gcc/ChangeLog

   1 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
   2
   3         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
   4         (sdbout_parms):  Likewise.
   5
   6 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
   7
   8         * config/sh/sh.c (prepare_cbranch_operands): Use
   9         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
  10         (expand_cbranchdi4): Likewise.
  11         (from_compare): Add cast to enum type.
  12         (expand_cbranchsi4): Use add_reg_note.
  13         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
  14         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
  15         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
  16         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
  17         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
  18         instead of CODE_FOR_nothing.
  19         (cbranchdi4): Likewise.  Fix the order of arguments for
  20         gen_rtx_fmt_ee.
  21         (push_fpscr): Use add_reg_note.
  22         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
  23         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
  24
  25 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
  26
  27         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
  28         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
  29         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
  30         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
  31         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
  32         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
  33         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
  34         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
  35         config/alpha/x-vms, config/arc/t-arc,
  36         config/arm/README-interworking, config/arm/arm-c.c,
  37         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
  38         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
  39         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
  40         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
  41         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
  42         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
  43         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
  44         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
  45         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
  46         config/cris/t-elfmulti, config/crx/t-crx,
  47         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
  48         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
  49         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
  50         config/h8300/t-h8300, config/i386/athlon.md,
  51         config/i386/darwin-libgcc.10.4.ver,
  52         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
  53         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
  54         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
  55         config/i386/t-linux64, config/i386/t-nwld,
  56         config/i386/t-rtems-i386, config/i386/t-sol2-10,
  57         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
  58         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
  59         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
  60         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
  61         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
  62         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
  63         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
  64         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
  65         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
  66         config/m68k/t-uclinux, config/mcore/t-mcore,
  67         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
  68         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
  69         config/mips/crtn.asm, config/mips/irix-crti.asm,
  70         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
  71         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
  72         config/mips/mips-fixed.md, config/mips/sb1.md,
  73         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
  74         config/mips/t-iris6, config/mips/t-isa3264,
  75         config/mips/t-libgcc-mips16, config/mips/t-linux64,
  76         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
  77         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
  78         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
  79         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
  80         config/mn10300/t-linux, config/mn10300/t-mn10300,
  81         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
  82         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
  83         config/picochip/libgccExtras/clzsi2.asm,
  84         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
  85         config/rs6000/darwin-libgcc.10.4.ver,
  86         config/rs6000/darwin-libgcc.10.5.ver,
  87         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
  88         config/rs6000/t-aix43, config/rs6000/t-aix52,
  89         config/rs6000/t-darwin, config/rs6000/t-fprules,
  90         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
  91         config/rs6000/t-lynx, config/rs6000/t-netbsd,
  92         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
  93         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
  94         config/rs6000/t-rtems, config/rs6000/t-spe,
  95         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
  96         config/score/t-score-elf, config/sh/divcost-analysis,
  97         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
  98         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
  99         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
 100         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
 101         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
 102         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
 103         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
 104         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
 105         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
 106         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
 107         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
 108         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
 109         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
 110         limitx.h, version.c, xcoff.h: Add copyright and license notices.
 111         * config/h8300/genmova.sh: Include copyright and license notices
 112         in generated output.
 113         * config/h8300/mova.md: Regenerate.
 114         * doc/install.texi2html: Include word "Copyright" in copyright
 115         notice and use name "Free Software Foundation, Inc.".
 116         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
 117         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
 118         ChangeLog-2007, ChangeLog-2008: Correct dates.
 119
 120 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
 121
 122         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
 123         NE_EXPR operations as well.
 124         * c-parser.c (c_parser_condition): Do not set location information on
 125         the condition.
 126         (c_parser_conditional_expression): Likewise.
 127         (c_parser_binary_expression): Set location information on operators.
 128         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
 129         TRUTH_NOT_EXPR has been folded.
 130         * fold-const.c (fold_truth_not_expr): Copy location information from
 131         the incoming expression to the outgoing one.
 132         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
 133         recursive calls on the LHS of the operator but pass that of the
 134         operator to recursive calls on the RHS of the operator.  Set it
 135         on the COND_EXPR.
 136         (shortcut_cond_expr): Set the locus of the operator on the second
 137         COND_EXPR and that of the expression on the first in degenerate cases.
 138         Pass the locus of the expression to calls to shortcut_cond_r.
 139         Set the locus of the 'then' block on the associated jump, if any.
 140         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
 141         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
 142         expression to call to gimplify_boolean_expr.
 143
 144 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
 145
 146         * config.gcc: Add additional configuration for
 147         i686-w64-mingw* and x86_64-w64-mingw* triplet.
 148         * config/i386/mingw-w64.h: New mingw-w64 specific header.
 149         (CPP_SPEC): Redefine for allowing -municode option.
 150         (STARTFILE_SPEC): Likewise.
 151         * config/i386/t-mingw-w64: New.
 152         * config/i386/mingw-w64.opt: New.
 153         (municode): Add new target option.
 154         * doc/invoke.texi (municode): Add documentation for new option.
 155
 156 2009-04-21  Ian Lance Taylor  <iant@google.com>
 157
 158         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 159         Correct test for number of arguments.
 160         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
 161
 162 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
 163
 164         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
 165         argument of emit_library_call.
 166
 167 2009-04-21  Richard Guenther  <rguenther@suse.de>
 168
 169         PR middle-end/39829
 170         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
 171         inside VIEW_CONVERT_EXPRs.
 172
 173 2009-04-21  Martin Jambor  <mjambor@suse.cz>
 174
 175         * tree-switch-conversion.c (build_constructors): Split a long line.
 176         (constructor_contains_same_values_p): New function.
 177         (build_one_array): Create assigns of constants if possible, do not call
 178         mark_sym_for_renaming, call update_stmt.
 179         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
 180         make_rename_temp.  Do not call mark_symbols_for_renaming, call
 181         update_stmt.
 182         (gen_def_assigns): Do not call mark_symbols_for_renaming or
 183         find_new_referenced_vars, call update_stmt.
 184         (gen_inbound_check): Use create_tmp_var and create ssa names manually
 185         instead of calling make_rename_temp.  Do not call
 186         find_new_referenced_vars or mark_symbols_for_renaming, call
 187         update_stmt.
 188
 189 2009-04-21  Richard Guenther  <rguenther@suse.de>
 190
 191         PR tree-optimization/39827
 192         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME
 193         is in range.
 194         (tree_ssa_phiprop): Pass the correct array size.
 195
 196 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
 197
 198         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
 199
 200 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 201
 202         PR 16202
 203         * c-typeck.c (lvalue_p): Move declaration ...
 204         * c-common.h (lvalue_p): ... to here.
 205         * c-common.c (candidate_equal_p): New.
 206         (add_tlist): Use it.
 207         (merge_tlist): Use it.
 208         (warn_for_collisions_1): Likewise.
 209         (warning_candidate_p): Accept more candidates.
 210         (verify_tree): A warning candidate can be an expression. Use
 211         candidate_equal_p.
 212
 213 2009-04-21  Ben Elliston  <bje@au.ibm.com>
 214
 215         PR target/5267
 216         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
 217         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
 218         options.  Remove -mcall-solaris documentation.
 219
 220 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 221
 222         PR c++/13358
 223         * doc/invoke.texi (-Wlong-long): Update description.
 224         * c-lex (interpret_integer): Only warn if there was no previous
 225         overflow and -Wlong-long is enabled.
 226         * c-decl.c (declspecs_add_type): Drop redundant flags.
 227         * c.opt (Wlong-long): Init to -1.
 228         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
 229         and front-end warn_long_long. Wlong-long only depends on other
 230         flags if it is uninitialized.
 231         * c-parser.c (disable_extension_diagnostics): warn_long_long is
 232         the same for CPP and FE.
 233         (restore_extension_diagnostics): Likewise.
 234
 235 2009-04-20  Ian Lance Taylor  <iant@google.com>
 236
 237         Fix enum conversions which are invalid in C++:
 238         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
 239         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
 240         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
 241         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
 242         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
 243         (dbxout_parms): Likewise.
 244         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
 245         (df_clear_flags): Likewise.
 246         * df-problems.c (df_rd_bb_local_compute_process_def): Change
 247         top_flag parameter to int.
 248         (df_chain_create_bb_process_use): Likewise.
 249         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
 250         Remove cast.
 251         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
 252         (df_ref_create_structure, df_def_record_1): Likewise.
 253         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
 254         (df_notes_rescan): Change 0 to VOIDmode in function call.
 255         (df_get_call_refs, df_insn_refs_collect): Likewise.
 256         (df_bb_regs_collect): Likewise.
 257         (df_entry_block_defs_collect): Likewise.
 258         (df_exit_block_uses_collect): Likewise.
 259         * df.h: Update declarations.
 260         * double-int.c (double_int_divmod): Add cast to enum type.
 261         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
 262         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
 263         (based_loc_descr): Likewise.
 264         (loc_descriptor_from_tree_1): Change first_op and second_op to
 265         enum dwarf_location_atom.  Add cast to enum type.
 266         * expmed.c (init_expmed): Change 0 to SET in function call.
 267         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
 268         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
 269         (do_store_flag): Likewise.
 270         * fixed-value.h (struct fixed_value): Change mode to enum
 271         machine_mode.
 272         * function.c (assign_parms): Change 0 to VOIDmode in function call.
 273         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
 274         function call.
 275         (insert_insn_decl, insert_decl, insert_state): Likewise.
 276         (automata_list_finish): Likewise.
 277         * genrecog.c (process_define_predicate): Add cast to enum type.
 278         * gensupport.c (init_predicate_table): Add cast to enum type.
 279         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
 280         function call.
 281         (gimple_build_call_1, gimple_build_label): Likewise.
 282         (gimple_build_goto, gimple_build_asm_1): Likewise.
 283         (gimple_build_switch_1, gimple_build_cdt): Likewise.
 284         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
 285         (enum fallback): Rename from enum fallback_t.
 286         (fallback_t): Typedef as int.
 287         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
 288         GSI_SAME_STMT in function call.
 289         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
 290         enum type.
 291         (setup_reg_class_relations): Likewise.
 292         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
 293         (setup_prohibited_class_mode_regs): Add cast to enum type.
 294         (setup_prohibited_mode_move_regs): Likewise.
 295         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
 296         (record_address_regs): Change i to enum reg_class.
 297         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
 298         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
 299         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
 300         (GET_MODE_2XWIDER_MODE): Likewise.
 301         (GET_CLASS_NARROWEST_MODE): Likewise.
 302         * omp-low.c (expand_omp_for): Add cast to enum type.
 303         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
 304         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
 305         * postreload.c (reload_cse_simplify_operands): Change rclass local
 306         to enum reg_class.
 307         * predict.c (combine_predictions_for_insn): Change best_predictor
 308         and predictor to enum br_predictor.
 309         (combine_predictions_for_bb): Likewise.
 310         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
 311         use SET_PREDICT_EXPR_OUTCOME.
 312         * real.c (real_arithmetic): Change icode to code in function call.
 313         * reginfo.c (init_move_cost): Add casts to enum type.
 314         (init_reg_sets_1, init_fake_stack_mems): Likewise.
 315         * regmove.c (regclass_compatible_p): Change class0 and class1 to
 316         enum reg_class.
 317         * reload.c (find_valid_class): Add casts to enum type.
 318         (push_reload): Change 0 to NO_REGS in function call.
 319         (find_reloads): Change this_alternative to array of enum
 320         reg_class.  Remove some now-unnecessary casts.
 321         (make_memloc): Change 0 to VOIDmode in function call.
 322         * reload1.c (reload): Change 0 to VOIDmode in function call.
 323         (eliminate_regs_1, elimination_effects): Likewise.
 324         (eliminate_regs_in_insn): Likewise.
 325         (emit_input_reload_insns): Add cast to enum type.
 326         (delete_output_reload): Change 0 to VOIDmode in function call.
 327         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
 328         to enum type in function call.
 329         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
 330         (SET_PREDICT_EXPR_OUTCOME): Define.
 331         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
 332         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
 333         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
 334         (dump_function): Likewise.
 335         * tree-dump.h: Update declarations.
 336         * tree-pass.h: Update declarations.
 337         * varasm.c (assemble_integer): Change mclass to enum mode_class.
 338         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
 339         enum type.
 340         (arm_rtx_costs_1): Correct parenthesization.
 341         (arm_rtx_costs): Add casts to enum type.
 342         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
 343         (vfp_emit_fstmd): Use add_rg_note.
 344         (emit_multi_reg_push, emit_sfm): Likewise.
 345         (thumb_set_frame_pointer): Likewise.
 346         (arm_expand_prologue): Likewise.
 347         (arm_regno_class): Change return type to enum reg_class.
 348         (thumb1_expand_prologue): Use add_reg_note.
 349         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
 350         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
 351         in function call.
 352         * config/arm/gentune.sh: Add cast to enum type.
 353         * config/arm/arm-tune.md: Rebuild.
 354         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
 355         (ix86_split_fp_branch, predict_jump): Likewise.
 356         (ix86_expand_multi_arg_builtin): Change sub_code from enum
 357         insn_code to enum rtx_code.
 358         (ix86_builtin_vectorized_function): Add cast to enum type.
 359         * config/i386/i386.md (truncdfsf2): Change slot to enum
 360         ix86_stack_slot.
 361         (truncxf<mode>2, isinf<mode>2): Likewise.
 362         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
 363         enum type.
 364         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
 365         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
 366         (insert_bundle_state): Change 1 to INSERT in function call.
 367         (ia64_add_bundle_selector_before): Likewise.
 368         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
 369         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
 370         (restore_stack_nonlocal): Likewise.
 371         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
 372         function call.
 373         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
 374         function call.
 375         (mips_rtx_costs): Likewise.
 376         (mips_override_options): Add casts to enum type.
 377         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
 378         in function call.
 379         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
 380         (store_reg, set_reg_plus_d): Likewise.
 381         (hppa_expand_prologue, hppa_profile_hook): Likewise.
 382         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
 383         cast to enum type.
 384         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
 385         function call.
 386         (emit_unlikely_jump): Use add_reg_note.
 387         (rs6000_emit_allocate_stack): Likewise.
 388         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
 389         (output_toc): Change 1 to INSERT in function call.
 390         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
 391         (rs6000_initialize_trampoline): Likewise.
 392         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
 393         function call.
 394         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
 395         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
 396         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
 397         (save_gprs): Use add_reg_note.
 398         (s390_emit_prologue): Likewise.
 399         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
 400         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
 401         (sparc_fold_builtin): Add cast to enum type.
 402         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
 403         enum insn_code.
 404         (spu_expand_prologue): Use add_reg_note.
 405         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
 406
 407 2009-04-20  Ian Lance Taylor  <iant@google.com>
 408
 409         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
 410         (c_parser_postfix_expression_after_primary): Get VEC for list of
 411         arguments.  Get original types of arguments.  Call
 412         build_function_call_vec.
 413         (cached_expr_list_1, cached_expr_list_2): New static variables.
 414         (c_parser_expr_list): Change return type to VEC *.  Add
 415         p_orig_types parameter.  Change all callers.
 416         (c_parser_release_expr): New static function.
 417         (c_parser_vec_to_tree_list): New static function.
 418         * c-typeck.c (build_function_call): Rewrite to build a VEC and
 419         call build_function_call_vec.
 420         (build_function_call_vec): New function, based on old
 421         build_function_call.
 422         (convert_arguments): Remove nargs and argarray parameters.  Change
 423         values to a VEC.  Add origtypes parameter.
 424         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
 425         (convert_for_assignment): Add origtype parameter.  Change all
 426         callers.  If warn_cxx_compat, check for conversion to an enum
 427         type when calling a function.
 428         (store_init_value): Add origtype parameter.  Change all callers.
 429         (digest_init): Likewise.
 430         (struct init_node): Add origtype field.
 431         (add_pending_init): Add origtype parameter.  Change all callers.
 432         (output_init_element): Likewise.
 433         (output_pending_init_elements): Pass origtype from init_node to
 434         output_init_element.
 435         (process_init_element): Pass origtype from c_expr to
 436         output_init_element.
 437         (c_finish_return): Add origtype parameter.  Change all callers.
 438         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
 439         caller.
 440         (sync_resolve_params): Likewise.
 441         (sync_resolve_return): Change params to first_param.  Change caller.
 442         (resolve_overloaded_builtins): Change params to VEC *.  Change
 443         callers.  Save first parameter around call to build_function_call_vec.
 444         * c-decl.c (finish_decl): Add origtype parameter.  Change all
 445         callers.  Call build_function_call_vec rather than
 446         build_function_call for cleanup.
 447         * c-tree.h: Update declarations.
 448         * c-common.h: Update declarations.
 449         * stub-objc.c (objc_rewrite_function_call): Change parameter from
 450         params to first_param.
 451         * target.h (struct gcc_target): Change resolve_overloaded_builtin
 452         params parameter from tree to void *.
 453         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
 454         Change arglist parameter to have type void *, and to be a pointer
 455         to a VEC.
 456         * config/rs6000/rs6000-protos.h
 457         (altivec_resolve_overloaded_builtin): Update declaration.
 458         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
 459         fnargs parameter to have type void *, and to be a pointer to a
 460         VEC.  Call build_function_call_vec instead of
 461         build_function_call.
 462         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
 463
 464 2009-04-20  Joey Ye  <joey.ye@intel.com>
 465             Xuepeng Guo <xuepeng.guo@intel.com>
 466             H.J. Lu  <hongjiu.lu@intel.com>
 467
 468         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
 469
 470         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
 471         (IX86_LEA_PRIORITY): Likewise.
 472         (distance_non_agu_define): New function.
 473         (distance_agu_use): Likewise.
 474         (ix86_lea_for_add_ok): Likewise.
 475         (ix86_dep_by_shift_count): Likewise.
 476
 477         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
 478         should split for LEA.
 479
 480         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
 481         function.
 482         (ix86_dep_by_shift_count): Likewise.
 483
 484 2009-04-20  Richard Guenther  <rguenther@suse.de>
 485
 486         * expr.c (handled_component_p): Move ...
 487         * tree.h (handled_component_p): ... here.
 488         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
 489         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
 490         and REALPART_EXPR to be in one group.
 491
 492 2009-04-20  Richard Guenther  <rguenther@suse.de>
 493
 494         * basic-block.h (get_all_dominated_blocks): Declare.
 495         * dominance.c (get_all_dominated_blocks): New function.
 496         * tree-cfg.c (get_all_dominated_blocks): Remove.
 497         (remove_edge_and_dominated_blocks): Adjust.
 498         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
 499         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
 500         instead of recursing.
 501
 502 2009-04-20  Doug Kwan  <dougkwan@google.com>
 503
 504         * cgraph.h (cgraph_node_ptr): New type for vector functions.
 505         (struct cgraph_node_set_def): New type.
 506         (cgraph_node_set) New type. Also declare vector functions.
 507         (struct cgraph_node_set_element_def): New type.
 508         (cgraph_node_set_element): Ditto.
 509         (cgraph_node_set_iterator): New iterator type.
 510         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
 511         cgraph_node_set_remove, dump_cgraph_node_set,
 512         debug_cgraph_node_set): New prototypes.
 513         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
 514         cgraph_node_set_size): New inlines.
 515         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
 516         including cgraph.h.
 517         (struct ipa_opt_pass): Add struct cgraph_node_set_def
 518         argument to function 'write_summary'.
 519         * ipa.c: Include ggc.h.
 520         (hash_cgraph_node_set_element,
 521         eq_cgraph_node_set_element, cgraph_node_set_new,
 522         cgraph_node_set_add, cgraph_node_set_remove,
 523         cgraph_node_set_find, dump_cgraph_node_set,
 524         debug_cgraph_node_set): New functions.
 525         * Makefile.in (ipa.o): Add dependency on GGC_H.
 526
 527 2009-04-20  Ira Rosen  <irar@il.ibm.com>
 528
 529         PR tree-optimization/39675
 530         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
 531         check of the return code of vect_schedule_slp. Check that
 532         stmt_vec_info still exists for the statement, before checking its
 533         vectorization type.
 534
 535 2009-04-20  Michael Matz  <matz@suse.de>
 536
 537         * Makefile.in (generated_files): Take out $(simple_generated_c).
 538
 539 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
 540
 541         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
 542         (UINTPTR_TYPE):  Likewise.
 543
 544 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 545
 546         PR c/37481
 547         * c-typeck.c (digest_init): Check for initializing an array with a
 548         string literal.
 549
 550 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 551
 552         PR c/19771
 553         * c-semantics.c (pop_stmt_list): Propagate
 554         STATEMENT_LIST_HAS_LABEL to parent statement list.
 555
 556 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
 557
 558         * config/mips/mips.h (mips_tune_attr): New macro.
 559         * config/mips/mips.md (cpu): Use it.
 560
 561 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
 562
 563         PR c/38243
 564         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
 565         declaring a tag.
 566
 567 2009-04-19  Diego Novillo  <dnovillo@google.com>
 568
 569         * toplev.c (compile_file): Move call to coverage_finish ...
 570         * cgraphunit.c (ipa_passes): ... here.
 571         Call cgraph_process_new_functions.
 572         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
 573         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
 574
 575 2009-04-19  Jan Hubicka  <jh@suse.cz>
 576
 577         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
 578         cfun.
 579         (dump_cgraph_node): Dump can throw external flag.
 580         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
 581
 582 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 583
 584         PR c/32061
 585         PR c++/36954
 586         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
 587         * common.opt (Wlogical-op): Move from here...
 588         * c.opt (Wlogical-op): ... to here.
 589         * c-typeck.c (parser_build_binary_op): Update call to
 590         warn_logical_operator.
 591         * c-opts.c (c_common_post_options): Enable warn_logical_op with
 592         extra_warnings.
 593         * c-common.c (warn_logical_op): Update.
 594         * c-common.h (warn_logical_op): Update declaration.
 595
 596 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
 597
 598         * tree.c (protected_set_expr_location): Fix formatting.
 599
 600 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 601
 602         PR c/27676
 603         * c-typeck.c (readonly_warning): new.
 604         (build_unary_op, build_modify_expr): Use readonly_warning for
 605         storing into something readonly but not const-qualified.
 606
 607 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 608
 609         PR c/22367
 610         * c-typeck.c (build_unary_op): Check for taking address of
 611         expression of type void.
 612
 613 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
 614
 615         PR c/35210
 616         * c-typeck.c (build_function_call): Check for calling a function
 617         with qualified void return types.  Call require_complete_type when
 618         generating a trap.
 619
 620 2009-04-18  Jan Hubicka  <jh@suse.cz>
 621
 622         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
 623         Set nothrow flag.
 624         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
 625         can_throw_external flag.
 626         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
 627         * ipa-pure-const.c (ignore_edge): New function.
 628         (propagate): Compute order for NOTHROW computation; set NOTHROWs
 629         only over can_throw_external edges.
 630         (local_pure_const): Add nothrow flag.
 631         * ipa-utils.c (searchc): Add ignore_edge callback.
 632         (ipa_utils_reduced_inorder): Add ignore_edge callback.
 633         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
 634         (set_nothrow_function_flags): Update cgraph.
 635         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
 636
 637 2009-04-18  Richard Guenther  <rguenther@suse.de>
 638
 639         PR middle-end/39804
 640         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
 641         (fold_stmt): ... this and ...
 642         (fold_stmt_inplace): ... this.
 643         (fold_stmt_1): Fold references in calls and asms.
 644         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
 645
 646 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 647
 648         * tree-vrp.c (ssa_name_nonzero_p): Remove.
 649         * tree.h: Remove the prototype for ssa_name_nonzero_p.
 650
 651 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 652
 653         * tree.c (function_args_count): Remove.
 654         * tree.h: Remove the prototype for function_args_count.
 655
 656 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 657
 658         * tree-iterator.c (expr_only): Remove.
 659         * tree.h: Remove the prototype for expr_only.
