gcc/ChangeLog

   1 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
   2
   3         * emit-rtl.c (reverse_comparison): Remove.
   4         * rtl.h: Remove the corresponding prototype.
   5
   6 2005-03-24  James E Wilson  <wilson@specifixinc.com>
   7
   8         * doc/install.texi (--enable-altivec): Delete docs.
   9
  10 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
  11
  12         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
  13         SFmode and DFmode before reload when
  14         flag_unsafe_math_optimizations not enabled.
  15
  16 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
  17
  18         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
  19
  20         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
  21         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
  22
  23 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
  24
  25         * configure.ac (enable-checking): Add 'runtime' option.
  26         * doc/install.texi (enable-checking): Document 'runtime' checking.
  27         * tsystem.h (gcc_assert, gcc_unreachable): Define.
  28         * config.in: Regenerated.
  29         * configure: Regenerated.
  30
  31 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
  32
  33         * optabs.h (enum optab_index): Remove OTI_llrint.
  34         (llrint_optab): Remove macro.
  35         * optabs.c (init_optabs): Remove llrint_optab initialization.
  36         * genopinit.c (optabs): Remove llrint_optab implementation.
  37         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
  38         using lrint_optab.
  39
  40 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
  41
  42         PR rtl-optimization/20532
  43         * simplify-rtx.c (simplify_binary_operation_1): Protect from
  44         overflow when adding coefficients for PLUS or MINUS.
  45         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
  46         two as multiplier.
  47
  48 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
  49
  50         * langhooks.h (truthvalue_conversion): Remove.
  51         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
  52         LANG_HOOKS_TRUTHVALUE_CONVERSION.
  53         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
  54         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
  55         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
  56
  57 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
  58
  59         * params.def: Fix a typo.
  60         * config/mips/mips.c: Follow the spelling convensions.
  61         * doc/invoke.texi: Fix typos.
  62
  63 2005-03-18  Dale Johannese  <dalej@apple.com>
  64
  65         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
  66
  67 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
  68
  69         Fix PR tree-optimization/20601
  70
  71         * tree-ssa-pre.c (insert_aux): Add missing condition to
  72         constification.
  73
  74 2005-03-23  Ian Lance Taylor  <ian@airs.com>
  75
  76         * final.c (final_scan_insn): Don't remove no-op instructions.
  77         * reload1.c (reload): Remove simple no-op instructions even when
  78         not optimizing.
  79
  80 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
  81
  82         PR tree-optimization/20501
  83         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
  84         reporting that peeling for alignment is applied moved to...
  85         * (vect_analyze_data_refs_alignment): Here.
  86
  87 2005-03-23  Ian Lance Taylor  <ian@airs.com>
  88
  89         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
  90
  91 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
  92
  93         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
  94         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
  95
  96 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
  97
  98         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
  99         imply that this is called once, independent of asms in code.
 100         Adjust to now being pased output and input lists.  Mention helper
 101         function decl_overlaps_hard_reg_set_p.
 102         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
 103         hook_tree_tree_identity and to take three trees, returning third.
 104         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
 105         prototype.
 106         * stmt.c: include hard-reg-set.h before tree.h.
 107         (decl_overlaps_hard_reg_set_p): New function, broken out from...
 108         (decl_conflicts_with_clobbers_p): Call
 109         decl_overlaps_hard_reg_set_p.
 110         (expand_asm_operands): Pass output and input lists in call to
 111         targetm.md_asm_clobbers.
 112         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
 113         hook_tree_tree_tree_tree_3rd_identity.
 114         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
 115         parameters.
 116         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
 117         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
 118         parameters, first two unused.
 119         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
 120         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
 121         in constraint letters and MOF is not mentioned as a asm-declared
 122         register in neither of the input and output lists.
 123
 124 2005-03-23  DJ Delorie  <dj@redhat.com>
 125
 126         * optabs.c (expand_binop): Make sure the first subword's result
 127         gets stored.
 128
 129 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 130
 131         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
 132         Call c_common_truthvalue_conversion rather than
 133         lang_hooks.truthvalue_conversion.
 134         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
 135         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
 136         c-typeck.c.
 137         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
 138         c_common_truthvalue_conversion.
 139         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
 140         c_parser_conditional_expression, c_parser_binary_expression): Call
 141         c_objc_common_truthvalue_conversion.
 142         * c-typeck.c (build_unary_op): Call
 143         c_objc_common_truthvalue_conversion.
 144         (build_conditional_expr): Do not call
 145         lang_hooks.truthvalue_conversion.
 146         (build_binary_op): Call c_common_truthvalue_conversion.
 147         (c_objc_common_truthvalue_conversion): Moved from
 148         c-objc-common.c.  Call default_function_array_conversion instead
 149         of default_conversion.
 150
 151 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
 152
 153         * c-common.h (default_conversion): Remove.
 154         (perform_integral_promotions): Add.
 155         * c-tree.h (default_conversion): Add.
 156         * c-typeck.c (perform_integral_promotions): New, split out from
 157         default_conversion.
 158         * c-common.c (check_case_value): Use perform_integral_promotions,
 159         not default_conversion.
 160         (c_add_case_label): Don't continue processing case label after
 161         found to be pointer.
 162
 163 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
 164
 165         * gcc.c (do_spec_1): Do not add a -L path for a directory in
 166         the prefix list if we have already added a multilib directory
 167         based on that path.
 168         (main): Do not add MD_EXEC_PREFIX to the list of directories to
 169         search with -L.
 170
 171 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 172
 173         * reload1.c (indirect_symref_ok, reload_obstack): Make them
 174         static.
 175         * reload.h: Remove the prototype for indirect_symref_ok.
 176
 177         * reload1.c (indirect_symref_ok): Make it global.
 178         * reload.h: Add a prototype for indirect_symref_ok.
 179
 180 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
 181
 182         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
 183         ashlhi3 expander.
 184
 185 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
 186
 187         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
 188
 189 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
 190
 191         * c-opts.c (c_common_parse_file): Only start/end main source file
 192         if debug hooks says the writer wants it.
 193         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
 194         member.
 195         (xcoff_debug_hooks): Ditto.
 196         * debug.c (do_nothing_hooks): Ditto.
 197         * debug.h (gcc_debug_hooks): Ditto.
 198         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
 199         * sdbout.c (sdb_debug_hooks): Ditto.
 200         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
 201
 202 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
 203
 204         * doc/extend.texi: Deprecate C++ min/max operators.
 205
 206 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
 207
 208         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
 209         artificial original candidates.
 210
 211 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
 212             Jan Hubicka  <jh@suse.cz>
 213             Steven Bosscher <stevenb@suse.de
 214
 215         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
 216         call cost based on argument sizes.
 217         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
 218         inlining.
 219         * params.def: (max-inline-inssn-single): Set to 450.
 220         (max-inline-insns-auto): Set to 90.
 221         (max-inline-insns-recursive): Set to 450
 222         (max-inline-insns-recursive-auto): Set to 450.
 223         (large-function-insns): Set to 2700.
 224         (inline-call-cost): New parameter.
 225         * tree-inline.c (estimate_move_cost): New function.
 226         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
 227         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
 228         based on arguments.
 229         * tree-inline.h (estimate_move_cost): Declare.
 230         * invoke.texi: (max-inline-inssn-single): Change default to 450.
 231         (max-inline-insns-auto): Change default to 90.
 232         (max-inline-insns-recursive): Change default to 450
 233         (max-inline-insns-recursive-auto): Change default to 450.
 234         (large-function-insns): Change default to 2700.
 235         (inline-call-cost): Document new parameter.
 236
 237 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 238
 239         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
 240         (TARGET_DEFAULT): Delete.
 241         * config/i860/i860.opt: New file.
 242
 243 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
 244
 245         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
 246         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 247         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 248         (frv_sched_lookahead): Delete.
 249         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
 250         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
 251         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
 252         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
 253         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
 254         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
 255         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
 256         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
 257         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
 258         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
 259         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
 260         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
 261         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
 262         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
 263         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
 264         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
 265         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
 266         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
 267         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
 268         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
 269         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
 270         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
 271         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
 272         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
 273         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
 274         (frv_sched_lookahead): Delete.
 275         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
 276         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
 277         (frv_handle_option): New function.  Move -mcpu= handling from...
 278         (frv_override_options): ...here.  Remove handling of other
 279         TARGET_OPTIONS.
 280         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
 281         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
 282         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
 283         and TARGET_NO_MULTI_CE.
 284         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
 285         !TARGET_VLIW_BRANCH.
 286         * config/frv/frv.opt: New file.
 287
 288 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 289
 290         * fold-const.c (fold_ternary): Take decomposed arguments of
 291         CALL_EXPR.
 292         (fold): Update a call to fold_ternary.
 293
 294         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
 295         * tree.h: Add corresponding prototypes.
 296
 297 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
 298
 299         PR target/20561
 300         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
 301         between jump table and its label.
 302         * final.c (shorten_branches): Handle notes in between ADDR_VEC
 303         resp. ADDR_DIFF_VEC and the label preceeding it.
 304         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
 305         is emitted in the right section.
 306
 307 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
 308
 309         * fold-const.c (fold_unary, fold_binary): Update comments
 310         about arguments.
 311
 312 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
 313
 314         PR rtl-optimization/20527
 315         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
 316         REG_INC note, test that the register also isn't mentioned in PRED
 317         or SUCC.
 318
 319 2005-03-22  Ben Elliston  <bje@au.ibm.com>
 320
 321         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
 322         and definition.
 323
 324 2005-03-21  Mike Stump  <mrs@apple.com>
 325
 326         * varasm.c (default_assemble_visibility): Remove extra ().
 327
 328 2005-03-21  Roger Sayle  <roger@eyesopen.com>
 329
 330         PR middle-end/20557
 331         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
 332         to determine whether a block can be duplicated, rather than test
 333         whether the block contains noncopyable insns ourselves.
 334
 335 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 336
 337         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
 338         predicates.
 339
 340 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 341
 342         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
 343
 344 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 345
 346         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
 347         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
 348         * config/fr30/fr30.opt: New file.
 349
 350 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
 351
 352         Fix PR tree-optimization/20542
 353
 354         * tree-flow-inline.h (overlap_subvar): Move to here.
 355         * tree-ssa-operands.c: From here.
 356         * tree-flow.h (overlap_subvar): Declare.
 357         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
 358         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
 359         for variables with subvars.
 360
 361 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
 362
 363         PR middle-end/20177
 364         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
 365         * modulo-sched.c (const_iteration_count): Return on NULL
 366         pre-header.
 367         (print_node_sched_params): Return on NULL dump_file.
 368         (generate_reg_moves): Handle reg-anti dependencies and disregard
 369         closing branch when generating register moves.
 370         (sms_schedule): Mark the SMSed block dirty.
 371         * passes.c (rest_of_handle_sms): Call update_life_info for all
 372         basic-blocks.
 373         * testsuite/gcc.dg/20050321-1.c: New test.
 374
 375 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 376
 377         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
 378         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
 379         movqi_internal): Likewise.
 380
 381 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
 382
 383         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
 384         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
 385         xtensa_b4const): Delete prototypes.
 386         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
 387         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
 388         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
 389         xtensa_extra_constraint): New prototypes.
 390         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 391         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 392         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 393         move_operand, const_float_1_operand, fpmem_offset_operand,
 394         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
 395         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
 396         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
 397         argument type to HOST_WIDE_INT.
 398         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
 399         xtensa_mask_immediate): Likewise.
 400         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
 401         Likewise.  Also make these functions static.
 402         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
 403         (xtensa_const_ok_for_letter_p): New.
 404         (add_operand, arith_operand, nonimmed_operand, mem_operand,
 405         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
 406         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
 407         move_operand, const_float_1_operand, fpmem_offset_operand,
 408         branch_operator, ubranch_operator, boolean_operator): Move to
 409         predicates.md.
 410         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
 411         (xtensa_mem_offset): Change return type to bool.
 412         (xtensa_extra_constraint): New.
 413         (gen_int_relational): Update type of const_range_p function pointer.
 414         Use xtensa_b4const_or_zero.
 415         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
 416         xtensa_const_ok_for_letter_p.  Update comments.
 417         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
 418         (PREDICATE_CODES): Delete.
 419         * config/xtensa/xtensa.md: Include predicates.md.
 420         * config/xtensa/predicates.md: New file.
 421
 422 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 423
 424         * config/v850/v850-protos.h: Remove the prototypes for
 425         reg_or_int9_operand, reg_or_const_operand,
 426         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
 427         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
 428         movsi_source_operand, power_of_two_operand,
 429         not_power_of_two_operand, special_symbolref_operand,
 430         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
 431         register_is_ok_for_epilogue.
 432         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
 433         reg_or_int9_operand, reg_or_const_operand,
 434         call_address_operand, special_symbolref_operand,
 435         movsi_source_operand, power_of_two_operand,
 436         not_power_of_two_operand, register_is_ok_for_epilogue,
 437         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
 438         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
 439         predicates.md.
 440         * config/v850/v850.h (PREDICATE_CODES): Remove.
 441         * config/v850/v850.md: Include predicates.md.
 442         * config/v850/predicates.md: New.
 443
 444 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
 445
 446         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
 447         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
 448         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
 449         (itoolsdir, itoolsdatadir): Move definition above new first use.
 450         (install-itoolsdirs): New rule.
 451         (install-mkheaders): Depend on install-itoolsdirs, not
 452         install-include-dir.
 453
 454 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 455
 456         * tree-into-ssa.c: Remove obsolete comments.
 457
 458 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
 459
 460         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
 461         unrolling if -fpeel-loops is specified, too.
 462         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
 463         Remove superfluous check for flag_unroll_loops.
 464
 465 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
 466
 467         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
 468         (lrint_optab, llrint_optab): Define corresponding macros.
 469         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
 470         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
 471         pattern and llrint_optab using llrintdi2 patterns.
 472         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
 473         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
 474         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
 475         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
 476         flag_unsafe_math_optimizations is set.
 477
 478 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 479
 480         * combine.c (combine_simplify_rtx, simplify_if_then_else,
 481         simplify_logical, if_then_else_cond, known_cond,
 482         simplify_comparison): Adjust calls to reverse_comparison.
 483         Don't use combine_reversed_comparison_code).
 484         (combine_reversed_comparison_code): Remove.
 485         (reversed_comparison): Using reversed_comparison_code, move it...
 486         * jump.c (reversed_comparison): ... here.
 487         * rtl.h (reversed_comparison): Add prototype.
 488
 489 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 490
 491         * builtins.c (fold_builtin): Take decomposed arguments of
 492         CALL_EXPR.
 493         * fold-const.c (fold_ternary): Update a call to fold_builtin.
 494         * gimplify.c (gimplify_call_expr): Likewise.
 495         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
 496         * tree.h: Update the prototype of fold_builtin.
 497
 498 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
 499
 500         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
 501         * rtlhooks.c (gen_lowpart_no_emit_general): New.
 502         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
 503         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
 504         * simplify-rtx.c (simplify_binary_operation_1): Use it.
 505
 506 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
 507
 508         * builtins.c (fold_builtin_1): Take decomposed arguments of
 509         CALL_EXPR.
 510         (fold_builtin): Update a call to fold_builtin_1.
 511
 512 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
 513
 514         PR other/20564
 515         * gcov.c (output_lines): Only output function block summary when
 516         outputting branch information.
 517         * doc/gcov.texi: Document format of preamble and additional block
 518         information lines.
 519
 520 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
 521
 522         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
 523         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
 524         the defaults false if BITS_PER_UNIT != 8.
 525         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
 526         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
 527         than BITS_PER_UNIT != 8.
 528         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
 529         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
 530         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
 531         #undefs.
 532         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
 533         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
 534
 535 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 536
 537         PR middle-end/20539
 538         * fold-const.c (fold_binary): Fix type mismatch between
 539         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
 540         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
 541         for non-truth-valued expressions.
 542
 543         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
 544         and FUNCTION_DECL in the main switch.
 545         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
 546         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
 547         we also need to convert their operands to match.
 548         <TRUTH_NOT_EXPR>: Likewise.
 549
 550 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
 551
 552         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
 553         diagnostic without checking whether an lvalue.
 554         * c-common.h (lvalue_p): Remove.
 555         (enum lvalue_use): Update comment.
 556         (lvalue_or_else): Replace by lvalue_error.
 557         * c-typeck.c (lvalue_p): Make static.
 558         (lvalue_or_else): New.  Call lvalue_error.
 559
 560 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
 561
 562         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
 563         (function_arg_advance): Use rs6000_parm_start.
 564         (function_arg, rs6000_arg_partial_bytes): Likewise.
 565
 566 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 567
 568         * c-common.c (check_case_value): Adjust comment about stripping
 569         NOPs.
 570         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
 571         * c-typeck.c (default_conversion, convert_arguments,
 572         build_modify_expr, convert_for_assignment, store_init_value,
 573         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
 574         manually.  Remove inaccurate comments.
 575
 576 2005-03-20  Roger Sayle  <roger@eyesopen.com>
 577             Joseph S. Myers  <joseph@codesourcery.com>
 578
 579         * varasm.c (do_assemble_alias): Restore comment describing function.
 580         Annotate the target parameter as potentially unused.
 581
 582 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
 583
 584         PR target/18551
 585         * config/avr/avr.c (avr_output_function_prologue): Do not use
 586         current_function_name() in a label, use a local label instead.
 587
 588 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
 589
 590         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
 591         flag_finite_math_only, not flag_unsafe_math_optimizations.
 592
 593 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 594
 595         * builtins.c (fold_builtin_1): Update a call to
 596         targetm.fold_builtin.
 597         * hooks.c (hook_tree_tree_bool_null): Rename to
 598         hook_tree_tree_tree_bool_null.  Take one more argument of type
 599         tree.
 600         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
 601         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
 602         hook_tree_tree_tree_bool_null.
 603         * target.h (gcc_target): Update the prototype of fold_builtin.
 604         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
 605         arguments of CALL_EXPR.
 606         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
 607         new prototype.
 608
 609 2005-03-20  Jan Hubicka  <jh@suse.cz>
 610
 611         * cgraph.h (cgraph_node): Add prev_clone pointer.
 612         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
 613         (cgraph_clone_node): Produce doubly linked chain.
 614
 615 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 616
 617         * c-common.c (handle_aligned_attribute, check_function_sentinel,
 618         get_nonnull_operand, handle_sentinel_attribute,
 619         check_function_arguments_recurse): Do not strip NOPS from
 620         INTEGER_CSTs.
 621         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
 622         Likewise.
 623         * c-format.c (get_constant): Likewise.
 624         * c-parser.c (c_parser_postfix_expression): Likewise.
 625         * c-typeck.c (set_init_index): Likewise.
 626         (convert_arguments): Don't check for NOP_EXPR containing integer
 627         constant.
 628
 629 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
 630
 631         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
 632         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
 633         Take decomposed arguments of CALL_EXPR.
 634         (fold_builtin_1): Update calls to the functions mentioned
 635         above.
 636
 637 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
 638
 639         * c-decl.c (check_bitfield_type_and_width): Require bit-field
 640         width to have integer type.
 641         (build_enumerator): Require enumerator value to have integer type.
 642
 643 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 644
 645         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
 646         to __builtin_inff.
 647
 648 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 649
 650         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
 651         std=iso9899:199x): Correct descriptions.
 652
 653 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
 654
 655         * config.gcc: Consistently use solaris2.1[0-9]* instead of
 656         solaris2.1[0-9].
 657
 658 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
 659
 660         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
 661         of CALL_EXPR.
 662         (expand_builtin_memcpy, fold_builtin_1): Update calls to
 663         fold_builtin_memcpy.
 664
 665         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
 666         arguments of CALL_EXPR.
 667         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
 668         fold_builtin_found, fold_builtin_1): Update calls to
 669         fold_trunc_transparent_mathfn.
 670
 671 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 672
 673         PR middle-end/20493
 674         * fold-const.c (fold_widened_comparison): Don't optimize casts of
 675         function pointers on targets that require function pointer
 676         canonicalization.
 677         (fold_sign_changed_comparison): Likewise.
 678
 679 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 680
 681         * combine.c (try_combine): When changing the mode of a hard reg, make
 682         sure that doing so is valid.
 683
 684 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
 685
 686         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
 687         (TARGET_HANDLE_OPTION): Override default.
 688         (avr_handle_option): New function.
 689         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
 690         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
 691         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
 692         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
 693         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
 694         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
 695         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
 696         (TARGET_OPTIONS): Delete.
 697         * config/avr/avr.opt: New file.
 698
 699 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 700
 701         * config/m32r/m32r-protos.h: Remove the prototypes for
 702         call_address_operand, symbolic_operand, seth_add3_operand,
 703         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 704         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 705         two_insn_const_operand, move_src_operand,
 706         move_double_src_operand, move_dest_operand,
 707         eqne_comparison_operator, signed_comparison_operator,
 708         large_insn_p, conditional_move_operand, carry_compare_operand,
 709         m32r_block_immediate_operand, extend_operand,
 710         reg_or_eq_int16_operand, int8_operand, and
 711         reg_or_zero_operand.
 712         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 713         seth_add3_operand, int8_operand, cmp_int16_operand,
 714         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 715         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 716         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 717         move_double_src_operand, move_dest_operand,
 718         eqne_comparison_operator, signed_comparison_operator,
 719         extend_operand, small_insn_p, large_insn_p,
 720         conditional_move_operand, carry_compare_operand,
 721         m32r_block_immediate_operand): Move to predicates.md.
 722         (MAX_MOVE_BYTES): Move to m32r.h.
 723         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 724         * config/m32r/m32r.md: Include predicates.md.
 725         * config/m32r/predicates.md: New.
 726
 727 2005-03-18  James E Wilson  <wilson@specifixinc.com>
 728
 729         PR c++/19769
 730         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
 731         origin.
 732
 733 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 734
 735         * config/mn10300/mn10300-protos.h: Remove the prototypes for
 736         call_address_operand, const_8bit_operand.
 737         * config/mn10300/mn10300.c (call_address_operand,
 738         const_8bit_operand, const_1f_operand): Move to predicates.md.
 739         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
 740         * config/mn10300/mn10300.md: Include predicates.md.
 741         * config/mn10300/predicates.md: New.
 742
 743 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
 744
 745         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
 746         declarations in diagnostics and %E for identifiers, not %s.
 747
 748 2005-03-18  Jan Hubicka  <jh@suse.cz>
 749             Dale Johannesen  <dalej@apple.com>
 750
 751         * basic-block.h (scale_bbs_frequencies_int,
 752         scale_bbs_frequencies_gcov_type): Declare.
 753         * cfg.c (RDIV): New macro.
 754         (update_bb_frequency_for_threading): Fix.
 755         * basic-block.h (scale_bbs_frequencies_int,
 756         scale_bbs_frequencies_gcov_type): New.
 757         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
 758         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
 759         scale_bbs_frequencies_int.
 760         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
 761
 762 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 763
 764         * config/m32r/m32r-protos.h: Remove the prototypes for
 765         call_address_operand, symbolic_operand, seth_add3_operand,
 766         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
 767         reg_or_uint16_operand, reg_or_cmp_int16_operand,
 768         two_insn_const_operand, move_src_operand,
 769         move_double_src_operand, move_dest_operand,
 770         eqne_comparison_operator, signed_comparison_operator,
 771         large_insn_p, conditional_move_operand, carry_compare_operand,
 772         m32r_block_immediate_operand, extend_operand,
 773         reg_or_eq_int16_operand, int8_operand, and
 774         reg_or_zero_operand.
 775         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
 776         seth_add3_operand, int8_operand, cmp_int16_operand,
 777         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
 778         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
 779         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
 780         move_double_src_operand, move_dest_operand,
 781         eqne_comparison_operator, signed_comparison_operator,
 782         extend_operand, small_insn_p, large_insn_p,
 783         conditional_move_operand, carry_compare_operand,
 784         m32r_block_immediate_operand): Move to predicates.md.
 785         (MAX_MOVE_BYTES): Move to m32r.h.
 786         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
 787         * config/m32r/m32r.md: Include predicates.md.
 788         * config/m32r/predicates.md: New.
 789
 790         * config/pa/pa-protos.h: Add prototypes for magic_milli and
 791         shadd_constant_p.
 792         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
 793         symbolic_operand, symbolic_memory_operand,
 794         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
 795         indexed_memory_operand, move_dest_operand, move_src_operand,
 796         prefetch_cc_operand, prefetch_nocc_operand,
 797         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
 798         arith_operand, arith11_operand, pre_cint_operand,
 799         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
 800         ireg_operand, int5_operand, uint5_operand, int11_operand,
 801         uint32_operand, arith5_operand, and_operand, ior_operand,
 802         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
 803         pc_or_label_operand, div_operand, plus_xor_ior_operator,
 804         shadd_operand, movb_comparison_operator,
 805         cmpib_comparison_operator): Move to predicates.md.
 806         (magic_milli, shadd_constant_p): Make it extern.
 807         * config/pa/pa.h (PREDICATE_CODES): Remove.
 808         * config/pa/pa.md: Include predicates.md.
 809         * config/pa/predicates.md: New.
 810
 811         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
 812         predicate.
 813
 814 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 815
 816         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
 817         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
 818         config/alpha/freebsd.h, config/alpha/linux.h,
 819         config/alpha/netbsd.h, config/alpha/osf5.h,
 820         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
 821         config/h8300/h8300-protos.h, config/h8300/h8300.c,
 822         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
 823         doc/cppopts.texi: Update copyright.
 824
 825 2005-03-18  Jan Hubicka  <jh@suse.cz>
 826
 827         PR middle-end/20225
 828         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
 829         too late.
 830         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
 831         called too late.
 832
 833 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 834
 835         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
 836         VEC_safe_push.
 837
 838 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
 839
 840         * combine.c (gen_binary): Remove.
 841         (known_cond, simplify_shift_const, find_split_point,
 842         combine_simplify_rtx, simplify_if_then_else, simplify_set,
 843         simplify_logical, expand_field_assignment, extract_left_shift,
 844         force_to_mode, if_then_else_cond, apply_distributive_law,
 845         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
 846         simplify_comparison, reversed_comparison): Replace with
 847         simplify_gen_binary, simplify_gen_relational or
 848         distribute_and_simplify_rtx.
 849         (distribute_and_simplify_rtx): New function.
 850
 851 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
 852             Paolo Bonzini  <gcc.gnu.org>
 853
 854         * calls.c (setjmp_call_p, special_function_p): Update comments
 855         at the head of the functions.
 856
 857 2005-03-18  Jan Hubicka  <jh@suse.cz>
 858
 859         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
 860
 861         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
 862         function body should be released; do not proactively release function
 863         bodies in non-unit-at-a-time mode.
 864
 865 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
 866
 867         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
 868         mno-fp-ret-in-387 multilib variants.
 869
 870 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
 871
 872         * common.opt (m): Remove.
 873         * opts.c (handle_option): Pass 'm' options to set_target_switch if
 874         table lookup fails.
 875         (common_handle_option): Remove OPT_m case.
 876
 877 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
 878
 879         * builtins.c (fold_builtin_bitop): Take decomposed arguments
 880         of CALL_EXPR.
 881         (fold_builtin_1): Update a call to fold_builtin_bitop.
 882
 883         * builtins.c (fold_builtin_signbit): Take decomposed arguments
 884         of CALL_EXPR.
 885         (fold_builtin_1): Update a call to fold_builtin_signbit.
 886
 887 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
 888
 889         PR tree-optimization/20474
 890         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
 891         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
 892
 893 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 894
 895         * config/h8300/h8300-protos.h: Remove prototypes for
 896         general_operand_src, general_operand_dst, single_one_operand,
 897         single_zero_operand, call_insn_operand,
 898         two_insn_adds_subs_operand, small_call_insn_operand,
 899         jump_address_operand, bit_operand, bit_memory_operand,
 900         stack_pointer_operand, const_int_gt_2_operand,
 901         const_int_ge_8_operand, const_int_qi_operand,
 902         const_int_hi_operand, incdec_operand, bit_operator,
 903         nshift_operator, eqne_operator, gtle_operator,
 904         gtuleu_operator, iorxor_operator.
 905         Add prototypes for h8sx_shift_type h8sx_classify_shift and
 906         h8300_ldm_stm_parallel.
 907         * config/h8300/h8300.c (h8sx_shift_type,): Move to
 908         h8300-protos.h.
 909         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
 910         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
 911         (h8300_ldm_stm_parallel): Make it extern.
 912         (h8300_ldm_parallel, h8300_stm_parallel,
 913         h8300_return_parallel, general_operand_src,
 914         general_operand_dst, h8300_dst_operand, h8300_src_operand,
 915         nibble_operand, reg_or_nibble_operand, single_one_operand,
 916         single_zero_operand, call_insn_operand,
 917         two_insn_adds_subs_operand, small_call_insn_operand,
 918         jump_address_operand, bit_operand, bit_memory_operand,
 919         stack_pointer_operand, const_int_gt_2_operand,
 920         const_int_ge_8_operand, const_int_qi_operand,
 921         const_int_hi_operand, incdec_operand, eqne_operator,
 922         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
 923         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
 924         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
 925         nshift_operator): Move to predicates.md.
 926         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
 927         * config/h8300/h8300.md: Include predicates.md.
 928         * config/h8300/predicates.md: New.
 929
 930 2005-03-17  Richard Henderson  <rth@redhat.com>
 931
 932         * config.gcc (ia64*-*-hpux*): Add extra_options.
 933         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
 934         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 935         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
 936         (ia64_tls_size_string, ia64_tune_string): Remove.
 937         (ia64_tune): Init to PROCESSOR_ITANIUM2.
 938         (TARGET_DEFAULT_TARGET_FLAGS): New.
 939         (TARGET_HANDLE_OPTION): New.
 940         (ia64_override_options): Move options parsing ...
 941         (ia64_handle_option): ... here.  New.
 942         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
 943         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
 944         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
 945         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
 946         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
 947         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
 948         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
 949         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
 950         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
 951         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
 952         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
 953         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
 954         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
 955         TARGET_EARLY_STOP_BITS): Remove.
 956         (TARGET_ILP32): Default false.
 957         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
 958         (enum ia64_inline_type): New.
 959         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
 960         * config/ia64/ia64.md: Update for new definitions of
 961         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
 962         * config/ia64/ia64.opt: New file.
 963         * config/ia64/ilp32.opt: New file.
 964
 965 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
 966
 967         PR target/18380
 968         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
 969
 970 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
 971
 972         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
 973         instead of MASK_H8300S.
 974         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
 975         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
 976         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
 977         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
 978         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
 979         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
 980         TARGET_SWITCHES): Remove.
 981         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
 982         TARGET_H8300SX.
 983         * config/h8300/h8300.opt: New.
 984
 985         * config/alpha/alpha.opt, config/arc/arc.opt,
 986         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
 987         notices.
 988
 989 2005-03-17  Ian Lance Taylor  <ian@airs.com>
 990
 991         * gmon.c: Remove.
 992
 993 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
 994
 995         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
 996         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
 997         (TARGET_HANDLE_OPTION): Override default.
 998         (arc_handle_option): New function.
