gcc/ChangeLog

   1 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
   2
   3         * config/bfin/bfin.c: Include "cgraph.h".
   4         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
   5         Return the reg that holds the pointer to the GOT.
   6         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
   7         doing stack checking.
   8
   9 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
  10
  11         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
  12         recompute_tree_invarant_for_addr_expr.
  13         Update uses everywhere.
  14
  15 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
  16
  17         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
  18         (MULTILIB_DIRNAMES): Define.
  19
  20 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
  21
  22         PR target/25311
  23         * config/s390/s390.c (struct s390_address): New field literal_pool.
  24         (s390_decompose_address): Compute literal_pool field.  Do not
  25         assume register %r13 is always (and solely) used as pool base.
  26         (s390_extra_constraint_str): Use literal_pool field.
  27
  28 2005-12-09  Thiemo Seufer  <ths@networkno.de>
  29
  30         * config/mips/mips.c (override_options): Don't allow too small
  31         integers in FP registers.
  32
  33 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
  34
  35         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
  36         targetm.binds_local_p to check for local function calls.
  37
  38 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
  39
  40         PR debug/24908
  41         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
  42         call_used_regs can't be used to save reg in another reg.
  43
  44 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  45             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
  46
  47         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
  48         abort.
  49         * except.c (output_ttype): Likewise.
  50         * tree-object-size.c (collect_object_sizes_for): Likewise.
  51         (check_for_plus_in_loops_1): Likewise.
  52         (check_for_plus_in_loops): Likewise.
  53         (compute_object_sizes): Use gcc_unreachable instead of abort.
  54
  55 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
  56
  57         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
  58         (loop_end, loop_init, doloop_end): New insns.
  59         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
  60         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
  61         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
  62         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
  63         * config/ms1/ms1.c: #include basic-block.h
  64         (struct machine_function): Add has_loops field.
  65         (ms1_add_loop): New.
  66         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
  67         (struct loop_info, struct loop_work): New.
  68         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
  69         (ms1_reorg_loops): New loop optimization.
  70         (ms1_machine_reorg): Call it.
  71         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
  72
  73 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
  74
  75         PR tree-optimization/25248
  76         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
  77         evolution_of_loop from the failed attempt.  Remove handling
  78         of MULT_EXPR.
  79
  80 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
  81
  82         * tree.h (DECL_EXTERNAL): Clarify documentation.
  83
  84 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
  85             Jakub Jelinek  <jakub@redhat.com>
  86
  87         PR target/25268
  88         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
  89         argument.  Don't drop outer ANDs.
  90         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
  91         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
  92         prototype.
  93         * config/s390/predicates.md (setmem_operand): Remove.
  94         (shift_count_operand): Rename to...
  95         (shift_count_or_setmem_operand): ... this.  Adjust
  96         s390_decompose_shift_count caller.
  97         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
  98         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
  99         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
 100         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
 101         rotl<mode>3_and, setmem_long_and): New insns.
 102         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
 103         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
 104         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
 105         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
 106         of shift_count_operand.
 107         (setmem_long): Use shift_count_or_setmem_operand instead of
 108         setmem_operand.
 109
 110 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>
 111             Andreas Tobler  <a.tobler@schweiz.ch>
 112
 113         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
 114         tr expression.
 115
 116 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 117
 118         * expr.c (force_operand): Use convert_to_mode for conversions.
 119
 120 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 121
 122         * reload.h (reg_equiv_invariant): Declare.
 123         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
 124         register also when reg_equiv_invariant[R] is set.
 125
 126 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 127             Andreas Tobler  <a.tobler@schweiz.ch>
 128
 129         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
 130
 131 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
 132
 133         * tree-ssa-pre.c (bitmap_set_and): New function.
 134         (bitmap_set_and_compl): New function.
 135         (bitmap_set_empty_p): New function.
 136         (insert_extra_phis): New function.
 137         (compute_avail): Use insert_extra_phis.
 138
 139 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
 140
 141         * config/s390/s390.c (s390_expand_atomic): New function.
 142         Adjust comment of helper functions.
 143         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
 144         * config/s390/s390.md ("ATOMIC"): New code macro.
 145         ("atomic"): Corresponding new code attribute.
 146         ("sync_lock_test_and_set[hq]i",
 147         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
 148
 149 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
 150
 151         * config/s390/s390.c (s390_expand_mask_and_shift,
 152         struct alignment_context, init_alignment_context,
 153         s390_expand_cs_hqi): New.
 154         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
 155         * config/s390/s390.md ("sync_compare_and_swaphi",
 156         "sync_compare_and_swapqi"): New pattern.
 157
 158 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
 159
 160         Fix PR tree-optimization/25291
 161         * tree-ssa-operands.c (add_call_clobber_ops): Remove
 162         redundant and crashing check.
 163
 164 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
 165
 166         PR target/25212
 167         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
 168         tests further when !strict && reload_in_progress.
 169         (print_operand): Check that both operands of indexed address are regs.
 170         (print_operand_address): Likewise.
 171         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
 172         (INT_REG_OK_FOR_BASE_P): Correct.
 173
 174 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
 175
 176         Preparation for PR rtl-optimization/20070 / part1
 177         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
 178         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
 179         outgoing_edges_match.
 180         (outgoing_edges_match): Use condjump_equiv_p.
 181         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
 182         into..
 183         * struct-equiv.c: New file.
 184         (death_notes_match_p) New function, broken out of insns_match_p.
 185         * Makefile.in (OBJS-common): Add struct-equiv.o.
 186         (struct-equiv.o): New target.
 187
 188 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 189
 190         * coretypes.h: Revert previous change.
 191         * config/darwin.h: Revert previous reversion.
 192         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
 193
 194 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 195
 196         * coretypes.h (section): Provide dummy definition for target files.
 197         * config/darwin.h: Revert previous change.
 198
 199 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 200
 201         * doc/sourcebuild.texi (all.build, install-normal): Remove.
 202         * configure.ac: Remove all.build and install-normal from target_list
 203         * configure: Regenerate.
 204         * Makefile.in (install): Don't depend on install-normal.
 205
 206 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 207
 208         * Makefile.in: Document the use of stamps.
 209
 210 2005-12-07  Rafael Ávila de Espíndola  <rafael.espindola@gmail.com>
 211
 212         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
 213         * Makefile.in: Add code to compute some dependencies on s-gtype
 214         automatically.  Remove the declaration of those dependencies.
 215
 216 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 217
 218         * gcc/reload.c (push_secondary_reload): Fix typo:
 219         s/insn_constraint/scratch_constraint/.
 220
 221 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 222
 223         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
 224
 225 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
 226
 227         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
 228         (alpha_elf_select_rtx_section): Return the selected section rather
 229         than emitting assembly code.
 230         (alpha_write_linkage): Emit a ".link" directive directly and then
 231         set in_section to NULL.
 232         (vms_asm_out_constructor): Use switch_to_section.
 233         (vms_asm_out_destructor): Likewise.
 234         (unicosmk_output_common): Set in_section to NULL instead of calling
 235         the dummy common_section function.
 236         (unicosmk_text_section): Delete in favor of...
 237         (unicosmk_output_text_section_asm_op): ...this new function.
 238         (unicosmk_data_section): Delete in favor of...
 239         (unicosmk_output_data_section_asm_op): ...this new function.
 240         (unicosmk_init_sections): New function.
 241         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
 242         (unicosmk_output_ssib): Set in_section to NULL instead of calling
 243         the dummy ssib_section function.
 244         (unicosmk_section_buf): Delete.
 245         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
 246         (unicosmk_data_section): Delete.
 247         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 248         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
 249         (SECTION_FUNCTION_TEMPLATE): Delete.
 250         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
 251         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 252         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
 253         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 254         (TARGET_ASM_INIT_SECTIONS): Define.
 255         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
 256         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 257         (link_section, literals_section): Delete.
 258         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
 259         set in_section to NULL.
 260
 261         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
 262         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
 263         (COMMON_SECTION): Delete.
 264         (TARGET_ASM_INIT_SECTIONS): Define.
 265         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
 266         the dummy common_section function.
 267         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 268         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
 269         between readonly_data_section and text_section to check whether
 270         read-only data is being put in the text section.
 271         (arm_output_function_epilogue): Use switch_to_section.
 272         (arm_elf_asm_constructor): Likewise.
 273         (thumb_call_via_reg): Replace call to in_text_section with
 274         a comparison between in_section and text_section.
 275         (arm_file_end): Use switch_to_section.
 276         (aof_text_section): Delete in favor of...
 277         (aof_output_text_section_asm_op): ...this new function.
 278         (aof_data_section): Delete in favor of...
 279         (aof_output_data_section_asm_op): ...this new function.
 280         (aof_asm_init_sections): New function.
 281         (zero_init_section): Moved from config/arm/aof.h.
 282         (aof_dump_imports, aof_file_start): Use switch_to_section.
 283         * config/arm/arm.h (thumb_call_via_label): Update comment.
 284         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
 285         (common_section): Delete.
 286         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 287         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 288         global switch_to_section function instead of the old port-local one.
 289         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
 290         (SWITCH_TO_SECTION_FUNCTION): Delete.
 291         (drectve_section): Redefine as a macro.
 292         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
 293         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
 294         switch_to_section.
 295
 296         * config/avr/avr.c (progmem_section): New variable.
 297         (avr_output_progmem_section_asm_op): New function.
 298         (avr_asm_init_sections): New function.
 299         (avr_output_addr_vec_elt): Use switch_to_section.
 300         * config/avr/avr.h (progmem_section): Declare.
 301         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 302         (READONLY_DATA_SECTION): Delete.
 303         (TARGET_ASM_INIT_SECTIONS): Define.
 304         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
 305         * config/avr/avr-protos.h (progmem_section): Delete.
 306
 307         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 308
 309         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 310         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
 311
 312         * config/darwin-sections.def: New file.
 313         * config/darwin.c: Define all sections in darwin-sections.def.
 314         (output_objc_section_asm_op, darwin_init_sections): New functions.
 315         (machopic_output_indirection): Use switch_to_section.
 316         (machopic_select_section): Return the selected section rather than
 317         emitting assembly code.  Replace the static function table with
 318         inline conditional expressions.  Update the tests of last_text_section
 319         and move them into the FUNCTION_DECL block.
 320         (machopic_select_rtx_section): Return the selected section rather than
 321         emitting assembly code.
 322         (machopic_asm_out_constructor, machopic_asm_out_destructor)
 323         (darwin_file_end): Use switch_to_section.
 324         * config/darwin.h: Use darwin-sections.def to declare sections.
 325         (INIT_SECTION_ASM_OP): Remove empty definition.
 326         (HAS_INIT_SECTION): Define this instead.
 327         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 328         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
 329         (TARGET_ASM_EH_FRAME_SECTION): Delete.
 330         (TARGET_ASM_INIT_SECTIONS): Define.
 331         * config/darwin-protos.h (darwin_init_sections): Declare.
 332         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
 333         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
 334         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
 335         (constructor_section, destructor_section, mod_init_section): Delete.
 336         (mod_term_section): Delete.
 337         (darwin_exception_section, darwin_eh_frame_section): Delete.
 338         (machopic_select_section): Return a section.
 339         (machopic_select_rtx_section): Likewise.
 340         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
 341         (const_section, const_coal_section, const_data_section): Delete.
 342         (const_data_coal_section, data_coal_section, cstring_section): Delete.
 343         (literal4_section, literal8_section, constructor_section): Delete.
 344         (mod_init_section, mod_term_section, destructor_section): Delete.
 345         (objc_class_section, objc_meta_class_section, objc_category_section)
 346         (objc_class_vars_section, objc_instance_vars_section): Delete.
 347         (objc_cls_meth_section, objc_inst_meth_section): Delete.
 348         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
 349         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
 350         (objc_symbols_section, objc_module_info_section): Delete.
 351         (objc_image_info_section, objc_protocol_section): Delete.
 352         (objc_string_object_section, objc_constant_string_object_section)
 353         (objc_class_names_section, objc_meth_var_names_section): Delete.
 354         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
 355         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
 356         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
 357         (darwin_exception_section, darwin_eh_frame_section): Delete.
 358         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
 359
 360         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
 361         (frv_asm_out_destructor): Likewise.
 362         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 363         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
 364         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
 365         get_named_section.
 366         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
 367         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
 368         (data_section): Delete.
 369
 370         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 371         (DRECTVE_SECTION_FUNCTION): Delete.
 372         (drectve_section): Redefine as a macro that sets in_section after
 373         emitting the directive.
 374         (SWITCH_TO_SECTION_FUNCTION): Delete.
 375         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
 376         in_text_section with comparison between in_section and text_section.
 377         * config/i386/i386.c (x86_64_elf_select_section): Return the section
 378         rather than emitting assembly code.  Use get_named_section.
 379         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
 380         get_named_section.
 381         (machopic_output_stub): Use switch_to_section.
 382         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
 383         (nwld_named_section_asm_out_destructor): Use get_section and
 384         switch_to_section.
 385
 386         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
 387         rather than emitting assembly code.
 388         (ia64_rwreloc_select_section): Likewise.
 389         (ia64_rwreloc_select_rtx_section): Likewise.
 390         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
 391         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
 392         switch_to_section.
 393         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 394         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
 395
 396         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
 397         section rather than emitting assembly code.
 398         (iq2000_select_section): Likewise.
 399         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
 400         (sbss_section): Delete.
 401
 402         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
 403         and get_named_section.
 404         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
 405
 406         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
 407         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
 408         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
 409         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
 410         in_section to NULL.
 411         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 412         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 413         global switch_to_section function instead of the old port-local one.
 414         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 415         (SWITCH_SECTION_FUNCTION): Delete.
 416         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
 417         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
 418         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
 419         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
 420         in_section to NULL.
 421         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
 422         global switch_to_section function instead of the old port-local one.
 423         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
 424
 425         * config/mips/mips.c (mips_file_start): Update comment.
 426         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
 427         (mips_output_aligned_decl_common): Use switch_to_section.
 428         (mips_select_rtx_section): Return the section rather than emitting
 429         assembly code.  Use get_named_section.
 430         (mips_function_rodata_section: Likewise get_section.
 431         (build_mips16_function_stub): Use switch_to_section.
 432         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
 433         (SDATA_SECTION_ASM_OP): Delete.
 434         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
 435         (EXTRA_SECTION_FUNCTIONS): Delete.
 436
 437         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
 438         (mmix_asm_output_aligned_local): Use switch_to_section.
 439
 440         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
 441         (som_one_only_readonly_data_section): New variables.
 442         (pa_output_function_epilogue): Set in_section to NULL instead of
 443         calling forget_section.
 444         (output_deferred_plabels): Use select_section.
 445         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
 446         of calling forget_section.
 447         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
 448         (pa_asm_output_aligned_local): Use select_section.
 449         (som_text_section_asm_op): Delete in favor of...
 450         (som_output_text_section_asm_op): ...this new function.
 451         (pa_som_asm_init_sections): New function.
 452         (pa_select_section): Return the section rather than emitting
 453         assembly code.
 454         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 455         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
 456         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
 457         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
 458         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
 459         (som_readonly_data_section, som_one_only_readonly_data_section)
 460         (som_one_only_data_section, forget_section): Delete.
 461         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
 462         (TARGET_ASM_INIT_SECTIONS): Define.
 463         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
 464
 465         * config/rs6000/rs6000.c (read_only_data_section): New variable.
 466         (private_data_section, read_only_private_data_section): New variables.
 467         (sdata2_section, toc_section): New variables.
 468         (rs6000_file_start): Use switch_to_section.
 469         (rs6000_assemble_integer): Use comparisons against in_section
 470         instead of calling in_toc_section and in_text_section.  Use
 471         unlikely_text_section_p.
 472         (rs6000_elf_output_toc_section_asm_op): New function, derived
 473         from the old rs6000/sysv4.h toc_section function.
 474         (rs6000_elf_asm_init_sections): New function.
 475         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
 476         the section rather than emitting assembly code.
 477         (machopic_output_stub): Use switch_to_section.
 478         (toc_section): Delete dummy function.
 479         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
 480         switch_to_section and get_section.
 481         (rs6000_xcoff_output_readonly_section_asm_op): New function.
 482         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
 483         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
 484         the old rs6000/xcoff.h toc_section function.
 485         (rs6000_xcoff_asm_init_sections): New function.
 486         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
 487         the section rather than emitting assembly code.
 488         (rs6000_xcoff_file_start): Use switch_to_section.
 489         (rs6000_xcoff_file_end): Likewise.
 490         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
 491         (sdata2_section, sbss_section, private_data_section): Delete.
 492         (read_only_data_section, read_only_private_data_section): Delete.
 493         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 494         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
 495         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
 496         (FINI_SECTION_FUNCTION): Delete.
 497         (TARGET_ASM_INIT_SECTIONS): Define.
 498         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
 499         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 500         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
 501         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
 502         (READONLY_DATA_SECTION): Delete.
 503         (TARGET_ASM_INIT_SECTIONS): Define.
 504         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
 505         to NULL rather than no_section.
 506         (TARGET_ASM_EXCEPTION_SECTION): Delete.
 507
 508         * config/sh/sh.c (sh_file_start): Use switch_to_section.
 509
 510         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
 511         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
 512         from call to current_function_section.
 513
 514         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
 515         (bss100_section): New variable.
 516         (xstormy16_asm_output_aligned_common): Use switch_to_section.
 517         (xstormy16_asm_init_sections): New function.
 518         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
 519         switch_to_section and get_section.
 520         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
 521         from calls to current_function_section.
 522         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
 523         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
 524         (TARGET_ASM_INIT_SECTIONS): Define.
 525         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
 526
 527         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 528         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
 529         (FINI_SECTION_FUNCTION): Delete.
 530
 531         * config/v850/v850.c: Include gt-v850.h.
 532         (rosdata_section, rozdata_section, tdata_section, zdata_section)
 533         (zbss_section): New variables.
 534         (v850_output_aligned_bss): Use switch_to_section.
 535         (v850_asm_init_sections): New function.
 536         (v850_select_section): Return the section rather than emitting
 537         assembly code.
 538         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
 539         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
 540         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
 541         (TARGET_ASM_INIT_SECTIONS): Define.
 542         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
 543         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
 544         (zbss_section): Delete.
 545
 546         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
 547
 548         * config/vx-common.h (vxworks_exception_section): Delete.
 549         (TARGET_ASM_EXCEPTION_SECTION): Delete.
 550
 551         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
 552         section rather than emitting assembly code.
 553         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
 554         switch_to_section.
 555
 556         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
 557         * coretypes.h (section): New union and typedef.
 558         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
 559         from call to current_function_section.
 560         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
 561         (dbxout_symbol_location): Use switch_to_section.
 562         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
 563         most of the code into...
 564         (default_eh_frame_section): ...here.  Return a section.
 565         (collect2_eh_frame_section): Delete, moving most of the code into..
 566         (switch_to_eh_frame_section): ...this new function.
 567         (debug_info_section, debug_abbrev_section, debug_aranges_section)
 568         (debug_macinfo_section, debug_line_section, debug_loc_section)
 569         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
 570         variables.
 571         (output_call_frame_info): Call switch_to_eh_frame_section instead of
 572         eh_frame_section.  Use switch_to_section and get_section.
 573         (dwarf2out_begin_prologue): Use switch_to_section.
 574         (AT_string_form): Check the flags in debug_str_section instead of
 575         DEBUG_STR_SECTION_FLAGS.
 576         (output_comp_unit): Use switch_to_section, get_section, and
 577         debug_info_section.
 578         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
 579         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
 580         from call to current_function_section.
 581         (dwarf2out_var_location): Use unlikely_text_section_p.
 582         (dwarf2out_source_line): Use switch_to_section.  Remove argument
 583         from call to current_function_section.
 584         (dwarf2out_start_source_file, dwarf2out_end_source_file)
 585         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
 586         debug_macinfo_section.
 587         (dwarf2out_init): Initialize the new section variables.  Use them
 588         instead of calls to named_section_flags.  Use switch_to_section.
 589         (output_indirect_string): Use switch_to_section and debug_str_section.
 590         (dwarf2out_finish): Use switch_to_section and the new section
 591         variables.
 592         * except.c (default_exception_section): Return the section instead
 593         of emitting assembly code.
 594         (output_function_exception_table): Use the global exception_section
 595         variable instead of the target hook.  Use switch_to_section.  Remove
 596         argument from call to current_function_section.
 597         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
 598         (shorten_branches): Use pointer comparisons to detect whether the
 599         text section is the same as readonly_data_section.
 600         (profile_function): Use switch_to_section.  Remove argument from
 601         call to current_function_section.
 602         (final_scan_insn): Likewise.  Update use of last_text_section.
 603         * gengtype.c (open_base_files): Add an include of output.h.
 604         * output.h (text_section, data_section, readonly_data_section)
 605         (ctors_section, dtors_section, bss_section, init_section)
 606         (fini_section, sdata_section): Turn into section pointers.
 607         (in_text_section, in_unlikely_text_section, exports_section)
 608         (drectve_section, named_section, mergeable_string_section)
 609         (last_text_section_name): Delete.
 610         (default_exception_section, default_eh_frame_section): Return sections.
 611         (SECTION_DECLARED, SECTION_NAMED): New macros.
 612         (SECTION_MACH_DEP): Bump value.
 613         (section_common, named_section, unnamed_section): New structures.
 614         (unnamed_section_callback): New typedef.
 615         (section): New union.
 616         (sbss_section, exception_section, eh_frame_section): New variables.
 617         (in_section, last_text_section): Turn into section pointers.
 618         (get_unnamed_section, get_section, get_named_section): New functions.
 619         (mergeable_constant_section, function_section): Return a section.
 620         (unlikely_text_section): Likewise.
 621         (current_function_section): Likewise.  Remove the decl argument.
 622         (unlikely_text_section_p, switch_to_section): New functions.
 623         (output_section_asm_op): New function.
 624         (set_named_section_flags, named_section_flags, named_section_real)
 625         (named_section_first_declaration): Delete.
 626         (default_select_section, default_elf_select_section): Return a section.
 627         (default_elf_select_section_1, default_function_rodata_section)
 628         (default_no_function_rodata_section, default_select_rtx_section)
 629         (default_elf_select_rtx_section): Likewise.
 630         * rtl.h (in_data_section): Delete.
 631         * sdbout.c (sdbout_one_type): Use switch_to_section.
 632         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
 633         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
 634         (TARGET_ASM_EH_FRAME_SECTION): Poison.
 635         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
 636         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
 637         (TARGET_ASM_OUT): Update after above changes.
 638         * target.h (init_sections): New hook.
 639         (exception_section, eh_frame_section): Delete.
 640         (select_section, select_rtx_section, function_rodata_section): Return
 641         a section rather than emitting assembly code.
 642         * varasm.c (text_section, data_section, readonly_data_section)
 643         (ctors_section, dtors_section, bss_section, init_section)
 644         (fini_section): Turn into section pointers.
 645         (sdata_section, sbss_section, exception_section): New variables.
 646         (eh_frame_section): New variable.
 647         (in_section): Make global and turn into a section pointer.
 648         (last_text_section): Turn into a section pointer.
 649         (unnamed_sections): New variable.
 650         (in_named_name, last_text_section_name): Delete.
 651         (EXTRA_SECTION_FUNCTIONS): Delete.
 652         (in_named_entry): Delete.
 653         (section_htab): New variable, replacing...
 654         (in_named_htab): ...this deleted variable.
 655         (section_entry_eq, section_entry_hash): New functions, based on...
 656         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
 657         (get_unnamed_section, get_section): New functions.
 658         (unlikely_text_section): Return a section instead of emitting
 659         assembly code.
 660         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
 661         (get_named_section_flags, named_section_first_declaration): Delete.
 662         (unlikely_text_section_p): New function.
 663         (named_section_real, named_section): Delete.
 664         (get_named_section): New function.
 665         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
 666         (function_section): Return a section rather than emitting
 667         assembly code.
 668         (current_function_section): Likewise.  Remove argument.  Use
 669         last_text_section if nonnull, otherwise use function_section.
 670         (default_function_rodata_section): Return a section rather than
 671         emitting assembly code.  Use get_section.
 672         (default_no_function_rodata_section): Return a section rather than
 673         emitting assembly code.
 674         (variable_section): Use switch_to_section and get_named_section.
 675         (mergeable_string_section): Return a section rather than emitting
 676         assembly code.  Use get_section.  Make static.  Don't take special
 677         countermeasures for empty strings.
 678         (mergeable_constant_section): Return a section rather than emitting
 679         assembly code.  Use get_section.
 680         (default_named_section_asm_out_destructor): Use switch_to_section
 681         and get_section.
 682         (default_dtor_section_asm_out_destructor): Use switch_to_section.
 683         (default_named_section_asm_out_constructor): Use switch_to_section
 684         and get_section.
 685         (default_ctor_section_asm_out_constructor): Use switch_to_section.
 686         (assemble_start_function): Likewise.  Set last_text_section to
 687         NULL rather than no_section.  Change the type of save_section.
 688         (assemble_zeros, assemble_variable): Use the section flags to detect
 689         whether or not a section is text.
 690         (assemble_static_space): Use switch_to_section.
 691         (assemble_trampoline_template): Likewise.
 692         (output_constant_def_contents): Use switch_to_section and
 693         get_named_section.
 694         (output_constant_pool_1): Use switch_to_section.  Use the section
 695         flags to see whether sections contain mergeable data.
 696         (init_varasm_once): Initialize section_htab instead of in_named_htab.
 697         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
 698         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
 699         whether a section has already been declared.
 700         (default_select_section, default_elf_select_section): Return a
 701         section rather than emitting assembly code.
 702         (default_elf_select_section_1): Likewise.  Use bss_section for
 703         SECCAT_BSS if nonnull.  Use get_named_section.
 704         (default_select_rtx_section): Return a section rather than
 705         emitting assembly code.
 706         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
 707         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
 708         (output_section_asm_op, switch_to_section): New functions.
 709         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
 710         get_named_section.
 711
 712         * doc/tm.texi: Expand the introduction to the sections documentation.
 713         (TRAMPOLINE_SECTION): Document new interface.
 714         (SDATA_SECTION_ASM_OP): Document new macro.
 715         (READONLY_DATA_SECTION): Delete.
 716         (SDATA_SECTION_ASM_OP): Document new macro.
 717         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
 718         (TARGET_ASM_INIT_SECTIONS): Document new hook.
 719         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
 720         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
 721         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
 722
 723 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
 724
 725         * gcc.c (init_gcc_specs): Match braces inside conditionally
 726         compiled strings.
 727
 728 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
 729
 730         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
 731
 732 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
 733
 734         PR C++/24138
 735         * tree.c (integer_all_onesp): Always return true if all bits on.
 736
 737         * testsuite/g++.dg/init/array0.C: New.
 738
 739 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
 740
 741         * doc/md.texi: Adapt to implementation.
 742
 743 2005-12-06  Andreas Schwab  <schwab@suse.de>
 744
 745         * opts.c (decode_options): Fix typo in message.
 746
 747 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
 748
 749         PR other/13873
 750         * longlong.h: Merge PPC tests from upstream.
 751
 752 2005-12-06  Richard Guenther  <rguenther@suse.de>
 753
 754         * fold-const.c (fold_convert): Do not build and fold
 755         CONVERT_EXPR, but always use NOP_EXPR.
 756
 757 2005-12-06  Jan Beulich  <jbeulich@novell.com>
 758
 759         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
 760         __builtin_ia32_paddq and __builtin_ia32_subq.
 761         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
 762         __builtin_ia32_pshufw.
 763         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
 764
 765 2005-12-05  James E Wilson  <wilson@specifix.com>
 766
 767         PR target/24934
 768         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
 769         is set.
 770
 771 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
 772
 773         * print-tree.c (print_node): Ditto.
 774         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
 775         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
 776         before accessing DECL_ARTIFICIAL.
 777         Handle new tag tree codes.
 778         * tree-flow-inline.h (clear_call_clobbered): Update for tag
 779         changes.
 780         (unmodifiable_var_p): Ditto.
 781         * tree-flow.h (mem_tag_kind): Remove.
 782         (struct var_ann_d): Remove mem_tag_kind member.
 783         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
 784         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
 785         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
 786         (group_aliases): Ditto.
 787         (setup_pointers_and_addressables): Ditto.
 788         (is_escape_site): Ditto.
 789         (may_alias_p): Ditto.
 790         (create_tag_raw): New function.
 791         (create_memory_tag): Use it.
 792         (dump_alias_info): Update for tags.
 793         (may_be_aliased): Ditto.
 794         (add_type_alias): Ditto.
 795         (new_type_alias): Ditto.
 796         (create_sft): Ditto.
 797         (create_structure_vars): Ditto.
 798         * tree-ssa-ccp.c (get_default_value): Ditto.
 799         * tree-ssa-operands.c (get_expr_operands): Ditto.
 800         (add_stmt_operand): Ditto.
 801         (add_call_clobber_ops): Remove duplicated condition.
 802         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
 803         tags.
 804         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
 805         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
 806         * tree.c (init_ttree): Update structures for new tree codes.
 807         (tree_code_size): Update sizes for new tree codes.
 808         (make_node_stat): Don't try to set common things on minimal
 809         structures.
 810         (tree_node_structure): Update for tags.
 811         (is_global_var): Ditto.
 812         * tree.def: Add new tree codes.
 813         * tree.h (MTAG_P): New macro.
 814         (TREE_MEMORY_TAG_CHECK): Ditto.
 815         (SSA_VAR_P): Update for tags.
 816         (struct tree_memory_tag): New structure.
 817         (MTAG_GLOBAL): New macro.
 818         (union tree_node): Add memory tag member.
 819         * treestruct.def (TS_MEMORY_TAG): New.
 820
 821 2005-12-05  Dale Johannesen  <dalej@apple.com>
 822
 823         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
 824         what was approved (PR 24323).
 825
 826 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 827
 828         * doc/c-tree.texi (Function Bodies): Remove description of
 829         RETURN_INIT.
 830
 831 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
 832
 833         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
 834         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
 835         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
 836         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
 837         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
 838         __divxc3): Document.
 839
 840 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
 841
 842         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
 843         previous behaviour.
 844         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
 845         hook_bool_void_false.
 846         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
 847         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
 848
 849         * config/darwin.c (machopic_select_section): It's not defined
 850         as weak if it's only marked as weak_import.
 851
 852         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
 853         Prototype.
 854
 855         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
 856         A hidden weak object does bind locally.  Strong linkonce data
 857         counts like any other strong symbol for binding.
 858         (weak_finish_1): Don't specially handle weakrefs, they no longer
 859         arrive here.
 860         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
 861         * c-common.c (handle_alias_attribute): Allow static aliases
 862         of variables.
 863         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
 864         * gthr-dce.h: Make weakrefs static.
 865         * gthr-tpf.h: Likewise.
 866         * gthr-solaris.h: Likewise.
 867         * gthr-posix.h: Likewise.
 868         * gthr-posix95.h: Likewise.
 869         * config/darwin.c (darwin_encode_section_info): static weakref
 870         variables are not necessarily defined in this translation unit.
 871         * doc/extend.texi (Function Attributes): Mention that an alias
 872         attribute creates a definition for the thing it's attached to.
 873         Change the documentation for weakref to say that the thing
 874         it's attached to must be static.
 875
 876         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
 877         we don't go into an infinite loop.
 878
 879 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
 880
 881         * config/rs6000/predicates.md (logical_const_operand): Split
 882         out of logical_operand.
 883         (logical_operand): Use it.
 884         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
 885         logical_const_operand.
 886
 887 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 888
 889         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
 890         and IX86_BUILTIN_CMPNESS.
 891         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
 892         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
 893         * config/i386/i386.md (movti_internal): Correct type attribute.
 894         Simplify mode attribute.
 895         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
 896         Correct type attribute.
 897         (absxf2): Correct operator.
 898         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
 899         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
 900         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
 901         mode attribute.
 902         (sse2_vmsqrtv2df2): Correct mode attribute.
 903
 904 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 905
 906         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
 907         16 bits. Provide insn pattern for this case.
 908
 909 2005-12-05  Jan Beulich  <jbeulich@novell.com>
 910
 911         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
 912         result.
 913         (__popcountDI2): Likewise.
 914
 915 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 916
 917         PR target/25166
 918         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
 919         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
 920         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
 921         functions.
 922
 923 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
 924
 925         * c-typeck.c (null_pointer_constant_p): New function.
 926         (build_conditional_expr, build_c_cast, convert_for_assignment,
 927         build_binary_op): Use it.
 928
 929 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
 930
 931         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
 932         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
 933         CONVERT_EXPR.
 934         (check_function_arguments_recurse): Allow both NOP_EXPR and
 935         CONVERT_EXPR but check conversions preserve precision.
 936         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
 937         but check conversions preserve precision.
 938         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
 939         default case.
 940
 941 2005-12-04  Roger Sayle  <roger@eyesopen.com>
 942
 943         PR c/7776
 944         * common.opt (Wstring-literal-comparison): New command line option.
 945         * c-opts.c (c_common_handle_option): Set it with -Wall.
 946         * c-typeck.c (parser_build_binary_op): Issue warning if either
 947         operand of a comparison operator is a string literal, except for
 948         testing equality or inequality against NULL.
 949
 950         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
 951
 952 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 953
 954         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
 955         of building a NOP_EXPR.
 956         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
 957         NOP_EXPR.
 958         * c-convert.c (convert): Use fold_convert instead of building
 959         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
 960         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
 961         #if 0 code.
 962         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
 963         NOP_EXPR the same as CONVERT_EXPR.
 964         * c-typeck.c (build_function_call): Use fold_convert instead of
 965         building a NOP_EXPR directly.
 966         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
 967
 968 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
 969
 970         PR rtl-optimization/25197
 971         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
 972         have a reg.
 973
 974 2005-12-02  Stuart Hastings  <stuart@apple.com>
 975
 976         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
 977         warning.
 978
 979 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
 980
 981         * c-typeck.c (default_function_array_conversion,
 982         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
 983         (build_conditional_expr): Apply integer_zerop to orig_op1 and
 984         orig_op2.  Don't check them for NOP_EXPR.
 985         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
 986         around integer zero.
 987
 988 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
 989
 990         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
 991         toc_save_offset, toc_size, lr_size.
 992         (rs6000_stack_info): Use memset rather than bss struct copy to init.
 993         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
 994         Adjust for removal of unused rs6000_stack_t fields.
 995         (debug_stack_info): Adjust.
 996         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
 997         first, and don't bother checking for set/inc of lr on sibcalls.
 998         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
 999
1000 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
1001
1002         PR target/25199
1003         * config/i386/i386.md (movqi_1): Only force imovx for alternative
1004         5 if operand 1 is not aligned.  Undo previous constraint change.
1005         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
1006
1007 2005-12-02  Richard Guenther  <rguenther@suse.de>
1008
1009         * tree.h (build): Remove prototype.
1010         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
1011         * tree.c (build): Remove.
1012         (build0_stat): Update comment.
1013
1014 2005-12-02  Richard Guenther  <rguenther@suse.de>
1015
1016         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
1017         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
1018         Likewise.
1019         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
1020         maybe_fold_offset_to_component_ref): Likewise.
1021         * tree-ssa-dom.c (thread_across_edge,
1022         simplify_rhs_and_lookup_avail_expr,
1023         find_equivalent_equality_comparison, record_equivalences_from_stmt):
1024         Likewise.
1025         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
1026         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
1027         lower_try_finally_switch): Likewise.
1028         * tree-if-conv.c (add_to_dst_predicate_list,
1029         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
1030         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
1031         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
1032         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
1033         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
1034         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
1035         gimplify_init_ctor_eval, gimplify_init_constructor,
1036         gimplify_variable_sized_compare, gimplify_boolean_expr,
1037         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
1038         gimplify_expr, gimplify_body, gimplify_function_tree,
1039         force_gimple_operand): Likewise.
1040         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
1041         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
1042         mx_register_decls): Likewise.
1043         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
1044         get_frame_field, finalize_nesting_tree_1): Likewise.
1045         * tree-inline.c (setup_one_parameter): Likewise.
1046         * tree-vect-transform.c (vectorizable_condition): Likewise.
1047         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
1048         Likewise.
1049         * tree-profile.c (tree_gen_edge_profiler): Likewise.
1050         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
1051         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
1052         * tree-chrec.h (build_polynomial_chrec): Likewise.
1053
1054 2005-12-02  Richard Guenther  <rguenther@suse.de>
1055
1056         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
1057         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
1058         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
1059         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
1060         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
1061         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1062         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
1063         Likewise.
1064         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
1065         sh_adjust_unroll_max): Likewise.
1066         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
1067         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
1068         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
1069         Likewise.
1070         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
1071         Likewise.
1072         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
1073         Likewise.
1074
1075 2005-12-02  Richard Guenther  <rguenther@suse.de>
1076
1077         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
1078         simplify_cond_using_ranges): Use buildN instead of build.
1079         * tree-tailcall.c (adjust_accumulator_values,
1080         adjust_return_value): Likewise.
1081         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
1082         generate_element_copy, generate_element_zero,
1083         generate_one_element_init): Likewise.
1084         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
1085         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
1086         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
1087         perfect_nestify): Likewise.
1088
1089 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1090
1091         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
1092
1093 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1094
1095         * ggc.h (GGC_RESIZEVEC): New.
1096
1097 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1098
1099         * gcc.c (execute): Improve readability.
1100
1101 2005-12-02  Richard Guenther  <rguenther@suse.de>
1102
1103         * tree-cfg.c (mark_used_vars): New function.
1104         (dump_function_to_file): Dump only used VAR_DECLs.
1105
1106 2005-12-02  Richard Guenther  <rguenther@suse.de>
1107
1108         * convert.c (convert_to_integer): Fix compare for nonpositive
1109         constant to use tree_int_cst_sgn <= 0.
1110
1111 2005-12-02  Richard Guenther  <rguenther@suse.de>
1112
1113         * convert.c (convert_to_integer): Use fold_convert instead
1114         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
1115         instead of comparing against 0.  Use build_int_cst instead
1116         of converting integer_zero_node.
1117
1118 2005-12-02  Richard Guenther  <rguenther@suse.de>
1119
1120         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
1121         and RROTATE_EXPR.
1122
1123 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1124
1125         PR target/21017
1126         * combine.c (simplify_logical <IOR>): Simplify more patterns to
1127         rotates.
1128
1129 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1130
1131         PR middle-end/25176
1132         * function.c (expand_function_end): Emit blockage for unwinder
1133         after return label.
1134
1135 2005-12-01  Roger Sayle  <roger@eyesopen.com>
1136
1137         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
1138         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
1139         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
1140         integer constant comparisons.
1141
1142 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
1143             Janis Johnson  <janis187@us.ibm.com>
1144             David Edelsohn  <dje@watson.ibm.com>
1145             Ben Elliston  <bje@au.ibm.com>
1146
1147         * dfp.h, dfp.c: New files.
1148         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
1149         (DECNUM_H): Likewise.
1150         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
1151         (INCLUDES): Append $(DECNUMINC).
1152         (OBJS-common): Add dfp.o.
1153         (dfp.o): New rule.
1154         * real.h (EXP_BITS): Pinch one bit to ..
1155         (struct real_value): Add decimal field.
1156         (real_format): Change table size, update documentation.
1157         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
1158         (real_from_string3): Declare.
1159         (decimal_single_format): Declare.
1160         (decimal_double_format): Declare.
1161         (decimal_quad_format): Declare.
1162         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
1163         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
1164         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
1165         * real.c: Include dfp.h.
1166         (normalize): Early return for decimal floats.
1167         (do_add): Zero decimal field.
1168         (do_compare): Call do_decimal_compare for decimal floats.
1169         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
1170         (real_arithmetic): Call decimal_real_arithmetic for decimal
1171         floating point operands.
1172         (real_identical): If a and b are of differing radix, return false.
1173         (real_to_integer): Call decimal_real_to_integer if the value is a
1174         decimal float.
1175         (real_to_integer2): Likewise, call decimal_real_to_integer2.
1176         (real_to_decimal): Likewise, call decimal_real_to_decimal.
1177         (real_to_hexadecimal): Place "N/A" in the return string for
1178         decimal float.
1179         (real_from_string3): New variant, given a mode.
1180         (real_maxval): Use decimal_real_maxval for decimal floats.
1181         (round_for_format): Use decimal_round_for_format for decimals.
1182         (real_convert): Use decimal_real_convert where appropriate.
1183         (significand_size): Handle base 10.
1184         (encode_decimal_single, decode_decimal_single,
1185         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
1186         decode_decimal_quad): New functions.
1187         (decimal_single_format): New.
1188         (decimal_double_format): New.
1189         (decimal_quad_format): New.
1190         * machmode.def: Add SD, DD and TD decimal floating point modes.
1191         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
1192         Include MODE_DECIMAL_FLOAT.
1193         (DECIMAL_FLOAT_MODE_P): New.
1194         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
1195         * genmodes.c (struct mode_data): Add counter field.
1196         (struct mode_data): Update comment for format.
1197         (blank_mode): Initialise counter field.
1198         (new_mode): Increment counter field for each mode defined.
1199         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
1200         using a format.
1201         (make_complex_modes): Handle modes containing `D'.
1202         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
1203         (make_decimal_float_mode): New.
1204         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
1205         (cmp_modes): Compare counter field if other characteristics
1206         similar.
1207         (emit_real_format_for_mode): Support formats for decimal floats.
1208         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
1209         Document MODE_DECIMAL_FLOAT.
1210
1211 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
1212
1213         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
1214         Delete dead code.
1215
1216 2005-12-01  Richard Henderson  <rth@redhat.com>
1217
1218         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
1219
1220 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1221
1222         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
1223
1224         * config/pa/pa.c (pa_init_builtins): If we detect
1225         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
1226         putc_unlocked.
1227
1228 2005-12-01  Richard Guenther  <rguenther@suse.de>
1229
1230         * fold-const.c (fold_binary): Use fold_build2, not
1231         fold (build (...)).
1232
1233 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
1234
1235         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
1236
1237         * vec.h (VEC_block_remove): New.
1238
1239 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1240
1241         PR c/13384
1242         * c-common.c (lvalue_error): Fix wording.
1243
1244 2005-12-01  Richard Guenther  <rguenther@suse.de>
1245
1246         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
1247         thinko in last patch.
1248
1249 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
1250
1251         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
1252         than -flat_namespace.
1253
1254 2005-12-01  Ben Elliston  <bje@au.ibm.com>
1255
1256         * mklibgcc.in: Parameterise the script to build soft float
1257         functions by iterating over each type, rather than cloning the
1258         code for each type.
1259
1260 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1261
1262         PR middle-end/25158
1263         * builtins.c (fold_builtin_fputs): Defer check for missing
1264         replacement functions.
1265
1266 2005-11-30  Kean Johnston  <jkj@sco.com>
1267
1268         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
1269         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
1270
1271 2005-11-30  Richard Guenther  <rguenther@suse.de>
1272
1273         PR tree-optimization/22501
1274         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1275         function split out from ...
1276         (forward_propagate_addr_expr): ... here.  Use it to propagate
1277         ADDR_EXPRs to all uses.
1278
1279 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1280
1281         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
1282         * builtins.c (expand_builtin_mathfn): Use them.
1283         (expand_builtin_mathfn_2): Likewise.
1284         (expand_builtin_mathfn_3): Likewise.
1285         (expand_builtin_int_roundingfn): Likewise.
1286         (expand_builtin): Likewise.
1287         (integer_valued_real_p): Likewise.
1288         (fold_builtin_int_roundingfn): Likewise.
1289         (fold_builtin_bitop): Likewise.
1290         (fold_builtin_logarithm): Likewise.
1291         (fold_builtin_1): Likewise.