 660
 661 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 662
 663         * reginfo.c (cannot_change_mode_set_regs): Remove.
 664         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
 665
 666 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
 667
 668         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
 669         whether operands 0 and 1 overlaps.
 670
 671 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
 672
 673         PR middle-end/36902
 674         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
 675         pointer. Use warning_at instead of warning.
 676         (search_for_addr_array): Likewise.
 677         (check_array_bounds): Likewise.
 678         (check_all_array_refs): Check that the incoming edge is not in the
 679         list of edges to be removed.
 680         (check_all_array_refs): Avoid the temporal pointer.
 681         (vrp_visit_cond_stmt): Fix typo.
 682         (simplify_switch_using_ranges): Handle the case where the switch
 683         index is an integer constant.
 684
 685 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
 686
 687         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
 688
 689 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
 690
 691         * doc/extend.texi, doc/invoke.texi: Fix typos.
 692
 693 2009-04-17  Cary Coutant  <ccoutant@google.com>
 694
 695         * tree-flow-inline.h (get_lineno): Fix inverted test.
 696
 697 2009-04-17  Diego Novillo  <dnovillo@google.com>
 698
 699         * tree-ssa-pre.c (create_expression_by_pieces): Remove
 700         assertion for AVAIL_OUT.
 701
 702 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
 703
 704         PR target/38627
 705         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
 706         * config/sh/linux-atomic.asm: Likewise.
 707
 708 2009-04-17  Diego Novillo  <dnovillo@google.com>
 709
 710         * except.c (debug_eh_tree): New.
 711         (struct eh_region, struct eh_status): Move ...
 712         * except.h: ... here.
 713         (add_type_for_runtime): Declare extern.
 714         (lookup_type_for_runtime): Likewise.
 715         (debug_eh_tree): Declare.
 716         * Makefile.in (GTFILES): List except.h before except.c
 717
 718 2009-04-17  Diego Novillo  <dnovillo@google.com>
 719
 720         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
 721         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
 722         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
 723         (find_vars_r): ... here.
 724         * tree-flow.h (find_referenced_vars_in): Declare.
 725         * tree-ssa-pre.c (create_expression_by_pieces): Assert
 726         that AVAIL_OUT exists for BLOCK.
 727         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
 728         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
 729         (tree-parloops.o): Likewise.
 730
 731 2009-04-17  Simon Baldwin  <simonb@google.com>
 732
 733         * toplev.c (default_tree_printer): Add handling for %E format.
 734
 735 2009-04-17  Diego Novillo  <dnovillo@google.com>
 736
 737         * tree-pretty-print.c (dump_generic_node): Add break after
 738         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
 739         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
 740         FUNCTION_TYPE together.  Call print_struct_decl when printing
 741         structures and TDF_SLIM is not given.
 742         (print_struct_decl): Fix logic for detecting recursion.
 743
 744 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
 745
 746         PR 31567
 747         * gcc.c (create_at_file): New.
 748         (compile_input_file_p): New.
 749         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
 750         * main.c (main): Update call to toplev_main.
 751         * toplev.c (toplev_main): Change signature. Call expandargv.
 752         * toplev.h (toplev_main): Change signature.
 753
 754 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
 755
 756         * dwarf2out.c (field_byte_offset): Use the type size as the field size
 757         if the latter is not constant.
 758
 759 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
 760
 761         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
 762
 763 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
 764
 765         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
 766         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
 767
 768 2009-04-17  Richard Guenther  <rguenther@suse.de>
 769
 770         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 771         Handle component references view-converting an invariant address.
 772
 773 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
 774
 775         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
 776         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
 777         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
 778         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
 779         Use @deftypevr rather than @deftypevar.
 780
 781 2009-04-17  Richard Guenther  <rguenther@suse.de>
 782
 783         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
 784         (get_prop_source_stmt): Likewise.
 785         (can_propagate_from): Likewise.
 786
 787 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
 788
 789         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
 790         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
 791         (--with-multilib-list): Add default value.
 792         * configure: Regenerate.
 793         * Makefile.in (TM_ENDIAN_CONFIG): Define.
 794         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
 795         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
 796         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
 797         Don't add default cpu to multilib list unnecessarily, but do enable
 798         the relevant compiler option..
 799         Add support for --with-multilib-list=<blank> and
 800         --with-multilib-list=!<somelib> to supress unwanted multilibs.
 801         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
 802         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
 803         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
 804         TM_MULTILIB_CONFIG.
 805         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
 806         (MULTILIB_OSDIRNAMES): New variable.
 807         * config/sh/t-1e: Delete file.
 808         * config/sh/t-mlib-sh1: Delete file.
 809         * config/sh/t-mlib-sh2: Delete file.
 810         * config/sh/t-mlib-sh2a: Delete file.
 811         * config/sh/t-mlib-sh2a-nofpu: Delete file.
 812         * config/sh/t-mlib-sh2a-single: Delete file.
 813         * config/sh/t-mlib-sh2a-single-only: Delete file.
 814         * config/sh/t-mlib-sh2e: Delete file.
 815         * config/sh/t-mlib-sh3e: Delete file.
 816         * config/sh/t-mlib-sh4: Delete file.
 817         * config/sh/t-mlib-sh4-nofpu: Delete file.
 818         * config/sh/t-mlib-sh4-single: Delete file.
 819         * config/sh/t-mlib-sh4-single-only: Delete file.
 820         * config/sh/t-mlib-sh4a: Delete file.
 821         * config/sh/t-mlib-sh4a-nofpu: Delete file.
 822         * config/sh/t-mlib-sh4a-single: Delete file.
 823         * config/sh/t-mlib-sh4a-single-only: Delete file.
 824         * config/sh/t-mlib-sh4al: Delete file.
 825         * config/sh/t-mlib-sh5-32media: Delete file.
 826         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
 827         * config/sh/t-mlib-sh5-64media: Delete file.
 828         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
 829         * config/sh/t-mlib-sh5-compact: Delete file.
 830         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
 831         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
 832         * doc/install.texi (Options specification): Add
 833         --with-multilib-list and --with-endian.
 834
 835 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
 836
 837         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
 838         REVISION_c.
 839         (OBJS-common): Add plugin-version.o.
 840         (plugin-version.o): New.
 841         * gcc-plugin.h (plugin_gcc_version): New.
 842         (plugin_default_version_check): New.
 843         (plugin_init_func, plugin_init): Add version argument.
 844         * plugin-version.c: New.
 845         * plugin.c (str_plugin_gcc_version_name): New.
 846         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
 847         pass it to the init function.
 848         (plugin_default_version_check): New.
 849
 850 2009-04-17  Richard Guenther  <rguenther@suse.de>
 851
 852         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
 853         for decl-vs-decl disambiguation.
 854
 855 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 856
 857         * config/s390/s390.h (s390_tune_attr): New macro definition.
 858         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
 859
 860 2009-04-17  Richard Guenther  <rguenther@suse.de>
 861
 862         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
 863         (fold_stmt_r): Likewise.
 864         (maybe_fold_reference): New function.
 865         (fold_gimple_assign): Handle cases fold_stmt_r did.
 866         (fold_stmt): Do not use fold_stmt_r.
 867         (fold_stmt_inplace): Likewise.
 868
 869 2009-04-17  Richard Guenther  <rguenther@suse.de>
 870
 871         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
 872         (record_equivalences_from_stmt): Remove useless checks and
 873         simplifications.
 874         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
 875         the type is already suitable.
 876
 877 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
 878
 879         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
 880
 881 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
 882
 883         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
 884         (CMPtype): Define as __gcc_CMPtype.
 885
 886 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
 887
 888         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
 889         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
 890
 891 2009-04-17  Richard Guenther  <rguenther@suse.de>
 892
 893         PR tree-optimization/39746
 894         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
 895         special-casing for builtins and static variable use/def.
 896         (call_may_clobber_ref_p_1): Likewise.
 897
 898 2009-04-16  Ian Lance Taylor  <iant@google.com>
 899
 900         * df.h: Include "timevar.h".
 901         (struct df_problem): Change tv_id field to timevar_id_t.
 902         * tree-pass.h: Include "timevar.h".
 903         (struct opt_pass): Change tv_id field to timevar_id_t.
 904         * timevar.h (timevar_id_t): Define TV_NONE.
 905         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
 906         TV_NONE rather than tv_id != 0.
 907         (execute_one_pass): Likewise.
 908         * Makefile.in (DF_H): Add $(TIMEVAR_H).
 909         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
 910         dependencies to $(TREE_PASS_H).
 911         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
 912         to TV_NONE.
 913         (pass_branch_target_load_optimize2): Likewise.
 914         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
 915         (pass_outof_cfg_layout_mode): Likewise.
 916         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
 917         (pass_rebuild_cgraph_edges): Likewise.
 918         (pass_remove_cgraph_callee_edges): Likewise.
 919         * df-core.c (pass_df_initialize_opt): Likewise.
 920         (pass_df_initialize_no_opt): Likewise.
 921         (pass_df_finish): Likewise.
 922         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
 923         * except.c (pass_set_nothrow_function_flags): Likewise.
 924         (pass_convert_to_eh_region_ranges): Likewise.
 925         * final.c (pass_compute_alignments): Likewise.
 926         * function.c (pass_instantiate_virtual_regs): Likewise.
 927         (pass_init_function): Likewise.
 928         (pass_leaf_regs): Likewise.
 929         (pass_match_asm_constraints): Likewise.
 930         * gimple-low.c (pass_lower_cf): Likewise.
 931         (pass_mark_used_blocks): Likewise.
 932         * init-regs.c (pass_initialize_regs): Likewise.
 933         * integrate.c (pass_initial_value_sets): Likewise.
 934         * ira.c (pass_ira): Likewise.
 935         * jump.c (pass_cleanup_barriers): Likewise.
 936         * omp-low.c (pass_expand_omp): Likewise.
 937         (pass_lower_omp): Likewise.
 938         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
 939         * recog.c (pass_split_all_insns): Likewise.
 940         (pass_split_after_reload): Likewise.
 941         (pass_split_before_regstack): Likewise.
 942         (pass_split_before_sched2): Likewise.
 943         (pass_split_for_shorten_branches): Likewise.
 944         * reginfo.c (pass_reginfo_init): Likewise.
 945         (pass_subregs_of_mode_init): Likewise.
 946         (pass_subregs_of_mode_finish): Likewise.
 947         * passes.c (pass_postreload): Likewise.
 948         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
 949         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
 950         (pass_warn_function_return): Likewise.
 951         (pass_warn_function_noreturn): Likewise.
 952         * tree-complex.c (pass_lower_complex): Likewise.
 953         (pass_lower_complex_O0): Likewise.
 954         * tree-if-conv.c (pass_if_conversion): Likewise.
 955         * tree-into-ssa.c (pass_build_ssa): Likewise.
 956         * tree-mudflap.c (pass_mudflap_1): Likewise.
 957         (pass_mudflap_2): Likewise.
 958         * tree-nomudflap.c (pass_mudflap_1): Likewise.
 959         (pass_mudflap_2): Likewise.
 960         * tree-nrv.c (pass_return_slot): Likewise.
 961         * tree-object-size.c (pass_object_sizes): Likewise.
 962         * tree-optimize.c (pass_all_optimizations): Likewise.
 963         (pass_early_local_passes): Likewise.
 964         (pass_all_early_optimizations): Likewise.
 965         (pass_cleanup_cfg): Likewise.
 966         (pass_cleanup_cfg_post_optimizing): Likewise.
 967         (pass_free_datastructures): Likewise.
 968         (pass_free_cfg_annotations): Likewise.
 969         (pass_fixup_cfg): Likewise.
 970         (pass_init_datastructures): Likewise.
 971         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
 972         (pass_late_warn_uninitialized): Likewise.
 973         (pass_update_address_taken): Likewise.
 974         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
 975         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
 976         (pass_cse_sincos): Likewise.
 977         (pass_convert_to_rsqrt): Likewise.
 978         * tree-ssa-structalias.c (pass_build_alias): Likewise.
 979         * tree-stdarg.c (pass_stdarg): Likewise.
 980         * tree-tailcall.c (pass_tail_recursion): Likewise.
 981         (pass_tail_calls): Likewise.
 982         * tree-vect-generic.c (pass_lower_vector): Likewise.
 983         (pass_lower_vector_ssa): Likewise.
 984         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
 985
 986 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
 987
 988         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
 989         XLR entry.
 990         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
 991         Handle -march=xlr.
 992         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
 993         logical and signext.
 994
 995 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
 996
 997         PR target/39767
 998         * config/sh/predicates.md (arith_operand): Check if the operand
 999         of TRUNCATE is a REG.
1000
1001 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1002
1003         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
1004         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
1005
1006 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1007
1008         * tree-iterator.c (tsi_split_statement_list_after,
1009         tsi_split_statement_list_before): Remove.
1010         * tree-iterator.h: Remove the prototypes for
1011         tsi_split_statement_list_after and tsi_split_statement_list_before.
1012
1013 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1014
1015         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
1016         * tree-ssa-propagate.h: Remove the prototype for
1017         stmt_makes_single_load.
1018
1019 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1020
1021         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
1022         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
1023
1024 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1025
1026         * tree-iterator.c (EXPR_LAST_BODY): Remove.
1027
1028 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1029
1030         * except.c (eh_region_outer_p): Remove.
1031         * except.h: Remove the prototype for eh_region_outer_p.
1032
1033 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
1034
1035         * function.c (current_function_assembler_name): Remove.
1036         * function.h: Remove the prototype for
1037         current_function_assembler_name.
1038
1039 2009-04-16  Ian Lance Taylor  <iant@google.com>
1040
1041         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
1042         (add_reg_note): Call alloc_reg_note.
1043         * rtl.h (alloc_reg_note): Declare.
1044         * combine.c (try_combine): Use alloc_reg_note.
1045         (recog_for_combine, move_deaths): Likewise.
1046         (distribute_notes): Use alloc_reg_note and add_reg_note.
1047         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
1048         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
1049         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
1050
1051 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
1052
1053         PR rtl-optimization/39762
1054         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
1055         ira_may_move_out_cost): Add comments about way of their usage.
1056         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
1057
1058         * ira-conflicts.c (process_regs_for_copy): Use function
1059         ira_get_register_move_cost instead of global
1060         ira_register_move_cost.
1061
1062         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
1063         color_pass, move_spill_restore, update_curr_costs): Ditto.
1064
1065         * ira-lives.c (process_single_reg_class_operands): Ditto.
1066
1067         * ira-emit.c (emit_move_list): Ditto.
1068
1069         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
1070         (record_reg_classes): Ditto.  Use functions
1071         ira_get_register_move_cost and ira_get_may_move_cost instead of
1072         global vars ira_register_move_cost, ira_may_move_out_cost and
1073         ira_may_move_in_cost.
1074         (record_address_regs): Don't call ira_init_register_move_cost.
1075         Use function ira_get_may_move_cost instead of global
1076         ira_may_move_in_cost.
1077         (process_bb_node_for_hard_reg_moves): Use function
1078         ira_get_register_move_cost instead of global ira_register_move_cost.
1079         (ira_costs): Don't call ira_init_register_move_cost.
1080
1081 2009-04-16  Richard Guenther  <rguenther@suse.de>
1082
1083         * tree-cfg.c (verify_gimple_assign_binary):
1084         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
1085         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
1086         (create_general_new_stmt): Note that this function is broken.
1087
1088 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1089
1090         * common.opt (fhelp): Add Var(help_flag).
1091         * gcc-plugin.h (plugin_info): Add help.
1092         * plugin.c (plugin_name_args): Add help.
1093         (register_plugin_info): Set plugin->help.
1094         (print_help_one_plugin): New.
1095         (print_plugins_help): New.
1096         * plugin.h (print_plugins_help): New.
1097         * toplev.c (toplev_main): Call print_plugins_help if needed.
1098
1099 2009-04-16  Richard Guenther  <rguenther@suse.de>
1100
1101         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
1102         (gimple_ior_addresses_taken_1): New function.
1103         (gimple_ior_addresses_taken): Likewise.
1104         * gimple.h (struct gimple_statement_with_ops_base): Remove
1105         addresses_taken member.
1106         (gimple_ior_addresses_taken): Declare.
1107         (gimple_addresses_taken, gimple_addresses_taken_ptr,
1108         gimple_set_addresses_taken): Remove.
1109         * ipa-reference.c (mark_address): New function.
1110         (scan_stmt_for_static_refs): Use it for marking addresses taken.
1111         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
1112         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
1113         (gimple_add_to_addresses_taken): Remove.
1114         (get_tmr_operands): Call mark_address_taken.
1115         (get_asm_expr_operands): Likewise.
1116         (get_expr_operands): Likewise.
1117         (build_ssa_operands): Do not clear the addresses_taken bitmap.
1118         (free_stmt_operands): Do not free it.
1119         * tree-ssa.c (delete_tree_ssa): Likewise.
1120         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
1121
1122 2009-04-16  Richard Guenther  <rguenther@suse.de>
1123
1124         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
1125         (walk_stmt_load_store_ops): Likewise.
1126         * gimple.c (get_base_loadstore): New function.
1127         (walk_stmt_load_store_addr_ops): Likewise.
1128         (walk_stmt_load_store_ops): Likewise.
1129         * ipa-pure-const.c (check_op): Simplify.
1130         (check_load, check_store): New functions.
1131         (check_stmt): Use walk_stmt_load_store_ops.
1132         * ipa-reference.c (mark_load): Adjust signature.
1133         (mark_store): Likewise.
1134         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
1135
1136 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1137
1138         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
1139         (plugin_info): New.
1140         * opts.c (common_handle_option): Don't call print_version.
1141         * plugin.c (plugin_name_args): Add version.
1142         (register_plugin_info): New.
1143         (register_callback): Handle PLUGIN_INFO.
1144         (try_init_one_plugin): New.
1145         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
1146         if failed to init.
1147         (finalize_one_plugin): New.
1148         (finalize_plugins): New.
1149         (print_one_plugin): New.
1150         (print_plugins_versions): New.
1151         * plugin.h (print_plugins_versions): New.
1152         (finalize_plugins): New.
1153         * toplev.c (compile_file): Don't call initialize_plugins.
1154         (print_version): Call print_plugins_versions.
1155         (toplev_main): Call initialize_plugins. Print version if needed.
1156         Call finalize_plugins.
1157
1158 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
1159
1160         * common.opt (fversion): New.
1161         * gcc.c (print_version): New.
1162         (process_command): Don't print the version. Just set print_version.
1163         (main): Print version. Call subprocesses if print_version and
1164         verbose_flag are set.
1165         * opts.c (common_handle_option): Handle OPT_fversion.
1166
1167 2009-04-16  Richard Guenther  <rguenther@suse.de>
1168             Ira Rosen  <irar@il.ibm.com>
1169
1170         PR tree-optimization/39698
1171         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
1172         type of the reduction variable.  Only generate the def if
1173         it is needed.
1174
1175         * omp-low.c (expand_omp_for_generic): When converting to a pointer
1176         make sure to first convert to an integer of the same precision.
1177         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
1178         the type of the evolution correctly in computing the new
1179         induction variable base.
1180
1181 2009-04-16  Richard Guenther  <rguenther@suse.de>
1182
1183         PR middle-end/39625
1184         * tree-cfg.c (make_blocks): Split statements with to-be
1185         abnormal SSA names on the lhs.
1186
1187 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
1188
1189         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
1190         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
1191         * c-typeck.c (really_start_incremental_init): Likewise.
1192         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
1193         (TARGET_INITIALIZER): Remove it.
1194         * target.h (struct target): Remove vector_opaque_p.
1195         * tree.c (build_opaque_vector_type): New.
1196         * tree.h (TYPE_VECTOR_OPAQUE): New.
1197         (build_opaque_vector_type): Declare.
1198         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
1199         * config/rs6000/rs6000.c (build_opaque_vector_type,
1200         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
1201         (rs6000_init_builtins): Use build_opaque_vector_type for
1202         opaque_V4SI_type_node.
1203
1204 2009-04-15  Catherine Moore  <clm@codesourcery.com>
1205
1206         * debug.h (set_name):  Declare.
1207         * dwarf2out.c (dwarf2out_set_name): Declare.
1208         (dwarf2_debug_hooks): Add set_name.
1209         (find_AT_string): New.
1210         (add_AT_string): Call find_AT_string.
1211         (dwarf2out_set_name): New.
1212         * cp/decl.c (grokdeclarator): Call set_name.
1213         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
1214         * debug.c (do_nothing_debug_hooks):  Likewise.
1215         * dbxout.c (dbx_debug_hooks): Likewise.
1216         * sdbout.c (sdb_debug_hooks): Likewise.
1217
1218 2009-04-15  Michael Eager <eager@eagercon.com>
1219
1220         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
1221         reg for single-precision FPU.
1222         * config/rs6000/rs6000.md (movsi_internal1): Only for
1223         !TARGET_SINGLE_FPU.
1224         (movsi_internal1_single): New. Add pattern to move SI values to/from
1225         single-precision FP regs.
1226
1227 2009-04-15  Richard Guenther  <rguenther@suse.de>
1228
1229         * omp-low.c (lower_rec_input_clauses): Build correct address
1230         expressions.
1231         (expand_omp_for_generic): Fix multiplication type.
1232         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
1233         (generate_memset_zero): Fix types.
1234         * tree-profile.c (prepare_instrumented_value): Correctly
1235         widen a pointer.
1236
1237 2009-04-15  Ian Lance Taylor  <iant@google.com>
1238
1239         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
1240         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
1241         for -Wall and for -Wc++-compat.
1242         (c_common_post_options): For C++, set warn_enum_compare if not
1243         already set.
1244         * c-tree.h (struct c_expr): Add field original_type.
1245         (build_external_ref): Update declaration.
1246         * c-parser.c (c_parser_braced_init): Set original_type.
1247         (c_parser_initelt): Likewise.
1248         (c_parser_expr_no_commas): Likewise.
1249         (c_parser_conditional_expression): Likewise.
1250         (c_parser_cast_expression): Likewise.
1251         (c_parser_unary_expression): Likewise.  Pull setting of
1252         original_code to top of function.
1253         (c_parser_sizeof_expression): Set original_type.
1254         (c_parser_alignof_expression): Likewise.
1255         (c_parser_postfix_expression): Likewise.  Pull setting of
1256         original_code to top of function.
1257         (c_parser_postfix_expression_after_paren_type): Set original_type.
1258         (c_parser_postfix_expression_after_primary): Likewise.
1259         (c_parser_expression): Likewise.
1260         * c-typeck.c (build_external_ref): Add type parameter.  Change all
1261         callers.
1262         (c_expr_sizeof_expr): Set original_type field.
1263         (parser_build_unary_op): Likewise.
1264         (parser_build_binary_op): Likewise.  Optionally warn about
1265         comparisons of enums of different types.
1266         (digest_init): Set original_type field.
1267         (really_start_incremental_init): Likewise.
1268         (push_init_level, pop_init_level): Likewise.
1269         * doc/invoke.texi (Warning Options): -Wenum-compare now
1270         supported in C.
1271
1272 2009-04-15  Richard Guenther  <rguenther@suse.de>
1273
1274         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
1275         out a necessary conversion.
1276         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
1277         names we didn't value number.
1278         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
1279
1280 2009-04-15  Richard Guenther  <rguenther@suse.de>
1281
1282         PR tree-optimization/39764
1283         * tree-ssa-ccp.c (get_value): Canonicalize value with
1284         canonicalize_float_value.
1285
1286 2009-04-15  Jan Hubicka  <jh@suse.cz>
1287
1288         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
1289         Wrong version of patch.
1290
1291 2009-04-15  Jan Hubicka  <jh@suse.cz>
1292
1293         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
1294
1295 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
1296
1297         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
1298         our distinct integral and vector types.
1299
1300 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
1301
1302         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
1303         * init.c (build_vtbl_address): Remove call to assemble_external.
