant expressions.
4412
4413 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4414
4415         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4416         config/darwin7.h, config/mips/mips.c,
4417         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4418         Update copyright.
4419
4420         * cse.c: Update comments.
4421
4422 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4423
4424         PR middle-end/19775
4425         * builtins.c (fold_builtin_sqrt): Transform
4426         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4427         pow(x,y*0.5).
4428
4429 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4430             Dorit Naishlos  <dorit@il.ibm.com>
4431
4432         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4433         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4434         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4435         was added.
4436         * tree.h (vect_set_verbosity_level): New extern function declaration
4437         added.
4438         * tree-vectorizer.h (verbosity_levels): New enum type.
4439         * tree-vectorizer.c (vect_debug_stats): Function removed.
4440         (vect_debug_details): Likewise.
4441         (vect_verbosity_level): Global variable was defined and initialized.
4442         (vect_dump): Global variable definition.
4443         (vect_print_dump_info): New function.
4444         (vect_set_dump_settings): New function.
4445         (vect_set_verbosity_level): New function.
4446         (vectorize_loops): Add call to vect_set_dump_settings.
4447
4448         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4449         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4450         (slpeel_tree_peel_loop_to_edge): Likewise.
4451
4452         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4453         appropriate verbosity level instead of call to vect_debug_details
4454         or vect_debug_stats.
4455         (vect_get_base_and_offset):
4456         (vect_create_addr_base_for_vector_ref):
4457         (get_vectype_for_scalar_type):
4458         (vect_create_data_ref_ptr):
4459         (vect_init_vector):
4460         (vect_get_vec_def_for_operand):
4461         (vect_finish_stmt_generation):
4462         (vectorizable_assignment):
4463         (vectorizable_operation):
4464         (vectorizable_store):
4465         (vectorizable_load):
4466         (vect_transform_stmt):
4467         (vect_update_ivs_after_vectorizer):
4468         (vect_do_peeling_for_loop_bound):
4469         (vect_update_inits_of_drs):
4470         (vect_do_peeling_for_alignment):
4471         (vect_transform_loop):
4472         (vect_is_simple_use):
4473         (vect_analyze_operations):
4474         (vect_is_simple_iv_evolution):
4475         (vect_analyze_scalar_cycles):
4476         (vect_analyze_data_ref_dependence):
4477         (vect_analyze_data_ref_dependences):
4478         (vect_compute_data_ref_alignment):
4479         (vect_enhance_data_refs_alignment):
4480         (vect_analyze_data_refs_alignment):
4481         (vect_analyze_data_ref_access):
4482         (vect_analyze_data_ref_accesses):
4483         (vect_analyze_pointer_ref_access):
4484         (vect_get_memtag_and_dr):
4485         (vect_analyze_data_refs):
4486         (vect_mark_relevant):
4487         (vect_stmt_relevant_p):
4488         (vect_mark_stmts_to_be_vectorized):
4489         (vect_can_advance_ivs_p):
4490         (vect_get_loop_niters):
4491         (vect_analyze_loop_form):
4492         (vect_analyze_loop):
4493         (vectorize_loops): Likewise.
4494
4495         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
4496         (vect_update_inits_of_drs):
4497         (vect_do_peeling_for_alignment):
4498         (vect_transform_loop):
4499         (vect_analyze_operations):
4500         (vect_analyze_scalar_cycles):
4501         (vect_analyze_data_ref_dependences):
4502         (vect_analyze_data_refs_alignment):
4503         (vect_analyze_data_ref_accesses):
4504         (vect_analyze_data_refs):
4505         (vect_mark_stmts_to_be_vectorized):
4506         (vect_get_loop_niters):
4507         (vect_analyze_loop_form):
4508         (vect_analyze_loop): Likewise.
4509         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
4510
4511 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
4512
4513         PR bootstrap/19796
4514         Revert:
4515         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4516         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4517         either -ffast-math or -funsafe-math-optimizations is in use.
4518
4519         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4520         * config/mips/irix-csr.c: New file.
4521         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4522         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4523         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4524         executables.
4525
4526 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
4527
4528         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
4529         redundant, incorrect definitions.
4530
4531         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
4532         expand.
4533         ("*tls_indirect_call"): New, reference hard regs directly.
4534         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
4535
4536 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4537
4538         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
4539         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
4540
4541 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4542
4543         PR rtl-optimization/19800
4544         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
4545         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
4546         gen_lowpart.
4547
4548 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4549
4550         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
4551
4552 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
4553
4554         PR other/17135
4555         * doc/invoke.texi: Correct documentation of -freorder-functions.
4556
4557 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4558
4559         PR other/14402
4560         * doc/invoke.texi: Don't mention gccbug.
4561
4562 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4563             Andrew Pinski  <pinskia@physics.uc.edu>
4564             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
4565
4566         * simplify-rtx.c (simplify_relational_operation_1): Simplify
4567         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
4568         into just (zero_extract:SI FOO (const_int 1) BAR).
4569
4570 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4571
4572         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
4573         macro locally.  Don't give last revision date.  Use GCC version
4574         number from gcc-common.texi.
4575         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
4576         revision date.  Use GCC version number from gcc-common.texi.
4577         Describe being a library as current state rather than as 3.x
4578         history.
4579         * doc/gcc.texi: Remove last update date.
4580         * doc/gccint.texi: Likewise.  Update copyright dates.
4581         * doc/install.texi: Update copyright dates.
4582
4583 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4584
4585         PR other/7549
4586         * doc/invoke.texi: Mention for each option included in -Wall that
4587         it is included in -Wall.
4588         * doc/gcc.texi: Update copyright and last modification date.
4589
4590 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4591
4592         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
4593         unnecessary cast to original induction variable increments.
4594
4595 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4596
4597         PR tree-optimization/18219
4598         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
4599         in distributed form.
4600
4601 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
4602
4603         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
4604         Set bitpos and offset later in the function.  Do nothing if the
4605         target is a register and if the bitfield lies completely outside
4606         that register.
4607         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
4608         here.  Return an uninitialised register if the source value is stored
4609         in a register and the bitfield lies completely outside that register.
4610
4611 2005-02-06  Steven Bosscher  <stevenb@suse.de>
4612
4613         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
4614         not SET_DEST.
4615
4616 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
4617
4618         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
4619
4620 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
4621
4622         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
4623         * config/darwin8.h: New.
4624         * config/darwin7.h: Update comment.
4625
4626 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4627             Dorit Naishlos  <dorit@il.ibm.com>
4628
4629         * tree-vectorizer.h (LOC): New type.
4630         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
4631         (loop_line_number): New field in struct _loop_vec_info.
4632         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
4633
4634         * tree-vectorizer.c (input.h): Included.
4635         (find_loop_location): New function.
4636         (vect_debug_stats): Argument changed from loop to LOC. Computation of
4637         loop line number removed.
4638         (vect_debug_details): Likewise.
4639         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
4640
4641         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
4642         call to vect_debug_details/stats changed from loop to loop_loc.
4643         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4644         (slpeel_tree_peel_loop_to_edge): Likewise.
4645
4646         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
4647         changed from NULL to UNKNOWN_LOC.
4648         (vect_get_base_and_offset):
4649         (vect_create_addr_base_for_vector_ref):
4650         (get_vectype_for_scalar_type):
4651         (vect_create_data_ref_ptr):
4652         (vect_init_vector):
4653         (vect_get_vec_def_for_operand):
4654         (vect_finish_stmt_generation):
4655         (vectorizable_assignment):
4656         (vectorizable_operation):
4657         (vectorizable_store):
4658         (vectorizable_load):
4659         (vect_transform_stmt):
4660         (vect_update_ivs_after_vectorizer):
4661         (vect_do_peeling_for_loop_bound):
4662         (vect_do_peeling_for_alignment):
4663         (vect_transform_loop):
4664         (vect_is_simple_use):
4665         (vect_analyze_operations):
4666         (vect_is_simple_iv_evolution):
4667         (vect_analyze_scalar_cycles):
4668         (vect_analyze_data_ref_dependences):
4669         (vect_compute_data_ref_alignment):
4670         (vect_enhance_data_refs_alignment):
4671         (vect_analyze_data_ref_access):
4672         (vect_analyze_data_ref_accesses):
4673         (vect_analyze_pointer_ref_access):
4674         (vect_get_memtag_and_dr):
4675         (vect_analyze_data_refs):
4676         (vect_mark_relevant):
4677         (vect_stmt_relevant_p):
4678         (vect_mark_stmts_to_be_vectorized):
4679         (vect_can_advance_ivs_p):
4680         (vect_get_loop_niters):
4681         (vect_analyze_loop):
4682         (vectorize_loops): Likewise.
4683
4684         (vectorizable_load): Argument in call to vect_debug_details/stats
4685         changed from loop to LOOP_LOC (loop_vinfo).
4686         (vect_transform_loop):
4687         (vect_analyze_operations):
4688         (vect_analyze_scalar_cycles):
4689         (vect_analyze_data_ref_dependence):
4690         (vect_enhance_data_refs_alignment):
4691         (vect_analyze_data_ref_accesses):
4692         (vect_analyze_pointer_ref_access):
4693         (vect_analyze_data_refs):
4694         (vect_analyze_loop): Likewise.
4695
4696         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
4697         changed from loop to loop_loc.
4698
4699         (vect_enhance_data_refs_alignment): Removed unused variable loop.
4700
4701 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4702             Dorit Naishlos  <dorit@il.ibm.com>
4703
4704         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
4705         declaration added.
4706         (vect_analyze_data_ref_dependences): Likewise.
4707
4708         (vect_is_simple_use): Argument changed from loop structure to
4709         loop_vect_info structure.
4710         (vect_can_advance_ivs_p): Likewise.
4711         (vect_create_index_for_vector_ref): Likewise.
4712         (vect_update_ivs_after_vectorizer): Likewise.
4713         (new_stmt_vec_info): Likewise.
4714
4715         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4716         changed from loop to loop_vinfo.
4717         (vect_create_data_ref_ptr): First argument in call to
4718         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4719         (vectorizable_assignment): Second argument in call to vect_is_simple_use
4720         was changed from loop to loop_vinfo.
4721         (vectorizable_operation): Likewise.
4722         (vectorizable_store): Likewise.
4723         (vect_mark_stmts_to_be_vectorized): Likewise.
4724         (vect_do_peeling_for_loop_bound): First argument in call to
4725         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4726         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4727         was changed from loop to loop_vinfo.
4728         (vect_analyze_data_ref_dependences): Third argument in call to
4729         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4730
4731         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4732         (vect_create_data_ref_ptr): Likewise.
4733         (vect_init_vector): Likewise.
4734         (vect_get_vec_def_for_operand): Likewise.
4735         (vectorizable_assignment): Likewise.
4736         (vectorizable_operation): Likewise.
4737         (vectorizable_store): Likewise.
4738         (vectorizable_load): Likewise.
4739         (vect_update_ivs_after_vectorizer): Likewise.
4740         (vect_is_simple_use): Likewise.
4741         (vect_analyze_data_ref_dependence): Likewise.
4742         (vect_analyze_pointer_ref_access): Likewise.
4743         (vect_can_advance_ivs_p): Likewise.
4744
4745         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4746         before _stmt_vec_info.
4747         (_stmt_vec_info): Loop field replaced by loop_vec_info.
4748         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4749         (new_stmt_vec_info): Argument changed from loop structure to
4750         loop_vect_info structure
4751
4752         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4753         (vect_analyze_offset_expr): Avoid 80 columns overflow.
4754         (vect_create_addr_base_for_vector_ref): Likewise.
4755         (vect_analyze_pointer_ref_access): Likewise.
4756
4757 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4758
4759         PR tree-opt/19768
4760         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4761         phi flag if the phi is abnormal.
4762
4763 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4764
4765         PR tree-opt/19736
4766         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4767         information for the new statement.
4768
4769 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4770
4771         PR driver/19117
4772         * gcc.c (main): Include the target in -v output.
4773
4774 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
4775
4776         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4777         Do not drop the extend if we'd have to add a paradoxical subreg
4778         later.  Include optabs.h and insn-codes.h.
4779         * Makefile.in (combine.o): Depend on $(OPTABS_H).
4780
4781 2005-02-02  Roger Sayle  <roger@eyesopen.com>
4782
4783         PR middle-end/19405
4784         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4785         * fold-const.c (const_binop): Avoid constant folding floating
4786         point operations in modes that use composite representations.
4787         * simplify-rtx.c (simplify_binary_operation): Likewise.
4788
4789 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
4790
4791         * config/rs6000/altivec.md (altivec_dst): Make the first operand
4792         a REG, not a MEM.
4793         (altivec_dstt): Likewise.
4794         (altivec_dstst): Likewise.
4795         (altivec_dststt): Likewise.
4796         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4797         of first operand.
4798
4799 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4800
4801         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4802         EXPR_LOCUS from orig_cond to the new cond_stmt.
4803         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4804         the new vec_stmt.
4805
4806 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4807
4808         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4809         standard_iv_increment_position. Remove call to bsi_next
4810         (no need to bump the iterator anymore).
4811         (vect_create_index_for_vector_ref): Call
4812         standard_iv_increment_position. Remove second function argument.