1292         * convert.c (convert_to_integer): Likewise.
1293         * fold-const.c (negate_mathfn_p): Likewise.
1294         (tree_expr_nonnegative_p): Likewise.
1295
1296 2005-11-30  Dale Johannesen  <dalej@apple.com>
1297             Andrew Pinski  <pinskia@physics.uc.edu>
1298
1299         * combine.c (find_split_point):  Sign extend bitmask
1300         when changing bitfield assignment to IOR of AND.
1301
1302 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1303
1304         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
1305         clobber to scratch reg.
1306         (*decrement_and_branch_until_zero_no_clobber): Remove.
1307         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
1308         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
1309         * config/ms1/ms1.opt (mmul): Remove.
1310         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
1311         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
1312
1313 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1314             Bernd Schmidt  <bernd.schmidt@analog.com>
1315
1316         * pa/predicates.md (symbolic_operand): Add comment.
1317         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
1318         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
1319         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
1320         (pa_secondary_reload_class): Delete.
1321         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
1322         and pa_secondary_reload_class.  Reorder some checks.  Update inline
1323         copy of symbolic operand.
1324         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
1325
1326 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
1327
1328         * loop-doloop.c (add_test): Only add jump notes if we did emit a
1329         jump.
1330
1331 2005-11-30  Jeff Law  <law@redhat.com>
1332
1333         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
1334         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
1335
1336 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
1337
1338         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
1339         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
1340         (ia64_expand_move): Adjust caller.
1341
1342         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
1343         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
1344         negate VAL.
1345
1346 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
1347
1348         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
1349         Always produce an output if we can remove NEGs or canonicalize
1350         (minus (minus ...)) expressions.  Provide a fast path for the
1351         two-operand case.
1352         (simplify_gen_binary): Do not call simplify_plus_minus.
1353         (simplify_binary_operation_1): Reassociate at the end of the
1354         function.
1355
1356 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
1357
1358         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
1359         moves and unpack to speed up.
1360
1361 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
1362
1363         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
1364         argument, they are always sparc_compare_op0 and sparc_compare_op1.
1365         (gen_v9_scc): Update callers.
1366         * config/sparc/sparc.md: Likewise.
1367         * config/sparc/sparc-protos.h: Update extern declaration.
1368
1369         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
1370
1371 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1372
1373         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
1374         the if.
1375
1376 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
1377
1378         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
1379         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
1380         (negate_expr): Here.
1381
1382 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1383
1384         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
1385         Fix typo in comment.
1386
1387 2005-11-29  Ben Elliston  <bje@au.ibm.com>
1388
1389         * Makefile.in (clean-target): Depend on clean-target-libgcc.
1390         (clean-target-libgcc): Import rule from the top-level Makefile.in.
1391
1392 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1393
1394         PR middle-end/20109
1395         PR middle-end/25120
1396         * builtins.c (init_target_chars): New.
1397         (expand_builtin_printf, expand_builtin_fprintf,
1398         expand_builtin_sprintf, fold_builtin_sprintf,
1399         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
1400         fold_builtin_snprintf_chk, fold_builtin_printf,
1401         fold_builtin_fprintf): Check for matching format strings using
1402         the target charset.
1403
1404 2005-11-29  Paul Brook  <paul@codesourcery.com>
1405
1406         * config.gcc: Do not use fixproto on m68k-elf.
1407
1408 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1409
1410         * expmed.c (div_cost): Replace with...
1411         (sdiv_cost, udiv_cost): New.
1412         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
1413         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
1414         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
1415         (expand_divmod): Replace use of div_cost with either sdiv_cost
1416         or udiv_cost depending upon the signedness of the operation.
1417
1418 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1419
1420         PR libfortran/24991
1421         * config/darwin.c (machopic_indirection_name,
1422         machopic_output_indirection): Follow transparent alias chain.
1423
1424 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
1425
1426         * varasm.c (ultimate_transparent_alias_target): Add comment.
1427
1428 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
1429
1430         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
1431         SET_SRC instead of XEXP where appropriate.
1432
1433 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1434
1435         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
1436         __builtin_expect.
1437
1438 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
1439
1440         * config/fp-bit.h (LSHIFT): Take shift count parameter.
1441         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
1442         bit at a time.
1443
1444 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
1445
1446         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
1447         secondary_input_reload_class, made static.  Adapt to new
1448         infrastructure.
1449         (secondary_output_reload_class): Delete.
1450         (TARGET_SECONDARY_RELOAD): New macro.
1451         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
1452         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
1453
1454 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
1455
1456         PR c++/21166
1457         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
1458         when its natural alignment is > BITS_PER_UNIT.
1459         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
1460         * c-common.c (handle_packed_attribute): Ignore packing on a field
1461         whose type is naturally char aligned.
1462
1463 2005-11-28  Richard Guenther  <rguenther@suse.de>
1464
1465         * c-common.c (strict_aliasing_warning): Handle all
1466         component-ref like accesses.
1467
1468 2005-11-28  Roger Sayle  <roger@eyesopen.com>
1469             Uros Bizjak  <uros@kss-loka.si>
1470
1471         PR middle-end/20219
1472         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
1473         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
1474         when flag_unsafe_math_optimizations is set and
1475         we don't care about NaNs or Infinities.
1476
1477         Move x/expN(y) and x/pow(y,z) transformation into common
1478         flag_unsafe_math_optimizations section.
1479
1480 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
1481
1482         * gcc.c (main): Change type of argv to "char **".
1483
1484 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1485
1486         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
1487         small data sections.
1488         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
1489         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
1490         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
1491         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
1492         output locals to sbss if !rs6000_elf_in_small_data_p.
1493         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
1494
1495 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
1496
1497         PR target/24997
1498         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
1499         generated by reload.
1500         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
1501         indexed_or_indirect_address.
1502         (indexed_or_indirect_address): Don't test for base reg.  Call
1503         address_operand last.  Make it a special predicate.
1504
1505 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
1506
1507         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
1508
1509 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
1510
1511         PR middle-end/24575
1512         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
1513         is undefined.
1514         (negate_expr): Likewise.
1515
1516 2005-11-27  Andreas Schwab  <schwab@suse.de>
1517
1518         * config/m68k/m68k.c: Reindent and fix whitespace, remove
1519         redundant parens.
1520
1521 2005-11-27  Steven Bosscher  <stevenb@suse.de>
1522
1523         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
1524         has EH predecessor edges.
1525
1526 2005-11-26  Eric Christopher  <echristo@apple.com>
1527
1528         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
1529         register stalls by zero extending to the full register.
1530
1531 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
1532
1533         * config/floatunsisf.c, config/floatunsidf.c,
1534         config/floatunsixf.c, config/floatunsitf.c: New files.
1535         * config/ia64/t-hpux: Add floatunsitf.c.
1536         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1537         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
1538
1539 2005-11-26  Richard Henderson  <rth@redhat.com>
1540
1541         * c-lex.c (pragma_lex): Rename from c_lex.
1542         * c-pch.c: Update for pragma_lex rename.
1543         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
1544         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
1545         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
1546         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
1547         * doc/tm.texi: Likewise.
1548
1549 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
1550
1551         PR middle-end/23669
1552         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
1553         when overflow is undefined.
1554
1555 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
1556
1557         * doc/md.texi (Insn Canonicalizations): Refer to the
1558         function commutative_operand_precedence for further rules.
1559
1560 2005-11-25  Roger Sayle  <roger@eyesopen.com>
1561
1562         PR middle-end/21309
1563         * expmed.c (choose_mult_variant): Return immediately when mult_cost
1564         is less than zero.  Limit mult_cost to a reasonable upper bound for
1565         the synthetic multiplication sequence.
1566
1567 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1568
1569         PR middle-end/25022
1570         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
1571         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
1572         Lookup the explicit replacement functions for any unlocked
1573         stdio builtin transformations.
1574
1575 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
1576
1577         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
1578         earlyclobber.
1579         * targhooks.c (default_secondary_reload): Don't require operand 2
1580         for an input reload to be earlyclobber.
1581
1582 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1583
1584         * fold-const.c (negate_mathfn_p): Fix comment and add support
1585         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
1586         BUILT_IN_ATANH.
1587
1588 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1589
1590         PR middle-end/24998
1591         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
1592         _Q_ulltoq for unsigned conversions from SImode and DImode to
1593         TFmode.
1594
1595 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
1596
1597         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
1598         (__floatundidf, __floatundisf): Likewise.
1599
1600 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
1601
1602         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
1603         (rs6000_override_options): Remove initialization of
1604         rs6000_sr_alias_set.
1605         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
1606         (rs6000_emit_stack_tie): Same.
1607         (emit_frame_save): Same.
1608         (gen_frame_mem_offset): Same.
1609         (rs6000_emit_prologue): Same.
1610         (rs6000_emit_epilogue): Same.
1611
1612 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1613
1614         PR middle-end/24989
1615         * fold-const.c (fold_build): Convert bool_var != 1 and
1616         bool_var == 0 to !bool_var.
1617
1618 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
1619
1620         PR middle-end/24990
1621         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
1622         for C being INTEGER_CST.  Likewise for !=.
1623
1624 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
1625
1626         PR middle-end/24998
1627         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
1628         unsigned conversions from SImode to TFmode.
1629
1630 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
1631
1632         * expr.c (expand_expr_real_1): Fix error in last change.
1633
1634 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1635
1636         * caller-save.c: (this_insn_sets): Move into:
1637         (save_call_clobbered_regs).
1638         (mark_set_regs): Get this_insn_sets from data.
1639
1640         (save_call_clobbered_regs): Take sets of the return value by
1641         sibcalls into account.
1642
1643 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
1644         PR target/21623:
1645
1646         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
1647         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
1648         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
1649         (memory_move_secondary_cost, init_reg_autoinc): Remove
1650         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
1651         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
1652         secondary_reload_class call.
1653         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
1654         callers.
1655         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
1656         (push_secondary_reload): Use secondary_reload target hook.
1657         (secondary_reload_class, scratch_reload_class): New functions.
1658         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
1659         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
1660         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
1661         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
1662         (secondary_reload_class, scratch_reload_class): Declare.
1663         * reload1.c: Include target.h.
1664         (reload_adjust_reg_for_temp): New function.
1665         (reload_adjust_reg_for_icode): Likewise.
1666         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
1667         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
1668         call.
1669         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
1670         for inheritance.  Support case when both secondary & tertiary reloads
1671         are for intermediate registers.
1672         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
1673         with secondary_reload_class call.  Support case when both secondary
1674         & tertiary reloads are for intermediate registers.
1675         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
1676         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
1677         * target.h (secondary_reload_info): New struct / typedef.
1678         (struct gcc_target): New member secondary_reload.
1679         * targhooks.c Include reload.h, optabs.h and recog.h.
1680         (default_secondary_reload): New function.
1681         * targhooks.h (default_secondary_reload): Declare.
1682         * doc/tm.texi: Document secondary_reload target hook.  Update
1683         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
1684         * doc/md.texi: Likewise.
1685
1686         * sh-protos.h (sh_secondary_reload): Declare.
1687         * sh.c (TARGET_SECONDARY_RELOAD): Override.
1688         (sh_secondary_reload): New function.
1689         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
1690         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1691         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
1692         (HAVE_SECONDARY_RELOADS): Define.
1693         * sh.md (reload_indf): Rename to:
1694         (reload_indf__frn).
1695         (reload_outdf): Rename to:
1696         (reload_outdf__RnFRm).
1697         (reload_insf): Rename to:
1698         (reload_insf__frn).
1699         (reload_insi): Rename to:
1700         (reload_insi__i_fpul).
1701
1702 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
1703
1704         * configure.ac: Require at least texinfo 4.4.
1705         * configure: Regenerate.
1706
1707         * doc/install.texi (Tools/packages necessary for building GCC):
1708         Update required version of texinfo to at least 4.4.
1709         (Installing GCC: Building): Update required version of texinfo
1710         to at least 4.4.
1711         (Installing GCC: Final installation): Update required version
1712         of texi2dvi to at least 4.4.
1713         (Host/target specific installation notes for GCC): Update required
1714         version of texinfo to at least 4.4.
1715
1716 2005-11-24  Richard Guenther  <rguenther@suse.de>
1717         Dirk Mueller <dmueller@suse.de>
1718
1719         PR c++/14024
1720         * c-common.h (strict_aliasing_warning): Declare.
1721         * c-common.c (strict_aliasing_warning): New function,
1722         split out from ...
1723         * c-typeck.c (build_c_cast): ... here.
1724
1725 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1726
1727         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1728         to order operands.
1729         (swap_commutative_operands_with_target): New.
1730
1731 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
1732
1733         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
1734         also when doing PRE, rather than only for global CPROP.
1735
1736 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1737
1738         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
1739         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
1740         formatting.
1741         (expand_twoval_unop): Likewise.
1742         (widen_clz): Likewise.
1743         (expand_parity): Likewise.
1744         (expand_unop): Likewise.
1745         (emit_cmp_and_jmp_insn_1): Likewise.
1746         (prepare_float_lib_cmp): Likewise.
1747
1748 2005-11-24  Ben Elliston  <bje@au.ibm.com>
1749
1750         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
1751         Remove unused `class' variable.
1752
1753 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1754
1755         PR c++/21667
1756         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
1757         C/C++ diagnostic function warn_array_subscript_with_type_char.
1758         * c-common.h (warn_array_subscript_with_type_char): Declare.
1759         * c-common.c (warn_array_subscript_with_type_char): Define.
1760
1761 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1762
1763         PR c/21668
1764         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
1765         compiling at the intersection of C and C++.
1766
1767 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
1768
1769         * doc/invoke.texi: For man pages, include gcc-vers.texi.
1770         List @file in the option summary.  Include the libiberty
1771         documentation for @file.
1772         * gcc.c (main): Call expandargv.
1773         * Makefile.in (gcc-vers.texi): Define srcdir.
1774
1775 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
1776
1777         * passes.c (init_optimization_passes): Document
1778         sequencing of passes.
1779
1780 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
1781
1782         * config/m68k/predicates.md (pcrel_address, extend_operator,
1783         post_inc_operand, pre_dec_operand): Remove redundant
1784         conditionals.
1785         (const_uint32_operand, const_sint32_operand): Use gcc_assert
1786         instead of abort.
1787         (valid_dbcc_comparison_p): Rewrite in the lisp style.
1788
1789 2005-11-23  Ben Elliston  <bje@au.ibm.com>
1790
1791         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
1792
1793 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
1794
1795         Preparatory work for PR target/21623:
1796         * alpha.c (secondary_reload_class): Rename to:
1797         (alpha_secondary_reload_class).
1798         * alpha.h, alpha-protos.h: Likewise.
1799         * mn10300.c (secondary_reload_class): Rename to:
1800         (mn10300_secondary_reload_class).
1801         * mn10300.h, mn10300-protos.h: Likewise.
1802         * pa.c (secondary_reload_class): Rename to:
1803         (pa_secondary_reload_class).
1804         * pa.h, pa-protos.h: Likewise.
1805         * rs6000.c (secondary_reload_class): Rename to:
1806         rs6000_secondary_reload_class.
1807         * rs6000.h, rs6000-protos.h: Likewise.
1808
1809 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
1810
1811         PR middle-end/22561
1812         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
1813
1814 2005-11-22  Ian Lance Taylor  <ian@airs.com>
1815
1816         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
1817         a mode_class.
1818         (prepare_cmp_insn): Likewise.
1819
1820 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
1821
1822         PR target/23435
1823         * m68k.md (zero_extendsidi2): Force operands[1] to a register
1824         if both operands[0] and operands[1] are memory.
1825
1826 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1827
1828         PR middle-end/23606
1829         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1830         COMPARISON_CLASS_P and an integral types create create a new
1831         expression with the new type and fold that.
1832
1833 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
1834
1835         PR target/24988
1836         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1837         to SUBTARGET_OS_CPP_BUILTINS.
1838
1839 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
1840
1841         * arm.c (emit_set_insn): New function.
1842         (arm_split_constant): Call it.
1843         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1844         (arm_legitimize_address): Likewise.  Use plus_constant.
1845         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
1846         (thumb_expand_prologue): Likewise.
1847         (arm_gen_load_multiple): Use VOIDmode in SET.
1848         (arm_gen_store_multiple): Likewise.
1849         (vfp_emit_fstmx): Likewise.  Use plus_constant.
1850         (emit_multi_reg_push): Likewise.
1851         (emit_sfm): Use plus_constant.
1852
1853 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
1854
1855         PR target/24954
1856         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1857         typo last change.
1858
1859 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1860
1861         PR middle-end/24950
1862         * expmed.c (store_bit_field): Don't attempt to insv a field
1863         larger than the reg.
1864
1865 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
1866
1867         PR target/24954
1868         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1869         explicit sign extension, not a (char) cast.
1870
1871 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1872
1873         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1874         GET_MODE_CLASS (x) == MODE_FLOAT.
1875         * config/i386/i386.c: Likewise.
1876         * config/rs6000/xcoff.h: Likewise.
1877         * config/rs6000/linux64.h: Likewise.
1878         * config/rs6000/rs6000.c: Likewise.
1879         * config/rs6000/rs6000.h: Likewise.
1880         * config/rs6000/predicates.md: Likewise.
1881         * config/rs6000/sysv4.h: Likewise.
1882
1883 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1884
1885         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1886         flag_pic is set.
1887
1888         * config/alpha/freebsd.h, config/alpha/linux.h,
1889         config/arm/linux-elf.h, config/bfin/bfin.h,
1890         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1891         config/i386/beos-elf.h, config/i386/gnu.h,
1892         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1893         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1894         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1895         config/rs6000/linux64.h, config/rs6000/sysv4.h,
1896         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1897         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1898         config/sparc/linux.h, config/sparc/linux64.h,
1899         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1900
1901         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1902         are both defined when either flag -fpic or -fPIC are used.
1903
1904 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1905
1906         * config/fp-bit.c (clzusi): New function.
1907         (si_to_float, usi_to_float): Use it to compute proper shift.
1908         (usi_to_float): Preserve guard bits when shifting right.
1909         * libgcc-std.ver (GCC_4.2.0): New version.
1910         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1911         __floatundisf): New functions.
1912         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1913         __floatundisf): Declare.
1914         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1915         _floatundixf, and _floatunditf.
1916         * optabs.c (expand_float): If target does not define a pattern for
1917         signed or unsigned conversion, use an unsigned libcall instead of
1918         a signed one.
1919         (init_optabs): Initialize ufloat_optab.
1920
1921 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
1922
1923         * config/rs6000/rs6000.opt (mmulhw): New option.
1924         * doc/invoke.texi (-mmulhw): Document.
1925         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1926         for 405 and 440.
1927         * config/rs6000/rs6000.md: Add half-word multiply and
1928         multiply-accumulate instructions for 405 and 440.
1929
1930 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
1931
1932         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1933         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
1934         default now includes a linker group which makes the RTEMS one nest.
1935
1936 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1937
1938         * cse.c (fold_rtx): Typo fix.
1939         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1940
1941 2005-11-21  Richard Henderson  <rth@redhat.com>
1942
1943         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1944         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1945
1946         * c-tree.h (lookup_name): Move declaration ...
1947         * c-common.h (lookup_name): ... here.
1948         * config/darwin-c.c: Include c-common.h.
1949         * config/t-darwin: Update dependencies.
1950
1951 2005-11-22  Ben Elliston  <bje@au.ibm.com>
1952
1953         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1954         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1955         * genopinit.c (gen_insn): Likewise.
1956         * reload.c (find_equiv_reg): Likewise.
1957         * loop.c (load_mems): Likewise.
1958         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1959         * cse.c (find_comparison_args, fold_rtx): Likewise.
1960         * dwarf2out.c (add_const_value_attribute): Likewise.
1961         * expr.c (convert_move): Likewise.
1962         * recog.c (general_operand, register_operand): Likewise.
1963         * reg-stack.c (replace_reg): Likewise.
1964         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1965         * c-common.c (handle_vector_size_attribute): Likewise.
1966         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1967         (simplify_binary_operation_1): Likewise.
1968         (simplify_const_binary_operation): Likewise.
1969         (simplify_relational_operation): Likewise.
1970         (simplify_const_relational_operation): Likewise.
1971         (simplify_immed_subreg): Likewise.
1972         * emit-rtl.c (gen_lowpart_common): Likewise.
1973         * expmed.c (expand_mult): Likewise.
1974         * stor-layout.c (layout_type): Likewise.
1975
1976 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
1977
1978         PR target/24951
1979         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1980         cst2 only for SPE vectors.
1981
1982 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
1983
1984         PR target/24953
1985         * config/rs6000/predicates.md (vrsave_operation): Check
1986         UNSPEC_VOLATILE value.
1987
1988 2005-11-21  Jan Hubicka  <jh@suse.cz>
1989
1990         PR tree-optimization/24653
1991         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1992
1993 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
1994
1995         * config/i386/predicates.md (ax_reg_operand): New predicate.
1996         (memory_displacement_only_operand): New predicate.
1997         * config/i386/i386.md ("modrm" attribute): Return 0 if one
1998         operand is AX register and the other operand is memory operand
1999         with displacement only.
2000
2001 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
2002
2003         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
2004         if we don't care about NaNs or Infinities.
2005
2006 2005-11-20  Ian Lance Taylor  <ian@airs.com>
2007
2008         PR rtl-optimization/24883
2009         * combine.c (combinable_i3pat): When checking whether the
2010         destination of i3 is used in i3, consider paradoxical subregs.
2011
2012 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
2013
2014         PR middle-end/20583
2015         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
2016
2017 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
2018
2019         * combine.c (try_combine): Do not run subst on i1src and i2src in
2020         the case of generating a PARALLEL for a comparison.
2021
2022 2005-11-20  Richard Henderson  <rth@redhat.com>
2023
2024         PR 24931
2025         * tree-sra.c (struct sra_elt): Add all_no_warning.
2026         (struct sra_walk_fns) <use>: Add use_all argument.
2027         (sra_walk_expr): Pass it.
2028         (sra_walk_modify_expr): Likewise.
2029         (scalarize_ldst): Likewise.
2030         (scan_use): Update for new argument.
2031         (mark_no_warning): New.
2032         (scalarize_use): Use it.
2033
2034 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2035
2036         * expr.c (expand_expr_real): Use usmul_optab for widening
2037         signed * unsigned multiplies.
2038         * genopinit.c (optabs): Add usmul_widen_optab.
2039         * optabs.c (init_optabs): Likewise.
2040         * optabs.h (enum optab_index): Add OTI_usmul_widen.
2041         (usmul_widen_optab): Define.
2042         * config/bfin/bfin.md (usmulhisi3): New pattern.
2043
2044         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
2045
2046 2005-11-20  Graham Stott <btinternet.com>
2047
2048         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
2049
2050 2005-11-20  Andreas Schwab  <schwab@suse.de>
2051
2052         PR target/24757
2053         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
2054         insn.
2055
2056 2005-11-19  Richard Henderson  <rth@redhat.com>
2057
2058         PR tree-opt/24665
2059         * tree-gimple.c (is_gimple_id): Export.
2060         * tree-gimple.h (is_gimple_id): Declare.
2061         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
2062         (get_default_value): Use it.
2063         (maybe_fold_stmt_indirect): Likewise.
2064
2065 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
2066
2067         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
2068         than VR1 or vice-versa.
2069
2070 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
2071
2072         PR middle-end/24912
2073         PR middle-end/24750
2074         * reload.c (find_reloads_address_1): Mention dependency on
2075         gen_reload.
2076         * reload1.c (gen_reload): For IN with an unary operation, try
2077         moving inner expression to OUT if trivial SET is not valid.
2078         Confirm that the result is valid.  Move common code block into...
2079         (emit_insn_if_valid_for_reload): New function.
2080
2081 2005-11-19  Richard Guenther  <rguenther@suse.de>
2082
2083         * fold-const.c (fold_indirect_ref_1): Make sure we fold
2084         ARRAY_REFs of constant strings.
2085
2086 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
2087
2088         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
2089         fatal format string.
2090
2091 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
2092
2093         * combine.c (make_compound_operation): Swap operands of
2094         commutative operation if necessary before returning.
2095
2096 2005-11-19  Richard Guenther  <rguenther@suse.de>
2097
2098         PR middle-end/23294
2099         * fold-const.c (fold_plusminus_mult_expr): New function.
2100         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
2101         cases, remove now unnecessary code.
2102
2103 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
2104
2105         * gensupport.c (old_preds): Rename to std_preds, add special field.
2106         (struct old_pred_table): Rename to struct std_pred_table, add special
2107         field.
2108         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
2109         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
2110         (init_predicate_table): Adjust, and set along the way whether a
2111         predicate is special.
2112
2113 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
2114
2115         * BASE-VER: Change to 4.2.0.
2116
2117 2005-11-18  James E Wilson  <wilson@specifix.com>
2118
2119         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
2120         returning it.
2121
2122 2005-11-18  Mike Stump  <mrs@apple.com>
2123
2124         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
2125         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2126         * c-decl.c (lookup_name_two) Remove.
2127         * c-tree.h (lookup_name_two): Remove.
2128         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
2129         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
2130         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
2131         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
2132
2133 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
2134
2135         PR target/24914
2136         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
2137         when not generating code to use that co-processor.
2138
2139 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
2140
2141         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
2142         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
2143         these functions are now in tree-phinodes.c.
2144
2145 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
2146
2147         * config/bfin/bfin.md (trap): New pattern.
2148
2149 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2150
2151         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
2152         on types.
2153
2154         * expr.c (expand_expr_real): Don't call record_block_change unless
2155         ib_boundaries_block is non-null
2156
2157         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
2158
2159         * fold-const.c (build_range_check): Use proper type for subtraction
2160         when merging lower bound.
2161
2162 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2163
2164         PR rtl-optimization/24497
2165         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
2166         the copied insn.
2167
2168 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
2169
2170         * tree-scalar-evolution.c (expression_expensive_p): New function.
2171         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
2172
2173 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2174
2175         * config/bfin/crtlibid.s: New file.
2176
2177 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2178
2179         PR target/24348
2180         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
2181         when not using sjlj exceptions.
2182         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
2183         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
2184         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
2185         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
2186         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
2187         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
2188         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
2189         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
2190         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
2191         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
2192         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
2193         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
2194         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
2195         defines.
2196         * config/pa/hpux-unwind.h: New file.
2197
2198 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
2199
2200         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
2201         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
2202         * varasm.c (do_assemble_alias): Adjust call.
2203         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
2204         is defined.
2205         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
2206
2207 2005-11-17  James E Wilson  <wilson@specifix.com>
2208
2209         * tree.def (FUNCTION_DECL): Correct typo in comment.
2210
2211 2005-11-17  Richard Henderson  <rth@redhat.com>
2212
2213         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
2214         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
2215         and DW_CFA_def_cfa_sf.
2216         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
2217         (dbx_reg_number): Don't assert particular registers here.
2218         (based_loc_descr): ... do it here instead.  Fold in ...
2219         (eliminate_reg_to_offset): ... this function.
2220         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
2221         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
2222         * unwind-dw2.c (execute_cfa_program): Apply data align factor
2223         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
2224         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
2225         (instantiate_virtual_regs): Likewise.
2226         * var-tracking.c (adjust_stack_reference): Likewise.
2227         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
2228
2229 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
2230
2231         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
2232         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
2233         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
2234         crtlibid.o.
2235         ($(T)crtlibid.o): New rule.
2236
2237 2005-11-16  Richard Guenther  <rguenther@suse.de>
2238
2239         PR middle-end/24851
2240         * fold-const.c (extract_array_ref): Return byte offset
2241         in all cases.
2242         (fold_binary): Fold &x[a] CMP &x[b] to
2243         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
2244         behavior.
2245
2246 2005-11-16  Richard Henderson  <rth@redhat.com>
2247
2248         PR middle-end/23497
2249         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
2250         parts of an SSA_NAME.
2251
2252 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
2253
2254         PR target/24861
2255         * arm.md (split for movsf with immediate): Restrict split to insns
2256         that set a general register.
2257
2258 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2259
2260         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
2261         uw_update_context.
2262         * unwind-dw2.c (uw_advance_context): Likewise.
2263         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
2264         _Unwind_SjLj_Unregister.
2265         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
2266
2267 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2268
2269         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
2270
2271 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2272
2273         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
2274         langhook to get a DImode integer type.
2275
2276 2005-11-16  Richard Henderson  <rth@redhat.com>
2277             J"orn Rennecke <joern.rennecke@st.com>
2278             Ulrich Weigand  <uweigand@de.ibm.com>
2279
2280         PR rtl-opt/24160
2281         PR target/24621
2282         * reload1.c (reg_equiv_invariant): New.
2283         (reload): Allocate, initialize, and free it.
2284         (calculate_needs_all_insns): Check it when skipping equivalence
2285         setting insns.
2286         (alter_reg): Likewise.
2287         (eliminate_regs_1): Rename from eliminate_regs.  Add new
2288         may_use_invariant argument; only use reg_equiv_invariant when true.
2289         (eliminate_regs): New.
2290         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
2291         a context for which may_use_invariant may be true.
2292
2293 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
2294
2295         * fold-const.c (const_binop): Don't constant fold the operation
2296         if the result has overflowed and flag_trapping_math.
2297         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2298
2299 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
2300
2301         * config/arm/unwind-arm.c (abort): Add prototype here.
2302         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
2303         (struct phase1_vrs): Add prev_sp.
2304         (unwind_phase2_forced): Save the original core registers instead of
2305         modifying entry_vrs.  Take a new flag argument for resuming unwinding
2306         and set action flags accordingly.  Always set _US_END_OF_STACK when
2307         get_eit_entry fails.  Unwind before calling the stop function.
2308         (_Unwind_GetCFA): New function.
2309         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
2310         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
2311         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
2312         just call unwind_phase2_forced.
2313         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
2314         * config/arm/unwind-arm.h (abort): Remove prototype.
2315         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
2316         prototypes.
2317         (_Unwind_GetCFA): New prototype.
2318         * config/arm/pr-support.c (abort): Add prototype here.
2319         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
2320         forced unwinding.
2321         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
2322         not schedule the prologue with non-call exceptions and EABI.
2323
2324 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
2325
2326         * config/arm/unwind-arm.h: Reorder interface function declarations.
2327         (_URC_END_OF_STACK): New enumeration value.
2328         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
2329         (struct _Unwind_Control_Block): Document reserved field use.
2330         (_Unwind_Stop_Fn): New typedef.
2331         (_Unwind_ForcedUnwind): Declare.
2332         (_Unwind_Resume_or_Rethrow): Declare.
2333         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
2334         argument.  Adjust.
2335         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
2336         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
2337         (UCB_FORCED_STOP_ARG): New.
2338         (search_EIT_table): Update boundary condition checks.
2339         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
2340         (unwind_phase2): Replace for with do..while.
2341         (unwind_phase2_forced): New.
2342         (__gnu_Unwind_RaiseException): Replace for with do..while.
2343         (__gnu_Unwind_ForcedUnwind): New.
2344         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
2345         Use appropriate phase2 unwinder.
2346         (__gnu_Unwind_Resume_or_Rethrow): New.
2347         (__gnu_unwind_pr_common): Cope with forced unwinding.
2348
2349 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
2350
2351         PR target/24772
2352         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
2353
2354         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
2355         roundsf2): Remove "s" from mnemonic.
2356
2357 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
2358
2359         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
2360         __PIC__ is defined.
2361         * config/bfin/crtn.s: Change epilogues to match.
2362         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
2363         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
2364         __PIC__ and __pic__.
2365
2366 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
2367
2368         PR 24357
2369         * doc/invoke.texi: Distinguish between free and fixed form instead of
2370         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
2371         languages.
2372         * gcc.c (default_compilers): Remove double entries, add entries for
2373         suffixes '.F90' and '.F95'.
2374
2375 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
2376
2377         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
2378         in the stack probing loop.
2379
2380 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2381
2382         * configure.ac: Use .machine power5 not power5x.
2383         * configure: Regenerate.
2384
2385 2005-11-15  Mike Stump  <mrs@apple.com>
2386
2387         * c-decl.c (lookup_name_two): Add.
2388         * c-tree.h (lookup_name_two): Likewise.
2389         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
2390         * config/darwin-c.c (darwin_pragma_unused): Likewise.
2391
2392 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
2393
2394         PR rtl-optimization/23392
2395         * regrename.c (enum scan_actions) Add mark_access.
2396         (scan_actions_name): Ditto.
2397         (scan_rtx_reg): Handle mark_access.
2398         (scan_rtx_address): Do nothing for mark_access.
2399         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
2400         and regs in REG_INC notes before closing chains for dead regs.
2401         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
2402         opening chains for new writes.
2403
2404 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
2405
2406         * c.opt (ffixed-line-length-none): New.
2407
2408 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
2409
2410         * mklibgcc.in: Change contents of eh_dummy.c.
2411
2412 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2413
2414         * loop.c (scan_loop): Do not insert temporaries for hard registers.
2415
2416 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
2417
2418         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
2419         of making syscalls.
2420         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
2421
2422 2005-11-15  Jan Hubicka  <jh@suse.cz>
2423
2424         * invoke.texi (large-unit-insns): Document.
2425         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
2426         * params.def (large-unit-insns): New param.
2427
2428 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
2429
2430         PR target/24869
2431         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
2432         special register for operand 3.  Reindent constraints to align
2433         them vertically.
2434
2435 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
2436
2437         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
2438         -mpopcntb, -mfprnd. Add -mcpu=power5+.
2439         * configure.ac: Add test for FP rounding instructions.
2440         * configure: Regenerate.
2441         * config.in: Regenerate.
2442         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2443         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
2444         features enabled.
2445         * config/rs6000/rs6000.opt (mfprnd): New.
2446         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
2447         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
2448         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
2449         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
2450         (TARGET_FPRND): New.
2451         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
2452         UNSPEC_FRIZ): New.
2453         (btrunc<mode>2): New.
2454         (ceil<mode>2): New.
2455         (floor<mode>2): New.
2456         (round<mode>2): New.
2457
2458 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
2459
2460         * gcc.c (version_compare_spec_function): Use fatal() rather than
2461         abort().
2462
2463         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
2464         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
2465         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
2466         as empty.
2467         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
2468         link in crt2.o.
2469
2470         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
2471         on -mmacosx-version-min setting.
2472
2473 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
2474
2475         PR 24840
2476         * tree-vrp.c (infer_value_range): Return false if STMT is a
2477         block terminator and its basic block has no successors.
2478
2479 2005-11-14  Mike Stump  <mrs@apple.com>
2480
2481         * config/i386/i386.c (override_options): -masm=intel isn't
2482         supported on darwin.
2483         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
2484
2485 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
2486
2487         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
2488         vfork after including auto-host.h.
2489
2490 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
2491
2492         PR rtl-optimization/22002
2493         * combine.c (distribute_notes): Detect cases where a reg dies
2494         two or more times in a bb, including on the insn we are combining,
2495         and place the death note on the correct range.
2496
2497 2005-11-14  Dale Johannesen  <dalej@apple.com>
2498
2499         * expmed.c (store_bit_field):  Add offset unconditionally for
2500         memory targets.
2501         (extract_bit_field):  Don't force extzv or extv operand into
2502         a register if field is too big.
2503
2504 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2505
2506         * config/arm/arm.c (pic_labelno): New.
2507         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
2508         LABEL_REF.  Pass only the labelno to PIC insns.
2509         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2510         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
2511         * arm.md (UNSPEC_PIC_LABEL): New constant.
2512         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2513         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
2514         Use the correct label prefix.
2515
2516 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
2517
2518         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
2519         REQ_EQUIV note.
2520
2521 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
2522
2523         * loop-invariant.c: Include tm_p.h.
2524         * Makefile.in: Updated.
2525
2526 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2527
2528         * pa.c (store_reg): Revise generation of frame notes in large frames.
2529         (set_reg_plus_d): Likewise.
2530
2531 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
2532
2533         PR tree-optimization/24709
2534         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
2535         loop check.
2536
2537 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
2538
2539         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
2540         and duplicate declaration of pthread_self.
2541
2542 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
2543             Ian Lance Taylor  <ian@airs.com>
2544
2545         PR middle-end/24003
2546         * calls.c (expand_call): If TARGET is a MEM and some part of the
2547         argument area has been saved, force TARGET to a register.
2548
2549 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
2550
2551         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
2552         checking.
2553
2554 2005-11-13  Jason Merrill  <jason@redhat.com>
2555
2556         PR c++/22489
2557         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
2558         lazily declared methods.
2559         (force_decl_die): Stop if forcing out the context already make a
2560         DIE for the decl.
2561         (force_type_die): Likewise.
2562
2563 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
2564
2565         PR middle-end/24820
2566         * builtins.c (integer_valued_real_p): Add break in
2567         REAL_CST having TREE_OVERFLOW set.
2568
2569 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
2570
2571         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
2572         addressing modes during calculation of costs.
2573
2574 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
2575
2576         * function.c (assign_stack_local_1): Restrict sanity check
2577         on frame size overflow to 32-bit and above platforms.
2578
2579 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2580
2581         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
2582         * config/cris/cris.c: Include reload.h.
2583         (cris_initial_elimination_offset): New function.
2584         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
2585         Prototype.
2586
2587 2005-11-12  Richard Guenther  <rguenther@suse.de>
2588
2589         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
2590
2591 2005-11-12  Jan Hubicka  <jh@suse.cz>
2592
2593         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
2594         to compare against 0 when possible.
2595
2596 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
2597
2598         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
2599         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
2600         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
2601         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
2602         in the new order.
2603
2604 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2605
2606         * recog.c (constrain_operands) <case 'g'>: For a match, require
2607         that a non-register matches general_operand when strict >= 0.
2608
2609 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2610
2611         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
2612         previous checkin.
2613
2614 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2615
2616         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
2617         (memory_address_same): New.
2618         (dse_optimize_stmt): Call memory_address_same.
2619
2620 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
2621
2622         PR middle-end/24750
2623         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
2624         ZERO_EXTEND>: New cases.
2625
2626 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
2627
2628         * longlong.h (__clz_tab): Always provide.
2629
2630 2005-11-11  Steven Bosscher  <stevenb@suse.de>
2631
2632         PR 24265
2633         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
2634         can be assigned to.
2635         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
2636         before check_maybe_invariant.
2637         (move_invariant_reg): Use gen_move_insn instead of replacing
2638         SET_DEST with the temporary for the invariant.
2639         (move_loop_invariants): If checking is enabled, do internal
2640         consistency checks after completing the pass.
2641
2642 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
2643
2644         PR 24644
2645         * common.opt (Wvolatile-register-var): New.
2646         * varasm.c (make_decl_rtl): Only emit warning when option
2647         specified.  Clarify warning message.
2648         * doc/invoke.texi (Wvolatile-register-var): Document new option.
2649
2650         * doc/md.texi (copysign): Document standard named pattern.
2651
2652 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
2653
2654         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
2655         bytes when align is 2.
2656         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
2657         by the first instruction of the loop.
2658
2659 2005-11-11  Jason Merrill  <jason@redhat.com>
2660
2661         PR c++/24686
2662         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
2663         the cleanup list.
2664
2665 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
2666
2667         PR rtl-optimization/22509
2668         * local-alloc.c (memref_used_between_p): Check whether a function call
2669         could not reference the memref.
2670
2671 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
2672
2673         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
2674         algorithm so as to choose the best, not the worst, alternative.
2675         Reset accumulated register class before processing next alternative.
2676
2677 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2678
2679         PR target/24445
2680         * calls.c (expand_call): Copy a return value to a plain register
2681         if needed.
2682
2683 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
2684
2685         PR target/24778
2686         * varasm.c (assemble_name): Recompute name only for transparent
2687         aliases.
2688
2689 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
2690
2691         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
2692
2693 2005-11-04  Jeff Law  <law@redhat.com>
2694
2695         PR middle-end/23181
2696         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
2697         perform reassociation if the parent statement will not die as
2698         a result of the optimization.
2699
2700 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
2701
2702         * tree-ssa-alias.c (compute_may_aliases): Remove call to
2703         delete_old_heap_vars.
2704         * tree-dfa.c (referenced_var_remove): Remove function.
2705         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
2706         (delete_tree_ssa): Remove call to delete_old_heapvars.
2707         Add call to delete_alias_heapvars.
2708         * tree-flow.h (referenced_var_remove): Remove prototype
2709         (init_alias_heapvars): New prototype.
2710         (delete_alias_heapvars): Ditto.
2711         * Makefile.in (tree-ssa-structalias.o): Add
2712         gt-tree-ssa-structalias.o
2713         (GTFILES): Add tree-ssa-structalias.h and
2714         tree-ssa-structalias.c.
2715         (s-gtype): Add gt-tree-ssa-structalias.h.
2716         * tree-ssa-structalias.c (heapvars): Remove.
2717         (oldheapvars): Remove.
2718         (heapvar_for_stmt): New variable.
2719         (heapvar_lookup): New function.
2720         (heapvar_insert): Ditto.
2721         (get_constraint_for): See if we have an old heapvar
2722         to reuse.
2723         (init_alias_heapvars): New function.
2724         (delete_alias_heapvars): Ditto.
2725         Add include of gt-tree-ssa-structalias.h.
2726
2727 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2728
2729         PR middle-end/22127
2730         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
2731
2732 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
2733
2734         * tree.c (int_fits_type_p): Only look at the base type
2735         if it has the same precision as the original type.
2736
2737 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
2738
2739         PR other/4372
2740         * varasm.c (assemble_alias): Use %q+D in the error
2741         message instead of %J and %qD.
2742
2743 2005-11-10  Richard Guenther  <rguenther@suse.de>
2744
2745         * gcse.c (free_ldst_entry): Only free hashtable if
2746         it exists.
2747
2748 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2749
2750         * function.c (assign_stack_local_1): Issue an error message if
2751         the frame size overflows in the signed target arithmetics.
2752
2753 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2754
2755         * tree.c (build_qualified_type): Chain the new type to the original
2756         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
2757         a POINTER_TYPE or a REFERENCE_TYPE respectively.
2758         (build_pointer_type_for_mode): Only return unqualified types.
2759         (build_reference_type_for_mode): Likewise.
2760
2761 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
2762
2763         * Makefile.in (gnucompare): Do comparison of all files using one of
2764         the chosen methods and only afterwards decide if just warning should
2765         be issued or comparison failure raised.
2766
2767 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2768
2769         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
2770         (noce_try_abs): Negate if the comparison is reversed.
2771         Look only one instruction backwards for a REG_EQUAL note.
2772
2773 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2774
2775         PR other/4372
2776         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
2777         gthr-tpf.h: Define __gthrw.  For all identifiers that might
2778         be weak, introduce weakrefs or non-weak aliases with __gthrw,
2779         and prefix all uses with __ghtrw.
2780
2781 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
2782
2783         PR other/4372
2784         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
2785         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
2786         * c-common.c (handle_weakref_attribute): New.
2787         (c_common_attribute_table): Add weakref.
2788         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
2789         in the assembler.
2790         * configure, config.in: Rebuilt.
2791         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
2792         * doc/extend.texi: Document weakref attribute.
2793         * varasm.c (ultimate_transparent_alias_target): New
2794         (assemble_name): Use it.
2795         (weak_finish_1): Split out of...
2796         (weak_finish): ... and deal with weakrefs in...
2797         (weakref_targets): ... new list.
2798         (globalize_decl): Clean up weakref_targets.
2799         (do_assemble_alias): Handle weakrefs.
2800         (finish_aliases_1): Do not reject weakrefs to external symbols.
2801         (assemble_alias): Handle weakrefs.
2802
2803 2005-11-09  Richard Guenther  <rguenther@suse.de>
2804
2805         PR tree-optimization/24716
2806         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
2807         t_bool to track results from follow_ssa_edge.