 999         (arc_init): Remove code to set arch_cpu_string.
1000         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
1001         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
1002         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
1003         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
1004         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
1005         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
1006         (arc_rodata_string, TARGET_OPTIONS): Delete.
1007         * config/arc/arc.opt: New file.
1008
1009 2005-03-17  Richard Henderson  <rth@redhat.com>
1010
1011         * doc/extend.texi (Weak Pragmas): New section.
1012         (attribute alias): Clarify that target must be in the same
1013         translation unit.
1014
1015 2005-03-17  Richard Henderson  <rth@redhat.com>
1016
1017         * config/alpha/alpha.opt: New file.
1018         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
1019         of alpha_cpu.
1020         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
1021         alpha_fprm_string, alpha_fptm_string): Make static.
1022         (alpha_tls_size_string): Remove.
1023         (alpha_handle_option): New.
1024         (override_options): Update for alpha_cpu/alpha_tune split.
1025         (alpha_file_start): Likewise.
1026         (TARGET_DEFAULT_TARGET_FLAGS): New.
1027         (TARGET_HANDLE_OPTION): New.
1028         * config/alpha/alpha.h (alpha_tune): Declare.
1029         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
1030         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
1031         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
1032         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
1033         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
1034         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
1035         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
1036         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
1037         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
1038         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
1039         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
1040         (TARGET_DEFAULT): Remove MASK_FP.
1041         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
1042         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
1043         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
1044         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
1045         alpha_tls_size_string): Remove.
1046         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
1047         (attribute tune): Rename from attribute cpu.
1048         * config/alpha/ev4.md: Update to match.
1049         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
1050         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
1051         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
1052         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
1053         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
1054         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
1055
1056 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
1057
1058         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
1059         and return without creating new state if before_nops_num is nonzero.
1060         * config/ia64/ia64.md (first_insn): New attribute.
1061         (alloc): Set it to yes.
1062
1063 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1064
1065         * tree-vectorizer.c (new_vec_stmt_info): Initialize
1066         STMT_VINFO_SUBVARS to NULL.
1067         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1068
1069 2005-03-16 Dale Johannesen  <dalej@apple.com>
1070
1071         * rtlanal.c (find_first_parameter_load):  Rewrite to
1072         return actual first param load or the call if none,
1073         instead of first in block, when not all loads exist.
1074
1075 2005-03-16  Roger Sayle  <roger@eyesopen.com>
1076
1077         * optabs.c (expand_copysign_absneg): Make static.
1078         * optabs.h (expand_copysign_absneg): Delete prototype.
1079         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
1080
1081 2005-03-16  Richard Henderson  <rth@redhat.com>
1082
1083         PR middle-end/15700
1084         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
1085         (alias_pairs): Rename from output_defs.
1086         (find_decl_and_mark_needed): Split out from assemble_alias.
1087         (do_assemble_alias): New.
1088         (assemble_output_def): Remove.
1089         (finish_aliases_1, finish_aliases_2): New.
1090         (process_pending_assemble_output_defs): Remove.
1091         (assemble_alias): Defer aliases for which we don't yet have a
1092         non-external decl for the target symbol.
1093         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
1094         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
1095         * toplev.c (compile_file): Use finish_aliases_2 instead of
1096         process_pending_assemble_output_defs.
1097         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
1098         (process_pending_assemble_output_defs): Remove.
1099
1100 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1101
1102         Fix PR tree-optimization/20489
1103
1104         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
1105         for empty structures.
1106
1107 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
1108
1109         Fix PR tree-optimization/20490
1110
1111         * tree-ssa-pre.c (create_expression_by_pieces): Use
1112         force_gimple_operand on result of fold.
1113
1114 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
1115
1116         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
1117         of closing parenthesis.
1118
1119 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
1120
1121         * builtins.c (expand_movstr): Update a call to
1122         fold_builtin_strcpy.
1123         (expand_builtin_strncpy): Update a call to
1124         fold_builtin_strncpy.
1125         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
1126         arguments of CALL_EXPR.
1127         (fold_builtin_1): Update calls to fold_builtin_strcpy and
1128         fold_builtin_strncpy.
1129         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1130         * tree.h: Update the prototypes of fold_builtin_strcpy and
1131         fold_builtin_strncpy.
1132
1133 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1134             Dorit Naishlos  <dorit@il.ibm.com>
1135
1136         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
1137         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
1138         error.
1139
1140 2005-03-16  Steven Bosscher  <stevenb@suse.de>
1141
1142         * tree-inline.c (walk_type_fields, walk_tree,
1143         walk_tree_without_duplicates): Move from here...
1144         * tree.c: ...to here.
1145
1146 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
1147
1148         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
1149         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
1150         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
1151         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
1152         (version): Define using $(BASEVER_c).
1153         (Makefile, config.status, build/gcov-iov.o): No longer depends on
1154         version.c.
1155         (version.o): Depend on version files; add custom generation command.
1156         (prefix.o): Define BASEVER on command line.
1157         (s-iov): Depend on version files; adjust command.
1158         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
1159         Add gcc-vers.texi.
1160         (gcc-vers.texi): New rule.
1161         (doc/%.info, doc/%.dvi): Add -I . to command line.
1162         (doc/gccinstall.dvi): Likewise.
1163         (PACKAGE): Delete.  All uses replaced with "gcc".
1164         * aclocal.m4: Do not include gcc-version.m4.
1165         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
1166         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
1167         Set is_release based on contents of DEV-PHASE.
1168         Set gcc_version based on contents of BASE-VER.
1169         Define WIN32_REGISTRY_KEY only if the user overrode the default.
1170         * config.in, configure: Regenerate.
1171         * gccbug.in: Determine version of GCC in use at runtime.
1172         * gcov-iov.c: Get version number and development phase from
1173         command line, not by including version.c.
1174         * intl.c: Replace all uses of PACKAGE with "gcc".
1175         * libada-mk.in: Delete unused "gcc_version" variable.
1176         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
1177         * version.c: (VERSUFFIX): New hook for redistributors; adjust
1178         commentary to match.
1179         (version_string): Put together from pieces.
1180         * config/alpha/x-vms: Do not use $(gcc_version).
1181         * config/i386/t-nwld: Likewise.
1182         * doc/include/gcc-common.texi: Include gcc-vers.texi for
1183         version-GCC and DEVELOPMENT.
1184
1185 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1186
1187         PR tree-optimization/17454
1188         * tree.c (tree_size): Add case for TREE_BINFO.
1189         * fold-const.c (fold_checksum_tree): Only clear the overloaded
1190         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
1191
1192 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1193
1194         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
1195         op1 whilst expanding the signed widenening multiply variant.
1196
1197 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
1198
1199         * toplev.c (display_target_options): Avoid unused variable warning if
1200         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
1201         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
1202         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
1203         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
1204         (mips_isa_info): New variable.
1205         (mips_parse_cpu): Remove the first argument and leave the caller
1206         to report errors.
1207         (TARGET_HANDLE_OPTION): Override default.
1208         (mips_handle_option): New function.  Move option validation code from...
1209         (override_options): ...here.  Update calls to mips_parse_cpu.
1210         * config/mips/mips.h (mips_arch_string, mips_tune_string)
1211         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
1212         (SUBTARGET_TARGET_OPTIONS): Delete.
1213         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
1214         (mno-flush-func, mtune=): New options.
1215
1216 2005-03-15  Roger Sayle  <roger@eyesopen.com>
1217             Richard Henderson  <rth@redhat.com>
1218
1219         * real.c (c4x_single_format, c4x_extended_format): Provide values
1220         for signbit_ro for c4x's single and extended floating point formats.
1221         * optabs.c (expand_copysign): Use the floating point format's
1222         signbit_ro for expanding via expand_copysign_absneg, and it's
1223         signbit_rw field for expanding via expand_copysign_bit.
1224
1225 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
1226
1227         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
1228         known_alignment_for_access_p.
1229         (known_alignment_for_access_p): New.
1230         (do_peeling_for_alignment): Field made int instead of bool and renamed
1231         to peeling_for_alignment.
1232         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
1233         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
1234         functionality used to be in vect_analyze_operations.
1235         (vect_analyze_operations): Code to determine vectorization factor was
1236         moved to vect_determine_vectorization_factor.
1237         (vect_enhance_data_refs_alignment): Update to correct alignment when it
1238         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
1239         factor.
1240         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
1241         be part of vect_analyze_operations).
1242         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
1243         creating the guard condition, as the number of iterations may be
1244         constant.
1245         (slpeel_tree_peel_loop_to_edge): Use new name of
1246         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
1247         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
1248         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
1249         (vect_do_peeling_for_alignment): Use fold.
1250         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
1251
1252         (vect_update_inits_of_dr): Renamed to
1253         vect_update_init_of_dr.
1254         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
1255         (vectorizable_store): Fix assertion to use == instead of =.
1256
1257 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
1258
1259         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
1260         call_used_regs for wCG registers.
1261
1262 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
1263
1264         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1265         for non-offsettable memory references to cope with outstanding reload
1266         replacements, take 2.
1267
1268 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
1269
1270         PR target/18668
1271         * config/i386/i386.h (x86_fisttp): New.
1272         (TARGET_FISTTP): New macro.
1273         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
1274         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
1275         instruction when fisttp flag is set.
1276         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
1277
1278         * config/i386/i386.md (type attribute): Add fisttp.
1279         (unit attribute): Set to i387 for fisttp type.
1280         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
1281         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
1282         TARGET_FISTTP.
1283         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
1284         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
1285         macros.
1286         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
1287         patterns for TARGET_FISTTP.  Enable patterns for
1288         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
1289         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
1290         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
1291         implement fisttp x87 insn.
1292         (fix_trunc*_i387_fisttp splitters): New patterns.
1293         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
1294         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
1295         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
1296         clobber.
1297         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
1298         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
1299         Implement using mode macros. Disable patterns for TARGET_FISTTP.
1300         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
1301         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
1302         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
1303         Disable patterns for TARGET_FISTTP.
1304         (fix_trunc*_i387 splitters): Implement usign mode macros.
1305         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
1306         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
1307         (fix_trunx*_sse peephole2s): Implement using mode macros.
1308
1309 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
1310
1311         PR rtl-optimization/20291
1312         * combine.c (try_combine): If splitting fails, re-try with
1313         original combined pattern, i.e. before clobber stripping.
1314
1315 2005-03-14  Eric Christopher  <echristo@redhat.com>
1316
1317         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
1318         STACK_GROWS_DOWNWARD.
1319
1320 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1321
1322         * real.h (struct real_format): Split the signbit field into two
1323         two fields, signbit_ro and signbit_rw.
1324         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
1325         mips_double_format, ieee_extended_motorola_format,
1326         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
1327         ieee_extended_intel_128_format, ibm_extended_format,
1328         mips_extended_format, ieee_quad_format, mips_quad_format,
1329         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
1330         i370_double_format, c4x_single_format, c4x_extended_format,
1331         real_internal_format): Update initializers for new field.
1332         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
1333         real_format structure.
1334         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
1335         field of the real_format structure.
1336
1337 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
1338
1339         Fix PR tree-optimization/20458
1340
1341         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
1342         DECL_EXTERNAL on STRUCT_FIELD tags.
1343         (clear_call_clobbered): Ditto.
1344         * tree-ssa-operands.c (note_addressable): Make sure the original
1345         variable doesn't slip into the addressable list if we have
1346         subvars.
1347         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
1348         tags too.
1349
1350 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
1351
1352         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
1353         (-fwide-exec-charset): Likewise.
1354         (-finput-charset): Likewise.
1355         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
1356         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
1357         * c.opt (Wnormalized): New.
1358
1359 2005-03-14  Devang Patel  <dpatel@apple.com>
1360
1361         * doc/invoke.texi: Add reference to Visibility document.
1362
1363 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1364
1365         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
1366         MASK_SPLIT_ADDRESSES.
1367         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
1368         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
1369         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
1370         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
1371         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
1372         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
1373         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
1374         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
1375         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
1376         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
1377         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
1378         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
1379         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1380         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1381         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1382         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1383         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1384         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1385         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1386         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1387         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1388         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1389         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1390         (TARGET_EXPLICIT_RELOCS): Delete.
1391         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1392         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1393         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1394         (override_options): Set MASK_LONG64 if -mint64 is given and no
1395         -mlongXX option is.  Complain about -mint64 -mlong32.
1396         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1397         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1398         * config/mips/mips.opt: New file.
1399
1400 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1401
1402         * config.gcc (extra_options): New variable for listing option files.
1403         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1404         * configure.ac (extra_opt_files): New AC_SUBST variable.
1405         (tm_file_list, tm_include_list): Include options.h first.
1406         * configure: Regenerate.
1407         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1408         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1409         (s-options-h): New rule.
1410         (options.h): Depend on it.
1411         (TEXI_GCCINT_FILES): Add options.texi.
1412         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1413         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1414         * target.h (gcc_target): Add default_target_flags and handle_option.
1415         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1416         (TARGET_HANDLE_OPTION): New macros.
1417         (TARGET_INITIALIZER): Include them.
1418         * opt-functions.awk (opt_args, nth_arg): New functions.
1419         (switch_flags): Handle the "Target" flag.
1420         (var_args): Delete.
1421         (var_name): Use opt_args and nth_arg.
1422         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1423         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1424         macros for the "Mask" and "InverseMask" options.
1425         * opts.h (cl_var_cond): New enum.
1426         (cl_option): Replace the "has_set_value" and "set_value" fields with
1427         "var_cond" and "var_value".
1428         (CL_TARGET): New macro.
1429         (option_enabled, print_filtered_help): Declare.
1430         (decode_options): Move definition.
1431         * opts.c (handle_option): Search for the original option before
1432         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1433         var_cond and var_value fields.  Use targetm.handle_option to handle
1434         target options.
1435         (decode_options): Set target_flags to targetm.default_target_flags.
1436         (print_filtered_help): Make global.  Handle CL_TARGET.
1437         (option_enabled): New function.
1438         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1439         (display_target_options, set_target_switch, print_switch_values)
1440         (default_pch_valid_p): Guard uses of target_switches with
1441         #ifdef TARGET_SWITCHES.  Also...
1442         (display_target_options): Display the CL_TARGET entries in cl_options.
1443         (set_target_option): Don't complain about the "" option when
1444         TARGET_SWITCHES is undefined.
1445         (print_switch_values): Use option_enabled.
1446         (default_pch_valid_p): Check cl_options[] when looking for something
1447         that has changed the value of target_flags.
1448         * c.opt: Remove documentation from top of file.
1449         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1450         * doc/sourecebuild.texi: Refer to the new options documentation
1451         instead of c.opt.  Document machine-specific .opt files.
1452         * doc/tm.texi (target_flags): Say that this variable is declared
1453         by options.h.
1454         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1455         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1456         an alternative.
1457         * doc/options.texi: New file.
1458
1459 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1460
1461         PR middle-end/18628
1462         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1463         register.
1464
1465 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1466
1467         PR c++/20280
1468         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1469         temporary variable of pointer type if an lvalues is required.
1470         (gimplify_modify_expr_rhs): Request an rvalue from it.
1471         (gimplify_expr): Pass fallback on.
1472
1473 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1474
1475         * cfgbuild.c: Update comments.
1476
1477 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1478
1479         PR rtl-optimization/17236
1480         * optabs.c (expand_doubleword_mult): New helper function split out
1481         from expand_binop.  Permute the order in which instructions are
1482         emitted to minimize the number of simultaneously live registers.
1483         (expand_binop): Call expand_doubleword_mult to synthesize a double
1484         word multiplication.
1485
1486 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1487
1488         * basic-block.h: Update the prototypes of cached_make_edge and
1489         rtl_make_eh_edge.
1490         * cfg.c (cached_make_edge): Take edge_cache representing one
1491         row of the adjacency matrix of edges.
1492         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1493         (make_edges): Initialize edge_cache to represent one row of
1494         the adjacency matrix of edges.
1495
1496 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1497
1498         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1499         New functions.
1500         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1501         Remove unused removed_phis variable.
1502         (conditional_replacement): Use build1/build2.
1503         (abs_replacement): Use last_and_only_stmt and build1/build2.
1504
1505 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1506
1507         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1508         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1509         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1510         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1511         * c-common.c (handle_novops_attribute): New function.
1512         (c_common_attribute_table): Add "no vops" entry.
1513         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1514         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1515         * tree-ssa-operands.c (get_call_expr_operands): Do not
1516         create virtual operands for calls with ECF_NOVOPS flag.
1517         * tree.h (DECL_IS_NOVOPS): New macro.
1518         (struct tree_decl): Add novops_flag.
1519         (ECF_NOVOPS): New constant.
1520
1521 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1522
1523         PR target/17688
1524         * config/i386/i386.c (x86_use_himode_fiop): New.
1525         (x86_use_simode_fiop): Rename from x86_use_fiop.
1526         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1527         (TARGET_USE_HIMODE_FIOP): New.
1528         (x86_use_simode_fiop): Rename from x86_use_fiop.
1529         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1530
1531         * config/i386/i386.md (X87MODEI12): New mode macro define.
1532         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1533         to implement x87 FP compare with HImode input operands.
1534         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1535         Use X87MODEI12 mode macro to handle HImode input operands.
1536         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1537         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1538         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1539         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1540         macro to implement x87 operators with HImode input operands.
1541         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1542         input operands.
1543
1544 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1545
1546         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1547         integer_zerop.
1548         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1549         constants invariant.
1550
1551 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1552
1553         * basic-block.h (BB_VISITED): Removed.
1554         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1555
1556 2005-03-14  Falk Hueffner  <falk@debian.org>
1557
1558         PR bootstrap/20424
1559         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1560
1561 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1562
1563         * ggc-zone.c: Fix comment typos.
1564
1565         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1566         stringpool.c, config/mips/mips-protos.h: Update copyright.
1567
1568 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1569
1570         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1571         throughout with its typedef, "rtx".
1572         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1573         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1574         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1575         regs in comment to match code.
1576
1577 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1578
1579         * except.c (check_handled): Make it static.
1580         * except.h: Remove the corresponding prototype.
1581
1582         * function.c (get_func_frame_size): Make it static.
1583         * function.h: Remove the corresponding type.
1584
1585         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1586         Make them static.
1587         * hard-reg-set.h: Remove the corresponding declarations.
1588
1589         * tree-cfg.c (verify_stmts): Check that
1590         bb_for_stmt (stmt) == bb for every PHI node and statement.
1591
1592 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1593
1594         * config.gcc: Remove excess indentation.
1595         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1596
1597 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1598
1599         PR middle-end/19331
1600         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1601         * fold-const.c (fold_sign_changed_comparison): Likewise.
1602         (fold_binary): Optimize comparisons against widened operands if
1603         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1604
1605 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1606
1607         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1608         (sparc_override_options): Initialize it.
1609         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1610
1611 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1612
1613         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1614         (reg_or_none500mem_operand): New predicate.
1615         (zero_reg_mem_operand): New predicate.
1616         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1617         to reg_or_none500mem_operand.
1618         (extendsfdf2_fpr): Add MEM alternative.
1619         (extenddftf2_internal): Change operand2 predicate to
1620         zero_reg_mem_operand.
1621
1622 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1623
1624         * ggc-zone.c: Rewritten.
1625
1626         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1627         if there are none.
1628         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1629         * config.in: Regenerated.
1630         * configure: Regenerated.
1631         * gengtype.c (write_types_process_field, write_func_for_structure):
1632         Pass new argument to gt_pch_note_object.
1633         * ggc-common.c (struct ptr_data): Add TYPE.
1634         (gt_pch_note_object): Take TYPE argument and save it.
1635         (call_count): Update call to ggc_pch_count_object.
1636         (call_alloc): Update call to ggc_pch_alloc_object.
1637         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1638         file.
1639         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1640         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1641         (ggc_alloc_zone_stat): Delete.
1642         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1643         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1644         (ggc_pch_alloc_object): Update prototypes.
1645         (garbage_zone): Delete.
1646         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1647         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1648         pointers.
1649         (tree_id_zone): New variable.
1650         (ggc_alloc_cleared_zone): Remove unused.
1651         (ggc_alloc_zone): Define.
1652         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1653         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1654         ggc_alloc_zone_stat.
1655         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1656         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1657         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1658         (make_node_stat): Likewise.  Use tree_id_zone.
1659
1660 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1661             Joseph S. Myers  <joseph@codesourcery.com>
1662
1663         * configure.ac: Check for MIPS TLS.
1664         * configure: Regenerated.
1665         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1666         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1667         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1668         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1669         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1670         (mips_classify_symbol, mips_symbolic_constant_p)
1671         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1672         (mips_tls_operand_p, mips_call_tls_get_addr)
1673         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1674         (mips_tls_symbol_ref_1): New functions.
1675         (mips_legitimize_address, mips_legitimize_const_move): Call
1676         mips_legitimize_tls_address.
1677         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1678         for MIPS16.
1679         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1680         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1681         (mips_char_to_class): Document V1_REG.
1682         (HAVE_AS_TLS): Provide default.
1683         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1684         constants.
1685         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1686         !TARGET_ABICALLS.
1687         (tls_get_tp_<mode>): New instruction.
1688
1689 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1690
1691         * configure.ac: Update checks for target tools.
1692         * configure: Regenerated.
1693
1694 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1695
1696         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1697
1698 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1699
1700         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1701         more classes of DImode multiplication by constant.  Allow both
1702         multiplication by small negative constants (by performing a
1703         multiplication by a positive constant and negating the result) and
1704         multiplications by large powers of two, by using a left shift.
1705
1706 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1707
1708         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1709         of basic blocks into work_stack.
1710
1711         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1712         config/mips/vr.h: Update copyright.
1713
1714         * c-decl.c (c_init_decl_processing): Remove useless calls to
1715         build_function_type.
1716
1717         * builtins.c (fold_trunc_transparent_mathfn,
1718         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1719         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1720         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1721         fold_builtin_strcpy, fold_builtin_strncpy,
1722         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1723         TREE_TYPE (exp).
1724
1725         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1726         before_call.
1727
1728         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1729         variable determinant.
1730
1731         * tree-cfg.c (group_case_labels): Remove local variable type.
1732
1733         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1734         variable ann.
1735
1736         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1737         result.
1738
1739 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1740
1741         PR target/18251
1742         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1743         (*movmemqi_insn): Delete.
1744         (*movmemhi): Delete.
1745
1746 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1747
1748         * builtins.c (fold_builtin_classify): Take decomposed
1749         arguments of CALL_EXPR.
1750         (fold_builtin_1): Update a call to fold_builtin_classify.
1751
1752 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1753
1754         PR c/20402
1755         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1756         through into call to parser_xref_tag after parse error.
1757         (c_parser_struct_declaration): Consistently return NULL_TREE on
1758         error.
1759
1760 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1761
1762         * tree-flow-inline.h (ref_contains_array_ref): New function.
1763         (lookup_subvars_for_var): Ditto.
1764         (get_subvars_for_var): Ditto.
1765         (var_can_have_subvars): Ditto.
1766
1767         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1768         (struct subvar): New type.
1769
1770         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1771
1772         * tree-optimize.c (init_tree_optimization_passes): Call
1773         pass_create_structure_vars.
1774
1775         * tree-ssa-alias.c: Include vec.h.
1776         (init_alias_info): Don't auto-clear call clobbered on struct-field
1777         tags.
1778         (compute_flow_insensitive_aliasing): Handle subvars.
1779         (group_aliases): Handle STRUCT_FIELD aliases.
1780         (setup_pointers_and_addressables): Ditto.
1781         Don't mark variables non-addressable if they still have
1782         addressable subvars.
1783         Also mark subvars addressable when the real variable is marked
1784         addressable.
1785         (add_pointed_to_var): Try to prune the pointed-to set by only
1786         pointing to subvars when possible.
1787         Otherwise, make sure we set addresses_needed and pt_vars to
1788         properly include subvars.
1789         (bitpos_of_field): New function.
1790         (push_fields_onto_fieldstack): Ditto.
1791         (get_or_create_used_part_for): Ditto.
1792         (create_overlap_variables_for): Ditto.
1793         (find_used_portions): Ditto.
1794         (create_structure_vars): Ditto.
1795         (pass_create_structure_vars): New structure.
1796
1797         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1798         (get_expr_operands): Handle subvars.  Also try to turn
1799         COMPONENT_REF accesses into must-defs now that we can accurately
1800         portray it.
1801         (note_addressable): Try to only mark as addressable those subvars
1802         we know a COMPONENT_REF touches.
1803         (overlap_subvar): New function.
1804
1805         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1806         Handle subvar storing.
1807         (vect_address_analysis): Update caller of vect_object_analysis.
1808
1809         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1810
1811         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1812         (STMT_VINFO_SUBVARS): New macro.
1813
1814         * common.opts: add flag_tree_salias.
1815
1816         * opts.c (decode_options): flag_tree_salias defaults to on.
1817
1818         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1819
1820         * doc/tree-ssa.texi: Document structural alias analysis.
1821
1822 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1823
1824         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1825         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1826         * tree-ssa-operands.c (get_expr_operands): Likewise.
1827         (get_expr_operands): Likewise for ERROR_MARK.
1828
1829 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1830
1831         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1832         var.
1833
1834         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1835         removed_phis.
1836
1837         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1838         (mark_operand_necessary): Remove local variable ver.
1839
1840         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1841         variable prefix_len.
1842
1843         * value-prof.c (mod_subtract_transform): Remove local variable
1844         value.
1845
1846         * builtins.c (fold_builtin_exponent): Take decomposed
1847         arguments of CALL_EXPR.
1848         (fold_builtin_1): Update a call to fold_builtin_exponent.
1849
1850         * builtins.c (fold_builtin_logarithm): Take decomposed
1851         arguments of CALL_EXPR.
1852         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1853
1854         * c-decl.c (c_init_decl_processing): Remove local variables
1855         ptr_ftype_void and ptr_ftype_ptr.
1856
1857         * gimplify.c (gimplify_expr): Remove local variables r0 and
1858         r1.
1859
1860         * reg-stack.c (move_for_stack_reg): Remove local variable
1861         push_insn.
1862         (compare_for_stack_reg): Remove local variable flags_user.
1863         (convert_regs_1): Remove local variable deleted.
1864
1865         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1866         variable new_cond.
1867         (combine_blocks): Remove local variables exits and new_e.
1868
1869         * tree-inline.c (expand_call_inline): Remove local variable
1870         decl.
1871
1872         * tree-ssa-live.c (create_ssa_var_map,
1873         calculate_live_on_entry): Remove local variable snn.
1874
1875 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1876
1877         * c-lex.c (c_lex_with_flags): Add parameter to call to
1878         cpp_spell_token.
1879
1880 2005-03-11  Per Bothner  <per@bothner.com>
1881
1882         * c-tree.h (struct c_declarator): New id_loc field.
1883         * c-pragma.h (c_lex_with_flags): Take position reference.
1884         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1885         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1886         (c_lex): Pass dummy location to c_lex_with_flags.
1887         * c-parser.c (c_lex_one_token): Set c_token's location using
1888         c_lex_with_flags, instead of input_location, which might be "ahead".
1889         (c_parser_direct_declarator): Set declarator's id_loc from
1890         c_token's id_loc.
1891         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1892         declarator's id_loc, rather than probably-imprecise input_location.
1893         (build_id_declarator): Initialize c_declarator's id_loc field.
1894
1895 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1896
1897         PR middle-end/20419
1898         * builtins.c (expand_builtin_signbit): Force the signbit's word
1899         into an integer register to avoid SUBREGs of floating point modes.
1900
1901 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1902
1903         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1904         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1905         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1906         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1907
1908 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1909
1910         PR rtl-optimization/20306
1911         * expr.c (emit_move_complex): Set try_int false if mode is
1912         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1913         emit_block_move if try_int is true.
1914
1915 2005-03-11  Richard Henderson  <rth@redhat.com>
1916
1917         PR target/20415
1918         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1919         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1920         to match.
1921
1922 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1923
1924         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1925         (TARGET_FIX_VR4130): New macro.
1926         (TARGET_OPTIONS): Add -mfix-vr4130.
1927         (ISA_HAS_MACCHI): New macro.
1928         (ASM_SPEC): Add -mfix-vr4130.
1929         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1930         (override_options): Handle mips_fix_vr4130_string.
1931         (mips_avoid_hazards): Clear all_noreorder_p
1932         if we're working around VR4130 errata and the macc alternatives
1933         are not available.
1934         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1935         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1936         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1937         (MULTILIB_DEFAULTS): Remove leading "march=".
1938         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1939         if no architecture option is given.
1940         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1941         VR4130 multilibs.
1942         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1943         * doc/invoke.texi: Document -mfix-vr4130.
1944
1945 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1946
1947         * config/mips/mips.c (override_options): Only warn about -mint64
1948         deprecation if TARGET_INT64.
1949
1950 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1951
1952         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1953         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1954         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1955         are non-specific regarding the nonnull parameter positions.
1956         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1957         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1958         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1959         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1960
1961         * builtins.def: Use the non-specific "nonnull" attibute lists.
1962
1963 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1964
1965         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1966         single_pred_edge, single_succ, single_pred): Improve comments.
1967
1968 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1969
1970         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1971         single_pred_edge, single_succ, single_pred): New inline functions.
1972         * bb-reorder.c (rotate_loop, find_traces_1_round,
1973         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1974         duplicate_computed_gotos): Use the single_succ/pred functions.
1975         * cfganal.c (forwarder_block_p): Ditto.
1976         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1977         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1978         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1979         merge_seq_blocks): Ditto.
1980         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1981         * cfglayout.c (fixup_reorder_chain): Ditto.
1982         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1983         canonicalize_loop_headers, verify_loop_structure): Ditto.
1984         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1985         mfb_update_loops, create_preheader, force_single_succ_latches,
1986         create_loop_notes): Ditto.
1987         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1988         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1989         commit_one_edge_insertion, purge_dead_edges,
1990         cfg_layout_can_merge_blocks_p): Ditto.
1991         * except.c (sjlj_emit_function_enter): Ditto.
1992         * flow.c (init_propagate_block_info): Ditto.
1993         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1994         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1995         insert_insn_end_bb): Ditto.
1996         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1997         find_if_case_2): Ditto.
1998         * lambda-code.c (perfect_nestify): Ditto.
1999         * lcm.c (optimize_mode_switching): Ditto.
2000         * loop-doloop.c (doloop_modify): Ditto.
2001         * loop-init.c (loop_optimizer_init): Ditto.
2002         * loop-iv.c (simplify_using_initial_values): Ditto.
2003         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
2004         * loop-unswitch.c (unswitch_loop): Ditto.
2005         * modulo-sched.c (generate_prolog_epilog): Ditto.
2006         * predict.c (combine_predictions_for_insn, estimate_probability,
2007         tree_estimate_probability, last_basic_block_p,
2008         estimate_bb_frequencies): Ditto.
2009         * profile.c (branch_prob): Ditto.
2010         * regrename.c (copyprop_hardreg_forward): Ditto.
2011         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
2012         * tracer.c (layout_superblocks): Ditto.