4813         (vect_finish_stmt_generation): Remove call to bsi_next
4814         (no need to bump the iterator anymore).
4815         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4816         to vect_create_index_for_vector_ref.
4817
4818 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4819
4820         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4821         phis are used out of the loop.
4822
4823 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4824
4825         PR c/17807
4826         * c-decl.c (undef_nested_function): New variable.
4827         (pop_scope): Diagnose undefined nested functions.
4828         (finish_function): Don't attempt cgraph processing or genericizing
4829         if current top-level function contained an undefined nested
4830         function.  Reset undef_nested_function at the end of a top-level
4831         function.
4832
4833 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
4834
4835         * tree.c (build_int_cst_type): Take sign of the value into account
4836         when deciding whether sign extend the value.
4837
4838 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4839
4840         PR c/18502
4841         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4842         (cpp_options, cc1_options): Change %{std*&ansi} to
4843         %{std*&ansi&trigraphs}.
4844
4845 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4846
4847         * cse.c: Update comments.
4848
4849 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
4850
4851         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4852         arguments go on the stack.  Do not put complex doubles in odd/even
4853         pairs.
4854
4855 2005-02-02  Steven Bosscher  <stevenb@suse.de>
4856
4857         * doc/invoke.texi: Update the options enabled at -O1, -O2,
4858         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
4859         -ftree-pre, and -fthread-jumps.
4860
4861 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
4862
4863         PR tree-optimization/19578
4864         * tree-flow.h (modified_noreturn_calls): Declare.
4865         (noreturn_call_p): Declare.
4866         * tree-flow-inline.h (noreturn_call_p): New function.
4867         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4868         * tree-cfg.c (modified_noreturn_calls): New variable.
4869         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
4870         that contain a mid-block noreturn call.
4871         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4872
4873 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4874
4875         * df.c (df_def_record_1, df_uses_record): Don't use
4876         DF_FOR_REGALLOC.
4877         * df.h (DF_FOR_REGALLOC): Remove.
4878
4879 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4880
4881         PR c/19435
4882         * c-typeck.c (really_start_incremental_init): Reset
4883         constructor_max_index for arrays of incomplete type.
4884
4885 2005-02-02  Jeff Law  <law@redhat.com>
4886
4887         * gcse.c (struct reg_set): Store the block index where the register
4888         was set rather than the setting insn.
4889         (record_one_set, compute_transp): Corresponding changes.
4890         (pre_insert_copy_insn): Do not call replace_one_set.
4891         (replace_one_set): Remove.
4892
4893 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4894
4895         PR other/15514
4896         * doc/gcov.texi: Fix typo.
4897
4898 2005-02-01  Richard Henderson  <rth@redhat.com
4899
4900         PR target/19680
4901         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4902         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4903         type to bool.
4904         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4905         * config/i386/i386-protos.h: Update.
4906
4907 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4908
4909         PR tree-optimization/19217
4910         * tree-cfg.c (verify_expr): Use the data field to see if TP was
4911         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
4912         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4913         that it is walking a PHI node.
4914
4915 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
4916
4917         * doc/extend.texi (Nested Functions): Update.
4918
4919 2005-02-01  Richard Henderson  <rth@redhat.com>
4920
4921         PR 19696
4922         * optabs.c (expand_copysign_absneg): Export.
4923         * optabs.h (expand_copysign_absneg): Declare.
4924         * config/rs6000/rs6000.md (copysigntf3): New.
4925
4926 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4927
4928         PR tree-optimization/19633
4929         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4930         * tree-ssa-alias.c (init_alias_info): Initialize.
4931         (merge_pointed_to_info): Set.
4932         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4933         (dump_points_to_info_for): Show value of pt_null.
4934         (struct count_ptr_d): Declare.
4935         (find_ptr_dereference): Remove.
4936         (ptr_is_dereferenced_by): Remove.
4937         (count_ptr_derefs): New local function.
4938         (count_uses_and_derefs): New local function.
4939         (compute_points_to_and_addr_escape): Call it.  If the number
4940         of dereferences is greater than zero, mark the pointer as
4941         dereferenced.  If there are fewer dereferences than uses of
4942         the pointer, the pointer's value escapes.
4943
4944 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4945
4946         PR tree-optimization/19670
4947         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4948         here...
4949         (verify_use): ... set it here, instead.
4950
4951 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
4952
4953         * doc/sourcebuild.texi (Test directives): Fix formatting.
4954
4955         * doc/sourcebuild.texi (Test directives): Describe selector
4956         expressions.
4957
4958 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
4959
4960         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4961         specific 64-bit CPUs.
4962
4963 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
4964
4965         PR target/16201
4966         * arm.c (arm_eliminable_register): New function.
4967         (adjacent_mem_locations): Don't allow eliminable registers.  Use
4968         HOST_WIDE_INT for address offsets.
4969         * arm-protos.h (arm_eliminable_register): Add prototype.
4970
4971 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4972
4973         PR optimization/15242
4974         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4975         * basic-block.h (duplicate_computed_gotos): Add prototype.
4976         * bb-reorder.c (duplicate_computed_gotos): New function to
4977         duplicate sufficiently small blocks ending in a computed jump.
4978         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4979         if not optimizing for size.
4980         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4981         never do tail merging for blocks ending in a computed jump.
4982         * doc/invoke.texi: Document the max-goto-duplication-insns param.
4983
4984 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
4985
4986         Patch from Richard Sandiford <rsandifo@redhat.com>
4987         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4988         from inheriting a subreg equivalence with a non-spill register.
4989
4990         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4991
4992 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
4993
4994         * config/frv/frv.c (movcc_fp_destination_operand): New.
4995         (gpr_or_memory_operand): Fix typo in comment.
4996         (gpr_or_memory_operand_with_scratch): New.
4997         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4998         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4999         movcc_fp_destination_operand.
5000         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5001         Legitimize memory addresses using a scratch register.
5002
5003 2005-01-31  Jeff Law  <law@redhat.com>
5004
5005         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5006         bitmap a sparse bitmap instead of a simple bitmap.
5007         (mark_def_sites_initialize_block):  Corresponding changes.
5008         (ssa_mark_def_sites_initialize_block): Likewise.
5009         (ssa_mark_phi_uses): Likewise.
5010         (mark_def_site, ssa_mark_def_sites): Likewise.
5011         (mark_def_site_blocks): Likewise.
5012         (rewrite_ssa_into_ssa): Likewise.
5013
5014         * tree-ssa-dom.c (record_cond): Pass correct variable type
5015         for last argument to htab_find_slot_with_hash.
5016
5017         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5018         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5019
5020 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5021
5022         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5023         1_mmalua.
5024
5025 2005-02-01  Eric Christopher  <echristo@redhat.com>
5026
5027         * config/mips/mips.c (override_options): Warn if -mint64
5028         is used.
5029         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5030         deprecated.
5031
5032 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5033
5034         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5035         timestamp.
5036         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5037         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5038         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5039         (cached_regno): Initialize to INVALID_REGNUM.
5040         (cse_reg_info_table_size,
5041         cse_reg_info_table_first_uninitialized,
5042         cse_reg_info_timestamp): New.
5043         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5044         get_cse_reg_info.
5045         (init_cse_reg_info, get_cse_reg_info_1): New.
5046         (get_cse_reg_info): Cache the last look-up.
5047         (new_basic_block): Update the code to clear mappings from
5048         registers to cse_reg_info entries.
5049         (cse_main): Call init_cse_reg_info.
5050
5051         * cse.c (get_cse_reg_info): Update a comment.
5052
5053 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5054
5055         PR c/19333
5056         * c-decl.c (start_decl): Do not warn about arrays of elements with
5057         an incomplete type here.
5058         (grokdeclarator): Do it here by making a pedwarn an error.
5059         * c-typeck.c (push_init_level): If there were previous errors with
5060         the constructor type, do not warn about braces for initializers.
5061         (process_init_element): Likewise for excess initializer elements.
5062
5063 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5064
5065         * cse.c (delete_trivially_dead_insn): Don't iterate.
5066
5067 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5068
5069         * config/rs6000/rs6000.md (copysignsf3): New expand.
5070         (copysigndf3): Likewise.
5071
5072 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5073
5074         * recog.c (constrain_operands): Only look for earlyclobber operand
5075         conflicts if an '&' constraint was seen.
5076
5077 2005-01-31  Marc Espie <espie@openbsd.org>
5078
5079         * config.gcc: Don't include embedded systems fragment, switches default
5080         debugging format to ELF.
5081         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5082         longer pick it up there.
5083
5084 2005-01-31  Dale Johannesen  <dalej@apple.com>
5085
5086         * doc/extend.texi (nested functions): Fix linkage description.
5087         Clarify that static is not allowed.
5088
5089 2005-01-31  Dale Johannesen  <dalej@apple.com>
5090
5091         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5092         (movdf_low_di):  Make work.
5093
5094 2005-01-31  Dale Johannesen  <dalej@apple.com>
5095
5096         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5097         Make work for 64 bit.
5098
5099 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5100             Dale Johannesen  <dalej@apple.com>
5101
5102         PR middle-end/19650
5103         * fold-const.c (fold_binary_op_with_conditional_arg):
5104         Make types match original operands, before STRIP_NOPS.
5105
5106 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5107
5108         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5109         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5110         (struct gcc_sigcontext): Delete.  Merge contents to..
5111         (struct gcc_ucontext): ..here.
5112         (get_sigcontext): Delete.
5113         (get_regs): New function, like get_sigcontext but return regs ptr.
5114         64-bit version finds regs from r1 to support vdso.
5115         (ppc_linux_aux_vector): New function.
5116         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5117         and vector regs.
5118
5119 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5120
5121         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5122         sizetype.
5123         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5124         redundant fold. Fix misalignment for MINUS_EXPR.
5125         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5126         (vect_analyze_pointer_ref_access): Likewise.
5127         (vect_get_memtag_and_dr): Likewise.
5128
5129 2005-01-31  Richard Henderson  <rth@redhat.com>
5130
5131         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5132         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5133         absnegdf2_i387, absnegxf2_i387): Likewise.
5134
5135 2005-01-31  Richard Henderson  <rth@redhat.com>
5136
5137         PR 19696
5138         * optabs.c (expand_copysign_absneg): New.
5139         (expand_copysign_bit): Split out from ...
5140         (expand_copysign): ... here.  Use expand_copysign_absneg.
5141
5142 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5143
5144         PR middle-end/19697
5145         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5146         constant as the second operand and a register as the third.
5147
5148 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5149
5150         PR target/19704
5151         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5152         that dllimport'd functions do not use all call-clobbered registers
5153         to pass parameters.
5154
5155 2005-01-30  Richard Henderson  <rth@redhat.com>
5156
5157         PR 19696
5158         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5159         expand_abs_nojump and generalize.  Use operand_subword and
5160         emit_no_conflict_block.  Support large modes.
5161         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5162         back to maximum.
5163         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5164         negation to subtraction.
5165         (expand_copysign): Check that the format has signed zeros.
5166         Use operand_subword and emit_no_conflict_block.  Support large modes.
5167
5168 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5169
5170         Fix PR tree-optimization/19624
5171
5172         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5173         * tree-ssa-pre.c: Add cfgloop.h.
5174         Update comment.
5175         (pre_stats): New member, constified.
5176         (inserted_exprs): New static variable.
5177         (NECESSARY): New macro.
5178         (create_expression_by_pieces): Fold the expression, and
5179         mark it as defaulting to not necessary. Also put in
5180         inserted_exprs.
5181         (fully_constant_expression): New function.
5182         (insert_into_preds_of_block): Modify to not insert phis when we
5183         are playing with induction variables.
5184         Push phis onto the inserted_exprs vector, and mark them as not
5185         necessary by default.
5186         (insert_aux): Call fully_constant_expression on eprime.
5187         If all edges produce the same value, mark it constant.
5188         (mark_operand_necessary): New function.
5189         (remove_dead_inserted_code): New function.
5190         (init_pre): Init loop optimizer to get loop info.
5191         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5192         (execute_pre): Commit edge inserts, then remove dead code.
5193
5194 2005-01-30  Richard Henderson  <rth@redhat.com>
5195
5196         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5197         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5198
5199 2005-01-30  Richard Henderson  <rth@redhat.com>
5200
5201         PR target/19700
5202         * config/i386/i386.c (ix86_expand_copysign): New.
5203         (ix86_split_copysign_const): New.
5204         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5205         rearrange op1/nmask operands.
5206         * config/i386/i386-protos.h: Update.
5207         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5208         (copysigndf3): Likewise.
5209         (copysignsf3_const, copysigndf3_const): New.
5210         (copysignsf3_var): Rename from copysignsf3, split out splitter
5211         and fix split predicate for X constraint.
5212         (copysigndf3_var): Similarly.
5213
5214 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5215
5216         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5217         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5218         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5219
5220 2005-01-29  Richard Henderson  <rth@redhat.com>
5221
5222         PR target/19690
5223         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5224         of # and * in constraints.
5225
5226 2005-01-29  Richard Henderson  <rth@redhat.com>
5227
5228         PR middle-end/19689
5229         * expr.c (store_field): Don't strip sub-mode cast when the input
5230         data is even smaller.
