gcc/ChangeLog

   1 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
   2
   3         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
   4         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
   5         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
   6         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
   7         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
   8         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
   9         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
  10         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
  11         config/alpha/x-vms, config/arc/t-arc,
  12         config/arm/README-interworking, config/arm/arm-c.c,
  13         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
  14         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
  15         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
  16         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
  17         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
  18         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
  19         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
  20         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
  21         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
  22         config/cris/t-elfmulti, config/crx/t-crx,
  23         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
  24         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
  25         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
  26         config/h8300/t-h8300, config/i386/athlon.md,
  27         config/i386/darwin-libgcc.10.4.ver,
  28         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
  29         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
  30         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
  31         config/i386/t-linux64, config/i386/t-nwld,
  32         config/i386/t-rtems-i386, config/i386/t-sol2-10,
  33         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
  34         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
  35         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
  36         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
  37         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
  38         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
  39         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
  40         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
  41         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
  42         config/m68k/t-uclinux, config/mcore/t-mcore,
  43         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
  44         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
  45         config/mips/crtn.asm, config/mips/irix-crti.asm,
  46         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
  47         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
  48         config/mips/mips-fixed.md, config/mips/sb1.md,
  49         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
  50         config/mips/t-iris6, config/mips/t-isa3264,
  51         config/mips/t-libgcc-mips16, config/mips/t-linux64,
  52         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
  53         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
  54         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
  55         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
  56         config/mn10300/t-linux, config/mn10300/t-mn10300,
  57         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
  58         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
  59         config/picochip/libgccExtras/clzsi2.asm,
  60         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
  61         config/rs6000/darwin-libgcc.10.4.ver,
  62         config/rs6000/darwin-libgcc.10.5.ver,
  63         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
  64         config/rs6000/t-aix43, config/rs6000/t-aix52,
  65         config/rs6000/t-darwin, config/rs6000/t-fprules,
  66         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
  67         config/rs6000/t-lynx, config/rs6000/t-netbsd,
  68         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
  69         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
  70         config/rs6000/t-rtems, config/rs6000/t-spe,
  71         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
  72         config/score/t-score-elf, config/sh/divcost-analysis,
  73         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
  74         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
  75         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
  76         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
  77         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
  78         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
  79         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
  80         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
  81         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
  82         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
  83         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
  84         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
  85         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
  86         limitx.h, version.c, xcoff.h: Add copyright and license notices.
  87         * config/h8300/genmova.sh: Include copyright and license notices
  88         in generated output.
  89         * config/h8300/mova.md: Regenerate.
  90         * doc/install.texi2html: Include word "Copyright" in copyright
  91         notice and use name "Free Software Foundation, Inc.".
  92         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
  93         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
  94         ChangeLog-2007, ChangeLog-2008: Correct dates.
  95
  96 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
  97
  98         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
  99         NE_EXPR operations as well.
 100         * c-parser.c (c_parser_condition): Do not set location information on
 101         the condition.
 102         (c_parser_conditional_expression): Likewise.
 103         (c_parser_binary_expression): Set location information on operators.
 104         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
 105         TRUTH_NOT_EXPR has been folded.
 106         * fold-const.c (fold_truth_not_expr): Copy location information from
 107         the incoming expression to the outgoing one.
 108         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
 109         recursive calls on the LHS of the operator but pass that of the
 110         operator to recursive calls on the RHS of the operator.  Set it
 111         on the COND_EXPR.
 112         (shortcut_cond_expr): Set the locus of the operator on the second
 113         COND_EXPR and that of the expression on the first in degenerate cases.
 114         Pass the locus of the expression to calls to shortcut_cond_r.
 115         Set the locus of the 'then' block on the associated jump, if any.
 116         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
 117         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
 118         expression to call to gimplify_boolean_expr.
 119
 120 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
 121
 122         * config.gcc: Add additional configuration for
 123         i686-w64-mingw* and x86_64-w64-mingw* triplet.
 124         * config/i386/mingw-w64.h: New mingw-w64 specific header.
 125         (CPP_SPEC): Redefine for allowing -municode option.
 126         (STARTFILE_SPEC): Likewise.
 127         * config/i386/t-mingw-w64: New.
 128         * config/i386/mingw-w64.opt: New.
 129         (municode): Add new target option.
 130         * doc/invoke.texi (municode): Add documentation for new option.
 131
 132 2009-04-21  Ian Lance Taylor  <iant@google.com>
 133
 134         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 135         Correct test for number of arguments.
 136         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
 137
 138 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
 139
 140         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
 141         argument of emit_library_call.
 142
 143 2009-04-21  Richard Guenther  <rguenther@suse.de>
 144
 145         PR middle-end/39829
 146         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
 147         inside VIEW_CONVERT_EXPRs.
 148
 149 2009-04-21  Martin Jambor  <mjambor@suse.cz>
 150
 151         * tree-switch-conversion.c (build_constructors): Split a long line.
 152         (constructor_contains_same_values_p): New function.
 153         (build_one_array): Create assigns of constants if possible, do not call
 154         mark_sym_for_renaming, call update_stmt.
 155         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
 156         make_rename_temp.  Do not call mark_symbols_for_renaming, call
 157         update_stmt.
 158         (gen_def_assigns): Do not call mark_symbols_for_renaming or
 159         find_new_referenced_vars, call update_stmt.
 160         (gen_inbound_check): Use create_tmp_var and create ssa names manually
 161         instead of calling make_rename_temp.  Do not call
 162         find_new_referenced_vars or mark_symbols_for_renaming, call
 163         update_stmt.
 164
 165 2009-04-21  Richard Guenther  <rguenther@suse.de>
 166
 167         PR tree-optimization/39827
 168         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME
 169         is in range.
 170         (tree_ssa_phiprop): Pass the correct array size.
 171
 172 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
 173
 174         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
 175
 176 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 177
 178         PR 16202
 179         * c-typeck.c (lvalue_p): Move declaration ...
 180         * c-common.h (lvalue_p): ... to here.
 181         * c-common.c (candidate_equal_p): New.
 182         (add_tlist): Use it.
 183         (merge_tlist): Use it.
 184         (warn_for_collisions_1): Likewise.
 185         (warning_candidate_p): Accept more candidates.
 186         (verify_tree): A warning candidate can be an expression. Use
 187         candidate_equal_p.
 188
 189 2009-04-21  Ben Elliston  <bje@au.ibm.com>
 190
 191         PR target/5267
 192         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
 193         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
 194         options.  Remove -mcall-solaris documentation.
 195
 196 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 197
 198         PR c++/13358
 199         * doc/invoke.texi (-Wlong-long): Update description.
 200         * c-lex (interpret_integer): Only warn if there was no previous
 201         overflow and -Wlong-long is enabled.
 202         * c-decl.c (declspecs_add_type): Drop redundant flags.
 203         * c.opt (Wlong-long): Init to -1.
 204         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
 205         and front-end warn_long_long. Wlong-long only depends on other
 206         flags if it is uninitialized.
 207         * c-parser.c (disable_extension_diagnostics): warn_long_long is
 208         the same for CPP and FE.
 209         (restore_extension_diagnostics): Likewise.
 210
 211 2009-04-20  Ian Lance Taylor  <iant@google.com>
 212
 213         Fix enum conversions which are invalid in C++:
 214         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
 215         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
 216         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
 217         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
 218         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
 219         (dbxout_parms): Likewise.
 220         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
 221         (df_clear_flags): Likewise.
 222         * df-problems.c (df_rd_bb_local_compute_process_def): Change
 223         top_flag parameter to int.
 224         (df_chain_create_bb_process_use): Likewise.
 225         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
 226         Remove cast.
 227         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
 228         (df_ref_create_structure, df_def_record_1): Likewise.
 229         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
 230         (df_notes_rescan): Change 0 to VOIDmode in function call.
 231         (df_get_call_refs, df_insn_refs_collect): Likewise.
 232         (df_bb_regs_collect): Likewise.
 233         (df_entry_block_defs_collect): Likewise.
 234         (df_exit_block_uses_collect): Likewise.
 235         * df.h: Update declarations.
 236         * double-int.c (double_int_divmod): Add cast to enum type.
 237         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
 238         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
 239         (based_loc_descr): Likewise.
 240         (loc_descriptor_from_tree_1): Change first_op and second_op to
 241         enum dwarf_location_atom.  Add cast to enum type.
 242         * expmed.c (init_expmed): Change 0 to SET in function call.
 243         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
 244         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
 245         (do_store_flag): Likewise.
 246         * fixed-value.h (struct fixed_value): Change mode to enum
 247         machine_mode.
 248         * function.c (assign_parms): Change 0 to VOIDmode in function call.
 249         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
 250         function call.
 251         (insert_insn_decl, insert_decl, insert_state): Likewise.
 252         (automata_list_finish): Likewise.
 253         * genrecog.c (process_define_predicate): Add cast to enum type.
 254         * gensupport.c (init_predicate_table): Add cast to enum type.
 255         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
 256         function call.
 257         (gimple_build_call_1, gimple_build_label): Likewise.
 258         (gimple_build_goto, gimple_build_asm_1): Likewise.
 259         (gimple_build_switch_1, gimple_build_cdt): Likewise.
 260         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
 261         (enum fallback): Rename from enum fallback_t.
 262         (fallback_t): Typedef as int.
 263         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
 264         GSI_SAME_STMT in function call.
 265         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
 266         enum type.
 267         (setup_reg_class_relations): Likewise.
 268         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
 269         (setup_prohibited_class_mode_regs): Add cast to enum type.
 270         (setup_prohibited_mode_move_regs): Likewise.
 271         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
 272         (record_address_regs): Change i to enum reg_class.
 273         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
 274         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
 275         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
 276         (GET_MODE_2XWIDER_MODE): Likewise.
 277         (GET_CLASS_NARROWEST_MODE): Likewise.
 278         * omp-low.c (expand_omp_for): Add cast to enum type.
 279         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
 280         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
 281         * postreload.c (reload_cse_simplify_operands): Change rclass local
 282         to enum reg_class.
 283         * predict.c (combine_predictions_for_insn): Change best_predictor
 284         and predictor to enum br_predictor.
 285         (combine_predictions_for_bb): Likewise.
 286         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
 287         use SET_PREDICT_EXPR_OUTCOME.
 288         * real.c (real_arithmetic): Change icode to code in function call.
 289         * reginfo.c (init_move_cost): Add casts to enum type.
 290         (init_reg_sets_1, init_fake_stack_mems): Likewise.
 291         * regmove.c (regclass_compatible_p): Change class0 and class1 to
 292         enum reg_class.
 293         * reload.c (find_valid_class): Add casts to enum type.
 294         (push_reload): Change 0 to NO_REGS in function call.
 295         (find_reloads): Change this_alternative to array of enum
 296         reg_class.  Remove some now-unnecessary casts.
 297         (make_memloc): Change 0 to VOIDmode in function call.
 298         * reload1.c (reload): Change 0 to VOIDmode in function call.
 299         (eliminate_regs_1, elimination_effects): Likewise.
 300         (eliminate_regs_in_insn): Likewise.
 301         (emit_input_reload_insns): Add cast to enum type.
 302         (delete_output_reload): Change 0 to VOIDmode in function call.
 303         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
 304         to enum type in function call.
 305         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
 306         (SET_PREDICT_EXPR_OUTCOME): Define.
 307         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
 308         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
 309         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
 310         (dump_function): Likewise.
 311         * tree-dump.h: Update declarations.
 312         * tree-pass.h: Update declarations.
 313         * varasm.c (assemble_integer): Change mclass to enum mode_class.
 314         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
 315         enum type.
 316         (arm_rtx_costs_1): Correct parenthesization.
 317         (arm_rtx_costs): Add casts to enum type.
 318         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
 319         (vfp_emit_fstmd): Use add_rg_note.
 320         (emit_multi_reg_push, emit_sfm): Likewise.
 321         (thumb_set_frame_pointer): Likewise.
 322         (arm_expand_prologue): Likewise.
 323         (arm_regno_class): Change return type to enum reg_class.
 324         (thumb1_expand_prologue): Use add_reg_note.
 325         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
 326         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
 327         in function call.
 328         * config/arm/gentune.sh: Add cast to enum type.
 329         * config/arm/arm-tune.md: Rebuild.
 330         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
 331         (ix86_split_fp_branch, predict_jump): Likewise.
 332         (ix86_expand_multi_arg_builtin): Change sub_code from enum
 333         insn_code to enum rtx_code.
 334         (ix86_builtin_vectorized_function): Add cast to enum type.
 335         * config/i386/i386.md (truncdfsf2): Change slot to enum
 336         ix86_stack_slot.
 337         (truncxf<mode>2, isinf<mode>2): Likewise.
 338         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
 339         enum type.
 340         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
 341         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
 342         (insert_bundle_state): Change 1 to INSERT in function call.
 343         (ia64_add_bundle_selector_before): Likewise.
 344         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
 345         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
 346         (restore_stack_nonlocal): Likewise.
 347         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
 348         function call.
 349         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
 350         function call.
 351         (mips_rtx_costs): Likewise.
 352         (mips_override_options): Add casts to enum type.
 353         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
 354         in function call.
 355         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
 356         (store_reg, set_reg_plus_d): Likewise.
 357         (hppa_expand_prologue, hppa_profile_hook): Likewise.
 358         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
 359         cast to enum type.
 360         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
 361         function call.
 362         (emit_unlikely_jump): Use add_reg_note.
 363         (rs6000_emit_allocate_stack): Likewise.
 364         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
 365         (output_toc): Change 1 to INSERT in function call.
 366         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
 367         (rs6000_initialize_trampoline): Likewise.
 368         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
 369         function call.
 370         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
 371         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
 372         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
 373         (save_gprs): Use add_reg_note.
 374         (s390_emit_prologue): Likewise.
 375         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
 376         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
 377         (sparc_fold_builtin): Add cast to enum type.
 378         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
 379         enum insn_code.
 380         (spu_expand_prologue): Use add_reg_note.
 381         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
 382
 383 2009-04-20  Ian Lance Taylor  <iant@google.com>
 384
 385         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
 386         (c_parser_postfix_expression_after_primary): Get VEC for list of
 387         arguments.  Get original types of arguments.  Call
 388         build_function_call_vec.
 389         (cached_expr_list_1, cached_expr_list_2): New static variables.
 390         (c_parser_expr_list): Change return type to VEC *.  Add
 391         p_orig_types parameter.  Change all callers.
 392         (c_parser_release_expr): New static function.
 393         (c_parser_vec_to_tree_list): New static function.
 394         * c-typeck.c (build_function_call): Rewrite to build a VEC and
 395         call build_function_call_vec.
 396         (build_function_call_vec): New function, based on old
 397         build_function_call.
 398         (convert_arguments): Remove nargs and argarray parameters.  Change
 399         values to a VEC.  Add origtypes parameter.
 400         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
 401         (convert_for_assignment): Add origtype parameter.  Change all
 402         callers.  If warn_cxx_compat, check for conversion to an enum
 403         type when calling a function.
 404         (store_init_value): Add origtype parameter.  Change all callers.
 405         (digest_init): Likewise.
 406         (struct init_node): Add origtype field.
 407         (add_pending_init): Add origtype parameter.  Change all callers.
 408         (output_init_element): Likewise.
 409         (output_pending_init_elements): Pass origtype from init_node to
 410         output_init_element.
 411         (process_init_element): Pass origtype from c_expr to
 412         output_init_element.
 413         (c_finish_return): Add origtype parameter.  Change all callers.
 414         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
 415         caller.
 416         (sync_resolve_params): Likewise.
 417         (sync_resolve_return): Change params to first_param.  Change caller.
 418         (resolve_overloaded_builtins): Change params to VEC *.  Change
 419         callers.  Save first parameter around call to build_function_call_vec.
 420         * c-decl.c (finish_decl): Add origtype parameter.  Change all
 421         callers.  Call build_function_call_vec rather than
 422         build_function_call for cleanup.
 423         * c-tree.h: Update declarations.
 424         * c-common.h: Update declarations.
 425         * stub-objc.c (objc_rewrite_function_call): Change parameter from
 426         params to first_param.
 427         * target.h (struct gcc_target): Change resolve_overloaded_builtin
 428         params parameter from tree to void *.
 429         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 430         Change arglist parameter to have type void *, and to be a pointer
 431         to a VEC.
 432         * config/rs6000/rs6000-protos.h
 433         (altivec_resolve_overloaded_builtin): Update declaration.
 434         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
 435         fnargs parameter to have type void *, and to be a pointer to a
 436         VEC.  Call build_function_call_vec instead of
 437         build_function_call.
 438         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
 439
 440 2009-04-20  Joey Ye  <joey.ye@intel.com>
 441             Xuepeng Guo <xuepeng.guo@intel.com>
 442             H.J. Lu  <hongjiu.lu@intel.com>
 443
 444         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
 445
 446         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
 447         (IX86_LEA_PRIORITY): Likewise.
 448         (distance_non_agu_define): New function.
 449         (distance_agu_use): Likewise.
 450         (ix86_lea_for_add_ok): Likewise.
 451         (ix86_dep_by_shift_count): Likewise.
 452
 453         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
 454         should split for LEA.
 455
 456         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
 457         function.
 458         (ix86_dep_by_shift_count): Likewise.
 459
 460 2009-04-20  Richard Guenther  <rguenther@suse.de>
 461
 462         * expr.c (handled_component_p): Move ...
 463         * tree.h (handled_component_p): ... here.
 464         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
 465         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
 466         and REALPART_EXPR to be in one group.
 467
 468 2009-04-20  Richard Guenther  <rguenther@suse.de>
 469
 470         * basic-block.h (get_all_dominated_blocks): Declare.
 471         * dominance.c (get_all_dominated_blocks): New function.
 472         * tree-cfg.c (get_all_dominated_blocks): Remove.
 473         (remove_edge_and_dominated_blocks): Adjust.
 474         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
 475         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
 476         instead of recursing.
 477
 478 2009-04-20  Doug Kwan  <dougkwan@google.com>
 479
 480         * cgraph.h (cgraph_node_ptr): New type for vector functions.
 481         (struct cgraph_node_set_def): New type.
 482         (cgraph_node_set) New type. Also declare vector functions.
 483         (struct cgraph_node_set_element_def): New type.
 484         (cgraph_node_set_element): Ditto.
 485         (cgraph_node_set_iterator): New iterator type.
 486         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
 487         cgraph_node_set_remove, dump_cgraph_node_set,
 488         debug_cgraph_node_set): New prototypes.
 489         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
 490         cgraph_node_set_size): New inlines.
 491         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
 492         including cgraph.h.
 493         (struct ipa_opt_pass): Add struct cgraph_node_set_def
 494         argument to function 'write_summary'.
 495         * ipa.c: Include ggc.h.
 496         (hash_cgraph_node_set_element,
 497         eq_cgraph_node_set_element, cgraph_node_set_new,
 498         cgraph_node_set_add, cgraph_node_set_remove,
 499         cgraph_node_set_find, dump_cgraph_node_set,
 500         debug_cgraph_node_set): New functions.
 501         * Makefile.in (ipa.o): Add dependency on GGC_H.
 502
 503 2009-04-20  Ira Rosen  <irar@il.ibm.com>
 504
 505         PR tree-optimization/39675
 506         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
 507         check of the return code of vect_schedule_slp. Check that
 508         stmt_vec_info still exists for the statement, before checking its
 509         vectorization type.
 510
 511 2009-04-20  Michael Matz  <matz@suse.de>
 512
 513         * Makefile.in (generated_files): Take out $(simple_generated_c).
 514
 515 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
 516
 517         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
 518         (UINTPTR_TYPE):  Likewise.
 519
 520 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 521
 522         PR c/37481
 523         * c-typeck.c (digest_init): Check for initializing an array with a
 524         string literal.
 525
 526 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 527
 528         PR c/19771
 529         * c-semantics.c (pop_stmt_list): Propagate
 530         STATEMENT_LIST_HAS_LABEL to parent statement list.
 531
 532 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
 533
 534         * config/mips/mips.h (mips_tune_attr): New macro.
 535         * config/mips/mips.md (cpu): Use it.
 536
 537 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 538
 539         PR c/38243
 540         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
 541         declaring a tag.
 542
 543 2009-04-19  Diego Novillo  <dnovillo@google.com>
 544
 545         * toplev.c (compile_file): Move call to coverage_finish ...
 546         * cgraphunit.c (ipa_passes): ... here.
 547         Call cgraph_process_new_functions.
 548         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
 549         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
 550
 551 2009-04-19  Jan Hubicka  <jh@suse.cz>
 552
 553         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
 554         cfun.
 555         (dump_cgraph_node): Dump can throw external flag.
 556         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
 557
 558 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 559
 560         PR c/32061
 561         PR c++/36954
 562         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
 563         * common.opt (Wlogical-op): Move from here...
 564         * c.opt (Wlogical-op): ... to here.
 565         * c-typeck.c (parser_build_binary_op): Update call to
 566         warn_logical_operator.
 567         * c-opts.c (c_common_post_options): Enable warn_logical_op with
 568         extra_warnings.
 569         * c-common.c (warn_logical_op): Update.
 570         * c-common.h (warn_logical_op): Update declaration.
 571
 572 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
 573
 574         * tree.c (protected_set_expr_location): Fix formatting.
 575
 576 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 577
 578         PR c/27676
 579         * c-typeck.c (readonly_warning): new.
 580         (build_unary_op, build_modify_expr): Use readonly_warning for
 581         storing into something readonly but not const-qualified.
 582
 583 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 584
 585         PR c/22367
 586         * c-typeck.c (build_unary_op): Check for taking address of
 587         expression of type void.
 588
 589 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 590
 591         PR c/35210
 592         * c-typeck.c (build_function_call): Check for calling a function
 593         with qualified void return types.  Call require_complete_type when
 594         generating a trap.
 595
 596 2009-04-18  Jan Hubicka  <jh@suse.cz>
 597
 598         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
 599         Set nothrow flag.
 600         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
 601         can_throw_external flag.
 602         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
 603         * ipa-pure-const.c (ignore_edge): New function.
 604         (propagate): Compute order for NOTHROW computation; set NOTHROWs
 605         only over can_throw_external edges.
 606         (local_pure_const): Add nothrow flag.
 607         * ipa-utils.c (searchc): Add ignore_edge callback.
 608         (ipa_utils_reduced_inorder): Add ignore_edge callback.
 609         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
 610         (set_nothrow_function_flags): Update cgraph.
 611         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
 612
 613 2009-04-18  Richard Guenther  <rguenther@suse.de>
 614
 615         PR middle-end/39804
 616         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
 617         (fold_stmt): ... this and ...
 618         (fold_stmt_inplace): ... this.
 619         (fold_stmt_1): Fold references in calls and asms.
 620         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
 621
 622 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 623
 624         * tree-vrp.c (ssa_name_nonzero_p): Remove.
 625         * tree.h: Remove the prototype for ssa_name_nonzero_p.
 626
 627 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 628
 629         * tree.c (function_args_count): Remove.
 630         * tree.h: Remove the prototype for function_args_count.
 631
 632 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 633
 634         * tree-iterator.c (expr_only): Remove.
 635         * tree.h: Remove the prototype for expr_only.
 636
 637 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 638
 639         * reginfo.c (cannot_change_mode_set_regs): Remove.
 640         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
 641
 642 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
 643
 644         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
 645         whether operands 0 and 1 overlaps.
 646
 647 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 648
 649         PR middle-end/36902
 650         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
 651         pointer. Use warning_at instead of warning.
 652         (search_for_addr_array): Likewise.
 653         (check_array_bounds): Likewise.
 654         (check_all_array_refs): Check that the incoming edge is not in the
 655         list of edges to be removed.
 656         (check_all_array_refs): Avoid the temporal pointer.
 657         (vrp_visit_cond_stmt): Fix typo.
 658         (simplify_switch_using_ranges): Handle the case where the switch
 659         index is an integer constant.
 660
 661 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
 662
 663         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
 664
 665 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 666
 667         * doc/extend.texi, doc/invoke.texi: Fix typos.
 668
 669 2009-04-17  Cary Coutant  <ccoutant@google.com>
 670
 671         * tree-flow-inline.h (get_lineno): Fix inverted test.
 672
 673 2009-04-17  Diego Novillo  <dnovillo@google.com>
 674
 675         * tree-ssa-pre.c (create_expression_by_pieces): Remove
 676         assertion for AVAIL_OUT.
 677
 678 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
 679
 680         PR target/38627
 681         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
 682         * config/sh/linux-atomic.asm: Likewise.
 683
 684 2009-04-17  Diego Novillo  <dnovillo@google.com>
 685
 686         * except.c (debug_eh_tree): New.
 687         (struct eh_region, struct eh_status): Move ...
 688         * except.h: ... here.
 689         (add_type_for_runtime): Declare extern.
 690         (lookup_type_for_runtime): Likewise.
 691         (debug_eh_tree): Declare.
 692         * Makefile.in (GTFILES): List except.h before except.c
 693
 694 2009-04-17  Diego Novillo  <dnovillo@google.com>
 695
 696         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
 697         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
 698         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
 699         (find_vars_r): ... here.
 700         * tree-flow.h (find_referenced_vars_in): Declare.
 701         * tree-ssa-pre.c (create_expression_by_pieces): Assert
 702         that AVAIL_OUT exists for BLOCK.
 703         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
 704         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
 705         (tree-parloops.o): Likewise.
 706
 707 2009-04-17  Simon Baldwin  <simonb@google.com>
 708
 709         * toplev.c (default_tree_printer): Add handling for %E format.
 710
 711 2009-04-17  Diego Novillo  <dnovillo@google.com>
 712
 713         * tree-pretty-print.c (dump_generic_node): Add break after
 714         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
 715         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
 716         FUNCTION_TYPE together.  Call print_struct_decl when printing
 717         structures and TDF_SLIM is not given.
 718         (print_struct_decl): Fix logic for detecting recursion.
 719
 720 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
 721
 722         PR 31567
 723         * gcc.c (create_at_file): New.
 724         (compile_input_file_p): New.
 725         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
 726         * main.c (main): Update call to toplev_main.
 727         * toplev.c (toplev_main): Change signature. Call expandargv.
 728         * toplev.h (toplev_main): Change signature.
 729
 730 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
 731
 732         * dwarf2out.c (field_byte_offset): Use the type size as the field size
 733         if the latter is not constant.
 734
 735 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
 736
 737         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
 738
 739 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
 740
 741         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
 742         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
 743
 744 2009-04-17  Richard Guenther  <rguenther@suse.de>
 745
 746         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 747         Handle component references view-converting an invariant address.
 748
 749 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
 750
 751         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
 752         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
 753         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
 754         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
 755         Use @deftypevr rather than @deftypevar.
 756
 757 2009-04-17  Richard Guenther  <rguenther@suse.de>
 758
 759         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
 760         (get_prop_source_stmt): Likewise.
 761         (can_propagate_from): Likewise.
 762
 763 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
 764
 765         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
 766         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
 767         (--with-multilib-list): Add default value.
 768         * configure: Regenerate.
 769         * Makefile.in (TM_ENDIAN_CONFIG): Define.
 770         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
 771         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
 772         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
 773         Don't add default cpu to multilib list unnecessarily, but do enable
 774         the relevant compiler option..
 775         Add support for --with-multilib-list=<blank> and
 776         --with-multilib-list=!<somelib> to supress unwanted multilibs.
 777         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
 778         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
 779         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
 780         TM_MULTILIB_CONFIG.
 781         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
 782         (MULTILIB_OSDIRNAMES): New variable.
 783         * config/sh/t-1e: Delete file.
 784         * config/sh/t-mlib-sh1: Delete file.
 785         * config/sh/t-mlib-sh2: Delete file.
 786         * config/sh/t-mlib-sh2a: Delete file.
 787         * config/sh/t-mlib-sh2a-nofpu: Delete file.
 788         * config/sh/t-mlib-sh2a-single: Delete file.
 789         * config/sh/t-mlib-sh2a-single-only: Delete file.
 790         * config/sh/t-mlib-sh2e: Delete file.
 791         * config/sh/t-mlib-sh3e: Delete file.
 792         * config/sh/t-mlib-sh4: Delete file.
 793         * config/sh/t-mlib-sh4-nofpu: Delete file.
 794         * config/sh/t-mlib-sh4-single: Delete file.
 795         * config/sh/t-mlib-sh4-single-only: Delete file.
 796         * config/sh/t-mlib-sh4a: Delete file.
 797         * config/sh/t-mlib-sh4a-nofpu: Delete file.
 798         * config/sh/t-mlib-sh4a-single: Delete file.
 799         * config/sh/t-mlib-sh4a-single-only: Delete file.
 800         * config/sh/t-mlib-sh4al: Delete file.
 801         * config/sh/t-mlib-sh5-32media: Delete file.
 802         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
 803         * config/sh/t-mlib-sh5-64media: Delete file.
 804         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
 805         * config/sh/t-mlib-sh5-compact: Delete file.
 806         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
 807         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
 808         * doc/install.texi (Options specification): Add
 809         --with-multilib-list and --with-endian.
 810
 811 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
 812
 813         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
 814         REVISION_c.
 815         (OBJS-common): Add plugin-version.o.
 816         (plugin-version.o): New.
 817         * gcc-plugin.h (plugin_gcc_version): New.
 818         (plugin_default_version_check): New.
 819         (plugin_init_func, plugin_init): Add version argument.
 820         * plugin-version.c: New.
 821         * plugin.c (str_plugin_gcc_version_name): New.
 822         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
 823         pass it to the init function.
 824         (plugin_default_version_check): New.
 825
 826 2009-04-17  Richard Guenther  <rguenther@suse.de>
 827
 828         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
 829         for decl-vs-decl disambiguation.
 830
 831 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 832
 833         * config/s390/s390.h (s390_tune_attr): New macro definition.
 834         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
 835
 836 2009-04-17  Richard Guenther  <rguenther@suse.de>
 837
 838         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
 839         (fold_stmt_r): Likewise.
 840         (maybe_fold_reference): New function.
 841         (fold_gimple_assign): Handle cases fold_stmt_r did.
 842         (fold_stmt): Do not use fold_stmt_r.
 843         (fold_stmt_inplace): Likewise.
 844
 845 2009-04-17  Richard Guenther  <rguenther@suse.de>
 846
 847         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
 848         (record_equivalences_from_stmt): Remove useless checks and
 849         simplifications.
 850         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
 851         the type is already suitable.
 852
 853 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
 854
 855         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
 856
 857 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
 858
 859         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
 860         (CMPtype): Define as __gcc_CMPtype.
 861
 862 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
 863
 864         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
 865         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
 866
 867 2009-04-17  Richard Guenther  <rguenther@suse.de>
 868
 869         PR tree-optimization/39746
 870         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
 871         special-casing for builtins and static variable use/def.
 872         (call_may_clobber_ref_p_1): Likewise.
 873
 874 2009-04-16  Ian Lance Taylor  <iant@google.com>
 875
 876         * df.h: Include "timevar.h".
 877         (struct df_problem): Change tv_id field to timevar_id_t.
 878         * tree-pass.h: Include "timevar.h".
 879         (struct opt_pass): Change tv_id field to timevar_id_t.
 880         * timevar.h (timevar_id_t): Define TV_NONE.
 881         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
 882         TV_NONE rather than tv_id != 0.
 883         (execute_one_pass): Likewise.
 884         * Makefile.in (DF_H): Add $(TIMEVAR_H).
 885         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
 886         dependencies to $(TREE_PASS_H).
 887         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
 888         to TV_NONE.
 889         (pass_branch_target_load_optimize2): Likewise.
 890         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
 891         (pass_outof_cfg_layout_mode): Likewise.
 892         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
 893         (pass_rebuild_cgraph_edges): Likewise.
 894         (pass_remove_cgraph_callee_edges): Likewise.
 895         * df-core.c (pass_df_initialize_opt): Likewise.
 896         (pass_df_initialize_no_opt): Likewise.
 897         (pass_df_finish): Likewise.
 898         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
 899         * except.c (pass_set_nothrow_function_flags): Likewise.
 900         (pass_convert_to_eh_region_ranges): Likewise.
 901         * final.c (pass_compute_alignments): Likewise.
 902         * function.c (pass_instantiate_virtual_regs): Likewise.
 903         (pass_init_function): Likewise.
 904         (pass_leaf_regs): Likewise.
 905         (pass_match_asm_constraints): Likewise.
 906         * gimple-low.c (pass_lower_cf): Likewise.
 907         (pass_mark_used_blocks): Likewise.
 908         * init-regs.c (pass_initialize_regs): Likewise.
 909         * integrate.c (pass_initial_value_sets): Likewise.
 910         * ira.c (pass_ira): Likewise.
 911         * jump.c (pass_cleanup_barriers): Likewise.
 912         * omp-low.c (pass_expand_omp): Likewise.
 913         (pass_lower_omp): Likewise.
 914         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
 915         * recog.c (pass_split_all_insns): Likewise.
 916         (pass_split_after_reload): Likewise.
 917         (pass_split_before_regstack): Likewise.
 918         (pass_split_before_sched2): Likewise.
 919         (pass_split_for_shorten_branches): Likewise.
 920         * reginfo.c (pass_reginfo_init): Likewise.
 921         (pass_subregs_of_mode_init): Likewise.
 922         (pass_subregs_of_mode_finish): Likewise.
 923         * passes.c (pass_postreload): Likewise.
 924         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
 925         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
 926         (pass_warn_function_return): Likewise.
 927         (pass_warn_function_noreturn): Likewise.
 928         * tree-complex.c (pass_lower_complex): Likewise.
 929         (pass_lower_complex_O0): Likewise.
 930         * tree-if-conv.c (pass_if_conversion): Likewise.
 931         * tree-into-ssa.c (pass_build_ssa): Likewise.
 932         * tree-mudflap.c (pass_mudflap_1): Likewise.
 933         (pass_mudflap_2): Likewise.
 934         * tree-nomudflap.c (pass_mudflap_1): Likewise.