2013         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
2014         cfg_remove_useless_stmts_bb, cleanup_control_flow,
2015         cleanup_control_expr_graph, disband_implicit_edges,
2016         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
2017         tree_verify_flow_info, tree_make_forwarder_block,
2018         tree_forwarder_block_p, remove_forwarder_block,
2019         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
2020         * tree-if-conv.c (tree_if_conversion): Ditto.
2021         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
2022         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
2023         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
2024         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2025         copy_loop_headers): Ditto.
2026         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
2027         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
2028         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
2029         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
2030         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
2031         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
2032         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
2033         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
2034         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
2035         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
2036         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
2037         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
2038         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
2039         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
2040         slpeel_add_loop_guard): Ditto.
2041
2042 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
2043
2044         PR tree-optimization/15784
2045         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2046         and -1 - A to ~A.
2047
2048         * stmt.c (expand_case): Don't change index_type.  Convert minval
2049         to the proper type.
2050
2051         PR tree-optimization/20130
2052         * fold-const.c (fold): Fold x * -1 into -x.
2053
2054 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2055
2056         PR rtl-optimization/20331
2057         * rtlanal.c (modified_between_p): Check its address first for MEM.
2058         (modified_in_p): Likewise.
2059
2060 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
2061
2062         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
2063
2064 2005-03-10  Steven Bosscher  <stevenb@suse.de>
2065
2066         * expr.c (expand_expr_real_1): If possible, use a conditional
2067         move for expanding MIN_EXPR and MAX_EXPR.
2068         Use temp for moving around rtx-en.
2069
2070 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
2071
2072         PR rtl-opt/20412
2073         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
2074         correct mode.
2075
2076 2005-03-10  Roger Sayle  <roger@eyesopen.com>
2077
2078         * builtins.c (expand_builtin_signbit): Extend to handle floating
2079         point modes wider than the largest integer type, using the
2080         operand_subword_force function to obtain the signbit's word.
2081
2082 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2083
2084         PR target/20322
2085         * combine.c (try_combine): If recog_for_combine added CLOBBERs
2086         to NEWI2PAT, fail to combine if they are used by NEWPAT.
2087
2088 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
2089
2090         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
2091
2092 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
2093
2094         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
2095         type void.
2096         (perform_edge_inserts): Unconditionally call
2097         free_dominator_info.
2098
2099         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
2100
2101 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
2102
2103         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
2104
2105 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
2106
2107         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
2108
2109         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
2110         gcc_unreachable.
2111         (rtl_register_value_prof_hooks,
2112         tree_value_profile_transformations,
2113         tree_register_value_prof_hooks): Likewise.
2114         * var-tracking.c (stack_adjust_offset_pre_post,
2115         variable_htab_free, variable_union, dataflow_set_different_2,
2116         count_uses, variable_was_changed, set_frame_base_location,
2117         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
2118         vt_add_function_parameters): Likewise.
2119         * varasm.c (named_section_real, named_section, make_decl_rtl,
2120         asm_emit_uninitialised, assemble_integer, decode_addr_const,
2121         const_hash_1, compare_constant, copy_constant, force_const_mem,
2122         output_constant_pool_2, output_constant_pool_1, output_constant,
2123         output_constructor, make_decl_one_only, decl_tls_model,
2124         default_no_named_section, default_elf_select_section_1,
2125         default_unique_section_1): Likewise.
2126         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
2127         * vmsdbgout.c (addr_const_to_string): Likewise.
2128
2129         PR c++/20375
2130         * function.c (struct assign_parm_data_one): Remove last_named
2131         field.
2132         (assign_parm_find_data_types): Don't determine last_named.
2133         Reorder named_parm determination.
2134         (assign_parms): Only setup varargs on the last non-varadic
2135         parameter.
2136
2137 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
2138
2139         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
2140         sda base address on medium model.
2141
2142 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
2143
2144         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
2145         * cfgloop.c (flow_loop_nodes_find): Export.
2146         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
2147         Declare.
2148         * cfgloopmanip.c (fix_loop_structure): New function.
2149         * predict.c (predict_loops): Clean up the loops information.
2150         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
2151         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
2152         loop structure.
2153         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
2154         (rewrite_into_loop_closed_ssa): Declaration changed.
2155         * tree-loop-linear.c (linear_transform_loops): Add argument to
2156         rewrite_into_loop_closed_ssa call.
2157         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2158         * tree-ssa-loop-im.c (move_computations): Ditto.
2159         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
2160         * tree-vectorizer.c (vectorize_loops): Ditto.
2161         * tree-optimize.c: Include cfgloop.h.
2162         (execute_todo): Choose whether to call cleanup_tree_cfg or
2163         cleanup_tree_cfg_loop.
2164         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
2165         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
2166         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
2167         cleanup_tree_cfg_loop call.
2168         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
2169         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
2170         work on part of cfg.
2171
2172 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
2173
2174         PR inline-asm/20314
2175         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
2176         with multiple alternatives.
2177
2178         * stmt.c (parse_output_constraint): Fix a typo.
2179
2180 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
2181
2182         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
2183         assembly directive instead of deprecated "no-generics".
2184
2185 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
2186
2187         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
2188         for non-offsettable memory references to cope with outstanding reload
2189         replacements.
2190         * config/s390/s390.md ("reload_outti"): Call find_replacement to
2191         avoid losing outstanding address reloads.
2192         ("reload_outdi", "reload_outdf"): Likewise.
2193
2194 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2195
2196         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
2197         code.  Add more cbrt transformations.
2198
2199 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2200
2201         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
2202
2203 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2204
2205         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
2206         NULL_TREE when a given tree is not simplified.
2207         (fold): Return the original tree when any of the functions
2208         mentioned above NULL_TREE.
2209
2210         * fold-const.c (fold_unary, fold_binary): Take decomposed
2211         arguments, code, type, op0, and op1 in case of fold_binary.
2212         (fold): Update calls to fold_unary and fold_binary.
2213
2214 2005-03-09  Roger Sayle  <roger@eyesopen.com>
2215
2216         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
2217         a fndecl and an arglist instead of a CALL_EXPR, exp.
2218
2219 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
2220
2221         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
2222
2223         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
2224
2225         * expr.c (expand_assignment): Remove orig_to_rtx.
2226
2227         * fold-const.c (int_const_binop): Remove no_overflow.
2228
2229         * ifcvt.c (noce_emit_move_insn): Remove inmode.
2230
2231         * loop-iv.c (get_biv_step_1): Remove lhs.
2232
2233         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
2234
2235         * real.c (real_nan): Remove neg.
2236
2237         * function.c (thread_prologue_and_epilogue_insns): Remove i
2238         and newinsn.
2239
2240         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
2241         tb.
2242
2243         * tree-eh.c (tree_could_trap_p): Remove idx.
2244
2245         * tree-into-ssa.c (ann): Remove ann.
2246
2247         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
2248
2249         * tree-sra.c (decide_block_copy): Remove inst_count.
2250
2251         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
2252
2253         * tree-ssa-loop-im.c (lhs): Remove.
2254
2255         * cfgbuild.c (state, STATE, SET_STATE,
2256         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
2257         make_edges.
2258         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
2259         (find_basic_blocks): Set the state of each basic block to
2260         BLOCK_NEW.
2261
2262 2005-03-08  Jeff Law  <law@redhat.com>
2263
2264         * tree-cfg.c (cleanup_control_flow): If removal of a computed
2265         goto results in the removal of edges in the CFG, then we need
2266         to recompute dominators.
2267
2268 2005-03-09  Ben Elliston  <bje@au.ibm.com>
2269
2270         * c-common.c (c_do_switch_warnings): Comment fix.
2271
2272 2005-03-08  Julian Brown  <julian@codesourcery.com>
2273
2274         * Patch from 2005-03-08 reverted for causing regressions and
2275         ppc-darwin bootstrap failure.
2276
2277 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
2278
2279         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
2280         Define the real function for ppc-darwin.
2281         * c-typeck.c (convert_arguments): Check for target-specific
2282         invalid argument call to unprototyped function.
2283         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2284         New Macro.
2285         * target.h (invalid_arg_for_unprototyped_fn): New field
2286         in struct calls.
2287         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
2288         default target hook.
2289         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
2290         Declare.
2291
2292 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2293
2294         * c-typeck.c (constructor_stack, constructor_range_stack,
2295         initializer_stack): Make them static.
2296
2297         * cfg.c (rbi_pool): Make it static.
2298
2299         * gimple-low.c (lower_stmt_body): Make it static.
2300         * tree-flow.h: Remove the corresponding prototype.  Don't
2301         declare lower_data.
2302
2303         * sched-deps.c (cache_size): Make it static.
2304
2305         * stor-layout.c (lang_adjust_rli): Make it static.
2306
2307 2005-03-08  Julian Brown  <julian@codesourcery.com>
2308
2309         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2310         from being used for symbols with vague linkage when
2311         HAVE_GAS_COMDAT_GROUP is true.
2312
2313 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
2314
2315         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
2316         nlabel == JUMP_LABEL (jump).
2317
2318 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2319
2320         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
2321         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
2322         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
2323         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
2324
2325 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
2326
2327         PR c/14411
2328         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
2329         * c-common.c (handle_returns_twice): New function.
2330         (c_common_attribute_table): Declare eturns_twice' attribute.
2331         * doc/extend.texi: Document eturns_twice' attribute.
2332         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
2333         (struct tree_decl): Add returns_twice_flag.
2334
2335 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2336
2337         * tree-ssa-phiopt.c: Fix a comment typo.
2338
2339         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
2340         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
2341         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
2342         copyright.
2343
2344 2005-03-08  Richard Henderson  <rth@redhat.com>
2345
2346         * config/alpha/alpha.c (code_for_builtin): Replace special-case
2347         builtin codes with ctzdi2, clzdi2, popcountdi2.
2348         (struct alpha_builtin_def): Add is_const.
2349         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
2350         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
2351         (alpha_init_builtins): Init them.  Set nothrow and const attributes
2352         on builtins.
2353         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
2354         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
2355         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
2356         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
2357         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
2358         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
2359         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
2360         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
2361         (TARGET_FOLD_BUILTIN): New.
2362         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
2363         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
2364         (ffsdi2): Use ctz.
2365         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
2366
2367 2005-03-08  Ira Rosen  <irar@il.ibm.com>
2368
2369         PR tree-optimization/20122
2370         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
2371         condition of access function instead of base.
2372
2373 2005-03-07  Jeff Law  <law@redhat.com>
2374             Steven Bosscher  <stevenb@suse.de>
2375
2376         * tree-cfg.c (find_taken_edge_computed_goto): New function.
2377         (find_taken_edge): Call find_taken_edge_computed_goto as
2378         appropriate.  Allow any gimple invariant rather than just
2379         INTEGER_CST for VAL.
2380         (cleanup_control_flow): Cleanup a computed goto which has turned
2381         into a simple goto.
2382         (tree_merge_blocks): If block B has any forced labels, move
2383         them to the start of block A.
2384         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2385         computed gotos as well.
2386         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2387         removal of unnecessary computed gotos too.
2388         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2389         updated.
2390
2391 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2392
2393         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2394         Remove trailing spaces.
2395
2396         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2397         unshare_all_trees): Make them static.
2398         * tree-gimple.h: Remove the corresponding prototypes.
2399
2400         * diagnostic.h: Remove unused prototype
2401         debug_output_buffer.
2402         * modulo-sched.c: Remove unused prototype
2403         set_row_column_for_ps.
2404
2405         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2406         replace_phi_edge_with_variable): Remove unused variable i.
2407
2408 2005-03-07  Per Bothner  <per@bothner.com>
2409
2410         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2411
2412 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2413
2414         PR tree-opt/17671
2415         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2416         bbs on the COND_EXPR instead of the PHI_NODEs.
2417         (candidate_bb_for_phi_optimization): Remove.
2418         (replace_phi_with_stmt): Rename to ...
2419         (replace_phi_edge_with_variable): this and change so that we
2420         replace the phi argument instead of removing the PHI.
2421         (conditional_replacement): Change so we deal with PHI with more
2422         than two arguments.
2423         (value_replacement): Likewise.
2424         (abs_replacement): Likewise.
2425
2426 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2427
2428         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2429         output_e500_flip_gt_bit.
2430
2431         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2432         as bit 31.
2433         (rs6000_generate_compare): Fix logic to look at the correct bits.
2434         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2435         Look at GT bit.
2436         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2437         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2438         gen_move_from_CR_gt_bit.
2439
2440         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2441         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2442         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2443
2444         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2445         (E500_CR_IOR_COMPARE): New constant.
2446
2447 2005-03-08  Earl Chew <earl_chew@agilent.com>
2448             David Billinghurst <David.Billinghurst@riotinto.com>
2449
2450         * config/i386/host-cygwin.c: New file to support precompiled
2451         headers on cygwin
2452         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2453         * config.host: Use above files for cygwin host.
2454
2455 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2456
2457         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2458         ordering ops from earlier change.
2459
2460 2005-03-07  Per Bothner  <per@bothner.com>
2461
2462         Various fixes to allow us to again build if --enable-mapped-location:
2463         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2464         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2465         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2466         local variable loc. Change logic appropriately.
2467         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2468         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2469         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2470         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2471         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2472
2473 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2474
2475         PR rtl-optimization/19683
2476         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2477         number of bytes, to smallest_int_for_mode.  Fix arguments to
2478         REG_CANNOT_CHANGE_MODE_P.
2479
2480 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2481
2482         * reorg.c (relax_delay_slots): Check that the jump is
2483         conditional before trying to invert it.
2484
2485 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2486
2487         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2488         Make them static.
2489
2490         * calls (stack_arg_under_construction): Make it static.
2491
2492         * flow.c (regs_live_at_setjmp): Make it static.
2493         * flow.h: Remove the corresponding prototype.
2494
2495         * reload1.c (reload_startobj, reload_firstobj,
2496         something_needs_operands_changed, reload_inherited,
2497         reload_inheritance_insn, reload_override_in,
2498         reload_spill_index): Make them static.
2499
2500         * recog.c (verify_changes): Make it static.
2501         * recog.h: Remove the corresponding prototype.
2502
2503         * cfgbuild.c (find_sub_basic_blocks): Remove.
2504         * basic-block.h: Remove the corresponding prototype.
2505         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2506         in comments.
2507         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2508
2509         * tree-ssa-operands.c (check_build_stmt): Remove.
2510
2511         * stor-layout.c (set_alignment): Remove.
2512         * tree.h: Remove the corresponding prototype.
2513
2514         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2515
2516         * tree-ssa-dce.c (control_dependence_map,
2517         visited_control_parents): Make them static.
2518
2519         * cfghooks.c (verify_flow_info): Remove local variable
2520         num_bb_notes.
2521
2522         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2523         last_bb_seen.
2524
2525         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2526
2527 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2528
2529         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2530
2531 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2532
2533         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2534         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2535         PARALLEL for an empty structure.
2536
2537 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2538
2539         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2540
2541         * fold-const.c (fold_binary): Unroll the very first "for"
2542         loop.
2543
2544 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2545
2546         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2547         redundant match_code test.
2548         (scc_comparison_operator): Swap match_operand and match_code
2549         tests.
2550         (branch_positive_comparison_operator): Same.
2551         (trap_comparison_operator): Use comparison_operator and swap with
2552         match_code test.
2553
2554 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2555
2556         PR target/20288
2557         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2558         (out_movhi_r_mr): Read low byte of volatile MEM first.
2559         (out_movhi_mr_r): Write high byte of volatile MEM first.
2560
2561 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2562
2563         * cselib.c (reg_values, reg_values_size): Make them static.
2564
2565         * cse.c (cse_reg_info_table): Make it static.
2566
2567         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2568
2569 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2570
2571         * cse.c (find_best_addr): Use canon_for_address.
2572
2573 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2574
2575         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2576         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2577         SUBREG and MEM, respectively.
2578
2579         * fold-const.c (fold_binary): Use code instead of t.
2580
2581         * fold-const.c (optimize_minmax_comparison): Take decomposed
2582         arguments code, type, op0, and op1 instead of t.
2583         (fold_binary): Update a call to optimize_minmax_comparison.
2584
2585         * fold-const.c (fold_range_test): Take decomposed arguments
2586         code, type, op0, and op1 instead of t.
2587         (fold_binary): Update a call to fold_range_test.
2588
2589         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2590         decomposed arguments code, type, op0, and op1 instead of t.
2591         (fold_binary): Update a call to fold_range_test.
2592
2593 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2594
2595         * fold-const.c (fold_binary): Avoid directly using the original
2596         expression t as much as possible.
2597
2598 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2599
2600         * c-semantics.c (build_stmt): Use TYPE_P instead of
2601         IS_NON_TYPE_CODE_CLASS.
2602         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2603         (NON_TYPE_CHECK): Use TYPE_P instead of
2604         IS_NON_TYPE_CODE_CLASS.
2605
2606         * fold-const.c (fold): Remove handling of binary expressions.
2607
2608 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2609
2610         * doc/c-tree.texi: Wrap comments in @r{}.
2611         * doc/cpp.texi: Likewise.
2612         * doc/cppinternals.texi: Likewise.
2613         * doc/extend.texi: Likewise.
2614         * doc/md.texi: Likewise.
2615         * doc/objc.texi: Likewise.
2616         * doc/sourcebuild.texi: Likewise.
2617         * doc/tm.texi: Likewise.
2618         * doc/tree-ssa.texi
2619
2620 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2621
2622         * predict.c (apply_return_prediction): Standardize PHI chain
2623         walking.
2624         * tree-ssa.c (ssa_redirect_edge): Likewise.
2625
2626         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2627         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2628         Update copyright.
2629
2630         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2631         * tree-flow.h: Adjust the prototype for remove_phi_node.
2632         * lambda-code.c (perfect_nestify): Adjust a call to
2633         remove_phi_node.
2634         * tree-cfg.c
2635         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2636         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2637         Likewise.
2638         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2639         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2640         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2641         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2642
2643         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2644         of GEN_INT (trunc_int_for_mode (...)).
2645         * loop-iv.c (iv_number_of_iterations): Likewise.
2646         * postreload.c (reload_cse_move2add): Likewise.
2647         * simplify-rtx.c (simplify_const_unary_operation,
2648         simplify_const_binary_operation): Likewise.
2649         * stor-layout.c (get_mode_bounds): Likewise.
2650
2651         * fold-const.c (fold_binary): New.
2652         (fold): Call fold_binary on binary expressions.
2653
2654 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2655
2656         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2657         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2658         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2659         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2660         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2661
2662 2005-03-04  Devang Patel  <dpatel@apple.com>
2663
2664         PR tree-optimization/18815
2665         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2666         loops with zero exit edges.
2667
2668 2005-03-04  Devang Patel  <dpatel@apple.com>
2669
2670         * doc/invoke.texi: Remove reference to webpage that does not exist.
2671
2672 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2673             Joseph S. Myers  <joseph@codesourcery.com>
2674
2675         PR c++/19797
2676         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2677         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2678         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2679         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2680         maybe_get_identifier instead of get_identifier.
2681         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2682         (struct deferred_plabel): Replace name field with symbol field.
2683         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2684         ASM_OUTPUT_EXTERNAL_REAL is defined.
2685         (output_global_address): Use output_addr_const for output of all
2686         symbol_refs.
2687         (output_deferred_plabels): Use symbol_ref instead of name for address
2688         output.
2689         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2690         ASM_OUTPUT_SYMBOL_REF): New macros.
2691         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2692         comment.
2693         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2694         label.
2695
2696 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2697
2698         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2699         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2700
2701 2005-03-04  Jeff Law  <law@redhat.com>
2702
2703         * basic-block.h (rediscover_loops_after_threading): Declare.
2704         * tree-ssa-dom.c: Include cfgloop.h.
2705         (tree_ssa_dominator_optimize): Discover loops and some basic
2706         properties.  Remove forwarder blocks recreated by loop header
2707         canonicalization.  Also mark backedges in the CFG.
2708         * tree-ssa-threadupdate.c: Include cfgloop.h
2709         (rediscover_loops_after_threading): Define.
2710         (struct local_info): New field, JUMP_THREADED.
2711         (prune_undesirable_thread_requests): New function.
2712         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2713         then record that fact for the callers of redirct_edges.
2714         (thread_block): If BB has incoming backedges, then call
2715         prune_undesirable_thraed_requests.    Note when we are
2716         going to have to rediscover loop information.  Return a
2717         boolean indicating if any jumps were threaded.
2718         (thread_through_all_blocks): Bubble up boolean indicating
2719         if any jumps were threaded.
2720         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2721         (tree-ssa-threadupdate.o): Similarly.
2722
2723 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2724
2725         * fold-const.c (fold_ternary): Unroll the "for" loop to
2726         extract operands.
2727
2728 2005-03-04  Andrew Haley  <aph@redhat.com>
2729
2730         * unwind-dw2-fde-glibc.c (struct
2731         unw_eh_callback_data.check_cache): New field.
2732         (frame_hdr_cache): New.
2733         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2734         Cache frame header info.
2735
2736 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2737
2738         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2739         (print_c_condition): Declare.
2740         * read-rtl.c (ptr_loc): New structure.
2741         (ptr_locs, ptr_loc_obstack, joined_conditions)
2742         (joined_conditions_obstack): New variables.
2743         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2744         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2745         (join_c_conditions, print_c_condition): New functions.
2746         (apply_macro_to_string): Associate the new string with the same
2747         source location as the old one.
2748         (add_condition_to_string): Use join_c_conditions.
2749         (read_string): Use set_rtx_ptr_loc to record a filename and line
2750         number for the string.
2751         (read_rtx): Initialize the new variables above.
2752         * genattrtab.c (write_test_expr, write_attr_value): Use
2753         print_c_condition.
2754         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2755         comment above the GCC_VERSION check.
2756         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2757         Inline the definition of MAYBE_EVAL.
2758         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2759         * genoutput.c (process_template): Likewise.
2760         * genpreds.c (write_predicate_subfunction): Likewise.
2761         (write_predicate_expr): Use print_c_condition.
2762         * genrecog.c (write_cond): Likewise.
2763         * gensupport.c (process_rtx): Use join_c_conditions to join the
2764         conditions of a define_insn_and_split.  Record a source location
2765         for the string after the "&&".
2766         (alter_test_for_insn): Use join_c_conditions.
2767
2768 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2769
2770         Revert for now:
2771         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2772         PR tree-optimization/15784
2773         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2774         and -1 - A to ~A.
2775
2776 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2777
2778         * gcc.c (option_map): Add --coverage.
2779         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2780         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2781         * config/darwin.h: Pass -lgcov for `coverage'.
2782         * doc/invoke.texi (Debugging Options): Document --coverage.
2783
2784 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2785
2786         * gcse.c (bypass_block): Use find_edge wherever possible.
2787
2788 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2789
2790         Fix PR debug/20253
2791
2792         * c-opts.c (c_common_parse_file): Call start_source_file
2793         and end_source_file at the approriate times.
2794
2795         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2796         the main file, it will be done for us now.
2797
2798 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2799
2800         * fold-const.c (fold_ternary): New.
2801         (fold): Call fold_ternary on ternary expressions.  Remove
2802         handling of ternary expressions.
2803
2804 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2805
2806         PR tree-optimization/15784
2807         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2808         and -1 - A to ~A.
2809
2810 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2811
2812         * config/rs6000/predicates.md (branch_comparison_operator):
2813         Convert from C block to conditional format.
2814
2815 2005-03-03  Jan Hubicka  <jh@suse.cz>
2816
2817         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2818         and non-constant public variables.
2819
2820 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2821
2822         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2823         with LABEL_EXPR.
2824
2825         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2826         EDGE_I.
2827
2828         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2829         calls to release_ssa_name and release_phi_node.
2830
2831         * fold-const.c (fold): Remove handling of unary expressions.
2832
2833         * fold-const.c (fold_unary): Avoid directly using the original
2834         expression t as much as possible.
2835
2836 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2837             Andrew Pinski  <pinskia@physics.uc.edu>
2838
2839         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2840         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2841
2842 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2843
2844         Describe special registers SRP and MOF as allocatable registers.
2845         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2846         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2847         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2848         TARGET_HAS_MUL_INSNS.
2849         (cris_print_operand) <case 'd'>: New case.
2850         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2851         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2852         define.
2853         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2854         (REG_ALLOC_ORDER): Update for MOF.
2855         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2856         SPECIAL_REGS.
2857         (GENERAL_REGS): No longer a define of ALL_REGS.
2858         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2859         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2860         Adjust accordingly.
2861         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2862         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2863         (SECONDARY_RELOAD_CLASS): Define.
2864         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2865         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2866         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2867         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2868         (REGISTER_MOVE_COST): Define.
2869         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2870         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2871         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2872         (CRIS_MOF_REGNUM): New define_constants.
2873         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2874         special registers.
2875         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2876         New patterns.
2877         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2878         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2879         Adjust for MOF being properly described as a register.
2880         (indir_to_reg_split): Name this split.  Conditionalize on the
2881         destination register being a general register.
2882         (movei): Conditionalize on on operands 0 and 1 having the same
2883         register class.
2884
2885 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2886
2887         PR target/20277
2888         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2889         -mcpu to override any other explicitly given flags.
2890
2891 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2892
2893         * recog.c (verify_changes, confirm_change_group): New functions,
2894         broken out of apply_change_group.
2895         (apply_change_group): Use them.
2896         * recog.h (verify_change, confirm_change_group): Declare.
2897         * rtl.h (redirect_jump_2): Declare.
2898         * jump.c (redirect_exp, invert_exp): Delete.
2899         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2900         (redirect_jump_2): New function, broken out of redirect_jump.
2901         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2902         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2903         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2904
2905 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2906
2907         * varasm.c (named_section): Use xstrdup rather than doing it by
2908         hand.
2909
2910         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2911
2912 2005-03-02  Devang Patel  <dpatel@apple.com>
2913
2914         Undo PR tree-optimization/18815 fix.
2915
2916 2005-03-02  Devang Patel  <dpatel@apple.com>
2917
2918         PR tree-optimization/18815
2919         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2920         loops with zero exit edges.
2921
2922 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2923
2924         * cfg.c (connect_src, connect_dest, disconnect_src,
2925         disconnct_dest): New.
2926         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2927         redirect_edge_pred): Use the new functions.
2928
2929         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2930         free_dominance_info only when needed.
2931
2932 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2933
2934         PR target/20276
2935         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2936         (reg_or_sub_cint64_operand): Same.
2937
2938 2005-03-02  Jeff Law  <law@redhat.com>
2939
2940         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2941         CFG_ALTERED in the main DOM iteration loop.
2942
2943 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2944
2945         PR c++/19916
2946         * varasm.c (initializer_constant_valid_p): Allow conversions
2947         between OFFSET_TYPEs.  Tidy.
2948
2949 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2950
2951         * config/cris/cris.md ("return"): Remove epilogue delay list
2952         sanity check.
2953
2954 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2955
2956         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2957         for Thumb.
2958         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2959
2960 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2961
2962         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2963         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2964         config/m68k/m68k.c, config/mips/mips.h,
2965         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2966         doc/include/gcc-common.texi: Update copyright.
2967
2968         PR middle-end/18029 and PR middle-end/18030
2969         * expr.c (optimize_bitfield_assignment_op): Add a special case
2970         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2971
2972         * fold-const.c (fold_unary): New.
2973         (fold): Call fold_unary on unary expressions.
2974
2975 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2976
2977         * cgraph.h (struct cgraph_edge): Add prev_caller and
2978         prev_callee fields.
2979         (cgraph_node_remove_callees): Export.
2980         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2981         and prev_callee.
2982         (cgraph_edge_remove_callee): New function.
2983         (cgraph_edge_remove_caller): Likewise.
2984         (cgraph_remove_edge): Use.
2985         (cgraph_redirect_edge_callee): Likewise.
2986         (cgraph_node_remove_callees): New function.
2987         (cgraph_node_remove_callers): Likewise.
2988         (cgraph_remove_node): Use.
2989         * tree-optimize.c (tree_rest_of_compilation): Use
2990         cgraph_node_remove_callees instead of manual loop.
2991         * cgraphunit.c (cgraph_finalize_function): Likewise.
2992         (cgraph_expand_function): Likewise.
2993         (cgraph_remove_unreachable_nodes): Likewise.
2994
2995 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2996
2997         PR c/8927
2998         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2999         argument.
3000         * c-decl.c (undeclared_variable): Take location as argument.
3001         * c-typeck.c (build_external_ref): Likewise.
3002         * c-parser.c (c_parser_postfix_expression): Pass location of
3003         identifier to build_external_ref.
3004
3005 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3006
3007         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
3008         CCEQ mode for branch_positive_comparison_operator test.
3009         * config/rs6000/predicates (branch_comparison_operator): Revert to
3010         define_predicate.
3011         (scc_comparison_operator): Same.
3012         (branch_positive_comparison_operator): Same.
3013
3014 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
3015
3016         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
3017         (cris_delay_slots_for_epilogue): Remove.
3018         (save_last): Move into cris_target_asm_function_epilogue.
3019         (cris_target_asm_function_epilogue): Remove tests for file being
3020         NULL.
3021         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
3022         (cris_delay_slots_for_epilogue): Remove prototypes.
3023         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
3024         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
3025
3026 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
3027
3028         * config/rs6000/predicates.md (branch_comparison_operator): Change
3029         to define_special_predicate.
3030         (scc_comparison_operator): Same.
3031         (branch_positive_comparison_operator): Same.
3032
3033 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
3034
3035         * Makefile.in (tree-ssa-sink.o): New.
3036         (OBJS-common): Add tree-ssa-sink.o.
3037         * common.opt: Add -ftree-sink
3038         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
3039         * timevar.def (TV_TREE_SINK): new timevar.
3040         * tree-flow.h (is_hidden_global_store): Prototype.
3041         * tree-optimize.c (init_tree_optimization_passes): Add
3042         pass_sink_code.
3043         * tree-pass.h (pass_sink_code): New.
3044         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
3045         for non-obvious global store store to is_hidden_global_store, and
3046         call that new function.
3047         * tree-ssa-sink.c: New file.
3048         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
3049         * doc/passes.texi: Document forward store motion.
3050         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
3051         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
3052         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
3053         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
3054
3055 2005-03-01  Per Bothner  <per@bothner.com>
3056
3057         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
3058         and we have a non-zero column-number, add it to the message.
3059         Also factor out the diagnostic_kind_text.
3060
3061 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3062
3063         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
3064         flow_loop_pre_header_scan, flow_loop_pre_header_find,
3065         flow_loop_scan): Removed.
3066         (flow_loop_dump): Do not dump removed fields.
3067         (flow_loop_free): Do not free removed fields.
3068         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
3069         (loop_exit_edge_p): New function.
3070         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
3071         num_pre_header_edges, entry_edges, num_entries, exit_edges,
3072         num_exits, exits_doms.
3073         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
3074         LOOP_EDGES, LOOP_ALL): Removed.
3075         (flow_loop_scan): Declaration removed.
3076         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
3077         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
3078         flow_loops_find.
3079         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
3080         (if_convert): Call flow_loops_find and flow_loops_free
3081         when calling mark_loop_exit_edges.