5231
5232 2005-01-29  Richard Henderson  <rth@redhat.com>
5233
5234         PR middle-end/19687
5235         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5236         union being empty.
5237
5238 2005-01-29  Richard Henderson  <rth@redhat.com>
5239
5240         * combine.c (make_field_assignment): Fix argument order
5241         to gen_int_mode.
5242
5243 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5244
5245         PR tree-optimization/15791
5246         * fold-const.c (extract_array_ref): New function.
5247         (fold): Fold comparisons between &a[i] and &a[j] or
5248         semantically equivalent trees.
5249
5250 2005-01-29  Jeff Law  <law@redhat.com>
5251
5252         * gcse.c (insert_expr_in_table): Revamp handling of available
5253         and anticipatable occurrence lists to avoid unnecessary list
5254         walking.
5255         (insert_set_in_table): Similarly.
5256
5257 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5258
5259         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5260         build string type.
5261         (c_build_qualified_type): Build qualified array types with
5262         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5263         * c-decl.c (c_make_fname_decl): Build unqualified array type
5264         before qualified type.
5265         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5266         type is qualified, not just if type itself is.  Don't apply
5267         qualifiers to array type when declarator is processed.  Apply
5268         qualifiers to field type whether or not it is an array type.
5269         Don't handle array types specially for applying qualifiers to
5270         variables.
5271         * c-typeck.c (composite_type): Build unqualified element type and
5272         array type when forming composite of array types.
5273         (common_pointer_type, comptypes, comp_target_types,
5274         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5275         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5276         types.
5277         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5278         (args2) in variables a1 and a2.
5279
5280 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5281
5282         * cse.c (n_elements_made, max_elements_made): Remove.
5283         (insert): Don't touch n_elements_made.
5284         (cse_main): Don't touch n_elements_made or max_elements_made.
5285
5286 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5287
5288         PR target/15384
5289         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5290         configuration part of dp-bit.c to be lost.
5291
5292 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5293
5294         * expmed.c (expand_mult_highpart_optab): When attempting to use
5295         a non-widening multiplication in a wider mode, the operands need
5296         to be converted (zero or sign extended) to that mode.
5297
5298 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5299
5300         PR middle-end/16558
5301         PR middle-end/19583
5302         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5303         through if both operands fall through.
5304
5305 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5306
5307         * cse.c (fold_rtx) <PC>: Don't optimize.
5308
5309 2005-01-28  Jeff Law  <law@redhat.com>
5310
5311         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5312         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5313
5314 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5315
5316         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5317         cse_reg_info_used_list_end): Remove.
5318         (cse_reg_info_list, cse_reg_info_list_free): New.
5319         (get_cse_reg_info): When allocating an instance of
5320         cse_reg_info, add it to the beginning of the cse_reg_info_list
5321         list.  Remove code to maintain cse_reg_info_used_list.
5322         (new_basic_block): Reset the free list to the beginning of
5323         cse_reg_info_list.
5324
5325 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5326
5327         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5328         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5329         (frv_expand_mdpackh_builtin): New function.
5330         (frv_expand_builtin): Use it to expand __MDPACKH.
5331         * doc/extend.texi (__MDPACKH): Update documentation.
5332
5333 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5334
5335         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5336         SSE_FLOAT_MODE_P for use_sse computation.
5337
5338 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5339
5340         PR target/19663
5341         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5342
5343 2005-01-27  Richard Henderson  <rth@redhat.com>
5344
5345         * builtins.c (expand_builtin_copysign): New.
5346         (expand_builtin): Call it.
5347         * genopinit.c (optabs): Add copysign_optab.
5348         * optabs.c (init_optabs): Initialize it.
5349         (expand_copysign): New.
5350         * optabs.h (OTI_copysign, copysign_optab): New.
5351         (expand_copysign): Declare.
5352
5353         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5354         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5355
5356         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5357         (ix86_expand_fp_absneg_operator): ... here.
5358         (ix86_split_copysign): New.
5359         * config/i386/i386-protos.h: Update.
5360         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5361         (copysignsf3, copysigndf3): New.
5362
5363         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5364         (copysignsf3, ncopysignsf3): New.
5365         (copysigndf3, ncopysigndf3): New.
5366         (copysignxf3, ncopysignxf3): New.
5367         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5368
5369 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5370             Kazu Hirata  <kazu@cs.umass.edu>
5371
5372         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5373         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5374         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5375         NULL_RTX.
5376
5377 2005-01-27  Jeff Law  <law@redhat.com>
5378
5379         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5380         definitions of SSA_NAMEs which are not being rewritten.
5381         (rewrite_ssa_into_ssa): Only initialize the current definition
5382         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5383         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5384         SSA_NAMEs before returning.
5385
5386 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5387
5388         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5389         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5390         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5391         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5392         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5393
5394 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5395
5396         PR middle-end/17278
5397         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5398         higher to -O2 and higher.  Likewise for tree PRE.
5399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5400         and better.
5401
5402 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5403
5404         PR middle-end/19583
5405         * gimple-low.c (try_catch_may_fallthru): New static function.
5406         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5407         * tree-inline.c (expand_call_inline): Don't warn about reaching
5408         the end of a non-void function being inlined if the function uses
5409         a return slot.
5410
5411 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5412
5413         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5414
5415         PR c/18946
5416         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5417         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5418         (implicitly_declare): Handle error_mark_node.
5419
5420 2005-01-27  Richard Henderson  <rth@redhat.com>
5421
5422         PR tree-opt/14329
5423         * tree.h (struct tree_decl): Add debug_expr_is_from.
5424         (DECL_DEBUG_EXPR_IS_FROM): New.
5425         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5426         * dwarf2out.c (dwarf2out_var_location): Update to match.
5427         * tree-outof-ssa.c (create_temp): Likewise.
5428         * var-tracking.c (track_expr_p): Likewise.
5429         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5430         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5431         * toplev.c (default_tree_printer): Likewise.
5432
5433 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5434
5435         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5436         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5437
5438 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5439
5440         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5441         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5442         ASM_CLOBBERS): Add tree checks.
5443
5444         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5445         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5446         * c-common.def (SWITCH_STMT): Update to match.
5447         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5448         macros instead of SWITCH_EXPR ones.
5449         * c-dump.c (c_dump_tree): Likewise.
5450         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5451         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5452
5453         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5454
5455 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5456
5457         * unwind-dw2.c (execute_stack_op): Add missing cases for
5458         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5459
5460 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5461
5462         * config.gcc (Obsolete configurations): Remove 'dummy', add
5463         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5464         sparc-*-openbsd*.
5465
5466 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5467
5468         PR tree-optimization/19633
5469         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5470         CALL_EXPRs.
5471         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
5472         are no call-clobbered variables.
5473         * tree-outof-ssa.c (check_replaceable): Return false for calls
5474         with side-effects.
5475
5476 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
5477
5478         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
5479         even for variables with NULL DECL_INITIAL.
5480
5481 2005-01-26  Stuart Hastings  <stuart@apple.com>
5482
5483         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
5484
5485 2005-01-26  Richard Henderson  <rth@redhat.com>
5486
5487         PR middle-end/18008
5488         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5489         field's type.
5490         * expr.c (store_field): Strip conversions to odd-bit-sized types
5491         if the destination field width matches.
5492
5493 2005-01-26  Richard Henderson  <rth@redhat.com>
5494
5495         * c-decl.c, expmed.c, expr.c: Revert last change.
5496
5497 2005-01-26  Richard Henderson  <rth@redhat.com>
5498
5499         PR middle-end/18008
5500         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5501         field's type.
5502         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
5503         if we don't need the bits above those present in the current mode.
5504         * expr.c (store_field): Strip conversions to odd-bit-sized types
5505         if the destination field width matches.
5506
5507 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5508
5509         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5510         either -ffast-math or -funsafe-math-optimizations is in use.
5511
5512 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5513
5514         PR target/19293
5515         PR target/19329
5516         * config/avr/avr.c (notice_update_cc): Only set condition code for
5517         ashrqi3 if shift count > 0.
5518         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
5519         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
5520         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
5521         count <= 0 as a no-op, and shift count >= width by copying zero
5522         or sign bit to all bits of the result.
5523         * config/avr/avr.md (all shifts): Add alternatives for zero shift
5524         count, with attribute "length" set to 0 and "cc" set to "none".
5525
5526 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5527
5528         * doc/invoke.texi: Document -mTLS.
5529
5530         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
5531         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
5532         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
5533         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
5534         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
5535         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
5536         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
5537         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
5538
5539         * configure.ac: Check for a TLS capable gas.
5540
5541         * configure: Regenerate.
5542
5543 2005-01-26  Richard Henderson  <rth@redhat.com>
5544
5545         PR middle-end/18008
5546         * combine.c (make_field_assignment): Simplify store to zero_extract
5547         from a source with an overlapping mask.
5548
5549 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5550
5551         2004-11-11  Eric Christopher  <echristo@redhat.com>
5552
5553         * config/frv/frv.md: Add fr400_integer automaton. Don't
5554         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
5555         to TYPE_MACC.
5556
5557 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5558
5559         PR middle-end/16585
5560         * cfgbuild.c (make_edges): Do not clear or set
5561         current_function_has_computed_jump.
5562         * function.h (struct function): Remove the has_computed_jump field.
5563         (current_function_has_computed_jump): Do not define.
5564         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
5565         in a computed jump.  Ignore current_function_has_computed_jump.
5566
5567 2005-01-26  Richard Henderson  <rth@redhat.com>
5568
5569         PR middle-end/19515
5570         * expr.c (categorize_ctor_elements): New argument p_must_clear.
5571         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
5572         fully initialized.
5573         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
5574         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
5575         objects into static storage if they have more than one non-zero value.
5576         * tree.h (categorize_ctor_elements): Update decl.
5577
5578 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5579
5580         PR middle-end/19616
5581         * tree.h (CALL_EXPR_TAILCALL): Add comment.
5582         * calls.c (check_sibcall_argument_overlap_1): Revert the change
5583         to this function from 2004-07-10.
5584         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
5585         the current function for tail call optimizations if the address
5586         of one of it its arguments is taken.
5587
5588 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
5589
5590         * cse.c (fold_rtx): Call equiv_constant only when necessary.
5591
5592 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
5593
5594         * function.c (expand_function_end): If current_function_calls_alloca,
5595         emit stack restore in a place that is reached when the function falls
5596         through at the end.
5597
5598 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
5599
5600         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
5601         rule to avoid matching inappropriate suffix rule.
5602
5603 2005-01-26  Jan Hubicka  <jh@suse.cz>
5604
5605         PR tree-optimization/19241
5606         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
5607
5608 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5609
5610         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
5611         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
5612         of doubling.
5613         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
5614         <sim*>: Always use crt1.o, regardless of N in simN.
5615         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5616         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
5617         (CRT_CALL_STATIC_FUNCTION): Remove.
5618         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
5619         use crt1.o, regardless of N in simN.
5620         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5621         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
5622         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
5623         case isystem setting.
5624         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
5625
5626 2005-01-25  Ian Lance Taylor  <ian@airs.com>
5627
5628         * gimple-low.c (block_may_fallthru): Correct handling of
5629         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
5630
5631 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5632
5633         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
5634         handlers to match indentation; nested under the mtune=* handler.
5635         Similar for mcpu= and march=.
5636
5637 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
5638
5639         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
5640         * config/mips/linux64.h (LIB_SPEC): Likewise.
5641         * config/mn10300/linux.h (LIB_SPEC): Likewise.
5642         * config/sh/linux.h (LIB_SPEC): Likewise.
5643
5644 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
5645
5646         * config/frv/frv.c (frv_legitimize_tls_address): New.
5647         (TARGET_HAVE_TLS): Define.
5648         (FRV_SYMBOL_REF_TLS_P): Define.
5649         (frv_override_options): Handle new register classes.
5650         (frv_legitimate_address_p): Reject tls addresses.
5651         (frv_legitimize_address): Handle TLS addresses.
5652         (gen_inlined_tls_plt): New.
5653         (gen_tlsmoff): New.
5654         (frv_legitimize_tls_address): New.
5655         (unspec_got_name): Add TLS entries.
5656         (got12_operand): Add R_FRV_TLSMOFF12 case.
5657         (frv_emit_move): Fixup TLS addresses.
5658         (frv_emit_movsi): Legitimize TLS addresses.
5659
5660         * config/frv/frv.h (MASK_BIG_TLS): New.
5661         (TARGET_BIG_TLS): New.
5662         (HAVE_AS_TLS): Define.
5663         (TARGET_SWITCHES): Add -mTLS and -mtls options.
5664         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
5665         (REG_CLASS_NAMES): Same.
5666         (REG_CLASS_CONTENTS): Same.
5667         (CONSTRAINT_LEN): New.
5668         (REG_CLASS_FROM_CONSTRAINT): New.
5669         (PREDICATE_CODES): Add symbolic_operand.
5670
5671         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
5672         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
5673         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
5674         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
5675         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
5676         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
5677         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
5678         GR9_REG, GR14_REG, LRREG.
5679         (type): Add load_or_call attribute.
