gcc/ChangeLog

   1 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
   2
   3         * output.h (init_section, fini_section): Delete.
   4         * varasm.c (init_section, fini_section): Delete.
   5         (init_varasm_once): Don't initialize them.
   6         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
   7         there are no corresponding varasm.c variables.
   8
   9 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
  10
  11         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
  12         of EH_FRAME_SECTION_NAME into...
  13         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
  14         if it is still null.
  15         * except.c (default_exception_section): Delete, moving most
  16         of the code to...
  17         (switch_to_exception_section): ...this new function.  Set
  18         exception_section if it is still null, then switch to it.
  19         (output_function_exception_table): Use switch_to_exception_section.
  20         * varasm.c (exception_section, eh_frame_section): Update comments.
  21         (get_section): Hoist use of SECTION_NAMED.
  22         (init_varasm_once): Don't set exception_section and eh_frame_section.
  23         * output.h (default_exception_section): Delete.
  24         (default_eh_frame_section): Delete.
  25
  26 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
  27
  28         * config/bfin/bfin.c: Include "cgraph.h".
  29         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
  30         Return the reg that holds the pointer to the GOT.
  31         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
  32         doing stack checking.
  33
  34 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
  35
  36         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
  37         recompute_tree_invarant_for_addr_expr.
  38         Update uses everywhere.
  39
  40 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
  41
  42         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
  43         (MULTILIB_DIRNAMES): Define.
  44
  45 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
  46
  47         PR target/25311
  48         * config/s390/s390.c (struct s390_address): New field literal_pool.
  49         (s390_decompose_address): Compute literal_pool field.  Do not
  50         assume register %r13 is always (and solely) used as pool base.
  51         (s390_extra_constraint_str): Use literal_pool field.
  52
  53 2005-12-09  Thiemo Seufer  <ths@networkno.de>
  54
  55         * config/mips/mips.c (override_options): Don't allow too small
  56         integers in FP registers.
  57
  58 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
  59
  60         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
  61         targetm.binds_local_p to check for local function calls.
  62
  63 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
  64
  65         PR debug/24908
  66         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
  67         call_used_regs can't be used to save reg in another reg.
  68
  69 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  70             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
  71
  72         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
  73         abort.
  74         * except.c (output_ttype): Likewise.
  75         * tree-object-size.c (collect_object_sizes_for): Likewise.
  76         (check_for_plus_in_loops_1): Likewise.
  77         (check_for_plus_in_loops): Likewise.
  78         (compute_object_sizes): Use gcc_unreachable instead of abort.
  79
  80 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
  81
  82         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
  83         (loop_end, loop_init, doloop_end): New insns.
  84         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
  85         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
  86         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
  87         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
  88         * config/ms1/ms1.c: #include basic-block.h
  89         (struct machine_function): Add has_loops field.
  90         (ms1_add_loop): New.
  91         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
  92         (struct loop_info, struct loop_work): New.
  93         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
  94         (ms1_reorg_loops): New loop optimization.
  95         (ms1_machine_reorg): Call it.
  96         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
  97
  98 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
  99
 100         PR tree-optimization/25248
 101         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
 102         evolution_of_loop from the failed attempt.  Remove handling
 103         of MULT_EXPR.
 104
 105 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 106
 107         * tree.h (DECL_EXTERNAL): Clarify documentation.
 108
 109 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
 110             Jakub Jelinek  <jakub@redhat.com>
 111
 112         PR target/25268
 113         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
 114         argument.  Don't drop outer ANDs.
 115         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
 116         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
 117         prototype.
 118         * config/s390/predicates.md (setmem_operand): Remove.
 119         (shift_count_operand): Rename to...
 120         (shift_count_or_setmem_operand): ... this.  Adjust
 121         s390_decompose_shift_count caller.
 122         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
 123         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
 124         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
 125         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
 126         rotl<mode>3_and, setmem_long_and): New insns.
 127         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
 128         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
 129         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
 130         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
 131         of shift_count_operand.
 132         (setmem_long): Use shift_count_or_setmem_operand instead of
 133         setmem_operand.
 134
 135 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>
 136             Andreas Tobler  <a.tobler@schweiz.ch>
 137
 138         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
 139         tr expression.
 140
 141 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 142
 143         * expr.c (force_operand): Use convert_to_mode for conversions.
 144
 145 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 146
 147         * reload.h (reg_equiv_invariant): Declare.
 148         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
 149         register also when reg_equiv_invariant[R] is set.
 150
 151 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 152             Andreas Tobler  <a.tobler@schweiz.ch>
 153
 154         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
 155
 156 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
 157
 158         * tree-ssa-pre.c (bitmap_set_and): New function.
 159         (bitmap_set_and_compl): New function.
 160         (bitmap_set_empty_p): New function.
 161         (insert_extra_phis): New function.
 162         (compute_avail): Use insert_extra_phis.
 163
 164 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
 165
 166         * config/s390/s390.c (s390_expand_atomic): New function.
 167         Adjust comment of helper functions.
 168         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
 169         * config/s390/s390.md ("ATOMIC"): New code macro.
 170         ("atomic"): Corresponding new code attribute.
 171         ("sync_lock_test_and_set[hq]i",
 172         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
 173
 174 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
 175
 176         * config/s390/s390.c (s390_expand_mask_and_shift,
 177         struct alignment_context, init_alignment_context,
 178         s390_expand_cs_hqi): New.
 179         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
 180         * config/s390/s390.md ("sync_compare_and_swaphi",
 181         "sync_compare_and_swapqi"): New pattern.
 182
 183 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
 184
 185         Fix PR tree-optimization/25291
 186         * tree-ssa-operands.c (add_call_clobber_ops): Remove
 187         redundant and crashing check.
 188
 189 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
 190
 191         PR target/25212
 192         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
 193         tests further when !strict && reload_in_progress.
 194         (print_operand): Check that both operands of indexed address are regs.
 195         (print_operand_address): Likewise.
 196         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
 197         (INT_REG_OK_FOR_BASE_P): Correct.
 198
 199 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 200
 201         Preparation for PR rtl-optimization/20070 / part1
 202         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
 203         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
 204         outgoing_edges_match.
 205         (outgoing_edges_match): Use condjump_equiv_p.
 206         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
 207         into..
 208         * struct-equiv.c: New file.
 209         (death_notes_match_p) New function, broken out of insns_match_p.
 210         * Makefile.in (OBJS-common): Add struct-equiv.o.
 211         (struct-equiv.o): New target.
 212
 213 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 214
 215         * coretypes.h: Revert previous change.
 216         * config/darwin.h: Revert previous reversion.
 217         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
 218
 219 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 220
 221         * coretypes.h (section): Provide dummy definition for target files.
 222         * config/darwin.h: Revert previous change.
 223
 224 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 225
 226         * doc/sourcebuild.texi (all.build, install-normal): Remove.
 227         * configure.ac: Remove all.build and install-normal from target_list
 228         * configure: Regenerate.
 229         * Makefile.in (install): Don't depend on install-normal.
 230
 231 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 232
 233         * Makefile.in: Document the use of stamps.
 234
 235 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 236
 237         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
 238         * Makefile.in: Add code to compute some dependencies on s-gtype
 239         automatically.  Remove the declaration of those dependencies.
 240
 241 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 242
 243         * gcc/reload.c (push_secondary_reload): Fix typo:
 244         s/insn_constraint/scratch_constraint/.
 245
 246 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 247
 248         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
 249
 250 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 251
 252         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
 253         (alpha_elf_select_rtx_section): Return the selected section rather
 254         than emitting assembly code.
 255         (alpha_write_linkage): Emit a ".link" directive directly and then
 256         set in_section to NULL.
 257         (vms_asm_out_constructor): Use switch_to_section.
 258         (vms_asm_out_destructor): Likewise.
 259         (unicosmk_output_common): Set in_section to NULL instead of calling
 260         the dummy common_section function.
 261         (unicosmk_text_section): Delete in favor of...
 262         (unicosmk_output_text_section_asm_op): ...this new function.
 263         (unicosmk_data_section): Delete in favor of...
 264         (unicosmk_output_data_section_asm_op): ...this new function.
 265         (unicosmk_init_sections): New function.
 266         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
 267         (unicosmk_output_ssib): Set in_section to NULL instead of calling
 268         the dummy ssib_section function.
 269         (unicosmk_section_buf): Delete.
 270         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
 271         (unicosmk_data_section): Delete.
 272         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 273         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
 274         (SECTION_FUNCTION_TEMPLATE): Delete.
 275         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
 276         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 277         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
 278         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 279         (TARGET_ASM_INIT_SECTIONS): Define.
 280         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
 281         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 282         (link_section, literals_section): Delete.
 283         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
 284         set in_section to NULL.
 285
 286         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
 287         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
 288         (COMMON_SECTION): Delete.
 289         (TARGET_ASM_INIT_SECTIONS): Define.
 290         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
 291         the dummy common_section function.
 292         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 293         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
 294         between readonly_data_section and text_section to check whether
 295         read-only data is being put in the text section.
 296         (arm_output_function_epilogue): Use switch_to_section.
 297         (arm_elf_asm_constructor): Likewise.
 298         (thumb_call_via_reg): Replace call to in_text_section with
 299         a comparison between in_section and text_section.
 300         (arm_file_end): Use switch_to_section.
 301         (aof_text_section): Delete in favor of...
 302         (aof_output_text_section_asm_op): ...this new function.
 303         (aof_data_section): Delete in favor of...
 304         (aof_output_data_section_asm_op): ...this new function.
 305         (aof_asm_init_sections): New function.
 306         (zero_init_section): Moved from config/arm/aof.h.
 307         (aof_dump_imports, aof_file_start): Use switch_to_section.
 308         * config/arm/arm.h (thumb_call_via_label): Update comment.
 309         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
 310         (common_section): Delete.
 311         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 312         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 313         global switch_to_section function instead of the old port-local one.
 314         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
 315         (SWITCH_TO_SECTION_FUNCTION): Delete.
 316         (drectve_section): Redefine as a macro.
 317         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
 318         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
 319         switch_to_section.
 320
 321         * config/avr/avr.c (progmem_section): New variable.
 322         (avr_output_progmem_section_asm_op): New function.
 323         (avr_asm_init_sections): New function.
 324         (avr_output_addr_vec_elt): Use switch_to_section.
 325         * config/avr/avr.h (progmem_section): Declare.
 326         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 327         (READONLY_DATA_SECTION): Delete.
 328         (TARGET_ASM_INIT_SECTIONS): Define.
 329         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
 330         * config/avr/avr-protos.h (progmem_section): Delete.
 331
 332         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 333
 334         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 335         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
 336
 337         * config/darwin-sections.def: New file.
 338         * config/darwin.c: Define all sections in darwin-sections.def.
 339         (output_objc_section_asm_op, darwin_init_sections): New functions.
 340         (machopic_output_indirection): Use switch_to_section.
 341         (machopic_select_section): Return the selected section rather than
 342         emitting assembly code.  Replace the static function table with
 343         inline conditional expressions.  Update the tests of last_text_section
 344         and move them into the FUNCTION_DECL block.
 345         (machopic_select_rtx_section): Return the selected section rather than
 346         emitting assembly code.
 347         (machopic_asm_out_constructor, machopic_asm_out_destructor)
 348         (darwin_file_end): Use switch_to_section.
 349         * config/darwin.h: Use darwin-sections.def to declare sections.
 350         (INIT_SECTION_ASM_OP): Remove empty definition.
 351         (HAS_INIT_SECTION): Define this instead.
 352         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 353         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
 354         (TARGET_ASM_EH_FRAME_SECTION): Delete.
 355         (TARGET_ASM_INIT_SECTIONS): Define.
 356         * config/darwin-protos.h (darwin_init_sections): Declare.
 357         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
 358         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
 359         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
 360         (constructor_section, destructor_section, mod_init_section): Delete.
 361         (mod_term_section): Delete.
 362         (darwin_exception_section, darwin_eh_frame_section): Delete.
 363         (machopic_select_section): Return a section.
 364         (machopic_select_rtx_section): Likewise.
 365         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
 366         (const_section, const_coal_section, const_data_section): Delete.
 367         (const_data_coal_section, data_coal_section, cstring_section): Delete.
 368         (literal4_section, literal8_section, constructor_section): Delete.
 369         (mod_init_section, mod_term_section, destructor_section): Delete.
 370         (objc_class_section, objc_meta_class_section, objc_category_section)
 371         (objc_class_vars_section, objc_instance_vars_section): Delete.
 372         (objc_cls_meth_section, objc_inst_meth_section): Delete.
 373         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
 374         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
 375         (objc_symbols_section, objc_module_info_section): Delete.
 376         (objc_image_info_section, objc_protocol_section): Delete.
 377         (objc_string_object_section, objc_constant_string_object_section)
 378         (objc_class_names_section, objc_meth_var_names_section): Delete.
 379         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
 380         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
 381         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
 382         (darwin_exception_section, darwin_eh_frame_section): Delete.
 383         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
 384
 385         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
 386         (frv_asm_out_destructor): Likewise.
 387         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 388         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
 389         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
 390         get_named_section.
 391         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
 392         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
 393         (data_section): Delete.
 394
 395         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 396         (DRECTVE_SECTION_FUNCTION): Delete.
 397         (drectve_section): Redefine as a macro that sets in_section after
 398         emitting the directive.
 399         (SWITCH_TO_SECTION_FUNCTION): Delete.
 400         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
 401         in_text_section with comparison between in_section and text_section.
 402         * config/i386/i386.c (x86_64_elf_select_section): Return the section
 403         rather than emitting assembly code.  Use get_named_section.
 404         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
 405         get_named_section.
 406         (machopic_output_stub): Use switch_to_section.
 407         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
 408         (nwld_named_section_asm_out_destructor): Use get_section and
 409         switch_to_section.
 410
 411         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
 412         rather than emitting assembly code.
 413         (ia64_rwreloc_select_section): Likewise.
 414         (ia64_rwreloc_select_rtx_section): Likewise.
 415         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
 416         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
 417         switch_to_section.
 418         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 419         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
 420
 421         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
 422         section rather than emitting assembly code.
 423         (iq2000_select_section): Likewise.
 424         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
 425         (sbss_section): Delete.
 426
 427         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
 428         and get_named_section.
 429         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
 430
 431         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
 432         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
 433         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
 434         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
 435         in_section to NULL.
 436         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 437         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 438         global switch_to_section function instead of the old port-local one.
 439         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 440         (SWITCH_SECTION_FUNCTION): Delete.
 441         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
 442         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
 443         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
 444         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
 445         in_section to NULL.
 446         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 447         global switch_to_section function instead of the old port-local one.
 448         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 449
 450         * config/mips/mips.c (mips_file_start): Update comment.
 451         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
 452         (mips_output_aligned_decl_common): Use switch_to_section.
 453         (mips_select_rtx_section): Return the section rather than emitting
 454         assembly code.  Use get_named_section.
 455         (mips_function_rodata_section: Likewise get_section.
 456         (build_mips16_function_stub): Use switch_to_section.
 457         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
 458         (SDATA_SECTION_ASM_OP): Delete.
 459         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
 460         (EXTRA_SECTION_FUNCTIONS): Delete.
 461
 462         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
 463         (mmix_asm_output_aligned_local): Use switch_to_section.
 464
 465         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
 466         (som_one_only_readonly_data_section): New variables.
 467         (pa_output_function_epilogue): Set in_section to NULL instead of
 468         calling forget_section.
 469         (output_deferred_plabels): Use select_section.
 470         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
 471         of calling forget_section.
 472         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
 473         (pa_asm_output_aligned_local): Use select_section.
 474         (som_text_section_asm_op): Delete in favor of...
 475         (som_output_text_section_asm_op): ...this new function.
 476         (pa_som_asm_init_sections): New function.
 477         (pa_select_section): Return the section rather than emitting
 478         assembly code.
 479         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 480         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
 481         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
 482         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
 483         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
 484         (som_readonly_data_section, som_one_only_readonly_data_section)
 485         (som_one_only_data_section, forget_section): Delete.
 486         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
 487         (TARGET_ASM_INIT_SECTIONS): Define.
 488         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
 489
 490         * config/rs6000/rs6000.c (read_only_data_section): New variable.
 491         (private_data_section, read_only_private_data_section): New variables.
 492         (sdata2_section, toc_section): New variables.
 493         (rs6000_file_start): Use switch_to_section.
 494         (rs6000_assemble_integer): Use comparisons against in_section
 495         instead of calling in_toc_section and in_text_section.  Use
 496         unlikely_text_section_p.
 497         (rs6000_elf_output_toc_section_asm_op): New function, derived
 498         from the old rs6000/sysv4.h toc_section function.
 499         (rs6000_elf_asm_init_sections): New function.
 500         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
 501         the section rather than emitting assembly code.
 502         (machopic_output_stub): Use switch_to_section.
 503         (toc_section): Delete dummy function.
 504         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
 505         switch_to_section and get_section.
 506         (rs6000_xcoff_output_readonly_section_asm_op): New function.
 507         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
 508         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
 509         the old rs6000/xcoff.h toc_section function.
 510         (rs6000_xcoff_asm_init_sections): New function.
 511         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
 512         the section rather than emitting assembly code.
 513         (rs6000_xcoff_file_start): Use switch_to_section.
 514         (rs6000_xcoff_file_end): Likewise.
 515         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
 516         (sdata2_section, sbss_section, private_data_section): Delete.
 517         (read_only_data_section, read_only_private_data_section): Delete.
 518         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 519         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
 520         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
 521         (FINI_SECTION_FUNCTION): Delete.
 522         (TARGET_ASM_INIT_SECTIONS): Define.
 523         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 524         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 525         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
 526         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
 527         (READONLY_DATA_SECTION): Delete.
 528         (TARGET_ASM_INIT_SECTIONS): Define.
 529         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
 530         to NULL rather than no_section.
 531         (TARGET_ASM_EXCEPTION_SECTION): Delete.
 532
 533         * config/sh/sh.c (sh_file_start): Use switch_to_section.
 534
 535         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
 536         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
 537         from call to current_function_section.
 538
 539         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
 540         (bss100_section): New variable.
 541         (xstormy16_asm_output_aligned_common): Use switch_to_section.
 542         (xstormy16_asm_init_sections): New function.
 543         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
 544         switch_to_section and get_section.
 545         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
 546         from calls to current_function_section.
 547         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
 548         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
 549         (TARGET_ASM_INIT_SECTIONS): Define.
 550         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
 551
 552         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 553         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
 554         (FINI_SECTION_FUNCTION): Delete.
 555
 556         * config/v850/v850.c: Include gt-v850.h.
 557         (rosdata_section, rozdata_section, tdata_section, zdata_section)
 558         (zbss_section): New variables.
 559         (v850_output_aligned_bss): Use switch_to_section.
 560         (v850_asm_init_sections): New function.
 561         (v850_select_section): Return the section rather than emitting
 562         assembly code.
 563         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 564         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
 565         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
 566         (TARGET_ASM_INIT_SECTIONS): Define.
 567         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
 568         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
 569         (zbss_section): Delete.
 570
 571         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 572
 573         * config/vx-common.h (vxworks_exception_section): Delete.
 574         (TARGET_ASM_EXCEPTION_SECTION): Delete.
 575
 576         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
 577         section rather than emitting assembly code.
 578         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
 579         switch_to_section.
 580
 581         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
 582         * coretypes.h (section): New union and typedef.
 583         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
 584         from call to current_function_section.
 585         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
 586         (dbxout_symbol_location): Use switch_to_section.
 587         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
 588         most of the code into...
 589         (default_eh_frame_section): ...here.  Return a section.
 590         (collect2_eh_frame_section): Delete, moving most of the code into..
 591         (switch_to_eh_frame_section): ...this new function.
 592         (debug_info_section, debug_abbrev_section, debug_aranges_section)
 593         (debug_macinfo_section, debug_line_section, debug_loc_section)
 594         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
 595         variables.
 596         (output_call_frame_info): Call switch_to_eh_frame_section instead of
 597         eh_frame_section.  Use switch_to_section and get_section.
 598         (dwarf2out_begin_prologue): Use switch_to_section.
 599         (AT_string_form): Check the flags in debug_str_section instead of
 600         DEBUG_STR_SECTION_FLAGS.
 601         (output_comp_unit): Use switch_to_section, get_section, and
 602         debug_info_section.
 603         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
 604         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
 605         from call to current_function_section.
 606         (dwarf2out_var_location): Use unlikely_text_section_p.
 607         (dwarf2out_source_line): Use switch_to_section.  Remove argument
 608         from call to current_function_section.
 609         (dwarf2out_start_source_file, dwarf2out_end_source_file)
 610         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
 611         debug_macinfo_section.
 612         (dwarf2out_init): Initialize the new section variables.  Use them
 613         instead of calls to named_section_flags.  Use switch_to_section.
 614         (output_indirect_string): Use switch_to_section and debug_str_section.
 615         (dwarf2out_finish): Use switch_to_section and the new section
 616         variables.
 617         * except.c (default_exception_section): Return the section instead
 618         of emitting assembly code.
 619         (output_function_exception_table): Use the global exception_section
 620         variable instead of the target hook.  Use switch_to_section.  Remove
 621         argument from call to current_function_section.
 622         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
 623         (shorten_branches): Use pointer comparisons to detect whether the
 624         text section is the same as readonly_data_section.
 625         (profile_function): Use switch_to_section.  Remove argument from
 626         call to current_function_section.
 627         (final_scan_insn): Likewise.  Update use of last_text_section.
 628         * gengtype.c (open_base_files): Add an include of output.h.
 629         * output.h (text_section, data_section, readonly_data_section)
 630         (ctors_section, dtors_section, bss_section, init_section)
 631         (fini_section, sdata_section): Turn into section pointers.
 632         (in_text_section, in_unlikely_text_section, exports_section)
 633         (drectve_section, named_section, mergeable_string_section)
 634         (last_text_section_name): Delete.
 635         (default_exception_section, default_eh_frame_section): Return sections.
 636         (SECTION_DECLARED, SECTION_NAMED): New macros.
 637         (SECTION_MACH_DEP): Bump value.
 638         (section_common, named_section, unnamed_section): New structures.
 639         (unnamed_section_callback): New typedef.
 640         (section): New union.
 641         (sbss_section, exception_section, eh_frame_section): New variables.
 642         (in_section, last_text_section): Turn into section pointers.
 643         (get_unnamed_section, get_section, get_named_section): New functions.
 644         (mergeable_constant_section, function_section): Return a section.
 645         (unlikely_text_section): Likewise.
 646         (current_function_section): Likewise.  Remove the decl argument.
 647         (unlikely_text_section_p, switch_to_section): New functions.
 648         (output_section_asm_op): New function.
 649         (set_named_section_flags, named_section_flags, named_section_real)
 650         (named_section_first_declaration): Delete.
 651         (default_select_section, default_elf_select_section): Return a section.
 652         (default_elf_select_section_1, default_function_rodata_section)
 653         (default_no_function_rodata_section, default_select_rtx_section)
 654         (default_elf_select_rtx_section): Likewise.
 655         * rtl.h (in_data_section): Delete.
 656         * sdbout.c (sdbout_one_type): Use switch_to_section.
 657         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
 658         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
 659         (TARGET_ASM_EH_FRAME_SECTION): Poison.
 660         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
 661         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
 662         (TARGET_ASM_OUT): Update after above changes.
 663         * target.h (init_sections): New hook.
 664         (exception_section, eh_frame_section): Delete.
 665         (select_section, select_rtx_section, function_rodata_section): Return
 666         a section rather than emitting assembly code.
 667         * varasm.c (text_section, data_section, readonly_data_section)
 668         (ctors_section, dtors_section, bss_section, init_section)
 669         (fini_section): Turn into section pointers.
 670         (sdata_section, sbss_section, exception_section): New variables.
 671         (eh_frame_section): New variable.
 672         (in_section): Make global and turn into a section pointer.
 673         (last_text_section): Turn into a section pointer.
 674         (unnamed_sections): New variable.
 675         (in_named_name, last_text_section_name): Delete.
 676         (EXTRA_SECTION_FUNCTIONS): Delete.
 677         (in_named_entry): Delete.
 678         (section_htab): New variable, replacing...
 679         (in_named_htab): ...this deleted variable.
 680         (section_entry_eq, section_entry_hash): New functions, based on...
 681         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
 682         (get_unnamed_section, get_section): New functions.
 683         (unlikely_text_section): Return a section instead of emitting
 684         assembly code.
 685         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
 686         (get_named_section_flags, named_section_first_declaration): Delete.
 687         (unlikely_text_section_p): New function.
 688         (named_section_real, named_section): Delete.
 689         (get_named_section): New function.
 690         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
 691         (function_section): Return a section rather than emitting
 692         assembly code.
 693         (current_function_section): Likewise.  Remove argument.  Use
 694         last_text_section if nonnull, otherwise use function_section.
 695         (default_function_rodata_section): Return a section rather than
 696         emitting assembly code.  Use get_section.
 697         (default_no_function_rodata_section): Return a section rather than
 698         emitting assembly code.
 699         (variable_section): Use switch_to_section and get_named_section.
 700         (mergeable_string_section): Return a section rather than emitting
 701         assembly code.  Use get_section.  Make static.  Don't take special
 702         countermeasures for empty strings.
 703         (mergeable_constant_section): Return a section rather than emitting
 704         assembly code.  Use get_section.
 705         (default_named_section_asm_out_destructor): Use switch_to_section
 706         and get_section.
 707         (default_dtor_section_asm_out_destructor): Use switch_to_section.
 708         (default_named_section_asm_out_constructor): Use switch_to_section
 709         and get_section.
 710         (default_ctor_section_asm_out_constructor): Use switch_to_section.
 711         (assemble_start_function): Likewise.  Set last_text_section to
 712         NULL rather than no_section.  Change the type of save_section.
 713         (assemble_zeros, assemble_variable): Use the section flags to detect
 714         whether or not a section is text.
 715         (assemble_static_space): Use switch_to_section.
 716         (assemble_trampoline_template): Likewise.
 717         (output_constant_def_contents): Use switch_to_section and
 718         get_named_section.
 719         (output_constant_pool_1): Use switch_to_section.  Use the section
 720         flags to see whether sections contain mergeable data.
 721         (init_varasm_once): Initialize section_htab instead of in_named_htab.
 722         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
 723         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
 724         whether a section has already been declared.
 725         (default_select_section, default_elf_select_section): Return a
 726         section rather than emitting assembly code.
 727         (default_elf_select_section_1): Likewise.  Use bss_section for
 728         SECCAT_BSS if nonnull.  Use get_named_section.
 729         (default_select_rtx_section): Return a section rather than
 730         emitting assembly code.
 731         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
 732         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
 733         (output_section_asm_op, switch_to_section): New functions.
 734         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
 735         get_named_section.
 736
 737         * doc/tm.texi: Expand the introduction to the sections documentation.
 738         (TRAMPOLINE_SECTION): Document new interface.
 739         (SDATA_SECTION_ASM_OP): Document new macro.
 740         (READONLY_DATA_SECTION): Delete.
 741         (SDATA_SECTION_ASM_OP): Document new macro.
 742         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 743         (TARGET_ASM_INIT_SECTIONS): Document new hook.
 744         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
 745         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
 746         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
 747
 748 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
 749
 750         * gcc.c (init_gcc_specs): Match braces inside conditionally
 751         compiled strings.
 752
 753 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
 754
 755         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
 756
 757 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
 758
 759         PR C++/24138
 760         * tree.c (integer_all_onesp): Always return true if all bits on.
 761
 762         * testsuite/g++.dg/init/array0.C: New.
 763
 764 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
 765
 766         * doc/md.texi: Adapt to implementation.
 767
 768 2005-12-06  Andreas Schwab  <schwab@suse.de>
 769
 770         * opts.c (decode_options): Fix typo in message.
 771
 772 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
 773
 774         PR other/13873
 775         * longlong.h: Merge PPC tests from upstream.
 776
 777 2005-12-06  Richard Guenther  <rguenther@suse.de>
 778
 779         * fold-const.c (fold_convert): Do not build and fold
 780         CONVERT_EXPR, but always use NOP_EXPR.
 781
 782 2005-12-06  Jan Beulich  <jbeulich@novell.com>
 783
 784         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
 785         __builtin_ia32_paddq and __builtin_ia32_subq.
 786         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
 787         __builtin_ia32_pshufw.
 788         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
 789
 790 2005-12-05  James E Wilson  <wilson@specifix.com>
 791
 792         PR target/24934
 793         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
 794         is set.
 795
 796 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
 797
 798         * print-tree.c (print_node): Ditto.
 799         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
 800         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
 801         before accessing DECL_ARTIFICIAL.
 802         Handle new tag tree codes.
 803         * tree-flow-inline.h (clear_call_clobbered): Update for tag
 804         changes.
 805         (unmodifiable_var_p): Ditto.
 806         * tree-flow.h (mem_tag_kind): Remove.
 807         (struct var_ann_d): Remove mem_tag_kind member.
 808         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
 809         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
 810         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
 811         (group_aliases): Ditto.
 812         (setup_pointers_and_addressables): Ditto.
 813         (is_escape_site): Ditto.
 814         (may_alias_p): Ditto.
 815         (create_tag_raw): New function.
 816         (create_memory_tag): Use it.
 817         (dump_alias_info): Update for tags.
 818         (may_be_aliased): Ditto.
 819         (add_type_alias): Ditto.
 820         (new_type_alias): Ditto.
 821         (create_sft): Ditto.
 822         (create_structure_vars): Ditto.
 823         * tree-ssa-ccp.c (get_default_value): Ditto.
 824         * tree-ssa-operands.c (get_expr_operands): Ditto.
 825         (add_stmt_operand): Ditto.
 826         (add_call_clobber_ops): Remove duplicated condition.
 827         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
 828         tags.
 829         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
 830         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
 831         * tree.c (init_ttree): Update structures for new tree codes.
 832         (tree_code_size): Update sizes for new tree codes.
 833         (make_node_stat): Don't try to set common things on minimal
 834         structures.
 835         (tree_node_structure): Update for tags.
 836         (is_global_var): Ditto.
 837         * tree.def: Add new tree codes.
 838         * tree.h (MTAG_P): New macro.
 839         (TREE_MEMORY_TAG_CHECK): Ditto.
 840         (SSA_VAR_P): Update for tags.
 841         (struct tree_memory_tag): New structure.
 842         (MTAG_GLOBAL): New macro.
 843         (union tree_node): Add memory tag member.
 844         * treestruct.def (TS_MEMORY_TAG): New.
 845
 846 2005-12-05  Dale Johannesen  <dalej@apple.com>
 847
 848         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
 849         what was approved (PR 24323).
 850
 851 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 852
 853         * doc/c-tree.texi (Function Bodies): Remove description of
 854         RETURN_INIT.
 855
 856 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
 857
 858         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
 859         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
 860         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
 861         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
 862         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
 863         __divxc3): Document.
 864
 865 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
 866
 867         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
 868         previous behaviour.
 869         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
 870         hook_bool_void_false.
 871         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
 872         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
 873
 874         * config/darwin.c (machopic_select_section): It's not defined
 875         as weak if it's only marked as weak_import.
 876
 877         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
 878         Prototype.
 879
 880         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
 881         A hidden weak object does bind locally.  Strong linkonce data
 882         counts like any other strong symbol for binding.
 883         (weak_finish_1): Don't specially handle weakrefs, they no longer
 884         arrive here.
 885         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
 886         * c-common.c (handle_alias_attribute): Allow static aliases
 887         of variables.
 888         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
 889         * gthr-dce.h: Make weakrefs static.
 890         * gthr-tpf.h: Likewise.
 891         * gthr-solaris.h: Likewise.
 892         * gthr-posix.h: Likewise.
 893         * gthr-posix95.h: Likewise.
 894         * config/darwin.c (darwin_encode_section_info): static weakref
 895         variables are not necessarily defined in this translation unit.
 896         * doc/extend.texi (Function Attributes): Mention that an alias
 897         attribute creates a definition for the thing it's attached to.
 898         Change the documentation for weakref to say that the thing
 899         it's attached to must be static.
 900
 901         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
 902         we don't go into an infinite loop.
 903
 904 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
 905
 906         * config/rs6000/predicates.md (logical_const_operand): Split
 907         out of logical_operand.
 908         (logical_operand): Use it.
 909         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
 910         logical_const_operand.
 911
 912 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 913
 914         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
 915         and IX86_BUILTIN_CMPNESS.
 916         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
 917         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
 918         * config/i386/i386.md (movti_internal): Correct type attribute.
 919         Simplify mode attribute.
 920         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
 921         Correct type attribute.
 922         (absxf2): Correct operator.
 923         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
 924         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
 925         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
 926         mode attribute.
 927         (sse2_vmsqrtv2df2): Correct mode attribute.
 928
 929 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 930
 931         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
 932         16 bits. Provide insn pattern for this case.
 933
 934 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 935
 936         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
 937         result.
 938         (__popcountDI2): Likewise.
 939
 940 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 941
 942         PR target/25166
 943         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
 944         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
 945         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
 946         functions.
 947
 948 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
 949
 950         * c-typeck.c (null_pointer_constant_p): New function.
 951         (build_conditional_expr, build_c_cast, convert_for_assignment,
 952         build_binary_op): Use it.
 953
 954 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
 955
 956         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
 957         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
 958         CONVERT_EXPR.
 959         (check_function_arguments_recurse): Allow both NOP_EXPR and
 960         CONVERT_EXPR but check conversions preserve precision.
 961         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
 962         but check conversions preserve precision.
 963         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
 964         default case.
 965
 966 2005-12-04  Roger Sayle  <roger@eyesopen.com>
 967
 968         PR c/7776
 969         * common.opt (Wstring-literal-comparison): New command line option.
 970         * c-opts.c (c_common_handle_option): Set it with -Wall.
 971         * c-typeck.c (parser_build_binary_op): Issue warning if either
 972         operand of a comparison operator is a string literal, except for
 973         testing equality or inequality against NULL.
 974
 975         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
 976
 977 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 978
 979         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
 980         of building a NOP_EXPR.
 981         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
 982         NOP_EXPR.
 983         * c-convert.c (convert): Use fold_convert instead of building
 984         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
 985         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
 986         #if 0 code.
 987         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
 988         NOP_EXPR the same as CONVERT_EXPR.
 989         * c-typeck.c (build_function_call): Use fold_convert instead of
 990         building a NOP_EXPR directly.
 991         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
 992
 993 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
 994
 995         PR rtl-optimization/25197
 996         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
 997         have a reg.
 998
 999 2005-12-02  Stuart Hastings  <stuart@apple.com>
1000
1001         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
1002         warning.
1003
1004 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
1005
1006         * c-typeck.c (default_function_array_conversion,
1007         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
1008         (build_conditional_expr): Apply integer_zerop to orig_op1 and
1009         orig_op2.  Don't check them for NOP_EXPR.
1010         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
1011         around integer zero.
1012
1013 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
1014
1015         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
1016         toc_save_offset, toc_size, lr_size.
1017         (rs6000_stack_info): Use memset rather than bss struct copy to init.
1018         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
1019         Adjust for removal of unused rs6000_stack_t fields.
1020         (debug_stack_info): Adjust.
1021         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
1022         first, and don't bother checking for set/inc of lr on sibcalls.
1023         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
1024
1025 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1026
1027         PR target/25199
1028         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1029         5 if operand 1 is not aligned.  Undo previous constraint change.
1030         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1031
1032 2005-12-02  Richard Guenther  <rguenther@suse.de>
1033
1034         * tree.h (build): Remove prototype.
1035         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1036         * tree.c (build): Remove.
1037         (build0_stat): Update comment.
1038
1039 2005-12-02  Richard Guenther  <rguenther@suse.de>
1040
1041         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1042         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1043         Likewise.
1044         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1045         maybe_fold_offset_to_component_ref): Likewise.
1046         * tree-ssa-dom.c (thread_across_edge,
1047         simplify_rhs_and_lookup_avail_expr,
1048         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1049         Likewise.
1050         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1051         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1052         lower_try_finally_switch): Likewise.
1053         * tree-if-conv.c (add_to_dst_predicate_list,
1054         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1055         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1056         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1057         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1058         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1059         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1060         gimplify_init_ctor_eval, gimplify_init_constructor,
1061         gimplify_variable_sized_compare, gimplify_boolean_expr,
1062         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1063         gimplify_expr, gimplify_body, gimplify_function_tree,
1064         force_gimple_operand): Likewise.
1065         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1066         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1067         mx_register_decls): Likewise.
1068         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1069         get_frame_field, finalize_nesting_tree_1): Likewise.
1070         * tree-inline.c (setup_one_parameter): Likewise.
1071         * tree-vect-transform.c (vectorizable_condition): Likewise.
1072         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1073         Likewise.
1074         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1075         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1076         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1077         * tree-chrec.h (build_polynomial_chrec): Likewise.
1078
1079 2005-12-02  Richard Guenther  <rguenther@suse.de>
1080
1081         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1082         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1083         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1084         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1085         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1086         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1087         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1088         Likewise.
1089         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1090         sh_adjust_unroll_max): Likewise.
1091         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1092         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1093         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1094         Likewise.
1095         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1096         Likewise.
1097         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1098         Likewise.
1099
1100 2005-12-02  Richard Guenther  <rguenther@suse.de>
1101
1102         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1103         simplify_cond_using_ranges): Use buildN instead of build.
1104         * tree-tailcall.c (adjust_accumulator_values,
1105         adjust_return_value): Likewise.
1106         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1107         generate_element_copy, generate_element_zero,
1108         generate_one_element_init): Likewise.
1109         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1110         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1111         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1112         perfect_nestify): Likewise.
1113
1114 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1115
1116         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1117
1118 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1119
1120         * ggc.h (GGC_RESIZEVEC): New.
1121
1122 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1123
1124         * gcc.c (execute): Improve readability.
1125
1126 2005-12-02  Richard Guenther  <rguenther@suse.de>
1127
1128         * tree-cfg.c (mark_used_vars): New function.
1129         (dump_function_to_file): Dump only used VAR_DECLs.
1130
1131 2005-12-02  Richard Guenther  <rguenther@suse.de>
1132
1133         * convert.c (convert_to_integer): Fix compare for nonpositive
1134         constant to use tree_int_cst_sgn <= 0.
1135
1136 2005-12-02  Richard Guenther  <rguenther@suse.de>
1137
1138         * convert.c (convert_to_integer): Use fold_convert instead
1139         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1140         instead of comparing against 0.  Use build_int_cst instead
1141         of converting integer_zero_node.
1142
1143 2005-12-02  Richard Guenther  <rguenther@suse.de>
1144
1145         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1146         and RROTATE_EXPR.
1147
1148 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1149
1150         PR target/21017
1151         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1152         rotates.
1153
1154 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1155
1156         PR middle-end/25176
1157         * function.c (expand_function_end): Emit blockage for unwinder
1158         after return label.
1159
1160 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1161
1162         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1163         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1164         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1165         integer constant comparisons.
1166
1167 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1168             Janis Johnson  <janis187@us.ibm.com>
1169             David Edelsohn  <dje@watson.ibm.com>
1170             Ben Elliston  <bje@au.ibm.com>
1171
1172         * dfp.h, dfp.c: New files.
1173         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1174         (DECNUM_H): Likewise.
1175         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1176         (INCLUDES): Append $(DECNUMINC).
1177         (OBJS-common): Add dfp.o.
1178         (dfp.o): New rule.
1179         * real.h (EXP_BITS): Pinch one bit to ..
1180         (struct real_value): Add decimal field.
1181         (real_format): Change table size, update documentation.
1182         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1183         (real_from_string3): Declare.
1184         (decimal_single_format): Declare.
1185         (decimal_double_format): Declare.
1186         (decimal_quad_format): Declare.
1187         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1188         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1189         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1190         * real.c: Include dfp.h.
1191         (normalize): Early return for decimal floats.
1192         (do_add): Zero decimal field.
1193         (do_compare): Call do_decimal_compare for decimal floats.
1194         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1195         (real_arithmetic): Call decimal_real_arithmetic for decimal
1196         floating point operands.
1197         (real_identical): If a and b are of differing radix, return false.
1198         (real_to_integer): Call decimal_real_to_integer if the value is a
1199         decimal float.
1200         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1201         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1202         (real_to_hexadecimal): Place "N/A" in the return string for
1203         decimal float.
1204         (real_from_string3): New variant, given a mode.
1205         (real_maxval): Use decimal_real_maxval for decimal floats.
1206         (round_for_format): Use decimal_round_for_format for decimals.
1207         (real_convert): Use decimal_real_convert where appropriate.