3082         * cfgloopanal.c (mark_loop_exit_edges): Moved from
3083         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
3084         free_dominance_info calls.
3085         * loop-init.c (flow_loops_find): Ditto.
3086         * passes.c (rest_of_handle_branch_prob): Ditto.
3087         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
3088         * loop-unroll.c (analyze_insns_in_loop): Do not use
3089         EDGE_LOOP_EXIT.
3090         * predict.c (predict_loops): Do not call flow_loop_scan.
3091         Use get_loop_exit_edges.
3092         (tree_estimate_probability): Do not pass flags to flow_loops_find.
3093         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
3094         Do not use EDGE_LOOP_EXIT.
3095         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
3096         to bb_with_exit_edge_p.
3097         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
3098         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
3099         to bb_with_exit_edge_p.
3100         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
3101         EDGE_LOOP_EXIT.
3102         * tree-loop-linear.c (linear_transform_loops): Do not call
3103         flow_loop_scan.  Use loop->single_exit.
3104         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
3105         (vect_analyze_loop_form): Do not call flow_loop_scan.
3106         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
3107         loop->single_exit.
3108         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
3109         loop->single_exit.
3110         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
3111         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3112         slpeel_tree_duplicate_loop_to_edge_cfg,
3113         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
3114         Use loop_preheader_edge and loop->single_exit.  Do not call
3115         flow_loop_scan.
3116
3117 2005-03-01  Nick Clifton  <nickc@redhat.com>
3118
3119         * config/arm/arm.c (thumb_find_work_register): Check all of the
3120         argument registers to see if they are free, and a couple of
3121         special cases where the last argument register but can be proved
3122         to be available during the function's prologue.
3123         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
3124         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
3125         thumb_unexpanded_epilogue): Use unsigned long as the type for the
3126         register bit-mask.
3127         (thumb_compute_save_reg_mask): Likewise.  Also use
3128         thumb_find_work_register() to ensure that there is agreement about
3129         which work register is going to be used in the prologue.
3130         (thumb_output_function_prologue): Use unsigned long as the type
3131         for the register bit-mask.  Also delay pushing the link register if
3132         other high registers are going to be pushed.
3133         (thumb_compute_save_reg_mask, emit_multi_reg_push,
3134         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
3135         redundant prototypes.
3136
3137 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
3138
3139         PR target/19819
3140         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
3141         and after reload in REG+REG indexed addresses without REG_POINTER
3142         set in the base and not set in the index.
3143
3144 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3145
3146         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
3147         Don't undefine here.
3148         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
3149         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
3150         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
3151         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
3152         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
3153         Delete.
3154         * config.gcc (sh*-*-linux*): Use config/linux.h.
3155
3156 2005-02-28  Dale Johannesen  <dalej@apple.com>
3157             Stan Shebs  <shebs@apple.com>
3158
3159         Rewrite of 64-bit Darwin structure-by-value pass/return.
3160         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
3161         intoffset, use_stack, named.
3162         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
3163         (rs6000_darwin64_record_arg_advance_flush):  New.
3164         (rs6000_darwin64_record_arg_advance_recurse): New.
3165         (rs6000_darwin64_record_arg_flush):  New.
3166         (rs6000_darwin64_record_arg_recurse):  New.
3167         (rs6000_darwin64_record_arg):  New.
3168         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
3169         (function_arg_boundary):  Handle 128-bit aligned structs.
3170         (function_arg_advance):  Rewrite darwin64 struct handling.
3171         (function_arg):  Call rs6000_darwin64_record_arg.
3172         (function_arg_partial_nregs):  Handle darwin64 structs.
3173         (rs6000_darwin64_function_value):  Remove.
3174         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
3175
3176 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3177
3178         PR tree-optimization/20216
3179         * tree-chrec.c (tree_fold_factorial): Delete.
3180         (tree_fold_binomial): Change argument list to take a return type
3181         and change the type of K to unsigned int.  Rewrite to avoid explicit
3182         evaluation of factorials, and (recursively) calling fold to perform
3183         compile-time arithmetic.  Return NULL on (internal) overflow.
3184         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
3185         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
3186         if any intermediate calculation overflows.
3187         (chrec_apply): Update call to chrec_evaluate.
3188
3189 2005-02-28  James E Wilson  <wilson@specifixinc.com>
3190
3191         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
3192
3193 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
3194
3195         PR c/20245
3196         * c-parser.c (c_parser_compound_statement): Return error_mark_node
3197         instead of NULL_TREE on error.
3198
3199 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
3200
3201         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
3202         (EASY_VECTOR_15_ADD_SELF): Remove.
3203         (num_insns_constant_wide): Not static.
3204         (validate_condition_mode): Not static.
3205         (toc_relative_expr_p): Not static.
3206         (legitimate_indirect_address_p): Not static.
3207         (macho_lo_sum_memory_operand): Not static.
3208         (invalid_e500_subreg): Not static.
3209         (easy_vector_same): Not static.
3210         (easy_vector_splat_const): Not static.
3211         (RS6000_SYMBOL_REF_TLS_P): Remove.
3212         (any_operand): Delete.
3213         (any_parallel_operand): Delete.
3214         (count_register_operand): Delete.
3215         (altivec_register_operand): Delete.
3216         (xer_operand): Delete.
3217         (s8bit_cint_operand): Delete.
3218         (short_cint_operand): Delete.
3219         (u_short_cint_operand): Delete.
3220         (non_short_cint_operand): Delete.
3221         (exact_log2_cint_operand): Delete.
3222         (gpc_reg_operand): Delete.
3223         (cc_reg_operand): Delete.
3224         (cc_reg_not_cr0_operand): Delete.
3225         (reg_or_short_operand): Delete.
3226         (reg_or_neg_short_operand): Delete.
3227         (reg_or_aligned_short_operand): Delete.
3228         (reg_or_u_short_operand): Delete.
3229         (reg_or_cint_operand): Delete.
3230         (reg_or_arith_cint_operand): Delete.
3231         (reg_or_add_cint64_operand): Delete.
3232         (reg_or_sub_cint64_operand): Delete.
3233         (reg_or_logical_cint_operand): Delete.
3234         (got_operand): Delete.
3235         (got_no_const_operand): Delete.
3236         (easy_fp_constant): Delete.
3237         (easy_vector_constant): Delete.
3238         (easy_vector_constant_add_self): Delete.
3239         (zero_constant): Delete.
3240         (zero_fp_constant): Delete.
3241         (volatile_mem_operand): Delete.
3242         (offsettable_mem_operand): Delete.
3243         (mem_or_easy_const_operand): Delete.
3244         (add_operand): Delete.
3245         (non_add_cint_operand): Delete.
3246         (logical_operand): Delete.
3247         (non_logical_cint_operand): Delete.
3248         (mask_operand): Delete.
3249         (mask_operand_wrap): Delete.
3250         (mask64_operand): Delete.
3251         (mask64_2_operand): Delete.
3252         (and64_operand): Delete.
3253         (and64_2_operand): Delete.
3254         (and_operand): Delete.
3255         (reg_or_mem_operand): Delete.
3256         (lwa_operand): Delete.
3257         (symbol_ref_operand): Delete.
3258         (call_operand): Delete.
3259         (current_file_function_operand): Delete.
3260         (input_operand): Delete.
3261         (rs6000_nonimmediate_operand): Delete.
3262         (rs6000_tls_symbol_ref): Delete.
3263         (save_world_operation): Delete.
3264         (restore_world_operation): Delete.
3265         (load_multiple_operation): Delete.
3266         (store_multiple_operation): Delete.
3267         (vrsave_operation): Delete.
3268         (mfcr_operation): Delete.
3269         (mtcrf_operation): Delete.
3270         (lmw_operation): Delete.
3271         (stmw_operation): Delete.
3272         (branch_comparison_operator): Delete.
3273         (branch_positive_comparison_operator): Delete.
3274         (scc_comparison_operator): Delete.
3275         (trap_comparison_operator): Delete.
3276         (boolean_operator): Delete.
3277         (boolean_or_operator): Delete.
3278         (min_max_operator): Delete.
3279         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
3280         (EASY_VECTOR_15): Moved to here.
3281         (EASY_VECTOR_15_ADD_SELF): Move to here.
3282         (PREDICATE_CODES): Delete.
3283         * config/rs6000/rs6000-protos.h: Delete predicate functions.
3284         Declare functions no longer static.
3285         * config/rs6000/predicates.md: New.
3286         * config/rs6000/rs6000.md: Include predicates.md
3287
3288 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
3289
3290         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
3291         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
3292         REG_ALWAYS_RETURN.
3293         * cfgrtl.c (need_fake_edge_p): Likewise.
3294         * combine.c (distribute_notes): Likewise.
3295         * emit-rtl.c (try_split): Likewise.
3296         * recog.c (peephole2_opimize): Likewise.
3297         * reg-notes.def (ALWAYS_RETURN): Remove.
3298         * rtl.h (LCT_ALWAYS_RETURN): Remove.
3299         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
3300         * tree.h (ECF_ALWAYS_RETURN): Remove.
3301
3302 2005-02-28  Roger Sayle  <roger@eyesopen.com>
3303
3304         PR middle-end/19874
3305         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
3306         between different machine modes is never a "useless" conversion.
3307
3308 2005-02-28  Geert Bosch  <bosch@gnat.com>
3309
3310         PR ada/15977
3311         * doc/contrib.texi: List contributors for Ada front end
3312
3313 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
3314
3315         * simplify-rtx.c (simplify_unary_operation_1,
3316         simplify_const_unary_operation): New, extracted from...
3317         (simplify_unary_operation): ... this one.
3318         (simplify_binary_operation_1,
3319         simplify_const_binary_operation): New, extracted from...
3320         (simplify_binary_operation): ... this one.
3321         * rtl.h (simplify_const_unary_operation,
3322         simplify_const_binary_operation): Add prototypes.
3323
3324 2005-02-28  Julian Brown  <julian@codesourcery.com>
3325
3326         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
3327         building libjava and caused PR regression/20228.
3328
3329 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
3330
3331         PR bootstrap/17383
3332         * Makefile.in (host_subdir): New.
3333         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
3334         * configure: Regenerate.
3335
3336 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
3337
3338         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
3339         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
3340         installation directory first.
3341
3342 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
3343
3344         PR target/19065.
3345         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
3346         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
3347         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
3348         * config/cris/cris.md: Tweak comments referring to Q.
3349         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
3350         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
3351         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
3352         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
3353         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
3354         Insert spaces in constraints to align alternatives vertically for
3355         readability.
3356         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
3357         operand 1: "M".
3358
3359 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3360
3361         PR rtl-optimization/17728
3362         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
3363         operand 0 from general_operand to move_dest_operand.
3364
3365 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3366
3367         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
3368         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
3369         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
3370         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
3371
3372 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
3373
3374         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
3375         * configure: Regenerate.
3376         * libada-mk.in: Remove CC; rename
3377         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
3378
3379 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3380
3381         PR tree-opt/20188
3382         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3383         for the lhs, also walk over the tree.  Likewise for rhs.
3384
3385 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3386
3387         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3388         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3389         Do not propagate value of iv before increment over the increment.
3390
3391 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3392
3393         * c-parser.c: New file.
3394         * c-parse.in: Remove.
3395         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3396         Remove.
3397         (c-parser.o): Add dependencies.
3398         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3399         maintainer-clean, TAGS): Update.
3400         * c-config-lang.in (gtfiles): Update.
3401         * gengtype-lex.l: Don't handle "@@".
3402         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3403         objc_build_synchronized, objc_begin_try_stmt,
3404         objc_begin_catch_clause, objc_finish_catch_clause,
3405         objc_build_finally_clause, objc_finish_try_stmt): New.
3406         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3407         type_seen_p.
3408         (c_parse_init): Update comment.
3409         * c-decl.c (c_init_decl_processing): Update comment.
3410         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3411         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3412         new c_declspecs members.
3413
3414 2005-02-25  Julian Brown  <julian@codesourcery.com>
3415
3416         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3417         from being used for symbols with vague linkage when
3418         HAVE_GAS_COMDAT_GROUP is true.
3419
3420 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3421
3422         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3423
3424 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3425
3426         PR target/19930
3427         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3428         (LIBGCC2_HAS_DF_MODE): New.
3429         (LIBGCC2_HAS_XF_MODE): New.
3430         (LIBGCC2_HAS_TF_MODE): New.
3431         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3432         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3433         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3434         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3435         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3436         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3437         and add _fixtfdi, _fixunstfdi, _floatditf
3438         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3439         L_fixunstfdi, L_floatditf.
3440         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3441         (LIBGCC2_HAS_TF_MODE): Define.
3442
3443 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3444
3445         PR tree-optimization/20204
3446         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3447         REWRITE_THIS_STMT markers on PHI nodes.
3448         (rewrite_initialize_block): Likewise.
3449
3450 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3451
3452         * version.c (version_string): Update to 4.1.
3453
3454 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3455
3456         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3457         Clarify that the alternative way doesn't work in GNU C++.
3458
3459 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3460
3461         PR tree-optimization/19937
3462         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3463         to the type of the induction variable.
3464
3465 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3466
3467         PR rtl-optimization/20117
3468         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3469         the block including noncopyable insn.
3470
3471 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3472
3473         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3474         calls to find_reg_note.
3475
3476 2005-02-24  Richard Henderson  <rth@redhat.com>
3477
3478         PR tree-opt/20127
3479         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3480         the type.
3481
3482 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3483
3484         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3485         vector types if to use base reg for misaligned non-word ld/std.
3486
3487 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3488
3489         PR target/14619
3490         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3491         dwarf2 label manually and put it after, not before the prologue.
3492
3493 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3494
3495         PR target/19019
3496         * reload.c (operands_match_p): Only increment register number for
3497         SCALAR_INT_MODE_P modes in multiple hard registers.
3498
3499         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3500         Fix formatting.
3501
3502 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3503
3504         * ChangeLog.5: Fix log message typo(s).
3505         * ChangeLog.7: Likewise.
3506         * ChangeLog.tree-ssa: Likewise.
3507         * cfgexpand.c: Fix comment typo(s).
3508         * conflict.c: Likewise.
3509         * defaults.h: Likewise.
3510         * dwarf2out.c: Likewise.
3511         * gcse.c: Likewise.
3512         * ggc-page.c: Likewise.
3513         * tree-eh.c: Likewise.
3514         * tree-ssa-dom.c: Likewise.
3515
3516 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3517
3518         PR target/19019
3519         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3520         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3521         if SHARED is defined.
3522
3523         PR target/20196
3524         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3525         allow splitting only if operands 0 and 3 don't overlap.
3526
3527 2005-02-24  Richard Henderson  <rth@redhat.com>
3528
3529         PR middle-end/19953
3530         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3531         (fold_builtin_1): Call them.
3532         * fold-const.c (fold_complex_mult_parts): Split out from ...
3533         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3534         (fold_complex_div_parts, fold_complex_div): New.
3535         (fold): Use them.
3536         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3537
3538 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3539
3540         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3541         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3542
3543         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3544         (print_node): Likewise.
3545         Print TYPE_SIZES_GIMPLIFIED.
3546
3547 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3548
3549         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3550         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3551         operands as commutative in constraints.
3552
3553 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3554
3555         * tree-into-ssa.c: Re-organize internal functions.
3556
3557 2005-02-24  Richard Henderson  <rth@redhat.com>
3558
3559         PR middle-end/18902
3560         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3561         for c99.
3562         * common.opt (fcx-limited-range): New.
3563         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3564         * toplev.c (flag_complex_method): Initialize to 1.
3565         (process_options): Set flag_complex_method to 0 if
3566         flag_cx_limited_range.
3567         * doc/invoke.texi (-fcx-limited-range): New.
3568
3569 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3570
3571         * cse.c (delete_trivially_dead_insns): Speed up by using
3572         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3573         prev_real_insn.
3574
3575 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3576
3577         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3578         functions when -mid-shared-library is being used.
3579
3580 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3581
3582         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3583         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3584         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3585         * system.h: Poison LINK_LIBGCC_SPECIAL.
3586
3587 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3588
3589         * gengtype.c (note_insn_name): Make 1 element larger.
3590
3591 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3592
3593         PR target/20018
3594         PR rtl-optimization/20097
3595         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3596         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3597
3598 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3599
3600         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3601         * t-aix52 (SHLIB_INSTALL): Same.
3602
3603 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3604
3605         * genpreds.c: Update copyright.
3606
3607 2005-02-23  Michael Beach  <michaelb@ieee.org>
3608
3609         PR target/20159
3610         * config/sparc/t-elf (startup files): Assemble with CPP.
3611
3612 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3613
3614         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3615         (write_predicate_expr): Likewise.
3616
3617 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3618
3619         PR tree-optimization/20100
3620         PR tree-optimization/20115
3621         * tree-optimize.c (init_tree_optimization_passes): Remove
3622         pass_maybe_create_global_var.
3623         * tree-pass.h (pass_maybe_create_global_var): Remove.
3624         * tree-ssa-alias.c (aliases_computed_p): Declare.
3625         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3626         (count_calls_and_maybe_create_global_var): Remove.
3627         (pass_maybe_create_global_var): Remove.
3628         (init_alias_info): Do not declare aliases_computed_p.
3629         (maybe_create_global_var): If the function contains no
3630         call-clobbered variables and a mix of pure/const and regular
3631         function calls, create .GLOBAL_VAR.
3632         Mark all call-clobbered variables for renaming.
3633         (merge_pointed_to_info): Update comment.
3634         (add_pointed_to_var): Likewise.
3635         (is_escape_site): Likewise.
3636         Accept struct alias_info * instead of size_t *.
3637         Update all users.
3638         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3639         as necessary.
3640         * tree-ssa-operands.c (get_call_expr_operands): If
3641         ALIASES_COMPUTED_P is false, do not add call-clobbering
3642         operands.
3643         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3644         (delete_tree_ssa): Likewise.
3645
3646 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3647
3648         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3649         (do_compile): Do call it here.
3650
3651 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3652
3653         PR rtl-optimization/20017.
3654         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3655         rest_of_handle_cse2, rest_of_handle_gcse): Call
3656         delete_dead_jumptables immediately before calling cleanup_cfg.
3657
3658 2005-02-22  Devang Patel  <dpatel@apple.com>
3659
3660         PR 19952
3661         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3662         all labels
3663
3664 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3665
3666         * config/rs6000/aix.h (WINT_TYPE): Define.
3667
3668 2005-02-22  Stan Shebs  <shebs@apple.com>
3669
3670         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3671         natural alignment for 64-bit Darwin.
3672         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3673         on 64-bit Darwin.
3674         * doc/invoke.texi: Document this.
3675
3676 2005-02-22  DJ Delorie  <dj@redhat.com>
3677
3678         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3679         to make_[un]signed_type, not the mode itself.
3680
3681 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3682
3683         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3684         not available.  Use tail calls wherever possible.
3685         (make_edge): Call unchecked_make_edge to create an edge.
3686
3687         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3688         (coalesce_ssa_name): Don't check for
3689         SSANORM_USE_COALESCE_LIST.
3690         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3691
3692 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3693
3694         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3695         (rewrite_into_ssa): ... here.
3696
3697 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3698
3699         PR tree-optimization/19786
3700         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3701         tag to another's may-alias bitmap when adding to the other's list.
3702
3703 2005-02-21  DJ Delorie  <dj@redhat.com>
3704
3705         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3706         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3707         registers in unsupported ways.
3708         * expmed.c (init_expmed): Likewise.
3709
3710 2005-02-21  Stan Cox  <scox@redhat.com>
3711
3712         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3713
3714 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3715
3716         * tree-cfg.c (fold_cond_expr_cond): New.
3717         (make_edges): Call fold_cond_expr_cond.
3718         (find_taken_edge): Accept nothing but INTEGER_CST.
3719         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3720         and 1.
3721         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3722
3723         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3724         that do not belong to any basic block.
3725
3726 2005-02-21  Jeff Law  <law@redhat.com>
3727
3728         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3729         e->dest.
3730
3731 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3732
3733         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3734         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3735         Adjust their definitions.
3736         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3737         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3738
3739         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3740         genautomata.c, langhooks.c, langhooks.h, system.h,
3741         config/arm/lib1funcs.asm: Update copyright.
3742
3743 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3744
3745         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3746
3747 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3748
3749         PR bootstrap/13770
3750         * doc/install.texi: Document --with-gc.
3751
3752 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3753
3754         * simplify-rtx.c (simplify_unary_operation): Add a missing
3755         "break" statement.
3756
3757 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3758
3759         PR tree-optimization/18663
3760         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3761         if the type has variable bounds.
3762
3763 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3764
3765         * gcse.c: Remove an obsolete comment.
3766
3767         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3768
3769 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3770
3771         * doc/extend.texi (Function Attributes) <Attribute const>: The
3772         attribute "pure" is below this text, not above.
3773
3774 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3775
3776         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3777         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3778         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3779
3780 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3781
3782         PR 18785
3783         * langhooks.h (struct lang_hooks): Add to_target_charset.
3784         * langhooks.c (lhd_to_target_charset): New function.
3785         * langhooks-def.h: Declare lhd_to_target_charset.
3786         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3787         (LANG_HOOKS_INITIALIZER): Update.
3788         * c-common.c (c_common_to_target_charset): New function.
3789         * c-common.h: Declare it.
3790         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3791         c_common_to_target_charset.
3792
3793         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3794         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3795         Delete definitions.
3796         * system.h: Poison them.
3797         * doc/tm.texi: Don't discuss them.
3798         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3799         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3800         (pp_c_char): Do not attempt to generate letter escapes for
3801         newline, tab, etc.
3802         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3803         * config/mips/mips.c (mips_output_ascii): Likewise.
3804
3805 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3806
3807         PR tree-optimization/19951
3808         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3809         is abnormal.
3810
3811 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3812
3813         PR middle-end/19698
3814         * function.h (struct function): New field `max_loop_depth'.
3815         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3816         (flow_loops_find): Reset the max loop depth count before finding loops.
3817         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3818         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3819         (calculate_global_regs_live): Make sure the loop will terminate
3820         when the initial sets are not empty.
3821
3822 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3823
3824         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3825         object inside.
3826         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3827
3828 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3829
3830         PR other/19525
3831         * doc/invoke.texi: Remove documentation of %M spec.
3832         * gcc.c: Likewise.
3833         (init_spec): Remove %M suffix from -lgcc_s.
3834         (do_spec_1): Remove 'M' case.
3835         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3836         to put shared libraries in the multilib directory.  Remove the
3837         shlib_so_soname substitution variable.  Don't add a multilib encoding
3838         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3839         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3840         SHLIB_INSTALL as well as SHLIB_LINK.
3841         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3842         (SHLIB_NAME): Delete.
3843         (SHLIB_DIR): New macro.
3844         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3845         (SHLIB_INSTALL): Adjust accordingly.
3846         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3847         * config/t-slibgcc-sld: Likewise.
3848         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3849         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3850         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3851         in $(SHLIB_DIR).
3852         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3853         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3854         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3855         Use @shlib_base_name@ instead of @shlib_so_name@.
3856         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3857         and @shlib_base_name@.so in @multilib_dir@.
3858         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3859         to the install path.
3860         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3861         (SHLIB_LINK): Remove previous workaround.
3862         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3863         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3864         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3865         the install path.
3866         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3867         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3868         (SHLIB_INSTALL): Adjust accordingly.
3869         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3870         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3871         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3872         config/t-slibgcc-elf-ver.
3873
3874 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3875             Jakub Jelinek  <jakub@redhat.com>
3876
3877         PR tree-optimization/19828
3878         * tree-ssa-loop-im.c: Add a TODO comment.
3879         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3880         without side-effects.
3881
3882 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3883
3884         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3885         call fold_convert.
3886
3887 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3888
3889         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3890         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3891         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3892         functions.
3893         (ia64_reorg): Delete fixup_errata call.
3894         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3895         (TARGET_SWITCHES): Delete -mb-step entry.
3896
3897 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3898
3899         PR c/20043
3900         * c-typeck.c (composite_type): Handle quals in transparent unions.
3901         (type_lists_compatible_p): Likewise.
3902
3903 2005-02-18  Stan Shebs  <shebs@apple.com>
3904
3905         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3906         expressions in the .literal8 section.
3907
3908 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3909
3910         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3911
3912 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3913
3914         * fold-const.c (constant_boolean_node): Always create values of the
3915         specified type, don't bother calling truthvalue_conversion.
3916
3917 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3918
3919         * except.c (output_function_exception_table): Call
3920         assemble_external_libcall (eh_personality_libfunc).
3921
3922 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3923
3924         PR target/19886
3925         * config/ia64/ia64.h (struct machine_function): Add state_num.
3926         * config/ia64/ia64.c (process_epilogue,
3927         process_for_unwind_directive): Use new unwind state numbers each
3928         time rather than state 1.
3929
3930 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3931
3932         PR target/20054
3933         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3934         before the "*llgt_didi" pattern.
3935
3936 2005-02-18  Jason Merrill  <jason@redhat.com>
3937
3938         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3939
3940 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3941
3942         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3943         (div0): Use it in place of ARM_FUNC_ALIAS.
3944         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3945
3946 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3947
3948         PR middle-end/20030
3949         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3950         access, the lower bound of the array type if it exists.
3951
3952 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3953
3954         PR c++/20008
3955         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3956         cases that are out-of-range for the index type.
3957
3958 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3959
3960         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3961         (estimate_case_costs): Don't call convert.
3962         * expmed.c (expand_shift): Likewise.
3963         (make_tree): Call fold_convert instead of convert.
3964
3965 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3966
3967         PR c++/19813
3968         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3969         that ref to be marked MEM_READONLY_P doesn't have base that needs
3970         constructing.
3971
3972 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3973
3974         * genautomata.c (output_get_cpu_unit_code_func,
3975         output_cpu_unit_reservation_p): Don't generate old-style function
3976         definitions.
3977
3978 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3979
3980         PR c++/20023
3981         PR tree-optimization/20009
3982         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3983
3984         PR tree-optimization/18947
3985         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3986         inline, remove all nodes that are inlined into the extern inline
3987         being redefined.
3988
3989 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3990
3991         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3992         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3993         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3994         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3995         Update copyright.
3996
3997 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3998
3999         PR tree-optimization/19917
4000         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
4001         to be potentially trapping.
4002
4003 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
4004
4005         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
4006
4007 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4008
4009         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
4010         tem becomes a local variable which is set to the value of the
4011         back end defined INITIAL_FRAME_ADDRESS macro.
4012         (expand_builtin_frame_address): Omit the base parameter to
4013         expand_builtin_return_addr.
4014         (expand_builtin_profile_func): Likewise.
4015         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
4016         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
4017         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
4018
4019 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
4020
4021         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
4022         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
4023         * config/frv/frv.c (frv_function_epilogue): Likewise.
4024
4025 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
4026
4027         * lambda-code (perfect_nestify): Remove mark/unmark
4028         for rewriting hack.
4029         * tree-loop-linear.c (linear_transform_loops): Add
4030         rewrite_into_ssa call so that ssa is correct for
4031         rewriting into loop closed.
4032
4033 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
4034
4035         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
4036         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
4037         BITMAP_FREE.
4038         * bt-load.c (btr_def_live_range, combine_btr_defs,
4039         migrate_btr_def, migrate_btr_defs): Likewise.
4040         * cfgcleanup.c (thread_jump): Likewise.
4041         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
4042         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
4043         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
4044         df_rd_local_compute, df_reg_info_compute): Likewise.
4045         * dominance.c (init_dom_info, free_dom_info): Likewise.
4046         * flow.c (init_propagate_block_info,
4047         free_propagate_block_info): Likewise.
4048         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
4049         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
4050         modify_reg_pav): Likewise.
4051         * loop-invariant.c (find_defs, find_invariant_insn,
4052         find_invariants, free_inv_motion_data): Likewise.
4053         * predict.c (tree_predict_by_opcode,
4054         estimate_bb_frequencies): Likewise.
4055         * stmt.c (expand_case): Likewise.
4056         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
4057         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
4058         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
4059         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
4060         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
4061         rewrite_ssa_into_ssa): Likewise.
4062         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4063         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
4064         analyze_edges_for_bb, perform_edge_inserts): Likewise.
4065         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
4066         * tree-sra.c (tree_sra): Likewise.
4067         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
4068         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4069         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
4070         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4071         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
4072         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
4073         Likewise.
4074         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
4075         calculate_live_on_entry, calculate_live_on_exit,
4076         build_tree_conflict_graph): Likewise.
4077         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
4078         record_important_candidates, set_use_iv_cost, find_depends,
4079         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
4080         tree_ssa_iv_optimize_finalize): Likewise.
4081         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
4082         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
4083         tree_duplicate_loop_to_header_edge): Likewise.
4084         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
4085         * tree-ssa.c (verify_flow_insensitive_alias_info,
4086         verify_name_tags, verify_ssa, init_tree_ssa,
4087         delete_tree_ssa): Likewise.
4088         * tree-ssanames.c (marked_ssa_names, init_ssanames,
4089         fini_ssanames): Likewise.
4090         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
4091
4092 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
4093
4094         * config/rs6000/t-rtems: Completely reworked.
4095
4096 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4097
4098         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
4099
4100 2005-02-17  Ira Rosen  <irar@il.ibm.com>
4101
4102         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
4103         POINTER_TYPE_P when checking that type is a pointer.
4104         (vect_get_memtag): Remove.
4105         (vect_address_analysis): Use POINTER_TYPE_P. Call
4106         vect_object_analysis with dummy parameter for memtag.
4107         (vect_object_analysis): Extract memtag (functionality that
4108         used to be in vect_get_memtag and moved here). Fix printings.
4109         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
4110         with correct parameters. Remove call to vect_get_memtag.
4111
4112 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
4113
4114         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
4115         (tree-vectorizer.o): Added missing dependencies.
4116
4117         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
4118         decleration.
4119         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
4120         declaration in tree-vectorizer.c, now has an extern declaration in
4121         tree-vectorizer.h).
4122         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4123         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4124         get_vectype_for_scalar_type, vect_is_simple_use,
4125         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4126         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
4127         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
4128         vectorizable_store, vectorizable_operation, vectorizable_assignment,
4129         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
4130         find_loop_location): Likewise.
4131
4132         * tree-vectorizer.c (langhooks.h): #include removed.
4133         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
4134         moved to tree-vectorized.h.
4135         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
4136         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
4137         get_vectype_for_scalar_type, vect_is_simple_use,
4138         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
4139         vect_supportable_dr_alignment, new_loop_vec_info,
4140         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
4141         vect_set_verbosity_level, find_loop_location): Likewise.
4142
4143         (vect_analyze_loop): Function externalized. Declaration moved to
4144         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
4145         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
4146         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
4147         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
4148         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
4149         vect_enhance_data_refs_alignment, vect_analyze_operations,
4150         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
4151         vect_stmt_relevant_p, vect_get_loop_niters,
4152         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
4153         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
4154         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
4155         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
4156         vect_get_memtag): Likewise.
4157
4158         (vectorizable_load): Function externalized. Declaration moved to
4159         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
4160         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
4161         vect_transform_loop): Likewise.
4162         (vect_transform_stmt): Moved to tree-vect-transform.c.