5680         ("load_or_call"): New reservation.
5681         ("call_gettlsoff"): New.
5682         ("tls_indirect_call"): New.
5683         ("tls_load_gottlsoff12"): New.
5684         ("tlsoff_hilo"): New.
5685         ("tls_tlsdesc_ldd"): New.
5686         ("tls_tlsoff_ld"): New.
5687         ("tls_lddi"): New.
5688
5689         * config/frv/frv-protos.h (symbolic_operand): Protoize.
5690
5691         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
5692
5693         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
5694         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
5695         * config/frv/frv.c (TLS_BIAS): Define.
5696         (frv_output_dwarf_dtprel): New.
5697
5698 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
5699
5700         PR rtl-optimization/19579
5701         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
5702         both A and B, see if they don't clobber registers the other expr uses.
5703
5704 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
5705
5706         * real.c (do_add): Initialize signalling and canonical members.
5707
5708         * real.c (real_from_integer): Zero out destination.
5709
5710 2005-01-18  Jan Hubicka  <jh@suse.cz>
5711
5712         PR tree-optimize/19337
5713         * tree-inline.c (initialize_inlined_parameters): Copy
5714         saved_static_chain_decl only.
5715
5716 2005-01-25  Richard Henderson  <rth@redhat.com>
5717
5718         PR target/19556
5719         PR target/19584
5720         * config/i386/i386.c (x86_inter_unit_moves): Zero.
5721         (ix86_preferred_reload_class): Rewrite fp-constant section, with
5722         80387 enabled, to return a proper subclass.  Return the subset that
5723         overlaps with GENERAL_REGS for PLUS.
5724         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5725
5726 2005-01-25  Richard Henderson  <rth@redhat.com>
5727
5728         PR middle-end/19609
5729         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5730
5731 2005-01-25  Roger Sayle  <roger@eyesopen.com>
5732
5733         * expmed.c (choose_multiplier): Change interface to return the
5734         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5735         (expand_divmod): Update calls to choose_multiplier.
5736
5737 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5738
5739         PR middle-end/19330
5740         * expmed.c (extract_bit_field): Use adjust_address instead of
5741         gen_lowpart when op0 is a MEM.
5742
5743 2005-01-24  Steven Bosscher  <stevenb@suse.de>
5744
5745         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5746
5747 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5748
5749         * config/mips/irix-csr.c: New file.
5750         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5751         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5752         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5753         executables.
5754
5755 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5756
5757         PR bootstrap/19364
5758         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5759         sparc/elf.h, add sparc/sp-elf.h.
5760         (sparc-*-rtems*): Likewise.
5761         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5762         tm-dwarf2.h, add sparc/sp-elf.h.
5763         (sparc86x-*-elf): Likewise.
5764         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5765         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5766         TARGET_OS_CPP_BUILTINS.
5767         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5768         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5769         Undefine it.
5770         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5771         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5772         (SWITCH_TAKES_ARG): Likewise.
5773         (LOCAL_LABEL_PREFIX): Likewise.
5774         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5775         (TARGET_N_FORMAT_TYPES): Delete.
5776         (TARGET_FORMAT_TYPES): Likewise.
5777         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5778         * config/sparc/elf.h: Delete.
5779         * config/sparc/sp-elf.h: New file.
5780
5781 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5782
5783         * tree-flow-inline.h (phi_arg_from_edge): Remove.
5784         * tree-flow.h: Remove the corresponding prototype.
5785         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5786         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5787
5788 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5789
5790         PR target/17751
5791         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5792         for AIX ABI or ELF -fPIC.
5793         (rs6000_emit_load_toc_table): Don't create toc_section here.
5794         (rs6000_xcoff_file_start): Nor here.
5795
5796 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
5797
5798         * sh.c (ra.h): Don't #include.
5799         (hard_regs_intersect_p): New function, resurrected from ra.c.
5800
5801         * sh.c: Fix 1996 Copyright.
5802
5803 2005-01-24  Richard Henderson  <rth@redhat.com>
5804             Aldy Hernandez  <aldyh@redhat.com>
5805
5806         * regrename.c (note_sets): Handle subregs.
5807
5808 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
5809
5810         PR bootstrap/18058
5811         * genconditions.c (write_header, write_conditions): Elide file if
5812         not GCC >= 3.0.1.
5813
5814 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5815
5816         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5817         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5818         Update copyright.
5819
5820 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5821
5822         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5823         expand_builtin_printf, expand_builtin_fprintf,
5824         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5825         checking against POINTER_TYPE.
5826         (validate_arglist): Handle POINTER_TYPE code by checking
5827         POINTER_TYPE_P.
5828
5829 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
5830
5831         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5832         init_rtlanal): New.
5833         (for_each_rtx): Call for_each_rtx_1.
5834         * rtl.h (init_rtlanal): Declare.
5835         * toplev.c (backend_init): Call init_rtlanal.
5836
5837 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5838
5839         * flow.c (propagate_one_insn): Formatting.
5840
5841         PR middle-end/19551
5842         * flow.c (libcall_dead_p): Be more conservative if unsure.
5843         If there are any instructions between insn and call, see if they are
5844         all dead before saying the libcall is dead.
5845
5846 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
5847
5848         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5849         operand constraint for operand 0.
5850
5851 2005-01-23  Richard Henderson  <rth@redhat.com>
5852
5853         PR 19486
5854         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5855         edges leading to join block.
5856
5857 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5858
5859         * expmed.c (expand_mult_highpart): Make static.  Change type of
5860         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5861         (expand_divmod): Updates calls to expand_mult_highpart by using
5862         gen_int_mode to pass a CONST_INT rtx.
5863         * rtl.h (expand_mult_highpart): Remove prototype.
5864
5865 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5866
5867         * flow.c (regset_bytes, regset_size): Remove.
5868
5869         * cfganal.c: Fix a reference to Harvey's paper.
5870
5871 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5872
5873         PR rtl-optimization/19464
5874         * tree-optimize.c (init_tree_optimization_passes): Add one more
5875         copyrename pass just before out-of-ssa.
5876
5877 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5878
5879         PR bootstrap/18058
5880         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5881         * ggc-none.c (ggc_free): Define.
5882
5883 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5884
5885         * cse.c (max_reg, max_insn_uid): Remove.
5886         (cse_main): Don't access max_reg or max_insn_uid.
5887
5888         * c-common.c (explicit_flag_signed_bitfields,
5889         lang_statement_code_p, lang_expand_function_end): Remove.
5890         * c-common.h: Remove the corresponding declarations.
5891         * c-opts.c (c_common_handle_option): Remove all write access
5892         to explicit_flag_signed_bitfields.
5893
5894         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5895         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5896         * cgraph.h: Remove the corresponding declaration.
5897
5898         * gcse.c (null_pointer_info): Remove.
5899
5900 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5901             Eric Botcazou  <ebotcazou@libertysurf.fr>
5902
5903         * combine.c (simplify_logical): Only simplify logical expressions
5904         of the form ior(and(x,y),z) by the inverse distributive law if the
5905         result is cheaper than the original.
5906
5907 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5908
5909         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5910         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5911         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5912         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5913         config/freebsd-spec.h, config/arm/arm.h,
5914         config/h8300/h8300.md, config/i386/i386.md,
5915         config/i386/predicates.md, config/i386/sse.md,
5916         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5917         config/vax/vax.md: Fix comment typos.  Follow spelling
5918         conventions.
5919
5920 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5921
5922         * gengtype.c (walk_type): Produce `not equal to' compares for loop
5923         tests, instead of `less than'.
5924
5925 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
5926
5927         * function.c (assign_parm_setup_block): When creating a new stack slot
5928         for a parameter, get its alignment from the parameter's DECL_ALIGN
5929         rather than the type's TYPE_ALIGN.  Make sure that the parameter
5930         is at least word aligned.
5931
5932 2005-01-22  Roger Sayle  <roger@eyesopen.com>
5933
5934         PR middle-end/19378
5935         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5936
5937 2005-01-22  Richard Henderson  <rth@redhat.com>
5938
5939         PR target/19506
5940         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5941         in both compare operands.
5942         (movdfcc_1_sse_max): Likewise.
5943         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
5944         (movdfcc_1_sse): Likewise.
5945         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5946         scratch register as needed.
5947
5948 2005-01-22  Richard Henderson  <rth@redhat.com>
5949
5950         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5951
5952         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5953
5954 2005-01-22  Richard Henderson  <rth@redhat.com>
5955
5956         * genopinit.c (optabs): Use smin/smax for floating point too.
5957         * doc/md.texi: Update to match.  Clarify that floating point
5958         results are undefined for +0/-0 and NaN.
5959         * doc/rtl.texi: Likewise.
5960         * rtl.def (SMIN, SMAX): Likewise
5961         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5962
5963         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5964         leading 's' to the name.
5965         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5966         smaxxf3, sminxf3): Likewise.
5967         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5968         Likewise.
5969
5970 2005-01-22  Paul Brook  <paul@codesourcery.com>
5971
5972         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5973
5974 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
5975
5976         * config/s390/s390.c (struct processor_costs): New fields
5977         dlgr, dlr, dr, dsgfr, dsgr.
5978         (z900_cost, z990_cost): Values for new fields.
5979         (s390_rtx_costs): New cases MEM und COMPARE in switch
5980         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5981         DIV, MOD, UDIV, UMOD.
5982
5983 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5984
5985         * config/s390/s390.md ("doloop_si64"): Reload input value directly
5986         into the register being decremented.
5987         ("doloop_si31", "doloop_di"): Likewise.
5988         ("*doloop_si_long"): Adapt pattern.
5989
5990 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5991
5992         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5993         access registers.
5994         (CLASS_MAX_NREGS): Likewise.
5995
5996 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
5997
5998         * doc/tree-ssa.texi (Statement Operands): Add example for new
5999         must-def macro. Note deprecation of old operands interface.
6000
6001 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6002
6003         PR tree-optimization/19484
6004         * tree-cfg.c (remove_fallthru_edge): New function.
6005         (cleanup_control_flow): Remove fallthru edges from calls that are
6006         now known not to return.
6007
6008 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6009
6010         Fix PR tree-optimization/19038
6011         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6012         copies with loop variant ones.
6013
6014 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6015
6016         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6017         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6018         config/alpha/alpha.md, config/alpha/predicates.md,
6019         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6020         config/sparc/sol2.h: Update copyright.
6021
6022         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6023         first label to see if it is a nonlocal label.
6024
6025 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6026             Andrew Pinski  <pinskia@physics.uc.edu>
6027
6028         PR target/19491
6029         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6030         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6031
6032 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6033
6034         * config/rs6000/rtems.h: Update copyright.
6035
6036 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6037
6038         PR target/19548
6039         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6040         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6041         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6042
6043 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6044
6045         PR c/18809
6046         * c-typeck.c (convert_arguments): Check for error_mark_node.
6047
6048 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6049
6050         PR tree-optimization/13000
6051         * tree-inline.c: Include "tree-flow.h".
6052         (expand_call_inline): If warn_return_type, warn if non-void inline
6053         function falls through.
6054         * tree-cfg.c (execute_warn_function_return): Don't warn about
6055         control reaching end if TREE_NO_WARNING is set.  Set
6056         TREE_NO_WARNING.
6057         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6058         has been lowered.
6059         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6060         branch if we don't need one.
6061         * c-typeck.c: Include "tree-flow.h"
6062         (c_finish_bc_stmt): Don't add a goto if the current statement
6063         list doesn't fall through to the current point.
6064
6065 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6066
6067         PR rtl-optimization/576
6068         * real.c (real_arithmetic): Change return type from void to bool
6069         to return an indication that the result may be inexact.
6070         * real.h (real_arithmeric): Update prototype.
6071         * fold-const.c (const_binop):  Don't constant fold floating
6072         point expressions when the user specifies -frounding-math and
6073         the result may depend upon the run-time rounding mode.
6074         (fold_convert_const_real_from_real): Clean-up.
6075         (fold_initializer): Ignore flag_rounding_math for initializers.
6076         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6077         constant fold FP operations with flag_rounding_math if the
6078         result may depend upon the run-time rounding mode.
6079
6080 2005-01-21  Tom Tromey  <tromey@redhat.com>
6081
6082         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6083
6084 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6085
6086         * tree-cfg.c: Fix comment typos.
6087
6088 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6089
6090         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6091         around the call to rest_of_handle_branch_target_load_optimize.
6092
6093 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6094
6095         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6096         (sparc64-*-openbsd*): Likewise.
6097         (sparclite-*-elf*): Include tm-dwarf2.h.
6098         (sparc86x-*-elf*): Likewise.
6099         (sparc64-*-elf*): Likewise.
6100         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6101         (DBX_DEBUGGING_INFO): Likewise.
6102         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6103         (PREFERRED_DEBUGGING_TYPE): Likewise.
6104         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6105         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6106         (PREFERRED_DEBUGGING_TYPE): Likewise.
6107         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6108         (PREFERRED_DEBUGGING_TYPE): Likewise.
6109         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6110
6111 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6112
6113         PR target/18701
6114         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6115
6116 2005-01-20  Paul Brook  <paul@codesourcery.com>
6117
6118         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6119
6120 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6121
6122         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6123         label is first in a sequence of labels.