2808
2809 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
2810
2811         * final.c (force_source_line): New global variable.
2812         (final_scan_insn): Set it to true instead of clearing last_filename.
2813         (notice_source_line): Return true if force_source_line is true,
2814         unless source info is absent.
2815
2816 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
2817
2818         PR c/24644
2819         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
2820         a linkage name for a variable if it a register variable.
2821         * c-decl.c (grokdeclarator): Global register variables
2822         should be set as PUBLIC.
2823
2824 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2825
2826         PR 24624
2827         * config/s390/s390.c (struct s390_frame_layout): New fields
2828         first_save_gpr_slot and last_save_gpr_slot.
2829         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2830         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2831         first_save_gpr and last_save_gpr with the _slot variants.
2832         (s390_register_info): Calculate first_save_gpr_slot and
2833         last_save_gpr_slot using regs_ever_live.
2834
2835 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2836
2837         PR 24623
2838         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2839         for a function containing a landing pad.
2840
2841 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
2842
2843         PR 24034
2844         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2845         is live afterwards.
2846
2847 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2848
2849         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2850         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2851
2852 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
2853
2854         Add ms2 support
2855         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2856         constants.
2857         (call,load,store): New insn types.
2858         (mem_access, branch_access): Adjust reservation conditions.
2859         (define_delay): Adjust condition.
2860         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
2861         type.
2862         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2863         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2864         insn type.
2865         (call_internal, call_value_internal, return_internal,
2866         return_interrupt_internal, eh_return_internal, indirect_jump,
2867         tablejump): Set call insn type.
2868         (blockage, ei, di): Use appropriate unspec const.
2869         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2870         (ms1_get_attr_type): Adjust to give load & store types.
2871         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
2872         backwards past a barrier.
2873         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
2874         branch scheduling.
2875         (struct branch_info, struct label_info): New.
2876         (ms1_labels): New.
2877         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2878         (ms1_machine_reorg): New.
2879         (TARGET_MACHINE_DEPENDENT_REORG): Override.
2880         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2881         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2882         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2883         (TARGET_MS2): New.
2884
2885 2005-11-09  Per Bothner  <per@bothner.com>
2886             Uros Bizjak  <uros@kss-loka.si>
2887
2888         PR c/24101
2889         * toplev.c (process_options): Initialize debug_hooks early
2890         in case lang_hooks.post_options ends up calling a debug_hook.
2891
2892 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
2893
2894         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2895         DBX_REGISTER_NUMBER being contiguous.
2896
2897 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
2898             Diego Novillo  <dnovillo@redhat.com>
2899
2900         PR 23046
2901         * tree-vrp.c (register_edge_assert_for): Do not register
2902         always-false predicates.
2903
2904 2005-11-08  Devang Patel <dpatel@apple.com>
2905
2906         PR tree-optimization/23115
2907         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2908         relation.
2909
2910 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
2911
2912         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2913         -mcpu=440.
2914
2915 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
2916
2917         Fix PR tree-optimization/23382
2918
2919         * tree-ssa-alias.c (compute_may_aliases): Call
2920         delete_old_heap_vars.
2921         * tree-dfa.c (referenced_var_remove): New function.
2922         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2923         * tree-flow.h (referenced_var_remove): Add prototype.
2924         (delete_old_heap_vars): Ditto.
2925         * tree-ssa-structalias.c (heapvars): New variable.
2926         (oldheapvars): Ditto.
2927         (get_constraint_for): Put heap vars on heapvars list.
2928         (delete_old_heap_vars): New function.
2929
2930 2005-11-08  Jason Merrill  <jason@redhat.com>
2931
2932         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2933
2934 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
2935
2936         PR target/19340
2937         * reg-stack.c (reg_to_stack): Update register liveness also
2938         for flag_sched2_use_traces.
2939
2940 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
2941
2942         PR target/23704
2943         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2944         override prior explicit -mno-powerpc-gfxopt.
2945
2946 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
2947
2948         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2949         if the bitsize is zero.
2950         * doc/md.texi (Standard Pattern Names): Document it.
2951
2952         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2953         (TARGET_PASS_BY_REFERENCE): Likewise.
2954
2955 2005-11-07  Ian Lance Taylor  <ian@airs.com>
2956
2957         PR rtl-optimization/24683
2958         * config/i386/i386.c (legitimize_pic_address): If constant operand
2959         to PLUS is too large, put it in a register.
2960
2961 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
2962
2963         * configure.ac: Enable checking assembler dwarf2 support for bfin
2964         target.
2965         * configure: Regenerate.
2966
2967 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2968
2969         PR target/24230
2970
2971         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2972         gen_easy_vector_constant_add_self): Delete.
2973         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2974         New.
2975         (output_vec_const_move): Use gen_easy_altivec_constant.
2976         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2977         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2978         (easy_vector_constant_add_self): Rewritten.
2979         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2980         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2981         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2982         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2983         Macroize and adjust for the other changes.
2984
2985 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
2986
2987         PR c/24599
2988
2989         * c-typeck.c (build_c_cast): Try using a shared constant, and see
2990         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2991
2992 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
2993
2994         PR rtl-optimization/23567
2995         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2996         (noce_process_if_block): Don't do any optimizations except
2997         if (cond) x = x; if !set_b and write into orig_x may trap
2998         or fault.  Remove the MEM_READONLY_P check.
2999
3000 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
3001
3002         PR 24670
3003         * tree-vrp.c (fix_equivalence_set): New.
3004         (extract_range_from_assert): Call it.
3005
3006 2005-11-05  Ian Lance Taylor  <ian@airs.com>
3007
3008         PR target/22432
3009         * combine.c (apply_distributive_law): Don't distribute across a
3010         vector mode subreg.
3011
3012 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
3013
3014         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
3015         config/ms1/ms1.h, config/rs6000/predicates.md,
3016         config/s390/s390.c, params.def, postreload-gcse.c,
3017         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
3018         tree-vrp.c, tree.c: Fix comment typos.
3019         * doc/invoke.texi: Fix typos.
3020
3021 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
3022
3023         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
3024         for testing whether the data_dependence_relation contains distance
3025         vectors.  Iterate over all distance vectors of the ddr.
3026         * lambda.h: Define a vec of lambda_vector pointers.
3027         * tree-data-ref.c (dump_data_dependence_relation,
3028         dump_data_dependence_direction): Iterate over all distance and
3029         direction vectors of the ddr.
3030         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
3031         DDR_DIST_VECTS.
3032         (build_classic_dist_vector, build_classic_dir_vector): Push a set
3033         of distance/direction vectors instead of a single one.
3034         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
3035         lambda_vectors with a vec of lambda_vectors.
3036         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
3037         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
3038         DDR_NUM_DIST_VECTS): New.
3039         * tree-loop-linear.c (gather_interchange_stats): Test for the
3040         existence of distance vectors only after having checked that there
3041         is a dependence.  Iterate over all distance vectors of the ddr.
3042         (linear_transform_loops): Use dump_data_dependence_relation.
3043         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
3044         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
3045         distance vectors of the ddr.
3046
3047 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3048
3049         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
3050         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
3051         IS_INTHANDLER; all callers changed.
3052         (n_regs_saved_by_prologue): Take interrupt handler attributes into
3053         account.
3054         (do_link, do_unlink): New argument ALL; all callers changed.
3055         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
3056         If function isn't leaf, save and restore all registers.
3057         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
3058         exception handler.
3059
3060 2005-11-05  Jan Hubicka  <jh@suse.cz>
3061
3062         PR rtl-optimization/23490
3063         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
3064         max-flow-memory-location): Document.
3065         * flow.c: Include params.h
3066         (MAX_MEM_SET_LIST_LEN): Kill.
3067         (add_to_mem_set_list): Use new param.
3068         * cse.c (cse_basic_block): Replace 1000 by new param.
3069         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
3070         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
3071         * predict.c (predict_loops): Use new param.
3072         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
3073
3074         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
3075         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
3076         Do not hold memory returned by cgraph_node_name across other call.
3077
3078 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
3079
3080         PR target/23424
3081         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
3082         Disable.
3083
3084 2005-11-04  Jeff Law  <law@redhat.com>
3085
3086         PR/21883
3087         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
3088         * tree-ssa-dom.c: Include params.h.
3089         (thread_across_edge): If there are too many statements in the
3090         target block, then do not thread through it.
3091         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
3092         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
3093
3094 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
3095
3096         PR 24627
3097         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
3098         TODO_update_ssa instead of TODO_update_ssa_no_phi.
3099
3100 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
3101
3102         PR/18595
3103         * tree-scalar-evolution.c (instantiate_parameters_1,
3104         instantiate_parameters, resolve_mixers): Compute the size of an
3105         expression to be instantiated and give up the instantiation if the
3106         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3107
3108 2005-11-04  Richard Guenther  <rguenther@suse.de>
3109
3110         * tree-flow.h (ref_contains_indirect_ref): Rename to
3111         array_ref_contains_indirect_ref.
3112         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
3113         (array_ref_contains_indirect_ref): Make comment match the code
3114         and vice-versa.
3115         (ref_contains_array_ref): Likewise.
3116         * tree-ssa-structalias.c (find_func_aliases): Remove call to
3117         ref_contains_indirect_ref.
3118         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
3119         Rename calls to ref_contains_indirect_ref.
3120
3121 2005-11-04 Paul Brook  <paul@codesourcery.com>
3122
3123         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
3124         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
3125         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
3126         * config/arm/arm.md: Use match_operand in peephole input templates
3127         and match_dup in peephole output templates.
3128
3129 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3130
3131         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
3132         __aeabi_uidiv.
3133
3134 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
3135             Daniel Jacobowitz  <dan@codesourcery.com>
3136
3137         * longlong.h (add_ssaaaa): Clobber condition code register
3138         in ARM version.
3139         (sub_ddmmss): Likewise.
3140         (umul_ppmm): Likewise.
3141
3142 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3143             Paul Brook  <paul@codesourcery.com>
3144             Phil Blundell  <pb@reciva.com>
3145
3146         * configure.ac: Add test for ARM TLS support.
3147         * configure: Regenerated.
3148         * config/arm/arm-protos.h (legitimize_tls_address)
3149         (arm_tls_referenced_p, tls_mentioned_p)
3150         (arm_output_addr_const_extra): New prototypes.
3151         (thumb_legitimize_pic_address): Delete.
3152         * config/arm/arm.c: Include "gt-arm.h".
3153         (enum tls_reloc): New.
3154         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
3155         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
3156         (arm_call_tls_get_addr, legitimize_tls_address)
3157         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
3158         (arm_init_tls_builtins, arm_emit_tls_decoration)
3159         (arm_output_addr_const_extra): New functions.
3160         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
3161         (TARGET_HAVE_TLS): Define.
3162         (target_thread_pointer): New.
3163         (arm_override_options): Handle -mtp=.
3164         (legitimize_pic_address): Ignore UNSPECs.
3165         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
3166         relative symbols.
3167         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
3168         (tls_get_addr_libfunc): New variable.
3169         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
3170         (arm_init_builtins): Call arm_init_tls_builtins.
3171         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
3172         (arm_encode_section_info): Call default_encode_section_info.
3173         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
3174         (enum arm_tp_type): New.
3175         (target_thread_pointer): Add declaration.
3176         (LEGITIMATE_CONSTANT_P): Handle TLS.
3177         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
3178         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
3179         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
3180         * config/arm/arm.md: Add UNSPEC_TLS.
3181         (movsi): Handle TLS.
3182         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
3183         non-PIC.
3184         (tls_load_dot_plus_eight): New insn and a peephole to create it.
3185         (load_tp_hard, load_tp_soft): New insns.
3186         * arm.opt: Add -mtp=.
3187         * doc/invoke.texi (ARM Options): Document -mtp.
3188
3189 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
3190
3191         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
3192         * config/arm/libunwind.S: Include "lib1funcs.asm".
3193         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
3194         (LIB2ADDEH): Add libunwind.S.
3195         (LIB2ADDEHDEP): Add lib1funcs.asm.
3196         * mklibgcc.in: Handle asm files in libgcc_eh.a.
3197
3198 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3199
3200         PR fortran/18452
3201         * gcc/c.opt: Add a -lang-fortran option.
3202         * gcc/c-opts.c: Add a lang_fortran flag.
3203         (c_common_init_options): Handling the -lang-fortran option.
3204         (c_common_handle_option): Add a case for Fortran options in
3205         preprocessing. Remove cases for -ffixed-form and
3206         -ffixed-line-length. Add a case for -lang-fortran.
3207
3208 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
3209
3210         * config/rs6000/rs6000.c: Include params.h
3211         (optimization_options): Set max-grow-copy-bb-insns default to 16.
3212         (bdesc_2arg): Delete vpkuhss and vpkuwss.
3213         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
3214         (UNSPEC_VPKUWSS): Delete.
3215         (altivec_vpkuhss): Delete.
3216         (altivec_vpkuwss): Delete.
3217         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
3218         final condition.
3219         (neg_eq0<mode>): Remove final condition.
3220         (neg_eq<mode>): Remove condition and split-condition.
3221
3222 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
3223
3224         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
3225         Use associated print macros.
3226
3227 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3228
3229         PR c++/17964
3230         * diagnostic.c (diagnostic_set_info_translated): New function.
3231         (diagnostic_set_info): Use it.  Add comment.
3232         * diagnostic.h (diagnostic_set_info_translated): Declare.
3233
3234 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
3235
3236         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
3237         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
3238         reference only if 'public' is true.
3239         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
3240         emit the .hidden directive only if the indirect reference is public.
3241         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
3242         Pass it to dw2_force_const_mem.
3243         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
3244         * dwarf2out.c (output_cfi): Adjust calls to above function.
3245         (output_call_frame_info): Likewise.
3246         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
3247         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
3248
3249 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
3250
3251         PR tree-optimization/24483
3252         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
3253         field to elts if possible.
3254
3255 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3256
3257         PR middle-end/23155
3258         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
3259         CONSTRUCTOR.
3260
3261 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
3262
3263         Fix PR tree-optimization/24351
3264
3265         * tree-ssa-structalias.c (struct variable_info): Add
3266         collapsed_into.
3267         (get_varinfo_fc): New function to follow collapsing.
3268         (new_var_info): Set collapsed_to to NULL.
3269         (dump_constraint): Follow collapsing.
3270         (build_constraint_graph): Handle collapsing.
3271         (do_simple_structure_copy): Return false if something bad
3272         happened.
3273         (collapse_rest_of_var): New function.
3274         (do_structure_copy): Collapse if do_simple_structure_copy returns
3275         false.
3276
3277 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
3278
3279         PR middle-end/24589
3280         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
3281         expressions to a statement list instead of gimplifying them.
3282
3283 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3284
3285         PR rtl-optimization/23585
3286         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
3287         that can't trap plus a constant integer, if the mode has zero size.
3288
3289 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
3290
3291         PR target/24620
3292         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
3293         as operand 2.
3294         ("*insv<mode>_reg_extimm"): Likewise.
3295
3296 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
3297
3298         PR c/24329
3299         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
3300         c_common_type_for_mode returns an unnamed type.
3301
3302 2005-11-02  Richard Henderson  <rth@redhat.com>
3303
3304         PR target/9350
3305         PR target/24374
3306         * dwarf2out.c (dwarf2out_reg_save_reg): New.
3307         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
3308         * function.c (assign_parms): Use calls.internal_arg_pointer.
3309         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
3310         code.
3311         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
3312         (TARGET_CALLS): Add it.
3313         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
3314         * targhooks.c (default_internal_arg_pointer): New.
3315         * targhooks.h (default_internal_arg_pointer): Declare.
3316         * tree.h (dwarf2out_reg_save_reg): Declare.
3317         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
3318         * config/i386/i386.c (dbx_register_map): Add return column.
3319         (dbx64_register_map, svr4_dbx_register_map): Likewise.
3320         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
3321         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
3322         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
3323         (ix86_save_reg): Save force_align_arg_pointer.
3324         (ix86_emit_save_regs): Make regno unsigned.
3325         (ix86_emit_save_regs_using_mov): Likewise.
3326         (ix86_expand_prologue): Handle force_align_arg_pointer.
3327         (ix86_expand_epilogue): Likewise.
3328         * config/i386/i386.h: (dbx_register_map): Update.
3329         (dbx64_register_map, svr4_dbx_register_map): Update.
3330         (struct machine_function): Add force_align_arg_pointer.
3331         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
3332         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
3333         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
3334
3335 2005-11-02  Jan Hubicka  <jh@suse.cz>
3336
3337         PR target/23303
3338         * i386.md: Add peep2 for simplyfing array accesses.
3339
3340 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3341
3342         PR target/24615
3343         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
3344         * config/s390/s390.c (s390_decompose_shift_count): New function.
3345         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
3346         (print_shift_count_operand): Use s390_decompose_shift_count.
3347         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
3348         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
3349
3350 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
3351
3352         PR target/24600
3353         * loop.c (loop_givs_rescan): Use force_operand to expand
3354         complex GIVs.
3355
3356 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
3357
3358         PR 22429
3359         * fold-const.c (build_range_check): Use unsigned when signed
3360         overflow is undefined also.  If etype is subtype, make sure that
3361         the subtraction is in the supertype.
3362
3363 2005-11-02  Richard Henderson  <rth@redhat.com>
3364
3365         PR target/24178
3366         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
3367         by MEM_ALIGN.
3368
3369 2005-11-01  Richard Henderson  <rth@redhat.com>
3370
3371         PR 21518
3372         * loop.c (scan_loop): Do not propagate computations to a hard
3373         register destination with SMALL_REGISTER_CLASSES.
3374
3375 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
3376
3377         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
3378         costs for MULT inside PLUS or MINUS.
3379
3380 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
3381
3382         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
3383         (TRAMPOLINE_SIZE): Round up to 60.
3384         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
3385
3386 2005-10-31  James E. Wilson  <wilson@specifix.com>
3387
3388         PR debug/24444
3389         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
3390         ifdef.  Put ifdefs around call in gen_subprogram_die.
3391         (compute_frame_pointer_to_cfa_displacement): Likewise.
3392         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
3393         not defined.
3394
3395         PR rtl-optimization/17356
3396         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
3397         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
3398
3399 2005-10-31  Jan Hubicka  <jh@suse.cz>
3400
3401         PR middle-end/24093
3402         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
3403
3404         PR target/20928
3405         * i386.c (legitimize_pic_address): Deal with large immediates.
3406
3407         PR profile/20815
3408         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
3409         from symbol names while computing checkup.
3410
3411         PR profile/24487
3412         * predict.c (predict_loops): Do not estimate more than
3413         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
3414         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
3415
3416 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
3417
3418         PR tree-optimization/19097
3419         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
3420
3421 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
3422
3423         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
3424
3425 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
3426
3427         PR middle-end/23492
3428         * tree-inline.c (setup_one_parameter): If the init_stmt
3429         is NULL, don't insert the statement.
3430
3431 2005-10-30  Jan Hubicka  <jh@suse.cz>
3432
3433         PR tree-optimization/24172
3434         * tree-inline.c (copy_body_r): Unshare the substituted value first.
3435
3436 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
3437
3438         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
3439         constants for hosts with long != 32 bits.
3440
3441 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
3442
3443         PR middle-end/24093
3444         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
3445
3446 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
3447
3448         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
3449         (TARGET_MS1_16_002): New.
3450         (TARGET_MS1_16_003): New.
3451
3452         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
3453         ("*decrement_and_branch_until_zero_no_clobber"): New.
3454         Add corresponding splitter for decrement_and_branch_until_zero
3455         instruction.
3456         Key all decrement_and_branch_until_zero patterns off of
3457         TARGET_MS1_16_003.
3458
3459 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
3460
3461         PR middle-end/24362
3462         * tree-complex.c (extract_component): Treat RESULT_DECL
3463         like the rest of the decls.
3464
3465 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
3466
3467         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
3468         indirect call to _mcount if the function needs a static chain.
3469
3470 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
3471             Caroline Tice  <ctice@apple.com>
3472
3473         PR rtl-optimization/24460
3474         * dwarf2out.c (have_switched_text_sections): New boolean variable.
3475         (dwarf2out_switch_text_section): Set it to true instead of
3476         incrementing separate_line_info_table_in_use.
3477         (output_loc_list): Additionally test have_switched_text_sections.
3478         (output_ranges): Likewise.
3479         (dwarf2out_finish): Likewise.
3480         * varasm.c (assemble_start_function): Do not call
3481         insert_section_boundary_note.
3482         (assemble_end_function): If flag_reorder_blocks_and_partition,
3483         switch to the function's section before emitting the .size directive.
3484         * bb-reorder.c (insert_section_boundary_note): Staticify.
3485         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
3486         * output.h (insert_section_boundary_note): Delete.
3487
3488 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
3489
3490         PR c/23103
3491         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
3492         instead of pointer equality when comparing types.
3493
3494 2005-10-24  James E. Wilson  <wilson@specifix.com>
3495
3496         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
3497         add_dependence_list_and_free calls.
3498
3499 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3500
3501         * contrib.texi: Add the names of the LLNL folks who donated
3502         Cray pointer support for gfortran.
3503
3504 2005-10-24  Steven Bosscher  <stevenb@suse.de>
3505
3506         PR tree-optimization/24225
3507         * profile.c (branch_prob): Look from end to start through a
3508         basic block when looking for a locus.
3509
3510 2005-10-24  Richard Henderson  <rth@redhat.com>
3511
3512         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
3513         parallel.
3514         (hppa_expand_prologue): Likewise.
3515
3516 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3517
3518         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
3519         (NO_DEFERRED_PROFILE_COUNTERS): Define.
3520         * pa.h (NO_PROFILE_COUNTERS): Define.
3521         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
3522         (funcdef_nos): New vector to hold label numbers of deferred profile
3523         counters.
3524         (output_deferred_profile_counters): New function.
3525         (hppa_profile_hook): Push label number onto funcdef_nos.
3526         (pa_hpux_file_end): Call output_deferred_profile_counters if
3527         NO_DEFERRED_PROFILE_COUNTERS is false.
3528
3529         * pa-protos.h (get_deferred_plabel): New prototype.
3530         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
3531         Make global.
3532         (output_call): Adjust calls.
3533
3534 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
3535
3536         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
3537         peculiarity of GOT/TOC section usage.
3538
3539 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
3540
3541         PR objc/24435
3542          * c-common.c (constant_string_class_name): Add documentation.
3543
3544 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
3545
3546         PR target/23832
3547         * recog.c (peephole2_optimize): Increment peep2_current_count
3548         only when the slot is empty.
3549
3550 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3551
3552         PR ada/23957
3553         * except.c (output_function_exception_table): Call
3554         assemble_external_libcall if we need a personality function.
3555
3556 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3557
3558         PR rtl-optimization/24460
3559         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
3560         set the basic block for barriers.
3561
3562 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
3563
3564         * var-tracking.c (vt_initialize): Initialize post.
3565
3566 2005-10-21  Devang Patel  <dpatel@apple.com>
3567
3568         PR/24220
3569         * c-common.c (vector_types_convertible_p): Check vector element type.
3570
3571 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3572
3573         * config/sh/sh.c (prepare_move_operands): Handle the address
3574         constant which is a tls symbolic address plus a constant.
3575
3576 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
3577
3578         PR driver/24473
3579         * gcc.c (main): Use the correct counter for erroring out
3580         about mulitple files.
3581
3582 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
3583
3584         PR target/24465
3585         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
3586         use r2 for 64-bit tls .got access.
3587
3588 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
3589
3590         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
3591         TRUTH_OR_EXPR.
3592
3593 2005-10-20  Steven Bosscher  <stevenb@suse.de>
3594
3595         PR tree-optimization/24307
3596         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
3597
3598 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
3599
3600         PR middle-end/24295
3601         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
3602         alias targets.
3603         * varasm.c (find_decl_and_mark_needed): After cgraph global info
3604         is ready, stop marking functions, but still mark variables.
3605
3606 2005-10-20  Richard Guenther  <rguenther@suse.de>
3607
3608         PR c++/24439
3609         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
3610         void type operands.
3611
3612 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3613
3614         PR rtl-optimization/23585
3615         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
3616         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
3617         (may_trap_p_1): New predicate extracted from...
3618         (may_trap_p): ... here.  Invoke may_trap_p_1.
3619         (may_trap_or_fault_p): New predicate.
3620         * rtl.h (may_trap_or_fault_p): Declare it.
3621         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
3622         instead of may_trap_p.
3623         (steal_delay_list_from_fallthrough): Likewise.
3624         (fill_simple_delay_slots): Likewise.
3625         (fill_slots_from_thread): Likewise.
3626         * function.c (pad_to_arg_alignment): Rework comment about
3627         SPARC_STACK_BOUNDARY_HACK.
3628         * config/sparc/sparc.h: Likewise.
3629
3630 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
3631
3632         * config/s390/s390.c (s390_expand_insv): New.
3633         * config/s390/s390-protos.h (s390_expand_insv): Declare.
3634         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
3635         ("icm_hi"): Remove mode attribute.
3636         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
3637         Adjust all uses.
3638         ("*extracthi", "*extractqi"): Remove.
3639         (extv<mode>", "*extzv<mode>"): New.
3640         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
3641         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
3642
3643 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3644
3645         * cfgexpand.c (discover_nonconstant_array_refs_r,
3646         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
3647         (tree_expand_cfg): Call discover_nonconstant_array_refs.
3648         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3649         discover_nonconstant_array_refs.
3650
3651 2005-10-19  Steven Bosscher  <stevenb@suse.de>
3652
3653         PR c/23228
3654         * c-decl.c (pop_scope): Don't warn about an unused variable
3655         if it is marked with TREE_NO_WARNING.
3656         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
3657         somenow mismatch and olddecl is to be replaced.
3658
3659 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3660
3661         PR middle-end/23199
3662         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
3663         whether registers live on the edge can be saved/restored.
3664
3665 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3666
3667         * config/sh/sh.c (fixup_mova): Skip notes.
3668
3669 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3670
3671         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
3672         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
3673         (s390_can_eliminate): Handle BASE_REGNUM elimination.
3674         (s390_initial_elimination_offset): Likewise.
3675         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
3676         register on TARGET_ZARCH targets.
3677         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
3678         (INITIAL_FRAME_POINTER_OFFSET): Remove.
3679         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
3680         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
3681
3682 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3683
3684         * config/s390/s390.md: Comment describing output modifiers updated.
3685         * config/s390/s390.c (print_operand): Likewise.
3686
3687 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3688
3689         * config/s390/s390.c (override_options): Added check for -mstack-size
3690         64k limitation.
3691         * doc/invoke.texi: Mention that limit in the documenation.
3692
3693 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
3694
3695         PR #19672
3696         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
3697
3698 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
3699
3700         Fix PR tree-optimization/24231
3701
3702         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
3703         (compute_avail): Ditto.
3704
3705 2005-10-18  Richard Henderson  <rth@redhat.com>
3706
3707         PR target/24428
3708         * config/i386/i386.c (legitimate_constant_p): Check
3709         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
3710         if LABEL_REF.
3711         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
3712         (legitimate_pic_address_disp_p): Reorg CONST checking to make
3713         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
3714         directly.
3715         (print_operand_address): Likewise.
3716         * config/i386/predicates.md (x86_64_immediate_operand): Test
3717         SYMBOL_REF_TLS_MODEL properly inside CONST.
3718         (x86_64_zext_immediate_operand): Likewise.
3719         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
3720         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
3721         * config/i386/i386-protos.h: Remove predicates.md entries.
3722
3723 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
3724
3725         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
3726         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
3727
3728 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
3729             Ian Lance Taylor <ian@airs.com>
3730
3731         PR middle-end/23522
3732         * fold-const.c (fold_widened_comparison): Do not allow range based
3733         constant folding when right operand cannot be unwidened.
3734
3735 2005-10-17  Richard Henderson  <rth@redhat.com>
3736
3737         * builtins.c (expand_builtin_synchronize): Build a new-style asm
3738         with a memory clobber.
3739
3740 2005-10-17  James E Wilson  <wilson@specifix.com>
3741
3742         PR rtl-optimization/17356
3743         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
3744         checking for EDGE_EH.
3745
3746 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
3747
3748         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
3749         the slot on an even boundary for any type with 16-byte alignment.
3750
3751 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
3752
3753         PR target/23424
3754         * md.texi (Modifiers) <%>: Clarify that % doesn't work
3755         after register allocation.
3756
3757 2005-10-17  DJ Delorie  <dj@redhat.com>
3758
3759         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
3760         as frame related.
3761
3762 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
3763
3764         PR c++/22551
3765         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
3766         overflow flags.
3767
3768 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
3769
3770         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
3771         to 2 if it's already non-zero.
3772         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
3773         is set and warn about it if flag_schedule_insns is 1.
3774
3775 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
3776
3777         * config/crx/crx.md: Compare-and-branch instructions need to
3778         invalidate CC.
3779
3780 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
3781
3782         PR target/24315
3783         * config/i386/i386.md (*pushdi2_rex64 splitter)
3784         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
3785         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
3786         flow2 pass only when (optimize > 0 && flag_peephole2).
3787
3788 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
3789
3790         PR driver/22544
3791         * gcc.c (have_c): New static variable.
3792         (have_o): Likewise.
3793         (process_command): Remove declation of have_c.
3794         Set have_o to 1 when handling -o.
3795         (main): Add a fatel error if there are multiple
3796         files specified and -o and -c/-S is passed witout
3797         -combine or multiple languages.
3798
3799 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
3800
3801         Fix PR tree-optimization/22444
3802         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
3803         Assert that we don't hit something with subvars.
3804         (setup_pointers_and_addressables): Don't add things with subvars,
3805         because we'll already process the subvars for aliasing purposes.
3806
3807 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
3808
3809         PR target/23424
3810         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
3811         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
3812         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
3813         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
3814         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
3815         swapped, alternatives for the R constraint.
3816
3817         PR middle-end/24341
3818         * builtins.c (get_builtin_sync_mode): Make unlimited
3819         mode_for_size request.
3820
3821 2005-10-15  Richard Henderson  <rth@redhat.com>
3822
3823         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
3824         (gimplify_expr): ... here.
3825         (gimplify_compound_lval): Use it in initial scan loop.  Allow
3826         fb_lvalue in base expression.
3827
3828 2005-10-15  Richard Henderson  <rth@redhat.com>
3829
3830         PR 23714
3831         * builtins.c (expand_builtin_trap): Export.
3832         * expr.h (expand_builtin_trap): Declare.
3833         * expr.c (expand_assignment): Emit a trap for integral offsets
3834         from registers that weren't reduced to bitpos.
3835
3836         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3837         (mark_array_ref_addressable): Remove.
3838         * tree-flow.h (mark_array_ref_addressable): Remove.
3839         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3840
3841 2005-10-15  James E Wilson  <wilson@specifix.com>
3842
3843         PR target/24232
3844         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
3845         (add_dependence_list_and_free): Likewise.
3846         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3847         call.
3848
3849 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
3850
3851         PR 23141
3852         PR 23142
3853         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3854         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3855         anti-range.
3856         (vrp_visit_phi_node): Only prevent infinite iterations when
3857         the previous result and the new result are both VR_RANGEs.
3858
3859 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
3860
3861         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3862         function comment.
3863
3864 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3865
3866         PR c/23439
3867         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3868         to initialize loc.
3869
3870 2005-10-14  Per Bothner  <per@bothner.com>
3871
3872         PR preprocessor/21250
3873         * c-ppoutput.c (print_line): Print internal line 0 as 1.
3874
3875 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
3876
3877         PR c++/22551
3878         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3879         overflow flags.  Refactor some conditionals.
3880
3881 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
3882
3883         PR tree-opt/21304
3884         * tree-dfa.c (add_referenced_var): Only look at decls which
3885         have TREE_CONSTANT or TREE_READONLY set instead of if
3886         !TREE_PUBLIC or !TREE_CONSTANT.
3887
3888 2005-10-13  James E Wilson  <wilson@specifix.com>
3889
3890         * doc/invoke.texi: For -x, add f95-cpp-input.
3891         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3892
3893 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
3894
3895         PR tree-optimization/24262
3896         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3897         in loop all the time.
3898
3899 2005-10-12  Richard Henderson  <rth@redhat.com>
3900
3901         PR c/24255
3902         * tree.h (DECL_TRANSPARENT_UNION): Remove.
3903         * function.c (assign_parm_find_data_types): Don't support it.
3904         * print-tree.c (print_node): Likewise.
3905         * c-common.c (handle_transparent_union_attribute): Likewise.
3906         Use build_duplicate_type.
3907         * tree-inline.c (remap_type_1): Split out of remap_type;
3908         properly remap aggregate fields.
3909         (build_duplicate_type): New.
3910         * doc/extend.texi (Variable Attributes): Remove documentation
3911         for transparent_union.
3912
3913 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3914
3915         PR target/24284
3916         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3917         (gen_stack_pointer_dec): Likewise.
3918
3919 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
3920
3921         PR middle-end/21275
3922         PR middle-end/21766
3923         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3924         target hook.
3925         (struct cxx): Add adjust_class_at_definition target hook.
3926         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3927         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3928         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3929         hook_void_tree. Add to TARGET_CXX.
3930         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3931         dllimport_flag.
3932         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3933         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3934         instead of attribute. Check for dllexport override.  Warn if
3935         inconsistent dll linkage. Don't lose old dllimport if decl has
3936         had address referenced.   Tweak lookup of dllimport atribute.
3937         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3938         for target specific rules.  Don't add dllimport attribute if
3939         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
3940         dllimport attribute.
3941         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3942         * varasm.c (initializer_constant_valid_p): Replace
3943         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3944
3945         PR target/21801
3946         PR target/23589
3947         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3948         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3949         (i[34567]86-*-mingw32*): Likewise.
3950
3951         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3952         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3953
3954         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3955         C++-specific code. Change return value to bool.
3956         (i386_pe_dllimport_p): Likewise.
3957         (associated_type): Simplify and make language-independent
3958         (i386_pe_encode_section_info): Replace override of ambiguous
3959         dllimport symbol refs with a gcc_assert.
3960         (i386_pe_valid_dllimport_attribute_p): Define.
3961         * config/i386/winnt-cxx.c: New file. Define C++ versions of
3962         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3963         i386_pe_adjust_class_at_definition.
3964         * config/i386/winnt-stubs.c: New file. Define stub versions of
3965         lang-specific functions.
3966         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3967         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3968         i386_pe_adjust_class_at_definition.
3969         (i386_pe_valid_dllimport_attribute_p): Declare.
3970         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3971         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3972         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3973
3974         PR target/19704
3975         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3976         dllimport attribute with test of DECL_DLLIMPORT_P.
3977
3978 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
3979
3980         * combine.c (make_extraction): Correct offset computation.
3981
3982 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
3983
3984         * config/cris/t-linux (LIMITS_H_TEST): Define.
3985
3986 2005-10-12  Richard Henderson  <rth@redhat.com>
3987
3988         PR rtl-opt/23324
3989         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3990
3991 2005-10-12  Richard Guenther  <rguenther@suse.de>
3992
3993         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3994
3995 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
3996
3997         PR c++/19964
3998         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3999         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
4000         type.
4001
4002 2005-10-12  Richard Guenther  <rguenther@suse.de>
4003
4004         PR c++/23799
4005         * varasm.c (output_constant): Correct typo from previous
4006         patch by DJ.
4007
4008 2005-10-11  Ian Lance Taylor  <ian@airs.com>
4009
4010         PR rtl-optimization/13931
4011         * combine.c: Revert patch of 2003-05-14, and:
4012         (try_combine): Only set elim_i1 and elim_i2 if the destination is
4013         completely killed in the appropriate insn.
4014         (distribute_notes): Don't skip multiple hard register test for
4015         elim_i1 and elim_i2.
4016
4017 2005-10-11  Richard Henderson  <rth@redhat.com>
4018
4019         PR c/24255
4020         * c-typeck.c (convert_for_assignment): Use build_constructor_single
4021         to initialize a transparent union instead of a nop_expr.
4022
4023 2005-10-11  Richard Henderson  <rth@redhat.com>
4024
4025         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
4026         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
4027         (tree_ssa_dce_loop): Call scev_reset.
4028
4029         PR tree-opt/24300
4030         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
4031         * tree-ssa-dce.c: Include cfgloop.h.
4032         (tree_ssa_dce_loop, pass_dce_loop): New.
4033         * tree-pass.h (pass_dce_loop): Declare it.
4034         * passes.c (init_optimization_passes): Use it.
4035
4036 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
4037
4038         PR middle-end/24263
4039         * convert.c (convert_to_real): Revert 2005-10-05 patch.
4040         Only apply the optimization for rounding builtins if the inner
4041         cast is also an extension.
4042
4043 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
4044
4045         PR tree-opt/23946
4046         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
4047         mark_new_vars_to_rename instead of update_stmt.
4048
4049 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4050
4051         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
4052
4053 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
4054
4055         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
4056         for setting MMX register to 0 rather than mmx.
4057
4058 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
4059
4060         PR target/12098
4061         * configure.ac: Move gas check from mips specific case to common case.
4062         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
4063         * configure: Regenerate
4064         * doc/install.texi: Update.
4065
4066 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4067
4068         PR target/24284
4069         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
4070
4071 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
4072
4073         * gcc.c (do_spec_1): Accept numeric characters in file name
4074         suffixes.
4075
4076 2005-10-10  Nick Clifton  <nickc@redhat.com>
4077
4078         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
4079         describing the deleted arm_gen_rotated_half_load function.
4080
4081 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
4082
4083         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
4084         __fpscr_values.
4085
4086 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
4087
4088         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
4089         gnu_ld assignments.
4090         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
4091         (EXTRA_MULTILIB_PARTS): Define.
4092         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4093         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4094         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
4095         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
4096         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
4097         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
4098
4099 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
4100
4101         PR tree-optimization/24226
4102         * tree-cfg.c (remove_bb): Clean up unreachable loops.
4103         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
4104         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
4105         Export.
4106
4107 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
4108
4109         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
4110
4111 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
4112
4113         PR target/24136
4114         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
4115         Rewrite for no need for the early clobber.
4116
4117 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4118
4119         Merge from csl-arm-branch:
4120         2005-09-07  Paul Brook  <paul@codesourcery.com>
4121         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
4122         space to string.
4123
4124         2005-04-30  Paul Brook  <paul@codesourcery.com>
4125         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
4126         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
4127
4128         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
4129         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
4130         (arm_override_options): Use TARGET_AAPCS_BASED.
4131         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
4132         (PTRDIFF_TYPE): Use int for AAPCS.
4133         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
4134         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
4135         (DEFAULT_SHORT_ENUMS): Delete.
4136         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
4137
4138         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
4139         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
4140         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
4141         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
4142
4143         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
4144         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
4145
4146         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
4147         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
4148
4149         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
4150         * config.gcc (arm*-*-linux-gnueabi): Add it.
4151         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
4152         redefining it.
4153         (TARGET_OS_CPP_BUILTINS): Likeiwse.
4154         * config/arm/linux-eabi.h: New file.
4155         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
4156         (LINUX_TARET_LINK_SPEC): Likewise.
4157         (LINK_SPEC): Use it.
4158         * config/arm/t-linux-eabi: New file.
4159
4160 2005-10-08  Steven Bosscher  <stevenb@suse.de>
4161
4162         PR other/22202
4163         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
4164         spaces.
4165         (PARAM_SMS_DFA_HISTORY): Likewise.
4166
4167 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
4168
4169         PR middle-end/23150
4170         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
4171         (load_register_parameters): Call it.
4172         (check_sibcall_argument_overlap_1): Likewise.
4173         (store_one_arg): Likewise.
4174
4175 2005-10-07  James E. Wilson  <wilson@specifix.com>
4176
4177         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
4178         DImode not VECINT24 for operand 2.
4179
4180         PR target/23644
4181         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
4182         -mtune-arch.
4183
4184         PR target/24193
4185         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
4186         fr_spill): Use destination_operand for operand 0.
4187
4188 2005-10-07  DJ Delorie  <dj@redhat.com>
4189
4190         * varasm.c (output_constant): Limit error to expanding
4191         conversions.
4192
4193 2005-10-07  Richard Guenther  <rguenther@suse.de>
4194
4195         PR middle-end/24227
4196         * fold-const.c (fold_binary): Fix operand types during folding
4197         of X op (A, Y).  Evaluation order of the side-effects of
4198         X and A are frontend-defined, so ensure we honour that even for
4199         tcc_comparison class operands; eased by removing duplicate code.
4200
4201 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4202
4203         * stor-layout.c (layout_type): Do not allow alignment of array
4204         elements to be greater than their size.
4205
4206 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
4207
4208         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
4209         host_xmake_file.
4210         (hppa*-*-linux*): Ditto.
4211         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
4212         * config/host-hpux.c: New.
4213         * config/x-hpux: New.
4214         * config/pa/x-hpux: Remove.
4215         * config/pa/x-linux: Remove.
4216         * config/pa/pa-host.c: Remove.
4217
4218 2005-10-07  Jeff Law  <law@redhat.com>
4219
4220         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
4221         determine whether or not to try and thread outgoing edges.
4222
4223 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
4224
4225         * config/rs6000/rs6000.md (eqsi_power): New.
4226         (neg_eq0si): Add TARGET_POWER to final condition.
4227         (neg_eqsi): Same.
4228
4229 2005-10-06  Richard Henderson  <rth@redhat.com>
4230
4231         * config/rs6000/rs6000.c: Revert last change.
4232
4233 2005-10-06  Richard Henderson  <rth@redhat.com>
4234
4235         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
4236         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
4237
4238 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
4239
4240         PR middle-end/22216
4241         PR middle-end/23651
4242         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
4243         out return_label and naked_return_label.
4244
4245 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4246
4247         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
4248         change.
4249
4250 2005-10-06  Richard Henderson  <rth@redhat.com>
4251
4252         PR tree-opt/22237
4253         * tree-inline.c (declare_return_variable): Handle modify_dest not
4254         being a DECL.
4255
4256 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
4257
4258         Fix PR tree-optimization/22488
4259         * tree-ssa-structalias.c (check_for_overlaps): New function.
4260         (create_variable_info_for): Use it.
4261
4262 2005-10-06  Richard Henderson  <rth@redhat.com>
4263
4264         PR debug/24070
4265         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
4266         (dwarf2out_start_source_file): Print it.
4267
4268 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
4269
4270         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
4271
4272 2005-10-06  Richard Henderson  <rth@redhat.com>
4273
4274         PR 23706
4275         * mode-switching.c (optimize_mode_switching): Clear transp bit
4276         for block with incomming abnormal edges.
4277
4278         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
4279         (fpscr_set_from_mem): Use them.
4280         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
4281         (fpscr postinc splitters): Rewrite as peephole2+split.
4282
4283 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
4284
4285         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
4286         (eq<mode>_compare): Same.
4287
4288 2005-10-06  Richard Guenther  <rguenther@suse.de>
4289
4290         PR tree-optimization/24238
4291         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
4292
4293 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
4294
4295         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
4296         here.  Use AC_PATH_PROG for environment variables instead of
4297         test -x.
4298         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
4299         objdump also.
4300         * configure: Regenerated.
4301
4302 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
4303
4304         PR target/23783
4305         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
4306         then force it into a register.
4307         (call_value): Likewise.
4308
4309 2005-10-06  Richard Henderson  <rth@redhat.com>
4310
4311         PR 24049
4312         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
4313         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
4314         under pass_vectorize.
4315
4316 2005-10-05  Devang Patel  <dpatel@apple.com>
4317
4318         PR Debug/23205
4319         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
4320         handling constants. Check NAMESPACE_DECL context for constants.