1304
1305 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
1306
1307         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
1308         output for other floating point modes.
1309
1310 2009-04-14  Diego Novillo  <dnovillo@google.com>
1311
1312         * diagnostic.c (diagnostic_report_diagnostic): Do not
1313         warn about loaded plugins for DK_ERROR and DK_WARNING.
1314         * c-decl.c (declspecs_add_type): Move call to
1315         invoke_plugin_callbacks ...
1316         * c-parser.c (c_parser_declspecs): ... here.
1317         * plugin.c (dump_active_plugins): Tidy output.
1318
1319 2009-04-14  Diego Novillo  <dnovillo@google.com>
1320             Le-Chun Wu  <lcwu@google.com>
1321
1322         * configure.ac: Add --enable-plugin support.
1323         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
1324         * Makefile.in (PLUGIN_H): Define.
1325         Export ENABLE_PLUGIN and GMPINC to site.exp.
1326         Add PLUGINLIBS to link command.
1327         Add/modify dependencies for plugin.o and files including plugin.h.
1328         (plugin.o): New.
1329         * config.in: Regenerate.
1330
1331         * opts.c (common_handle_option): Handle OPT_fplugin_ and
1332         OPT_fplugin_arg_.
1333
1334 2009-04-14  Le-Chun Wu  <lcwu@google.com>
1335
1336         * tree-pass.h (register_one_dump_file): Add a prototype for
1337         register_one_dump_file.
1338         * toplev.c (compile_file): Call initialize_plugins.
1339         (do_compile): Call invoke_plugin_callbacks.
1340         (toplev_main): Call invoke_plugin_callbacks.
1341         * common.opt: Add -fplugin= and -fplugin-arg-.
1342         * gcc-plugin.h: New public header file for plugins to include.
1343         * plugin.c: New source file.
1344         * plugin.h: New internal header file.
1345         * passes.c (register_one_dump_file): Make it external.
1346
1347         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
1348
1349 2009-04-14  Diego Novillo  <dnovillo@google.com>
1350
1351         * doc/plugins.texi: New.
1352         * doc/gccint.texi: Add reference to Plugins chapter.
1353         * doc/invoke.texi: Document -fplugin and -fplugin-arg
1354         * diagnostic.c (diagnostic_report_diagnostic): Warn about
1355         loaded plugins, if any.
1356         * timevar.def (TV_PLUGIN_INIT): Define.
1357         (TV_PLUGIN_RUN): Define.
1358         * plugin.c: Include timevar.h
1359         (plugins_active_p): New.
1360         (dump_active_plugins): New.
1361         (debug_active_plugins): New.
1362
1363 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
1364
1365         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
1366         library paths.
1367         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
1368
1369 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
1370
1371         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
1372         the same as a minus without a shift.
1373
1374 2009-04-14  Nick Clifton  <nickc@redhat.com>
1375
1376         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
1377         comparisons with small integers will always produce a short
1378         branch.
1379
1380 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
1381
1382         Merge:
1383         2008-12-19  Diego Novillo  <dnovillo@google.com>
1384
1385         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
1386
1387 2009-04-14  Richard Guenther  <rguenther@suse.de>
1388
1389         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
1390         verification.
1391         (verify_gimple_assign_binary): Likewise.  Handle shifts and
1392         rotates correctly.
1393         (verify_gimple_phi): Print the mismatched argument position.
1394         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
1395         Fix types.
1396         (vect_update_init_of_dr): Likewise.
1397         * matrix-reorg.c (transform_access_sites): Do what the
1398         comment suggests.
1399         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
1400
1401 2009-04-13  Michael Eager <eager@eagercon.com>
1402
1403         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
1404         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
1405         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
1406         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
1407         remove duplicate config
1408
1409 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1410
1411         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
1412         file_name:line_number type locator of the call site.
1413
1414 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
1415
1416         * genautomata.c: Put blank after comma.
1417         (automaton_decls): New.
1418         (struct unit_usage): Add comments to member next.
1419         (store_alt_unit_usage): Keep the list ordered.
1420         (unit_present_on_list_p, equal_alternatives_p): New.
1421         (check_regexp_units_distribution): Check units distribution
1422         correctness correctly.
1423         (main): Don't write automata if error is found.  Return correct
1424         exit code.
1425
1426         * config/m68k/cf.md (cfv4_ds): Remove.
1427         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
1428         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
1429
1430         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
1431         power4-load-ext, power4-store, power4-store-update,
1432         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
1433         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
1434         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
1435         power4-sqrt, power4-isync): Modify reservation to make correct
1436         unit distribution to automata.
1437
1438         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
1439         power5-store-update, power5-two, power5-three, power5-lmul,
1440         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
1441
1442 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
1443
1444         * except.c (pass_set_nothrow_function_flags): Set name and add
1445         TODO_dump_func.
1446         (set_nothrow_function_flags): Mention in the dump file when
1447         changing a function to nothrow.
1448
1449 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
1450
1451         PR/39066
1452         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
1453         instead of unsigned long.
1454
1455 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1456
1457         * config/arm/arm.c (return_used_this_function): Remove.
1458         (arm_output_function_prologue): Remove use of
1459         return_used_this_function.
1460         (output_return_instruction): Replace use of
1461         return_used_this_function
1462         by cfun->machine->return_used_this_function.
1463         (arm_output_epilogue): Likewise.
1464         (arm_output_function_epilogue): Likewise.
1465         (thumb_unexpanded_epilogue): Likewise.
1466         * config/arm/arm.h (struct machine_function):
1467         New member return_used_this_function.
1468
1469 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
1470
1471         * doc/install.texi: Correct description of default directory for
1472         --with-gxx-include-dir.
1473
1474 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
1475
1476         * fold-const.c (build_range_check): Properly deal with enumeral and
1477         boolean base types.
1478
1479 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
1480
1481         * doc/invoke.texi (max_gcse_passes): Remove documentation.
1482         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
1483         * params.h (MAX_GCSE_PASSES): Remove.
1484         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
1485         in sequence.  Remove ability to run multiple passes.
1486         (bypass_jumps): Report run as third CPROP pass.
1487
1488 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
1489
1490         PR middle-end/39651
1491         * except.c (can_throw_external): Look at each insn in a SEQUENCE
1492         when deciding whether the whole SEQUENCE can throw.
1493
1494 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
1495
1496         PR target/39740
1497         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
1498         offseted label references.
1499
1500 2009-04-11  Jan Hubicka  <jh@suse.cz>
1501
1502         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
1503
1504 2009-04-11  Richard Guenther  <rguenther@suse.de>
1505
1506         PR middle-end/39732
1507         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
1508         return variables as TREE_ADDRESSABLE.
1509
1510 2009-04-11  Richard Guenther  <rguenther@suse.de>
1511
1512         PR tree-optimization/39713
1513         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
1514         reference trees have SSA_NAME operands.
1515
1516 2009-04-11  Richard Guenther  <rguenther@suse.de>
1517
1518         PR c/39712
1519         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
1520         address expressions.
1521
1522 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
1523
1524         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
1525         match changes in Cygwin 1.7
1526         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
1527         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
1528
1529 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1530
1531         PR tree-optimization/39701
1532         * doc/invoke.texi (Optimization Options): Document change in
1533         meaning and initialization of -fdelete-null-pointer-checks.
1534
1535 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
1536
1537         PR middle-end/39701
1538         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
1539
1540         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
1541         here.
1542
1543         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
1544
1545 2009-04-10  Chao-ying Fu  <fu@mips.com>
1546
1547         * doc/tm.texi (Instruction Output): Document
1548         TARGET_ASM_FINAL_POSTSCAN_INSN.
1549         * target.h (final_postscan_insn): New field in asm_out.
1550         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1551         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
1552         * final.c (final_scan_insn): Call
1553         targetm.asm_out.final_postscan_insn after outputting
1554         an asm macro and a normal instruction.
1555
1556         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
1557         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
1558         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
1559         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
1560         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
1561
1562 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
1563
1564         PR middle-end/39701
1565         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
1566         variables as non-NULL even with -fdelete-null-pointer-checks.
1567
1568 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
1569
1570         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
1571
1572 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1573
1574         PR target/39678
1575         * config/i386/i386.c (classify_argument): Handle SCmode with
1576         (bit_offset % 64) != 0.
1577
1578 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
1579
1580         * doc/invoke.texi (Optimize Options): Add cross-reference to
1581         -Q --help=optimizers examples.
1582
1583 2009-04-10  Ben Elliston  <bje@au.ibm.com>
1584
1585         PR target/36800
1586         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
1587         regalign for the reg == fpr and TDmode case.
1588
1589 2009-04-09  David Ayers  <ayers@fsfe.org>
1590
1591         PR objc/29200
1592         * objc/objc-act.c (warn_with_method): Remove helper function.
1593         (check_duplicates): Call warning and inform directly.
1594         (really_start_method): Likewise.
1595
1596 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1597
1598         * expmed.c (expand_divmod): Always use a comparison for a division
1599         by a large unsigned integer.
1600
1601         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
1602         for things others than variables or functions as nonzero.
1603
1604 2009-04-09  Nick Clifton  <nickc@redhat.com>
1605
1606         * unwind-compat.c: Change copyright header to refer to version
1607         3 of the GNU General Public License with version 3.1 of the
1608         GCC Runtime Library Exception and to point readers at the
1609         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
1610         * config/alpha/crtfastmath.c: Likewise.
1611         * config/alpha/linux-unwind.h: Likewise.
1612         * config/alpha/qrnnd.asm: Likewise.
1613         * config/alpha/vms-crt0-64.c: Likewise.
1614         * config/alpha/vms-crt0.c: Likewise.
1615         * config/alpha/vms-dwarf2.asm: Likewise.
1616         * config/alpha/vms-dwarf2eh.asm: Likewise.
1617         * config/alpha/vms-psxcrt0-64.c: Likewise.
1618         * config/alpha/vms-psxcrt0.c: Likewise.
1619         * config/alpha/vms_tramp.asm: Likewise.
1620         * config/arc/initfini.c: Likewise.
1621         * config/arc/lib1funcs.asm: Likewise.
1622         * config/arm/bpabi-v6m.S: Likewise.
1623         * config/arm/bpabi.S: Likewise.
1624         * config/arm/bpabi.c: Likewise.
1625         * config/arm/crti.asm: Likewise.
1626         * config/arm/crtn.asm: Likewise.
1627         * config/arm/ieee754-df.S: Likewise.
1628         * config/arm/ieee754-sf.S: Likewise.
1629         * config/arm/lib1funcs.asm: Likewise.
1630         * config/arm/libunwind.S: Likewise.
1631         * config/arm/linux-atomic.c: Likewise.
1632         * config/arm/mmintrin.h: Likewise.
1633         * config/arm/pr-support.c: Likewise.
1634         * config/arm/unaligned-funcs.c: Likewise.
1635         * config/arm/unwind-arm.c: Likewise.
1636         * config/arm/unwind-arm.h: Likewise.
1637         * config/avr/libgcc.S: Likewise.
1638         * config/bfin/crti.s: Likewise.
1639         * config/bfin/crtlibid.s: Likewise.
1640         * config/bfin/crtn.s: Likewise.
1641         * config/bfin/lib1funcs.asm: Likewise.
1642         * config/bfin/linux-unwind.h: Likewise.
1643         * config/cris/arit.c: Likewise.
1644         * config/cris/cris_abi_symbol.c: Likewise.
1645         * config/darwin-64.c: Likewise.
1646         * config/darwin-crt2.c: Likewise.
1647         * config/darwin-crt3.c: Likewise.
1648         * config/darwin.h: Likewise.
1649         * config/dbxelf.h: Likewise.
1650         * config/dfp-bit.c: Likewise.
1651         * config/dfp-bit.h: Likewise.
1652         * config/elfos.h: Likewise.
1653         * config/fixed-bit.c: Likewise.
1654         * config/fixed-bit.h: Likewise.
1655         * config/fp-bit.c: Likewise.
1656         * config/fp-bit.h: Likewise.
1657         * config/fr30/crti.asm: Likewise.
1658         * config/fr30/crtn.asm: Likewise.
1659         * config/fr30/lib1funcs.asm: Likewise.
1660         * config/freebsd-spec.h: Likewise.
1661         * config/frv/cmovd.c: Likewise.
1662         * config/frv/cmovh.c: Likewise.
1663         * config/frv/cmovw.c: Likewise.
1664         * config/frv/frvbegin.c: Likewise.
1665         * config/frv/frvend.c: Likewise.
1666         * config/frv/lib1funcs.asm: Likewise.
1667         * config/glibc-stdint.h: Likewise.
1668         * config/h8300/clzhi2.c: Likewise.
1669         * config/h8300/crti.asm: Likewise.
1670         * config/h8300/crtn.asm: Likewise.
1671         * config/h8300/ctzhi2.c: Likewise.
1672         * config/h8300/fixunssfsi.c: Likewise.
1673         * config/h8300/lib1funcs.asm: Likewise.
1674         * config/h8300/parityhi2.c: Likewise.
1675         * config/h8300/popcounthi2.c: Likewise.
1676         * config/i386/ammintrin.h: Likewise.
1677         * config/i386/att.h: Likewise.
1678         * config/i386/avxintrin.h: Likewise.
1679         * config/i386/biarch64.h: Likewise.
1680         * config/i386/bmmintrin.h: Likewise.
1681         * config/i386/cpuid.h: Likewise.
1682         * config/i386/cross-stdarg.h: Likewise.
1683         * config/i386/crtfastmath.c: Likewise.
1684         * config/i386/crtprec.c: Likewise.
1685         * config/i386/cygming-crtbegin.c: Likewise.
1686         * config/i386/cygming-crtend.c: Likewise.
1687         * config/i386/cygwin.asm: Likewise.
1688         * config/i386/emmintrin.h: Likewise.
1689         * config/i386/gmm_malloc.h: Likewise.
1690         * config/i386/gthr-win32.c: Likewise.
1691         * config/i386/i386.h: Likewise.
1692         * config/i386/immintrin.h: Likewise.
1693         * config/i386/linux-unwind.h: Likewise.
1694         * config/i386/linux64.h: Likewise.
1695         * config/i386/mm3dnow.h: Likewise.
1696         * config/i386/mmintrin-common.h: Likewise.
1697         * config/i386/mmintrin.h: Likewise.
1698         * config/i386/nmmintrin.h: Likewise.
1699         * config/i386/pmm_malloc.h: Likewise.
1700         * config/i386/pmmintrin.h: Likewise.
1701         * config/i386/smmintrin.h: Likewise.
1702         * config/i386/sol2-c1.asm: Likewise.
1703         * config/i386/sol2-ci.asm: Likewise.
1704         * config/i386/sol2-cn.asm: Likewise.
1705         * config/i386/sol2-gc1.asm: Likewise.
1706         * config/i386/tmmintrin.h: Likewise.
1707         * config/i386/unix.h: Likewise.
1708         * config/i386/w32-unwind.h: Likewise.
1709         * config/i386/wmmintrin.h: Likewise.
1710         * config/i386/x86-64.h: Likewise.
1711         * config/i386/x86intrin.h: Likewise.
1712         * config/i386/xmmintrin.h: Likewise.
1713         * config/ia64/crtbegin.asm: Likewise.
1714         * config/ia64/crtend.asm: Likewise.
1715         * config/ia64/crtfastmath.c: Likewise.
1716         * config/ia64/crti.asm: Likewise.
1717         * config/ia64/crtn.asm: Likewise.
1718         * config/ia64/fde-glibc.c: Likewise.
1719         * config/ia64/lib1funcs.asm: Likewise.
1720         * config/ia64/linux-unwind.h: Likewise.
1721         * config/ia64/quadlib.c: Likewise.
1722         * config/ia64/unwind-ia64.c: Likewise.
1723         * config/linux.h: Likewise.
1724         * config/m32c/m32c-lib1.S: Likewise.
1725         * config/m32c/m32c-lib2-trapv.c: Likewise.
1726         * config/m32c/m32c-lib2.c: Likewise.
1727         * config/m32r/initfini.c: Likewise.
1728         * config/m68hc11/larith.asm: Likewise.
1729         * config/m68hc11/m68hc11-crt0.S: Likewise.
1730         * config/m68k/cf.md: Likewise.
1731         * config/m68k/crti.s: Likewise.
1732         * config/m68k/crtn.s: Likewise.
1733         * config/m68k/lb1sf68.asm: Likewise.
1734         * config/m68k/linux-unwind.h: Likewise.
1735         * config/mcore/crti.asm: Likewise.
1736         * config/mcore/crtn.asm: Likewise.
1737         * config/mcore/lib1.asm: Likewise.
1738         * config/mips/linux-unwind.h: Likewise.
1739         * config/mips/loongson.h: Likewise.
1740         * config/mips/mips16.S: Likewise.
1741         * config/mmix/crti.asm: Likewise.
1742         * config/mmix/crtn.asm: Likewise.
1743         * config/pa/fptr.c: Likewise.
1744         * config/pa/hpux-unwind.h: Likewise.
1745         * config/pa/lib2funcs.asm: Likewise.
1746         * config/pa/linux-atomic.c: Likewise.
1747         * config/pa/linux-unwind.h: Likewise.
1748         * config/pa/milli64.S: Likewise.
1749         * config/pa/quadlib.c: Likewise.
1750         * config/pa/stublib.c: Likewise.
1751         * config/picochip/libgccExtras/adddi3.asm: Likewise.
1752         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
1753         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
1754         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
1755         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
1756         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
1757         * config/picochip/libgccExtras/divmod15.asm: Likewise.
1758         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
1759         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
1760         * config/picochip/libgccExtras/longjmp.asm: Likewise.
1761         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
1762         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
1763         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
1764         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
1765         * config/picochip/libgccExtras/setjmp.asm: Likewise.
1766         * config/picochip/libgccExtras/subdi3.asm: Likewise.
1767         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
1768         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
1769         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
1770         * config/rs6000/750cl.h: Likewise.
1771         * config/rs6000/altivec.h: Likewise.
1772         * config/rs6000/biarch64.h: Likewise.
1773         * config/rs6000/crtresfpr.asm: Likewise.
1774         * config/rs6000/crtresgpr.asm: Likewise.
1775         * config/rs6000/crtresxfpr.asm: Likewise.
1776         * config/rs6000/crtresxgpr.asm: Likewise.
1777         * config/rs6000/crtsavfpr.asm: Likewise.
1778         * config/rs6000/crtsavgpr.asm: Likewise.
1779         * config/rs6000/darwin-asm.h: Likewise.
1780         * config/rs6000/darwin-fallback.c: Likewise.
1781         * config/rs6000/darwin-fpsave.asm: Likewise.
1782         * config/rs6000/darwin-ldouble.c: Likewise.
1783         * config/rs6000/darwin-tramp.asm: Likewise.
1784         * config/rs6000/darwin-unwind.h: Likewise.
1785         * config/rs6000/darwin-vecsave.asm: Likewise.
1786         * config/rs6000/darwin-world.asm: Likewise.
1787         * config/rs6000/e500crtres32gpr.asm: Likewise.
1788         * config/rs6000/e500crtres64gpr.asm: Likewise.
1789         * config/rs6000/e500crtres64gprctr.asm: Likewise.
1790         * config/rs6000/e500crtrest32gpr.asm: Likewise.
1791         * config/rs6000/e500crtrest64gpr.asm: Likewise.
1792         * config/rs6000/e500crtresx32gpr.asm: Likewise.
1793         * config/rs6000/e500crtresx64gpr.asm: Likewise.
1794         * config/rs6000/e500crtsav32gpr.asm: Likewise.
1795         * config/rs6000/e500crtsav64gpr.asm: Likewise.
1796         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
1797         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
1798         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
1799         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
1800         * config/rs6000/eabi-ci.asm: Likewise.
1801         * config/rs6000/eabi-cn.asm: Likewise.
1802         * config/rs6000/eabi.asm: Likewise.
1803         * config/rs6000/linux-unwind.h: Likewise.
1804         * config/rs6000/linux64.h: Likewise.
1805         * config/rs6000/paired.h: Likewise.
1806         * config/rs6000/paired.md: Likewise.
1807         * config/rs6000/ppc64-fp.c: Likewise.
1808         * config/rs6000/ppu_intrinsics.h: Likewise.
1809         * config/rs6000/rs6000.h: Likewise.
1810         * config/rs6000/si2vmx.h: Likewise.
1811         * config/rs6000/sol-ci.asm: Likewise.
1812         * config/rs6000/sol-cn.asm: Likewise.
1813         * config/rs6000/spe.h: Likewise.
1814         * config/rs6000/spu2vmx.h: Likewise.
1815         * config/rs6000/sysv4.h: Likewise.
1816         * config/rs6000/tramp.asm: Likewise.
1817         * config/rs6000/vec_types.h: Likewise.
1818         * config/s390/linux-unwind.h: Likewise.
1819         * config/s390/tpf-unwind.h: Likewise.
1820         * config/score/crti.asm: Likewise.
1821         * config/score/crtn.asm: Likewise.
1822         * config/sh/crt1.asm: Likewise.
1823         * config/sh/crti.asm: Likewise.
1824         * config/sh/crtn.asm: Likewise.
1825         * config/sh/divtab-sh4-300.c: Likewise.
1826         * config/sh/divtab-sh4.c: Likewise.
1827         * config/sh/divtab.c: Likewise.
1828         * config/sh/lib1funcs-4-300.asm: Likewise.
1829         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
1830         * config/sh/lib1funcs.asm: Likewise.
1831         * config/sh/lib1funcs.h: Likewise.
1832         * config/sh/linux-atomic.asm: Likewise.
1833         * config/sh/linux-unwind.h: Likewise.
1834         * config/sh/shmedia.h: Likewise.
1835         * config/sh/sshmedia.h: Likewise.
1836         * config/sh/ushmedia.h: Likewise.
1837         * config/sparc/crtfastmath.c: Likewise.
1838         * config/sparc/linux-unwind.h: Likewise.
1839         * config/sparc/sol2-c1.asm: Likewise.
1840         * config/sparc/sol2-ci.asm: Likewise.
1841         * config/sparc/sol2-cn.asm: Likewise.
1842         * config/spu/divmodti4.c: Likewise.
1843         * config/spu/divv2df3.c: Likewise.
1844         * config/spu/float_disf.c: Likewise.
1845         * config/spu/float_unsdidf.c: Likewise.
1846         * config/spu/float_unsdisf.c: Likewise.
1847         * config/spu/float_unssidf.c: Likewise.
1848         * config/spu/mfc_multi_tag_release.c: Likewise.
1849         * config/spu/mfc_multi_tag_reserve.c: Likewise.
1850         * config/spu/mfc_tag_release.c: Likewise.
1851         * config/spu/mfc_tag_reserve.c: Likewise.
1852         * config/spu/mfc_tag_table.c: Likewise.
1853         * config/spu/multi3.c: Likewise.
1854         * config/spu/spu_internals.h: Likewise.
1855         * config/spu/spu_intrinsics.h: Likewise.
1856         * config/spu/spu_mfcio.h: Likewise.
1857         * config/spu/vec_types.h: Likewise.
1858         * config/spu/vmx2spu.h: Likewise.
1859         * config/stormy16/stormy16-lib2.c: Likewise.
1860         * config/svr4.h: Likewise.
1861         * config/sync.c: Likewise.
1862         * config/v850/lib1funcs.asm: Likewise.
1863         * config/vxlib-tls.c: Likewise.
1864         * config/vxlib.c: Likewise.
1865         * config/vxworks-dummy.h: Likewise.
1866         * config/xtensa/crti.asm: Likewise.
1867         * config/xtensa/crtn.asm: Likewise.
1868         * config/xtensa/ieee754-df.S: Likewise.
1869         * config/xtensa/ieee754-sf.S: Likewise.
1870         * config/xtensa/lib1funcs.asm: Likewise.
1871         * config/xtensa/lib2funcs.S: Likewise.