6124
6125         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6126
6127 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6128             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6129
6130         * doc/sourcebuild.texi (Test Directives): New.
6131
6132 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6133
6134         * real.c (real_floor): Don't leave the result uninitialized when
6135         mode is VOIDMode, but return the unrounded intermediate value.
6136         (real_ceil): Likewise.
6137
6138 2005-01-20  Paul Brook  <paul@codesourcery.com>
6139
6140         * config/arm/arm.md (insv): Use gen_int_mode.
6141
6142 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6143
6144         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6145         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6146         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6147         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6148         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6149
6150 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6151
6152         Fix PR debug/19124
6153         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6154         fbreg, so we have to assume we can't.
6155         (loc_descriptor_from_tree_1): Ditto.
6156         (containing_function_has_frame_base): New function.
6157         (add_location_or_const_value_attribute): Use it.
6158         Also try to generate a frame_base from a single element location
6159         list.
6160
6161 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6162
6163         PR tree-optimization/15349
6164         * timevar.def (TV_TREE_MERGE_PHI): New.
6165         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6166         PHI_WANTED.
6167         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6168         calls to tree_forwarder_block_p.
6169         (remove_forwarder_block_with_phi, merge_phi_nodes,
6170         gate_merge_phi, pass_merge_phi): New.
6171         * tree-optimize.c (init_tree_optimization_passes): Add
6172         pass_merge_phi.
6173         * tree-pass.h: Add an extern for pass_merge_phi;
6174
6175 2005-01-20  Richard Henderson  <rth@redhat.com>
6176
6177         PR target/19418
6178         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6179         (_mm_castps_pd, _mm_castps_si128): New.
6180         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6181
6182 2005-01-20  Richard Henderson  <rth@redhat.com>
6183
6184         PR target/19530
6185         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6186         __builtin_ia32_vec_init_v2si.
6187         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6188         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6189         (ix86_init_mmx_sse_builtins): Create it.
6190         (ix86_expand_builtin): Expand it.
6191         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6192         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6193         (vec_extractv2si_0, vec_extractv2si_1): New.
6194
6195 2005-01-20  Richard Henderson  <rth@redhat.com>
6196
6197         PR target/16533
6198         * config/i386/i386.c (ix86_expand_push): New.
6199         * config/i386/mmx.md (push<MMXMODE>1): New.
6200         * config/i386/sse.md (push<SSEMODE>1): New.
6201         * config/i386/i386-protos.h: Update.
6202
6203 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6204
6205         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6206         copyright.
6207
6208 2005-01-20  Richard Henderson  <rth@redhat.com>
6209
6210         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6211         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6212
6213 2005-01-19  Richard Henderson  <rth@redhat.com>
6214
6215         PR target/19350
6216         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6217         to V4SFmode in SSE1 fallback load path.
6218
6219 2005-01-19  Richard Henderson  <rth@redhat.com>
6220
6221         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6222         in QImode expansion to ix86_expand_vector_set.
6223         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6224
6225 2005-01-19  Richard Henderson  <rth@redhat.com>
6226
6227         PR target/19511
6228         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6229         subclass of the input class.
6230         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6231         Always true for cross-SSE1 classes.  Rationalize conditionals.
6232         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6233         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6234         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6235         (movdi_2): Add MMX/SSE zeros.
6236         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6237         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6238         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6239         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6240         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6241         (zero_extendsidi2_rex64_1): Remove.
6242         (MOV0 peephole): Check GENERAL_REG_P.
6243
6244 2005-01-19  Richard Henderson  <rth@redhat.com>
6245
6246         PR target/19427
6247         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6248         shufps elements.
6249         (ix86_expand_vector_extract): Likewise.
6250
6251 2005-01-19  Richard Henderson  <rth@redhat.com>
6252
6253         PR middle-end/19304
6254         * expr.c (emit_move_change_mode): New argument force; use
6255         simplify_gen_subreg if true.
6256         (emit_move_via_alt_mode): Merge into ...
6257         (emit_move_via_integer): ... here.
6258         (emit_move_ccmode): Use emit_move_change_mode directly.
6259
6260 2005-01-19  Richard Henderson  <rth@redhat.com>
6261
6262         PR target/19518
6263         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6264         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6265         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6266         rtl if true.
6267         (alpha_emit_set_const): Likewise.  Make static.
6268         (alpha_emit_set_long_const): Make static.
6269         (alpha_extract_integer): Split out from alpha_expand_mov.
6270         (alpha_split_const_mov): Likewise.
6271         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6272         (alpha_legitimate_constant_p): New.
6273         * config/alpha/alpha-protos.h: Update.
6274         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6275         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6276         * config/alpha/alpha.md (movsi): Add n alternative.
6277         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6278         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6279         (splitters for all of the above): Use alpha_split_const_mov.
6280         * config/alpha/predicates.md (non_add_const_operand): New.
6281         (non_zero_const_operand): New.
6282         (input_operand): Use alpha_legitimate_constant_p after reload.
6283
6284 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6285
6286         PR tree-optimization/19038
6287         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6288         (add_candidate): Add ivs with increment in latch only if
6289         allow_ip_end_pos_p is true.
6290         (determine_iv_cost): Use empty_block_p.
6291
6292 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6293
6294         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6295         (compute_dominance_frontiers): Ditto.
6296
6297 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6298
6299         PR target/19529
6300         * config/sh/t-rtems: New.
6301         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6302
6303 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6304
6305         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6306         the offset of the selected field.
6307
6308 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6309
6310         * tree-cfg.c (remove_forwarder_block): Fix the check to
6311         prevent a nonlocal label from appearing in the middle of a
6312         basic block.
6313
6314 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6315
6316         PR rtl-optimization/19462
6317         * reorg.c (find_end_label): Create return insn only if
6318         current_function_epilogue_delay_list is empty.
6319
6320 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6321
6322         * doc/passes.texi: Remove paragraph mentioning new-ra.
6323
6324 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6325
6326         PR rtl-optimization/15139
6327         * combine.c: Include params.h.
6328         (count_rtxs): New function.
6329         (record_value_for_reg): If replace_rtx would replace at least
6330         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6331         (clobber (const_int 0)) instead of TEM.
6332         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6333         * params.h (MAX_LAST_VALUE_RTL): New.
6334         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6335         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6336
6337         PR c/17297
6338         * c-typeck.c (digest_init): Only call build_vector if all constructor
6339         elements are *_CST nodes.
6340         * gimplify.c (gimplify_init_constructor): Likewise.
6341
6342         PR middle-end/19164
6343         * c-typeck.c (digest_init): Only call build_vector if inside_init
6344         is a CONSTRUCTOR.
6345
6346 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6347
6348         * toplev.c (init_asm_output): Remove dead #ifdef.
6349
6350 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6351
6352         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6353
6354 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6355
6356         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6357         accessing DECL_FUNCTION_CODE.
6358         * dojump.c (do_jump): Likewise.
6359         * gimplify.c (gimplify_call_expr): Likewise.
6360         * predict.c (expr_expected_value): Likewise.
6361         (strip_builtin_expect): Likewise.
6362         * tree-inline.c (estimate_num_insns_1): Likewise.
6363         * tree-ssa-loop-im.c (stmt_cost): Likewise
6364         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6365         (tree_expr_nonnegative_p): Likewise.
6366
6367 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6368
6369         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6370         variant of the load_pcrel_sym pattern.
6371         * config/sparc/sparc.md (P macro): Move to the top.
6372         (load_pcrel_sym): Macroize using P.
6373         (save_register_window): Likewise.
6374
6375 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6376
6377         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6378         ("sordered"): Same.
6379
6380 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6381
6382         PR C/19472
6383         * c-typeck.c (build_asm_expr): Strip nops off
6384         input memory operands.
6385
6386 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6387
6388         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6389         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6390         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6391         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6392
6393 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6394
6395         PR target/19379
6396         * config/i386/i386.c (override_options): If the 80387 is disabled,
6397         then do not return FP values using FP registers.
6398
6399 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6400
6401         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6402         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6403         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6404         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6405         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6406         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6407         output.h, postreload-gcse.c, postreload.c, recog.c,
6408         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6409         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6410         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6411         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6412         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6413         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6414         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6415         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6416
6417         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6418         config/alpha/alpha.c, config/arm/vfp.md,
6419         config/i386/emmintrin.h, config/i386/i386-modes.def,
6420         config/i386/i386-protos.h, config/i386/i386.h,
6421         config/i386/pmmintrin.h, config/i386/ppro.md,
6422         config/i386/predicates.md, config/i386/xmmintrin.h,
6423         config/i860/i860.c, config/ia64/ia64-modes.def,
6424         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6425         config/ia64/ia64.md, config/ia64/itanium1.md,
6426         config/ia64/itanium2.md, config/ia64/predicates.md,
6427         config/iq2000/iq2000.h, config/mips/linux64.h,
6428         config/rs6000/aix41.h, config/rs6000/aix43.h,
6429         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6430         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6431         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6432         config/sparc/linux64.h, config/sparc/litecoff.h,
6433         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6434         config/sparc/sparc.h, config/sparc/sparc.md,
6435         config/sparc/sysv4-only.h: Update copyright.
6436
6437 2005-01-18  Richard Henderson  <rth@redhat.com>
6438
6439         PR target/19496
6440         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6441
6442 2005-01-18  Marc Espie  <espie@openbsd.org>
6443         * config/i386/openbsdelf.h: Typo.
6444
6445 2005-01-18  Richard Henderson  <rth@redhat.com>
6446
6447         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6448         special case for sse.
6449         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6450
6451 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6452
6453         * tree-inline.c (estimate_num_insns_1): Added cases for
6454         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6455
6456 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6457
6458         PR rtl-optimization/19296
6459         * combine.c (simplify_comparison): Rewrite the condition under
6460         which a non-paradoxical SUBREG of a PLUS can be lifted when
6461         compared against a constant.
6462
6463 2005-01-18  Andi Kleen <ak@muc.de>
6464
6465         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6466         * c.opt (-Wpointer-sign): Add.
6467         * doc/invoke.texi: (-Wpointer-sign): Add.
6468
6469 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6470
6471         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
6472         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
6473         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
6474         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
6475         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
6476         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
6477         for TARGET_MIX_SSE_I387.
6478         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
6479         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
6480         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
6481         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
6482         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
6483         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
6484         TARGET_MIX_SSE_I387.
6485         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
6486         from expander.
6487
6488 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6489
6490         PR target/19424
6491         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
6492         Add movaps alternative for xmm reg->reg move.
6493
6494 2005-01-17  Jeff Law  <law@redhat.com>
6495
6496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
6497         at the end of the main DOM loop rather than just before DOM exits.
6498
6499 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
6500
6501         PR tree-optimization/19121
6502         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
6503         adding aliases to a name tag, also add them to the pointer's
6504         type tag.
6505         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
6506         sensitive alias info at all.  Only check that the two pointers
6507         have compatible pointed-to sets.
6508         * tree-ssa.c (verify_name_tags): Verify that the alias set of
6509         a pointer's type tag is a superset of the alias set of the
6510         pointer's name tag.
6511
6512 2005-01-17  James E Wilson  <wilson@specifixinc.com>
6513
6514         PR target/19357
6515         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
6516         comment to document why.
6517
6518 2005-01-17  Richard Henderson  <rth@redhat.com>
6519
6520         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
6521         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
6522         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
6523         sse2_vmsminv2df3_finite): New.
6524         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
6525         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
6526         Force op1 into register.
6527
6528 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
6529
6530         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
6531         bubblestrap from always rebuilding build directory.
6532
6533 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
6534
6535         * config/s390/s390.md ("*clc"): Remove incorrect '='.
6536         ("*cmpmem_short"): Likewise.
6537
6538 2005-01-17  Steven Bosscher  <stevenb@suse.de>
6539
6540         * basic-block.h: Document BB_* flags.
6541         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
6542         use an sbitmap instead.
6543         * sched-rgn.c (compute_trg_info): Likewise.
6544
6545 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
6546
6547         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
6548         redundant target_cpu_default and extra_parts lines.  Use the default
6549         "from-abi" ISA.
6550         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
6551         (SUBTARGET_EXTRA_SPECS): Delete.
6552         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
6553         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
6554         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
6555         and "n32" for -mabi=n32.
6556
6557 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6558
6559         PR c/5675
6560         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
6561         fold constant variables into initial values.
6562
6563 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6564
6565         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
6566
6567         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
6568         through the statements backward.
6569
6570 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6571
6572         PR middle-end/13127:
6573         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
6574         a variable set to the return value of the inlined function.
6575
6576 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
6577
6578         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
6579         when modes are tieable.
6580
6581 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
6582
6583         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
6584         of pthread_create to find out if threads are enabled.
6585         * gthr-posix95.h (__gthread_active_p): Likewise.
6586
6587 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
6588
6589         * common.opt (-fnew-ra): Remove.
6590         * ra*.*: Remove.
6591         * toplev.h (flag_new_regalloc): Remove.
6592         * Makefile.in (ra*.*): Don't mention.
6593         * passes.c (rest_of_handle_new_regalloc): Remove.