4163         (vect_align_data_ref, vect_create_destination_var,
4164         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
4165         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
4166         vect_get_vec_def_for_operand, vect_init_vector,
4167         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
4168         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
4169         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
4170         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
4171         vect_do_peeling_for_loop_bound): Likewise.
4172
4173         * tree-vect-analyze.c: New file.
4174         * tree-vect-transform.c: New file.
4175
4176 2005-02-17  Jason Merrill  <jason@redhat.com>
4177
4178         PR mudflap/19319, c++/19317
4179         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
4180         slot explicit.
4181
4182 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
4183
4184         * doc/install.texi (Specific): Update link for Darwin-specific
4185         tool binary site.
4186
4187 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
4188
4189         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
4190         constant_boolean_node.
4191
4192 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
4193
4194         PR target/19019
4195         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
4196         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
4197
4198 2005-02-16  Richard Henderson  <rth@redhat.com>
4199
4200         PR 19920
4201         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
4202         with W_TYPE_SIZE.
4203         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
4204         replace uses with Wtype_MAXp1_F.
4205         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
4206         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
4207         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
4208         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
4209         and HAVE_TFMODE as appropriate.
4210         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
4211         (__floatdisf): Likewise.
4212         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
4213         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
4214         (Wtype_MAXp1_F): New.
4215         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
4216         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
4217
4218 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
4219
4220         * PR target/19162
4221         * arm.c (arm_apply_result_size): New function.
4222         * arm.h (APPLY_RESULT_SIZE): Define.
4223         * arm-protos.h (arm_apply_result_size): Add prototype.
4224         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
4225         (movxf): New expand.
4226         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
4227         (call_value_symbol): Remove predicate for operand 0.
4228         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
4229         (untyped_call): Rework to correclty return values for any type.
4230         (untyped_return): New expand.
4231         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
4232
4233 2005-02-16  Stan Shebs  <shebs@apple.com>
4234
4235         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
4236         * config/rs6000/t-darwin8: New, for 64-bit multilib.
4237
4238 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4239
4240         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
4241         configure settings on Solaris 7 and later.
4242
4243 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
4244
4245         PR tree-optimization/19865
4246         * tree-optimize.c (init_tree_optimization_passes): Run
4247         pass_may_alias after pass_sra.
4248
4249 2005-02-16  Richard Henderson  <rth@redhat.com>
4250             Stuart Hastings  <stuart@apple.com>
4251
4252         PR debug/19521
4253         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
4254         Do nothing if debug info suppressed for this function.
4255         (dbxout_begin_function): Early exit if debug info suppressed for
4256         this function.
4257
4258 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
4259
4260         PR target/20007
4261         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
4262         find_basic_blocks.
4263         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4264
4265         PR tree-optimization/19967
4266         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
4267         expand_builtin_strchr, expand_builtin_strrchr): Take a new
4268         argument TYPE.  Adjust calls to fold_builtin_XXX.
4269         (expand_builtin, fold_builtin_1): Adjust calls to
4270         expand_builtin_XXX.
4271         (fold_builtin_strchr, fold_builtin_strpbrk,
4272         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
4273         result to a requested type TYPE.
4274
4275 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
4276
4277         PR middle-end/19857
4278         * fold-const.c (fold): Don't optimize (T)(x & cst) to
4279         (T)x & (T)cst if (T)cst overflows.
4280         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
4281         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
4282
4283 2005-02-15  Jeff Law  <law@redhat.com>
4284
4285         * gcse.c (blocks_with_calls): New bitmap.
4286         (alloc_gcse_mem): Allocate it.
4287         (free_gcse_mem): Free it.
4288         (clear_modifY_mem_tables): Clear it.
4289         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
4290         when we encounter CALL_INSNs.
4291         (compute_transp, case MEM): Handle blocks with calls separate
4292         from blocks without calls.  Use bitmap iterators rather than
4293         FOR_EACH_BB.
4294
4295 2005-02-15  Peter O'Gorman  <peter@pogma.com>
4296
4297         PR bootstrap/18810
4298         * mklibgcc.in (vis_hide): Use a temporary object file, not
4299         -o /dev/null.
4300
4301 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
4302
4303         PR target/19924
4304         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
4305         access optimization.
4306
4307 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
4308             Alan Modra  <amodra@bigpond.net.au>
4309
4310         PR target/19019
4311         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
4312         (_xlqsub): Rename to __gcc_qsub.
4313         (_xlqmul): Rename to __gcc_qmul.
4314         (_xlqdiv): Rename to __gcc_qdiv.
4315         Provide versioned symbol aliases with old names.
4316         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
4317         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
4318         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
4319         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
4320         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
4321
4322 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4323
4324         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
4325         Fold ~(A - 1) and ~(A + -1) to -A.
4326
4327 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
4328
4329         PR pch/14940
4330         PR target/19300
4331         * config/host-linux.c (linux_gt_pch_use_address): Copy from
4332         config/pa/pa-host.c:pa_gt_pch_use_address.
4333
4334 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
4335
4336         * tree-vn.c (get_value_handle): Make sure that given an
4337         is_gimple_min_invariant expression, we always return it.
4338
4339 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4340
4341         * passes.c (rest_of_handle_gcse): Fix a comment.
4342
4343 2005-02-15  Jeff Law  <law@redhat.com>
4344
4345         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
4346         bitmap.
4347         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
4348         (canon_list_insert, record_last_mem_set_info): Similarly.
4349         (clear_modify_mem_tables): Similarly.
4350
4351 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
4352
4353         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
4354         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
4355         config/mips/mips.md, config/rs6000/aix.h,
4356         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
4357
4358 2005-02-15  Richard Henderson  <rth@redhat.com>
4359
4360         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
4361         call to be best_edge.
4362
4363 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4364
4365         * basic-block.h: Adjust the prototype for find_basic_blocks.
4366         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
4367         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
4368         find_basic_blocks.
4369
4370         * flow.c (recompute_reg_usage): Remove all arguments.
4371         * passes.c (rest_of_compilation): Adjust the call to
4372         recompute_reg_usage.
4373         * rtl.h: Adjust the prototype for recompute_reg_usage.
4374
4375 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
4376
4377         * tree-dump.c (dump_files): Update to reflect new member
4378         of dump_file_info.
4379         (dump_register): Add new argument.
4380         Set glob name.
4381         (dump_switch_p_1): Check against glob name if doglob was passed.
4382         (dump_switch_p): Check against regular first, then glob if
4383         we didn't have any hits on the dump name.
4384         * tree-optimize.c (register_one_dump_file):
4385         Pass in glob name as well.
4386         * tree-pass.h (struct dump_file_info): Add glob
4387         member.
4388
4389 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4390
4391         PR preprocessor/16323
4392         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4393
4394 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4395
4396         PR target/19019
4397         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4398         (trunctfdf2_internal1): New.
4399         (trunctfdf2_internal2): Renamed from trunctfdf2.
4400
4401 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4402
4403         PR tree-optimization/19853
4404         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4405
4406 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4407
4408         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4409         delete_dead_jumptables and cleanup_cfg.
4410
4411 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4412
4413         * reload.c (find_reloads): Swap address_reloaded flags when
4414         swapping commutative operands.
4415
4416 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4417
4418         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4419         Use standard_iv_increment_position for computing the bsi position
4420         for create_iv.
4421         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4422         the bsi position.
4423
4424 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4425
4426         PR target/17428
4427         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4428         life range of hard registers.
4429         * value-prof.c (insn_prefetch_values_to_profile): Only
4430         scan normal insns.
4431
4432         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4433         profile in libcalls.
4434
4435 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4436
4437         * bitmap.h (bitmap_and_compl_into): Return bool.
4438         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4439
4440 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4441
4442         PR tree-optimization/19944
4443         * fold-const.c (fold): Re-add ABS_EXPR folding.
4444
4445 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4446
4447         PR target/19019
4448         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4449         {TARGET,MASK}_XL_COMPAT.
4450         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4451         MASK_XL_COMPAT.
4452         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4453         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4454         TARGET_XL_COMPAT.
4455         (rs6000_arg_partial_bytes): Same.
4456         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4457         and XL compatibility enabled.
4458         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4459         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4460         test to final condition.
4461         (cmptf_internal2): New.
4462         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4463         xl-compat.  Add TFmode information to description.
4464
4465 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4466
4467         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4468
4469 2005-02-13  Jason Merrill  <jason@redhat.com>
4470
4471         PR c++/16405
4472         * fold-const.c (fold_indirect_ref_1): Split out from...
4473         (build_fold_indirect_ref): Here.
4474         (fold_indirect_ref): New fn.
4475         * tree.h: Declare it.
4476         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4477         (gimplify_modify_expr_rhs): Likewise.
4478         (gimplify_expr): Likewise.
4479
4480 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4481
4482         PR tree-optimization/14303
4483         PR tree-optimization/15784
4484         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4485         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4486         ABS_EXPR<x> != 0 to x != 0.
4487
4488 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4489
4490         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4491         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4492         spelling conventions.
4493
4494         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4495         delete_trivially_dead_insns too many times.
4496
4497         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4498         tem and tem2.
4499
4500 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4501
4502         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4503         (vect_is_simple_iv_evolution): Remove redundant parameter
4504         and step check.
4505         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4506         without last parameter.
4507         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4508         Return pointer step. Call vect_is_simple_iv_evolution without
4509         last parameter. Check only that the step is multiple of size
4510         type. Remove stmt_vinfo updates.
4511         (vect_get_memtag_and_dr): Remove.
4512         (vect_get_memtag): New function.
4513         (vect_address_analysis): New function.
4514         (vect_object_analysis): New function.
4515         (vect_analyze_data_refs): Call vect_object_analysis and
4516         vect_get_memtag. Update stmt_vinfo fields.
4517
4518 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4519
4520         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4521         exist and are objects. Remove checks for pointer.
4522         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4523         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4524         (vect_create_data_ref_ptr): Likewise.
4525         (vect_base_addr_differ_p): New function.
4526         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4527         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4528         Don't set the DR_BASE_NAME field of data-ref.
4529         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4530
4531 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4532
4533         * optabs.h (enum optab_index): Add new OTI_ldexp.
4534         (ldexp_optab): Define corresponding macro.
4535         * optabs.c (init_optabs): Initialize ldexp_optab.
4536         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4537         patterns.
4538         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4539         using ldexp_optab.
4540         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4541         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4542
4543         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4544         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4545         intrinsics.
4546
4547 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4548
4549         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4550         to base_address.
4551         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4552         stmt_vec_info.
4553         (vect_get_base_and_offset): Always return an address.
4554         (vect_create_addr_base_for_vector_ref): Remove treatment for
4555         different data reference types.
4556         (vect_compute_data_ref_alignment): Rename base to base_address in
4557         stmt_vec_info. Get the object in order to force its alignment.
4558         (vect_get_memtag_and_dr): Rename base to base_address in
4559         stmt_vec_info. Extract the object for memtag analysis.
4560
4561 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4562
4563         PR regression/19898.
4564         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4565         changes cc_status, use apply modified_in_p to part of cc_status
4566         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4567         body.
4568
4569 2005-02-11  Richard Henderson  <rth@redhat.com>
4570
4571         * tree-complex.c (expand_complex_libcall): New.
4572         (expand_complex_multiplication): Use it for c99 compliance.
4573         (expand_complex_division): Likewise.
4574         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4575         (fold): Call them.
4576         * builtins.c (built_in_names): Remove const.
4577         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4578         builtins.
4579         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4580         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4581         (built_in_names): Remove const.
4582         * c-common.c (c_common_type_for_mode): Handle complex modes.
4583         * flags.h, toplev.c (flag_complex_method): Rename from
4584         flag_complex_divide_method.
4585         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4586         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4587         * libgcc2.h: Declare them.
4588         * libgcc-std.ver: Export them.
4589         * mklibgcc.in (lib2funcs): Build them.
4590
4591 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4592
4593         PR tree-optimization/19876
4594         Partially revert my change from 2005-01-14
4595         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4596         (compute_antic): ...and remove the loop here.
4597
4598 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4599
4600         PR middle-end/19858
4601         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4602         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4603
4604         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4605         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4606
4607 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4608
4609         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4610         offsets for the big-endian 32-bit case.
4611
4612 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4613
4614         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4615
4616 2005-02-11  Dale Johannesen  <dalej@apple.com>
4617
4618         * cselib.c (cselib_process_insn):  Clear out regs where
4619         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4620         * reload.c (find_equiv_reg): Ditto.
4621
4622 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4623
4624         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4625         with no elements.
4626
4627         * tree.c (build_function_type_list): Work correctly if there are
4628         no arguments.
4629
4630 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4631
4632         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4633         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4634         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4635         TARGET_ZARCH instead of TARGET_64BIT.
4636
4637 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4638
4639         * config/rs6000/t-rtems:
4640         (MULTILIB_OPTIONS): Remove mcpu=602.
4641         (MUTLILIB_DIRNAMES): Remove m602.
4642         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4643         Let mcpu=602 match mcpu=603.
4644         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4645
4646 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4647
4648         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4649         signal trampolines.
4650
4651 2005-02-10  David Daney  <ddaney@avtrex.com>
4652
4653         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4654         * config/i386/linux-unwind.h: Likewise.
4655         * config/ia64/linux-unwind.h: Likewise.
4656         * config/mips/linux-unwind.h: Likewise.
4657         * config/pa/linux-unwind.h: Likewise.
4658         * config/rs6000/linux-unwind.h: Likewise.
4659         * config/s390/linux-unwind.h: Likewise.
4660         * config/sh/linux-unwind.h: Likewise.
4661         * config/sparc/linux-unwind.h: Likewise.
4662
4663 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4664
4665         PR tree-optimization/17549
4666         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4667         TER to replace a DEF with its expression if the DEF and the
4668         rhs of the expression we replace into have the same root
4669         variable.
4670
4671 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4672
4673         * config/mips/mips.md: Fix the placement of the match_scratch in the
4674         lea64 peephole2.
4675
4676 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4677
4678         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4679         Fix comment typos.
4680
4681 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4682
4683         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4684         (strip_offset): Handle addresses.
4685         (add_address_candidates): Use strip_offset.
4686         (difference_cost): Reflect strip_offset change.
4687         (force_var_cost, difference_cost): Strip nops.
4688
4689 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4690
4691         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4692
4693         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4694         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4695         config/cris/cris-protos.h, config/cris/cris.c: Update
4696         copyright.
4697
4698 2005-02-10  Jeff Law  <law@redhat.com>
4699
4700         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4701         (lookup_avail_expr): Similarly.
4702
4703 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4704
4705         * builtins.c (fold_builtin_powi): New function.
4706         (fold_builtin_1): Call it.
4707
4708 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4709
4710         PR documentation/19309
4711         * doc/cpp.texi: The __GNUC__ and related predefined macros
4712         are also defined for the "standalone" cpp.
4713         Some non-GCC compilers may also define __GNUC__.
4714
4715 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4716
4717         PR c/19342
4718         * c-typeck.c (common_type): New routine.  Old common_type renamed
4719         to...
4720         (c_common_type): ...this.
4721         (build_conditional_expr, build_binary_op): Use c_common_type instead
4722         of common_type.
4723
4724 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4725
4726         * doc/md.texi: Replace @samp{length} with @code{length}.
4727
4728 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4729
4730         PR tree-optimization/18687
4731         * tree-flow.h (find_loop_niter): Declare.
4732         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4733         Try using scev even for loops with more than one exit.
4734         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4735         (struct ivopts_data): Added niters field.
4736         (struct nfe_cache_elt): New.
4737         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4738         functions.
4739         (tree_ssa_iv_optimize_init): Initialize niters cache.
4740         (determine_number_of_iterations): Removed.
4741         (find_induction_variables): Do not call determine_number_of_iterations.
4742         Access niters for single exit through niter_for_single_dom_exit.
4743         (add_iv_outer_candidates): Access niters for single exit through
4744         niter_for_single_dom_exit.
4745         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4746         number_of_iterations_cond.
4747         (iv_period): New function.
4748         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4749         (may_replace_final_value): Take data argument.  Use
4750         niter_for_single_dom_exit.
4751         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4752         (rewrite_use_compare): Pass data to may_eliminate_iv.
4753         (rewrite_use_outer): Pass data to may_replace_final_value.
4754         (free_loop_data): Clean up the niters cache.
4755         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4756         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4757         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4758         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4759         (num_ending_zeros): Moved to tree.c.
4760         * tree.h (num_ending_zeros): Declare.
4761         * tree.c (num_ending_zeros): Moved from tree.c.
4762
4763 2005-02-09  Richard Henderson  <rth@redhat.com>
4764
4765         * builtins.c (DEF_BUILTIN): Add COND argument.
4766         * tree.h (DEF_BUILTIN): Likewise.
4767         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4768         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4769         match.
4770         (DEF_BUILTIN_STUB): New.
4771         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4772         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4773         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4774         * c-common.c (DEF_BUILTIN): Add COND argument.
4775         * tree.c (local_define_builtin): New.
4776         (build_common_builtin_nodes): New.
4777
4778 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4779
4780         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4781         floating point expression ignoring the sign of the result.
4782         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4783         (fold) <MULT_EXPR>: Use it to simplify x*x.
4784         * tree.h (fold_strip_sign_ops): Prototype here.
4785         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4786         argument.  Use fold_strip_sign_ops to simplify the first argument.
4787         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4788         first argument when the second argument is an even integer
4789         constant, but only with -funsafe_math_optimizations.
4790         (fold_builtin_1): Update call to fold_builtin_copysign.
4791
4792 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4793
4794         PR middle-end/19583
4795         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4796         just check whether EH_FILTER_FAILURE falls through.
4797
4798 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4799
4800         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4801         insns return to ready list in the next turn.
4802
4803 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4804
4805         PR middle-end/19402
4806         * builtins.def: New __builtin_powi[lf].
4807         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4808         (expand_builtin_powi): New function.
4809         (expand_builtin): Dispatch to expand_builtin_powi.
4810         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4811         * libgcc2.c: Add __builtin_powi[lf] implementation.
4812         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4813         * optabs.h: Add powi_optab.
4814         * optabs.c (init_optabs): Initialize powi_optab.
4815         * doc/extend.texi: Document __builtin_powi[lf].
4816
4817 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4818
4819         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4820         exists.
4821
4822 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4823
4824         PR middle-end/19854
4825         * fold-const.c (try_move_mult_to_index): Remove redundant
4826         type argument.  Create ADDR_EXPR with correct type.
4827         (fold): Update callers of try_move_mult_to_index.  Convert
4828         result to the appropriate type.
4829
4830 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4831
4832         PR target/19597
4833         * config/avr/avr.c (default_rtx_costs): Delete.
4834         (avr_operand_rtx_cost): New function.
4835         (avr_rtx_costs): Completely rewrite.
4836
4837 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4838
4839         PR target/19806
4840         * config/cris/cris.c (in_code): New variable.
4841         (cris_output_addr_const): Now a static function, a wrapper for
4842         output_addr_const.
4843         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4844         case from old cris_output_addr_const.
4845         (cris_asm_output_label_ref): Similar for LABEL_REF.
4846         (cris_output_addr_const_extra): Similar for UNSPEC.
4847         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4848         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4849         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4850         declaration.
4851         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4852         (cris_asm_output_label_ref): Declare.
4853
4854 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4855
4856         PR preprocessor/19801
4857         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4858         filenames that changed when libcpp was moved to the toplevel.
4859
4860 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4861
4862         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4863         zero extensions of BImode operands.  Call lowpart_subreg instead
4864         of gen_lowpart_common and gen_lowpart_SUBREG.
4865
4866 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4867
4868         PR ada/19489
4869         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4870         * configure.ac: Set cc_for_cross_gnattools.
4871         * configure: Regenerate.
4872
4873 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4874
4875         PR target/19803
4876         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4877
4878 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4879
4880         PR debug/19327
4881         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4882         of nested functions.
4883
4884 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4885
4886         * doc/extend.texi: Document deprecated extensions allowing
4887         static floating-point members to have initializers and allowing
4888         floating-point literals in integral constant expressions.
4889
4890 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4891
4892         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4893         config/darwin7.h, config/mips/mips.c,
4894         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4895         Update copyright.
4896
4897         * cse.c: Update comments.
4898
4899 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4900
4901         PR middle-end/19775
4902         * builtins.c (fold_builtin_sqrt): Transform
4903         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4904         pow(x,y*0.5).
4905
4906 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4907             Dorit Naishlos  <dorit@il.ibm.com>
4908
4909         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4910         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4911         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4912         was added.
4913         * tree.h (vect_set_verbosity_level): New extern function declaration
4914         added.
4915         * tree-vectorizer.h (verbosity_levels): New enum type.
4916         * tree-vectorizer.c (vect_debug_stats): Function removed.
4917         (vect_debug_details): Likewise.
4918         (vect_verbosity_level): Global variable was defined and initialized.
4919         (vect_dump): Global variable definition.
4920         (vect_print_dump_info): New function.
4921         (vect_set_dump_settings): New function.
4922         (vect_set_verbosity_level): New function.
4923         (vectorize_loops): Add call to vect_set_dump_settings.
4924
4925         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4926         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4927         (slpeel_tree_peel_loop_to_edge): Likewise.
4928
4929         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4930         appropriate verbosity level instead of call to vect_debug_details
4931         or vect_debug_stats.
4932         (vect_get_base_and_offset):
4933         (vect_create_addr_base_for_vector_ref):
4934         (get_vectype_for_scalar_type):
4935         (vect_create_data_ref_ptr):
4936         (vect_init_vector):
4937         (vect_get_vec_def_for_operand):
4938         (vect_finish_stmt_generation):
4939         (vectorizable_assignment):
4940         (vectorizable_operation):
4941         (vectorizable_store):
4942         (vectorizable_load):
4943         (vect_transform_stmt):
4944         (vect_update_ivs_after_vectorizer):
4945         (vect_do_peeling_for_loop_bound):
4946         (vect_update_inits_of_drs):
4947         (vect_do_peeling_for_alignment):
4948         (vect_transform_loop):
4949         (vect_is_simple_use):
4950         (vect_analyze_operations):
4951         (vect_is_simple_iv_evolution):
4952         (vect_analyze_scalar_cycles):
4953         (vect_analyze_data_ref_dependence):
4954         (vect_analyze_data_ref_dependences):
4955         (vect_compute_data_ref_alignment):
4956         (vect_enhance_data_refs_alignment):
4957         (vect_analyze_data_refs_alignment):
4958         (vect_analyze_data_ref_access):
4959         (vect_analyze_data_ref_accesses):
4960         (vect_analyze_pointer_ref_access):
4961         (vect_get_memtag_and_dr):
4962         (vect_analyze_data_refs):
4963         (vect_mark_relevant):
4964         (vect_stmt_relevant_p):
4965         (vect_mark_stmts_to_be_vectorized):
4966         (vect_can_advance_ivs_p):
4967         (vect_get_loop_niters):
4968         (vect_analyze_loop_form):
4969         (vect_analyze_loop):
4970         (vectorize_loops): Likewise.
4971
4972         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
4973         (vect_update_inits_of_drs):
4974         (vect_do_peeling_for_alignment):
4975         (vect_transform_loop):
4976         (vect_analyze_operations):
4977         (vect_analyze_scalar_cycles):
4978         (vect_analyze_data_ref_dependences):
4979         (vect_analyze_data_refs_alignment):
4980         (vect_analyze_data_ref_accesses):
4981         (vect_analyze_data_refs):
4982         (vect_mark_stmts_to_be_vectorized):
4983         (vect_get_loop_niters):
4984         (vect_analyze_loop_form):
4985         (vect_analyze_loop): Likewise.
4986         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
4987
4988 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
4989
4990         PR bootstrap/19796
4991         Revert:
4992         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4993         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4994         either -ffast-math or -funsafe-math-optimizations is in use.
4995
4996         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4997         * config/mips/irix-csr.c: New file.
4998         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4999         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5000         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5001         executables.
5002
5003 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
5004
5005         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
5006         redundant, incorrect definitions.
5007
5008         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
5009         expand.
5010         ("*tls_indirect_call"): New, reference hard regs directly.
5011         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
5012
5013 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5014
5015         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
5016         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
5017
5018 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5019
5020         PR rtl-optimization/19800
5021         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
5022         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
5023         gen_lowpart.
5024
5025 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
5026
5027         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
5028
5029 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
5030
5031         PR other/17135
5032         * doc/invoke.texi: Correct documentation of -freorder-functions.
5033
5034 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5035
5036         PR other/14402
5037         * doc/invoke.texi: Don't mention gccbug.
5038
5039 2005-02-06  Roger Sayle  <roger@eyesopen.com>
5040             Andrew Pinski  <pinskia@physics.uc.edu>
5041             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
5042
5043         * simplify-rtx.c (simplify_relational_operation_1): Simplify
5044         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
5045         into just (zero_extract:SI FOO (const_int 1) BAR).
5046
5047 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5048
5049         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
5050         macro locally.  Don't give last revision date.  Use GCC version
5051         number from gcc-common.texi.
5052         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
5053         revision date.  Use GCC version number from gcc-common.texi.
5054         Describe being a library as current state rather than as 3.x
5055         history.
5056         * doc/gcc.texi: Remove last update date.
5057         * doc/gccint.texi: Likewise.  Update copyright dates.
5058         * doc/install.texi: Update copyright dates.
5059
5060 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
5061
5062         PR other/7549
5063         * doc/invoke.texi: Mention for each option included in -Wall that
5064         it is included in -Wall.
5065         * doc/gcc.texi: Update copyright and last modification date.
5066
5067 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5068
5069         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
5070         unnecessary cast to original induction variable increments.
5071
5072 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
5073
5074         PR tree-optimization/18219
5075         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
5076         in distributed form.
5077
5078 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
5079
5080         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
5081         Set bitpos and offset later in the function.  Do nothing if the
5082         target is a register and if the bitfield lies completely outside
5083         that register.
5084         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
5085         here.  Return an uninitialised register if the source value is stored
5086         in a register and the bitfield lies completely outside that register.
5087
5088 2005-02-06  Steven Bosscher  <stevenb@suse.de>
5089
5090         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
5091         not SET_DEST.
5092
5093 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
5094
5095         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
5096
5097 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
5098
5099         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
5100         * config/darwin8.h: New.
5101         * config/darwin7.h: Update comment.
5102
5103 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5104             Dorit Naishlos  <dorit@il.ibm.com>
5105
5106         * tree-vectorizer.h (LOC): New type.
5107         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
5108         (loop_line_number): New field in struct _loop_vec_info.
5109         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
5110
5111         * tree-vectorizer.c (input.h): Included.
5112         (find_loop_location): New function.
5113         (vect_debug_stats): Argument changed from loop to LOC. Computation of
5114         loop line number removed.
5115         (vect_debug_details): Likewise.
5116         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
5117
5118         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
5119         call to vect_debug_details/stats changed from loop to loop_loc.
5120         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
5121         (slpeel_tree_peel_loop_to_edge): Likewise.
5122
5123         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
5124         changed from NULL to UNKNOWN_LOC.
5125         (vect_get_base_and_offset):
5126         (vect_create_addr_base_for_vector_ref):
5127         (get_vectype_for_scalar_type):
5128         (vect_create_data_ref_ptr):
5129         (vect_init_vector):
5130         (vect_get_vec_def_for_operand):
5131         (vect_finish_stmt_generation):
5132         (vectorizable_assignment):
5133         (vectorizable_operation):
5134         (vectorizable_store):
5135         (vectorizable_load):
5136         (vect_transform_stmt):
5137         (vect_update_ivs_after_vectorizer):
5138         (vect_do_peeling_for_loop_bound):
5139         (vect_do_peeling_for_alignment):
5140         (vect_transform_loop):
5141         (vect_is_simple_use):
5142         (vect_analyze_operations):
5143         (vect_is_simple_iv_evolution):
5144         (vect_analyze_scalar_cycles):
5145         (vect_analyze_data_ref_dependences):
5146         (vect_compute_data_ref_alignment):
5147         (vect_enhance_data_refs_alignment):
5148         (vect_analyze_data_ref_access):
5149         (vect_analyze_data_ref_accesses):
5150         (vect_analyze_pointer_ref_access):
5151         (vect_get_memtag_and_dr):
5152         (vect_analyze_data_refs):
5153         (vect_mark_relevant):
5154         (vect_stmt_relevant_p):
5155         (vect_mark_stmts_to_be_vectorized):
5156         (vect_can_advance_ivs_p):
5157         (vect_get_loop_niters):
5158         (vect_analyze_loop):
5159         (vectorize_loops): Likewise.
5160
5161         (vectorizable_load): Argument in call to vect_debug_details/stats
5162         changed from loop to LOOP_LOC (loop_vinfo).
5163         (vect_transform_loop):
5164         (vect_analyze_operations):
5165         (vect_analyze_scalar_cycles):
5166         (vect_analyze_data_ref_dependence):
5167         (vect_enhance_data_refs_alignment):
5168         (vect_analyze_data_ref_accesses):
5169         (vect_analyze_pointer_ref_access):
5170         (vect_analyze_data_refs):
5171         (vect_analyze_loop): Likewise.
5172
5173         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
5174         changed from loop to loop_loc.
5175
5176         (vect_enhance_data_refs_alignment): Removed unused variable loop.
5177
5178 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
5179             Dorit Naishlos  <dorit@il.ibm.com>
5180
5181         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
5182         declaration added.
5183         (vect_analyze_data_ref_dependences): Likewise.
5184
5185         (vect_is_simple_use): Argument changed from loop structure to
5186         loop_vect_info structure.
5187         (vect_can_advance_ivs_p): Likewise.
5188         (vect_create_index_for_vector_ref): Likewise.
5189         (vect_update_ivs_after_vectorizer): Likewise.
5190         (new_stmt_vec_info): Likewise.
5191
5192         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
5193         changed from loop to loop_vinfo.
5194         (vect_create_data_ref_ptr): First argument in call to
5195         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
5196         (vectorizable_assignment): Second argument in call to vect_is_simple_use
5197         was changed from loop to loop_vinfo.
5198         (vectorizable_operation): Likewise.
5199         (vectorizable_store): Likewise.
5200         (vect_mark_stmts_to_be_vectorized): Likewise.
5201         (vect_do_peeling_for_loop_bound): First argument in call to
5202         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
5203         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
5204         was changed from loop to loop_vinfo.
5205         (vect_analyze_data_ref_dependences): Third argument in call to
5206         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
5207
5208         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
5209         (vect_create_data_ref_ptr): Likewise.
5210         (vect_init_vector): Likewise.
5211         (vect_get_vec_def_for_operand): Likewise.
5212         (vectorizable_assignment): Likewise.
5213         (vectorizable_operation): Likewise.
5214         (vectorizable_store): Likewise.
5215         (vectorizable_load): Likewise.
5216         (vect_update_ivs_after_vectorizer): Likewise.
5217         (vect_is_simple_use): Likewise.
5218         (vect_analyze_data_ref_dependence): Likewise.
5219         (vect_analyze_pointer_ref_access): Likewise.
5220         (vect_can_advance_ivs_p): Likewise.