1208         (significand_size): Handle base 10.
1209         (encode_decimal_single, decode_decimal_single,
1210         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1211         decode_decimal_quad): New functions.
1212         (decimal_single_format): New.
1213         (decimal_double_format): New.
1214         (decimal_quad_format): New.
1215         * machmode.def: Add SD, DD and TD decimal floating point modes.
1216         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1217         Include MODE_DECIMAL_FLOAT.
1218         (DECIMAL_FLOAT_MODE_P): New.
1219         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1220         * genmodes.c (struct mode_data): Add counter field.
1221         (struct mode_data): Update comment for format.
1222         (blank_mode): Initialise counter field.
1223         (new_mode): Increment counter field for each mode defined.
1224         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1225         using a format.
1226         (make_complex_modes): Handle modes containing `D'.
1227         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1228         (make_decimal_float_mode): New.
1229         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1230         (cmp_modes): Compare counter field if other characteristics
1231         similar.
1232         (emit_real_format_for_mode): Support formats for decimal floats.
1233         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1234         Document MODE_DECIMAL_FLOAT.
1235
1236 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1237
1238         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1239         Delete dead code.
1240
1241 2005-12-01  Richard Henderson  <rth@redhat.com>
1242
1243         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1244
1245 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1246
1247         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1248
1249         * config/pa/pa.c (pa_init_builtins): If we detect
1250         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1251         putc_unlocked.
1252
1253 2005-12-01  Richard Guenther  <rguenther@suse.de>
1254
1255         * fold-const.c (fold_binary): Use fold_build2, not
1256         fold (build (...)).
1257
1258 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1259
1260         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1261
1262         * vec.h (VEC_block_remove): New.
1263
1264 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1265
1266         PR c/13384
1267         * c-common.c (lvalue_error): Fix wording.
1268
1269 2005-12-01  Richard Guenther  <rguenther@suse.de>
1270
1271         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1272         thinko in last patch.
1273
1274 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1275
1276         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1277         than -flat_namespace.
1278
1279 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1280
1281         * mklibgcc.in: Parameterise the script to build soft float
1282         functions by iterating over each type, rather than cloning the
1283         code for each type.
1284
1285 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1286
1287         PR middle-end/25158
1288         * builtins.c (fold_builtin_fputs): Defer check for missing
1289         replacement functions.
1290
1291 2005-11-30  Kean Johnston  <jkj@sco.com>
1292
1293         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1294         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1295
1296 2005-11-30  Richard Guenther  <rguenther@suse.de>
1297
1298         PR tree-optimization/22501
1299         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1300         function split out from ...
1301         (forward_propagate_addr_expr): ... here.  Use it to propagate
1302         ADDR_EXPRs to all uses.
1303
1304 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1305
1306         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1307         * builtins.c (expand_builtin_mathfn): Use them.
1308         (expand_builtin_mathfn_2): Likewise.
1309         (expand_builtin_mathfn_3): Likewise.
1310         (expand_builtin_int_roundingfn): Likewise.
1311         (expand_builtin): Likewise.
1312         (integer_valued_real_p): Likewise.
1313         (fold_builtin_int_roundingfn): Likewise.
1314         (fold_builtin_bitop): Likewise.
1315         (fold_builtin_logarithm): Likewise.
1316         (fold_builtin_1): Likewise.
1317         * convert.c (convert_to_integer): Likewise.
1318         * fold-const.c (negate_mathfn_p): Likewise.
1319         (tree_expr_nonnegative_p): Likewise.
1320
1321 2005-11-30  Dale Johannesen  <dalej@apple.com>
1322             Andrew Pinski  <pinskia@physics.uc.edu>
1323
1324         * combine.c (find_split_point):  Sign extend bitmask
1325         when changing bitfield assignment to IOR of AND.
1326
1327 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1328
1329         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1330         clobber to scratch reg.
1331         (*decrement_and_branch_until_zero_no_clobber): Remove.
1332         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1333         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1334         * config/ms1/ms1.opt (mmul): Remove.
1335         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1336         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1337
1338 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1339             Bernd Schmidt  <bernd.schmidt@analog.com>
1340
1341         * pa/predicates.md (symbolic_operand): Add comment.
1342         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1343         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1344         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1345         (pa_secondary_reload_class): Delete.
1346         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1347         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1348         copy of symbolic operand.
1349         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1350
1351 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1352
1353         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1354         jump.
1355
1356 2005-11-30  Jeff Law  <law@redhat.com>
1357
1358         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1359         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1360
1361 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1362
1363         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1364         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1365         (ia64_expand_move): Adjust caller.
1366
1367         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1368         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1369         negate VAL.
1370
1371 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1372
1373         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1374         Always produce an output if we can remove NEGs or canonicalize
1375         (minus (minus ...)) expressions.  Provide a fast path for the
1376         two-operand case.
1377         (simplify_gen_binary): Do not call simplify_plus_minus.
1378         (simplify_binary_operation_1): Reassociate at the end of the
1379         function.
1380
1381 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1382
1383         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1384         moves and unpack to speed up.
1385
1386 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1387
1388         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1389         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1390         (gen_v9_scc): Update callers.
1391         * config/sparc/sparc.md: Likewise.
1392         * config/sparc/sparc-protos.h: Update extern declaration.
1393
1394         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1395
1396 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1397
1398         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1399         the if.
1400
1401 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1402
1403         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1404         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1405         (negate_expr): Here.
1406
1407 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1408
1409         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1410         Fix typo in comment.
1411
1412 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1413
1414         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1415         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1416
1417 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1418
1419         PR middle-end/20109
1420         PR middle-end/25120
1421         * builtins.c (init_target_chars): New.
1422         (expand_builtin_printf, expand_builtin_fprintf,
1423         expand_builtin_sprintf, fold_builtin_sprintf,
1424         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1425         fold_builtin_snprintf_chk, fold_builtin_printf,
1426         fold_builtin_fprintf): Check for matching format strings using
1427         the target charset.
1428
1429 2005-11-29  Paul Brook  <paul@codesourcery.com>
1430
1431         * config.gcc: Do not use fixproto on m68k-elf.
1432
1433 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1434
1435         * expmed.c (div_cost): Replace with...
1436         (sdiv_cost, udiv_cost): New.
1437         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1438         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1439         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1440         (expand_divmod): Replace use of div_cost with either sdiv_cost
1441         or udiv_cost depending upon the signedness of the operation.
1442
1443 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1444
1445         PR libfortran/24991
1446         * config/darwin.c (machopic_indirection_name,
1447         machopic_output_indirection): Follow transparent alias chain.
1448
1449 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1450
1451         * varasm.c (ultimate_transparent_alias_target): Add comment.
1452
1453 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1454
1455         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1456         SET_SRC instead of XEXP where appropriate.
1457
1458 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1459
1460         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1461         __builtin_expect.
1462
1463 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1464
1465         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1466         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1467         bit at a time.
1468
1469 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1470
1471         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1472         secondary_input_reload_class, made static.  Adapt to new
1473         infrastructure.
1474         (secondary_output_reload_class): Delete.
1475         (TARGET_SECONDARY_RELOAD): New macro.
1476         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1477         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1478
1479 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1480
1481         PR c++/21166
1482         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1483         when its natural alignment is > BITS_PER_UNIT.
1484         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1485         * c-common.c (handle_packed_attribute): Ignore packing on a field
1486         whose type is naturally char aligned.
1487
1488 2005-11-28  Richard Guenther  <rguenther@suse.de>
1489
1490         * c-common.c (strict_aliasing_warning): Handle all
1491         component-ref like accesses.
1492
1493 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1494             Uros Bizjak  <uros@kss-loka.si>
1495
1496         PR middle-end/20219
1497         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1498         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1499         when flag_unsafe_math_optimizations is set and
1500         we don't care about NaNs or Infinities.
1501
1502         Move x/expN(y) and x/pow(y,z) transformation into common
1503         flag_unsafe_math_optimizations section.
1504
1505 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1506
1507         * gcc.c (main): Change type of argv to "char **".
1508
1509 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1510
1511         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1512         small data sections.
1513         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1514         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1515         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1516         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1517         output locals to sbss if !rs6000_elf_in_small_data_p.
1518         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1519
1520 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1521
1522         PR target/24997
1523         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1524         generated by reload.
1525         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1526         indexed_or_indirect_address.
1527         (indexed_or_indirect_address): Don't test for base reg.  Call
1528         address_operand last.  Make it a special predicate.
1529
1530 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1531
1532         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1533
1534 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1535
1536         PR middle-end/24575
1537         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1538         is undefined.
1539         (negate_expr): Likewise.
1540
1541 2005-11-27  Andreas Schwab  <schwab@suse.de>
1542
1543         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1544         redundant parens.
1545
1546 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1547
1548         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1549         has EH predecessor edges.
1550
1551 2005-11-26  Eric Christopher  <echristo@apple.com>
1552
1553         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1554         register stalls by zero extending to the full register.
1555
1556 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1557
1558         * config/floatunsisf.c, config/floatunsidf.c,
1559         config/floatunsixf.c, config/floatunsitf.c: New files.
1560         * config/ia64/t-hpux: Add floatunsitf.c.
1561         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1562         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1563
1564 2005-11-26  Richard Henderson  <rth@redhat.com>
1565
1566         * c-lex.c (pragma_lex): Rename from c_lex.
1567         * c-pch.c: Update for pragma_lex rename.
1568         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1569         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1570         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1571         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1572         * doc/tm.texi: Likewise.
1573
1574 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1575
1576         PR middle-end/23669
1577         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1578         when overflow is undefined.
1579
1580 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1581
1582         * doc/md.texi (Insn Canonicalizations): Refer to the
1583         function commutative_operand_precedence for further rules.
1584
1585 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1586
1587         PR middle-end/21309
1588         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1589         is less than zero.  Limit mult_cost to a reasonable upper bound for
1590         the synthetic multiplication sequence.
1591
1592 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1593
1594         PR middle-end/25022
1595         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1596         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1597         Lookup the explicit replacement functions for any unlocked
1598         stdio builtin transformations.
1599
1600 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1601
1602         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1603         earlyclobber.
1604         * targhooks.c (default_secondary_reload): Don't require operand 2
1605         for an input reload to be earlyclobber.
1606
1607 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1608
1609         * fold-const.c (negate_mathfn_p): Fix comment and add support
1610         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1611         BUILT_IN_ATANH.
1612
1613 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1614
1615         PR middle-end/24998
1616         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1617         _Q_ulltoq for unsigned conversions from SImode and DImode to
1618         TFmode.
1619
1620 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1621
1622         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1623         (__floatundidf, __floatundisf): Likewise.
1624
1625 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1626
1627         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1628         (rs6000_override_options): Remove initialization of
1629         rs6000_sr_alias_set.
1630         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1631         (rs6000_emit_stack_tie): Same.
1632         (emit_frame_save): Same.
1633         (gen_frame_mem_offset): Same.
1634         (rs6000_emit_prologue): Same.
1635         (rs6000_emit_epilogue): Same.
1636
1637 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1638
1639         PR middle-end/24989
1640         * fold-const.c (fold_build): Convert bool_var != 1 and
1641         bool_var == 0 to !bool_var.
1642
1643 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1644
1645         PR middle-end/24990
1646         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1647         for C being INTEGER_CST.  Likewise for !=.
1648
1649 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1650
1651         PR middle-end/24998
1652         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1653         unsigned conversions from SImode to TFmode.
1654
1655 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1656
1657         * expr.c (expand_expr_real_1): Fix error in last change.
1658
1659 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1660
1661         * caller-save.c: (this_insn_sets): Move into:
1662         (save_call_clobbered_regs).
1663         (mark_set_regs): Get this_insn_sets from data.
1664
1665         (save_call_clobbered_regs): Take sets of the return value by
1666         sibcalls into account.
1667
1668 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1669         PR target/21623:
1670
1671         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1672         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1673         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1674         (memory_move_secondary_cost, init_reg_autoinc): Remove
1675         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1676         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1677         secondary_reload_class call.
1678         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1679         callers.
1680         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1681         (push_secondary_reload): Use secondary_reload target hook.
1682         (secondary_reload_class, scratch_reload_class): New functions.
1683         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1684         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1685         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1686         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1687         (secondary_reload_class, scratch_reload_class): Declare.
1688         * reload1.c: Include target.h.
1689         (reload_adjust_reg_for_temp): New function.
1690         (reload_adjust_reg_for_icode): Likewise.
1691         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1692         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1693         call.
1694         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1695         for inheritance.  Support case when both secondary & tertiary reloads
1696         are for intermediate registers.
1697         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1698         with secondary_reload_class call.  Support case when both secondary
1699         & tertiary reloads are for intermediate registers.
1700         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1701         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1702         * target.h (secondary_reload_info): New struct / typedef.
1703         (struct gcc_target): New member secondary_reload.
1704         * targhooks.c Include reload.h, optabs.h and recog.h.
1705         (default_secondary_reload): New function.
1706         * targhooks.h (default_secondary_reload): Declare.
1707         * doc/tm.texi: Document secondary_reload target hook.  Update
1708         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1709         * doc/md.texi: Likewise.
1710
1711         * sh-protos.h (sh_secondary_reload): Declare.
1712         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1713         (sh_secondary_reload): New function.
1714         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1715         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1716         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1717         (HAVE_SECONDARY_RELOADS): Define.
1718         * sh.md (reload_indf): Rename to:
1719         (reload_indf__frn).
1720         (reload_outdf): Rename to:
1721         (reload_outdf__RnFRm).
1722         (reload_insf): Rename to:
1723         (reload_insf__frn).
1724         (reload_insi): Rename to:
1725         (reload_insi__i_fpul).
1726
1727 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1728
1729         * configure.ac: Require at least texinfo 4.4.
1730         * configure: Regenerate.
1731
1732         * doc/install.texi (Tools/packages necessary for building GCC):
1733         Update required version of texinfo to at least 4.4.
1734         (Installing GCC: Building): Update required version of texinfo
1735         to at least 4.4.
1736         (Installing GCC: Final installation): Update required version
1737         of texi2dvi to at least 4.4.
1738         (Host/target specific installation notes for GCC): Update required
1739         version of texinfo to at least 4.4.
1740
1741 2005-11-24  Richard Guenther  <rguenther@suse.de>
1742         Dirk Mueller <dmueller@suse.de>
1743
1744         PR c++/14024
1745         * c-common.h (strict_aliasing_warning): Declare.
1746         * c-common.c (strict_aliasing_warning): New function,
1747         split out from ...
1748         * c-typeck.c (build_c_cast): ... here.
1749
1750 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1751
1752         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1753         to order operands.
1754         (swap_commutative_operands_with_target): New.
1755
1756 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1757
1758         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1759         also when doing PRE, rather than only for global CPROP.
1760
1761 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1762
1763         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1764         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1765         formatting.
1766         (expand_twoval_unop): Likewise.
1767         (widen_clz): Likewise.
1768         (expand_parity): Likewise.
1769         (expand_unop): Likewise.
1770         (emit_cmp_and_jmp_insn_1): Likewise.
1771         (prepare_float_lib_cmp): Likewise.
1772
1773 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1774
1775         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1776         Remove unused `class' variable.
1777
1778 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1779
1780         PR c++/21667
1781         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1782         C/C++ diagnostic function warn_array_subscript_with_type_char.
1783         * c-common.h (warn_array_subscript_with_type_char): Declare.
1784         * c-common.c (warn_array_subscript_with_type_char): Define.
1785
1786 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1787
1788         PR c/21668
1789         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1790         compiling at the intersection of C and C++.
1791
1792 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1793
1794         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1795         List @file in the option summary.  Include the libiberty
1796         documentation for @file.
1797         * gcc.c (main): Call expandargv.
1798         * Makefile.in (gcc-vers.texi): Define srcdir.
1799
1800 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1801
1802         * passes.c (init_optimization_passes): Document
1803         sequencing of passes.
1804
1805 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1806
1807         * config/m68k/predicates.md (pcrel_address, extend_operator,
1808         post_inc_operand, pre_dec_operand): Remove redundant
1809         conditionals.
1810         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1811         instead of abort.
1812         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1813
1814 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1815
1816         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1817
1818 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1819
1820         Preparatory work for PR target/21623:
1821         * alpha.c (secondary_reload_class): Rename to:
1822         (alpha_secondary_reload_class).
1823         * alpha.h, alpha-protos.h: Likewise.
1824         * mn10300.c (secondary_reload_class): Rename to:
1825         (mn10300_secondary_reload_class).
1826         * mn10300.h, mn10300-protos.h: Likewise.
1827         * pa.c (secondary_reload_class): Rename to:
1828         (pa_secondary_reload_class).
1829         * pa.h, pa-protos.h: Likewise.
1830         * rs6000.c (secondary_reload_class): Rename to:
1831         rs6000_secondary_reload_class.
1832         * rs6000.h, rs6000-protos.h: Likewise.
1833
1834 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1835
1836         PR middle-end/22561
1837         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1838
1839 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1840
1841         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1842         a mode_class.
1843         (prepare_cmp_insn): Likewise.
1844
1845 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1846
1847         PR target/23435
1848         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1849         if both operands[0] and operands[1] are memory.
1850
1851 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1852
1853         PR middle-end/23606
1854         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1855         COMPARISON_CLASS_P and an integral types create create a new
1856         expression with the new type and fold that.
1857
1858 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1859
1860         PR target/24988
1861         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1862         to SUBTARGET_OS_CPP_BUILTINS.
1863
1864 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1865
1866         * arm.c (emit_set_insn): New function.
1867         (arm_split_constant): Call it.
1868         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1869         (arm_legitimize_address): Likewise.  Use plus_constant.
1870         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1871         (thumb_expand_prologue): Likewise.
1872         (arm_gen_load_multiple): Use VOIDmode in SET.
1873         (arm_gen_store_multiple): Likewise.
1874         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1875         (emit_multi_reg_push): Likewise.
1876         (emit_sfm): Use plus_constant.
1877
1878 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1879
1880         PR target/24954
1881         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1882         typo last change.
1883
1884 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1885
1886         PR middle-end/24950
1887         * expmed.c (store_bit_field): Don't attempt to insv a field
1888         larger than the reg.
1889
1890 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1891
1892         PR target/24954
1893         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1894         explicit sign extension, not a (char) cast.
1895
1896 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1897
1898         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1899         GET_MODE_CLASS (x) == MODE_FLOAT.
1900         * config/i386/i386.c: Likewise.
1901         * config/rs6000/xcoff.h: Likewise.
1902         * config/rs6000/linux64.h: Likewise.
1903         * config/rs6000/rs6000.c: Likewise.
1904         * config/rs6000/rs6000.h: Likewise.
1905         * config/rs6000/predicates.md: Likewise.
1906         * config/rs6000/sysv4.h: Likewise.
1907
1908 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1909
1910         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1911         flag_pic is set.
1912
1913         * config/alpha/freebsd.h, config/alpha/linux.h,
1914         config/arm/linux-elf.h, config/bfin/bfin.h,
1915         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1916         config/i386/beos-elf.h, config/i386/gnu.h,
1917         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1918         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1919         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1920         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1921         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1922         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1923         config/sparc/linux.h, config/sparc/linux64.h,
1924         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1925
1926         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1927         are both defined when either flag -fpic or -fPIC are used.
1928
1929 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1930
1931         * config/fp-bit.c (clzusi): New function.
1932         (si_to_float, usi_to_float): Use it to compute proper shift.
1933         (usi_to_float): Preserve guard bits when shifting right.
1934         * libgcc-std.ver (GCC_4.2.0): New version.
1935         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1936         __floatundisf): New functions.
1937         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1938         __floatundisf): Declare.
1939         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1940         _floatundixf, and _floatunditf.
1941         * optabs.c (expand_float): If target does not define a pattern for
1942         signed or unsigned conversion, use an unsigned libcall instead of
1943         a signed one.
1944         (init_optabs): Initialize ufloat_optab.
1945
1946 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1947
1948         * config/rs6000/rs6000.opt (mmulhw): New option.
1949         * doc/invoke.texi (-mmulhw): Document.
1950         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1951         for 405 and 440.
1952         * config/rs6000/rs6000.md: Add half-word multiply and
1953         multiply-accumulate instructions for 405 and 440.
1954
1955 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1956
1957         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1958         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1959         default now includes a linker group which makes the RTEMS one nest.
1960
1961 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1962
1963         * cse.c (fold_rtx): Typo fix.
1964         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1965
1966 2005-11-21  Richard Henderson  <rth@redhat.com>
1967
1968         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1969         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1970
1971         * c-tree.h (lookup_name): Move declaration ...
1972         * c-common.h (lookup_name): ... here.
1973         * config/darwin-c.c: Include c-common.h.
1974         * config/t-darwin: Update dependencies.
1975
1976 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1977
1978         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1979         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1980         * genopinit.c (gen_insn): Likewise.
1981         * reload.c (find_equiv_reg): Likewise.
1982         * loop.c (load_mems): Likewise.
1983         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1984         * cse.c (find_comparison_args, fold_rtx): Likewise.
1985         * dwarf2out.c (add_const_value_attribute): Likewise.
1986         * expr.c (convert_move): Likewise.
1987         * recog.c (general_operand, register_operand): Likewise.
1988         * reg-stack.c (replace_reg): Likewise.
1989         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1990         * c-common.c (handle_vector_size_attribute): Likewise.
1991         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1992         (simplify_binary_operation_1): Likewise.
1993         (simplify_const_binary_operation): Likewise.
1994         (simplify_relational_operation): Likewise.
1995         (simplify_const_relational_operation): Likewise.
1996         (simplify_immed_subreg): Likewise.
1997         * emit-rtl.c (gen_lowpart_common): Likewise.
1998         * expmed.c (expand_mult): Likewise.
1999         * stor-layout.c (layout_type): Likewise.
2000
2001 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
2002
2003         PR target/24951
2004         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
2005         cst2 only for SPE vectors.
2006
2007 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
2008
2009         PR target/24953
2010         * config/rs6000/predicates.md (vrsave_operation): Check
2011         UNSPEC_VOLATILE value.
2012
2013 2005-11-21  Jan Hubicka  <jh@suse.cz>
2014
2015         PR tree-optimization/24653
2016         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
2017
2018 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2019
2020         * config/i386/predicates.md (ax_reg_operand): New predicate.
2021         (memory_displacement_only_operand): New predicate.
2022         * config/i386/i386.md ("modrm" attribute): Return 0 if one
2023         operand is AX register and the other operand is memory operand
2024         with displacement only.
2025
2026 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2027
2028         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2029         if we don't care about NaNs or Infinities.
2030
2031 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2032
2033         PR rtl-optimization/24883
2034         * combine.c (combinable_i3pat): When checking whether the
2035         destination of i3 is used in i3, consider paradoxical subregs.
2036
2037 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2038
2039         PR middle-end/20583
2040         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2041
2042 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2043
2044         * combine.c (try_combine): Do not run subst on i1src and i2src in
2045         the case of generating a PARALLEL for a comparison.
2046
2047 2005-11-20  Richard Henderson  <rth@redhat.com>
2048
2049         PR 24931
2050         * tree-sra.c (struct sra_elt): Add all_no_warning.
2051         (struct sra_walk_fns) <use>: Add use_all argument.
2052         (sra_walk_expr): Pass it.
2053         (sra_walk_modify_expr): Likewise.
2054         (scalarize_ldst): Likewise.
2055         (scan_use): Update for new argument.
2056         (mark_no_warning): New.
2057         (scalarize_use): Use it.
2058
2059 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2060
2061         * expr.c (expand_expr_real): Use usmul_optab for widening
2062         signed * unsigned multiplies.
2063         * genopinit.c (optabs): Add usmul_widen_optab.
2064         * optabs.c (init_optabs): Likewise.
2065         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2066         (usmul_widen_optab): Define.
2067         * config/bfin/bfin.md (usmulhisi3): New pattern.
2068
2069         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2070
2071 2005-11-20  Graham Stott <btinternet.com>
2072
2073         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2074
2075 2005-11-20  Andreas Schwab  <schwab@suse.de>
2076
2077         PR target/24757
2078         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2079         insn.
2080
2081 2005-11-19  Richard Henderson  <rth@redhat.com>
2082
2083         PR tree-opt/24665
2084         * tree-gimple.c (is_gimple_id): Export.
2085         * tree-gimple.h (is_gimple_id): Declare.
2086         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2087         (get_default_value): Use it.
2088         (maybe_fold_stmt_indirect): Likewise.
2089
2090 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2091
2092         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2093         than VR1 or vice-versa.
2094
2095 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2096
2097         PR middle-end/24912
2098         PR middle-end/24750
2099         * reload.c (find_reloads_address_1): Mention dependency on
2100         gen_reload.
2101         * reload1.c (gen_reload): For IN with an unary operation, try
2102         moving inner expression to OUT if trivial SET is not valid.
2103         Confirm that the result is valid.  Move common code block into...
2104         (emit_insn_if_valid_for_reload): New function.
2105
2106 2005-11-19  Richard Guenther  <rguenther@suse.de>
2107
2108         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2109         ARRAY_REFs of constant strings.
2110
2111 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2112
2113         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2114         fatal format string.
2115
2116 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2117
2118         * combine.c (make_compound_operation): Swap operands of
2119         commutative operation if necessary before returning.
2120
2121 2005-11-19  Richard Guenther  <rguenther@suse.de>
2122
2123         PR middle-end/23294
2124         * fold-const.c (fold_plusminus_mult_expr): New function.
2125         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2126         cases, remove now unnecessary code.
2127
2128 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2129
2130         * gensupport.c (old_preds): Rename to std_preds, add special field.
2131         (struct old_pred_table): Rename to struct std_pred_table, add special
2132         field.
2133         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2134         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2135         (init_predicate_table): Adjust, and set along the way whether a
2136         predicate is special.
2137
2138 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2139
2140         * BASE-VER: Change to 4.2.0.
2141
2142 2005-11-18  James E Wilson  <wilson@specifix.com>
2143
2144         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2145         returning it.
2146
2147 2005-11-18  Mike Stump  <mrs@apple.com>
2148
2149         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2150         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2151         * c-decl.c (lookup_name_two) Remove.
2152         * c-tree.h (lookup_name_two): Remove.
2153         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2154         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2155         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2156         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2157
2158 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2159
2160         PR target/24914
2161         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2162         when not generating code to use that co-processor.
2163
2164 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2165
2166         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2167         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2168         these functions are now in tree-phinodes.c.
2169
2170 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2171
2172         * config/bfin/bfin.md (trap): New pattern.
2173
2174 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2175
2176         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2177         on types.
2178
2179         * expr.c (expand_expr_real): Don't call record_block_change unless
2180         ib_boundaries_block is non-null
2181
2182         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2183
2184         * fold-const.c (build_range_check): Use proper type for subtraction
2185         when merging lower bound.
2186
2187 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2188
2189         PR rtl-optimization/24497
2190         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2191         the copied insn.
2192
2193 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2194
2195         * tree-scalar-evolution.c (expression_expensive_p): New function.
2196         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2197
2198 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2199
2200         * config/bfin/crtlibid.s: New file.
2201
2202 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2203
2204         PR target/24348
2205         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2206         when not using sjlj exceptions.
2207         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2208         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2209         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2210         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2211         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2212         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2213         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2214         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2215         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2216         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2217         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2218         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2219         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2220         defines.
2221         * config/pa/hpux-unwind.h: New file.
2222
2223 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2224
2225         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2226         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2227         * varasm.c (do_assemble_alias): Adjust call.
2228         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2229         is defined.
2230         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2231
2232 2005-11-17  James E Wilson  <wilson@specifix.com>
2233
2234         * tree.def (FUNCTION_DECL): Correct typo in comment.
2235
2236 2005-11-17  Richard Henderson  <rth@redhat.com>
2237
2238         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2239         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2240         and DW_CFA_def_cfa_sf.
2241         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2242         (dbx_reg_number): Don't assert particular registers here.
2243         (based_loc_descr): ... do it here instead.  Fold in ...
2244         (eliminate_reg_to_offset): ... this function.
2245         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2246         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2247         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2248         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2249         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2250         (instantiate_virtual_regs): Likewise.
2251         * var-tracking.c (adjust_stack_reference): Likewise.
2252         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2253
2254 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2255
2256         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2257         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2258         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2259         crtlibid.o.
2260         ($(T)crtlibid.o): New rule.
2261
2262 2005-11-16  Richard Guenther  <rguenther@suse.de>
2263
2264         PR middle-end/24851
2265         * fold-const.c (extract_array_ref): Return byte offset
2266         in all cases.
2267         (fold_binary): Fold &x[a] CMP &x[b] to
2268         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2269         behavior.
2270
2271 2005-11-16  Richard Henderson  <rth@redhat.com>
2272
2273         PR middle-end/23497
2274         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2275         parts of an SSA_NAME.
2276
2277 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2278
2279         PR target/24861
2280         * arm.md (split for movsf with immediate): Restrict split to insns
2281         that set a general register.
2282
2283 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2284
2285         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2286         uw_update_context.
2287         * unwind-dw2.c (uw_advance_context): Likewise.
2288         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2289         _Unwind_SjLj_Unregister.
2290         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2291
2292 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2293
2294         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2295
2296 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2297
2298         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2299         langhook to get a DImode integer type.
2300
2301 2005-11-16  Richard Henderson  <rth@redhat.com>
2302             J"orn Rennecke <joern.rennecke@st.com>
2303             Ulrich Weigand  <uweigand@de.ibm.com>
2304
2305         PR rtl-opt/24160
2306         PR target/24621
2307         * reload1.c (reg_equiv_invariant): New.
2308         (reload): Allocate, initialize, and free it.
2309         (calculate_needs_all_insns): Check it when skipping equivalence
2310         setting insns.
2311         (alter_reg): Likewise.
2312         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2313         may_use_invariant argument; only use reg_equiv_invariant when true.
2314         (eliminate_regs): New.
2315         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2316         a context for which may_use_invariant may be true.
2317
2318 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2319
2320         * fold-const.c (const_binop): Don't constant fold the operation
2321         if the result has overflowed and flag_trapping_math.
2322         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2323
2324 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2325
2326         * config/arm/unwind-arm.c (abort): Add prototype here.
2327         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2328         (struct phase1_vrs): Add prev_sp.
2329         (unwind_phase2_forced): Save the original core registers instead of
2330         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2331         and set action flags accordingly.  Always set _US_END_OF_STACK when
2332         get_eit_entry fails.  Unwind before calling the stop function.
2333         (_Unwind_GetCFA): New function.
2334         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2335         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2336         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2337         just call unwind_phase2_forced.
2338         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2339         * config/arm/unwind-arm.h (abort): Remove prototype.
2340         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2341         prototypes.
2342         (_Unwind_GetCFA): New prototype.
2343         * config/arm/pr-support.c (abort): Add prototype here.
2344         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2345         forced unwinding.
2346         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2347         not schedule the prologue with non-call exceptions and EABI.
2348
2349 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2350
2351         * config/arm/unwind-arm.h: Reorder interface function declarations.
2352         (_URC_END_OF_STACK): New enumeration value.
2353         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2354         (struct _Unwind_Control_Block): Document reserved field use.
2355         (_Unwind_Stop_Fn): New typedef.
2356         (_Unwind_ForcedUnwind): Declare.
2357         (_Unwind_Resume_or_Rethrow): Declare.
2358         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2359         argument.  Adjust.
2360         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2361         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2362         (UCB_FORCED_STOP_ARG): New.
2363         (search_EIT_table): Update boundary condition checks.
2364         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2365         (unwind_phase2): Replace for with do..while.
2366         (unwind_phase2_forced): New.
2367         (__gnu_Unwind_RaiseException): Replace for with do..while.
2368         (__gnu_Unwind_ForcedUnwind): New.
2369         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2370         Use appropriate phase2 unwinder.
2371         (__gnu_Unwind_Resume_or_Rethrow): New.
2372         (__gnu_unwind_pr_common): Cope with forced unwinding.
2373
2374 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2375
2376         PR target/24772
2377         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2378
2379         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2380         roundsf2): Remove "s" from mnemonic.
2381
2382 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2383
2384         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2385         __PIC__ is defined.
2386         * config/bfin/crtn.s: Change epilogues to match.
2387         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2388         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2389         __PIC__ and __pic__.
2390
2391 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2392
2393         PR 24357
2394         * doc/invoke.texi: Distinguish between free and fixed form instead of
2395         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2396         languages.
2397         * gcc.c (default_compilers): Remove double entries, add entries for
2398         suffixes '.F90' and '.F95'.
2399
2400 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2401
2402         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2403         in the stack probing loop.
2404
2405 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2406
2407         * configure.ac: Use .machine power5 not power5x.
2408         * configure: Regenerate.
2409
2410 2005-11-15  Mike Stump  <mrs@apple.com>
2411
2412         * c-decl.c (lookup_name_two): Add.
2413         * c-tree.h (lookup_name_two): Likewise.
2414         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2415         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2416
2417 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2418
2419         PR rtl-optimization/23392
2420         * regrename.c (enum scan_actions) Add mark_access.
2421         (scan_actions_name): Ditto.
2422         (scan_rtx_reg): Handle mark_access.
2423         (scan_rtx_address): Do nothing for mark_access.
2424         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2425         and regs in REG_INC notes before closing chains for dead regs.
2426         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2427         opening chains for new writes.
2428
2429 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2430
2431         * c.opt (ffixed-line-length-none): New.
2432
2433 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2434
2435         * mklibgcc.in: Change contents of eh_dummy.c.
2436
2437 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2438
2439         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2440
2441 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2442
2443         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2444         of making syscalls.
2445         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2446
2447 2005-11-15  Jan Hubicka  <jh@suse.cz>
2448
2449         * invoke.texi (large-unit-insns): Document.
2450         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2451         * params.def (large-unit-insns): New param.
2452
2453 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2454
2455         PR target/24869
2456         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2457         special register for operand 3.  Reindent constraints to align
2458         them vertically.
2459
2460 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2461
2462         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2463         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2464         * configure.ac: Add test for FP rounding instructions.
2465         * configure: Regenerate.
2466         * config.in: Regenerate.
2467         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2468         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2469         features enabled.
2470         * config/rs6000/rs6000.opt (mfprnd): New.
2471         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2472         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2473         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2474         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2475         (TARGET_FPRND): New.
2476         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2477         UNSPEC_FRIZ): New.
2478         (btrunc<mode>2): New.
2479         (ceil<mode>2): New.
2480         (floor<mode>2): New.
2481         (round<mode>2): New.
2482
2483 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2484
2485         * gcc.c (version_compare_spec_function): Use fatal() rather than
2486         abort().
2487
2488         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2489         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2490         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2491         as empty.
2492         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2493         link in crt2.o.
2494
2495         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2496         on -mmacosx-version-min setting.
2497
2498 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2499
2500         PR 24840
2501         * tree-vrp.c (infer_value_range): Return false if STMT is a
2502         block terminator and its basic block has no successors.
2503
2504 2005-11-14  Mike Stump  <mrs@apple.com>
2505
2506         * config/i386/i386.c (override_options): -masm=intel isn't
2507         supported on darwin.
2508         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2509
2510 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2511
2512         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2513         vfork after including auto-host.h.
2514
2515 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2516
2517         PR rtl-optimization/22002
2518         * combine.c (distribute_notes): Detect cases where a reg dies
2519         two or more times in a bb, including on the insn we are combining,
2520         and place the death note on the correct range.
2521
2522 2005-11-14  Dale Johannesen  <dalej@apple.com>
2523
2524         * expmed.c (store_bit_field):  Add offset unconditionally for
2525         memory targets.
2526         (extract_bit_field):  Don't force extzv or extv operand into
2527         a register if field is too big.
2528
2529 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2530
2531         * config/arm/arm.c (pic_labelno): New.
2532         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2533         LABEL_REF.  Pass only the labelno to PIC insns.
2534         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2535         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2536         * arm.md (UNSPEC_PIC_LABEL): New constant.
2537         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2538         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2539         Use the correct label prefix.
2540
2541 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2542
2543         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2544         REQ_EQUIV note.
2545
2546 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2547
2548         * loop-invariant.c: Include tm_p.h.
2549         * Makefile.in: Updated.
2550
2551 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2552
2553         * pa.c (store_reg): Revise generation of frame notes in large frames.
2554         (set_reg_plus_d): Likewise.
2555
2556 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2557
2558         PR tree-optimization/24709
2559         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2560         loop check.
2561
2562 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2563
2564         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2565         and duplicate declaration of pthread_self.
2566
2567 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2568             Ian Lance Taylor  <ian@airs.com>
2569
2570         PR middle-end/24003
2571         * calls.c (expand_call): If TARGET is a MEM and some part of the
2572         argument area has been saved, force TARGET to a register.
2573
2574 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2575
2576         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2577         checking.
2578
2579 2005-11-13  Jason Merrill  <jason@redhat.com>
2580
2581         PR c++/22489
2582         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2583         lazily declared methods.
2584         (force_decl_die): Stop if forcing out the context already make a
2585         DIE for the decl.
2586         (force_type_die): Likewise.
2587
2588 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2589
2590         PR middle-end/24820
2591         * builtins.c (integer_valued_real_p): Add break in
2592         REAL_CST having TREE_OVERFLOW set.
2593
2594 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2595
2596         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2597         addressing modes during calculation of costs.
2598
2599 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2600
2601         * function.c (assign_stack_local_1): Restrict sanity check
2602         on frame size overflow to 32-bit and above platforms.
2603
2604 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2605
2606         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2607         * config/cris/cris.c: Include reload.h.
2608         (cris_initial_elimination_offset): New function.
2609         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2610         Prototype.
2611
2612 2005-11-12  Richard Guenther  <rguenther@suse.de>
2613
2614         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2615
2616 2005-11-12  Jan Hubicka  <jh@suse.cz>
2617
2618         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2619         to compare against 0 when possible.
2620
2621 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2622
2623         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2624         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2625         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2626         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2627         in the new order.
2628
2629 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2630
2631         * recog.c (constrain_operands) <case 'g'>: For a match, require
2632         that a non-register matches general_operand when strict >= 0.
2633
2634 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2635
2636         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2637         previous checkin.
2638
2639 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2640
2641         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2642         (memory_address_same): New.
2643         (dse_optimize_stmt): Call memory_address_same.
2644
2645 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2646
2647         PR middle-end/24750
2648         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2649         ZERO_EXTEND>: New cases.
2650
2651 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2652
2653         * longlong.h (__clz_tab): Always provide.
2654
2655 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2656
2657         PR 24265
2658         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2659         can be assigned to.
2660         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2661         before check_maybe_invariant.
2662         (move_invariant_reg): Use gen_move_insn instead of replacing
2663         SET_DEST with the temporary for the invariant.
2664         (move_loop_invariants): If checking is enabled, do internal
2665         consistency checks after completing the pass.
2666
2667 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2668
2669         PR 24644
2670         * common.opt (Wvolatile-register-var): New.
2671         * varasm.c (make_decl_rtl): Only emit warning when option
2672         specified.  Clarify warning message.
2673         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2674
2675         * doc/md.texi (copysign): Document standard named pattern.
2676
2677 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2678
2679         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2680         bytes when align is 2.
2681         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2682         by the first instruction of the loop.
2683
2684 2005-11-11  Jason Merrill  <jason@redhat.com>
2685
2686         PR c++/24686
2687         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2688         the cleanup list.
2689
2690 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2691
2692         PR rtl-optimization/22509
2693         * local-alloc.c (memref_used_between_p): Check whether a function call
2694         could not reference the memref.
2695
2696 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2697
2698         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2699         algorithm so as to choose the best, not the worst, alternative.
2700         Reset accumulated register class before processing next alternative.
2701
2702 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2703
2704         PR target/24445
2705         * calls.c (expand_call): Copy a return value to a plain register
2706         if needed.
2707
2708 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2709
2710         PR target/24778
2711         * varasm.c (assemble_name): Recompute name only for transparent
2712         aliases.
2713
2714 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2715
2716         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2717
2718 2005-11-04  Jeff Law  <law@redhat.com>
2719
2720         PR middle-end/23181
2721         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2722         perform reassociation if the parent statement will not die as
2723         a result of the optimization.
2724
2725 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2726
2727         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2728         delete_old_heap_vars.
2729         * tree-dfa.c (referenced_var_remove): Remove function.
2730         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2731         (delete_tree_ssa): Remove call to delete_old_heapvars.
2732         Add call to delete_alias_heapvars.
2733         * tree-flow.h (referenced_var_remove): Remove prototype
2734         (init_alias_heapvars): New prototype.
2735         (delete_alias_heapvars): Ditto.