1872         * config/xtensa/linux-unwind.h: Likewise.
1873         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
1874         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
1875         * coretypes.h: Likewise.
1876         * crtstuff.c: Likewise.
1877         * defaults.h: Likewise.
1878         * dwarf2.h: Likewise.
1879         * emutls.c: Likewise.
1880         * gbl-ctors.h: Likewise.
1881         * gcov-io.h: Likewise.
1882         * ginclude/float.h: Likewise.
1883         * ginclude/iso646.h: Likewise.
1884         * ginclude/stdarg.h: Likewise.
1885         * ginclude/stdbool.h: Likewise.
1886         * ginclude/stddef.h: Likewise.
1887         * ginclude/stdfix.h: Likewise.
1888         * ginclude/stdint-gcc.h: Likewise.
1889         * ginclude/tgmath.h: Likewise.
1890         * gthr-aix.h: Likewise.
1891         * gthr-dce.h: Likewise.
1892         * gthr-gnat.c: Likewise.
1893         * gthr-gnat.h: Likewise.
1894         * gthr-lynx.h: Likewise.
1895         * gthr-mipssde.h: Likewise.
1896         * gthr-nks.h: Likewise.
1897         * gthr-posix.c: Likewise.
1898         * gthr-posix.h: Likewise.
1899         * gthr-posix95.h: Likewise.
1900         * gthr-rtems.h: Likewise.
1901         * gthr-single.h: Likewise.
1902         * gthr-solaris.h: Likewise.
1903         * gthr-tpf.h: Likewise.
1904         * gthr-vxworks.h: Likewise.
1905         * gthr-win32.h: Likewise.
1906         * gthr.h: Likewise.
1907         * libgcc2.c: Likewise.
1908         * libgcc2.h: Likewise.
1909         * libgcov.c: Likewise.
1910         * tsystem.h: Likewise.
1911         * typeclass.h: Likewise.
1912         * unwind-c.c: Likewise.
1913         * unwind-compat.h: Likewise.
1914         * unwind-dw2-fde-compat.c: Likewise.
1915         * unwind-dw2-fde-darwin.c: Likewise.
1916         * unwind-dw2-fde-glibc.c: Likewise.
1917         * unwind-dw2-fde.c: Likewise.
1918         * unwind-dw2-fde.h: Likewise.
1919         * unwind-dw2.c: Likewise.
1920         * unwind-dw2.h: Likewise.
1921         * unwind-generic.h: Likewise.
1922         * unwind-pe.h: Likewise.
1923         * unwind-sjlj.c: Likewise.
1924         * unwind.inc: Likewise.
1925         * config/arm/neon-gen.ml: Change generated copyright header to
1926         refer to version 3 of the GNU General Public License with
1927         version 3.1 of the GCC Runtime Library Exception and to point
1928         readers at the COPYING3 and COPYING3.RUNTIME files and the
1929         FSF's license web page.
1930         * config/arm/arm_neon.h: Regenerate.
1931
1932 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
1933
1934         * config/cris/cris.md: Change copyright header to refer to version
1935         3 of the GNU General Public License.
1936         * doc/install.texi2html: Change copyright header to refer to version
1937         3 of the GNU General Public License and to point readers at the
1938         COPYING3 file and the FSF's license web page.
1939         * config/vax/linux.h: Likewise.
1940
1941 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
1942
1943         * config/i386/i386.md (cmpcc): New.
1944         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
1945         (sync_compare_and_swap_cc*): Delete.
1946
1947         * config/s390/s390.c (s390_compare_emitted): Remove.
1948         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
1949         s390_compare_emitted used to be handled.  Assert that modes match.
1950         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
1951         refer to sync_compare_and_swap_ccsi.
1952         * config/s390/s390.h (s390_compare_emitted): Remove.
1953         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
1954         instead of s390_compare_emitted.
1955         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
1956         instead of s390_compare_emitted.
1957         * config/s390/s390.md (cmpcc): New.
1958         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
1959         CC_REGNUM, do not pretend it's set.
1960         (sync_compare_and_swap_cc*): Delete.
1961         * config/s390/predicates.md (cc_reg_operand): New.
1962
1963         * expr.c (sync_compare_and_swap_cc): Delete.
1964         * optabs.h (sync_compare_and_swap_cc): Delete.
1965         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
1966         is being used with can_compare_p.
1967         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
1968         (find_cc_set): New.
1969         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
1970         look for a MODE_CC set instead.  Use emit_store_flag.
1971         (expand_compare_and_swap_loop): Likewise, with some additional
1972         complication to avoid a force_reg when useless.  Use
1973         emit_cmp_and_jump_insns.
1974         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
1975         * doc/md.texi (sync_compare_and_swap_cc): Merge with
1976         sync_compare_and_swap documentation.
1977
1978 2009-04-09  Jan Hubicka  <jh@suse.cz>
1979
1980         * except.c (find_prev_try): Break out from ....
1981         (duplicate_eh_regions): ... here; properly update prev_try pointers
1982         when duplication part of tree.
1983         (dump_eh_tree): Improve dumping.
1984         (verify_eh_region): New.
1985         (verify_eh_tree): Use it.
1986
1987 2009-04-06  Richard Guenther  <rguenther@suse.de>
1988
1989         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
1990         &ARRAY addresses by adjusting their types and prepending
1991         a conversion.
1992         * tree-cfg.c (verify_gimple_assign_single): Verify that
1993         addresses are correct.
1994
1995 2009-04-09  Richard Guenther  <rguenther@suse.de>
1996
1997         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
1998         indices into an array reference if possible.
1999         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2000         Fold POINTER_PLUS_EXPR statements with invariant address.
2001
2002 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
2003
2004         PR target/39634
2005         * config.gcc (powerpc64-*-linux*): Always build biarch.
2006
2007 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
2008
2009         PR c/39613
2010         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
2011         it and pedwarn if this results in an INTEGER_CST.
2012
2013 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2014
2015         * doc/install.texi: Update minimum GMP version.  Remove obsolete
2016         text in MPFR section.
2017
2018 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
2019
2020         * dwarf2out.c (class_scope_p): New static inline.
2021         (class_or_namespace_scope_p): Use it.
2022         (gen_variable_die): Use DW_TAG_member tag for static data member
2023         declarations instead of DW_TAG_variable.
2024
2025         PR middle-end/39573
2026         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
2027         variables.
2028
2029 2009-04-08  Richard Guenther  <rguenther@suse.de>
2030
2031         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
2032         valueize random data.
2033
2034 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
2035
2036         * config.gcc (aix tm_file):  Add aix-stdint.h.
2037         (aix tm clause use_gcc_stdint):  Set to wrap.
2038         * config/rs6000/aix-stdint.h:  New file.
2039
2040 2009-04-08  Richard Guenther  <rguenther@suse.de>
2041
2042         PR middle-end/36291
2043         * tree-dfa.c (add_referenced_var): Do not recurse into
2044         global initializers.
2045         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
2046         exposed variables.
2047         (fold_const_aggregate_ref): Likewise.
2048
2049 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
2050
2051         * recog.c (ordered_comparison_operator): New.
2052         * gensupport.c (std_preds): Add it.
2053         * doc/md.texi (Machine-Independent Predicates): Document it.
2054
2055 2009-04-08  Jan Hubicka  <jh@suse.cz>
2056
2057         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
2058         * function.h (rtl_eh): Remove exception_handler_label_map.
2059         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
2060         remove_exception_handler_label, for_each_eh_label_1): Remove.
2061         (rtl_remove_unreachable_regions): Remove.
2062         (convert_from_eh_region_ranges): Do not remove unreachable regions.
2063         (find_exception_handler_labels): Don't build the hashtable.
2064         (maybe_remove_eh_handler): Remove.
2065         (for_each_eh_label): Rewrite to walk the tree.
2066         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
2067         * except.h (maybe_remove_eh_handler): Remove.
2068         * passes.c (init_optimization_passes): Schedule second EH cleanup
2069         before out-of-ssa.
2070         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
2071         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
2072
2073 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
2074
2075         * genoutput.c (validate_optab_operands): New.
2076         (gen_insn, gen_expand): Call it.
2077
2078         * genflags.c (gen_insn): Detect misused iterators.
2079         (main): Pass line_no to gen_insn, exit with status 1 on error.
2080
2081         * genextract.c (line_no): Make global.
2082         (VEC_safe_set_locstr): Change assertion to error message.
2083         (main): Exit with status 1 on error.
2084
2085 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
2086
2087         PR c/39614
2088         PR c/39673
2089         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
2090         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
2091         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
2092         * c-convert.c (convert): Do not call fold on results of conversion
2093         functions when the result is a C_MAYBE_CONST_EXPR.
2094         * c-parser.c (c_parser_postfix_expression): Do not fold condition
2095         of __builtin_choose_expr.
2096         * c-typeck.c (remove_c_maybe_const_expr): New.
2097         (build_unary_op, build_conditional_expr, build_compound_expr,
2098         build_binary_op, c_objc_common_truthvalue_conversion): Call
2099         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
2100         integer operands.
2101
2102 2009-04-08 Bingfeng Mei <bmei@broadcom.com>
2103
2104         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
2105         CODE to produce a new one. Add a prototype to use fold_convert_const
2106
2107 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
2108
2109         PR bootstrap/39660
2110         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
2111         mix declarations and code.
2112
2113 2009-04-08  Ben Elliston  <bje@au.ibm.com>
2114
2115         * gcc.c: Replace `CC' with `GCC' throughout.
2116
2117 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2118
2119         * doc/invoke.texi: Document Atom support.
2120
2121 2009-04-07  Jason Merrill  <jason@redhat.com>
2122
2123         PR c++/25185
2124         * c-common.h, c-common.c: Add flag_pretty_templates.
2125         * c-opts.c (c_common_handle_option): Set it.
2126         * c.opt: Add -fno-pretty-templates.
2127         * doc/invoke.texi (C++ Dialect Options): Likewise.
2128
2129 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
2130
2131         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
2132         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
2133         (ia64_expand_builtin): Likewise.
2134
2135 2009-04-07  Martin Jambor  <mjambor@suse.cz>
2136
2137         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
2138         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
2139         ADDR_EXPRS are include too.
2140
2141 2009-04-07  Richard Guenther  <rguenther@suse.de>
2142
2143         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
2144         decls are only used if passes as parameters or if they are
2145         local statics and the call is not to a builtin.
2146         (call_may_clobber_ref_p_1): Likewise.
2147
2148 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2149
2150         * expr.c (do_store_flag): Remove last argument.  Simplify code
2151         to avoid duplication of tests already done by can_compare_p.
2152         (expand_expr_real_1): Adjust caller.
2153
2154 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2155
2156         * optabs.c (can_compare_p): Test the predicate of a
2157         cbranch and cstore pattern.
2158
2159 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2160
2161         * expr.c (convert_move): Use emit_store_flag instead of
2162         "emulating" it.
2163
2164 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
2165
2166         * config/i386/i386.c (ix86_compare_emitted): Remove.
2167         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
2168         ix86_compare_op0 like ix86_compare_emitted used to be handled.
2169         * config/i386/i386.h (ix86_compare_emitted): Remove.
2170         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
2171         instead of ix86_compare_emitted.
2172         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
2173
2174 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
2175
2176         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
2177         Add t-sysroot-suffix to tmake_file.
2178         * config/print-sysroot-suffix.sh: New file.
2179         * config/t-sysroot-suffix: New file.
2180
2181 2009-04-07  Ben Elliston  <bje@au.ibm.com>
2182
2183         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
2184         as the latter produces a warning when the target does not support
2185         infinity.
2186
2187 2009-04-07  Ben Elliston  <bje@au.ibm.com>
2188
2189         * dfp.c: Replace type punning assignments with memcpy throughout.
2190         * Makefile.in (dfp.o-warn): Remove.
2191
2192 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
2193
2194         PR target/39634
2195         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
2196         Include soft-fp/t-softfp after rs6000/t-linux64.
2197
2198 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
2199
2200         * stor-layout.c (set_sizetype): Use the full precision of their
2201         machine mode for bitsize types.
2202
2203 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
2204
2205         * config/i386/i386.md: Revert 2 accidental checkins.
2206
2207 2009-04-06  Joey Ye  <joey.ye@intel.com>
2208             Xuepeng Guo <xuepeng.guo@intel.com>
2209             H.J. Lu  <hongjiu.lu@intel.com>
2210
2211         Atom pipeline model, tuning and insn selection.
2212         * config.gcc (atom): Add atom config options and target.
2213
2214         * config/i386/atom.md: New.
2215
2216         * config/i386/i386.c (atom_cost): New cost.
2217         (m_ATOM): New macro flag.
2218         (initial_ix86_tune_features): Set m_ATOM.
2219         (x86_accumulate_outgoing_args): Likewise.
2220         (x86_arch_always_fancy_math_387): Likewise.
2221         (processor_target): Add Atom cost.
2222         (cpu_names): Add Atom cpu name.
2223         (override_options): Set Atom ISA.
2224         (ix86_issue_rate): New case PROCESSOR_ATOM.
2225         (ix86_adjust_cost): Likewise.
2226
2227         * config/i386/i386.h (TARGET_ATOM): New target macro.
2228         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
2229         (TARGET_OPT_AGU): New target option.
2230         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
2231         (processor_type): Add PROCESSOR_ATOM.
2232
2233         * config/i386/i386.md (cpu): Add new value "atom".
2234         (use_carry, movu): New attr.
2235         (atom.md): Include atom.md.
2236         (adddi3_carry_rex64): Set attr "use_carry".
2237         (addqi3_carry): Likewise.
2238         (addhi3_carry): Likewise.
2239         (addsi3_carry): Likewise.
2240         (*addsi3_carry_zext): Likewise.
2241         (subdi3_carry_rex64): Likewise.
2242         (subqi3_carry): Likewise.
2243         (subhi3_carry): Likewise.
2244         (subsi3_carry): Likewise.
2245         (x86_movdicc_0_m1_rex64): Likewise.
2246         (*x86_movdicc_0_m1_se): Likewise.
2247         (x86_movsicc_0_m1): Likewise.
2248         (*x86_movsicc_0_m1_se): Likewise.
2249         (*adddi_1_rex64): Emit add insn as much as possible.
2250         (*addsi_1): Likewise.
2251         (return_internal): Set atom_unit.
2252         (return_internal_long): Likewise.
2253         (return_pop_internal): Likewise.
2254         (*rcpsf2_sse): Set atom_sse_attr attr.
2255         (*qrt<mode>2_sse): Likewise.
2256         (*prefetch_sse): Likewise.
2257
2258         * config/i386/i386-c.c (ix86_target_macros_internal): New case
2259         PROCESSOR_ATOM.
2260         (ix86_target_macros_internal): Likewise.
2261
2262         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
2263         (*prefetch_sse_rex): Likewise.
2264         (sse_rcpv4sf2): Likewise.
2265         (sse_vmrcpv4sf2): Likewise.
2266         (sse_sqrtv4sf2): Likewise.
2267         (<sse>_vmsqrt<mode>2): Likewise.
2268         (sse_ldmxcsr): Likewise.
2269         (sse_stmxcsr): Likewise.
2270         (*sse_sfence): Likewise.
2271         (sse2_clflush): Likewise.
2272         (*sse2_mfence): Likewise.
2273         (*sse2_lfence): Likewise.
2274         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
2275         (<sse>_movup<ssemodesuffixf2c>): Likewise.
2276         (avx_movdqu<avxmodesuffix>): Likewise.
2277         (avx_lddqu<avxmodesuffix>): Likewise.
2278         (sse2_movntv2di): Change attr "type" to "ssemov".
2279         (sse2_movntsi): Likewise.
2280         (rsqrtv8sf2): Change attr "type" to "sseadd".
2281         (sse3_addsubv2df3): Set attr "atom_unit".
2282         (sse3_h<plusminus_insn>v4sf3): Likewise.
2283         (*sse2_pmaddwd): Likewise.
2284         (*vec_extractv2di_1_rex64): Likewise.
2285         (*vec_extractv2di_1_avx): Likewise.
2286         (sse2_psadbw): Likewise.
2287         (ssse3_phaddwv8hi3): Likewise.
2288         (ssse3_phaddwv4hi3): Likewise.
2289         (ssse3_phadddv4si3): Likewise.
2290         (ssse3_phadddv2si3): Likewise.
2291         (ssse3_phaddswv8hi3): Likewise.
2292         (ssse3_phaddswv4hi3): Likewise.
2293         (ssse3_phsubwv8hi3): Likewise.
2294         (ssse3_phsubwv4hi3): Likewise.
2295         (ssse3_phsubdv4si3): Likewise.
2296         (ssse3_phsubdv2si3): Likewise.
2297         (ssse3_phsubswv8hi3): Likewise.
2298         (ssse3_phsubswv4hi3): Likewise.
2299         (ssse3_pmaddubsw128): Likewise.
2300         (sse3_pmaddubsw: Likewise.
2301         (ssse3_palignrti): Likewise.
2302         (ssse3_palignrdi): Likewise.
2303
2304 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
2305
2306         * doc/install.texi (Specific): Fix two cross-references to MinGW.
2307
2308 2009-04-06  Richard Guenther  <rguenther@suse.de>
2309
2310         PR tree-optimization/28868
2311         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
2312         of which PHI results we inserted.
2313         (insert_into_preds_of_block): Record inserted PHIs.
2314         (eliminate): Eliminate redundant PHI nodes.
2315         (init_pre): Init inserted_phi_names.
2316
2317 2009-04-06  Richard Guenther  <rguenther@suse.de>
2318
2319         PR tree-optimization/39643
2320         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
2321         IMAGPART_EXPRs of complex constants.
2322         (execute_fold_all_builtins): If we folded a call queue
2323         TODO_update_address_taken.
2324
2325 2009-04-06  Jan Hubicka  <jh@suse.cz>
2326
2327         PR middle-end/39659
2328         * except.c (remove_unreachable_regions): Propagate may_contain_throw
2329         flag.
2330
2331 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
2332
2333         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
2334         delay slot.
2335         (ic_invalidate_array): Likewise.
2336
2337 2009-04-06  Hariharan Sandanagobalane <hariharan@picochip.com>
2338
2339         * calls.c (emit_library_call_value_1): Fix a problem with parameter
2340         alignment for library calls.
2341
2342 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
2343
2344         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
2345         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
2346         * config/i386/mingw-stdint.h:  New file.
2347
2348 2009-04-05  Richard Guenther  <rguenther@suse.de>
2349
2350         PR tree-optimization/39648
2351         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
2352         our &A vs. &A[0] IL deficiencies.
2353
2354 2009-04-04  Jan Hubicka  <jh@suse.cz>
2355
2356         * except.c (sjlj_find_directly_reachable_regions): Be ready for
2357         removed toplevel regions.
2358         (sjlj_mark_call_sites): Likewise.
2359
2360 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
2361
2362         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
2363         (cygwin tm clause use_gcc_stdint):  Set to wrap.
2364         * config/i386/cygwin-stdint.h:  New file.
2365
2366 2009-04-04  Richard Guenther  <rguenther@suse.de>
2367
2368         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
2369         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
2370         single-argument PHIs if we are in loop-closed SSA form.
2371         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
2372         for the pre-condition.
2373         (slpeel_tree_peel_loop_to_edge): Likewise.
2374         (vect_build_loop_niters): Take an optional sequence to append stmts.
2375         (vect_generate_tmps_on_preheader): Likewise.
2376         (vect_do_peeling_for_loop_bound): Take extra guards for the
2377         pre-condition.
2378         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
2379         the cost model check.
2380         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
2381         guards if we are going to peel.  Do not apply versioning in that case.
2382         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
2383         (vect_do_peeling_for_loop_bound): Likewise.
2384         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
2385         loop bound only record extra pre-conditions, do not apply loop
2386         versioning.
2387
2388 2009-04-04  Richard Guenther  <rguenther@suse.de>
2389
2390         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
2391         renaming code.
2392
2393 2009-04-04  Jan Hubicka  <jh@suse.cz>
2394
2395         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
2396         last_basic_block for size of bb->index indexed array.
2397         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
2398         compute_out, link_btr_uses, build_btr_def_use_webs,
2399         build_btr_def_use_webs, migrate_btr_defs): Likewise.
2400
2401 2009-04-04  Jan Hubicka  <jh@suse.cz>
2402
2403         * except.c (remove_eh_handler_and_replace): Break out from ...
2404         (remove_eh_handler): ... here.
2405         (bring_to_root): New function.
2406         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
2407         handled ones, bring others to root of tree.
2408
2409 2009-04-04  Jan Hubicka  <jh@suse.cz>
2410
2411         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
2412         (all_phis_safe_to_merge): New function.
2413         (update_info): New structure.
2414         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
2415         (cleanup_empty_eh): Update SSA if possible.
2416
2417 2009-04-04  Richard Guenther  <rguenther@suse.de>
2418
2419         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
2420         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
2421         (append_vuse): Likewise.
2422
2423 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
2424
2425         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
2426         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
2427         instead of REG_UNSAVED for DW_CFA_undefined.
2428         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
2429         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
2430         outermost frame.
2431
2432 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
2433
2434         PR target/39501
2435         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
2436         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
2437         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
2438
2439 2009-04-04  Richard Guenther  <rguenther@suse.de>
2440
2441         PR tree-optimization/8781
2442         PR tree-optimization/37892
2443         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
2444         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
2445         (valueize_refs): Call it for *& valueizations.
2446         (shared_reference_ops_from_ref): Rename to ...
2447         (valueize_shared_reference_ops_from_ref): ... this and valueize.
2448         (shared_reference_ops_from_call): Rename to ...
2449         (valueize_shared_reference_ops_from_call): ... this and valueize.
2450         (vn_reference_lookup): Update.
2451         (visit_reference_op_call): Likewise.
2452         * tree-ssa-pre.c (phi_translate_1): Fold *&.
2453         (eliminate): Value-replace the call address in call statements.
2454
2455 2009-04-04  Richard Guenther  <rguenther@suse.de>
2456
2457         PR tree-optimization/39636
2458         * tree-ssa-forwprop.c
2459         (forward_propagate_addr_into_variable_array_index): Check for
2460         GIMPLE_ASSIGN before accessing the rhs code.
2461
2462 2009-04-03  Jason Merrill  <jason@redhat.com>
2463
2464         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
2465
2466 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
2467
2468         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
2469         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
2470         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
2471         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
2472         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
2473         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
2474         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
2475         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
2476         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
2477         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
2478         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
2479         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
2480         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
2481         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
2482         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
2483         Use fr_reg_or_fp01_operand instead of fr_register_operand
2484
2485         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
2486         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
2487         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
2488
2489 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
2490
2491         PR rtl-optimization/39607
2492         PR rtl-optimization/39631
2493
2494         Revert:
2495
2496         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
2497         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
2498         instead of DF_LR_OUT.
2499         * ira-lives.c (process_bb_node_lives): Ditto.
2500         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
2501         instead of DF_LR_{OUT,IN}.
2502         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
2503         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
2504
2505 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
2506
2507         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
2508         (execute_lower_omp): Always run but take the short way out if -fopenmp
2509         is not given.
2510         (gate_lower_omp): Remove, forcing the pass manager to always run the
2511         pass and always set PROP_gimple_lomp.
2512         (pass_lower_omp): Remove gate function.
2513         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
2514         PROP_trees.  Instead, require it.
2515         * ipa-cp.c (pass_ipa_cp): Likewise.
2516         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
2517         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
2518         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
2519         and PROP_gimple_leh.
2520
2521 2009-04-03  Richard Guenther  <rguenther@suse.de>
2522
2523         PR middle-end/13146
2524         PR tree-optimization/23940
2525         PR tree-optimization/33237
2526         PR middle-end/33974
2527         PR middle-end/34093
2528         PR tree-optimization/36201
2529         PR tree-optimization/36230
2530         PR tree-optimization/38049
2531         PR tree-optimization/38207
2532         PR tree-optimization/38230
2533         PR tree-optimization/38301
2534         PR tree-optimization/38585
2535         PR middle-end/38895
2536         PR tree-optimization/38985
2537         PR tree-optimization/39299
2538         * tree-ssa-structalias.h: Remove.