5221
5222         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
5223         before _stmt_vec_info.
5224         (_stmt_vec_info): Loop field replaced by loop_vec_info.
5225         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
5226         (new_stmt_vec_info): Argument changed from loop structure to
5227         loop_vect_info structure
5228
5229         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
5230         (vect_analyze_offset_expr): Avoid 80 columns overflow.
5231         (vect_create_addr_base_for_vector_ref): Likewise.
5232         (vect_analyze_pointer_ref_access): Likewise.
5233
5234 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5235
5236         PR tree-opt/19768
5237         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
5238         phi flag if the phi is abnormal.
5239
5240 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
5241
5242         PR tree-opt/19736
5243         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
5244         information for the new statement.
5245
5246 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5247
5248         PR driver/19117
5249         * gcc.c (main): Include the target in -v output.
5250
5251 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
5252
5253         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
5254         Do not drop the extend if we'd have to add a paradoxical subreg
5255         later.  Include optabs.h and insn-codes.h.
5256         * Makefile.in (combine.o): Depend on $(OPTABS_H).
5257
5258 2005-02-02  Roger Sayle  <roger@eyesopen.com>
5259
5260         PR middle-end/19405
5261         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
5262         * fold-const.c (const_binop): Avoid constant folding floating
5263         point operations in modes that use composite representations.
5264         * simplify-rtx.c (simplify_binary_operation): Likewise.
5265
5266 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
5267
5268         * config/rs6000/altivec.md (altivec_dst): Make the first operand
5269         a REG, not a MEM.
5270         (altivec_dstt): Likewise.
5271         (altivec_dstst): Likewise.
5272         (altivec_dststt): Likewise.
5273         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
5274         of first operand.
5275
5276 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5277
5278         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
5279         EXPR_LOCUS from orig_cond to the new cond_stmt.
5280         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
5281         the new vec_stmt.
5282
5283 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5284
5285         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
5286         standard_iv_increment_position. Remove call to bsi_next
5287         (no need to bump the iterator anymore).
5288         (vect_create_index_for_vector_ref): Call
5289         standard_iv_increment_position. Remove second function argument.
5290         (vect_finish_stmt_generation): Remove call to bsi_next
5291         (no need to bump the iterator anymore).
5292         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
5293         to vect_create_index_for_vector_ref.
5294
5295 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
5296
5297         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
5298         phis are used out of the loop.
5299
5300 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
5301
5302         PR c/17807
5303         * c-decl.c (undef_nested_function): New variable.
5304         (pop_scope): Diagnose undefined nested functions.
5305         (finish_function): Don't attempt cgraph processing or genericizing
5306         if current top-level function contained an undefined nested
5307         function.  Reset undef_nested_function at the end of a top-level
5308         function.
5309
5310 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
5311
5312         * tree.c (build_int_cst_type): Take sign of the value into account
5313         when deciding whether sign extend the value.
5314
5315 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5316
5317         PR c/18502
5318         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
5319         (cpp_options, cc1_options): Change %{std*&ansi} to
5320         %{std*&ansi&trigraphs}.
5321
5322 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5323
5324         * cse.c: Update comments.
5325
5326 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
5327
5328         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
5329         arguments go on the stack.  Do not put complex doubles in odd/even
5330         pairs.
5331
5332 2005-02-02  Steven Bosscher  <stevenb@suse.de>
5333
5334         * doc/invoke.texi: Update the options enabled at -O1, -O2,
5335         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
5336         -ftree-pre, and -fthread-jumps.
5337
5338 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
5339
5340         PR tree-optimization/19578
5341         * tree-flow.h (modified_noreturn_calls): Declare.
5342         (noreturn_call_p): Declare.
5343         * tree-flow-inline.h (noreturn_call_p): New function.
5344         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
5345         * tree-cfg.c (modified_noreturn_calls): New variable.
5346         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
5347         that contain a mid-block noreturn call.
5348         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
5349
5350 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
5351
5352         * df.c (df_def_record_1, df_uses_record): Don't use
5353         DF_FOR_REGALLOC.
5354         * df.h (DF_FOR_REGALLOC): Remove.
5355
5356 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5357
5358         PR c/19435
5359         * c-typeck.c (really_start_incremental_init): Reset
5360         constructor_max_index for arrays of incomplete type.
5361
5362 2005-02-02  Jeff Law  <law@redhat.com>
5363
5364         * gcse.c (struct reg_set): Store the block index where the register
5365         was set rather than the setting insn.
5366         (record_one_set, compute_transp): Corresponding changes.
5367         (pre_insert_copy_insn): Do not call replace_one_set.
5368         (replace_one_set): Remove.
5369
5370 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
5371
5372         PR other/15514
5373         * doc/gcov.texi: Fix typo.
5374
5375 2005-02-01  Richard Henderson  <rth@redhat.com
5376
5377         PR target/19680
5378         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
5379         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5380         type to bool.
5381         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5382         * config/i386/i386-protos.h: Update.
5383
5384 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5385
5386         PR tree-optimization/19217
5387         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5388         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5389         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5390         that it is walking a PHI node.
5391
5392 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5393
5394         * doc/extend.texi (Nested Functions): Update.
5395
5396 2005-02-01  Richard Henderson  <rth@redhat.com>
5397
5398         PR 19696
5399         * optabs.c (expand_copysign_absneg): Export.
5400         * optabs.h (expand_copysign_absneg): Declare.
5401         * config/rs6000/rs6000.md (copysigntf3): New.
5402
5403 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5404
5405         PR tree-optimization/19633
5406         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5407         * tree-ssa-alias.c (init_alias_info): Initialize.
5408         (merge_pointed_to_info): Set.
5409         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5410         (dump_points_to_info_for): Show value of pt_null.
5411         (struct count_ptr_d): Declare.
5412         (find_ptr_dereference): Remove.
5413         (ptr_is_dereferenced_by): Remove.
5414         (count_ptr_derefs): New local function.
5415         (count_uses_and_derefs): New local function.
5416         (compute_points_to_and_addr_escape): Call it.  If the number
5417         of dereferences is greater than zero, mark the pointer as
5418         dereferenced.  If there are fewer dereferences than uses of
5419         the pointer, the pointer's value escapes.
5420
5421 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5422
5423         PR tree-optimization/19670
5424         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5425         here...
5426         (verify_use): ... set it here, instead.
5427
5428 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5429
5430         * doc/sourcebuild.texi (Test directives): Fix formatting.
5431
5432         * doc/sourcebuild.texi (Test directives): Describe selector
5433         expressions.
5434
5435 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5436
5437         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5438         specific 64-bit CPUs.
5439
5440 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5441
5442         PR target/16201
5443         * arm.c (arm_eliminable_register): New function.
5444         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5445         HOST_WIDE_INT for address offsets.
5446         * arm-protos.h (arm_eliminable_register): Add prototype.
5447
5448 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5449
5450         PR optimization/15242
5451         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5452         * basic-block.h (duplicate_computed_gotos): Add prototype.
5453         * bb-reorder.c (duplicate_computed_gotos): New function to
5454         duplicate sufficiently small blocks ending in a computed jump.
5455         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5456         if not optimizing for size.
5457         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5458         never do tail merging for blocks ending in a computed jump.
5459         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5460
5461 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5462
5463         Patch from Richard Sandiford <rsandifo@redhat.com>
5464         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5465         from inheriting a subreg equivalence with a non-spill register.
5466
5467         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5468
5469 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5470
5471         * config/frv/frv.c (movcc_fp_destination_operand): New.
5472         (gpr_or_memory_operand): Fix typo in comment.
5473         (gpr_or_memory_operand_with_scratch): New.
5474         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5475         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5476         movcc_fp_destination_operand.
5477         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5478         Legitimize memory addresses using a scratch register.
5479
5480 2005-01-31  Jeff Law  <law@redhat.com>
5481
5482         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5483         bitmap a sparse bitmap instead of a simple bitmap.
5484         (mark_def_sites_initialize_block):  Corresponding changes.
5485         (ssa_mark_def_sites_initialize_block): Likewise.
5486         (ssa_mark_phi_uses): Likewise.
5487         (mark_def_site, ssa_mark_def_sites): Likewise.
5488         (mark_def_site_blocks): Likewise.
5489         (rewrite_ssa_into_ssa): Likewise.
5490
5491         * tree-ssa-dom.c (record_cond): Pass correct variable type
5492         for last argument to htab_find_slot_with_hash.
5493
5494         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5495         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5496
5497 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5498
5499         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5500         1_mmalua.
5501
5502 2005-02-01  Eric Christopher  <echristo@redhat.com>
5503
5504         * config/mips/mips.c (override_options): Warn if -mint64
5505         is used.
5506         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5507         deprecated.
5508
5509 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5510
5511         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5512         timestamp.
5513         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5514         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5515         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5516         (cached_regno): Initialize to INVALID_REGNUM.
5517         (cse_reg_info_table_size,
5518         cse_reg_info_table_first_uninitialized,
5519         cse_reg_info_timestamp): New.
5520         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5521         get_cse_reg_info.
5522         (init_cse_reg_info, get_cse_reg_info_1): New.
5523         (get_cse_reg_info): Cache the last look-up.
5524         (new_basic_block): Update the code to clear mappings from
5525         registers to cse_reg_info entries.
5526         (cse_main): Call init_cse_reg_info.
5527
5528         * cse.c (get_cse_reg_info): Update a comment.
5529
5530 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5531
5532         PR c/19333
5533         * c-decl.c (start_decl): Do not warn about arrays of elements with
5534         an incomplete type here.
5535         (grokdeclarator): Do it here by making a pedwarn an error.
5536         * c-typeck.c (push_init_level): If there were previous errors with
5537         the constructor type, do not warn about braces for initializers.
5538         (process_init_element): Likewise for excess initializer elements.
5539
5540 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5541
5542         * cse.c (delete_trivially_dead_insn): Don't iterate.
5543
5544 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5545
5546         * config/rs6000/rs6000.md (copysignsf3): New expand.
5547         (copysigndf3): Likewise.
5548
5549 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5550
5551         * recog.c (constrain_operands): Only look for earlyclobber operand
5552         conflicts if an '&' constraint was seen.
5553
5554 2005-01-31  Marc Espie <espie@openbsd.org>
5555
5556         * config.gcc: Don't include embedded systems fragment, switches default
5557         debugging format to ELF.
5558         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5559         longer pick it up there.
5560
5561 2005-01-31  Dale Johannesen  <dalej@apple.com>
5562
5563         * doc/extend.texi (nested functions): Fix linkage description.
5564         Clarify that static is not allowed.
5565
5566 2005-01-31  Dale Johannesen  <dalej@apple.com>
5567
5568         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5569         (movdf_low_di):  Make work.
5570
5571 2005-01-31  Dale Johannesen  <dalej@apple.com>
5572
5573         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5574         Make work for 64 bit.
5575
5576 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5577             Dale Johannesen  <dalej@apple.com>
5578
5579         PR middle-end/19650
5580         * fold-const.c (fold_binary_op_with_conditional_arg):
5581         Make types match original operands, before STRIP_NOPS.
5582
5583 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5584
5585         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5586         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5587         (struct gcc_sigcontext): Delete.  Merge contents to..
5588         (struct gcc_ucontext): ..here.
5589         (get_sigcontext): Delete.
5590         (get_regs): New function, like get_sigcontext but return regs ptr.
5591         64-bit version finds regs from r1 to support vdso.
5592         (ppc_linux_aux_vector): New function.
5593         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5594         and vector regs.
5595
5596 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5597
5598         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5599         sizetype.
5600         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5601         redundant fold. Fix misalignment for MINUS_EXPR.
5602         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5603         (vect_analyze_pointer_ref_access): Likewise.
5604         (vect_get_memtag_and_dr): Likewise.
5605
5606 2005-01-31  Richard Henderson  <rth@redhat.com>
5607
5608         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5609         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5610         absnegdf2_i387, absnegxf2_i387): Likewise.
5611
5612 2005-01-31  Richard Henderson  <rth@redhat.com>
5613
5614         PR 19696
5615         * optabs.c (expand_copysign_absneg): New.
5616         (expand_copysign_bit): Split out from ...
5617         (expand_copysign): ... here.  Use expand_copysign_absneg.
5618
5619 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5620
5621         PR middle-end/19697
5622         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5623         constant as the second operand and a register as the third.
5624
5625 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5626
5627         PR target/19704
5628         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5629         that dllimport'd functions do not use all call-clobbered registers
5630         to pass parameters.
5631
5632 2005-01-30  Richard Henderson  <rth@redhat.com>
5633
5634         PR 19696
5635         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5636         expand_abs_nojump and generalize.  Use operand_subword and
5637         emit_no_conflict_block.  Support large modes.
5638         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5639         back to maximum.
5640         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5641         negation to subtraction.
5642         (expand_copysign): Check that the format has signed zeros.
5643         Use operand_subword and emit_no_conflict_block.  Support large modes.
5644
5645 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5646
5647         Fix PR tree-optimization/19624
5648
5649         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5650         * tree-ssa-pre.c: Add cfgloop.h.
5651         Update comment.
5652         (pre_stats): New member, constified.
5653         (inserted_exprs): New static variable.
5654         (NECESSARY): New macro.
5655         (create_expression_by_pieces): Fold the expression, and
5656         mark it as defaulting to not necessary. Also put in
5657         inserted_exprs.
5658         (fully_constant_expression): New function.
5659         (insert_into_preds_of_block): Modify to not insert phis when we
5660         are playing with induction variables.
5661         Push phis onto the inserted_exprs vector, and mark them as not
5662         necessary by default.
5663         (insert_aux): Call fully_constant_expression on eprime.
5664         If all edges produce the same value, mark it constant.
5665         (mark_operand_necessary): New function.
5666         (remove_dead_inserted_code): New function.
5667         (init_pre): Init loop optimizer to get loop info.
5668         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5669         (execute_pre): Commit edge inserts, then remove dead code.
5670
5671 2005-01-30  Richard Henderson  <rth@redhat.com>
5672
5673         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5674         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5675
5676 2005-01-30  Richard Henderson  <rth@redhat.com>
5677
5678         PR target/19700
5679         * config/i386/i386.c (ix86_expand_copysign): New.
5680         (ix86_split_copysign_const): New.
5681         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5682         rearrange op1/nmask operands.
5683         * config/i386/i386-protos.h: Update.
5684         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5685         (copysigndf3): Likewise.
5686         (copysignsf3_const, copysigndf3_const): New.
5687         (copysignsf3_var): Rename from copysignsf3, split out splitter
5688         and fix split predicate for X constraint.
5689         (copysigndf3_var): Similarly.
5690
5691 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5692
5693         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5694         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5695         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5696
5697 2005-01-29  Richard Henderson  <rth@redhat.com>
5698
5699         PR target/19690
5700         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5701         of # and * in constraints.
5702
5703 2005-01-29  Richard Henderson  <rth@redhat.com>
5704
5705         PR middle-end/19689
5706         * expr.c (store_field): Don't strip sub-mode cast when the input
5707         data is even smaller.
5708
5709 2005-01-29  Richard Henderson  <rth@redhat.com>
5710
5711         PR middle-end/19687
5712         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5713         union being empty.
5714
5715 2005-01-29  Richard Henderson  <rth@redhat.com>
5716
5717         * combine.c (make_field_assignment): Fix argument order
5718         to gen_int_mode.
5719
5720 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5721
5722         PR tree-optimization/15791
5723         * fold-const.c (extract_array_ref): New function.
5724         (fold): Fold comparisons between &a[i] and &a[j] or
5725         semantically equivalent trees.
5726
5727 2005-01-29  Jeff Law  <law@redhat.com>
5728
5729         * gcse.c (insert_expr_in_table): Revamp handling of available
5730         and anticipatable occurrence lists to avoid unnecessary list
5731         walking.
5732         (insert_set_in_table): Similarly.
5733
5734 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5735
5736         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5737         build string type.
5738         (c_build_qualified_type): Build qualified array types with
5739         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5740         * c-decl.c (c_make_fname_decl): Build unqualified array type
5741         before qualified type.
5742         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5743         type is qualified, not just if type itself is.  Don't apply
5744         qualifiers to array type when declarator is processed.  Apply
5745         qualifiers to field type whether or not it is an array type.
5746         Don't handle array types specially for applying qualifiers to
5747         variables.
5748         * c-typeck.c (composite_type): Build unqualified element type and
5749         array type when forming composite of array types.
5750         (common_pointer_type, comptypes, comp_target_types,
5751         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5752         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5753         types.
5754         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5755         (args2) in variables a1 and a2.
5756
5757 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5758
5759         * cse.c (n_elements_made, max_elements_made): Remove.
5760         (insert): Don't touch n_elements_made.
5761         (cse_main): Don't touch n_elements_made or max_elements_made.
5762
5763 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5764
5765         PR target/15384
5766         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5767         configuration part of dp-bit.c to be lost.
5768
5769 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5770
5771         * expmed.c (expand_mult_highpart_optab): When attempting to use
5772         a non-widening multiplication in a wider mode, the operands need
5773         to be converted (zero or sign extended) to that mode.
5774
5775 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5776
5777         PR middle-end/16558
5778         PR middle-end/19583
5779         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5780         through if both operands fall through.
5781
5782 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5783
5784         * cse.c (fold_rtx) <PC>: Don't optimize.
5785
5786 2005-01-28  Jeff Law  <law@redhat.com>
5787
5788         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5789         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5790
5791 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5792
5793         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5794         cse_reg_info_used_list_end): Remove.
5795         (cse_reg_info_list, cse_reg_info_list_free): New.
5796         (get_cse_reg_info): When allocating an instance of
5797         cse_reg_info, add it to the beginning of the cse_reg_info_list
5798         list.  Remove code to maintain cse_reg_info_used_list.
5799         (new_basic_block): Reset the free list to the beginning of
5800         cse_reg_info_list.
5801
5802 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5803
5804         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5805         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5806         (frv_expand_mdpackh_builtin): New function.
5807         (frv_expand_builtin): Use it to expand __MDPACKH.
5808         * doc/extend.texi (__MDPACKH): Update documentation.
5809
5810 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5811
5812         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5813         SSE_FLOAT_MODE_P for use_sse computation.
5814
5815 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5816
5817         PR target/19663
5818         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5819
5820 2005-01-27  Richard Henderson  <rth@redhat.com>
5821
5822         * builtins.c (expand_builtin_copysign): New.
5823         (expand_builtin): Call it.
5824         * genopinit.c (optabs): Add copysign_optab.
5825         * optabs.c (init_optabs): Initialize it.
5826         (expand_copysign): New.
5827         * optabs.h (OTI_copysign, copysign_optab): New.
5828         (expand_copysign): Declare.
5829
5830         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5831         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5832
5833         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5834         (ix86_expand_fp_absneg_operator): ... here.
5835         (ix86_split_copysign): New.
5836         * config/i386/i386-protos.h: Update.
5837         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5838         (copysignsf3, copysigndf3): New.
5839
5840         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5841         (copysignsf3, ncopysignsf3): New.
5842         (copysigndf3, ncopysigndf3): New.
5843         (copysignxf3, ncopysignxf3): New.
5844         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5845
5846 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5847             Kazu Hirata  <kazu@cs.umass.edu>
5848
5849         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5850         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5851         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5852         NULL_RTX.
5853
5854 2005-01-27  Jeff Law  <law@redhat.com>
5855
5856         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5857         definitions of SSA_NAMEs which are not being rewritten.
5858         (rewrite_ssa_into_ssa): Only initialize the current definition
5859         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5860         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5861         SSA_NAMEs before returning.
5862
5863 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5864
5865         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5866         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5867         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5868         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5869         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5870
5871 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5872
5873         PR middle-end/17278
5874         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5875         higher to -O2 and higher.  Likewise for tree PRE.
5876         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5877         and better.
5878
5879 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5880
5881         PR middle-end/19583
5882         * gimple-low.c (try_catch_may_fallthru): New static function.
5883         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5884         * tree-inline.c (expand_call_inline): Don't warn about reaching
5885         the end of a non-void function being inlined if the function uses
5886         a return slot.
5887
5888 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5889
5890         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5891
5892         PR c/18946
5893         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5894         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5895         (implicitly_declare): Handle error_mark_node.
5896
5897 2005-01-27  Richard Henderson  <rth@redhat.com>
5898
5899         PR tree-opt/14329
5900         * tree.h (struct tree_decl): Add debug_expr_is_from.
5901         (DECL_DEBUG_EXPR_IS_FROM): New.
5902         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5903         * dwarf2out.c (dwarf2out_var_location): Update to match.
5904         * tree-outof-ssa.c (create_temp): Likewise.
5905         * var-tracking.c (track_expr_p): Likewise.
5906         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5907         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5908         * toplev.c (default_tree_printer): Likewise.
5909
5910 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5911
5912         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5913         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5914
5915 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5916
5917         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5918         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5919         ASM_CLOBBERS): Add tree checks.
5920
5921         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5922         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5923         * c-common.def (SWITCH_STMT): Update to match.
5924         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5925         macros instead of SWITCH_EXPR ones.
5926         * c-dump.c (c_dump_tree): Likewise.
5927         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5928         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5929
5930         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5931
5932 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5933
5934         * unwind-dw2.c (execute_stack_op): Add missing cases for
5935         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5936
5937 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5938
5939         * config.gcc (Obsolete configurations): Remove 'dummy', add
5940         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5941         sparc-*-openbsd*.
5942
5943 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5944
5945         PR tree-optimization/19633
5946         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5947         CALL_EXPRs.
5948         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
5949         are no call-clobbered variables.
5950         * tree-outof-ssa.c (check_replaceable): Return false for calls
5951         with side-effects.
5952
5953 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
5954
5955         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
5956         even for variables with NULL DECL_INITIAL.
5957
5958 2005-01-26  Stuart Hastings  <stuart@apple.com>
5959
5960         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
5961
5962 2005-01-26  Richard Henderson  <rth@redhat.com>
5963
5964         PR middle-end/18008
5965         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5966         field's type.
5967         * expr.c (store_field): Strip conversions to odd-bit-sized types
5968         if the destination field width matches.
5969
5970 2005-01-26  Richard Henderson  <rth@redhat.com>
5971
5972         * c-decl.c, expmed.c, expr.c: Revert last change.
5973
5974 2005-01-26  Richard Henderson  <rth@redhat.com>
5975
5976         PR middle-end/18008
5977         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5978         field's type.
5979         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
5980         if we don't need the bits above those present in the current mode.
5981         * expr.c (store_field): Strip conversions to odd-bit-sized types
5982         if the destination field width matches.
5983
5984 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5985
5986         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5987         either -ffast-math or -funsafe-math-optimizations is in use.
5988
5989 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5990
5991         PR target/19293
5992         PR target/19329
5993         * config/avr/avr.c (notice_update_cc): Only set condition code for
5994         ashrqi3 if shift count > 0.
5995         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
5996         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
5997         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
5998         count <= 0 as a no-op, and shift count >= width by copying zero
5999         or sign bit to all bits of the result.
6000         * config/avr/avr.md (all shifts): Add alternatives for zero shift
6001         count, with attribute "length" set to 0 and "cc" set to "none".
6002
6003 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6004
6005         * doc/invoke.texi: Document -mTLS.
6006
6007         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
6008         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
6009         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
6010         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
6011         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
6012         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
6013         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
6014         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
6015
6016         * configure.ac: Check for a TLS capable gas.
6017
6018         * configure: Regenerate.
6019
6020 2005-01-26  Richard Henderson  <rth@redhat.com>
6021
6022         PR middle-end/18008
6023         * combine.c (make_field_assignment): Simplify store to zero_extract
6024         from a source with an overlapping mask.
6025
6026 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
6027
6028         2004-11-11  Eric Christopher  <echristo@redhat.com>
6029
6030         * config/frv/frv.md: Add fr400_integer automaton. Don't
6031         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
6032         to TYPE_MACC.
6033
6034 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6035
6036         PR middle-end/16585
6037         * cfgbuild.c (make_edges): Do not clear or set
6038         current_function_has_computed_jump.
6039         * function.h (struct function): Remove the has_computed_jump field.
6040         (current_function_has_computed_jump): Do not define.
6041         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
6042         in a computed jump.  Ignore current_function_has_computed_jump.
6043
6044 2005-01-26  Richard Henderson  <rth@redhat.com>
6045
6046         PR middle-end/19515
6047         * expr.c (categorize_ctor_elements): New argument p_must_clear.
6048         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
6049         fully initialized.
6050         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
6051         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
6052         objects into static storage if they have more than one non-zero value.
6053         * tree.h (categorize_ctor_elements): Update decl.
6054
6055 2005-01-26  Steven Bosscher  <stevenb@suse.de>
6056
6057         PR middle-end/19616
6058         * tree.h (CALL_EXPR_TAILCALL): Add comment.
6059         * calls.c (check_sibcall_argument_overlap_1): Revert the change
6060         to this function from 2004-07-10.
6061         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
6062         the current function for tail call optimizations if the address
6063         of one of it its arguments is taken.
6064
6065 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
6066
6067         * cse.c (fold_rtx): Call equiv_constant only when necessary.
6068
6069 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
6070
6071         * function.c (expand_function_end): If current_function_calls_alloca,
6072         emit stack restore in a place that is reached when the function falls
6073         through at the end.
6074
6075 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
6076
6077         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
6078         rule to avoid matching inappropriate suffix rule.
6079
6080 2005-01-26  Jan Hubicka  <jh@suse.cz>
6081
6082         PR tree-optimization/19241
6083         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
6084
6085 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6086
6087         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
6088         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
6089         of doubling.
6090         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
6091         <sim*>: Always use crt1.o, regardless of N in simN.
6092         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6093         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
6094         (CRT_CALL_STATIC_FUNCTION): Remove.
6095         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
6096         use crt1.o, regardless of N in simN.
6097         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
6098         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
6099         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
6100         case isystem setting.
6101         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
6102
6103 2005-01-25  Ian Lance Taylor  <ian@airs.com>
6104
6105         * gimple-low.c (block_may_fallthru): Correct handling of
6106         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
6107
6108 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
6109
6110         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
6111         handlers to match indentation; nested under the mtune=* handler.
6112         Similar for mcpu= and march=.
6113
6114 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
6115
6116         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
6117         * config/mips/linux64.h (LIB_SPEC): Likewise.
6118         * config/mn10300/linux.h (LIB_SPEC): Likewise.
6119         * config/sh/linux.h (LIB_SPEC): Likewise.
6120
6121 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
6122
6123         * config/frv/frv.c (frv_legitimize_tls_address): New.
6124         (TARGET_HAVE_TLS): Define.
6125         (FRV_SYMBOL_REF_TLS_P): Define.
6126         (frv_override_options): Handle new register classes.
6127         (frv_legitimate_address_p): Reject tls addresses.
6128         (frv_legitimize_address): Handle TLS addresses.
6129         (gen_inlined_tls_plt): New.
6130         (gen_tlsmoff): New.
6131         (frv_legitimize_tls_address): New.
6132         (unspec_got_name): Add TLS entries.
6133         (got12_operand): Add R_FRV_TLSMOFF12 case.
6134         (frv_emit_move): Fixup TLS addresses.
6135         (frv_emit_movsi): Legitimize TLS addresses.
6136
6137         * config/frv/frv.h (MASK_BIG_TLS): New.
6138         (TARGET_BIG_TLS): New.
6139         (HAVE_AS_TLS): Define.
6140         (TARGET_SWITCHES): Add -mTLS and -mtls options.
6141         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
6142         (REG_CLASS_NAMES): Same.
6143         (REG_CLASS_CONTENTS): Same.
6144         (CONSTRAINT_LEN): New.
6145         (REG_CLASS_FROM_CONSTRAINT): New.
6146         (PREDICATE_CODES): Add symbolic_operand.
6147
6148         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
6149         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
6150         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
6151         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
6152         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
6153         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
6154         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
6155         GR9_REG, GR14_REG, LRREG.
6156         (type): Add load_or_call attribute.
6157         ("load_or_call"): New reservation.
6158         ("call_gettlsoff"): New.
6159         ("tls_indirect_call"): New.
6160         ("tls_load_gottlsoff12"): New.
6161         ("tlsoff_hilo"): New.
6162         ("tls_tlsdesc_ldd"): New.
6163         ("tls_tlsoff_ld"): New.
6164         ("tls_lddi"): New.
6165
6166         * config/frv/frv-protos.h (symbolic_operand): Protoize.
6167
6168         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
6169
6170         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
6171         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
6172         * config/frv/frv.c (TLS_BIAS): Define.
6173         (frv_output_dwarf_dtprel): New.
6174
6175 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
6176
6177         PR rtl-optimization/19579
6178         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
6179         both A and B, see if they don't clobber registers the other expr uses.
6180
6181 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
6182
6183         * real.c (do_add): Initialize signalling and canonical members.
6184
6185         * real.c (real_from_integer): Zero out destination.
6186
6187 2005-01-18  Jan Hubicka  <jh@suse.cz>
6188
6189         PR tree-optimize/19337
6190         * tree-inline.c (initialize_inlined_parameters): Copy
6191         saved_static_chain_decl only.
6192
6193 2005-01-25  Richard Henderson  <rth@redhat.com>
6194
6195         PR target/19556
6196         PR target/19584
6197         * config/i386/i386.c (x86_inter_unit_moves): Zero.
6198         (ix86_preferred_reload_class): Rewrite fp-constant section, with
6199         80387 enabled, to return a proper subclass.  Return the subset that
6200         overlaps with GENERAL_REGS for PLUS.
6201         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
6202
6203 2005-01-25  Richard Henderson  <rth@redhat.com>
6204
6205         PR middle-end/19609
6206         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
6207
6208 2005-01-25  Roger Sayle  <roger@eyesopen.com>
6209
6210         * expmed.c (choose_multiplier): Change interface to return the
6211         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
6212         (expand_divmod): Update calls to choose_multiplier.
6213
6214 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6215
6216         PR middle-end/19330
6217         * expmed.c (extract_bit_field): Use adjust_address instead of
6218         gen_lowpart when op0 is a MEM.
6219
6220 2005-01-24  Steven Bosscher  <stevenb@suse.de>
6221
6222         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
6223
6224 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
6225
6226         * config/mips/irix-csr.c: New file.
6227         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
6228         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
6229         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
6230         executables.
6231
6232 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
6233
6234         PR bootstrap/19364
6235         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
6236         sparc/elf.h, add sparc/sp-elf.h.
6237         (sparc-*-rtems*): Likewise.
6238         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
6239         tm-dwarf2.h, add sparc/sp-elf.h.
6240         (sparc86x-*-elf): Likewise.
6241         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
6242         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
6243         TARGET_OS_CPP_BUILTINS.
6244         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6245         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
6246         Undefine it.
6247         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
6248         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
6249         (SWITCH_TAKES_ARG): Likewise.
6250         (LOCAL_LABEL_PREFIX): Likewise.
6251         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6252         (TARGET_N_FORMAT_TYPES): Delete.
6253         (TARGET_FORMAT_TYPES): Likewise.
6254         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6255         * config/sparc/elf.h: Delete.
6256         * config/sparc/sp-elf.h: New file.