 935         (pass_mudflap_2): Likewise.
 936         * tree-nrv.c (pass_return_slot): Likewise.
 937         * tree-object-size.c (pass_object_sizes): Likewise.
 938         * tree-optimize.c (pass_all_optimizations): Likewise.
 939         (pass_early_local_passes): Likewise.
 940         (pass_all_early_optimizations): Likewise.
 941         (pass_cleanup_cfg): Likewise.
 942         (pass_cleanup_cfg_post_optimizing): Likewise.
 943         (pass_free_datastructures): Likewise.
 944         (pass_free_cfg_annotations): Likewise.
 945         (pass_fixup_cfg): Likewise.
 946         (pass_init_datastructures): Likewise.
 947         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
 948         (pass_late_warn_uninitialized): Likewise.
 949         (pass_update_address_taken): Likewise.
 950         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
 951         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
 952         (pass_cse_sincos): Likewise.
 953         (pass_convert_to_rsqrt): Likewise.
 954         * tree-ssa-structalias.c (pass_build_alias): Likewise.
 955         * tree-stdarg.c (pass_stdarg): Likewise.
 956         * tree-tailcall.c (pass_tail_recursion): Likewise.
 957         (pass_tail_calls): Likewise.
 958         * tree-vect-generic.c (pass_lower_vector): Likewise.
 959         (pass_lower_vector_ssa): Likewise.
 960         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
 961
 962 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
 963
 964         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
 965         XLR entry.
 966         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
 967         Handle -march=xlr.
 968         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
 969         logical and signext.
 970
 971 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
 972
 973         PR target/39767
 974         * config/sh/predicates.md (arith_operand): Check if the operand
 975         of TRUNCATE is a REG.
 976
 977 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
 978
 979         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
 980         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
 981
 982 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
 983
 984         * tree-iterator.c (tsi_split_statement_list_after,
 985         tsi_split_statement_list_before): Remove.
 986         * tree-iterator.h: Remove the prototypes for
 987         tsi_split_statement_list_after and tsi_split_statement_list_before.
 988
 989 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
 990
 991         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
 992         * tree-ssa-propagate.h: Remove the prototype for
 993         stmt_makes_single_load.
 994
 995 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
 996
 997         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
 998         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
 999
1000 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1001
1002         * tree-iterator.c (EXPR_LAST_BODY): Remove.
1003
1004 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1005
1006         * except.c (eh_region_outer_p): Remove.
1007         * except.h: Remove the prototype for eh_region_outer_p.
1008
1009 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1010
1011         * function.c (current_function_assembler_name): Remove.
1012         * function.h: Remove the prototype for
1013         current_function_assembler_name.
1014
1015 2009-04-16  Ian Lance Taylor  <iant@google.com>
1016
1017         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
1018         (add_reg_note): Call alloc_reg_note.
1019         * rtl.h (alloc_reg_note): Declare.
1020         * combine.c (try_combine): Use alloc_reg_note.
1021         (recog_for_combine, move_deaths): Likewise.
1022         (distribute_notes): Use alloc_reg_note and add_reg_note.
1023         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
1024         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
1025         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
1026
1027 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
1028
1029         PR rtl-optimization/39762
1030         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
1031         ira_may_move_out_cost): Add comments about way of their usage.
1032         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
1033
1034         * ira-conflicts.c (process_regs_for_copy): Use function
1035         ira_get_register_move_cost instead of global
1036         ira_register_move_cost.
1037
1038         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
1039         color_pass, move_spill_restore, update_curr_costs): Ditto.
1040
1041         * ira-lives.c (process_single_reg_class_operands): Ditto.
1042
1043         * ira-emit.c (emit_move_list): Ditto.
1044
1045         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
1046         (record_reg_classes): Ditto.  Use functions
1047         ira_get_register_move_cost and ira_get_may_move_cost instead of
1048         global vars ira_register_move_cost, ira_may_move_out_cost and
1049         ira_may_move_in_cost.
1050         (record_address_regs): Don't call ira_init_register_move_cost.
1051         Use function ira_get_may_move_cost instead of global
1052         ira_may_move_in_cost.
1053         (process_bb_node_for_hard_reg_moves): Use function
1054         ira_get_register_move_cost instead of global ira_register_move_cost.
1055         (ira_costs): Don't call ira_init_register_move_cost.
1056
1057 2009-04-16  Richard Guenther  <rguenther@suse.de>
1058
1059         * tree-cfg.c (verify_gimple_assign_binary):
1060         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
1061         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
1062         (create_general_new_stmt): Note that this function is broken.
1063
1064 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1065
1066         * common.opt (fhelp): Add Var(help_flag).
1067         * gcc-plugin.h (plugin_info): Add help.
1068         * plugin.c (plugin_name_args): Add help.
1069         (register_plugin_info): Set plugin->help.
1070         (print_help_one_plugin): New.
1071         (print_plugins_help): New.
1072         * plugin.h (print_plugins_help): New.
1073         * toplev.c (toplev_main): Call print_plugins_help if needed.
1074
1075 2009-04-16  Richard Guenther  <rguenther@suse.de>
1076
1077         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
1078         (gimple_ior_addresses_taken_1): New function.
1079         (gimple_ior_addresses_taken): Likewise.
1080         * gimple.h (struct gimple_statement_with_ops_base): Remove
1081         addresses_taken member.
1082         (gimple_ior_addresses_taken): Declare.
1083         (gimple_addresses_taken, gimple_addresses_taken_ptr,
1084         gimple_set_addresses_taken): Remove.
1085         * ipa-reference.c (mark_address): New function.
1086         (scan_stmt_for_static_refs): Use it for marking addresses taken.
1087         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
1088         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
1089         (gimple_add_to_addresses_taken): Remove.
1090         (get_tmr_operands): Call mark_address_taken.
1091         (get_asm_expr_operands): Likewise.
1092         (get_expr_operands): Likewise.
1093         (build_ssa_operands): Do not clear the addresses_taken bitmap.
1094         (free_stmt_operands): Do not free it.
1095         * tree-ssa.c (delete_tree_ssa): Likewise.
1096         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
1097
1098 2009-04-16  Richard Guenther  <rguenther@suse.de>
1099
1100         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
1101         (walk_stmt_load_store_ops): Likewise.
1102         * gimple.c (get_base_loadstore): New function.
1103         (walk_stmt_load_store_addr_ops): Likewise.
1104         (walk_stmt_load_store_ops): Likewise.
1105         * ipa-pure-const.c (check_op): Simplify.
1106         (check_load, check_store): New functions.
1107         (check_stmt): Use walk_stmt_load_store_ops.
1108         * ipa-reference.c (mark_load): Adjust signature.
1109         (mark_store): Likewise.
1110         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
1111
1112 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1113
1114         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
1115         (plugin_info): New.
1116         * opts.c (common_handle_option): Don't call print_version.
1117         * plugin.c (plugin_name_args): Add version.
1118         (register_plugin_info): New.
1119         (register_callback): Handle PLUGIN_INFO.
1120         (try_init_one_plugin): New.
1121         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
1122         if failed to init.
1123         (finalize_one_plugin): New.
1124         (finalize_plugins): New.
1125         (print_one_plugin): New.
1126         (print_plugins_versions): New.
1127         * plugin.h (print_plugins_versions): New.
1128         (finalize_plugins): New.
1129         * toplev.c (compile_file): Don't call initialize_plugins.
1130         (print_version): Call print_plugins_versions.
1131         (toplev_main): Call initialize_plugins. Print version if needed.
1132         Call finalize_plugins.
1133
1134 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1135
1136         * common.opt (fversion): New.
1137         * gcc.c (print_version): New.
1138         (process_command): Don't print the version. Just set print_version.
1139         (main): Print version. Call subprocesses if print_version and
1140         verbose_flag are set.
1141         * opts.c (common_handle_option): Handle OPT_fversion.
1142
1143 2009-04-16  Richard Guenther  <rguenther@suse.de>
1144             Ira Rosen  <irar@il.ibm.com>
1145
1146         PR tree-optimization/39698
1147         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
1148         type of the reduction variable.  Only generate the def if
1149         it is needed.
1150
1151         * omp-low.c (expand_omp_for_generic): When converting to a pointer
1152         make sure to first convert to an integer of the same precision.
1153         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
1154         the type of the evolution correctly in computing the new
1155         induction variable base.
1156
1157 2009-04-16  Richard Guenther  <rguenther@suse.de>
1158
1159         PR middle-end/39625
1160         * tree-cfg.c (make_blocks): Split statements with to-be
1161         abnormal SSA names on the lhs.
1162
1163 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
1164
1165         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
1166         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
1167         * c-typeck.c (really_start_incremental_init): Likewise.
1168         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
1169         (TARGET_INITIALIZER): Remove it.
1170         * target.h (struct target): Remove vector_opaque_p.
1171         * tree.c (build_opaque_vector_type): New.
1172         * tree.h (TYPE_VECTOR_OPAQUE): New.
1173         (build_opaque_vector_type): Declare.
1174         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
1175         * config/rs6000/rs6000.c (build_opaque_vector_type,
1176         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
1177         (rs6000_init_builtins): Use build_opaque_vector_type for
1178         opaque_V4SI_type_node.
1179
1180 2009-04-15  Catherine Moore  <clm@codesourcery.com>
1181
1182         * debug.h (set_name):  Declare.
1183         * dwarf2out.c (dwarf2out_set_name): Declare.
1184         (dwarf2_debug_hooks): Add set_name.
1185         (find_AT_string): New.
1186         (add_AT_string): Call find_AT_string.
1187         (dwarf2out_set_name): New.
1188         * cp/decl.c (grokdeclarator): Call set_name.
1189         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
1190         * debug.c (do_nothing_debug_hooks):  Likewise.
1191         * dbxout.c (dbx_debug_hooks): Likewise.
1192         * sdbout.c (sdb_debug_hooks): Likewise.
1193
1194 2009-04-15  Michael Eager <eager@eagercon.com>
1195
1196         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
1197         reg for single-precision FPU.
1198         * config/rs6000/rs6000.md (movsi_internal1): Only for
1199         !TARGET_SINGLE_FPU.
1200         (movsi_internal1_single): New. Add pattern to move SI values to/from
1201         single-precision FP regs.
1202
1203 2009-04-15  Richard Guenther  <rguenther@suse.de>
1204
1205         * omp-low.c (lower_rec_input_clauses): Build correct address
1206         expressions.
1207         (expand_omp_for_generic): Fix multiplication type.
1208         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
1209         (generate_memset_zero): Fix types.
1210         * tree-profile.c (prepare_instrumented_value): Correctly
1211         widen a pointer.
1212
1213 2009-04-15  Ian Lance Taylor  <iant@google.com>
1214
1215         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
1216         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
1217         for -Wall and for -Wc++-compat.
1218         (c_common_post_options): For C++, set warn_enum_compare if not
1219         already set.
1220         * c-tree.h (struct c_expr): Add field original_type.
1221         (build_external_ref): Update declaration.
1222         * c-parser.c (c_parser_braced_init): Set original_type.
1223         (c_parser_initelt): Likewise.
1224         (c_parser_expr_no_commas): Likewise.
1225         (c_parser_conditional_expression): Likewise.
1226         (c_parser_cast_expression): Likewise.
1227         (c_parser_unary_expression): Likewise.  Pull setting of
1228         original_code to top of function.
1229         (c_parser_sizeof_expression): Set original_type.
1230         (c_parser_alignof_expression): Likewise.
1231         (c_parser_postfix_expression): Likewise.  Pull setting of
1232         original_code to top of function.
1233         (c_parser_postfix_expression_after_paren_type): Set original_type.
1234         (c_parser_postfix_expression_after_primary): Likewise.
1235         (c_parser_expression): Likewise.
1236         * c-typeck.c (build_external_ref): Add type parameter.  Change all
1237         callers.
1238         (c_expr_sizeof_expr): Set original_type field.
1239         (parser_build_unary_op): Likewise.
1240         (parser_build_binary_op): Likewise.  Optionally warn about
1241         comparisons of enums of different types.
1242         (digest_init): Set original_type field.
1243         (really_start_incremental_init): Likewise.
1244         (push_init_level, pop_init_level): Likewise.
1245         * doc/invoke.texi (Warning Options): -Wenum-compare now
1246         supported in C.
1247
1248 2009-04-15  Richard Guenther  <rguenther@suse.de>
1249
1250         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
1251         out a necessary conversion.
1252         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
1253         names we didn't value number.
1254         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
1255
1256 2009-04-15  Richard Guenther  <rguenther@suse.de>
1257
1258         PR tree-optimization/39764
1259         * tree-ssa-ccp.c (get_value): Canonicalize value with
1260         canonicalize_float_value.
1261
1262 2009-04-15  Jan Hubicka  <jh@suse.cz>
1263
1264         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
1265         Wrong version of patch.
1266
1267 2009-04-15  Jan Hubicka  <jh@suse.cz>
1268
1269         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
1270
1271 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
1272
1273         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
1274         our distinct integral and vector types.
1275
1276 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
1277
1278         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
1279         * init.c (build_vtbl_address): Remove call to assemble_external.
1280
1281 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
1282
1283         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
1284         output for other floating point modes.
1285
1286 2009-04-14  Diego Novillo  <dnovillo@google.com>
1287
1288         * diagnostic.c (diagnostic_report_diagnostic): Do not
1289         warn about loaded plugins for DK_ERROR and DK_WARNING.
1290         * c-decl.c (declspecs_add_type): Move call to
1291         invoke_plugin_callbacks ...
1292         * c-parser.c (c_parser_declspecs): ... here.
1293         * plugin.c (dump_active_plugins): Tidy output.
1294
1295 2009-04-14  Diego Novillo  <dnovillo@google.com>
1296             Le-Chun Wu  <lcwu@google.com>
1297
1298         * configure.ac: Add --enable-plugin support.
1299         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
1300         * Makefile.in (PLUGIN_H): Define.
1301         Export ENABLE_PLUGIN and GMPINC to site.exp.
1302         Add PLUGINLIBS to link command.
1303         Add/modify dependencies for plugin.o and files including plugin.h.
1304         (plugin.o): New.
1305         * config.in: Regenerate.
1306
1307         * opts.c (common_handle_option): Handle OPT_fplugin_ and
1308         OPT_fplugin_arg_.
1309
1310 2009-04-14  Le-Chun Wu  <lcwu@google.com>
1311
1312         * tree-pass.h (register_one_dump_file): Add a prototype for
1313         register_one_dump_file.
1314         * toplev.c (compile_file): Call initialize_plugins.
1315         (do_compile): Call invoke_plugin_callbacks.
1316         (toplev_main): Call invoke_plugin_callbacks.
1317         * common.opt: Add -fplugin= and -fplugin-arg-.
1318         * gcc-plugin.h: New public header file for plugins to include.
1319         * plugin.c: New source file.
1320         * plugin.h: New internal header file.
1321         * passes.c (register_one_dump_file): Make it external.
1322
1323         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
1324
1325 2009-04-14  Diego Novillo  <dnovillo@google.com>
1326
1327         * doc/plugins.texi: New.
1328         * doc/gccint.texi: Add reference to Plugins chapter.
1329         * doc/invoke.texi: Document -fplugin and -fplugin-arg
1330         * diagnostic.c (diagnostic_report_diagnostic): Warn about
1331         loaded plugins, if any.
1332         * timevar.def (TV_PLUGIN_INIT): Define.
1333         (TV_PLUGIN_RUN): Define.
1334         * plugin.c: Include timevar.h
1335         (plugins_active_p): New.
1336         (dump_active_plugins): New.
1337         (debug_active_plugins): New.
1338
1339 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
1340
1341         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
1342         library paths.
1343         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
1344
1345 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
1346
1347         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
1348         the same as a minus without a shift.
1349
1350 2009-04-14  Nick Clifton  <nickc@redhat.com>
1351
1352         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
1353         comparisons with small integers will always produce a short
1354         branch.
1355
1356 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
1357
1358         Merge:
1359         2008-12-19  Diego Novillo  <dnovillo@google.com>
1360
1361         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
1362
1363 2009-04-14  Richard Guenther  <rguenther@suse.de>
1364
1365         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
1366         verification.
1367         (verify_gimple_assign_binary): Likewise.  Handle shifts and
1368         rotates correctly.
1369         (verify_gimple_phi): Print the mismatched argument position.
1370         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1371         Fix types.
1372         (vect_update_init_of_dr): Likewise.
1373         * matrix-reorg.c (transform_access_sites): Do what the
1374         comment suggests.
1375         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
1376
1377 2009-04-13  Michael Eager <eager@eagercon.com>
1378
1379         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
1380         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
1381         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
1382         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
1383         remove duplicate config
1384
1385 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1386
1387         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
1388         file_name:line_number type locator of the call site.
1389
1390 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
1391
1392         * genautomata.c: Put blank after comma.
1393         (automaton_decls): New.
1394         (struct unit_usage): Add comments to member next.
1395         (store_alt_unit_usage): Keep the list ordered.
1396         (unit_present_on_list_p, equal_alternatives_p): New.
1397         (check_regexp_units_distribution): Check units distribution
1398         correctness correctly.
1399         (main): Don't write automata if error is found.  Return correct
1400         exit code.
1401
1402         * config/m68k/cf.md (cfv4_ds): Remove.
1403         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
1404         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
1405
1406         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
1407         power4-load-ext, power4-store, power4-store-update,
1408         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
1409         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
1410         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
1411         power4-sqrt, power4-isync): Modify reservation to make correct
1412         unit distribution to automata.
1413
1414         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
1415         power5-store-update, power5-two, power5-three, power5-lmul,
1416         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
1417
1418 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
1419
1420         * except.c (pass_set_nothrow_function_flags): Set name and add
1421         TODO_dump_func.
1422         (set_nothrow_function_flags): Mention in the dump file when
1423         changing a function to nothrow.
1424
1425 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
1426
1427         PR/39066
1428         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
1429         instead of unsigned long.
1430
1431 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1432
1433         * config/arm/arm.c (return_used_this_function): Remove.
1434         (arm_output_function_prologue): Remove use of
1435         return_used_this_function.
1436         (output_return_instruction): Replace use of
1437         return_used_this_function
1438         by cfun->machine->return_used_this_function.
1439         (arm_output_epilogue): Likewise.
1440         (arm_output_function_epilogue): Likewise.
1441         (thumb_unexpanded_epilogue): Likewise.
1442         * config/arm/arm.h (struct machine_function):
1443         New member return_used_this_function.
1444
1445 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
1446
1447         * doc/install.texi: Correct description of default directory for
1448         --with-gxx-include-dir.
1449
1450 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1451
1452         * fold-const.c (build_range_check): Properly deal with enumeral and
1453         boolean base types.
1454
1455 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
1456
1457         * doc/invoke.texi (max_gcse_passes): Remove documentation.
1458         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
1459         * params.h (MAX_GCSE_PASSES): Remove.
1460         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
1461         in sequence.  Remove ability to run multiple passes.
1462         (bypass_jumps): Report run as third CPROP pass.
1463
1464 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
1465
1466         PR middle-end/39651
1467         * except.c (can_throw_external): Look at each insn in a SEQUENCE
1468         when deciding whether the whole SEQUENCE can throw.
1469
1470 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
1471
1472         PR target/39740
1473         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
1474         offseted label references.
1475
1476 2009-04-11  Jan Hubicka  <jh@suse.cz>
1477
1478         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
1479
1480 2009-04-11  Richard Guenther  <rguenther@suse.de>
1481
1482         PR middle-end/39732
1483         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
1484         return variables as TREE_ADDRESSABLE.
1485
1486 2009-04-11  Richard Guenther  <rguenther@suse.de>
1487
1488         PR tree-optimization/39713
1489         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
1490         reference trees have SSA_NAME operands.
1491
1492 2009-04-11  Richard Guenther  <rguenther@suse.de>
1493
1494         PR c/39712
1495         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
1496         address expressions.
1497
1498 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
1499
1500         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
1501         match changes in Cygwin 1.7
1502         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
1503         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
1504
1505 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1506
1507         PR tree-optimization/39701
1508         * doc/invoke.texi (Optimization Options): Document change in
1509         meaning and initialization of -fdelete-null-pointer-checks.
1510
1511 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
1512
1513         PR middle-end/39701
1514         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
1515
1516         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
1517         here.
1518
1519         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
1520
1521 2009-04-10  Chao-ying Fu  <fu@mips.com>
1522
1523         * doc/tm.texi (Instruction Output): Document
1524         TARGET_ASM_FINAL_POSTSCAN_INSN.
1525         * target.h (final_postscan_insn): New field in asm_out.
1526         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1527         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
1528         * final.c (final_scan_insn): Call
1529         targetm.asm_out.final_postscan_insn after outputting
1530         an asm macro and a normal instruction.
1531
1532         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
1533         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
1534         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
1535         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
1536         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1537
1538 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1539
1540         PR middle-end/39701
1541         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
1542         variables as non-NULL even with -fdelete-null-pointer-checks.
1543
1544 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
1545
1546         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
1547
1548 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1549
1550         PR target/39678
1551         * config/i386/i386.c (classify_argument): Handle SCmode with
1552         (bit_offset % 64) != 0.
1553
1554 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
1555
1556         * doc/invoke.texi (Optimize Options): Add cross-reference to
1557         -Q --help=optimizers examples.
1558
1559 2009-04-10  Ben Elliston  <bje@au.ibm.com>
1560
1561         PR target/36800
1562         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
1563         regalign for the reg == fpr and TDmode case.
1564
1565 2009-04-09  David Ayers  <ayers@fsfe.org>
1566
1567         PR objc/29200
1568         * objc/objc-act.c (warn_with_method): Remove helper function.
1569         (check_duplicates): Call warning and inform directly.
1570         (really_start_method): Likewise.
1571
1572 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1573
1574         * expmed.c (expand_divmod): Always use a comparison for a division
1575         by a large unsigned integer.
1576
1577         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
1578         for things others than variables or functions as nonzero.
1579
1580 2009-04-09  Nick Clifton  <nickc@redhat.com>
1581
1582         * unwind-compat.c: Change copyright header to refer to version
1583         3 of the GNU General Public License with version 3.1 of the
1584         GCC Runtime Library Exception and to point readers at the
1585         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
1586         * config/alpha/crtfastmath.c: Likewise.
1587         * config/alpha/linux-unwind.h: Likewise.
1588         * config/alpha/qrnnd.asm: Likewise.
1589         * config/alpha/vms-crt0-64.c: Likewise.
1590         * config/alpha/vms-crt0.c: Likewise.
1591         * config/alpha/vms-dwarf2.asm: Likewise.
1592         * config/alpha/vms-dwarf2eh.asm: Likewise.
1593         * config/alpha/vms-psxcrt0-64.c: Likewise.
1594         * config/alpha/vms-psxcrt0.c: Likewise.
1595         * config/alpha/vms_tramp.asm: Likewise.
1596         * config/arc/initfini.c: Likewise.
1597         * config/arc/lib1funcs.asm: Likewise.
1598         * config/arm/bpabi-v6m.S: Likewise.
1599         * config/arm/bpabi.S: Likewise.
1600         * config/arm/bpabi.c: Likewise.
1601         * config/arm/crti.asm: Likewise.
1602         * config/arm/crtn.asm: Likewise.
1603         * config/arm/ieee754-df.S: Likewise.
1604         * config/arm/ieee754-sf.S: Likewise.
1605         * config/arm/lib1funcs.asm: Likewise.
1606         * config/arm/libunwind.S: Likewise.
1607         * config/arm/linux-atomic.c: Likewise.
1608         * config/arm/mmintrin.h: Likewise.
1609         * config/arm/pr-support.c: Likewise.
1610         * config/arm/unaligned-funcs.c: Likewise.
1611         * config/arm/unwind-arm.c: Likewise.
1612         * config/arm/unwind-arm.h: Likewise.
1613         * config/avr/libgcc.S: Likewise.
1614         * config/bfin/crti.s: Likewise.
1615         * config/bfin/crtlibid.s: Likewise.
1616         * config/bfin/crtn.s: Likewise.
1617         * config/bfin/lib1funcs.asm: Likewise.
1618         * config/bfin/linux-unwind.h: Likewise.
1619         * config/cris/arit.c: Likewise.
1620         * config/cris/cris_abi_symbol.c: Likewise.
1621         * config/darwin-64.c: Likewise.
1622         * config/darwin-crt2.c: Likewise.
1623         * config/darwin-crt3.c: Likewise.
1624         * config/darwin.h: Likewise.
1625         * config/dbxelf.h: Likewise.
1626         * config/dfp-bit.c: Likewise.
1627         * config/dfp-bit.h: Likewise.
1628         * config/elfos.h: Likewise.
1629         * config/fixed-bit.c: Likewise.
1630         * config/fixed-bit.h: Likewise.
1631         * config/fp-bit.c: Likewise.
1632         * config/fp-bit.h: Likewise.
1633         * config/fr30/crti.asm: Likewise.
1634         * config/fr30/crtn.asm: Likewise.
1635         * config/fr30/lib1funcs.asm: Likewise.
1636         * config/freebsd-spec.h: Likewise.
1637         * config/frv/cmovd.c: Likewise.
1638         * config/frv/cmovh.c: Likewise.
1639         * config/frv/cmovw.c: Likewise.
1640         * config/frv/frvbegin.c: Likewise.
1641         * config/frv/frvend.c: Likewise.
1642         * config/frv/lib1funcs.asm: Likewise.
1643         * config/glibc-stdint.h: Likewise.
1644         * config/h8300/clzhi2.c: Likewise.
1645         * config/h8300/crti.asm: Likewise.
1646         * config/h8300/crtn.asm: Likewise.
1647         * config/h8300/ctzhi2.c: Likewise.
1648         * config/h8300/fixunssfsi.c: Likewise.
1649         * config/h8300/lib1funcs.asm: Likewise.
1650         * config/h8300/parityhi2.c: Likewise.
1651         * config/h8300/popcounthi2.c: Likewise.
1652         * config/i386/ammintrin.h: Likewise.
1653         * config/i386/att.h: Likewise.
1654         * config/i386/avxintrin.h: Likewise.
1655         * config/i386/biarch64.h: Likewise.
1656         * config/i386/bmmintrin.h: Likewise.
1657         * config/i386/cpuid.h: Likewise.
1658         * config/i386/cross-stdarg.h: Likewise.
1659         * config/i386/crtfastmath.c: Likewise.
1660         * config/i386/crtprec.c: Likewise.
1661         * config/i386/cygming-crtbegin.c: Likewise.
1662         * config/i386/cygming-crtend.c: Likewise.
1663         * config/i386/cygwin.asm: Likewise.
1664         * config/i386/emmintrin.h: Likewise.
1665         * config/i386/gmm_malloc.h: Likewise.
1666         * config/i386/gthr-win32.c: Likewise.
1667         * config/i386/i386.h: Likewise.
1668         * config/i386/immintrin.h: Likewise.
1669         * config/i386/linux-unwind.h: Likewise.
1670         * config/i386/linux64.h: Likewise.
1671         * config/i386/mm3dnow.h: Likewise.
1672         * config/i386/mmintrin-common.h: Likewise.
1673         * config/i386/mmintrin.h: Likewise.
1674         * config/i386/nmmintrin.h: Likewise.
1675         * config/i386/pmm_malloc.h: Likewise.
1676         * config/i386/pmmintrin.h: Likewise.
1677         * config/i386/smmintrin.h: Likewise.
1678         * config/i386/sol2-c1.asm: Likewise.
1679         * config/i386/sol2-ci.asm: Likewise.
1680         * config/i386/sol2-cn.asm: Likewise.
1681         * config/i386/sol2-gc1.asm: Likewise.
1682         * config/i386/tmmintrin.h: Likewise.
1683         * config/i386/unix.h: Likewise.
1684         * config/i386/w32-unwind.h: Likewise.
1685         * config/i386/wmmintrin.h: Likewise.
1686         * config/i386/x86-64.h: Likewise.
1687         * config/i386/x86intrin.h: Likewise.
1688         * config/i386/xmmintrin.h: Likewise.
1689         * config/ia64/crtbegin.asm: Likewise.
1690         * config/ia64/crtend.asm: Likewise.
1691         * config/ia64/crtfastmath.c: Likewise.
1692         * config/ia64/crti.asm: Likewise.
1693         * config/ia64/crtn.asm: Likewise.
1694         * config/ia64/fde-glibc.c: Likewise.
1695         * config/ia64/lib1funcs.asm: Likewise.
1696         * config/ia64/linux-unwind.h: Likewise.
1697         * config/ia64/quadlib.c: Likewise.
1698         * config/ia64/unwind-ia64.c: Likewise.
1699         * config/linux.h: Likewise.
1700         * config/m32c/m32c-lib1.S: Likewise.
1701         * config/m32c/m32c-lib2-trapv.c: Likewise.
1702         * config/m32c/m32c-lib2.c: Likewise.
1703         * config/m32r/initfini.c: Likewise.
1704         * config/m68hc11/larith.asm: Likewise.
1705         * config/m68hc11/m68hc11-crt0.S: Likewise.
1706         * config/m68k/cf.md: Likewise.
1707         * config/m68k/crti.s: Likewise.
1708         * config/m68k/crtn.s: Likewise.
1709         * config/m68k/lb1sf68.asm: Likewise.
1710         * config/m68k/linux-unwind.h: Likewise.
1711         * config/mcore/crti.asm: Likewise.
1712         * config/mcore/crtn.asm: Likewise.
1713         * config/mcore/lib1.asm: Likewise.
1714         * config/mips/linux-unwind.h: Likewise.
1715         * config/mips/loongson.h: Likewise.
1716         * config/mips/mips16.S: Likewise.
1717         * config/mmix/crti.asm: Likewise.
1718         * config/mmix/crtn.asm: Likewise.
1719         * config/pa/fptr.c: Likewise.
1720         * config/pa/hpux-unwind.h: Likewise.
1721         * config/pa/lib2funcs.asm: Likewise.
1722         * config/pa/linux-atomic.c: Likewise.
1723         * config/pa/linux-unwind.h: Likewise.
1724         * config/pa/milli64.S: Likewise.
1725         * config/pa/quadlib.c: Likewise.
1726         * config/pa/stublib.c: Likewise.
1727         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1728         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1729         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1730         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1731         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1732         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1733         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1734         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1735         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1736         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1737         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1738         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1739         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1740         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1741         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1742         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1743         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1744         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1745         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1746         * config/rs6000/750cl.h: Likewise.
1747         * config/rs6000/altivec.h: Likewise.
1748         * config/rs6000/biarch64.h: Likewise.
1749         * config/rs6000/crtresfpr.asm: Likewise.
1750         * config/rs6000/crtresgpr.asm: Likewise.
1751         * config/rs6000/crtresxfpr.asm: Likewise.
1752         * config/rs6000/crtresxgpr.asm: Likewise.
1753         * config/rs6000/crtsavfpr.asm: Likewise.
1754         * config/rs6000/crtsavgpr.asm: Likewise.
1755         * config/rs6000/darwin-asm.h: Likewise.
1756         * config/rs6000/darwin-fallback.c: Likewise.
1757         * config/rs6000/darwin-fpsave.asm: Likewise.
1758         * config/rs6000/darwin-ldouble.c: Likewise.
1759         * config/rs6000/darwin-tramp.asm: Likewise.
1760         * config/rs6000/darwin-unwind.h: Likewise.
1761         * config/rs6000/darwin-vecsave.asm: Likewise.
1762         * config/rs6000/darwin-world.asm: Likewise.
1763         * config/rs6000/e500crtres32gpr.asm: Likewise.
1764         * config/rs6000/e500crtres64gpr.asm: Likewise.
1765         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1766         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1767         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1768         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1769         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1770         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1771         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1772         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1773         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1774         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1775         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1776         * config/rs6000/eabi-ci.asm: Likewise.
1777         * config/rs6000/eabi-cn.asm: Likewise.
1778         * config/rs6000/eabi.asm: Likewise.
1779         * config/rs6000/linux-unwind.h: Likewise.
1780         * config/rs6000/linux64.h: Likewise.
1781         * config/rs6000/paired.h: Likewise.
1782         * config/rs6000/paired.md: Likewise.
1783         * config/rs6000/ppc64-fp.c: Likewise.
1784         * config/rs6000/ppu_intrinsics.h: Likewise.
1785         * config/rs6000/rs6000.h: Likewise.
1786         * config/rs6000/si2vmx.h: Likewise.
1787         * config/rs6000/sol-ci.asm: Likewise.
1788         * config/rs6000/sol-cn.asm: Likewise.
1789         * config/rs6000/spe.h: Likewise.
1790         * config/rs6000/spu2vmx.h: Likewise.
1791         * config/rs6000/sysv4.h: Likewise.
1792         * config/rs6000/tramp.asm: Likewise.
1793         * config/rs6000/vec_types.h: Likewise.
1794         * config/s390/linux-unwind.h: Likewise.
1795         * config/s390/tpf-unwind.h: Likewise.
1796         * config/score/crti.asm: Likewise.
1797         * config/score/crtn.asm: Likewise.
1798         * config/sh/crt1.asm: Likewise.
1799         * config/sh/crti.asm: Likewise.
1800         * config/sh/crtn.asm: Likewise.
1801         * config/sh/divtab-sh4-300.c: Likewise.
1802         * config/sh/divtab-sh4.c: Likewise.
1803         * config/sh/divtab.c: Likewise.
1804         * config/sh/lib1funcs-4-300.asm: Likewise.
1805         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1806         * config/sh/lib1funcs.asm: Likewise.
1807         * config/sh/lib1funcs.h: Likewise.
1808         * config/sh/linux-atomic.asm: Likewise.
1809         * config/sh/linux-unwind.h: Likewise.
1810         * config/sh/shmedia.h: Likewise.
1811         * config/sh/sshmedia.h: Likewise.
1812         * config/sh/ushmedia.h: Likewise.
1813         * config/sparc/crtfastmath.c: Likewise.
1814         * config/sparc/linux-unwind.h: Likewise.