6594         (rest_of_handle_combine, rest_of_compilation): Always consider
6595         flag_new_regalloc as false.
6596         * doc/invoke.texi: Don't document -fnew-ra.
6597
6598 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
6599
6600         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
6601         last parameter to reg_scan.
6602         * loop.c (loop_optimize): Likewise.
6603         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
6604         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
6605         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6606         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6607         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
6608         * regclass.c (reg_scan): Likewise, for the declaration.
6609         * rtl.h (reg_scan): Likewise, for the prototype.
6610
6611 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6612
6613         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
6614         mark_dfs_back_edges.
6615
6616 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
6617
6618         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
6619         (compute_avail): Uses don't go in tmp_gen.
6620
6621 2005-01-16  Steven Bosscher  <stevenb@suse.de>
6622
6623         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
6624         loop to look for a free slot in a page entry.
6625
6626 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6627
6628         PR target/16304
6629         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
6630         * toplev.c (compile_file): Call process_pending_assemble_output_defs
6631         just before targetm.asm_out.file_end.
6632         * tree.h (process_pending_assemble_output_defs): Declare.
6633         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
6634         New functions.
6635         (assemble_alias): Defer generation of assembly code for defines when
6636         TARGET_DEFERRED_OUTPUT_DEFS is true.
6637         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6638         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6639         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
6640
6641 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6642
6643         PR target/19336
6644         * pa.c (pa_scalar_mode_supported_p): New function.
6645         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6646         * pa.h (MIN_UNITS_PER_WORD): Add comment.
6647
6648         * pa-protos.h (prefetch_operand): Delete.
6649         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
6650         * pa.c (prefetch_operand): Delete.
6651         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
6652         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
6653         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
6654         and prefetch_nocc_operand.
6655         * pa.md (prefetch): Rework to avoid reload problems handling short
6656         displacements when a cache control completer needs to be provided.
6657         (prefetch_32, prefetch_64): Delete.
6658         (prefetch_cc, prefetch_nocc): New patterns.
6659
6660 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
6661
6662         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
6663
6664 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6665
6666         PR ada/19388
6667         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
6668         exceeds maximum alignment for global common data.
6669         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
6670         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
6671
6672 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6673
6674         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
6675
6676 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6677
6678         * harg-reg-set.h (reg_class_names): Prototype global array.
6679         * regclass.c (reg_class_names): Declare here and initialize to
6680         REG_CLASS_NAMES.
6681         (dump_regclass): Remove local declaration of reg_class_names.
6682         (regclass): Likewise.
6683         * cfg.c (dump_flow_info): Likewise.
6684         * ra-debug.c (reg_class_names): Likewise.
6685         * regrename.c (reg_class_names): Likewise.
6686         * reload.c (reg_class_names): Likewise.
6687         * reload1.c (spill_failure): Likewise.
6688         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
6689
6690 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
6691
6692         * config/s390/s390.md ("reload_outti"): Remove predicate for
6693         output operand.  Abort if operand is not a MEM.
6694         ("reload_outdi", "reload_outdf"): Likewise.
6695
6696 2005-01-15  Marc Espie  <espie@openbsd.org>
6697
6698         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
6699         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
6700         * config/openbsd.h:  Fix C++ includes for native configurations.
6701         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
6702         Add trampoline support.
6703         * config/i386/openbsdelf.h: New.
6704
6705 2005-01-15  Marc Espie  <espie@openbsd.org>
6706
6707         * collect2.c (main): Explicitly parse -dynamic-linker option.
6708
6709 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
6710
6711         PR tree-optimization/19060
6712         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6713         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6714         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6715         and handle extract_range_from_cond returning false.
6716         * fold-const.c (fold): Optimize comparisons with min/max even for
6717         width > HOST_BITS_PER_WIDE_INT.
6718
6719 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
6720
6721         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6722         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6723         Remove little endian multilib variants.
6724         Add mips32 multilib variant.
6725
6726 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
6727
6728         * explow.c (copy_all_reg, stabilize): Remove.
6729         * expr.h: Remove the corresponding prototypes.
6730
6731         * rtlanal.c (regs_set_between_p): Remove.
6732         * rtl.h: Remove the corresponding prototype.
6733
6734 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
6735
6736         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6737         to rs6000_nonimmediate_operand.
6738         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6739         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6740         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6741         rs6000_nonimmediate_operand.
6742         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6743         rs6000_nonimmediate_operand.
6744
6745 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
6746
6747         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6748
6749 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6750
6751         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6752         on e500v2.
6753         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6754         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6755
6756         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6757         (rs6k_nonimmediate_operand): New.
6758         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6759         correctly.
6760         (legitimate_lo_sum_address_p): Same.
6761         (rs6000_legitimize_address): Same.
6762         (rs6000_legitimize_reload_address): Same.
6763         (rs6000_legitimate_address): Same.
6764         (spe_build_register_parallel): Pass DF and DC modes in a DI
6765         register.
6766
6767         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6768         to rs6k_nonimmediate_operand.
6769
6770         * config/rs6000/spe.md ("*frob_df_di"): New.
6771         ("*frob_di_df"): New.
6772         ("*frob_di_df_2"): New.
6773         ("*mov_sidf_e500_subreg0"): New.
6774         ("*mov_sidf_e500_subreg4"): New.
6775         ("*movdf_e500_double"): Change predicate to
6776         rs6k_nonimmediate_operand.
6777
6778 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6779
6780         * postreload.c (move2add_note_store): Only call
6781         trunc_int_for_mode on scalar integers.
6782
6783 2005-01-14  Steven Bosscher  <stevenb@suse.de>
6784
6785         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6786         replace BB_VISITED uses.
6787         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6788         (propagate_necessity): Check the bitmap instead of BB_VISITED.
6789         (tree_dce_done): Free visited_control_parents.
6790         (perform_tree_ssa_dce): Allocate and clear it.
6791         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6792         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
6793         instead of BB_VISITED.
6794
6795 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
6796
6797         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6798         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6799         Remove unused prototypes.
6800
6801 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6802
6803         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6804         64-bit register usage.
6805         (spe_func_has_64bit_regs_p): Add FIXME note.
6806
6807 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6808
6809         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6810         flag_finite_math_only with flag_unsafe_math_optimizations.
6811
6812 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
6813
6814         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6815         end-of-stack check.
6816         (__tpf_eh_return): Copy TPF private stack area from the module
6817         boundary stack frame.  Add check for when module addresses are
6818         equal, but no stub address is found.
6819
6820 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
6821
6822         PR target/7525
6823         * arm.h (struct machine_function): Add call_via field.
6824         (thumb_call_via_label): Declare.
6825         * arm.c (thumb_call_via_label): New variable.
6826         (thumb_call_reg_needed): New variable.
6827         (arm_output_function_epilogue): For Thumb code, output any per-function
6828         call-indirect trampolines.
6829         (thumb_call_via_reg): New function.
6830         (arm_file_end): New function.
6831         (TARGET_ASM_FILE_END): Call arm_file_end.
6832         (aof_file_end): Likewise.
6833         * arm-protos.h (thumb_call_via_reg): Declare.
6834         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6835         thumb_call_via_reg in normal case.
6836
6837 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
6838
6839         PR middle-end/19084
6840         PR rtl-optimization/19348
6841         * recog.c (peephole2_optimize): Do global life update if some peephole
6842         decides it doesn't need at least one of its inputs and that change
6843         influences liveness at the start of the basic block.
6844
6845         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6846         arguments instead of 1.
6847
6848 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
6849
6850         PR middle-end/18820
6851         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6852         zero for nested functions needing a static chain or functions
6853         with a non-constant address.
6854
6855 2005-01-13  Roger Sayle  <roger@eyesopen.com>
6856
6857         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6858         (and (sign_extend X) C) into (zero_extend (and X C)).
6859
6860 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
6861
6862         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
6863
6864 2005-01-13  Richard Henderson  <rth@redhat.com>
6865
6866         PR target/19009
6867         PR target/19250
6868         PR target/19252
6869         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6870         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6871         not just TARGET_SSE.
6872         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
6873         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6874         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6875         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6876         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6877         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6878         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6879         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6880         (movdicc_c_rex64): Rename with '*'.
6881         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6882         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6883         (movsfcc_1_387): Rename from movsfcc_1.
6884         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6885         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6886         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6887         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6888         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6889         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6890         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6891         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6892         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6893         sse_movdfcc_const0_4): Remove.
6894         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6895         recognize min/max early.  Update for changed sse cmove patterns.
6896         (ix86_split_sse_movcc): New.
6897         * config/i386/i386-protos.h: Update.
6898
6899 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6900
6901         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6902         (fix_stmt_v_may_defs): Likewise.
6903
6904 2005-01-13  Richard Henderson  <rth@redhat.com>
6905
6906         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6907         for converting the mask.
6908
6909 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
6910
6911         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6912         definition to 600.
6913
6914 2005-01-13  Richard Henderson  <rth@redhat.com>
6915
6916         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6917         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6918         IX86_BUILTIN_MOVDQ2Q): Remove.
6919         (IX86_BUILTIN_VEC_EXT_V4SI): New.
6920         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6921         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6922         shuffling.
6923         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6924         (sse2_pextrw): Fix immediate constraint.
6925         (sse2_loadq, sse2_loadq_rex64): Remove.
6926         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6927         Use __builtin_ia32_vec_ext_<size>.
6928         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6929
6930 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
6931
6932         * function.c (assign_parm_setup_block): Look inside original
6933         entry_parm when inspecting PARALLEL.
6934
6935 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
6936             Joel Sherrill  <joel@oarcorp.com>
6937
6938         PR target/19399
6939         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6940         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6941         rtems_gxx_recursive_mutex_init.
6942         (__gthread_recursive_mutex_lock): New function.
6943         (__gthread_recursive_mutex_trylock): Likewise.
6944         (__gthread_recursive_mutex_unlock): Likewise.
6945
6946 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
6947
6948         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6949
6950 2005-01-13  Jan Beulich  <jbeulich@novell.com>
6951
6952         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6953         (ashrti3_internal): Indicate output is early clobber. Generate result
6954         into output rather than first input. Use move for low word of output
6955         if shift count is exactly 64.
6956         (lshrti3_internal): Likewise.
6957
6958 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
6959
6960         PR target/18329
6961         PR target/18330
6962         * reload1.c (delete_output_reload): Don't delete an output reload
6963         if the pseudo lives longer than a single basic block.  Adjust and
6964         improve wording of comment.
6965
6966 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
6967
6968         PR target/19334
6969         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6970         of TYPE_SIZE where we mean the number of bytes.
6971
6972 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
6973
6974         * function.c (assign_parm_setup_block): Relax condition on
6975         multi-register optimization.
6976
6977 2005-01-12  Nick Clifton  <nickc@redhat.com>
6978
6979         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6980         an "in_delay_slot" attribute of "no" to prevent them being used in
6981         delay slots.  This is forbidden because they might generate
6982         exceptions.
6983
6984 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
6985
6986         PR target/19389
6987         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6988         with r->Y and Y->r.
6989
6990 2005-01-12  Nick Clifton  <nickc@redhat.com>
6991
6992         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6993         passed on to GAS) but do not define, as GAS no longer supports or
6994         needs the -m2000 option.
6995
6996 2005-01-11  Roger Sayle  <roger@eyesopen.com>
6997
6998         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6999         type as args of unprototyped builtins aren't automatically promoted.
7000         (fold_builtin_abs): Likewise.
7001
7002 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7003
7004         * Makefile.in: Set a `build-warn' variable.
7005
7006 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7007
7008         PR tree-optimization/17949
7009         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7010         (find_interesting_uses_address): Use it.
7011
7012 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7013
7014         * regrename.c (kill_value): Handle subreg's that won't simplify.
7015
7016 2005-01-11  Richard Henderson  <rth@redhat.com>
7017
7018         PR target/13366
7019         * config/i386/i386.h (enum ix86_builtins): Move ...
7020         * config/i386/i386.c: ... here.
7021         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7022         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7023         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7024         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7025         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7026         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7027         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7028         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7029         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7030         IX86_BUILTIN_LOADDDUP): Remove.
7031         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7032         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7033         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7034         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7035         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7036         (ix86_init_builtins): Make static.
7037         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7038         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7039         if all the modes match.  Otherwise, fake it.
7040         (get_element_number, ix86_expand_vec_init_builtin,
7041         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7042         (ix86_expand_builtin): Make static.  Update for changed builtins.
7043         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7044         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7045         (ix86_expand_vector_init_duplicate): New.
7046         (ix86_expand_vector_init_low_nonzero): New.
7047         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7048         Split out from ix86_expand_vector_init; handle integer modes.
7049         (ix86_expand_vector_init): Use them.
7050         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7051         * config/i386/i386-protos.h: Update.
7052         * config/i386/predicates.md (reg_or_0_operand): New.
7053         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7054         (movv2sf_internal): Likewise.  And a splitter to match them all.
7055         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7056         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7057         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7058         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7059         (mmx_pinsrw): Fix operand ordering.
7060         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7061         rather than sse_loadss expander.
7062         (movv2df splitter): Similarly.
7063         (sse_loadss, sse_loadlss): Remove.