2539         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
2540         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
2541         (struct vuse_element_d): Remove.
2542         (struct vuse_vec_d): Likewise.
2543         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
2544         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
2545         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
2546         VUSE_ELEMENT_VAR): Likewise.
2547         (struct voptype_d): Likewise.
2548         (NUM_VOP_FREE_BUCKETS): Likewise.
2549         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
2550         (struct stmt_operands_d): Remove.
2551         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
2552         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
2553         VDEF_NUM, VDEF_VECT): Likewise.
2554         (copy_virtual_operands): Remove.
2555         (operand_build_cmp): Likewise.
2556         (create_ssa_artificial_load_stmt): Likewise.
2557         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
2558         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
2559         vuse_index and mayuse_index members.  Pack and move done and iter_type
2560         members to the front.
2561         (SSA_OP_VMAYUSE): Remove.
2562         (SSA_OP_VIRTUAL_USES): Adjust.
2563         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
2564         (unlink_stmt_vdef): Declare.
2565         (add_to_addressable_set): Remove.
2566         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
2567         (vrp_visit_stmt): Likewise.
2568         * doc/tree-ssa.texi (Alias analysis): Update.
2569         * doc/invoke.texi (max-aliased-vops): Remove docs.
2570         (avg-aliased-vops): Likewise.
2571         * tree-into-ssa.c (syms_to_rename): Remove.
2572         (need_to_update_vops_p): Likewise.
2573         (need_to_initialize_update_ssa_p): Rename to ...
2574         (update_ssa_initialized_fn): ... this.  Track function we are
2575         initialized for.
2576         (symbol_marked_for_renaming): Simplify.
2577         (add_new_name_mapping): Do not set need_to_update_vops_p.
2578         (dump_currdefs): Use SYMS_TO_RENAME.
2579         (rewrite_update_stmt): Always walk all uses/defs.
2580         (dump_update_ssa): Adjust.
2581         (init_update_ssa): Take function argument.  Track what we are
2582         initialized for.
2583         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
2584         (create_new_def_for): Initialize for cfun, assert we are initialized
2585         for cfun.
2586         (mark_sym_for_renaming): Simplify.
2587         (mark_set_for_renaming): Do not initialize update-ssa.
2588         (need_ssa_update_p): Simplify.  Take function argument.
2589         (name_mappings_registered_p): Assert we ask for the correct function.
2590         (name_registered_for_update_p): Likewise.
2591         (ssa_names_to_replace): Likewise.
2592         (release_ssa_name_after_update_ssa): Likewise.
2593         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
2594         (dump_decl_set): Do not print a newline.
2595         (debug_decl_set): Do it here.
2596         (dump_update_ssa): And here.
2597         * tree-ssa-loop-im.c (move_computations): Adjust.
2598         (movement_possibility): Likewise.
2599         (determine_max_movement): Likewise.
2600         (gather_mem_refs_stmt): Likewise.
2601         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
2602         or NAME_MEMORY_TAG.
2603         * tree-complex.c (update_all_vops): Remove.
2604         (expand_complex_move): Adjust.
2605         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
2606         Simplify test for memory referencing statement.  Exclude
2607         non-invariant ADDR_EXPRs.
2608         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
2609         * tree-loop-distribution.c (generate_memset_zero): Adjust.
2610         (rdg_flag_uses): Likewise.
2611         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
2612         related code.
2613         (tree_optimize_tail_calls_1): Also split the
2614         edge from the entry block if we have degenerate PHI nodes in
2615         the first basic block.
2616         * tree.c (init_ttree): Remove memory-tag related code.
2617         (tree_code_size): Likewise.
2618         (tree_node_structure): Likewise.
2619         (build7_stat): Re-write to be build6_stat.
2620         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
2621         (SSA_VAR_P): Adjust.
2622         (struct tree_memory_tag): Remove.
2623         (struct tree_memory_partition_tag): Likewise.
2624         (union tree_node): Adjust.
2625         (build7): Re-write to be build6.
2626         * tree-pass.h (pass_reset_cc_flags): Remove.
2627         (TODO_update_address_taken): New flag.
2628         (pass_simple_dse): Remove.
2629         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
2630         * params.h (MAX_ALIASED_VOPS): Remove.
2631         (AVG_ALIASED_VOPS): Likewise.
2632         * omp-low.c (expand_omp_taskreg): Update SSA form.
2633         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
2634         aliases the lhs in a copy stmt.
2635         * tree-ssa-dse.c (struct address_walk_data): Remove.
2636         (memory_ssa_name_same): Likewise.
2637         (memory_address_same): Likewise.
2638         (get_kill_of_stmt_lhs): Likewise.
2639         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
2640         unused stores.  Look through PHI nodes into post-dominated regions.
2641         (dse_optimize_stmt): Simplify.  Properly remove stores.
2642         (tree_ssa_dse): Compute dominators.
2643         (execute_simple_dse): Remove.
2644         (pass_simple_dse): Likewise.
2645         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
2646         gimple_loaded_syms and gimple_stored_syms computation.
2647         * toplev.c (dump_memory_report): Dump alias and pta stats.
2648         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
2649         (vn_reference_eq): Likewise.
2650         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
2651         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
2652         valueize_vuses): Remove.
2653         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
2654         (get_def_ref_stmt_vuse): ... this.
2655         (vn_reference_lookup_2): New function.
2656         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
2657         walking equivalent vuses.  Simplify.
2658         (vn_reference_lookup): Likewise.
2659         (vn_reference_insert): Likewise.
2660         (vn_reference_insert_pieces): Likewise.
2661         (visit_reference_op_call): Simplify.
2662         (visit_reference_op_load): Likewise.
2663         (visit_reference_op_store): Likewise.
2664         (init_scc_vn): Remove shared_lookup_vuses initialization.
2665         (free_scc_vn): Remove shared_lookup_vuses freeing.
2666         (sort_vuses, sort_vuses_heap): Remove.
2667         (get_ref_from_reference_ops): Export.
2668         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
2669         vector with single vuse pointer.
2670         (vn_reference_lookup_pieces, vn_reference_lookup,
2671         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
2672         (shared_vuses_from_stmt): Remove.
2673         (get_ref_from_reference_ops): Declare.
2674         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
2675         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
2676         memory-tag related code.
2677         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
2678         (likely_value): Add comment, skip static-chain of call statements.
2679         (surely_varying_stmt_p): Adjust.
2680         (gimplify_and_update_call_from_tree): Likewise.
2681         (execute_fold_all_builtins): Do not rebuild alias info.
2682         (gimplify_and_update_call_from_tree): Properly update VOPs.
2683         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
2684         (copy_ref_info): Remove memory-tag related code.
2685         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
2686         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
2687         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
2688         computation.
2689         * tree-ssa-dom.c (gimple_p): Remove typedef.
2690         (eliminate_redundant_computations): Adjust.
2691         (record_equivalences_from_stmt): Likewise.
2692         (avail_expr_hash): Likewise.
2693         (avail_expr_eq): Likewise.
2694         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
2695         (stmt_makes_single_load): Likewise.
2696         (stmt_makes_single_store): Likewise.
2697         * tree-ssa-alias.c: Rewrite completely.
2698         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
2699         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
2700         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
2701         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
2702         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
2703         Remove public functions.
2704         (pass_reset_cc_flags): Remove.
2705         (pass_build_alias): Move ...
2706         * tree-ssa-structalias.c (pass_build_alias): ... here.
2707         * tree-ssa-alias.c (may_be_aliased): Move ...
2708         * tree-flow-inline.h (may_be_aliased): ... here.
2709         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
2710         count_uses_and_derefs): Move ...
2711         * gimple.c: ... here.
2712         * gimple.h (count_uses_and_derefs): Declare.
2713         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
2714         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
2715         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
2716         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
2717         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
2718         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
2719         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
2720         New functions.
2721         * tree-dfa.c (refs_may_alias_p): Move ...
2722         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
2723         * tree-ssa-alias.h: New file.
2724         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
2725         (statement_sink_location): Likewise.
2726         * opts.c (decode_options): Do not adjust max-aliased-vops or
2727         avg-aliased-vops values.
2728         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
2729         (TV_CALL_CLOBBER): Likewise.
2730         (TV_FLOW_SENSITIVE): Likewise.
2731         (TV_FLOW_INSENSITIVE): Likewise.
2732         (TV_MEMORY_PARTITIONING): Likewise.
2733         (TV_ALIAS_STMT_WALK): New timevar.
2734         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
2735         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
2736         (get_address_description): Remove memory-tag related code.
2737         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
2738         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
2739         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
2740         and immediate uses in statements.  Document.
2741         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
2742         (dump_symbols): Remove.
2743         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
2744         * alias.c (get_deref_alias_set): New function split out from ...
2745         (get_alias_set): ... here.
2746         * alias.h (get_deref_alias_set): Declare.
2747         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
2748         type parameter.  Remove restrict pointer handling.  Create a
2749         ref-all pointer in case type-based alias sets do not conflict.
2750         (vect_analyze_data_refs): Remove SMT related code.
2751         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
2752         (vectorizable_load): Likewise.
2753         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
2754         (DR_SYMBOL_TAG, DR_VOPS): Remove.
2755         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
2756         Ignore vops and SMTs.
2757         (dr_analyze_alias): Likewise..
2758         (free_data_ref): Likewise.
2759         (create_data_ref): Likewise.
2760         (analyze_all_data_dependences): Likewise.
2761         (get_references_in_stmt): Adjust.
2762         * tree-flow-inline.h (gimple_aliases_computed_p,
2763         gimple_addressable_vars, gimple_call_clobbered_vars,
2764         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
2765         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
2766         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
2767         gimple_mem_ref_stats): Remove.
2768         (gimple_vop): New function.
2769         (op_iter_next_use): Remove vuses and mayuses cases.
2770         (op_iter_next_def): Remove vdefs case.
2771         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
2772         (clear_and_done_ssa_iter): Do not set removed fields.
2773         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
2774         Assert we are not iterating over vuses or vdefs if not also
2775         iterating over uses or defs.
2776         (op_iter_init_use): Likewise.
2777         (op_iter_init_def): Likewise.
2778         (op_iter_next_vdef): Remove.
2779         (op_iter_next_mustdef): Likewise.
2780         (op_iter_init_vdef): Likewise.
2781         (compare_ssa_operands_equal): Likewise.
2782         (link_use_stmts_after): Handle vuse operand.
2783         (is_call_used): Use is_call_clobbered.
2784         (is_call_clobbered): Global variables are always call clobbered,
2785         query the call-clobbers bitmap.
2786         (mark_call_clobbered): Ignore global variables.
2787         (clear_call_clobbered): Likewise.
2788         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
2789         virtual operands sanity check.
2790         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
2791         Remove.
2792         (TARGET_MEM_REF): Remove TMR_TAG operand.
2793         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
2794         Remove call-clobber related code.
2795         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
2796         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
2797         partitions or escape reason.
2798         (get_single_def_stmt, get_single_def_stmt_from_phi,
2799         get_single_def_stmt_with_phi): Remove.
2800         (dump_referenced_vars): Tidy.
2801         (get_ref_base_and_extent): Allow bare decls.
2802         (collect_dfa_stats): Adjust.
2803         * graphite.c (rename_variables_in_stmt): Adjust.
2804         (graphite_copy_stmts_from_block): Likewise.
2805         (translate_clast): Likewise.
2806         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
2807         (EXPR_DIES): New.
2808         (translate_vuse_through_block): Use the oracle.
2809         (phi_translate_1): Adjust.
2810         (value_dies_in_block_x): Use the oracle.  Cache the outcome
2811         in EXPR_DIES.
2812         (valid_in_sets): Check if the VUSE for
2813         a REFERENCE is available.
2814         (eliminate): Do not remove stmts during elimination,
2815         instead queue and remove them afterwards.
2816         (do_pre): Do not rebuild alias info.
2817         (pass_pre): Run TODO_rebuild_alias before PRE.
2818         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
2819         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
2820         (mark_all_v_defs_stmt): Remove.
2821         (mark_all_v_defs_seq): Adjust.
2822         (sra_replace): Likewise.
2823         (scalarize_use): Likewise.
2824         (scalarize_copy): Likewise.
2825         (scalarize_init): Likewise.
2826         (scalarize_ldst): Likewise.
2827         (todoflags): Remove.
2828         (tree_sra): Do not rebuild alias info.
2829         (tree_sra_early): Adjust.
2830         (pass_sra): Run TODO_update_address_taken before SRA.
2831         * tree-predcom.c (set_alias_info): Remove.
2832         (prepare_initializers_chain): Do not call it.
2833         (mark_virtual_ops_for_renaming): Adjust.
2834         (mark_virtual_ops_for_renaming_list): Remove.
2835         (initialize_root_vars): Adjust.
2836         (initialize_root_vars_lm): Likewise.
2837         (prepare_initializers_chain): Likewise.
2838         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
2839         (may_propagate_copy_into_stmt): Likewise.
2840         (merge_alias_info): Do nothing for now.
2841         (propagate_tree_value_into_stmt): Adjust.
2842         (stmt_may_generate_copy): Likewise.
2843         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
2844         not mark symbols for renaming.
2845         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
2846         with the same statement, make sure to update the new pointed-to one.
2847         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
2848         call statements, do not mark symbols for renaming.
2849         (mark_operand_necessary): Dump something.
2850         (ref_may_be_aliased): New function.
2851         (mark_aliased_reaching_defs_necessary_1): New helper function.
2852         (mark_aliased_reaching_defs_necessary): Likewise.
2853         (mark_all_reaching_defs_necessary_1): Likewise.
2854         (mark_all_reaching_defs_necessary): Likewise.
2855         (propagate_necessity): Do not process virtual PHIs.  For
2856         non-aliased loads mark all reaching definitions as necessary.
2857         For aliased loads and stores mark the immediate dominating
2858         aliased clobbers as necessary.
2859         (visited): New global static.
2860         (perform_tree_ssa_dce): Free visited bitmap after propagating
2861         necessity.
2862         (remove_dead_phis): Perform simple dead virtual PHI removal.
2863         (remove_dead_stmt): Properly unlink virtual operands when
2864         removing stores.
2865         (eliminate_unnecessary_stmts): Schedule PHI removal after
2866         stmt removal.
2867         * tree-ssa-ter.c (is_replaceable_p): Adjust.
2868         (process_replaceable): Likewise.
2869         (find_replaceable_in_bb): Likewise.
2870         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
2871         based on the single gimple vop.
2872         (verify_flow_insensitive_alias_info): Remove.
2873         (verify_flow_sensitive_alias_info): Likewise.
2874         (verify_call_clobbering): Likewise.
2875         (verify_memory_partitions): Likewise.
2876         (verify_alias_info): Likewise.
2877         (verify_ssa): Adjust..
2878         (execute_update_addresses_taken): Export.  Update SSA
2879         manually.  Optimize only when optimizing.  Use a local bitmap.
2880         (pass_update_address_taken): Remove TODO_update_ssa, add
2881         TODO_dump_func.
2882         (pass_update_address_taken): Just use TODO_update_address_taken.
2883         (init_tree_ssa): Do not initialize addressable_vars.
2884         (verify_ssa): Verify new VUSE / VDEF properties.
2885         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
2886         Do not call verify_alias_info.
2887         (delete_tree_ssa): Clear the VUSE, VDEF operands.
2888         Do not free the loaded and stored syms bitmaps.  Reset the escaped
2889         and callused solutions.  Do not free addressable_vars.
2890         Remove memory-tag related code.
2891         (warn_uninitialized_var): Aliases are always available.
2892         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
2893         * lambda-code.c (can_put_in_inner_loop): Adjust.
2894         (can_put_after_inner_loop): Likewise.
2895         (perfect_nestify): Likewise.
2896         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
2897         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
2898         (vectorizable_conversion): Do not mark symbols for renaming.
2899         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
2900         (expand_call_inline): Unlink the calls virtual operands before
2901         replacing it.
2902         (tree_function_versioning): Do not call update_ssa if we are not
2903         updating clones.  Simplify.
2904         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
2905         (propagate_with_phi): Likewise..
2906         * tree-outof-ssa.c (create_temp): Remove memory tag and call
2907         clobber code.  Assert we are not aliased or global.
2908         * tree-flow.h: Include tree-ssa-alias.h
2909         (enum escape_type): Remove.
2910         (struct mem_sym_stats_d): Likewise.
2911         (struct mem_ref_stats_d): Likewise.
2912         (struct gimple_df): Add vop member.  Remove global_var,
2913         call_clobbered_vars, call_used_vars, addressable_vars,
2914         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
2915         escaped and callused members.
2916         (struct ptr_info_def): Remove all members, add points-to solution
2917         member pt.
2918         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
2919         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
2920         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
2921         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
2922         (tree-ssa-alias.o): Likewise.
2923         (toplev.o): Add tree-ssa-alias.h
2924         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
2925         * gimple.c (gimple_set_bb): Fix off-by-one error.
2926         (is_gimple_reg): Do not handle memory tags.
2927         (gimple_copy): Also copy virtual operands.
2928         Delay updating the statement.  Do not reset loaded and stored syms.
2929         (gimple_set_stored_syms): Remove.
2930         (gimple_set_loaded_syms): Likewise.
2931         (gimple_call_copy_skip_args): Copy the virtual operands
2932         and mark the new statement modified.
2933         * tree-ssa-structalias.c (may_alias_p): Remove.
2934         (set_uids_in_ptset): Take the alias set to prune with as
2935         parameter.  Fold in the alias test of may_alias_p.
2936         (compute_points_to_sets): Compute whether a ptr is dereferenced
2937         in a local sbitmap.
2938         (process_constraint): Deal with &ANYTHING on the lhs, reject all
2939         other ADDRESSOF constraints on the lhs.
2940         (get_constraint_for_component_ref): Assert that we don't get
2941         ADDRESSOF constraints from the base of the reference.
2942         Properly generate UNKNOWN_OFFSET for DEREF if needed.
2943         (struct variable_info): Remove collapsed_to member.
2944         (get_varinfo_fc): Remove.
2945         (new_var_info): Do not set collapsed_to.
2946         (dump_constraint): Do not follow cycles.
2947         (dump_constraint_graph): Likewise.
2948         (build_pred_graph): Likewise.
2949         (build_succ_graph): Likewise.
2950         (rewrite_constraints): Likewise.
2951         (do_simple_structure_copy): Remove.
2952         (do_rhs_deref_structure_copy): Remove.
2953         (do_lhs_deref_structure_copy): Remove.
2954         (collapse_rest_of_var): Remove.
2955         (do_structure_copy): Re-implement.
2956         (pta_stats): New global variable.
2957         (dump_pta_stats): New function.
2958         (struct constraint_expr): Make offset signed.
2959         (UNKNOWN_OFFSET): Define special value.
2960         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
2961         (solution_set_expand): New helper function split out from ...
2962         (do_sd_constraint): ... here.
2963         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
2964         (do_ds_constraint): Likewise.
2965         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
2966         and CALLUSED = *CALLUSED.
2967         (set_union_with_increment): Make inc argument signed.
2968         (type_safe): Remove.
2969         (get_constraint_for_ptr_offset): Handle unknown and negative
2970         constant offsets.
2971         (first_vi_for_offset): Handle offsets before start.  Bail
2972         out early for offsets beyond the variable extent.
2973         (first_or_preceding_vi_for_offset): New function.
2974         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
2975         Together with ESCAPED = *ESCAPED this properly computes reachability.
2976         (find_what_var_points_to): New function.
2977         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
2978         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
2979         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
2980         pt_solutions_intersect): New functions.
2981         (compute_call_used_vars): Remove.
2982         (compute_may_aliases): New main entry into PTA computation.
2983         * gimple.h (gimple_p): New typedef.
2984         (struct gimple_statement_base): Remove references_memory_p.
2985         (struct gimple_statement_with_memory_ops_base): Remove
2986         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
2987         members.
2988         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
2989         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
2990         gimple_set_references_memory): Remove.
2991         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
2992         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
2993         New functions.
2994         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
2995         (verify_expr): Allow RESULT_DECL.
2996         (gimple_duplicate_bb): Do not copy virtual operands.
2997         (gimple_duplicate_sese_region): Adjust.
2998         (gimple_duplicate_sese_tail): Likewise.
2999         (mark_virtual_ops_in_region): Remove.
3000         (move_sese_region_to_fn): Do not call it.
3001         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
3002         and pass_simple_dse.
3003         (execute_function_todo): Handle TODO_update_address_taken,
3004         call execute_update_addresses_taken for TODO_rebuild_alias.
3005         (execute_todo): Adjust.
3006         (execute_one_pass): Init dump files early.
3007         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
3008         call-clobbered.
3009         (create_general_new_stmt): Clear vops.
3010         * tree-ssa-reassoc.c (get_rank): Adjust.
3011         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
3012         symbols for renaming.
3013         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
3014         (PARAM_AVG_ALIASED_VOPS): Likewise.
3015         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
3016         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
3017         * tree-ssa-operands.c: Simplify for new virtual operand representation.
3018         (operand_build_cmp, copy_virtual_operands,
3019         create_ssa_artificial_load_stmt, add_to_addressable_set,
3020         gimple_add_to_addresses_taken): Remove public functions.
3021         (unlink_stmt_vdef): New function.
3022
3023 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
3024
3025         * config.gcc (powerpc-*-linux*): Merge variants.
3026
3027 2009-04-02  Chao-ying Fu  <fu@mips.com>
3028             James Grosbach <james.grosbach@microchip.com>
3029
3030         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
3031         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
3032         cop0_sp_offset.
3033         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
3034         keep_interrupts_masked_p, use_debug_exception_return_p.
3035         (mips_attribute_table): Add interrupt, use_shadow_register_set,
3036         keep_interrupts_masked, use_debug_exception_return.
3037         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
3038         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
3039         New functions.
3040         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
3041         (mips_print_operand): Process COP0 registers to print $0 .. $31
3042         correctly for GAS to process.
3043         (mips_interrupt_extra_call_saved_reg_p): New function.
3044         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
3045         extra registers.
3046         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
3047         (mips_compute_frame_info): Add supports for interrupt context that
3048         includes doubleword accumulators and COP0 registers.
3049         (mips_for_each_saved_acc): New function.
3050         (mips_for_each_saved_gpr_and_fpr): Change the function name from
3051         mips_for_each_saved_reg.
3052         (mips_save_reg): Save accumulators.
3053         (mips_kernel_reg_p): A new for_each_rtx callback.
3054         (mips_expand_prologue): Support interrupt handlers.
3055         (mips_restore_reg): Restore accumulators.
3056         (mips_expand_epilogue): Support interrupt handlers.
3057         (mips_can_use_return_insn): Return false for interrupt handlers.
3058         (mips_epilogue_uses): New function.
3059         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
3060         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
3061         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
3062         cop0_move): New instructions.
3063         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
3064         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
3065         defines.
3066         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
3067         New defines.
3068         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
3069         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
3070         interrupt handlers, we use K0 as the temporary register.
3071         (EPILOGUE_USES): Change to a function call.
3072         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
3073         handlers, we use K0 as the temporary register.
3074
3075         * doc/extend.texi (Function Attributes): Document interrupt,
3076         use_shadow_register_set, keep_interrupts_masked,
3077         use_debug_exception_return for MIPS attributes.
3078
3079 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
3080
3081         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
3082         Remove a number of t-files from tmake_file.
3083         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
3084         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
3085         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
3086         target_prototype, not TARGET_PROTOTYPE.
3087         (LINK_OS_GNU_SPEC): Define.
3088         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
3089         and darwin-ldoubdle.c.
3090
3091 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
3092
3093         PR driver/39293
3094         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
3095         (cpp_options): Ditto.