1815         * config/sparc/sol2-c1.asm: Likewise.
1816         * config/sparc/sol2-ci.asm: Likewise.
1817         * config/sparc/sol2-cn.asm: Likewise.
1818         * config/spu/divmodti4.c: Likewise.
1819         * config/spu/divv2df3.c: Likewise.
1820         * config/spu/float_disf.c: Likewise.
1821         * config/spu/float_unsdidf.c: Likewise.
1822         * config/spu/float_unsdisf.c: Likewise.
1823         * config/spu/float_unssidf.c: Likewise.
1824         * config/spu/mfc_multi_tag_release.c: Likewise.
1825         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1826         * config/spu/mfc_tag_release.c: Likewise.
1827         * config/spu/mfc_tag_reserve.c: Likewise.
1828         * config/spu/mfc_tag_table.c: Likewise.
1829         * config/spu/multi3.c: Likewise.
1830         * config/spu/spu_internals.h: Likewise.
1831         * config/spu/spu_intrinsics.h: Likewise.
1832         * config/spu/spu_mfcio.h: Likewise.
1833         * config/spu/vec_types.h: Likewise.
1834         * config/spu/vmx2spu.h: Likewise.
1835         * config/stormy16/stormy16-lib2.c: Likewise.
1836         * config/svr4.h: Likewise.
1837         * config/sync.c: Likewise.
1838         * config/v850/lib1funcs.asm: Likewise.
1839         * config/vxlib-tls.c: Likewise.
1840         * config/vxlib.c: Likewise.
1841         * config/vxworks-dummy.h: Likewise.
1842         * config/xtensa/crti.asm: Likewise.
1843         * config/xtensa/crtn.asm: Likewise.
1844         * config/xtensa/ieee754-df.S: Likewise.
1845         * config/xtensa/ieee754-sf.S: Likewise.
1846         * config/xtensa/lib1funcs.asm: Likewise.
1847         * config/xtensa/lib2funcs.S: Likewise.
1848         * config/xtensa/linux-unwind.h: Likewise.
1849         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1850         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1851         * coretypes.h: Likewise.
1852         * crtstuff.c: Likewise.
1853         * defaults.h: Likewise.
1854         * dwarf2.h: Likewise.
1855         * emutls.c: Likewise.
1856         * gbl-ctors.h: Likewise.
1857         * gcov-io.h: Likewise.
1858         * ginclude/float.h: Likewise.
1859         * ginclude/iso646.h: Likewise.
1860         * ginclude/stdarg.h: Likewise.
1861         * ginclude/stdbool.h: Likewise.
1862         * ginclude/stddef.h: Likewise.
1863         * ginclude/stdfix.h: Likewise.
1864         * ginclude/stdint-gcc.h: Likewise.
1865         * ginclude/tgmath.h: Likewise.
1866         * gthr-aix.h: Likewise.
1867         * gthr-dce.h: Likewise.
1868         * gthr-gnat.c: Likewise.
1869         * gthr-gnat.h: Likewise.
1870         * gthr-lynx.h: Likewise.
1871         * gthr-mipssde.h: Likewise.
1872         * gthr-nks.h: Likewise.
1873         * gthr-posix.c: Likewise.
1874         * gthr-posix.h: Likewise.
1875         * gthr-posix95.h: Likewise.
1876         * gthr-rtems.h: Likewise.
1877         * gthr-single.h: Likewise.
1878         * gthr-solaris.h: Likewise.
1879         * gthr-tpf.h: Likewise.
1880         * gthr-vxworks.h: Likewise.
1881         * gthr-win32.h: Likewise.
1882         * gthr.h: Likewise.
1883         * libgcc2.c: Likewise.
1884         * libgcc2.h: Likewise.
1885         * libgcov.c: Likewise.
1886         * tsystem.h: Likewise.
1887         * typeclass.h: Likewise.
1888         * unwind-c.c: Likewise.
1889         * unwind-compat.h: Likewise.
1890         * unwind-dw2-fde-compat.c: Likewise.
1891         * unwind-dw2-fde-darwin.c: Likewise.
1892         * unwind-dw2-fde-glibc.c: Likewise.
1893         * unwind-dw2-fde.c: Likewise.
1894         * unwind-dw2-fde.h: Likewise.
1895         * unwind-dw2.c: Likewise.
1896         * unwind-dw2.h: Likewise.
1897         * unwind-generic.h: Likewise.
1898         * unwind-pe.h: Likewise.
1899         * unwind-sjlj.c: Likewise.
1900         * unwind.inc: Likewise.
1901         * config/arm/neon-gen.ml: Change generated copyright header to
1902         refer to version 3 of the GNU General Public License with
1903         version 3.1 of the GCC Runtime Library Exception and to point
1904         readers at the COPYING3 and COPYING3.RUNTIME files and the
1905         FSF's license web page.
1906         * config/arm/arm_neon.h: Regenerate.
1907
1908 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1909
1910         * config/cris/cris.md: Change copyright header to refer to version
1911         3 of the GNU General Public License.
1912         * doc/install.texi2html: Change copyright header to refer to version
1913         3 of the GNU General Public License and to point readers at the
1914         COPYING3 file and the FSF's license web page.
1915         * config/vax/linux.h: Likewise.
1916
1917 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1918
1919         * config/i386/i386.md (cmpcc): New.
1920         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1921         (sync_compare_and_swap_cc*): Delete.
1922
1923         * config/s390/s390.c (s390_compare_emitted): Remove.
1924         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1925         s390_compare_emitted used to be handled.  Assert that modes match.
1926         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1927         refer to sync_compare_and_swap_ccsi.
1928         * config/s390/s390.h (s390_compare_emitted): Remove.
1929         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1930         instead of s390_compare_emitted.
1931         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1932         instead of s390_compare_emitted.
1933         * config/s390/s390.md (cmpcc): New.
1934         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1935         CC_REGNUM, do not pretend it's set.
1936         (sync_compare_and_swap_cc*): Delete.
1937         * config/s390/predicates.md (cc_reg_operand): New.
1938
1939         * expr.c (sync_compare_and_swap_cc): Delete.
1940         * optabs.h (sync_compare_and_swap_cc): Delete.
1941         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1942         is being used with can_compare_p.
1943         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1944         (find_cc_set): New.
1945         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1946         look for a MODE_CC set instead.  Use emit_store_flag.
1947         (expand_compare_and_swap_loop): Likewise, with some additional
1948         complication to avoid a force_reg when useless.  Use
1949         emit_cmp_and_jump_insns.
1950         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1951         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1952         sync_compare_and_swap documentation.
1953
1954 2009-04-09  Jan Hubicka  <jh@suse.cz>
1955
1956         * except.c (find_prev_try): Break out from ....
1957         (duplicate_eh_regions): ... here; properly update prev_try pointers
1958         when duplication part of tree.
1959         (dump_eh_tree): Improve dumping.
1960         (verify_eh_region): New.
1961         (verify_eh_tree): Use it.
1962
1963 2009-04-06  Richard Guenther  <rguenther@suse.de>
1964
1965         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1966         &ARRAY addresses by adjusting their types and prepending
1967         a conversion.
1968         * tree-cfg.c (verify_gimple_assign_single): Verify that
1969         addresses are correct.
1970
1971 2009-04-09  Richard Guenther  <rguenther@suse.de>
1972
1973         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1974         indices into an array reference if possible.
1975         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
1976         Fold POINTER_PLUS_EXPR statements with invariant address.
1977
1978 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
1979
1980         PR target/39634
1981         * config.gcc (powerpc64-*-linux*): Always build biarch.
1982
1983 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
1984
1985         PR c/39613
1986         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
1987         it and pedwarn if this results in an INTEGER_CST.
1988
1989 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1990
1991         * doc/install.texi: Update minimum GMP version.  Remove obsolete
1992         text in MPFR section.
1993
1994 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
1995
1996         * dwarf2out.c (class_scope_p): New static inline.
1997         (class_or_namespace_scope_p): Use it.
1998         (gen_variable_die): Use DW_TAG_member tag for static data member
1999         declarations instead of DW_TAG_variable.
2000
2001         PR middle-end/39573
2002         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
2003         variables.
2004
2005 2009-04-08  Richard Guenther  <rguenther@suse.de>
2006
2007         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
2008         valueize random data.
2009
2010 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
2011
2012         * config.gcc (aix tm_file):  Add aix-stdint.h.
2013         (aix tm clause use_gcc_stdint):  Set to wrap.
2014         * config/rs6000/aix-stdint.h:  New file.
2015
2016 2009-04-08  Richard Guenther  <rguenther@suse.de>
2017
2018         PR middle-end/36291
2019         * tree-dfa.c (add_referenced_var): Do not recurse into
2020         global initializers.
2021         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
2022         exposed variables.
2023         (fold_const_aggregate_ref): Likewise.
2024
2025 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
2026
2027         * recog.c (ordered_comparison_operator): New.
2028         * gensupport.c (std_preds): Add it.
2029         * doc/md.texi (Machine-Independent Predicates): Document it.
2030
2031 2009-04-08  Jan Hubicka  <jh@suse.cz>
2032
2033         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
2034         * function.h (rtl_eh): Remove exception_handler_label_map.
2035         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
2036         remove_exception_handler_label, for_each_eh_label_1): Remove.
2037         (rtl_remove_unreachable_regions): Remove.
2038         (convert_from_eh_region_ranges): Do not remove unreachable regions.
2039         (find_exception_handler_labels): Don't build the hashtable.
2040         (maybe_remove_eh_handler): Remove.
2041         (for_each_eh_label): Rewrite to walk the tree.
2042         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
2043         * except.h (maybe_remove_eh_handler): Remove.
2044         * passes.c (init_optimization_passes): Schedule second EH cleanup
2045         before out-of-ssa.
2046         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
2047         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
2048
2049 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
2050
2051         * genoutput.c (validate_optab_operands): New.
2052         (gen_insn, gen_expand): Call it.
2053
2054         * genflags.c (gen_insn): Detect misused iterators.
2055         (main): Pass line_no to gen_insn, exit with status 1 on error.
2056
2057         * genextract.c (line_no): Make global.
2058         (VEC_safe_set_locstr): Change assertion to error message.
2059         (main): Exit with status 1 on error.
2060
2061 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
2062
2063         PR c/39614
2064         PR c/39673
2065         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2066         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2067         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
2068         * c-convert.c (convert): Do not call fold on results of conversion
2069         functions when the result is a C_MAYBE_CONST_EXPR.
2070         * c-parser.c (c_parser_postfix_expression): Do not fold condition
2071         of __builtin_choose_expr.
2072         * c-typeck.c (remove_c_maybe_const_expr): New.
2073         (build_unary_op, build_conditional_expr, build_compound_expr,
2074         build_binary_op, c_objc_common_truthvalue_conversion): Call
2075         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
2076         integer operands.
2077
2078 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
2079
2080         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
2081         CODE to produce a new one. Add a prototype to use fold_convert_const
2082
2083 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
2084
2085         PR bootstrap/39660
2086         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
2087         mix declarations and code.
2088
2089 2009-04-08  Ben Elliston  <bje@au.ibm.com>
2090
2091         * gcc.c: Replace `CC' with `GCC' throughout.
2092
2093 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2094
2095         * doc/invoke.texi: Document Atom support.
2096
2097 2009-04-07  Jason Merrill  <jason@redhat.com>
2098
2099         PR c++/25185
2100         * c-common.h, c-common.c: Add flag_pretty_templates.
2101         * c-opts.c (c_common_handle_option): Set it.
2102         * c.opt: Add -fno-pretty-templates.
2103         * doc/invoke.texi (C++ Dialect Options): Likewise.
2104
2105 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
2106
2107         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
2108         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
2109         (ia64_expand_builtin): Likewise.
2110
2111 2009-04-07  Martin Jambor  <mjambor@suse.cz>
2112
2113         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
2114         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
2115         ADDR_EXPRS are include too.
2116
2117 2009-04-07  Richard Guenther  <rguenther@suse.de>
2118
2119         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
2120         decls are only used if passes as parameters or if they are
2121         local statics and the call is not to a builtin.
2122         (call_may_clobber_ref_p_1): Likewise.
2123
2124 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2125
2126         * expr.c (do_store_flag): Remove last argument.  Simplify code
2127         to avoid duplication of tests already done by can_compare_p.
2128         (expand_expr_real_1): Adjust caller.
2129
2130 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2131
2132         * optabs.c (can_compare_p): Test the predicate of a
2133         cbranch and cstore pattern.
2134
2135 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2136
2137         * expr.c (convert_move): Use emit_store_flag instead of
2138         "emulating" it.
2139
2140 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2141
2142         * config/i386/i386.c (ix86_compare_emitted): Remove.
2143         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
2144         ix86_compare_op0 like ix86_compare_emitted used to be handled.
2145         * config/i386/i386.h (ix86_compare_emitted): Remove.
2146         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
2147         instead of ix86_compare_emitted.
2148         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
2149
2150 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
2151
2152         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
2153         Add t-sysroot-suffix to tmake_file.
2154         * config/print-sysroot-suffix.sh: New file.
2155         * config/t-sysroot-suffix: New file.
2156
2157 2009-04-07  Ben Elliston  <bje@au.ibm.com>
2158
2159         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
2160         as the latter produces a warning when the target does not support
2161         infinity.
2162
2163 2009-04-07  Ben Elliston  <bje@au.ibm.com>
2164
2165         * dfp.c: Replace type punning assignments with memcpy throughout.
2166         * Makefile.in (dfp.o-warn): Remove.
2167
2168 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
2169
2170         PR target/39634
2171         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
2172         Include soft-fp/t-softfp after rs6000/t-linux64.
2173
2174 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2175
2176         * stor-layout.c (set_sizetype): Use the full precision of their
2177         machine mode for bitsize types.
2178
2179 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
2180
2181         * config/i386/i386.md: Revert 2 accidental checkins.
2182
2183 2009-04-06  Joey Ye  <joey.ye@intel.com>
2184             Xuepeng Guo <xuepeng.guo@intel.com>
2185             H.J. Lu  <hongjiu.lu@intel.com>
2186
2187         Atom pipeline model, tuning and insn selection.
2188         * config.gcc (atom): Add atom config options and target.
2189
2190         * config/i386/atom.md: New.
2191
2192         * config/i386/i386.c (atom_cost): New cost.
2193         (m_ATOM): New macro flag.
2194         (initial_ix86_tune_features): Set m_ATOM.
2195         (x86_accumulate_outgoing_args): Likewise.
2196         (x86_arch_always_fancy_math_387): Likewise.
2197         (processor_target): Add Atom cost.
2198         (cpu_names): Add Atom cpu name.
2199         (override_options): Set Atom ISA.
2200         (ix86_issue_rate): New case PROCESSOR_ATOM.
2201         (ix86_adjust_cost): Likewise.
2202
2203         * config/i386/i386.h (TARGET_ATOM): New target macro.
2204         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
2205         (TARGET_OPT_AGU): New target option.
2206         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
2207         (processor_type): Add PROCESSOR_ATOM.
2208
2209         * config/i386/i386.md (cpu): Add new value "atom".
2210         (use_carry, movu): New attr.
2211         (atom.md): Include atom.md.
2212         (adddi3_carry_rex64): Set attr "use_carry".
2213         (addqi3_carry): Likewise.
2214         (addhi3_carry): Likewise.
2215         (addsi3_carry): Likewise.
2216         (*addsi3_carry_zext): Likewise.
2217         (subdi3_carry_rex64): Likewise.
2218         (subqi3_carry): Likewise.
2219         (subhi3_carry): Likewise.
2220         (subsi3_carry): Likewise.
2221         (x86_movdicc_0_m1_rex64): Likewise.
2222         (*x86_movdicc_0_m1_se): Likewise.
2223         (x86_movsicc_0_m1): Likewise.
2224         (*x86_movsicc_0_m1_se): Likewise.
2225         (*adddi_1_rex64): Emit add insn as much as possible.
2226         (*addsi_1): Likewise.
2227         (return_internal): Set atom_unit.
2228         (return_internal_long): Likewise.
2229         (return_pop_internal): Likewise.
2230         (*rcpsf2_sse): Set atom_sse_attr attr.
2231         (*qrt<mode>2_sse): Likewise.
2232         (*prefetch_sse): Likewise.
2233
2234         * config/i386/i386-c.c (ix86_target_macros_internal): New case
2235         PROCESSOR_ATOM.
2236         (ix86_target_macros_internal): Likewise.
2237
2238         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
2239         (*prefetch_sse_rex): Likewise.
2240         (sse_rcpv4sf2): Likewise.
2241         (sse_vmrcpv4sf2): Likewise.
2242         (sse_sqrtv4sf2): Likewise.
2243         (<sse>_vmsqrt<mode>2): Likewise.
2244         (sse_ldmxcsr): Likewise.
2245         (sse_stmxcsr): Likewise.
2246         (*sse_sfence): Likewise.
2247         (sse2_clflush): Likewise.
2248         (*sse2_mfence): Likewise.
2249         (*sse2_lfence): Likewise.
2250         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
2251         (<sse>_movup<ssemodesuffixf2c>): Likewise.
2252         (avx_movdqu<avxmodesuffix>): Likewise.
2253         (avx_lddqu<avxmodesuffix>): Likewise.
2254         (sse2_movntv2di): Change attr "type" to "ssemov".
2255         (sse2_movntsi): Likewise.
2256         (rsqrtv8sf2): Change attr "type" to "sseadd".
2257         (sse3_addsubv2df3): Set attr "atom_unit".
2258         (sse3_h<plusminus_insn>v4sf3): Likewise.
2259         (*sse2_pmaddwd): Likewise.
2260         (*vec_extractv2di_1_rex64): Likewise.
2261         (*vec_extractv2di_1_avx): Likewise.
2262         (sse2_psadbw): Likewise.
2263         (ssse3_phaddwv8hi3): Likewise.
2264         (ssse3_phaddwv4hi3): Likewise.
2265         (ssse3_phadddv4si3): Likewise.
2266         (ssse3_phadddv2si3): Likewise.
2267         (ssse3_phaddswv8hi3): Likewise.
2268         (ssse3_phaddswv4hi3): Likewise.
2269         (ssse3_phsubwv8hi3): Likewise.
2270         (ssse3_phsubwv4hi3): Likewise.
2271         (ssse3_phsubdv4si3): Likewise.
2272         (ssse3_phsubdv2si3): Likewise.
2273         (ssse3_phsubswv8hi3): Likewise.
2274         (ssse3_phsubswv4hi3): Likewise.
2275         (ssse3_pmaddubsw128): Likewise.
2276         (sse3_pmaddubsw: Likewise.
2277         (ssse3_palignrti): Likewise.
2278         (ssse3_palignrdi): Likewise.
2279
2280 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
2281
2282         * doc/install.texi (Specific): Fix two cross-references to MinGW.
2283
2284 2009-04-06  Richard Guenther  <rguenther@suse.de>
2285
2286         PR tree-optimization/28868
2287         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
2288         of which PHI results we inserted.
2289         (insert_into_preds_of_block): Record inserted PHIs.
2290         (eliminate): Eliminate redundant PHI nodes.
2291         (init_pre): Init inserted_phi_names.
2292
2293 2009-04-06  Richard Guenther  <rguenther@suse.de>
2294
2295         PR tree-optimization/39643
2296         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
2297         IMAGPART_EXPRs of complex constants.
2298         (execute_fold_all_builtins): If we folded a call queue
2299         TODO_update_address_taken.
2300
2301 2009-04-06  Jan Hubicka  <jh@suse.cz>
2302
2303         PR middle-end/39659
2304         * except.c (remove_unreachable_regions): Propagate may_contain_throw
2305         flag.
2306
2307 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
2308
2309         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
2310         delay slot.
2311         (ic_invalidate_array): Likewise.
2312
2313 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
2314
2315         * calls.c (emit_library_call_value_1): Fix a problem with parameter
2316         alignment for library calls.
2317
2318 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
2319
2320         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
2321         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
2322         * config/i386/mingw-stdint.h:  New file.
2323
2324 2009-04-05  Richard Guenther  <rguenther@suse.de>
2325
2326         PR tree-optimization/39648
2327         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
2328         our &A vs. &A[0] IL deficiencies.
2329
2330 2009-04-04  Jan Hubicka  <jh@suse.cz>
2331
2332         * except.c (sjlj_find_directly_reachable_regions): Be ready for
2333         removed toplevel regions.
2334         (sjlj_mark_call_sites): Likewise.
2335
2336 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
2337
2338         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
2339         (cygwin tm clause use_gcc_stdint):  Set to wrap.
2340         * config/i386/cygwin-stdint.h:  New file.
2341
2342 2009-04-04  Richard Guenther  <rguenther@suse.de>
2343
2344         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
2345         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
2346         single-argument PHIs if we are in loop-closed SSA form.
2347         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
2348         for the pre-condition.
2349         (slpeel_tree_peel_loop_to_edge): Likewise.
2350         (vect_build_loop_niters): Take an optional sequence to append stmts.
2351         (vect_generate_tmps_on_preheader): Likewise.
2352         (vect_do_peeling_for_loop_bound): Take extra guards for the
2353         pre-condition.
2354         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
2355         the cost model check.
2356         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
2357         guards if we are going to peel.  Do not apply versioning in that case.
2358         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
2359         (vect_do_peeling_for_loop_bound): Likewise.
2360         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
2361         loop bound only record extra pre-conditions, do not apply loop
2362         versioning.
2363
2364 2009-04-04  Richard Guenther  <rguenther@suse.de>
2365
2366         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
2367         renaming code.
2368
2369 2009-04-04  Jan Hubicka  <jh@suse.cz>
2370
2371         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
2372         last_basic_block for size of bb->index indexed array.
2373         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
2374         compute_out, link_btr_uses, build_btr_def_use_webs,
2375         build_btr_def_use_webs, migrate_btr_defs): Likewise.
2376
2377 2009-04-04  Jan Hubicka  <jh@suse.cz>
2378
2379         * except.c (remove_eh_handler_and_replace): Break out from ...
2380         (remove_eh_handler): ... here.
2381         (bring_to_root): New function.
2382         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
2383         handled ones, bring others to root of tree.
2384
2385 2009-04-04  Jan Hubicka  <jh@suse.cz>
2386
2387         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
2388         (all_phis_safe_to_merge): New function.
2389         (update_info): New structure.
2390         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
2391         (cleanup_empty_eh): Update SSA if possible.
2392
2393 2009-04-04  Richard Guenther  <rguenther@suse.de>
2394
2395         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
2396         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
2397         (append_vuse): Likewise.
2398
2399 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
2400
2401         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
2402         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
2403         instead of REG_UNSAVED for DW_CFA_undefined.
2404         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
2405         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
2406         outermost frame.
2407
2408 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
2409
2410         PR target/39501
2411         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
2412         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
2413         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
2414
2415 2009-04-04  Richard Guenther  <rguenther@suse.de>
2416
2417         PR tree-optimization/8781
2418         PR tree-optimization/37892
2419         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
2420         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
2421         (valueize_refs): Call it for *& valueizations.
2422         (shared_reference_ops_from_ref): Rename to ...
2423         (valueize_shared_reference_ops_from_ref): ... this and valueize.
2424         (shared_reference_ops_from_call): Rename to ...
2425         (valueize_shared_reference_ops_from_call): ... this and valueize.
2426         (vn_reference_lookup): Update.
2427         (visit_reference_op_call): Likewise.
2428         * tree-ssa-pre.c (phi_translate_1): Fold *&.
2429         (eliminate): Value-replace the call address in call statements.
2430
2431 2009-04-04  Richard Guenther  <rguenther@suse.de>
2432
2433         PR tree-optimization/39636
2434         * tree-ssa-forwprop.c
2435         (forward_propagate_addr_into_variable_array_index): Check for
2436         GIMPLE_ASSIGN before accessing the rhs code.
2437
2438 2009-04-03  Jason Merrill  <jason@redhat.com>
2439
2440         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
2441
2442 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
2443
2444         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
2445         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
2446         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
2447         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
2448         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
2449         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
2450         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
2451         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
2452         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
2453         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
2454         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
2455         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
2456         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
2457         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
2458         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
2459         Use fr_reg_or_fp01_operand instead of fr_register_operand
2460
2461         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
2462         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
2463         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
2464
2465 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
2466
2467         PR rtl-optimization/39607
2468         PR rtl-optimization/39631
2469
2470         Revert:
2471
2472         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2473         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2474         instead of DF_LR_OUT.
2475         * ira-lives.c (process_bb_node_lives): Ditto.
2476         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2477         instead of DF_LR_{OUT,IN}.
2478         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2479         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2480
2481 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
2482
2483         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
2484         (execute_lower_omp): Always run but take the short way out if -fopenmp
2485         is not given.
2486         (gate_lower_omp): Remove, forcing the pass manager to always run the
2487         pass and always set PROP_gimple_lomp.
2488         (pass_lower_omp): Remove gate function.
2489         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
2490         PROP_trees.  Instead, require it.
2491         * ipa-cp.c (pass_ipa_cp): Likewise.
2492         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
2493         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
2494         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
2495         and PROP_gimple_leh.
2496
2497 2009-04-03  Richard Guenther  <rguenther@suse.de>
2498
2499         PR middle-end/13146
2500         PR tree-optimization/23940
2501         PR tree-optimization/33237
2502         PR middle-end/33974
2503         PR middle-end/34093
2504         PR tree-optimization/36201
2505         PR tree-optimization/36230
2506         PR tree-optimization/38049
2507         PR tree-optimization/38207
2508         PR tree-optimization/38230
2509         PR tree-optimization/38301
2510         PR tree-optimization/38585
2511         PR middle-end/38895
2512         PR tree-optimization/38985
2513         PR tree-optimization/39299
2514         * tree-ssa-structalias.h: Remove.
2515         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
2516         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
2517         (struct vuse_element_d): Remove.
2518         (struct vuse_vec_d): Likewise.
2519         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
2520         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
2521         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
2522         VUSE_ELEMENT_VAR): Likewise.
2523         (struct voptype_d): Likewise.
2524         (NUM_VOP_FREE_BUCKETS): Likewise.
2525         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
2526         (struct stmt_operands_d): Remove.
2527         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
2528         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
2529         VDEF_NUM, VDEF_VECT): Likewise.
2530         (copy_virtual_operands): Remove.
2531         (operand_build_cmp): Likewise.
2532         (create_ssa_artificial_load_stmt): Likewise.
2533         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
2534         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
2535         vuse_index and mayuse_index members.  Pack and move done and iter_type
2536         members to the front.
2537         (SSA_OP_VMAYUSE): Remove.
2538         (SSA_OP_VIRTUAL_USES): Adjust.
2539         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
2540         (unlink_stmt_vdef): Declare.
2541         (add_to_addressable_set): Remove.
2542         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
2543         (vrp_visit_stmt): Likewise.
2544         * doc/tree-ssa.texi (Alias analysis): Update.
2545         * doc/invoke.texi (max-aliased-vops): Remove docs.
2546         (avg-aliased-vops): Likewise.
2547         * tree-into-ssa.c (syms_to_rename): Remove.
2548         (need_to_update_vops_p): Likewise.
2549         (need_to_initialize_update_ssa_p): Rename to ...
2550         (update_ssa_initialized_fn): ... this.  Track function we are
2551         initialized for.
2552         (symbol_marked_for_renaming): Simplify.
2553         (add_new_name_mapping): Do not set need_to_update_vops_p.
2554         (dump_currdefs): Use SYMS_TO_RENAME.
2555         (rewrite_update_stmt): Always walk all uses/defs.
2556         (dump_update_ssa): Adjust.
2557         (init_update_ssa): Take function argument.  Track what we are
2558         initialized for.
2559         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
2560         (create_new_def_for): Initialize for cfun, assert we are initialized
2561         for cfun.
2562         (mark_sym_for_renaming): Simplify.
2563         (mark_set_for_renaming): Do not initialize update-ssa.
2564         (need_ssa_update_p): Simplify.  Take function argument.
2565         (name_mappings_registered_p): Assert we ask for the correct function.
2566         (name_registered_for_update_p): Likewise.
2567         (ssa_names_to_replace): Likewise.
2568         (release_ssa_name_after_update_ssa): Likewise.
2569         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
2570         (dump_decl_set): Do not print a newline.
2571         (debug_decl_set): Do it here.
2572         (dump_update_ssa): And here.
2573         * tree-ssa-loop-im.c (move_computations): Adjust.
2574         (movement_possibility): Likewise.
2575         (determine_max_movement): Likewise.
2576         (gather_mem_refs_stmt): Likewise.
2577         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
2578         or NAME_MEMORY_TAG.
2579         * tree-complex.c (update_all_vops): Remove.
2580         (expand_complex_move): Adjust.
2581         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
2582         Simplify test for memory referencing statement.  Exclude
2583         non-invariant ADDR_EXPRs.
2584         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
2585         * tree-loop-distribution.c (generate_memset_zero): Adjust.
2586         (rdg_flag_uses): Likewise.
2587         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
2588         related code.
2589         (tree_optimize_tail_calls_1): Also split the
2590         edge from the entry block if we have degenerate PHI nodes in
2591         the first basic block.
2592         * tree.c (init_ttree): Remove memory-tag related code.
2593         (tree_code_size): Likewise.
2594         (tree_node_structure): Likewise.
2595         (build7_stat): Re-write to be build6_stat.
2596         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
2597         (SSA_VAR_P): Adjust.
2598         (struct tree_memory_tag): Remove.
2599         (struct tree_memory_partition_tag): Likewise.
2600         (union tree_node): Adjust.
2601         (build7): Re-write to be build6.
2602         * tree-pass.h (pass_reset_cc_flags): Remove.
2603         (TODO_update_address_taken): New flag.
2604         (pass_simple_dse): Remove.
2605         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
2606         * params.h (MAX_ALIASED_VOPS): Remove.
2607         (AVG_ALIASED_VOPS): Likewise.
2608         * omp-low.c (expand_omp_taskreg): Update SSA form.
2609         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
2610         aliases the lhs in a copy stmt.
2611         * tree-ssa-dse.c (struct address_walk_data): Remove.
2612         (memory_ssa_name_same): Likewise.
2613         (memory_address_same): Likewise.
2614         (get_kill_of_stmt_lhs): Likewise.
2615         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
2616         unused stores.  Look through PHI nodes into post-dominated regions.
2617         (dse_optimize_stmt): Simplify.  Properly remove stores.
2618         (tree_ssa_dse): Compute dominators.
2619         (execute_simple_dse): Remove.
2620         (pass_simple_dse): Likewise.
2621         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
2622         gimple_loaded_syms and gimple_stored_syms computation.
2623         * toplev.c (dump_memory_report): Dump alias and pta stats.
2624         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
2625         (vn_reference_eq): Likewise.
2626         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
2627         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
2628         valueize_vuses): Remove.
2629         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
2630         (get_def_ref_stmt_vuse): ... this.
2631         (vn_reference_lookup_2): New function.
2632         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
2633         walking equivalent vuses.  Simplify.
2634         (vn_reference_lookup): Likewise.
2635         (vn_reference_insert): Likewise.
2636         (vn_reference_insert_pieces): Likewise.
2637         (visit_reference_op_call): Simplify.
2638         (visit_reference_op_load): Likewise.
2639         (visit_reference_op_store): Likewise.
2640         (init_scc_vn): Remove shared_lookup_vuses initialization.
2641         (free_scc_vn): Remove shared_lookup_vuses freeing.
2642         (sort_vuses, sort_vuses_heap): Remove.
2643         (get_ref_from_reference_ops): Export.
2644         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
2645         vector with single vuse pointer.
2646         (vn_reference_lookup_pieces, vn_reference_lookup,
2647         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
2648         (shared_vuses_from_stmt): Remove.
2649         (get_ref_from_reference_ops): Declare.
2650         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
2651         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
2652         memory-tag related code.
2653         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
2654         (likely_value): Add comment, skip static-chain of call statements.
2655         (surely_varying_stmt_p): Adjust.
2656         (gimplify_and_update_call_from_tree): Likewise.
2657         (execute_fold_all_builtins): Do not rebuild alias info.
2658         (gimplify_and_update_call_from_tree): Properly update VOPs.
2659         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
2660         (copy_ref_info): Remove memory-tag related code.
2661         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
2662         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
2663         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
2664         computation.
2665         * tree-ssa-dom.c (gimple_p): Remove typedef.
2666         (eliminate_redundant_computations): Adjust.
2667         (record_equivalences_from_stmt): Likewise.
2668         (avail_expr_hash): Likewise.
2669         (avail_expr_eq): Likewise.
2670         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2671         (stmt_makes_single_load): Likewise.
2672         (stmt_makes_single_store): Likewise.
2673         * tree-ssa-alias.c: Rewrite completely.
2674         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2675         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2676         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2677         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2678         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2679         Remove public functions.
2680         (pass_reset_cc_flags): Remove.
2681         (pass_build_alias): Move ...
2682         * tree-ssa-structalias.c (pass_build_alias): ... here.
2683         * tree-ssa-alias.c (may_be_aliased): Move ...
2684         * tree-flow-inline.h (may_be_aliased): ... here.
2685         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2686         count_uses_and_derefs): Move ...
2687         * gimple.c: ... here.
2688         * gimple.h (count_uses_and_derefs): Declare.
2689         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2690         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2691         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2692         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2693         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2694         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2695         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2696         New functions.
2697         * tree-dfa.c (refs_may_alias_p): Move ...
2698         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2699         * tree-ssa-alias.h: New file.
2700         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2701         (statement_sink_location): Likewise.
2702         * opts.c (decode_options): Do not adjust max-aliased-vops or
2703         avg-aliased-vops values.
2704         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2705         (TV_CALL_CLOBBER): Likewise.
2706         (TV_FLOW_SENSITIVE): Likewise.
2707         (TV_FLOW_INSENSITIVE): Likewise.
2708         (TV_MEMORY_PARTITIONING): Likewise.
2709         (TV_ALIAS_STMT_WALK): New timevar.
2710         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2711         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2712         (get_address_description): Remove memory-tag related code.