2736         * Makefile.in (tree-ssa-structalias.o): Add
2737         gt-tree-ssa-structalias.o
2738         (GTFILES): Add tree-ssa-structalias.h and
2739         tree-ssa-structalias.c.
2740         (s-gtype): Add gt-tree-ssa-structalias.h.
2741         * tree-ssa-structalias.c (heapvars): Remove.
2742         (oldheapvars): Remove.
2743         (heapvar_for_stmt): New variable.
2744         (heapvar_lookup): New function.
2745         (heapvar_insert): Ditto.
2746         (get_constraint_for): See if we have an old heapvar
2747         to reuse.
2748         (init_alias_heapvars): New function.
2749         (delete_alias_heapvars): Ditto.
2750         Add include of gt-tree-ssa-structalias.h.
2751
2752 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2753
2754         PR middle-end/22127
2755         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2756
2757 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2758
2759         * tree.c (int_fits_type_p): Only look at the base type
2760         if it has the same precision as the original type.
2761
2762 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2763
2764         PR other/4372
2765         * varasm.c (assemble_alias): Use %q+D in the error
2766         message instead of %J and %qD.
2767
2768 2005-11-10  Richard Guenther  <rguenther@suse.de>
2769
2770         * gcse.c (free_ldst_entry): Only free hashtable if
2771         it exists.
2772
2773 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2774
2775         * function.c (assign_stack_local_1): Issue an error message if
2776         the frame size overflows in the signed target arithmetics.
2777
2778 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2779
2780         * tree.c (build_qualified_type): Chain the new type to the original
2781         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2782         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2783         (build_pointer_type_for_mode): Only return unqualified types.
2784         (build_reference_type_for_mode): Likewise.
2785
2786 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2787
2788         * Makefile.in (gnucompare): Do comparison of all files using one of
2789         the chosen methods and only afterwards decide if just warning should
2790         be issued or comparison failure raised.
2791
2792 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2795         (noce_try_abs): Negate if the comparison is reversed.
2796         Look only one instruction backwards for a REG_EQUAL note.
2797
2798 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2799
2800         PR other/4372
2801         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2802         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2803         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2804         and prefix all uses with __ghtrw.
2805
2806 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2807
2808         PR other/4372
2809         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2810         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2811         * c-common.c (handle_weakref_attribute): New.
2812         (c_common_attribute_table): Add weakref.
2813         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2814         in the assembler.
2815         * configure, config.in: Rebuilt.
2816         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2817         * doc/extend.texi: Document weakref attribute.
2818         * varasm.c (ultimate_transparent_alias_target): New
2819         (assemble_name): Use it.
2820         (weak_finish_1): Split out of...
2821         (weak_finish): ... and deal with weakrefs in...
2822         (weakref_targets): ... new list.
2823         (globalize_decl): Clean up weakref_targets.
2824         (do_assemble_alias): Handle weakrefs.
2825         (finish_aliases_1): Do not reject weakrefs to external symbols.
2826         (assemble_alias): Handle weakrefs.
2827
2828 2005-11-09  Richard Guenther  <rguenther@suse.de>
2829
2830         PR tree-optimization/24716
2831         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2832         t_bool to track results from follow_ssa_edge.
2833
2834 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2835
2836         * final.c (force_source_line): New global variable.
2837         (final_scan_insn): Set it to true instead of clearing last_filename.
2838         (notice_source_line): Return true if force_source_line is true,
2839         unless source info is absent.
2840
2841 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2842
2843         PR c/24644
2844         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2845         a linkage name for a variable if it a register variable.
2846         * c-decl.c (grokdeclarator): Global register variables
2847         should be set as PUBLIC.
2848
2849 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2850
2851         PR 24624
2852         * config/s390/s390.c (struct s390_frame_layout): New fields
2853         first_save_gpr_slot and last_save_gpr_slot.
2854         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2855         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2856         first_save_gpr and last_save_gpr with the _slot variants.
2857         (s390_register_info): Calculate first_save_gpr_slot and
2858         last_save_gpr_slot using regs_ever_live.
2859
2860 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2861
2862         PR 24623
2863         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2864         for a function containing a landing pad.
2865
2866 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2867
2868         PR 24034
2869         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2870         is live afterwards.
2871
2872 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2873
2874         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2875         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2876
2877 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2878
2879         Add ms2 support
2880         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2881         constants.
2882         (call,load,store): New insn types.
2883         (mem_access, branch_access): Adjust reservation conditions.
2884         (define_delay): Adjust condition.
2885         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2886         type.
2887         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2888         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2889         insn type.
2890         (call_internal, call_value_internal, return_internal,
2891         return_interrupt_internal, eh_return_internal, indirect_jump,
2892         tablejump): Set call insn type.
2893         (blockage, ei, di): Use appropriate unspec const.
2894         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2895         (ms1_get_attr_type): Adjust to give load & store types.
2896         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2897         backwards past a barrier.
2898         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2899         branch scheduling.
2900         (struct branch_info, struct label_info): New.
2901         (ms1_labels): New.
2902         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2903         (ms1_machine_reorg): New.
2904         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2905         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2906         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2907         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2908         (TARGET_MS2): New.
2909
2910 2005-11-09  Per Bothner  <per@bothner.com>
2911             Uros Bizjak  <uros@kss-loka.si>
2912
2913         PR c/24101
2914         * toplev.c (process_options): Initialize debug_hooks early
2915         in case lang_hooks.post_options ends up calling a debug_hook.
2916
2917 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2918
2919         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2920         DBX_REGISTER_NUMBER being contiguous.
2921
2922 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2923             Diego Novillo  <dnovillo@redhat.com>
2924
2925         PR 23046
2926         * tree-vrp.c (register_edge_assert_for): Do not register
2927         always-false predicates.
2928
2929 2005-11-08  Devang Patel <dpatel@apple.com>
2930
2931         PR tree-optimization/23115
2932         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2933         relation.
2934
2935 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2936
2937         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2938         -mcpu=440.
2939
2940 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2941
2942         Fix PR tree-optimization/23382
2943
2944         * tree-ssa-alias.c (compute_may_aliases): Call
2945         delete_old_heap_vars.
2946         * tree-dfa.c (referenced_var_remove): New function.
2947         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2948         * tree-flow.h (referenced_var_remove): Add prototype.
2949         (delete_old_heap_vars): Ditto.
2950         * tree-ssa-structalias.c (heapvars): New variable.
2951         (oldheapvars): Ditto.
2952         (get_constraint_for): Put heap vars on heapvars list.
2953         (delete_old_heap_vars): New function.
2954
2955 2005-11-08  Jason Merrill  <jason@redhat.com>
2956
2957         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2958
2959 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2960
2961         PR target/19340
2962         * reg-stack.c (reg_to_stack): Update register liveness also
2963         for flag_sched2_use_traces.
2964
2965 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2966
2967         PR target/23704
2968         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2969         override prior explicit -mno-powerpc-gfxopt.
2970
2971 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2972
2973         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2974         if the bitsize is zero.
2975         * doc/md.texi (Standard Pattern Names): Document it.
2976
2977         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2978         (TARGET_PASS_BY_REFERENCE): Likewise.
2979
2980 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2981
2982         PR rtl-optimization/24683
2983         * config/i386/i386.c (legitimize_pic_address): If constant operand
2984         to PLUS is too large, put it in a register.
2985
2986 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2987
2988         * configure.ac: Enable checking assembler dwarf2 support for bfin
2989         target.
2990         * configure: Regenerate.
2991
2992 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2993
2994         PR target/24230
2995
2996         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2997         gen_easy_vector_constant_add_self): Delete.
2998         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2999         New.
3000         (output_vec_const_move): Use gen_easy_altivec_constant.
3001         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
3002         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
3003         (easy_vector_constant_add_self): Rewritten.
3004         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
3005         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
3006         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
3007         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
3008         Macroize and adjust for the other changes.
3009
3010 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
3011
3012         PR c/24599
3013
3014         * c-typeck.c (build_c_cast): Try using a shared constant, and see
3015         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
3016
3017 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
3018
3019         PR rtl-optimization/23567
3020         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
3021         (noce_process_if_block): Don't do any optimizations except
3022         if (cond) x = x; if !set_b and write into orig_x may trap
3023         or fault.  Remove the MEM_READONLY_P check.
3024
3025 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3026
3027         PR 24670
3028         * tree-vrp.c (fix_equivalence_set): New.
3029         (extract_range_from_assert): Call it.
3030
3031 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3032
3033         PR target/22432
3034         * combine.c (apply_distributive_law): Don't distribute across a
3035         vector mode subreg.
3036
3037 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3038
3039         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3040         config/ms1/ms1.h, config/rs6000/predicates.md,
3041         config/s390/s390.c, params.def, postreload-gcse.c,
3042         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3043         tree-vrp.c, tree.c: Fix comment typos.
3044         * doc/invoke.texi: Fix typos.
3045
3046 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3047
3048         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3049         for testing whether the data_dependence_relation contains distance
3050         vectors.  Iterate over all distance vectors of the ddr.
3051         * lambda.h: Define a vec of lambda_vector pointers.
3052         * tree-data-ref.c (dump_data_dependence_relation,
3053         dump_data_dependence_direction): Iterate over all distance and
3054         direction vectors of the ddr.
3055         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3056         DDR_DIST_VECTS.
3057         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3058         of distance/direction vectors instead of a single one.
3059         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3060         lambda_vectors with a vec of lambda_vectors.
3061         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3062         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3063         DDR_NUM_DIST_VECTS): New.
3064         * tree-loop-linear.c (gather_interchange_stats): Test for the
3065         existence of distance vectors only after having checked that there
3066         is a dependence.  Iterate over all distance vectors of the ddr.
3067         (linear_transform_loops): Use dump_data_dependence_relation.
3068         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3069         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3070         distance vectors of the ddr.
3071
3072 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3073
3074         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3075         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3076         IS_INTHANDLER; all callers changed.
3077         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3078         account.
3079         (do_link, do_unlink): New argument ALL; all callers changed.
3080         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3081         If function isn't leaf, save and restore all registers.
3082         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3083         exception handler.
3084
3085 2005-11-05  Jan Hubicka  <jh@suse.cz>
3086
3087         PR rtl-optimization/23490
3088         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3089         max-flow-memory-location): Document.
3090         * flow.c: Include params.h
3091         (MAX_MEM_SET_LIST_LEN): Kill.
3092         (add_to_mem_set_list): Use new param.
3093         * cse.c (cse_basic_block): Replace 1000 by new param.
3094         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3095         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3096         * predict.c (predict_loops): Use new param.
3097         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3098
3099         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3100         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3101         Do not hold memory returned by cgraph_node_name across other call.
3102
3103 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3104
3105         PR target/23424
3106         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3107         Disable.
3108
3109 2005-11-04  Jeff Law  <law@redhat.com>
3110
3111         PR/21883
3112         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3113         * tree-ssa-dom.c: Include params.h.
3114         (thread_across_edge): If there are too many statements in the
3115         target block, then do not thread through it.
3116         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3117         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3118
3119 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3120
3121         PR 24627
3122         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3123         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3124
3125 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3126
3127         PR/18595
3128         * tree-scalar-evolution.c (instantiate_parameters_1,
3129         instantiate_parameters, resolve_mixers): Compute the size of an
3130         expression to be instantiated and give up the instantiation if the
3131         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3132
3133 2005-11-04  Richard Guenther  <rguenther@suse.de>
3134
3135         * tree-flow.h (ref_contains_indirect_ref): Rename to
3136         array_ref_contains_indirect_ref.
3137         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3138         (array_ref_contains_indirect_ref): Make comment match the code
3139         and vice-versa.
3140         (ref_contains_array_ref): Likewise.
3141         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3142         ref_contains_indirect_ref.
3143         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3144         Rename calls to ref_contains_indirect_ref.
3145
3146 2005-11-04 Paul Brook  <paul@codesourcery.com>
3147
3148         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3149         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3150         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3151         * config/arm/arm.md: Use match_operand in peephole input templates
3152         and match_dup in peephole output templates.
3153
3154 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3155
3156         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3157         __aeabi_uidiv.
3158
3159 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3160             Daniel Jacobowitz  <dan@codesourcery.com>
3161
3162         * longlong.h (add_ssaaaa): Clobber condition code register
3163         in ARM version.
3164         (sub_ddmmss): Likewise.
3165         (umul_ppmm): Likewise.
3166
3167 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3168             Paul Brook  <paul@codesourcery.com>
3169             Phil Blundell  <pb@reciva.com>
3170
3171         * configure.ac: Add test for ARM TLS support.
3172         * configure: Regenerated.
3173         * config/arm/arm-protos.h (legitimize_tls_address)
3174         (arm_tls_referenced_p, tls_mentioned_p)
3175         (arm_output_addr_const_extra): New prototypes.
3176         (thumb_legitimize_pic_address): Delete.
3177         * config/arm/arm.c: Include "gt-arm.h".
3178         (enum tls_reloc): New.
3179         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3180         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3181         (arm_call_tls_get_addr, legitimize_tls_address)
3182         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3183         (arm_init_tls_builtins, arm_emit_tls_decoration)
3184         (arm_output_addr_const_extra): New functions.
3185         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3186         (TARGET_HAVE_TLS): Define.
3187         (target_thread_pointer): New.
3188         (arm_override_options): Handle -mtp=.
3189         (legitimize_pic_address): Ignore UNSPECs.
3190         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3191         relative symbols.
3192         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3193         (tls_get_addr_libfunc): New variable.
3194         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3195         (arm_init_builtins): Call arm_init_tls_builtins.
3196         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3197         (arm_encode_section_info): Call default_encode_section_info.
3198         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3199         (enum arm_tp_type): New.
3200         (target_thread_pointer): Add declaration.
3201         (LEGITIMATE_CONSTANT_P): Handle TLS.
3202         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3203         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3204         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3205         * config/arm/arm.md: Add UNSPEC_TLS.
3206         (movsi): Handle TLS.
3207         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3208         non-PIC.
3209         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3210         (load_tp_hard, load_tp_soft): New insns.
3211         * arm.opt: Add -mtp=.
3212         * doc/invoke.texi (ARM Options): Document -mtp.
3213
3214 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3215
3216         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3217         * config/arm/libunwind.S: Include "lib1funcs.asm".
3218         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3219         (LIB2ADDEH): Add libunwind.S.
3220         (LIB2ADDEHDEP): Add lib1funcs.asm.
3221         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3222
3223 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3224
3225         PR fortran/18452
3226         * gcc/c.opt: Add a -lang-fortran option.
3227         * gcc/c-opts.c: Add a lang_fortran flag.
3228         (c_common_init_options): Handling the -lang-fortran option.
3229         (c_common_handle_option): Add a case for Fortran options in
3230         preprocessing. Remove cases for -ffixed-form and
3231         -ffixed-line-length. Add a case for -lang-fortran.
3232
3233 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3234
3235         * config/rs6000/rs6000.c: Include params.h
3236         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3237         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3238         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3239         (UNSPEC_VPKUWSS): Delete.
3240         (altivec_vpkuhss): Delete.
3241         (altivec_vpkuwss): Delete.
3242         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3243         final condition.
3244         (neg_eq0<mode>): Remove final condition.
3245         (neg_eq<mode>): Remove condition and split-condition.
3246
3247 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3248
3249         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3250         Use associated print macros.
3251
3252 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3253
3254         PR c++/17964
3255         * diagnostic.c (diagnostic_set_info_translated): New function.
3256         (diagnostic_set_info): Use it.  Add comment.
3257         * diagnostic.h (diagnostic_set_info_translated): Declare.
3258
3259 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3260
3261         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3262         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3263         reference only if 'public' is true.
3264         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3265         emit the .hidden directive only if the indirect reference is public.
3266         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3267         Pass it to dw2_force_const_mem.
3268         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3269         * dwarf2out.c (output_cfi): Adjust calls to above function.
3270         (output_call_frame_info): Likewise.
3271         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3272         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3273
3274 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3275
3276         PR tree-optimization/24483
3277         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3278         field to elts if possible.
3279
3280 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3281
3282         PR middle-end/23155
3283         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3284         CONSTRUCTOR.
3285
3286 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3287
3288         Fix PR tree-optimization/24351
3289
3290         * tree-ssa-structalias.c (struct variable_info): Add
3291         collapsed_into.
3292         (get_varinfo_fc): New function to follow collapsing.
3293         (new_var_info): Set collapsed_to to NULL.
3294         (dump_constraint): Follow collapsing.
3295         (build_constraint_graph): Handle collapsing.
3296         (do_simple_structure_copy): Return false if something bad
3297         happened.
3298         (collapse_rest_of_var): New function.
3299         (do_structure_copy): Collapse if do_simple_structure_copy returns
3300         false.
3301
3302 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3303
3304         PR middle-end/24589
3305         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3306         expressions to a statement list instead of gimplifying them.
3307
3308 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3309
3310         PR rtl-optimization/23585
3311         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3312         that can't trap plus a constant integer, if the mode has zero size.
3313
3314 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3315
3316         PR target/24620
3317         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3318         as operand 2.
3319         ("*insv<mode>_reg_extimm"): Likewise.
3320
3321 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3322
3323         PR c/24329
3324         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3325         c_common_type_for_mode returns an unnamed type.
3326
3327 2005-11-02  Richard Henderson  <rth@redhat.com>
3328
3329         PR target/9350
3330         PR target/24374
3331         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3332         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3333         * function.c (assign_parms): Use calls.internal_arg_pointer.
3334         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3335         code.
3336         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3337         (TARGET_CALLS): Add it.
3338         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3339         * targhooks.c (default_internal_arg_pointer): New.
3340         * targhooks.h (default_internal_arg_pointer): Declare.
3341         * tree.h (dwarf2out_reg_save_reg): Declare.
3342         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3343         * config/i386/i386.c (dbx_register_map): Add return column.
3344         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3345         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3346         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3347         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3348         (ix86_save_reg): Save force_align_arg_pointer.
3349         (ix86_emit_save_regs): Make regno unsigned.
3350         (ix86_emit_save_regs_using_mov): Likewise.
3351         (ix86_expand_prologue): Handle force_align_arg_pointer.
3352         (ix86_expand_epilogue): Likewise.
3353         * config/i386/i386.h: (dbx_register_map): Update.
3354         (dbx64_register_map, svr4_dbx_register_map): Update.
3355         (struct machine_function): Add force_align_arg_pointer.
3356         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3357         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3358         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3359
3360 2005-11-02  Jan Hubicka  <jh@suse.cz>
3361
3362         PR target/23303
3363         * i386.md: Add peep2 for simplyfing array accesses.
3364
3365 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3366
3367         PR target/24615
3368         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3369         * config/s390/s390.c (s390_decompose_shift_count): New function.
3370         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3371         (print_shift_count_operand): Use s390_decompose_shift_count.
3372         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3373         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3374
3375 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3376
3377         PR target/24600
3378         * loop.c (loop_givs_rescan): Use force_operand to expand
3379         complex GIVs.
3380
3381 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3382
3383         PR 22429
3384         * fold-const.c (build_range_check): Use unsigned when signed
3385         overflow is undefined also.  If etype is subtype, make sure that
3386         the subtraction is in the supertype.
3387
3388 2005-11-02  Richard Henderson  <rth@redhat.com>
3389
3390         PR target/24178
3391         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3392         by MEM_ALIGN.
3393
3394 2005-11-01  Richard Henderson  <rth@redhat.com>
3395
3396         PR 21518
3397         * loop.c (scan_loop): Do not propagate computations to a hard
3398         register destination with SMALL_REGISTER_CLASSES.
3399
3400 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3401
3402         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3403         costs for MULT inside PLUS or MINUS.
3404
3405 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3406
3407         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3408         (TRAMPOLINE_SIZE): Round up to 60.
3409         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3410
3411 2005-10-31  James E. Wilson  <wilson@specifix.com>
3412
3413         PR debug/24444
3414         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3415         ifdef.  Put ifdefs around call in gen_subprogram_die.
3416         (compute_frame_pointer_to_cfa_displacement): Likewise.
3417         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3418         not defined.
3419
3420         PR rtl-optimization/17356
3421         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3422         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3423
3424 2005-10-31  Jan Hubicka  <jh@suse.cz>
3425
3426         PR middle-end/24093
3427         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3428
3429         PR target/20928
3430         * i386.c (legitimize_pic_address): Deal with large immediates.
3431
3432         PR profile/20815
3433         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3434         from symbol names while computing checkup.
3435
3436         PR profile/24487
3437         * predict.c (predict_loops): Do not estimate more than
3438         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3439         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3440
3441 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3442
3443         PR tree-optimization/19097
3444         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3445
3446 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3447
3448         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3449
3450 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3451
3452         PR middle-end/23492
3453         * tree-inline.c (setup_one_parameter): If the init_stmt
3454         is NULL, don't insert the statement.
3455
3456 2005-10-30  Jan Hubicka  <jh@suse.cz>
3457
3458         PR tree-optimization/24172
3459         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3460
3461 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3462
3463         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3464         constants for hosts with long != 32 bits.
3465
3466 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3467
3468         PR middle-end/24093
3469         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3470
3471 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3472
3473         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3474         (TARGET_MS1_16_002): New.
3475         (TARGET_MS1_16_003): New.
3476
3477         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3478         ("*decrement_and_branch_until_zero_no_clobber"): New.
3479         Add corresponding splitter for decrement_and_branch_until_zero
3480         instruction.
3481         Key all decrement_and_branch_until_zero patterns off of
3482         TARGET_MS1_16_003.
3483
3484 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3485
3486         PR middle-end/24362
3487         * tree-complex.c (extract_component): Treat RESULT_DECL
3488         like the rest of the decls.
3489
3490 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3491
3492         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3493         indirect call to _mcount if the function needs a static chain.
3494
3495 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3496             Caroline Tice  <ctice@apple.com>
3497
3498         PR rtl-optimization/24460
3499         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3500         (dwarf2out_switch_text_section): Set it to true instead of
3501         incrementing separate_line_info_table_in_use.
3502         (output_loc_list): Additionally test have_switched_text_sections.
3503         (output_ranges): Likewise.
3504         (dwarf2out_finish): Likewise.
3505         * varasm.c (assemble_start_function): Do not call
3506         insert_section_boundary_note.
3507         (assemble_end_function): If flag_reorder_blocks_and_partition,
3508         switch to the function's section before emitting the .size directive.
3509         * bb-reorder.c (insert_section_boundary_note): Staticify.
3510         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3511         * output.h (insert_section_boundary_note): Delete.
3512
3513 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3514
3515         PR c/23103
3516         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3517         instead of pointer equality when comparing types.
3518
3519 2005-10-24  James E. Wilson  <wilson@specifix.com>
3520
3521         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3522         add_dependence_list_and_free calls.
3523
3524 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3525
3526         * contrib.texi: Add the names of the LLNL folks who donated
3527         Cray pointer support for gfortran.
3528
3529 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3530
3531         PR tree-optimization/24225
3532         * profile.c (branch_prob): Look from end to start through a
3533         basic block when looking for a locus.
3534
3535 2005-10-24  Richard Henderson  <rth@redhat.com>
3536
3537         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3538         parallel.
3539         (hppa_expand_prologue): Likewise.
3540
3541 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3542
3543         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3544         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3545         * pa.h (NO_PROFILE_COUNTERS): Define.
3546         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3547         (funcdef_nos): New vector to hold label numbers of deferred profile
3548         counters.
3549         (output_deferred_profile_counters): New function.
3550         (hppa_profile_hook): Push label number onto funcdef_nos.
3551         (pa_hpux_file_end): Call output_deferred_profile_counters if
3552         NO_DEFERRED_PROFILE_COUNTERS is false.
3553
3554         * pa-protos.h (get_deferred_plabel): New prototype.
3555         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3556         Make global.
3557         (output_call): Adjust calls.
3558
3559 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3560
3561         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3562         peculiarity of GOT/TOC section usage.
3563
3564 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3565
3566         PR objc/24435
3567          * c-common.c (constant_string_class_name): Add documentation.
3568
3569 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3570
3571         PR target/23832
3572         * recog.c (peephole2_optimize): Increment peep2_current_count
3573         only when the slot is empty.
3574
3575 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3576
3577         PR ada/23957
3578         * except.c (output_function_exception_table): Call
3579         assemble_external_libcall if we need a personality function.
3580
3581 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3582
3583         PR rtl-optimization/24460
3584         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3585         set the basic block for barriers.
3586
3587 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3588
3589         * var-tracking.c (vt_initialize): Initialize post.
3590
3591 2005-10-21  Devang Patel  <dpatel@apple.com>
3592
3593         PR/24220
3594         * c-common.c (vector_types_convertible_p): Check vector element type.
3595
3596 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3597
3598         * config/sh/sh.c (prepare_move_operands): Handle the address
3599         constant which is a tls symbolic address plus a constant.
3600
3601 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3602
3603         PR driver/24473
3604         * gcc.c (main): Use the correct counter for erroring out
3605         about mulitple files.
3606
3607 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3608
3609         PR target/24465
3610         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3611         use r2 for 64-bit tls .got access.
3612
3613 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3614
3615         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3616         TRUTH_OR_EXPR.
3617
3618 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3619
3620         PR tree-optimization/24307
3621         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3622
3623 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3624
3625         PR middle-end/24295
3626         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3627         alias targets.
3628         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3629         is ready, stop marking functions, but still mark variables.
3630
3631 2005-10-20  Richard Guenther  <rguenther@suse.de>
3632
3633         PR c++/24439
3634         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3635         void type operands.
3636
3637 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3638
3639         PR rtl-optimization/23585
3640         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3641         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3642         (may_trap_p_1): New predicate extracted from...
3643         (may_trap_p): ... here.  Invoke may_trap_p_1.
3644         (may_trap_or_fault_p): New predicate.
3645         * rtl.h (may_trap_or_fault_p): Declare it.
3646         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3647         instead of may_trap_p.
3648         (steal_delay_list_from_fallthrough): Likewise.
3649         (fill_simple_delay_slots): Likewise.
3650         (fill_slots_from_thread): Likewise.
3651         * function.c (pad_to_arg_alignment): Rework comment about
3652         SPARC_STACK_BOUNDARY_HACK.
3653         * config/sparc/sparc.h: Likewise.
3654
3655 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3656
3657         * config/s390/s390.c (s390_expand_insv): New.
3658         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3659         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3660         ("icm_hi"): Remove mode attribute.
3661         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3662         Adjust all uses.
3663         ("*extracthi", "*extractqi"): Remove.
3664         (extv<mode>", "*extzv<mode>"): New.
3665         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3666         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3667
3668 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3669
3670         * cfgexpand.c (discover_nonconstant_array_refs_r,
3671         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3672         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3673         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3674         discover_nonconstant_array_refs.
3675
3676 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3677
3678         PR c/23228
3679         * c-decl.c (pop_scope): Don't warn about an unused variable
3680         if it is marked with TREE_NO_WARNING.
3681         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3682         somenow mismatch and olddecl is to be replaced.
3683
3684 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3685
3686         PR middle-end/23199
3687         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3688         whether registers live on the edge can be saved/restored.
3689
3690 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3691
3692         * config/sh/sh.c (fixup_mova): Skip notes.
3693
3694 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3695
3696         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3697         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3698         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3699         (s390_initial_elimination_offset): Likewise.
3700         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3701         register on TARGET_ZARCH targets.
3702         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3703         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3704         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3705         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3706
3707 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3708
3709         * config/s390/s390.md: Comment describing output modifiers updated.
3710         * config/s390/s390.c (print_operand): Likewise.
3711
3712 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3713
3714         * config/s390/s390.c (override_options): Added check for -mstack-size
3715         64k limitation.
3716         * doc/invoke.texi: Mention that limit in the documenation.
3717
3718 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3719
3720         PR #19672
3721         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3722
3723 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3724
3725         Fix PR tree-optimization/24231
3726
3727         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3728         (compute_avail): Ditto.
3729
3730 2005-10-18  Richard Henderson  <rth@redhat.com>
3731
3732         PR target/24428
3733         * config/i386/i386.c (legitimate_constant_p): Check
3734         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3735         if LABEL_REF.
3736         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3737         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3738         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3739         directly.
3740         (print_operand_address): Likewise.
3741         * config/i386/predicates.md (x86_64_immediate_operand): Test
3742         SYMBOL_REF_TLS_MODEL properly inside CONST.
3743         (x86_64_zext_immediate_operand): Likewise.
3744         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3745         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3746         * config/i386/i386-protos.h: Remove predicates.md entries.
3747
3748 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3749
3750         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3751         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3752
3753 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3754             Ian Lance Taylor <ian@airs.com>
3755
3756         PR middle-end/23522
3757         * fold-const.c (fold_widened_comparison): Do not allow range based
3758         constant folding when right operand cannot be unwidened.
3759
3760 2005-10-17  Richard Henderson  <rth@redhat.com>
3761
3762         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3763         with a memory clobber.
3764
3765 2005-10-17  James E Wilson  <wilson@specifix.com>
3766
3767         PR rtl-optimization/17356
3768         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3769         checking for EDGE_EH.
3770
3771 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3772
3773         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3774         the slot on an even boundary for any type with 16-byte alignment.
3775
3776 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3777
3778         PR target/23424
3779         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3780         after register allocation.
3781
3782 2005-10-17  DJ Delorie  <dj@redhat.com>
3783
3784         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3785         as frame related.
3786
3787 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3788
3789         PR c++/22551
3790         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3791         overflow flags.
3792
3793 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3794
3795         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3796         to 2 if it's already non-zero.
3797         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3798         is set and warn about it if flag_schedule_insns is 1.
3799
3800 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3801
3802         * config/crx/crx.md: Compare-and-branch instructions need to
3803         invalidate CC.
3804
3805 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3806
3807         PR target/24315
3808         * config/i386/i386.md (*pushdi2_rex64 splitter)
3809         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3810         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3811         flow2 pass only when (optimize > 0 && flag_peephole2).
3812
3813 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3814
3815         PR driver/22544
3816         * gcc.c (have_c): New static variable.
3817         (have_o): Likewise.
3818         (process_command): Remove declation of have_c.
3819         Set have_o to 1 when handling -o.
3820         (main): Add a fatel error if there are multiple
3821         files specified and -o and -c/-S is passed witout
3822         -combine or multiple languages.
3823
3824 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3825
3826         Fix PR tree-optimization/22444
3827         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3828         Assert that we don't hit something with subvars.
3829         (setup_pointers_and_addressables): Don't add things with subvars,
3830         because we'll already process the subvars for aliasing purposes.
3831
3832 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3833
3834         PR target/23424
3835         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3836         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3837         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3838         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3839         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3840         swapped, alternatives for the R constraint.
3841
3842         PR middle-end/24341
3843         * builtins.c (get_builtin_sync_mode): Make unlimited
3844         mode_for_size request.
3845
3846 2005-10-15  Richard Henderson  <rth@redhat.com>
3847
3848         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3849         (gimplify_expr): ... here.
3850         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3851         fb_lvalue in base expression.
3852
3853 2005-10-15  Richard Henderson  <rth@redhat.com>
3854
3855         PR 23714
3856         * builtins.c (expand_builtin_trap): Export.
3857         * expr.h (expand_builtin_trap): Declare.
3858         * expr.c (expand_assignment): Emit a trap for integral offsets
3859         from registers that weren't reduced to bitpos.
3860
3861         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3862         (mark_array_ref_addressable): Remove.
3863         * tree-flow.h (mark_array_ref_addressable): Remove.
3864         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3865
3866 2005-10-15  James E Wilson  <wilson@specifix.com>
3867
3868         PR target/24232
3869         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3870         (add_dependence_list_and_free): Likewise.
3871         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3872         call.
3873
3874 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3875
3876         PR 23141
3877         PR 23142
3878         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3879         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3880         anti-range.
3881         (vrp_visit_phi_node): Only prevent infinite iterations when
3882         the previous result and the new result are both VR_RANGEs.
3883
3884 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3885
3886         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3887         function comment.
3888
3889 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3890
3891         PR c/23439
3892         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3893         to initialize loc.
3894
3895 2005-10-14  Per Bothner  <per@bothner.com>
3896
3897         PR preprocessor/21250
3898         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3899
3900 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3901
3902         PR c++/22551
3903         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3904         overflow flags.  Refactor some conditionals.
3905
3906 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3907
3908         PR tree-opt/21304
3909         * tree-dfa.c (add_referenced_var): Only look at decls which
3910         have TREE_CONSTANT or TREE_READONLY set instead of if
3911         !TREE_PUBLIC or !TREE_CONSTANT.
3912
3913 2005-10-13  James E Wilson  <wilson@specifix.com>
3914
3915         * doc/invoke.texi: For -x, add f95-cpp-input.
3916         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3917
3918 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3919
3920         PR tree-optimization/24262
3921         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3922         in loop all the time.
3923
3924 2005-10-12  Richard Henderson  <rth@redhat.com>
3925
3926         PR c/24255
3927         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3928         * function.c (assign_parm_find_data_types): Don't support it.
3929         * print-tree.c (print_node): Likewise.
3930         * c-common.c (handle_transparent_union_attribute): Likewise.
3931         Use build_duplicate_type.
3932         * tree-inline.c (remap_type_1): Split out of remap_type;
3933         properly remap aggregate fields.
3934         (build_duplicate_type): New.
3935         * doc/extend.texi (Variable Attributes): Remove documentation
3936         for transparent_union.
3937
3938 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3939
3940         PR target/24284
3941         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3942         (gen_stack_pointer_dec): Likewise.
3943
3944 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3945
3946         PR middle-end/21275
3947         PR middle-end/21766
3948         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3949         target hook.
3950         (struct cxx): Add adjust_class_at_definition target hook.
3951         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3952         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3953         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3954         hook_void_tree. Add to TARGET_CXX.
3955         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3956         dllimport_flag.
3957         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3958         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3959         instead of attribute. Check for dllexport override.  Warn if
3960         inconsistent dll linkage. Don't lose old dllimport if decl has
3961         had address referenced.   Tweak lookup of dllimport atribute.
3962         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3963         for target specific rules.  Don't add dllimport attribute if
3964         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3965         dllimport attribute.
3966         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3967         * varasm.c (initializer_constant_valid_p): Replace
3968         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3969
3970         PR target/21801
3971         PR target/23589
3972         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3973         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3974         (i[34567]86-*-mingw32*): Likewise.
3975
3976         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3977         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3978
3979         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3980         C++-specific code. Change return value to bool.
3981         (i386_pe_dllimport_p): Likewise.
3982         (associated_type): Simplify and make language-independent
3983         (i386_pe_encode_section_info): Replace override of ambiguous
3984         dllimport symbol refs with a gcc_assert.
3985         (i386_pe_valid_dllimport_attribute_p): Define.
3986         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3987         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3988         i386_pe_adjust_class_at_definition.
3989         * config/i386/winnt-stubs.c: New file. Define stub versions of
3990         lang-specific functions.
3991         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3992         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3993         i386_pe_adjust_class_at_definition.
3994         (i386_pe_valid_dllimport_attribute_p): Declare.
3995         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3996         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3997         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3998
3999         PR target/19704
4000         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
4001         dllimport attribute with test of DECL_DLLIMPORT_P.
4002
4003 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
4004
4005         * combine.c (make_extraction): Correct offset computation.
4006
4007 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
4008
4009         * config/cris/t-linux (LIMITS_H_TEST): Define.
4010
4011 2005-10-12  Richard Henderson  <rth@redhat.com>
4012
4013         PR rtl-opt/23324
4014         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
4015
4016 2005-10-12  Richard Guenther  <rguenther@suse.de>
4017
4018         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
4019
4020 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
4021
4022         PR c++/19964
4023         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
4024         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4025         type.
4026
4027 2005-10-12  Richard Guenther  <rguenther@suse.de>
4028
4029         PR c++/23799
4030         * varasm.c (output_constant): Correct typo from previous
4031         patch by DJ.
4032
4033 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4034
4035         PR rtl-optimization/13931
4036         * combine.c: Revert patch of 2003-05-14, and:
4037         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4038         completely killed in the appropriate insn.
4039         (distribute_notes): Don't skip multiple hard register test for
4040         elim_i1 and elim_i2.
4041
4042 2005-10-11  Richard Henderson  <rth@redhat.com>
4043
4044         PR c/24255
4045         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4046         to initialize a transparent union instead of a nop_expr.
4047
4048 2005-10-11  Richard Henderson  <rth@redhat.com>
4049
4050         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4051         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4052         (tree_ssa_dce_loop): Call scev_reset.
4053
4054         PR tree-opt/24300
4055         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4056         * tree-ssa-dce.c: Include cfgloop.h.
4057         (tree_ssa_dce_loop, pass_dce_loop): New.
4058         * tree-pass.h (pass_dce_loop): Declare it.
4059         * passes.c (init_optimization_passes): Use it.
4060
4061 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4062
4063         PR middle-end/24263
4064         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4065         Only apply the optimization for rounding builtins if the inner
4066         cast is also an extension.
4067
4068 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4069
4070         PR tree-opt/23946
4071         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4072         mark_new_vars_to_rename instead of update_stmt.
4073
4074 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4075
4076         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4077
4078 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4079
4080         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4081         for setting MMX register to 0 rather than mmx.
4082
4083 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4084
4085         PR target/12098
4086         * configure.ac: Move gas check from mips specific case to common case.
4087         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4088         * configure: Regenerate
4089         * doc/install.texi: Update.
4090
4091 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4092
4093         PR target/24284
4094         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4095
4096 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4097
4098         * gcc.c (do_spec_1): Accept numeric characters in file name
4099         suffixes.
4100
4101 2005-10-10  Nick Clifton  <nickc@redhat.com>
4102
4103         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4104         describing the deleted arm_gen_rotated_half_load function.
4105
4106 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4107
4108         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4109         __fpscr_values.
4110
4111 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4112
4113         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4114         gnu_ld assignments.
4115         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4116         (EXTRA_MULTILIB_PARTS): Define.
4117         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4118         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4119         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4120         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4121         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4122         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4123
4124 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4125
4126         PR tree-optimization/24226
4127         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4128         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4129         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4130         Export.
4131
4132 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4133
4134         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4135
4136 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4137
4138         PR target/24136
4139         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4140         Rewrite for no need for the early clobber.
4141
4142 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4143
4144         Merge from csl-arm-branch:
4145         2005-09-07  Paul Brook  <paul@codesourcery.com>
4146         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4147         space to string.
4148
4149         2005-04-30  Paul Brook  <paul@codesourcery.com>
4150         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4151         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4152
4153         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4154         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4155         (arm_override_options): Use TARGET_AAPCS_BASED.
4156         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4157         (PTRDIFF_TYPE): Use int for AAPCS.
4158         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4159         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4160         (DEFAULT_SHORT_ENUMS): Delete.
4161         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4162
4163         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4164         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4165         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4166         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4167
4168         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4169         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4170
4171         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4172         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4173
4174         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4175         * config.gcc (arm*-*-linux-gnueabi): Add it.
4176         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4177         redefining it.
4178         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4179         * config/arm/linux-eabi.h: New file.
4180         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4181         (LINUX_TARET_LINK_SPEC): Likewise.
4182         (LINK_SPEC): Use it.
4183         * config/arm/t-linux-eabi: New file.
4184
4185 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4186
4187         PR other/22202
4188         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4189         spaces.
4190         (PARAM_SMS_DFA_HISTORY): Likewise.
4191
4192 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4193
4194         PR middle-end/23150
4195         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4196         (load_register_parameters): Call it.
4197         (check_sibcall_argument_overlap_1): Likewise.
4198         (store_one_arg): Likewise.
4199
4200 2005-10-07  James E. Wilson  <wilson@specifix.com>
4201
4202         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4203         DImode not VECINT24 for operand 2.
4204
4205         PR target/23644
4206         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4207         -mtune-arch.
4208
4209         PR target/24193
4210         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4211         fr_spill): Use destination_operand for operand 0.
4212
4213 2005-10-07  DJ Delorie  <dj@redhat.com>
4214
4215         * varasm.c (output_constant): Limit error to expanding
4216         conversions.
4217
4218 2005-10-07  Richard Guenther  <rguenther@suse.de>
4219
4220         PR middle-end/24227
4221         * fold-const.c (fold_binary): Fix operand types during folding
4222         of X op (A, Y).  Evaluation order of the side-effects of
4223         X and A are frontend-defined, so ensure we honour that even for
4224         tcc_comparison class operands; eased by removing duplicate code.
4225
4226 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4227
4228         * stor-layout.c (layout_type): Do not allow alignment of array
4229         elements to be greater than their size.
4230
4231 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4232
4233         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4234         host_xmake_file.
4235         (hppa*-*-linux*): Ditto.
4236         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4237         * config/host-hpux.c: New.