3096         (default_compilers): Ditto.
3097         (display_help): Ditto.
3098         (process_command): Ditto.
3099         (do_spec_1): Ditto.
3100         (set_input): Use lbasename instead of duplicate code.
3101         (save_temps_prefix): New static for -save-temps=obj.
3102         (save_temps_length): Ditto.
3103
3104         * doc/invoke.texi (-save-temps=obj): Document new variant to
3105         -save-temps switch.
3106
3107 2009-04-02  Jeff Law  <law@redhat.com>
3108
3109         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
3110         variable.
3111
3112 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
3113
3114         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
3115         * configure: Regenerated.
3116
3117 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3118
3119         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
3120         share the argument list.
3121
3122 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3123
3124         Merge
3125
3126         2009-02-12  Diego Novillo  <dnovillo@google.com>
3127
3128         * varpool.c (debug_varpool): New.
3129         * cgraph.h (debug_varpool): Declare.
3130
3131 2009-04-02  Jan Hubicka  <jh@suse.cz>
3132
3133         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
3134         pass.
3135
3136 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
3137
3138         * config/i386/i386.c (ix86_abi): Move initialization to ...
3139         (override_options): Here.
3140
3141 2009-04-02  Christian Bruel  <christian.bruel@st.com>
3142
3143         * config/sh/sh.c (sh_dwarf_register_span): New function.
3144         (TARGET_DWARF_REGISTER_SPAN): Define.
3145         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
3146
3147 2009-04-02  Ira Rosen  <irar@il.ibm.com>
3148
3149         PR tree-optimization/39595
3150         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
3151         interleaved loads group is not  greater than the SLP group size.
3152
3153 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
3154
3155         * builtins.c (is_builtin_name): New.
3156         (called_as_built_in): Use is_builtin_name.
3157         * tree.h (is_builtin_name): New.
3158         * varasm.c (incorporeal_function_p): Use is_builtin_name
3159
3160 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
3161
3162         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
3163
3164 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
3165
3166         PR c++/26693
3167         * c-decl.c (clone_underlying_type): Move this ...
3168         * c-common.c (set_underlying_type): ... here.
3169         Also, make sure the function properly sets TYPE_STUB_DECL() on
3170         the newly created typedef variant type.
3171         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
3172         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
3173         points.
3174
3175 2009-04-02  Richard Guenther  <rguenther@suse.de>
3176
3177         PR tree-optimization/37221
3178         * tree-flow.h (degenerate_phi_result): Declare.
3179         * tree-ssa-dom.c (degenerate_phi_result): Export.
3180         * tree-scalar-evolution.c (analyze_initial_condition): If
3181         the initial condition is defined by a degenerate PHI node
3182         use the degenerate value.
3183
3184 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
3185
3186         PR rtl-optimization/39588
3187         * combine.c (merge_outer_ops): Do not set the constant when this
3188         is not necessary.
3189         (simplify_shift_const_1): Do not modify it either in this case.
3190
3191 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3192
3193         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
3194         tuning is deprecated if -mtune value is set to an Itanium1 variant.
3195
3196 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
3197
3198         PR c/29027
3199         * c-lex.c (interpret_float): Default (no suffix) is double.
3200
3201 2009-04-1  Xinliang David Li  <davidxl@google.com>
3202
3203         * config/i386/i386.c (legitimate_constant_p): Recognize
3204         all one vector constant.
3205
3206 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3207
3208         * gcc/config/vax/vax.c: Add #includes to silence warnings.
3209         Change #include order to silence two warnings.
3210
3211 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3212
3213         * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
3214         (ASM_SPEC): Pass -k to the assembler for PIC code.
3215
3216 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3217
3218         * gcc/config.gcc: Add vax-*-linux* to the switch.
3219         * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
3220         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
3221
3222 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3223
3224         * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
3225         Use predicate macros instead of GET_CODE() == foo.
3226         * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
3227         ashlsi3, rotrsi3, <unnamed>): Likewise.
3228
3229 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3230
3231         * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
3232         jbbccihi, jbbccisi): Remova trailing whitespace.
3233         * gcc/config/vax/constraints.md: Likewise.
3234         * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
3235         * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
3236         * gcc/config/vax/predicates.md: Likewise.
3237         * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
3238         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
3239         * gcc/config/vax/vax.h: Likewise.
3240         * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
3241
3242 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3243
3244         * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
3245         (indirectable_address_p, adjacent_operands_p): Add spaces around
3246         braces.
3247         * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
3248
3249 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3250
3251         * gcc/config/vax/vax.c (legitimate_constant_address_p,
3252         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
3253         index_term_p, reg_plus_index_p, legitimate_address_p,
3254         vax_mode_dependent_address_p): Update comments to match functions
3255         modified by the recent int->bool conversion.
3256
3257 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3258
3259         * gcc/config/vax/builtins.md: Update copyright message.
3260         * gcc/config/vax/constraints.md: Likewise.
3261         * gcc/config/vax/netbsd-elf.h: Likewise.
3262         * gcc/config/vax/predicates.md: Likewise.
3263         * gcc/config/vax/vax-protos.h: Likewise.
3264         * gcc/config/vax/vax.c: Likewise.
3265         * gcc/config/vax/vax.h: Likewise.
3266         * gcc/config/vax/vax.md: Likewise.
3267         * gcc/config/vax/vax.opt: Likewise.
3268
3269 2009-04-01  Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
3270
3271         * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
3272         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
3273         * gcc/config/vax/constraints.md (B, R): Likewise.
3274         * gcc/config/vax/predicates.md (external_memory_operand,
3275         nonimmediate_addsub_di_operand): Likewise.
3276         * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
3277         * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
3278         untyped_call): Likewise.
3279
3280 2009-04-01  Matt Thomas <matt@3am-software.com>
3281
3282         * config/vax/predicates.md: New file.
3283         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
3284         external_const_operand, nonsymbolic_operand, external_memory_operand,
3285         indirect_memory_operand, indexed_memory_operand,
3286         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
3287         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
3288         predicate.
3289         * config/vax/constraints.md: New file.
3290         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
3291         New constraint.
3292         * config/vax/builtins.md: New file.
3293         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
3294         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
3295         jbbccisi): Define.
3296         * config/vax/vax.opt (mqmath): Add option.
3297         * config/vax/vax.md (isfx): Extend with DI.
3298         (VAXintQH, VAXintQHSD): Define.
3299         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
3300         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
3301         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
3302         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
3303         (movdi): Update constraints and use vax_output_int_move().
3304         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
3305         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
3306         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
3307         nonlocal_goto): New.
3308         (mov<mode>): Extend accepted operand types.
3309         (subdi3_old): Rename from subdi3, change update constraints and use
3310         a new implementation.
3311         * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
3312         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
3313         MOVE_RATIO, CLEAR_RATIO): Define.
3314         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
3315         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
3316         (PRINT_OPERAND): Redefine using a function instead of inlined code.
3317         * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
3318         (split_quadword_operands): Make static and really allow variable
3319         splitting.
3320         (print_operand_address): Update for PIC generation.
3321         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
3322         indexable_address_p, fixup_mathdi_operand,
3323         vax_expand_addsub_di_operands, adjacent_operands_p): New.
3324         (vax_float_literal, legitimate_constant_p,
3325         indirectable_constant_address_p, index_term_p,
3326         reg_plus_index_p): Return bool instead of int.
3327         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
3328         where needed.
3329         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
3330         generation.
3331         (vax_output_conditional_branch): Indent.
3332         (legitimate_constant_address_p, indirectable_constant_address_p,
3333         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
3334         vax_mode_dependent_address_p): Return bool instead of int, update for
3335         PIC generation.
3336         * config/vax/vax-protos.h (legitimate_constant_address_p,
3337         legitimate_constant_p, legitimate_address_p,
3338         vax_mode_dependent_address_p): Change declaration to bool.
3339         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
3340         vax_expand_addsub_di_operands, vax_output_int_subtract,
3341         vax_output_movmemsi): Declare.
3342         (split_quadword_operands, vax_float_literal): Delete declaration.
3343         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
3344         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
3345         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
3346         ASM_OUTPUT_DWARF_PCREL): Define.
3347         (ASM_SPEC): Change definition to allow PIC generation.
3348
3349 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
3350
3351         * doc/sourcebuild.texi: Update front-end requirements.
3352
3353 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR target/39226
3356         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
3357         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
3358         (booldi3_internal3): Use boolean_or_operator instead of
3359         boolean_operator.
3360
3361 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
3362
3363         PR c/39605
3364         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
3365         declarator whose size is not an integer constant expression but
3366         folds to an integer constant, then treat it as a constant
3367         subsequently.
3368
3369 2009-04-01  Richard Guenther  <rguenther@suse.de>
3370
3371         * fold-const.c (fold_plusminus_mult_expr): Do not fold
3372         i * 4 + 2 to (i * 2 + 1) * 2.
3373
3374 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3375
3376         PR c/37772
3377         * c-parser.c (c_parser_asm_statement): Skip until close paren and
3378         return if c_parser_asm_string_literal returned NULL.
3379
3380 2009-04-01  Nick Clifton  <nickc@redhat.com>
3381
3382         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
3383         already defined.
3384         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
3385         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
3386         other typedefs to avoid conflicts with libgcc2.c.  Define labels
3387         to gain 16-bit bit-manipulation functions from libgcc2.c and then
3388         include it.
3389         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
3390         to gain 16-bit trapping arithmetic functions from libgcc2.c and
3391         then include it.
3392
3393 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
3394
3395         * varasm.c (default_function_rodata_section): Declare DOT as
3396         const char*.
3397
3398 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
3399             Andrey Galkin <agalkin@hypercom.com>
3400
3401         PR/39492
3402         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
3403         Make object_name unique for each process.
3404
3405 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
3406
3407         PR other/39591
3408         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
3409         addressable variables in the parallel that could go out of scope while
3410         running queued tasks.
3411
3412 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
3413
3414         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
3415         (CASE_VALUES_THRESHOLD): Redefine.
3416         * config/avr/avr.c (avr_override_options): Remove initialization of
3417         avr_case_values_threshold variable.
3418         (avr_case_values_threshold): Remove variable. Add new function.
3419         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
3420         * config/avr/avr.opt (mno-tablejump): Remove option.
3421         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
3422
3423 2009-04-01  DJ Delorie  <dj@redhat.com>
3424
3425         * varasm.c (default_function_rodata_section): Don't assume
3426         anything about where the first '.' in the section name is.
3427
3428 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
3429
3430         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
3431         rs6000_emit_stack_tie.
3432
3433 2009-03-31  Ian Lance Taylor  <iant@google.com>
3434
3435         * tree-eh.c (tree_remove_unreachable_handlers): Compare
3436         gimple_code with GIMPLE_RESX, not RESX.
3437
3438 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3439
3440         * c-common.c (c_get_ident): New.
3441         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
3442
3443 2009-04-01  Ben Elliston  <bje@au.ibm.com>
3444
3445         * config/rs6000/sysv4.opt (msdata): Improve option description.
3446
3447 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
3448
3449         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
3450         (divdf3_internal_lat): Remove.
3451         (divxf3_internal_lat): Remove.
3452         (divxf3_internal_thr): Remove.
3453         (divxf): Use divxf3_internal.
3454         * config/ia64/div.md (divsf3_internal_lat): New.
3455         (divdf3_internal_lat): New.
3456         (divxf3_internal): New.
3457
3458 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3459
3460         PR c/448
3461         * Makefile.in (USE_GCC_STDINT): Define.
3462         (stmp-int-hdrs): Install stdint.h if applicable.
3463         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
3464         if known.
3465         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
3466         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
3467         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3468         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3469         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3470         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3471         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3472         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3473         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3474         (c_common_nodes_and_builtins): Initialize
3475         underlying_wchar_type_node.  Do not initialize
3476         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
3477         nodes for new types.
3478         (c_stddef_cpp_builtins): Define macros for new types.
3479         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
3480         Remove.
3481         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
3482         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
3483         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
3484         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
3485         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
3486         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
3487         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
3488         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
3489         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
3490         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
3491         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
3492         int16_type_node, int32_type_node, int64_type_node,
3493         uint8_type_node, uint16_type_node, c_uint32_type_node,
3494         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
3495         int_least32_type_node, int_least64_type_node,
3496         uint_least8_type_node, uint_least16_type_node,
3497         uint_least32_type_node, uint_least64_type_node,
3498         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
3499         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
3500         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
3501         uintptr_type_node): Define.
3502         * c-cppbuiltin.c (builtin_define_constants,
3503         builtin_define_type_minmax): New.
3504         (builtin_define_stdint_macros): Define more macros.
3505         (c_cpp_builtins): Define more limit macros.
3506         (type_suffix): New.
3507         (builtin_define_type_max): Define in terms of
3508         builtin_define_type_minmax.  Remove is_long parameter.  All
3509         callers changed.
3510         * config.gcc (use_gcc_stdint): Define.
3511         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
3512         Add newlib-stdint.h for generic targets.
3513         * config/glibc-stdint.h, config/newlib-stdint.h,
3514         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
3515         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
3516         * config/score/score.h (UINTPTR_TYPE): Define.
3517         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
3518         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
3519         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3520         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3521         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3522         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3523         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3524         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
3525         * config/spu/spu.h (STDINT_LONG32): Define.
3526         * configure.ac (use_gcc_stdint): Substitute.
3527         * configure: Regenerate.
3528         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
3529         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
3530         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
3531         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
3532         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
3533         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
3534         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
3535         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
3536         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
3537         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
3538         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
3539         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
3540         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
3541         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
3542         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
3543         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
3544         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
3545         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
3546         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
3547         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
3548         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
3549         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
3550         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
3551         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
3552         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
3553         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
3554         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
3555         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
3556         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
3557
3558 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
3559
3560         * loop-iv.c (suitable_set_for_replacement): Renamed from
3561         simplify_using_assignment; changed to return bool and to accept new
3562         args DEST and SRC.  Return true iff we find a source/destination pair
3563         that can be used to make a replacement, and fill SRC and DEST if so.
3564         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
3565         changed.
3566         (simplify_using_initial_values): Deal with altered regs here and track
3567         more precisely the effect they have on the validity of our expression.
3568
3569         * loop-iv.c (simplify_using_condition): A condition of the form
3570         (EQ REG CONST) can be used to simply make a substitution.
3571         (simplify_using_initial_values): Keep track of conditions we have seen
3572         and keep using them to simplify new expressions, while applying the
3573         same substitutions to them as to the expression.
3574
3575         * simplify-rtx.c (simplify_relational_operation_1): Simplify
3576         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
3577         GEU/LTU reversed.
3578
3579         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
3580         changed.  Use this when trying to improve the upper bound.
3581         Generate the comparison by using simplify_gen_relational.
3582
3583         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
3584
3585         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
3586         functions.
3587         (simplify_using_assignment, simplify_using_initial_values): Call
3588         replace_in_expr to make replacements.  Call replace_single_def_regs
3589         once on the initial version of the expression.
3590
3591 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3592
3593         PR target/27237
3594         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
3595
3596 2009-03-31  Richard Guenther  <rguenther@suse.de>
3597
3598         PR middle-end/31029
3599         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
3600         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
3601
3602 2009-03-31  Richard Guenther  <rguenther@suse.de>
3603
3604         * tree.h (div_if_zero_remainder): Declare.
3605         * fold-const.c (div_if_zero_remainder): Export.
3606         * tree-ssa-forwprop.c
3607         (forward_propagate_addr_into_variable_array_index): Handle
3608         constant array index addition outside of the variable index.
3609
3610 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3611
3612         PR target/39592
3613         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
3614         define_splits, floatunssi<mode>2): Require x87 conversions from
3615         DImode to be permitted.
3616
3617 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
3618
3619         PR preprocessor/15638
3620         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
3621
3622 2009-03-31  Richard Guenther  <rguenther@suse.de>
3623
3624         PR middle-end/23401
3625         PR middle-end/27810
3626         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
3627         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
3628         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
3629         a separate statement.
3630         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
3631         (lookup_tmp_var): Likewise.
3632         (is_gimple_formal_tmp_or_call_rhs): Remove.
3633         (is_gimple_reg_or_call_rhs): Rename to ...
3634         (is_gimple_reg_rhs_or_call): ... this.
3635         (is_gimple_mem_or_call_rhs): Rename to ...
3636         (is_gimple_mem_rhs_or_call): ... this.
3637         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
3638         DECL_GIMPLE_REG_P only if is_formal is true.
3639         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
3640         for non-proper post-modify expression gimplification.
3641         (gimplify_self_mod_expr): For post-modify expressions gimplify
3642         the lvalue to a minimal lvalue.
3643         (rhs_predicate_for): Remove formal temp case.
3644         (gimplify_modify_expr_rhs): Likewise.
3645         (gimplify_addr_expr): Use is_gimple_reg.
3646         (gimplify_expr): Remove formal temp cases.
3647         (gimple_regimplify_operands): Likewise.
3648         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
3649         and FILTER_EXPR like constants.
3650         * gimple.c (walk_gimple_op): Fix val_only initialization, use
3651         is_gimple_reg.
3652         (is_gimple_formal_tmp_rhs): Remove.
3653         (is_gimple_reg_rhs): Remove special casing.
3654         (is_gimple_mem_rhs): Fix.
3655         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
3656         (is_gimple_formal_tmp_var): Remove.
3657         (is_gimple_formal_tmp_reg): Likewise.
3658         (is_gimple_min_lval): Allow invariant component ref parts.
3659         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
3660         is_gimple_formal_tmp_reg): Remove declarations.
3661         * tree-cfg.c (verify_expr): Verify that variables with address
3662         taken do not have DECL_GIMPLE_REG_P set.
3663         * tree-mudflap.c (mf_build_check_statement_for): Use
3664         force_gimple_operand instead of gimplify_expr.
3665
3666 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
3667
3668         * modulo-sched.c (sms_schedule_by_order): Pass the actual
3669         schedulable rows to compute_split_row.
3670
3671 2009-03-31  Ben Elliston  <bje@au.ibm.com>
3672
3673         PR target/31635
3674         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
3675         OPT_mvrsave.
3676
3677 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3678
3679         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
3680         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
3681         * configure: Regenerate.
3682         * config.in: Regenerate.
3683         * config/rs6000/rs6000.opt (mtls-markers): Add.
3684         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
3685         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
3686         (tls_ld_aix, tls_ld_sysv): Likewise.
3687         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
3688         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
3689
3690 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
3691
3692         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
3693
3694 2009-03-30  Jan Hubicka  <jh@suse.cz>
3695
3696         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
3697         out of RESX.
3698         (tree_remove_unreachable_handlers): Cleanup EH predecestor
3699         detection and label handling.
3700
3701 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3702
3703         * ira-int.h (ira_allocno): Rename left_conflicts_num to
3704         left_conflicts_size.
3705         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
3706         ALLOCNO_LEFT_CONFLICTS_SIZE.
3707
3708         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
3709         remove_allocno_from_bucket_and_push,
3710         allocno_spill_priority_compare, push_allocnos_to_stack,
3711         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3712         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
3713         (setup_allocno_left_conflicts_num): Ditto.  Rename to
3714         setup_allocno_left_conflicts_size.
3715         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
3716         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
3717         setup_allocno_left_conflicts_size instead of
3718         setup_allocno_left_conflicts_num.
3719
3720         * ira-build.c (ira_create_allocno): Use
3721         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
3722         ALLOCNO_LEFT_CONFLICTS_NUM.
3723
3724 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
3725
3726         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
3727         instead of DF_LR_OUT.
3728
3729         * ira-lives.c (process_bb_node_lives): Ditto.
3730
3731         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
3732         instead of DF_LR_{OUT,IN}.
3733
3734         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
3735
3736         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
3737
3738 2009-03-30  Jan Hubicka  <jh@suse.cz>
3739
3740         * except.c (label_to_region_map): Fix thinko.
3741
3742 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
3743
3744         PR middle-end/38237
3745         * tree.h (tree_find_value): New declaration.
3746         * tree.c (tree_find_value): New function.
3747         * varasm.c (assemble_external): Avoid duplicate entries on lists.
3748
3749 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
3750
3751         PR debug/39563
3752         * c-decl.c (struct c_binding): Add locus field.
3753         (bind): Add locus argument, set locus field from it.
3754         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
3755         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
3756         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
3757         implicitly_declare, undeclared_variable, lookup_label,
3758         declare_label, c_make_fname_decl, c_builtin_function,
3759         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
3760         bind callers.
3761
3762 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3763
3764         PR target/38781
3765         * config/i386/i386.c (classify_argument): Check total size of
3766         structure.
3767
3768 2009-03-30  Martin Jambor  <mjambor@suse.cz>
3769
3770         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
3771         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
3772         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
3773         respectively.
3774
3775         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
3776         seen_variable_array_ref while also traversing a union.
3777
3778         * tree-inline.c (optimize_inline_calls): Do not call
3779         cgraph_node_remove_callees.
3780         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
3781         (pass_remove_cgraph_callee_edges): New variable.
3782         * passes.c (init_optimization_passes): Add
3783         pass_remove_cgraph_callee_edges after early inlining and before all
3784         late intraprocedural passes.
3785
3786         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
3787
3788 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3789
3790         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
3791         Fix typos in names.
3792
3793 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3794
3795         * combine.c (simplify_comparison): Use have_insn_for.
3796         * dojump.c (do_jump): Likewise.
3797
3798 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3799
3800         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
3801         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
3802         sparc_compare_op0 like sparc_compare_emitted used to be handled.
3803         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
3804         instead of sparc_compare_emitted.
3805         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
3806         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
3807         instead of sparc_compare_emitted.
3808
3809 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3810
3811         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
3812         enter/exit cfglayout mode.
3813         (pass_partition_block): Require it.
3814         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
3815         (combine_instructions): Track basic blocks instead of labels.
3816         (update_cfg_for_uncondjump): New.
3817         (try_combine): Use it.  Update jumps after rescanning.
3818         (pass_combine): Require PROP_cfglayout.
3819         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
3820
3821 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3822
3823         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
3824         Provide/destroy PROP_cfglayout respectively.
3825         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
3826         * tree-pass.h (PROP_cfglayout): New.
3827
3828 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
3829
3830         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
3831         fold_convert_const_fixed_from_fixed,
3832         fold_convert_const_fixed_from_int,
3833         fold_convert_const_fixed_from_real, fold_negate_const): Do not
3834         set TREE_CONSTANT_OVERFLOW.
3835         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
3836         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
3837
3838 2009-03-30  Ira Rosen  <irar@il.ibm.com>
3839
3840         * tree-vect-loop-manip.c: New file.
3841         * tree-vectorizer.c: Update documentation and included files.
3842         (vect_loop_location): Make extern.
3843         (rename_use_op): Move to tree-vect-loop-manip.c
3844         (rename_variables_in_bb, rename_variables_in_loop,
3845         slpeel_update_phis_for_duplicate_loop,
3846         slpeel_update_phi_nodes_for_guard1,
3847         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
3848         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
3849         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
3850         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
3851         find_loop_location): Likewise.
3852         (new_stmt_vec_info): Move to tree-vect-stmts.c.
3853         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
3854         get_vectype_for_scalar_type, vect_is_simple_use,
3855         supportable_widening_operation, supportable_narrowing_operation):
3856         Likewise.
3857         (bb_in_loop_p): Move to tree-vect-loop.c.
3858         (new_loop_vec_info, destroy_loop_vec_info,
3859         reduction_code_for_scalar_code, report_vect_op,
3860         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
3861         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
3862         (vect_supportable_dr_alignment): Likewise.
3863         * tree-vectorizer.h (tree-data-ref.h): Include.
3864         (vect_loop_location): Declare.
3865         Reorganize function declarations according to the new file structure.
3866         * tree-vect-loop.c: New file.
3867         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
3868         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
3869         * tree-vect-data-refs.c: New file.