2713         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2714         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2715         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2716         and immediate uses in statements.  Document.
2717         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2718         (dump_symbols): Remove.
2719         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2720         * alias.c (get_deref_alias_set): New function split out from ...
2721         (get_alias_set): ... here.
2722         * alias.h (get_deref_alias_set): Declare.
2723         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2724         type parameter.  Remove restrict pointer handling.  Create a
2725         ref-all pointer in case type-based alias sets do not conflict.
2726         (vect_analyze_data_refs): Remove SMT related code.
2727         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2728         (vectorizable_load): Likewise.
2729         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2730         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2731         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2732         Ignore vops and SMTs.
2733         (dr_analyze_alias): Likewise..
2734         (free_data_ref): Likewise.
2735         (create_data_ref): Likewise.
2736         (analyze_all_data_dependences): Likewise.
2737         (get_references_in_stmt): Adjust.
2738         * tree-flow-inline.h (gimple_aliases_computed_p,
2739         gimple_addressable_vars, gimple_call_clobbered_vars,
2740         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2741         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2742         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2743         gimple_mem_ref_stats): Remove.
2744         (gimple_vop): New function.
2745         (op_iter_next_use): Remove vuses and mayuses cases.
2746         (op_iter_next_def): Remove vdefs case.
2747         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2748         (clear_and_done_ssa_iter): Do not set removed fields.
2749         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2750         Assert we are not iterating over vuses or vdefs if not also
2751         iterating over uses or defs.
2752         (op_iter_init_use): Likewise.
2753         (op_iter_init_def): Likewise.
2754         (op_iter_next_vdef): Remove.
2755         (op_iter_next_mustdef): Likewise.
2756         (op_iter_init_vdef): Likewise.
2757         (compare_ssa_operands_equal): Likewise.
2758         (link_use_stmts_after): Handle vuse operand.
2759         (is_call_used): Use is_call_clobbered.
2760         (is_call_clobbered): Global variables are always call clobbered,
2761         query the call-clobbers bitmap.
2762         (mark_call_clobbered): Ignore global variables.
2763         (clear_call_clobbered): Likewise.
2764         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2765         virtual operands sanity check.
2766         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2767         Remove.
2768         (TARGET_MEM_REF): Remove TMR_TAG operand.
2769         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2770         Remove call-clobber related code.
2771         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2772         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2773         partitions or escape reason.
2774         (get_single_def_stmt, get_single_def_stmt_from_phi,
2775         get_single_def_stmt_with_phi): Remove.
2776         (dump_referenced_vars): Tidy.
2777         (get_ref_base_and_extent): Allow bare decls.
2778         (collect_dfa_stats): Adjust.
2779         * graphite.c (rename_variables_in_stmt): Adjust.
2780         (graphite_copy_stmts_from_block): Likewise.
2781         (translate_clast): Likewise.
2782         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2783         (EXPR_DIES): New.
2784         (translate_vuse_through_block): Use the oracle.
2785         (phi_translate_1): Adjust.
2786         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2787         in EXPR_DIES.
2788         (valid_in_sets): Check if the VUSE for
2789         a REFERENCE is available.
2790         (eliminate): Do not remove stmts during elimination,
2791         instead queue and remove them afterwards.
2792         (do_pre): Do not rebuild alias info.
2793         (pass_pre): Run TODO_rebuild_alias before PRE.
2794         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2795         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2796         (mark_all_v_defs_stmt): Remove.
2797         (mark_all_v_defs_seq): Adjust.
2798         (sra_replace): Likewise.
2799         (scalarize_use): Likewise.
2800         (scalarize_copy): Likewise.
2801         (scalarize_init): Likewise.
2802         (scalarize_ldst): Likewise.
2803         (todoflags): Remove.
2804         (tree_sra): Do not rebuild alias info.
2805         (tree_sra_early): Adjust.
2806         (pass_sra): Run TODO_update_address_taken before SRA.
2807         * tree-predcom.c (set_alias_info): Remove.
2808         (prepare_initializers_chain): Do not call it.
2809         (mark_virtual_ops_for_renaming): Adjust.
2810         (mark_virtual_ops_for_renaming_list): Remove.
2811         (initialize_root_vars): Adjust.
2812         (initialize_root_vars_lm): Likewise.
2813         (prepare_initializers_chain): Likewise.
2814         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2815         (may_propagate_copy_into_stmt): Likewise.
2816         (merge_alias_info): Do nothing for now.
2817         (propagate_tree_value_into_stmt): Adjust.
2818         (stmt_may_generate_copy): Likewise.
2819         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2820         not mark symbols for renaming.
2821         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2822         with the same statement, make sure to update the new pointed-to one.
2823         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2824         call statements, do not mark symbols for renaming.
2825         (mark_operand_necessary): Dump something.
2826         (ref_may_be_aliased): New function.
2827         (mark_aliased_reaching_defs_necessary_1): New helper function.
2828         (mark_aliased_reaching_defs_necessary): Likewise.
2829         (mark_all_reaching_defs_necessary_1): Likewise.
2830         (mark_all_reaching_defs_necessary): Likewise.
2831         (propagate_necessity): Do not process virtual PHIs.  For
2832         non-aliased loads mark all reaching definitions as necessary.
2833         For aliased loads and stores mark the immediate dominating
2834         aliased clobbers as necessary.
2835         (visited): New global static.
2836         (perform_tree_ssa_dce): Free visited bitmap after propagating
2837         necessity.
2838         (remove_dead_phis): Perform simple dead virtual PHI removal.
2839         (remove_dead_stmt): Properly unlink virtual operands when
2840         removing stores.
2841         (eliminate_unnecessary_stmts): Schedule PHI removal after
2842         stmt removal.
2843         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2844         (process_replaceable): Likewise.
2845         (find_replaceable_in_bb): Likewise.
2846         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2847         based on the single gimple vop.
2848         (verify_flow_insensitive_alias_info): Remove.
2849         (verify_flow_sensitive_alias_info): Likewise.
2850         (verify_call_clobbering): Likewise.
2851         (verify_memory_partitions): Likewise.
2852         (verify_alias_info): Likewise.
2853         (verify_ssa): Adjust..
2854         (execute_update_addresses_taken): Export.  Update SSA
2855         manually.  Optimize only when optimizing.  Use a local bitmap.
2856         (pass_update_address_taken): Remove TODO_update_ssa, add
2857         TODO_dump_func.
2858         (pass_update_address_taken): Just use TODO_update_address_taken.
2859         (init_tree_ssa): Do not initialize addressable_vars.
2860         (verify_ssa): Verify new VUSE / VDEF properties.
2861         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2862         Do not call verify_alias_info.
2863         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2864         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2865         and callused solutions.  Do not free addressable_vars.
2866         Remove memory-tag related code.
2867         (warn_uninitialized_var): Aliases are always available.
2868         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2869         * lambda-code.c (can_put_in_inner_loop): Adjust.
2870         (can_put_after_inner_loop): Likewise.
2871         (perfect_nestify): Likewise.
2872         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2873         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2874         (vectorizable_conversion): Do not mark symbols for renaming.
2875         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2876         (expand_call_inline): Unlink the calls virtual operands before
2877         replacing it.
2878         (tree_function_versioning): Do not call update_ssa if we are not
2879         updating clones.  Simplify.
2880         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2881         (propagate_with_phi): Likewise..
2882         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2883         clobber code.  Assert we are not aliased or global.
2884         * tree-flow.h: Include tree-ssa-alias.h
2885         (enum escape_type): Remove.
2886         (struct mem_sym_stats_d): Likewise.
2887         (struct mem_ref_stats_d): Likewise.
2888         (struct gimple_df): Add vop member.  Remove global_var,
2889         call_clobbered_vars, call_used_vars, addressable_vars,
2890         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2891         escaped and callused members.
2892         (struct ptr_info_def): Remove all members, add points-to solution
2893         member pt.
2894         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2895         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2896         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2897         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2898         (tree-ssa-alias.o): Likewise.
2899         (toplev.o): Add tree-ssa-alias.h
2900         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2901         * gimple.c (gimple_set_bb): Fix off-by-one error.
2902         (is_gimple_reg): Do not handle memory tags.
2903         (gimple_copy): Also copy virtual operands.
2904         Delay updating the statement.  Do not reset loaded and stored syms.
2905         (gimple_set_stored_syms): Remove.
2906         (gimple_set_loaded_syms): Likewise.
2907         (gimple_call_copy_skip_args): Copy the virtual operands
2908         and mark the new statement modified.
2909         * tree-ssa-structalias.c (may_alias_p): Remove.
2910         (set_uids_in_ptset): Take the alias set to prune with as
2911         parameter.  Fold in the alias test of may_alias_p.
2912         (compute_points_to_sets): Compute whether a ptr is dereferenced
2913         in a local sbitmap.
2914         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2915         other ADDRESSOF constraints on the lhs.
2916         (get_constraint_for_component_ref): Assert that we don't get
2917         ADDRESSOF constraints from the base of the reference.
2918         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2919         (struct variable_info): Remove collapsed_to member.
2920         (get_varinfo_fc): Remove.
2921         (new_var_info): Do not set collapsed_to.
2922         (dump_constraint): Do not follow cycles.
2923         (dump_constraint_graph): Likewise.
2924         (build_pred_graph): Likewise.
2925         (build_succ_graph): Likewise.
2926         (rewrite_constraints): Likewise.
2927         (do_simple_structure_copy): Remove.
2928         (do_rhs_deref_structure_copy): Remove.
2929         (do_lhs_deref_structure_copy): Remove.
2930         (collapse_rest_of_var): Remove.
2931         (do_structure_copy): Re-implement.
2932         (pta_stats): New global variable.
2933         (dump_pta_stats): New function.
2934         (struct constraint_expr): Make offset signed.
2935         (UNKNOWN_OFFSET): Define special value.
2936         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2937         (solution_set_expand): New helper function split out from ...
2938         (do_sd_constraint): ... here.
2939         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2940         (do_ds_constraint): Likewise.
2941         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2942         and CALLUSED = *CALLUSED.
2943         (set_union_with_increment): Make inc argument signed.
2944         (type_safe): Remove.
2945         (get_constraint_for_ptr_offset): Handle unknown and negative
2946         constant offsets.
2947         (first_vi_for_offset): Handle offsets before start.  Bail
2948         out early for offsets beyond the variable extent.
2949         (first_or_preceding_vi_for_offset): New function.
2950         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2951         Together with ESCAPED = *ESCAPED this properly computes reachability.
2952         (find_what_var_points_to): New function.
2953         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2954         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2955         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2956         pt_solutions_intersect): New functions.
2957         (compute_call_used_vars): Remove.
2958         (compute_may_aliases): New main entry into PTA computation.
2959         * gimple.h (gimple_p): New typedef.
2960         (struct gimple_statement_base): Remove references_memory_p.
2961         (struct gimple_statement_with_memory_ops_base): Remove
2962         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2963         members.
2964         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2965         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2966         gimple_set_references_memory): Remove.
2967         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2968         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2969         New functions.
2970         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2971         (verify_expr): Allow RESULT_DECL.
2972         (gimple_duplicate_bb): Do not copy virtual operands.
2973         (gimple_duplicate_sese_region): Adjust.
2974         (gimple_duplicate_sese_tail): Likewise.
2975         (mark_virtual_ops_in_region): Remove.
2976         (move_sese_region_to_fn): Do not call it.
2977         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
2978         and pass_simple_dse.
2979         (execute_function_todo): Handle TODO_update_address_taken,
2980         call execute_update_addresses_taken for TODO_rebuild_alias.
2981         (execute_todo): Adjust.
2982         (execute_one_pass): Init dump files early.
2983         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
2984         call-clobbered.
2985         (create_general_new_stmt): Clear vops.
2986         * tree-ssa-reassoc.c (get_rank): Adjust.
2987         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
2988         symbols for renaming.
2989         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
2990         (PARAM_AVG_ALIASED_VOPS): Likewise.
2991         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
2992         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
2993         * tree-ssa-operands.c: Simplify for new virtual operand representation.
2994         (operand_build_cmp, copy_virtual_operands,
2995         create_ssa_artificial_load_stmt, add_to_addressable_set,
2996         gimple_add_to_addresses_taken): Remove public functions.
2997         (unlink_stmt_vdef): New function.
2998
2999 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
3000
3001         * config.gcc (powerpc-*-linux*): Merge variants.
3002
3003 2009-04-02  Chao-ying Fu  <fu@mips.com>
3004             James Grosbach <james.grosbach@microchip.com>
3005
3006         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
3007         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
3008         cop0_sp_offset.
3009         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
3010         keep_interrupts_masked_p, use_debug_exception_return_p.
3011         (mips_attribute_table): Add interrupt, use_shadow_register_set,
3012         keep_interrupts_masked, use_debug_exception_return.
3013         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
3014         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
3015         New functions.
3016         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
3017         (mips_print_operand): Process COP0 registers to print $0 .. $31
3018         correctly for GAS to process.
3019         (mips_interrupt_extra_call_saved_reg_p): New function.
3020         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
3021         extra registers.
3022         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
3023         (mips_compute_frame_info): Add supports for interrupt context that
3024         includes doubleword accumulators and COP0 registers.
3025         (mips_for_each_saved_acc): New function.
3026         (mips_for_each_saved_gpr_and_fpr): Change the function name from
3027         mips_for_each_saved_reg.
3028         (mips_save_reg): Save accumulators.
3029         (mips_kernel_reg_p): A new for_each_rtx callback.
3030         (mips_expand_prologue): Support interrupt handlers.
3031         (mips_restore_reg): Restore accumulators.
3032         (mips_expand_epilogue): Support interrupt handlers.
3033         (mips_can_use_return_insn): Return false for interrupt handlers.
3034         (mips_epilogue_uses): New function.
3035         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
3036         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
3037         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
3038         cop0_move): New instructions.
3039         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
3040         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
3041         defines.
3042         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
3043         New defines.
3044         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
3045         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
3046         interrupt handlers, we use K0 as the temporary register.
3047         (EPILOGUE_USES): Change to a function call.
3048         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
3049         handlers, we use K0 as the temporary register.
3050
3051         * doc/extend.texi (Function Attributes): Document interrupt,
3052         use_shadow_register_set, keep_interrupts_masked,
3053         use_debug_exception_return for MIPS attributes.
3054
3055 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
3056
3057         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
3058         Remove a number of t-files from tmake_file.
3059         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
3060         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
3061         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
3062         target_prototype, not TARGET_PROTOTYPE.
3063         (LINK_OS_GNU_SPEC): Define.
3064         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
3065         and darwin-ldoubdle.c.
3066
3067 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3068
3069         PR driver/39293
3070         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
3071         (cpp_options): Ditto.
3072         (default_compilers): Ditto.
3073         (display_help): Ditto.
3074         (process_command): Ditto.
3075         (do_spec_1): Ditto.
3076         (set_input): Use lbasename instead of duplicate code.
3077         (save_temps_prefix): New static for -save-temps=obj.
3078         (save_temps_length): Ditto.
3079
3080         * doc/invoke.texi (-save-temps=obj): Document new variant to
3081         -save-temps switch.
3082
3083 2009-04-02  Jeff Law  <law@redhat.com>
3084
3085         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
3086         variable.
3087
3088 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
3089
3090         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
3091         * configure: Regenerated.
3092
3093 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3094
3095         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
3096         share the argument list.
3097
3098 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3099
3100         Merge
3101
3102         2009-02-12  Diego Novillo  <dnovillo@google.com>
3103
3104         * varpool.c (debug_varpool): New.
3105         * cgraph.h (debug_varpool): Declare.
3106
3107 2009-04-02  Jan Hubicka  <jh@suse.cz>
3108
3109         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
3110         pass.
3111
3112 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
3113
3114         * config/i386/i386.c (ix86_abi): Move initialization to ...
3115         (override_options): Here.
3116
3117 2009-04-02  Christian Bruel  <christian.bruel@st.com>
3118
3119         * config/sh/sh.c (sh_dwarf_register_span): New function.
3120         (TARGET_DWARF_REGISTER_SPAN): Define.
3121         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
3122
3123 2009-04-02  Ira Rosen  <irar@il.ibm.com>
3124
3125         PR tree-optimization/39595
3126         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
3127         interleaved loads group is not  greater than the SLP group size.
3128
3129 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3130
3131         * builtins.c (is_builtin_name): New.
3132         (called_as_built_in): Use is_builtin_name.
3133         * tree.h (is_builtin_name): New.
3134         * varasm.c (incorporeal_function_p): Use is_builtin_name
3135
3136 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
3137
3138         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
3139
3140 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
3141
3142         PR c++/26693
3143         * c-decl.c (clone_underlying_type): Move this ...
3144         * c-common.c (set_underlying_type): ... here.
3145         Also, make sure the function properly sets TYPE_STUB_DECL() on
3146         the newly created typedef variant type.
3147         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
3148         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
3149         points.
3150
3151 2009-04-02  Richard Guenther  <rguenther@suse.de>
3152
3153         PR tree-optimization/37221
3154         * tree-flow.h (degenerate_phi_result): Declare.
3155         * tree-ssa-dom.c (degenerate_phi_result): Export.
3156         * tree-scalar-evolution.c (analyze_initial_condition): If
3157         the initial condition is defined by a degenerate PHI node
3158         use the degenerate value.
3159
3160 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
3161
3162         PR rtl-optimization/39588
3163         * combine.c (merge_outer_ops): Do not set the constant when this
3164         is not necessary.
3165         (simplify_shift_const_1): Do not modify it either in this case.
3166
3167 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3168
3169         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
3170         tuning is deprecated if -mtune value is set to an Itanium1 variant.
3171
3172 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
3173
3174         PR c/29027
3175         * c-lex.c (interpret_float): Default (no suffix) is double.
3176
3177 2009-04-1  Xinliang David Li  <davidxl@google.com>
3178
3179         * config/i386/i386.c (legitimate_constant_p): Recognize
3180         all one vector constant.
3181
3182 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3183
3184         * gcc/config/vax/vax.c: Add #includes to silence warnings.
3185         Change #include order to silence two warnings.
3186
3187 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3188
3189         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
3190         (ASM_SPEC): Pass -k to the assembler for PIC code.
3191
3192 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3193
3194         * gcc/config.gcc: Add vax-*-linux* to the switch.
3195         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
3196         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
3197
3198 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3199
3200         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
3201         Use predicate macros instead of GET_CODE() == foo.
3202         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
3203         ashlsi3, rotrsi3, <unnamed>): Likewise.
3204
3205 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3206
3207         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
3208         jbbccihi, jbbccisi): Remova trailing whitespace.
3209         * gcc/config/vax/constraints.md: Likewise.
3210         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3211         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
3212         * gcc/config/vax/predicates.md: Likewise.
3213         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
3214         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
3215         * gcc/config/vax/vax.h: Likewise.
3216         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
3217
3218 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3219
3220         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
3221         (indirectable_address_p, adjacent_operands_p): Add spaces around
3222         braces.
3223         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
3224
3225 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3226
3227         * gcc/config/vax/vax.c (legitimate_constant_address_p,
3228         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
3229         index_term_p, reg_plus_index_p, legitimate_address_p,
3230         vax_mode_dependent_address_p): Update comments to match functions
3231         modified by the recent int->bool conversion.
3232
3233 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3234
3235         * gcc/config/vax/builtins.md: Update copyright message.
3236         * gcc/config/vax/constraints.md: Likewise.
3237         * gcc/config/vax/netbsd-elf.h: Likewise.
3238         * gcc/config/vax/predicates.md: Likewise.
3239         * gcc/config/vax/vax-protos.h: Likewise.
3240         * gcc/config/vax/vax.c: Likewise.
3241         * gcc/config/vax/vax.h: Likewise.
3242         * gcc/config/vax/vax.md: Likewise.
3243         * gcc/config/vax/vax.opt: Likewise.
3244
3245 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3246
3247         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
3248         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
3249         * gcc/config/vax/constraints.md (B, R): Likewise.
3250         * gcc/config/vax/predicates.md (external_memory_operand,
3251         nonimmediate_addsub_di_operand): Likewise.
3252         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
3253         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
3254         untyped_call): Likewise.
3255
3256 2009-04-01  Matt Thomas <matt@3am-software.com>
3257
3258         * config/vax/predicates.md: New file.
3259         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
3260         external_const_operand, nonsymbolic_operand, external_memory_operand,
3261         indirect_memory_operand, indexed_memory_operand,
3262         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
3263         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
3264         predicate.
3265         * config/vax/constraints.md: New file.
3266         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
3267         New constraint.
3268         * config/vax/builtins.md: New file.
3269         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
3270         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
3271         jbbccisi): Define.
3272         * config/vax/vax.opt (mqmath): Add option.
3273         * config/vax/vax.md (isfx): Extend with DI.
3274         (VAXintQH, VAXintQHSD): Define.
3275         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
3276         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
3277         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
3278         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
3279         (movdi): Update constraints and use vax_output_int_move().
3280         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
3281         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
3282         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
3283         nonlocal_goto): New.
3284         (mov<mode>): Extend accepted operand types.
3285         (subdi3_old): Rename from subdi3, change update constraints and use
3286         a new implementation.
3287         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
3288         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
3289         MOVE_RATIO, CLEAR_RATIO): Define.
3290         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
3291         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3292         (PRINT_OPERAND): Redefine using a function instead of inlined code.
3293         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
3294         (split_quadword_operands): Make static and really allow variable
3295         splitting.
3296         (print_operand_address): Update for PIC generation.
3297         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
3298         indexable_address_p, fixup_mathdi_operand,
3299         vax_expand_addsub_di_operands, adjacent_operands_p): New.
3300         (vax_float_literal, legitimate_constant_p,
3301         indirectable_constant_address_p, index_term_p,
3302         reg_plus_index_p): Return bool instead of int.
3303         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
3304         where needed.
3305         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
3306         generation.
3307         (vax_output_conditional_branch): Indent.
3308         (legitimate_constant_address_p, indirectable_constant_address_p,
3309         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
3310         vax_mode_dependent_address_p): Return bool instead of int, update for
3311         PIC generation.
3312         * config/vax/vax-protos.h (legitimate_constant_address_p,
3313         legitimate_constant_p, legitimate_address_p,
3314         vax_mode_dependent_address_p): Change declaration to bool.
3315         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
3316         vax_expand_addsub_di_operands, vax_output_int_subtract,
3317         vax_output_movmemsi): Declare.
3318         (split_quadword_operands, vax_float_literal): Delete declaration.
3319         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
3320         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
3321         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
3322         ASM_OUTPUT_DWARF_PCREL): Define.
3323         (ASM_SPEC): Change definition to allow PIC generation.
3324
3325 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
3326
3327         * doc/sourcebuild.texi: Update front-end requirements.
3328
3329 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3330
3331         PR target/39226
3332         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
3333         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
3334         (booldi3_internal3): Use boolean_or_operator instead of
3335         boolean_operator.
3336
3337 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
3338
3339         PR c/39605
3340         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
3341         declarator whose size is not an integer constant expression but
3342         folds to an integer constant, then treat it as a constant
3343         subsequently.
3344
3345 2009-04-01  Richard Guenther  <rguenther@suse.de>
3346
3347         * fold-const.c (fold_plusminus_mult_expr): Do not fold
3348         i * 4 + 2 to (i * 2 + 1) * 2.
3349
3350 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3351
3352         PR c/37772
3353         * c-parser.c (c_parser_asm_statement): Skip until close paren and
3354         return if c_parser_asm_string_literal returned NULL.
3355
3356 2009-04-01  Nick Clifton  <nickc@redhat.com>
3357
3358         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
3359         already defined.
3360         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
3361         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
3362         other typedefs to avoid conflicts with libgcc2.c.  Define labels
3363         to gain 16-bit bit-manipulation functions from libgcc2.c and then
3364         include it.
3365         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
3366         to gain 16-bit trapping arithmetic functions from libgcc2.c and
3367         then include it.
3368
3369 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
3370
3371         * varasm.c (default_function_rodata_section): Declare DOT as
3372         const char*.
3373
3374 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
3375             Andrey Galkin <agalkin@hypercom.com>
3376
3377         PR/39492
3378         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
3379         Make object_name unique for each process.
3380
3381 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3382
3383         PR other/39591
3384         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
3385         addressable variables in the parallel that could go out of scope while
3386         running queued tasks.
3387
3388 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
3389
3390         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
3391         (CASE_VALUES_THRESHOLD): Redefine.
3392         * config/avr/avr.c (avr_override_options): Remove initialization of
3393         avr_case_values_threshold variable.
3394         (avr_case_values_threshold): Remove variable. Add new function.
3395         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
3396         * config/avr/avr.opt (mno-tablejump): Remove option.
3397         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
3398
3399 2009-04-01  DJ Delorie  <dj@redhat.com>
3400
3401         * varasm.c (default_function_rodata_section): Don't assume
3402         anything about where the first '.' in the section name is.
3403
3404 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
3405
3406         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
3407         rs6000_emit_stack_tie.
3408
3409 2009-03-31  Ian Lance Taylor  <iant@google.com>
3410
3411         * tree-eh.c (tree_remove_unreachable_handlers): Compare
3412         gimple_code with GIMPLE_RESX, not RESX.
3413
3414 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3415
3416         * c-common.c (c_get_ident): New.
3417         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
3418
3419 2009-04-01  Ben Elliston  <bje@au.ibm.com>
3420
3421         * config/rs6000/sysv4.opt (msdata): Improve option description.
3422
3423 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
3424
3425         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
3426         (divdf3_internal_lat): Remove.
3427         (divxf3_internal_lat): Remove.
3428         (divxf3_internal_thr): Remove.
3429         (divxf): Use divxf3_internal.
3430         * config/ia64/div.md (divsf3_internal_lat): New.
3431         (divdf3_internal_lat): New.
3432         (divxf3_internal): New.
3433
3434 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3435
3436         PR c/448
3437         * Makefile.in (USE_GCC_STDINT): Define.
3438         (stmp-int-hdrs): Install stdint.h if applicable.
3439         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
3440         if known.
3441         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
3442         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
3443         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3444         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3445         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3446         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3447         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3448         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3449         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3450         (c_common_nodes_and_builtins): Initialize
3451         underlying_wchar_type_node.  Do not initialize
3452         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
3453         nodes for new types.
3454         (c_stddef_cpp_builtins): Define macros for new types.
3455         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
3456         Remove.
3457         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
3458         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
3459         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
3460         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
3461         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
3462         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
3463         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
3464         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
3465         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
3466         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
3467         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
3468         int16_type_node, int32_type_node, int64_type_node,
3469         uint8_type_node, uint16_type_node, c_uint32_type_node,
3470         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
3471         int_least32_type_node, int_least64_type_node,
3472         uint_least8_type_node, uint_least16_type_node,
3473         uint_least32_type_node, uint_least64_type_node,
3474         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
3475         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
3476         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
3477         uintptr_type_node): Define.
3478         * c-cppbuiltin.c (builtin_define_constants,
3479         builtin_define_type_minmax): New.
3480         (builtin_define_stdint_macros): Define more macros.
3481         (c_cpp_builtins): Define more limit macros.
3482         (type_suffix): New.
3483         (builtin_define_type_max): Define in terms of
3484         builtin_define_type_minmax.  Remove is_long parameter.  All
3485         callers changed.
3486         * config.gcc (use_gcc_stdint): Define.
3487         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
3488         Add newlib-stdint.h for generic targets.
3489         * config/glibc-stdint.h, config/newlib-stdint.h,
3490         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
3491         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
3492         * config/score/score.h (UINTPTR_TYPE): Define.
3493         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
3494         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
3495         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3496         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3497         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3498         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3499         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3500         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3501         * config/spu/spu.h (STDINT_LONG32): Define.
3502         * configure.ac (use_gcc_stdint): Substitute.
3503         * configure: Regenerate.
3504         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
3505         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
3506         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
3507         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
3508         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
3509         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
3510         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
3511         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
3512         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
3513         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
3514         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
3515         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
3516         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
3517         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
3518         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
3519         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
3520         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
3521         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
3522         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
3523         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
3524         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
3525         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
3526         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3527         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3528         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3529         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3530         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3531         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3532         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
3533
3534 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
3535
3536         * loop-iv.c (suitable_set_for_replacement): Renamed from
3537         simplify_using_assignment; changed to return bool and to accept new
3538         args DEST and SRC.  Return true iff we find a source/destination pair
3539         that can be used to make a replacement, and fill SRC and DEST if so.
3540         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
3541         changed.
3542         (simplify_using_initial_values): Deal with altered regs here and track
3543         more precisely the effect they have on the validity of our expression.
3544
3545         * loop-iv.c (simplify_using_condition): A condition of the form
3546         (EQ REG CONST) can be used to simply make a substitution.
3547         (simplify_using_initial_values): Keep track of conditions we have seen
3548         and keep using them to simplify new expressions, while applying the
3549         same substitutions to them as to the expression.
3550
3551         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3552         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
3553         GEU/LTU reversed.
3554
3555         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
3556         changed.  Use this when trying to improve the upper bound.
3557         Generate the comparison by using simplify_gen_relational.
3558
3559         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
3560
3561         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
3562         functions.
3563         (simplify_using_assignment, simplify_using_initial_values): Call
3564         replace_in_expr to make replacements.  Call replace_single_def_regs
3565         once on the initial version of the expression.
3566
3567 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3568
3569         PR target/27237
3570         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
3571
3572 2009-03-31  Richard Guenther  <rguenther@suse.de>
3573
3574         PR middle-end/31029
3575         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
3576         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
3577
3578 2009-03-31  Richard Guenther  <rguenther@suse.de>
3579
3580         * tree.h (div_if_zero_remainder): Declare.
3581         * fold-const.c (div_if_zero_remainder): Export.
3582         * tree-ssa-forwprop.c
3583         (forward_propagate_addr_into_variable_array_index): Handle
3584         constant array index addition outside of the variable index.
3585
3586 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3587
3588         PR target/39592
3589         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
3590         define_splits, floatunssi<mode>2): Require x87 conversions from
3591         DImode to be permitted.
3592
3593 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3594
3595         PR preprocessor/15638
3596         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
3597
3598 2009-03-31  Richard Guenther  <rguenther@suse.de>
3599
3600         PR middle-end/23401
3601         PR middle-end/27810
3602         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
3603         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
3604         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
3605         a separate statement.
3606         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
3607         (lookup_tmp_var): Likewise.
3608         (is_gimple_formal_tmp_or_call_rhs): Remove.
3609         (is_gimple_reg_or_call_rhs): Rename to ...
3610         (is_gimple_reg_rhs_or_call): ... this.
3611         (is_gimple_mem_or_call_rhs): Rename to ...
3612         (is_gimple_mem_rhs_or_call): ... this.
3613         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
3614         DECL_GIMPLE_REG_P only if is_formal is true.
3615         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
3616         for non-proper post-modify expression gimplification.
3617         (gimplify_self_mod_expr): For post-modify expressions gimplify
3618         the lvalue to a minimal lvalue.
3619         (rhs_predicate_for): Remove formal temp case.
3620         (gimplify_modify_expr_rhs): Likewise.
3621         (gimplify_addr_expr): Use is_gimple_reg.
3622         (gimplify_expr): Remove formal temp cases.
3623         (gimple_regimplify_operands): Likewise.
3624         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
3625         and FILTER_EXPR like constants.
3626         * gimple.c (walk_gimple_op): Fix val_only initialization, use
3627         is_gimple_reg.
3628         (is_gimple_formal_tmp_rhs): Remove.
3629         (is_gimple_reg_rhs): Remove special casing.
3630         (is_gimple_mem_rhs): Fix.
3631         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
3632         (is_gimple_formal_tmp_var): Remove.
3633         (is_gimple_formal_tmp_reg): Likewise.
3634         (is_gimple_min_lval): Allow invariant component ref parts.
3635         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
3636         is_gimple_formal_tmp_reg): Remove declarations.
3637         * tree-cfg.c (verify_expr): Verify that variables with address
3638         taken do not have DECL_GIMPLE_REG_P set.
3639         * tree-mudflap.c (mf_build_check_statement_for): Use
3640         force_gimple_operand instead of gimplify_expr.
3641
3642 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
3643
3644         * modulo-sched.c (sms_schedule_by_order): Pass the actual
3645         schedulable rows to compute_split_row.
3646
3647 2009-03-31  Ben Elliston  <bje@au.ibm.com>
3648
3649         PR target/31635
3650         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
3651         OPT_mvrsave.
3652
3653 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3654
3655         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
3656         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
3657         * configure: Regenerate.
3658         * config.in: Regenerate.
3659         * config/rs6000/rs6000.opt (mtls-markers): Add.
3660         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
3661         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
3662         (tls_ld_aix, tls_ld_sysv): Likewise.
3663         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
3664         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
3665
3666 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3667
3668         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3669
3670 2009-03-30  Jan Hubicka  <jh@suse.cz>
3671
3672         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3673         out of RESX.
3674         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3675         detection and label handling.
3676
3677 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3678
3679         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3680         left_conflicts_size.
3681         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3682         ALLOCNO_LEFT_CONFLICTS_SIZE.
3683
3684         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3685         remove_allocno_from_bucket_and_push,
3686         allocno_spill_priority_compare, push_allocnos_to_stack,
3687         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3688         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3689         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3690         setup_allocno_left_conflicts_size.
3691         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3692         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3693         setup_allocno_left_conflicts_size instead of
3694         setup_allocno_left_conflicts_num.
3695
3696         * ira-build.c (ira_create_allocno): Use
3697         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3698         ALLOCNO_LEFT_CONFLICTS_NUM.
3699
3700 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3701
3702         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3703         instead of DF_LR_OUT.
3704
3705         * ira-lives.c (process_bb_node_lives): Ditto.
3706
3707         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3708         instead of DF_LR_{OUT,IN}.
3709
3710         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3711
3712         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3713
3714 2009-03-30  Jan Hubicka  <jh@suse.cz>
3715
3716         * except.c (label_to_region_map): Fix thinko.