4238         * config/x-hpux: New.
4239         * config/pa/x-hpux: Remove.
4240         * config/pa/x-linux: Remove.
4241         * config/pa/pa-host.c: Remove.
4242
4243 2005-10-07  Jeff Law  <law@redhat.com>
4244
4245         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4246         determine whether or not to try and thread outgoing edges.
4247
4248 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4249
4250         * config/rs6000/rs6000.md (eqsi_power): New.
4251         (neg_eq0si): Add TARGET_POWER to final condition.
4252         (neg_eqsi): Same.
4253
4254 2005-10-06  Richard Henderson  <rth@redhat.com>
4255
4256         * config/rs6000/rs6000.c: Revert last change.
4257
4258 2005-10-06  Richard Henderson  <rth@redhat.com>
4259
4260         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4261         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4262
4263 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4264
4265         PR middle-end/22216
4266         PR middle-end/23651
4267         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4268         out return_label and naked_return_label.
4269
4270 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4271
4272         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4273         change.
4274
4275 2005-10-06  Richard Henderson  <rth@redhat.com>
4276
4277         PR tree-opt/22237
4278         * tree-inline.c (declare_return_variable): Handle modify_dest not
4279         being a DECL.
4280
4281 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4282
4283         Fix PR tree-optimization/22488
4284         * tree-ssa-structalias.c (check_for_overlaps): New function.
4285         (create_variable_info_for): Use it.
4286
4287 2005-10-06  Richard Henderson  <rth@redhat.com>
4288
4289         PR debug/24070
4290         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4291         (dwarf2out_start_source_file): Print it.
4292
4293 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4294
4295         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4296
4297 2005-10-06  Richard Henderson  <rth@redhat.com>
4298
4299         PR 23706
4300         * mode-switching.c (optimize_mode_switching): Clear transp bit
4301         for block with incomming abnormal edges.
4302
4303         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4304         (fpscr_set_from_mem): Use them.
4305         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4306         (fpscr postinc splitters): Rewrite as peephole2+split.
4307
4308 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4309
4310         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4311         (eq<mode>_compare): Same.
4312
4313 2005-10-06  Richard Guenther  <rguenther@suse.de>
4314
4315         PR tree-optimization/24238
4316         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4317
4318 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4319
4320         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4321         here.  Use AC_PATH_PROG for environment variables instead of
4322         test -x.
4323         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4324         objdump also.
4325         * configure: Regenerated.
4326
4327 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4328
4329         PR target/23783
4330         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4331         then force it into a register.
4332         (call_value): Likewise.
4333
4334 2005-10-06  Richard Henderson  <rth@redhat.com>
4335
4336         PR 24049
4337         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4338         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4339         under pass_vectorize.
4340
4341 2005-10-05  Devang Patel  <dpatel@apple.com>
4342
4343         PR Debug/23205
4344         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4345         handling constants. Check NAMESPACE_DECL context for constants.
4346
4347 2005-10-05  Eric Christopher  <echristo@apple.com>
4348
4349         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4350
4351 2005-10-05  Richard Henderson  <rth@redhat.com>
4352
4353         PR 23714
4354         * tree-cfg.c (mark_array_ref_addressable_1): New.
4355         (mark_array_ref_addressable): New.
4356         * tree-flow.h (mark_array_ref_addressable): Declare.
4357         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4358
4359 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4360
4361         PR middle-end/20606
4362         PR middle-end/24069
4363         * reload.c (subst_reloads): When adding a REG_LABEL to a
4364         jump instruction, also update JUMP_LABEL.
4365
4366 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4367
4368         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4369         * bb-reorder.c (copy_bb_p): Use it.
4370         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4371
4372 2005-10-05  Richard Henderson  <rth@redhat.com>
4373
4374         PR target/23602
4375         * toplev.c (process_options): Warn about unsupported combinations
4376         of unwind tables and omit-frame-pointer.
4377         * config/i386/i386.c (override_options): Similarly.  Enable
4378         accumulate-outgoing-args if not explicitly disabled.
4379
4380 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4381
4382         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4383         Handle big endian vs. small endian.
4384         (vec_initv2sf): Handle big endian vs. small endian.
4385         (*vec_extractv2sf_1): Ditto.
4386
4387 2005-10-05  Dale Johannesen  <dalej@apple.com>
4388
4389         * convert.c (convert_to_real):  Don't convert
4390         (float)floor(double d) to floorf((float)d).
4391
4392 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4393
4394         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4395
4396 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4397
4398         PR tree-optimization/18587
4399         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4400         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4401         build_vuses): Change to VEC type.
4402         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4403         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4404         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4405         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4406         (get_name_decl): New.  Return DECL_UID of base variable.
4407         (operand_build_cmp): New.  qsort comparison routine.
4408         (operand_build_sort_virtual): New.  Sort virtual build vector.
4409         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4410         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4411         (FINALIZE_BASE): Use get_name_decl.
4412         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4413         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4414         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4415         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4416         direct VEC_* manipulations.
4417         (build_ssa_operands): Call operand_build_sort_virtual.
4418         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4419         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4420         with direct VEC_* manipulations.
4421         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4422         with direct VEC manipulations.
4423
4424 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4425
4426         PR tree-optimization/21419
4427         PR tree-optimization/24146
4428         PR tree-optimization/24151
4429
4430         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4431         (build_asm_expr): Call it if outputs are read-only.
4432         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4433
4434 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4435             Paolo Bonzini  <bonzini@gnu.org>
4436
4437         PR target/23809
4438
4439         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4440         enable the instructions and not just the built-ins.
4441         * doc/invoke.texi (x86 Options): Likewise.
4442
4443 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4444
4445         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4446
4447         * doc/invoke.texi (Option Summary): Correct spelling
4448         of -mmacosx-version-min.
4449
4450 2005-10-04  Devang Patel  <dpatel@apple.com>
4451
4452         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4453         real types.
4454
4455 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4456
4457         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4458         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4459
4460 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4461
4462         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4463         ("TE","tg"): New mode attributes.
4464         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4465         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4466         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4467         dword_mode and one for GPRmode.
4468
4469 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4470
4471         PR preprocessor/13726
4472         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4473         any comments passed in.
4474
4475 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4476
4477         * tree.c (annotate_with_file_line): Fix typo.
4478
4479 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4480
4481         PR ada/19382
4482         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4483         type used to access data in the inlined length == 1 case, use
4484         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4485         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4486
4487 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4488
4489         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4490         TARGET_SSE3 and only for TARGET_80387.
4491         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4492         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4493         Do not depend on TARGET_80387.
4494
4495 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4496
4497         * tree.c (last_annotated_node): Change type to location_t*.
4498         (annotate_with_file_line): Reflect the change of
4499         last_annotated_node type.
4500
4501 2005-10-04  Richard Guenther  <rguenther@suse.de>
4502
4503         PR c/23576
4504         * c-decl.c (grokdeclarator): Don't write to fields
4505         of error_mark_node.
4506
4507 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4508
4509         PR middle-end/23125
4510         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4511         register variables.
4512         * varasm.c (make_decl_rtl): If a register variable does not
4513         have a set user assmbler name, error out.
4514         Decode the asmspec is now name+1 bypassing '*'.
4515
4516 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4517
4518         PR tree-optimization/23049
4519         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4520         of a COND_EXPR is folded before calling fold on the whole rhs of a
4521         conditional assignment.
4522         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4523         document that a COND_EXPR may appear there.
4524
4525 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4526
4527         PR 23445
4528         * tree-vrp.c (extract_range_from_assert): If the new numeric
4529         range created out of the assertion contradicts the existing
4530         numeric range of the ASSERT_EXPR variable, make the new range
4531         varying.
4532
4533 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4534
4535         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4536         from T_REGS to FP register class.
4537
4538 2005-10-03  Richard Henderson  <rth@redhat.com>
4539
4540         PR 24135
4541         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4542         before creating a new one.
4543
4544 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4545
4546         * config/rs6000/t-aix43 (LDFLAGS): New.
4547         * config/rs6000/t-aix52 (LDFLAGS): New.
4548
4549 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4550
4551         * gimplify.c (find_single_pointer_decl_1): New static function.
4552         (find_single_pointer_decl): New static function.
4553         (internal_get_tmp_var): For a formal variable, set restrict base
4554         information if appropriate.
4555         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4556         return it.
4557         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4558         (DECL_GET_RESTRICT_BASE): Define.
4559         (SET_DECL_RESTRICT_BASE): Define.
4560         (decl_restrict_base_lookup): Declare.
4561         (decl_restrict_base_insert): Declare.
4562         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4563         * tree.c (restrict_base_for_decl): New static variable.
4564         (init_ttree): Initialize restrict_base_for_decl.
4565         (copy_node_stat): Copy restrict base information.
4566         (decl_restrict_base_lookup): New function.
4567         (decl_restrict_base_insert): New function.
4568         (print_restrict_base_statistics): New static function.
4569         (dump_tree_statistics): Call print_restrict_base_statistics.
4570
4571 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4572
4573         PR 24142
4574         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4575         case of anti-ranges.
4576
4577 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4578
4579         PR c/18851
4580         * c-typeck.c (tagged_tu_seen): Rename to ...
4581         (tagged_tu_seen_cache): this and add val field.
4582         (comptypes): Move functional to comptypes_internal
4583         and free tagged_tu_seen.
4584         (comptypes_internal): New function and call comptypes_internal
4585         instead of comptypes. Speed up by sibcalling
4586         tagged_types_tu_compatible_p.
4587         (alloc_tagged_tu_seen): New function
4588         (free_all_tagged_tu_seen_up_to): New function.
4589         (tagged_types_tu_compatible_p): Return the val of the seen two
4590         types.
4591         Add that the two types are the same to tagged_tu_seen_base
4592         if they are and call comptypes_internal instead of comptypes.
4593         <case UNION_TYPE>: Speed up common type where the fields are
4594         in the same order.
4595         (function_types_compatible_p): Call comptypes_internal instead of
4596         comptypes.
4597         (type_lists_compatible_p): Likewise.
4598         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4599
4600 2005-10-02  Matthias Klose  <doko@debian.org>
4601
4602         * doc/invoke.texi: Fix typo and speling error.
4603
4604 2005-10-01  Richard Henderson  <rth@redhat.com>
4605
4606         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4607
4608 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4609
4610         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4611         using --start-group and --end-group.
4612
4613 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4614
4615         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4616         FIXME note regarding quirky semantics.
4617
4618 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4619
4620         PR 24141
4621         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4622         non-null range as a last resort.
4623
4624 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4625             Diego Novillo  <dnovillo@redhat.com>
4626
4627         PR 23604
4628         * tree-vrp.c (extract_range_from_assert): For !=
4629         assertions, only build an anti-range if LIMIT is a
4630         single-valued range.
4631
4632 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4633
4634         * arm.md (movqi): On thumb when optimizing, handle loading from
4635         memory by describing this as taking a subreg of a zero-extended load
4636         into an SImode register.
4637         (movhi): Likewise.
4638
4639 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4640
4641         * reload1.c (merge_assigned_reloads): Do not change any
4642         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4643
4644 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4645
4646         * Makefile.in (LIPO_FOR_TARGET): Define.
4647         (STRIP_FOR_TARGET): Define.
4648
4649         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4650         before creating new ones.  Do symlinks before creating the actual
4651         targets.
4652
4653         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4654         to work out which multilibs are actually being built.
4655
4656 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4657
4658         * tree-vect-transform.c, config/ms1/ms1.md,
4659         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4660         Follow spelling conventions.
4661         * doc/invoke.texi, doc/md.texi: Fix typos.
4662
4663 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4664
4665         PR tree-optimization/21430
4666         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4667         use operands, and set stmt pointer if need be.
4668         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4669         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4670         present.
4671
4672 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4673
4674         PR middle-end/24053
4675         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4676
4677 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4678
4679         * optabs.c (expand_binop): Initialize first_pass_p.
4680
4681 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4682
4683         PR middle-end/24109
4684         * c-decl.c (c_write_global_declarations_1): If any
4685         wrapup_global_declaration_2 call returned true, restart the loop.
4686
4687 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4688
4689         Fix PR tree-optimization/24117
4690         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4691         before considering whether to use anyoffset.
4692
4693 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4694
4695         Revert this patch:
4696
4697         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4698
4699         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4700         to order operands.
4701         (swap_commutative_operands_with_target): New.
4702
4703 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4704
4705         PR c/21419
4706         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4707         read-only.
4708
4709 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4710
4711         PR tree-optimization/23911
4712         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4713         and IMAGPART_EXPR too.
4714
4715 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4716
4717         PR 17886
4718         * expmed.c (expand_shift): Move logic to reverse rotation
4719         direction when  rotating by constants ...
4720         * optabs.c (expand_binop): ... here.
4721         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4722         (ix86_rotrdi3): New pattern.
4723         (rotldi3): Handle 32-bit mode.
4724         (ix86_rotldi3): New pattern.
4725
4726 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4727
4728         PR target/24102
4729         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4730         check for numbers that need no bit twiddle.
4731
4732 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4733
4734         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4735         multilib to be built.
4736
4737         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4738         (stage1-start): Delete old libgcc and libunwind before moving
4739         anything into the stage directory.
4740         (stage2-start): Likewise.
4741         (stage3-start): Likewise.
4742         (stage4-start): Likewise.
4743         (stageprofile-start): Likewise.
4744         (stagefeedback-start): Likewise.
4745         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4746         header in tm_file and CPU-specific t-darwin in tmake_file.
4747         (i[34567]86-*-darwin*): Don't change tm_file.
4748         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4749         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4750         shared library stub for target OS version.
4751         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4752         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4753         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4754         (libgcc_s.%.dylib): New.
4755         (LIBGCC): Define.
4756         (install-darwin-libgcc-stubs): New.
4757         (INSTALL_LIBGCC): New append.
4758         * config/i386/darwin-libgcc.10.4.ver: New.
4759         * config/i386/darwin-libgcc.10.5.ver: New.
4760         * config/i386/t-darwin: New.
4761         * config/rs6000/darwin-libgcc.10.4.ver: New.
4762         * config/rs6000/darwin-libgcc.10.5.ver: New.
4763         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4764         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4765
4766 2005-09-28  Paul Brook  <paul@codesourcery.com>
4767
4768         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4769         denormals.
4770
4771 2005-09-28  Richard Guenther  <rguenther@suse.de>
4772
4773         PR tree-optimization/23853
4774         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4775         host_integerp to verify misalignment value.
4776
4777 2005-09-28  Richard Henderson  <rth@redhat.com>
4778
4779         * builtins.c (get_builtin_sync_mode): New.
4780         (expand_builtin_sync_operation): Pass in mode argument.
4781         (expand_builtin_compare_and_swap): Likewise.
4782         (expand_builtin_lock_test_and_set): Likewise.
4783         (expand_builtin_lock_release): Likewise.
4784         (expand_builtin): Update to match.
4785
4786 2005-09-28  Nick Clifton  <nickc@redhat.com>
4787
4788         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4789         formatting.  Add check to PLUS case to ensure that the offset is
4790         within an acceptable range.
4791
4792         * config/v850/v850.md (casesi): Disable the generation of the
4793         switch pattern as it is not being handled properly at the moment.
4794
4795         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4796         for when the high words are identical.
4797
4798 2005-09-27  Richard Henderson  <rth@redhat.com>
4799
4800         * pretty-print.c (pp_base_format): Fix typo for %>.
4801
4802 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4803             Devang Patel  <dpatel@apple.com>
4804
4805         PR tree-optimization/23625
4806         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4807         LABEL_EXPR, assertion check.
4808
4809 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4810
4811         * optabs.c (no_conflict_move_test): Check if a result of a
4812         to-be-moved insn would be clobbered by an originally
4813         preceding insn.
4814
4815 2005-09-27  Jeff Law  <law@redhat.com>
4816
4817         * passes.c (init_optimization_passes): Replace copy propagation
4818         passes immediately after DOM with phi-only copy propagation
4819         pases.  Add phi-only copy propagation pass after first DOM pass.
4820         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4821         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4822         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4823         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4824         to init_copy_prop.  Callers updated.
4825         (do_phi_only_copy_prop): New function.
4826         (pass_phi_only_copy_prop): New pass descriptor.
4827
4828 2005-09-27  Nick Clifton  <nickc@redhat.com>
4829
4830         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4831
4832 2005-09-26  Jason Merrill  <jason@redhat.com>
4833
4834         PR c++/13764
4835         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4836
4837         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4838
4839 2005-09-26  James E Wilson  <wilson@specifix.com>
4840
4841         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4842         copyright.  Add gcc copyright plus libgcc exception.
4843         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4844         copyright.
4845         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4846
4847 2005-09-26  Jeff Law  <law@redhat.com>
4848
4849         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4850         about when to iterate.
4851
4852 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4853
4854         PR target/23847
4855         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4856         for __complex__ double in -mcpu=G5 mode.
4857
4858 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4859
4860         PR tree-optimization/23942
4861         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4862         * tree-scalar-evolution.c: Include params.h.
4863         (t_bool): New enum.
4864         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4865         follow_ssa_edge_in_condition_phi_branch,
4866         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4867         Change return type to t_bool.  Use a parameter to limit the size of
4868         trees that are walked before stopping
4869         (analyze_evolution_in_loop): Initialize the limit to 0.
4870         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4871         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4872
4873 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4874
4875         PR middle-end/23831
4876         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4877         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4878
4879 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4880
4881         * combine.c (make_extraction): Check for valid use of subreg.
4882
4883 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4884
4885         PR target/24055
4886         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4887         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4888         ("fist<mode>2_with_temp"): Use only register operands.
4889
4890 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4891
4892         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4893         CALL_INSN_FUNCTION_USAGE.
4894
4895 2005-09-26  Richard Guenther  <rguenther@suse.de>
4896
4897         PR middle-end/15855
4898         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4899         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4900         (ldst_entry): Use the hashtable instead of list-walking.
4901         (find_rtx_in_ldst): Likewise.
4902         (free_ldst_entry): Free the hashtable.
4903         (compute_ld_motion_mems): Create the hashtable.
4904         (trim_ld_motion_mems): Remove entry from hashtable if
4905         removing it from list.
4906         (compute_store_table): Likewise^2.
4907         (store_motion): Free hashtable in case we did not see
4908         any stores.
4909
4910 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4911
4912         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4913         and arg1 if we are passing them to fold_build2.
4914
4915 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4916
4917         PR 23828
4918         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4919         a nested function.
4920
4921 2005-09-25  Richard Henderson  <rth@redhat.com>
4922
4923         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4924         SYMBOL_REF_TLS_MODEL to be correct.
4925
4926 2005-09-24  Richard Henderson  <rth@redhat.com>
4927
4928         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4929         end of function.  Reindent.
4930
4931 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4932
4933         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4934         NEGATE_EXPR/BIT_NOT_EXPR case.
4935
4936 2005-09-24  Richard Henderson  <rth@redhat.com>
4937
4938         * c-common.c (handle_mode_attribute): When not modifying in place,
4939         create subtypes for enumerations.
4940         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4941         * gimplify.c (create_tmp_from_val): Likewise.
4942
4943 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4944
4945         * config/i386/i386.md (*tls_global_dynamic_64,
4946         *tls_local_dynamic_base_64): Add missing mode to call.
4947         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4948
4949 2005-09-24  Jan Hubicka  <jh@suse.cz>
4950
4951         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4952         (cgraph_clone_node): Likewise.
4953         * cgraph.h (cgraph_clone_edge): Update prototype.
4954         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4955         duplicated prototypes; add updating argument.
4956         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4957         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4958         updating profile.
4959         (cgraph_mark_inline_edge): Likewise.
4960         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4961         (cgraph_flatten_node): Likewise.
4962         (cgraph_decide_recursive_inlining): Likewise.
4963         (cgraph_decide_inlining_of_small_function): Likewise.
4964         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4965
4966 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4967             Pete Steinmetz <steinmtz@us.ibm.com>
4968
4969         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4970         (rldic.): Set type to "compare".
4971         (rldicr.): Same.
4972         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4973         mfjmpr for MFCTR/MFLR.
4974         (movdf_hardfloat64): Same.
4975         (movdf_softfloat64): Same.  Correct order of store and move types.
4976         (movti_string): Set type to store_ux/load_ux.
4977         (load_multiple): Set type to load_ux.
4978         (store_multiple): Set type to store_ux.
4979         (movmemsi): Set type to store_ux.
4980         (output_cbranch direct_return): Set type to jmpreg.
4981         (stmw): Set type to store_ux.
4982         (lmw): Set type to load_ux.
4983         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4984         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4985         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4986         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4987         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4988         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4989         (rios1-fpstore): Increase latency to 3.
4990         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4991         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4992
4993 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4994             Andrew Pinski  <pinskia@physics.uc.edu>
4995
4996         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4997         operand2 constraint to "b".
4998         (sync_<fetchop_name>di_internal): Same.
4999         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
5000         to "b".
5001         (sync_old_<fetchop_name>di_internal): Same.
5002         (sync_new_<fetchop_name>si_internal): Same.
5003         (sync_new_<fetchop_name>di_internal): Same.
5004
5005 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
5006
5007         PR middle-end/23991
5008         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5009         case, define as macros.
5010
5011         PR rtl-optimization/23837
5012         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
5013         clobber / clobber match between dest and p->first.
5014
5015         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
5016         (no_conflict_move_test): Update comments.
5017
5018 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
5019
5020         * doc/install.texi: Update URL for Jacks.
5021         * doc/sourcebuild.texi: Likewise.
5022
5023 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
5024
5025         PR target/24007
5026         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5027         registers when choosing register preferences.
5028         (movdf_hardfloat64): Same.
5029
5030 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5031
5032         * expmed.c (expand_shift): Don't use the target of the rotate as
5033         target for the first expanded shift insn.
5034         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5035
5036 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5037
5038         PR tree-optimization/22438
5039         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5040         preserved iv rhs rewriting specially.
5041
5042 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5043
5044         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5045         estimate_only  is true.
5046         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5047         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5048         tree-ssa-structalias.c
5049         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5050         ref_contains_indirect_ref.
5051         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5052
5053 2005-09-21  DJ Delorie  <dj@redhat.com>
5054
5055         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5056         MASK_PTR_A0D0.
5057         (mn10300_return_in_memory): Support variable size types also.
5058         (mn10300_pass_by_reference): Likewise.
5059         (mn10300_function_value): New.
5060         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5061         (FUNCTION_OUTGOING_VALUE): Likewise.
5062         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5063         * doc/invoke.texi: Document it.
5064
5065 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5066
5067         PR target/22585
5068         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5069         force integer op1 into register for XFmode compares.
5070
5071 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5072
5073         PR middle-end/23971
5074         * expmed.c (alg_code): Add alg_impossible.
5075         (alg_hash_entry): Add cost.
5076         (synth_mult): Record alg_impossible in the hash table if
5077         multiplication by a given integer is impossble within the
5078         limit.  Speed up using alg_impossible.
5079
5080 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5081
5082         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5083         argument.  Allow and set any offset if needs_anyoffset is passed
5084         in.
5085         (get_constraint_for): Add argument here too.
5086         Pass it down.
5087         (do_structure_copy): Pass NULL to get_constraint_for.
5088         (handle_ptr_arith): Ditto.
5089         (find_func_aliases): Ditto.
5090
5091 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5092
5093         PR rtl-optimization/23898
5094         * output.h (get_attr_min_length): Declare.
5095         * final.c (get_attr_length_1): New function, broken out of:
5096         (get_attr_length).
5097         (get_attr_min_length): New function.
5098         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5099         (duplicate_computed_gotos): Likewise.
5100         * genattr.c (insn_min_length): Generate declaration.
5101         * genattrtab.c (min_fn, min_attr_value): New functions.
5102         (make_length_attrs): Generate insn_min_length.
5103
5104 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5105
5106         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5107
5108 2005-09-20  Richard Henderson  <rth@redhat.com>
5109
5110         PR tree-optimization/24059
5111         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5112         EXPAND_STACK_PARM.
5113
5114 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5115
5116         * c.opt (fextended-identifiers): New.
5117         * c-opts.c (c_common_handle_option): Handle
5118         -fextended-identifiers.
5119         * doc/cpp.texi: Update documentation of extended identifiers.
5120         * doc/cppopts.texi (-fextended-identifiers): Document.
5121
5122 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5123
5124         PR tree-optimization/23929
5125         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5126         if expr is NULL.
5127
5128         PR tree-optimization/23818
5129         * tree-stdarg.c (execute_optimize_stdarg): Call
5130         calculate_dominance_info.
5131
5132 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5133
5134         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5135         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5136         (compute_overlap_steps_for_affine_1_2): Use
5137         get_number_of_iters_for_loop.
5138         (analyze_subscript_affine_affine): Check whether difference is
5139         zero first.
5140         Use get_number_of_iters_for_loop.
5141         Check whether overlap occurs outside of bounds.
5142         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5143
5144 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5145
5146         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5147         base register if possible.
5148
5149 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5150
5151         PR tree-optimization/18463
5152         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5153         converting it directly is not possible.
5154         (chrec_convert_aggressive): New function.
5155         * tree-chrec.h (chrec_convert_aggressive): Declare.
5156         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5157         Fold chrec conversions aggressively if asked to.
5158         (instantiate_parameters): Modified because of changes in
5159         instantiate_parameters_1.
5160
5161 2005-09-19  Richard Henderson  <rth@redhat.com>
5162
5163         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5164         (reduc_splus_v2df): New.
5165
5166 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5167
5168         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5169         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5170
5171 2005-09-19  Richard Henderson  <rth@redhat.com>
5172
5173         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5174         vcondu<SSEMODE12>.
5175
5176 2005-09-19  Richard Henderson  <rth@redhat.com>
5177
5178         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5179         (ia64_expand_dot_prod_v8qi): New.
5180         * config/ia64/ia64-protos.h: Update.
5181         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5182         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5183         sdot_prodv8qi, sdot_prodv4hi): New.
5184         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5185
5186 2005-09-19  Richard Henderson  <rth@redhat.com>
5187
5188         PR 23941
5189         * real.c (exact_real_truncate): Return false if the format cannot
5190         represent the number as a normal.
5191
5192         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5193         for a memory source.
5194
5195 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5196
5197         * tree-ssa-operands.c (swap_tree_operands): Export.
5198         * tree.h (swap_tree_operands): Declare.
5199         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5200         Call swap_tree_operands.
5201
5202 2005-09-19  Richard Henderson  <rth@redhat.com>
5203
5204         * tree-flow.h (merge_alias_info): Declare.
5205         * tree-ssa-copy.c (merge_alias_info): Export.
5206         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5207         (vect_create_data_ref_ptr): Use create_iv directly.
5208         (vectorizable_load): Use correct types for integer constants.
5209         (vect_generate_tmps_on_preheader): Likewise.
5210         (vect_gen_niters_for_prolog_loop): Likewise.
5211
5212 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5213
5214         PR rtl-optimization/23943
5215         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5216
5217 2005-09-18  Jan Hubicka  <jh@suse.cz>
5218
5219         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5220
5221 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5222
5223         * varasm.c (output_constant): Do not abort on conversions to union
5224         types between different sizes.
5225
5226 2005-09-18  Richard Guenther  <rguenther@suse.de>
5227
5228         PR middle-end/23944
5229         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5230         fallback.
5231
5232 2005-09-18  Paul Brook  <paul@codesourcery.com>
5233
5234         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5235
5236 2005-09-17  Richard Henderson  <rth@redhat.com>
5237
5238         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5239         * tree-ssa-loop.c (pass_vect_dce): Remove.
5240         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5241         of pass_vectorize.
5242
5243 2005-09-17  Richard Henderson  <rth@redhat.com>
5244
5245         * tree-pass.h (pass_vect_dce): Declare.
5246         * passes.c (init_optimization_passes): Add it.
5247         * tree-flow.h (tree_ssa_dce): Declare.
5248         * tree-ssa-dce.c (tree_ssa_dce): Export.
5249         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5250         (gate_tree_vectorize): ... here.
5251         (pass_vect_dce): New.
5252
5253 2005-09-17  Jan Hubicka  <jh@suse.cz>
5254
5255         * except.c (struct eh_status): Turn region_array into vec.
5256         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5257         convert_from_eh_region_ranges, find_exception_handler_labels,
5258         current_function_has_exception_handlers, assign_filter_values,
5259         build_post_landing_pads, dw2_build_landing_pads,
5260         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5261         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5262         foreach_reachable_handler, can_throw_internal_1,
5263         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5264         region_array.
5265         (duplicate_eh_region_1): Update region_array.
5266         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5267
5268 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5269
5270         PR middle-end/22067
5271         * expmed.c (expand_mult): Substitute simple register for op0 when
5272         computing max_cost.
5273
5274 2005-09-17  Richard Henderson  <rth@redhat.com>
5275
5276         * expr.c (emit_move_via_integer): Add force argument, pass it on
5277         to emit_move_change_mode.  Update callers.
5278         (emit_move_complex): Pass true to new force argument.
5279         * function.c (expand_function_end): Move expand_eh_return call
5280         earlier.  Merge sub-word complex values into a pseudo before
5281         copying to the return hard register.
5282
5283 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5284
5285         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5286         between different sizes.
5287
5288 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5289
5290         PR 23903
5291
5292         * passes.c (init_optimization_passes): Register dump files for
5293         IPA passes first.
5294
5295 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5296
5297         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5298         * config/s390/s390.c (s390_overlap_p): New function.
5299         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5300         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5301         condition.
5302
5303 2005-09-16  Richard Guenther  <rguenther@suse.de>
5304
5305         * ipa-pure-const.c (static_execute): Free auxiliar information.
5306         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5307         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5308
5309 2005-09-15  DJ Delorie  <dj@redhat.com>
5310
5311         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5312
5313 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5314
5315         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5316         to order operands.
5317         (swap_commutative_operands_with_target): New.
5318
5319 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5320
5321         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5322         parameter.
5323         Update callers.
5324         (estimate_iters_using_array): New function.
5325         * tree-data-ref.h (estimate_iters_using_array): Prototype
5326         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5327         Use estimate_iters_using_array instead of analyze_array.
5328
5329 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5330
5331         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5332         as addressable.
5333
5334 2005-09-15  Michael Matz  <matz@suse.de>
5335
5336         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5337
5338 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5339
5340         PR tree-optimization/23835
5341         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5342         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5343
5344 2005-09-14  Richard Henderson  <rth@redhat.com>
5345
5346         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5347         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5348
5349 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5350
5351         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5352         in the ARRAY_TYPE case.
5353
5354 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5355
5356         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5357
5358 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5359
5360         PR middle-end/22480
5361         * tree-vect-transform.c (vectorizable_operation): Return false for
5362         scalar shift operations and for vector shift operations with
5363         non-invariant shift arguments.  Use scalar tree operand op1 as
5364         a shift operand when vector shift insn pattern uses scalar shift
5365         operand.
5366         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5367
5368 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5369
5370         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5371         value if it has side-effects.
5372
5373 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5374
5375         PR target/22068
5376         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5377
5378 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5379
5380         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5381         passed as NAME as if it were label at start of function code.
5382
5383 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5384
5385         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5386         the constraints.
5387
5388 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5389
5390         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5391         as early clobber.  Rewrite so the PIC register is not implicitly used.
5392
5393 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5394
5395         * tree.c (annotate_with_file_line): Compare line numbers before
5396         file names.
5397
5398 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5399
5400         PR target/23816
5401         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5402         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5403
5404 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5405
5406         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5407         than a HOST_WIDEST_INT to gen_doloop_begin.
5408
5409 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5410
5411         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5412
5413 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5414
5415         PR tree-optimize/23817
5416         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5417
5418 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5419
5420         PR target/23774
5421         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5422         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5423         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5424         (restore_stack_nonlocal): Likewise.
5425         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5426
5427 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5428
5429         PR g++/7874
5430         * c.opt (ffriend-injection): New C++ option.
5431         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5432         (C++ Dialect Options): Document -ffriend-injection.
5433
5434 2005-09-12  Josh Conner  <jconner@apple.com>
5435
5436         PR middle-end/23237
5437         * ipa-reference.c (static_execute): Don't mark variables in
5438         named sections TREE_READONLY.
5439
5440 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5441
5442         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5443         stack_tie.
5444
5445 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5446
5447         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5448         V_MUST_DEF instead of just the first_use_p.
5449         Don't mark the virtual variables for renaming on the statement which
5450         is being removed.
5451         (pass_dse): Remove TODO_update_ssa.
5452
5453 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5454
5455         PR middle-end/23290
5456         * stor-layout.c (compute_record_mode): For records with a single
5457         field, actually check the field's mode size against the type size.
5458
5459         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5460         registers for TARGET_SHMEDIA.
5461         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5462         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5463         of GENERAL_REGS and FP_REGS.
5464
5465 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5466
5467         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5468
5469 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5470
5471         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5472         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5473         are omitted.  Exclude stack_tie insn too.
5474
5475 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5476
5477         PR rtl-optimization/23098
5478         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5479         0.0f is easy.
5480         * config/rs6000/rs6000.md (movdf splitter): Use
5481         const_double_operand predicate for TARGET_POWERPC64.
5482         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5483         SYMBOL_REF method to ABI_V4.
5484
5485         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5486         replace_equiv_address.
5487         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5488         rs6000_sr_alias_set and MEM_NOTRAP.
5489         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5490
5491 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5492
5493         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5494         handle CALL_EXPR again.
5495
5496 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5497
5498         * arm/predicates.md (alignable_memory_operand): Delete.
5499
5500 2005-09-10  Richard Henderson  <rth@redhat.com>
5501
5502         PR debug/23806
5503         * dbxout.c (dbxout_expand_expr): New.
5504         (dbxout_symbol): Use it.
5505
5506 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5507
5508         * arm.c (arm_gen_rotated_half_load): Delete.
5509         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5510         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5511         (thumb_set_return_address): Likewise.
5512         (thumb_load_double_from_address): Use adjust_address.
5513         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5514         (extendhsisi2_mem, movhi_bytes): Use change_address.
5515         (movhi): Use widen_memory_access.
5516         (reload_out_df): Use replace_equiv_address.
5517         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5518
5519 2005-09-09  Richard Henderson  <rth@redhat.com>
5520
5521         PR debug/20998
5522         * dbxout.c: Include expr.h.
5523         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5524         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5525         * Makefile.in (dbxout.o): Add EXPR_H.
5526
5527 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5528
5529         PR tree-optimization/23509
5530         * tree-cfg.c (replace_uses_by): Use replace_exp.
5531         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5532         pointers have name_mem_tag or type_mem_tag set.
5533
5534 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5535
5536         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5537         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5538         of wrongly accessing operands.
5539
5540 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5541
5542         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5543         * tree-chrec.c: Include tree-scalar-evolution.h.
5544         (chrec_convert): Instantiate the base and step before calling
5545         scev_probably_wraps_p that would fail on parametric evolutions.
5546         Collect all the fails into a single section failed_to_convert,
5547         print a diagnostic, and return chrec_dont_know instead of calling
5548         fold_convert.
5549         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5550         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5551         phi nodes.
5552         (scev_const_prop): Don't replace the definition of a loop closed ssa
5553         phi node by itself, or by another loop closed ssa phi node.
5554         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5555         that base and step are defined.
5556
5557 2005-09-09  Richard Guenther  <rguenther@suse.de>
5558
5559         PR c++/23624
5560         * fold-const.c (fold_ternary): Check truth_value_p before
5561         calling invert_truthvalue.
5562
5563 2005-09-09  Nick Clifton  <nickc@redhat.com>
5564
5565         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5566         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5567         dimension of these arrays.
5568         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5569         these arrays.
5570         * longlong.h: Only provide a prototype for the __clz_tab[] array
5571         if this header has not been included from libgcc2.h.
5572         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5573         defining own types.
5574         Provide prototypes for exported functions.
5575         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5576         libgcc2.c.
5577
5578 2005-09-08  Josh Conner  <jconner@apple.com>
5579
5580         PR c++/21135
5581         PR c++/23180
5582         * expr.c (expand_expr_addr_expr_1): Don't invoke
5583         expand_simple_binop for EXPAND_INITIALIZER.
5584
5585 2005-09-08  Richard Henderson  <rth@redhat.com>
5586
5587         PR debug/23190
5588         * toplev.c (wrapup_global_declaration_1): Split out ...
5589         (wrapup_global_declaration_2): ... from ...
5590         (wrapup_global_declarations): ... here.  Return bool.
5591         (check_global_declaration_1): Split out ...
5592         (check_global_declarations): from here.
5593         (emit_debug_global_declarations): New.
5594         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5595         check_global_declaration_1, emit_debug_global_declarations): Declare.
5596         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5597         of decls.  Call wrapup_global_declaration_1,
5598         wrapup_global_declaration_2, check_global_declaration_1 directly.
5599         (c_write_global_declarations_2): New.
5600         (ext_block): New.
5601         (c_write_global_declarations): Call c_write_global_declarations_2.
5602         * langhooks.c (write_global_declarations): Call
5603         emit_debug_global_declarations.
5604
5605         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5606         remove decls that have DECL_RTL_SET_P.
5607         * passes.c (rest_of_decl_compilation): Invoke
5608         cgraph_varpool_finalize_decl for all but functions.
5609
5610 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5611
5612         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5613         the result of a conversion if the new min and max cannot be compared.
5614
5615 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5616
5617         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5618         (override_options): Setting s390_sr_alias_set removed.
5619         (save_fpr, save_gprs): Set alias set to vararg or frame.
5620         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5621         s390_sr_alias_set with get_frame_alias_set ().
5622         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5623         get_varargs_alias_set ().
5624
5625 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5626
5627         PR objc/20574
5628         PR objc/19324
5629         * c-parser.c (c_parser_objc_method_definition): If the next
5630         token is not "{", error out and don't start the function.
5631
5632 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5633
5634         * tree-vrp.c (extract_range_from_expr): Move the check for non
5635         nullness after the check for gimple invariant.
5636
5637 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5638
5639         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5640
5641 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5642
5643         PR target/23747
5644         * config/m32r.md (movmemsi_internal): Canonicalize order of
5645         operands in PLUS component of template.
5646
5647 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5648
5649         * reload1.c (fixup_eh_region_note): Remove assertion.
5650         (fixup_abnormal_edges): Reverted removal of call to
5651         find_many_sub_basic_blocks made on 2005-08-31.
5652
5653 2005-09-07  Richard Henderson  <rth@redhat.com>
5654
5655         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5656         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5657         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5658         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5659         rearrange for better packing.
5660         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5661         (lookup_cfa_1): Remove inline marker.
5662         (cfa_equal_p): Split out of ...
5663         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5664         (build_cfa_loc): Handle !cfa->indirect.
5665         (frame_pointer_cfa_offset): New.
5666         (dbx_reg_number): Assert register elimination performed; do
5667         leaf register remapping.
5668         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5669         (eliminate_reg_to_offset): New.
5670         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5671         for verifiably local stack frame addresses; re-base to CFA.
5672         (mem_loc_descriptor): Remove can_use_fbreg argument.
5673         (concat_loc_descriptor, loc_descriptor): Likewise.
5674         (containing_function_has_frame_base): Remove.
5675         (rtl_for_decl_location): Don't do register elimination or
5676         leaf register remapping here.
5677         (secname_for_decl): Split out from ..
5678         (add_location_or_const_value_attribute): ... here.
5679         (convert_cfa_to_loc_list): New.
5680         (compute_frame_pointer_to_cfa_displacement): New.
5681         (gen_subprogram_die): Use them.
5682         * tree.h (frame_base_decl): Remove.
5683         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5684         (prologue_stack_adjust): Remove.
5685         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5686         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5687         (set_frame_base_location): Remove.
5688         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5689         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5690         (vt_add_function_parameters): Don't eliminate_regs.
5691         (vt_initialize): Don't create frame_base_decl.
5692
5693 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5694
5695         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5696         version of GNU binutils for 4.x and later.
5697
5698 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5699
5700         * ggc-page.c (ggc_push_context): Remove.
5701         (ggc_pop_context): Likewise.
5702         * ggc.h (ggc_push_context): Remove.
5703         (ggc_pop_context): Likewise.
5704
5705 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5706
5707         PR target/8973
5708         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5709         returning from an interrupt handler.
5710
5711 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5712
5713         PR target/8972
5714         * config/arc/arc.c (output_shift): Add check for loop count when
5715         optimizing.
5716
5717 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5718
5719         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5720         form manually.
5721         (abs_replacement): Likewise.
5722         (pass_phiopt): Remove TODO_update_ssa.
5723
5724 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5725
5726         PR c/23075
5727         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5728         if "return with no value, in function returning non-void" warning
5729         has been issued.