6257
6258 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6259
6260         * tree-flow-inline.h (phi_arg_from_edge): Remove.
6261         * tree-flow.h: Remove the corresponding prototype.
6262         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
6263         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
6264
6265 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6266
6267         PR target/17751
6268         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
6269         for AIX ABI or ELF -fPIC.
6270         (rs6000_emit_load_toc_table): Don't create toc_section here.
6271         (rs6000_xcoff_file_start): Nor here.
6272
6273 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
6274
6275         * sh.c (ra.h): Don't #include.
6276         (hard_regs_intersect_p): New function, resurrected from ra.c.
6277
6278         * sh.c: Fix 1996 Copyright.
6279
6280 2005-01-24  Richard Henderson  <rth@redhat.com>
6281             Aldy Hernandez  <aldyh@redhat.com>
6282
6283         * regrename.c (note_sets): Handle subregs.
6284
6285 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
6286
6287         PR bootstrap/18058
6288         * genconditions.c (write_header, write_conditions): Elide file if
6289         not GCC >= 3.0.1.
6290
6291 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
6292
6293         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
6294         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
6295         Update copyright.
6296
6297 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6298
6299         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
6300         expand_builtin_printf, expand_builtin_fprintf,
6301         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
6302         checking against POINTER_TYPE.
6303         (validate_arglist): Handle POINTER_TYPE code by checking
6304         POINTER_TYPE_P.
6305
6306 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
6307
6308         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
6309         init_rtlanal): New.
6310         (for_each_rtx): Call for_each_rtx_1.
6311         * rtl.h (init_rtlanal): Declare.
6312         * toplev.c (backend_init): Call init_rtlanal.
6313
6314 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
6315
6316         * flow.c (propagate_one_insn): Formatting.
6317
6318         PR middle-end/19551
6319         * flow.c (libcall_dead_p): Be more conservative if unsure.
6320         If there are any instructions between insn and call, see if they are
6321         all dead before saying the libcall is dead.
6322
6323 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
6324
6325         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
6326         operand constraint for operand 0.
6327
6328 2005-01-23  Richard Henderson  <rth@redhat.com>
6329
6330         PR 19486
6331         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
6332         edges leading to join block.
6333
6334 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6335
6336         * expmed.c (expand_mult_highpart): Make static.  Change type of
6337         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
6338         (expand_divmod): Updates calls to expand_mult_highpart by using
6339         gen_int_mode to pass a CONST_INT rtx.
6340         * rtl.h (expand_mult_highpart): Remove prototype.
6341
6342 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6343
6344         * flow.c (regset_bytes, regset_size): Remove.
6345
6346         * cfganal.c: Fix a reference to Harvey's paper.
6347
6348 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6349
6350         PR rtl-optimization/19464
6351         * tree-optimize.c (init_tree_optimization_passes): Add one more
6352         copyrename pass just before out-of-ssa.
6353
6354 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
6355
6356         PR bootstrap/18058
6357         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
6358         * ggc-none.c (ggc_free): Define.
6359
6360 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6361
6362         * cse.c (max_reg, max_insn_uid): Remove.
6363         (cse_main): Don't access max_reg or max_insn_uid.
6364
6365         * c-common.c (explicit_flag_signed_bitfields,
6366         lang_statement_code_p, lang_expand_function_end): Remove.
6367         * c-common.h: Remove the corresponding declarations.
6368         * c-opts.c (c_common_handle_option): Remove all write access
6369         to explicit_flag_signed_bitfields.
6370
6371         * cgraph.c (cgraph_varpool_n_nodes): Remove.
6372         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
6373         * cgraph.h: Remove the corresponding declaration.
6374
6375         * gcse.c (null_pointer_info): Remove.
6376
6377 2005-01-23  Roger Sayle  <roger@eyesopen.com>
6378             Eric Botcazou  <ebotcazou@libertysurf.fr>
6379
6380         * combine.c (simplify_logical): Only simplify logical expressions
6381         of the form ior(and(x,y),z) by the inverse distributive law if the
6382         result is cheaper than the original.
6383
6384 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6385
6386         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6387         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6388         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6389         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6390         config/freebsd-spec.h, config/arm/arm.h,
6391         config/h8300/h8300.md, config/i386/i386.md,
6392         config/i386/predicates.md, config/i386/sse.md,
6393         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6394         config/vax/vax.md: Fix comment typos.  Follow spelling
6395         conventions.
6396
6397 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6398
6399         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6400         tests, instead of `less than'.
6401
6402 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6403
6404         * function.c (assign_parm_setup_block): When creating a new stack slot
6405         for a parameter, get its alignment from the parameter's DECL_ALIGN
6406         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6407         is at least word aligned.
6408
6409 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6410
6411         PR middle-end/19378
6412         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6413
6414 2005-01-22  Richard Henderson  <rth@redhat.com>
6415
6416         PR target/19506
6417         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6418         in both compare operands.
6419         (movdfcc_1_sse_max): Likewise.
6420         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6421         (movdfcc_1_sse): Likewise.
6422         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6423         scratch register as needed.
6424
6425 2005-01-22  Richard Henderson  <rth@redhat.com>
6426
6427         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6428
6429         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6430
6431 2005-01-22  Richard Henderson  <rth@redhat.com>
6432
6433         * genopinit.c (optabs): Use smin/smax for floating point too.
6434         * doc/md.texi: Update to match.  Clarify that floating point
6435         results are undefined for +0/-0 and NaN.
6436         * doc/rtl.texi: Likewise.
6437         * rtl.def (SMIN, SMAX): Likewise
6438         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6439
6440         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6441         leading 's' to the name.
6442         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6443         smaxxf3, sminxf3): Likewise.
6444         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6445         Likewise.
6446
6447 2005-01-22  Paul Brook  <paul@codesourcery.com>
6448
6449         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6450
6451 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6452
6453         * config/s390/s390.c (struct processor_costs): New fields
6454         dlgr, dlr, dr, dsgfr, dsgr.
6455         (z900_cost, z990_cost): Values for new fields.
6456         (s390_rtx_costs): New cases MEM und COMPARE in switch
6457         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6458         DIV, MOD, UDIV, UMOD.
6459
6460 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6461
6462         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6463         into the register being decremented.
6464         ("doloop_si31", "doloop_di"): Likewise.
6465         ("*doloop_si_long"): Adapt pattern.
6466
6467 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6468
6469         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6470         access registers.
6471         (CLASS_MAX_NREGS): Likewise.
6472
6473 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6474
6475         * doc/tree-ssa.texi (Statement Operands): Add example for new
6476         must-def macro. Note deprecation of old operands interface.
6477
6478 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6479
6480         PR tree-optimization/19484
6481         * tree-cfg.c (remove_fallthru_edge): New function.
6482         (cleanup_control_flow): Remove fallthru edges from calls that are
6483         now known not to return.
6484
6485 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6486
6487         Fix PR tree-optimization/19038
6488         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6489         copies with loop variant ones.
6490
6491 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6492
6493         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6494         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6495         config/alpha/alpha.md, config/alpha/predicates.md,
6496         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6497         config/sparc/sol2.h: Update copyright.
6498
6499         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6500         first label to see if it is a nonlocal label.
6501
6502 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6503             Andrew Pinski  <pinskia@physics.uc.edu>
6504
6505         PR target/19491
6506         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6507         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6508
6509 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6510
6511         * config/rs6000/rtems.h: Update copyright.
6512
6513 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6514
6515         PR target/19548
6516         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6517         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6518         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6519
6520 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6521
6522         PR c/18809
6523         * c-typeck.c (convert_arguments): Check for error_mark_node.
6524
6525 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6526
6527         PR tree-optimization/13000
6528         * tree-inline.c: Include "tree-flow.h".
6529         (expand_call_inline): If warn_return_type, warn if non-void inline
6530         function falls through.
6531         * tree-cfg.c (execute_warn_function_return): Don't warn about
6532         control reaching end if TREE_NO_WARNING is set.  Set
6533         TREE_NO_WARNING.
6534         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6535         has been lowered.
6536         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6537         branch if we don't need one.
6538         * c-typeck.c: Include "tree-flow.h"
6539         (c_finish_bc_stmt): Don't add a goto if the current statement
6540         list doesn't fall through to the current point.
6541
6542 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6543
6544         PR rtl-optimization/576
6545         * real.c (real_arithmetic): Change return type from void to bool
6546         to return an indication that the result may be inexact.
6547         * real.h (real_arithmeric): Update prototype.
6548         * fold-const.c (const_binop):  Don't constant fold floating
6549         point expressions when the user specifies -frounding-math and
6550         the result may depend upon the run-time rounding mode.
6551         (fold_convert_const_real_from_real): Clean-up.
6552         (fold_initializer): Ignore flag_rounding_math for initializers.
6553         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6554         constant fold FP operations with flag_rounding_math if the
6555         result may depend upon the run-time rounding mode.
6556
6557 2005-01-21  Tom Tromey  <tromey@redhat.com>
6558
6559         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6560
6561 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6562
6563         * tree-cfg.c: Fix comment typos.
6564
6565 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6566
6567         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6568         around the call to rest_of_handle_branch_target_load_optimize.
6569
6570 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6571
6572         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6573         (sparc64-*-openbsd*): Likewise.
6574         (sparclite-*-elf*): Include tm-dwarf2.h.
6575         (sparc86x-*-elf*): Likewise.
6576         (sparc64-*-elf*): Likewise.
6577         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6578         (DBX_DEBUGGING_INFO): Likewise.
6579         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6580         (PREFERRED_DEBUGGING_TYPE): Likewise.
6581         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6582         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6583         (PREFERRED_DEBUGGING_TYPE): Likewise.
6584         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6585         (PREFERRED_DEBUGGING_TYPE): Likewise.
6586         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6587
6588 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6589
6590         PR target/18701
6591         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6592
6593 2005-01-20  Paul Brook  <paul@codesourcery.com>
6594
6595         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6596
6597 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6598
6599         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6600         label is first in a sequence of labels.
6601
6602         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6603
6604 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6605             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6606
6607         * doc/sourcebuild.texi (Test Directives): New.
6608
6609 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6610
6611         * real.c (real_floor): Don't leave the result uninitialized when
6612         mode is VOIDMode, but return the unrounded intermediate value.
6613         (real_ceil): Likewise.
6614
6615 2005-01-20  Paul Brook  <paul@codesourcery.com>
6616
6617         * config/arm/arm.md (insv): Use gen_int_mode.
6618
6619 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6620
6621         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6622         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6623         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6624         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6625         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6626
6627 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6628
6629         Fix PR debug/19124
6630         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6631         fbreg, so we have to assume we can't.
6632         (loc_descriptor_from_tree_1): Ditto.
6633         (containing_function_has_frame_base): New function.
6634         (add_location_or_const_value_attribute): Use it.
6635         Also try to generate a frame_base from a single element location
6636         list.
6637
6638 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6639
6640         PR tree-optimization/15349
6641         * timevar.def (TV_TREE_MERGE_PHI): New.
6642         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6643         PHI_WANTED.
6644         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6645         calls to tree_forwarder_block_p.
6646         (remove_forwarder_block_with_phi, merge_phi_nodes,
6647         gate_merge_phi, pass_merge_phi): New.
6648         * tree-optimize.c (init_tree_optimization_passes): Add
6649         pass_merge_phi.
6650         * tree-pass.h: Add an extern for pass_merge_phi;
6651
6652 2005-01-20  Richard Henderson  <rth@redhat.com>
6653
6654         PR target/19418
6655         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6656         (_mm_castps_pd, _mm_castps_si128): New.
6657         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6658
6659 2005-01-20  Richard Henderson  <rth@redhat.com>
6660
6661         PR target/19530
6662         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6663         __builtin_ia32_vec_init_v2si.
6664         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6665         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6666         (ix86_init_mmx_sse_builtins): Create it.
6667         (ix86_expand_builtin): Expand it.
6668         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6669         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6670         (vec_extractv2si_0, vec_extractv2si_1): New.
6671
6672 2005-01-20  Richard Henderson  <rth@redhat.com>
6673
6674         PR target/16533
6675         * config/i386/i386.c (ix86_expand_push): New.
6676         * config/i386/mmx.md (push<MMXMODE>1): New.
6677         * config/i386/sse.md (push<SSEMODE>1): New.
6678         * config/i386/i386-protos.h: Update.
6679
6680 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6681
6682         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6683         copyright.
6684
6685 2005-01-20  Richard Henderson  <rth@redhat.com>
6686
6687         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6688         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6689
6690 2005-01-19  Richard Henderson  <rth@redhat.com>
6691
6692         PR target/19350
6693         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6694         to V4SFmode in SSE1 fallback load path.
6695
6696 2005-01-19  Richard Henderson  <rth@redhat.com>
6697
6698         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6699         in QImode expansion to ix86_expand_vector_set.
6700         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6701
6702 2005-01-19  Richard Henderson  <rth@redhat.com>
6703
6704         PR target/19511
6705         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6706         subclass of the input class.
6707         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6708         Always true for cross-SSE1 classes.  Rationalize conditionals.
6709         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6710         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6711         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6712         (movdi_2): Add MMX/SSE zeros.
6713         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6714         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6715         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6716         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6717         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6718         (zero_extendsidi2_rex64_1): Remove.
6719         (MOV0 peephole): Check GENERAL_REG_P.
6720
6721 2005-01-19  Richard Henderson  <rth@redhat.com>
6722
6723         PR target/19427
6724         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6725         shufps elements.
6726         (ix86_expand_vector_extract): Likewise.
6727
6728 2005-01-19  Richard Henderson  <rth@redhat.com>
6729
6730         PR middle-end/19304
6731         * expr.c (emit_move_change_mode): New argument force; use
6732         simplify_gen_subreg if true.
6733         (emit_move_via_alt_mode): Merge into ...
6734         (emit_move_via_integer): ... here.
6735         (emit_move_ccmode): Use emit_move_change_mode directly.
6736
6737 2005-01-19  Richard Henderson  <rth@redhat.com>
6738
6739         PR target/19518
6740         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6741         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6742         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6743         rtl if true.
6744         (alpha_emit_set_const): Likewise.  Make static.
6745         (alpha_emit_set_long_const): Make static.
6746         (alpha_extract_integer): Split out from alpha_expand_mov.
6747         (alpha_split_const_mov): Likewise.
6748         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6749         (alpha_legitimate_constant_p): New.
6750         * config/alpha/alpha-protos.h: Update.
6751         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6752         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6753         * config/alpha/alpha.md (movsi): Add n alternative.
6754         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6755         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6756         (splitters for all of the above): Use alpha_split_const_mov.
6757         * config/alpha/predicates.md (non_add_const_operand): New.
6758         (non_zero_const_operand): New.
6759         (input_operand): Use alpha_legitimate_constant_p after reload.
6760
6761 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6762
6763         PR tree-optimization/19038
6764         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6765         (add_candidate): Add ivs with increment in latch only if
6766         allow_ip_end_pos_p is true.
6767         (determine_iv_cost): Use empty_block_p.
6768
6769 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6770
6771         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6772         (compute_dominance_frontiers): Ditto.
6773
6774 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6775
6776         PR target/19529
6777         * config/sh/t-rtems: New.
6778         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6779
6780 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6781
6782         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6783         the offset of the selected field.
6784
6785 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6786
6787         * tree-cfg.c (remove_forwarder_block): Fix the check to
6788         prevent a nonlocal label from appearing in the middle of a
6789         basic block.
6790
6791 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6792
6793         PR rtl-optimization/19462
6794         * reorg.c (find_end_label): Create return insn only if
6795         current_function_epilogue_delay_list is empty.
6796
6797 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6798
6799         * doc/passes.texi: Remove paragraph mentioning new-ra.
6800
6801 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6802
6803         PR rtl-optimization/15139
6804         * combine.c: Include params.h.
6805         (count_rtxs): New function.
6806         (record_value_for_reg): If replace_rtx would replace at least
6807         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6808         (clobber (const_int 0)) instead of TEM.
6809         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6810         * params.h (MAX_LAST_VALUE_RTL): New.
6811         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6812         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6813
6814         PR c/17297
6815         * c-typeck.c (digest_init): Only call build_vector if all constructor
6816         elements are *_CST nodes.
6817         * gimplify.c (gimplify_init_constructor): Likewise.
6818
6819         PR middle-end/19164
6820         * c-typeck.c (digest_init): Only call build_vector if inside_init
6821         is a CONSTRUCTOR.
6822
6823 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6824
6825         * toplev.c (init_asm_output): Remove dead #ifdef.
6826
6827 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6828
6829         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6830
6831 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6832
6833         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6834         accessing DECL_FUNCTION_CODE.
6835         * dojump.c (do_jump): Likewise.
6836         * gimplify.c (gimplify_call_expr): Likewise.
6837         * predict.c (expr_expected_value): Likewise.
6838         (strip_builtin_expect): Likewise.
6839         * tree-inline.c (estimate_num_insns_1): Likewise.
6840         * tree-ssa-loop-im.c (stmt_cost): Likewise
6841         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6842         (tree_expr_nonnegative_p): Likewise.
6843
6844 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6845
6846         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6847         variant of the load_pcrel_sym pattern.
6848         * config/sparc/sparc.md (P macro): Move to the top.
6849         (load_pcrel_sym): Macroize using P.
6850         (save_register_window): Likewise.
6851
6852 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6853
6854         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6855         ("sordered"): Same.
6856
6857 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6858
6859         PR C/19472
6860         * c-typeck.c (build_asm_expr): Strip nops off
6861         input memory operands.
6862
6863 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6864
6865         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6866         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6867         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6868         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6869
6870 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6871
6872         PR target/19379
6873         * config/i386/i386.c (override_options): If the 80387 is disabled,
6874         then do not return FP values using FP registers.
6875
6876 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6877
6878         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6879         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6880         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6881         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6882         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6883         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6884         output.h, postreload-gcse.c, postreload.c, recog.c,
6885         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6886         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6887         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6888         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6889         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6890         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6891         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6892         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6893
6894         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6895         config/alpha/alpha.c, config/arm/vfp.md,
6896         config/i386/emmintrin.h, config/i386/i386-modes.def,
6897         config/i386/i386-protos.h, config/i386/i386.h,
6898         config/i386/pmmintrin.h, config/i386/ppro.md,
6899         config/i386/predicates.md, config/i386/xmmintrin.h,
6900         config/i860/i860.c, config/ia64/ia64-modes.def,
6901         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6902         config/ia64/ia64.md, config/ia64/itanium1.md,
6903         config/ia64/itanium2.md, config/ia64/predicates.md,
6904         config/iq2000/iq2000.h, config/mips/linux64.h,
6905         config/rs6000/aix41.h, config/rs6000/aix43.h,
6906         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6907         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6908         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6909         config/sparc/linux64.h, config/sparc/litecoff.h,
6910         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6911         config/sparc/sparc.h, config/sparc/sparc.md,
6912         config/sparc/sysv4-only.h: Update copyright.
6913
6914 2005-01-18  Richard Henderson  <rth@redhat.com>
6915
6916         PR target/19496
6917         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6918
6919 2005-01-18  Marc Espie  <espie@openbsd.org>
6920         * config/i386/openbsdelf.h: Typo.
6921
6922 2005-01-18  Richard Henderson  <rth@redhat.com>
6923
6924         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6925         special case for sse.
6926         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6927
6928 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6929
6930         * tree-inline.c (estimate_num_insns_1): Added cases for
6931         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6932
6933 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6934
6935         PR rtl-optimization/19296
6936         * combine.c (simplify_comparison): Rewrite the condition under
6937         which a non-paradoxical SUBREG of a PLUS can be lifted when
6938         compared against a constant.
6939
6940 2005-01-18  Andi Kleen <ak@muc.de>
6941
6942         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6943         * c.opt (-Wpointer-sign): Add.
6944         * doc/invoke.texi: (-Wpointer-sign): Add.
6945
6946 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6947
6948         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
6949         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
6950         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
6951         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
6952         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
6953         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
6954         for TARGET_MIX_SSE_I387.
6955         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
6956         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
6957         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
6958         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
6959         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
6960         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
6961         TARGET_MIX_SSE_I387.
6962         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
6963         from expander.
6964
6965 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6966
6967         PR target/19424
6968         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
6969         Add movaps alternative for xmm reg->reg move.
6970
6971 2005-01-17  Jeff Law  <law@redhat.com>
6972
6973         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
6974         at the end of the main DOM loop rather than just before DOM exits.
6975
6976 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
6977
6978         PR tree-optimization/19121
6979         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
6980         adding aliases to a name tag, also add them to the pointer's
6981         type tag.
6982         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
6983         sensitive alias info at all.  Only check that the two pointers
6984         have compatible pointed-to sets.
6985         * tree-ssa.c (verify_name_tags): Verify that the alias set of
6986         a pointer's type tag is a superset of the alias set of the
6987         pointer's name tag.
6988
6989 2005-01-17  James E Wilson  <wilson@specifixinc.com>
6990
6991         PR target/19357
6992         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
6993         comment to document why.
6994
6995 2005-01-17  Richard Henderson  <rth@redhat.com>
6996
6997         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
6998         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
6999         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
7000         sse2_vmsminv2df3_finite): New.
7001         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
7002         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
7003         Force op1 into register.
7004
7005 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
7006
7007         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
7008         bubblestrap from always rebuilding build directory.
7009
7010 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
7011
7012         * config/s390/s390.md ("*clc"): Remove incorrect '='.
7013         ("*cmpmem_short"): Likewise.
7014
7015 2005-01-17  Steven Bosscher  <stevenb@suse.de>
7016
7017         * basic-block.h: Document BB_* flags.
7018         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
7019         use an sbitmap instead.
7020         * sched-rgn.c (compute_trg_info): Likewise.
7021
7022 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
7023
7024         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
7025         redundant target_cpu_default and extra_parts lines.  Use the default
7026         "from-abi" ISA.
7027         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
7028         (SUBTARGET_EXTRA_SPECS): Delete.
7029         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
7030         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
7031         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
7032         and "n32" for -mabi=n32.
7033
7034 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7035
7036         PR c/5675
7037         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
7038         fold constant variables into initial values.
7039
7040 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7041
7042         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
7043
7044         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
7045         through the statements backward.
7046
7047 2005-01-17  Ian Lance Taylor  <ian@airs.com>
7048
7049         PR middle-end/13127:
7050         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
7051         a variable set to the return value of the inlined function.
7052
7053 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
7054
7055         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
7056         when modes are tieable.
7057
7058 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
7059
7060         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
7061         of pthread_create to find out if threads are enabled.
7062         * gthr-posix95.h (__gthread_active_p): Likewise.
7063
7064 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
7065
7066         * common.opt (-fnew-ra): Remove.
7067         * ra*.*: Remove.
7068         * toplev.h (flag_new_regalloc): Remove.
7069         * Makefile.in (ra*.*): Don't mention.
7070         * passes.c (rest_of_handle_new_regalloc): Remove.
7071         (rest_of_handle_combine, rest_of_compilation): Always consider
7072         flag_new_regalloc as false.
7073         * doc/invoke.texi: Don't document -fnew-ra.
7074
7075 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
7076
7077         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
7078         last parameter to reg_scan.
7079         * loop.c (loop_optimize): Likewise.
7080         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
7081         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
7082         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7083         rest_of_handle_gcse, rest_of_handle_loop_optimize,
7084         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
7085         * regclass.c (reg_scan): Likewise, for the declaration.
7086         * rtl.h (reg_scan): Likewise, for the prototype.
7087
7088 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
7089
7090         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
7091         mark_dfs_back_edges.
7092
7093 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
7094
7095         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
7096         (compute_avail): Uses don't go in tmp_gen.
7097
7098 2005-01-16  Steven Bosscher  <stevenb@suse.de>
7099
7100         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
7101         loop to look for a free slot in a page entry.
7102
7103 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7104
7105         PR target/16304
7106         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
7107         * toplev.c (compile_file): Call process_pending_assemble_output_defs
7108         just before targetm.asm_out.file_end.
7109         * tree.h (process_pending_assemble_output_defs): Declare.
7110         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
7111         New functions.
7112         (assemble_alias): Defer generation of assembly code for defines when
7113         TARGET_DEFERRED_OUTPUT_DEFS is true.
7114         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7115         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
7116         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
7117
7118 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7119
7120         PR target/19336
7121         * pa.c (pa_scalar_mode_supported_p): New function.
7122         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7123         * pa.h (MIN_UNITS_PER_WORD): Add comment.
7124
7125         * pa-protos.h (prefetch_operand): Delete.
7126         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
7127         * pa.c (prefetch_operand): Delete.
7128         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
7129         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
7130         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
7131         and prefetch_nocc_operand.
7132         * pa.md (prefetch): Rework to avoid reload problems handling short
7133         displacements when a cache control completer needs to be provided.
7134         (prefetch_32, prefetch_64): Delete.
7135         (prefetch_cc, prefetch_nocc): New patterns.
7136
7137 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
7138
7139         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
7140
7141 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7142
7143         PR ada/19388
7144         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
7145         exceeds maximum alignment for global common data.
7146         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
7147         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
7148
7149 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7150
7151         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
7152
7153 2004-01-15  Roger Sayle  <roger@eyesopen.com>
7154
7155         * harg-reg-set.h (reg_class_names): Prototype global array.
7156         * regclass.c (reg_class_names): Declare here and initialize to
7157         REG_CLASS_NAMES.
7158         (dump_regclass): Remove local declaration of reg_class_names.
7159         (regclass): Likewise.
7160         * cfg.c (dump_flow_info): Likewise.
7161         * ra-debug.c (reg_class_names): Likewise.
7162         * regrename.c (reg_class_names): Likewise.
7163         * reload.c (reg_class_names): Likewise.
7164         * reload1.c (spill_failure): Likewise.
7165         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
7166
7167 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
7168
7169         * config/s390/s390.md ("reload_outti"): Remove predicate for
7170         output operand.  Abort if operand is not a MEM.
7171         ("reload_outdi", "reload_outdf"): Likewise.
7172
7173 2005-01-15  Marc Espie  <espie@openbsd.org>
7174
7175         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
7176         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
7177         * config/openbsd.h:  Fix C++ includes for native configurations.
7178         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
7179         Add trampoline support.
7180         * config/i386/openbsdelf.h: New.
7181
7182 2005-01-15  Marc Espie  <espie@openbsd.org>
7183
7184         * collect2.c (main): Explicitly parse -dynamic-linker option.
7185
7186 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
7187
7188         PR tree-optimization/19060
7189         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
7190         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
7191         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
7192         and handle extract_range_from_cond returning false.
7193         * fold-const.c (fold): Optimize comparisons with min/max even for
7194         width > HOST_BITS_PER_WIDE_INT.
7195
7196 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
7197
7198         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
7199         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
7200         Remove little endian multilib variants.
7201         Add mips32 multilib variant.
7202
7203 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
7204
7205         * explow.c (copy_all_reg, stabilize): Remove.
7206         * expr.h: Remove the corresponding prototypes.
7207
7208         * rtlanal.c (regs_set_between_p): Remove.
7209         * rtl.h: Remove the corresponding prototype.
7210
7211 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
7212
7213         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
7214         to rs6000_nonimmediate_operand.
7215         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
7216         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
7217         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
7218         rs6000_nonimmediate_operand.
7219         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
7220         rs6000_nonimmediate_operand.
7221
7222 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
7223
7224         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
7225
7226 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7227
7228         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
7229         on e500v2.
7230         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
7231         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
7232
7233         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
7234         (rs6k_nonimmediate_operand): New.
7235         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
7236         correctly.
7237         (legitimate_lo_sum_address_p): Same.
7238         (rs6000_legitimize_address): Same.
7239         (rs6000_legitimize_reload_address): Same.
7240         (rs6000_legitimate_address): Same.
7241         (spe_build_register_parallel): Pass DF and DC modes in a DI
7242         register.
7243
7244         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
7245         to rs6k_nonimmediate_operand.
7246
7247         * config/rs6000/spe.md ("*frob_df_di"): New.
7248         ("*frob_di_df"): New.
7249         ("*frob_di_df_2"): New.
7250         ("*mov_sidf_e500_subreg0"): New.
7251         ("*mov_sidf_e500_subreg4"): New.
7252         ("*movdf_e500_double"): Change predicate to
7253         rs6k_nonimmediate_operand.
7254
7255 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7256
7257         * postreload.c (move2add_note_store): Only call
7258         trunc_int_for_mode on scalar integers.
7259
7260 2005-01-14  Steven Bosscher  <stevenb@suse.de>
7261
7262         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
7263         replace BB_VISITED uses.
7264         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
7265         (propagate_necessity): Check the bitmap instead of BB_VISITED.
7266         (tree_dce_done): Free visited_control_parents.
7267         (perform_tree_ssa_dce): Allocate and clear it.
7268         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
7269         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
7270         instead of BB_VISITED.
7271
7272 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
7273
7274         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
7275         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
7276         Remove unused prototypes.
7277
7278 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7279
7280         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
7281         64-bit register usage.
7282         (spe_func_has_64bit_regs_p): Add FIXME note.
7283
7284 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
7285
7286         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
7287         flag_finite_math_only with flag_unsafe_math_optimizations.
7288
7289 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
7290
7291         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
7292         end-of-stack check.
7293         (__tpf_eh_return): Copy TPF private stack area from the module
7294         boundary stack frame.  Add check for when module addresses are
7295         equal, but no stub address is found.
7296
7297 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
7298
7299         PR target/7525
7300         * arm.h (struct machine_function): Add call_via field.
7301         (thumb_call_via_label): Declare.
7302         * arm.c (thumb_call_via_label): New variable.
7303         (thumb_call_reg_needed): New variable.
7304         (arm_output_function_epilogue): For Thumb code, output any per-function
7305         call-indirect trampolines.
7306         (thumb_call_via_reg): New function.
7307         (arm_file_end): New function.
7308         (TARGET_ASM_FILE_END): Call arm_file_end.
7309         (aof_file_end): Likewise.
7310         * arm-protos.h (thumb_call_via_reg): Declare.
7311         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
7312         thumb_call_via_reg in normal case.
7313
7314 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
7315
7316         PR middle-end/19084
7317         PR rtl-optimization/19348
7318         * recog.c (peephole2_optimize): Do global life update if some peephole
7319         decides it doesn't need at least one of its inputs and that change
7320         influences liveness at the start of the basic block.
7321
7322         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
7323         arguments instead of 1.
7324
7325 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
7326
7327         PR middle-end/18820
7328         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
7329         zero for nested functions needing a static chain or functions
7330         with a non-constant address.
7331
7332 2005-01-13  Roger Sayle  <roger@eyesopen.com>
7333
7334         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
7335         (and (sign_extend X) C) into (zero_extend (and X C)).
7336
7337 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
7338
7339         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
7340
7341 2005-01-13  Richard Henderson  <rth@redhat.com>
7342
7343         PR target/19009
7344         PR target/19250
7345         PR target/19252
7346         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
7347         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
7348         not just TARGET_SSE.
7349         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
7350         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
7351         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
7352         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
7353         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
7354         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
7355         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
7356         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
7357         (movdicc_c_rex64): Rename with '*'.