3717
3718 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3719
3720         PR middle-end/38237
3721         * tree.h (tree_find_value): New declaration.
3722         * tree.c (tree_find_value): New function.
3723         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3724
3725 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3726
3727         PR debug/39563
3728         * c-decl.c (struct c_binding): Add locus field.
3729         (bind): Add locus argument, set locus field from it.
3730         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3731         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3732         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3733         implicitly_declare, undeclared_variable, lookup_label,
3734         declare_label, c_make_fname_decl, c_builtin_function,
3735         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3736         bind callers.
3737
3738 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3739
3740         PR target/38781
3741         * config/i386/i386.c (classify_argument): Check total size of
3742         structure.
3743
3744 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3745
3746         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3747         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3748         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3749         respectively.
3750
3751         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3752         seen_variable_array_ref while also traversing a union.
3753
3754         * tree-inline.c (optimize_inline_calls): Do not call
3755         cgraph_node_remove_callees.
3756         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3757         (pass_remove_cgraph_callee_edges): New variable.
3758         * passes.c (init_optimization_passes): Add
3759         pass_remove_cgraph_callee_edges after early inlining and before all
3760         late intraprocedural passes.
3761
3762         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3763
3764 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3765
3766         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3767         Fix typos in names.
3768
3769 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3770
3771         * combine.c (simplify_comparison): Use have_insn_for.
3772         * dojump.c (do_jump): Likewise.
3773
3774 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3775
3776         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3777         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3778         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3779         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3780         instead of sparc_compare_emitted.
3781         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3782         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3783         instead of sparc_compare_emitted.
3784
3785 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3786
3787         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3788         enter/exit cfglayout mode.
3789         (pass_partition_block): Require it.
3790         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3791         (combine_instructions): Track basic blocks instead of labels.
3792         (update_cfg_for_uncondjump): New.
3793         (try_combine): Use it.  Update jumps after rescanning.
3794         (pass_combine): Require PROP_cfglayout.
3795         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3796
3797 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3798
3799         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3800         Provide/destroy PROP_cfglayout respectively.
3801         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3802         * tree-pass.h (PROP_cfglayout): New.
3803
3804 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3805
3806         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3807         fold_convert_const_fixed_from_fixed,
3808         fold_convert_const_fixed_from_int,
3809         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3810         set TREE_CONSTANT_OVERFLOW.
3811         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3812         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3813
3814 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3815
3816         * tree-vect-loop-manip.c: New file.
3817         * tree-vectorizer.c: Update documentation and included files.
3818         (vect_loop_location): Make extern.
3819         (rename_use_op): Move to tree-vect-loop-manip.c
3820         (rename_variables_in_bb, rename_variables_in_loop,
3821         slpeel_update_phis_for_duplicate_loop,
3822         slpeel_update_phi_nodes_for_guard1,
3823         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3824         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3825         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3826         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3827         find_loop_location): Likewise.
3828         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3829         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3830         get_vectype_for_scalar_type, vect_is_simple_use,
3831         supportable_widening_operation, supportable_narrowing_operation):
3832         Likewise.
3833         (bb_in_loop_p): Move to tree-vect-loop.c.
3834         (new_loop_vec_info, destroy_loop_vec_info,
3835         reduction_code_for_scalar_code, report_vect_op,
3836         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3837         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3838         (vect_supportable_dr_alignment): Likewise.
3839         * tree-vectorizer.h (tree-data-ref.h): Include.
3840         (vect_loop_location): Declare.
3841         Reorganize function declarations according to the new file structure.
3842         * tree-vect-loop.c: New file.
3843         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3844         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3845         * tree-vect-data-refs.c: New file.
3846         * tree-vect-patterns.c (timevar.h): Don't include.
3847         * tree-vect-stmts.c: New file.
3848         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3849         tree-vect-slp.c, tree-vect-loop.c.
3850         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3851         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3852         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3853         (tree-vect-analyze.o): Remove.
3854         (tree-vect-transform.o): Likewise.
3855         (tree-vect-data-refs.o): Add rule.
3856         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3857         tree-vect-slp.o): Likewise.
3858         (tree-vect-patterns.o): Remove redundant dependencies.
3859         (tree-vectorizer.o): Likewise.
3860         * tree-vect-slp.c: New file.
3861
3862 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3863
3864         * optc-gen.awk: Warn if an option flag has multiple different
3865         help strings.
3866
3867 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3868
3869         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3870         -floop-block): Document dependences on PPL, CLooG and Graphite.
3871
3872 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3873
3874         PR rtl-optimization/323
3875         * c-common.c (c_fully_fold, convert_and_check,
3876         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3877         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3878         * c-common.def (EXCESS_PRECISION_EXPR): New.
3879         * c-cppbuiltin.c (builtin_define_float_constants): Define
3880         constants with enough digits for long double.
3881         * c-lex.c (interpret_float): Interpret constant with excess
3882         precision where appropriate.
3883         * c-opts.c (c_common_post_options): Set
3884         flag_excess_precision_cmdline.  Give an error for
3885         -fexcess-precision=standard for C++ for processors where the
3886         option is significant.
3887         * c-parser.c (c_parser_conditional_expression): Handle excess
3888         precision in condition.
3889         * c-typeck.c (convert_arguments): Handle arguments with excess
3890         precision.
3891         (build_unary_op): Move excess precision outside operation.
3892         (build_conditional_expr): Likewise.
3893         (build_compound_expr): Likewise.
3894         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3895         (build_modify_expr): Handle excess precision in RHS.
3896         (convert_for_assignment): Handle excess precision in converted
3897         value.
3898         (digest_init, output_init_element, process_init_element): Handle
3899         excess precision in initializer.
3900         (c_finish_return): Handle excess precision in return value.
3901         (build_binary_op): Handle excess precision in operands and add
3902         excess precision as needed for operation.
3903         * common.opt (-fexcess-precision=): New option.
3904         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3905         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3906         For standard excess precision, output explicit conversion to and
3907         truncation from XFmode.
3908         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3909         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3910         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3911         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3912         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3913         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3914         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3915         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3916         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3917         define_splits, sqrt<mode>2): Disable where appropriate for
3918         standard excess precision.
3919         * convert.c (convert_to_real): Do not shorten arithmetic to type
3920         for which excess precision would be used.
3921         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3922         * doc/invoke.texi (-fexcess-precision=): Document option.
3923         (-mfpmath=): Correct index entry.
3924         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3925         flag_excess_precision): New.
3926         * langhooks.c (lhd_post_options): Set
3927         flag_excess_precision_cmdline.
3928         * opts.c (common_handle_option): Handle -fexcess-precision=.
3929         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3930         init_excess_precision): New.
3931         (lang_dependent_init_target): Call init_excess_precision.
3932         * tree.c (excess_precision_type): New.
3933         * tree.h (excess_precision_type): Declare.
3934
3935 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3936
3937         PR c/35235
3938         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3939         non-lvalue to component.
3940
3941 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3942
3943         PR preprocessor/34695
3944         * Makefile.in (c-opts.o): Depend on c-tree.h.
3945         * c-common.c: Move down include of diagnostic.h.
3946         (done_lexing, c_cpp_error): New.
3947         * c-common.h (done_lexing): Declare.
3948         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3949         (parse_in).
3950         * c-opts.c: Include c-tree.h.
3951         (c_common_init_options): Set preprocessor error callback.
3952         (c_common_handle_option): Do not set preprocessor
3953         inhibit_warnings, warnings_are_errors, warn_system_headers,
3954         pedantic_errors or inhibit_warnings flags.
3955         (c_common_post_options): Do not check cpp_errors (parse_in).
3956         (c_common_finish): Do not output dependencies if there were
3957         errors.  Do not check return value of cpp_finish.
3958         * c-ppoutput.c (pp_file_change): Set input_location.
3959         * c-tree.h (c_cpp_error): Declare.
3960         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3961         override_column.
3962         (diagnostic_build_prefix): Check override_column.
3963         * diagnostic.h (diagnostic_info): Add override_column field.
3964         (diagnostic_override_column): Define.
3965
3966 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3967
3968         * c-common.c (c_expand_expr, c_staticp): Remove.
3969         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3970         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3971         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3972         * c-gimplify.c (gimplify_compound_literal_expr,
3973         optimize_compound_literals_in_ctor): Remove.
3974         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3975         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
3976         * c-semantics.c (emit_local_var): Remove.
3977
3978         * langhooks-def.h (lhd_expand_expr): Remove.
3979         * langhooks.c (lhd_expand_expr): Remove.
3980         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
3981
3982         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
3983         handling from c-semantics.c; don't call into langhook.
3984         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
3985         * gimplify.c (gimplify_compound_literal_expr,
3986         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
3987         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
3988         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
3989         as was done in c-gimplify.c.
3990         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
3991         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
3992         Move from c-common.h.
3993         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
3994
3995         * tree.c (staticp): Do not call langhook.
3996         * langhooks.c (lhd_staticp): Delete.
3997         * langhooks-def.h (lhd_staticp): Delete prototype.
3998         (LANG_HOOKS_STATICP): Delete.
3999         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
4000
4001         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
4002         instead of DECL_STMTs.
4003
4004 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
4005
4006         PR c/456
4007         PR c/5675
4008         PR c/19976
4009         PR c/29116
4010         PR c/31871
4011         PR c/35198
4012         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
4013         void_type_node.
4014         (fold_call_expr): Return a NOP_EXPR from folding rather than the
4015         contained expression.
4016         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
4017         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
4018         conditional expressions for C.
4019         (decl_constant_value_for_optimization): Move from
4020         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
4021         whether optimizing and that the expression is a VAR_DECL not of
4022         array type instead of doing such checks in the caller.  Do not
4023         check pedantic.  Call gcc_unreachable for C++.
4024         * c-common.def (C_MAYBE_CONST_EXPR): New.
4025         * c-common.h (c_fully_fold, c_save_expr,
4026         decl_constant_value_for_optimization): New prototypes.
4027         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4028         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4029         EXPR_INT_CONST_OPERANDS): Define.
4030         * c-convert.c (convert): Strip nops from expression.
4031         * c-decl.c (groktypename): Take extra parameters expr and
4032         expr_const_operands.  Update call to grokdeclarator.
4033         (start_decl): Update call to grokdeclarator.  Add statement for
4034         expressions used in type of decl.
4035         (grokparm): Update call to grokdeclarator.
4036         (push_parm_decl): Update call to grokdeclarator.
4037         (build_compound_literal): Add parameter non_const and build a
4038         C_MAYBE_COSNT_EXPR if applicable.
4039         (grokdeclarator): Take extra parameters expr and
4040         expr_const_operands.  Track expressions used in declaration
4041         specifiers and declarators.  Fold array sizes and track whether
4042         they are constant expressions and whether they are integer
4043         constant expressions.
4044         (parser_xref_tag): Set expr and expr_const_operands fields in
4045         return value.
4046         (grokfield): Update call to grokdeclarator.
4047         (start_function): Update call to grokdeclarator.
4048         (build_null_declspecs): Set expr and expr_const_operands fields in
4049         return value.
4050         (declspecs_add_type): Handle expressions in typeof specifiers.
4051         * c-parser.c (c_parser_declspecs): Set expr and
4052         expr_const_operands fields for declaration specifiers.
4053         (c_parser_enum_specifier): Likewise.
4054         (c_parser_struct_or_union_specifier): Likewise.
4055         (c_parser_typeof_specifier): Likewise.  Update call to
4056         groktypename.  Fold expression as needed.  Return expressions with
4057         type instead of adding statements.
4058         (c_parser_attributes): Update calls to c_parser_expr_list.
4059         (c_parser_statement_after_labels): Fold expression before passing
4060         to objc_build_throw_stmt.
4061         (c_parser_condition): Fold expression.
4062         (c_parser_asm_operands): Fold expression.
4063         (c_parser_conditional_expression): Use c_save_expr.  Update call
4064         to build_conditional_expr.
4065         (c_parser_alignof_expression): Update call to groktypename.
4066         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
4067         original_code.  Fold expression argument of va_arg.  Create
4068         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
4069         argument to va_arg.  Update calls to groktypename.  Fold array
4070         index for offsetof.  Verify that first argument to
4071         __builtin_choose_expr has integer type.
4072         (c_parser_postfix_expression_after_paren_type): Update calls to
4073         groktypename and build_compound_literal.  Handle expressions with
4074         side effects in type name.
4075         (c_parser_postfix_expression_after_primary): Update call to
4076         c_parser_expr_list.  Set original_code for calls to
4077         __builtin_constant_p.
4078         (c_parser_expr_list): Take extra parameter fold_p.  Fold
4079         expressions if requested.
4080         (c_parser_objc_type_name): Update call to groktypename.
4081         (c_parser_objc_synchronized_statement): Fold expression.
4082         (c_parser_objc_receiver): Fold expression.
4083         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
4084         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
4085         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
4086         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
4087         (struct c_typespec): Add elements expr and expr_const_operands.
4088         (struct c_declspecs): Add elements expr and expr_const_operands.
4089         (groktypename, build_conditional_expr, build_compound_literal):
4090         Update prototypes.
4091         (in_late_binary_op): Declare.
4092         * c-typeck.c (note_integer_operands): New function.
4093         (in_late_binary_op): New variable.
4094         (decl_constant_value_for_broken_optimization): Move to c-common.c
4095         and rename to decl_constant_value_for_optimization.
4096         (default_function_array_conversion): Do not strip nops.
4097         (default_conversion): Do not call
4098         decl_constant_value_for_broken_optimization.
4099         (build_array_ref): Do not fold result.
4100         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
4101         result when operand is a VLA.
4102         (c_expr_sizeof_type): Update call to groktypename.  Handle
4103         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
4104         result when operand names a VLA type.
4105         (build_function_call): Update call to build_compound_literal.
4106         Only fold result for calls to __builtin_* functions.  Strip
4107         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
4108         the function designator.
4109         (convert_arguments): Fold arguments.  Update call to
4110         convert_for_assignment.
4111         (build_unary_op): Handle increment and decrement of
4112         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
4113         decrement earlier.  Fold operand of increment and decrement.
4114         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
4115         built for integer operand.  Wrap returns that are INTEGER_CSTs
4116         without being integer constant expressions or that have integer
4117         constant operands without being INTEGER_CSTs.
4118         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
4119         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
4120         result is an integer constant expression or can be used in
4121         unevaluated parts of one and avoid folding and wrap as
4122         appropriate.  Fold operands before possibly doing -Wsign-compare
4123         warnings.
4124         (build_compound_expr): Wrap result for C99 if operands can be used
4125         in integer constant expressions.
4126         (build_c_cast): Update call to digest_init.  Do not ignore
4127         overflow from casting floating-point constants to integers.  Wrap
4128         results that could be confused with integer constant expressions,
4129         null pointer constants or floating-point constants.
4130         (c_cast_expr): Update call to groktypename.  Handle expressions
4131         included in type name.
4132         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
4133         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
4134         Update calls to convert_for_assignment.
4135         (convert_for_assignment): Take new parameter
4136         null_pointer_constant.  Do not strip nops or call
4137         decl_constant_value_for_broken_optimization.  Set
4138         in_late_binary_op for conversions to boolean.
4139         (store_init_value): Update call to digest_init.
4140         (digest_init): Take new parameter null_pointer_constant.  Do not
4141         call decl_constant_value_for_broken_optimization.  pedwarn for
4142         initializers not constant expressions.  Update calls to
4143         convert_for_assignment.
4144         (constructor_nonconst): New.
4145         (struct constructor_stack): Add nonconst element.
4146         (really_start_incremental_init, push_init_level, pop_init_level):
4147         Handle constructor_nonconst and nonconst element.
4148         (set_init_index): Call constant_expression_warning for array
4149         designators.
4150         (output_init_element): Fold value.  Set constructor_nonconst as
4151         applicable.  pedwarn for initializers not constant expressions.
4152         Update call to digest_init.  Call constant_expression_warning
4153         where constant initializers are required.
4154         (process_init_element): Use c_save_expr.
4155         (c_finish_goto_ptr): Fold expression.
4156         (c_finish_return): Fold return value.  Update call to
4157         convert_for_assignment.
4158         (c_start_case): Fold switch expression.
4159         (c_process_expr_stmt): Fold expression.
4160         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
4161         ensure statement expression is not evaluated in constant expression.
4162         (build_binary_op): Track whether results are integer constant
4163         expressions or may occur in such, disable folding and wrap results
4164         as applicable.  Fold operands for -Wsign-compare warnings unless
4165         in_late_binary_op.
4166         (c_objc_common_truthvalue_conversion): Handle results folded to
4167         integer constants that are not integer constant expressions.
4168         * doc/extend.texi: Document when typeof operands are evaluated,
4169         that condition of __builtin_choose_expr is an integer constant
4170         expression, and more about use of __builtin_constant_p in
4171         initializers.
4172
4173 2009-03-29  Richard Guenther  <rguenther@suse.de>
4174
4175         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
4176         propagate addresses of array references.
4177
4178 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
4179
4180         * regmove.c (perhaps_ends_bb_p): Remove.
4181         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
4182         from INSN and check that the main loop stays within that basic block.
4183         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
4184         (regmove_forward_pass): Split out from regmove_optimize.  Use
4185         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
4186         (regmove_backward_pass): Split out from regmove_optimize.  Use
4187         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
4188         (regmove_optimize): Simplify.
4189
4190 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
4191
4192         PR target/39545
4193         * config/i386/i386.c (classify_argument): Ignore flexible array
4194         member in struct and warn ABI change.
4195
4196 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
4197
4198         * config/i386/i386-protos.h (ix86_agi_dependent): New.
4199
4200         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
4201         (ix86_adjust_cost): Updated.
4202
4203 2009-03-29  Jan Hubicka  <jh@suse.cz>
4204
4205         PR middle-end/28850
4206         * tree-pass.h (pass_cleanup_eh): New function.
4207         (remove_unreachable_regions): Break code handling RTL
4208         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
4209         that can not be reached by runtime.
4210         (can_be_reached_by_runtime): New function.
4211         (label_to_region_map): New function.
4212         (num_eh_regions): New function.
4213         (rtl_remove_unreachable_regions): New function.
4214         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
4215         (remove_eh_region): New function.
4216         * except.h: Include sbitmap and vecprim.
4217         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
4218         num_eh_regions): Declare.
4219         * passes.c (init_optimization_passes): Schedule cleanup_eh.
4220         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
4221         * tree-eh.c (tree_remove_unreachable_handlers): New function.
4222         (tree_empty_eh_handler_p): New function.
4223         (cleanup_empty_eh): New function.
4224         (cleanup_eh): New function.
4225         (pass_cleanup_eh): New function.
4226
4227 2009-03-29  Jan Hubicka  <jh@suse.cz>
4228
4229         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
4230         for removed regions.
4231
4232 2009-03-29  Jan Hubicka  <jh@suse.cz>
4233
4234         * except.c (dump_eh_tree): Dump all datastructures.
4235
4236 2009-03-29  Jan Hubicka  <jh@suse.cz>
4237
4238         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
4239         (duplicate_eh_regions_1): Likewise.
4240         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
4241         vector; call EH verification.
4242         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4243         Be ready for region being removed.
4244
4245 2009-03-29  Jan Hubicka  <jh@suse.cz>
4246
4247         * bitmap.c (bitmap_last_set_bit): New function.
4248         * bitmap.h (bitmap_last_set_bit): Declare.
4249
4250 2009-03-29  David Ayers  <ayers@fsfe.org>
4251
4252         PR objc/27377
4253         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
4254         by calling objc_compare_types and surpress warnings about
4255         incompatible C pointers that are compatible ObjC pointers.
4256
4257 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
4258
4259         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
4260         call initialize_inline_failed.
4261         (initialize_inline_failed): Move it from here ...
4262         * cgraph.c (initialize_inline_failed): ... to here.
4263         (cgraph_create_edge): Call initialize_inline_failed rather than
4264         setting inline_failed directly.
4265
4266 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4267
4268         PR target/32542
4269         * sysv4.opt (msdata): Improve comment.
4270         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
4271         * sysv4.h (SVR4_ASM_SPEC): Likewise.
4272
4273 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4274
4275         PR target/30451
4276         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
4277         load and store attributes.
4278
4279 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4280
4281         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
4282         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
4283         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
4284         * doc/extend.texi (X86 Built-in Functions): Add index entries for
4285         __builtin_infq and __builtin_huge_valq.
4286
4287 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
4288
4289         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
4290         atmega8m1 devices.
4291         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4292         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
4293
4294 2009-03-28  Xinliang David Li  <davidxl@google.com>
4295
4296         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
4297         (do_dbg_cnt): New function.
4298
4299 2009-03-28  Jan Hubicka  <jh@suse.cz>
4300
4301         Merge from pretty-ipa:
4302
4303         2009-03-27  Jan Hubicka  <jh@suse.cz>
4304
4305         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4306         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
4307         * passes.c (function_called_by_processed_nodes_p): New.
4308         * ipa-pure-const.c (check_call): Fix handling of operands.
4309         (analyze_function): Dump debug output for skipped bodies.
4310         (local_pure_const): Use function_called_by_processed_nodes_p.
4311         * dwarf2out.c (reference_to_unused): Use output.
4312         * passes.c (do_per_function_toporder): Likewise.
4313
4314         2008-11-12  Jan Hubicka  <jh@suse.cz>
4315
4316         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
4317         * ipa-pure-const.c (funct_state_d): Add can throw field; make
4318         state_set_in_source enum
4319         (check_decl): Ignore memory tags; do not set fake looping flags;
4320         dump diagnostics.
4321         (check_operand, check_tree, check_rhs_var, check_lhs_var,
4322         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
4323         (check_call, analyze_function): Rewrite.
4324         (check_stmt): New.
4325         (add_new_function): Update call of analyze_function.
4326         (generate_summary): Add call of analyze_function.
4327         (propagate): Propagate can_throw; handle state_set_in_source correctly.
4328         (local_pure_const): New function.
4329         (pass_local_pure_const): New pass.
4330         * ipa-inline.c (inline_transform): Set after_inlining.
4331         * tree-eh.c (stmt_can_throw_external): New.
4332         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
4333         work with aliasing built.
4334         * tree-flow.h (stmt_can_throw_external): New.
4335         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
4336         and local pure/const pass in early and late optimization queue.
4337
4338 2009-03-28  Martin Jambor  <mjambor@suse.cz>
4339
4340         * fold-const.c (get_pointer_modulus_and_residue): New parameter
4341         allow_func_align.
4342         (fold_binary): Allow function decl aligment consideration is the
4343         second argument is integer constant one.
4344         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
4345         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
4346         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
4347
4348 2009-03-28  Jan Hubicka  <jh@suse.cz>
4349
4350         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
4351         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
4352         * function.h (rtl_data): Add nothrow flag.
4353         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
4354         set DECL_NOTHROW for AVAILABLE functions.
4355
4356 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
4357
4358         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
4359         following vector keyword has expansion starting with pixel or bool
4360         keyword, expand vector to __vector and pixel or bool to __pixel or
4361         __bool.
4362
4363         PR c++/39554
4364         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
4365         warn_if_disallowed_function_p): Removed.
4366         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
4367         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
4368         warning_if_disallowed_function_p.
4369         * flags.h (warn_if_disallowed_function_p,
4370         warn_disallowed_functions): Removed.
4371         * common.opt (Wdisallowed-function-list=): Removed.
4372         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
4373
4374 2009-03-28  Richard Guenther  <rguenther@suse.de>
4375
4376         PR tree-optimization/38723
4377         * tree-ssa-pre.c (compute_avail): Add all default definitions to
4378         the entry block.
4379
4380 2009-03-28  Jan Hubicka  <jh@suse.cz>
4381
4382         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
4383         test introduced by my previous patch.
4384
4385 2009-03-28  Richard Guenther  <rguenther@suse.de>
4386
4387         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
4388         the PHIs value undefined.
4389
4390 2009-03-28  Jan Hubicka  <jh@suse.cz>
4391
4392         * tree-pass.h (pass_fixup_cfg): New pass.
4393         * ipa-inline.c (inline_transform): Set
4394         always_inline_functions_inlined/after_inlining.
4395         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
4396         (pass_fixup_cfg): New pass.
4397         * passes.c (init_optimization_passes): Add fixup_cfg.
4398
4399 2009-03-28  Richard Guenther  <rguenther@suse.de>
4400
4401         PR tree-optimization/38458
4402         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
4403         argument use the arguments copy-of value.
4404
4405 2009-03-28  Richard Guenther  <rguenther@suse.de>
4406
4407         PR tree-optimization/38180
4408         * tree-ssa-ccp.c (get_default_value): Simplify.
4409         (likely_value): Likewise.
4410         (surely_varying_stmt_p): Properly handle VOP case.
4411         (ccp_initialize): Likewise.
4412         (ccp_fold): Handle propagating through *&.
4413         (fold_const_aggregate_ref): Also handle decls.
4414
4415 2009-03-28  Jan Hubicka  <jh@suse.cz>
4416
4417         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4418         * cgraph.h (cgraph_node): Likewise.
4419         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
4420         (cgraph_reset_node): Use process flag.
4421         (cgraph_mark_functions_to_output): Likewise.
4422         (cgraph_expand_function): Likewise.
4423         (cgraph_expand_all_functions): Likewise.
4424         (cgraph_output_in_order): Likewise.
4425         * dwarf2out.c (reference_to_unused): Likewise.
4426         * passes.c do_per_function_toporder): Likewise.
4427
4428 2009-03-28  Jan Hubicka  <jh@suse.cz>
4429
4430         Bring from lto-branch:
4431
4432         2008-09-03  Doug Kwan  <dougkwan@google.com>
4433
4434         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
4435         enums instead of reason strings.
4436         * cgraph.c (cgraph_create_edge): Same.
4437         (cgraph_inline_failed_string): New function.
4438         * cgraph.h (cgraph_inline_failed_t): New enum type.
4439         (cgraph_inline_failed_string): New prototype.
4440         (struct cgraph_edge): Change type of INLINED_FAILED from constant
4441         char pointer to cgraph_inline_failed_t.
4442         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
4443         (cgraph_default_inline_p): Ditto.
4444         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
4445         to cgraph_inline_failed_t pointer.
4446         * cif-code.def: New file.
4447         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
4448         reason string.
4449         (cgraph_check_inline_limits): Change type of REASON to pointer to
4450         cgraph_inline_failed_t.  Replace reason strings with enums.
4451         (cgraph_default_inline_p): Ditto.
4452         (cgraph_recursive_inlining_p): Ditto.
4453         (update_caller_keys): Change type of FAILED_REASON to
4454         cgraph_inline_failed_t.
4455         (cgraph_set_inline_failed): Change type of REASON to pointer to
4456         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
4457         convert enums to strings for text output.
4458         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
4459         to be of type cgraph_inline_failed_t.  Replace reason strings with
4460         enums.  Call cgraph_inline_failed_string to covert enums
4461         to strings for text output.
4462         (cgraph_decide_inlining): Replace reason strings with enums.
4463         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
4464         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
4465         for text output.
4466         * tree-inline.c (expand_call_inline): Change type of REASON
4467         to cgraph_inline_failed_t.  Replace reason strings with enums.
4468         Call cgraph_inline_failed_string for text output.
4469         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
4470         (cgraph.o): Ditto.
4471
4472 2009-03-28  Jan Hubicka  <jh@suse.cz>
4473
4474         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
4475         cgraph_clone_node): Remove master clone handling.
4476         (cgraph_is_master_clone, cgraph_master_clone): Remove.
4477         * cgraph.h (master_clone): Remove.
4478         (cgraph_is_master_clone, cgraph_master_clone): Remove.
4479         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
4480         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4481
4482 2009-03-28  Jan Hubicka  <jh@suse.cz>
4483
4484         * cgraph.c (cgraph_function_body_availability): Functions declared
4485         inline are always safe to assume that it is not going to be replaced.
4486
4487 2009-03-28  Richard Guenther  <rguenther@suse.de>
4488
4489         PR tree-optimization/38513
4490         * tree-ssa-pre.c (eliminate): Remove redundant stores.
4491         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4492         EXC_PTR_EXPR and FILTER_EXPR.
4493         (get_ref_from_reference_ops): Likewise.
4494
4495 2009-03-28  Richard Guenther  <rguenther@suse.de>
4496
4497         PR tree-optimization/38968
4498         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4499         Use FLOOR_MOD_EXPR to compute misalignment.
4500
4501 2009-03-28  Richard Guenther  <rguenther@suse.de>
4502
4503         PR tree-optimization/37795
4504         * tree.h (combine_comparisons): Declare.
4505         * fold-const.c (combine_comparisons): Export.
4506         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
4507         comparisons.
4508         (ifcombine_iforif): Use combine_comparisons.
4509
4510 2009-03-28  Jan Hubicka  <jh@suse.cz>
4511
4512         * tree-eh.c (inlinable_call_p): New function.
4513         (make_eh_edges): Use it.
4514         (verify_eh_edges): Use it.
4515         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
4516         * except.c (reachable_next_level): Add inlinable_function argument
4517         (sjlj_find_directly_reachable_regions): Update.
4518         (add_reachable_handler): Do not set saw_any_handlers.
4519         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
4520         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4521         Add new inlinable call parameter.
4522         (can_throw_internal, can_throw_external): Update.
4523         * except.h (can_throw_internal_1, can_throw_external_1,
4524         foreach_reachable_handler): Update declaration.
4525
4526 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
4527
4528         * config/arm/t-arm-coff, config/h8300/coff.h,
4529         config/i386/i386-aout.h, config/i386/i386-coff.h,
4530         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
4531         config/pdp11/2bsd.h, config/rs6000/aix41.h,
4532         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
4533         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
4534         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
4535         sys-types.h: Remove.
4536         * Makefile.in: Remove protoize and fixproto support and references
4537         in comments.
4538         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
4539         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
4540         Remove.
4541         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
4542         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
4543         unprotoize$(exeext).
4544         (rest.encap): Don't depend on $(STMP_FIXPROTO)
4545         (.PHONY): Don't depend on proto.
4546         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
4547         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
4548         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
4549         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
4550         build/gen-protos.o, build/scan.o, xsys-protos.h,
4551         build/fix-header$(build_exeext), build/fix-header.o,
4552         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
4553         stmp-install-fixproto): Remove.
4554         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
4555         SYSCALLS.c or fixproto files.
4556         (install-common): Don't install protoize.
4557         (install-headers-tar, install-headers-cpio, install-headers-cp):
4558         Don't depend on $(STMP_FIXPROTO).
4559         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
4560         install fixproto files or write out fixproto settings.
4561         (uninstall): Don't uninstall protoize.
4562         * config.gcc (use_fixproto): Remove.
4563         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
4564         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
4565         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
4566         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
4567         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
4568         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
4569         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
4570         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
4571         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
4572         * config/t-vxworks (STMP_FIXPROTO): Remove.
4573         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
4574         STMP_FIXPROTO): Remove.
4575         * config.in, configure: Regenerate.
4576         * crtstuff.c (gid_t, uid_t): Don't undefine.
4577         * doc/install.texi: Change m68k-coff to m68k-elf in example.
4578         (arm-*-coff, arm-*-aout: Remove target entries.
4579         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
4580         Remove mention of AIX 4.1.
4581         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
4582         * doc/invoke.texi (Running Protoize): Remove.
4583         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
4584         (Protoize Caveats): Remove.
4585         * tsystem.h: Update comments on headers assumed to exist.
4586
4587 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
4588
4589         * genautomata.c: Add a new year to the copyright.  Add a new
4590         reference.
4591         (struct insn_reserv_decl): Add comments for member bypass_list.
4592         (find_bypass): Remove.
4593         (insert_bypass): New.
4594         (process_decls): Use insert_bypass.
4595         (output_internal_insn_latency_func): Output all bypasses with the
4596         same input insn in one switch case.
4597
4598         * rtl.def (define_bypass): Describe bypass choice.
4599         * doc/md.texi (define_bypass): Ditto.
4600
4601 2009-03-27  Richard Guenther  <rguenther@suse.de>
4602
4603         * gimplify.c (mark_addressable): Export.
4604         * tree-flow.h (mark_addressable): Declare.
4605         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
4606         * tree-ssa.c (verify_phi_args): Verify that address taken
4607         variables have TREE_ADDRESSABLE set.
4608
4609 2009-03-27  Richard Guenther  <rguenther@suse.de>
4610
4611         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
4612         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
4613         Do not mark decls TREE_ADDRESSABLE.
4614         (build_fold_addr_expr): Adjust.
4615         (fold_addr_expr): Remove.
4616         (fold_unary): Use build_fold_addr_expr.
4617         (fold_comparison): Likewise.
4618         (split_address_to_core_and_offset): Likewise.
4619         * coverage.c (tree_coverage_counter_addr): Mark the array decl
4620         TREE_ADDRESSABLE.
4621         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
4622         (gimplify_modify_expr_to_memcpy): Mark source and destination
4623         addressable.
4624         * omp-low.c (create_omp_child_function): Mark the object decl
4625         TREE_ADDRESSABLE.
4626         (lower_rec_input_clauses): Mark the var we take the address of
4627         TREE_ADDRESSABLE.
4628         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
4629
4630 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4631
4632         PR middle-end/39315
4633         * cfgexpand.c (expand_one_stack_var_at): Change alignment
4634         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
4635
4636 2009-03-27  Richard Guenther  <rguenther@suse.de>
4637
4638         PR tree-optimization/39120
4639         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
4640         constraints.
4641         (handle_lhs_call): Process return constraints.  Add escape
4642         constraints if necessary.
4643         (handle_const_call): Fill out return constraints.  Make nested
4644         case more precise.  Avoid consttmp if possible.
4645         (handle_pure_call): Fill out return constraints.  Avoid
4646         callused if possible.
4647         (find_func_aliases): Simplify call handling.
4648
4649 2009-03-27  Richard Guenther  <rguenther@suse.de>
4650
4651         PR tree-optimization/39120
4652         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
4653         as a representative.
4654         (solve_graph): Do propagate CALLUSED.