5730         * tree-cfg.c (execute_warn_function_return): Don't look at
5731         RETURN_EXPRs with TREE_NO_WARNING set.
5732
5733         PR target/22362
5734         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5735         for internal functions doesn't use registers used by global registers
5736         variables.  Use fewer register parameters if there are global register
5737         variables.
5738
5739 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5740             Eric Botcazou  <ebotcazou@adacore.com>
5741
5742         PR middle-end/14997
5743         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5744         when we would be extracting outside its bit span (bitpos+bitsize
5745         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5746         Ada unchecked conversions.
5747
5748 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5749
5750         * tree-ssa-pre.c (try_look_through_load): New function.
5751         (compute_avail): Use it to try to look through loads for some
5752         more useful expressions.
5753
5754 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5755
5756         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5757         condition for detecting cases like (a&a) and (a^a).
5758
5759 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5760
5761         * common.opt: Add option ftree-vect-loop-version.
5762         * params.def: Add --param vect-max-version-checks.
5763         * doc/invoke.texi: Document ftree-vect-loop-version and
5764         --param vect-max-version-checks.
5765         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5766         may_misalign_stmts and defines for accessors.
5767         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5768         LOOP_VINFO_MAY_MISALIGN_STMTS.
5769         (destroy_loop_vec_info): VEC_free for
5770         LOOP_VINFO_MAY_MISALIGN_STMTS.
5771         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5772         Update documentation.
5773         (vect_update_misalignment_for_peel): New.
5774         (vect_enhance_data_refs_alignment): Update to choose loop
5775         peeling or loop versioning if appropriate for the (potentially)
5776         unaligned data references in the loop.
5777         (vect_analyze_data_refs_alignment): Remove call to
5778         vect_enhance_data_refs_alignment so the checks can be done
5779         earlier.
5780         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5781         and move up call to vect_analyze_data_refs_alignment.
5782         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5783         (vect_transform_loop): Add call to loop_version.
5784
5785 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5786
5787         PR rtl-optimization/23098
5788         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5789         * simplify-rtx.c (constant_pool_reference_p): New function.
5790         * rtl.h (constant_pool_reference_p): New prototype.
5791         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5792         constant_pool_reference_p in condition and
5793         avoid_constant_pool_reference in preparation statements.
5794
5795 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5796
5797         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5798         STRICT_LOW_PART SETs.
5799
5800 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5801
5802         PR middle-end/21460
5803         * except.c (sjlj_emit_function_enter): Find the function begin
5804         note even when it's not in first basic block.
5805
5806 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5807
5808         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5809         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5810         * aclocal.m4: Regenerate.
5811
5812 2005-09-05  DJ Delorie  <dj@redhat.com>
5813
5814         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5815         of macro.
5816
5817 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5818
5819         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5820         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5821         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5822         Follow spelling conventions.
5823         * doc/invoke.texi: Follow spelling conventions.
5824
5825 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5826
5827         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5828         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5829         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5830
5831 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5832
5833         PR target/23683
5834         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5835         (output_stack_adjust): Use gen_tmp_stack_mem.
5836         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5837         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5838         (sh_get_pr_initial_val): Likewise.
5839         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5840         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5841         * sh.md (divsi_inv_m0): Use gen_const_mem.
5842         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5843         (movdf_i4+1): Use gen_tmp_stack_mem.
5844         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5845         (fpu_switch+2): Likewise.
5846         (movv4sf_i, movv16sf_i): Use adjust_address.
5847         (symGOT_load): Set MEM_NOTRAP_P bit.
5848
5849 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5850
5851         PR target/23721
5852         * pa.c (emit_move_sequence): Fix typo in last change.
5853
5854 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5855
5856         PR rtl-optimization/23454
5857         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5858         is true.
5859
5860 2005-09-03  Richard Henderson  <rth@redhat.com>
5861             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5862
5863         PR middle-end/23671
5864         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5865         gen_rtx_MEM.
5866
5867 2005-09-02  Nicolas Pitre <nico@cam.org>
5868
5869         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5870         to bit_count to 32 bits.
5871
5872 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5873
5874         PR c++/23167
5875         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5876         generating synthetic loads from volatile lvalues.
5877
5878 005-09-02  Nick Clifton  <nickc@redhat.com>
5879
5880         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5881         __ctzhi2, __clzhi2): New functions.
5882
5883 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5884
5885         PR middle-end/23547
5886         * tree-nested.c (struct var_map_elt): Mark with GTY.
5887         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5888         var_map_elt.
5889         (lookup_field_for_decl): Allocate new element in GC memory.
5890         (lookup_tramp_for_decl): Likewise.
5891         (convert_nl_goto_reference): Likewise
5892         (create_nesting_tree): Allocate info in GC memory. Likewise for
5893         info->var_map.
5894         (free_nesting_tree): Free with ggc_free instead of free.
5895         (root): New static variable.
5896         (lower_nested_functions): Remove root as local variable.  And zero out
5897         root at the end of the function.
5898
5899 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5900
5901         PR rtl-optimization/20365
5902         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5903         to short.  New member ix.
5904         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5905         (simplify_plus_minus): Initialize ix members before calling qsort.
5906
5907 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5908
5909         PR tree-optimization/23626
5910         * tree-cfg.c (replace_uses_by): Clean up eh info.
5911
5912 2005-09-01  DJ Delorie  <dj@redhat.com>
5913
5914         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5915         fprintf.
5916
5917 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5918
5919         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5920         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5921         gen_rtx_MEM.
5922
5923 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5924
5925         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5926         do not issue warning for a variable definition following
5927         a declaration.
5928
5929 2005-09-01  Richard Henderson  <rth@redhat.com>
5930
5931         PR 23668
5932         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5933         conversion to CONST_VECTOR.
5934
5935 2005-09-01  Richard Henderson  <rth@redhat.com>
5936
5937         PR 23676
5938         * reload1.c (reload_as_needed): Check !CALL_P before calling
5939         fixup_eh_region_note.
5940         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5941
5942 2005-09-01  DJ Delorie  <dj@redhat.com>
5943
5944         * varasm.c (output_constant): Let the target resolve
5945         conversions of addresses to non-default pointer sizes.
5946
5947 2005-09-01  Nicolas Pitre <nico@cam.org>
5948
5949         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5950         to alow matching ARM pre-indexed addressing mode.
5951         (arm_override_options): Remove now irrelevant comment.
5952
5953 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5954
5955         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5956         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5957         * config/i386/vxworks.h:  Likewise.
5958         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5959         * config/i386/vxworksae.h:  Likewise.
5960
5961 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5962
5963         PR tree-optimization/23410
5964         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5965         sequence is not wrapping during the first step.
5966
5967 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5968
5969         PR debug/7241
5970         * dwarf2out.c (base_type_die): Compare char_type_node with
5971         TYPE_MAIN_VARIANT (type), not type.
5972
5973 2005-09-01  Richard Guenther  <rguenther@suse.de>
5974
5975         PR tree-optimization/15366
5976         * common.opt: Add -finline-functions-called-once.
5977         Put -fearly-inlining in alphabetically ordered place.
5978         * doc/invoke.texi: Document new option.
5979         * ipa-inline.c (cgraph_decide_inlining): Honour
5980         flag_inline_functions_called_once.
5981
5982 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5983
5984         PR rtl-optimization/23478
5985         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5986         (alloc_qty): Initialize it.
5987         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5988         (combine_regs): Combine also n_throwing_calls_crossed fields.
5989         (find_free_reg): Don't attempt to caller-save pseudos crossing
5990         calls that might throw.
5991         * global.c (struct allocno): Add throwing_calls_crossed field.
5992         (global_alloc): Revert 2005-08-22 change.  Initialize
5993         throwing_calls_crossed.
5994         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5995         might throw.
5996
5997 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5998
5999         PR target/23649
6000         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
6001         (mask64_operand): Reinstate code prior to 2005-06-11 change.
6002         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
6003         (and64_2_operand): Tweak to use predicate.
6004         (and_operand): Adjust for mask_operand changes.
6005         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
6006         (print_operand): Likewise.
6007         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
6008         (mask64_1or2_operand): Delete.
6009         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
6010         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
6011         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
6012         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
6013         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
6014         (rotldi3_internal4): Likewise.
6015         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
6016         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
6017         (ashldi3_internal7): Likewise.
6018         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
6019         (ashldi3_internal, ashldi3_internal9 split): Likewise.
6020         (anddi3 split): Don't match mask64_operand.
6021         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
6022         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
6023         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
6024         't' splitter predicate.
6025         (movdi_internal64 + 2): Revert 2005-06-11 change.
6026
6027 2005-08-31  DJ Delorie  <dj@redhat.com>
6028
6029         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6030         (m32c_asm_integer): Add support for 32 bit pointers.
6031
6032 2005-08-31  Richard Henderson  <rth@redhat.com>
6033
6034         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6035         component-like references for setting MEM_NOTRAP_P.
6036
6037         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6038         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6039
6040 2005-08-31  Richard Henderson  <rth@redhat.com>
6041
6042         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6043         into a pseudo before applying gen_lowpart.
6044
6045 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6046
6047         * doc/install.texi (Specific): Update cctools version required
6048         for full functionality.
6049         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6050         linkers as -macosx_version_min.
6051
6052 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6053
6054         PR target/21255
6055         * sh.c (print_operand, %R and %S): Add handling of floating point
6056         registers, memory, constants and invalid operands.
6057
6058 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6059
6060         * ipa-pure-const.c: Change dump name.
6061
6062 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6063
6064         PR target/23570
6065         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6066         to "reg_or_0_operand".
6067         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6068
6069 2005-08-31  Dale Johannesen  <dalej@apple.com>
6070
6071         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6072         loops that count down.
6073
6074 2005-08-31  Richard Henderson  <rth@redhat.com>
6075
6076         PR rtl-opt/23601
6077         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6078         (fixup_eh_region_note): New.
6079         (reload_as_needed): Call it.
6080         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6081         don't call find_many_sub_basic_blocks; call verify_flow_info.
6082         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6083         (keep_stack_depressed): Likewise.
6084         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6085
6086 2005-08-31  Richard Henderson  <rth@redhat.com>
6087
6088         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6089         fp return matching.
6090
6091 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6092
6093         * expr.c (expand_expr_real_1): Compare size of address
6094         mode to target's address mode size in deciding expansion of
6095         the constant address.
6096
6097 2005-08-31  Richard Guenther  <rguenther@suse.de>
6098
6099         PR middle-end/23477
6100         * expr.c (all_zeros_p): New function.
6101         (expand_expr_real_1): Handle the case of an all-zero
6102         non-addressable constructor separately.
6103
6104 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6105
6106         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6107         arguments, adjust all callers.
6108         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6109
6110 2005-08-30  Richard Henderson  <rth@redhat.com>
6111
6112         PR target/23630
6113         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6114         whenever the mode sizes match.
6115
6116 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6117
6118         * calls.c (load_register_parameters): Fix comment typo.
6119         * expr.c (emit_push_insn): Comment formatting.
6120
6121 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6122
6123         * config/i386/x-cygwin (host-cygwin): Change dependency from
6124         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6125
6126 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6127
6128         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6129         parts of 'vals'.
6130
6131 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6132
6133         PR middle-end/23408
6134         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6135         call to ggc_collect.
6136
6137 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6138
6139         PR bootstrap/21268
6140         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6141         beginning.  Remove $(INCLUDES) from all the rules, if following
6142         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6143
6144 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6145
6146         PR middle-end/23484
6147         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6148         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6149         not constant, but maxlen is, don't set len to maxlen, rather
6150         set maxlen to len if len is a constant.
6151
6152 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6153
6154         PR tree-optimization/23475
6155         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6156         and counts.
6157
6158 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6159
6160         Fix PR middle-end/22455
6161
6162         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6163         Checksum only the parts of the tree that exist for the tree code.
6164
6165 2005-08-28  Dale Johannesen  <dalej@apple.com>
6166
6167         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6168
6169 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6170
6171         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6172
6173 2005-08-28  Richard Henderson  <rth@redhat.com>
6174
6175         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6176         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6177         of char_type_node.
6178
6179 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6180
6181         PR ada/23593
6182         * builtins.c (get_memory_rtx): Don't strip nops
6183         in between COMPONENT_REFs.
6184
6185 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6186
6187         PR middle-end/23463
6188         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6189         types.
6190         (gimplify_modify_expr): Check for zero sized types and gimplify the
6191         rhs and lhs as statements.
6192
6193 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6194
6195         PR libgcj/23508
6196         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6197         state for return address column of signal frames.
6198
6199 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6200
6201         PR target/23539
6202         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6203         bytes >= 2 not bytes == 2.
6204         (expand_block_move): Same.
6205
6206 2005-08-27  Richard Guenther  <rguenther@suse.de>
6207
6208         PR target/23575
6209         * config/i386/sse.md (sse2_movsd): Add missing closing
6210         braces.
6211
6212 2005-08-27  Paul Brook  <paul@codesourcery.com>
6213
6214         * genrecog.c (enum decision_type): Add DT_num_insns.
6215         (struct decision_test): Add u.num_insns.
6216         (add_to_sequence): Add DT_num_insns test.
6217         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6218         (write_cond, debug_decision_2): Ditto.
6219         (change_state): Assume peep2_next_insn never fails.
6220         Remove "afterward" argument.
6221         (write afterward, write_tree): Update to match.
6222         * recog.c (peep2_current_count): New variable.
6223         (peep2_next_insn): Check it.
6224         (peephole2_optimize): Set peep2_current_count.
6225         * recog.h (peep2_current_count): Declare.
6226
6227 2005-08-26  Josh Conner  <jconner@apple.com>
6228
6229         PR middle-end/23584
6230         * ipa-pure-const.c (check_tree): Check for volatile-ness
6231         when considering a dereference.
6232
6233 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6234
6235         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6236
6237 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6238
6239         PR rtl-optimization/23561
6240         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6241         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6242         at most LEN bytes long memory fits into the field.
6243         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6244         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6245         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6246
6247 2005-08-26  Richard Henderson  <rth@redhat.com>
6248
6249         PR rtl-opt/23560
6250         * loop.c (biased_biv_may_wrap_p): New.
6251         (maybe_eliminate_biv_1): Use it to suppress non-equality
6252         comparison transformations.  Delete disabled code.
6253
6254 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6255
6256         * combine.c (make_extraction): Avoid reference outside object.
6257
6258 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6259
6260         * stor-layout.c (finalize_type_size): Restore behaviour for
6261         non-aggregate types to the status quo ante of the patch for
6262         pr 23467.  Document why it matters.
6263
6264 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6265
6266         PR c/23506
6267         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6268         array by one element, initialize the BT_LAST element with NULL.
6269
6270 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6271
6272         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6273         optimizing for size.
6274         (plus_eqsi): Same.
6275         (compare_plus_eqsi): Same.
6276         (plus_eqsi_compare): Same.
6277         (neg_eq0<mode>): Same.
6278         (neg_eq<mode>): Same.
6279
6280         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6281         PROCESSOR_POWER4.
6282
6283 2005-08-26  Nick Clifton  <nickc@redhat.com>
6284
6285         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6286         TARGET_EP is not defined.
6287         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6288         TARGET_EP is enabled.
6289         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6290         * config/v850/v850.md (save_all_interrupt): Only use the EP
6291         register if TARGET_EP is defined.
6292         (restore_all_interrupt): Likewise.
6293         * config/v850/lib1funcs.asm: Update functions so that the EP
6294         register is only used if __EP__ is defined.
6295
6296 2005-08-26  David Ung  <davidu@mips.com>
6297
6298         * config/mips/mips.c (mips_expand_prologue): Handle case when
6299         generating for MIPS16 and the outgoing argument area is more than
6300         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6301         add instruction.
6302
6303 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6304
6305         * config/crx/crx.md: Make doloop_end pattern usage controllable
6306         via mloop-nesting=<max-nesting> command line switch. Make sure
6307         the combiner cannot use doloop_end_<mode> in an illegal way.
6308         * config/crx/crx.c: Use regs up to r6 for argument passing.
6309         Refine crx_address_cost (non cst4 displacements are expensive).
6310         * config/crx/crx.opt: Add switch for mloop-nesting=.
6311
6312 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6313
6314         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6315         (UNSPEC_MVST): New constant.
6316
6317 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6318
6319         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6320         Reject operands containing eliminable registers.
6321         * testsuite/gcc.dg/20050825-1.c: New testcase.
6322
6323 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6324             Jan Hubicka  <jh@suse.cz>
6325
6326         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6327
6328 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6329
6330         PR tree-optimization/23546
6331         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6332         and REAL_CST nodes.
6333
6334 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6335
6336         * params.def (PARAM_MIN_SPEC_PROB): New.
6337         * sched-rgn.c (MIN_PROBABILITY): Delete.
6338         (compute_trg_info): Convert to PARAM_VALUE.
6339         * doc/invoke.texi (param): Document min-spec-prob.
6340
6341 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6342
6343         * config/darwin.h: define __PIC__
6344         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6345         TARGET_OS_CPP_BUILTINS macro.
6346
6347 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6348
6349         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6350         yesterday.
6351
6352 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6353
6354         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6355         to duplicate_block.
6356         * cfghooks.c (duplicate_block): Added position where to place
6357         new block as argument.
6358         * cfghooks.h (duplicate_block): Declaration changed.
6359         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6360         duplicate_block.
6361         * cfglayout.h (copy_bbs): Declaration changed.
6362         * cfgloop.h (loop_version): Declaration changed.
6363         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6364         position to copy_bbs.
6365         (loop_version): Pass position to duplicate_loop_to_header_edge.
6366         Add place_after argument and position new blocks according to
6367         it.
6368         * modulo-sched.c (sms_schedule): Pass place_after argument
6369         to loop_version.
6370         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6371         * tree-cfg.c (split_edge_bb_loc): New function.
6372         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6373         to determine position of new blocks.
6374         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6375         to loop_version.
6376         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6377         argument to duplicate_block.
6378         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6379         Pass position to copy_bbs.
6380
6381 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6382
6383         * fold-const.c (ptr_difference_const): Use
6384         cst_and_fits_in_hwi instead of host_integerp.
6385
6386 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6387
6388         * config/darwin.c (gen_pic_offset): New.
6389         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6390         Use it.
6391
6392 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6393
6394         PR tree-optimization/23486
6395         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6396
6397 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6398
6399         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6400         remove use_collect2.
6401         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6402
6403         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6404         configuration files to override the default value.
6405
6406         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6407         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6408         * config/vx-common.h:  New file, split out from...
6409         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6410         * config/vxworksae.h:  New file, for VxWorks AE.
6411         * config/vxworks.opt:  New file.
6412         * config/vxlib.c:  Update for VxWorks 6.
6413
6414         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6415         other MULTILIB_* variables appropriately.
6416         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6417         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6418         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6419         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6420
6421 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6422
6423         PR target/20799
6424         * config/darwin.c (machopic_select_section): Remove the hack to
6425         mark "::operator new" and "::operator delete" for coalescing
6426         even though they are not weak.
6427
6428 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6429
6430         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6431         * configure: Regenerate.
6432
6433 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6434
6435         PR middle-end/23517
6436         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6437         between vectors.
6438         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6439         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6440         Likewise.
6441
6442 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6443
6444         * config/rs6000/predicates.md (equality_operator): New.
6445         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6446         comparison with a large constant.
6447
6448 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6449
6450         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6451
6452 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6453
6454         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6455         registers is even, and we have a hardware double precision fp,
6456         align the buffer.
6457         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6458         size of current argument when checking if argument was passed in
6459         registers.
6460
6461         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6462
6463         PR middle-end/23467
6464         * stor-layout.c (finalize_type_size): Dont override
6465         existing alignment with a smaller alignment from the mode.
6466
6467 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6468
6469         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6470         * lambda.h (lambda_vector_lexico_pos): ... here.
6471         * tree-data-ref.c (build_classic_dist_vector): Return false when
6472         the distance vector is lexicographically negative.
6473
6474 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6475
6476         PR tree-optimization/23511
6477         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6478         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6479
6480 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6481
6482         PR tree-optimization/22043
6483         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6484         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6485         If ALLOW_FLEXARR, handle types ending with flexible array member.
6486         Pass false as second argument to recursive count_type_elements calls.
6487         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6488         argument to count_type_elements call.
6489         * tree-sra.c (decide_block_copy): Likewise.
6490         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6491         for a constant-sized object, set cleared as well.  Pass true as
6492         second argument to count_type_elements call.
6493
6494 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6495
6496         PR target/21571
6497         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6498         from legitimate_small_data_p, and make global.  Update use.
6499         Remove forward declaration.
6500         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6501         Declare.
6502         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6503
6504 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6505
6506         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6507         of scratch intermediates.
6508         (eq<mode>_compare): Same.
6509         (neg_eq0<mode>): New.
6510         (neg_eq<mode>): Convert to define_insn_and_split.
6511
6512 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6513
6514         PR target/23070
6515         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6516         stdarg functions, set/clear the fp marker even when no variable
6517         args are passed.
6518         * config/rs6000/sysv4.opt (mprototype): Describe.
6519
6520 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6521
6522         PR rtl-optimization/23478
6523         * regs.h (reg_info): Add throw_calls_crossed.
6524         (REG_N_THROWING_CALLS_CROSSED): Define.
6525         * flow.c (allocate_reg_life_data): Initialize
6526         REG_N_THROWING_CALLS_CROSSED.
6527         (propagate_one_insn, attempt_auto_inc): Update
6528         REG_N_THROWING_CALLS_CROSSED.
6529         * global.c (global_alloc): Don't allocate pseudos across
6530         calls that may throw.
6531
6532 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6533
6534         PR c/18715
6535         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6536         value is inbetween the range if we did not find an exact match.
6537
6538 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6539
6540         * doc/invoke.texi (Option Summary): Add ms1 options.
6541         * doc/extend.texi: Document interrupt handler attribute for ms1.
6542         * doc/md.texi: Document ms1 constraints.
6543         * config.gcc: Add ms1-*-elf.
6544         * config/ms1/ms1.h: New.
6545         * config/ms1/ms1.c: New.
6546         * config/ms1/ms1.md: New.
6547         * config/ms1/ms1-protos.h: New.
6548         * config/ms1/ABI.txt: New.
6549         * config/ms1/crti.asm: New.
6550         * config/ms1/crtn.asm: New.
6551         * config/ms1/lib2extra-funcs.c: New.
6552         * config/ms1/t-ms1: New.
6553         * config/ms1/ms1.opt: New.
6554
6555 2005-08-22 Ira Rosen <irar@il.ibm.com>
6556
6557         * config/rs6000/altivec.md (xorv4sf3): New.
6558         (negv4sf2, neg<mode>2): Likewise.
6559
6560 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6561
6562         PR target/23485
6563         * config/ia64/ia64.md (divsi3): Check divide by zero.
6564         (udivsi3): Likewise.
6565         (divdi3): Likewise.
6566         (udivdi3): Likewise.
6567
6568 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6569
6570         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6571         up to elem_bitsize bits, not max_bitsize.
6572
6573 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6574
6575         PR tree-optimization/23433
6576         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6577         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6578
6579 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6580
6581         PR tree-optimization/23434
6582         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6583         the iteration bound is not an INTEGER_CST.
6584
6585 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6586
6587         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6588         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6589         NULL if need_epilog_adjust is false.
6590         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6591         Case 3 always peels first itration, not just for PLUS case, and no need
6592         to use scalar_initial_def here. Create an epilog adjustment only if
6593         scalar_initial_def is not NULL.
6594
6595         (vectorizable_reduction): Remove assert.
6596
6597 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6598
6599         PR target/23485
6600         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6601         (__moddi3): Likewise.
6602         (__udivdi3): Likewise.
6603         (__umoddi3): Likewise.
6604         (__divsi3): Likewise.
6605         (__modsi3): Likewise.
6606         (__udivsi3): Likewise.
6607         (__umodsi3): Likewise.
6608
6609 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6610
6611         * tree-pass.h (TDF_GRAPH): Define.
6612         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6613         * passes.c (finish_optimization_passes): Only call
6614         finish_graph_dump_file if TDF_GRAPH is set.
6615         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6616         NULL.  Set TDF_GRAPH bit.
6617         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6618
6619 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6620
6621         * arm.h (arm_stack_offsets): Add locals_base field.
6622         * arm.c (arm_get_frame_offsets): Compute it.
6623         (thumb_compute_initial_elimination offset): Make the Thumb frame
6624         pointer point to the base of the local variables.
6625         (thumb_expand_prologue): Update accordingly.
6626         (thumb_expand_epilogue): Likewise.
6627
6628         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6629         mode of clobbered scratch to DImode.  Handle a case that's known to
6630         need this.
6631
6632 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6633
6634         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6635         (gt0<mode>_compare): Delete.
6636         (neg_gt0<mode>): Delete.
6637
6638 2005-08-19  Eric Christopher  <echristo@apple.com>
6639
6640         * optabs.h: Change CTI_ to COI_.
6641         * optabs.c: Ditto.
6642
6643 2005-08-19  James E Wilson  <wilson@specifix.com>
6644
6645         * builtins.c (expand_builtin_return_addr): Set
6646         current_function_accesses_prior_frames when count != 0.  Use
6647         frame_pointer_rtx when count == 0.
6648         * function.h (struct function): Add accesses_prior_frames field.
6649         (current_function_accesses_prior_frames): Define.
6650         * reload1.c (init_elim_table): Check
6651         current_function_accesses_prior_frames.
6652         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6653
6654 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6655
6656         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6657         indicator.  Return true if the flowgraph changed during
6658         cleanup.
6659
6660 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6661
6662         PR 23476
6663         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6664         conditional expression before testing its value.
6665
6666 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6667
6668         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6669
6670 2005-08-19  Devang Patel  <dpatel@apple.com>
6671
6672         PR tree-optimization/23048
6673         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6674         third parameter. Check whether latch is dominated by exit
6675         block or not.
6676         (if_convertible_loop_p): Supply exit block itself to
6677         if_convertible_bb_p.
6678
6679 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6680
6681         PR target/23473
6682         * arm.md (arm_load_pic_register): Change argument to the mask of
6683         saved registers.  Call thumb_find_work_register if we need a
6684         scratch register on Thumb.
6685         (arm_expand_prologue): Pass empty register set to
6686         arm_load_pic_register.
6687         (thumb_expand_prologue): Pass live_regs_mask directly to
6688         arm_load_pic_register.
6689         * arm-protos.h (arm_load_pic_register): Update prototype.
6690
6691 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6692
6693         * sh.c (find_sole_member): New function.
6694         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6695         if the record's alignment is larger than the size of its only member.
6696
6697 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6698
6699         PR target/23436
6700         * arm.c (thumb_legitimize_reload_address): New function.
6701         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6702         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6703
6704 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6705
6706         * config/crx/crx.c: Implement crx_decompose_address. Reject
6707         symbolic displacements since CRX register relative adressing
6708         mode can't handle unsigned 32-bit values as displacements.
6709         * config/crx/crx.h: Simplify definitions, remove redundant
6710         parenthesis and obsolete macros.
6711         * config/crx/crx.opt: Add new switch for debugging addresses.
6712         * config/crx/crx-protos.h: Add new declarations for above.
6713
6714 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6715
6716         PR middle-end/20624
6717         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6718         looking past it.
6719
6720 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6721
6722         * collect2.c (dup2): Delete.
6723         * configure.ac: Don't check for dup2.
6724
6725         * config.in, configure: Regenerate.
6726
6727 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6728
6729         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6730         record with the type of its only member.
6731
6732 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6733
6734         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6735         define_insn_and_split.
6736         (plus_ltu<mode>_compare): Same.
6737         (gtu<mode>_compare): Same.
6738         (plus_gtu<mode>_compare): Same.
6739
6740 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6741
6742         PR tree-optimization/22228
6743         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6744         todo_flags_start.
6745         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6746         are recorded in vect_vnames_to_rename for renaming.
6747         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6748         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6749         in vect_vnames_to_rename.
6750         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6751         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6752
6753 2005-08-18  Jan Hubicka  <jh@suse.cz>
6754
6755         PR c++/22034
6756         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6757         info only for local statics, not for member variables.
6758
6759 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6760
6761         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6762
6763 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6764
6765         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6766
6767 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6768
6769         PR middle-end/16045
6770         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6771
6772 2005-08-17  James E Wilson  <wilson@specifix.com>
6773
6774         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6775         array size check.
6776
6777 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6778
6779         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6780         (leu<mode>_compare): Same.
6781         (plus_leu<mode>): Same.
6782         (neg_leu<mode>): Same.
6783         (and_neg_leu<mode): Same.
6784         (ltu<mode>_compare): Same.
6785         (plus_ltu<mode>): Same.
6786         (geu<mode>): Same.
6787         (geu<mode>_compare): Same.
6788         (plus_geu<mode>): Same.
6789         (neg_geu<mode>): Same.
6790         (and_neg_geu<mode>): Same.
6791         (plus_gt<mode>): Same.
6792         (gtu<mode>_compare): Same.
6793         (plus_gtu<mode>): Same.
6794
6795 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6796
6797         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6798         Move call_table_data to end.  Delete spurious .text.
6799         (callt_save_all_interrupt): Fix comment typo.
6800
6801 2005-08-17  James E Wilson  <wilson@specifix.com>
6802             Kevin Winchester  <winchester@amirix.com>
6803
6804         PR target/21684
6805         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6806
6807 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6808
6809         PR target/23268
6810         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6811         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6812
6813 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6814
6815         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6816         record with the type of its only member if the modes don't match.
6817
6818         * varasm.c (decode_reg_name): Skip empty additional register names.
6819
6820 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6821
6822         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6823         lsm_tmp_name_length): New.
6824         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6825         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6826
6827 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6828             Andreas Krebbel  <krebbel1@de.ibm.com>
6829
6830         * config.gcc: Added z9-109 switch.
6831         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6832         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6833         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6834         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6835         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6836         for "z9_109" cpu attribute.
6837         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6838         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6839         (s390_handle_arch_option): Added z9-109 switch.
6840         (override_options): Set respective cost function for z9-109.
6841         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6842         (legitimate_reload_constant_p): Accept extended immediates.
6843         (print_operand): Three new output modifiers added: k, m and o.
6844         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6845         (s390_output_mi_thunk): Use extended immediate when possible.
6846         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6847         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6848         (CONSTRAINT_LEN): Added length of O constraint.
6849         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6850         * config/s390/s390.md ("cpu"): New value z9_109 added.
6851         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6852         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6853         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6854         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6855         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6856         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6857         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6858         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6859         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6860         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6861         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6862         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6863         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6864         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6865         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6866         immediates.
6867         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6868         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6869         insns for TARGET_EXTIMM.
6870
6871 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6872
6873         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6874
6875 2005-08-17  Nick Clifton  <nickc@redhat.com>
6876
6877         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6878         Call default_encode_section_info.
6879
6880 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6881
6882         PR tree-optimization/21574
6883         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6884         constant, return CONSTANT.
6885         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6886         (ccp_fold, visit_assignment): Likewise.
6887         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6888
6889 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6890
6891         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6892         fold_buildN instead of buildN then fold_initializer or fold.
6893         (build_unary_op): Likewise.
6894         (build_binary_op): Likewise.
6895         * fold-const.c (fold_initializer): Remove.
6896         (fold_build1_initializer): New function.
6897         (fold_build2_initializer): New function.
6898         (fold_build3_initializer): New function.
6899         * tree.h (fold_initializer): Remove.
6900         (fold_build1_initializer): New function.
6901         (fold_build2_initializer): New function.
6902         (fold_build3_initializer): New function.
6903
6904 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6905
6906         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6907         (try_move_mult_to_index): Call fold_build2 instead of build2.
6908         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6909         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6910         fold_binary_to_constant.
6911         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6912         fold (build.
6913         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6914         check if A == gcd (A, B).  Remove TYPE argument.
6915         (analyze_offset) Use fold_build2 instead of fold (build.
6916         (create_data_ref): Likewise.
6917         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6918         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6919         then fold.
6920
6921 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6922
6923         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6924         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6925
6926 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6927
6928         PR tree-opt/23402
6929         * gimplify.c (zero_sized_type): New function.
6930         (gimplify_modify_expr_rhs): If we have a zero sized type,
6931         replace the statement with an empty statement.
6932
6933 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6934
6935         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6936         fxsave.
6937
6938 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6939
6940         * doc/tm.texi (Label Output): Correct typo.
6941
6942 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6943
6944         PR target/23376
6945         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6946         force_operand will work later on using have_insn_for.
6947
6948 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6949
6950         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6951
6952 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6953
6954         PR c++/23337
6955         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6956         vector type, don't try to construct it element by element.  Add an
6957         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6958
6959 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6960
6961         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6962
6963 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6964
6965         * doc/invoke.texi (Precompiled Headers): Document some more options
6966         which are known to be safe.
6967
6968 2005-08-16  James E Wilson  <wilson@specifix.com>
6969
6970         PR tree-optimization/21105
6971         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6972         TREE_OVERFLOW check.
6973
6974 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6975
6976         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6977         (neg_ltu<mode>): Same.
6978         (gtu<mode>): Same.
6979         (neg_gtu<mode>): Same.
6980
6981 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6982
6983         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6984         (fold_builtin_isdigit): Use fold_buildN.
6985         (build_function_call_expr): Likewise.
6986         * c-typeck.c (c_finish_loop): Likewise.
6987
6988 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6989             Richard Shann <rshann@superh.com>
6990
6991         PR middle-end/20396:
6992         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6993
6994 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6995
6996         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6997
6998 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6999
7000         PR target/23355
7001         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
7002         arm_compure_save_reg0_reg12_mask to determine when the PIC register
7003         must be saved.
7004
7005 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7006
7007         PR middle-end/23369
7008         * fold-const.c (build_range_check): Disable optimization for function
7009         pointer expressions on targets that require function pointer
7010         canonicalization.
7011
7012 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
7013
7014         * simplify-rtx.c (simplify_const_relational_operation): When
7015         extracting arguments of a COMPARE, recompute the mode as well.
7016
7017 2005-08-15  Ian Lance Taylor  <ian@airs.com>
7018
7019         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
7020
7021 2005-08-15  DJ Delorie  <dj@redhat.com>
7022
7023         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
7024         the stack.
7025         (movsi_splittable): Allow, but split, moves to the stack.
7026         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7027         stack.
7028
7029 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7030
7031         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7032         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7033         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7034
7035         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7036         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7037         Delete HOST_PTR_PRINTF.
7038
7039         * configure, config.in: Regenerate.
7040
7041 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7042
7043         * config/rs6000/rs6000.md (QHSI): New mode macro.
7044         (wd): Extend mode attr for QImode and HImode
7045         (dbits): New mode attr.
7046         (zero_extend<mode>di2): Convert to mode macro.
7047
7048 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7049
7050         PR target/21841
7051         * doc/invoke.texi (-mgnu-ld): Update description.
7052         (-mhp-ld): Ditto.
7053
7054 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7055
7056         PR 23391
7057         * Makefile.in (tree-chrec.o): Depends on real.h.
7058         * tree-chrec.c: Include real.h.
7059         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7060         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7061         * tree-scalar-evolution.c (add_to_evolution_1,
7062         interpret_rhs_modify_expr): Ditto.
7063
7064 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7065
7066         PR 23386
7067         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7068         step is negative compute the estimation from init downwards to zero.
7069
7070 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7071
7072         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7073
7074 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7075
7076         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7077         constraint.
7078         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7079         Accept double-word constants that can be split.
7080         * config/s390/s390.md ("movti"): Use 'P' constraint.
7081         ("*movdi_31", "*movdf_31"): Likewise.
7082
7083 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7084
7085         Fix PR tree-optimization/22615
7086
7087         * tree-ssa-structalias.c (solution_set_add): Handle
7088         first_vi_for_offset returning NULL.
7089         (do_da_constraint): Ditto.
7090         (do_sd_constraint): Ditto.
7091         (do_ds_constraint): Ditto
7092         (find_func_aliases): Ditto.
7093         (build_constraint_graph): RHS is allowed be ANYTHING.
7094         (first_vi_for_offset): Return NULL if we couldn't find anything at
7095         the offset.
7096
7097 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7098
7099         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7100         over memory as first operand.
7101
7102 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7103
7104         PR target/23360
7105         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7106         available for setting it.
7107
7108 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7109
7110         PR tree-optimization/23320
7111         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7112         data-refs' types instead of base object nullness. Add check for
7113         pointer type data-refs before first location comparison. Remove
7114         assert.
7115
7116 2005-08-14  Andreas Schwab  <schwab@suse.de>
7117
7118         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7119
7120 2005-08-13  James E Wilson  <wilson@specifix.com>
7121
7122         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7123         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7124         -fstack-protector-all, --param ssp-buffer-size): Document.
7125         (-Wvariadic-macros): Alphabetize.
7126         (-fsched-stalled-insns-dep): Add missing 'f'.
7127
7128         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7129         macros.
7130
7131 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7132
7133         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7134         or indirect address operand.
7135         (EXTRA_ADDRESS_CONSTRAINT): New.
7136         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7137
7138 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7139
7140         PR tree-optimization/22236
7141         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7142         successors and predecessors.
7143         * tree-chrec.c (chrec_convert): Before converting, check that
7144         sequences don't wrap.
7145         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7146         (analyze_array): Extern.
7147         (find_data_references_in_loop): Remove call to
7148         compute_estimated_nb_iterations.
7149         * tree-data-ref.h (analyze_array): Declared.
7150         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7151         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7152         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7153         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7154         condition.
7155         * tree-ssa-loop-ivcanon.c: Fix documentation.
7156         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7157         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7158         (infer_loop_bounds_from_undefined): New.
7159         (estimate_numbers_of_iterations_loop): Use
7160         infer_loop_bounds_from_undefined.
7161         (used_in_pointer_arithmetic_p): New.
7162         (scev_probably_wraps_p): Pass an extra parameter.  Call
7163         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7164         (convert_step): Fix documentation.
7165         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7166         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7167         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7168         scev_probably_wraps_p.
7169
7170 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7171
7172         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7173         (s390_register_info): Ignore clobbered_regs information for fixed
7174         registers, and only fixed registers.
7175         (s390_init_frame_layout): Remove redundant call.
7176
7177 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7178
7179         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7180         description of -Wold-style-casts.
7181
7182 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7183             Jakub Jelinek  <jakub@redhat.com>
7184
7185         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7186         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7187         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7188         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7189         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7190         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7191         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7192         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7193         ("stack_protect_set", "stack_protect_test"): New expanders.
7194         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7195         "stack_protect_testdi"): New insn definitions.
7196
7197 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7198
7199         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7200
7201 2005-08-12  Paul Brook  <paul@codesourcery.com>
7202
7203         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7204
7205 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7206
7207         * config/s390/predicates.md (setmem_operand): New predicate.
7208         (shift_count_operand): Accept ANDs with special constants as
7209         operand.
7210         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7211         with special constants.
7212         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7213         shift_count_operand with setmem_operand.
7214
7215 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7216
7217         * config/s390/s390.c (s390_extract_part, s390_single_part):
7218         Type cast added.
7219         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7220         (s390_output_mi_thunk): Don't use lg on 31 bit.
7221         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7222         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7223
7224 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7225
7226         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7227         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7228         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7229         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7230         with one of the new macros.
7231
7232 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7233
7234         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7235         Don't set save_return_addr_p.
7236         (s390_register_info): Make clobbered_regs not depending on
7237         save_return_addr_p.
7238
7239 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7240
7241         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7242         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7243
7244 2005-08-11  James E. Wilson  <wilson@specifix.com>
7245
7246         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7247
7248 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7249
7250         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7251         locations gathered by var-tracking in single entry loc_list
7252         over loc_descriptor_from_tree.
7253
7254         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7255         pass it down to loc_descriptor.
7256         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7257         (containing_function_has_frame_base): Move earlier in the file.
7258         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7259         instead of always assuming fbreg can't be used.
7260
7261 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7262
7263         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7264         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7265         Accept address wrapped in AND for Altivec.
7266         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7267         Strip AND wrapping offset address for Altivec.
7268
7269 2005-08-11  Richard Henderson  <rth@redhat.com>
7270
7271         PR middle-end/23312
7272         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7273         before using TYPE_IS_SIZETYPE.
7274
7275 2005-08-11  Richard Henderson  <rth@redhat.com>
7276
7277         PR target/22225
7278         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7279         insn types not present on ev4.
7280         (alphaev5_insn_pipe): Similarly.
7281
7282 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7283
7284         PR target/23250
7285         * arm.c (arm_override_options): If the user has selected callee-super-
7286         interworking, then enable normal interworking.