4321
4322 2005-10-05  Eric Christopher  <echristo@apple.com>
4323
4324         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
4325
4326 2005-10-05  Richard Henderson  <rth@redhat.com>
4327
4328         PR 23714
4329         * tree-cfg.c (mark_array_ref_addressable_1): New.
4330         (mark_array_ref_addressable): New.
4331         * tree-flow.h (mark_array_ref_addressable): Declare.
4332         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
4333
4334 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
4335
4336         PR middle-end/20606
4337         PR middle-end/24069
4338         * reload.c (subst_reloads): When adding a REG_LABEL to a
4339         jump instruction, also update JUMP_LABEL.
4340
4341 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
4342
4343         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
4344         * bb-reorder.c (copy_bb_p): Use it.
4345         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
4346
4347 2005-10-05  Richard Henderson  <rth@redhat.com>
4348
4349         PR target/23602
4350         * toplev.c (process_options): Warn about unsupported combinations
4351         of unwind tables and omit-frame-pointer.
4352         * config/i386/i386.c (override_options): Similarly.  Enable
4353         accumulate-outgoing-args if not explicitly disabled.
4354
4355 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
4356
4357         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
4358         Handle big endian vs. small endian.
4359         (vec_initv2sf): Handle big endian vs. small endian.
4360         (*vec_extractv2sf_1): Ditto.
4361
4362 2005-10-05  Dale Johannesen  <dalej@apple.com>
4363
4364         * convert.c (convert_to_real):  Don't convert
4365         (float)floor(double d) to floorf((float)d).
4366
4367 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
4368
4369         * config/arm/arm.md (insv): Use gen_int_mode in more places.
4370
4371 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
4372
4373         PR tree-optimization/18587
4374         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
4375         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
4376         build_vuses): Change to VEC type.
4377         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
4378         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
4379         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
4380         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
4381         (get_name_decl): New.  Return DECL_UID of base variable.
4382         (operand_build_cmp): New.  qsort comparison routine.
4383         (operand_build_sort_virtual): New.  Sort virtual build vector.
4384         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
4385         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
4386         (FINALIZE_BASE): Use get_name_decl.
4387         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
4388         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
4389         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
4390         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
4391         direct VEC_* manipulations.
4392         (build_ssa_operands): Call operand_build_sort_virtual.
4393         (copy_virtual_operand, create_ssa_artficial_load_stmt,
4394         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
4395         with direct VEC_* manipulations.
4396         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
4397         with direct VEC manipulations.
4398
4399 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
4400
4401         PR tree-optimization/21419
4402         PR tree-optimization/24146
4403         PR tree-optimization/24151
4404
4405         * c-typeck.c (readonly_error): Handle USE being lv_asm.
4406         (build_asm_expr): Call it if outputs are read-only.
4407         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
4408
4409 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
4410             Paolo Bonzini  <bonzini@gnu.org>
4411
4412         PR target/23809
4413
4414         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
4415         enable the instructions and not just the built-ins.
4416         * doc/invoke.texi (x86 Options): Likewise.
4417
4418 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
4419
4420         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
4421
4422         * doc/invoke.texi (Option Summary): Correct spelling
4423         of -mmacosx-version-min.
4424
4425 2005-10-04  Devang Patel  <dpatel@apple.com>
4426
4427         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
4428         real types.
4429
4430 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
4431
4432         * tree-vect-transform.c (vect_create_epilog_for_reduction):
4433         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
4434
4435 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
4436
4437         * config/s390/s390.md ("TDSI","DP"): New mode macros.
4438         ("TE","tg"): New mode attributes.
4439         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
4440         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
4441         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
4442         dword_mode and one for GPRmode.
4443
4444 2005-10-04  Ian Lance Taylor  <ian@airs.com>
4445
4446         PR preprocessor/13726
4447         * c-ppoutput.c (cb_include): Add comments parameter, and print out
4448         any comments passed in.
4449
4450 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4451
4452         * tree.c (annotate_with_file_line): Fix typo.
4453
4454 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4455
4456         PR ada/19382
4457         * builtins.c (fold_builtin_memcmp): When constructing the pointer
4458         type used to access data in the inlined length == 1 case, use
4459         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
4460         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
4461
4462 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
4463
4464         * config/i386/i386.h (TARGET_FISTTP): Enable also for
4465         TARGET_SSE3 and only for TARGET_80387.
4466         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
4467         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
4468         Do not depend on TARGET_80387.
4469
4470 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4471
4472         * tree.c (last_annotated_node): Change type to location_t*.
4473         (annotate_with_file_line): Reflect the change of
4474         last_annotated_node type.
4475
4476 2005-10-04  Richard Guenther  <rguenther@suse.de>
4477
4478         PR c/23576
4479         * c-decl.c (grokdeclarator): Don't write to fields
4480         of error_mark_node.
4481
4482 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
4483
4484         PR middle-end/23125
4485         * c-decl.c (finish_decl): Use set_user_assembler_name even for
4486         register variables.
4487         * varasm.c (make_decl_rtl): If a register variable does not
4488         have a set user assmbler name, error out.
4489         Decode the asmspec is now name+1 bypassing '*'.
4490
4491 2005-10-04  Steven Bosscher  <stevenb@suse.de>
4492
4493         PR tree-optimization/23049
4494         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
4495         of a COND_EXPR is folded before calling fold on the whole rhs of a
4496         conditional assignment.
4497         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
4498         document that a COND_EXPR may appear there.
4499
4500 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
4501
4502         PR 23445
4503         * tree-vrp.c (extract_range_from_assert): If the new numeric
4504         range created out of the assertion contradicts the existing
4505         numeric range of the ASSERT_EXPR variable, make the new range
4506         varying.
4507
4508 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4509
4510         * config/sh/sh.c (sh_register_move_cost): Add case for moving
4511         from T_REGS to FP register class.
4512
4513 2005-10-03  Richard Henderson  <rth@redhat.com>
4514
4515         PR 24135
4516         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
4517         before creating a new one.
4518
4519 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
4520
4521         * config/rs6000/t-aix43 (LDFLAGS): New.
4522         * config/rs6000/t-aix52 (LDFLAGS): New.
4523
4524 2005-10-03  Ian Lance Taylor  <ian@airs.com>
4525
4526         * gimplify.c (find_single_pointer_decl_1): New static function.
4527         (find_single_pointer_decl): New static function.
4528         (internal_get_tmp_var): For a formal variable, set restrict base
4529         information if appropriate.
4530         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
4531         return it.
4532         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
4533         (DECL_GET_RESTRICT_BASE): Define.
4534         (SET_DECL_RESTRICT_BASE): Define.
4535         (decl_restrict_base_lookup): Declare.
4536         (decl_restrict_base_insert): Declare.
4537         (struct tree_decl_with_vis): Add based_on_restrict_p field.
4538         * tree.c (restrict_base_for_decl): New static variable.
4539         (init_ttree): Initialize restrict_base_for_decl.
4540         (copy_node_stat): Copy restrict base information.
4541         (decl_restrict_base_lookup): New function.
4542         (decl_restrict_base_insert): New function.
4543         (print_restrict_base_statistics): New static function.
4544         (dump_tree_statistics): Call print_restrict_base_statistics.
4545
4546 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
4547
4548         PR 24142
4549         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
4550         case of anti-ranges.
4551
4552 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
4553
4554         PR c/18851
4555         * c-typeck.c (tagged_tu_seen): Rename to ...
4556         (tagged_tu_seen_cache): this and add val field.
4557         (comptypes): Move functional to comptypes_internal
4558         and free tagged_tu_seen.
4559         (comptypes_internal): New function and call comptypes_internal
4560         instead of comptypes. Speed up by sibcalling
4561         tagged_types_tu_compatible_p.
4562         (alloc_tagged_tu_seen): New function
4563         (free_all_tagged_tu_seen_up_to): New function.
4564         (tagged_types_tu_compatible_p): Return the val of the seen two
4565         types.
4566         Add that the two types are the same to tagged_tu_seen_base
4567         if they are and call comptypes_internal instead of comptypes.
4568         <case UNION_TYPE>: Speed up common type where the fields are
4569         in the same order.
4570         (function_types_compatible_p): Call comptypes_internal instead of
4571         comptypes.
4572         (type_lists_compatible_p): Likewise.
4573         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
4574
4575 2005-10-02  Matthias Klose  <doko@debian.org>
4576
4577         * doc/invoke.texi: Fix typo and speling error.
4578
4579 2005-10-01  Richard Henderson  <rth@redhat.com>
4580
4581         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
4582
4583 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
4584
4585         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
4586         using --start-group and --end-group.
4587
4588 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4589
4590         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
4591         FIXME note regarding quirky semantics.
4592
4593 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
4594
4595         PR 24141
4596         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
4597         non-null range as a last resort.
4598
4599 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
4600             Diego Novillo  <dnovillo@redhat.com>
4601
4602         PR 23604
4603         * tree-vrp.c (extract_range_from_assert): For !=
4604         assertions, only build an anti-range if LIMIT is a
4605         single-valued range.
4606
4607 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
4608
4609         * arm.md (movqi): On thumb when optimizing, handle loading from
4610         memory by describing this as taking a subreg of a zero-extended load
4611         into an SImode register.
4612         (movhi): Likewise.
4613
4614 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
4615
4616         * reload1.c (merge_assigned_reloads): Do not change any
4617         RELOAD_FOR_OUTPUT_ADDRESS reloads.
4618
4619 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
4620
4621         * Makefile.in (LIPO_FOR_TARGET): Define.
4622         (STRIP_FOR_TARGET): Define.
4623
4624         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
4625         before creating new ones.  Do symlinks before creating the actual
4626         targets.
4627
4628         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
4629         to work out which multilibs are actually being built.
4630
4631 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
4632
4633         * tree-vect-transform.c, config/ms1/ms1.md,
4634         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
4635         Follow spelling conventions.
4636         * doc/invoke.texi, doc/md.texi: Fix typos.
4637
4638 2005-09-30  Andrew Macleod  <amacleod@redat.com>
4639
4640         PR tree-optimization/21430
4641         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
4642         use operands, and set stmt pointer if need be.
4643         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
4644         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
4645         present.
4646
4647 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4648
4649         PR middle-end/24053
4650         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
4651
4652 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
4653
4654         * optabs.c (expand_binop): Initialize first_pass_p.
4655
4656 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
4657
4658         PR middle-end/24109
4659         * c-decl.c (c_write_global_declarations_1): If any
4660         wrapup_global_declaration_2 call returned true, restart the loop.
4661
4662 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
4663
4664         Fix PR tree-optimization/24117
4665         * tree-ssa-structalias.c (find_func_aliases): Strip nops
4666         before considering whether to use anyoffset.
4667
4668 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4669
4670         Revert this patch:
4671
4672         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
4673
4674         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4675         to order operands.
4676         (swap_commutative_operands_with_target): New.
4677
4678 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
4679
4680         PR c/21419
4681         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
4682         read-only.
4683
4684 2005-09-29  Steven Bosscher  <stevenb@suse.de>
4685
4686         PR tree-optimization/23911
4687         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
4688         and IMAGPART_EXPR too.
4689
4690 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
4691
4692         PR 17886
4693         * expmed.c (expand_shift): Move logic to reverse rotation
4694         direction when  rotating by constants ...
4695         * optabs.c (expand_binop): ... here.
4696         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
4697         (ix86_rotrdi3): New pattern.
4698         (rotldi3): Handle 32-bit mode.
4699         (ix86_rotldi3): New pattern.
4700
4701 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
4702
4703         PR target/24102
4704         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
4705         check for numbers that need no bit twiddle.
4706
4707 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
4708
4709         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
4710         multilib to be built.
4711
4712         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
4713         (stage1-start): Delete old libgcc and libunwind before moving
4714         anything into the stage directory.
4715         (stage2-start): Likewise.
4716         (stage3-start): Likewise.
4717         (stage4-start): Likewise.
4718         (stageprofile-start): Likewise.
4719         (stagefeedback-start): Likewise.
4720         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
4721         header in tm_file and CPU-specific t-darwin in tmake_file.
4722         (i[34567]86-*-darwin*): Don't change tm_file.
4723         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
4724         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
4725         shared library stub for target OS version.
4726         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
4727         (SHLIB_LINK): Don't make SHLIB_SOLINK.
4728         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
4729         (libgcc_s.%.dylib): New.
4730         (LIBGCC): Define.
4731         (install-darwin-libgcc-stubs): New.
4732         (INSTALL_LIBGCC): New append.
4733         * config/i386/darwin-libgcc.10.4.ver: New.
4734         * config/i386/darwin-libgcc.10.5.ver: New.
4735         * config/i386/t-darwin: New.
4736         * config/rs6000/darwin-libgcc.10.4.ver: New.
4737         * config/rs6000/darwin-libgcc.10.5.ver: New.
4738         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
4739         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
4740
4741 2005-09-28  Paul Brook  <paul@codesourcery.com>
4742
4743         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
4744         denormals.
4745
4746 2005-09-28  Richard Guenther  <rguenther@suse.de>
4747
4748         PR tree-optimization/23853
4749         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
4750         host_integerp to verify misalignment value.
4751
4752 2005-09-28  Richard Henderson  <rth@redhat.com>
4753
4754         * builtins.c (get_builtin_sync_mode): New.
4755         (expand_builtin_sync_operation): Pass in mode argument.
4756         (expand_builtin_compare_and_swap): Likewise.
4757         (expand_builtin_lock_test_and_set): Likewise.
4758         (expand_builtin_lock_release): Likewise.
4759         (expand_builtin): Update to match.
4760
4761 2005-09-28  Nick Clifton  <nickc@redhat.com>
4762
4763         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
4764         formatting.  Add check to PLUS case to ensure that the offset is
4765         within an acceptable range.
4766
4767         * config/v850/v850.md (casesi): Disable the generation of the
4768         switch pattern as it is not being handled properly at the moment.
4769
4770         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
4771         for when the high words are identical.
4772
4773 2005-09-27  Richard Henderson  <rth@redhat.com>
4774
4775         * pretty-print.c (pp_base_format): Fix typo for %>.
4776
4777 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
4778             Devang Patel  <dpatel@apple.com>
4779
4780         PR tree-optimization/23625
4781         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
4782         LABEL_EXPR, assertion check.
4783
4784 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
4785
4786         * optabs.c (no_conflict_move_test): Check if a result of a
4787         to-be-moved insn would be clobbered by an originally
4788         preceding insn.
4789
4790 2005-09-27  Jeff Law  <law@redhat.com>
4791
4792         * passes.c (init_optimization_passes): Replace copy propagation
4793         passes immediately after DOM with phi-only copy propagation
4794         pases.  Add phi-only copy propagation pass after first DOM pass.
4795         * tree-pass.h (pass_phi_only_copy_prop): Declare.
4796         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
4797         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
4798         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
4799         to init_copy_prop.  Callers updated.
4800         (do_phi_only_copy_prop): New function.
4801         (pass_phi_only_copy_prop): New pass descriptor.
4802
4803 2005-09-27  Nick Clifton  <nickc@redhat.com>
4804
4805         * libgcc2.c (__popcount_tab): Remove redundant prototype.
4806
4807 2005-09-26  Jason Merrill  <jason@redhat.com>
4808
4809         PR c++/13764
4810         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
4811
4812         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
4813
4814 2005-09-26  James E Wilson  <wilson@specifix.com>
4815
4816         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
4817         copyright.  Add gcc copyright plus libgcc exception.
4818         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
4819         copyright.
4820         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
4821
4822 2005-09-26  Jeff Law  <law@redhat.com>
4823
4824         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
4825         about when to iterate.
4826
4827 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
4828
4829         PR target/23847
4830         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4831         for __complex__ double in -mcpu=G5 mode.
4832
4833 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
4834
4835         PR tree-optimization/23942
4836         * Makefile.in (SCEV_H): Depends on PARAMS_H.
4837         * tree-scalar-evolution.c: Include params.h.
4838         (t_bool): New enum.
4839         (follow_ssa_edge, follow_ssa_edge_in_rhs,
4840         follow_ssa_edge_in_condition_phi_branch,
4841         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4842         Change return type to t_bool.  Use a parameter to limit the size of
4843         trees that are walked before stopping
4844         (analyze_evolution_in_loop): Initialize the limit to 0.
4845         (follow_ssa_edge): Give up by returning t_dont_know if the limit
4846         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4847
4848 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4849
4850         PR middle-end/23831
4851         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4852         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4853
4854 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
4855
4856         * combine.c (make_extraction): Check for valid use of subreg.
4857
4858 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
4859
4860         PR target/24055
4861         * config/i386/i386.md ("*fistdi2_1"): New pattern.
4862         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4863         ("fist<mode>2_with_temp"): Use only register operands.
4864
4865 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
4866
4867         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4868         CALL_INSN_FUNCTION_USAGE.
4869
4870 2005-09-26  Richard Guenther  <rguenther@suse.de>
4871
4872         PR middle-end/15855
4873         * gcse.c: Include hashtab.h, define ldst entry hashtable.
4874         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4875         (ldst_entry): Use the hashtable instead of list-walking.
4876         (find_rtx_in_ldst): Likewise.
4877         (free_ldst_entry): Free the hashtable.
4878         (compute_ld_motion_mems): Create the hashtable.
4879         (trim_ld_motion_mems): Remove entry from hashtable if
4880         removing it from list.
4881         (compute_store_table): Likewise^2.
4882         (store_motion): Free hashtable in case we did not see
4883         any stores.
4884
4885 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
4886
4887         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4888         and arg1 if we are passing them to fold_build2.
4889
4890 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
4891
4892         PR 23828
4893         * config/i386/i386.c (ix86_function_regparm): Fix the test for
4894         a nested function.
4895
4896 2005-09-25  Richard Henderson  <rth@redhat.com>
4897
4898         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4899         SYMBOL_REF_TLS_MODEL to be correct.
4900
4901 2005-09-24  Richard Henderson  <rth@redhat.com>
4902
4903         * ipa-type-escape.c (discover_unique_type): Remove dead code at
4904         end of function.  Reindent.
4905
4906 2005-09-24  Ian Lance Taylor  <ian@airs.com>
4907
4908         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4909         NEGATE_EXPR/BIT_NOT_EXPR case.
4910
4911 2005-09-24  Richard Henderson  <rth@redhat.com>
4912
4913         * c-common.c (handle_mode_attribute): When not modifying in place,
4914         create subtypes for enumerations.
4915         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4916         * gimplify.c (create_tmp_from_val): Likewise.
4917
4918 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
4919
4920         * config/i386/i386.md (*tls_global_dynamic_64,
4921         *tls_local_dynamic_base_64): Add missing mode to call.
4922         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4923
4924 2005-09-24  Jan Hubicka  <jh@suse.cz>
4925
4926         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4927         (cgraph_clone_node): Likewise.
4928         * cgraph.h (cgraph_clone_edge): Update prototype.
4929         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4930         duplicated prototypes; add updating argument.
4931         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4932         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4933         updating profile.
4934         (cgraph_mark_inline_edge): Likewise.
4935         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4936         (cgraph_flatten_node): Likewise.
4937         (cgraph_decide_recursive_inlining): Likewise.
4938         (cgraph_decide_inlining_of_small_function): Likewise.
4939         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4940
4941 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4942             Pete Steinmetz <steinmtz@us.ibm.com>
4943
4944         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4945         (rldic.): Set type to "compare".
4946         (rldicr.): Same.
4947         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
4948         mfjmpr for MFCTR/MFLR.
4949         (movdf_hardfloat64): Same.
4950         (movdf_softfloat64): Same.  Correct order of store and move types.
4951         (movti_string): Set type to store_ux/load_ux.
4952         (load_multiple): Set type to load_ux.
4953         (store_multiple): Set type to store_ux.
4954         (movmemsi): Set type to store_ux.
4955         (output_cbranch direct_return): Set type to jmpreg.
4956         (stmw): Set type to store_ux.
4957         (lmw): Set type to load_ux.
4958         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4959         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4960         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4961         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4962         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4963         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4964         (rios1-fpstore): Increase latency to 3.
4965         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4966         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4967
4968 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
4969             Andrew Pinski  <pinskia@physics.uc.edu>
4970
4971         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4972         operand2 constraint to "b".
4973         (sync_<fetchop_name>di_internal): Same.
4974         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4975         to "b".
4976         (sync_old_<fetchop_name>di_internal): Same.
4977         (sync_new_<fetchop_name>si_internal): Same.
4978         (sync_new_<fetchop_name>di_internal): Same.
4979
4980 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
4981
4982         PR middle-end/23991
4983         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4984         case, define as macros.
4985
4986         PR rtl-optimization/23837
4987         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
4988         clobber / clobber match between dest and p->first.
4989
4990         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4991         (no_conflict_move_test): Update comments.
4992
4993 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
4994
4995         * doc/install.texi: Update URL for Jacks.
4996         * doc/sourcebuild.texi: Likewise.
4997
4998 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
4999
5000         PR target/24007
5001         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
5002         registers when choosing register preferences.
5003         (movdf_hardfloat64): Same.
5004
5005 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
5006
5007         * expmed.c (expand_shift): Don't use the target of the rotate as
5008         target for the first expanded shift insn.
5009         * testsuite/gcc.dg/20050922-1.c: Testcase added.
5010
5011 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
5012
5013         PR tree-optimization/22438
5014         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
5015         preserved iv rhs rewriting specially.
5016
5017 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
5018
5019         * tree-data-ref.c (analyze_array_indexes): Only estimate when
5020         estimate_only  is true.
5021         * tree-flow.h (ref_contains_indirect_ref): New prototype.
5022         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
5023         tree-ssa-structalias.c
5024         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
5025         ref_contains_indirect_ref.
5026         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
5027
5028 2005-09-21  DJ Delorie  <dj@redhat.com>
5029
5030         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
5031         MASK_PTR_A0D0.
5032         (mn10300_return_in_memory): Support variable size types also.
5033         (mn10300_pass_by_reference): Likewise.
5034         (mn10300_function_value): New.
5035         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
5036         (FUNCTION_OUTGOING_VALUE): Likewise.
5037         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
5038         * doc/invoke.texi: Document it.
5039
5040 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
5041
5042         PR target/22585
5043         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
5044         force integer op1 into register for XFmode compares.
5045
5046 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
5047
5048         PR middle-end/23971
5049         * expmed.c (alg_code): Add alg_impossible.
5050         (alg_hash_entry): Add cost.
5051         (synth_mult): Record alg_impossible in the hash table if
5052         multiplication by a given integer is impossble within the
5053         limit.  Speed up using alg_impossible.
5054
5055 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5056
5057         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
5058         argument.  Allow and set any offset if needs_anyoffset is passed
5059         in.
5060         (get_constraint_for): Add argument here too.
5061         Pass it down.
5062         (do_structure_copy): Pass NULL to get_constraint_for.
5063         (handle_ptr_arith): Ditto.
5064         (find_func_aliases): Ditto.
5065
5066 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
5067
5068         PR rtl-optimization/23898
5069         * output.h (get_attr_min_length): Declare.
5070         * final.c (get_attr_length_1): New function, broken out of:
5071         (get_attr_length).
5072         (get_attr_min_length): New function.
5073         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
5074         (duplicate_computed_gotos): Likewise.
5075         * genattr.c (insn_min_length): Generate declaration.
5076         * genattrtab.c (min_fn, min_attr_value): New functions.
5077         (make_length_attrs): Generate insn_min_length.
5078
5079 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
5080
5081         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
5082
5083 2005-09-20  Richard Henderson  <rth@redhat.com>
5084
5085         PR tree-optimization/24059
5086         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
5087         EXPAND_STACK_PARM.
5088
5089 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
5090
5091         * c.opt (fextended-identifiers): New.
5092         * c-opts.c (c_common_handle_option): Handle
5093         -fextended-identifiers.
5094         * doc/cpp.texi: Update documentation of extended identifiers.
5095         * doc/cppopts.texi (-fextended-identifiers): Document.
5096
5097 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
5098
5099         PR tree-optimization/23929
5100         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
5101         if expr is NULL.
5102
5103         PR tree-optimization/23818
5104         * tree-stdarg.c (execute_optimize_stdarg): Call
5105         calculate_dominance_info.
5106
5107 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
5108
5109         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
5110         (analyze_siv_subscript_cst_affine): Add weak SIV test.
5111         (compute_overlap_steps_for_affine_1_2): Use
5112         get_number_of_iters_for_loop.
5113         (analyze_subscript_affine_affine): Check whether difference is
5114         zero first.
5115         Use get_number_of_iters_for_loop.
5116         Check whether overlap occurs outside of bounds.
5117         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
5118
5119 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
5120
5121         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
5122         base register if possible.
5123
5124 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
5125
5126         PR tree-optimization/18463
5127         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
5128         converting it directly is not possible.
5129         (chrec_convert_aggressive): New function.
5130         * tree-chrec.h (chrec_convert_aggressive): Declare.
5131         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
5132         Fold chrec conversions aggressively if asked to.
5133         (instantiate_parameters): Modified because of changes in
5134         instantiate_parameters_1.
5135
5136 2005-09-19  Richard Henderson  <rth@redhat.com>
5137
5138         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
5139         (reduc_splus_v2df): New.
5140
5141 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
5142
5143         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
5144         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
5145
5146 2005-09-19  Richard Henderson  <rth@redhat.com>
5147
5148         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
5149         vcondu<SSEMODE12>.
5150
5151 2005-09-19  Richard Henderson  <rth@redhat.com>
5152
5153         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
5154         (ia64_expand_dot_prod_v8qi): New.
5155         * config/ia64/ia64-protos.h: Update.
5156         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
5157         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
5158         sdot_prodv8qi, sdot_prodv4hi): New.
5159         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
5160
5161 2005-09-19  Richard Henderson  <rth@redhat.com>
5162
5163         PR 23941
5164         * real.c (exact_real_truncate): Return false if the format cannot
5165         represent the number as a normal.
5166
5167         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
5168         for a memory source.
5169
5170 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
5171
5172         * tree-ssa-operands.c (swap_tree_operands): Export.
5173         * tree.h (swap_tree_operands): Declare.
5174         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
5175         Call swap_tree_operands.
5176
5177 2005-09-19  Richard Henderson  <rth@redhat.com>
5178
5179         * tree-flow.h (merge_alias_info): Declare.
5180         * tree-ssa-copy.c (merge_alias_info): Export.
5181         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
5182         (vect_create_data_ref_ptr): Use create_iv directly.
5183         (vectorizable_load): Use correct types for integer constants.
5184         (vect_generate_tmps_on_preheader): Likewise.
5185         (vect_gen_niters_for_prolog_loop): Likewise.
5186
5187 2005-09-19  Steven Bosscher  <stevenb@suse.de>
5188
5189         PR rtl-optimization/23943
5190         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
5191
5192 2005-09-18  Jan Hubicka  <jh@suse.cz>
5193
5194         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
5195
5196 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
5197
5198         * varasm.c (output_constant): Do not abort on conversions to union
5199         types between different sizes.
5200
5201 2005-09-18  Richard Guenther  <rguenther@suse.de>
5202
5203         PR middle-end/23944
5204         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
5205         fallback.
5206
5207 2005-09-18  Paul Brook  <paul@codesourcery.com>
5208
5209         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
5210
5211 2005-09-17  Richard Henderson  <rth@redhat.com>
5212
5213         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
5214         * tree-ssa-loop.c (pass_vect_dce): Remove.
5215         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
5216         of pass_vectorize.
5217
5218 2005-09-17  Richard Henderson  <rth@redhat.com>
5219
5220         * tree-pass.h (pass_vect_dce): Declare.
5221         * passes.c (init_optimization_passes): Add it.
5222         * tree-flow.h (tree_ssa_dce): Declare.
5223         * tree-ssa-dce.c (tree_ssa_dce): Export.
5224         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
5225         (gate_tree_vectorize): ... here.
5226         (pass_vect_dce): New.
5227
5228 2005-09-17  Jan Hubicka  <jh@suse.cz>
5229
5230         * except.c (struct eh_status): Turn region_array into vec.
5231         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
5232         convert_from_eh_region_ranges, find_exception_handler_labels,
5233         current_function_has_exception_handlers, assign_filter_values,
5234         build_post_landing_pads, dw2_build_landing_pads,
5235         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
5236         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
5237         foreach_reachable_handler, can_throw_internal_1,
5238         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
5239         region_array.
5240         (duplicate_eh_region_1): Update region_array.
5241         (duplicate_eh_regions): Resize region_array and avoid recomputing.
5242
5243 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
5244
5245         PR middle-end/22067
5246         * expmed.c (expand_mult): Substitute simple register for op0 when
5247         computing max_cost.
5248
5249 2005-09-17  Richard Henderson  <rth@redhat.com>
5250
5251         * expr.c (emit_move_via_integer): Add force argument, pass it on
5252         to emit_move_change_mode.  Update callers.
5253         (emit_move_complex): Pass true to new force argument.
5254         * function.c (expand_function_end): Move expand_eh_return call
5255         earlier.  Merge sub-word complex values into a pseudo before
5256         copying to the return hard register.
5257
5258 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
5259
5260         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
5261         between different sizes.
5262
5263 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
5264
5265         PR 23903
5266
5267         * passes.c (init_optimization_passes): Register dump files for
5268         IPA passes first.
5269
5270 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
5271
5272         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
5273         * config/s390/s390.c (s390_overlap_p): New function.
5274         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
5275         peephole2, "*xc" peephole2): Added overlap check to the peephole2
5276         condition.
5277
5278 2005-09-16  Richard Guenther  <rguenther@suse.de>
5279
5280         * ipa-pure-const.c (static_execute): Free auxiliar information.
5281         * ipa-type-escape.c (discover_unique_type): Free temporary key.
5282         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
5283
5284 2005-09-15  DJ Delorie  <dj@redhat.com>
5285
5286         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
5287
5288 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
5289
5290         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
5291         to order operands.
5292         (swap_commutative_operands_with_target): New.
5293
5294 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
5295
5296         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
5297         parameter.
5298         Update callers.
5299         (estimate_iters_using_array): New function.
5300         * tree-data-ref.h (estimate_iters_using_array): Prototype
5301         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5302         Use estimate_iters_using_array instead of analyze_array.
5303
5304 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
5305
5306         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
5307         as addressable.
5308
5309 2005-09-15  Michael Matz  <matz@suse.de>
5310
5311         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
5312
5313 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
5314
5315         PR tree-optimization/23835
5316         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
5317         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
5318
5319 2005-09-14  Richard Henderson  <rth@redhat.com>
5320
5321         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
5322         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
5323
5324 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
5325
5326         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
5327         in the ARRAY_TYPE case.
5328
5329 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
5330
5331         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
5332
5333 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
5334
5335         PR middle-end/22480
5336         * tree-vect-transform.c (vectorizable_operation): Return false for
5337         scalar shift operations and for vector shift operations with
5338         non-invariant shift arguments.  Use scalar tree operand op1 as
5339         a shift operand when vector shift insn pattern uses scalar shift
5340         operand.
5341         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
5342
5343 2005-09-14  Olivier Hainque  <hainque@adacore.com>
5344
5345         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
5346         value if it has side-effects.
5347
5348 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
5349
5350         PR target/22068
5351         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
5352
5353 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
5354
5355         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
5356         passed as NAME as if it were label at start of function code.
5357
5358 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
5359
5360         * config/sh/sh.md (*movv4sf_i): Add general register cases to
5361         the constraints.
5362
5363 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
5364
5365         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
5366         as early clobber.  Rewrite so the PIC register is not implicitly used.
5367
5368 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5369
5370         * tree.c (annotate_with_file_line): Compare line numbers before
5371         file names.
5372
5373 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
5374
5375         PR target/23816
5376         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
5377         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
5378
5379 2005-09-13  Ian Lance Taylor  <ian@airs.com>
5380
5381         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
5382         than a HOST_WIDEST_INT to gen_doloop_begin.
5383
5384 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
5385
5386         * tree-dfa.c (dump_variable): Guard against NULL annotations.
5387
5388 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
5389
5390         PR tree-optimize/23817
5391         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
5392
5393 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
5394
5395         PR target/23774
5396         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
5397         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
5398         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
5399         (restore_stack_nonlocal): Likewise.
5400         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
5401
5402 2005-09-12  Ian Lance Taylor  <ian@airs.com>
5403
5404         PR g++/7874
5405         * c.opt (ffriend-injection): New C++ option.
5406         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
5407         (C++ Dialect Options): Document -ffriend-injection.
5408
5409 2005-09-12  Josh Conner  <jconner@apple.com>
5410
5411         PR middle-end/23237
5412         * ipa-reference.c (static_execute): Don't mark variables in
5413         named sections TREE_READONLY.
5414
5415 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5416
5417         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
5418         stack_tie.
5419
5420 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
5421
5422         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
5423         V_MUST_DEF instead of just the first_use_p.
5424         Don't mark the virtual variables for renaming on the statement which
5425         is being removed.
5426         (pass_dse): Remove TODO_update_ssa.
5427
5428 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
5429
5430         PR middle-end/23290
5431         * stor-layout.c (compute_record_mode): For records with a single
5432         field, actually check the field's mode size against the type size.
5433
5434         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
5435         registers for TARGET_SHMEDIA.
5436         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
5437         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
5438         of GENERAL_REGS and FP_REGS.
5439
5440 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5441
5442         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
5443
5444 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
5445
5446         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
5447         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
5448         are omitted.  Exclude stack_tie insn too.
5449
5450 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
5451
5452         PR rtl-optimization/23098
5453         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
5454         0.0f is easy.
5455         * config/rs6000/rs6000.md (movdf splitter): Use
5456         const_double_operand predicate for TARGET_POWERPC64.
5457         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
5458         SYMBOL_REF method to ABI_V4.
5459
5460         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
5461         replace_equiv_address.
5462         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
5463         rs6000_sr_alias_set and MEM_NOTRAP.
5464         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
5465
5466 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
5467
5468         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
5469         handle CALL_EXPR again.
5470
5471 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5472
5473         * arm/predicates.md (alignable_memory_operand): Delete.
5474
5475 2005-09-10  Richard Henderson  <rth@redhat.com>
5476
5477         PR debug/23806
5478         * dbxout.c (dbxout_expand_expr): New.
5479         (dbxout_symbol): Use it.
5480
5481 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
5482
5483         * arm.c (arm_gen_rotated_half_load): Delete.
5484         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
5485         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
5486         (thumb_set_return_address): Likewise.
5487         (thumb_load_double_from_address): Use adjust_address.
5488         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
5489         (extendhsisi2_mem, movhi_bytes): Use change_address.
5490         (movhi): Use widen_memory_access.
5491         (reload_out_df): Use replace_equiv_address.
5492         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
5493
5494 2005-09-09  Richard Henderson  <rth@redhat.com>
5495
5496         PR debug/20998
5497         * dbxout.c: Include expr.h.
5498         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
5499         (dbxout_symbol): Handle DECL_VALUE_EXPR.
5500         * Makefile.in (dbxout.o): Add EXPR_H.
5501
5502 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
5503
5504         PR tree-optimization/23509
5505         * tree-cfg.c (replace_uses_by): Use replace_exp.
5506         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
5507         pointers have name_mem_tag or type_mem_tag set.
5508
5509 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5510
5511         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
5512         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
5513         of wrongly accessing operands.
5514
5515 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
5516
5517         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
5518         * tree-chrec.c: Include tree-scalar-evolution.h.
5519         (chrec_convert): Instantiate the base and step before calling
5520         scev_probably_wraps_p that would fail on parametric evolutions.
5521         Collect all the fails into a single section failed_to_convert,
5522         print a diagnostic, and return chrec_dont_know instead of calling
5523         fold_convert.
5524         * tree-scalar-evolution.c (loop_closed_phi_def): New.
5525         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
5526         phi nodes.
5527         (scev_const_prop): Don't replace the definition of a loop closed ssa
5528         phi node by itself, or by another loop closed ssa phi node.
5529         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
5530         that base and step are defined.
5531
5532 2005-09-09  Richard Guenther  <rguenther@suse.de>
5533
5534         PR c++/23624
5535         * fold-const.c (fold_ternary): Check truth_value_p before
5536         calling invert_truthvalue.
5537
5538 2005-09-09  Nick Clifton  <nickc@redhat.com>
5539
5540         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
5541         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
5542         dimension of these arrays.
5543         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
5544         these arrays.
5545         * longlong.h: Only provide a prototype for the __clz_tab[] array
5546         if this header has not been included from libgcc2.h.
5547         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
5548         defining own types.
5549         Provide prototypes for exported functions.
5550         Use the __clz_tab[] and __popcount_tab[] arrays provided by
5551         libgcc2.c.
5552
5553 2005-09-08  Josh Conner  <jconner@apple.com>
5554
5555         PR c++/21135
5556         PR c++/23180
5557         * expr.c (expand_expr_addr_expr_1): Don't invoke
5558         expand_simple_binop for EXPAND_INITIALIZER.
5559
5560 2005-09-08  Richard Henderson  <rth@redhat.com>
5561
5562         PR debug/23190
5563         * toplev.c (wrapup_global_declaration_1): Split out ...
5564         (wrapup_global_declaration_2): ... from ...
5565         (wrapup_global_declarations): ... here.  Return bool.
5566         (check_global_declaration_1): Split out ...
5567         (check_global_declarations): from here.
5568         (emit_debug_global_declarations): New.
5569         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
5570         check_global_declaration_1, emit_debug_global_declarations): Declare.
5571         * c-decl.c (c_write_global_declarations_1): Don't create a vector
5572         of decls.  Call wrapup_global_declaration_1,
5573         wrapup_global_declaration_2, check_global_declaration_1 directly.
5574         (c_write_global_declarations_2): New.
5575         (ext_block): New.
5576         (c_write_global_declarations): Call c_write_global_declarations_2.
5577         * langhooks.c (write_global_declarations): Call
5578         emit_debug_global_declarations.
5579
5580         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
5581         remove decls that have DECL_RTL_SET_P.
5582         * passes.c (rest_of_decl_compilation): Invoke
5583         cgraph_varpool_finalize_decl for all but functions.
5584
5585 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5586
5587         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
5588         the result of a conversion if the new min and max cannot be compared.
5589
5590 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
5591
5592         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
5593         (override_options): Setting s390_sr_alias_set removed.
5594         (save_fpr, save_gprs): Set alias set to vararg or frame.
5595         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
5596         s390_sr_alias_set with get_frame_alias_set ().
5597         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
5598         get_varargs_alias_set ().
5599
5600 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5601
5602         PR objc/20574
5603         PR objc/19324
5604         * c-parser.c (c_parser_objc_method_definition): If the next
5605         token is not "{", error out and don't start the function.
5606
5607 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
5608
5609         * tree-vrp.c (extract_range_from_expr): Move the check for non
5610         nullness after the check for gimple invariant.
5611
5612 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
5613
5614         * tree.c (host_integerp, tree_low_cst): Correct function comment.
5615
5616 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5617
5618         PR target/23747
5619         * config/m32r.md (movmemsi_internal): Canonicalize order of
5620         operands in PLUS component of template.
5621
5622 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5623
5624         * reload1.c (fixup_eh_region_note): Remove assertion.
5625         (fixup_abnormal_edges): Reverted removal of call to
5626         find_many_sub_basic_blocks made on 2005-08-31.
5627
5628 2005-09-07  Richard Henderson  <rth@redhat.com>
5629
5630         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
5631         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
5632         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
5633         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
5634         rearrange for better packing.
5635         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
5636         (lookup_cfa_1): Remove inline marker.
5637         (cfa_equal_p): Split out of ...
5638         (def_cfa_1): ... here.  Use INVALID_REGNUM.
5639         (build_cfa_loc): Handle !cfa->indirect.
5640         (frame_pointer_cfa_offset): New.
5641         (dbx_reg_number): Assert register elimination performed; do
5642         leaf register remapping.
5643         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
5644         (eliminate_reg_to_offset): New.
5645         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
5646         for verifiably local stack frame addresses; re-base to CFA.
5647         (mem_loc_descriptor): Remove can_use_fbreg argument.
5648         (concat_loc_descriptor, loc_descriptor): Likewise.
5649         (containing_function_has_frame_base): Remove.
5650         (rtl_for_decl_location): Don't do register elimination or
5651         leaf register remapping here.
5652         (secname_for_decl): Split out from ..
5653         (add_location_or_const_value_attribute): ... here.
5654         (convert_cfa_to_loc_list): New.
5655         (compute_frame_pointer_to_cfa_displacement): New.
5656         (gen_subprogram_die): Use them.
5657         * tree.h (frame_base_decl): Remove.
5658         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
5659         (prologue_stack_adjust): Remove.
5660         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
5661         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
5662         (set_frame_base_location): Remove.
5663         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
5664         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
5665         (vt_add_function_parameters): Don't eliminate_regs.
5666         (vt_initialize): Don't create frame_base_decl.
5667
5668 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5669
5670         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
5671         version of GNU binutils for 4.x and later.
5672
5673 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
5674
5675         * ggc-page.c (ggc_push_context): Remove.
5676         (ggc_pop_context): Likewise.
5677         * ggc.h (ggc_push_context): Remove.
5678         (ggc_pop_context): Likewise.
5679
5680 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5681
5682         PR target/8973
5683         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
5684         returning from an interrupt handler.
5685
5686 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5687
5688         PR target/8972
5689         * config/arc/arc.c (output_shift): Add check for loop count when
5690         optimizing.
5691
5692 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5693
5694         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
5695         form manually.
5696         (abs_replacement): Likewise.
5697         (pass_phiopt): Remove TODO_update_ssa.
5698
5699 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5700
5701         PR c/23075
5702         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
5703         if "return with no value, in function returning non-void" warning
5704         has been issued.
5705         * tree-cfg.c (execute_warn_function_return): Don't look at
5706         RETURN_EXPRs with TREE_NO_WARNING set.
5707
5708         PR target/22362
5709         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
5710         for internal functions doesn't use registers used by global registers
5711         variables.  Use fewer register parameters if there are global register
5712         variables.
5713
5714 2005-09-06  Olivier Hainque  <hainque@adacore.com>
5715             Eric Botcazou  <ebotcazou@adacore.com>
5716
5717         PR middle-end/14997
5718         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
5719         when we would be extracting outside its bit span (bitpos+bitsize
5720         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
5721         Ada unchecked conversions.
5722
5723 2005-09-06  Steven Bosscher  <stevenb@suse.de>
5724
5725         * tree-ssa-pre.c (try_look_through_load): New function.
5726         (compute_avail): Use it to try to look through loads for some
5727         more useful expressions.
5728
5729 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
5730
5731         * simplify-rtx.c (simplify_binary_operation_1): Correct the
5732         condition for detecting cases like (a&a) and (a^a).
5733
5734 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
5735
5736         * common.opt: Add option ftree-vect-loop-version.
5737         * params.def: Add --param vect-max-version-checks.
5738         * doc/invoke.texi: Document ftree-vect-loop-version and
5739         --param vect-max-version-checks.
5740         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
5741         may_misalign_stmts and defines for accessors.
5742         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
5743         LOOP_VINFO_MAY_MISALIGN_STMTS.
5744         (destroy_loop_vec_info): VEC_free for
5745         LOOP_VINFO_MAY_MISALIGN_STMTS.
5746         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
5747         Update documentation.
5748         (vect_update_misalignment_for_peel): New.
5749         (vect_enhance_data_refs_alignment): Update to choose loop
5750         peeling or loop versioning if appropriate for the (potentially)
5751         unaligned data references in the loop.
5752         (vect_analyze_data_refs_alignment): Remove call to
5753         vect_enhance_data_refs_alignment so the checks can be done
5754         earlier.
5755         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
5756         and move up call to vect_analyze_data_refs_alignment.
5757         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
5758         (vect_transform_loop): Add call to loop_version.