4655         (handle_pure_call): Use a scalar constraint from CALLUSED for
4656         the return value.
4657         (find_what_p_points_to): CALLUSED shall not appear in poins-to
4658         solutions.
4659
4660 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4661
4662         PR c/39323
4663         * c-common.c (handle_aligned_attribute): Properly check alignment
4664         overflow.  Use (1U << i) instead of (1 << i).
4665
4666         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4667
4668         * expr.h (get_mem_align_offset): Updated.
4669
4670         * tree.h (tree_decl_common): Change align to "unsigned int" and
4671         move it before pointer_alias_set.
4672
4673 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4674             Jakub Jelinek  <jakub@redhat.com>
4675
4676         PR target/38034
4677         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4678         gr_register_operand with gr_reg_or_0_operand.
4679         (cmpxchg_rel_di): Likewise.
4680         (sync_lock_test_and_set<mode>): Likewise.
4681
4682 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4683
4684         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4685         (true_regnum): Likewise.
4686
4687         * rtlanal.c (subreg_info): Moved to ...
4688         * rtl.h (subreg_info): Here.  New.
4689         (subreg_get_info): New.
4690
4691         * rtlanal.c (subreg_get_info): Make it extern.
4692
4693 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4694
4695         PR target/39472
4696         * config/i386/i386.c (ix86_abi): New.
4697         (override_options): Handle -mabi=.
4698         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4699         (ix86_call_abi_override): Likewise.
4700         (init_cumulative_args): Likewise.
4701         (function_arg_advance): Likewise.
4702         (function_arg_64): Likewise.
4703         (function_arg): Likewise.
4704         (ix86_pass_by_reference): Likewise.
4705         (ix86_function_value_regno_p): Likewise.
4706         (ix86_build_builtin_va_list_abi): Likewise.
4707         (setup_incoming_varargs_64): Likewise.
4708         (is_va_list_char_pointer): Likewise.
4709         (ix86_init_machine_status): Likewise.
4710         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4711         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4712         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4713         (ix86_function_abi): Make it static and return enum calling_abi.
4714         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4715         with ix86_abi.
4716         (ix86_fn_abi_va_list): Updated.
4717
4718         * config/i386/i386.h (ix86_abi): New.
4719         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4720         (CONDITIONAL_REGISTER_USAGE): Likewise.
4721         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4722         (machine_function): Likewise.
4723
4724         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4725         with ix86_abi.
4726         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4727         (STACK_BOUNDARY): Likewise.
4728         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4729
4730         * config/i386/i386.opt (mabi=): New.
4731
4732         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4733         return enum calling_abi.
4734         (ix86_function_type_abi): Likewise.
4735         (ix86_function_abi): Removed.
4736
4737         * doc/invoke.texi: Document -mabi= option for x86.
4738
4739 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4740
4741         * builtins.c (real_dconstp): Delete.
4742         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4743
4744 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4745             Jakub Jelinek  <jakub@redhat.com>
4746
4747         PR debug/37959
4748         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4749         (gen_subprogram_die): When a function is explicit, generate the
4750         DW_AT_explicit attribute.
4751         * langhooks.h (struct lang_hooks_for_decls): Add
4752         function_decl_explicit_p langhook.
4753         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4754         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4755
4756 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4757
4758         * builtins.c (fold_builtin_memory_op): Optimize memmove
4759         into memcpy if we can prove source and destination don't overlap.
4760
4761         * tree-inline.c: Include gt-tree-inline.h.
4762         (clone_fn_id_num): New variable.
4763         (clone_function_name): New function.
4764         (tree_function_versioning): Use it.
4765         * Makefile.in (GTFILES): Add tree-inline.c.
4766
4767 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4768
4769         * BASE-VER: Change to 4.5.0.
4770
4771 2009-03-27  Xinliang David Li  <davidxl@google.com>
4772
4773         PR tree-optimization/39557
4774         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4775
4776 2009-03-27  Xinliang David Li  <davidxl@google.com>
4777
4778         PR tree-optimization/39548
4779         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
4780         candidate check.
4781
4782 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4783
4784         * c-common.c (pointer_int_sum): Use %wd on return from
4785         tree_low_cst.
4786
4787 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4788
4789         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4790         on return from tree_low_cst.
4791
4792 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4793
4794         PR c++/36799
4795         * ginclude/stdarg.h (va_copy): Define also for
4796         __GXX_EXPERIMENTAL_CXX0X__.
4797
4798 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4799
4800         PR c++/35652
4801         * builtins.h (c_strlen): Do not warn here.
4802         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4803         * c-common.c (pointer_int_sum): Take an explicit location.
4804         Warn about offsets out of bounds.
4805         * c-common.h (pointer_int_sum): Adjust declaration.
4806
4807 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4808
4809         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4810         markup glitch.
4811
4812 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4813
4814         PR c++/39554
4815         * opts.c (warn_if_disallowed_function_p): Don't assume
4816         get_callee_fndecl must return non-NULL.
4817
4818 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4819
4820         PR rtl-optimization/39522
4821         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4822         when reg_reloaded_valid is set.
4823
4824 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4825
4826         * config/spu/divv2df3.c: New file.
4827         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4828         (DPBIT_FUNCS): Filter out _div_df.
4829
4830 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4831
4832         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4833         a jump insn, count that jump in the distance to the loop start.
4834
4835 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4836
4837         PR target/39523
4838         * config/sh/sh.c (calc_live_regs): Fix condition for global
4839         registers except PIC_OFFSET_TABLE_REGNUM.
4840
4841 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4842
4843         PR/39518
4844         * doc/invoke.texi (-mconsole): New.
4845         (-mcygwin): New.
4846         (-mno-cygwin): New.
4847         (-mdll): New.
4848         (-mnop-fun-dllimport): New.
4849         (-mthread): New.
4850         (-mwin32): New.
4851         (-mwindows): New.
4852         (sub section "i386 and x86-64 Windows Options"): New.
4853
4854 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4855
4856         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4857         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4858
4859 2009-03-25  Richard Guenther  <rguenther@suse.de>
4860
4861         PR middle-end/39497
4862         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4863         of -Wno-error.
4864
4865 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4866
4867         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4868         neither of haifa/selective schedulers are working.
4869
4870 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4871
4872         * doc/invoke.texi (Debugging Options): Fix description of
4873         -fno-merge-debug-strings.
4874
4875 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4876
4877         * config/cris/libgcc.ver: New version-script.
4878         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4879
4880         * configure.ac <GAS features, nop mnemonic>: Add pattern
4881         crisv32-*-* for "nop".
4882         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4883         * configure: Regenerate.
4884
4885 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4886
4887         PR tree-optimization/39529
4888         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4889         mark_sym_for_renaming for the tag copied to the new vector
4890         pointer.
4891
4892 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4893
4894         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4895         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4896         EXTRA_SPEC_FUNCTIONS.
4897         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4898         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4899         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4900         -march and -mtune options.
4901
4902 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4903
4904         * config/m68k/t-rtems: Add m5329 multilib.
4905
4906 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4907             Jakub Jelinek  <jakub@redhat.com>
4908
4909         PR debug/39524
4910         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4911         nodes.
4912
4913 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4914
4915         PR c/39495
4916         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4917         instead of c_parser_expression_conv, if original_code isn't one of the
4918         4 allowed comparison codes, fail.
4919
4920 2009-03-23  Richard Guenther  <rguenther@suse.de>
4921
4922         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4923         * tree.h (struct tree_type): Likewise.
4924         * reload.h (struct insn_chain): Likewise.
4925         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4926         * function.h (struct function): Likewise.
4927         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4928
4929 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4930
4931         PR tree-optimization/39516
4932         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4933
4934 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4935
4936         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4937         should be set true if BITS_PER_WORD of target is bigger than 32
4938
4939 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4940
4941         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4942         Translate -B-options to -rpath-link.  Correct existing
4943         rpath-link and conditionalize on !nostdlib.
4944
4945 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4946
4947         * doc/extend.texi (Function Attributes, Variable Attributes):
4948         Fix typos.
4949         * doc/invoke.texi (Debugging Options, Optimize Options)
4950         (i386 and x86-64 Options, MCore Options): Likewise.
4951
4952 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4953
4954         PR debug/37890
4955         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4956         it for block local namespace aliases.
4957         (gen_decl_die): Pass context_die to gen_namespace_die.
4958
4959 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4960
4961         PR c/39495
4962         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4963         minimum or maximum value.
4964
4965 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4966
4967         * reginfo.c (globalize_reg): Recompute derived reg sets.
4968
4969 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4970
4971         PR target/39063
4972         * libgcc2.c (mprotect): Do not use signed arguments for
4973         VirtualProtect, use DWORD arguments.  Also fix the 'may
4974         be used uninitialized' warning for the np variable.
4975
4976 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4977
4978         PR target/39496
4979         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
4980         functions using regparm calling conventions when not optimizing.
4981         (ix86_function_sseregparm): Similarly for sseregparm calling
4982         conventions.
4983
4984 2009-03-19  Li Feng  <nemokingdom@gmail.com>
4985
4986         PR middle-end/39500
4987         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
4988         dependence if the first conflict is after niter iterations.
4989
4990 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
4991
4992         PR middle-end/38609
4993         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
4994         functions with dynamic stack-pointer adjustments.
4995
4996 2009-03-19  Ben Elliston  <bje@au.ibm.com>
4997
4998         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
4999         option; change to -msdata=data.
5000
5001 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5002
5003         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
5004         and -fopenmp.
5005
5006 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
5007
5008         PR target/35180
5009         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
5010
5011 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
5012
5013         * doc/invoke.texi (Code Gen Options): Expand discussion of
5014         -fno-common.
5015
5016 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
5017
5018         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
5019         * matrix-reorg.c (struct matrix_info): Likewise.
5020         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
5021         * rtl.h (struct mem_attrs): Likewise.
5022         * df.h (struct df): Likewise.
5023         * tree-data-ref.h (struct data_dependence_relation): Likewise.
5024         * ira-int.h (struct ira_allocno): Likewise.
5025         * df-scan.c (struct df_collection_rec): Likewise.
5026         * ira.c (struct equivalence): Likewise.
5027         * function.c (struct temp_slot): Likewise.
5028         * cfgloop.h (struct loop): Likewise.
5029
5030         PR debug/39485
5031         * function.c (use_register_for_decl): When not optimizing, disregard
5032         register keyword for variables with types containing methods.
5033
5034 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
5035
5036         PR middle-end/39447
5037         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
5038         (is_simple_operand): Call contains_component_ref_p before calling data
5039         reference analysis that would fail on COMPONENT_REFs.
5040
5041         * tree-vrp.c (search_for_addr_array): Fix formatting.
5042
5043 2009-03-18  Richard Guenther  <rguenther@suse.de>
5044
5045         * tree-vect-transform.c (vect_loop_versioning): Fold the
5046         generated comparisons.
5047         * tree-vectorizer.c (set_prologue_iterations): Likewise.
5048         (slpeel_tree_peel_loop_to_edge): Likewise.
5049
5050 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5051
5052         PR middle-end/37805
5053         * opts.c (print_specific_help): In addition to `undocumented',
5054         accept `separate' and `joined' flags if passed alone.  Describe
5055         output by the first matched one of those.
5056         (common_handle_option): Skip over empty strings.
5057         * gcc.c (display_help): Fix help string for `--help='.
5058         * doc/invoke.texi (Option Summary, Overall Options): With
5059         `--help=', classes and qualifiers can both be repeated, but
5060         only the latter can be negated.  One should not pass only
5061         negated qualifiers.  Fix markup and examples.
5062
5063         Revert
5064         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
5065         PR middle-end/37805
5066         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
5067         and -fhelp=separate.
5068
5069 2009-03-17  Jing Yu  <jingyu@google.com>
5070
5071         PR middle-end/39378
5072         * function.h (struct rtl_data): Move is_thunk from here...
5073         (struct function): ...to here.
5074         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
5075         * varasm.c (assemble_start_function): Change is_thunk from crtl to
5076         cfun.
5077         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
5078         cfun.
5079         (alpha_does_function_need_gp, alpha_start_function): Likewise.
5080         (alpha_output_function_end_prologue): Likewise.
5081         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
5082         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
5083         (rs6000_output_function_epilogue): Likewise.
5084         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
5085
5086 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
5087
5088         PR target/39482
5089         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
5090         from different units in a single alternative.
5091         (*truncdfsf_i387): Ditto.
5092         (*truncxfsf2_mixed): Ditto.
5093         (*truncxfdf2_mixed): Ditto.
5094
5095 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
5096
5097         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
5098         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
5099
5100         PR debug/39474
5101         * tree-ssa-live.c (remove_unused_locals): Don't remove local
5102         unused non-artificial variables when not optimizing.
5103
5104         PR debug/39471
5105         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
5106         DW_TAG_imported_module even if decl is IMPORTED_DECL with
5107         NAMESPACE_DECL in its DECL_INITIAL.
5108
5109         PR middle-end/39443
5110         * optabs.c (set_user_assembler_libfunc): New function.
5111         * expr.h (set_user_assembler_libfunc): New prototype.
5112         * c-common.c: Include libfuncs.h.
5113         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
5114         for memcmp, memset, memcpy, memmove and abort.
5115         * Makefile.in (c-common.o): Depend on libfuncs.h.
5116
5117         PR debug/39412
5118         * dwarf2out.c (gen_inlined_enumeration_type_die,
5119         gen_inlined_structure_type_die, gen_inlined_union_type_die,
5120         gen_tagged_type_instantiation_die): Removed.
5121         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
5122         do nothing.
5123
5124 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
5125
5126         PR testsuite/38526
5127         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
5128         its use.
5129         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
5130         (check-parallel-%): Ditto.
5131         (check-consistency): Ditto.
5132
5133 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
5134
5135         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
5136         local variable rhs by NULL_TREE.
5137
5138 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5139
5140         PR target/39477
5141         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
5142
5143 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5144
5145         PR target/39476
5146         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
5147
5148 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5149
5150         PR target/39473
5151         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
5152         for ms->sysv ABI calls only in 64bit mode.
5153
5154         * config/i386/i386.md (untyped_call): Support 32bit.
5155
5156 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
5157
5158         * doc/extend.texi: Replace x86_65 with x86_64.
5159
5160 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
5161
5162         PR tree-optimization/39455
5163         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
5164         mismatches for POINTER_TYPE_P (type).
5165         (number_of_iterations_le): Likewise.
5166
5167 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
5168
5169         * config/picochip/picochip.c: Removed profiling support.
5170         * config/picochip/picochip.md: Removed profiling instruction.
5171         * config/picochip/picochip.h: Removed profiling builtin.
5172
5173 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
5174
5175         * doc/install.texi (--with-host-libstdcxx): Document.
5176
5177 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
5178
5179         PR target/34299
5180         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
5181         generate a warning if the function name does not begin with
5182         "__vector" and the function has either the 'signal' or 'interrupt'
5183         attribute, from here to ...
5184         (avr_declare_function_name): ...here. New function.
5185         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
5186         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
5187
5188 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
5189
5190         PR bootstrap/39454
5191         * cse.c (fold_rtx): Don't modify original const_arg1 when
5192         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
5193         separate variable instead.
5194         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
5195         from out of range shift counts.
5196         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
5197
5198 2009-03-13  Catherine Moore  <clm@codesourcery.com>
5199
5200         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
5201         diagnostic.h with $(DIAGNOSTIC_H).
5202
5203 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
5204
5205         PR target/39431
5206         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
5207         predicate.
5208         * config/i386/sync.md (sync_compare_and_swap<mode>,
5209         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
5210         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
5211         into a register.
5212         (sync_double_compare_and_swapdi_pic,
5213         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
5214         cmpxchg8b_pic_memory_operand instead of just memory_operand.
5215
5216 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5217
5218         PR target/39445
5219         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
5220
5221 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5222
5223         PR target/39327
5224         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5225         (avx_addsubv4df3): Likewise.
5226         (*avx_addsubv4sf3): Likewise.
5227         (sse3_addsubv4sf3): Likewise.
5228
5229 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5230
5231         PR target/38824
5232         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
5233
5234 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
5235
5236         PR debug/39432
5237         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
5238         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
5239         registers for allocnos created from user-defined variables.
5240
5241 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5242
5243         PR target/39181
5244         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
5245         of non-integer mode as well.
5246
5247 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
5248
5249         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
5250         for functions for which the parameter types are unknown.
5251
5252 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
5253
5254         PR target/39137
5255         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
5256         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
5257         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
5258         * config/i386/i386.c (ix86_local_alignment): For
5259         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
5260         long long variables on the stack to avoid dynamic realignment.
5261         Allow the first argument to be a decl rather than type.
5262         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
5263
5264 2009-03-11  Nick Clifton  <nickc@redhat.com>
5265
5266         PR target/5362
5267         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
5268         options.
5269         Add description to mno-lsim option.
5270         * config/mcore/mcore.h: Remove comment about deprecated m4align
5271         option.
5272         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
5273         * doc/invoke.texi: Add description of mno-lsim and
5274         mstack-increment options.
5275
5276         * config/fr30/fr30.opt: Document the -mno-lsim option.
5277         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
5278         and -mno-lsim options.
5279
5280 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5281
5282         * fold-const.c (fold_comparison): Only call fold_inf_compare
5283         if the mode supports infinities.
5284
5285 2009-03-11  Jason Merrill  <jason@redhat.com>
5286
5287         PR debug/39086
5288         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
5289         end already did.  Notice GIMPLE_CALL modifications of the result.
5290         Don't copy debug information from an ignored decl or a decl from
5291         another function.
5292
5293 2009-03-10  Richard Guenther  <rguenther@suse.de>
5294             Nathan Froyd  <froydnj@codesourcery.com>
5295
5296         PR middle-end/37850
5297         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
5298         (__divMODE3): Likewise.
5299
5300 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
5301
5302         PR tree-optimization/39394
5303         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
5304         DECL_SIZE_UNIT of variable length FIELD_DECLs.
5305
5306 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5307
5308         * recog.c (verfiy_changes): Disallow renaming of hard regs in
5309         inline asms for register asm ("") declarations.
5310
5311 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
5312
5313         * fold-const.c (fold_unary): Fix comment.
5314
5315 2009-03-07  Jan Hubicka  <jh@suse.cz>
5316
5317         PR target/39361
5318         * tree-inline.c (setup_one_parameter): Do replacement of const
5319         argument by constant in SSA form.
5320
5321 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5322
5323         PR middle-end/38028
5324         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
5325         determine alignment passed to assign_stack_local.
5326         (assign_parms_unsplit_complex): Likewise.
5327         * except.c (sjlj_build_landing_pads): Likewise.
5328
5329 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
5330
5331         PR middle-end/39360
5332         * tree-flow.h (add_referenced_var): Return bool instead of void.
5333         * tree-dfa.c (add_referenced_var): Return result of
5334         referenced_var_check_and_insert call.
5335         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
5336         of referenced_var_check_and_insert.
5337
5338         PR debug/39372
5339         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
5340         (gen_variable_die): Emit DW_AT_location on abstract static variable's
5341         DIE, don't emit it if abstract origin already has it.
5342         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
5343         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
5344
5345 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5346
5347         * genpreds.c (needs_variable): Fix parentheses at variable name
5348         detection.
5349         (write_tm_constrs_h): Indent generated code.
5350
5351 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5352
5353         * doc/extend.texi (Function Attributes): Add documentation
5354         for isr attributes.
5355
5356 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
5357
5358         PR debug/39387
5359         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
5360         take locus from its DECL_SOURCE_LOCATION instead of input_location.
5361
5362 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5363
5364         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
5365         the loop as bad.
5366
5367 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
5368
5369         PR debug/39379
5370         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
5371         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
5372
5373 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
5374
5375         * config/i386/i386.md (R8_REG, R9_REG): New constants.
5376         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
5377         constants instead of magic numbers.
5378         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
5379         (QI_REG_P): Ditto.
5380         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
5381         (x86_64_ms_abi_int_parameter_registers): Ditto.
5382         (x86_64_int_return_registers): Ditto.
5383         (ix86_maybe_switch_abi): Ditto.
5384         (ix86_expand_call): Ditto for clobbered_registers array.
5385         (ix86_hard_regno_mode_ok): Ditto.
5386         (x86_extended_QIreg_mentioned_p): Ditto.
5387
5388 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
5389
5390         PR tree-optimization/39349
5391         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
5392
5393         * combine.c (gen_lowpart_for_combine): Use omode when generating
5394         clobber.
5395
5396 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
5397
5398         PR rtl-optimization/39235
5399         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
5400
5401 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
5402
5403         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
5404
5405 2009-03-04  Richard Guenther  <rguenther@suse.de>
5406
5407         PR tree-optimization/39362
5408         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
5409         that occur in abnormal PHIs should be varying.
5410
5411 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
5412
5413         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
5414         Extend comments.
5415         (simple_iv):  Take loop as an argument instead of statement.
5416         * tree-scalar-evolution.h (simple_iv): Declaration changed.
5417         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
5418         to simple_iv.
5419         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
5420         Ditto.
5421         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
5422         * matrix-reorg.c (analyze_transpose): Ditto.
5423         * tree-data-ref.c (dr_analyze_innermost): Ditto.
5424         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5425         * tree-predcom.c (ref_at_iteration): Ditto.
5426         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
5427
5428 2009-03-04  Richard Guenther  <rguenther@suse.de>
5429
5430         PR tree-optimization/39358
5431         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
5432         escaped_id and callused_id.
5433         (solve_graph): Likewise.
5434
5435 2009-03-04  Richard Guenther  <rguenther@suse.de>
5436
5437         PR tree-optimization/39339
5438         * tree-sra.c (try_instantiate_multiple_fields): Make it
5439         no longer ICE on the above.
5440
5441 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
5442
5443         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
5444         that fits within Pmode.
5445
5446 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
5447
5448         PR middle-end/10109
5449         * tm.texi (LIBCALL_VALUE): Update description.
5450
5451 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
5452
5453         PR middle-end/34443
5454         * doc/extend.texi (section): Update description.
5455
5456 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
5457
5458         PR middle-end/39345
5459         * tree-inline.c (remapped_type): New.
5460         (can_be_nonlocal): Call remapped_type instead of remap_type.
5461
5462 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
5463
5464         PR fortran/39354
5465         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
5466         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
5467
5468 2009-03-03  Richard Guenther  <rguenther@suse.de>
5469
5470         PR middle-end/39272
5471         * tree.c (tree_nonartificial_location): New function.
5472         * tree.h (tree_nonartificial_location): Declare.
5473         * builtins.c (expand_builtin_memory_chk): Provide location
5474         of the call location for artificial function pieces.
5475         (maybe_emit_chk_warning): Likewise.
5476         (maybe_emit_sprintf_chk_warning): Likewise.
5477         (maybe_emit_free_warning): Likewise.
5478         * expr.c (expand_expr_real_1): Likewise.
5479
5480 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
5481
5482         PR tree-optimization/39343
5483         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
5484         COMPONENT_REF t has ARRAY_TYPE.
5485
5486 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5487
5488         PR middle-end/39335
5489         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5490         when the type precision of the induction variable should be
5491         larger than the type precision of nit.
5492         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5493         * graphite.c (graphite_loop_normal_form): Same.
5494         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5495
5496 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
5497
5498         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
5499         (*call_1_rex64_ms_sysv): Use named constants instead of magic
5500         numbers to describe clobbered registers.
5501         (*call_value_0_rex64_ms_sysv): Ditto.
5502         * config/i386/mmx.md (mmx_emms): Ditto.
5503         (mmx_femms): Ditto.
5504
5505 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
5506
5507         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
5508         of ABI_64.
5509
5510 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5511
5512         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
5513         (spu_section_type_flags): New function.
5514
5515 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
5516
5517         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
5518         reg_class_contents of FLOAT_REGS into a temporary.
5519
5520 2009-03-02  Richard Guenther  <rguenther@suse.de>
5521             Ira Rosen  <irar@il.ibm.com>
5522
5523         PR tree-optimization/39318
5524         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
5525         information to the vectorized statement.
5526
5527 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
5528
5529         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
5530         variable.  Use defined names instead of magic constants for REX SSE
5531         registers.
5532
5533 2009-03-01  Richard Guenther  <rguenther@suse.de>
5534
5535         PR tree-optimization/39331
5536         * omp-low.c (lower_send_shared_vars): Do not receive new
5537         values for the reference of DECL_BY_REFERENCE parms or results.
5538
5539 2009-03-01  Jan Hubicka  <jh@suse.cz>
5540
5541         PR debug/39267
5542         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
5543         BLOCK_NONLOCALIZED_VAR): New macros.
5544         (tree_block): Add nonlocalized_vars.
5545         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
5546         gen_decl_die): Add origin argument.  Allow generation of die with
5547         origin at hand only.
5548         (gen_member_die, gen_type_die_with_usage, force_decl_die,
5549         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
5550         of gen_*.
5551         (gen_block_die): Fix checking for unused blocks.
5552         (process_scope_var): Break out from .... ; work with origins only.
5553         (decls_for_scope) ... here; process nonlocalized list.
5554         (dwarf2out_ignore_block): Look for nonlocalized vars.
5555         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
5556         vars.
5557         (dump_scope_block): Dump them.
5558         * tree-inline.c (remap_decls): Handle nonlocalized vars.
5559         (remap_block): Likewise.
5560         (can_be_nonlocal): New predicate.
5561         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
5562
5563 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5564
5565         * configure: Regenerate.
5566
5567 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5568
5569         * optc-gen.awk: No need to duplicate option flags twice.
5570         Reuse help texts for duplicate options which do not have any.
5571
5572         * gcc.c (display_help): Document --version.
5573
5574         * gcc.c (main): If print_help_list and verbose_flag, ensure
5575         driver output comes before subprocess output.
5576
5577         * optc-gen.awk: Assign all remaining fields to help string,
5578         space-separated, for multi-line help in *.opt.
5579
5580         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
5581         -Wno-pedantic-ms-format is for MinGW targets only.
5582
5583         * doc/options.texi (Option file format): Fix bad indentation,
5584         restoring dropped sentence.
5585
5586 2009-02-28  Jan Hubicka  <jh@suse.cz>
5587
5588         * tree-inline.c (tree_function_versioning): Output debug info.
5589
5590 2009-02-28  Jan Hubicka  <jh@suse.cz>
5591
5592         PR debug/39267
5593         * tree-inline.c (setup_one_parameter): Do not copy propagate
5594         arguments when not optimizing.
5595
5596 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5597
5598         PR target/39327
5599         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5600         (avx_addsubv4df3): Likewise.
5601         (*avx_addsubv4sf3): Likewise.
5602         (sse3_addsubv4sf3): Likewise.
5603         (*avx_addsubv2df3): Likewise.
5604         (sse3_addsubv2df3): Likewise.
5605         (avx_unpckhps256): Correct item selectors.
5606         (avx_unpcklps256): Likewise.
5607         (avx_unpckhpd256): Likewise.
5608         (avx_unpcklpd256): Likewise.
5609
5610 2009-02-28  Jan Hubicka  <jh@suse.cz>
5611
5612         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
5613         static vars.
5614         (copy_arguments_for_versioning): If var is declared don't declare it.
5615         (tree_function_versioning): First setup substitutions and then copy
5616         args.
5617
5618 2009-02-27  Jan Hubicka  <jh@suse.cz>
5619
5620         PR debug/39267
5621         * cgraph.h (varpool_output_debug_info): Remove.
5622         * cgraphunit.c (varpool_output_debug_info): Remove.
5623         * dwarf2out.c (deferred_locations_struct): New struct
5624         (deferred_locations): New type.
5625         (deferred_locations_list): New static var.
5626         (deffer_location): New function.
5627         (gen_variable_die): Use it.
5628         (decls_for_scope): Output info on local static vars.
5629         (dwarf2out_finish): Process deferred locations.
5630         * varpool.c (varpool_output_debug_info): Remove.
5631
5632 2009-02-27  Jan Hubicka  <jh@suse.cz>
5633
5634         PR debug/39267
5635         * tree.h (TREE_PROTECTED): Fix comment.
5636         (BLOCK_HANDLER_BLOCK): Remove.
5637         (struct tree_block): Remove handler_block add body_block.
5638         (inlined_function_outer_scope_p): New.
5639         (is_body_block): Remove.
5640         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
5641         * dwarf2out.c (is_inlined_entry_point): Remove.
5642         (add_high_low_attributes): Use inlined_function_outer_scope_p.
5643         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
5644         code.
5645         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
5646         * gimplify.c (gimplify_expr): Gimplify body blocks.
5647         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
5648         block with multiple subblocks.
5649         (dump_scope_block): Prettier output; dump more flags and info.
5650         (dump_scope_blocks): New.
5651         (remove_unused_locals): Use dump_scope_blocks.
5652         * tree-flow.h (dump_scope_blocks): Declare.
5653         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
5654         * stmt.c (is_body_block): Remove.
5655         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
5656         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
5657
5658 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5659
5660         PR middle-end/39308
5661         * graphite.c (graphite_loop_normal_form): Do not call
5662         number_of_iterations_exit from a gcc_assert.
5663
5664 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5665
5666         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
5667         jumps if COND is NULL.
5668         (find_cond_jump): New function.
5669         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5670         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5671
5672 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5673
5674         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5675         force_const_mem returns NULL_RTX.
5676
5677 2009-02-26  Jan Hubicka  <jh@suse.cz>
5678
5679         PR debug/39267
5680         * cgraph.h (varpool_output_debug_info): Remove.
5681         * cgraphunit.c (varpool_output_debug_info): Remove.
5682         * dwarf2out.c (deferred_locations_struct): New struct
5683         (deferred_locations): New type.
5684         (deferred_locations_list): New static var.
5685         (deffer_location): New function.
5686         (gen_variable_die): Use it.
5687         (decls_for_scope): Output info on local static vars.
5688         (dwarf2out_finish): Process deferred locations.
5689         * varpool.c (varpool_output_debug_info): Remove.
5690
5691 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5692
5693         PR rtl-optimization/39241
5694         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5695         to subreg_offset_representable_p.
5696
5697 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5698
5699         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5700         execute function prototype.  Get f and nregs from max_reg_num
5701         and get_insns.  Remove the first backward pass as it's dead,
5702         guard the forward pass by flag_expensive_optimizations.
5703         (rest_of_handle_regmove): Delete.
5704         (pass_regmove): Replace it with regmove_optimize.
5705
5706 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5707
5708         PR tree-optimization/39259
5709         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5710         calls_alloca function flags.
5711         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5712         calls are detected.
5713
5714 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5715
5716         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5717         flags_set_1_rtx, flags_set_1_set): Delete.
5718         (regmove_optimize): Do not call mark_flags_life_zones.
5719
5720 2009-02-24  Julian Brown  <julian@codesourcery.com>
5721
5722         PR target/35965
5723         * config/arm/arm.c (require_pic_register): Only set
5724         cfun->machine->pic_reg once per function.
5725
5726 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5727
5728         * doc/invoke.texi (Link Options): Document an easier way to pass
5729         options that take arguments to the GNU linker using -Xlinker and -Wl.
5730
5731 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5732
5733         PR target/33785
5734         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5735
5736 2009-02-24  Richard Guenther  <rguenther@suse.de>
5737
5738         PR debug/39285
5739         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5740
5741 2009-02-24  Richard Guenther  <rguenther@suse.de>
5742             Zdenek Dvorak  <ook@ucw.cz>
5743
5744         PR tree-optimization/39233
5745         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5746         from converting them to a generic type.
5747
5748 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5749
5750         PR tree-optimization/39260
5751         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5752         contains a condition with a real type.
5753         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5754
5755 2009-02-23  Jason Merrill  <jason@redhat.com>
5756
5757         PR c++/38880
5758         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5759         narrowing_initializer_constant_valid_p.
5760         (narrowing_initializer_constant_valid_p): Don't return
5761         null_pointer_node for adding a pointer to itself.
5762
5763 2009-02-23  Jan Hubicka  <jh@suse.cz>
5764
5765         PR c/12245
5766         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5767         resizing.
5768
5769 2009-02-23  Jan Hubicka  <jh@suse.cz>
5770
5771         PR tree-optimization/37709
5772         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5773         * tree.h (block_ultimate_origin): Declare.
5774         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5775         * tree-ssa-live.c (remove_unused_scope_block_p):
5776         Eliminate blocks containig no instructions nor live variables nor
5777         nested blocks.
5778         (dump_scope_block): New function.
5779         (remove_unused_locals): Enable removal of dead blocks by default;
5780         enable dumping at TDF_DETAILS.
5781
5782 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5783
5784         * config/i386/i386.c (classify_argument): Don't allow COImode
5785         and OImode.
5786         (function_arg_advance_32): Don't allow OImode.
5787         (function_arg_32): Likewise.
5788         (function_value_32): Likewise.
5789         (return_in_memory_32): Likewise.
5790         (function_arg_64): Remove OImode comment.
5791
5792 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5793
5794         PR target/39261
5795         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5796         ix86_expand_vector_set for V4DImode in 64bit mode only.
5797         (ix86_expand_vector_init_one_var): Likewise.
5798
5799 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5800
5801         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5802
5803 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5804
5805         PR bootstrap/39257
5806         * loop-iv.c: Revert last change.
5807         * emit-rtl.c: Likewise.
5808
5809 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5810
5811         PR target/39256
5812         * config/i386/i386.c (type_natural_mode): Remove an extra
5813         space in the warning message.
5814         (function_value_32): Handle 32-byte vector modes.
5815         (return_in_memory_32): Likewise.
5816
5817 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5818
5819         * loop-iv.c (truncate_value): New function.
5820         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5821         of lowpart_subreg.
5822         (lowpart_subreg): Move to...
5823         * emit-rtl.c: ...here.
5824
5825 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5826
5827         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5828         accidental and undocumented change at revision 140860.
5829
5830 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5831
5832         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5833         take gimple_seq * arguments.
5834         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5835         types_compatible_p langhook.