3870         * tree-vect-patterns.c (timevar.h): Don't include.
3871         * tree-vect-stmts.c: New file.
3872         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
3873         tree-vect-slp.c, tree-vect-loop.c.
3874         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
3875         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
3876         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
3877         (tree-vect-analyze.o): Remove.
3878         (tree-vect-transform.o): Likewise.
3879         (tree-vect-data-refs.o): Add rule.
3880         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
3881         tree-vect-slp.o): Likewise.
3882         (tree-vect-patterns.o): Remove redundant dependencies.
3883         (tree-vectorizer.o): Likewise.
3884         * tree-vect-slp.c: New file.
3885
3886 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3887
3888         * optc-gen.awk: Warn if an option flag has multiple different
3889         help strings.
3890
3891 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3892
3893         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
3894         -floop-block): Document dependences on PPL, CLooG and Graphite.
3895
3896 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3897
3898         PR rtl-optimization/323
3899         * c-common.c (c_fully_fold, convert_and_check,
3900         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
3901         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
3902         * c-common.def (EXCESS_PRECISION_EXPR): New.
3903         * c-cppbuiltin.c (builtin_define_float_constants): Define
3904         constants with enough digits for long double.
3905         * c-lex.c (interpret_float): Interpret constant with excess
3906         precision where appropriate.
3907         * c-opts.c (c_common_post_options): Set
3908         flag_excess_precision_cmdline.  Give an error for
3909         -fexcess-precision=standard for C++ for processors where the
3910         option is significant.
3911         * c-parser.c (c_parser_conditional_expression): Handle excess
3912         precision in condition.
3913         * c-typeck.c (convert_arguments): Handle arguments with excess
3914         precision.
3915         (build_unary_op): Move excess precision outside operation.
3916         (build_conditional_expr): Likewise.
3917         (build_compound_expr): Likewise.
3918         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
3919         (build_modify_expr): Handle excess precision in RHS.
3920         (convert_for_assignment): Handle excess precision in converted
3921         value.
3922         (digest_init, output_init_element, process_init_element): Handle
3923         excess precision in initializer.
3924         (c_finish_return): Handle excess precision in return value.
3925         (build_binary_op): Handle excess precision in operands and add
3926         excess precision as needed for operation.
3927         * common.opt (-fexcess-precision=): New option.
3928         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
3929         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
3930         For standard excess precision, output explicit conversion to and
3931         truncation from XFmode.
3932         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
3933         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
3934         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
3935         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
3936         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
3937         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
3938         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
3939         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
3940         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
3941         define_splits, sqrt<mode>2): Disable where appropriate for
3942         standard excess precision.
3943         * convert.c (convert_to_real): Do not shorten arithmetic to type
3944         for which excess precision would be used.
3945         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
3946         * doc/invoke.texi (-fexcess-precision=): Document option.
3947         (-mfpmath=): Correct index entry.
3948         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
3949         flag_excess_precision): New.
3950         * langhooks.c (lhd_post_options): Set
3951         flag_excess_precision_cmdline.
3952         * opts.c (common_handle_option): Handle -fexcess-precision=.
3953         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
3954         init_excess_precision): New.
3955         (lang_dependent_init_target): Call init_excess_precision.
3956         * tree.c (excess_precision_type): New.
3957         * tree.h (excess_precision_type): Declare.
3958
3959 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
3960
3961         PR c/35235
3962         * c-typeck.c (build_component_ref): Do not copy qualifiers from
3963         non-lvalue to component.
3964
3965 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
3966
3967         PR preprocessor/34695
3968         * Makefile.in (c-opts.o): Depend on c-tree.h.
3969         * c-common.c: Move down include of diagnostic.h.
3970         (done_lexing, c_cpp_error): New.
3971         * c-common.h (done_lexing): Declare.
3972         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
3973         (parse_in).
3974         * c-opts.c: Include c-tree.h.
3975         (c_common_init_options): Set preprocessor error callback.
3976         (c_common_handle_option): Do not set preprocessor
3977         inhibit_warnings, warnings_are_errors, warn_system_headers,
3978         pedantic_errors or inhibit_warnings flags.
3979         (c_common_post_options): Do not check cpp_errors (parse_in).
3980         (c_common_finish): Do not output dependencies if there were
3981         errors.  Do not check return value of cpp_finish.
3982         * c-ppoutput.c (pp_file_change): Set input_location.
3983         * c-tree.h (c_cpp_error): Declare.
3984         * diagnostic.c (diagnostic_set_info_translated): Also initialize
3985         override_column.
3986         (diagnostic_build_prefix): Check override_column.
3987         * diagnostic.h (diagnostic_info): Add override_column field.
3988         (diagnostic_override_column): Define.
3989
3990 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
3991
3992         * c-common.c (c_expand_expr, c_staticp): Remove.
3993         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
3994         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
3995         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
3996         * c-gimplify.c (gimplify_compound_literal_expr,
3997         optimize_compound_literals_in_ctor): Remove.
3998         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
3999         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
4000         * c-semantics.c (emit_local_var): Remove.
4001
4002         * langhooks-def.h (lhd_expand_expr): Remove.
4003         * langhooks.c (lhd_expand_expr): Remove.
4004         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
4005
4006         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
4007         handling from c-semantics.c; don't call into langhook.
4008         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
4009         * gimplify.c (gimplify_compound_literal_expr,
4010         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
4011         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
4012         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
4013         as was done in c-gimplify.c.
4014         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
4015         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
4016         Move from c-common.h.
4017         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
4018
4019         * tree.c (staticp): Do not call langhook.
4020         * langhooks.c (lhd_staticp): Delete.
4021         * langhooks-def.h (lhd_staticp): Delete prototype.
4022         (LANG_HOOKS_STATICP): Delete.
4023         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
4024
4025         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
4026         instead of DECL_STMTs.
4027
4028 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
4029
4030         PR c/456
4031         PR c/5675
4032         PR c/19976
4033         PR c/29116
4034         PR c/31871
4035         PR c/35198
4036         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
4037         void_type_node.
4038         (fold_call_expr): Return a NOP_EXPR from folding rather than the
4039         contained expression.
4040         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
4041         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
4042         conditional expressions for C.
4043         (decl_constant_value_for_optimization): Move from
4044         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
4045         whether optimizing and that the expression is a VAR_DECL not of
4046         array type instead of doing such checks in the caller.  Do not
4047         check pedantic.  Call gcc_unreachable for C++.
4048         * c-common.def (C_MAYBE_CONST_EXPR): New.
4049         * c-common.h (c_fully_fold, c_save_expr,
4050         decl_constant_value_for_optimization): New prototypes.
4051         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
4052         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
4053         EXPR_INT_CONST_OPERANDS): Define.
4054         * c-convert.c (convert): Strip nops from expression.
4055         * c-decl.c (groktypename): Take extra parameters expr and
4056         expr_const_operands.  Update call to grokdeclarator.
4057         (start_decl): Update call to grokdeclarator.  Add statement for
4058         expressions used in type of decl.
4059         (grokparm): Update call to grokdeclarator.
4060         (push_parm_decl): Update call to grokdeclarator.
4061         (build_compound_literal): Add parameter non_const and build a
4062         C_MAYBE_COSNT_EXPR if applicable.
4063         (grokdeclarator): Take extra parameters expr and
4064         expr_const_operands.  Track expressions used in declaration
4065         specifiers and declarators.  Fold array sizes and track whether
4066         they are constant expressions and whether they are integer
4067         constant expressions.
4068         (parser_xref_tag): Set expr and expr_const_operands fields in
4069         return value.
4070         (grokfield): Update call to grokdeclarator.
4071         (start_function): Update call to grokdeclarator.
4072         (build_null_declspecs): Set expr and expr_const_operands fields in
4073         return value.
4074         (declspecs_add_type): Handle expressions in typeof specifiers.
4075         * c-parser.c (c_parser_declspecs): Set expr and
4076         expr_const_operands fields for declaration specifiers.
4077         (c_parser_enum_specifier): Likewise.
4078         (c_parser_struct_or_union_specifier): Likewise.
4079         (c_parser_typeof_specifier): Likewise.  Update call to
4080         groktypename.  Fold expression as needed.  Return expressions with
4081         type instead of adding statements.
4082         (c_parser_attributes): Update calls to c_parser_expr_list.
4083         (c_parser_statement_after_labels): Fold expression before passing
4084         to objc_build_throw_stmt.
4085         (c_parser_condition): Fold expression.
4086         (c_parser_asm_operands): Fold expression.
4087         (c_parser_conditional_expression): Use c_save_expr.  Update call
4088         to build_conditional_expr.
4089         (c_parser_alignof_expression): Update call to groktypename.
4090         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
4091         original_code.  Fold expression argument of va_arg.  Create
4092         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
4093         argument to va_arg.  Update calls to groktypename.  Fold array
4094         index for offsetof.  Verify that first argument to
4095         __builtin_choose_expr has integer type.
4096         (c_parser_postfix_expression_after_paren_type): Update calls to
4097         groktypename and build_compound_literal.  Handle expressions with
4098         side effects in type name.
4099         (c_parser_postfix_expression_after_primary): Update call to
4100         c_parser_expr_list.  Set original_code for calls to
4101         __builtin_constant_p.
4102         (c_parser_expr_list): Take extra parameter fold_p.  Fold
4103         expressions if requested.
4104         (c_parser_objc_type_name): Update call to groktypename.
4105         (c_parser_objc_synchronized_statement): Fold expression.
4106         (c_parser_objc_receiver): Fold expression.
4107         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
4108         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
4109         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
4110         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
4111         (struct c_typespec): Add elements expr and expr_const_operands.
4112         (struct c_declspecs): Add elements expr and expr_const_operands.
4113         (groktypename, build_conditional_expr, build_compound_literal):
4114         Update prototypes.
4115         (in_late_binary_op): Declare.
4116         * c-typeck.c (note_integer_operands): New function.
4117         (in_late_binary_op): New variable.
4118         (decl_constant_value_for_broken_optimization): Move to c-common.c
4119         and rename to decl_constant_value_for_optimization.
4120         (default_function_array_conversion): Do not strip nops.
4121         (default_conversion): Do not call
4122         decl_constant_value_for_broken_optimization.
4123         (build_array_ref): Do not fold result.
4124         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
4125         result when operand is a VLA.
4126         (c_expr_sizeof_type): Update call to groktypename.  Handle
4127         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
4128         result when operand names a VLA type.
4129         (build_function_call): Update call to build_compound_literal.
4130         Only fold result for calls to __builtin_* functions.  Strip
4131         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
4132         the function designator.
4133         (convert_arguments): Fold arguments.  Update call to
4134         convert_for_assignment.
4135         (build_unary_op): Handle increment and decrement of
4136         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
4137         decrement earlier.  Fold operand of increment and decrement.
4138         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
4139         built for integer operand.  Wrap returns that are INTEGER_CSTs
4140         without being integer constant expressions or that have integer
4141         constant operands without being INTEGER_CSTs.
4142         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
4143         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
4144         result is an integer constant expression or can be used in
4145         unevaluated parts of one and avoid folding and wrap as
4146         appropriate.  Fold operands before possibly doing -Wsign-compare
4147         warnings.
4148         (build_compound_expr): Wrap result for C99 if operands can be used
4149         in integer constant expressions.
4150         (build_c_cast): Update call to digest_init.  Do not ignore
4151         overflow from casting floating-point constants to integers.  Wrap
4152         results that could be confused with integer constant expressions,
4153         null pointer constants or floating-point constants.
4154         (c_cast_expr): Update call to groktypename.  Handle expressions
4155         included in type name.
4156         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
4157         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
4158         Update calls to convert_for_assignment.
4159         (convert_for_assignment): Take new parameter
4160         null_pointer_constant.  Do not strip nops or call
4161         decl_constant_value_for_broken_optimization.  Set
4162         in_late_binary_op for conversions to boolean.
4163         (store_init_value): Update call to digest_init.
4164         (digest_init): Take new parameter null_pointer_constant.  Do not
4165         call decl_constant_value_for_broken_optimization.  pedwarn for
4166         initializers not constant expressions.  Update calls to
4167         convert_for_assignment.
4168         (constructor_nonconst): New.
4169         (struct constructor_stack): Add nonconst element.
4170         (really_start_incremental_init, push_init_level, pop_init_level):
4171         Handle constructor_nonconst and nonconst element.
4172         (set_init_index): Call constant_expression_warning for array
4173         designators.
4174         (output_init_element): Fold value.  Set constructor_nonconst as
4175         applicable.  pedwarn for initializers not constant expressions.
4176         Update call to digest_init.  Call constant_expression_warning
4177         where constant initializers are required.
4178         (process_init_element): Use c_save_expr.
4179         (c_finish_goto_ptr): Fold expression.
4180         (c_finish_return): Fold return value.  Update call to
4181         convert_for_assignment.
4182         (c_start_case): Fold switch expression.
4183         (c_process_expr_stmt): Fold expression.
4184         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
4185         ensure statement expression is not evaluated in constant expression.
4186         (build_binary_op): Track whether results are integer constant
4187         expressions or may occur in such, disable folding and wrap results
4188         as applicable.  Fold operands for -Wsign-compare warnings unless
4189         in_late_binary_op.
4190         (c_objc_common_truthvalue_conversion): Handle results folded to
4191         integer constants that are not integer constant expressions.
4192         * doc/extend.texi: Document when typeof operands are evaluated,
4193         that condition of __builtin_choose_expr is an integer constant
4194         expression, and more about use of __builtin_constant_p in
4195         initializers.
4196
4197 2009-03-29  Richard Guenther  <rguenther@suse.de>
4198
4199         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
4200         propagate addresses of array references.
4201
4202 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
4203
4204         * regmove.c (perhaps_ends_bb_p): Remove.
4205         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
4206         from INSN and check that the main loop stays within that basic block.
4207         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
4208         (regmove_forward_pass): Split out from regmove_optimize.  Use
4209         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
4210         (regmove_backward_pass): Split out from regmove_optimize.  Use
4211         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
4212         (regmove_optimize): Simplify.
4213
4214 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
4215
4216         PR target/39545
4217         * config/i386/i386.c (classify_argument): Ignore flexible array
4218         member in struct and warn ABI change.
4219
4220 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
4221
4222         * config/i386/i386-protos.h (ix86_agi_dependent): New.
4223
4224         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
4225         (ix86_adjust_cost): Updated.
4226
4227 2009-03-29  Jan Hubicka  <jh@suse.cz>
4228
4229         PR middle-end/28850
4230         * tree-pass.h (pass_cleanup_eh): New function.
4231         (remove_unreachable_regions): Break code handling RTL
4232         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
4233         that can not be reached by runtime.
4234         (can_be_reached_by_runtime): New function.
4235         (label_to_region_map): New function.
4236         (num_eh_regions): New function.
4237         (rtl_remove_unreachable_regions): New function.
4238         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
4239         (remove_eh_region): New function.
4240         * except.h: Include sbitmap and vecprim.
4241         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
4242         num_eh_regions): Declare.
4243         * passes.c (init_optimization_passes): Schedule cleanup_eh.
4244         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
4245         * tree-eh.c (tree_remove_unreachable_handlers): New function.
4246         (tree_empty_eh_handler_p): New function.
4247         (cleanup_empty_eh): New function.
4248         (cleanup_eh): New function.
4249         (pass_cleanup_eh): New function.
4250
4251 2009-03-29  Jan Hubicka  <jh@suse.cz>
4252
4253         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
4254         for removed regions.
4255
4256 2009-03-29  Jan Hubicka  <jh@suse.cz>
4257
4258         * except.c (dump_eh_tree): Dump all datastructures.
4259
4260 2009-03-29  Jan Hubicka  <jh@suse.cz>
4261
4262         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
4263         (duplicate_eh_regions_1): Likewise.
4264         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
4265         vector; call EH verification.
4266         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4267         Be ready for region being removed.
4268
4269 2009-03-29  Jan Hubicka  <jh@suse.cz>
4270
4271         * bitmap.c (bitmap_last_set_bit): New function.
4272         * bitmap.h (bitmap_last_set_bit): Declare.
4273
4274 2009-03-29  David Ayers  <ayers@fsfe.org>
4275
4276         PR objc/27377
4277         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
4278         by calling objc_compare_types and surpress warnings about
4279         incompatible C pointers that are compatible ObjC pointers.
4280
4281 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
4282
4283         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
4284         call initialize_inline_failed.
4285         (initialize_inline_failed): Move it from here ...
4286         * cgraph.c (initialize_inline_failed): ... to here.
4287         (cgraph_create_edge): Call initialize_inline_failed rather than
4288         setting inline_failed directly.
4289
4290 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4291
4292         PR target/32542
4293         * sysv4.opt (msdata): Improve comment.
4294         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
4295         * sysv4.h (SVR4_ASM_SPEC): Likewise.
4296
4297 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4298
4299         PR target/30451
4300         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
4301         load and store attributes.
4302
4303 2009-03-29  Ben Elliston  <bje@au.ibm.com>
4304
4305         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
4306         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
4307         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
4308         * doc/extend.texi (X86 Built-in Functions): Add index entries for
4309         __builtin_infq and __builtin_huge_valq.
4310
4311 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
4312
4313         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
4314         atmega8m1 devices.
4315         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4316         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
4317
4318 2009-03-28  Xinliang David Li  <davidxl@google.com>
4319
4320         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
4321         (do_dbg_cnt): New function.
4322
4323 2009-03-28  Jan Hubicka  <jh@suse.cz>
4324
4325         Merge from pretty-ipa:
4326
4327         2009-03-27  Jan Hubicka  <jh@suse.cz>
4328
4329         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4330         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
4331         * passes.c (function_called_by_processed_nodes_p): New.
4332         * ipa-pure-const.c (check_call): Fix handling of operands.
4333         (analyze_function): Dump debug output for skipped bodies.
4334         (local_pure_const): Use function_called_by_processed_nodes_p.
4335         * dwarf2out.c (reference_to_unused): Use output.
4336         * passes.c (do_per_function_toporder): Likewise.
4337
4338         2008-11-12  Jan Hubicka  <jh@suse.cz>
4339
4340         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
4341         * ipa-pure-const.c (funct_state_d): Add can throw field; make
4342         state_set_in_source enum
4343         (check_decl): Ignore memory tags; do not set fake looping flags;
4344         dump diagnostics.
4345         (check_operand, check_tree, check_rhs_var, check_lhs_var,
4346         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
4347         (check_call, analyze_function): Rewrite.
4348         (check_stmt): New.
4349         (add_new_function): Update call of analyze_function.
4350         (generate_summary): Add call of analyze_function.
4351         (propagate): Propagate can_throw; handle state_set_in_source correctly.
4352         (local_pure_const): New function.
4353         (pass_local_pure_const): New pass.
4354         * ipa-inline.c (inline_transform): Set after_inlining.
4355         * tree-eh.c (stmt_can_throw_external): New.
4356         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
4357         work with aliasing built.
4358         * tree-flow.h (stmt_can_throw_external): New.
4359         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
4360         and local pure/const pass in early and late optimization queue.
4361
4362 2009-03-28  Martin Jambor  <mjambor@suse.cz>
4363
4364         * fold-const.c (get_pointer_modulus_and_residue): New parameter
4365         allow_func_align.
4366         (fold_binary): Allow function decl aligment consideration is the
4367         second argument is integer constant one.
4368         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
4369         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
4370         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
4371
4372 2009-03-28  Jan Hubicka  <jh@suse.cz>
4373
4374         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
4375         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
4376         * function.h (rtl_data): Add nothrow flag.
4377         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
4378         set DECL_NOTHROW for AVAILABLE functions.
4379
4380 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
4381
4382         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
4383         following vector keyword has expansion starting with pixel or bool
4384         keyword, expand vector to __vector and pixel or bool to __pixel or
4385         __bool.
4386
4387         PR c++/39554
4388         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
4389         warn_if_disallowed_function_p): Removed.
4390         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
4391         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
4392         warning_if_disallowed_function_p.
4393         * flags.h (warn_if_disallowed_function_p,
4394         warn_disallowed_functions): Removed.
4395         * common.opt (Wdisallowed-function-list=): Removed.
4396         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
4397
4398 2009-03-28  Richard Guenther  <rguenther@suse.de>
4399
4400         PR tree-optimization/38723
4401         * tree-ssa-pre.c (compute_avail): Add all default definitions to
4402         the entry block.
4403
4404 2009-03-28  Jan Hubicka  <jh@suse.cz>
4405
4406         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
4407         test introduced by my previous patch.
4408
4409 2009-03-28  Richard Guenther  <rguenther@suse.de>
4410
4411         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
4412         the PHIs value undefined.
4413
4414 2009-03-28  Jan Hubicka  <jh@suse.cz>
4415
4416         * tree-pass.h (pass_fixup_cfg): New pass.
4417         * ipa-inline.c (inline_transform): Set
4418         always_inline_functions_inlined/after_inlining.
4419         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
4420         (pass_fixup_cfg): New pass.
4421         * passes.c (init_optimization_passes): Add fixup_cfg.
4422
4423 2009-03-28  Richard Guenther  <rguenther@suse.de>
4424
4425         PR tree-optimization/38458
4426         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
4427         argument use the arguments copy-of value.
4428
4429 2009-03-28  Richard Guenther  <rguenther@suse.de>
4430
4431         PR tree-optimization/38180
4432         * tree-ssa-ccp.c (get_default_value): Simplify.
4433         (likely_value): Likewise.
4434         (surely_varying_stmt_p): Properly handle VOP case.
4435         (ccp_initialize): Likewise.
4436         (ccp_fold): Handle propagating through *&.
4437         (fold_const_aggregate_ref): Also handle decls.
4438
4439 2009-03-28  Jan Hubicka  <jh@suse.cz>
4440
4441         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
4442         * cgraph.h (cgraph_node): Likewise.
4443         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
4444         (cgraph_reset_node): Use process flag.
4445         (cgraph_mark_functions_to_output): Likewise.
4446         (cgraph_expand_function): Likewise.
4447         (cgraph_expand_all_functions): Likewise.
4448         (cgraph_output_in_order): Likewise.
4449         * dwarf2out.c (reference_to_unused): Likewise.
4450         * passes.c do_per_function_toporder): Likewise.
4451
4452 2009-03-28  Jan Hubicka  <jh@suse.cz>
4453
4454         Bring from lto-branch:
4455
4456         2008-09-03  Doug Kwan  <dougkwan@google.com>
4457
4458         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
4459         enums instead of reason strings.
4460         * cgraph.c (cgraph_create_edge): Same.
4461         (cgraph_inline_failed_string): New function.
4462         * cgraph.h (cgraph_inline_failed_t): New enum type.
4463         (cgraph_inline_failed_string): New prototype.
4464         (struct cgraph_edge): Change type of INLINED_FAILED from constant
4465         char pointer to cgraph_inline_failed_t.
4466         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
4467         (cgraph_default_inline_p): Ditto.
4468         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
4469         to cgraph_inline_failed_t pointer.
4470         * cif-code.def: New file.
4471         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
4472         reason string.
4473         (cgraph_check_inline_limits): Change type of REASON to pointer to
4474         cgraph_inline_failed_t.  Replace reason strings with enums.
4475         (cgraph_default_inline_p): Ditto.
4476         (cgraph_recursive_inlining_p): Ditto.
4477         (update_caller_keys): Change type of FAILED_REASON to
4478         cgraph_inline_failed_t.
4479         (cgraph_set_inline_failed): Change type of REASON to pointer to
4480         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
4481         convert enums to strings for text output.
4482         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
4483         to be of type cgraph_inline_failed_t.  Replace reason strings with
4484         enums.  Call cgraph_inline_failed_string to covert enums
4485         to strings for text output.
4486         (cgraph_decide_inlining): Replace reason strings with enums.
4487         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
4488         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
4489         for text output.
4490         * tree-inline.c (expand_call_inline): Change type of REASON
4491         to cgraph_inline_failed_t.  Replace reason strings with enums.