5759
5760 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
5761
5762         PR rtl-optimization/23098
5763         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
5764         * simplify-rtx.c (constant_pool_reference_p): New function.
5765         * rtl.h (constant_pool_reference_p): New prototype.
5766         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
5767         constant_pool_reference_p in condition and
5768         avoid_constant_pool_reference in preparation statements.
5769
5770 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
5771
5772         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
5773         STRICT_LOW_PART SETs.
5774
5775 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
5776
5777         PR middle-end/21460
5778         * except.c (sjlj_emit_function_enter): Find the function begin
5779         note even when it's not in first basic block.
5780
5781 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
5782
5783         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
5784         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
5785         * aclocal.m4: Regenerate.
5786
5787 2005-09-05  DJ Delorie  <dj@redhat.com>
5788
5789         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
5790         of macro.
5791
5792 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
5793
5794         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
5795         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
5796         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
5797         Follow spelling conventions.
5798         * doc/invoke.texi: Follow spelling conventions.
5799
5800 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5801
5802         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
5803         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
5804         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
5805
5806 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
5807
5808         PR target/23683
5809         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
5810         (output_stack_adjust): Use gen_tmp_stack_mem.
5811         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
5812         (sh_set_return_address, sh_allocate_initial_value): Likewise.
5813         (sh_get_pr_initial_val): Likewise.
5814         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
5815         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
5816         * sh.md (divsi_inv_m0): Use gen_const_mem.
5817         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
5818         (movdf_i4+1): Use gen_tmp_stack_mem.
5819         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
5820         (fpu_switch+2): Likewise.
5821         (movv4sf_i, movv16sf_i): Use adjust_address.
5822         (symGOT_load): Set MEM_NOTRAP_P bit.
5823
5824 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5825
5826         PR target/23721
5827         * pa.c (emit_move_sequence): Fix typo in last change.
5828
5829 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
5830
5831         PR rtl-optimization/23454
5832         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5833         is true.
5834
5835 2005-09-03  Richard Henderson  <rth@redhat.com>
5836             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5837
5838         PR middle-end/23671
5839         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5840         gen_rtx_MEM.
5841
5842 2005-09-02  Nicolas Pitre <nico@cam.org>
5843
5844         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5845         to bit_count to 32 bits.
5846
5847 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
5848
5849         PR c++/23167
5850         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5851         generating synthetic loads from volatile lvalues.
5852
5853 005-09-02  Nick Clifton  <nickc@redhat.com>
5854
5855         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5856         __ctzhi2, __clzhi2): New functions.
5857
5858 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
5859
5860         PR middle-end/23547
5861         * tree-nested.c (struct var_map_elt): Mark with GTY.
5862         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
5863         var_map_elt.
5864         (lookup_field_for_decl): Allocate new element in GC memory.
5865         (lookup_tramp_for_decl): Likewise.
5866         (convert_nl_goto_reference): Likewise
5867         (create_nesting_tree): Allocate info in GC memory. Likewise for
5868         info->var_map.
5869         (free_nesting_tree): Free with ggc_free instead of free.
5870         (root): New static variable.
5871         (lower_nested_functions): Remove root as local variable.  And zero out
5872         root at the end of the function.
5873
5874 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
5875
5876         PR rtl-optimization/20365
5877         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5878         to short.  New member ix.
5879         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5880         (simplify_plus_minus): Initialize ix members before calling qsort.
5881
5882 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
5883
5884         PR tree-optimization/23626
5885         * tree-cfg.c (replace_uses_by): Clean up eh info.
5886
5887 2005-09-01  DJ Delorie  <dj@redhat.com>
5888
5889         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5890         fprintf.
5891
5892 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
5893
5894         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5895         (rs6000_split_multireg_move): Use replace_equiv_address instead of
5896         gen_rtx_MEM.
5897
5898 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
5899
5900         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
5901         do not issue warning for a variable definition following
5902         a declaration.
5903
5904 2005-09-01  Richard Henderson  <rth@redhat.com>
5905
5906         PR 23668
5907         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5908         conversion to CONST_VECTOR.
5909
5910 2005-09-01  Richard Henderson  <rth@redhat.com>
5911
5912         PR 23676
5913         * reload1.c (reload_as_needed): Check !CALL_P before calling
5914         fixup_eh_region_note.
5915         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5916
5917 2005-09-01  DJ Delorie  <dj@redhat.com>
5918
5919         * varasm.c (output_constant): Let the target resolve
5920         conversions of addresses to non-default pointer sizes.
5921
5922 2005-09-01  Nicolas Pitre <nico@cam.org>
5923
5924         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5925         to alow matching ARM pre-indexed addressing mode.
5926         (arm_override_options): Remove now irrelevant comment.
5927
5928 2005-09-01  Phil Edwards  <phil@codesourcery.com>
5929
5930         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
5931         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
5932         * config/i386/vxworks.h:  Likewise.
5933         * config/i386/t-vxworksae:  New file, for VxWorks AE.
5934         * config/i386/vxworksae.h:  Likewise.
5935
5936 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
5937
5938         PR tree-optimization/23410
5939         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5940         sequence is not wrapping during the first step.
5941
5942 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5943
5944         PR debug/7241
5945         * dwarf2out.c (base_type_die): Compare char_type_node with
5946         TYPE_MAIN_VARIANT (type), not type.
5947
5948 2005-09-01  Richard Guenther  <rguenther@suse.de>
5949
5950         PR tree-optimization/15366
5951         * common.opt: Add -finline-functions-called-once.
5952         Put -fearly-inlining in alphabetically ordered place.
5953         * doc/invoke.texi: Document new option.
5954         * ipa-inline.c (cgraph_decide_inlining): Honour
5955         flag_inline_functions_called_once.
5956
5957 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
5958
5959         PR rtl-optimization/23478
5960         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5961         (alloc_qty): Initialize it.
5962         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5963         (combine_regs): Combine also n_throwing_calls_crossed fields.
5964         (find_free_reg): Don't attempt to caller-save pseudos crossing
5965         calls that might throw.
5966         * global.c (struct allocno): Add throwing_calls_crossed field.
5967         (global_alloc): Revert 2005-08-22 change.  Initialize
5968         throwing_calls_crossed.
5969         (find_reg): Don't attempt to caller-save pseudos crossing calls that
5970         might throw.
5971
5972 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
5973
5974         PR target/23649
5975         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5976         (mask64_operand): Reinstate code prior to 2005-06-11 change.
5977         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5978         (and64_2_operand): Tweak to use predicate.
5979         (and_operand): Adjust for mask_operand changes.
5980         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5981         (print_operand): Likewise.
5982         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5983         (mask64_1or2_operand): Delete.
5984         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5985         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5986         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5987         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5988         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5989         (rotldi3_internal4): Likewise.
5990         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5991         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5992         (ashldi3_internal7): Likewise.
5993         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5994         (ashldi3_internal, ashldi3_internal9 split): Likewise.
5995         (anddi3 split): Don't match mask64_operand.
5996         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
5997         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
5998         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
5999         't' splitter predicate.
6000         (movdi_internal64 + 2): Revert 2005-06-11 change.
6001
6002 2005-08-31  DJ Delorie  <dj@redhat.com>
6003
6004         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
6005         (m32c_asm_integer): Add support for 32 bit pointers.
6006
6007 2005-08-31  Richard Henderson  <rth@redhat.com>
6008
6009         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
6010         component-like references for setting MEM_NOTRAP_P.
6011
6012         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
6013         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
6014
6015 2005-08-31  Richard Henderson  <rth@redhat.com>
6016
6017         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
6018         into a pseudo before applying gen_lowpart.
6019
6020 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
6021
6022         * doc/install.texi (Specific): Update cctools version required
6023         for full functionality.
6024         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
6025         linkers as -macosx_version_min.
6026
6027 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
6028
6029         PR target/21255
6030         * sh.c (print_operand, %R and %S): Add handling of floating point
6031         registers, memory, constants and invalid operands.
6032
6033 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
6034
6035         * ipa-pure-const.c: Change dump name.
6036
6037 2005-08-31 Uros Bizjak <uros@kss-loka.si>
6038
6039         PR target/23570
6040         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
6041         to "reg_or_0_operand".
6042         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
6043
6044 2005-08-31  Dale Johannesen  <dalej@apple.com>
6045
6046         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
6047         loops that count down.
6048
6049 2005-08-31  Richard Henderson  <rth@redhat.com>
6050
6051         PR rtl-opt/23601
6052         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
6053         (fixup_eh_region_note): New.
6054         (reload_as_needed): Call it.
6055         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
6056         don't call find_many_sub_basic_blocks; call verify_flow_info.
6057         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
6058         (keep_stack_depressed): Likewise.
6059         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
6060
6061 2005-08-31  Richard Henderson  <rth@redhat.com>
6062
6063         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
6064         fp return matching.
6065
6066 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
6067
6068         * expr.c (expand_expr_real_1): Compare size of address
6069         mode to target's address mode size in deciding expansion of
6070         the constant address.
6071
6072 2005-08-31  Richard Guenther  <rguenther@suse.de>
6073
6074         PR middle-end/23477
6075         * expr.c (all_zeros_p): New function.
6076         (expand_expr_real_1): Handle the case of an all-zero
6077         non-addressable constructor separately.
6078
6079 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
6080
6081         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
6082         arguments, adjust all callers.
6083         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
6084
6085 2005-08-30  Richard Henderson  <rth@redhat.com>
6086
6087         PR target/23630
6088         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
6089         whenever the mode sizes match.
6090
6091 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
6092
6093         * calls.c (load_register_parameters): Fix comment typo.
6094         * expr.c (emit_push_insn): Comment formatting.
6095
6096 2005-08-30  Ian Lance Taylor  <ian@airs.com>
6097
6098         * config/i386/x-cygwin (host-cygwin): Change dependency from
6099         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
6100
6101 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
6102
6103         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
6104         parts of 'vals'.
6105
6106 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
6107
6108         PR middle-end/23408
6109         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
6110         call to ggc_collect.
6111
6112 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
6113
6114         PR bootstrap/21268
6115         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
6116         beginning.  Remove $(INCLUDES) from all the rules, if following
6117         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
6118
6119 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
6120
6121         PR middle-end/23484
6122         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
6123         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
6124         not constant, but maxlen is, don't set len to maxlen, rather
6125         set maxlen to len if len is a constant.
6126
6127 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
6128
6129         PR tree-optimization/23475
6130         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
6131         and counts.
6132
6133 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
6134
6135         Fix PR middle-end/22455
6136
6137         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
6138         Checksum only the parts of the tree that exist for the tree code.
6139
6140 2005-08-28  Dale Johannesen  <dalej@apple.com>
6141
6142         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
6143
6144 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
6145
6146         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
6147
6148 2005-08-28  Richard Henderson  <rth@redhat.com>
6149
6150         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
6151         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
6152         of char_type_node.
6153
6154 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
6155
6156         PR ada/23593
6157         * builtins.c (get_memory_rtx): Don't strip nops
6158         in between COMPONENT_REFs.
6159
6160 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
6161
6162         PR middle-end/23463
6163         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
6164         types.
6165         (gimplify_modify_expr): Check for zero sized types and gimplify the
6166         rhs and lhs as statements.
6167
6168 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
6169
6170         PR libgcj/23508
6171         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
6172         state for return address column of signal frames.
6173
6174 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
6175
6176         PR target/23539
6177         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
6178         bytes >= 2 not bytes == 2.
6179         (expand_block_move): Same.
6180
6181 2005-08-27  Richard Guenther  <rguenther@suse.de>
6182
6183         PR target/23575
6184         * config/i386/sse.md (sse2_movsd): Add missing closing
6185         braces.
6186
6187 2005-08-27  Paul Brook  <paul@codesourcery.com>
6188
6189         * genrecog.c (enum decision_type): Add DT_num_insns.
6190         (struct decision_test): Add u.num_insns.
6191         (add_to_sequence): Add DT_num_insns test.
6192         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
6193         (write_cond, debug_decision_2): Ditto.
6194         (change_state): Assume peep2_next_insn never fails.
6195         Remove "afterward" argument.
6196         (write afterward, write_tree): Update to match.
6197         * recog.c (peep2_current_count): New variable.
6198         (peep2_next_insn): Check it.
6199         (peephole2_optimize): Set peep2_current_count.
6200         * recog.h (peep2_current_count): Declare.
6201
6202 2005-08-26  Josh Conner  <jconner@apple.com>
6203
6204         PR middle-end/23584
6205         * ipa-pure-const.c (check_tree): Check for volatile-ness
6206         when considering a dereference.
6207
6208 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
6209
6210         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
6211
6212 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6213
6214         PR rtl-optimization/23561
6215         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
6216         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
6217         at most LEN bytes long memory fits into the field.
6218         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
6219         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
6220         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
6221
6222 2005-08-26  Richard Henderson  <rth@redhat.com>
6223
6224         PR rtl-opt/23560
6225         * loop.c (biased_biv_may_wrap_p): New.
6226         (maybe_eliminate_biv_1): Use it to suppress non-equality
6227         comparison transformations.  Delete disabled code.
6228
6229 2005-08-26  Ian Lance Taylor  <ian@airs.com>
6230
6231         * combine.c (make_extraction): Avoid reference outside object.
6232
6233 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
6234
6235         * stor-layout.c (finalize_type_size): Restore behaviour for
6236         non-aggregate types to the status quo ante of the patch for
6237         pr 23467.  Document why it matters.
6238
6239 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
6240
6241         PR c/23506
6242         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
6243         array by one element, initialize the BT_LAST element with NULL.
6244
6245 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
6246
6247         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
6248         optimizing for size.
6249         (plus_eqsi): Same.
6250         (compare_plus_eqsi): Same.
6251         (plus_eqsi_compare): Same.
6252         (neg_eq0<mode>): Same.
6253         (neg_eq<mode>): Same.
6254
6255         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
6256         PROCESSOR_POWER4.
6257
6258 2005-08-26  Nick Clifton  <nickc@redhat.com>
6259
6260         * config/v850/v850.c (ep_memory_operand): Return FALSE if
6261         TARGET_EP is not defined.
6262         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
6263         TARGET_EP is enabled.
6264         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
6265         * config/v850/v850.md (save_all_interrupt): Only use the EP
6266         register if TARGET_EP is defined.
6267         (restore_all_interrupt): Likewise.
6268         * config/v850/lib1funcs.asm: Update functions so that the EP
6269         register is only used if __EP__ is defined.
6270
6271 2005-08-26  David Ung  <davidu@mips.com>
6272
6273         * config/mips/mips.c (mips_expand_prologue): Handle case when
6274         generating for MIPS16 and the outgoing argument area is more than
6275         SMALL_OPERAND. Use the frame pointer as temporary to generate the
6276         add instruction.
6277
6278 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
6279
6280         * config/crx/crx.md: Make doloop_end pattern usage controllable
6281         via mloop-nesting=<max-nesting> command line switch. Make sure
6282         the combiner cannot use doloop_end_<mode> in an illegal way.
6283         * config/crx/crx.c: Use regs up to r6 for argument passing.
6284         Refine crx_address_cost (non cst4 displacements are expensive).
6285         * config/crx/crx.opt: Add switch for mloop-nesting=.
6286
6287 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
6288
6289         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
6290         (UNSPEC_MVST): New constant.
6291
6292 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
6293
6294         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
6295         Reject operands containing eliminable registers.
6296         * testsuite/gcc.dg/20050825-1.c: New testcase.
6297
6298 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6299             Jan Hubicka  <jh@suse.cz>
6300
6301         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
6302
6303 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6304
6305         PR tree-optimization/23546
6306         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
6307         and REAL_CST nodes.
6308
6309 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
6310
6311         * params.def (PARAM_MIN_SPEC_PROB): New.
6312         * sched-rgn.c (MIN_PROBABILITY): Delete.
6313         (compute_trg_info): Convert to PARAM_VALUE.
6314         * doc/invoke.texi (param): Document min-spec-prob.
6315
6316 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
6317
6318         * config/darwin.h: define __PIC__
6319         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
6320         TARGET_OS_CPP_BUILTINS macro.
6321
6322 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6323
6324         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
6325         yesterday.
6326
6327 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6328
6329         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
6330         to duplicate_block.
6331         * cfghooks.c (duplicate_block): Added position where to place
6332         new block as argument.
6333         * cfghooks.h (duplicate_block): Declaration changed.
6334         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
6335         duplicate_block.
6336         * cfglayout.h (copy_bbs): Declaration changed.
6337         * cfgloop.h (loop_version): Declaration changed.
6338         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
6339         position to copy_bbs.
6340         (loop_version): Pass position to duplicate_loop_to_header_edge.
6341         Add place_after argument and position new blocks according to
6342         it.
6343         * modulo-sched.c (sms_schedule): Pass place_after argument
6344         to loop_version.
6345         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
6346         * tree-cfg.c (split_edge_bb_loc): New function.
6347         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
6348         to determine position of new blocks.
6349         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
6350         to loop_version.
6351         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
6352         argument to duplicate_block.
6353         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
6354         Pass position to copy_bbs.
6355
6356 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
6357
6358         * fold-const.c (ptr_difference_const): Use
6359         cst_and_fits_in_hwi instead of host_integerp.
6360
6361 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
6362
6363         * config/darwin.c (gen_pic_offset): New.
6364         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
6365         Use it.
6366
6367 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
6368
6369         PR tree-optimization/23486
6370         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
6371
6372 2005-08-23  Phil Edwards  <phil@codesourcery.com>
6373
6374         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
6375         remove use_collect2.
6376         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
6377
6378         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
6379         configuration files to override the default value.
6380
6381         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
6382         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
6383         * config/vx-common.h:  New file, split out from...
6384         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
6385         * config/vxworksae.h:  New file, for VxWorks AE.
6386         * config/vxworks.opt:  New file.
6387         * config/vxlib.c:  Update for VxWorks 6.
6388
6389         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
6390         other MULTILIB_* variables appropriately.
6391         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
6392         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
6393         * config/rs6000/vxworks.h:  Update for VxWorks 6.
6394         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
6395
6396 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
6397
6398         PR target/20799
6399         * config/darwin.c (machopic_select_section): Remove the hack to
6400         mark "::operator new" and "::operator delete" for coalescing
6401         even though they are not weak.
6402
6403 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
6404
6405         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
6406         * configure: Regenerate.
6407
6408 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6409
6410         PR middle-end/23517
6411         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
6412         between vectors.
6413         * convert.c (convert_to_integer, convert_to_vector): Likewise.
6414         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
6415         Likewise.
6416
6417 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
6418
6419         * config/rs6000/predicates.md (equality_operator): New.
6420         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
6421         comparison with a large constant.
6422
6423 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
6424
6425         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
6426
6427 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
6428
6429         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
6430         registers is even, and we have a hardware double precision fp,
6431         align the buffer.
6432         (sh_gimplify_va_arg_expr): For floating point arguments, consider
6433         size of current argument when checking if argument was passed in
6434         registers.
6435
6436         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
6437
6438         PR middle-end/23467
6439         * stor-layout.c (finalize_type_size): Dont override
6440         existing alignment with a smaller alignment from the mode.
6441
6442 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6443
6444         * lambda-code.c (lambda_vector_lexico_pos): Moved...
6445         * lambda.h (lambda_vector_lexico_pos): ... here.
6446         * tree-data-ref.c (build_classic_dist_vector): Return false when
6447         the distance vector is lexicographically negative.
6448
6449 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
6450
6451         PR tree-optimization/23511
6452         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
6453         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
6454
6455 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
6456
6457         PR tree-optimization/22043
6458         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
6459         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
6460         If ALLOW_FLEXARR, handle types ending with flexible array member.
6461         Pass false as second argument to recursive count_type_elements calls.
6462         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
6463         argument to count_type_elements call.
6464         * tree-sra.c (decide_block_copy): Likewise.
6465         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
6466         for a constant-sized object, set cleared as well.  Pass true as
6467         second argument to count_type_elements call.
6468
6469 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6470
6471         PR target/21571
6472         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
6473         from legitimate_small_data_p, and make global.  Update use.
6474         Remove forward declaration.
6475         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
6476         Declare.
6477         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
6478
6479 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
6480
6481         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
6482         of scratch intermediates.
6483         (eq<mode>_compare): Same.
6484         (neg_eq0<mode>): New.
6485         (neg_eq<mode>): Convert to define_insn_and_split.
6486
6487 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
6488
6489         PR target/23070
6490         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
6491         stdarg functions, set/clear the fp marker even when no variable
6492         args are passed.
6493         * config/rs6000/sysv4.opt (mprototype): Describe.
6494
6495 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
6496
6497         PR rtl-optimization/23478
6498         * regs.h (reg_info): Add throw_calls_crossed.
6499         (REG_N_THROWING_CALLS_CROSSED): Define.
6500         * flow.c (allocate_reg_life_data): Initialize
6501         REG_N_THROWING_CALLS_CROSSED.
6502         (propagate_one_insn, attempt_auto_inc): Update
6503         REG_N_THROWING_CALLS_CROSSED.
6504         * global.c (global_alloc): Don't allocate pseudos across
6505         calls that may throw.
6506
6507 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6508
6509         PR c/18715
6510         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
6511         value is inbetween the range if we did not find an exact match.
6512
6513 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
6514
6515         * doc/invoke.texi (Option Summary): Add ms1 options.
6516         * doc/extend.texi: Document interrupt handler attribute for ms1.
6517         * doc/md.texi: Document ms1 constraints.
6518         * config.gcc: Add ms1-*-elf.
6519         * config/ms1/ms1.h: New.
6520         * config/ms1/ms1.c: New.
6521         * config/ms1/ms1.md: New.
6522         * config/ms1/ms1-protos.h: New.
6523         * config/ms1/ABI.txt: New.
6524         * config/ms1/crti.asm: New.
6525         * config/ms1/crtn.asm: New.
6526         * config/ms1/lib2extra-funcs.c: New.
6527         * config/ms1/t-ms1: New.
6528         * config/ms1/ms1.opt: New.
6529
6530 2005-08-22 Ira Rosen <irar@il.ibm.com>
6531
6532         * config/rs6000/altivec.md (xorv4sf3): New.
6533         (negv4sf2, neg<mode>2): Likewise.
6534
6535 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
6536
6537         PR target/23485
6538         * config/ia64/ia64.md (divsi3): Check divide by zero.
6539         (udivsi3): Likewise.
6540         (divdi3): Likewise.
6541         (udivdi3): Likewise.
6542
6543 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
6544
6545         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
6546         up to elem_bitsize bits, not max_bitsize.
6547
6548 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6549
6550         PR tree-optimization/23433
6551         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
6552         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
6553
6554 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
6555
6556         PR tree-optimization/23434
6557         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
6558         the iteration bound is not an INTEGER_CST.
6559
6560 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
6561
6562         * tree-vect-transform.c (get_initial_def_for_reduction): Set
6563         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
6564         NULL if need_epilog_adjust is false.
6565         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
6566         Case 3 always peels first itration, not just for PLUS case, and no need
6567         to use scalar_initial_def here. Create an epilog adjustment only if
6568         scalar_initial_def is not NULL.
6569
6570         (vectorizable_reduction): Remove assert.
6571
6572 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
6573
6574         PR target/23485
6575         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
6576         (__moddi3): Likewise.
6577         (__udivdi3): Likewise.
6578         (__umoddi3): Likewise.
6579         (__divsi3): Likewise.
6580         (__modsi3): Likewise.
6581         (__udivsi3): Likewise.
6582         (__umodsi3): Likewise.
6583
6584 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
6585
6586         * tree-pass.h (TDF_GRAPH): Define.
6587         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
6588         * passes.c (finish_optimization_passes): Only call
6589         finish_graph_dump_file if TDF_GRAPH is set.
6590         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
6591         NULL.  Set TDF_GRAPH bit.
6592         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
6593
6594 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
6595
6596         * arm.h (arm_stack_offsets): Add locals_base field.
6597         * arm.c (arm_get_frame_offsets): Compute it.
6598         (thumb_compute_initial_elimination offset): Make the Thumb frame
6599         pointer point to the base of the local variables.
6600         (thumb_expand_prologue): Update accordingly.
6601         (thumb_expand_epilogue): Likewise.
6602
6603         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
6604         mode of clobbered scratch to DImode.  Handle a case that's known to
6605         need this.
6606
6607 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
6608
6609         * config/rs6000/rs6000.md (gt0<mode>): Delete.
6610         (gt0<mode>_compare): Delete.
6611         (neg_gt0<mode>): Delete.
6612
6613 2005-08-19  Eric Christopher  <echristo@apple.com>
6614
6615         * optabs.h: Change CTI_ to COI_.
6616         * optabs.c: Ditto.
6617
6618 2005-08-19  James E Wilson  <wilson@specifix.com>
6619
6620         * builtins.c (expand_builtin_return_addr): Set
6621         current_function_accesses_prior_frames when count != 0.  Use
6622         frame_pointer_rtx when count == 0.
6623         * function.h (struct function): Add accesses_prior_frames field.
6624         (current_function_accesses_prior_frames): Define.
6625         * reload1.c (init_elim_table): Check
6626         current_function_accesses_prior_frames.
6627         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
6628
6629 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6630
6631         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
6632         indicator.  Return true if the flowgraph changed during
6633         cleanup.
6634
6635 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6636
6637         PR 23476
6638         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
6639         conditional expression before testing its value.
6640
6641 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
6642
6643         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
6644
6645 2005-08-19  Devang Patel  <dpatel@apple.com>
6646
6647         PR tree-optimization/23048
6648         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
6649         third parameter. Check whether latch is dominated by exit
6650         block or not.
6651         (if_convertible_loop_p): Supply exit block itself to
6652         if_convertible_bb_p.
6653
6654 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6655
6656         PR target/23473
6657         * arm.md (arm_load_pic_register): Change argument to the mask of
6658         saved registers.  Call thumb_find_work_register if we need a
6659         scratch register on Thumb.
6660         (arm_expand_prologue): Pass empty register set to
6661         arm_load_pic_register.
6662         (thumb_expand_prologue): Pass live_regs_mask directly to
6663         arm_load_pic_register.
6664         * arm-protos.h (arm_load_pic_register): Update prototype.
6665
6666 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
6667
6668         * sh.c (find_sole_member): New function.
6669         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
6670         if the record's alignment is larger than the size of its only member.
6671
6672 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
6673
6674         PR target/23436
6675         * arm.c (thumb_legitimize_reload_address): New function.
6676         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
6677         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
6678
6679 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
6680
6681         * config/crx/crx.c: Implement crx_decompose_address. Reject
6682         symbolic displacements since CRX register relative adressing
6683         mode can't handle unsigned 32-bit values as displacements.
6684         * config/crx/crx.h: Simplify definitions, remove redundant
6685         parenthesis and obsolete macros.
6686         * config/crx/crx.opt: Add new switch for debugging addresses.
6687         * config/crx/crx-protos.h: Add new declarations for above.
6688
6689 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
6690
6691         PR middle-end/20624
6692         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
6693         looking past it.
6694
6695 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6696
6697         * collect2.c (dup2): Delete.
6698         * configure.ac: Don't check for dup2.
6699
6700         * config.in, configure: Regenerate.
6701
6702 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
6703
6704         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
6705         record with the type of its only member.
6706
6707 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
6708
6709         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
6710         define_insn_and_split.
6711         (plus_ltu<mode>_compare): Same.
6712         (gtu<mode>_compare): Same.
6713         (plus_gtu<mode>_compare): Same.
6714
6715 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
6716
6717         PR tree-optimization/22228
6718         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
6719         todo_flags_start.
6720         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
6721         are recorded in vect_vnames_to_rename for renaming.
6722         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
6723         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
6724         in vect_vnames_to_rename.
6725         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
6726         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
6727
6728 2005-08-18  Jan Hubicka  <jh@suse.cz>
6729
6730         PR c++/22034
6731         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
6732         info only for local statics, not for member variables.
6733
6734 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6735
6736         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
6737
6738 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6739
6740         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
6741
6742 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
6743
6744         PR middle-end/16045
6745         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
6746
6747 2005-08-17  James E Wilson  <wilson@specifix.com>
6748
6749         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6750         array size check.
6751
6752 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
6753
6754         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
6755         (leu<mode>_compare): Same.
6756         (plus_leu<mode>): Same.
6757         (neg_leu<mode>): Same.
6758         (and_neg_leu<mode): Same.
6759         (ltu<mode>_compare): Same.
6760         (plus_ltu<mode>): Same.
6761         (geu<mode>): Same.
6762         (geu<mode>_compare): Same.
6763         (plus_geu<mode>): Same.
6764         (neg_geu<mode>): Same.
6765         (and_neg_geu<mode>): Same.
6766         (plus_gt<mode>): Same.
6767         (gtu<mode>_compare): Same.
6768         (plus_gtu<mode>): Same.
6769
6770 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
6771
6772         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
6773         Move call_table_data to end.  Delete spurious .text.
6774         (callt_save_all_interrupt): Fix comment typo.
6775
6776 2005-08-17  James E Wilson  <wilson@specifix.com>
6777             Kevin Winchester  <winchester@amirix.com>
6778
6779         PR target/21684
6780         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
6781
6782 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
6783
6784         PR target/23268
6785         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
6786         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
6787
6788 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
6789
6790         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
6791         record with the type of its only member if the modes don't match.
6792
6793         * varasm.c (decode_reg_name): Skip empty additional register names.
6794
6795 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
6796
6797         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
6798         lsm_tmp_name_length): New.
6799         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
6800         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
6801
6802 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6803             Andreas Krebbel  <krebbel1@de.ibm.com>
6804
6805         * config.gcc: Added z9-109 switch.
6806         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
6807         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
6808         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
6809         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6810         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
6811         for "z9_109" cpu attribute.
6812         * config/s390/s390.c (z9_109_cost): New processor cost structure.
6813         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
6814         (s390_handle_arch_option): Added z9-109 switch.
6815         (override_options): Set respective cost function for z9-109.
6816         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
6817         (legitimate_reload_constant_p): Accept extended immediates.
6818         (print_operand): Three new output modifiers added: k, m and o.
6819         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
6820         (s390_output_mi_thunk): Use extended immediate when possible.
6821         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
6822         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
6823         (CONSTRAINT_LEN): Added length of O constraint.
6824         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
6825         * config/s390/s390.md ("cpu"): New value z9_109 added.
6826         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
6827         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
6828         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
6829         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6830         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6831         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6832         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6833         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6834         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6835         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6836         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6837         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6838         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6839         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6840         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6841         immediates.
6842         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6843         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6844         insns for TARGET_EXTIMM.
6845
6846 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
6847
6848         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6849
6850 2005-08-17  Nick Clifton  <nickc@redhat.com>
6851
6852         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6853         Call default_encode_section_info.
6854
6855 2005-08-17  Steven Bosscher  <stevenb@suse.de>
6856
6857         PR tree-optimization/21574
6858         * tree-ssa-ccp.c (likely_value): If the right hand side is a
6859         constant, return CONSTANT.
6860         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6861         (ccp_fold, visit_assignment): Likewise.
6862         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6863
6864 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6865
6866         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6867         fold_buildN instead of buildN then fold_initializer or fold.
6868         (build_unary_op): Likewise.
6869         (build_binary_op): Likewise.
6870         * fold-const.c (fold_initializer): Remove.
6871         (fold_build1_initializer): New function.
6872         (fold_build2_initializer): New function.
6873         (fold_build3_initializer): New function.
6874         * tree.h (fold_initializer): Remove.
6875         (fold_build1_initializer): New function.
6876         (fold_build2_initializer): New function.
6877         (fold_build3_initializer): New function.
6878
6879 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
6880
6881         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6882         (try_move_mult_to_index): Call fold_build2 instead of build2.
6883         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6884         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6885         fold_binary_to_constant.
6886         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6887         fold (build.
6888         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6889         check if A == gcd (A, B).  Remove TYPE argument.
6890         (analyze_offset) Use fold_build2 instead of fold (build.
6891         (create_data_ref): Likewise.
6892         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6893         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6894         then fold.
6895
6896 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
6897
6898         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6899         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6900
6901 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
6902
6903         PR tree-opt/23402
6904         * gimplify.c (zero_sized_type): New function.
6905         (gimplify_modify_expr_rhs): If we have a zero sized type,
6906         replace the statement with an empty statement.
6907
6908 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
6909
6910         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6911         fxsave.
6912
6913 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6914
6915         * doc/tm.texi (Label Output): Correct typo.
6916
6917 2005-08-16  Steven Bosscher  <stevenb@suse.de>
6918
6919         PR target/23376
6920         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6921         force_operand will work later on using have_insn_for.
6922
6923 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6924
6925         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6926
6927 2005-08-16  Ian Lance Taylor  <ian@airs.com>
6928
6929         PR c++/23337
6930         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6931         vector type, don't try to construct it element by element.  Add an
6932         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6933
6934 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6935
6936         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6937
6938 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
6939
6940         * doc/invoke.texi (Precompiled Headers): Document some more options
6941         which are known to be safe.
6942
6943 2005-08-16  James E Wilson  <wilson@specifix.com>
6944
6945         PR tree-optimization/21105
6946         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6947         TREE_OVERFLOW check.
6948
6949 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
6950
6951         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6952         (neg_ltu<mode>): Same.
6953         (gtu<mode>): Same.
6954         (neg_gtu<mode>): Same.
6955
6956 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6957
6958         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6959         (fold_builtin_isdigit): Use fold_buildN.
6960         (build_function_call_expr): Likewise.
6961         * c-typeck.c (c_finish_loop): Likewise.
6962
6963 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
6964             Richard Shann <rshann@superh.com>
6965
6966         PR middle-end/20396:
6967         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6968
6969 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
6970
6971         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6972
6973 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
6974
6975         PR target/23355
6976         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6977         arm_compure_save_reg0_reg12_mask to determine when the PIC register
6978         must be saved.
6979
6980 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6981
6982         PR middle-end/23369
6983         * fold-const.c (build_range_check): Disable optimization for function
6984         pointer expressions on targets that require function pointer
6985         canonicalization.
6986
6987 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
6988
6989         * simplify-rtx.c (simplify_const_relational_operation): When
6990         extracting arguments of a COMPARE, recompute the mode as well.
6991
6992 2005-08-15  Ian Lance Taylor  <ian@airs.com>
6993
6994         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6995
6996 2005-08-15  DJ Delorie  <dj@redhat.com>
6997
6998         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6999         the stack.
7000         (movsi_splittable): Allow, but split, moves to the stack.
7001         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
7002         stack.
7003
7004 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7005
7006         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
7007         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
7008         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
7009
7010         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
7011         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
7012         Delete HOST_PTR_PRINTF.
7013
7014         * configure, config.in: Regenerate.
7015
7016 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
7017
7018         * config/rs6000/rs6000.md (QHSI): New mode macro.
7019         (wd): Extend mode attr for QImode and HImode
7020         (dbits): New mode attr.
7021         (zero_extend<mode>di2): Convert to mode macro.
7022
7023 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
7024
7025         PR target/21841
7026         * doc/invoke.texi (-mgnu-ld): Update description.
7027         (-mhp-ld): Ditto.
7028
7029 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7030
7031         PR 23391
7032         * Makefile.in (tree-chrec.o): Depends on real.h.
7033         * tree-chrec.c: Include real.h.
7034         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
7035         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
7036         * tree-scalar-evolution.c (add_to_evolution_1,
7037         interpret_rhs_modify_expr): Ditto.
7038
7039 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
7040
7041         PR 23386
7042         * tree-data-ref.c (estimate_niter_from_size_of_data): When
7043         step is negative compute the estimation from init downwards to zero.
7044
7045 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
7046
7047         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
7048
7049 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7050
7051         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
7052         constraint.
7053         (legitimate_reload_constant_p): Fix handling of lliXX operands.
7054         Accept double-word constants that can be split.
7055         * config/s390/s390.md ("movti"): Use 'P' constraint.
7056         ("*movdi_31", "*movdf_31"): Likewise.
7057
7058 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
7059
7060         Fix PR tree-optimization/22615
7061
7062         * tree-ssa-structalias.c (solution_set_add): Handle
7063         first_vi_for_offset returning NULL.
7064         (do_da_constraint): Ditto.
7065         (do_sd_constraint): Ditto.
7066         (do_ds_constraint): Ditto
7067         (find_func_aliases): Ditto.
7068         (build_constraint_graph): RHS is allowed be ANYTHING.
7069         (first_vi_for_offset): Return NULL if we couldn't find anything at
7070         the offset.
7071
7072 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
7073
7074         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
7075         over memory as first operand.
7076
7077 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
7078
7079         PR target/23360
7080         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
7081         available for setting it.
7082
7083 2005-08-14  Ira Rosen  <irar@il.ibm.com>
7084
7085         PR tree-optimization/23320
7086         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
7087         data-refs' types instead of base object nullness. Add check for
7088         pointer type data-refs before first location comparison. Remove
7089         assert.
7090
7091 2005-08-14  Andreas Schwab  <schwab@suse.de>
7092
7093         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
7094
7095 2005-08-13  James E Wilson  <wilson@specifix.com>
7096
7097         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
7098         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
7099         -fstack-protector-all, --param ssp-buffer-size): Document.
7100         (-Wvariadic-macros): Alphabetize.
7101         (-fsched-stalled-insns-dep): Add missing 'f'.
7102
7103         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
7104         macros.
7105
7106 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
7107
7108         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
7109         or indirect address operand.
7110         (EXTRA_ADDRESS_CONSTRAINT): New.
7111         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
7112
7113 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
7114
7115         PR tree-optimization/22236
7116         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
7117         successors and predecessors.
7118         * tree-chrec.c (chrec_convert): Before converting, check that
7119         sequences don't wrap.
7120         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
7121         (analyze_array): Extern.
7122         (find_data_references_in_loop): Remove call to
7123         compute_estimated_nb_iterations.
7124         * tree-data-ref.h (analyze_array): Declared.
7125         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
7126         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
7127         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
7128         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
7129         condition.
7130         * tree-ssa-loop-ivcanon.c: Fix documentation.
7131         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
7132         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
7133         (infer_loop_bounds_from_undefined): New.
7134         (estimate_numbers_of_iterations_loop): Use
7135         infer_loop_bounds_from_undefined.
7136         (used_in_pointer_arithmetic_p): New.
7137         (scev_probably_wraps_p): Pass an extra parameter.  Call
7138         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
7139         (convert_step): Fix documentation.
7140         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
7141         Use initial_condition_in_loop_num and evolution_part_in_loop_num
7142         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
7143         scev_probably_wraps_p.
7144
7145 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
7146
7147         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
7148         (s390_register_info): Ignore clobbered_regs information for fixed
7149         registers, and only fixed registers.
7150         (s390_init_frame_layout): Remove redundant call.
7151
7152 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
7153
7154         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
7155         description of -Wold-style-casts.
7156
7157 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7158             Jakub Jelinek  <jakub@redhat.com>
7159
7160         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7161         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
7162         * config/s390/s390.c (print_operand): New output modifier 'G' added.
7163         (get_thread_pointer): Renamed to s390_get_thread_pointer.
7164         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
7165         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
7166         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
7167         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
7168         ("stack_protect_set", "stack_protect_test"): New expanders.
7169         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
7170         "stack_protect_testdi"): New insn definitions.
7171
7172 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7173
7174         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
7175
7176 2005-08-12  Paul Brook  <paul@codesourcery.com>
7177
7178         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
7179
7180 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7181
7182         * config/s390/predicates.md (setmem_operand): New predicate.
7183         (shift_count_operand): Accept ANDs with special constants as
7184         operand.
7185         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
7186         with special constants.
7187         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
7188         shift_count_operand with setmem_operand.
7189
7190 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7191
7192         * config/s390/s390.c (s390_extract_part, s390_single_part):
7193         Type cast added.
7194         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
7195         (s390_output_mi_thunk): Don't use lg on 31 bit.
7196         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
7197         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
7198
7199 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7200
7201         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
7202         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
7203         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
7204         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
7205         with one of the new macros.
7206
7207 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7208
7209         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
7210         Don't set save_return_addr_p.
7211         (s390_register_info): Make clobbered_regs not depending on
7212         save_return_addr_p.
7213
7214 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
7215
7216         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
7217         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
7218
7219 2005-08-11  James E. Wilson  <wilson@specifix.com>
7220
7221         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
7222
7223 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
7224
7225         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
7226         locations gathered by var-tracking in single entry loc_list
7227         over loc_descriptor_from_tree.
7228
7229         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
7230         pass it down to loc_descriptor.
7231         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
7232         (containing_function_has_frame_base): Move earlier in the file.
7233         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
7234         instead of always assuming fbreg can't be used.
7235
7236 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
7237
7238         * config/rs6000/altivec.md: Change constraint "m" to "Z".
7239         * config/rs6000/predicates.md (indexed_or_indirect_operand):
7240         Accept address wrapped in AND for Altivec.
7241         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7242         Strip AND wrapping offset address for Altivec.
7243
7244 2005-08-11  Richard Henderson  <rth@redhat.com>
7245
7246         PR middle-end/23312
7247         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
7248         before using TYPE_IS_SIZETYPE.
7249
7250 2005-08-11  Richard Henderson  <rth@redhat.com>
7251
7252         PR target/22225
7253         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
7254         insn types not present on ev4.
7255         (alphaev5_insn_pipe): Similarly.
7256
7257 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7258
7259         PR target/23250
7260         * arm.c (arm_override_options): If the user has selected callee-super-
7261         interworking, then enable normal interworking.
7262
7263 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7264
7265         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
7266         redefinition.
7267
7268 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
7269
7270         * doc/rtl.texi: Fix two typos.
7271
7272 2005-08-11  Richard Guenther  <rguenther@suse.de>
7273
7274         PR target/23289
7275         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
7276         cases where we call to/from functions returning void.
7277
7278 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
7279
7280         PR c++/23225
7281         * tree.c (build_pointer_type_for_mode): Robustify.
7282
7283 2005-08-10  James E Wilson  <wilson@specifix.com>
7284
7285         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
7286         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
7287
7288         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
7289         "cum->".
7290
7291 2005-08-10  Eric Christopher  <echristo@apple.com>
7292
7293         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
7294         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
7295         V2DFmode.
7296
7297 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
7298
7299         PR target/21887
7300         * config/darwin.c (machopic_indirect_data_reference): Use a new register
7301         for the high part when generating dynamic-no-pic code.
7302
7303 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
7304
7305         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
7306         (x86_64-*-linux*): Likewise.
7307
7308         * config/i386/crtfastmath.c: New file.
7309         * config/i386/t-crtfm: Likewise.
7310
7311         * config/i386/linux.h (ENDFILE_SPEC): New.
7312         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
7313
7314         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
7315         crtfastmath.o.
7316
7317 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
7318
7319         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
7320         (vec_shl, vec_shr): Document new operations.
7321         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
7322
7323 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
7324
7325         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
7326         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
7327         change predicate to indexed_or_indirect_address.
7328
7329 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
7330
7331         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
7332         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
7333         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
7334         and __aeabi_uwrite8.
7335         * config/arm/unaligned-funcs.c: New file.
7336         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
7337
7338 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
7339
7340         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
7341         Add dump.
7342         * cfglayout.c (pass_insn_locators_initialize): Add dump.
7343         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
7344         Add dump.
7345         * except.c (pass_convert_to_eh_region_ranges): Add dump.
7346         * final.c (pass_shorten_branches): Add dump.
7347         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
7348         (pass_life): Rename dump.
7349         (rest_of_handle_flow2): Remove initial verify_flow_info.
7350         * function.c (pass_instantiate_virtual_regs): Add dump.
7351         * integrate.c (pass_initial_value_sets): Add dump.
7352         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
7353         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
7354         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
7355         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
7356         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
7357         gate_rtl_unrool_and_peel_loops): New.