7064         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7065         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7066         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7067         (sse3_movddup): Rename with '*'.
7068         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7069         (sse2_loadsd): Remove.
7070         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7071         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7072         (sse2_pinsrw): Fix argument ordering.
7073         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7074         (sse2_stored): Remove 'r' destination.
7075         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7076         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7077         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7078         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7079         vec_extractv16qi, vec_initv16qi): New.
7080
7081         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7082         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7083         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7084         constructor form.
7085         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7086         (_mm_load_si128, _mm_store_si128): Likewise.
7087         (_mm_load1_pd): Use _mm_set1_pd.
7088         (_mm_load_sd): Use _mm_set_sd.
7089         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7090         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7091         (_mm_set_epi64): Use _mm_set_epi64x.
7092         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7093         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7094         _mm_setr_epi8): Use _mm_set_foo form.
7095         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7096         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7097         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7098         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7099         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7100         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7101         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7102         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7103         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7104         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7105         (_mm_movedup_pd): Use _mm_shuffle_pd.
7106         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7107         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7108         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7109         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7110         Use _mm_setzero_ps.
7111         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7112         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7113         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7114         (_mm_store_ps): Use raw dereference.
7115         (_mm_store1_ps): Use _mm_storeu_ps.
7116         (_mm_storer_ps): Use _mm_store_ps.
7117         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7118         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7119
7120 2005-01-11  Stan Shebs  <shebs@apple.com>
7121
7122         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7123         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7124
7125 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7126
7127         PR target/18761
7128         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7129         Skip all DECLs except for FIELD_DECLs.
7130
7131 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7132
7133         * config/s390/s390.c (override_options): Return error if
7134         -mbackchain, -mpacked-stack and -mhard-float are used together.
7135         (s390_va_start): Remove the backchain && packed-stack special case.
7136         (s390_gimplify_va_arg): Likewise.
7137         * doc/invoke.texi: Remove the ABI incompatibility note.
7138
7139 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7140
7141         * config/s390/s390.c (struct s390_frame_layout): Remove
7142         save_backchain_p.
7143         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7144         save_backchain_p with TARGET_BACKCHAIN.
7145
7146 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7147
7148         PR target/18916
7149         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7150         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7151         * function.c (locate_and_pad_parm): Set new field.
7152         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7153         Tweak where_pad test to include "none".  Always set mem align for
7154         stack_parm.
7155         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7156         not sufficient for type.
7157         (assign_parm_setup_block): If stack_parm is zero on entry, always
7158         make a new stack local.  Block move old stack parm if necessary
7159         to new aligned stack local.
7160         (assign_parm_setup_stack): Use a block move to handle
7161         potentially misaligned entry_parm.
7162         (assign_parms_unsplit_complex): Specify required alignment when
7163         creating stack local.
7164         * calls.c (compute_argument_addresses): Override alignment of stack
7165         arg calculated from its type with the alignment given by
7166         FUNCTION_ARG_BOUNDARY.
7167         (store_one_arg): Likewise.
7168
7169 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7170
7171         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7172         Change respective itanium_class attribute to ialu.
7173         (shladdp4_internal): New.
7174         * config/ia64/predicates.md (shladd_log2_operand): New.
7175
7176 2005-01-11  Richard Henderson  <rth@redhat.com>
7177
7178         * expr.c (store_constructor): Use rtvec_alloc instead of
7179         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7180
7181 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7182
7183         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7184
7185 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7186
7187         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7188         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7189         (TARGET_RWRELOC): Define.
7190         (ia64_rwreloc_section_type_flags): Delete.
7191         (ia64_section_type_flags): New function.
7192         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7193         (TARGET_RWRELOC): Define.
7194
7195 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7196
7197         PR target/18987
7198         * config/ia64/ia64.c (process_set): For alloc insn, only call
7199         process_epilogue is !frame_pointer_needed.
7200
7201 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7202
7203         PR c++/19355
7204         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7205         unary operator and can't be treated as a binary/comparison operator.
7206
7207 2005-01-10  Richard Henderson  <rth@redhat.com>
7208
7209         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7210         (ix86_return_in_memory): Likewise.
7211         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7212         for choosing register to advance.
7213
7214 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7215
7216         * tree-vectorizer.c, tree.def: Fix comment typos.
7217
7218 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7219
7220         * config/s390/s390.c (struct processor_costs): 4 new fields:
7221         ddbr, ddr, debr, der.
7222         (s390_rtx_costs): More precise handling of divide instructions.
7223
7224 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7225
7226         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7227
7228 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7229
7230         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7231         names resulting from -ffunction-sections/-fdata-sections and linkonce
7232         ones.
7233         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7234         based on the section name. Rearrange the section name comparison logic
7235         slightly so that each section name is compared against at most once.
7236
7237 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7238
7239         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7240         targets for which -fPIC reduces limitations on the GOT size.
7241
7242 2005-01-09  Falk Hueffner  <falk@debian.org>
7243
7244         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7245         X/C1 cmpop C2.
7246
7247 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7248
7249         PR target/18720
7250         * collect2.c (main): Set aixrtl_flag for -brtl option.
7251         (resolve_lib_name): Search for .so file extension before .a
7252         if aixrtl_flag set.
7253
7254 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7255
7256         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7257         (vect_analyze_data_refs_alignment): Add dump prints.
7258
7259 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7260
7261         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7262         expr_invariant_in_loop_p.
7263         Initialize outputs first thing in the function.
7264         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7265         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7266         (vect_analyze_pointer_ref_access): Check that the initial condition of
7267         the access function is loop invariant.
7268
7269 2005-01-09  Richard Henderson  <rth@redhat.com>
7270
7271         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7272         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7273         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7274         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7275         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7276         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7277         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7278         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7279         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7280         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7281         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7282         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7283         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7284         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7285         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7286         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7287         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7288         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7289         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7290         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7291         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7292         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7293         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7294         mmx_ prefix.
7295         (mmx_clrdi, pavgusb): Remove.
7296         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7297         with leading sse_ prefix.
7298         * config/i386/sse.md: Receive them.
7299         * config/i386/mmx.md: New file.
7300         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7301         (subrv2sf3): Turn into expander for normal subtraction.
7302         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7303         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7304         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7305         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7306         commutative; use ix86_binary_operator_ok.
7307         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7308         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7309         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7310         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7311         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7312         Macroize from existing patterns; use ix86_binary_operator_ok.
7313         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7314         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7315         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7316         with vec_select+vec_concat.
7317         (mmx_pshufw, mmx_pshufw_1): Likewise.
7318         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7319         (mmx_uavgv4hi3): Model correctly.
7320         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7321         _mm_xor_si64): Remove casts.
7322
7323 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7324
7325         PR tree-optimization/19224
7326         * tree-scalar-evolution.c (get_instantiated_value,
7327         set_instantiated_value): New functions.
7328         (instantiate_parameters_1): Cache the results.
7329         (instantiate_parameters, resolve_mixers): Initialize and free
7330         the cache.
7331
7332 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7333
7334         * config/i386/i386.md (addhi_4): Correct reference in comment.
7335         (addqi_4): Same.
7336
7337 2005-01-08  Richard Henderson  <rth@redhat.com>
7338
7339         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7340         (_mm_cvtsi128_si64x): Likewise.
7341         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7342         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7343         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7344         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7345         * config/i386/i386-protos.h: Update.
7346         * config/i386/i386.c (print_operand): Add 'H'.
7347         (ix86_fixup_binary_operands): Split out from ...
7348         (ix86_expand_binary_operator): ... here.
7349         (ix86_fixup_binary_operands_no_copy): New.
7350         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7351         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7352         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7353         (safe_vector_operand): Use CONST0_RTX.
7354         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7355         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7356         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7357         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7358         special cases.
7359         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7360         (IX86_BUILTIN_CMPNGESS): New.
7361         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7362         (attr type): Add sselog1.
7363         (attr unit, attr memory): Handle it.
7364         (movti, movti_internal, movti_rex64): Move near other integer moves.
7365         (movtf, movtf_internal): Move near other fp moves.
7366         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7367         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7368         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7369         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7370         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7371         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7372         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7373         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7374         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7375         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7376         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7377         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7378         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7379         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7380         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7381         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7382         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7383         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7384         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7385         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7386         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7387         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7388         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7389         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7390         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7391         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7392         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7393         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7394         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7395         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7396         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7397         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7398         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7399         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7400         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7401         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7402         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7403         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7404         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7405         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7406         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7407         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7408         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7409         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7410         same time.
7411         (SSEPUSH, push<SSEPUSH>): Remove.
7412         (MMXPUSH, push<MMXPUSH>): Remove.
7413         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7414         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7415         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7416         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7417         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7418         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7419         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7420         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7421         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7422         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7423         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7424         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7425         (ppro_sse_log_V4SF): Handle sselog1.
7426         * config/i386/predicates.md (const_0_to_1_operand): New.
7427         (const_0_to_255_mul_8_operand): New.
7428         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7429         (const_2_to_3_operand, const_4_to_7_operand): New.
7430         * config/i386/sse.md: New file.
7431         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7432         (sse_movups): Rename from sse_movups_1.
7433         (sse_loadlss): Rename from sse_loadss_1.
7434         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7435         from the name.
7436         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7437         (absv4sf2, negv2df, absv2df): New.
7438         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7439         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7440         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7441         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7442         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7443         (sse3_addsubv4sf3): Model correctly.
7444         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7445         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7446         (sse_movhlps): Model with vec_select+vec_concat.
7447         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7448         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7449         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7450         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7451         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7452         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7453         sse2_pshufhw_1): Likewise.
7454         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7455         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7456         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7457         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7458         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7459         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7460         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7461         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7462         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7463         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7464         sminv8hi3): Mark commutative
7465         operands.  Use ix86_binary_operator_ok.
7466         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7467         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7468         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7469         sse2_punpcklqdq): Allow operand2 in memory.
7470         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
7471         sse2_movsd): Add memory alternatives.
7472         (sse_storelps): Turn expander into an insn; split after reload.
7473         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
7474         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
7475
7476 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7477
7478         * configure.ac (DWARF-2 debug_line): Use objdump.
7479         * configure: Regenerate.
7480
7481 2005-01-08  Jeff Law  <law@redhat.com>
7482             Diego Novillo  <dnovillo@redhat.com>
7483
7484         PR tree-optimization/18241
7485         * tree-nrv.c (tree_nrv): Ignore volatile return values.
7486         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
7487         statements with volatile operands.
7488         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
7489         operands after marking a statement with has_volatile_ops.
7490
7491 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7492
7493         * tree.c (int_fits_type_p): Always honor integer constant
7494         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
7495
7496 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7497
7498         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
7499         the latent bug in rtl_delete_block has been resolved.
7500
7501 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7502
7503         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
7504         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
7505
7506 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7507
7508         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
7509         library as @multilib_dir@/$(SHLIB_SONAME).
7510
7511 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7512
7513         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
7514         * configure: Regenerate.
7515
7516 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7517
7518         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
7519         TYPE_MODE.
7520
7521 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
7522
7523         PR target/13674
7524         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7525         Convert non-word aligned offset address using ld/std into
7526         indirect address.
7527
7528 2005-01-07  Richard Henderson  <rth@redhat.com>
7529
7530         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
7531
7532 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
7533
7534         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
7535
7536 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7537
7538         PR tree-optimization/19283
7539         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
7540         is not shorter than the original type.
7541
7542         PR rtl-optimization/19012
7543         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
7544
7545         PR rtl-optimization/18861
7546         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
7547         (FULL_STATE): Define.
7548         (mark_tablejump_edge): New function.
7549         (purge_dead_tablejump_edges): New function.
7550         (find_bb_boundaries): Use it.
7551
7552         PR tree-optimization/18828
7553         * builtins.c (expand_builtin_next_arg): Remove argument and all
7554         the argument checking.
7555         (expand_builtin): Adjust caller.
7556         (expand_builtin_va_start): Likewise.  Remove error for too many
7557         arguments.
7558         (fold_builtin_next_arg): Issue error for too many arguments.
7559         After checking arguments, replace them with magic arguments that
7560         prevent further checking of the args.
7561
7562 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7563
7564         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
7565
7566 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7567
7568         PR target/6077
7569         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
7570         and %{.S:...} (and their negative variants) to test whether the
7571         input file is assembler or pre-processed-assembler independent of
7572         the actual filename extension.
7573
7574 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7575
7576         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
7577         of sign or zero extended values.
7578
7579 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
7580
7581         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
7582         for IBM long double format correctly.
7583
7584 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
7585
7586         Fix PR tree-optimization/18792
7587
7588         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
7589         to first_loop_depth, and use loop depth instead of loop number.
7590         (build_classic_dir_vector): Ditto.
7591         (compute_data_dependences_for_loop): Use depth, not loop number.
7592         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
7593         number. Pass in loops, instead of loop numbers.
7594         (gather_interchange_stats): Ditto.
7595         (linear_transform_loops): Ditto.
7596
7597 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
7598
7599         PR rtl-opt/13299
7600         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
7601         biv_fits_mode_p, extension_within_bounds_p): New functions.
7602         (check_ext_dependent_givs): Use them.