7358         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
7359         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
7360         (movsfcc_1_387): Rename from movsfcc_1.
7361         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
7362         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
7363         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
7364         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
7365         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
7366         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
7367         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
7368         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
7369         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
7370         sse_movdfcc_const0_4): Remove.
7371         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
7372         recognize min/max early.  Update for changed sse cmove patterns.
7373         (ix86_split_sse_movcc): New.
7374         * config/i386/i386-protos.h: Update.
7375
7376 2005-01-13  Steven Bosscher  <stevenb@suse.de>
7377
7378         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
7379         (fix_stmt_v_may_defs): Likewise.
7380
7381 2005-01-13  Richard Henderson  <rth@redhat.com>
7382
7383         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7384         for converting the mask.
7385
7386 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7387
7388         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7389         definition to 600.
7390
7391 2005-01-13  Richard Henderson  <rth@redhat.com>
7392
7393         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7394         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7395         IX86_BUILTIN_MOVDQ2Q): Remove.
7396         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7397         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7398         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7399         shuffling.
7400         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7401         (sse2_pextrw): Fix immediate constraint.
7402         (sse2_loadq, sse2_loadq_rex64): Remove.
7403         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7404         Use __builtin_ia32_vec_ext_<size>.
7405         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7406
7407 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7408
7409         * function.c (assign_parm_setup_block): Look inside original
7410         entry_parm when inspecting PARALLEL.
7411
7412 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7413             Joel Sherrill  <joel@oarcorp.com>
7414
7415         PR target/19399
7416         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7417         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7418         rtems_gxx_recursive_mutex_init.
7419         (__gthread_recursive_mutex_lock): New function.
7420         (__gthread_recursive_mutex_trylock): Likewise.
7421         (__gthread_recursive_mutex_unlock): Likewise.
7422
7423 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7424
7425         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7426
7427 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7428
7429         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7430         (ashrti3_internal): Indicate output is early clobber. Generate result
7431         into output rather than first input. Use move for low word of output
7432         if shift count is exactly 64.
7433         (lshrti3_internal): Likewise.
7434
7435 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7436
7437         PR target/18329
7438         PR target/18330
7439         * reload1.c (delete_output_reload): Don't delete an output reload
7440         if the pseudo lives longer than a single basic block.  Adjust and
7441         improve wording of comment.
7442
7443 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7444
7445         PR target/19334
7446         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7447         of TYPE_SIZE where we mean the number of bytes.
7448
7449 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7450
7451         * function.c (assign_parm_setup_block): Relax condition on
7452         multi-register optimization.
7453
7454 2005-01-12  Nick Clifton  <nickc@redhat.com>
7455
7456         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7457         an "in_delay_slot" attribute of "no" to prevent them being used in
7458         delay slots.  This is forbidden because they might generate
7459         exceptions.
7460
7461 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7462
7463         PR target/19389
7464         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7465         with r->Y and Y->r.
7466
7467 2005-01-12  Nick Clifton  <nickc@redhat.com>
7468
7469         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7470         passed on to GAS) but do not define, as GAS no longer supports or
7471         needs the -m2000 option.
7472
7473 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7474
7475         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7476         type as args of unprototyped builtins aren't automatically promoted.
7477         (fold_builtin_abs): Likewise.
7478
7479 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7480
7481         * Makefile.in: Set a `build-warn' variable.
7482
7483 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7484
7485         PR tree-optimization/17949
7486         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7487         (find_interesting_uses_address): Use it.
7488
7489 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7490
7491         * regrename.c (kill_value): Handle subreg's that won't simplify.
7492
7493 2005-01-11  Richard Henderson  <rth@redhat.com>
7494
7495         PR target/13366
7496         * config/i386/i386.h (enum ix86_builtins): Move ...
7497         * config/i386/i386.c: ... here.
7498         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7499         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7500         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7501         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7502         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7503         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7504         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7505         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7506         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7507         IX86_BUILTIN_LOADDDUP): Remove.
7508         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7509         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7510         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7511         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7512         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7513         (ix86_init_builtins): Make static.
7514         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7515         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7516         if all the modes match.  Otherwise, fake it.
7517         (get_element_number, ix86_expand_vec_init_builtin,
7518         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7519         (ix86_expand_builtin): Make static.  Update for changed builtins.
7520         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7521         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7522         (ix86_expand_vector_init_duplicate): New.
7523         (ix86_expand_vector_init_low_nonzero): New.
7524         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7525         Split out from ix86_expand_vector_init; handle integer modes.
7526         (ix86_expand_vector_init): Use them.
7527         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7528         * config/i386/i386-protos.h: Update.
7529         * config/i386/predicates.md (reg_or_0_operand): New.
7530         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7531         (movv2sf_internal): Likewise.  And a splitter to match them all.
7532         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7533         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7534         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7535         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7536         (mmx_pinsrw): Fix operand ordering.
7537         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7538         rather than sse_loadss expander.
7539         (movv2df splitter): Similarly.
7540         (sse_loadss, sse_loadlss): Remove.
7541         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7542         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7543         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7544         (sse3_movddup): Rename with '*'.
7545         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7546         (sse2_loadsd): Remove.
7547         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7548         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7549         (sse2_pinsrw): Fix argument ordering.
7550         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7551         (sse2_stored): Remove 'r' destination.
7552         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7553         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7554         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7555         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7556         vec_extractv16qi, vec_initv16qi): New.
7557
7558         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7559         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7560         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7561         constructor form.
7562         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7563         (_mm_load_si128, _mm_store_si128): Likewise.
7564         (_mm_load1_pd): Use _mm_set1_pd.
7565         (_mm_load_sd): Use _mm_set_sd.
7566         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7567         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7568         (_mm_set_epi64): Use _mm_set_epi64x.
7569         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7570         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7571         _mm_setr_epi8): Use _mm_set_foo form.
7572         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7573         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7574         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7575         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7576         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7577         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7578         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7579         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7580         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7581         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7582         (_mm_movedup_pd): Use _mm_shuffle_pd.
7583         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7584         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7585         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7586         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7587         Use _mm_setzero_ps.
7588         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7589         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7590         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7591         (_mm_store_ps): Use raw dereference.
7592         (_mm_store1_ps): Use _mm_storeu_ps.
7593         (_mm_storer_ps): Use _mm_store_ps.
7594         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7595         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7596
7597 2005-01-11  Stan Shebs  <shebs@apple.com>
7598
7599         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7600         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7601
7602 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7603
7604         PR target/18761
7605         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7606         Skip all DECLs except for FIELD_DECLs.
7607
7608 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7609
7610         * config/s390/s390.c (override_options): Return error if
7611         -mbackchain, -mpacked-stack and -mhard-float are used together.
7612         (s390_va_start): Remove the backchain && packed-stack special case.
7613         (s390_gimplify_va_arg): Likewise.
7614         * doc/invoke.texi: Remove the ABI incompatibility note.
7615
7616 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7617
7618         * config/s390/s390.c (struct s390_frame_layout): Remove
7619         save_backchain_p.
7620         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7621         save_backchain_p with TARGET_BACKCHAIN.
7622
7623 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7624
7625         PR target/18916
7626         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7627         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7628         * function.c (locate_and_pad_parm): Set new field.
7629         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7630         Tweak where_pad test to include "none".  Always set mem align for
7631         stack_parm.
7632         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7633         not sufficient for type.
7634         (assign_parm_setup_block): If stack_parm is zero on entry, always
7635         make a new stack local.  Block move old stack parm if necessary
7636         to new aligned stack local.
7637         (assign_parm_setup_stack): Use a block move to handle
7638         potentially misaligned entry_parm.
7639         (assign_parms_unsplit_complex): Specify required alignment when
7640         creating stack local.
7641         * calls.c (compute_argument_addresses): Override alignment of stack
7642         arg calculated from its type with the alignment given by
7643         FUNCTION_ARG_BOUNDARY.
7644         (store_one_arg): Likewise.
7645
7646 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7647
7648         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7649         Change respective itanium_class attribute to ialu.
7650         (shladdp4_internal): New.
7651         * config/ia64/predicates.md (shladd_log2_operand): New.
7652
7653 2005-01-11  Richard Henderson  <rth@redhat.com>
7654
7655         * expr.c (store_constructor): Use rtvec_alloc instead of
7656         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7657
7658 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7659
7660         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7661
7662 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7663
7664         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7665         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7666         (TARGET_RWRELOC): Define.
7667         (ia64_rwreloc_section_type_flags): Delete.
7668         (ia64_section_type_flags): New function.
7669         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7670         (TARGET_RWRELOC): Define.
7671
7672 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7673
7674         PR target/18987
7675         * config/ia64/ia64.c (process_set): For alloc insn, only call
7676         process_epilogue is !frame_pointer_needed.
7677
7678 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7679
7680         PR c++/19355
7681         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7682         unary operator and can't be treated as a binary/comparison operator.
7683
7684 2005-01-10  Richard Henderson  <rth@redhat.com>
7685
7686         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7687         (ix86_return_in_memory): Likewise.
7688         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7689         for choosing register to advance.
7690
7691 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7692
7693         * tree-vectorizer.c, tree.def: Fix comment typos.
7694
7695 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7696
7697         * config/s390/s390.c (struct processor_costs): 4 new fields:
7698         ddbr, ddr, debr, der.
7699         (s390_rtx_costs): More precise handling of divide instructions.
7700
7701 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7702
7703         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7704
7705 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7706
7707         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7708         names resulting from -ffunction-sections/-fdata-sections and linkonce
7709         ones.
7710         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7711         based on the section name. Rearrange the section name comparison logic
7712         slightly so that each section name is compared against at most once.
7713
7714 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7715
7716         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7717         targets for which -fPIC reduces limitations on the GOT size.
7718
7719 2005-01-09  Falk Hueffner  <falk@debian.org>
7720
7721         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7722         X/C1 cmpop C2.
7723
7724 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7725
7726         PR target/18720
7727         * collect2.c (main): Set aixrtl_flag for -brtl option.
7728         (resolve_lib_name): Search for .so file extension before .a
7729         if aixrtl_flag set.
7730
7731 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7732
7733         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7734         (vect_analyze_data_refs_alignment): Add dump prints.
7735
7736 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7737
7738         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7739         expr_invariant_in_loop_p.
7740         Initialize outputs first thing in the function.
7741         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7742         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7743         (vect_analyze_pointer_ref_access): Check that the initial condition of
7744         the access function is loop invariant.
7745
7746 2005-01-09  Richard Henderson  <rth@redhat.com>
7747
7748         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7749         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7750         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7751         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7752         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7753         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7754         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7755         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7756         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7757         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7758         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7759         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7760         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7761         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7762         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7763         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7764         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7765         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7766         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7767         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7768         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7769         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7770         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7771         mmx_ prefix.
7772         (mmx_clrdi, pavgusb): Remove.
7773         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7774         with leading sse_ prefix.
7775         * config/i386/sse.md: Receive them.
7776         * config/i386/mmx.md: New file.
7777         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7778         (subrv2sf3): Turn into expander for normal subtraction.
7779         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7780         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7781         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7782         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7783         commutative; use ix86_binary_operator_ok.
7784         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7785         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7786         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7787         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7788         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7789         Macroize from existing patterns; use ix86_binary_operator_ok.
7790         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7791         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7792         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7793         with vec_select+vec_concat.
7794         (mmx_pshufw, mmx_pshufw_1): Likewise.
7795         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7796         (mmx_uavgv4hi3): Model correctly.
7797         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7798         _mm_xor_si64): Remove casts.
7799
7800 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7801
7802         PR tree-optimization/19224
7803         * tree-scalar-evolution.c (get_instantiated_value,
7804         set_instantiated_value): New functions.
7805         (instantiate_parameters_1): Cache the results.
7806         (instantiate_parameters, resolve_mixers): Initialize and free
7807         the cache.
7808
7809 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7810
7811         * config/i386/i386.md (addhi_4): Correct reference in comment.
7812         (addqi_4): Same.
7813
7814 2005-01-08  Richard Henderson  <rth@redhat.com>
7815
7816         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7817         (_mm_cvtsi128_si64x): Likewise.
7818         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7819         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7820         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7821         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7822         * config/i386/i386-protos.h: Update.
7823         * config/i386/i386.c (print_operand): Add 'H'.
7824         (ix86_fixup_binary_operands): Split out from ...
7825         (ix86_expand_binary_operator): ... here.
7826         (ix86_fixup_binary_operands_no_copy): New.
7827         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7828         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7829         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7830         (safe_vector_operand): Use CONST0_RTX.
7831         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7832         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7833         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7834         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7835         special cases.
7836         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7837         (IX86_BUILTIN_CMPNGESS): New.
7838         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7839         (attr type): Add sselog1.
7840         (attr unit, attr memory): Handle it.
7841         (movti, movti_internal, movti_rex64): Move near other integer moves.
7842         (movtf, movtf_internal): Move near other fp moves.
7843         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7844         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7845         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7846         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7847         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7848         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7849         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7850         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7851         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7852         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7853         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7854         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7855         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7856         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7857         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7858         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7859         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7860         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7861         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7862         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7863         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7864         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7865         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7866         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7867         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7868         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7869         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7870         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7871         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7872         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7873         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7874         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7875         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7876         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7877         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7878         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7879         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7880         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7881         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7882         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7883         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7884         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7885         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7886         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7887         same time.
7888         (SSEPUSH, push<SSEPUSH>): Remove.
7889         (MMXPUSH, push<MMXPUSH>): Remove.
7890         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7891         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7892         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7893         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7894         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7895         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7896         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7897         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7898         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7899         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7900         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7901         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7902         (ppro_sse_log_V4SF): Handle sselog1.
7903         * config/i386/predicates.md (const_0_to_1_operand): New.
7904         (const_0_to_255_mul_8_operand): New.
7905         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7906         (const_2_to_3_operand, const_4_to_7_operand): New.
7907         * config/i386/sse.md: New file.
7908         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7909         (sse_movups): Rename from sse_movups_1.
7910         (sse_loadlss): Rename from sse_loadss_1.
7911         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7912         from the name.
7913         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7914         (absv4sf2, negv2df, absv2df): New.
7915         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7916         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7917         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7918         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7919         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7920         (sse3_addsubv4sf3): Model correctly.
7921         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7922         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7923         (sse_movhlps): Model with vec_select+vec_concat.
7924         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7925         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7926         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7927         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7928         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7929         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7930         sse2_pshufhw_1): Likewise.
7931         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7932         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7933         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7934         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7935         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7936         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7937         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7938         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7939         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7940         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7941         sminv8hi3): Mark commutative
7942         operands.  Use ix86_binary_operator_ok.
7943         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7944         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7945         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7946         sse2_punpcklqdq): Allow operand2 in memory.
7947         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
7948         sse2_movsd): Add memory alternatives.
7949         (sse_storelps): Turn expander into an insn; split after reload.
7950         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
7951         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
7952
7953 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7954
7955         * configure.ac (DWARF-2 debug_line): Use objdump.
7956         * configure: Regenerate.
7957
7958 2005-01-08  Jeff Law  <law@redhat.com>
7959             Diego Novillo  <dnovillo@redhat.com>
7960
7961         PR tree-optimization/18241
7962         * tree-nrv.c (tree_nrv): Ignore volatile return values.
7963         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
7964         statements with volatile operands.
7965         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
7966         operands after marking a statement with has_volatile_ops.
7967
7968 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7969
7970         * tree.c (int_fits_type_p): Always honor integer constant
7971         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
7972
7973 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7974
7975         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
7976         the latent bug in rtl_delete_block has been resolved.
7977
7978 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7979
7980         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
7981         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
7982
7983 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7984
7985         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
7986         library as @multilib_dir@/$(SHLIB_SONAME).
7987
7988 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7989
7990         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
7991         * configure: Regenerate.
7992
7993 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7994
7995         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
7996         TYPE_MODE.
7997
7998 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
7999
8000         PR target/13674
8001         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8002         Convert non-word aligned offset address using ld/std into
8003         indirect address.
8004
8005 2005-01-07  Richard Henderson  <rth@redhat.com>
8006
8007         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
8008
8009 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
8010
8011         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
8012
8013 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
8014
8015         PR tree-optimization/19283
8016         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
8017         is not shorter than the original type.
8018
8019         PR rtl-optimization/19012
8020         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
8021
8022         PR rtl-optimization/18861
8023         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
8024         (FULL_STATE): Define.
8025         (mark_tablejump_edge): New function.
8026         (purge_dead_tablejump_edges): New function.
8027         (find_bb_boundaries): Use it.
8028
8029         PR tree-optimization/18828
8030         * builtins.c (expand_builtin_next_arg): Remove argument and all
8031         the argument checking.
8032         (expand_builtin): Adjust caller.
8033         (expand_builtin_va_start): Likewise.  Remove error for too many
8034         arguments.
8035         (fold_builtin_next_arg): Issue error for too many arguments.
8036         After checking arguments, replace them with magic arguments that
8037         prevent further checking of the args.
8038
8039 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8040
8041         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
8042
8043 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8044
8045         PR target/6077
8046         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
8047         and %{.S:...} (and their negative variants) to test whether the
8048         input file is assembler or pre-processed-assembler independent of
8049         the actual filename extension.
8050
8051 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8052
8053         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
8054         of sign or zero extended values.
8055
8056 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
8057
8058         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
8059         for IBM long double format correctly.
8060
8061 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
8062
8063         Fix PR tree-optimization/18792
8064
8065         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
8066         to first_loop_depth, and use loop depth instead of loop number.
8067         (build_classic_dir_vector): Ditto.
8068         (compute_data_dependences_for_loop): Use depth, not loop number.
8069         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
8070         number. Pass in loops, instead of loop numbers.
8071         (gather_interchange_stats): Ditto.
8072         (linear_transform_loops): Ditto.
8073
8074 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
8075
8076         PR rtl-opt/13299
8077         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
8078         biv_fits_mode_p, extension_within_bounds_p): New functions.
8079         (check_ext_dependent_givs): Use them.
8080
8081 2005-01-06  Roger Sayle  <roger@eyesopen.com>
8082
8083         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
8084         more than one barrier, in which case we should delete them all.
8085
8086 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
8087
8088         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
8089
8090 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
8091
8092         Fix PR middle-end/19286
8093         Fix PR debug/19267
8094         * dwarf2out.c (gen_subprogram_die): If we've already tried to
8095         output this subprogram, simply ignore this attempt to do it again.
8096         (add_abstract_origin_attribute): Don't abort trying to add the abstract
8097         origin attribute if it's not possible.
8098         (gen_block_die): Don't ignore subblocks of "unused" blocks.
8099         (decls_for_scope): Ditto.
8100         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
8101         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
8102
8103 2005-01-05  Richard Henderson  <rth@redhat.com>
8104
8105         PR target/11327
8106         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
8107         (bdesc_2arg): Use it.
8108         (ix86_expand_binop_builtin): Force operands into registers
8109         when optimizing.
8110         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
8111         ix86_expand_sse_compare, ix86_expand_sse_comi,
8112         ix86_expand_builtin): Likewise.
8113
8114 2005-01-05  Richard Henderson  <rth@redhat.com>
8115
8116         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
8117         and VEC_SELECT.
8118         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
8119         (mulv4hi3): Set itanium_class mmmul.
8120         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
8121         (fpack): Rename from fpack_sfsf.
8122
8123 2005-01-05  Richard Henderson  <rth@redhat.com>
8124
8125         PR rtl-opt/10692
8126         * reload1.c (do_input_reload): Restrict the optimization deleteing
8127         a previous output reload to RELOAD_FOR_INPUT.
8128
8129 2005-01-05  Steven Bosscher  <stevenb@suse.de>
8130
8131         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
8132         comment that we fall through after case.
8133         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
8134         (distribute_links): Likewise.
8135         * cse.c (cse_insn): Likewise.
8136         * cselib.c (cselib_invalidate_mem): Likewise.
8137         * df.c: Update comments at the top of the file.
8138         (read_modify_subreg_p): Update comments here too.
8139         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
8140         * flow.c (mark_set_1): Likewise.
8141         (mark_used_regs): Likewise.
8142         * gcse.c (mems_conflict_for_gcse_p): Likewise.
8143         (canon_list_insert): Likewise.
8144         (mark_set): Likewise.
8145         (try_replace_reg): Likewise.
8146         (store_killed_in_insn): Likewise.
8147         * loop.c (count_one_set): Likewise.
8148         (basic_induction_var): Likewise.
8149         * postreload-gcse.c (find_mem_conflicts): Likewise.
8150         * postreload.c (reload_combine_note_store): Likewise.
8151         (move2add_note_store): Likewise.
8152         * reload.c (find_equiv_reg): Likewise.
8153         (mark_referenced_resources): Likewise.
8154         * rtlanal.c (set_noop_p): Likewise.
8155         (note_stores): Likewise.
8156         (note_uses): Likewise.
8157         * sched-deps.c (sched_analyze_1): Likewise.
8158         * sched-rgn.c (check_live_1): Likewise.
8159         (update_live_1): Likewise.
8160         * config/i860/i860.c: Likewise.
8161
8162         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
8163         an lvalue.
8164         (ZERO_EXTRACT): Mention that this one can be an lvalue.
8165
8166         * doc/rtl.texi: Update documentation for bit-fields and SET.
8167
8168 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8169
8170         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
8171
8172 2005-01-05  Jan Hubicka  <jh@suse.cz>
8173             Richard Henderson  <rth@redhat.com>
8174
8175         PR target/18910
8176         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
8177         with an offset.
8178
8179 2005-01-05  Richard Henderson  <rth@redhat.com>
8180
8181         PR target/12902
8182         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
8183         (sse_shufps): Change operand 3 to const_int_operand.
8184         (sse2_storelps): Fix typo in template.
8185         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
8186         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
8187         (ix86_expand_builtin): Likewise.
8188
8189 2005-01-05  Julian Brown  <julian@codesourcery.com>
8190
8191         * config/arm/arm.c (arm_return_in_memory): Treat complex types
8192         as aggregates for AAPCS ABIs.
8193
8194 2005-01-05  Stan Shebs  <shebs@apple.com>
8195
8196         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
8197         Mach-O getters if ppc64.
8198         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
8199         size argument.
8200         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
8201         signed four-byte field for global code case.
8202         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
8203
8204 2005-01-05  Roger Sayle  <roger@eyesopen.com>
8205
8206         PR middle-end/19100
8207         * c-common.c: Include real.h.
8208         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
8209         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
8210         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
8211         * Makefile.in (c-common.o): Update dependencies.
8212
8213 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8214
8215         * c-parse.in (asm_string): Add trailing semicolon.
8216
8217 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8218
8219         * c-parse.in (asm_string): New.  Don't allow wide strings in
8220         'asm'.
8221         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
8222         asm_string instead of STRING.
8223
8224 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
8225
8226         * c-typeck.c (constructor_no_implicit): Remove.
8227         (set_designator, process_init_element): Don't check
8228         constructor_no_implicit.
8229
8230 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
8231             Kaz Kojima  <kkojima@gcc.gnu.org>
8232
8233         PR target/16482
8234         * lcm.c (create_pre_exit): New.
8235         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
8236         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
8237
8238 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8239
8240         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
8241         -msoft-float in target_float_switch.
8242         * arm.c (arm_override_options): Fix processing of target_float_switch.
8243
8244 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
8245
8246         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
8247         preferencing.
8248
8249 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
8250
8251         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
8252         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
8253
8254 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8255
8256         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
8257         if deleting the then-block allows the test-block to fallthru to the
8258         else-block.
8259
8260 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
8261
8262         PR c/19152
8263         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
8264         after the full declaration if the are in two different TUs.
8265
8266 2005-01-04  Richard Henderson  <rth@redhat.com>
8267
8268         PR tree-opt/19158
8269         * tree-sra.c (generate_one_element_init): Just
8270         call gimplify_and_add.
8271         (generate_element_init): Record the
8272         new referenced variables and mark them for renaming
8273         and split out to ...
8274         (generate_element_init_1): This.
8275         (scalarize_init): Don't call push_gimplify_context/
8276         pop_gimplify_context.
8277
8278 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
8279
8280         * toplev.c (get_src_pwd): Handle failure of getpwd().
8281
8282 2005-01-04  Roger Sayle  <roger@eyesopen.com>
8283
8284         * fold-const.c (fold_single_bit_test): Delete unreachable handling
8285         of TRUTH_NOT_EXPR.
8286         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
8287         all the cases handled by it are inverted by invert_truthvalue.
8288
8289 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8290
8291         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
8292         (save_register_windowsi): Likewise.
8293
8294 2005-01-04  Richard Henderson  <rth@redhat.com>
8295
8296         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
8297
8298 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8299
8300         PR middle-end/17767
8301         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
8302         any simplifications of vector mode comparison operators.
8303         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
8304
8305 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
8306             Devang Patel  <dpatel@apple.com>
8307
8308         PR tree-optimization/18308
8309         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
8310         the operands before creating a new expression.
8311         * dojump.c (do_jump): Make drop_through_label available
8312         for all cases.  Add expansion of COND_EXPR.
8313
8314 2005-01-04  Ira Rosen  <irar@il.ibm.com>
8315
8316         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
8317         INTEGER_CST instead of TREE_CONSTANT.
8318         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
8319         instead of TREE_CONSTANT.
8320         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
8321         instead of TREE_CONSTANT.
8322
8323 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8324
8325         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
8326
8327 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
8328
8329         PR target/19240
8330         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
8331         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
8332
8333 2005-01-03  Richard Henderson  <rth@redhat.com>
8334
8335         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
8336         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
8337         fold_convert_const_real_from_real): Split out from ...
8338         (fold_convert_const): ... here.
8339
8340 2005-01-03  Richard Henderson  <rth@redhat.com>
8341
8342         PR target/19235
8343         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
8344         (mov<MMXMODEI>_internal): Likewise.
8345         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
8346         Add V2SF case; use it for SSE1; don't use TI.
8347         (movdf_integer): Likewise.
8348         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
8349
8350 2005-01-03  Ira Rosen  <irar@il.ibm.com>
8351
8352         * tree-vectorizer.c (vect_strip_conversions): New function.
8353         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
8354         check for binary class.
8355
8356 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
8357
8358         Fix PR debug/17924
8359         Fix PR debug/19191
8360         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
8361         is a decl.
8362         * gimple-low.c (mark_blocks_with_used_vars): New function.
8363         (mark_blocks_with_used_subblocks): Ditto.
8364         (mark_used_blocks): Ditto.
8365         (pass_mark_used_blocks): New pass.
8366         * tree-inline.c: Include debug.h.
8367         (expand_call_inline): Call outlining_inline_function here.
8368         * tree-optimize.c (init_tree_optimization_passes): Add
8369         pass_mark_used_blocks.
8370         * tree-pass.h (pass_mark_used_blocks): New.
8371         * Makefile.in (tree-inline.o): Add debug.h dependency.
8372
8373 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
8374
8375         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
8376         VAR_DECLs to have weak_import attribute.
8377
8378         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
8379         'struct ucontext'.
8380
8381 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8382
8383         * passes.c (rest_of_compilation): Don't run regmove if only
8384         flag_expensive_optimizations, require flag_regmove instead.
8385
8386 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8387
8388         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8389         register "sparc".
8390         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8391         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8392         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8393         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8394
8395 2005-01-03  Richard Henderson  <rth@redhat.com>
8396
8397         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8398         (ia64_const_ok_for_letter_p): New.
8399         (ia64_const_double_ok_for_letter_p): New.
8400         (ia64_extra_constraint): New.
8401         (ia64_expand_vecint_compare): New.
8402         (ia64_expand_vcondu_v2si): New.
8403         (ia64_expand_vecint_cmov): New.
8404         (ia64_expand_vecint_minmax): New.
8405         (ia64_print_operand): Add 'v'.
8406         (ia64_preferred_reload_class): New.
8407         (ia64_vector_mode_supported_p): New.
8408         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8409         (PREFERRED_RELOAD_CLASS): Move to function.
8410         (CONST_OK_FOR_LETTER_P): Move to function.
8411         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8412         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8413         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8414         (EXTRA_CONSTRAINT): Move to function.
8415         * config/ia64/ia64.md: Include vect.md.
8416         (itanium_class): Add mmalua.
8417         (type): Handle it.
8418         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8419         (1b_mmalua): New.
8420         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8421         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8422         CONST0_RTX.
8423         (const_int_2bit_operand): New.
8424         (fr_reg_or_0_operand): New.
8425         * config/ia64/ia64-modes.def: Add vector modes.
8426         * config/ia64/ia64-protos.h: Update.
8427         * config/ia64/vect.md: New file.
8428
8429 2005-01-03  Richard Henderson  <rth@redhat.com>
8430
8431         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8432
8433 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8434
8435         PR target/19236
8436         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8437         to SFmode.
8438         (log1pdf2): Change mode of operands[0,1] to DFmode.
8439
8440 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8441
8442         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8443         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8444         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8445         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8446         SPARC_RELAXED_ORDERING.
8447
8448 2005-01-03  Richard Henderson  <rth@redhat.com>
8449             Uros Bizjak  <uros@kss-loka.si>
8450
8451         PR target/14631
8452         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8453         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8454         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8455         handling.
8456         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8457         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8458         const_pow2_1_to_128_operand): New predicates.
8459
8460 2005-01-02  Greg McGary  <greg@mcgary.org>
8461
8462         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8463         anonymous decls.
8464         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8465         object.  [ptr_type]: Remove unused variable.
8466         Remember nearest addressable array-element or record-component
8467         when checking bitfield components.  Tolerate empty BIND_EXPR.
8468
8469 2005-01-01  Richard Henderson  <rth@redhat.com>
8470
8471         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8472         that don't narrow the value.  Fail for other conversions.
8473
8474 2005-01-01  Richard Henderson  <rth@redhat.com>
8475
8476         PR c/19031
8477         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8478         * c-lang.c (finish_file): Don't do it here.
8479         * objc/objc-act.c (objc_finish_file): Likewise.
8480
8481         * cgraph.c (decl_assembler_name_equal): New.
8482         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8483         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8484         * cgraph.h (struct cgraph_varpool_node): Add next.
8485         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8486         * varasm.c (assemble_alias): Mark the target as needed.
8487
8488 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8489
8490         PR middle-end/19221
8491         * function.c (get_arg_pointer_save_area): Use entry_of_function
8492         instead of get_insns.
8493
8494 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8495             Andrew Pinski  <pinskia@physics.uc.edu>
8496             James E. Wilson  <wilson@specifixinc.com>
8497
8498         PR rtl-optimization/12092
8499         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8500         is zero.
8501
8502 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8503             Olivier Hainque  <hainque@act-europe.fr>
8504
8505         * tree.c (int_fits_type_p): A narrower type always fits in a
8506         wider one, except for negative values into unsigned types.
8507
8508 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8509
8510         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8511         with the original constant rather than require TREE_OVERFLOW.
8512
8513 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8514
8515         PR middle-end/17544
8516         * c-decl.c (finish_function): If compiling C99, annotate the
8517         compiler generated return with the current file name and line 0.
8518         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8519         the source line is greater than 0.
8520         (remove_bb): Likewise.
8521
8522 See ChangeLog.12 for earlier changes.