7358         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
7359         rtl_doloop): Do not look at flags.
7360         * mode-switching.c (pass_mode_switching): Add dump.
7361         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
7362         pass_split_before_regstack): Add dump.
7363         * regmove.c (pass_stack_adjustments): Add dump.
7364         * tree-optimize.c (pass_fixup_cfg): Add dump.
7365
7366 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7367
7368         PR 23309
7369         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
7370         deciding which instruction sequence to use.
7371
7372 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
7373
7374         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
7375         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
7376
7377 2005-08-09  Richard Guenther  <rguenther@suse.de>
7378
7379         * c-common.c (builtin_function_2): Remove.
7380         (def_builtin_1): New function.
7381         (c_common_nodes_and_builtins): Use def_builtin_1 to
7382         build builtin functions.
7383
7384 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
7385
7386         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
7387         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7388         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
7389         Visual DSP.
7390
7391 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7392
7393         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
7394         fold_binary instead of fold_build2 since we don't care about the
7395         resulting tree.
7396         (loop_niter_by_eval): Likewise.
7397         (compare_trees): Likewise.
7398         (proved_non_wrapping_p): Likewise.
7399
7400 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
7401
7402         PR c/23161
7403         PR c/23165
7404         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
7405         if the if is really empty.
7406
7407 2005-08-09  Steven Bosscher  <stevenb@suse.de>
7408
7409         PR tree-optimization/23234
7410         * tree-ssa-math-opts.c (place_reciprocal): New enum.
7411         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
7412         argument of the new enum.
7413         (execute_cse_reciprocals): Add reciprocals for function arguments
7414         on the unique successor edge of the entry block.  Update other calls
7415         to execute_cse_reciprocals_1.
7416
7417 2005-08-08  Richard Henderson  <rth@redhat.com>
7418
7419         PR 22439
7420         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
7421
7422 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
7423
7424         * expr.c (write_complex_part): Return after handling MEM.
7425
7426 2005-08-08  Josh Conner  <jconner@apple.com>
7427
7428         PR rtl-optimization/23241
7429         * combine.c (simplify_comparison): Fix error in determining
7430         whether to lift a subreg from comparison.
7431
7432 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
7433
7434         PR target/18506
7435         * config/rs6000/altivec.md (vec_init<mode>): New.
7436         (vec_set<mode>): New.
7437         (vec_extract<mode>): New.
7438         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
7439         (rs6000_expand_vector_set): New.
7440         (rs6000_expand_vector_extract): New.
7441         (rs6000_legitimate_offset_address_p): Offset addresses are valid
7442         for Altivec modes before reload.
7443         (altivec_expand_vec_init_builtin): New.
7444         (get_element_number): New.
7445         (altivec_expand_vec_set_builtin): New.
7446         (altivec_expand_vec_ext_builtin): New.
7447         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
7448         builtins.
7449         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
7450         builtins.
7451         * config/rs6000/rs6000.h (rs6000_builtins): Add
7452         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
7453         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
7454         * config/rs6000/rs6000-protos.h: Declare new functions.
7455
7456 2005-08-08  Jan Hubicka  <jh@suse.cz>
7457
7458         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
7459         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
7460         * i386.md (movdi*): Use pic_32bit_operand.
7461         * predicates.md (pic_32bit_operand): New.
7462
7463 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
7464
7465         PR c++/21166
7466         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
7467
7468 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
7469
7470         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
7471         (test_for_singularity): Use fold_build2.
7472
7473 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7474
7475         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
7476
7477 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
7478
7479         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
7480         (COMMON_ASM_OP) Define.
7481         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
7482         (ix86_encode_section_info): Likewise.
7483         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
7484         SUBTARGET_ENCODE_SECTION_INFO.
7485
7486 2005-08-06  Richard Henderson  <rth@redhat.com>
7487
7488         PR 21894
7489         * tree-nested.c (convert_local_reference): Save and restore val_only
7490         around component_ref and friends.  Clear walk_subtrees by default.
7491
7492 2005-08-06  Peter O'Gorman  <peter@pogma.com>
7493
7494         PR 21366
7495         * gcc.c (process_command): Check the argument to -b has a dash.
7496         * doc/invoke.texi: Update -b and -V docs.
7497
7498 2005-08-06  James E Wilson  <wilson@specifix.com>
7499
7500         * config/mips/cross64.h, config/mips/t-cross64: Delete.
7501
7502 2005-08-06  Michael Matz  <matz@suse.de>
7503
7504         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
7505         member only if only one insn is associated with the value.
7506
7507 2005-08-06  Nick Clifton  <nickc@redhat.com>
7508
7509         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
7510         New define.
7511         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
7512         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
7513         Check symbol flags instead of symbol name mangling.
7514         (xstormy16_asm_output_aligned_common): Likewise.  Also
7515         simplify code since the bss100_section cass is the only case
7516         where the below100 code will be triggered.
7517         (xstormy16_encode_section_info): Encode below100 attribute
7518         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
7519         the name.
7520         (xstormy16_strip_name_encoding): Delete - this function is no
7521         longer needed.
7522         (TARGET_STRIP_NAME_ENCODING): Undefine.
7523         * config/stormy16/stormy16-protos.h: Delete prototype for
7524         xstormy16_strip_name_encoding.
7525
7526 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
7527
7528         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
7529         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
7530         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
7531         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
7532         config/alpha/predicates.md, config/arc/arc.h,
7533         config/arm/arm.h, config/arm/ieee754-df.S,
7534         config/arm/ieee754-sf.S, config/bfin/bfin.c,
7535         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
7536         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
7537         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
7538         config/m68hc11/m68hc11.h, config/mips/mips.c,
7539         config/mips/mips.h, config/mips/openbsd.h,
7540         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
7541         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
7542         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
7543         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
7544         config/sparc/linux.h, config/sparc/linux64.h,
7545         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
7546         doc/extend.texi, doc/gcov.texi, doc/install.texi,
7547         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
7548         typos.  Follow spelling conventions.
7549
7550 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
7551
7552         PR c/23113
7553         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
7554         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
7555         specially.  Check for side effects only for COND_EXPR.
7556         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
7557         return with TREE_NO_WARNING.
7558
7559 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
7560
7561         PR rtl-optimization/23233
7562         * loop.c (combine_movables): Require the modes to be the same.
7563         (move_movables): Remove handling of cases where the replacement
7564         had a different mode to the original.
7565
7566 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
7567
7568         PR tree-optimization/23128
7569         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
7570         subtraction wrap, and set TREE_OVERFLOW if they do.
7571
7572 2005-08-05  Richard Henderson  <rth@redhat.com>
7573
7574         PR 21728
7575         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
7576         FORCED_LABEL labels.
7577
7578 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
7579
7580         PR middle-end/23135
7581         * reload.c (find_reloads_subreg_address): Pass down TYPE
7582         unchanged.  Change all callers except find_reloads_toplev.
7583
7584 2005-08-05  Michael Matz  <matz@suse.de>
7585
7586         * genattrtab.c (current_alternative_string): Remove.
7587         (SIMPLIFY_ALTERNATIVE): Ditto.
7588         (attr_alt_bit_p): Ditto.
7589         (alternative_name): Make const char *.
7590         (evaluate_eq_attr): Remove use of above things.
7591         (simplify_test_exp): Ditto.
7592         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
7593         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
7594
7595 2005-08-04  James E Wilson  <wilson@specifix.com>
7596
7597         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
7598         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
7599         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
7600         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
7601         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
7602
7603 2005-08-04  Richard Henderson  <rth@redhat.com>
7604
7605         PR 21529
7606         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
7607         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
7608         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
7609         if we'd have to instantiate too many members.
7610
7611 2005-08-04  Richard Henderson  <rth@redhat.com>
7612
7613         PR 21291
7614         * tree-outof-ssa.c (coalesce_asm_operands): New.
7615         (coalesce_ssa_name): Use it.  Split out ...
7616         (coalesce_phi_operands, coalesce_result_decls): ... these.
7617
7618 2005-08-04  Paul Brook  <paul@codesourcery.com>
7619
7620         * read-rtl.c (read_quoted_string): Break if EOF.
7621
7622 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
7623
7624         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
7625         (fold_build2): Likewise.
7626         (fold_build3): Likewise.
7627         (fold_build1_stat): New function prototype.
7628         (fold_build2_stat): Likewise.
7629         (fold_build3_stat): Likewise.
7630         * fold-const.c (fold_build1): Rename to ..
7631         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7632         through to build1_stat.
7633         (fold_build2): Rename to ..
7634         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7635         through to build2_stat.
7636         (fold_build3): Rename to ..
7637         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
7638         through to build3_stat.
7639
7640 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
7641             Ian Lance Taylor  <ian@airs.com>
7642
7643         * function.c (assign_stack_local_1): Do not correct stack slot
7644         address if allocation size is smaller than mode size.
7645
7646 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
7647
7648         PR 22037
7649         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
7650         (tree_merge_blocks): Propagate anything allowed by
7651         may_propagate_copy.
7652         Clarify documentation.
7653         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
7654         SSA form, schedule an update if necessary.
7655
7656 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
7657
7658         * doc/install.texi (Binaries): Remove broken link to
7659         Sinix/Reliant Unix binaries.
7660
7661 2005-08-03  Richard Henderson  <rth@redhat.com>
7662
7663         PR 23221
7664         * function.c (stack_protect_epilogue): Export.
7665         * tree.h (stack_protect_epilogue): Declare.
7666         * calls.c (expand_call): Call it.
7667
7668 2005-08-03  Eric Christopher  <echristo@apple.com>
7669
7670         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
7671         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
7672         spec.
7673
7674 2005-08-04  Jan Hubicka  <jh@suse.cz>
7675
7676         * profile.c (branch_prob): Split edges with goto locus on them
7677         to get proper line counts.
7678         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
7679
7680 2005-08-03  Paul Brook  <paul@codesourcery.com>
7681
7682         * function.c (assign_parms): Round current_function_args_size
7683         to PARM_BOUNDARY, not STACK_BOUNDARY.
7684
7685 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
7686
7687         * config/i386/i386.c (x86_elf_aligned_common)
7688         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
7689
7690 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
7691
7692         PR tree-optimization/23157
7693         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
7694         before emitting them.
7695
7696 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7697
7698         PR tree-optimization/19899
7699         * Makefile.in (tree-scalar-evolution.o): Add real.h.
7700         * tree-scalar-evolution.c: Include real.h.
7701         (add_to_evolution): Build constant -1 of correct type.
7702
7703 2005-08-03  Jan Hubicka  <jh@suse.cz>
7704
7705         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
7706         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
7707         profile updating for complette unrolling.
7708         * loop-unroll.c (peel_loop_completely): Use it.
7709         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
7710         (tree_unroll_loops_completely): Disable code growing unrolling of cold
7711         loops.
7712
7713 2005-08-03  Paul Brook  <paul@codesourcery.com>
7714
7715         * combine.c (can_change_dest_mode): New function.
7716         (try_combine, simplify_set): Use it.
7717
7718 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
7719
7720         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
7721         TFmode to BLKmode.
7722
7723 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
7724
7725         * doc/install.texi (Specific): Adjust link to openavr.org.
7726         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
7727         (Binaries): Adjust HP-UX Porting Center link.
7728         (Binaries): Adjust Free Software Foundation ordering link.
7729
7730 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
7731
7732         * convert.c (convert_to_integer): Use fold_build1 instead of
7733         build1 when converting an integer to an integer.
7734
7735 2005-08-02  Richard Henderson  <rth@redhat.com>
7736
7737         * combine.c (combine_instructions): Don't use reg_equal/equiv
7738         results if the mode doesn't match.
7739
7740 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
7741
7742         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
7743         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
7744
7745 2005-08-02  Richard Henderson  <rth@redhat.com>
7746
7747         PR 23196
7748         * explow.c (memory_address): Remove special-case for
7749         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
7750
7751 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
7752
7753         PR 23164
7754         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
7755         number of calls to cleanup_tree_cfg_1.
7756
7757 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
7758
7759         * doc/invoke.texi: document file extensions .F90 and .F95
7760
7761 2005-08-02  Richard Guenther  <rguenther@suse.de>
7762
7763         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
7764         positive if its first argument is positive.
7765
7766 2005-08-02  Richard Guenther  <rguenther@suse.de>
7767
7768         PR tree-optimization/23177
7769         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
7770         on TMR_TAG.
7771
7772 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
7773
7774         PR tree-optimization/23129
7775         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
7776         varying for divisions with anti-ranges.
7777
7778 2005-08-02  Jan Hubicka  <jh@suse.cz>
7779
7780         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
7781         * tree-ssa-threadupdate.c (thread_block): Add it here.
7782
7783 2005-08-01  James E Wilson  <wilson@specifix.com>
7784
7785         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
7786         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
7787         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
7788         New.
7789         * config/mips/predicates.md (const_call_insn_operand): Add check for
7790         SYMBOL_REF_LONG_CALL_P.
7791         * doc/extend.texi (long_call): Document the new attribute.
7792
7793 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7794             Richard Henderson  <rth@redhat.com>
7795
7796         * Makefile.in (RTL_BASE_H): Add real.h.
7797         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
7798         instead of memcpy.
7799         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
7800         directly.
7801         * rtl.c (rtl_check_failed_code_mode): New.
7802         * rtl.h (struct rtx_def): Add u.rv.
7803         (XCMWINT, XCNMPRV): New.
7804         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
7805         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
7806
7807 2005-08-01  Richard Henderson  <rth@redhat.com>
7808
7809         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
7810         with auto-inc codes.
7811
7812         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
7813
7814 2005-08-01  Jan Hubicka  <jh@suse.cz>
7815
7816         * i386-protos.h (asm_preferred_eh_data_format): Declare.
7817         * i386.c: Include dwarf2.h
7818         (asm_preferred_eh_data_format): New.
7819         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
7820
7821 2005-08-01  Ian Lance Taylor  <ian@airs.com>
7822
7823         * config/host-linux.c (linux_gt_pch_get_address): Add new name
7824         randomize_va_space for virtual address randomization control.
7825
7826 2005-08-01  Steven Bosscher  <stevenb@suse.de>
7827
7828         * common.opt (flag_ipa_cp): Put in right place to maintain
7829         alphabetic sort.
7830
7831 2005-08-01  Jan Hubicka  <jh@suse.cz>
7832
7833         * profile.c (compute_value_histograms): Fix thinko.
7834         * value-prof.c: Include toplev.h
7835         (check_counter): New function.
7836         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7837         tree_mod_subtract_transform): Add sanity check.
7838
7839 2005-08-01  Richard Guenther  <rguenther@suse.de>
7840
7841         PR tree-optimization/23133
7842         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7843         current functions parameter decls to find defs to cse
7844         reciprocals of.
7845
7846 2005-08-01  Richard Guenther  <rguenther@suse.de>
7847
7848         PR tree-optimization/23109
7849         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7850         If trapping math is in effect, use post-dominator information
7851         to check if we'd in any case reach a trapping point before
7852         doing the reciprocal insertion.
7853         (execute_cse_reciprocals): Compute post-dominators, if necessary.
7854         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7855         expressions are invariant only if trapping math is not in effect.
7856
7857 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7858
7859         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7860         cgraph_function_versioning): New declarations.
7861         * cgraphunit.c: Add include to ipa-prop.h.
7862         (update_call_expr, cgraph_copy_node_for_versioning,
7863         cgraph_function_versioning): New functions.
7864         * integrate.c (copy_decl_for_inlining): Remove.
7865         * ipa-prop.h (ipa_replace_map): New struct.
7866         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7867         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7868         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7869         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7870         ipcp_iterate_stage, ipcp_method_scale_print,
7871         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7872         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7873         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7874         ipcp_update_bb_counts, ipcp_update_profiling,
7875         ipcp_update_edges_counts): New functions.
7876         (ipcp_method_cval_init): Remove restriction regarding local methods.
7877         (ipcp_init_stage): Add ipcp_method_compute_scale.
7878         (ipcp_insert_stage): Add versioning.
7879         (ipcp_structures_print): Add ipcp_method_scale_print.
7880         (ipcp_driver): Dump profiling info.
7881         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7882         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7883         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7884         (struct inline_data): Add versioning_p, ipa_info, new fields.
7885         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7886         declare_return_variable): Replace calls to copy_decl_for_inlining with
7887         copy_decl_for_dup.
7888         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7889         versioning support.
7890         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7891         Add argument VERSIONING.
7892         (copy_arguments_for_versioning, copy_static_chain,
7893         function_versionable_p, tree_versionable_function_p,
7894         tree_function_versioning, replace_ref_tree): New functions.
7895         * tree-inline.h: Include varray.h.
7896         (tree_versionable_function_p,  tree_function_versioning,
7897         tree copy_decl_for_dup): New declarations.
7898
7899 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
7900
7901         * ipa-cp.c: New file. Contains IPCP specific functionality.
7902         * ipa-prop.h: New file. Contains structures/definitions that can be
7903         used by several interprocedural data flow optimizations (and also IPCP).
7904         * ipa-prop.c: New file.
7905         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7906         * common.opt: Add ipa-cp flag.
7907         * timevar.def: Add IPCP optimization.
7908         * tree-optimize.c (init_tree_optimization_passes): Schedule
7909         pass_ipa_cp.
7910         * tree-pass.h (pass_ipa_cp): Declare.
7911
7912 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
7913
7914         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7915         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7916         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7917         config/i386/i386.c, config/mips/mips.h,
7918         config/rs6000/rs6000.h, config/sh/sh.c,
7919         config/stormy16/stormy16.c: Fix comment typos.
7920
7921 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
7922
7923         PR c/22311
7924         * c-typeck.c (build_binary_op): Use common_type wrapper on
7925         shortened types.
7926         (common_type): Update comment.
7927
7928 2005-07-31  Steven Bosscher  <stevenb@suse.de>
7929
7930         PR target/23095
7931         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7932         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7933         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7934
7935 2005-07-31  Jan Hubicka  <jh@suse.cz>
7936
7937         * pretty-print.h (pp_widest_integer): New macro.
7938         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7939         counts.
7940
7941 2005-07-31  Jan Hubicka  <jh@suse.cz>
7942
7943         * output.h (enum section_category): Export from varasm.c
7944         (categorize_decl_for_section): Likewise.
7945         * varasm.c (enum section_category): Kill.
7946         (categorize_decl_for_section): Make global.
7947         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7948         Declare.
7949         * i386.c (ix86_section_threshold): New static variable.
7950         (ix86_in_large_data_p, ix86_encode_section_info,
7951         x86_64_elf_unique_section,
7952         x86_64_elf_select_section): New functions.
7953         (TARGET_ENCODE_SECTION_INFO): Define
7954         (override_options): Enable medium model for PIC.
7955         (ix86_expand_prologue): Expand gen_set_got_rex64.
7956         (legitimate_constant_p): Handle new UNSPECs.
7957         (legitimate_pic_address_disp_p): Likewise.
7958         (legitimize_pic_address): Lower MEDIUM model addressing.
7959         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7960         (enum cmodel): Add MEDIUM_PIC.
7961         (SYMBOL_REF_FAR_ADDR_P): New macro.
7962         (SYMBOL_FLAG_FAR_ADDR): New flag.
7963         * i386.md (movdi): Support medium model.
7964         (set_got_rex64): New pattern.
7965         * i386.opt (mlarge-data-threshold): New flag.
7966         * predicates.md (zext_operand/sext_operand): Deal with medium model.
7967         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7968         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7969         TARGET_ASM_UNIQUE_SECTION): New.
7970
7971         * invoke.texi (-mlarge_data_threshold): Document
7972
7973 2005-07-31  Jan Hubicka  <jh@suse.cz>
7974
7975         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7976         (coalesce_vars): Likewise.
7977         * tree-ssa-live.c (coalesce_cost): New.
7978         (build_tree_conflict_graph): Use coalesce_cost.
7979         * tree-ssa-live.h (coalesce_cost): Declare.
7980
7981 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
7982
7983         * arm.md (all peepholes for post-increment operations): Delete.
7984         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7985         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7986         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7987         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7988         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7989
7990 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
7991
7992         * fold-const.c (tree_expr_nonnegative_p): Always return true for
7993         non-integral types.
7994
7995 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
7996
7997         PR target/22582
7998         * doc/invoke.texi: Document -rdynamic.
7999
8000 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
8001
8002         PR c/23143
8003         * c-parser.c (c_parser_parms_list_declarator): Call
8004         mark_forward_parm_decls.
8005         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
8006         decls with visibility structure.
8007
8008 2005-07-30  Paul Brook  <paul@codesourcery.com>
8009
8010         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
8011
8012 2005-07-30  Paul Brook  <paul@codesourcery.com>
8013
8014         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
8015         prototype.
8016         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
8017         value for mode.
8018         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
8019
8020 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8021
8022         PR c/529
8023         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
8024         nested function declarators.
8025         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
8026         (grokparms): Call warn_if_shadowing for parameters used within the
8027         parameter list.
8028         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
8029         not used within the parameter list.
8030         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
8031
8032 2005-07-30  Jan Hubicka  <jh@suse.cz>
8033
8034         * expr.c (expand_expr_real_1): Do not load mem targets into register.
8035         * i386.c (ix86_fixup_binary_operands): Likewise.
8036         (ix86_expand_unary_operator): Likewise.
8037         (ix86_expand_fp_absneg_operator): Likewise.
8038         * optabs.c (expand_vec_cond_expr): Validate dest.
8039
8040 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8041
8042         PR c/21720
8043         * real.c (real_from_string): Also set last bit if there is a
8044         nonzero hex digit beyond GCC's internal precision after ".".
8045
8046 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
8047
8048         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
8049         define_constants.  Change duplicate values to unassigned numbers.
8050         Change UNSPEC_SUBS to UNSPEC_VSUBS.
8051         (*altivec_vspltsf): New.
8052         (altivec_vperm_v4sf): Delete.
8053         (altivec_vperm_<mode>): Use mode macro V.
8054         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
8055         (altivec_predicate_v4sf): Delete.
8056         (altivec_predicate_<mode>): Use mode macro V.
8057         (*altivec_lvesfx): New.
8058         (*altivec_stvesfx): New.
8059         (vec_realign_load_v4sf): Delete.
8060         (vec_realign_load_<mode>): Use mode macro V.
8061         * config/rs6000/rs6000.c (generate_set_vrsave): Use
8062         UNSPECV_SET_VRSAVE.
8063
8064 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
8065
8066         PR bootstrap/23131
8067         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
8068         string.
8069         * configure: Regenerated.
8070
8071 2005-07-29  Paul Brook  <paul@codesourcery.com>
8072
8073         * doc/install.texi: Add link to GFortran binaries wiki page.
8074
8075 2005-07-29  David Ung  <davidu@mips.com>
8076
8077         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
8078         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
8079         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
8080         * config/mips/mips.md (cpu): Add 5kf name.
8081         (includes): Includes 5k.md.
8082         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
8083         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
8084         -march flag.
8085
8086 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8087
8088         PR 22550
8089         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
8090         (cleanup_tree_cfg): ... here.
8091         Call cleanup_tree_cfg_1 until there are no more cleanups to
8092         do.
8093
8094 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
8095
8096         * tree-vrp.c (compare_range_with_value): Return true or false
8097         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
8098         EQ_EXPR respectively.
8099
8100 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
8101
8102         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
8103         Fix comment typos.
8104
8105 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
8106
8107         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
8108         (tree_ssa_dominator_optimize): Increment it.
8109         (dump_dominator_optimization_stats): Print it.
8110
8111 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
8112             Steven Bosscher  <stevenb@suse.de>
8113
8114         PR rtl-optimization/23117
8115         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
8116         when head == tail.  Tidy comment.
8117
8118 2005-07-28  Richard Henderson  <rth@redhat.com>
8119
8120         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
8121         * cselib.c (rtx_equal_for_cselib_p): Likewise.
8122         * jump.c (rtx_renumbered_equal_p): Likewise.
8123         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
8124         CONST_INT and CONST_DOUBLE.
8125         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
8126         * reload.c (operands_match_p): Special case CONST_INT and
8127         CONST_DOUBLE; check mode earlier.
8128
8129 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8130
8131         PR c/22240
8132         * c-typeck.c (convert_for_assignment): Do not check
8133         DECL_IN_SYSTEM_HEADER on NULL fundecl.
8134
8135 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8136
8137         PR c/22192
8138         * c-typeck.c (composite_type): Prefer constant size arrays to
8139         VLAs.
8140
8141 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
8142
8143         PR c/21720
8144         * real.c (real_from_string): Set last bit if there is a nonzero
8145         hex digit beyond GCC's internal precision.
8146
8147 2005-07-28  Richard Henderson  <rth@redhat.com>
8148
8149         PR rtl-opt/22619
8150         * cfgcleanup.c (try_forward_edges): Watch out for end of
8151         insn chain.
8152
8153 2005-07-28  James E Wilson  <wilson@specifixinc.com>
8154
8155         PR c/23106
8156         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
8157
8158 2005-07-28  Jan Hubicka  <jh@suse.cz>
8159
8160         * Makefile.in (rtl-profile.o): Kill all traces of it.
8161         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
8162         * coverage.h (rtl_coverage_counter_ref): Kill.
8163         * opts.c (flag_speculative_prefetching_set): Kill.
8164         (flag_loop_optimize_set): New.
8165         (common_handle_option): Disable loop optimizer when profiling;
8166         do not handle speculative prefetching.
8167         * passes.c (init_optimization_passes): Replace pass_profiling combo
8168         by branch_prob pass.
8169         * profile.c (compute_value_histograms): Update for simplified value
8170         profiles.
8171         (rtl_register_profile_hooks): Kill.
8172         (pass_profiling): Kill.
8173         (rest_of_handle_branch_prob): Do not profile.
8174         * toplev.c (process_options): Remove speculative prefetching.
8175         * toplev.h (flag_tree_based_profiling): Kill.
8176         * tree-profile.c (prepare_instrumented_value,
8177         tree_gen_interval_profiler, tree_gen_pow2_profiler,
8178         tree_gen_one_value_profiler, do_tree_profiling): Update for
8179         simplified datastructures.
8180         * value-prof.c: Add comment that speculative prefetching was dropped;
8181         update rest of file for simplified datastructures.
8182         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
8183         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
8184         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
8185         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
8186         rtl_mod_subtract, gen_speculative_prefetch,
8187         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
8188         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
8189         (gate_handle_value_profile_transformations,
8190         rest_of_handle_value_profile_transformations,
8191         pass_value_profile_transformations): Kill.
8192         * value-prof.h (histogram_value_t): Remove IL based unions.
8193         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
8194         rtl_profile_hooks): Remove hooks.
8195
8196         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
8197
8198         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
8199         (cgraph_clone_node): Likewise.
8200         * cgraph.h (cgraph_clone_edge): Update prototype.
8201         (cgraph_clone_node): Likewise.
8202         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
8203         cgraph_clone_node.
8204         (lookup_recursive_calls): Consider profile.
8205         (cgraph_decide_recursive_inlining): Fix updating; use new
8206         probability argument; use profile.
8207         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
8208         * tree-inline.c (copy_bb): Update clal of clone_edge.
8209         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
8210
8211         * invoke.texi (min-inline-recursive-probability): Document.
8212
8213 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
8214
8215         * doc/install.texi (Configuration): Update Valgrind homepage.
8216
8217 2005-07-28  Richard Henderson  <rth@redhat.com>
8218
8219         PR middle-end/21362
8220         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
8221         labels we want to delete.
8222         (cfg_layout_merge_blocks): Likewise.
8223
8224 2005-07-28  Richard Henderson  <rth@redhat.com>
8225
8226         PR target/17692
8227         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
8228         when expanding to nothing.
8229
8230 2005-07-28  Josh Conner  <jconner@apple.com>
8231
8232         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
8233         (cgraph_decide_inlining_of_small_functions): Likewise.
8234
8235 2005-07-28  Josh Conner  <jconner@apple.com>
8236
8237         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
8238         direction of badness if negative.
8239         (cgraph_default_inline_p): Add reason to parameters, and assign it
8240         a value.
8241         (cgraph_decide_inlining_of_small_functions): New parameter in call
8242         to cgraph_default_inline_p.
8243         (cgraph_decide_inlining_incrementally): Likewise.
8244         * cgraphunit.c (decide_is_function_needed): Likewise.
8245         * cgraph.h (cgraph_default_inline_p): Likewise.
8246
8247 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8248
8249         * builtins.c: Fix comment typo(s).
8250         * genautomata.c: Likewise.
8251         * gimplify.c: Likewise.
8252         * tree-dfa.c: Likewise.
8253         * tree-flow-inline.h: Likewise.
8254         * tree-into-ssa.c: Likewise.
8255         * tree-ssa-alias.c: Likewise.
8256         * tree-ssa-ccp.c: Likewise.
8257         * tree-ssa-copy.c: Likewise.
8258         * tree-ssa-dce.c: Likewise.
8259         * tree-ssa-dom.c: Likewise.
8260         * tree-ssa-operands.c: Likewise.
8261         * tree-tailcall.c: Likewise.
8262         * tree-vectorizer.c: Likewise.
8263         * tree-vrp.c: Likewise.
8264         * tree.c: Likewise.
8265
8266 2005-07-28  Jeff Law  <law@redhat.com>
8267
8268         * tree-vrp.c (test_for_singularity): Extracted from  ...
8269         (simplify_cond_using_ranges): Attempt to simplify a relational
8270         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
8271
8272 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
8273
8274         PR tree-optimization/22506
8275         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
8276         phis whose argument is constant.
8277
8278 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
8279
8280         PR rtl-optimization/18992
8281         Back out this patch:
8282           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8283           PR optimization/12142
8284           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
8285           uses of the register in the SET_SRC.  Remove unnecessary argument.
8286
8287         Replace it with this:
8288         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
8289         if flag_non_call_exceptions is set and the insn may trap, pass
8290         pc_rtx as dest for recursion.
8291         In SET_SRC part of SET case, if dest is already set, pass it down
8292         unchanged.
8293
8294 2005-07-28  Jan Hubicka  <jh@suse.cz>
8295
8296         * cfg.c (update_bb_profile_for_threading): Use RDIV.
8297         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
8298         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
8299         roundoff errors.
8300         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
8301         profile when available.
8302
8303 2005-07-28  Jan Beulich <jbeulich@novell.com>
8304
8305         * config/ia64/ia64.c (ia64_load_pair_ok): New.
8306         (ia64_print_operand): Describe and handle 'X'.
8307         (ia64_register_move_cost): Also handle FP_REGS.
8308         (ia64_preferred_reload_class): Likewise.
8309         (ia64_secondary_reload_class): Likewise.
8310         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
8311         it. Also check for ITANIUM_CLASS_FLDP.
8312         * config/ia64/ia64.h (FP_REGNO_P): New.
8313         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
8314         (reg_class): Add FP_REGS.
8315         (REG_CLASS_NAMES): Adjust for it.
8316         (REG_CLASS_CONTENTS): Likewise.
8317         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
8318         (REG_CLASS_FROM_LETTER): Handle 'x'.
8319         (CLASS_MAX_NREGS): Handle FP_REGS.
8320         (MEMORY_MOVE_COST): Likewise.
8321         * config/ia64/ia64.md (itanium_class): Add fldp.
8322         (type): Handle fldp.
8323         (movti_internal): More allowable operand combinations. Use ldfp8 when
8324         splitting unnecessary. Remove predicable attribute. Adjust
8325         itanium_class attribute.
8326         (smuldi3_highpart): Remove outdated comment.
8327         (mulditi3, umulditi3, rotlti3): New expanders.
8328         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
8329         (absti2): Disabled new insn for future reference.
8330         Respective new splitters.
8331         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
8332         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
8333         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
8334
8335 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
8336
8337         PR rtl-optimization/23047
8338         * simplify-rtx.c (simplify_const_relational_operation): Respect
8339         flag_wrapv for comparisons with ABS.
8340
8341 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
8342
8343         PR tree-optimization/22493
8344         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
8345         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
8346
8347 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
8348
8349         * config/frv/frv.opt (moptimize-membar): New.
8350
8351         * doc/invoke.texi: Document -moptimize-membar and its inverse.
8352
8353         * config/frv/frv.h: Remove machine_function definition.
8354
8355         * config/frv/frv.c (struct frv_io): New.
8356         (struct machine_function): Moved from frv.h.  Add has_membar_p.
8357         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
8358         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
8359         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
8360         (frv_optimize_membar_global, frv_optimize_membar): New functions.
8361         (frv_reorg): Call frv_optimize_membar when appropriate.
8362         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
8363         (frv_expand_builtin): Adjust calls accordingly.
8364         (frv_io_address_cookie): New function.
8365         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
8366         load or store rather than a special insn.  Add ccnstant address and
8367         io-type operands to the membar.
8368         (frv_ifcvt_modify_tests): Unsign regno.
8369         (frv_ifcvt_modify_tests): Same.
8370
8371         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
8372         UNSPEC_OPTIONAL_MEMBAR constant.
8373         (builtin_read_<mode>): Delete.
8374         (builtin_write_<mode>): Delete.
8375         ("optional_membar_<mode>"): Add operand.
8376
8377         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
8378         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
8379         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
8380         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
8381         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
8382         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
8383         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
8384         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
8385         * testsuite/gcc.target/frv/all-read-write-1.c: New.
8386
8387 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
8388
8389         * df.c (df_uses_record): Handle SCRATCH.
8390
8391 2005-07-28  Steven Bosscher  <stevenb@suse.de>
8392
8393         PR debug/20161
8394         * passes.c (rest_of_decl_compilation): If decl is a type and
8395         we have encountered errors, don't emit debug information.
8396
8397 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
8398
8399         * params.def: Fixed comment.
8400
8401 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
8402
8403         PR target/19885
8404         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
8405         (TARGET_ASM_UNALIGNED_HI_OP): Add.
8406         (TARGET_ASM_UNALIGNED_SI_OP): Add.
8407
8408 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8409
8410         PR c++/22003
8411         * varasm.c (assemble_start_function): Don't do anything that may
8412         require a CFG if the current function is a thunk.
8413
8414 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
8415
8416         * doc/install.texi (Prerequisites): Mention that perl is needed
8417         to do export control in libstdc++ targetting Darwin.
8418
8419 2005-07-27  Steven Bosscher  <stevenb@suse.de>
8420
8421         PR rtl-optimization/17808
8422         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
8423         (sched_insns_conditions_mutex_p): Split out from...
8424         (add_dependence): ...here.  But don't call it from here.
8425         (add_dependence_list): Check sched_insns_conditions_mutex_p
8426         before calling add_dependence.
8427         (add_dependence_list_and_free): Likewise.
8428         (fixup_sched_groups): Likewise.
8429         (sched_analyze_1): Likewise.
8430         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
8431         (sched_analyze): Likewise.
8432         (sched_analyze_insn): Likewise.
8433         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
8434         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
8435         dependencies on all COND_EXEC insns to jumps ending basic blocks
8436         when doing intrablock scheduling.
8437         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
8438
8439 2005-07-27  Jeff Law  <law@redhat.com>
8440
8441         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
8442         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
8443         equivalency sets, correctly handle the case were vr0 has an
8444         equivalency set, but vr1 does not.
8445
8446 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
8447
8448         PR tree-optimization/23073
8449         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
8450         vect_print_dump_info before fprintf.
8451
8452 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8453
8454         PR tree-optimize/22348
8455         * tree-ssa-loop-niter.c (number_of_iterations_cond):
8456         Fold the partial computation.
8457
8458 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8459
8460         PR tree-optimization/22325
8461         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
8462         Declare.
8463         * tree-scalar-evolution.c (scev_const_prop): Add generic final
8464         value replacement.
8465         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
8466         (force_var_cost): ... this function.
8467         (compute_phi_arg_on_exit): Export.
8468
8469 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8470
8471         PR tree-optimization/20773
8472         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
8473         edge.
8474
8475 2005-07-27  Richard Guenther  <rguenther@suse.de>
8476
8477         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
8478         Avoid pushing again if current struct contains only
8479         fields we decomposed.
8480
8481 2005-07-27  Jan Hubicka  <jh@suse.cz>
8482
8483         PR tree-optimization/22574
8484         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
8485         not available.
8486
8487         * tree-tailcall.c (decrease_profile): New function.
8488         (eliminate_tail_call): Use it.
8489
8490         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
8491         visibility flags correctly in whole program mode.
8492
8493 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
8494
8495         PR rtl-optimization/22472
8496         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
8497
8498 2005-07-26  Steven Bosscher  <stevenb@suse.de>
8499
8500         PR tree-optimization/22504
8501         * tree-complex.c (expand_complex_addition): Use 'code' instead
8502         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
8503
8504 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8505
8506         * config.gcc (cpu_type): Add frv case.
8507         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
8508         (supported_defaults): Add fr550 case.
8509
8510 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
8511
8512         PR 22591
8513         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
8514         whether a pointer of type T * may point to objects of type T *.
8515
8516 2005-07-26  DJ Delorie  <dj@redhat.com>
8517
8518         * configure: Regenerate.
8519
8520 2005-07-26  Dale Johannesen  <dalej@apple.com>
8521
8522         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
8523
8524 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
8525
8526         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
8527         Clarify use of "build" in name.
8528
8529 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
8530
8531         * doc/extend.texi (Raw read/write Functions): New section.
8532         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
8533         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
8534         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
8535         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
8536         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
8537         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
8538         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
8539         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
8540         * config/frv/frv.c: Add bdesc_loads global.
8541         Add bdesc_stores global.
8542         (frv_init_builtins): Add support for __builtin_{read/write}*.
8543         (frv_volatile_memref): New.
8544         (frv_expand_load_builtin): New.
8545         (frv_expand_store_builtin): New.
8546         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
8547         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
8548         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
8549         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
8550         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
8551         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
8552         (builtin_read_<mode>): New.
8553         (builtin_write_<mode>): New.
8554         (builtin_write64): New.
8555         (optional_membar_<mode>): New.
8556
8557 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
8558
8559         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
8560         (rather than units) against HOST_BITS_PER_WIDE_INT.
8561
8562 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
8563
8564         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
8565         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
8566         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
8567         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
8568         FSF address.
8569
8570         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
8571         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
8572         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
8573         comment typos.
8574         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
8575
8576 2005-07-26  Richard Guenther  <rguenther@suse.de>
8577
8578         PR tree-optimization/22486
8579         * fold-const.c (fold_unary): Fold away useless component
8580         references of the form (T *)&T.x, if the address
8581         doesn't change.
8582
8583 2005-07-25  James E Wilson  <wilson@specifixinc.com>
8584
8585         * dwarf2out.c (add_call_src_coords_attributes): New.
8586         (gen_inlined_subroutine_die): Call it.
8587         (maybe_emit_file, init_file_table): Add comments.
8588         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
8589         maybe_emit_file.
8590         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
8591         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
8592         * tree.h (BLOCK_SOURCE_LOCATION): New.
8593         (struct tree_block): New field locus.
8594
8595 2005-07-26  Andreas Schwab  <schwab@suse.de>
8596
8597         PR rtl-optimization/23043
8598         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
8599         when allocating a struct unoccr.
8600
8601 2005-07-25  Richard Henderson  <rth@redhat.com>
8602
8603         PR 22626
8604         * tree-complex.c (gate_no_optimization): True if errors.
8605         * Makefile.in (tree-complex.o): Update dependencies.
8606
8607 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
8608
8609         * config/frv/predicates.md (integer_register_operand): Use
8610         GPR_AP_OR_PSEUDO_P.
8611
8612 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8613
8614         PR tree-opt/22484
8615         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
8616         after fold.
8617         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
8618
8619 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
8620
8621         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
8622         types when flag_unsafe_math_optimizations is true.
8623
8624 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
8625
8626         * gcc.c (option_map): Add --sysroot.
8627         (process_command): Handle --sysroot.
8628         (display_help): Document it.
8629         * doc/cppopts.tex (-isysroot): Document.
8630         * doc/invoke.texi (--sysroot): Document.
8631         * doc/install.texi (--with-build-sysroot): Document.
8632
8633         * Makefile.in (inhibit_libc): New variable.
8634         (INHIBIT_LIBC_CFLAGS): Likewise.
8635         (LIBGCC2_CFLAGS): Include
8636         $(INHIBIT_LIBC_CFLAGS).
8637         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
8638         ($(T)crtbegin.o): Do not use @inhibit_libc@.
8639         ($(T)crtend.o): Likewise.
8640         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
8641         ($(T)crtendS.o): Likewise.
8642         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
8643         ($(T)crtendT.o): Likewise.
8644         (stmp-fixinc): Do not complain about missing headers if
8645         inhibit_libc.
8646         * configure.ac (inhibit_libc): Set it to true/false.
8647         (--with-build-sysroot): New option.  Use it to set
8648         SYSTEM_HEADER_DIR.
8649         * configure: Regenerated.
8650
8651 2005-07-25  Manfred Hollstein  <mh@suse.com>
8652
8653         * calls.c (store_one_arg): Fix unsigned comparison warning.
8654
8655 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
8656
8657         PR other/22337
8658         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
8659         (ggc_print_statistics): Initialize variable before use.
8660
8661 2005-07-25  Richard Guenther  <rguenther@suse.de>
8662
8663         * tree-dfa.c (mark_new_vars_to_rename): Protect against
8664         calling with a PHI_NODE argument.
8665
8666         * tree-flow-inline.h (overlap_subvar): Protect against
8667         possible overflow.
8668
8669 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
8670
8671         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
8672         * configure: Regenerate.
8673
8674 2005-07-25  Ira Rosen  <irar@il.ibm.com>
8675
8676         * expr.c (highest_pow2_factor): Make extern.
8677         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
8678         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
8679         record_array_differ_p, array_ptr_differ_p): Likewise.
8680         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
8681         additional cases. Call the above functions.
8682         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
8683         base_object_differ_p when there are two base objects. Otherwise, compare
8684         base address and offset. Call may_alias_p.
8685         (dump_data_reference): Use a correct field name.
8686         (analyze_array): Make static. Initialize new data-ref fields.
8687         (analyze_indirect_ref): New function.
8688         (init_data_ref): Initialize new data-ref fields.
8689         (strip_conversion): Moved from tree-vect-analyze.c.
8690         (analyze_offset_expr, get_ptr_offset, address_analysis,
8691         object_analysis): Likewise.
8692         (analyze_offset): New function.
8693         (create_data_ref): Likewise.
8694         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
8695         dimensions for ARRAY_REFs only.
8696         (build_classic_dist_vector): Make static.
8697         (access_functions_are_affine_or_constant_p): Call macro to get the
8698         address of access functions.
8699         (compute_all_dependences): Add new parameter
8700         compute_self_and_read_read_dependences. Compute self and read-read
8701         dependences if it is true.
8702         (find_data_references_in_loop): Call create_data_ref. Initialize new
8703         data-ref fields.
8704         (compute_data_dependences_for_loop): Add new parameter
8705         compute_self_and_read_read_dependences. Remove parameter nb_loops,
8706         compute nb_loops. Call compute_all_dependences,
8707         build_classic_dist_vector and build_classic_dir_vector with correct
8708         parameters.
8709         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
8710         with correct parameters. Compare dimensions for ARRAY_REFs only.
8711         (free_data_refs): Call macro to free access functions.
8712         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
8713         fields from stmt_vinfo.
8714         (struct base_object_info): New structure.
8715         (struct data_reference): Move fields to base_object_info. Add fields
8716         first_location and object_info for above structures. Move fields from
8717         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
8718         aligned_to.  Add macros to access the new fields.
8719         Update functions declarations.
8720         * tree-flow.h (is_aliased_with): Declare.
8721         * tree-loop-linear.c (linear_transform_loops): Call
8722         compute_data_dependences_for_loop with correct parameters.
8723         * tree-ssa-alias.c (is_aliased_with): New function.