7603
7604 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7605
7606         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
7607         more than one barrier, in which case we should delete them all.
7608
7609 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
7610
7611         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
7612
7613 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
7614
7615         Fix PR middle-end/19286
7616         Fix PR debug/19267
7617         * dwarf2out.c (gen_subprogram_die): If we've already tried to
7618         output this subprogram, simply ignore this attempt to do it again.
7619         (add_abstract_origin_attribute): Don't abort trying to add the abstract
7620         origin attribute if it's not possible.
7621         (gen_block_die): Don't ignore subblocks of "unused" blocks.
7622         (decls_for_scope): Ditto.
7623         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
7624         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
7625
7626 2005-01-05  Richard Henderson  <rth@redhat.com>
7627
7628         PR target/11327
7629         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
7630         (bdesc_2arg): Use it.
7631         (ix86_expand_binop_builtin): Force operands into registers
7632         when optimizing.
7633         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
7634         ix86_expand_sse_compare, ix86_expand_sse_comi,
7635         ix86_expand_builtin): Likewise.
7636
7637 2005-01-05  Richard Henderson  <rth@redhat.com>
7638
7639         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
7640         and VEC_SELECT.
7641         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
7642         (mulv4hi3): Set itanium_class mmmul.
7643         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
7644         (fpack): Rename from fpack_sfsf.
7645
7646 2005-01-05  Richard Henderson  <rth@redhat.com>
7647
7648         PR rtl-opt/10692
7649         * reload1.c (do_input_reload): Restrict the optimization deleteing
7650         a previous output reload to RELOAD_FOR_INPUT.
7651
7652 2005-01-05  Steven Bosscher  <stevenb@suse.de>
7653
7654         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
7655         comment that we fall through after case.
7656         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
7657         (distribute_links): Likewise.
7658         * cse.c (cse_insn): Likewise.
7659         * cselib.c (cselib_invalidate_mem): Likewise.
7660         * df.c: Update comments at the top of the file.
7661         (read_modify_subreg_p): Update comments here too.
7662         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
7663         * flow.c (mark_set_1): Likewise.
7664         (mark_used_regs): Likewise.
7665         * gcse.c (mems_conflict_for_gcse_p): Likewise.
7666         (canon_list_insert): Likewise.
7667         (mark_set): Likewise.
7668         (try_replace_reg): Likewise.
7669         (store_killed_in_insn): Likewise.
7670         * loop.c (count_one_set): Likewise.
7671         (basic_induction_var): Likewise.
7672         * postreload-gcse.c (find_mem_conflicts): Likewise.
7673         * postreload.c (reload_combine_note_store): Likewise.
7674         (move2add_note_store): Likewise.
7675         * reload.c (find_equiv_reg): Likewise.
7676         (mark_referenced_resources): Likewise.
7677         * rtlanal.c (set_noop_p): Likewise.
7678         (note_stores): Likewise.
7679         (note_uses): Likewise.
7680         * sched-deps.c (sched_analyze_1): Likewise.
7681         * sched-rgn.c (check_live_1): Likewise.
7682         (update_live_1): Likewise.
7683         * config/i860/i860.c: Likewise.
7684
7685         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
7686         an lvalue.
7687         (ZERO_EXTRACT): Mention that this one can be an lvalue.
7688
7689         * doc/rtl.texi: Update documentation for bit-fields and SET.
7690
7691 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7692
7693         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
7694
7695 2005-01-05  Jan Hubicka  <jh@suse.cz>
7696             Richard Henderson  <rth@redhat.com>
7697
7698         PR target/18910
7699         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
7700         with an offset.
7701
7702 2005-01-05  Richard Henderson  <rth@redhat.com>
7703
7704         PR target/12902
7705         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
7706         (sse_shufps): Change operand 3 to const_int_operand.
7707         (sse2_storelps): Fix typo in template.
7708         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7709         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7710         (ix86_expand_builtin): Likewise.
7711
7712 2005-01-05  Julian Brown  <julian@codesourcery.com>
7713
7714         * config/arm/arm.c (arm_return_in_memory): Treat complex types
7715         as aggregates for AAPCS ABIs.
7716
7717 2005-01-05  Stan Shebs  <shebs@apple.com>
7718
7719         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7720         Mach-O getters if ppc64.
7721         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7722         size argument.
7723         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7724         signed four-byte field for global code case.
7725         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7726
7727 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7728
7729         PR middle-end/19100
7730         * c-common.c: Include real.h.
7731         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7732         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7733         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7734         * Makefile.in (c-common.o): Update dependencies.
7735
7736 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7737
7738         * c-parse.in (asm_string): Add trailing semicolon.
7739
7740 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7741
7742         * c-parse.in (asm_string): New.  Don't allow wide strings in
7743         'asm'.
7744         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7745         asm_string instead of STRING.
7746
7747 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7748
7749         * c-typeck.c (constructor_no_implicit): Remove.
7750         (set_designator, process_init_element): Don't check
7751         constructor_no_implicit.
7752
7753 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
7754             Kaz Kojima  <kkojima@gcc.gnu.org>
7755
7756         PR target/16482
7757         * lcm.c (create_pre_exit): New.
7758         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7759         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
7760
7761 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7762
7763         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7764         -msoft-float in target_float_switch.
7765         * arm.c (arm_override_options): Fix processing of target_float_switch.
7766
7767 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7768
7769         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7770         preferencing.
7771
7772 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
7773
7774         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7775         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7776
7777 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7778
7779         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7780         if deleting the then-block allows the test-block to fallthru to the
7781         else-block.
7782
7783 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
7784
7785         PR c/19152
7786         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7787         after the full declaration if the are in two different TUs.
7788
7789 2005-01-04  Richard Henderson  <rth@redhat.com>
7790
7791         PR tree-opt/19158
7792         * tree-sra.c (generate_one_element_init): Just
7793         call gimplify_and_add.
7794         (generate_element_init): Record the
7795         new referenced variables and mark them for renaming
7796         and split out to ...
7797         (generate_element_init_1): This.
7798         (scalarize_init): Don't call push_gimplify_context/
7799         pop_gimplify_context.
7800
7801 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
7802
7803         * toplev.c (get_src_pwd): Handle failure of getpwd().
7804
7805 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7806
7807         * fold-const.c (fold_single_bit_test): Delete unreachable handling
7808         of TRUTH_NOT_EXPR.
7809         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7810         all the cases handled by it are inverted by invert_truthvalue.
7811
7812 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7813
7814         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7815         (save_register_windowsi): Likewise.
7816
7817 2005-01-04  Richard Henderson  <rth@redhat.com>
7818
7819         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7820
7821 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7822
7823         PR middle-end/17767
7824         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7825         any simplifications of vector mode comparison operators.
7826         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7827
7828 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
7829             Devang Patel  <dpatel@apple.com>
7830
7831         PR tree-optimization/18308
7832         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7833         the operands before creating a new expression.
7834         * dojump.c (do_jump): Make drop_through_label available
7835         for all cases.  Add expansion of COND_EXPR.
7836
7837 2005-01-04  Ira Rosen  <irar@il.ibm.com>
7838
7839         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7840         INTEGER_CST instead of TREE_CONSTANT.
7841         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7842         instead of TREE_CONSTANT.
7843         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7844         instead of TREE_CONSTANT.
7845
7846 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7847
7848         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7849
7850 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7851
7852         PR target/19240
7853         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7854         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7855
7856 2005-01-03  Richard Henderson  <rth@redhat.com>
7857
7858         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7859         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7860         fold_convert_const_real_from_real): Split out from ...
7861         (fold_convert_const): ... here.
7862
7863 2005-01-03  Richard Henderson  <rth@redhat.com>
7864
7865         PR target/19235
7866         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7867         (mov<MMXMODEI>_internal): Likewise.
7868         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7869         Add V2SF case; use it for SSE1; don't use TI.
7870         (movdf_integer): Likewise.
7871         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7872
7873 2005-01-03  Ira Rosen  <irar@il.ibm.com>
7874
7875         * tree-vectorizer.c (vect_strip_conversions): New function.
7876         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7877         check for binary class.
7878
7879 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
7880
7881         Fix PR debug/17924
7882         Fix PR debug/19191
7883         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7884         is a decl.
7885         * gimple-low.c (mark_blocks_with_used_vars): New function.
7886         (mark_blocks_with_used_subblocks): Ditto.
7887         (mark_used_blocks): Ditto.
7888         (pass_mark_used_blocks): New pass.
7889         * tree-inline.c: Include debug.h.
7890         (expand_call_inline): Call outlining_inline_function here.
7891         * tree-optimize.c (init_tree_optimization_passes): Add
7892         pass_mark_used_blocks.
7893         * tree-pass.h (pass_mark_used_blocks): New.
7894         * Makefile.in (tree-inline.o): Add debug.h dependency.
7895
7896 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7897
7898         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7899         VAR_DECLs to have weak_import attribute.
7900
7901         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7902         'struct ucontext'.
7903
7904 2004-01-03  Steven Bosscher  <stevenb@suse.de>
7905
7906         * passes.c (rest_of_compilation): Don't run regmove if only
7907         flag_expensive_optimizations, require flag_regmove instead.
7908
7909 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7910
7911         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7912         register "sparc".
7913         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7914         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7915         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7916         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7917
7918 2005-01-03  Richard Henderson  <rth@redhat.com>
7919
7920         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7921         (ia64_const_ok_for_letter_p): New.
7922         (ia64_const_double_ok_for_letter_p): New.
7923         (ia64_extra_constraint): New.
7924         (ia64_expand_vecint_compare): New.
7925         (ia64_expand_vcondu_v2si): New.
7926         (ia64_expand_vecint_cmov): New.
7927         (ia64_expand_vecint_minmax): New.
7928         (ia64_print_operand): Add 'v'.
7929         (ia64_preferred_reload_class): New.
7930         (ia64_vector_mode_supported_p): New.
7931         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7932         (PREFERRED_RELOAD_CLASS): Move to function.
7933         (CONST_OK_FOR_LETTER_P): Move to function.
7934         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7935         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7936         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7937         (EXTRA_CONSTRAINT): Move to function.
7938         * config/ia64/ia64.md: Include vect.md.
7939         (itanium_class): Add mmalua.
7940         (type): Handle it.
7941         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
7942         (1b_mmalua): New.
7943         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7944         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7945         CONST0_RTX.
7946         (const_int_2bit_operand): New.
7947         (fr_reg_or_0_operand): New.
7948         * config/ia64/ia64-modes.def: Add vector modes.
7949         * config/ia64/ia64-protos.h: Update.
7950         * config/ia64/vect.md: New file.
7951
7952 2005-01-03  Richard Henderson  <rth@redhat.com>
7953
7954         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7955
7956 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
7957
7958         PR target/19236
7959         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7960         to SFmode.
7961         (log1pdf2): Change mode of operands[0,1] to DFmode.
7962
7963 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7964
7965         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7966         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7967         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7968         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7969         SPARC_RELAXED_ORDERING.
7970
7971 2005-01-03  Richard Henderson  <rth@redhat.com>
7972             Uros Bizjak  <uros@kss-loka.si>
7973
7974         PR target/14631
7975         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7976         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7977         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7978         handling.
7979         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7980         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7981         const_pow2_1_to_128_operand): New predicates.
7982
7983 2005-01-02  Greg McGary  <greg@mcgary.org>
7984
7985         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7986         anonymous decls.
7987         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7988         object.  [ptr_type]: Remove unused variable.
7989         Remember nearest addressable array-element or record-component
7990         when checking bitfield components.  Tolerate empty BIND_EXPR.
7991
7992 2005-01-01  Richard Henderson  <rth@redhat.com>
7993
7994         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7995         that don't narrow the value.  Fail for other conversions.
7996
7997 2005-01-01  Richard Henderson  <rth@redhat.com>
7998
7999         PR c/19031
8000         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8001         * c-lang.c (finish_file): Don't do it here.
8002         * objc/objc-act.c (objc_finish_file): Likewise.
8003
8004         * cgraph.c (decl_assembler_name_equal): New.
8005         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8006         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8007         * cgraph.h (struct cgraph_varpool_node): Add next.
8008         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8009         * varasm.c (assemble_alias): Mark the target as needed.
8010
8011 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8012
8013         PR middle-end/19221
8014         * function.c (get_arg_pointer_save_area): Use entry_of_function
8015         instead of get_insns.
8016
8017 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8018             Andrew Pinski  <pinskia@physics.uc.edu>
8019             James E. Wilson  <wilson@specifixinc.com>
8020
8021         PR rtl-optimization/12092
8022         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8023         is zero.
8024
8025 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8026             Olivier Hainque  <hainque@act-europe.fr>
8027
8028         * tree.c (int_fits_type_p): A narrower type always fits in a
8029         wider one, except for negative values into unsigned types.
8030
8031 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8032
8033         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8034         with the original constant rather than require TREE_OVERFLOW.
8035
8036 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8037
8038         PR middle-end/17544
8039         * c-decl.c (finish_function): If compiling C99, annotate the
8040         compiler generated return with the current file name and line 0.
8041         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8042         the source line is greater than 0.
8043         (remove_bb): Likewise.
8044
8045 See ChangeLog.12 for earlier changes.