5836
5837 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5838             Joseph Myers  <joseph@codesourcery.com>
5839
5840         * config/arm/arm.c (arm_builtin_va_list): New function.
5841         (arm_expand_builtin_va_start): Likewise.
5842         (arm_gimplify_va_arg_expr): Likewise.
5843         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5844         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5845         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5846         (va_list_type): New variable.
5847         (arm_mangle_type): Mangle va_list_type appropriately.
5848
5849 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5850
5851         PR middle-end/39157
5852         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5853         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5854         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5855         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5856         parameter to 1000 for -O1 by default.
5857         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5858         parameter.
5859         * loop-invariant.c: Include params.h.
5860         (move_loop_invariants): Don't call move_single_loop_invariants on
5861         very large loops.
5862
5863 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5864
5865         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5866         offset when calculating bounds for indexing stack_usage_map.  Fixes
5867         a buffer overflow with certain target setups.
5868
5869 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5870
5871         PR target/39240
5872         * calls.c (expand_call): Clear try_tail_call if caller and callee
5873         disagree in promotion of function return value.
5874
5875 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5876
5877         PR target/39175
5878         * c-common.c (c_determine_visibility): If visibility changed and
5879         DECL_RTL has been already set, call make_decl_rtl to update symbol
5880         flags.
5881
5882 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5883
5884         PR c++/39188
5885         * varasm.c (assemble_variable): Don't check DECL_NAME when
5886         globalizing a variable.
5887
5888 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5889
5890         PR c/38483
5891         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5892         expression before any __builtin_trap call.
5893         * c-typeck.c (build_function_call): Convert and check function
5894         arguments before generating a call to a trap.  Evaluate the
5895         function arguments before the trap.
5896
5897 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5898
5899         PR target/39228
5900         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5901         (UNSPEC_FXAM_MEM): New unspec.
5902         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5903         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5904         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5905
5906 2009-02-19  Richard Guenther  <rguenther@suse.de>
5907
5908         PR tree-optimization/39207
5909         PR tree-optimization/39074
5910         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5911         storedanything_tree): New.
5912         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5913         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5914         (build_succ_graph): Add edges from STOREDANYTHING to all
5915         non-direct nodes.
5916         (init_base_vars): Initialize STOREDANYTHING.
5917         (compute_points_to_sets): Free substitution info after
5918         building the succ graph.
5919         (ipa_pta_execute): Likewise.
5920
5921         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5922         field.
5923         (do_ds_constraint): Do not add to special var or non-pointer
5924         field solutions.
5925         (type_could_have_pointers): Split out from ...
5926         (could_have_pointers): ... here.  For arrays use the element type.
5927         (create_variable_info_for): Initialize may_have_pointers.
5928         (new_var_info): Likewise.
5929         (handle_lhs_call): Make the HEAP variable unknown-sized.
5930         (intra_create_variable_infos): Use a type with pointers for
5931         PARM_NOALIAS, make it unknown-sized.
5932
5933 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5934
5935         PR target/39224
5936         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5937
5938 2009-02-18  Jason Merrill  <jason@redhat.com>
5939
5940         PR target/39179
5941         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5942         value if DECL_EXTERNAL.
5943         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5944         * target.h (gcc_target::binds_local_p): Clarify "module".
5945         * tree.h (TREE_PUBLIC): Clarify "module".
5946
5947 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5948
5949         PR target/38891
5950         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5951         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5952
5953 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5954
5955         PR target/39082
5956         * c.opt (Wabi): Support C and ObjC.
5957         (Wpsabi): New.
5958
5959         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5960
5961         * config/i386/i386.c (classify_argument): Warn once about the ABI
5962         change when passing union with long double.
5963
5964         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5965
5966 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5967
5968         PR c/35447
5969         * c-parser.c (c_parser_compound_statement): Always enter and leave
5970         a scope.
5971
5972 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5973
5974         PR target/34587
5975         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
5976
5977 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
5978
5979         PR tree-optimization/36922
5980         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
5981         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
5982         Likewise.
5983
5984 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5985
5986         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
5987         to 0 for EABI64.
5988
5989 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5990
5991         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
5992
5993 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
5994
5995         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
5996         tree sharing.
5997
5998 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
5999             Richard Sandiford  <rdsandiford@googlemail.com>
6000
6001         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
6002         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
6003         (loongson_biadd): ...this.
6004
6005 2009-02-17  Richard Guenther  <rguenther@suse.de>
6006
6007         PR tree-optimization/39202
6008         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
6009         a var make sure to follow existing collapses.
6010
6011 2009-02-17  Richard Guenther  <rguenther@suse.de>
6012
6013         PR middle-end/39214
6014         * langhooks.c (lhd_print_error_function): Check for NULL block.
6015
6016 2009-02-17  Richard Guenther  <rguenther@suse.de>
6017
6018         PR tree-optimization/39204
6019         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
6020         of the PHI arg.
6021
6022 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
6023
6024         * config/soft-fp/double.h: Update from glibc CVS.
6025
6026 2009-02-17  Richard Guenther  <rguenther@suse.de>
6027
6028         PR tree-optimization/39207
6029         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
6030         strict-aliasing warnings for pointers pointing to NULL.
6031
6032 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
6033
6034         PR c/35446
6035         * c-parser.c (c_parser_braced_init): Call pop_init_level when
6036         skipping until next close brace.
6037
6038 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6039
6040         PR target/37049
6041         * config/i386/i386.c (ix86_expand_push): Set memory alignment
6042         to function argument boundary.
6043
6044 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6045
6046         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
6047         in the lea_add. Reload eventually constraints it properly.
6048         * config/picochip/constraints.md : Remove the target constraint
6049         "b", since it is not needed anymore.
6050
6051 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
6052
6053         * gthr-dce.h: Uglify function parameter and local variable names.
6054         * gthr-gnat.h: Likewise.
6055         * gthr-mipssde.h: Likewise.
6056         * gthr-nks.h: Likewise.
6057         * gthr-posix95.h: Likewise.
6058         * gthr-posix.h: Likewise.
6059         * gthr-rtems.h: Likewise.
6060         * gthr-single.h: Likewise.
6061         * gthr-solaris.h: Likewise.
6062         * gthr-tpf.h: Likewise.
6063         * gthr-vxworks.h: Likewise.
6064         * gthr-win32.h: Likewise.
6065
6066 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6067
6068         PR target/39196
6069         * config/i386/i386.md: Restrict the new peephole2 to move
6070         between MMX/SSE registers.
6071
6072 2009-02-15  Richard Guenther  <rguenther@suse.de>
6073
6074         Revert
6075         2009-02-13  Richard Guenther  <rguenther@suse.de>
6076
6077         * configure.ac: Enable LFS.
6078         * configure: Re-generate.
6079         * config.in: Likewise.
6080
6081 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6082
6083         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
6084         spu_srqwbyte, spu_srqwbytebc): Define.
6085         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
6086         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
6087         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
6088         "shrqby_<mode>"): New insn-and-split patterns.
6089         * config/spu/spu.c (expand_builtin_args): Determine and return
6090         number of operands using spu_builtin_description data.
6091         (spu_expand_builtin_1): Use it.
6092
6093 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
6094
6095         PR target/38056
6096         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
6097         TARGET_CONST_GP.
6098
6099 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6100
6101         PR target/39149
6102         * config/i386/i386.c (override_options): Correct warning
6103         messages for -malign-loops, -malign-jumps and -malign-functions.
6104
6105 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6106
6107         PR target/39152
6108         * config/i386/i386.md: Restrict the new peephole2 to move
6109         between the general purpose registers.
6110
6111 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6112
6113         PR target/39162
6114         * config/i386/i386.c (type_natural_mode): Add a new argument.
6115         Return the original mode and warn ABI change if vector size is 32byte.
6116         (function_arg_advance): Updated.
6117         (function_arg): Likewise.
6118         (ix86_function_value): Likewise.
6119         (ix86_return_in_memory): Likewise.
6120         (ix86_sol10_return_in_memory): Likewise.
6121         (ix86_gimplify_va_arg): Likewise.
6122         (function_arg_32): Don't warn ABX ABI change here.
6123         (function_arg_64): Likewise.
6124
6125 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6126
6127         * loop-iv.c (implies_p): In the final case, test that operands 0
6128         of the two comparisons match.
6129
6130         * config/bfin/bfin.c (find_prev_insn_start): New function.
6131         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
6132         (find_next_insn_start): Move.
6133
6134 2009-02-13  Richard Guenther  <rguenther@suse.de>
6135
6136         * configure.ac: Enable LFS.
6137         * configure: Re-generate.
6138         * config.in: Likewise.
6139
6140 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
6141
6142         PR c/35444
6143         * c-parser.c (c_parser_parms_list_declarator): Discard pending
6144         sizes on syntax error after some arguments have been parsed.
6145
6146 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
6147
6148         * doc/invoke.texi (-fira): Remove.
6149
6150 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6151
6152         * caller-save.c: Replace regclass.c with reginfo.c in comments.
6153         * recog.c: Likewise.
6154         * rtl.h: Likewise.
6155
6156 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
6157
6158         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
6159         (umul_ppmm): Likewise.
6160         (count_leading_zeros): Likewise.
6161         (count_trailing_zeros): Likewise.
6162         (UMUL_TIME): Likewise.
6163
6164 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6165
6166         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
6167         soft-fp/t-softfp to tmake_file.
6168
6169         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
6170         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
6171         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
6172         IA64_BUILTIN_INFQ]: New.
6173         (ia64_init_builtins): Initialize __builtin_infq,
6174         __builtin_fabsq and __builtin_copysignq if not HPUX.
6175         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
6176         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
6177
6178         * config/ia64/lib1funcs.asm (__divtf3): Define only if
6179         SHARED is defined.
6180         (__fixtfti): Likewise.
6181         (__fixunstfti): Likewise.
6182         (__floattitf): Likewise.
6183
6184         * config/ia64/libgcc-glibc.ver: New.
6185         * config/ia64/t-fprules-softfp: Likewise.
6186         * config/ia64/sfp-machine.h: Likewise.
6187
6188         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
6189         (LIBGCC2_TF_CEXT): Likewise.
6190         (TF_SIZE): Likewise.
6191         (TARGET_INIT_LIBFUNCS): Likewise.
6192
6193         * config/ia64/t-glibc (SHLINB_MAPFILES):
6194         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
6195
6196 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6197
6198         * config/i386/i386.c (construct_container): Rewrite processing
6199         BLKmode with X86_64_SSE_CLASS.
6200
6201 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
6202
6203         PR target/39152
6204         * config/i386/i386.md: Replace simplify_replace_rtx with
6205         replace_rtx in the new peephole2.
6206
6207 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
6208
6209         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
6210         loop unrolling do not happen at -O2.
6211
6212 2009-02-12  Michael Matz  <matz@suse.de>
6213
6214         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
6215
6216 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
6217
6218         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
6219         for -g3.
6220
6221 2009-02-12  Ben Elliston  <bje@au.ibm.com>
6222
6223         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
6224         patterns when updating the back chain.  Missed in the 2009-02-10
6225         change.
6226
6227 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
6228
6229         * doc/extend.texi (Decimal Floating Types): Update identifier of
6230         draft TR and list of missing support.
6231
6232 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
6233
6234         PR middle-end/39154
6235         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
6236         bit to variable length decl's flags, add it also to its
6237         pointer replacement variable.
6238
6239 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
6240             Jakub Jelinek  <jakub@redhat.com>
6241
6242         PR target/39118
6243         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
6244         (memory_blockage): New expander.
6245         (*memory_blockage): New insn pattern.
6246         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
6247         instead of general blockage at the end of function prologue when
6248         frame pointer is used to access red zone area.  Do not emit blockage
6249         when profiling, it is emitted in generic code.
6250         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
6251         function epilogue when frame pointer is used to access red zone area.
6252
6253 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
6254
6255         PR target/38824
6256         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
6257         by arithmetic with memory operands.
6258         * config/i386/predicates.md (commutative_operator): New.
6259
6260 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
6261
6262         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
6263         bulleted lists.
6264
6265 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
6266
6267         * alias.h (record_alias_subset): Declare.
6268         * alias.c (record_alias_subset): Make global.
6269
6270 2009-02-10  Nick Clifton  <nickc@redhat.com>
6271
6272         * tree-parloops.c: Change license to GPLv3.
6273         * ipa-struct-reorg.c: Change license to GPLv3.
6274         * ipa-struct-reorg.h: Change license to GPLv3.
6275
6276 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
6277
6278         PR c/39084
6279         * c-decl.c (start_struct): Return NULL on error.
6280
6281 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
6282
6283         PR middle-end/39124
6284         * cfgloopmanip.c (remove_path): Call remove_bbs after
6285         cancel_loop_tree, not before it.
6286
6287         PR target/39139
6288         * function.h (struct function): Add has_local_explicit_reg_vars bit.
6289         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
6290         VAR_DECLs were seen.
6291         * tree-ssa-live.c (remove_unused_locals): Recompute
6292         cfun->has_local_explicit_reg_vars.
6293         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
6294         copies or clearings if cfun->has_local_explicit_reg_vars.
6295
6296 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
6297
6298         PR target/39118
6299         * config/i386/i386.c (expand_prologue): Emit blockage at the end
6300         of function prologue when frame pointer is used to access
6301         red zone area.
6302
6303 2009-02-10  Richard Guenther  <rguenther@suse.de>
6304
6305         PR middle-end/39127
6306         * gimplify.c (gimple_regimplify_operands): Always look if
6307         we need to create a temporary.
6308
6309 2009-02-10  Richard Guenther  <rguenther@suse.de>
6310
6311         PR tree-optimization/39132
6312         * tree-loop-distribution.c (todo): New global var.
6313         (generate_memset_zero): Trigger TODO_rebuild_alias.
6314         (tree_loop_distribution): Return todo.
6315
6316 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6317
6318         PR target/39119
6319         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
6320         (x86_64_reg_class_name): Removed.
6321         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
6322         first one isn't X86_64_SSE_CLASS or any other ones aren't
6323         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
6324         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
6325         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
6326         and 3 X86_64_SSEUP_CLASS.
6327         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
6328         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
6329
6330 2009-02-10  Ben Elliston  <bje@au.ibm.com>
6331
6332         * config/rs6000/rs6000.md (allocate_stack): Always use an update
6333         form instruction to update the stack back chain word, even if the
6334         user has disabled the generation of update instructions.
6335         (movdi_<mode>_update_stack): New.
6336         (movsi_update_stack): Likewise.
6337         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
6338         always use an update form instruction to update the stack back
6339         chain word.
6340
6341 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
6342
6343         PR middle-end/38953
6344         * graphite.c (if_region_set_false_region): After moving a region in
6345         the false branch of a condition, remove the empty dummy basic block.
6346         (gloog): Remove wrong fix for PR38953.
6347
6348 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6349
6350         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
6351         generation due to implicit sign extension.
6352
6353 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6354
6355         PR middle-end/38981
6356         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
6357         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
6358
6359 2009-02-09  Richard Guenther  <rguenther@suse.de>
6360
6361         PR middle-end/35202
6362         * convert.c (convert_to_real): Disable (float)fn((double)x)
6363         to fnf(x) conversion if errno differences may occur and
6364         -fmath-errno is set.
6365
6366 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
6367
6368         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
6369         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6370         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6371
6372 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
6373
6374         PR c/35434
6375         * c-common.c (handle_alias_attribute): Disallow attribute for
6376         anything not a FUNCTION_DECL or VAR_DECL.
6377
6378 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
6379
6380         PR c/39035
6381         * real.c (do_compare): Special-case compare of zero against
6382         decimal float value.
6383
6384 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
6385
6386         PR c/36432
6387         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
6388         as indicating flexible array members unless the field itself is
6389         being declarared as the incomplete array.
6390
6391 2009-02-06  Jan Hubicka  <jh@suse.cz>
6392
6393         PR tree-optimization/38844
6394         * ipa-inline.c (try_inline): Stop inlining recursion when edge
6395         is already inlined.
6396
6397 2009-02-06  Richard Guenther  <rguenther@suse.de>
6398
6399         PR middle-end/38977
6400         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
6401         fork because we may expand it as __gcov_fork.
6402
6403 2009-02-06  Nick Clifton  <nickc@redhat.com>
6404
6405         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
6406
6407 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
6408
6409         PR tree-optimization/35659
6410         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
6411         vn_phi_eq): Shortcut if hashcode does not match.
6412         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
6413         NULL operands.
6414         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
6415         and avoid iterative_hash_expr.
6416         (FOR_EACH_VALUE_ID_IN_SET): New.
6417         (value_id_compare): Remove.
6418         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
6419         sort expressions by value id.
6420
6421 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
6422
6423         PR target/38991
6424         * config/sh/predicates.md (general_movsrc_operand): Don't check
6425         the subreg of system registers here.
6426
6427 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR c++/39106
6430         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
6431         on the copied decl.
6432
6433 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
6434
6435         PR rtl-optimization/39110
6436         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
6437         addresses, not aligned ones.
6438
6439 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
6440             Richard Guenther  <rguenther@suse.de>
6441
6442         PR tree-optimization/39100
6443         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
6444         comment says and add edges.
6445
6446 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
6447
6448         PR c/35435
6449         * c-common.c (handle_tls_model_attribute): Ignore attribute for
6450         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
6451
6452 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6453
6454         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6455         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6456         register_bb_in_sese, new_sese, free_sese): Moved.
6457         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6458         outermost_loop_in_scop, build_scop_iteration_domain,
6459         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6460         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6461         Use loop_in_sese_p instead of loop_in_scop_p.
6462         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
6463         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
6464         (scopdet_basic_block_info): Fix bug in scop detection.
6465         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6466         eq_loop_to_cloog_loop): Remove.
6467         (nb_loops_around_loop_in_scop, nb_loop
6468         ref_nb_loops): Moved here...
6469         * graphite.h (ref_nb_loops): ... from here.
6470         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
6471         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6472         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6473         * testsuite/gcc.dg/graphite/scop-19.c: New
6474
6475 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
6476             Hans-Peter Nilsson  <hp@axis.com>
6477
6478         PR rtl-optimization/37889
6479         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
6480         Move offset handling from PLUS to before the switch.  Use new
6481         arguments when considering SYMBOL_REFs too.
6482         (rtx_addr_can_trap_p): Pass dummy offset and size.
6483         (enum may_trap_p_flags): Remove.
6484         (may_trap_p_1): Pass size from MEM_SIZE.
6485
6486         PR rtl-optimization/38921
6487         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
6488         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
6489         * rtlanal.c (may_trap_after_code_motion_p): Delete.
6490         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
6491
6492 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
6493
6494         AVX Programming Reference (January, 2009)
6495         * config/i386/sse.md (*vpclmulqdq): New.
6496
6497 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
6498
6499         PR tree-optimization/38977
6500         PR gcov-profile/38292
6501         * calls.c (special_function_p): Disregard __builtin_ prefix.
6502
6503 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
6504
6505         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
6506         non-indexable addresses even before reload.
6507
6508 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
6509
6510         PR c/29129
6511         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
6512         as having variable size.  Do not give an error for unnamed
6513         parameters with [*] declarators.  Give a warning for type names
6514         with [*] declarators and mark them as variable size.
6515         * c-parser.c (c_parser_sizeof_expression): Do not give an error
6516         for sizeof applied to [*] type names.
6517
6518 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6519
6520         PR C++/36607
6521         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
6522
6523 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
6524
6525         * gcc.c (process_command): Update copyright notice dates.
6526         * gcov.c (print_version): Likewise.
6527         * gcov-dump.c (print_version): Likewise.
6528         * mips-tfile.c (main): Likewise.
6529         * mips-tdump.c (main): Likewise.
6530
6531 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
6532
6533         PR c/35433
6534         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
6535         for composite type involving a zero-length array type.
6536
6537 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
6538
6539         PR target/35318
6540         * function.c (match_asm_constraints_1): Skip over
6541         initial optional % in the constraint.
6542
6543         PR inline-asm/39059
6544         * c-parser.c (c_parser_postfix_expression): If fixed point is not
6545         supported, don't accept FIXED_CSTs.
6546         * c-decl.c (finish_declspecs): Error if fixed point is not supported
6547         and _Sat is used without _Fract/_Accum.  Set specs->type to
6548         integer_type_node for cts_fract/cts_accum if fixed point is not
6549         supported.
6550
6551 2009-02-02  Catherine Moore  <clm@codesourcery.com>
6552
6553         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
6554
6555 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
6556
6557         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
6558         (ABI_HAS_64BIT_SYMBOLS): Use it.
6559         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
6560
6561 2009-02-02  Paul Brook  <paul@codesourcery.com>
6562
6563         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
6564
6565 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
6566
6567         PR inline-asm/39058
6568         * recog.h (asm_operand_ok): Add constraints argument.
6569         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
6570         recurse on matching constraint.
6571         (check_asm_operands): Pass constraints as 3rd argument to
6572         asm_operand_ok.  Don't look up matching constraint here.
6573         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
6574         to asm_operand_ok.
6575
6576 2009-02-02  Ben Elliston  <bje@au.ibm.com>
6577
6578         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
6579         TARGET_NARROW_VOLATILE_BITFIELD macro names.
6580
6581 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6582
6583         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
6584         information.  Remove some obsolete information.  Reorganize.
6585
6586         * config/pa/fptr.c: Revert license to GPL 2.
6587         * config/pa/milli64.S: Likewise.
6588
6589 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6590
6591         PR target/38904
6592         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
6593         LIBRARY name in, instead of hard-coding it.
6594         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
6595         extra target make frag to tmake_files according to EH model.
6596         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
6597         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
6598         frags that define makefile variable EH_MODEL appropriately.
6599         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
6600         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
6601         to "-sjlj" according to type of EH configured.
6602         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6603         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
6604         to "_sjlj" according to type of EH configured.
6605         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6606         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
6607         (SHLIB_LINK):  Add missing semicolon to if-else construct.
6608         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6609         string value of "pe_dll" command-line option.
6610         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
6611         (SHLIB_SONAME):  Use it when overriding t-cygming default.
6612         (SHLIB_IMPLIB):  Override t-cygming default.
6613         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6614         string value of "pe_dll" command-line option.
6615
6616 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6617
6618         PR target/38952
6619         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
6620         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
6621
6622 2009-01-31  Richard Guenther  <rguenther@suse.de>
6623
6624         PR tree-optimization/38937
6625         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
6626         computing the transitive closure.
6627
6628 2009-01-30  Richard Guenther  <rguenther@suse.de>
6629
6630         PR tree-optimization/39041
6631         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6632         Propagate variable indices only if the types match for this stmt.
6633
6634 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
6635
6636         PR target/39013
6637         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
6638         inline but never defined.
6639
6640 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
6641
6642         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
6643         (*insv_h_di_reg_extimm): New insn.
6644         (*insv_l<mode>_reg_extimm): New insn.
6645
6646 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6647
6648         * config/picochip/picochip.c (flag_conserve_stack): set
6649         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
6650         fconserve-stack. Reduce call-overhead used by inliner.
6651
6652 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6653
6654         PR/38157
6655         * common.opt (flag_conserve_stack): Initialised to zero.
6656
6657 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
6658
6659         PR/39002
6660         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
6661         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
6662         method.
6663
6664 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6665
6666         * ira-color.c (allocno_reload_assign): Update comments.
6667         * regmove.c (regmove_optimize): Likewise.
6668
6669         * ra.h: Removed.
6670
6671 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6672
6673         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6674         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6675         `MD_UNWIND_SUPPORT'.
6676         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6677
6678 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6679
6680         PR tree-optimization/39007
6681         * tree-loop-distribution.c (generate_builtin): Use
6682         recompute_dominator to compute the immediate dominator of the
6683         basic block just after the loop.
6684
6685 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6686
6687         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6688         (ASM_OUTPUT_DWARF_PCREL): Define.
6689
6690 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6691
6692         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6693         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6694         global.  Modify entries about regmove and IRA.
6695
6696         * ra-conflict.c: Remove the file.
6697
6698         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6699
6700         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6701         (pass_regclass_init): Rename to pass_reginfo_init.
6702
6703         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6704
6705         * toplev.h (flag_ira): Remove.
6706
6707         * caller-save.c (setup_save_areas): Remove flag_ira.
6708
6709         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6710
6711         * global.c: Remove the file.
6712
6713         * opts.c (decode_options): Remove flag_ira.
6714
6715         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6716
6717         * regmove.c: Modify file description.
6718         (find_use_as_address, try_auto_increment): Define them only if
6719         AUTO_INC_DEC is defined.
6720         (replacement_quality, replace_in_call_usage, fixup_match_1,
6721         stable_and_no_regs_but_for_p): Remove.
6722         (reg_set_in_bb): Make it static.
6723         (regmove_optimize): Remove flag_ira and code which worked for
6724         !flag_ira.
6725
6726         * local-alloc.c: Remove the file.
6727
6728         * common.opt (fira): Remove.
6729
6730         * ira.c: Include except.h.
6731         (eliminable_regset): Move from global.c.
6732         (mark_elimination): Ditto.  Remove flag_ira.
6733         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6734         equiv_mem_modified, validate_equiv_mem_from_store,
6735         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6736         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6737         no_equiv, recorded_label_ref): Move from local-alloc.c.
6738         (update_equiv_regs): Ditto.  Make it static.
6739         (print_insn_chain, print_insn_chains): Move it from global.c.
6740         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6741         (build_insn_chain): Ditto.  Make it static.
6742         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6743         Rename to init_live_subregs.
6744         (gate_ira): Remove flag_ira.
6745
6746         * regclass.c: Rename reginfo.c.  Change file description.
6747         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6748         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6749         (init_reg_sets_1): Remove code for evaluation of
6750         reg_class_superclasses and losing_caller_save_reg_set.
6751         (init_regs): Remove init_reg_autoinc.
6752         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6753         ok_for_base_p_nonstrict): Remove.
6754         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6755         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6756         corresponding entries.
6757         (dump_regclass, record_operand_costs, scan_one_insn,
6758         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6759         record_address_regs, auto_inc_dec_reg_p): Remove.
6760         (gt-regclass.h): Rename to gt-reginfo.h.
6761
6762         * rtl.h (dump_global_regs, retry_global_alloc,
6763         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6764
6765         * Makefile.in (RA_H): Remove.
6766         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6767         Rename regclass.o to reginfo.o.
6768         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6769         gt-reginfo.h.
6770         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6771         (GTFILES): Rename regclass.c to reginfo.c.
6772
6773         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6774         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6775
6776         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6777         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6778         Remove flag_ira.
6779         (finish_spills): Ditto.  Remove code for !flag_ira.
6780
6781 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6782
6783         PR middle-end/35854
6784         * doc/invoke.texi (rtl debug options): Complete rewrite.
6785         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6786         to auto_inc_dec".
6787         * mode-switching.c (pass_mode_switching): Rename pass from
6788         "mode-sw" to "mode_sw".
6789         * except.c (pass_convert_to_eh_ranges): Rename pass from
6790         "eh-ranges" to "eh_ranges".
6791         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6792         to "subreg1".
6793
6794
6795 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6796             Alexander Monakov  <amonakov@ispras.ru>
6797
6798         PR middle-end/38857
6799         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6800         register.
6801         (move_exprs_to_boundary): Change return type and pass through
6802         should_move from move_op.  Relax assert.  Update usage ...
6803         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6804         cant_move.
6805         (move_op_orig_expr_found): Indicate that insn was disconnected from
6806         stream.
6807         (code_motion_process_successors): Do not call after_merge_succs
6808         callback if original expression was not found when traversing any of
6809         the branches.
6810         (code_motion_path_driver): Change return type.  Update prototype.
6811         (move_op): Update comment.  Add a new parameter (should_move).  Update
6812         prototype.  Set *should_move based on indication provided by
6813         move_op_orig_expr_found.
6814
6815 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6816
6817         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6818         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6819         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6820         * config/rs6000/rs6000.c (rs6000_override_options): Default
6821         avoid-indexed-addresses on for Power6, off for everything else.
6822         (avoiding_indexed_address_p): New function.
6823         (rs6000_legitimize_address): Use it.
6824         (rs6000_legitimate_address): Likewise.
6825         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6826
6827 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6828
6829         PR tree-optimization/38997
6830         * tree-loop-distribution.c (generate_memset_zero): Use
6831         POINTER_PLUS_EXPR for a pointer addition.
6832
6833 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6834
6835         * config/s390/s390.md (bswap<mode>2): New pattern added.
6836
6837 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6838
6839         * config/s390/s390.md (*tls_load_31): Added type attribute.
6840
6841 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6842
6843         * config/s390/s390.md: Fix a few comments.
6844
6845 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6846
6847         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6848         (*tm<mode>_full): Fixed z10prop attribute.
6849         (*tst<mode>_extimm): Fixed z10prop attribute.
6850         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6851         (*tstqiCCT_cconly): Fixed z10prop attribute.
6852         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6853         (*movsi_larl): Fixed z10prop attribute.
6854         (*movsi_zarch): Fixed z10prop attribute.
6855         (*movsi_eas): Fixed z10prop attribute.
6856         (*movhi): Fixed z10prop attribute.
6857         (*movqi): Fixed z10prop attribute.
6858         (*movstrictqi): Fixed z10prop attribute.
6859         (*mov<mode>): Fixed z10prop attribute.
6860         (*movcc): Fixed z10prop attribute.
6861         (*sethighpartdi_64): Fixed z10prop attribute.
6862         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6863         (*negdi2_sign_cc): Fixed z10prop attribute.
6864         (*negdi2_sign): Fixed z10prop attribute.
6865         (*absdi2_sign_cc): Fixed z10prop attribute.
6866         (*absdi2_sign): Fixed z10prop attribute.
6867         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6868         (*negabsdi2_sign): Fixed z10prop attribute.
6869         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6870         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6871         (doloop_si64): Fixed z10prop attribute.
6872         (doloop_si31): Fixed z10prop attribute.
6873         (doloop_long): Fixed z10prop attribute.
6874         (indirect_jump): Fixed z10prop attribute.
6875         (nop): Fixed z10prop attribute.
6876         (main_base_64): Fixed z10prop attribute.
6877         (reload_base_64): Fixed z10prop attribute.
6878
6879 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6880
6881         PR rtl-optimization/38740
6882         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6883         if !optimize.
6884         * config/mips/mips.c (mips_reorg): Likewise.
6885
6886 2009-01-28  Richard Guenther  <rguenther@suse.de>
6887
6888         PR tree-optimization/38926
6889         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6890         with the correct value id to a value.
6891         (do_regular_insertion): Use the value number of edoubleprime
6892         for the value number of the expr.
6893
6894         Revert
6895         2008-08-21  Richard Guenther  <rguenther@suse.de>
6896
6897         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6898         a PHI ask VN if it is already available.
6899         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6900         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6901
6902 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6903
6904         PR middle-end/38934
6905         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6906         set to varying whenever max has TREE_OVERFLOW set, similarly
6907         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6908
6909 2009-01-28  Richard Guenther  <rguenther@suse.de>
6910
6911         PR middle-end/38908
6912         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6913         uninitialized aggregate uses in call arguments.
6914
6915 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6916
6917         PR tree-optimization/38984
6918         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6919         the nothing_id variable if -fno-delete-null-pointer-checks.
6920
6921 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6922
6923         PR target/38988
6924         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6925         (set_got_offset_rex64): Ditto.
6926
6927 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6928
6929         PR target/38941
6930         * doc/extend.texi: Improve local variable with asm reg.
6931
6932 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6933
6934         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6935         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6936         was not supplied then set warn_packed_bitfield_compat to the
6937         default value of 1.
6938         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6939         against 1.
6940
6941 2009-01-27  Richard Guenther  <rguenther@suse.de>
6942
6943         PR tree-optimization/38503
6944         * cfgexpand.c (expand_gimple_basic_block): Ignore
6945         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6946         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6947         variables that cannot have TBAA applied.
6948         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6949         statements.
6950
6951 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6952
6953         PR middle-end/38969
6954         * calls.c (initialize_argument_information): Do not wrap complex
6955         arguments in SAVE_EXPR.
6956
6957 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6958
6959         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6960         (INSTALL_LIBGCC): Revert typo commit.
6961
6962 2009-01-26  Richard Guenther  <rguenther@suse.de>
6963
6964         PR tree-optimization/38745
6965         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6966         from special handling.
6967
6968 2009-01-26  Richard Guenther  <rguenther@suse.de>
6969
6970         PR tree-optimization/38745
6971         * tree-ssa.c (execute_update_addresses_taken): Do not include
6972         variables that cannot possibly be a register in not_reg_needs.
6973         Do not clear TREE_ADDRESSABLE on vars that may not become
6974         registers.
6975         * tree-ssa.c (update_alias_info_1): Include those in the set
6976         of addressable vars.
6977
6978 2009-01-26  Richard Guenther  <rguenther@suse.de>
6979
6980         PR middle-end/38851
6981         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
6982         * tree-ssa-dse.c: Include langhooks.h
6983         (execute_simple_dse): Remove stores with zero size.
6984
6985 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
6986
6987         PR c/38957
6988         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
6989         as PLUS_EXPR.
6990
6991 2009-01-24  Julian Brown  <julian@codesourcery.com>
6992
6993         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
6994         config/arm/linux-atomic.c.
6995         * config/arm/linux-atomic.c: New.
6996
6997 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
6998
6999         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
7000         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
7001         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
7002
7003 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
7004
7005         PR c/38938
7006         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
7007         properly.
7008
7009 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7010
7011         PR tree-optimization/38953
7012         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
7013         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
7014         (gloog): Split the exit of the scop when the scop exit is a loop exit.
7015         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
7016         changed the CFG.
7017
7018 2009-01-24  Paul Brook  <paul@codesourcery.com>
7019
7020         * config/arm/neon.md (neon_type): Move to arm.md.
7021         (neon_mov<VSTRUCT>): Add neon_type attribute.
7022         * config/arm/arm.md (neon_type): Move to here.
7023         (conds): Add "unconditioal" and use as default for NEON insns.