8724         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
8725         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
8726         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
8727         vect_base_addr_differ_p, compute_subscript_distance and
8728         build_classic_dist_vector. Add printings. Check absolute value of
8729         distance.
8730         (vect_analyze_data_ref_dependences): Go through ddrs instead of
8731         data-refs.
8732         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
8733         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
8734         to bytes. Add printing.
8735         (vect_compute_data_refs_alignment): Go through loads and stores in one
8736         loop.
8737         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
8738         vect_analyze_data_ref_access): Likewise.
8739         (vect_analyze_pointer_ref_access): Remove.
8740         (vect_address_analysis, vect_object_analysis): Likewise.
8741         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
8742         and analyze data-refs in the loop.
8743         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
8744         fields of data-ref instead of stmt. Add init to the offset from the
8745         base.
8746         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
8747         (vect_update_init_of_dr): Likewise.
8748         (vect_update_inits_of_drs): Go through loads and stores in one loop.
8749         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
8750         removed fields.
8751         (new_loop_vec_info): Initialize new fields.
8752         (destroy_loop_vec_info): Free new fields.
8753         (vect_strip_conversion): Remove.
8754         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
8755         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
8756         datarefs. Add new field ddrs.
8757         Add macros for the new fields access.
8758         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
8759         base_aligned_p, misalignment, memtag, ptr_info and subvars.
8760         Remove their macros.
8761         * tree.h (highest_pow2_factor): Declare.
8762
8763 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
8764
8765         * calls.c (store_one_arg): Check for sibling call MEM arguments
8766         from already clobbered incoming argument area.
8767
8768 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8769
8770         * c-common.c (check_missing_format_attribute): New.
8771         * c-common.h (check_missing_format_attribute): Likewise.
8772         * c-typeck.c (convert_for_assignment): Use it.
8773
8774 2005-07-24  Andreas Schwab  <schwab@suse.de>
8775
8776         * config/m68k/m68k.md ("extendqidi2"): When source is an address
8777         register use a word move.  Correct operand of ext.w in 68000 code.
8778
8779 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
8780
8781         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
8782         variables as declarations, rather than definitions.
8783
8784 2005-07-24  Ira Rosen  <irar@il.ibm.com>
8785
8786         PR tree-optimization/22526
8787         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
8788         of the zero node.
8789
8790 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
8791
8792         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
8793         that C99 reserve for future use. Use it to define clog10,
8794         clog10f and clog10l.
8795
8796 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8797
8798         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
8799         * configure.ac: Check for -Wmissing-format-attribute.
8800
8801         * configure: Regenerate.
8802
8803 2005-07-23  Richard Henderson  <rth@redhat.com>
8804
8805         PR tree-optimization/22623
8806         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
8807
8808 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
8809
8810         PR target/22577
8811         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
8812
8813 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8814
8815         * Makefile.in (C_TREE_H): Update dependencies.
8816         * c-tree.h: Include toplev.h.
8817         * diagnostic.h (diagnostic_set_info): Add format attribute.
8818         * rtl-error.c (diagnostic_for_asm): Likewise.
8819
8820 2005-07-23  Chao-ying Fu  <fu@mips.com>
8821
8822         * config/mips/mips-dsp.md: New file.
8823         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
8824         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
8825         functions.
8826         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
8827         MIPS_BUILTIN_BPOSGE32.
8828         (mips_expand_builtin_direct): Add one parameter to indicate that
8829         builtin functions need to return a value.
8830         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8831         functions.
8832         (mips_regno_to_class): Add classes for 12 new DSP registers.
8833         (mips_subword): Change to check four HI registers.
8834         (mips_output_move): Output move to and from 6 new DSP accumulators.
8835         (override_options): Make sure -mdsp and -mips16 are not used together.
8836         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
8837         for machine modes.
8838         (mips_conditional_register_usage): Disable 6 new DSP accumulators
8839         when !TARGET_DSP.
8840         (print_operand): Add 'q' for printing DSP accumulators.
8841         (mips_cannot_change_mode_class): Check ACC_REGS.
8842         (mips_secondary_reload_class): Check ACC_REGS.
8843         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8844         (mips_register_move_cost): Check ACC_REGS.
8845         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8846         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8847         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8848         (dsp_bdesc): New array.
8849         (bdesc_arrays): Add DSP builtin function table.
8850         (mips_prepare_builtin_arg): Check predicate again after
8851         copy_to_mode_reg.
8852         (mips_expand_builtin): Add one more parameter to
8853         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8854         MIPS_BUILTIN_BPOSGE32.
8855         (mips_init_builtins): Initialize new function types.
8856         (mips_expand_builtin_direct): Check if builtin functions need to
8857         return a value and pass operands properly.
8858         (mips_expand_builtin_bposge): New function.
8859         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8860         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8861         (FIRST_PSEUDO_REGISTER): Increase to 188.
8862         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8863         Update for 12 new DSP registers.
8864         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8865         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8866         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8867         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8868         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8869         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8870         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8871         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8872         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8873         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8874         (REGISTER_NAMES): Add names for 12 new DSP registers.
8875         * config/mips/mips.md: Include mips-dsp.md.
8876         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8877         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8878         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8879         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8880         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8881         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8882         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8883         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8884         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8885         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8886         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8887         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8888         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8889         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8890         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8891         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8892         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8893         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8894         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8895         (UNSPEC_RDDSP): New constants.
8896         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8897         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
8898         A<-d alternative.
8899         * config/mips/mips.opt (-mdsp): New option.
8900         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8901         (reg_imm10_operand): New predicates.
8902         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8903         * doc/invoke.texi (-mdsp): Document new option.
8904
8905 2005-07-22  DJ Delorie  <dj@redhat.com>
8906
8907         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8908         to warning calls.
8909         * tree-inline.c (inlinable_function_p): Likewise.
8910
8911 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
8912
8913         PR debug/21828
8914         * toplev.c (check_global_declarations): Do not mark undefined
8915         variables as DECL_IGNORED_P.
8916         * varasm.c (first_global_object_name): GTY it.
8917         (weak_global_object_name): Likewise.
8918         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8919         a string to go into {weak,first}_global_object_name.
8920
8921 2005-07-22  DJ Delorie  <dj@redhat.com>
8922
8923         * c-format.c (check_function_format): Change warning control
8924         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8925
8926 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
8927
8928         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8929         &PTR->FLD a dereference of PTR.
8930         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8931         a potential dereference of PTR.
8932
8933 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
8934
8935         PR rtl-optimization/20370
8936         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8937         call allocate_reg_info if necessary.
8938
8939         PR rtl-optimization/21848
8940         * calls.c (emit_library_call_value_1): For const functions, add
8941         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8942
8943         PR rtl-optimization/22445
8944         * cselib.c (target.h): Include.
8945         (rtx_equal_for_cselib_p): Allow commutative matches.
8946         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8947         Remove MODE parameter.  Changed all callers.
8948
8949         PR rtl-optimization/22258
8950         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8951         New functions.
8952         (try_combine): Use likely_spilled_retval_p.
8953
8954 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
8955
8956         * config.gcc: Add crx-elf support.
8957
8958         * doc/contrib.texi: Mention crx.
8959         * doc/extend.texi: Document crx extensions.
8960         * doc/install.texi: Document crx install.
8961         * doc/invoke.texi: Document crx options.
8962         * doc/md.texi: Document crx constraints.
8963
8964         * config/crx/crx-protos.h: New file.
8965         * config/crx/crx.c: New file.
8966         * config/crx/crx.h: New file.
8967         * config/crx/crx.md: New file.
8968         * config/crx/crx.opt: New file.
8969         * config/crx/t-crx: New file.
8970
8971 2005-07-22  Manfred Hollstein  <mh@suse.com>
8972
8973         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8974         warnings.
8975         (int_add_graph_edge): Likewise.
8976         (collapse_nodes): Likewise.
8977         (process_unification_queue): Likewise.
8978
8979 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8980             Laurent GUERBY  <laurent@guerby.net>
8981
8982         PR tree-optimization/22336
8983         * function.c (record_block_change): Check for
8984         cfun->ib_boundaries_block.
8985
8986 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
8987
8988         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8989         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8990
8991 2005-07-21  DJ Delorie  <dj@redhat.com>
8992
8993         * toplev.c (warn_deprecated_use): Add warning control to warning
8994         call.
8995         * c-typeck.c (parser_build_binary_op): Likewise.
8996         (c_finish_if_stmt): Likewise.
8997         * c-common.c (check_function_sentinel): Likewise.
8998         (check_nonnull_arg): Likewise.
8999
9000 2005-07-21  Richard Henderson  <rth@redhat.com>
9001
9002         PR tree-opt/22504
9003         * tree-complex.c (complex_ssa_name_components): New.
9004         (cvc_lookup): Allow entry not found.
9005         (create_components): Remove.
9006         (create_one_component_var, get_component_var): New.
9007         (get_component_ssa_name, set_component_ssa_name): New.
9008         (extract_component): Use get_component_ssa_name.
9009         (update_complex_components): Use set_component_ssa_name.
9010         (update_complex_components_on_edge): Likewise.
9011         (update_phi_components): Create new PHI nodes directly, instead
9012         of adding insns to edges.
9013         (tree_lower_complex): Allocate and free complex_variable_components
9014         and complex_ssa_name_components here.
9015
9016 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
9017
9018         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
9019         revert to returning false.
9020
9021 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9022
9023         PR target/21149
9024         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
9025
9026 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
9027
9028         PR target/22576
9029         * config/i386/i386.md (cmpxf): Change operand constraints
9030         to "nonmemory_operand".
9031
9032 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9033
9034         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
9035
9036 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9037
9038         PR middle-end/21180
9039         * fold-const.c (fold_build1): Add checksum for the operands.
9040         (fold_build2): Likewise.
9041         (fold_build3): Likewise.
9042
9043 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
9044
9045         PR middle-end/19055
9046         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
9047
9048 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9049
9050         * common.opt (-fforward-propagate): Committed by mistake,
9051         removed.
9052
9053 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9054
9055         * reg-stack.c: Fix comment typo(s).
9056         * tree-ssa-operands.c: Likewise.
9057         * tree-vectorizer: Likewise.
9058
9059 2005-07-21  Nick Clifton  <nickc@redhat.com>
9060
9061         * config/sh/symbian.c: Replace C++ style line comments with C
9062         style line comments.
9063         (symbian_add_attribute): Do not use a ? operator on the LHS of
9064         an assignment.
9065         (sh_symbian_handle_dll_attribute): Change the type of the
9066         method vector to "VEC(tree,gc)*" and use vector accessor
9067         macros to walk over the elements.
9068         (symbian_export_vtable_and_rtti_p): Likewise.
9069         (symbian_class_needs_attribute_p): Likewise.
9070
9071 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9072
9073         PR target/22085
9074         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
9075         initialize targetm.resolve_overloaded_builtin here.
9076         (altivec_expand_overloaded_builtin): Make it non-static.
9077         * config/rs6000/rs6000-protos.h
9078         (altivec_expand_overloaded_builtin): New prototype.
9079         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
9080         targetm.resolve_overloaded_builtin here.
9081         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
9082
9083 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
9084             Zdenek Dvorak  <dvorakz@suse.cz>
9085
9086         PR tree-optimization/19210
9087         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
9088         New.
9089         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
9090         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
9091         rely on unproven assumptions.
9092         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
9093         * tree-flow.h (number_of_iterations_exit): Add final parameter.
9094         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
9095         to number_of_iterations_exit.
9096         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
9097         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
9098         * tree-ssa-loop-niter.c (find_loop_niter,
9099         estimate_numbers_of_iterations_loop): Likewise.
9100         (number_of_iterations_exit): Honor the new options.
9101         * doc/invoke.texi (Wunsafe-loop-optimizations,
9102         funsafe-loop-optimizations): Document them.
9103
9104 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
9105
9106         PR rtl-optimization/22167
9107         * gcse.c (hoist_code): Fix hoist_exprs[] check.
9108
9109 2005-07-20  Adam Nemet  <anemet@lnxw.com>
9110
9111         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
9112         __do_global_dtors_aux longcall.
9113
9114 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
9115
9116         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
9117         (old_special_pred_table): Don't reference
9118         SPECIAL_MODE_PREDICATES.
9119         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
9120         * config/arc/arc.h: Don't mention PREDICATE_CODES.
9121         * config/sh/predicates.h: Don't mention
9122         SPECIAL_MODE_PREDICATES.
9123         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
9124         Remove.
9125
9126 2005-07-20  DJ Delorie  <dj@redhat.com>
9127
9128         * config.gcc: Add m32c-elf support.
9129
9130         * doc/contrib.texi: Mention m32c.
9131         * doc/extend.texi: Document m32c extensions.
9132         * doc/install.texi: Mention m32c.
9133         * doc/invoke.texi: Document m32c options.
9134         * doc/md.texi: Document m32c constraints.
9135
9136         * config/m32c/addsub.md: New file.
9137         * config/m32c/bitops.md: New file.
9138         * config/m32c/cond.md: New file.
9139         * config/m32c/jump.md: New file.
9140         * config/m32c/m32c-lib1.S: New file.
9141         * config/m32c/m32c-lib2.c: New file.
9142         * config/m32c/m32c-modes.def: New file.
9143         * config/m32c/m32c-pragma.c: New file.
9144         * config/m32c/m32c-protos.h: New file.
9145         * config/m32c/m32c.abi: New file.
9146         * config/m32c/m32c.c: New file.
9147         * config/m32c/m32c.h: New file.
9148         * config/m32c/m32c.md: New file.
9149         * config/m32c/m32c.opt: New file.
9150         * config/m32c/minmax.md: New file.
9151         * config/m32c/mov.md: New file.
9152         * config/m32c/muldiv.md: New file.
9153         * config/m32c/predicates.md: New file.
9154         * config/m32c/prologue.md: New file.
9155         * config/m32c/shift.md: New file.
9156         * config/m32c/t-m32c: New file.
9157
9158 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9159
9160         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
9161         (stack_protect_set, stack_protect_test): New expanders.
9162         (stack_protect_set_si, stack_protect_set_si_media,
9163         stack_protect_set_di_media, stack_protect_test_si,
9164         stack_protect_test_si_media, stack_protect_test_di_media):
9165         New insns.
9166
9167 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
9168
9169         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
9170
9171 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
9172
9173         * tree.h (tree_expr_nonzero_p): Export.
9174         * fold-const.c (tree_expr_nonzero_p): Likewise.
9175         Return true for CALL_EXPRs that are alloca calls.
9176         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
9177         against zero.
9178         * tree-flow.h (expr_computes_nonzero): Remove.
9179         * tree-vrp.c (expr_computes_nonzero): Remove.
9180         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
9181         (extract_range_from_unary_expr): Likewise.
9182         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
9183         tree_expr_nonzero_p.
9184
9185 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
9186
9187         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
9188         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
9189         extra arg "picreg" and use it instead of pic_offset_table_rtx.
9190         All callers changed.
9191         (frame_related_constant_load): New arg "related" which controls
9192         setting of RTX_FRAME_RELATED_P.  All callers changed.
9193         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
9194         (bfin_expand_prologue): Add stack limit checking.
9195         * config/bfin/bfin.md (trapifcc): New pattern.
9196
9197         * config/bfin/bfin.c: Include "langhooks.h".
9198         (def_builtin): Go through lang_hooks to call builtin_function.
9199
9200         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
9201         * config/bfin/predicates.md (symbol_ref_operand): New.
9202         (call_insn_operand): Delete.  All callers changed to use
9203         register_no_elim_operand.
9204         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
9205         call_cookie field.
9206         (function_arg): Use it to generate the call's operand 2.
9207         (bfin_longcall_p): New function.
9208         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
9209         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
9210         determine if the address needs to be in a REG.
9211         (bfin_handle_longcall_attribute): New function.
9212         (bfin_attribute_table): Add "longcall" and "shortcall".
9213         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
9214         (CUMULATIVE_ARGS): New member call_cookie.
9215         (PREDICATE_CODES): Add symbol_ref_operand.
9216         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
9217         extra USE to the pattern.
9218         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
9219         New patterns, split off call_insn, sibcall_insn, call_value_insn and
9220         sibcall_value_insn; now the new patterns handle direct calls and the
9221         old ones indirect calls.
9222         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
9223
9224 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9225
9226         * doc/trouble.texi: Update section on handling of empty loops.
9227
9228 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
9229
9230         * config.gcc: Remove support for sparc-*-openbsd*,
9231         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
9232         ns32k-*-netbsd*.
9233         * config.host: Remove support for i860-*-sysv4* as a host.
9234         * config/i860/*, config/ip2k/*, config/ns32k/*,
9235         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
9236         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
9237         mention obsolete ports.
9238
9239 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9240
9241         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
9242         soft frame pointer.
9243         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
9244         of frame_pointer_rtx.
9245         (sh_expand_epilogue): Likewise.
9246         (sh_set_return_address): Likewise.
9247         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
9248         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
9249         offsets from FRAME_POINTER_REGNUM.
9250         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
9251         (sh_register_names): Add initializer for sfp.
9252         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
9253         (VALID_REGISTER_P): Likewise.
9254         (FIRST_PSEUDO_REGISTER): Update.
9255         (DWARF_FRAME_REGISTERS): Define.
9256         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
9257         (HARD_FRAME_POINTER_REGNUM): Define.
9258         (FRAME_POINTER_REGNUM): Redefine.
9259         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
9260         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
9261         from FRAME_POINTER_REGNUM.
9262         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
9263         FRAME_POINTER_REGNUM.
9264         (REG_CLASS_CONTENTS): Add sfp.
9265         (REG_ALLOC_ORDER): Likewise.
9266         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
9267         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
9268         of frame_pointer_rtx.
9269         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
9270
9271 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
9272
9273         * fold-const.c (tree_expr_nonnegative_p): Only return true for
9274         ABS_EXPR when flag_wrapv is false because of INT_MIN.
9275         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
9276         of an ABS_EXPR.
9277         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
9278         ABS_EXPR<x>.
9279
9280 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
9281
9282         Make CONSTRUCTOR use VEC to store initializers.
9283         * c-common.c (complete_array_type): Update to cope with VEC in
9284         CONSTRUCTOR_ELTS.
9285         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
9286         (pp_c_constructor_elts): New function.
9287         * c-pretty-print.h (pp_c_constructor_elts): Declare.
9288         * c-typeck.c (build_function_call, build_c_cast, digest_init,
9289         struct constructor_stack, struct initializer_stack,
9290         constructor_elements, push_init_level, pop_init_level,
9291         add_pending_init, find_init_member, output_init_element): Update to
9292         cope with VEC in CONSTRUCTOR_ELTS.
9293         * coverage.c (build_fn_info_value, build_ctr_info_value,
9294         build_gcov_info): Likewise.
9295         * expr.c (categorize_ctor_elements_1, store_constructor,
9296         expand_expr_real_1): Likewise.
9297         * fold-const.c (fold_ternary): Likewise.
9298         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
9299         gimplify_init_constructor, gimplify_expr): Likewise.
9300         * tree-dump.c (dequeue_and_dump): Likewise.
9301         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
9302         node.
9303         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
9304         CONSTRUCTOR_ELTS.
9305         * tree-sra.c (generate_element_init_1): Likewise.
9306         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
9307         * tree-ssa-operands.c (get_expr_operands): Likewise.
9308         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
9309         * tree-vect-transform.c (vect_get_vec_def_for_operand):
9310         (get_initial_def_for_reduction): Likewise.
9311         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
9312         value handle in annotations.
9313         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
9314         tree_node_structure): Add support for constr_kind.
9315         (build_vector_from_ctor, build_constructor_single,
9316         build_constructor_from_list): New functions.
9317         (build_constructor): Update to take a VEC instead of a TREE_LIST.
9318         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
9319         Update to cope with VEC in CONSTRUCTOR_ELTS.
9320         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
9321         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
9322         CONSTRUCTOR_APPEND_ELT): New macros.
9323         (struct constructor_elt, struct tree_constructor): New data types.
9324         (union tree_node): Add tree_constructor field.
9325         * treestruct.def: Define TS_CONSTRUCTOR.
9326         * varasm.c (const_hash_1, compare_constant, copy_constant,
9327         compute_reloc_for_constant, output_addressed_constants,
9328         initializer_constant_valid_p, output_constant,
9329         array_size_for_constructor, output_constructor): Update to cope with
9330         VEC in CONSTRUCTOR_ELTS.
9331         * vec.h (VEC_empty, VEC_copy): New macros.
9332
9333 2005-07-19  Devang Patel  <dpatel@apple.com>
9334
9335         * dbxout.c (dbxout_type): Check Objective-C++ lang.
9336
9337 2005-07-19  Richard Henderson  <rth@redhat.com>
9338
9339         PR tree-opt/22278
9340         * gimplify.c (gimplify_expr): Use main variant type for the temp
9341         destination for a discarded volatile read.
9342         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
9343         casts between non-void types that change volatility.
9344
9345 2005-07-15  DJ Delorie  <dj@redhat.com>
9346
9347         * toplev.h: Add comment about the first parameter for warning().
9348         * errors.h: Likewise.
9349
9350         * c.opt (Wpragmas): New.
9351         * doc/invoke.texi: Document it.
9352
9353         * function.c (do_warn_unused_parameter): Add warning control to
9354         warning call.
9355         * c-decl.c (warn_if_shadowing): Likewise.
9356         * c-lex.c (cb_def_pragma): Likewise.
9357         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
9358         (pop_alignment): Likewise.
9359         (handle_pragma_pack): Likewise.
9360         (apply_pragma_weak): Likewise.
9361         (handle_pragma_weak): Likewise.
9362         (handle_pragma_redefine_extname): Likewise.
9363         (add_to_renaming_pragma_list): Likewise.
9364         (handle_pragma_extern_prefix): Likewise.
9365         (maybe_apply_renaming_pragma): Likewise.
9366         (handle_pragma_visibility): Likewise.
9367
9368         * config/c4x/c4x-c.c (BAD): Likewise.
9369         (c4x_parse_pragma): Likewise.
9370         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
9371         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
9372         (rs6000_pragma_longcall): Likewise.
9373         * config/v850/v850-c.c (pop_data_area): Likewise.
9374         (ghs_pragma_section): Likewise.
9375         (ghs_pragma_section): Likewise.
9376         (ghs_pragma_interrupt): Likewise.
9377         (ghs_pragma_starttda): Likewise.
9378         (ghs_pragma_startsda): Likewise.
9379         (ghs_pragma_startzda): Likewise.
9380         (ghs_pragma_endtda): Likewise.
9381         (ghs_pragma_endsda): Likewise.
9382         (ghs_pragma_endzda): Likewise.
9383
9384 2005-07-19  Danny Berlin <dberlin@dberlin.org>
9385             Kenneth Zadeck <zadeck@naturalbridge.com>
9386
9387         * Makefile.in: Removed tree-promote-statics.c
9388         * tree-promote-statics.c: Removed.
9389         * common.opt: Removed flag-promote-statics.
9390         * opts.c: Ditto.
9391         * passes.c: Removed tree-promote-statics pass.
9392         * tree-pass.h: Ditto.
9393         * timevar.def: Removed TV_PROMOTE_STATICS.
9394
9395
9396 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
9397
9398         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
9399         and *-*-freebsd9.
9400         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
9401
9402 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9403
9404         PR c/22476
9405         * c-common.c (check_function_arguments): Call
9406         'check_function_format' if either -Wformat or
9407         -Wmissing-format-attribute are specified.
9408         * c-format.c (check_function_format): Check -Wformat before
9409         calling 'check_format_info'.
9410         * c-opts.c (c_common_post_options): Don't warn for
9411         -Wmissing-format-attribute without -Wformat.
9412         * c-typeck.c (convert_for_assignment): Detect additional cases for
9413         -Wmissing-format-attribute.
9414         * doc/invoke.texi (-Wmissing-format-attribute): Document new
9415         behavior.
9416
9417 2005-07-19  Richard Guenther  <rguenther@suse.de>
9418
9419         * config/i386/i386.md (lrint<mode>2): Use temporary
9420         instead of clobbering non-existent memory.
9421
9422 2005-07-19  Nick Clifton  <nickc@redhat.com>
9423
9424         * config/avr/avr.c (legitimate_address_p): Fix debugging print
9425         statement to avoid displaying ASCII control characters.
9426
9427 2005-07-19  Ben Elliston  <bje@au.ibm.com>
9428
9429         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
9430         * cfganal.c (find_edge_index): Ditto.
9431         * combine.c (combine_instructions): Ditto.
9432         * ddg.c (create_scc): Ditto.
9433         (find_successors): Ditto.
9434         (find_predecessors): Ditto.
9435         (find_nodes_on_paths): Ditto.
9436         (longest_simple_path): Ditto.
9437         * flow.c (update_life_info): Ditto.
9438         (count_or_remove_death_notes): Ditto.
9439         (clear_log_links): Ditto.
9440         * modulo-sched.c (generate_reg_moves): Ditto.
9441         (find_max_asap): Ditto.
9442         (find_max_hv_min_mob): Ditto.
9443         (find_max_dv_min_mob): Ditto.
9444         * sbitmap.c (sbitmap_first_set_bit): Ditto.
9445         * sched-rgn.c (extract_edgelst): Ditto.
9446         * tree-into-ssa.c (prepare_names_to_update): Ditto.
9447         (dump_update_ssa): Ditto.
9448         (ssa_names_to_replace) Ditto.
9449         (switch_virtuals_to_full_rewrite): Ditto.
9450         (update_ssa): Ditto.
9451         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
9452
9453 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
9454
9455         Fix PR tree-optimization/22483
9456
9457         * tree-complex.c (create_components): Use
9458         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
9459         * tree-flow-inline.h (fill_referenced_var_vec): New function.
9460         * tree-flow.h (safe_referenced_var_iterator): New structure.
9461         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
9462         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
9463         safe_referenced_var iterator.
9464         (add_type_alias): Ditto.
9465
9466 2005-07-19  Steven Bosscher  <stevenb@suse.de>
9467
9468         * loop-init.c (rest_of_handle_loop2): Remove.
9469         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
9470         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
9471         (pass_rtl_loop_init, pass_rtl_loop_done,
9472         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
9473         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
9474         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
9475         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
9476         pass_tree_loop_done, and pass_tree_unswitch.
9477         (gate_loop): Rename to gate_tree_loop.
9478         * passes.c (init_optimization_passes): Update for renamed tree
9479         loop passes.  Add the new loop2 passes as subpasses of loop2.
9480         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
9481         Update for the renamed tree loop passes.
9482
9483 2005-07-18  Ian Lance Taylor  <ian@airs.com>
9484
9485         PR middle-end/22057
9486         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
9487         blocks when optimizing.
9488
9489 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
9490
9491         * common.opt (frename-registers): Initialize to 2.
9492         (fweb): Ditto.
9493         (fgcse-after-reload): Ditto.
9494         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
9495         (process_options): Only change flag_web, flag_rename_registers,
9496         and flag_rerun_cse_after_loop if not explicitly set by user.
9497
9498 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9499
9500         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
9501         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
9502         in 64-bit mode the same as DImode in 32-bit mode.
9503         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
9504         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
9505         mode. Add new mode parameter.
9506         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
9507         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
9508         x86_64_shift_adj): New expanders.
9509         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
9510         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
9511         insns.
9512         Respective new splitters. Use renamed shift splitter helpers in 32-bit
9513         DImode shift splitters.
9514         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
9515         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
9516         mode parameter.
9517
9518 2005-07-18  Jan Beulich  <jbeulich@novell.com>
9519
9520         * i386.md (movdi_extzv_1): New.
9521         (zero_extendhidi2): Combine alternatives and never force use of
9522         REX64 prefix.
9523         (zero_extendqidi2): Likewise. Don't restrict input selection.
9524
9525 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9526
9527         Fix PR tree-optimization/22531
9528         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
9529          moment.
9530
9531 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9532
9533         * tree-promote-statics.c (pass_promote_statics): Change dump file
9534          name.
9535
9536 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
9537
9538         * tree-optimize.c (init_tree_optimization_passes): Add
9539         pass_eliminate_useless_stores pass.
9540         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
9541         * tree-ssa-pre.c (is_copy_stmt): New function.
9542         (follow_copies_till_vuse): Ditto.
9543         (do_eustores): Ditto.
9544         (gate_eustores): Ditto.
9545
9546 2005-07-16  Richard Henderson  <rth@redhat.com>
9547
9548         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
9549
9550 2005-07-16 Danny Berlin <dberlin@dberlin.org>
9551            Kenneth Zadeck <zadeck@naturalbridge.com>
9552
9553         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
9554         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
9555         ipa-type-escape.h, tree-promote-statics.c
9556         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
9557         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
9558         tree-promote-statics.c: new files.
9559         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
9560         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
9561         int nonlocal_set_p, mark_constant_function): Deleted.
9562         (rest_of_handle_cfg): Removed call to mark_constant_function.
9563         (nonoverlapping_component_refs_p): Added calls to support
9564         type based aliasing.
9565         * tree-ssa-alias.c (may_alias_p,
9566         compute_flow_insensitive_aliasing): Ditto.
9567         * calls.c (flags_from_decl_or_type): Removed reference to
9568         cgraph_rtl_info.
9569         * c-typeck.c (convert_arguments): Make builtins tolerant of having
9570         too many arguments.  This is necessary for Spec 2000.
9571         * cgraph.h (const_function, pure_function): Removed.
9572         * common.opt: Added "fipa-pure-const", "fipa-reference",
9573         "fipa-type-escape", and "ftree-promote-static".
9574         * opts.c: Ditto.
9575         * passes.c: Added ipa and tree-promote-statics passes.
9576         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
9577         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
9578         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
9579         * tree-flow.h: Added exposed sra calls and addition of
9580         reference_vars_info field for FUNCTION_DECLS.
9581         * tree-pass.h: Added passes.
9582         * tree-sra.c: (sra_init_cache): New function.
9583         (sra_insert_before, sra_insert_after) Made public.
9584         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
9585         and made public.
9586         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
9587         aliasing. (may_alias_p): Added code to use type escape analysis to
9588         improve alias sets.
9589         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
9590         code to prune clobbers of static variables based on information
9591         produced in ipa-reference pass.  Changed call clobbering so that
9592         statics are not marked as clobbered if the call does not clobber
9593         them.
9594
9595 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
9596
9597         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
9598         too.
9599
9600 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
9601
9602         * doc/install.texi (*-*-solaris2*): Document recommended version
9603         of GNU binutils and mention GNU linker problem on Solaris 10.
9604
9605 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
9606
9607         PR c/22421
9608         * c-decl.c (c_build_bitfield_integer_type): New function.
9609         (finish_struct): Call it.
9610         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
9611
9612 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9613
9614         * c-typeck.c (digest_init): Call 'convert_for_assignment'
9615         before returning.
9616
9617 2005-07-16  Jan Hubicka  <jh@suse.cz>
9618
9619         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
9620         (scale_bbs_frequencies_int): Watch roundoff errors.
9621         * predict.c (return_prediction): Initialize return_stmt.
9622
9623 2005-07-16  Jan Hubicka  <jh@suse.cz>
9624
9625         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
9626         after RTL profiling.
9627
9628 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
9629
9630         PR middle-end/22398
9631         * fold-const.c (build_range_check): Convert high/low to etype
9632         if we are only comparing against exp.
9633
9634 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
9635
9636         Fix PR tree-optimization/22376
9637         * tree-ssa-structalias.c (build_constraint_graph): We really meant
9638         special var here.
9639         (need_to_solve): New function.
9640         (compute_points_to_sets): Use it.
9641
9642 2005-07-15  Jan Hubicka  <jh@suse.cz>
9643
9644         * cfg.c (update_bb_profile_for_threading): More diagnostic.
9645         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
9646
9647 2005-07-15  Richard Guenther  <rguenther@suse.de>
9648
9649         * c-common.c (handle_flatten_attribute): New function.
9650         Add flatten function attribute.
9651         * doc/extend.texi: Document flatten function attribute.
9652         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
9653         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
9654         New functions.
9655         (cgraph_decide_inlining): Handle functions with flatten
9656         attribute.
9657
9658 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
9659
9660         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
9661         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
9662         UNSPEC_XCHG, UNSPEC_AND): New.
9663         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
9664         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
9665         * config/rs6000/sync.md (FETCHOP): New code macro.
9666         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
9667         New code attrs.
9668         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
9669         (sync_compare_and_swap<mode>): Same.
9670         (sync_lock_test_and_set<mode>): Same.
9671         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
9672         for QImode and HImode, and not PPC405.
9673         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
9674         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
9675         (sync_<fetchop>{si,di}_internal): New.
9676         (sync_nand{si,di}_internal): New.
9677         (sync_old_<fetchop>{si,di}_internal): New.
9678         (sync_old_nand{si,di}_internal): New
9679         (sync_new_<fetchop>{si,di}_internal): New.
9680         (sync_new_nand{si,di}_internal): New.
9681         (atomic_and{si,di}): New.
9682         (sync_new_nand{si,di}_internal): New.
9683         (atomic_and{si,di}): New.
9684         (sync_add<mode>_internal): Delete.
9685         (sync_addshort_internal): Use unspec instead of unspec_volatile.
9686         (sync_sub<mode>_internal): Delte.
9687         (sync_subshort_internal): New.
9688         (sync_andsi_internal): Use unspec instead of unspec_volatile.
9689         (sync_anddi_internal): Delete.
9690         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
9691         (sync_booldi_internal): Delete.
9692         (sync_boolc<mode>_internal): Delete.
9693         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
9694         (sync_boolc<mode>_internal2): Delete.
9695         (sync_boolcc<mode>_internal): Delete.
9696         (isync, lwsync): Use unspec instead of unspec_volatile.
9697         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
9698         Revert UNSPEC_VOLATILE.
9699         (rs6000_split_atomic_op): New.
9700         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
9701
9702 2005-07-14  Eric Christopher  <echristo@redhat.com>
9703
9704         * config/mips/mips.c (mips_canonicalize_comparison): Cast
9705         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
9706
9707 2005-07-14  Eric Christopher  <echristo@redhat.com>
9708
9709         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
9710
9711 2005-07-14  Steven Bosscher  <stevenb@suse.de>
9712
9713         PR tree-optimization/22230
9714         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
9715         the computation of the four cross productions for "range op range".
9716
9717 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
9718             Ulrich Weigand  <uweigand@de.ibm.com>
9719
9720         PR target/20126
9721         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
9722         in some insn.
9723
9724 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
9725
9726         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
9727
9728 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
9729
9730         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
9731
9732 2005-07-14  Richard Guenther  <rguenther@suse.de>
9733
9734         PR middle-end/22347
9735         * config/i386/i386-protos.h (ix86_function_value): Change
9736         prototype to match new target hook.
9737         * config/i386/i386.c (ix86_value_regno): Change prototype
9738         to take extra type argument.
9739         (TARGET_FUNCTION_VALUE): Define.
9740         (ix86_function_ok_for_sibcall): Pass extra argument to
9741         ix86_value_regno, check return slot rtx for exact match.
9742         (ix86_function_value): Take extra parameter.  Dispatch to
9743         ix86_value_regno with fndecl/fntype as provided.
9744         (ix86_value_regno): Handle extra type argument.
9745         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
9746
9747         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
9748         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
9749         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
9750         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
9751         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
9752
9753 2005-07-14  Richard Guenther  <rguenther@suse.de>
9754
9755         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
9756         * calls.c (expand_call): Pass fntype to hard_function_value.
9757         (emit_library_call_value_1): Likewise.
9758         * explow.c: Include target.h.
9759         (hard_function_value): Take extra argument, the fntype.
9760         Use new target hook for function_value.
9761         * expr.h (hard_function_value): Change prototype.
9762         * function.c (aggregate_value_p): Pass 0 as fntype to
9763         hard_function_value.
9764         (assign_parms): Use new target hook for function_value.
9765         Pass 0 as fntype to hard_function_value.
9766         (expand_function_end): Likewise.
9767         * reg-stack.c: Include target.h.
9768         (stack_result): Use new target hook for function_value.
9769         * target-def.h: New target hook function_value.
9770         * target.h: Likewise.
9771         * targhooks.c (default_function_value): New function.
9772         * targhooks.h (default_function_value): Declare.
9773
9774 2005-07-13  Ian Lance Taylor  <ian@airs.com>
9775
9776         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
9777
9778 2005-07-14  Jan Hubicka  <jh@suse.cz>
9779
9780         * tree-dfa.c (dump_variable): Use default_def function.
9781         * tree-ssa-alias.c (dump_points_to_info): Likewise.
9782         * tree-ssa.c (verify_use): Likewise.
9783         * tree-ssanames.c (release_ssa_name): Likewise.
9784         * tree-tailcall.c (eliminate_tail_call): Likewise.
9785         (tree_optimize_tail_calls_1): Likewise.
9786         * tree-vrp.c (get_value_range): Likewise.
9787
9788 2005-07-14  Ben Elliston  <bje@au.ibm.com>
9789
9790         * gcc.c (main): Compare language[0] with '*' when iterating over
9791         the infiles.
9792
9793 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9794
9795         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
9796         "s390_emit_compare".  Add handling of CCZ1mode.
9797         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
9798         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
9799         checking.
9800         (s390_branch_condition_mask): Add CCZ1mode handling.
9801         * config/s390/s390.md: ("seq", "*seq"): New pattern.
9802         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
9803         Use CCZ1mode instead of CCZmode.
9804         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
9805
9806 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
9807
9808         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
9809         pattern.
9810         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
9811
9812 2005-07-13  Eric Christopher  <echristo@redhat.com>
9813
9814         * config/mips/mips.c (mips_canonicalize_comparison): New.
9815         (mips_emit_int_relational): Use.
9816
9817 2005-07-13  Eric Christopher  <echristo@redhat.com>
9818
9819         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9820         static extra parts.
9821         * config/s390/s390.md: Include tpf.md. Move tpf specific
9822         patterns...
9823         * config/s390/tpf.md: To here.
9824         * config/s390/s390.opt: Move tpf specific options...
9825         * config/s390/tpf.opt: to here. Add mmain option.
9826         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9827         * config/s390/tpf.h: Rewrite.
9828
9829 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9830
9831         * doc/tm.texi: Remove @xref{Cross-profiling}.
9832
9833 2005-07-13  Jeff Law  <law@redhat.com>
9834
9835         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9836         expressions, test their _DECL operands for pointer equality rather
9837         than using operand_equal_p.
9838
9839 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9840
9841         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9842         (TARGET_POSIX_IO): This.
9843         * config/darwin.h: Likewise.
9844         * config/freebsd.h: Likewise.
9845         * config/linux.h: Likewise.
9846         * config/lynx.h: Likewise.
9847         * config/netbsd.h: Likewise.
9848         * config/rs6000/linux64.h: Likewise.
9849         * config/rs6000/linux.h: Likewise.
9850         * config/s390/tpf.h: Likewise.
9851         * config/sh/embed-elf.h: Likewise.
9852         * config/sparc/linux64.h: Likewise.
9853         * config/sparc/linux.h: Likewise.
9854         * config/svr4.h: Likewise.
9855         * gcov-io.h: Likewise.
9856
9857         * doc/tm.texi: Updated.
9858
9859         * libgcov.c (create_file_directory): Defined only if
9860         TARGET_POSIX_IO is defined.
9861         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9862         is defined.
9863
9864 2005-07-13  Jan Hubicka  <jh@suse.cz>
9865
9866         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9867
9868 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
9869
9870         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9871         structure as argument.
9872
9873 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
9874
9875         PR tree-optimization/21921
9876         * tree-iterator.c (tsi_link_before): Support the case when
9877         tsi_end_p (tsi) == true.
9878
9879 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9880
9881         PR tree-optimization/22442
9882         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9883         correctly.
9884
9885 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9886
9887         PR rtl-optimization/20376
9888         * toplev.c (process_options): Enable -fweb and -frename-registers when
9889         unrolling.
9890         * doc/invoke.texi: Update the information about when -fweb and
9891         -frename-registers are enabled.
9892
9893 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9894
9895         PR tree-opt/21840
9896         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9897         if *rhs_p is not a SSA_NAME.
9898
9899 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
9900
9901         Fix PR tree-optimization/22422
9902         * tree-ssa-structalias.c (struct variable_info): Add flag for
9903         special vars.
9904         (get_varinfo): Now a static function.
9905         (new_varinfo): init has_union and is_special_var to false.
9906         (solution_set_add): Check has_union.
9907         (do_da_constraint): Move temporary variable so it gets reset
9908         properly.
9909         Also check for special variable.
9910         (do_ds_constraint): Ditto.
9911         (do_sd_constraint): Ditto.
9912         (do_structure_copy): Check for special variable.
9913         (find_func_aliases): Ditto.
9914         (init_base_vars): Set special vars properly.
9915
9916 2005-07-13  Jan Hubicka  <jh@suse.cz>
9917
9918         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9919         do unit-at-a-time.
9920
9921         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9922         (get_expr_operands): Fix thinko wrt flags and subvars.
9923
9924         PR tree-optimize/22379
9925         * tree-inline.c (expand_call_inline): Do not output sorry in early
9926         inlining.
9927
9928 2005-07-12  Dale Johannesen  <dalej@apple.com>
9929
9930         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
9931
9932 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9933
9934         PR bootstrap/21704
9935         * host-linux.h: Include limits.h.
9936
9937 2005-07-12  Dale Johannesen  <dalej@apple.com>
9938
9939         * expr.c (compress_float_constant):  Add cost check.
9940         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
9941
9942 2005-07-12  Dale Johannesen  <dalej@apple.com>
9943
9944         * gcc.target/i386/compress-float-sse.c:  New.
9945         * gcc.target/i386/compress-float-sse-pic.c:  New.
9946         * gcc.target/i386/compress-float-387.c:  New.
9947         * gcc.target/i386/compress-float-387-pic.c:  New.
9948         * gcc.dg/compress-float-ppc.c:  New.
9949         * gcc.dg/compress-float-ppc-pic.c:  New.
9950
9951 2005-07-12  Eric Christopher  <echristo@redhat.com>
9952
9953         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9954         static extra parts.
9955         * config/s390/s390.md: Include tpf.md. Move tpf specific
9956         patterns...
9957         * config/s390/tpf.md: To here.
9958         * config/s390/s390.opt: Move tpf specific options...
9959         * config/s390/tpf.opt: to here. Add mmain option.
9960         * config/s390/tpf-unwind.h: Remove unnecessary defines.
9961         * config/s390/tpf.h: Rewrite.
9962
9963 2005-07-12  Eric Christopher  <echristo@redhat.com>
9964
9965         * gcc.c (struct infile): Update comment for language.
9966         (main): Rewrite input file resetting code.
9967
9968 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
9969
9970         PR tree-opt/22335
9971         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9972         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
9973         (lookup_avail_expr): Use constant_boolean_node instead
9974         of boolean_false_node/boolean_true_node.
9975
9976 2005-07-12  Ben Elliston  <bje@au.ibm.com>
9977
9978         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9979         and use it when printing num_edges.
9980
9981 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
9982
9983         * doc/extend.texi (Blackfin Built-in Functions): New section.
9984         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9985         @opindex.
9986
9987 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
9988
9989         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9990         s/cmpstrsi/cmpstrnsi
9991         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9992         'cmpstrnsi'.
9993         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9994         (init_optabs): Initialize cmpstrn_optab.
9995         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9996         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9997         * expr.c: (enum insn_code cmpstrn_optab): Declare.
9998         * config/i386/i386.md: s/cmpstr/cmpstrn
9999         * config/c4x/c4x.md: s/cmpstr/cmpstrn
10000         * doc/md.texi: Update documentation.
10001
10002 2005-07-11  Richard Henderson  <rth@redhat.com>
10003
10004         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
10005         build_va_arg_indirect_ref.