7287
7288 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7289
7290         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7291         redefinition.
7292
7293 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7294
7295         * doc/rtl.texi: Fix two typos.
7296
7297 2005-08-11  Richard Guenther  <rguenther@suse.de>
7298
7299         PR target/23289
7300         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7301         cases where we call to/from functions returning void.
7302
7303 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7304
7305         PR c++/23225
7306         * tree.c (build_pointer_type_for_mode): Robustify.
7307
7308 2005-08-10  James E Wilson  <wilson@specifix.com>
7309
7310         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7311         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7312
7313         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7314         "cum->".
7315
7316 2005-08-10  Eric Christopher  <echristo@apple.com>
7317
7318         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7319         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7320         V2DFmode.
7321
7322 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7323
7324         PR target/21887
7325         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7326         for the high part when generating dynamic-no-pic code.
7327
7328 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7329
7330         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7331         (x86_64-*-linux*): Likewise.
7332
7333         * config/i386/crtfastmath.c: New file.
7334         * config/i386/t-crtfm: Likewise.
7335
7336         * config/i386/linux.h (ENDFILE_SPEC): New.
7337         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7338
7339         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7340         crtfastmath.o.
7341
7342 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7343
7344         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7345         (vec_shl, vec_shr): Document new operations.
7346         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7347
7348 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7349
7350         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7351         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7352         change predicate to indexed_or_indirect_address.
7353
7354 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7355
7356         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7357         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7358         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7359         and __aeabi_uwrite8.
7360         * config/arm/unaligned-funcs.c: New file.
7361         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7362
7363 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7364
7365         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7366         Add dump.
7367         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7368         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7369         Add dump.
7370         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7371         * final.c (pass_shorten_branches): Add dump.
7372         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7373         (pass_life): Rename dump.
7374         (rest_of_handle_flow2): Remove initial verify_flow_info.
7375         * function.c (pass_instantiate_virtual_regs): Add dump.
7376         * integrate.c (pass_initial_value_sets): Add dump.
7377         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7378         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7379         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7380         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7381         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7382         gate_rtl_unrool_and_peel_loops): New.
7383         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7384         rtl_doloop): Do not look at flags.
7385         * mode-switching.c (pass_mode_switching): Add dump.
7386         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7387         pass_split_before_regstack): Add dump.
7388         * regmove.c (pass_stack_adjustments): Add dump.
7389         * tree-optimize.c (pass_fixup_cfg): Add dump.
7390
7391 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7392
7393         PR 23309
7394         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7395         deciding which instruction sequence to use.
7396
7397 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7398
7399         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7400         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7401
7402 2005-08-09  Richard Guenther  <rguenther@suse.de>
7403
7404         * c-common.c (builtin_function_2): Remove.
7405         (def_builtin_1): New function.
7406         (c_common_nodes_and_builtins): Use def_builtin_1 to
7407         build builtin functions.
7408
7409 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7410
7411         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7412         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7413         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7414         Visual DSP.
7415
7416 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7417
7418         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7419         fold_binary instead of fold_build2 since we don't care about the
7420         resulting tree.
7421         (loop_niter_by_eval): Likewise.
7422         (compare_trees): Likewise.
7423         (proved_non_wrapping_p): Likewise.
7424
7425 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7426
7427         PR c/23161
7428         PR c/23165
7429         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7430         if the if is really empty.
7431
7432 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7433
7434         PR tree-optimization/23234
7435         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7436         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7437         argument of the new enum.
7438         (execute_cse_reciprocals): Add reciprocals for function arguments
7439         on the unique successor edge of the entry block.  Update other calls
7440         to execute_cse_reciprocals_1.
7441
7442 2005-08-08  Richard Henderson  <rth@redhat.com>
7443
7444         PR 22439
7445         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7446
7447 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7448
7449         * expr.c (write_complex_part): Return after handling MEM.
7450
7451 2005-08-08  Josh Conner  <jconner@apple.com>
7452
7453         PR rtl-optimization/23241
7454         * combine.c (simplify_comparison): Fix error in determining
7455         whether to lift a subreg from comparison.
7456
7457 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7458
7459         PR target/18506
7460         * config/rs6000/altivec.md (vec_init<mode>): New.
7461         (vec_set<mode>): New.
7462         (vec_extract<mode>): New.
7463         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7464         (rs6000_expand_vector_set): New.
7465         (rs6000_expand_vector_extract): New.
7466         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7467         for Altivec modes before reload.
7468         (altivec_expand_vec_init_builtin): New.
7469         (get_element_number): New.
7470         (altivec_expand_vec_set_builtin): New.
7471         (altivec_expand_vec_ext_builtin): New.
7472         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7473         builtins.
7474         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7475         builtins.
7476         * config/rs6000/rs6000.h (rs6000_builtins): Add
7477         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7478         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7479         * config/rs6000/rs6000-protos.h: Declare new functions.
7480
7481 2005-08-08  Jan Hubicka  <jh@suse.cz>
7482
7483         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7484         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7485         * i386.md (movdi*): Use pic_32bit_operand.
7486         * predicates.md (pic_32bit_operand): New.
7487
7488 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7489
7490         PR c++/21166
7491         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7492
7493 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7494
7495         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7496         (test_for_singularity): Use fold_build2.
7497
7498 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7499
7500         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7501
7502 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7503
7504         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7505         (COMMON_ASM_OP) Define.
7506         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7507         (ix86_encode_section_info): Likewise.
7508         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7509         SUBTARGET_ENCODE_SECTION_INFO.
7510
7511 2005-08-06  Richard Henderson  <rth@redhat.com>
7512
7513         PR 21894
7514         * tree-nested.c (convert_local_reference): Save and restore val_only
7515         around component_ref and friends.  Clear walk_subtrees by default.
7516
7517 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7518
7519         PR 21366
7520         * gcc.c (process_command): Check the argument to -b has a dash.
7521         * doc/invoke.texi: Update -b and -V docs.
7522
7523 2005-08-06  James E Wilson  <wilson@specifix.com>
7524
7525         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7526
7527 2005-08-06  Michael Matz  <matz@suse.de>
7528
7529         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7530         member only if only one insn is associated with the value.
7531
7532 2005-08-06  Nick Clifton  <nickc@redhat.com>
7533
7534         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7535         New define.
7536         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7537         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7538         Check symbol flags instead of symbol name mangling.
7539         (xstormy16_asm_output_aligned_common): Likewise.  Also
7540         simplify code since the bss100_section cass is the only case
7541         where the below100 code will be triggered.
7542         (xstormy16_encode_section_info): Encode below100 attribute
7543         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7544         the name.
7545         (xstormy16_strip_name_encoding): Delete - this function is no
7546         longer needed.
7547         (TARGET_STRIP_NAME_ENCODING): Undefine.
7548         * config/stormy16/stormy16-protos.h: Delete prototype for
7549         xstormy16_strip_name_encoding.
7550
7551 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7552
7553         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7554         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7555         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7556         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7557         config/alpha/predicates.md, config/arc/arc.h,
7558         config/arm/arm.h, config/arm/ieee754-df.S,
7559         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7560         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7561         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7562         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7563         config/m68hc11/m68hc11.h, config/mips/mips.c,
7564         config/mips/mips.h, config/mips/openbsd.h,
7565         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7566         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7567         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7568         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7569         config/sparc/linux.h, config/sparc/linux64.h,
7570         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7571         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7572         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7573         typos.  Follow spelling conventions.
7574
7575 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7576
7577         PR c/23113
7578         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7579         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7580         specially.  Check for side effects only for COND_EXPR.
7581         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7582         return with TREE_NO_WARNING.
7583
7584 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7585
7586         PR rtl-optimization/23233
7587         * loop.c (combine_movables): Require the modes to be the same.
7588         (move_movables): Remove handling of cases where the replacement
7589         had a different mode to the original.
7590
7591 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7592
7593         PR tree-optimization/23128
7594         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7595         subtraction wrap, and set TREE_OVERFLOW if they do.
7596
7597 2005-08-05  Richard Henderson  <rth@redhat.com>
7598
7599         PR 21728
7600         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7601         FORCED_LABEL labels.
7602
7603 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7604
7605         PR middle-end/23135
7606         * reload.c (find_reloads_subreg_address): Pass down TYPE
7607         unchanged.  Change all callers except find_reloads_toplev.
7608
7609 2005-08-05  Michael Matz  <matz@suse.de>
7610
7611         * genattrtab.c (current_alternative_string): Remove.
7612         (SIMPLIFY_ALTERNATIVE): Ditto.
7613         (attr_alt_bit_p): Ditto.
7614         (alternative_name): Make const char *.
7615         (evaluate_eq_attr): Remove use of above things.
7616         (simplify_test_exp): Ditto.
7617         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7618         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7619
7620 2005-08-04  James E Wilson  <wilson@specifix.com>
7621
7622         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7623         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7624         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7625         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7626         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7627
7628 2005-08-04  Richard Henderson  <rth@redhat.com>
7629
7630         PR 21529
7631         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7632         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7633         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7634         if we'd have to instantiate too many members.
7635
7636 2005-08-04  Richard Henderson  <rth@redhat.com>
7637
7638         PR 21291
7639         * tree-outof-ssa.c (coalesce_asm_operands): New.
7640         (coalesce_ssa_name): Use it.  Split out ...
7641         (coalesce_phi_operands, coalesce_result_decls): ... these.
7642
7643 2005-08-04  Paul Brook  <paul@codesourcery.com>
7644
7645         * read-rtl.c (read_quoted_string): Break if EOF.
7646
7647 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7648
7649         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7650         (fold_build2): Likewise.
7651         (fold_build3): Likewise.
7652         (fold_build1_stat): New function prototype.
7653         (fold_build2_stat): Likewise.
7654         (fold_build3_stat): Likewise.
7655         * fold-const.c (fold_build1): Rename to ..
7656         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7657         through to build1_stat.
7658         (fold_build2): Rename to ..
7659         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7660         through to build2_stat.
7661         (fold_build3): Rename to ..
7662         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7663         through to build3_stat.
7664
7665 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7666             Ian Lance Taylor  <ian@airs.com>
7667
7668         * function.c (assign_stack_local_1): Do not correct stack slot
7669         address if allocation size is smaller than mode size.
7670
7671 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7672
7673         PR 22037
7674         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7675         (tree_merge_blocks): Propagate anything allowed by
7676         may_propagate_copy.
7677         Clarify documentation.
7678         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7679         SSA form, schedule an update if necessary.
7680
7681 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7682
7683         * doc/install.texi (Binaries): Remove broken link to
7684         Sinix/Reliant Unix binaries.
7685
7686 2005-08-03  Richard Henderson  <rth@redhat.com>
7687
7688         PR 23221
7689         * function.c (stack_protect_epilogue): Export.
7690         * tree.h (stack_protect_epilogue): Declare.
7691         * calls.c (expand_call): Call it.
7692
7693 2005-08-03  Eric Christopher  <echristo@apple.com>
7694
7695         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7696         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7697         spec.
7698
7699 2005-08-04  Jan Hubicka  <jh@suse.cz>
7700
7701         * profile.c (branch_prob): Split edges with goto locus on them
7702         to get proper line counts.
7703         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7704
7705 2005-08-03  Paul Brook  <paul@codesourcery.com>
7706
7707         * function.c (assign_parms): Round current_function_args_size
7708         to PARM_BOUNDARY, not STACK_BOUNDARY.
7709
7710 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7711
7712         * config/i386/i386.c (x86_elf_aligned_common)
7713         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7714
7715 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7716
7717         PR tree-optimization/23157
7718         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7719         before emitting them.
7720
7721 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7722
7723         PR tree-optimization/19899
7724         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7725         * tree-scalar-evolution.c: Include real.h.
7726         (add_to_evolution): Build constant -1 of correct type.
7727
7728 2005-08-03  Jan Hubicka  <jh@suse.cz>
7729
7730         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7731         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7732         profile updating for complette unrolling.
7733         * loop-unroll.c (peel_loop_completely): Use it.
7734         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7735         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7736         loops.
7737
7738 2005-08-03  Paul Brook  <paul@codesourcery.com>
7739
7740         * combine.c (can_change_dest_mode): New function.
7741         (try_combine, simplify_set): Use it.
7742
7743 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7744
7745         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7746         TFmode to BLKmode.
7747
7748 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7749
7750         * doc/install.texi (Specific): Adjust link to openavr.org.
7751         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7752         (Binaries): Adjust HP-UX Porting Center link.
7753         (Binaries): Adjust Free Software Foundation ordering link.
7754
7755 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7756
7757         * convert.c (convert_to_integer): Use fold_build1 instead of
7758         build1 when converting an integer to an integer.
7759
7760 2005-08-02  Richard Henderson  <rth@redhat.com>
7761
7762         * combine.c (combine_instructions): Don't use reg_equal/equiv
7763         results if the mode doesn't match.
7764
7765 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7766
7767         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7768         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7769
7770 2005-08-02  Richard Henderson  <rth@redhat.com>
7771
7772         PR 23196
7773         * explow.c (memory_address): Remove special-case for
7774         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7775
7776 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7777
7778         PR 23164
7779         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7780         number of calls to cleanup_tree_cfg_1.
7781
7782 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7783
7784         * doc/invoke.texi: document file extensions .F90 and .F95
7785
7786 2005-08-02  Richard Guenther  <rguenther@suse.de>
7787
7788         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7789         positive if its first argument is positive.
7790
7791 2005-08-02  Richard Guenther  <rguenther@suse.de>
7792
7793         PR tree-optimization/23177
7794         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7795         on TMR_TAG.
7796
7797 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7798
7799         PR tree-optimization/23129
7800         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7801         varying for divisions with anti-ranges.
7802
7803 2005-08-02  Jan Hubicka  <jh@suse.cz>
7804
7805         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7806         * tree-ssa-threadupdate.c (thread_block): Add it here.
7807
7808 2005-08-01  James E Wilson  <wilson@specifix.com>
7809
7810         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7811         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7812         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7813         New.
7814         * config/mips/predicates.md (const_call_insn_operand): Add check for
7815         SYMBOL_REF_LONG_CALL_P.
7816         * doc/extend.texi (long_call): Document the new attribute.
7817
7818 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7819             Richard Henderson  <rth@redhat.com>
7820
7821         * Makefile.in (RTL_BASE_H): Add real.h.
7822         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7823         instead of memcpy.
7824         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7825         directly.
7826         * rtl.c (rtl_check_failed_code_mode): New.
7827         * rtl.h (struct rtx_def): Add u.rv.
7828         (XCMWINT, XCNMPRV): New.
7829         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7830         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7831
7832 2005-08-01  Richard Henderson  <rth@redhat.com>
7833
7834         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7835         with auto-inc codes.
7836
7837         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7838
7839 2005-08-01  Jan Hubicka  <jh@suse.cz>
7840
7841         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7842         * i386.c: Include dwarf2.h
7843         (asm_preferred_eh_data_format): New.
7844         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7845
7846 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7847
7848         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7849         randomize_va_space for virtual address randomization control.
7850
7851 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7852
7853         * common.opt (flag_ipa_cp): Put in right place to maintain
7854         alphabetic sort.
7855
7856 2005-08-01  Jan Hubicka  <jh@suse.cz>
7857
7858         * profile.c (compute_value_histograms): Fix thinko.
7859         * value-prof.c: Include toplev.h
7860         (check_counter): New function.
7861         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7862         tree_mod_subtract_transform): Add sanity check.
7863
7864 2005-08-01  Richard Guenther  <rguenther@suse.de>
7865
7866         PR tree-optimization/23133
7867         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7868         current functions parameter decls to find defs to cse
7869         reciprocals of.
7870
7871 2005-08-01  Richard Guenther  <rguenther@suse.de>
7872
7873         PR tree-optimization/23109
7874         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7875         If trapping math is in effect, use post-dominator information
7876         to check if we'd in any case reach a trapping point before
7877         doing the reciprocal insertion.
7878         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7879         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7880         expressions are invariant only if trapping math is not in effect.
7881
7882 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7883
7884         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7885         cgraph_function_versioning): New declarations.
7886         * cgraphunit.c: Add include to ipa-prop.h.
7887         (update_call_expr, cgraph_copy_node_for_versioning,
7888         cgraph_function_versioning): New functions.
7889         * integrate.c (copy_decl_for_inlining): Remove.
7890         * ipa-prop.h (ipa_replace_map): New struct.
7891         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7892         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7893         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7894         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7895         ipcp_iterate_stage, ipcp_method_scale_print,
7896         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7897         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7898         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7899         ipcp_update_bb_counts, ipcp_update_profiling,
7900         ipcp_update_edges_counts): New functions.
7901         (ipcp_method_cval_init): Remove restriction regarding local methods.
7902         (ipcp_init_stage): Add ipcp_method_compute_scale.
7903         (ipcp_insert_stage): Add versioning.
7904         (ipcp_structures_print): Add ipcp_method_scale_print.
7905         (ipcp_driver): Dump profiling info.
7906         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7907         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7908         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7909         (struct inline_data): Add versioning_p, ipa_info, new fields.
7910         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7911         declare_return_variable): Replace calls to copy_decl_for_inlining with
7912         copy_decl_for_dup.
7913         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7914         versioning support.
7915         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7916         Add argument VERSIONING.
7917         (copy_arguments_for_versioning, copy_static_chain,
7918         function_versionable_p, tree_versionable_function_p,
7919         tree_function_versioning, replace_ref_tree): New functions.
7920         * tree-inline.h: Include varray.h.
7921         (tree_versionable_function_p,  tree_function_versioning,
7922         tree copy_decl_for_dup): New declarations.
7923
7924 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7925
7926         * ipa-cp.c: New file. Contains IPCP specific functionality.
7927         * ipa-prop.h: New file. Contains structures/definitions that can be
7928         used by several interprocedural data flow optimizations (and also IPCP).
7929         * ipa-prop.c: New file.
7930         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7931         * common.opt: Add ipa-cp flag.
7932         * timevar.def: Add IPCP optimization.
7933         * tree-optimize.c (init_tree_optimization_passes): Schedule
7934         pass_ipa_cp.
7935         * tree-pass.h (pass_ipa_cp): Declare.
7936
7937 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7938
7939         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7940         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7941         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7942         config/i386/i386.c, config/mips/mips.h,
7943         config/rs6000/rs6000.h, config/sh/sh.c,
7944         config/stormy16/stormy16.c: Fix comment typos.
7945
7946 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7947
7948         PR c/22311
7949         * c-typeck.c (build_binary_op): Use common_type wrapper on
7950         shortened types.
7951         (common_type): Update comment.
7952
7953 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7954
7955         PR target/23095
7956         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7957         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7958         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7959
7960 2005-07-31  Jan Hubicka  <jh@suse.cz>
7961
7962         * pretty-print.h (pp_widest_integer): New macro.
7963         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7964         counts.
7965
7966 2005-07-31  Jan Hubicka  <jh@suse.cz>
7967
7968         * output.h (enum section_category): Export from varasm.c
7969         (categorize_decl_for_section): Likewise.
7970         * varasm.c (enum section_category): Kill.
7971         (categorize_decl_for_section): Make global.
7972         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7973         Declare.
7974         * i386.c (ix86_section_threshold): New static variable.
7975         (ix86_in_large_data_p, ix86_encode_section_info,
7976         x86_64_elf_unique_section,
7977         x86_64_elf_select_section): New functions.
7978         (TARGET_ENCODE_SECTION_INFO): Define
7979         (override_options): Enable medium model for PIC.
7980         (ix86_expand_prologue): Expand gen_set_got_rex64.
7981         (legitimate_constant_p): Handle new UNSPECs.
7982         (legitimate_pic_address_disp_p): Likewise.
7983         (legitimize_pic_address): Lower MEDIUM model addressing.
7984         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7985         (enum cmodel): Add MEDIUM_PIC.
7986         (SYMBOL_REF_FAR_ADDR_P): New macro.
7987         (SYMBOL_FLAG_FAR_ADDR): New flag.
7988         * i386.md (movdi): Support medium model.
7989         (set_got_rex64): New pattern.
7990         * i386.opt (mlarge-data-threshold): New flag.
7991         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7992         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7993         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7994         TARGET_ASM_UNIQUE_SECTION): New.
7995
7996         * invoke.texi (-mlarge_data_threshold): Document
7997
7998 2005-07-31  Jan Hubicka  <jh@suse.cz>
7999
8000         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
8001         (coalesce_vars): Likewise.
8002         * tree-ssa-live.c (coalesce_cost): New.
8003         (build_tree_conflict_graph): Use coalesce_cost.
8004         * tree-ssa-live.h (coalesce_cost): Declare.
8005
8006 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
8007
8008         * arm.md (all peepholes for post-increment operations): Delete.
8009         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
8010         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
8011         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
8012         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
8013         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
8014
8015 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
8016
8017         * fold-const.c (tree_expr_nonnegative_p): Always return true for
8018         non-integral types.
8019
8020 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
8021
8022         PR target/22582
8023         * doc/invoke.texi: Document -rdynamic.
8024
8025 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8026
8027         PR c/23143
8028         * c-parser.c (c_parser_parms_list_declarator): Call
8029         mark_forward_parm_decls.
8030         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8031         decls with visibility structure.
8032
8033 2005-07-30  Paul Brook  <paul@codesourcery.com>
8034
8035         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8036
8037 2005-07-30  Paul Brook  <paul@codesourcery.com>
8038
8039         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8040         prototype.
8041         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8042         value for mode.
8043         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8044
8045 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8046
8047         PR c/529
8048         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8049         nested function declarators.
8050         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8051         (grokparms): Call warn_if_shadowing for parameters used within the
8052         parameter list.
8053         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8054         not used within the parameter list.
8055         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8056
8057 2005-07-30  Jan Hubicka  <jh@suse.cz>
8058
8059         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8060         * i386.c (ix86_fixup_binary_operands): Likewise.
8061         (ix86_expand_unary_operator): Likewise.
8062         (ix86_expand_fp_absneg_operator): Likewise.
8063         * optabs.c (expand_vec_cond_expr): Validate dest.
8064
8065 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8066
8067         PR c/21720
8068         * real.c (real_from_string): Also set last bit if there is a
8069         nonzero hex digit beyond GCC's internal precision after ".".
8070
8071 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8072
8073         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8074         define_constants.  Change duplicate values to unassigned numbers.
8075         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8076         (*altivec_vspltsf): New.
8077         (altivec_vperm_v4sf): Delete.
8078         (altivec_vperm_<mode>): Use mode macro V.
8079         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8080         (altivec_predicate_v4sf): Delete.
8081         (altivec_predicate_<mode>): Use mode macro V.
8082         (*altivec_lvesfx): New.
8083         (*altivec_stvesfx): New.
8084         (vec_realign_load_v4sf): Delete.
8085         (vec_realign_load_<mode>): Use mode macro V.
8086         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8087         UNSPECV_SET_VRSAVE.
8088
8089 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8090
8091         PR bootstrap/23131
8092         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8093         string.
8094         * configure: Regenerated.
8095
8096 2005-07-29  Paul Brook  <paul@codesourcery.com>
8097
8098         * doc/install.texi: Add link to GFortran binaries wiki page.
8099
8100 2005-07-29  David Ung  <davidu@mips.com>
8101
8102         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8103         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8104         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8105         * config/mips/mips.md (cpu): Add 5kf name.
8106         (includes): Includes 5k.md.
8107         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8108         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8109         -march flag.
8110
8111 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8112
8113         PR 22550
8114         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8115         (cleanup_tree_cfg): ... here.
8116         Call cleanup_tree_cfg_1 until there are no more cleanups to
8117         do.
8118
8119 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8120
8121         * tree-vrp.c (compare_range_with_value): Return true or false
8122         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8123         EQ_EXPR respectively.
8124
8125 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8126
8127         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8128         Fix comment typos.
8129
8130 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8131
8132         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8133         (tree_ssa_dominator_optimize): Increment it.
8134         (dump_dominator_optimization_stats): Print it.
8135
8136 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8137             Steven Bosscher  <stevenb@suse.de>
8138
8139         PR rtl-optimization/23117
8140         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8141         when head == tail.  Tidy comment.
8142
8143 2005-07-28  Richard Henderson  <rth@redhat.com>
8144
8145         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8146         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8147         * jump.c (rtx_renumbered_equal_p): Likewise.
8148         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8149         CONST_INT and CONST_DOUBLE.
8150         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8151         * reload.c (operands_match_p): Special case CONST_INT and
8152         CONST_DOUBLE; check mode earlier.
8153
8154 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8155
8156         PR c/22240
8157         * c-typeck.c (convert_for_assignment): Do not check
8158         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8159
8160 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8161
8162         PR c/22192
8163         * c-typeck.c (composite_type): Prefer constant size arrays to
8164         VLAs.
8165
8166 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8167
8168         PR c/21720
8169         * real.c (real_from_string): Set last bit if there is a nonzero
8170         hex digit beyond GCC's internal precision.
8171
8172 2005-07-28  Richard Henderson  <rth@redhat.com>
8173
8174         PR rtl-opt/22619
8175         * cfgcleanup.c (try_forward_edges): Watch out for end of
8176         insn chain.
8177
8178 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8179
8180         PR c/23106
8181         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8182
8183 2005-07-28  Jan Hubicka  <jh@suse.cz>
8184
8185         * Makefile.in (rtl-profile.o): Kill all traces of it.
8186         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8187         * coverage.h (rtl_coverage_counter_ref): Kill.
8188         * opts.c (flag_speculative_prefetching_set): Kill.
8189         (flag_loop_optimize_set): New.
8190         (common_handle_option): Disable loop optimizer when profiling;
8191         do not handle speculative prefetching.
8192         * passes.c (init_optimization_passes): Replace pass_profiling combo
8193         by branch_prob pass.
8194         * profile.c (compute_value_histograms): Update for simplified value
8195         profiles.
8196         (rtl_register_profile_hooks): Kill.
8197         (pass_profiling): Kill.
8198         (rest_of_handle_branch_prob): Do not profile.
8199         * toplev.c (process_options): Remove speculative prefetching.
8200         * toplev.h (flag_tree_based_profiling): Kill.
8201         * tree-profile.c (prepare_instrumented_value,
8202         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8203         tree_gen_one_value_profiler, do_tree_profiling): Update for
8204         simplified datastructures.
8205         * value-prof.c: Add comment that speculative prefetching was dropped;
8206         update rest of file for simplified datastructures.
8207         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8208         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8209         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8210         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8211         rtl_mod_subtract, gen_speculative_prefetch,
8212         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8213         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8214         (gate_handle_value_profile_transformations,
8215         rest_of_handle_value_profile_transformations,
8216         pass_value_profile_transformations): Kill.
8217         * value-prof.h (histogram_value_t): Remove IL based unions.
8218         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8219         rtl_profile_hooks): Remove hooks.
8220
8221         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8222
8223         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8224         (cgraph_clone_node): Likewise.
8225         * cgraph.h (cgraph_clone_edge): Update prototype.
8226         (cgraph_clone_node): Likewise.
8227         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8228         cgraph_clone_node.
8229         (lookup_recursive_calls): Consider profile.
8230         (cgraph_decide_recursive_inlining): Fix updating; use new
8231         probability argument; use profile.
8232         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8233         * tree-inline.c (copy_bb): Update clal of clone_edge.
8234         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8235
8236         * invoke.texi (min-inline-recursive-probability): Document.
8237
8238 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8239
8240         * doc/install.texi (Configuration): Update Valgrind homepage.
8241
8242 2005-07-28  Richard Henderson  <rth@redhat.com>
8243
8244         PR middle-end/21362
8245         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8246         labels we want to delete.
8247         (cfg_layout_merge_blocks): Likewise.
8248
8249 2005-07-28  Richard Henderson  <rth@redhat.com>
8250
8251         PR target/17692
8252         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8253         when expanding to nothing.
8254
8255 2005-07-28  Josh Conner  <jconner@apple.com>
8256
8257         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8258         (cgraph_decide_inlining_of_small_functions): Likewise.
8259
8260 2005-07-28  Josh Conner  <jconner@apple.com>
8261
8262         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8263         direction of badness if negative.
8264         (cgraph_default_inline_p): Add reason to parameters, and assign it
8265         a value.
8266         (cgraph_decide_inlining_of_small_functions): New parameter in call
8267         to cgraph_default_inline_p.
8268         (cgraph_decide_inlining_incrementally): Likewise.
8269         * cgraphunit.c (decide_is_function_needed): Likewise.
8270         * cgraph.h (cgraph_default_inline_p): Likewise.
8271
8272 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8273
8274         * builtins.c: Fix comment typo(s).
8275         * genautomata.c: Likewise.
8276         * gimplify.c: Likewise.
8277         * tree-dfa.c: Likewise.
8278         * tree-flow-inline.h: Likewise.
8279         * tree-into-ssa.c: Likewise.
8280         * tree-ssa-alias.c: Likewise.
8281         * tree-ssa-ccp.c: Likewise.
8282         * tree-ssa-copy.c: Likewise.
8283         * tree-ssa-dce.c: Likewise.
8284         * tree-ssa-dom.c: Likewise.
8285         * tree-ssa-operands.c: Likewise.
8286         * tree-tailcall.c: Likewise.
8287         * tree-vectorizer.c: Likewise.
8288         * tree-vrp.c: Likewise.
8289         * tree.c: Likewise.
8290
8291 2005-07-28  Jeff Law  <law@redhat.com>
8292
8293         * tree-vrp.c (test_for_singularity): Extracted from  ...
8294         (simplify_cond_using_ranges): Attempt to simplify a relational
8295         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8296
8297 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8298
8299         PR tree-optimization/22506
8300         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8301         phis whose argument is constant.
8302
8303 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8304
8305         PR rtl-optimization/18992
8306         Back out this patch:
8307           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8308           PR optimization/12142
8309           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8310           uses of the register in the SET_SRC.  Remove unnecessary argument.
8311
8312         Replace it with this:
8313         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8314         if flag_non_call_exceptions is set and the insn may trap, pass
8315         pc_rtx as dest for recursion.
8316         In SET_SRC part of SET case, if dest is already set, pass it down
8317         unchanged.
8318
8319 2005-07-28  Jan Hubicka  <jh@suse.cz>
8320
8321         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8322         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8323         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8324         roundoff errors.
8325         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8326         profile when available.
8327
8328 2005-07-28  Jan Beulich <jbeulich@novell.com>
8329
8330         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8331         (ia64_print_operand): Describe and handle 'X'.
8332         (ia64_register_move_cost): Also handle FP_REGS.
8333         (ia64_preferred_reload_class): Likewise.
8334         (ia64_secondary_reload_class): Likewise.
8335         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8336         it. Also check for ITANIUM_CLASS_FLDP.
8337         * config/ia64/ia64.h (FP_REGNO_P): New.
8338         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8339         (reg_class): Add FP_REGS.
8340         (REG_CLASS_NAMES): Adjust for it.
8341         (REG_CLASS_CONTENTS): Likewise.
8342         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8343         (REG_CLASS_FROM_LETTER): Handle 'x'.
8344         (CLASS_MAX_NREGS): Handle FP_REGS.
8345         (MEMORY_MOVE_COST): Likewise.
8346         * config/ia64/ia64.md (itanium_class): Add fldp.
8347         (type): Handle fldp.
8348         (movti_internal): More allowable operand combinations. Use ldfp8 when
8349         splitting unnecessary. Remove predicable attribute. Adjust
8350         itanium_class attribute.
8351         (smuldi3_highpart): Remove outdated comment.
8352         (mulditi3, umulditi3, rotlti3): New expanders.
8353         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8354         (absti2): Disabled new insn for future reference.
8355         Respective new splitters.
8356         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8357         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8358         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8359
8360 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8361
8362         PR rtl-optimization/23047
8363         * simplify-rtx.c (simplify_const_relational_operation): Respect
8364         flag_wrapv for comparisons with ABS.
8365
8366 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8367
8368         PR tree-optimization/22493
8369         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8370         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8371
8372 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8373
8374         * config/frv/frv.opt (moptimize-membar): New.
8375
8376         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8377
8378         * config/frv/frv.h: Remove machine_function definition.
8379
8380         * config/frv/frv.c (struct frv_io): New.
8381         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8382         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8383         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8384         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8385         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8386         (frv_reorg): Call frv_optimize_membar when appropriate.
8387         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8388         (frv_expand_builtin): Adjust calls accordingly.
8389         (frv_io_address_cookie): New function.
8390         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8391         load or store rather than a special insn.  Add ccnstant address and
8392         io-type operands to the membar.
8393         (frv_ifcvt_modify_tests): Unsign regno.
8394         (frv_ifcvt_modify_tests): Same.
8395
8396         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8397         UNSPEC_OPTIONAL_MEMBAR constant.
8398         (builtin_read_<mode>): Delete.
8399         (builtin_write_<mode>): Delete.
8400         ("optional_membar_<mode>"): Add operand.
8401
8402         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8403         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8404         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8405         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8406         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8407         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8408         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8409         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8410         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8411
8412 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8413
8414         * df.c (df_uses_record): Handle SCRATCH.
8415
8416 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8417
8418         PR debug/20161
8419         * passes.c (rest_of_decl_compilation): If decl is a type and
8420         we have encountered errors, don't emit debug information.
8421
8422 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8423
8424         * params.def: Fixed comment.
8425
8426 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8427
8428         PR target/19885
8429         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8430         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8431         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8432
8433 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8434
8435         PR c++/22003
8436         * varasm.c (assemble_start_function): Don't do anything that may
8437         require a CFG if the current function is a thunk.
8438
8439 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8440
8441         * doc/install.texi (Prerequisites): Mention that perl is needed
8442         to do export control in libstdc++ targetting Darwin.
8443
8444 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8445
8446         PR rtl-optimization/17808
8447         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8448         (sched_insns_conditions_mutex_p): Split out from...
8449         (add_dependence): ...here.  But don't call it from here.
8450         (add_dependence_list): Check sched_insns_conditions_mutex_p
8451         before calling add_dependence.
8452         (add_dependence_list_and_free): Likewise.
8453         (fixup_sched_groups): Likewise.
8454         (sched_analyze_1): Likewise.
8455         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8456         (sched_analyze): Likewise.
8457         (sched_analyze_insn): Likewise.
8458         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8459         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8460         dependencies on all COND_EXEC insns to jumps ending basic blocks
8461         when doing intrablock scheduling.
8462         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8463
8464 2005-07-27  Jeff Law  <law@redhat.com>
8465
8466         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8467         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8468         equivalency sets, correctly handle the case were vr0 has an
8469         equivalency set, but vr1 does not.
8470
8471 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8472
8473         PR tree-optimization/23073
8474         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8475         vect_print_dump_info before fprintf.
8476
8477 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8478
8479         PR tree-optimize/22348
8480         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8481         Fold the partial computation.
8482
8483 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8484
8485         PR tree-optimization/22325
8486         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8487         Declare.
8488         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8489         value replacement.
8490         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8491         (force_var_cost): ... this function.
8492         (compute_phi_arg_on_exit): Export.
8493
8494 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8495
8496         PR tree-optimization/20773
8497         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8498         edge.
8499
8500 2005-07-27  Richard Guenther  <rguenther@suse.de>
8501
8502         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8503         Avoid pushing again if current struct contains only
8504         fields we decomposed.
8505
8506 2005-07-27  Jan Hubicka  <jh@suse.cz>
8507
8508         PR tree-optimization/22574
8509         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8510         not available.
8511
8512         * tree-tailcall.c (decrease_profile): New function.
8513         (eliminate_tail_call): Use it.
8514
8515         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8516         visibility flags correctly in whole program mode.
8517
8518 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8519
8520         PR rtl-optimization/22472
8521         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8522
8523 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8524
8525         PR tree-optimization/22504
8526         * tree-complex.c (expand_complex_addition): Use 'code' instead
8527         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8528
8529 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8530
8531         * config.gcc (cpu_type): Add frv case.
8532         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8533         (supported_defaults): Add fr550 case.
8534
8535 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8536
8537         PR 22591
8538         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8539         whether a pointer of type T * may point to objects of type T *.
8540
8541 2005-07-26  DJ Delorie  <dj@redhat.com>
8542
8543         * configure: Regenerate.
8544
8545 2005-07-26  Dale Johannesen  <dalej@apple.com>
8546
8547         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8548
8549 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8550
8551         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8552         Clarify use of "build" in name.
8553
8554 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8555
8556         * doc/extend.texi (Raw read/write Functions): New section.
8557         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8558         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8559         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8560         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8561         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8562         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8563         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8564         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8565         * config/frv/frv.c: Add bdesc_loads global.
8566         Add bdesc_stores global.
8567         (frv_init_builtins): Add support for __builtin_{read/write}*.
8568         (frv_volatile_memref): New.
8569         (frv_expand_load_builtin): New.
8570         (frv_expand_store_builtin): New.
8571         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8572         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8573         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8574         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8575         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8576         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8577         (builtin_read_<mode>): New.
8578         (builtin_write_<mode>): New.
8579         (builtin_write64): New.
8580         (optional_membar_<mode>): New.
8581
8582 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8583
8584         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8585         (rather than units) against HOST_BITS_PER_WIDE_INT.
8586
8587 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8588
8589         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8590         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8591         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8592         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8593         FSF address.
8594
8595         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8596         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8597         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8598         comment typos.
8599         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8600
8601 2005-07-26  Richard Guenther  <rguenther@suse.de>
8602
8603         PR tree-optimization/22486
8604         * fold-const.c (fold_unary): Fold away useless component
8605         references of the form (T *)&T.x, if the address
8606         doesn't change.
8607
8608 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8609
8610         * dwarf2out.c (add_call_src_coords_attributes): New.
8611         (gen_inlined_subroutine_die): Call it.
8612         (maybe_emit_file, init_file_table): Add comments.
8613         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8614         maybe_emit_file.
8615         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8616         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8617         * tree.h (BLOCK_SOURCE_LOCATION): New.
8618         (struct tree_block): New field locus.
8619
8620 2005-07-26  Andreas Schwab  <schwab@suse.de>
8621
8622         PR rtl-optimization/23043
8623         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8624         when allocating a struct unoccr.
8625
8626 2005-07-25  Richard Henderson  <rth@redhat.com>
8627
8628         PR 22626
8629         * tree-complex.c (gate_no_optimization): True if errors.
8630         * Makefile.in (tree-complex.o): Update dependencies.
8631
8632 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8633
8634         * config/frv/predicates.md (integer_register_operand): Use
8635         GPR_AP_OR_PSEUDO_P.
8636
8637 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8638
8639         PR tree-opt/22484
8640         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8641         after fold.
8642         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8643
8644 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8645
8646         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8647         types when flag_unsafe_math_optimizations is true.
8648
8649 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8650
8651         * gcc.c (option_map): Add --sysroot.
8652         (process_command): Handle --sysroot.
8653         (display_help): Document it.
8654         * doc/cppopts.tex (-isysroot): Document.
8655         * doc/invoke.texi (--sysroot): Document.
8656         * doc/install.texi (--with-build-sysroot): Document.
8657
8658         * Makefile.in (inhibit_libc): New variable.
8659         (INHIBIT_LIBC_CFLAGS): Likewise.
8660         (LIBGCC2_CFLAGS): Include
8661         $(INHIBIT_LIBC_CFLAGS).
8662         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8663         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8664         ($(T)crtend.o): Likewise.
8665         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8666         ($(T)crtendS.o): Likewise.
8667         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8668         ($(T)crtendT.o): Likewise.
8669         (stmp-fixinc): Do not complain about missing headers if
8670         inhibit_libc.
8671         * configure.ac (inhibit_libc): Set it to true/false.
8672         (--with-build-sysroot): New option.  Use it to set
8673         SYSTEM_HEADER_DIR.
8674         * configure: Regenerated.
8675
8676 2005-07-25  Manfred Hollstein  <mh@suse.com>
8677
8678         * calls.c (store_one_arg): Fix unsigned comparison warning.
8679
8680 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8681
8682         PR other/22337
8683         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8684         (ggc_print_statistics): Initialize variable before use.
8685
8686 2005-07-25  Richard Guenther  <rguenther@suse.de>
8687
8688         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8689         calling with a PHI_NODE argument.
8690
8691         * tree-flow-inline.h (overlap_subvar): Protect against
8692         possible overflow.
8693
8694 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8695
8696         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8697         * configure: Regenerate.
8698
8699 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8700
8701         * expr.c (highest_pow2_factor): Make extern.
8702         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8703         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8704         record_array_differ_p, array_ptr_differ_p): Likewise.
8705         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8706         additional cases. Call the above functions.
8707         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8708         base_object_differ_p when there are two base objects. Otherwise, compare
8709         base address and offset. Call may_alias_p.