7024
7025 2009-01-24  Ben Elliston  <bje@au.ibm.com>
7026
7027         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
7028         void *' warning from -Wc++-compat.
7029         * Makefile.in (dominance.o-warn): Remove.
7030
7031 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
7032
7033         PR tree-optimization/38932
7034         * fold-const.c (fold_unary_ignore_overflow): New.
7035         * tree.h (fold_unary_ignore_overflow): Declare.
7036         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
7037         * tree-ssa-sccvn.c (visit_reference_op_load,
7038         simplify_unary_expression): Likewise.
7039
7040 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
7041
7042         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
7043         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
7044         regardless of their type.
7045         * c-common.c (handle_packed_attribute): Don't ignore packed on
7046         bitfields.
7047         * c.opt (Wpacked-bitfield-compat): New warning option.
7048         * stor-layout.c (place_field): Warn if offset of a field changed.
7049         * doc/extend.texi (packed): Mention the ABI change.
7050         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
7051         (Warning Options): Add it to the list.
7052
7053 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7054
7055         * c-opts.c (c_common_post_options): Fix a typo in comments.
7056
7057 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
7058
7059         PR middle-end/38615
7060         * gimplify.c (gimplify_init_constructor): Fix promotion of const
7061         variables to static.
7062         * doc/invoke.texi (-fmerge-all-constants): Update description.
7063
7064 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
7065
7066         PR target/38931
7067         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
7068         (*movdi_1_rex64): Use type "mmx" for alternative 5.
7069
7070 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
7071
7072         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
7073         a word boundary.
7074         (LOCAL_ALIGNMENT): Similarly.
7075
7076 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
7077             Joseph Myers  <joseph@codesourcery.com>
7078
7079         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
7080         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
7081         * config/arm/arm-tune.md: Regenerate.
7082         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
7083         -march=iwmmxt2.
7084
7085 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
7086
7087         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
7088         version number to five.
7089
7090 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
7091
7092         PR c++/38930
7093         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
7094         * c-common.c (set_underlying_type): Likewise.
7095         (is_typedef_decl ): Likewise
7096         * tree.h: Likewise
7097         (set_underlying_type): Likewise.
7098         (is_typedef_type): Likewise.
7099
7100 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7101
7102         PR middle-end/38587
7103         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
7104         crossing setjmps.
7105
7106 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
7107
7108         PR bootstrap/37660
7109         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
7110         (LIBGCC_SPEC):  Don't define.
7111         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
7112
7113 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
7114
7115         PR rtl-optimization/38879
7116         * alias.c (base_alias_check): Unaligned access via AND address can
7117         alias all surrounding object types except those with sizes equal
7118         or wider than the size of unaligned access.
7119
7120 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
7121
7122         PR c++/26693
7123         * c-decl.c (clone_underlying_type): Move this ...
7124         * c-common.c (set_underlying_type): ... here.
7125         Also, make sure the function properly sets TYPE_STUB_DECL() on
7126         the newly created typedef variant type.
7127         (is_typedef_decl ): New entry point.
7128         * tree.h: Added a new member member_types_needing_access_check to
7129         struct tree_decl_non_common.
7130         (set_underlying_type): New entry point.
7131         (is_typedef_type): Likewise.
7132
7133 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
7134
7135         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
7136         Check whether two instructions have memory references that
7137         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
7138         are helper functions for traversing.
7139         * alias.h (insn_alias_sets_confilict_p): New prototypes.
7140         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
7141         not to draw dependency edge for instructions with non-conflicting
7142         alias sets.
7143
7144 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
7145
7146         PR other/38758
7147         * longlong.h: Update copyright years.  Use soft-fp license notice.
7148         Sync __clz_tab declaration with glibc.
7149
7150 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
7151
7152         PR target/30687
7153         * doc/extend.texi (syscall_linkage): New.
7154         (version_id): Modify.
7155
7156 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7157             Richard Guenther  <rguenther@suse.de>
7158
7159         PR tree-optimization/38747
7160         PR tree-optimization/38748
7161         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
7162         conversion if the base address is an indirect reference and the
7163         aliasing sets could cause issues.
7164
7165 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
7166
7167         * common.opt (fgraphite, fgraphite-identity): Add comment for
7168         explaining why these options are not documented.
7169
7170 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
7171
7172         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
7173         gimple_call_lhs is NULL.
7174
7175 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
7176
7177         PR target/38868
7178         * emit-rtl.c (adjust_address_1): Make sure memref is never
7179         overwritten.
7180
7181 2009-01-20  Ben Elliston  <bje@au.ibm.com>
7182
7183         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
7184         const qualifier from arg parameter. Remove unnecessary cast to char *.
7185         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
7186         const qualifier from arg 2.
7187
7188 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
7189
7190         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
7191
7192 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
7193
7194         PR c/38869
7195         * rtl.h (reinit_regs): New prototype.
7196         * regclass.c: Include ira.h.
7197         (reinit_regs): New.
7198         * Makefile.in (regclass.o): Add ira.h.
7199         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
7200
7201 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
7202
7203         PR target/38736
7204         * c-common.c (handle_aligned_attribute): Use
7205         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
7206         default alignment value.
7207
7208         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
7209
7210         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
7211         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
7212
7213         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
7214         __BIGGEST_ALIGNMENT__.
7215
7216         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
7217
7218 2009-01-18  Richard Guenther  <rguenther@suse.de>
7219
7220         PR tree-optimization/38819
7221         * tree-flow.h (operation_could_trap_helper_p): Declare.
7222         * tree-eh.c (operation_could_trap_helper_p): Export.
7223         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
7224         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
7225         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
7226         are about to insert a possibly trapping instruction and fail
7227         in this case.
7228
7229 2009-01-18  Andreas Schwab  <schwab@suse.de>
7230
7231         * doc/install.texi (Configuration): Remove obsolete paragraph
7232         about use of --with-gnu-ld with --with-gnu-as.
7233
7234 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
7235
7236         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
7237         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
7238         Follow spelling conventions.
7239
7240 2009-01-18  Ben Elliston  <bje@au.ibm.com>
7241
7242         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
7243         C++ warning about implicit conversion from void * to struct
7244         bitmap_head_def *.
7245         (bitmap_obstack_free): Likewise for bitmap_element *.
7246         * Makefile.in (bitmap.o-warn): Remove.
7247
7248 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
7249
7250         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
7251
7252 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
7253             Tobias Grosser  <tobi.grosser@amd.com>
7254
7255         * graphite.c (graphite_trans_scop_block): Do not block single
7256         nested loops.
7257
7258 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
7259
7260         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
7261         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
7262         test with assertion.
7263
7264 2009-01-16  Richard Guenther  <rguenther@suse.de>
7265
7266         PR tree-optimization/38835
7267         PR middle-end/36227
7268         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
7269         and INT + PTR -> (INT)(PTR p+ INT) folding.
7270         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
7271
7272 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
7273
7274         PR target/38554
7275         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
7276         the subreg from a lowpart subreg if it is also casting the value.
7277
7278 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7279             Tobias Grosser  <tobi.grosser@amd.com>
7280
7281         * graphite.c (compare_prefix_loops): New.
7282         (build_scop_canonical_schedules): Rewritten.
7283         (graphite_transform_loops): Move build_scop_canonical_schedules
7284         after build_scop_iteration_domain.
7285
7286 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7287             Tobias Grosser  <tobi.grosser@amd.com>
7288
7289         * graphite.c (add_conditions_to_domain): Add the loops to
7290         the dimension of the iteration domain.  Do copy the domain
7291         only when it exists.
7292         (build_scop_conditions_1): Do not call add_conditions_to_domain.
7293         (add_conditions_to_constraints): New.
7294         (can_generate_code_stmt, can_generate_code): Removed.
7295         (gloog): Do not call can_generate_code.
7296         (graphite_transform_loops): Call add_conditions_to_constraints
7297         after building the iteration domain.
7298
7299 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
7300
7301         PR tree-optimization/38789
7302         * tree-ssa-threadedge.c
7303         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
7304         __builtin_constant_p.
7305
7306 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
7307
7308         * dce.c (delete_unmarked_insns): Reversed the order that insns are
7309         examined before deleting them.
7310
7311 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
7312
7313         * function.c (aggregate_value_p): Correctly extract the function
7314         type from CALL_EXPR_FN lookup.
7315
7316 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7317
7318         * config/picochip/picochip.c (picochip_override_options): Revert
7319         CFI asm flag disable commited previously.
7320
7321 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
7322             Tobias Grosser  <tobi.grosser@amd.com>
7323             Jan Sjodin  <jan.sjodin@amd.com>
7324
7325         * graphite.c (scan_tree_for_params): On substractions negate
7326         all the coefficients of the term.
7327         (clast_to_gcc_expression_red): New.  Handle reduction expressions
7328         of more than two operands.
7329         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
7330         (get_vdef_before_scop): Handle also the case of default definitions.
7331
7332 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
7333
7334         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
7335         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
7336         Also use them when walking CALL_INSN_FUNCTION_USAGE.
7337
7338 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
7339             Joey Ye  <joey.ye@intel.com>
7340
7341         PR middle-end/37843
7342         * cfgexpand.c (expand_stack_alignment): Don't update stack
7343         boundary nor check incoming stack boundary here.
7344         (gimple_expand_cfg): Update stack boundary and check incoming
7345         stack boundary here.
7346
7347 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
7348
7349         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
7350
7351 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
7352
7353         PR rtl-optimization/38245
7354         * calls.c (expand_call): Add stack arguments to
7355         CALL_INSN_FUNCTION_USAGE even for pure calls (when
7356         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
7357         in regs and partially in memory or BLKmode arguments.
7358         (emit_library_call_value_1): Add stack arguments to
7359         CALL_INSN_FUNCTION_USAGE even for pure calls (when
7360         ACCUMULATE_OUTGOING_ARGS).
7361         * dce.c: Include tm_p.h.
7362         (find_call_stack_args): New function.
7363         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
7364         argument.
7365         (mark_insn): Call find_call_stack_args for CALL_Ps.
7366         (prescan_insns_for_dce): Walk insns backwards in bb rather than
7367         forwards.  Allocate and free arg_stores bitmap if needed, pass it
7368         down to deletable_insn_p, don't mark stores set in arg_stores
7369         bitmap, clear the bitmap at the beginning of each bb.
7370         * Makefile.in (dce.o): Depend on $(TM_P_H).
7371
7372 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
7373
7374         PR target/22599
7375         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
7376         to make sure the insn is a conditional test (bug 22599).  Reformat a
7377         few long lines.
7378
7379 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
7380
7381         PR middle-end/38431
7382         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
7383         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
7384         (gloog): Do not call cleanup_tree_cfg.
7385         (graphite_transform_loops): Call cleanup_tree_cfg after all
7386         scops have been code generated.
7387
7388 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
7389         * doc/gty.texi (Invoking the garbage collector): Added new node
7390         and section documenting ggc_collect.
7391
7392 2009-01-14  Richard Guenther  <rguenther@suse.de>
7393
7394         PR tree-optimization/38826
7395         PR middle-end/38477
7396         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
7397         initialization notes only if we actually emitted a warning.
7398         (intra_create_variable_infos): Add constraints for a result decl
7399         that is passed by hidden reference.
7400         (build_pred_graph): Mark all related variables non-direct on
7401         address-taking.
7402
7403 2009-01-14  Nick Clifton  <nickc@redhat.com>
7404
7405         * ira-conflicts.c: Include addresses.h for the definition of
7406         base_reg_class.
7407         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
7408         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
7409
7410 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
7411
7412         PR target/38811
7413         * Makefile.in (ira-lives.o): Add except.h.
7414
7415         * ira-lives.c: Include except.h.
7416         (process_bb_node_lives): Process can_throw_internal.
7417
7418 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
7419
7420         PR rtl-optimization/38774
7421         * combine.c (simplify_set): When undoing cc_use change, don't do
7422         PUT_CODE on the newly created comparison, but instead put back the
7423         old comparison.
7424
7425 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
7426
7427         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
7428         values.  Remove duplicate arm8 entry.
7429
7430 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
7431
7432         PR tree-optimization/38786
7433         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
7434         the SSA_NAME case of expand_scalar_variables_expr.
7435         Set the type of an expression to the type of its assign statement.
7436         (expand_scalar_variables_expr): Also gather the scalar computation
7437         used to index the memory access.  Do not pass loop_p.
7438         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
7439         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
7440         the gimple_stmt_iterator where it inserts new code.
7441         Do not pass loop_p.
7442         (copy_bb_and_scalar_dependences): Do not pass loop_p.
7443         (translate_clast): Update call to copy_bb_and_scalar_dependences.
7444
7445 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
7446
7447         * graphite.h (debug_value): Removed.
7448         * graphite.c (debug_value): Removed.
7449
7450 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
7451
7452         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
7453         ldrd/strd with two 32-bit instructions.
7454
7455 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
7456
7457         * config/arm/arm.c (struct processors): Pass for speed down into
7458         cost helper functions.
7459         (const_ok_for_op): Handle COMPARE and inequality nodes.
7460         (arm_rtx_costs_1): Rewrite.
7461         (arm_size_rtx_costs): Update prototype.
7462         (arm_rtx_costs): Pass speed down to helper functions.
7463         (arm_slowmul_rtx_costs): Rework cost calculations.
7464         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
7465         (arm_9e_rtx_costs): Likewise.
7466
7467 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
7468
7469         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
7470         relocations of local symbols wider than UNITS_PER_WORD are not valid.
7471         (alpha_legitimize_address): Do not split local symbols wider than
7472         UNITS_PER_WORD into HIGH/LO_SUM parts.
7473
7474 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
7475
7476         PR bootstrap/38580
7477         * gcc.c (process_command): Replace call to execvp with calls
7478         to pex_one and exit.
7479
7480 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
7481
7482         PR target/29141
7483         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
7484         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
7485         variant for devices with 3-byte PC.
7486         (__tablejump_elpm__): New.
7487
7488 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
7489
7490         PR c/32041
7491         * c-parser.c (c_parser_postfix_expression): Allow `->' in
7492         offsetof member-designator, handle it as `[0].'.
7493
7494 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7495
7496         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
7497         function when not using named sections on targets with named sections
7498         if branch distance is less than 262132.
7499
7500 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
7501
7502         * combine.c (combine_instructions):  Recompute
7503         optimize_this_for_speed_p  for each BB in the main combine loop.
7504
7505 2009-01-12  Tomas Bily  <tbily@suse.cz>
7506
7507         PR middlend/38385
7508         * tree-loop-distribution.c (prop_phis): New function.
7509         (generate_builtin): Call prop_phis.
7510         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
7511
7512 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
7513
7514         PR tree-optimization/38807
7515         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
7516         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
7517
7518 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
7519
7520         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
7521         subreg of op0 to the original op0.
7522
7523 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
7524
7525         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
7526
7527 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
7528
7529         PR debug/7055
7530         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
7531         starting with digits.
7532
7533 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
7534
7535         PR target/38695
7536         * config/arm/arm.c (arm_is_long_call_p): Don't call
7537         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
7538
7539 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
7540
7541         * regrename.c (regrename_optimize): Fix dumping.
7542         (find_oldest_value_reg): Preserve REG_POINTER.
7543         (copy_hardreg_forward_1): Likewise.
7544
7545 2009-01-09  Diego Novillo  <dnovillo@google.com>
7546
7547         * gimple.h (struct gimple_statement_base) <uid>: Document
7548         the restrictions on its use.
7549         (gimple_uid): Tidy.
7550         (gimple_set_uid): Tidy.
7551
7552 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7553
7554         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
7555         zero guard even if align_bytes != 0 and count is smaller than
7556         size_needed.
7557
7558 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
7559
7560         PR rtl-optimization/38495
7561         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
7562         (add_range_and_copies_from_move_list): Print all added ranges.
7563         Add ranges to memory optimized destination.
7564
7565 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7566
7567         PR target/38686
7568         PR target/38708
7569         * config/i386/i386.c (override_options): Reject
7570         -mstringop-strategy=rep_8byte with -m32.
7571         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
7572         to 1.  Do count comparison against epilogue_size_needed at compile
7573         time even when count_exp was constant forced into register.  For
7574         size_needed don't jump to epilogue, instead just avoid aligning
7575         and invoke the body algorithm.  If need_zero_guard, add zero guard
7576         even if count is non-zero, but smaller than size_needed + number of
7577         bytes that could be stored for alignment.
7578         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
7579         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
7580         but smaller than size_needed + number of bytes that could be stored
7581         for alignment.  Compare size_needed with epilogue_size_needed instead
7582         of desired_align - align, don't adjust size_needed, pass
7583         epilogue_size_needed to the epilogue expanders.
7584
7585         PR c/35742
7586         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
7587
7588 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7589
7590         * pa.c (last_address): Change to unsigned.
7591         (update_total_code_bytes): Change argument to unsigned.  Don't
7592         check if insn addresses are set.
7593         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
7594         addresses are not set.
7595         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
7596
7597 2009-01-09  Nick Clifton  <nickc@redhat.com>
7598
7599         * config/sh/symbian.c: Replace uses of DECL_INLINE with
7600         DECL_DECLARED_INLINE_P.
7601
7602 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7603
7604         PR middle-end/38347
7605         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
7606         GET_MODE (op0) in operand_subword_force calls.
7607
7608         PR middle-end/38771
7609         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
7610         fold_convert arg0 operands to TREE_TYPE (op0) first.
7611
7612 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
7613
7614         * params.def (ira-max-conflict-table-size): Decrease default value
7615         to 1000.
7616
7617 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
7618
7619         PR tree-optimization/37031
7620         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
7621         on parameter_set.
7622         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
7623         allocate it using gc instead of heap, use VEC_quick_push instead of
7624         VEC_safe_push.
7625         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
7626         instead of heap, use VEC_quick_push instead of VEC_safe_push.
7627         * tree-data-ref.h (struct access_matrix): Change matrix to gc
7628         allocated vector from heap allocated.
7629         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
7630         * tree-loop-linear.c (linear_transform_loops): Allocate nest
7631         vector only after perfect_loop_nest_depth call.
7632
7633 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
7634             Jan Sjodin  <jan.sjodin@amd.com>
7635
7636         PR tree-optimization/38559
7637         * graphite.c (debug_value, copy_constraint,
7638         swap_constraint_variables, scale_constraint_variable, ): New.
7639         (get_lower_bound, get_upper_bound): Removed.
7640         (graphite_trans_bb_strip_mine): Clean up this code that works
7641         only for constant number of iterations.  Fully copy upper and
7642         lower bound constraints, not only the constant part of them.
7643         * graphite.h (debug_value): Declared.
7644
7645 2009-01-08  Ira Rosen  <irar@il.ibm.com>
7646
7647         PR tree-optimization/37194
7648         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
7649         Don't add the cost of cost model guard in prologue to scalar
7650         outside cost in case of known number of iterations.
7651
7652 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
7653             Alan Modra  <amodra@bigpond.net.au>
7654
7655         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
7656         non-word-aligned REG+CONST addressing.
7657
7658 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7659
7660         PR target/38706
7661         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
7662         free_after_compilation when outputting a thunk.
7663         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
7664         Do not call free_after_compilation here.
7665
7666 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7667
7668         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7669         (ix86_valid_target_attribute_inner_p): Ditto.
7670
7671 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7672
7673         PR tree-optimization/38492
7674         PR tree-optimization/38498
7675         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7676         * tree-chrec.h (scev_is_linear_expression): Declared.
7677         * graphite.c (graphite_cannot_represent_loop_niter): New.
7678         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7679         (graphite_loop_normal_form): Use gcc_assert.
7680         (scan_tree_for_params): Use CASE_CONVERT.
7681         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7682         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7683         Use gcc_assert.  Discard scops that contain unhandled cases.
7684         (build_scop_conditions): Return a boolean status for unhandled cases.
7685         (strip_mine_profitable_p): Print the loop number, not its depth.
7686         (is_interchange_valid): Pass the depth of the loop nest, don't
7687         recompute it wrongly.
7688         (graphite_trans_bb_block): Same.
7689         (graphite_trans_bb_block): Print tentative of loop blocking.
7690         (graphite_trans_scop_block): Do not print that the loop has been
7691         blocked.
7692         (graphite_transform_loops): Do not handle scops that contain condition
7693         scalar phi nodes.
7694
7695 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7696
7697         AVX Programming Reference (December, 2008)
7698         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7699         (_mm256_stream_pd): Likewise.
7700         (_mm256_stream_ps): Likewise.
7701
7702         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7703         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7704         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7705         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7706         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7707         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7708         (ix86_expand_special_args_builtin): Likewise.
7709
7710         * config/i386/sse.md (AVXMODEDI): New.
7711         (avx_movnt<mode>): Likewise.
7712         (avx_movnt<mode>): Likewise.
7713         (<sse>_movnt<mode>): Remove AVX support.
7714         (sse2_movntv2di): Likewise.
7715
7716 2009-01-07  Richard Guenther  <rguenther@suse.de>
7717
7718         PR middle-end/38751
7719         * fold-const.c (extract_muldiv): Remove obsolete comment.
7720         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7721         to PLUS_EXPR canonicalization for the canonicalization.
7722
7723 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7724
7725         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7726         hosted cross-compilers generating less efficient code.
7727
7728 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7729
7730         * function.h (rtl_data): Add a dbr_scheduled_p field.
7731         * reorg.c (dbr_schedule): Set it.
7732         (gate_handle_delay_slots): Check it.
7733         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7734         (mips_reorg): Check flag_delayed_branch instead of
7735         mips_base_delayed_branch.
7736         (mips_override_options): Don't set mips_base_delayed_branch
7737         or flag_delayed_branch.
7738
7739 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7740
7741         PR rtl-optimization/38426.
7742         * ira.c (ira): Set current_function_is_leaf earlier.
7743
7744 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7745
7746         PR rtl-optimization/38722
7747         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7748         too early, only set a flag and modify after last possible
7749         undo_all point.
7750
7751 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7752
7753         PR c/34252
7754         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7755         * real.c (decimal_single_format): Correct values of emin and emax.
7756         (decimal_double_format): Ditto.
7757         (decimal_quad_format): Ditto.
7758         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7759         computation of DECnn_MIN and DECnn_MAX for corrected values of
7760         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7761         __DECnn_MIN__, and adjust its computation for the corrected value
7762         of emin.
7763
7764 2009-01-06  Jan Hubicka  <jh@suse.cz>
7765
7766         PR target/38744
7767         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7768
7769 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7770
7771         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7772         Add Robert Clark to the list of testers.
7773
7774 2009-01-06  Jan Hubicka  <jh@suse.cz>
7775             Kai Tietz  <kai.tietz@onevision.com>
7776
7777         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7778         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7779
7780 2009-01-06  Jan Hubicka  <jh@suse.cz>
7781             Kai Tietz  <kai.tietz@onevision.com>
7782
7783         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7784         for w64 ABI.
7785         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7786         (ix86_nsaved_regs): Count only general purpose regs.
7787         (ix86_nsaved_sseregs): New.
7788         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7789         to 16 for w64; compute padding and size of sse reg save area.
7790         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7791         general purpose regs.
7792         (ix86_emit_save_sse_regs_using_mov): New.
7793         (ix86_expand_prologue): Save SSE regs if needed.
7794         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7795         (ix86_emit_restore_sse_regs_using_mov): New.
7796         (ix86_expand_epilogue): Save SSE regs if needed.
7797
7798 2009-01-06  Jan Hubicka  <jh@suse.cz>
7799             Kai Tietz  <kai.tietz@onevision.com>
7800
7801         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7802         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7803         functions when accumulate outgoing args is off.
7804
7805 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7806
7807         PR bootstrap/38742
7808         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7809         before using pseudos_have_intersected_live_ranges_p.
7810
7811         * ira-int.h (ira_assert): Always define.
7812
7813 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7814
7815         AVX Programming Reference (December, 2008)
7816         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7817         (_mm256_permute2_pd): Likewise.
7818         (_mm_permute2_ps): Likewise.
7819         (_mm256_permute2_ps): Likewise.
7820         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7821         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7822
7823         * config/i386/i386.c (ix86_builtins): Remove
7824         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7825         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7826         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7827         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7828         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7829         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7830         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7831         __builtin_ia32_vpermil2ps256.
7832         (ix86_init_mmx_sse_builtins): Updated.
7833         (ix86_expand_args_builtin): Likewise.
7834
7835 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7836
7837         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7838         long absolute calls when generating PA 2.0 code.
7839
7840 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7841
7842         PR rtl-optimization/38583
7843         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7844
7845         * params.def (ira-max-conflict-table-size): New.
7846
7847         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7848
7849         * ira.h (ira_conflicts_p): New external definition.
7850
7851         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7852         table.  Report this.  Return result of building.
7853         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7854         building conflict table.
7855
7856         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7857         (ira_color): Use ira_conflicts_p.
7858
7859         * global.c: Include ira.h.
7860         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7861         ira_conflicts_p.
7862
7863         * Makefile.in (global.o): Add ira.h.
7864
7865         * ira-build.c (mark_all_loops_for_removal,
7866         propagate_some_info_from_allocno): New.
7867         (remove_unnecessary_allocnos): Call
7868         propagate_some_info_from_allocno.
7869         (remove_low_level_allocnos): New.
7870         (remove_unnecessary_regions): Add parameter.  Call
7871         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7872         parameter to remove_unnecessary_regions.
7873         (ira_build): Remove all regions but root if the conflict table was
7874         not built.  Update conflict hard regs for allocnos crossing calls.
7875
7876         * ira.c (ira_conflicts_p): New global.
7877         (ira): Define and use ira_conflicts_p.
7878
7879         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7880         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7881         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7882
7883 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7884
7885         * gengtype-lex.l (YY_NO_INPUT): Define.
7886
7887 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7888
7889         PR c/34911
7890         * c-common.c (handle_vector_size_attribute): Also reject
7891         BOOLEAN_TYPE types.
7892
7893 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7894
7895         PR tree-optimization/38492
7896         * graphite.c (rename_map_elt, debug_rename_elt,
7897         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7898         rename_map_elt_info, eq_rename_map_elts,
7899         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7900         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7901         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7902         (sese_build_livein_liveouts): New.
7903         (new_sese, free_sese): New.
7904         (new_scop): Call new_sese.
7905         (free_scop): Call free_sese.
7906         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7907         (register_old_new_names): Renamed register_old_and_new_names.
7908         (register_scop_liveout_renames, add_loop_exit_phis,
7909         insert_loop_close_phis, struct igp,
7910         default_liveout_before_guard, add_guard_exit_phis,
7911         insert_guard_phis, copy_renames): New.
7912         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7913         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7914         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7915         (scop_adjust_phis_for_liveouts): New.
7916         (gloog): Call scop_adjust_phis_for_liveouts.
7917
7918         * graphite.h (struct sese): Documented.  Added fields liveout,
7919         num_ver and livein.
7920         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7921         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7922         (struct scop): Added field liveout_renames.
7923         (SCOP_LIVEOUT_RENAMES): New.
7924
7925 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7926
7927         PR tree-optimization/38510
7928         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7929         (translate_clast): Call recompute_all_dominators before
7930         graphite_verify.
7931         (gloog): Call recompute_all_dominators before graphite_verify.
7932
7933 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7934             Jan Sjodin  <jan.sjodin@amd.com>
7935
7936         PR tree-optimization/38500
7937         * graphite.c (create_sese_edges): Call fix_loop_structure after
7938         splitting blocks.
7939
7940 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7941
7942         * config.gcc: Add m32r*-*-rtems*.
7943         * config/m32r/rtems.h: New file.
7944
7945 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7946
7947         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7948         (.po.pox): Likewise.
7949         (po/gcc.pot): Likewise.
7950
7951 2009-01-04  David S. Miller  <davem@davemloft.net>
7952
7953         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7954         (STARTING_FRAME_OFFSET): Always set to zero.
7955
7956 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7957
7958         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7959         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7960         fixed-point types, and vectors of the same.
7961
7962 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7963
7964         * config/mips/sync.md (*mb_barrier): Rename to...
7965         (*memory_barrier): ...this.
7966
7967 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7968
7969         * doc/extend.texi (Function Attributes): Move @cindex after @item
7970         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7971         and put in alphabetical order. Fix 'target' name and put in order.
7972         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7973         typos.
7974
7975 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
7976
7977         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
7978         (memory_barrier): Expand as unspec instead of unspec_volatile.
7979         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7980         (*memory_barrier): Define as unspec instead of unspec_volatile.
7981         Use (match_dup 0) as input operand.
7982
7983         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
7984         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
7985         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
7986         scratch register.  Remove operand 1.
7987         (*stbar): Define as unspec instead of unspec_volatile.
7988         Use (match_dup 0) as input operand, remove (const_int 8).
7989         (*membar): Define as unspec instead of unspec_volatile.
7990         Use (match_dup 0) as input operand, remove input operand 2.
7991
7992         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
7993         (memory_barrier): Expand as unspec instead of unspec_volatile.
7994         Remove mem:BLK from insn operands.  Use Pmode scratch register.
7995         (*memory_barrier): Define as unspec instead of unspec_volatile.
7996         Use (match_dup 0) as input operand.
7997
7998         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
7999         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8000         Set volatile flag on operand 0.
8001         (*memory_barrier): New insn pattern.
8002
8003         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
8004         insn operands.
8005         (*memory_barrier): Use (match_dup 0) as input operand.
8006
8007         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
8008         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8009         Set volatile flag on operand 0.
8010         (*mb_internal): New insn pattern.
8011
8012         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
8013
8014 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
8015
8016         PR middle-end/38586
8017         * function.c (struct temp_slot): Move to the section of the file
8018         that deals with temp slots.  Remove field 'address'.
8019         (temp_slot_address_table): New hash table of address -> temp slot.
8020         (struct temp_slot_address_entry): New struct, items for the table.
8021         (temp_slot_address_compute_hash, temp_slot_address_hash,
8022         temp_slot_address_eq, insert_temp_slot_address): Support functions
8023         for the new table.
8024         (find_temp_slot_from_address): Rewrite to use the new hash table.
8025         (remove_unused_temp_slot_addresses): Remove addresses of temp
8026         slots that have been made available.
8027         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
8028         worker function for remove_unused_temp_slot_addresses.
8029         (assign_stack_temp_for_type): Don't clear the temp slot address list.
8030         Add the temp slot address to the address -> temp slot map.
8031         (update_temp_slot_address): Update via insert_temp_slot_address.
8032         (free_temp_slots): Call remove_unused_temp_slot_addresses.
8033         (pop_temp_slots): Likewise.
8034         (init_temp_slots): Allocate the address -> temp slot map, or empty
8035         the map if it is already allocated.
8036         (prepare_function_start): Initialize temp slot processing.
8037
8038 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
8039
8040         PR middle-end/38584
8041         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
8042         Calculate the size of all stack vars assuming no packing of stack
8043         vars will happen, replacing a quadratic algorithm with a linear one.
8044
8045 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
8046
8047         PR target/38707
8048         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
8049         can't be used.
8050
8051 2009-01-03  Diego Novillo  <dnovillo@google.com>
8052
8053         * doc/contrib.texi: Update contributions.
8054
8055 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
8056
8057         PR c++/38705
8058         * builtins.c (fold_builtin_memory_op): Give up if either operand
8059         is volatile.  Set srctype or desttype to non-qualified version
8060         of the other type.
8061
8062         PR c/38700
8063         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
8064         and FUNCTION_DECLs.
8065
8066 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
8067
8068         PR rtl-optimization/35805
8069         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
8070         problem if fast dce is able to remove any instructions.
8071         * dce.c (dce_process_block): Fix dump message.
8072
8073 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
8074
8075         PR 33649
8076         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
8077
8078 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
8079
8080         PR middle-end/38690
8081         * tree-flow.h (op_code_prio, op_prio): New prototypes.
8082         * tree-pretty-print.c (op_code_prio): New function.
8083         (op_prio): No longer static.  Use op_code_prio.
8084         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
8085         Use op_prio and op_code_prio to determine if () should be
8086         printed around operand(s) or not.
8087
8088         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
8089         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
8090         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
8091         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
8092         pp_character instead of pp_string for single letter printing.
8093
8094 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
8095
8096         * doc/extend.texi: Fix '#pragma GCC option' typo.
8097
8098 2009-01-02  Richard Guenther  <rguenther@suse.de>
8099
8100         * doc/install.texi (--enable-checking): Mention different
8101         default for stage1.
8102         (--enable-stage1-checking): Document.
8103
8104 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
8105
8106         PR middle-end/30142
8107         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
8108         case to be an error.
8109
8110 2009-01-02  Ben Elliston  <bje@au.ibm.com>
8111
8112         * config/fp-bit.h (pack_d): Constify argument.
8113         * config/fp-bit.c (makenan): Constify return type. Remove casts.
8114         (isnan): Constify argument.
8115         (isinf): Likewise.
8116         (iszero): Likewise.
8117         (pack_d): Likewise.
8118         (_fpadd_parts): Constify return type.
8119         (_fpmul_parts): Likewise.
8120         (_fpdiv_parts): Likewise.
8121
8122 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
8123
8124         PR c/36489
8125         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
8126         warn about overwriting initializer with side-effects or
8127         -Woverride-init if !IMPLICIT.
8128         (output_init_element): Likewise.  Pass IMPLICIT down to
8129         add_pending_init.
8130         (process_init_element): Add IMPLICIT argument.  Pass it down
8131         to output_init_element.
8132         (push_init_element, pop_init_level, set_designator): Adjust
8133         process_init_element callers.
8134         (set_nonincremental_init, set_nonincremental_init_from_string):
8135         Adjust add_pending_init callers.
8136         (output_pending_init_elements): Adjust output_init_element callers.
8137         * c-tree.h (process_init_element): Adjust prototype.
8138         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
8139         process_init_element callers.
8140
8141 \f
8142 Copyright (C) 2009 Free Software Foundation, Inc.
8143
8144 Copying and distribution of this file, with or without modification,
8145 are permitted in any medium without royalty provided the copyright
8146 notice and this notice are preserved.