10006         (alpha_gimplify_va_arg): Likewise.
10007         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
10008         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
10009         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
10010         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
10011         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
10012         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
10013         Likewise.
10014         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
10015
10016 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
10017
10018         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
10019         * passes.c (init_optimization_passes): Add pass_empty_loop.
10020         * tree-pass.h (pass_empty_loop): Declare.
10021         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
10022         try_remove_empty_loop, remove_empty_loops): New functions.
10023         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
10024         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
10025
10026 2005-07-12  Peter Barada  <peter@the-baradas.com>
10027
10028         PR middle-end/16719
10029         PR middle-end/18421
10030         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
10031         in address registers.
10032         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
10033         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
10034         alternative of addsi3_5200.
10035
10036 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10037
10038         * config/mips/mips.md (ffs<mode>2): Remove.
10039
10040 2005-07-11  Ian Lance Taylor  <ian@airs.com>
10041
10042         * doc/tree-ssa.texi (Cleanups): Improve description of
10043         TRY_FINALLY_EXPR.
10044         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
10045
10046 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10047
10048         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
10049         * tree.h (DECL_ARGUMENT_FLD): New macro.
10050
10051 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
10052
10053         Fix PR tree-optimization/22404
10054
10055         * tree-ssa-structalias.c (create_variable_info_for): Use
10056         correct offset.
10057
10058 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
10059
10060         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
10061         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
10062         for second comparison operand.
10063         * config/bfin/predicates.md (reg_or_const_int_operand): New.
10064
10065         * config/bfin/bfin.md (define_attr "type"): Add "sync".
10066         (define_insn_reservation "alu"): Likewise.
10067         (csync, ssync): Now of type sync.
10068         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
10069         -mcsync-anomaly -mspecld-anomaly.
10070         * config/bfin/bfin.opt (mcsync): Remove.
10071         (mcsync-anomaly, mspecld-anomaly): Add.
10072         * config/bfin/bfin.c: Include "insn-codes.h".
10073         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
10074         (TARGET_DEFAULT_TARGET_FLAGS): New.
10075         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
10076
10077 2005-07-11  Steven Bosscher  <stevenb@suse.de>
10078
10079         * basic-block.h: Give the BB flags enum a name, bb_flags.
10080         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
10081         * cfgcleanup.c (enum bb_flags): Remove here.
10082         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
10083         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
10084         (update_forwarder_flag): Likewise.
10085         (thread_jump): Likewise.
10086         (try_forward_edges): Likewise.
10087         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
10088         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
10089         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
10090
10091 2005-07-11  Richard Guenther  <rguenther@suse.de>
10092
10093         * config/i386/i386.opt: New target option -msseregparm.
10094         * config/i386/i386.c (override_options): Error out for
10095         -msseregparm but no SSE support.
10096         (ix86_function_sseregparm): Check for global sseregparm.
10097         * doc/invoke.texi: Document -msseregparm.
10098
10099 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10100
10101         * config.gcc (m32r-*-linux*): Use the default extra_parts.
10102         (m32rle-*-linux*): Ditto.
10103
10104 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
10105
10106         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
10107         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
10108         bytes.
10109
10110 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10111
10112         PR middle-end/22239
10113         PR target/20126
10114         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
10115         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
10116
10117 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
10118
10119         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
10120         (varmap): Heapify varmap.
10121         (constraints): Heapify constraints.
10122         (struct constraint_graph): Heapify succs and preds.
10123         (constraint_vec_find): Update for heapification.
10124         (constraint_set_union): Ditto.
10125         (insert_into_complex): Ditto.
10126         (constraint_edge_vec_find): Ditto.
10127         (erase_graph_self_edge): Ditto.
10128         (add_graph_edge): Ditto.
10129         (get_graph_weights): Ditto.
10130         (merge_graph_nodes): Ditto.
10131         (build_constraint_graph): Ditto.
10132         (topo_visit): Ditto.
10133         (solve_graph): Ditto.
10134         (create_variable_info_for): Ditto.
10135         (init_base_vars): Ditto.
10136         (delete_points_to_sets): Free graph, varmap, and complex constraints.
10137         (condese_varmap_nodes): Free complex vector.
10138         (clear_edges_for_node): Clear succs and preds vector.
10139
10140 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10141
10142         * tree-ssa-structalias.c (update_alias_info): Change counting of
10143         references to not include vdefs.
10144
10145 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
10146
10147         * tree-ssa-alias.c (free_used_part_map): Add missing free.
10148         (up_insert): Ditto.
10149
10150 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10151
10152         * pa.c (pa_commutative_p): Make PLUS commutative when
10153         TARGET_NO_SPACE_REGS is true.
10154
10155 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10156
10157         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
10158         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
10159         * tree-dfa.c (dump_subvars_for): New.
10160         (debug_subvars_for): New.
10161         (dump_variable): Show subvariables if VAR has them.
10162         * tree-flow-inline.h (get_subvar_at): New.
10163         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
10164         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
10165         Update all users.
10166         (struct subvar): Change fields offset and size to unsigned
10167         HOST_WIDE_INT.
10168         (dump_subvars_for): Declare.
10169         (debug_subvars_for): Declare.
10170         (get_subvar_at): Declare.
10171         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
10172         to unsigned HOST_WIDE_INT *.
10173         (overlap_subvar): Likewise.
10174         * tree-gimple.c (is_gimple_reg): Always return false for
10175         SFTs and memory tags.
10176         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
10177         Update all callers.
10178         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
10179         (compute_may_aliases): Call compute_points_to_sets.
10180         (collect_points_to_info_for): Remove.
10181         (compute_points_to_and_addr_escape): Remove.
10182         (delete_alias_info): Call delete_points_to_sets.
10183         (compute_flow_sensitive_aliasing): If the call to
10184         find_what_p_points_to returns false, call set_pt_anything.
10185         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
10186         (set_pt_anything): Clear pi->pt_vars.
10187         (set_pt_malloc): Remove.
10188         (merge_pointed_to_info): Remove.
10189         (add_pointed_to_expr): Remove.
10190         (add_pointed_to_var): Remove.
10191         (collect_points_to_info_r): Remove.
10192         (is_escape_site): Make extern.
10193         (create_sft): New.
10194         (create_overlap_variables_for): Call it.
10195         * tree-ssa-copy.c (merge_alias_info): Never merge
10196         flow-sensitive alias information.
10197         * tree-ssa-operands.c (get_expr_operands): Adjust variables
10198         offset and size to be unsigned HOST_WIDE_INT.
10199         (add_to_addressable_set): Rename from note_addressable.
10200         Set TREE_ADDRESSABLE as the variables are added to the set.
10201         Update all users.
10202         (add_stmt_operand): Do not try to micro-optimize unmodifiable
10203         operands into VUSEs when adding V_MAY_DEFs for members in an
10204         alias set.
10205         * tree-ssa-operands.h (add_to_addressable_set): Declare.
10206         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
10207         (struct variable_info): Add bitfield is_heap_var.
10208         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
10209         (new_var_info): Initialize is_heap_var.
10210         (get_constraint_for): Add HEAP variables to the symbol table.
10211         Mark them with is_heap_var.
10212         (update_alias_info): New.  Taken mostly from the old
10213         compute_points_to_and_addr_escape.
10214         (handle_ptr_arith): New.
10215         (find_func_aliases): Call update_alias_info.
10216         Call handle_ptr_info for tcc_binary expressions.
10217         Call mark_stmt_modified.
10218         (create_variable_info_for): If DECL has subvars, do not create
10219         variables for its subvars.  Always add all the fields.
10220         (set_uids_in_ptset): If the solution includes ANYOFFSET and
10221         SFTs, then add all the SFTs of the structure.
10222         If VI->DECL is an aggregate with subvariables, add the SFT at
10223         VI->OFFSET.
10224         (find_what_p_points_to): If VI is an artificial variable,
10225         translate to bitfields in SSA_NAME_PTR_INFO.
10226         If the solution is empty, set pi->pt_vars to NULL
10227         (init_base_vars): Create ANYOFFSET.
10228         (compute_points_to_sets): Rename from create_alias_vars.
10229         Make extern.
10230         (pass_build_pta): Remove.
10231         (delete_points_to_sets): Rename from delete_alias_vars.
10232         (pass_del_pta): Remove.
10233         * tree-ssa-structalias.h (struct alias_info): Move from
10234         tree-ssa-alias.h.
10235         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
10236         NUM_REFERENCES_SET): Likewise.
10237         (compute_points_to_sets, delete_points_to_sets): Declare.
10238
10239 2005-07-09  Richard Henderson  <rth@redhat.com>
10240
10241         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
10242         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
10243         alpha_split_lock_test_and_set_12): New functions.
10244         * config/alpha/alpha-protos.h: Update.
10245         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
10246         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
10247         * config/alpha/sync.md (I12MODE): New.
10248         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
10249         (sync_<fetchop_name><I48MODE>): Likewise.
10250         (sync_nand<I48MODE>): Likewise.
10251         (sync_old_<fetchop_name><I48MODE>): Likewise.
10252         (sync_new_<fetchop_name><I48MODE>): Likewise.
10253         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
10254         (sync_compare_and_swap<I48MODE>): Likewise.
10255         (sync_lock_test_and_set<I48MODE>): Likewise.
10256         (sync_compare_and_swap<I12MODE>): New.
10257         (sync_compare_and_swap<I12MODE>_1): New.
10258         (sync_lock_test_and_set<I12MODE>): New.
10259         (sync_lock_test_and_set<I12MODE>_1): New.
10260
10261 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
10262
10263         PR 21356
10264         PR 22332
10265         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
10266
10267 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
10268
10269         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
10270         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
10271
10272 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
10273
10274         PR target/21656
10275         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
10276
10277 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
10278
10279         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
10280         memory_operand constraint.
10281         (store_conditional_<mode>): Same.
10282         (sync_compare_and_swap<mode>): Same.
10283         (sync_lock_test_and_set<mode>): Same.
10284
10285 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
10286
10287         Rewrite PIC support to more closely model actual instructions.
10288         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
10289         (cris_symbol): Remove prototypes for removed functions.
10290         (cris_pic_symbol_type_of, cris_valid_pic_const)
10291         (cris_expand_pic_call_address): Prototypes for new functions.
10292         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
10293         variable.
10294         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
10295         modifiers.
10296         <case ':'>: Add case for new punctuation character.
10297         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
10298         emitting (extra) PIC modifier.
10299         <case UNSPEC>: Do not assert for PLT.
10300         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
10301         (cris_expand_prologue, cris_expand_epilogue): Check
10302         for pic_offset_table_rtx usage instead of taking
10303         current_function_uses_pic_offset_table as the final word.
10304         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
10305         Remove flag_pic difference.
10306         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
10307         the moral equivalents of...
10308         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
10309         functions.
10310         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
10311         (cris_handle_option): Mark ARG as unused.
10312         (cris_expand_pic_call_address): New worker function for "call",
10313         "call_value".
10314         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
10315         output PIC constructs here.
10316         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
10317         as symbol-specific modifers, not whole or part of operands.
10318         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
10319         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
10320         constants and flag_pic.
10321         (CONSTANT_INDEX_P): Adjust for new functions.
10322         (enum cris_pic_symbol_type): New helper type.
10323         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
10324         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
10325         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
10326         define_constants.
10327         ("movsi"): Emit actual instructions for GOT and relative access.
10328         ("*movsi_got_load"): New pattern to set up the register holding
10329         the GOT pointer.
10330         ("*movsi_internal"): Operand 1 is not a plain general_operand.
10331         Adjust FIXME for 'S'.
10332         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
10333         Use "movs" for -fpic cases.
10334         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
10335         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
10336         ("call", "call_value"): Just call cris_expand_pic_call_address for
10337         PIC addresses.
10338         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
10339         Remove special pattern.
10340         ("*expanded_call_side", "*expanded_call_value_side"): New
10341         patterns.
10342         (gotplt-to-plt, gotplt-to-plt-side-call)
10343         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
10344         peephole2:s.
10345         * config/cris/cris/predicates.md
10346         ("cris_general_operand_or_gotless_symbol"): Remove unused
10347         predicate.
10348         ("cris_general_operand_or_symbol"): Adjust for new functions.
10349
10350 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10351
10352         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
10353
10354 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
10355
10356         * Makefile.in (TREE_H): Add treestruct.def.
10357         (c-decl.o): Add pointer-set.h
10358         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
10359         visibility on regular DECL's.
10360         (merge_decls): Fix the copying of decl nodes of various types for
10361         the new structures.  Don't update RTL, section name, weak status,
10362         etc, on DECL's without RTL.
10363         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
10364         Don't check volatile on non-variable types.
10365         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
10366         to check whether we have seen arguments.
10367         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
10368         flag is checked before field (flag is common, field is not).
10369         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
10370         TS_DECL_COMMON could have an origin.
10371         (add_location_or_const_value_attribute): Don't check section name
10372         on non-var/function decls.
10373         (dwarf2out_var_location): Reverse order of tests.
10374         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
10375         with DECL_WRTL_CHECK.
10376         * expmed.c (make_tree): rtl is now in decl_with_rtl.
10377         * fold-const.c (fold_binary): Don't check weakness on
10378         non-var/function decls.
10379         (tree_expr_nonzero_p): Ditto.
10380         (fold_checksum_tree): Use tree_decl_extra as sizeof
10381         buffer.
10382         * ggc-page.c (extra_order_size_table): Add sizes for
10383         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
10384         tree_field_decl.
10385         * gimplify.c (gimplify_bind_expr): Only set
10386         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
10387         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
10388         without RTL.
10389         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
10390         * langhooks.h (init_ts). New langhook.
10391         * passes.c (rest_of_decl_compilation): Reverse order of tests.
10392         * print-tree.c (print_node): Update to only print fields that
10393         exist in the structures the passed decl has.
10394         * toplev.c (wrapup_global_declarations): Don't reset
10395         DECL_DEFER_OUTPUT on DECL's that don't contain it.
10396         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
10397         * tree-inline.c (remap_decl): Ditto.
10398         * tree-outof-ssa.c (create_temp): Reverse order of tests.
10399         * tree-pretty-print.c (print_declaration): Don't print
10400         DECL_REGISTER on things that don't contain it.
10401         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
10402         non-var/function decls.
10403         * tree.c (tree_contains_struct): New structure.
10404         (init_priority_for_decl): New hashtable.
10405         (tree_int_map): New structure.
10406         (tree_int_map_eq): New function.
10407         (tree_int_map_marked_p): Ditto.
10408         (tree_int_map_hash): Ditto.
10409         (tree_map): Move to tree.h.
10410         (tree_map_eq): Externalize.
10411         (tree_map_hash): Ditto.
10412         (tree_map_marked_p): Ditto.
10413         (init_ttree): Set up tree_contains_struct and call langhook.
10414         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
10415         (tree_code_size): Update for new structures.
10416         (tree_node_structure): Update for new structures.
10417         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
10418         without the field.
10419         (copy_node_stat):  Copy init priority.
10420         (build_decl_stat): Ditto for visibility.
10421         (ts_enum_names): New.
10422         (tree_contains_struct_check_failed): New function.
10423         (decl_init_priority_lookup): Ditto.
10424         (decl_init_priority_insert): Ditto.
10425         * treestruct.def: New file.
10426         * tree.h (CODE_CONTAINS_STRUCT): New macro.
10427         (CONTAINS_STRUCT_CHECK): Ditto.
10428         (tree_contains_struct_check_failed): New prototype.
10429         (DECL_CHECK): Removed.
10430         (DECL_MINIMAL_CHECK): New.
10431         (DECL_COMMON_CHECK): Ditto.
10432         (DECL_WRTL_CHECK): Ditto.
10433         (DECL_NON_COMMON_CHECK): Ditto.
10434         (DECL_WITH_VIS_CHECK): Ditto.
10435         (VAR_OR_FUNCTION_DECL_P): Ditto
10436         (struct tree_decl_minimal): New structure.
10437         (struct tree_decl_common): Ditto.
10438         (struct tree_decl_with_rtl): Ditto.
10439         (struct tree_decl_with_vis): Ditto.
10440         (struct tree_decl_non_common): Ditto.
10441         (struct tree_field_decl): Ditto.
10442         (struct tree_parm_decl): Ditto.
10443         (struct tree_var_decl): Ditto.
10444         (struct tree_function_decl): Ditto.
10445         (struct tree_const_decl): Ditto.
10446         (struct tree_result_decl): Ditto.
10447         (union tree_node): Add new structures.
10448         * var-tracking.c (track_expr_p): Reverse order of tests.
10449
10450         * doc/c-tree.texi: Add documentation on DECL node internal structure.
10451
10452 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10453
10454         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
10455         * system.h: Poison FINALIZE_PIC.
10456         * doc/tm.texi (FINALIZE_PIC): Remove.
10457
10458 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10459
10460         PR tree-opt/22329
10461         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
10462         to the correct type if we have a MODIFY_EXPR.
10463
10464 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
10465
10466         PR tree-optimization/22360
10467         * tree.c (upper_bound_in_type): Fix calculations for casting
10468         to a non-wider signed type and casting a signed value to a
10469         wider unsigned type.
10470         (lower_bound_in_type): Fix calculations for casting to a
10471         non-wider signed type.
10472
10473         PR tree-optimization/20139
10474         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
10475         release_defs.
10476         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
10477         fold_cond_expr_cond.
10478         * tree-ssanames.c (release_defs): Assert in_ssa_p.
10479         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
10480
10481 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
10482
10483         PR tree-opt/22356
10484         * tree-complex.c (expand_complex_libcall): Produce
10485         REALPART_EXPR/IMAGPART_EXPR with the correct type.
10486
10487 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
10488
10489         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
10490         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
10491         b" assert and inserted fastpath code for this case.
10492         (bitmap_ior): Removed "a != b" assert.
10493
10494 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10495
10496         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
10497         (ENDFILE_SPEC): Likewise.
10498         * config/m32r/m32r.h (ASM_SPEC): Likewise.
10499
10500         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
10501         a large stack frame at epilogue.
10502
10503 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
10504
10505         * final.c: Include sdbout.h when required.
10506
10507 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
10508
10509         * config.gcc (*-*-darwin*): Only one target-specific header file
10510         for generic darwin.
10511         (powerpc-*-darwin*): Add version-specific header files.
10512         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
10513         * config.in: Regenerate.
10514         * configure: Regenerate.
10515         * gcc.c: Include xregex.h.
10516         (version_compare_spec_function): New.
10517         (spec_function): Add version-compare.
10518         (replace_outfile_spec_function): Reformat comment.
10519         (compare_version_strings): New.
10520         * config/darwin-c.c (version_as_macro): New.
10521         (builtin_define): New.
10522         (darwin_cpp_builtins): New.
10523         * config/darwin-protos.h (darwin_cpp_builtins): New.
10524         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
10525         (LIB_SPEC): Make unconditional, update comment.
10526         (TARGET_C99_FUNCTIONS): Define.
10527         * config/darwin.opt: Sort.
10528         (mmacosx-version-min=): New.
10529         * config/darwin7.h: Delete.
10530         * config/darwin8.h: Delete.
10531         * config/i386/darwin.h (): Call darwin_cpp_builtins.
10532         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
10533         (TARGET_C99_FUNCTIONS): Define.
10534         * config/rs6000/darwin7.h: New.
10535         * config/rs6000/darwin8.h: New.
10536         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
10537         (-mmacosx-version-min): Document.
10538
10539 2005-07-07  Ian Lance Taylor  <ian@airs.com>
10540
10541         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
10542
10543 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
10544
10545         PR middle-end/22239
10546         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
10547
10548 2005-07-07  Khem Raj  <kraj@mvista.com>
10549
10550         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
10551         in bytes, not words.
10552
10553 2005-07-07  Paul Brook  <paul@codesourcery.com>
10554
10555         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
10556         DEFAULT_FUNCTION_ARG_PADDING to upward.
10557
10558 2005-07-07  Richard Henderson  <rth@redhat.com>
10559
10560         * function.c (locate_and_pad_parm): Record parameter alignment in
10561         stack_alignment_needed.
10562
10563 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
10564
10565         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
10566         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
10567         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
10568         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
10569         (define_attr "type"): Add isync, sync, load_l, store_c.
10570         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
10571         Create scratch volatile MEM.
10572         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
10573         sync.
10574         (load_locked_<mode>): New.
10575         (store_conditional_<mode>): New.
10576         (sync_compare_and_swap<mode>): Replace with splitter.
10577         (sync_lock_test_and_set<mode>): Replace with splitter.
10578         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
10579         and UNSPECV_ISYNC.
10580         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
10581         is ics.  Attribute isync.
10582         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
10583         lwsync.
10584         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
10585         and UNSPECV_SYNC_OP.
10586         (emit_unlikely_jump): New.
10587         (emit_load_locked): New.
10588         (emit_store_conditional): New.
10589         (rs6000_split_compare_and_swap): New.
10590         (rs6000_split_lock_test_and_set): New.
10591         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
10592         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
10593         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
10594         rs6000_split_lock_test_and_set): Declare.
10595         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
10596         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
10597         store_c, isync, sync.
10598
10599 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
10600
10601         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
10602         filenames to gtyp-gen.h.
10603         (s-typ-gen): Use it in place of for loops.
10604
10605 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
10606
10607         * hooks.c (hook_bool_rtx_int_false): New function.
10608         * hooks.h (hook_bool_rtx_int_false): Declare.
10609         * target-def.h (TARGET_COMMUTATIVE_P): Define.
10610         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
10611         * target.h (struct gcc_target): Add commutative_p member.
10612         * targhooks.c (hook_bool_rtx_commutative_p): New function.
10613         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
10614         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
10615         (pa_commutative_p): New function.
10616         * jump.c (target.h): Include.
10617         (rtx_renumbered_equal_p): Use targetm.commutative_p.
10618         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
10619
10620 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10621
10622         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
10623         (s390_expand_setmem): New.
10624         * config/s390/s390.c: Likewise.
10625         (print_shift_count_operand): Truncate to 12 bits instead of 6.
10626         Adapt comments.
10627         * config/s390/s390.md: ("setmem<mode>"): Accept character as
10628         general_operand.  Call new function "s390_expand_setmem".
10629         ("clrmem_long", "*clrmem_long"): Rewrite to ...
10630         ("setmem_long", "*setmem_long"): ... this.
10631
10632 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10633
10634         * config/s390/s390.c: (optimization_options): Enable
10635         TARGET_MVCLE at -Os.
10636         * doc/invoke.texi: Document changes in default behaviour.
10637         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
10638
10639 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
10640
10641         * expr.c: (set_storage_via_setmem): Convert opchar to mode
10642         defined by back-end.
10643
10644 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
10645
10646         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
10647         all sets in the pattern.
10648         * config/rs6000/rs6000.md (stack_protect_testsi,
10649         stack_protect_testdi): Likewise.
10650
10651 2005-07-06  Jeff Law  <law@redhat.com>
10652
10653         * tree-vrp.c (simplify_using_ranges): Kill.
10654         (vrp_finalize): Remove call to simplify_using_ranges.
10655         (simplify_stmt_using_ranges): New function extracted from
10656         simplify_using_ranges.
10657         (simplify_div_or_mod_using_ranges): Likewise.
10658         (simplify_abs_using_ranges): Likewise.
10659         (simplify_cond_using_ranges): New function.
10660         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
10661         * tree-ssa-propagate.c (substitute_and_fold): Call
10662         simplify_stmt_using_ranges if we have range information.
10663
10664 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
10665
10666         * config/ia64/ia64.c (ia64_reorg): Check optimize before
10667         ia64_flag_schedule_isns2.
10668
10669         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
10670         reading/writing general registers.
10671         (ia64_function_arg): Revert 2005-06-18 change.
10672
10673 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10674
10675         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
10676         (legitimize_tls_address): Use gcc_unreachable instead of abort.
10677
10678 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
10679
10680         * function.c (expand_function_end): Revert part of 2005-06-27
10681         patch.  Do sjlj_emit_function_exit_after after return_label.
10682
10683 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10684
10685         * doc/install.texi (--disable-libssp): New.
10686
10687 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
10688
10689         * doc/invoke.texi: Update -fforce-mem documentation.
10690         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
10691         code for -fforce-mem.
10692         * expmed.c: (store_bit_field,store_fixed_bit_field,
10693         extract_bit_field): Ditto.
10694         * expr.c: (convert_move): Ditto.
10695         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
10696         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
10697         emit_conditional_add,expand_float,expand_fix): Ditto.
10698         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
10699         (common_handle_option): Issue warning when -fforce-mem specified.
10700
10701 2005-07-06  Paul Brook  <paul@codesourcery.com>
10702
10703         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
10704         argument is empty.
10705         * configure: Regenerate.
10706
10707 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
10708
10709         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
10710
10711 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
10712
10713         Fix PR tree-optimization/22319
10714         Fix PR tree-optimization/22140
10715         Fix PR tree-optimization/22310
10716
10717         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
10718         variable sized types.
10719         Use correct type for intermediate structure on *a = *b structure
10720         copies.
10721
10722 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10723
10724         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
10725         Remove.
10726         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
10727         (machine_function): Move typedef to...
10728         * config/rs6000/rs6000.c (machine_function): ... here.  Add
10729         varargs_save_offset field.
10730         (rs6000_stack_t): Remove varargs_size field.
10731         (setup_incoming_varargs): Allocate varargs save area using
10732         assign_stack_local, try to make it as small as possible.
10733         Save offset from virtual_stack_vars_rtx to the save area
10734         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
10735         instead of magic 8 when fp word byte size is used.
10736         (rs6000_va_start): Use cfun->machine->varargs_save_offset
10737         instead of -RS6000_VARARGS_SIZE.
10738         (rs6000_stack_info, debug_stack_info,
10739         rs6000_initial_elimination_offset): Remove all traces of
10740         varargs_size.
10741         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
10742         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
10743         RS6000_VARARGS_AREA.
10744
10745 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
10746
10747         PR tree-optimization/21963
10748         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
10749         constant_multiple_of in the same way get_computation_cost_at does.
10750
10751 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
10752
10753         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
10754         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
10755         (gen_compare_reg): If sparc_compare_emitted is set, clear it
10756         and return its previous value.
10757         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
10758         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
10759         constants.
10760         (stack_protect_set, stack_protect_test): New expanders.
10761         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
10762         stack_protect_testdi): New insns.
10763         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10764         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
10765
10766 2005-07-06  Jeff Law  <law@redhat.com>
10767
10768         * tree-ssa-dce.c (cfg_altered): New global.
10769         (tree_dce_init): Initialize cfg_altered.
10770         (remove_dead_stmt): If we remove an edge in the CFG, then set
10771         CFG_ALTERED.
10772         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
10773         the dominators.
10774
10775 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
10776
10777         * Makefile.in (stamp-collect-ld): Use
10778         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
10779         ./collect-ld if it already exists.
10780         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
10781         Don't remove ./nm if it already exists.
10782
10783 2005-07-05  Devang Patel  <dpatel@apple.com>
10784
10785         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
10786         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
10787         * tree-vectorizer.c (vect_loop_location): New.
10788         (vect_print_dump_info): Use vect_loop_location.
10789         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
10790         (vectorize_loops): Set vect_loop_location.
10791         * tree-vect-analyze.c (vect_analyze_offset_expr,
10792         vect_determin_vectorization_factor, vect_analyze_operations,
10793         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
10794         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
10795         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
10796         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
10797         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
10798         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
10799         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
10800         vect_analyze_loop): Adjust vect_print_dump_info API.
10801         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10802         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
10803         vect_finish_stmt_generation, vectorizable_assignment,
10804         vectorizable_operation, vectorizable_store, vectorizable_load,
10805         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
10806         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
10807         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
10808         vect_transform_loop): Same.
10809         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
10810         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
10811         Same.
10812
10813 2005-07-05  Randolph Chung  <tausq@debian.org>
10814
10815         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
10816         * configure: Regenerate.
10817         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
10818         (pa_tls_referenced_p): Declare.
10819         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
10820         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
10821         (legitimize_tls_address): New.
10822         (hppa_legitimize_address): Handle TLS addresses.
10823         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
10824         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
10825         (emit_move_sequence): Handle TLS addresses.
10826         (pa_encode_section_info): Call default handler to handle common
10827         sections.
10828         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
10829         (CONSTANT_ADDRESS_P): Reject TLS operands.
10830         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10831         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10832         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10833         (UNSPEC_TLSLE): Define new constants.
10834         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10835         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10836         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10837         (tie_symbolic_operand, tle_symbolic_operand): New
10838
10839 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
10840
10841         * aclocal.m4: Update macros for autoconf 2.59 style.
10842         * configure.ac: Likewise.
10843
10844 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10845
10846         * pa.c (function_value): Handle small aggregates on 32-bit targets.
10847         (function_arg): Pass small aggregates in general registers on 32-bit
10848         targets.
10849         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10850
10851 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
10852
10853         * Makefile.in (final.o): Fix dependencies.
10854
10855 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10856
10857         PR c/22013
10858         PR c/22098
10859         * langhooks.h (struct lang_hooks): Add expr_to_decl.
10860         * langhooks.c (lhd_expr_to_decl): New.
10861         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10862         New.
10863         (LANG_HOOKS_INITIALIZER): Update.
10864         * tree.c (recompute_tree_invarant_for_addr_expr): Call
10865         expr_to_decl langhook.
10866         * c-tree.h (c_expr_to_decl): Declare.
10867         * c-typeck.c (c_expr_to_decl): New.
10868         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10869         specially.
10870         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10871
10872 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
10873
10874         PR c/22308
10875         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10876         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10877
10878 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
10879
10880         * Makefile.in: Adjust dependencies.
10881         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10882         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10883         * alias.c (rest_of_handle_cfg, pass_cfg): New.
10884         * bb-reorder.c (duplicate_computed_gotos): Make it static.
10885         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10886         rest_of_compilation.
10887
10888         * bb-reorder.c (gate_duplicate_computed_gotos,
10889         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10890         rest_of_handle_reorder_blocks, pass_reorder_blocks,
10891         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10892         pass_partition_blocks): New.
10893         * bt-load.c (gate_handle_branch_target_load_optimize,
10894         rest_of_handle_branch_target_load_optimize,
10895         pass_branch_target_load_optimize): New.
10896         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10897         pass_jump2): New.
10898         * cfglayout.c (pass_insn_locators_initialize): New.
10899         * cfgrtl.c (pass_free_cfg): New.
10900         * combine.c (gate_handle_combine, rest_of_handle_combine,
10901         pass_combine): New.
10902         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10903         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10904         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10905         * except.c (pass_set_nothrow_function_flags,
10906         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10907         pass_rtl_eh): New.
10908         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10909         rest_of_handle_shorten_branches, pass_shorten_branches,
10910         rest_of_clean_state, pass_clean_state): New.
10911         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10912         rest_of_handle_remove_death_notes, pass_remove_death_notes,
10913         rest_of_handle_life, pass_life, rest_of_handle_flow2,
10914         pass_flow2): New.
10915         * function.c (pass_instantiate_virtual_regs, pass_init_function,
10916         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10917         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10918         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10919         pass_gcse): New.
10920         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10921         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10922         pass_rtl_ifcvt, gate_handle_if_after_combine,
10923         rest_of_handle_if_after_combine, pass_if_after_combine,
10924         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10925         pass_if_after_reload): New.
10926         * integrate.c (pass_initial_value_sets): New.
10927         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10928         pass_purge_lineno_notes): New.
10929         * mode-switching.c (rest_of_handle_mode_switching,
10930         pass_mode_switching): New.
10931         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10932         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10933         pass_loop2): New.
10934         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10935         pass_loop_optimize): New.
10936         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10937         pass_sms): New.
10938         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10939         pass_gcse2): New.
10940         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10941         pass_postreload_cse): New.
10942         * profile.c (gate_handle_profiling, pass_profiling,
10943         rest_of_handle_branch_prob, pass_branch_prob): New.
10944         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10945         pass_split_before_regstack, gate_handle_split_before_regstack,
10946         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10947         rest_of_handle_split_all_insns, pass_split_all_insns): New.
10948         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10949         pass_stack_regs): New.
10950         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10951         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10952         pass_stack_adjustments): New.
10953         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10954         pass_regrename): New.
10955         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10956         pass_delay_slots, gate_handle_machine_reorg,
10957         rest_of_handle_machine_reorg, pass_machine_reorg): New.
10958         * rtl.h (extern void purge_line_number_notes): New.
10959         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10960         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10961         pass_sched2): New.
10962         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10963         pass_tracer): New.
10964         * value-prof.c (gate_handle_value_profile_transformations,
10965         rest_of_handle_value_profile_transformations,
10966         pass_value_profile_transformations): New.
10967         * var-tracking.c (gate_handle_var_tracking,
10968         pass_variable_tracking): New.
10969         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10970
10971         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10972         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10973         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10974         rest_of_handle_old_regalloc, rest_of_handle_regrename,
10975         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10976         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10977         rest_of_handle_gcse2, rest_of_handle_regmove,
10978         rest_of_handle_tracer, rest_of_handle_if_conversion,
10979         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10980         rest_of_handle_web, rest_of_handle_branch_prob,
10981         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10982         rest_of_handle_jump_bypass, rest_of_handle_combine,
10983         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10984         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10985         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10986         rest_of_handle_mode_switching, rest_of_handle_jump,
10987         rest_of_handle_eh, rest_of_handle_stack_adjustments,
10988         rest_of_handle_flow2, rest_of_handle_jump2,
10989         rest_of_handle_peephole2, rest_of_handle_postreload,
10990         rest_of_handle_shorten_branches, rest_of_clean_state,
10991         rest_of_compilation): Remove.
10992
10993         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10994         * passes.c (dump_flags, in_gimple_form, all_passes,
10995         all_ipa_passes, all_lowering_passes, register_one_dump_file,
10996         register_dump_files, next_pass_1, last_verified, execute_todo,
10997         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10998         from tree-optimize.c.
10999         (init_optimization_passes): Moved from tree-optimize.c,
11000         adding the RTL optimizations.
11001         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
11002         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
11003         all_ipa_passes, all_lowering_passes, register_one_dump_file,
11004         register_dump_files, next_pass_1, last_verified, execute_todo,
11005         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
11006         init_tree_optimization_passes, ipa_passes): Delete.
11007         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
11008         the RTL dumps.
11009         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
11010         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
11011         from tree.h.
11012         (ipa_passes): Remove.
11013         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
11014         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
11015         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
11016         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
11017         (dump_info_p, dump_flag): Moved to tree-dump.h.
11018
11019         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
11020         cgraph.c, opts.c.
11021         * passes.c (finish_optimization_passes): Use dump_begin
11022         and dump_end, TDI_end.
11023         (gate_rest_of_compilation): New.
11024         (pass_rest_of_compilation): Use it.
11025         (gate_postreload, pass_postreload): New.
11026         * toplev.c (general_init): Rename init_tree_optimization_passes.
11027         * toplev.h (init_tree_optimization_passes): Rename to
11028         init_optimizations_passes.
11029         * tree-dump.c (dump_flag): Make static.
11030         (dump_files): Remove RTL dumps.
11031         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
11032         pass_cleanup_cfg, pass_free_cfg_annotations,
11033         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
11034         pass_init_datastructures, pass_fixup_cfg): Make non-static.
11035         * tree-pretty-print.c: Include tree-pass.h.
11036         * cgraph.c: Include tree-dump.h.
11037
11038 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11039
11040         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
11041         Only fall back to saying it points to readonly memory if
11042         we can't do better.
11043
11044 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
11045
11046         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
11047         * config/m32r/m32r.c (m32r_compute_frame_size,
11048         m32r_expand_prologue): Take current_function_profile into
11049         account whenever we reference
11050         current_function_uses_pic_offset_table.
11051         (m32r_finalize_pic): Remove.
11052         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
11053
11054 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
11055
11056         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
11057         instead of $<.  Don't remove ./as if it already exists.
11058
11059 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11060
11061         PR target/21723
11062         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
11063         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
11064         for complex modes when generating code for PA 1.0.
11065         (VALID_FP_MODE_P): New macro.
11066         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11067         sets for all general and floating point modes.  Align wide floating
11068         point modes to even register boundaries to comply with architectural
11069         requirements.
11070         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
11071         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
11072         (VALID_FP_MODE_P): New macro.
11073         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
11074         sets for all general and floating point modes.  Align wide floating
11075         point modes to even register boundaries to comply with architectural
11076         requirements.
11077
11078 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11079
11080         * tree-dump.c (dump_files): Initialize dump number for .cgraph
11081         to 0.
11082
11083 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11084
11085         * tree-ssa-structalias.c: Don't include expr.h.
11086
11087 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
11088
11089         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
11090         comments.
11091
11092 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
11093
11094         Fix PR tree-optimization/22279
11095
11096         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
11097         correct operator.
11098
11099 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
11100
11101         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
11102
11103 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11104
11105         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
11106         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
11107         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
11108         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
11109         config/stormy16/stormy16.c, config/v850/v850.c,
11110         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
11111         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
11112         Avoid "." or "\n" at end of diagnostics and capital letters at
11113         start of diagnostics.
11114         * combine.c, cse.c: Don't translate dump file output.
11115         * toplev.c (print_version): Only translate output if going to
11116         stderr.
11117
11118 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11119
11120         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
11121         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
11122         typos.
11123
11124 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11125
11126         * pa.c (fix_range): Fix typo in comment.
11127
11128 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
11129
11130         * tree-vrp.c (extract_range_from_assert): Replace
11131         fold (build (...)) with fold_build2.
11132
11133 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11134
11135         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
11136         gcc_gfc_char_table, init_dynamic_gfc_info): New.
11137         (format_types_orig, handle_format_attribute): Add support for
11138         format "gcc_gfc".
11139
11140 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11141
11142         * varasm.c (assemble_variable): Fix format specifier thinko.
11143
11144 2005-07-03  Ira Rosen  <irar@il.ibm.com>
11145
11146         PR tree-optimization/22029 (and 22135)
11147         * tree-pretty-print.c (dump_generic_node): Check that the node is not
11148         a phi node before calling dump_vops.
11149
11150 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11151
11152         * tree-dump.h (dump_string_field): Declare.
11153         * tree-dump.c: Use it instead of dump_string.
11154         (dump_string_field): Make non-static.
11155
11156 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11157
11158         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
11159         up the minimal CFG stuff always when optimize > 0.  Call
11160         split_all_insns_noflow in PIC case if needed.
11161
11162 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
11163             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
11164
11165         PR c++/18279
11166         * c-decl.c (c_write_global_declarations): Dump contents of
11167         external scope to.
11168         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
11169         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
11170         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
11171         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
11172         is enabled.
11173
11174 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
11175
11176         * c-common.h (GCC_DIAG_STYLE): Define.
11177         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
11178         version for format checking to 4.1.
11179         * c-format.c: Include toplev.h after c-common.h.
11180         (enum format_type): Add gcc_tdiag_format_type.
11181         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
11182         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
11183         (format_types_orig): Add gcc_tdiag.
11184         (init_dynamic_diag_info): Support gcc_tdiag formats.
11185         (handle_format_attribute): Likewise.
11186         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
11187         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
11188         version for format checking to 4.1.
11189         (warning0, warning, error, pedwarn, sorry): Use
11190         ATTRIBUTE_GCC_DIAG.
11191         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
11192         (finish_aliases_1): Do not use %qE.
11193         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
11194         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
11195         Correct format bugs.
11196         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
11197         parameter to unsigned HOST_WIDE_INT.
11198         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
11199
11200 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
11201
11202         PR middle-end/21742
11203         * expr.c (write_complex_part): Use adjust_address for MEM.
11204         (read_complex_part): Same.
11205
11206 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
11207
11208         Fix PR tree-optimization/22280
11209
11210         * tree-sra.c (generate_element_init): Remove useless loop.
11211
11212 2005-07-02  Richard Henderson  <rth@redhat.com>
11213
11214         * config/alpha/alpha.c (alpha_legitimize_address): Check for
11215         TLS_MODEL_NONE.
11216         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
11217
11218 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
11219
11220         PR middle-end/14490
11221         * fold-const.c (fold_binary): Handle the return value of
11222         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
11223         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
11224
11225 2005-07-02  Jeff Law  <law@redhat.com>
11226
11227         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
11228         a eliminate type conversion which feeds an equality comparison
11229         if the original type or either operand in the comparison is a
11230         function pointer.
11231
11232 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
11233
11234         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
11235         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
11236         texts.
11237         * config/avr/avr.c: Do not use '`' as left quote.
11238         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
11239         Remove "." from end of diagnostics.  Make diagnostics start with
11240         lowercase letter.
11241
11242 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
11243             Joseph S. Myers  <joseph@codesourcery.com>
11244
11245         * toplev.c (default_tree_printer): Handle setting location with
11246         '+' flag.
11247         * c-objc.common.c (c_tree_printer): Likewise.
11248         * c-format.c (gcc_diag_flag_specs): Add '+'.
11249         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
11250         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
11251         formats.
11252         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
11253         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
11254         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
11255         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
11256         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
11257         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
11258         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
11259         format arguments where %J is used without %D.
11260
11261 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
11262
11263         * gcc.c (LINK_SSP_SPEC): Define.
11264         (link_ssp_spec): New variable.
11265         (LINK_COMMAND_SPEC): Add %(link_ssp).
11266         (static_specs): Add link_ssp_spec.
11267         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
11268         * configure: Rebuilt.
11269         * config.in: Rebuilt.
11270
11271         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
11272         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11273         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11274         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
11275         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
11276         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
11277         -0x7008(2) instead of reading __stack_chk_guard variable.
11278         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
11279         number.
11280         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
11281         (stack_protect_set, stack_protect_test): Use *_tls* patterns
11282         if TARGET_THREAD_SSP_OFFSET is defined.
11283         (stack_tls_protect_set_si, stack_tls_protect_set_di,
11284         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
11285
11286         Revert:
11287         2005-06-27  Richard Henderson  <rth@redhat.com>
11288         * libgcc-std.ver (GCC_4.1.0): New.
11289         * libgcc.h (__stack_chk_guard): Declare.
11290         (__stack_chk_fail, __stack_chk_fail_local): Declare.
11291         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
11292         * mklibgcc.in (lib2funcs): Add them.
11293
11294 2005-07-01  Richard Henderson  <rth@redhat.com>
11295
11296         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
11297         void * before struct sigcontext *.
11298         (x86_fallback_frame_state): Likewise.
11299
11300 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
11301
11302         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
11303
11304 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11305
11306         PR tree-opt/22269
11307         * tree-ssa-reassoc.c (should_transpose): Fix which operand
11308         we check for SSA_NAME for.
11309
11310 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
11311
11312         Fix PR tree-optimization/22071
11313
11314         * tree-ssa-structalias.c (offset_overlaps_with_access): New
11315         function.
11316         (get_constraint_for_component_ref): Use it.
11317
11318 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
11319
11320         PR other/22264
11321         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
11322         print out the last new line.
11323
11324 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
11325
11326         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
11327         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
11328         * config/cris/cris.c (cris_conditional_register_usage): Adjust
11329         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
11330         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
11331         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
11332         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
11333         (enum reg_class): New member CC0_REGS.
11334         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
11335         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
11336         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
11337         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
11338         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
11339         Adjust for register now described.
11340
11341 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
11342
11343         PR target/22262
11344         * config/i386/i386.md (stack_protect_test_si,
11345         stack_protect_test_di): Add earlyclobber for scratch 3.
11346         * config/rs6000/rs6000.md (stack_protect_testsi,
11347         stack_protect_testdi): Add earlyclobber for scratch 3,
11348         remove earlyclobber from scratch 4.
11349
11350 Older entries for 2005 can be found in ChangeLog-2005.