8710         (dump_data_reference): Use a correct field name.
8711         (analyze_array): Make static. Initialize new data-ref fields.
8712         (analyze_indirect_ref): New function.
8713         (init_data_ref): Initialize new data-ref fields.
8714         (strip_conversion): Moved from tree-vect-analyze.c.
8715         (analyze_offset_expr, get_ptr_offset, address_analysis,
8716         object_analysis): Likewise.
8717         (analyze_offset): New function.
8718         (create_data_ref): Likewise.
8719         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8720         dimensions for ARRAY_REFs only.
8721         (build_classic_dist_vector): Make static.
8722         (access_functions_are_affine_or_constant_p): Call macro to get the
8723         address of access functions.
8724         (compute_all_dependences): Add new parameter
8725         compute_self_and_read_read_dependences. Compute self and read-read
8726         dependences if it is true.
8727         (find_data_references_in_loop): Call create_data_ref. Initialize new
8728         data-ref fields.
8729         (compute_data_dependences_for_loop): Add new parameter
8730         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8731         compute nb_loops. Call compute_all_dependences,
8732         build_classic_dist_vector and build_classic_dir_vector with correct
8733         parameters.
8734         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8735         with correct parameters. Compare dimensions for ARRAY_REFs only.
8736         (free_data_refs): Call macro to free access functions.
8737         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8738         fields from stmt_vinfo.
8739         (struct base_object_info): New structure.
8740         (struct data_reference): Move fields to base_object_info. Add fields
8741         first_location and object_info for above structures. Move fields from
8742         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8743         aligned_to.  Add macros to access the new fields.
8744         Update functions declarations.
8745         * tree-flow.h (is_aliased_with): Declare.
8746         * tree-loop-linear.c (linear_transform_loops): Call
8747         compute_data_dependences_for_loop with correct parameters.
8748         * tree-ssa-alias.c (is_aliased_with): New function.
8749         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8750         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8751         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8752         vect_base_addr_differ_p, compute_subscript_distance and
8753         build_classic_dist_vector. Add printings. Check absolute value of
8754         distance.
8755         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8756         data-refs.
8757         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8758         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8759         to bytes. Add printing.
8760         (vect_compute_data_refs_alignment): Go through loads and stores in one
8761         loop.
8762         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8763         vect_analyze_data_ref_access): Likewise.
8764         (vect_analyze_pointer_ref_access): Remove.
8765         (vect_address_analysis, vect_object_analysis): Likewise.
8766         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8767         and analyze data-refs in the loop.
8768         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8769         fields of data-ref instead of stmt. Add init to the offset from the
8770         base.
8771         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8772         (vect_update_init_of_dr): Likewise.
8773         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8774         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8775         removed fields.
8776         (new_loop_vec_info): Initialize new fields.
8777         (destroy_loop_vec_info): Free new fields.
8778         (vect_strip_conversion): Remove.
8779         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8780         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8781         datarefs. Add new field ddrs.
8782         Add macros for the new fields access.
8783         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8784         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8785         Remove their macros.
8786         * tree.h (highest_pow2_factor): Declare.
8787
8788 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8789
8790         * calls.c (store_one_arg): Check for sibling call MEM arguments
8791         from already clobbered incoming argument area.
8792
8793 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8794
8795         * c-common.c (check_missing_format_attribute): New.
8796         * c-common.h (check_missing_format_attribute): Likewise.
8797         * c-typeck.c (convert_for_assignment): Use it.
8798
8799 2005-07-24  Andreas Schwab  <schwab@suse.de>
8800
8801         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8802         register use a word move.  Correct operand of ext.w in 68000 code.
8803
8804 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8805
8806         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8807         variables as declarations, rather than definitions.
8808
8809 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8810
8811         PR tree-optimization/22526
8812         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8813         of the zero node.
8814
8815 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8816
8817         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8818         that C99 reserve for future use. Use it to define clog10,
8819         clog10f and clog10l.
8820
8821 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8822
8823         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8824         * configure.ac: Check for -Wmissing-format-attribute.
8825
8826         * configure: Regenerate.
8827
8828 2005-07-23  Richard Henderson  <rth@redhat.com>
8829
8830         PR tree-optimization/22623
8831         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8832
8833 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8834
8835         PR target/22577
8836         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8837
8838 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8839
8840         * Makefile.in (C_TREE_H): Update dependencies.
8841         * c-tree.h: Include toplev.h.
8842         * diagnostic.h (diagnostic_set_info): Add format attribute.
8843         * rtl-error.c (diagnostic_for_asm): Likewise.
8844
8845 2005-07-23  Chao-ying Fu  <fu@mips.com>
8846
8847         * config/mips/mips-dsp.md: New file.
8848         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8849         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8850         functions.
8851         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8852         MIPS_BUILTIN_BPOSGE32.
8853         (mips_expand_builtin_direct): Add one parameter to indicate that
8854         builtin functions need to return a value.
8855         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8856         functions.
8857         (mips_regno_to_class): Add classes for 12 new DSP registers.
8858         (mips_subword): Change to check four HI registers.
8859         (mips_output_move): Output move to and from 6 new DSP accumulators.
8860         (override_options): Make sure -mdsp and -mips16 are not used together.
8861         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8862         for machine modes.
8863         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8864         when !TARGET_DSP.
8865         (print_operand): Add 'q' for printing DSP accumulators.
8866         (mips_cannot_change_mode_class): Check ACC_REGS.
8867         (mips_secondary_reload_class): Check ACC_REGS.
8868         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8869         (mips_register_move_cost): Check ACC_REGS.
8870         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8871         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8872         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8873         (dsp_bdesc): New array.
8874         (bdesc_arrays): Add DSP builtin function table.
8875         (mips_prepare_builtin_arg): Check predicate again after
8876         copy_to_mode_reg.
8877         (mips_expand_builtin): Add one more parameter to
8878         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8879         MIPS_BUILTIN_BPOSGE32.
8880         (mips_init_builtins): Initialize new function types.
8881         (mips_expand_builtin_direct): Check if builtin functions need to
8882         return a value and pass operands properly.
8883         (mips_expand_builtin_bposge): New function.
8884         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8885         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8886         (FIRST_PSEUDO_REGISTER): Increase to 188.
8887         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8888         Update for 12 new DSP registers.
8889         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8890         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8891         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8892         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8893         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8894         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8895         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8896         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8897         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8898         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8899         (REGISTER_NAMES): Add names for 12 new DSP registers.
8900         * config/mips/mips.md: Include mips-dsp.md.
8901         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8902         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8903         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8904         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8905         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8906         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8907         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8908         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8909         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8910         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8911         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8912         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8913         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8914         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8915         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8916         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8917         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8918         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8919         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8920         (UNSPEC_RDDSP): New constants.
8921         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8922         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8923         A<-d alternative.
8924         * config/mips/mips.opt (-mdsp): New option.
8925         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8926         (reg_imm10_operand): New predicates.
8927         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8928         * doc/invoke.texi (-mdsp): Document new option.
8929
8930 2005-07-22  DJ Delorie  <dj@redhat.com>
8931
8932         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8933         to warning calls.
8934         * tree-inline.c (inlinable_function_p): Likewise.
8935
8936 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8937
8938         PR debug/21828
8939         * toplev.c (check_global_declarations): Do not mark undefined
8940         variables as DECL_IGNORED_P.
8941         * varasm.c (first_global_object_name): GTY it.
8942         (weak_global_object_name): Likewise.
8943         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8944         a string to go into {weak,first}_global_object_name.
8945
8946 2005-07-22  DJ Delorie  <dj@redhat.com>
8947
8948         * c-format.c (check_function_format): Change warning control
8949         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8950
8951 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8952
8953         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8954         &PTR->FLD a dereference of PTR.
8955         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8956         a potential dereference of PTR.
8957
8958 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8959
8960         PR rtl-optimization/20370
8961         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8962         call allocate_reg_info if necessary.
8963
8964         PR rtl-optimization/21848
8965         * calls.c (emit_library_call_value_1): For const functions, add
8966         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8967
8968         PR rtl-optimization/22445
8969         * cselib.c (target.h): Include.
8970         (rtx_equal_for_cselib_p): Allow commutative matches.
8971         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8972         Remove MODE parameter.  Changed all callers.
8973
8974         PR rtl-optimization/22258
8975         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8976         New functions.
8977         (try_combine): Use likely_spilled_retval_p.
8978
8979 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8980
8981         * config.gcc: Add crx-elf support.
8982
8983         * doc/contrib.texi: Mention crx.
8984         * doc/extend.texi: Document crx extensions.
8985         * doc/install.texi: Document crx install.
8986         * doc/invoke.texi: Document crx options.
8987         * doc/md.texi: Document crx constraints.
8988
8989         * config/crx/crx-protos.h: New file.
8990         * config/crx/crx.c: New file.
8991         * config/crx/crx.h: New file.
8992         * config/crx/crx.md: New file.
8993         * config/crx/crx.opt: New file.
8994         * config/crx/t-crx: New file.
8995
8996 2005-07-22  Manfred Hollstein  <mh@suse.com>
8997
8998         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8999         warnings.
9000         (int_add_graph_edge): Likewise.
9001         (collapse_nodes): Likewise.
9002         (process_unification_queue): Likewise.
9003
9004 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9005             Laurent GUERBY  <laurent@guerby.net>
9006
9007         PR tree-optimization/22336
9008         * function.c (record_block_change): Check for
9009         cfun->ib_boundaries_block.
9010
9011 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
9012
9013         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
9014         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
9015
9016 2005-07-21  DJ Delorie  <dj@redhat.com>
9017
9018         * toplev.c (warn_deprecated_use): Add warning control to warning
9019         call.
9020         * c-typeck.c (parser_build_binary_op): Likewise.
9021         (c_finish_if_stmt): Likewise.
9022         * c-common.c (check_function_sentinel): Likewise.
9023         (check_nonnull_arg): Likewise.
9024
9025 2005-07-21  Richard Henderson  <rth@redhat.com>
9026
9027         PR tree-opt/22504
9028         * tree-complex.c (complex_ssa_name_components): New.
9029         (cvc_lookup): Allow entry not found.
9030         (create_components): Remove.
9031         (create_one_component_var, get_component_var): New.
9032         (get_component_ssa_name, set_component_ssa_name): New.
9033         (extract_component): Use get_component_ssa_name.
9034         (update_complex_components): Use set_component_ssa_name.
9035         (update_complex_components_on_edge): Likewise.
9036         (update_phi_components): Create new PHI nodes directly, instead
9037         of adding insns to edges.
9038         (tree_lower_complex): Allocate and free complex_variable_components
9039         and complex_ssa_name_components here.
9040
9041 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9042
9043         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9044         revert to returning false.
9045
9046 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9047
9048         PR target/21149
9049         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9050
9051 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9052
9053         PR target/22576
9054         * config/i386/i386.md (cmpxf): Change operand constraints
9055         to "nonmemory_operand".
9056
9057 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9058
9059         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9060
9061 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9062
9063         PR middle-end/21180
9064         * fold-const.c (fold_build1): Add checksum for the operands.
9065         (fold_build2): Likewise.
9066         (fold_build3): Likewise.
9067
9068 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9069
9070         PR middle-end/19055
9071         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9072
9073 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9074
9075         * common.opt (-fforward-propagate): Committed by mistake,
9076         removed.
9077
9078 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9079
9080         * reg-stack.c: Fix comment typo(s).
9081         * tree-ssa-operands.c: Likewise.
9082         * tree-vectorizer: Likewise.
9083
9084 2005-07-21  Nick Clifton  <nickc@redhat.com>
9085
9086         * config/sh/symbian.c: Replace C++ style line comments with C
9087         style line comments.
9088         (symbian_add_attribute): Do not use a ? operator on the LHS of
9089         an assignment.
9090         (sh_symbian_handle_dll_attribute): Change the type of the
9091         method vector to "VEC(tree,gc)*" and use vector accessor
9092         macros to walk over the elements.
9093         (symbian_export_vtable_and_rtti_p): Likewise.
9094         (symbian_class_needs_attribute_p): Likewise.
9095
9096 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9097
9098         PR target/22085
9099         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9100         initialize targetm.resolve_overloaded_builtin here.
9101         (altivec_expand_overloaded_builtin): Make it non-static.
9102         * config/rs6000/rs6000-protos.h
9103         (altivec_expand_overloaded_builtin): New prototype.
9104         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9105         targetm.resolve_overloaded_builtin here.
9106         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9107
9108 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9109             Zdenek Dvorak  <dvorakz@suse.cz>
9110
9111         PR tree-optimization/19210
9112         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9113         New.
9114         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9115         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9116         rely on unproven assumptions.
9117         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9118         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9119         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9120         to number_of_iterations_exit.
9121         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9122         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9123         * tree-ssa-loop-niter.c (find_loop_niter,
9124         estimate_numbers_of_iterations_loop): Likewise.
9125         (number_of_iterations_exit): Honor the new options.
9126         * doc/invoke.texi (Wunsafe-loop-optimizations,
9127         funsafe-loop-optimizations): Document them.
9128
9129 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9130
9131         PR rtl-optimization/22167
9132         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9133
9134 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9135
9136         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9137         __do_global_dtors_aux longcall.
9138
9139 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9140
9141         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9142         (old_special_pred_table): Don't reference
9143         SPECIAL_MODE_PREDICATES.
9144         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9145         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9146         * config/sh/predicates.h: Don't mention
9147         SPECIAL_MODE_PREDICATES.
9148         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9149         Remove.
9150
9151 2005-07-20  DJ Delorie  <dj@redhat.com>
9152
9153         * config.gcc: Add m32c-elf support.
9154
9155         * doc/contrib.texi: Mention m32c.
9156         * doc/extend.texi: Document m32c extensions.
9157         * doc/install.texi: Mention m32c.
9158         * doc/invoke.texi: Document m32c options.
9159         * doc/md.texi: Document m32c constraints.
9160
9161         * config/m32c/addsub.md: New file.
9162         * config/m32c/bitops.md: New file.
9163         * config/m32c/cond.md: New file.
9164         * config/m32c/jump.md: New file.
9165         * config/m32c/m32c-lib1.S: New file.
9166         * config/m32c/m32c-lib2.c: New file.
9167         * config/m32c/m32c-modes.def: New file.
9168         * config/m32c/m32c-pragma.c: New file.
9169         * config/m32c/m32c-protos.h: New file.
9170         * config/m32c/m32c.abi: New file.
9171         * config/m32c/m32c.c: New file.
9172         * config/m32c/m32c.h: New file.
9173         * config/m32c/m32c.md: New file.
9174         * config/m32c/m32c.opt: New file.
9175         * config/m32c/minmax.md: New file.
9176         * config/m32c/mov.md: New file.
9177         * config/m32c/muldiv.md: New file.
9178         * config/m32c/predicates.md: New file.
9179         * config/m32c/prologue.md: New file.
9180         * config/m32c/shift.md: New file.
9181         * config/m32c/t-m32c: New file.
9182
9183 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9184
9185         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9186         (stack_protect_set, stack_protect_test): New expanders.
9187         (stack_protect_set_si, stack_protect_set_si_media,
9188         stack_protect_set_di_media, stack_protect_test_si,
9189         stack_protect_test_si_media, stack_protect_test_di_media):
9190         New insns.
9191
9192 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9193
9194         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9195
9196 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9197
9198         * tree.h (tree_expr_nonzero_p): Export.
9199         * fold-const.c (tree_expr_nonzero_p): Likewise.
9200         Return true for CALL_EXPRs that are alloca calls.
9201         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9202         against zero.
9203         * tree-flow.h (expr_computes_nonzero): Remove.
9204         * tree-vrp.c (expr_computes_nonzero): Remove.
9205         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9206         (extract_range_from_unary_expr): Likewise.
9207         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9208         tree_expr_nonzero_p.
9209
9210 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9211
9212         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9213         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9214         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9215         All callers changed.
9216         (frame_related_constant_load): New arg "related" which controls
9217         setting of RTX_FRAME_RELATED_P.  All callers changed.
9218         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9219         (bfin_expand_prologue): Add stack limit checking.
9220         * config/bfin/bfin.md (trapifcc): New pattern.
9221
9222         * config/bfin/bfin.c: Include "langhooks.h".
9223         (def_builtin): Go through lang_hooks to call builtin_function.
9224
9225         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9226         * config/bfin/predicates.md (symbol_ref_operand): New.
9227         (call_insn_operand): Delete.  All callers changed to use
9228         register_no_elim_operand.
9229         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9230         call_cookie field.
9231         (function_arg): Use it to generate the call's operand 2.
9232         (bfin_longcall_p): New function.
9233         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9234         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9235         determine if the address needs to be in a REG.
9236         (bfin_handle_longcall_attribute): New function.
9237         (bfin_attribute_table): Add "longcall" and "shortcall".
9238         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9239         (CUMULATIVE_ARGS): New member call_cookie.
9240         (PREDICATE_CODES): Add symbol_ref_operand.
9241         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9242         extra USE to the pattern.
9243         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9244         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9245         sibcall_value_insn; now the new patterns handle direct calls and the
9246         old ones indirect calls.
9247         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9248
9249 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9250
9251         * doc/trouble.texi: Update section on handling of empty loops.
9252
9253 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9254
9255         * config.gcc: Remove support for sparc-*-openbsd*,
9256         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9257         ns32k-*-netbsd*.
9258         * config.host: Remove support for i860-*-sysv4* as a host.
9259         * config/i860/*, config/ip2k/*, config/ns32k/*,
9260         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9261         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9262         mention obsolete ports.
9263
9264 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9265
9266         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9267         soft frame pointer.
9268         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9269         of frame_pointer_rtx.
9270         (sh_expand_epilogue): Likewise.
9271         (sh_set_return_address): Likewise.
9272         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9273         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9274         offsets from FRAME_POINTER_REGNUM.
9275         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9276         (sh_register_names): Add initializer for sfp.
9277         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9278         (VALID_REGISTER_P): Likewise.
9279         (FIRST_PSEUDO_REGISTER): Update.
9280         (DWARF_FRAME_REGISTERS): Define.
9281         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9282         (HARD_FRAME_POINTER_REGNUM): Define.
9283         (FRAME_POINTER_REGNUM): Redefine.
9284         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9285         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9286         from FRAME_POINTER_REGNUM.
9287         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9288         FRAME_POINTER_REGNUM.
9289         (REG_CLASS_CONTENTS): Add sfp.
9290         (REG_ALLOC_ORDER): Likewise.
9291         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9292         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9293         of frame_pointer_rtx.
9294         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9295
9296 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9297
9298         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9299         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9300         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9301         of an ABS_EXPR.
9302         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9303         ABS_EXPR<x>.
9304
9305 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9306
9307         Make CONSTRUCTOR use VEC to store initializers.
9308         * c-common.c (complete_array_type): Update to cope with VEC in
9309         CONSTRUCTOR_ELTS.
9310         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9311         (pp_c_constructor_elts): New function.
9312         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9313         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9314         struct constructor_stack, struct initializer_stack,
9315         constructor_elements, push_init_level, pop_init_level,
9316         add_pending_init, find_init_member, output_init_element): Update to
9317         cope with VEC in CONSTRUCTOR_ELTS.
9318         * coverage.c (build_fn_info_value, build_ctr_info_value,
9319         build_gcov_info): Likewise.
9320         * expr.c (categorize_ctor_elements_1, store_constructor,
9321         expand_expr_real_1): Likewise.
9322         * fold-const.c (fold_ternary): Likewise.
9323         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9324         gimplify_init_constructor, gimplify_expr): Likewise.
9325         * tree-dump.c (dequeue_and_dump): Likewise.
9326         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9327         node.
9328         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9329         CONSTRUCTOR_ELTS.
9330         * tree-sra.c (generate_element_init_1): Likewise.
9331         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9332         * tree-ssa-operands.c (get_expr_operands): Likewise.
9333         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9334         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9335         (get_initial_def_for_reduction): Likewise.
9336         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9337         value handle in annotations.
9338         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9339         tree_node_structure): Add support for constr_kind.
9340         (build_vector_from_ctor, build_constructor_single,
9341         build_constructor_from_list): New functions.
9342         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9343         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9344         Update to cope with VEC in CONSTRUCTOR_ELTS.
9345         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9346         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9347         CONSTRUCTOR_APPEND_ELT): New macros.
9348         (struct constructor_elt, struct tree_constructor): New data types.
9349         (union tree_node): Add tree_constructor field.
9350         * treestruct.def: Define TS_CONSTRUCTOR.
9351         * varasm.c (const_hash_1, compare_constant, copy_constant,
9352         compute_reloc_for_constant, output_addressed_constants,
9353         initializer_constant_valid_p, output_constant,
9354         array_size_for_constructor, output_constructor): Update to cope with
9355         VEC in CONSTRUCTOR_ELTS.
9356         * vec.h (VEC_empty, VEC_copy): New macros.
9357
9358 2005-07-19  Devang Patel  <dpatel@apple.com>
9359
9360         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9361
9362 2005-07-19  Richard Henderson  <rth@redhat.com>
9363
9364         PR tree-opt/22278
9365         * gimplify.c (gimplify_expr): Use main variant type for the temp
9366         destination for a discarded volatile read.
9367         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9368         casts between non-void types that change volatility.
9369
9370 2005-07-15  DJ Delorie  <dj@redhat.com>
9371
9372         * toplev.h: Add comment about the first parameter for warning().
9373         * errors.h: Likewise.
9374
9375         * c.opt (Wpragmas): New.
9376         * doc/invoke.texi: Document it.
9377
9378         * function.c (do_warn_unused_parameter): Add warning control to
9379         warning call.
9380         * c-decl.c (warn_if_shadowing): Likewise.
9381         * c-lex.c (cb_def_pragma): Likewise.
9382         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9383         (pop_alignment): Likewise.
9384         (handle_pragma_pack): Likewise.
9385         (apply_pragma_weak): Likewise.
9386         (handle_pragma_weak): Likewise.
9387         (handle_pragma_redefine_extname): Likewise.
9388         (add_to_renaming_pragma_list): Likewise.
9389         (handle_pragma_extern_prefix): Likewise.
9390         (maybe_apply_renaming_pragma): Likewise.
9391         (handle_pragma_visibility): Likewise.
9392
9393         * config/c4x/c4x-c.c (BAD): Likewise.
9394         (c4x_parse_pragma): Likewise.
9395         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9396         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9397         (rs6000_pragma_longcall): Likewise.
9398         * config/v850/v850-c.c (pop_data_area): Likewise.
9399         (ghs_pragma_section): Likewise.
9400         (ghs_pragma_section): Likewise.
9401         (ghs_pragma_interrupt): Likewise.
9402         (ghs_pragma_starttda): Likewise.
9403         (ghs_pragma_startsda): Likewise.
9404         (ghs_pragma_startzda): Likewise.
9405         (ghs_pragma_endtda): Likewise.
9406         (ghs_pragma_endsda): Likewise.
9407         (ghs_pragma_endzda): Likewise.
9408
9409 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9410             Kenneth Zadeck <zadeck@naturalbridge.com>
9411
9412         * Makefile.in: Removed tree-promote-statics.c
9413         * tree-promote-statics.c: Removed.
9414         * common.opt: Removed flag-promote-statics.
9415         * opts.c: Ditto.
9416         * passes.c: Removed tree-promote-statics pass.
9417         * tree-pass.h: Ditto.
9418         * timevar.def: Removed TV_PROMOTE_STATICS.
9419
9420
9421 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9422
9423         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9424         and *-*-freebsd9.
9425         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9426
9427 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9428
9429         PR c/22476
9430         * c-common.c (check_function_arguments): Call
9431         'check_function_format' if either -Wformat or
9432         -Wmissing-format-attribute are specified.
9433         * c-format.c (check_function_format): Check -Wformat before
9434         calling 'check_format_info'.
9435         * c-opts.c (c_common_post_options): Don't warn for
9436         -Wmissing-format-attribute without -Wformat.
9437         * c-typeck.c (convert_for_assignment): Detect additional cases for
9438         -Wmissing-format-attribute.
9439         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9440         behavior.
9441
9442 2005-07-19  Richard Guenther  <rguenther@suse.de>
9443
9444         * config/i386/i386.md (lrint<mode>2): Use temporary
9445         instead of clobbering non-existent memory.
9446
9447 2005-07-19  Nick Clifton  <nickc@redhat.com>
9448
9449         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9450         statement to avoid displaying ASCII control characters.
9451
9452 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9453
9454         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9455         * cfganal.c (find_edge_index): Ditto.
9456         * combine.c (combine_instructions): Ditto.
9457         * ddg.c (create_scc): Ditto.
9458         (find_successors): Ditto.
9459         (find_predecessors): Ditto.
9460         (find_nodes_on_paths): Ditto.
9461         (longest_simple_path): Ditto.
9462         * flow.c (update_life_info): Ditto.
9463         (count_or_remove_death_notes): Ditto.
9464         (clear_log_links): Ditto.
9465         * modulo-sched.c (generate_reg_moves): Ditto.
9466         (find_max_asap): Ditto.
9467         (find_max_hv_min_mob): Ditto.
9468         (find_max_dv_min_mob): Ditto.
9469         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9470         * sched-rgn.c (extract_edgelst): Ditto.
9471         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9472         (dump_update_ssa): Ditto.
9473         (ssa_names_to_replace) Ditto.
9474         (switch_virtuals_to_full_rewrite): Ditto.
9475         (update_ssa): Ditto.
9476         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9477
9478 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9479
9480         Fix PR tree-optimization/22483
9481
9482         * tree-complex.c (create_components): Use
9483         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9484         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9485         * tree-flow.h (safe_referenced_var_iterator): New structure.
9486         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9487         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9488         safe_referenced_var iterator.
9489         (add_type_alias): Ditto.
9490
9491 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9492
9493         * loop-init.c (rest_of_handle_loop2): Remove.
9494         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9495         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9496         (pass_rtl_loop_init, pass_rtl_loop_done,
9497         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9498         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9499         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9500         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9501         pass_tree_loop_done, and pass_tree_unswitch.
9502         (gate_loop): Rename to gate_tree_loop.
9503         * passes.c (init_optimization_passes): Update for renamed tree
9504         loop passes.  Add the new loop2 passes as subpasses of loop2.
9505         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9506         Update for the renamed tree loop passes.
9507
9508 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9509
9510         PR middle-end/22057
9511         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9512         blocks when optimizing.
9513
9514 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9515
9516         * common.opt (frename-registers): Initialize to 2.
9517         (fweb): Ditto.
9518         (fgcse-after-reload): Ditto.
9519         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9520         (process_options): Only change flag_web, flag_rename_registers,
9521         and flag_rerun_cse_after_loop if not explicitly set by user.
9522
9523 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9524
9525         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9526         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9527         in 64-bit mode the same as DImode in 32-bit mode.
9528         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9529         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9530         mode. Add new mode parameter.
9531         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9532         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9533         x86_64_shift_adj): New expanders.
9534         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9535         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9536         insns.
9537         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9538         DImode shift splitters.
9539         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9540         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9541         mode parameter.
9542
9543 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9544
9545         * i386.md (movdi_extzv_1): New.
9546         (zero_extendhidi2): Combine alternatives and never force use of
9547         REX64 prefix.
9548         (zero_extendqidi2): Likewise. Don't restrict input selection.
9549
9550 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9551
9552         Fix PR tree-optimization/22531
9553         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9554          moment.
9555
9556 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9557
9558         * tree-promote-statics.c (pass_promote_statics): Change dump file
9559          name.
9560
9561 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9562
9563         * tree-optimize.c (init_tree_optimization_passes): Add
9564         pass_eliminate_useless_stores pass.
9565         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9566         * tree-ssa-pre.c (is_copy_stmt): New function.
9567         (follow_copies_till_vuse): Ditto.
9568         (do_eustores): Ditto.
9569         (gate_eustores): Ditto.
9570
9571 2005-07-16  Richard Henderson  <rth@redhat.com>
9572
9573         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9574
9575 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9576            Kenneth Zadeck <zadeck@naturalbridge.com>
9577
9578         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9579         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9580         ipa-type-escape.h, tree-promote-statics.c
9581         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9582         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9583         tree-promote-statics.c: new files.
9584         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9585         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9586         int nonlocal_set_p, mark_constant_function): Deleted.
9587         (rest_of_handle_cfg): Removed call to mark_constant_function.
9588         (nonoverlapping_component_refs_p): Added calls to support
9589         type based aliasing.
9590         * tree-ssa-alias.c (may_alias_p,
9591         compute_flow_insensitive_aliasing): Ditto.
9592         * calls.c (flags_from_decl_or_type): Removed reference to
9593         cgraph_rtl_info.
9594         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9595         too many arguments.  This is necessary for Spec 2000.
9596         * cgraph.h (const_function, pure_function): Removed.
9597         * common.opt: Added "fipa-pure-const", "fipa-reference",
9598         "fipa-type-escape", and "ftree-promote-static".
9599         * opts.c: Ditto.
9600         * passes.c: Added ipa and tree-promote-statics passes.
9601         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9602         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9603         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9604         * tree-flow.h: Added exposed sra calls and addition of
9605         reference_vars_info field for FUNCTION_DECLS.
9606         * tree-pass.h: Added passes.
9607         * tree-sra.c: (sra_init_cache): New function.
9608         (sra_insert_before, sra_insert_after) Made public.
9609         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9610         and made public.
9611         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9612         aliasing. (may_alias_p): Added code to use type escape analysis to
9613         improve alias sets.
9614         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9615         code to prune clobbers of static variables based on information
9616         produced in ipa-reference pass.  Changed call clobbering so that
9617         statics are not marked as clobbered if the call does not clobber
9618         them.
9619
9620 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9621
9622         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9623         too.
9624
9625 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9626
9627         * doc/install.texi (*-*-solaris2*): Document recommended version
9628         of GNU binutils and mention GNU linker problem on Solaris 10.
9629
9630 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9631
9632         PR c/22421
9633         * c-decl.c (c_build_bitfield_integer_type): New function.
9634         (finish_struct): Call it.
9635         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9636
9637 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9638
9639         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9640         before returning.
9641
9642 2005-07-16  Jan Hubicka  <jh@suse.cz>
9643
9644         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9645         (scale_bbs_frequencies_int): Watch roundoff errors.
9646         * predict.c (return_prediction): Initialize return_stmt.
9647
9648 2005-07-16  Jan Hubicka  <jh@suse.cz>
9649
9650         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9651         after RTL profiling.
9652
9653 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9654
9655         PR middle-end/22398
9656         * fold-const.c (build_range_check): Convert high/low to etype
9657         if we are only comparing against exp.
9658
9659 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9660
9661         Fix PR tree-optimization/22376
9662         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9663         special var here.
9664         (need_to_solve): New function.
9665         (compute_points_to_sets): Use it.
9666
9667 2005-07-15  Jan Hubicka  <jh@suse.cz>
9668
9669         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9670         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9671
9672 2005-07-15  Richard Guenther  <rguenther@suse.de>
9673
9674         * c-common.c (handle_flatten_attribute): New function.
9675         Add flatten function attribute.
9676         * doc/extend.texi: Document flatten function attribute.
9677         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9678         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9679         New functions.
9680         (cgraph_decide_inlining): Handle functions with flatten
9681         attribute.
9682
9683 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9684
9685         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9686         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9687         UNSPEC_XCHG, UNSPEC_AND): New.
9688         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9689         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9690         * config/rs6000/sync.md (FETCHOP): New code macro.
9691         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9692         New code attrs.
9693         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9694         (sync_compare_and_swap<mode>): Same.
9695         (sync_lock_test_and_set<mode>): Same.
9696         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9697         for QImode and HImode, and not PPC405.
9698         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9699         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9700         (sync_<fetchop>{si,di}_internal): New.
9701         (sync_nand{si,di}_internal): New.
9702         (sync_old_<fetchop>{si,di}_internal): New.
9703         (sync_old_nand{si,di}_internal): New
9704         (sync_new_<fetchop>{si,di}_internal): New.
9705         (sync_new_nand{si,di}_internal): New.
9706         (atomic_and{si,di}): New.
9707         (sync_new_nand{si,di}_internal): New.
9708         (atomic_and{si,di}): New.
9709         (sync_add<mode>_internal): Delete.
9710         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9711         (sync_sub<mode>_internal): Delte.
9712         (sync_subshort_internal): New.
9713         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9714         (sync_anddi_internal): Delete.
9715         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9716         (sync_booldi_internal): Delete.
9717         (sync_boolc<mode>_internal): Delete.
9718         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9719         (sync_boolc<mode>_internal2): Delete.
9720         (sync_boolcc<mode>_internal): Delete.
9721         (isync, lwsync): Use unspec instead of unspec_volatile.
9722         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9723         Revert UNSPEC_VOLATILE.
9724         (rs6000_split_atomic_op): New.
9725         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9726
9727 2005-07-14  Eric Christopher  <echristo@redhat.com>
9728
9729         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9730         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9731
9732 2005-07-14  Eric Christopher  <echristo@redhat.com>
9733
9734         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9735
9736 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9737
9738         PR tree-optimization/22230
9739         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9740         the computation of the four cross productions for "range op range".
9741
9742 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9743             Ulrich Weigand  <uweigand@de.ibm.com>
9744
9745         PR target/20126
9746         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9747         in some insn.
9748
9749 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9750
9751         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9752
9753 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9754
9755         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9756
9757 2005-07-14  Richard Guenther  <rguenther@suse.de>
9758
9759         PR middle-end/22347
9760         * config/i386/i386-protos.h (ix86_function_value): Change
9761         prototype to match new target hook.
9762         * config/i386/i386.c (ix86_value_regno): Change prototype
9763         to take extra type argument.
9764         (TARGET_FUNCTION_VALUE): Define.
9765         (ix86_function_ok_for_sibcall): Pass extra argument to
9766         ix86_value_regno, check return slot rtx for exact match.
9767         (ix86_function_value): Take extra parameter.  Dispatch to
9768         ix86_value_regno with fndecl/fntype as provided.
9769         (ix86_value_regno): Handle extra type argument.
9770         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9771
9772         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9773         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9774         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9775         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9776         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9777
9778 2005-07-14  Richard Guenther  <rguenther@suse.de>
9779
9780         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9781         * calls.c (expand_call): Pass fntype to hard_function_value.
9782         (emit_library_call_value_1): Likewise.
9783         * explow.c: Include target.h.
9784         (hard_function_value): Take extra argument, the fntype.
9785         Use new target hook for function_value.
9786         * expr.h (hard_function_value): Change prototype.
9787         * function.c (aggregate_value_p): Pass 0 as fntype to
9788         hard_function_value.
9789         (assign_parms): Use new target hook for function_value.
9790         Pass 0 as fntype to hard_function_value.
9791         (expand_function_end): Likewise.
9792         * reg-stack.c: Include target.h.
9793         (stack_result): Use new target hook for function_value.
9794         * target-def.h: New target hook function_value.
9795         * target.h: Likewise.
9796         * targhooks.c (default_function_value): New function.
9797         * targhooks.h (default_function_value): Declare.
9798
9799 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9800
9801         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9802
9803 2005-07-14  Jan Hubicka  <jh@suse.cz>
9804
9805         * tree-dfa.c (dump_variable): Use default_def function.
9806         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9807         * tree-ssa.c (verify_use): Likewise.
9808         * tree-ssanames.c (release_ssa_name): Likewise.
9809         * tree-tailcall.c (eliminate_tail_call): Likewise.
9810         (tree_optimize_tail_calls_1): Likewise.
9811         * tree-vrp.c (get_value_range): Likewise.
9812
9813 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9814
9815         * gcc.c (main): Compare language[0] with '*' when iterating over
9816         the infiles.
9817
9818 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9819
9820         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9821         "s390_emit_compare".  Add handling of CCZ1mode.
9822         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9823         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9824         checking.
9825         (s390_branch_condition_mask): Add CCZ1mode handling.
9826         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9827         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9828         Use CCZ1mode instead of CCZmode.
9829         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9830
9831 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9832
9833         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9834         pattern.
9835         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9836
9837 2005-07-13  Eric Christopher  <echristo@redhat.com>
9838
9839         * config/mips/mips.c (mips_canonicalize_comparison): New.
9840         (mips_emit_int_relational): Use.
9841
9842 2005-07-13  Eric Christopher  <echristo@redhat.com>
9843
9844         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9845         static extra parts.
9846         * config/s390/s390.md: Include tpf.md. Move tpf specific
9847         patterns...
9848         * config/s390/tpf.md: To here.
9849         * config/s390/s390.opt: Move tpf specific options...
9850         * config/s390/tpf.opt: to here. Add mmain option.
9851         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9852         * config/s390/tpf.h: Rewrite.
9853
9854 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9855
9856         * doc/tm.texi: Remove @xref{Cross-profiling}.
9857
9858 2005-07-13  Jeff Law  <law@redhat.com>
9859
9860         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9861         expressions, test their _DECL operands for pointer equality rather
9862         than using operand_equal_p.
9863
9864 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9865
9866         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9867         (TARGET_POSIX_IO): This.
9868         * config/darwin.h: Likewise.
9869         * config/freebsd.h: Likewise.
9870         * config/linux.h: Likewise.
9871         * config/lynx.h: Likewise.
9872         * config/netbsd.h: Likewise.
9873         * config/rs6000/linux64.h: Likewise.
9874         * config/rs6000/linux.h: Likewise.
9875         * config/s390/tpf.h: Likewise.
9876         * config/sh/embed-elf.h: Likewise.
9877         * config/sparc/linux64.h: Likewise.
9878         * config/sparc/linux.h: Likewise.
9879         * config/svr4.h: Likewise.
9880         * gcov-io.h: Likewise.
9881
9882         * doc/tm.texi: Updated.
9883
9884         * libgcov.c (create_file_directory): Defined only if
9885         TARGET_POSIX_IO is defined.
9886         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9887         is defined.
9888
9889 2005-07-13  Jan Hubicka  <jh@suse.cz>
9890
9891         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9892
9893 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9894
9895         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9896         structure as argument.
9897
9898 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9899
9900         PR tree-optimization/21921
9901         * tree-iterator.c (tsi_link_before): Support the case when
9902         tsi_end_p (tsi) == true.
9903
9904 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9905
9906         PR tree-optimization/22442
9907         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9908         correctly.
9909
9910 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9911
9912         PR rtl-optimization/20376
9913         * toplev.c (process_options): Enable -fweb and -frename-registers when
9914         unrolling.
9915         * doc/invoke.texi: Update the information about when -fweb and
9916         -frename-registers are enabled.
9917
9918 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9919
9920         PR tree-opt/21840
9921         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9922         if *rhs_p is not a SSA_NAME.
9923
9924 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9925
9926         Fix PR tree-optimization/22422
9927         * tree-ssa-structalias.c (struct variable_info): Add flag for
9928         special vars.
9929         (get_varinfo): Now a static function.
9930         (new_varinfo): init has_union and is_special_var to false.
9931         (solution_set_add): Check has_union.
9932         (do_da_constraint): Move temporary variable so it gets reset
9933         properly.
9934         Also check for special variable.
9935         (do_ds_constraint): Ditto.
9936         (do_sd_constraint): Ditto.
9937         (do_structure_copy): Check for special variable.
9938         (find_func_aliases): Ditto.
9939         (init_base_vars): Set special vars properly.
9940
9941 2005-07-13  Jan Hubicka  <jh@suse.cz>
9942
9943         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9944         do unit-at-a-time.
9945
9946         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9947         (get_expr_operands): Fix thinko wrt flags and subvars.
9948
9949         PR tree-optimize/22379
9950         * tree-inline.c (expand_call_inline): Do not output sorry in early
9951         inlining.
9952
9953 2005-07-12  Dale Johannesen  <dalej@apple.com>
9954
9955         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9956
9957 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9958
9959         PR bootstrap/21704
9960         * host-linux.h: Include limits.h.
9961
9962 2005-07-12  Dale Johannesen  <dalej@apple.com>
9963
9964         * expr.c (compress_float_constant):  Add cost check.
9965         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9966
9967 2005-07-12  Dale Johannesen  <dalej@apple.com>
9968
9969         * gcc.target/i386/compress-float-sse.c:  New.
9970         * gcc.target/i386/compress-float-sse-pic.c:  New.
9971         * gcc.target/i386/compress-float-387.c:  New.
9972         * gcc.target/i386/compress-float-387-pic.c:  New.
9973         * gcc.dg/compress-float-ppc.c:  New.
9974         * gcc.dg/compress-float-ppc-pic.c:  New.
9975
9976 2005-07-12  Eric Christopher  <echristo@redhat.com>
9977
9978         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9979         static extra parts.
9980         * config/s390/s390.md: Include tpf.md. Move tpf specific
9981         patterns...
9982         * config/s390/tpf.md: To here.
9983         * config/s390/s390.opt: Move tpf specific options...
9984         * config/s390/tpf.opt: to here. Add mmain option.
9985         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9986         * config/s390/tpf.h: Rewrite.
9987
9988 2005-07-12  Eric Christopher  <echristo@redhat.com>
9989
9990         * gcc.c (struct infile): Update comment for language.
9991         (main): Rewrite input file resetting code.
9992
9993 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9994
9995         PR tree-opt/22335
9996         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9997         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9998         (lookup_avail_expr): Use constant_boolean_node instead
9999         of boolean_false_node/boolean_true_node.
10000
10001 2005-07-12  Ben Elliston  <bje@au.ibm.com>
10002
10003         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
10004         and use it when printing num_edges.
10005
10006 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10007
10008         * doc/extend.texi (Blackfin Built-in Functions): New section.
10009         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
10010         @opindex.
10011
10012 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
10013
10014         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
10015         s/cmpstrsi/cmpstrnsi
10016         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
10017         'cmpstrnsi'.
10018         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
10019         (init_optabs): Initialize cmpstrn_optab.
10020         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
10021         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
10022         * expr.c: (enum insn_code cmpstrn_optab): Declare.
10023         * config/i386/i386.md: s/cmpstr/cmpstrn
10024         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10025         * doc/md.texi: Update documentation.
10026
10027 2005-07-11  Richard Henderson  <rth@redhat.com>
10028
10029         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10030         build_va_arg_indirect_ref.
10031         (alpha_gimplify_va_arg): Likewise.
10032         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10033         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10034         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10035         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10036         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10037         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10038         Likewise.
10039         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10040
10041 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10042
10043         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10044         * passes.c (init_optimization_passes): Add pass_empty_loop.
10045         * tree-pass.h (pass_empty_loop): Declare.
10046         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10047         try_remove_empty_loop, remove_empty_loops): New functions.
10048         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10049         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10050
10051 2005-07-12  Peter Barada  <peter@the-baradas.com>
10052
10053         PR middle-end/16719
10054         PR middle-end/18421
10055         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10056         in address registers.
10057         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10058         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10059         alternative of addsi3_5200.
10060
10061 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10062
10063         * config/mips/mips.md (ffs<mode>2): Remove.
10064
10065 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10066
10067         * doc/tree-ssa.texi (Cleanups): Improve description of
10068         TRY_FINALLY_EXPR.
10069         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10070
10071 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10072
10073         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10074         * tree.h (DECL_ARGUMENT_FLD): New macro.
10075
10076 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10077
10078         Fix PR tree-optimization/22404
10079
10080         * tree-ssa-structalias.c (create_variable_info_for): Use
10081         correct offset.
10082
10083 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10084
10085         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10086         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10087         for second comparison operand.
10088         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10089
10090         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10091         (define_insn_reservation "alu"): Likewise.
10092         (csync, ssync): Now of type sync.
10093         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10094         -mcsync-anomaly -mspecld-anomaly.
10095         * config/bfin/bfin.opt (mcsync): Remove.
10096         (mcsync-anomaly, mspecld-anomaly): Add.
10097         * config/bfin/bfin.c: Include "insn-codes.h".
10098         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10099         (TARGET_DEFAULT_TARGET_FLAGS): New.
10100         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10101
10102 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10103
10104         * basic-block.h: Give the BB flags enum a name, bb_flags.
10105         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10106         * cfgcleanup.c (enum bb_flags): Remove here.
10107         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10108         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10109         (update_forwarder_flag): Likewise.
10110         (thread_jump): Likewise.
10111         (try_forward_edges): Likewise.
10112         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10113         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10114         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10115
10116 2005-07-11  Richard Guenther  <rguenther@suse.de>
10117
10118         * config/i386/i386.opt: New target option -msseregparm.
10119         * config/i386/i386.c (override_options): Error out for
10120         -msseregparm but no SSE support.
10121         (ix86_function_sseregparm): Check for global sseregparm.
10122         * doc/invoke.texi: Document -msseregparm.
10123
10124 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10125
10126         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10127         (m32rle-*-linux*): Ditto.
10128
10129 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10130
10131         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10132         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10133         bytes.
10134
10135 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10136
10137         PR middle-end/22239
10138         PR target/20126
10139         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10140         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10141
10142 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10143
10144         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10145         (varmap): Heapify varmap.
10146         (constraints): Heapify constraints.
10147         (struct constraint_graph): Heapify succs and preds.
10148         (constraint_vec_find): Update for heapification.
10149         (constraint_set_union): Ditto.
10150         (insert_into_complex): Ditto.
10151         (constraint_edge_vec_find): Ditto.
10152         (erase_graph_self_edge): Ditto.
10153         (add_graph_edge): Ditto.
10154         (get_graph_weights): Ditto.
10155         (merge_graph_nodes): Ditto.
10156         (build_constraint_graph): Ditto.
10157         (topo_visit): Ditto.
10158         (solve_graph): Ditto.
10159         (create_variable_info_for): Ditto.
10160         (init_base_vars): Ditto.
10161         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10162         (condese_varmap_nodes): Free complex vector.
10163         (clear_edges_for_node): Clear succs and preds vector.
10164
10165 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10166
10167         * tree-ssa-structalias.c (update_alias_info): Change counting of
10168         references to not include vdefs.
10169
10170 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10171
10172         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10173         (up_insert): Ditto.
10174
10175 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10176
10177         * pa.c (pa_commutative_p): Make PLUS commutative when
10178         TARGET_NO_SPACE_REGS is true.
10179
10180 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10181
10182         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10183         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10184         * tree-dfa.c (dump_subvars_for): New.
10185         (debug_subvars_for): New.
10186         (dump_variable): Show subvariables if VAR has them.
10187         * tree-flow-inline.h (get_subvar_at): New.
10188         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10189         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10190         Update all users.
10191         (struct subvar): Change fields offset and size to unsigned
10192         HOST_WIDE_INT.
10193         (dump_subvars_for): Declare.
10194         (debug_subvars_for): Declare.
10195         (get_subvar_at): Declare.
10196         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10197         to unsigned HOST_WIDE_INT *.
10198         (overlap_subvar): Likewise.
10199         * tree-gimple.c (is_gimple_reg): Always return false for
10200         SFTs and memory tags.
10201         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10202         Update all callers.
10203         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10204         (compute_may_aliases): Call compute_points_to_sets.
10205         (collect_points_to_info_for): Remove.
10206         (compute_points_to_and_addr_escape): Remove.
10207         (delete_alias_info): Call delete_points_to_sets.
10208         (compute_flow_sensitive_aliasing): If the call to
10209         find_what_p_points_to returns false, call set_pt_anything.
10210         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10211         (set_pt_anything): Clear pi->pt_vars.
10212         (set_pt_malloc): Remove.
10213         (merge_pointed_to_info): Remove.
10214         (add_pointed_to_expr): Remove.
10215         (add_pointed_to_var): Remove.
10216         (collect_points_to_info_r): Remove.
10217         (is_escape_site): Make extern.
10218         (create_sft): New.
10219         (create_overlap_variables_for): Call it.
10220         * tree-ssa-copy.c (merge_alias_info): Never merge
10221         flow-sensitive alias information.
10222         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10223         offset and size to be unsigned HOST_WIDE_INT.
10224         (add_to_addressable_set): Rename from note_addressable.
10225         Set TREE_ADDRESSABLE as the variables are added to the set.
10226         Update all users.
10227         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10228         operands into VUSEs when adding V_MAY_DEFs for members in an
10229         alias set.
10230         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10231         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10232         (struct variable_info): Add bitfield is_heap_var.
10233         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10234         (new_var_info): Initialize is_heap_var.
10235         (get_constraint_for): Add HEAP variables to the symbol table.
10236         Mark them with is_heap_var.
10237         (update_alias_info): New.  Taken mostly from the old
10238         compute_points_to_and_addr_escape.
10239         (handle_ptr_arith): New.
10240         (find_func_aliases): Call update_alias_info.
10241         Call handle_ptr_info for tcc_binary expressions.
10242         Call mark_stmt_modified.
10243         (create_variable_info_for): If DECL has subvars, do not create
10244         variables for its subvars.  Always add all the fields.
10245         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10246         SFTs, then add all the SFTs of the structure.
10247         If VI->DECL is an aggregate with subvariables, add the SFT at
10248         VI->OFFSET.
10249         (find_what_p_points_to): If VI is an artificial variable,
10250         translate to bitfields in SSA_NAME_PTR_INFO.
10251         If the solution is empty, set pi->pt_vars to NULL
10252         (init_base_vars): Create ANYOFFSET.
10253         (compute_points_to_sets): Rename from create_alias_vars.
10254         Make extern.
10255         (pass_build_pta): Remove.
10256         (delete_points_to_sets): Rename from delete_alias_vars.
10257         (pass_del_pta): Remove.
10258         * tree-ssa-structalias.h (struct alias_info): Move from
10259         tree-ssa-alias.h.
10260         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10261         NUM_REFERENCES_SET): Likewise.
10262         (compute_points_to_sets, delete_points_to_sets): Declare.
10263
10264 2005-07-09  Richard Henderson  <rth@redhat.com>
10265
10266         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10267         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10268         alpha_split_lock_test_and_set_12): New functions.
10269         * config/alpha/alpha-protos.h: Update.
10270         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10271         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10272         * config/alpha/sync.md (I12MODE): New.
10273         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10274         (sync_<fetchop_name><I48MODE>): Likewise.
10275         (sync_nand<I48MODE>): Likewise.
10276         (sync_old_<fetchop_name><I48MODE>): Likewise.
10277         (sync_new_<fetchop_name><I48MODE>): Likewise.
10278         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10279         (sync_compare_and_swap<I48MODE>): Likewise.
10280         (sync_lock_test_and_set<I48MODE>): Likewise.
10281         (sync_compare_and_swap<I12MODE>): New.
10282         (sync_compare_and_swap<I12MODE>_1): New.
10283         (sync_lock_test_and_set<I12MODE>): New.
10284         (sync_lock_test_and_set<I12MODE>_1): New.
10285
10286 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10287
10288         PR 21356
10289         PR 22332
10290         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10291
10292 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10293
10294         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10295         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10296
10297 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10298
10299         PR target/21656
10300         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10301
10302 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10303
10304         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10305         memory_operand constraint.
10306         (store_conditional_<mode>): Same.
10307         (sync_compare_and_swap<mode>): Same.
10308         (sync_lock_test_and_set<mode>): Same.
10309
10310 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10311
10312         Rewrite PIC support to more closely model actual instructions.
10313         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10314         (cris_symbol): Remove prototypes for removed functions.
10315         (cris_pic_symbol_type_of, cris_valid_pic_const)
10316         (cris_expand_pic_call_address): Prototypes for new functions.
10317         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10318         variable.
10319         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10320         modifiers.
10321         <case ':'>: Add case for new punctuation character.
10322         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10323         emitting (extra) PIC modifier.
10324         <case UNSPEC>: Do not assert for PLT.
10325         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10326         (cris_expand_prologue, cris_expand_epilogue): Check
10327         for pic_offset_table_rtx usage instead of taking
10328         current_function_uses_pic_offset_table as the final word.
10329         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10330         Remove flag_pic difference.
10331         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10332         the moral equivalents of...
10333         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10334         functions.
10335         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10336         (cris_handle_option): Mark ARG as unused.
10337         (cris_expand_pic_call_address): New worker function for "call",
10338         "call_value".
10339         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10340         output PIC constructs here.
10341         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10342         as symbol-specific modifers, not whole or part of operands.
10343         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10344         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10345         constants and flag_pic.
10346         (CONSTANT_INDEX_P): Adjust for new functions.
10347         (enum cris_pic_symbol_type): New helper type.
10348         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10349         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10350         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10351         define_constants.
10352         ("movsi"): Emit actual instructions for GOT and relative access.
10353         ("*movsi_got_load"): New pattern to set up the register holding
10354         the GOT pointer.
10355         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10356         Adjust FIXME for 'S'.
10357         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10358         Use "movs" for -fpic cases.
10359         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10360         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10361         ("call", "call_value"): Just call cris_expand_pic_call_address for
10362         PIC addresses.
10363         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10364         Remove special pattern.
10365         ("*expanded_call_side", "*expanded_call_value_side"): New
10366         patterns.
10367         (gotplt-to-plt, gotplt-to-plt-side-call)
10368         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10369         peephole2:s.
10370         * config/cris/cris/predicates.md
10371         ("cris_general_operand_or_gotless_symbol"): Remove unused
10372         predicate.
10373         ("cris_general_operand_or_symbol"): Adjust for new functions.
10374
10375 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10376
10377         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10378
10379 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10380
10381         * Makefile.in (TREE_H): Add treestruct.def.
10382         (c-decl.o): Add pointer-set.h
10383         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10384         visibility on regular DECL's.
10385         (merge_decls): Fix the copying of decl nodes of various types for
10386         the new structures.  Don't update RTL, section name, weak status,
10387         etc, on DECL's without RTL.
10388         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10389         Don't check volatile on non-variable types.
10390         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10391         to check whether we have seen arguments.
10392         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10393         flag is checked before field (flag is common, field is not).
10394         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10395         TS_DECL_COMMON could have an origin.
10396         (add_location_or_const_value_attribute): Don't check section name
10397         on non-var/function decls.
10398         (dwarf2out_var_location): Reverse order of tests.
10399         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10400         with DECL_WRTL_CHECK.
10401         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10402         * fold-const.c (fold_binary): Don't check weakness on
10403         non-var/function decls.
10404         (tree_expr_nonzero_p): Ditto.
10405         (fold_checksum_tree): Use tree_decl_extra as sizeof
10406         buffer.
10407         * ggc-page.c (extra_order_size_table): Add sizes for
10408         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10409         tree_field_decl.
10410         * gimplify.c (gimplify_bind_expr): Only set
10411         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10412         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10413         without RTL.
10414         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10415         * langhooks.h (init_ts). New langhook.
10416         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10417         * print-tree.c (print_node): Update to only print fields that
10418         exist in the structures the passed decl has.
10419         * toplev.c (wrapup_global_declarations): Don't reset
10420         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10421         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10422         * tree-inline.c (remap_decl): Ditto.
10423         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10424         * tree-pretty-print.c (print_declaration): Don't print
10425         DECL_REGISTER on things that don't contain it.
10426         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10427         non-var/function decls.
10428         * tree.c (tree_contains_struct): New structure.
10429         (init_priority_for_decl): New hashtable.
10430         (tree_int_map): New structure.
10431         (tree_int_map_eq): New function.
10432         (tree_int_map_marked_p): Ditto.
10433         (tree_int_map_hash): Ditto.
10434         (tree_map): Move to tree.h.
10435         (tree_map_eq): Externalize.
10436         (tree_map_hash): Ditto.
10437         (tree_map_marked_p): Ditto.
10438         (init_ttree): Set up tree_contains_struct and call langhook.
10439         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10440         (tree_code_size): Update for new structures.
10441         (tree_node_structure): Update for new structures.
10442         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10443         without the field.
10444         (copy_node_stat):  Copy init priority.
10445         (build_decl_stat): Ditto for visibility.
10446         (ts_enum_names): New.
10447         (tree_contains_struct_check_failed): New function.
10448         (decl_init_priority_lookup): Ditto.
10449         (decl_init_priority_insert): Ditto.
10450         * treestruct.def: New file.
10451         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10452         (CONTAINS_STRUCT_CHECK): Ditto.
10453         (tree_contains_struct_check_failed): New prototype.
10454         (DECL_CHECK): Removed.
10455         (DECL_MINIMAL_CHECK): New.
10456         (DECL_COMMON_CHECK): Ditto.
10457         (DECL_WRTL_CHECK): Ditto.
10458         (DECL_NON_COMMON_CHECK): Ditto.
10459         (DECL_WITH_VIS_CHECK): Ditto.
10460         (VAR_OR_FUNCTION_DECL_P): Ditto
10461         (struct tree_decl_minimal): New structure.
10462         (struct tree_decl_common): Ditto.
10463         (struct tree_decl_with_rtl): Ditto.
10464         (struct tree_decl_with_vis): Ditto.
10465         (struct tree_decl_non_common): Ditto.
10466         (struct tree_field_decl): Ditto.
10467         (struct tree_parm_decl): Ditto.
10468         (struct tree_var_decl): Ditto.
10469         (struct tree_function_decl): Ditto.
10470         (struct tree_const_decl): Ditto.
10471         (struct tree_result_decl): Ditto.
10472         (union tree_node): Add new structures.
10473         * var-tracking.c (track_expr_p): Reverse order of tests.
10474
10475         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10476
10477 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10478
10479         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10480         * system.h: Poison FINALIZE_PIC.
10481         * doc/tm.texi (FINALIZE_PIC): Remove.
10482
10483 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10484
10485         PR tree-opt/22329
10486         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10487         to the correct type if we have a MODIFY_EXPR.
10488
10489 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10490
10491         PR tree-optimization/22360
10492         * tree.c (upper_bound_in_type): Fix calculations for casting
10493         to a non-wider signed type and casting a signed value to a
10494         wider unsigned type.
10495         (lower_bound_in_type): Fix calculations for casting to a
10496         non-wider signed type.
10497
10498         PR tree-optimization/20139
10499         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10500         release_defs.
10501         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10502         fold_cond_expr_cond.
10503         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10504         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10505
10506 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10507
10508         PR tree-opt/22356
10509         * tree-complex.c (expand_complex_libcall): Produce
10510         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10511
10512 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10513
10514         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10515         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10516         b" assert and inserted fastpath code for this case.
10517         (bitmap_ior): Removed "a != b" assert.
10518
10519 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10520
10521         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10522         (ENDFILE_SPEC): Likewise.
10523         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10524
10525         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10526         a large stack frame at epilogue.
10527
10528 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10529
10530         * final.c: Include sdbout.h when required.
10531
10532 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10533
10534         * config.gcc (*-*-darwin*): Only one target-specific header file
10535         for generic darwin.
10536         (powerpc-*-darwin*): Add version-specific header files.
10537         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10538         * config.in: Regenerate.
10539         * configure: Regenerate.
10540         * gcc.c: Include xregex.h.
10541         (version_compare_spec_function): New.
10542         (spec_function): Add version-compare.
10543         (replace_outfile_spec_function): Reformat comment.
10544         (compare_version_strings): New.
10545         * config/darwin-c.c (version_as_macro): New.
10546         (builtin_define): New.
10547         (darwin_cpp_builtins): New.
10548         * config/darwin-protos.h (darwin_cpp_builtins): New.
10549         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10550         (LIB_SPEC): Make unconditional, update comment.
10551         (TARGET_C99_FUNCTIONS): Define.
10552         * config/darwin.opt: Sort.
10553         (mmacosx-version-min=): New.
10554         * config/darwin7.h: Delete.
10555         * config/darwin8.h: Delete.
10556         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10557         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10558         (TARGET_C99_FUNCTIONS): Define.
10559         * config/rs6000/darwin7.h: New.
10560         * config/rs6000/darwin8.h: New.
10561         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10562         (-mmacosx-version-min): Document.
10563
10564 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10565
10566         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10567
10568 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10569
10570         PR middle-end/22239
10571         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10572
10573 2005-07-07  Khem Raj  <kraj@mvista.com>
10574
10575         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10576         in bytes, not words.
10577
10578 2005-07-07  Paul Brook  <paul@codesourcery.com>
10579
10580         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10581         DEFAULT_FUNCTION_ARG_PADDING to upward.
10582
10583 2005-07-07  Richard Henderson  <rth@redhat.com>
10584
10585         * function.c (locate_and_pad_parm): Record parameter alignment in
10586         stack_alignment_needed.
10587
10588 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10589
10590         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10591         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10592         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10593         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10594         (define_attr "type"): Add isync, sync, load_l, store_c.
10595         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10596         Create scratch volatile MEM.
10597         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10598         sync.
10599         (load_locked_<mode>): New.
10600         (store_conditional_<mode>): New.
10601         (sync_compare_and_swap<mode>): Replace with splitter.
10602         (sync_lock_test_and_set<mode>): Replace with splitter.
10603         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10604         and UNSPECV_ISYNC.
10605         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10606         is ics.  Attribute isync.
10607         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10608         lwsync.
10609         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10610         and UNSPECV_SYNC_OP.
10611         (emit_unlikely_jump): New.
10612         (emit_load_locked): New.
10613         (emit_store_conditional): New.
10614         (rs6000_split_compare_and_swap): New.
10615         (rs6000_split_lock_test_and_set): New.
10616         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10617         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10618         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10619         rs6000_split_lock_test_and_set): Declare.
10620         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10621         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10622         store_c, isync, sync.
10623
10624 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10625
10626         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10627         filenames to gtyp-gen.h.
10628         (s-typ-gen): Use it in place of for loops.
10629
10630 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10631
10632         * hooks.c (hook_bool_rtx_int_false): New function.
10633         * hooks.h (hook_bool_rtx_int_false): Declare.
10634         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10635         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10636         * target.h (struct gcc_target): Add commutative_p member.
10637         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10638         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10639         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10640         (pa_commutative_p): New function.
10641         * jump.c (target.h): Include.
10642         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10643         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10644
10645 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10646
10647         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10648         (s390_expand_setmem): New.
10649         * config/s390/s390.c: Likewise.
10650         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10651         Adapt comments.
10652         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10653         general_operand.  Call new function "s390_expand_setmem".
10654         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10655         ("setmem_long", "*setmem_long"): ... this.
10656
10657 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10658
10659         * config/s390/s390.c: (optimization_options): Enable
10660         TARGET_MVCLE at -Os.
10661         * doc/invoke.texi: Document changes in default behaviour.
10662         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10663
10664 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10665
10666         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10667         defined by back-end.
10668
10669 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10670
10671         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10672         all sets in the pattern.
10673         * config/rs6000/rs6000.md (stack_protect_testsi,
10674         stack_protect_testdi): Likewise.
10675
10676 2005-07-06  Jeff Law  <law@redhat.com>
10677
10678         * tree-vrp.c (simplify_using_ranges): Kill.
10679         (vrp_finalize): Remove call to simplify_using_ranges.
10680         (simplify_stmt_using_ranges): New function extracted from
10681         simplify_using_ranges.
10682         (simplify_div_or_mod_using_ranges): Likewise.
10683         (simplify_abs_using_ranges): Likewise.
10684         (simplify_cond_using_ranges): New function.
10685         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10686         * tree-ssa-propagate.c (substitute_and_fold): Call
10687         simplify_stmt_using_ranges if we have range information.
10688
10689 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10690
10691         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10692         ia64_flag_schedule_isns2.
10693
10694         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10695         reading/writing general registers.
10696         (ia64_function_arg): Revert 2005-06-18 change.
10697
10698 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10699
10700         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10701         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10702
10703 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10704
10705         * function.c (expand_function_end): Revert part of 2005-06-27
10706         patch.  Do sjlj_emit_function_exit_after after return_label.
10707
10708 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10709
10710         * doc/install.texi (--disable-libssp): New.
10711
10712 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10713
10714         * doc/invoke.texi: Update -fforce-mem documentation.
10715         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10716         code for -fforce-mem.
10717         * expmed.c: (store_bit_field,store_fixed_bit_field,
10718         extract_bit_field): Ditto.
10719         * expr.c: (convert_move): Ditto.
10720         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10721         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10722         emit_conditional_add,expand_float,expand_fix): Ditto.
10723         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10724         (common_handle_option): Issue warning when -fforce-mem specified.
10725
10726 2005-07-06  Paul Brook  <paul@codesourcery.com>
10727
10728         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10729         argument is empty.
10730         * configure: Regenerate.
10731
10732 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10733
10734         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10735
10736 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10737
10738         Fix PR tree-optimization/22319
10739         Fix PR tree-optimization/22140
10740         Fix PR tree-optimization/22310
10741
10742         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10743         variable sized types.
10744         Use correct type for intermediate structure on *a = *b structure
10745         copies.
10746
10747 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10748
10749         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10750         Remove.
10751         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10752         (machine_function): Move typedef to...
10753         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10754         varargs_save_offset field.
10755         (rs6000_stack_t): Remove varargs_size field.
10756         (setup_incoming_varargs): Allocate varargs save area using
10757         assign_stack_local, try to make it as small as possible.
10758         Save offset from virtual_stack_vars_rtx to the save area
10759         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10760         instead of magic 8 when fp word byte size is used.
10761         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10762         instead of -RS6000_VARARGS_SIZE.
10763         (rs6000_stack_info, debug_stack_info,
10764         rs6000_initial_elimination_offset): Remove all traces of
10765         varargs_size.
10766         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10767         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10768         RS6000_VARARGS_AREA.
10769
10770 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10771
10772         PR tree-optimization/21963
10773         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10774         constant_multiple_of in the same way get_computation_cost_at does.
10775
10776 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10777
10778         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10779         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10780         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10781         and return its previous value.
10782         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10783         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10784         constants.
10785         (stack_protect_set, stack_protect_test): New expanders.
10786         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10787         stack_protect_testdi): New insns.
10788         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10789         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10790
10791 2005-07-06  Jeff Law  <law@redhat.com>
10792
10793         * tree-ssa-dce.c (cfg_altered): New global.
10794         (tree_dce_init): Initialize cfg_altered.
10795         (remove_dead_stmt): If we remove an edge in the CFG, then set
10796         CFG_ALTERED.
10797         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10798         the dominators.
10799
10800 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10801
10802         * Makefile.in (stamp-collect-ld): Use
10803         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10804         ./collect-ld if it already exists.
10805         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10806         Don't remove ./nm if it already exists.
10807
10808 2005-07-05  Devang Patel  <dpatel@apple.com>
10809
10810         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10811         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10812         * tree-vectorizer.c (vect_loop_location): New.
10813         (vect_print_dump_info): Use vect_loop_location.
10814         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10815         (vectorize_loops): Set vect_loop_location.
10816         * tree-vect-analyze.c (vect_analyze_offset_expr,
10817         vect_determin_vectorization_factor, vect_analyze_operations,
10818         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10819         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10820         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10821         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10822         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10823         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10824         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10825         vect_analyze_loop): Adjust vect_print_dump_info API.
10826         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10827         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10828         vect_finish_stmt_generation, vectorizable_assignment,
10829         vectorizable_operation, vectorizable_store, vectorizable_load,
10830         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10831         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10832         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10833         vect_transform_loop): Same.
10834         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10835         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10836         Same.
10837
10838 2005-07-05  Randolph Chung  <tausq@debian.org>
10839
10840         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10841         * configure: Regenerate.
10842         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10843         (pa_tls_referenced_p): Declare.
10844         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10845         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10846         (legitimize_tls_address): New.
10847         (hppa_legitimize_address): Handle TLS addresses.
10848         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10849         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10850         (emit_move_sequence): Handle TLS addresses.
10851         (pa_encode_section_info): Call default handler to handle common
10852         sections.
10853         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10854         (CONSTANT_ADDRESS_P): Reject TLS operands.
10855         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10856         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10857         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10858         (UNSPEC_TLSLE): Define new constants.
10859         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10860         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10861         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10862         (tie_symbolic_operand, tle_symbolic_operand): New
10863
10864 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10865
10866         * aclocal.m4: Update macros for autoconf 2.59 style.
10867         * configure.ac: Likewise.
10868
10869 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10870
10871         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10872         (function_arg): Pass small aggregates in general registers on 32-bit
10873         targets.
10874         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10875
10876 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10877
10878         * Makefile.in (final.o): Fix dependencies.
10879
10880 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10881
10882         PR c/22013
10883         PR c/22098
10884         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10885         * langhooks.c (lhd_expr_to_decl): New.
10886         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10887         New.
10888         (LANG_HOOKS_INITIALIZER): Update.
10889         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10890         expr_to_decl langhook.
10891         * c-tree.h (c_expr_to_decl): Declare.
10892         * c-typeck.c (c_expr_to_decl): New.
10893         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10894         specially.
10895         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10896
10897 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10898
10899         PR c/22308
10900         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10901         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10902
10903 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10904
10905         * Makefile.in: Adjust dependencies.
10906         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10907         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10908         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10909         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10910         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10911         rest_of_compilation.
10912
10913         * bb-reorder.c (gate_duplicate_computed_gotos,
10914         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10915         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10916         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10917         pass_partition_blocks): New.
10918         * bt-load.c (gate_handle_branch_target_load_optimize,
10919         rest_of_handle_branch_target_load_optimize,
10920         pass_branch_target_load_optimize): New.
10921         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10922         pass_jump2): New.
10923         * cfglayout.c (pass_insn_locators_initialize): New.
10924         * cfgrtl.c (pass_free_cfg): New.
10925         * combine.c (gate_handle_combine, rest_of_handle_combine,
10926         pass_combine): New.
10927         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10928         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10929         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10930         * except.c (pass_set_nothrow_function_flags,
10931         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10932         pass_rtl_eh): New.
10933         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10934         rest_of_handle_shorten_branches, pass_shorten_branches,
10935         rest_of_clean_state, pass_clean_state): New.
10936         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10937         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10938         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10939         pass_flow2): New.
10940         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10941         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10942         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10943         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10944         pass_gcse): New.
10945         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10946         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10947         pass_rtl_ifcvt, gate_handle_if_after_combine,
10948         rest_of_handle_if_after_combine, pass_if_after_combine,
10949         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10950         pass_if_after_reload): New.
10951         * integrate.c (pass_initial_value_sets): New.
10952         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10953         pass_purge_lineno_notes): New.
10954         * mode-switching.c (rest_of_handle_mode_switching,
10955         pass_mode_switching): New.
10956         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10957         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10958         pass_loop2): New.
10959         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10960         pass_loop_optimize): New.
10961         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10962         pass_sms): New.
10963         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10964         pass_gcse2): New.
10965         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10966         pass_postreload_cse): New.
10967         * profile.c (gate_handle_profiling, pass_profiling,
10968         rest_of_handle_branch_prob, pass_branch_prob): New.
10969         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10970         pass_split_before_regstack, gate_handle_split_before_regstack,
10971         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10972         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10973         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10974         pass_stack_regs): New.
10975         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10976         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10977         pass_stack_adjustments): New.
10978         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10979         pass_regrename): New.
10980         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10981         pass_delay_slots, gate_handle_machine_reorg,
10982         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10983         * rtl.h (extern void purge_line_number_notes): New.
10984         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10985         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10986         pass_sched2): New.
10987         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10988         pass_tracer): New.
10989         * value-prof.c (gate_handle_value_profile_transformations,
10990         rest_of_handle_value_profile_transformations,
10991         pass_value_profile_transformations): New.
10992         * var-tracking.c (gate_handle_var_tracking,
10993         pass_variable_tracking): New.
10994         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10995
10996         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10997         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10998         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10999         rest_of_handle_old_regalloc, rest_of_handle_regrename,
11000         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
11001         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
11002         rest_of_handle_gcse2, rest_of_handle_regmove,
11003         rest_of_handle_tracer, rest_of_handle_if_conversion,
11004         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
11005         rest_of_handle_web, rest_of_handle_branch_prob,
11006         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
11007         rest_of_handle_jump_bypass, rest_of_handle_combine,
11008         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
11009         rest_of_handle_gcse, rest_of_handle_loop_optimize,
11010         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
11011         rest_of_handle_mode_switching, rest_of_handle_jump,
11012         rest_of_handle_eh, rest_of_handle_stack_adjustments,
11013         rest_of_handle_flow2, rest_of_handle_jump2,
11014         rest_of_handle_peephole2, rest_of_handle_postreload,
11015         rest_of_handle_shorten_branches, rest_of_clean_state,
11016         rest_of_compilation): Remove.
11017
11018         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
11019         * passes.c (dump_flags, in_gimple_form, all_passes,
11020         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11021         register_dump_files, next_pass_1, last_verified, execute_todo,
11022         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
11023         from tree-optimize.c.
11024         (init_optimization_passes): Moved from tree-optimize.c,
11025         adding the RTL optimizations.
11026         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11027         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11028         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11029         register_dump_files, next_pass_1, last_verified, execute_todo,
11030         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11031         init_tree_optimization_passes, ipa_passes): Delete.
11032         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11033         the RTL dumps.
11034         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11035         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11036         from tree.h.
11037         (ipa_passes): Remove.
11038         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11039         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11040         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11041         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11042         (dump_info_p, dump_flag): Moved to tree-dump.h.
11043
11044         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11045         cgraph.c, opts.c.
11046         * passes.c (finish_optimization_passes): Use dump_begin
11047         and dump_end, TDI_end.
11048         (gate_rest_of_compilation): New.
11049         (pass_rest_of_compilation): Use it.
11050         (gate_postreload, pass_postreload): New.
11051         * toplev.c (general_init): Rename init_tree_optimization_passes.
11052         * toplev.h (init_tree_optimization_passes): Rename to
11053         init_optimizations_passes.
11054         * tree-dump.c (dump_flag): Make static.
11055         (dump_files): Remove RTL dumps.
11056         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11057         pass_cleanup_cfg, pass_free_cfg_annotations,
11058         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11059         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11060         * tree-pretty-print.c: Include tree-pass.h.
11061         * cgraph.c: Include tree-dump.h.
11062
11063 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11064
11065         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11066         Only fall back to saying it points to readonly memory if
11067         we can't do better.
11068
11069 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11070
11071         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11072         * config/m32r/m32r.c (m32r_compute_frame_size,
11073         m32r_expand_prologue): Take current_function_profile into
11074         account whenever we reference
11075         current_function_uses_pic_offset_table.
11076         (m32r_finalize_pic): Remove.
11077         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11078
11079 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11080
11081         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11082         instead of $<.  Don't remove ./as if it already exists.
11083
11084 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11085
11086         PR target/21723
11087         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11088         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11089         for complex modes when generating code for PA 1.0.
11090         (VALID_FP_MODE_P): New macro.
11091         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11092         sets for all general and floating point modes.  Align wide floating
11093         point modes to even register boundaries to comply with architectural
11094         requirements.
11095         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11096         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11097         (VALID_FP_MODE_P): New macro.
11098         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11099         sets for all general and floating point modes.  Align wide floating
11100         point modes to even register boundaries to comply with architectural
11101         requirements.
11102
11103 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11104
11105         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11106         to 0.
11107
11108 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11109
11110         * tree-ssa-structalias.c: Don't include expr.h.
11111
11112 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11113
11114         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11115         comments.
11116
11117 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11118
11119         Fix PR tree-optimization/22279
11120
11121         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11122         correct operator.
11123
11124 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11125
11126         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11127
11128 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11129
11130         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11131         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11132         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11133         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11134         config/stormy16/stormy16.c, config/v850/v850.c,
11135         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11136         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11137         Avoid "." or "\n" at end of diagnostics and capital letters at
11138         start of diagnostics.
11139         * combine.c, cse.c: Don't translate dump file output.
11140         * toplev.c (print_version): Only translate output if going to
11141         stderr.
11142
11143 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11144
11145         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11146         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11147         typos.
11148
11149 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11150
11151         * pa.c (fix_range): Fix typo in comment.
11152
11153 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11154
11155         * tree-vrp.c (extract_range_from_assert): Replace
11156         fold (build (...)) with fold_build2.
11157
11158 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11159
11160         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11161         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11162         (format_types_orig, handle_format_attribute): Add support for
11163         format "gcc_gfc".
11164
11165 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11166
11167         * varasm.c (assemble_variable): Fix format specifier thinko.
11168
11169 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11170
11171         PR tree-optimization/22029 (and 22135)
11172         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11173         a phi node before calling dump_vops.
11174
11175 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11176
11177         * tree-dump.h (dump_string_field): Declare.
11178         * tree-dump.c: Use it instead of dump_string.
11179         (dump_string_field): Make non-static.
11180
11181 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11182
11183         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11184         up the minimal CFG stuff always when optimize > 0.  Call
11185         split_all_insns_noflow in PIC case if needed.
11186
11187 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11188             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11189
11190         PR c++/18279
11191         * c-decl.c (c_write_global_declarations): Dump contents of
11192         external scope to.
11193         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11194         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11195         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11196         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11197         is enabled.
11198
11199 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11200
11201         * c-common.h (GCC_DIAG_STYLE): Define.
11202         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11203         version for format checking to 4.1.
11204         * c-format.c: Include toplev.h after c-common.h.
11205         (enum format_type): Add gcc_tdiag_format_type.
11206         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11207         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11208         (format_types_orig): Add gcc_tdiag.
11209         (init_dynamic_diag_info): Support gcc_tdiag formats.
11210         (handle_format_attribute): Likewise.
11211         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11212         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11213         version for format checking to 4.1.
11214         (warning0, warning, error, pedwarn, sorry): Use
11215         ATTRIBUTE_GCC_DIAG.
11216         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11217         (finish_aliases_1): Do not use %qE.
11218         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11219         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11220         Correct format bugs.
11221         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11222         parameter to unsigned HOST_WIDE_INT.
11223         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11224
11225 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11226
11227         PR middle-end/21742
11228         * expr.c (write_complex_part): Use adjust_address for MEM.
11229         (read_complex_part): Same.
11230
11231 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11232
11233         Fix PR tree-optimization/22280
11234
11235         * tree-sra.c (generate_element_init): Remove useless loop.
11236
11237 2005-07-02  Richard Henderson  <rth@redhat.com>
11238
11239         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11240         TLS_MODEL_NONE.
11241         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11242
11243 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11244
11245         PR middle-end/14490
11246         * fold-const.c (fold_binary): Handle the return value of
11247         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11248         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11249
11250 2005-07-02  Jeff Law  <law@redhat.com>
11251
11252         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11253         a eliminate type conversion which feeds an equality comparison
11254         if the original type or either operand in the comparison is a
11255         function pointer.
11256
11257 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11258
11259         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11260         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11261         texts.
11262         * config/avr/avr.c: Do not use '`' as left quote.
11263         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11264         Remove "." from end of diagnostics.  Make diagnostics start with
11265         lowercase letter.
11266
11267 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11268             Joseph S. Myers  <joseph@codesourcery.com>
11269
11270         * toplev.c (default_tree_printer): Handle setting location with
11271         '+' flag.
11272         * c-objc.common.c (c_tree_printer): Likewise.
11273         * c-format.c (gcc_diag_flag_specs): Add '+'.
11274         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11275         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11276         formats.
11277         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11278         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11279         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11280         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11281         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11282         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11283         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11284         format arguments where %J is used without %D.
11285
11286 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11287
11288         * gcc.c (LINK_SSP_SPEC): Define.
11289         (link_ssp_spec): New variable.
11290         (LINK_COMMAND_SPEC): Add %(link_ssp).
11291         (static_specs): Add link_ssp_spec.
11292         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11293         * configure: Rebuilt.
11294         * config.in: Rebuilt.
11295
11296         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11297         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11298         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11299         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11300         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11301         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11302         -0x7008(2) instead of reading __stack_chk_guard variable.
11303         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11304         number.
11305         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11306         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11307         if TARGET_THREAD_SSP_OFFSET is defined.
11308         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11309         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11310
11311         Revert:
11312         2005-06-27  Richard Henderson  <rth@redhat.com>
11313         * libgcc-std.ver (GCC_4.1.0): New.
11314         * libgcc.h (__stack_chk_guard): Declare.
11315         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11316         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11317         * mklibgcc.in (lib2funcs): Add them.
11318
11319 2005-07-01  Richard Henderson  <rth@redhat.com>
11320
11321         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11322         void * before struct sigcontext *.
11323         (x86_fallback_frame_state): Likewise.
11324
11325 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11326
11327         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11328
11329 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11330
11331         PR tree-opt/22269
11332         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11333         we check for SSA_NAME for.
11334
11335 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11336
11337         Fix PR tree-optimization/22071
11338
11339         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11340         function.
11341         (get_constraint_for_component_ref): Use it.
11342
11343 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11344
11345         PR other/22264
11346         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11347         print out the last new line.
11348
11349 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11350
11351         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11352         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11353         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11354         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11355         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11356         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11357         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11358         (enum reg_class): New member CC0_REGS.
11359         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11360         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11361         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11362         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11363         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11364         Adjust for register now described.
11365
11366 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11367
11368         PR target/22262
11369         * config/i386/i386.md (stack_protect_test_si,
11370         stack_protect_test_di): Add earlyclobber for scratch 3.
11371         * config/rs6000/rs6000.md (stack_protect_testsi,
11372         stack_protect_testdi): Add earlyclobber for scratch 3,
11373         remove earlyclobber from scratch 4.
11374
11375 Older entries for 2005 can be found in ChangeLog-2005.