4492         Call cgraph_inline_failed_string for text output.
4493         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
4494         (cgraph.o): Ditto.
4495
4496 2009-03-28  Jan Hubicka  <jh@suse.cz>
4497
4498         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
4499         cgraph_clone_node): Remove master clone handling.
4500         (cgraph_is_master_clone, cgraph_master_clone): Remove.
4501         * cgraph.h (master_clone): Remove.
4502         (cgraph_is_master_clone, cgraph_master_clone): Remove.
4503         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
4504         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
4505
4506 2009-03-28  Jan Hubicka  <jh@suse.cz>
4507
4508         * cgraph.c (cgraph_function_body_availability): Functions declared
4509         inline are always safe to assume that it is not going to be replaced.
4510
4511 2009-03-28  Richard Guenther  <rguenther@suse.de>
4512
4513         PR tree-optimization/38513
4514         * tree-ssa-pre.c (eliminate): Remove redundant stores.
4515         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4516         EXC_PTR_EXPR and FILTER_EXPR.
4517         (get_ref_from_reference_ops): Likewise.
4518
4519 2009-03-28  Richard Guenther  <rguenther@suse.de>
4520
4521         PR tree-optimization/38968
4522         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4523         Use FLOOR_MOD_EXPR to compute misalignment.
4524
4525 2009-03-28  Richard Guenther  <rguenther@suse.de>
4526
4527         PR tree-optimization/37795
4528         * tree.h (combine_comparisons): Declare.
4529         * fold-const.c (combine_comparisons): Export.
4530         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
4531         comparisons.
4532         (ifcombine_iforif): Use combine_comparisons.
4533
4534 2009-03-28  Jan Hubicka  <jh@suse.cz>
4535
4536         * tree-eh.c (inlinable_call_p): New function.
4537         (make_eh_edges): Use it.
4538         (verify_eh_edges): Use it.
4539         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
4540         * except.c (reachable_next_level): Add inlinable_function argument
4541         (sjlj_find_directly_reachable_regions): Update.
4542         (add_reachable_handler): Do not set saw_any_handlers.
4543         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
4544         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
4545         Add new inlinable call parameter.
4546         (can_throw_internal, can_throw_external): Update.
4547         * except.h (can_throw_internal_1, can_throw_external_1,
4548         foreach_reachable_handler): Update declaration.
4549
4550 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
4551
4552         * config/arm/t-arm-coff, config/h8300/coff.h,
4553         config/i386/i386-aout.h, config/i386/i386-coff.h,
4554         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
4555         config/pdp11/2bsd.h, config/rs6000/aix41.h,
4556         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
4557         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
4558         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
4559         sys-types.h: Remove.
4560         * Makefile.in: Remove protoize and fixproto support and references
4561         in comments.
4562         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
4563         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
4564         Remove.
4565         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
4566         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
4567         unprotoize$(exeext).
4568         (rest.encap): Don't depend on $(STMP_FIXPROTO)
4569         (.PHONY): Don't depend on proto.
4570         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
4571         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
4572         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
4573         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
4574         build/gen-protos.o, build/scan.o, xsys-protos.h,
4575         build/fix-header$(build_exeext), build/fix-header.o,
4576         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
4577         stmp-install-fixproto): Remove.
4578         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
4579         SYSCALLS.c or fixproto files.
4580         (install-common): Don't install protoize.
4581         (install-headers-tar, install-headers-cpio, install-headers-cp):
4582         Don't depend on $(STMP_FIXPROTO).
4583         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
4584         install fixproto files or write out fixproto settings.
4585         (uninstall): Don't uninstall protoize.
4586         * config.gcc (use_fixproto): Remove.
4587         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
4588         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
4589         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
4590         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
4591         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
4592         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
4593         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
4594         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
4595         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
4596         * config/t-vxworks (STMP_FIXPROTO): Remove.
4597         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
4598         STMP_FIXPROTO): Remove.
4599         * config.in, configure: Regenerate.
4600         * crtstuff.c (gid_t, uid_t): Don't undefine.
4601         * doc/install.texi: Change m68k-coff to m68k-elf in example.
4602         (arm-*-coff, arm-*-aout: Remove target entries.
4603         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
4604         Remove mention of AIX 4.1.
4605         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
4606         * doc/invoke.texi (Running Protoize): Remove.
4607         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
4608         (Protoize Caveats): Remove.
4609         * tsystem.h: Update comments on headers assumed to exist.
4610
4611 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
4612
4613         * genautomata.c: Add a new year to the copyright.  Add a new
4614         reference.
4615         (struct insn_reserv_decl): Add comments for member bypass_list.
4616         (find_bypass): Remove.
4617         (insert_bypass): New.
4618         (process_decls): Use insert_bypass.
4619         (output_internal_insn_latency_func): Output all bypasses with the
4620         same input insn in one switch case.
4621
4622         * rtl.def (define_bypass): Describe bypass choice.
4623         * doc/md.texi (define_bypass): Ditto.
4624
4625 2009-03-27  Richard Guenther  <rguenther@suse.de>
4626
4627         * gimplify.c (mark_addressable): Export.
4628         * tree-flow.h (mark_addressable): Declare.
4629         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
4630         * tree-ssa.c (verify_phi_args): Verify that address taken
4631         variables have TREE_ADDRESSABLE set.
4632
4633 2009-03-27  Richard Guenther  <rguenther@suse.de>
4634
4635         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
4636         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
4637         Do not mark decls TREE_ADDRESSABLE.
4638         (build_fold_addr_expr): Adjust.
4639         (fold_addr_expr): Remove.
4640         (fold_unary): Use build_fold_addr_expr.
4641         (fold_comparison): Likewise.
4642         (split_address_to_core_and_offset): Likewise.
4643         * coverage.c (tree_coverage_counter_addr): Mark the array decl
4644         TREE_ADDRESSABLE.
4645         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
4646         (gimplify_modify_expr_to_memcpy): Mark source and destination
4647         addressable.
4648         * omp-low.c (create_omp_child_function): Mark the object decl
4649         TREE_ADDRESSABLE.
4650         (lower_rec_input_clauses): Mark the var we take the address of
4651         TREE_ADDRESSABLE.
4652         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
4653
4654 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4655
4656         PR middle-end/39315
4657         * cfgexpand.c (expand_one_stack_var_at): Change alignment
4658         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
4659
4660 2009-03-27  Richard Guenther  <rguenther@suse.de>
4661
4662         PR tree-optimization/39120
4663         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
4664         constraints.
4665         (handle_lhs_call): Process return constraints.  Add escape
4666         constraints if necessary.
4667         (handle_const_call): Fill out return constraints.  Make nested
4668         case more precise.  Avoid consttmp if possible.
4669         (handle_pure_call): Fill out return constraints.  Avoid
4670         callused if possible.
4671         (find_func_aliases): Simplify call handling.
4672
4673 2009-03-27  Richard Guenther  <rguenther@suse.de>
4674
4675         PR tree-optimization/39120
4676         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
4677         as a representative.
4678         (solve_graph): Do propagate CALLUSED.
4679         (handle_pure_call): Use a scalar constraint from CALLUSED for
4680         the return value.
4681         (find_what_p_points_to): CALLUSED shall not appear in poins-to
4682         solutions.
4683
4684 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4685
4686         PR c/39323
4687         * c-common.c (handle_aligned_attribute): Properly check alignment
4688         overflow.  Use (1U << i) instead of (1 << i).
4689
4690         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
4691
4692         * expr.h (get_mem_align_offset): Updated.
4693
4694         * tree.h (tree_decl_common): Change align to "unsigned int" and
4695         move it before pointer_alias_set.
4696
4697 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4698             Jakub Jelinek  <jakub@redhat.com>
4699
4700         PR target/38034
4701         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
4702         gr_register_operand with gr_reg_or_0_operand.
4703         (cmpxchg_rel_di): Likewise.
4704         (sync_lock_test_and_set<mode>): Likewise.
4705
4706 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4707
4708         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
4709         (true_regnum): Likewise.
4710
4711         * rtlanal.c (subreg_info): Moved to ...
4712         * rtl.h (subreg_info): Here.  New.
4713         (subreg_get_info): New.
4714
4715         * rtlanal.c (subreg_get_info): Make it extern.
4716
4717 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4718
4719         PR target/39472
4720         * config/i386/i386.c (ix86_abi): New.
4721         (override_options): Handle -mabi=.
4722         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
4723         (ix86_call_abi_override): Likewise.
4724         (init_cumulative_args): Likewise.
4725         (function_arg_advance): Likewise.
4726         (function_arg_64): Likewise.
4727         (function_arg): Likewise.
4728         (ix86_pass_by_reference): Likewise.
4729         (ix86_function_value_regno_p): Likewise.
4730         (ix86_build_builtin_va_list_abi): Likewise.
4731         (setup_incoming_varargs_64): Likewise.
4732         (is_va_list_char_pointer): Likewise.
4733         (ix86_init_machine_status): Likewise.
4734         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
4735         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
4736         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
4737         (ix86_function_abi): Make it static and return enum calling_abi.
4738         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
4739         with ix86_abi.
4740         (ix86_fn_abi_va_list): Updated.
4741
4742         * config/i386/i386.h (ix86_abi): New.
4743         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
4744         (CONDITIONAL_REGISTER_USAGE): Likewise.
4745         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
4746         (machine_function): Likewise.
4747
4748         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
4749         with ix86_abi.
4750         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
4751         (STACK_BOUNDARY): Likewise.
4752         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
4753
4754         * config/i386/i386.opt (mabi=): New.
4755
4756         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
4757         return enum calling_abi.
4758         (ix86_function_type_abi): Likewise.
4759         (ix86_function_abi): Removed.
4760
4761         * doc/invoke.texi: Document -mabi= option for x86.
4762
4763 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4764
4765         * builtins.c (real_dconstp): Delete.
4766         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
4767
4768 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
4769             Jakub Jelinek  <jakub@redhat.com>
4770
4771         PR debug/37959
4772         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
4773         (gen_subprogram_die): When a function is explicit, generate the
4774         DW_AT_explicit attribute.
4775         * langhooks.h (struct lang_hooks_for_decls): Add
4776         function_decl_explicit_p langhook.
4777         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
4778         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
4779
4780 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
4781
4782         * builtins.c (fold_builtin_memory_op): Optimize memmove
4783         into memcpy if we can prove source and destination don't overlap.
4784
4785         * tree-inline.c: Include gt-tree-inline.h.
4786         (clone_fn_id_num): New variable.
4787         (clone_function_name): New function.
4788         (tree_function_versioning): Use it.
4789         * Makefile.in (GTFILES): Add tree-inline.c.
4790
4791 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
4792
4793         * BASE-VER: Change to 4.5.0.
4794
4795 2009-03-27  Xinliang David Li  <davidxl@google.com>
4796
4797         PR tree-optimization/39557
4798         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
4799
4800 2009-03-27  Xinliang David Li  <davidxl@google.com>
4801
4802         PR tree-optimization/39548
4803         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
4804         candidate check.
4805
4806 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4807
4808         * c-common.c (pointer_int_sum): Use %wd on return from
4809         tree_low_cst.
4810
4811 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4812
4813         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
4814         on return from tree_low_cst.
4815
4816 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4817
4818         PR c++/36799
4819         * ginclude/stdarg.h (va_copy): Define also for
4820         __GXX_EXPERIMENTAL_CXX0X__.
4821
4822 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4823
4824         PR c++/35652
4825         * builtins.h (c_strlen): Do not warn here.
4826         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
4827         * c-common.c (pointer_int_sum): Take an explicit location.
4828         Warn about offsets out of bounds.
4829         * c-common.h (pointer_int_sum): Adjust declaration.
4830
4831 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4832
4833         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
4834         markup glitch.
4835
4836 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
4837
4838         PR c++/39554
4839         * opts.c (warn_if_disallowed_function_p): Don't assume
4840         get_callee_fndecl must return non-NULL.
4841
4842 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
4843
4844         PR rtl-optimization/39522
4845         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
4846         when reg_reloaded_valid is set.
4847
4848 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4849
4850         * config/spu/divv2df3.c: New file.
4851         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
4852         (DPBIT_FUNCS): Filter out _div_df.
4853
4854 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
4855
4856         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4857         a jump insn, count that jump in the distance to the loop start.
4858
4859 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
4860
4861         PR target/39523
4862         * config/sh/sh.c (calc_live_regs): Fix condition for global
4863         registers except PIC_OFFSET_TABLE_REGNUM.
4864
4865 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
4866
4867         PR/39518
4868         * doc/invoke.texi (-mconsole): New.
4869         (-mcygwin): New.
4870         (-mno-cygwin): New.
4871         (-mdll): New.
4872         (-mnop-fun-dllimport): New.
4873         (-mthread): New.
4874         (-mwin32): New.
4875         (-mwindows): New.
4876         (sub section "i386 and x86-64 Windows Options"): New.
4877
4878 2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>
4879
4880         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
4881         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
4882
4883 2009-03-25  Richard Guenther  <rguenther@suse.de>
4884
4885         PR middle-end/39497
4886         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
4887         of -Wno-error.
4888
4889 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
4890
4891         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
4892         neither of haifa/selective schedulers are working.
4893
4894 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4895
4896         * doc/invoke.texi (Debugging Options): Fix description of
4897         -fno-merge-debug-strings.
4898
4899 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
4900
4901         * config/cris/libgcc.ver: New version-script.
4902         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
4903
4904         * configure.ac <GAS features, nop mnemonic>: Add pattern
4905         crisv32-*-* for "nop".
4906         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
4907         * configure: Regenerate.
4908
4909 2009-03-24  Ira Rosen  <irar@il.ibm.com>
4910
4911         PR tree-optimization/39529
4912         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4913         mark_sym_for_renaming for the tag copied to the new vector
4914         pointer.
4915
4916 2009-03-24  Arthur Loiret  <aloiret@debian.org>
4917
4918         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
4919         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
4920         EXTRA_SPEC_FUNCTIONS.
4921         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
4922         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
4923         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
4924         -march and -mtune options.
4925
4926 2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>
4927
4928         * config/m68k/t-rtems: Add m5329 multilib.
4929
4930 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
4931             Jakub Jelinek  <jakub@redhat.com>
4932
4933         PR debug/39524
4934         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
4935         nodes.
4936
4937 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4938
4939         PR c/39495
4940         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
4941         instead of c_parser_expression_conv, if original_code isn't one of the
4942         4 allowed comparison codes, fail.
4943
4944 2009-03-23  Richard Guenther  <rguenther@suse.de>
4945
4946         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
4947         * tree.h (struct tree_type): Likewise.
4948         * reload.h (struct insn_chain): Likewise.
4949         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
4950         * function.h (struct function): Likewise.
4951         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
4952
4953 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
4954
4955         PR tree-optimization/39516
4956         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
4957
4958 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
4959
4960         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
4961         should be set true if BITS_PER_WORD of target is bigger than 32
4962
4963 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
4964
4965         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
4966         Translate -B-options to -rpath-link.  Correct existing
4967         rpath-link and conditionalize on !nostdlib.
4968
4969 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4970
4971         * doc/extend.texi (Function Attributes, Variable Attributes):
4972         Fix typos.
4973         * doc/invoke.texi (Debugging Options, Optimize Options)
4974         (i386 and x86-64 Options, MCore Options): Likewise.
4975
4976 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
4977
4978         PR debug/37890
4979         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
4980         it for block local namespace aliases.
4981         (gen_decl_die): Pass context_die to gen_namespace_die.
4982
4983 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
4984
4985         PR c/39495
4986         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
4987         minimum or maximum value.
4988
4989 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
4990
4991         * reginfo.c (globalize_reg): Recompute derived reg sets.
4992
4993 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
4994
4995         PR target/39063
4996         * libgcc2.c (mprotect): Do not use signed arguments for
4997         VirtualProtect, use DWORD arguments.  Also fix the 'may
4998         be used uninitialized' warning for the np variable.
4999
5000 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
5001
5002         PR target/39496
5003         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
5004         functions using regparm calling conventions when not optimizing.
5005         (ix86_function_sseregparm): Similarly for sseregparm calling
5006         conventions.
5007
5008 2009-03-19  Li Feng  <nemokingdom@gmail.com>
5009
5010         PR middle-end/39500
5011         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
5012         dependence if the first conflict is after niter iterations.
5013
5014 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
5015
5016         PR middle-end/38609
5017         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
5018         functions with dynamic stack-pointer adjustments.
5019
5020 2009-03-19  Ben Elliston  <bje@au.ibm.com>
5021
5022         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
5023         option; change to -msdata=data.
5024
5025 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5026
5027         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
5028         and -fopenmp.
5029
5030 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
5031
5032         PR target/35180
5033         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
5034
5035 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
5036
5037         * doc/invoke.texi (Code Gen Options): Expand discussion of
5038         -fno-common.
5039
5040 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
5041
5042         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
5043         * matrix-reorg.c (struct matrix_info): Likewise.
5044         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
5045         * rtl.h (struct mem_attrs): Likewise.
5046         * df.h (struct df): Likewise.
5047         * tree-data-ref.h (struct data_dependence_relation): Likewise.
5048         * ira-int.h (struct ira_allocno): Likewise.
5049         * df-scan.c (struct df_collection_rec): Likewise.
5050         * ira.c (struct equivalence): Likewise.
5051         * function.c (struct temp_slot): Likewise.
5052         * cfgloop.h (struct loop): Likewise.
5053
5054         PR debug/39485
5055         * function.c (use_register_for_decl): When not optimizing, disregard
5056         register keyword for variables with types containing methods.
5057
5058 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
5059
5060         PR middle-end/39447
5061         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
5062         (is_simple_operand): Call contains_component_ref_p before calling data
5063         reference analysis that would fail on COMPONENT_REFs.
5064
5065         * tree-vrp.c (search_for_addr_array): Fix formatting.
5066
5067 2009-03-18  Richard Guenther  <rguenther@suse.de>
5068
5069         * tree-vect-transform.c (vect_loop_versioning): Fold the
5070         generated comparisons.
5071         * tree-vectorizer.c (set_prologue_iterations): Likewise.
5072         (slpeel_tree_peel_loop_to_edge): Likewise.
5073
5074 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5075
5076         PR middle-end/37805
5077         * opts.c (print_specific_help): In addition to `undocumented',
5078         accept `separate' and `joined' flags if passed alone.  Describe
5079         output by the first matched one of those.
5080         (common_handle_option): Skip over empty strings.
5081         * gcc.c (display_help): Fix help string for `--help='.
5082         * doc/invoke.texi (Option Summary, Overall Options): With
5083         `--help=', classes and qualifiers can both be repeated, but
5084         only the latter can be negated.  One should not pass only
5085         negated qualifiers.  Fix markup and examples.
5086
5087         Revert
5088         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
5089         PR middle-end/37805
5090         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
5091         and -fhelp=separate.
5092
5093 2009-03-17  Jing Yu  <jingyu@google.com>
5094
5095         PR middle-end/39378
5096         * function.h (struct rtl_data): Move is_thunk from here...
5097         (struct function): ...to here.
5098         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
5099         * varasm.c (assemble_start_function): Change is_thunk from crtl to
5100         cfun.
5101         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
5102         cfun.
5103         (alpha_does_function_need_gp, alpha_start_function): Likewise.
5104         (alpha_output_function_end_prologue): Likewise.
5105         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
5106         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
5107         (rs6000_output_function_epilogue): Likewise.
5108         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
5109
5110 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
5111
5112         PR target/39482
5113         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
5114         from different units in a single alternative.
5115         (*truncdfsf_i387): Ditto.
5116         (*truncxfsf2_mixed): Ditto.
5117         (*truncxfdf2_mixed): Ditto.
5118
5119 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
5120
5121         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
5122         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
5123
5124         PR debug/39474
5125         * tree-ssa-live.c (remove_unused_locals): Don't remove local
5126         unused non-artificial variables when not optimizing.
5127
5128         PR debug/39471
5129         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
5130         DW_TAG_imported_module even if decl is IMPORTED_DECL with
5131         NAMESPACE_DECL in its DECL_INITIAL.
5132
5133         PR middle-end/39443
5134         * optabs.c (set_user_assembler_libfunc): New function.
5135         * expr.h (set_user_assembler_libfunc): New prototype.
5136         * c-common.c: Include libfuncs.h.
5137         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
5138         for memcmp, memset, memcpy, memmove and abort.
5139         * Makefile.in (c-common.o): Depend on libfuncs.h.
5140
5141         PR debug/39412
5142         * dwarf2out.c (gen_inlined_enumeration_type_die,
5143         gen_inlined_structure_type_die, gen_inlined_union_type_die,
5144         gen_tagged_type_instantiation_die): Removed.
5145         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
5146         do nothing.
5147
5148 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
5149
5150         PR testsuite/38526
5151         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
5152         its use.
5153         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
5154         (check-parallel-%): Ditto.
5155         (check-consistency): Ditto.
5156
5157 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
5158
5159         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
5160         local variable rhs by NULL_TREE.
5161
5162 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5163
5164         PR target/39477
5165         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
5166
5167 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5168
5169         PR target/39476
5170         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
5171
5172 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
5173
5174         PR target/39473
5175         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
5176         for ms->sysv ABI calls only in 64bit mode.
5177
5178         * config/i386/i386.md (untyped_call): Support 32bit.
5179
5180 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
5181
5182         * doc/extend.texi: Replace x86_65 with x86_64.
5183
5184 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
5185
5186         PR tree-optimization/39455
5187         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
5188         mismatches for POINTER_TYPE_P (type).
5189         (number_of_iterations_le): Likewise.
5190
5191 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
5192
5193         * config/picochip/picochip.c: Removed profiling support.
5194         * config/picochip/picochip.md: Removed profiling instruction.
5195         * config/picochip/picochip.h: Removed profiling builtin.
5196
5197 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
5198
5199         * doc/install.texi (--with-host-libstdcxx): Document.
5200
5201 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
5202
5203         PR target/34299
5204         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
5205         generate a warning if the function name does not begin with
5206         "__vector" and the function has either the 'signal' or 'interrupt'
5207         attribute, from here to ...
5208         (avr_declare_function_name): ...here. New function.
5209         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
5210         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
5211
5212 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
5213
5214         PR bootstrap/39454
5215         * cse.c (fold_rtx): Don't modify original const_arg1 when
5216         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
5217         separate variable instead.
5218         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
5219         from out of range shift counts.
5220         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
5221
5222 2009-03-13  Catherine Moore  <clm@codesourcery.com>
5223
5224         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
5225         diagnostic.h with $(DIAGNOSTIC_H).
5226
5227 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
5228
5229         PR target/39431
5230         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
5231         predicate.
5232         * config/i386/sync.md (sync_compare_and_swap<mode>,
5233         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
5234         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
5235         into a register.
5236         (sync_double_compare_and_swapdi_pic,
5237         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
5238         cmpxchg8b_pic_memory_operand instead of just memory_operand.
5239
5240 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5241
5242         PR target/39445
5243         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
5244
5245 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5246
5247         PR target/39327
5248         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5249         (avx_addsubv4df3): Likewise.
5250         (*avx_addsubv4sf3): Likewise.
5251         (sse3_addsubv4sf3): Likewise.
5252
5253 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
5254
5255         PR target/38824
5256         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
5257
5258 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
5259
5260         PR debug/39432
5261         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
5262         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
5263         registers for allocnos created from user-defined variables.
5264
5265 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5266
5267         PR target/39181
5268         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
5269         of non-integer mode as well.
5270
5271 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
5272
5273         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
5274         for functions for which the parameter types are unknown.
5275
5276 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
5277
5278         PR target/39137
5279         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
5280         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
5281         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
5282         * config/i386/i386.c (ix86_local_alignment): For
5283         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
5284         long long variables on the stack to avoid dynamic realignment.
5285         Allow the first argument to be a decl rather than type.
5286         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
5287
5288 2009-03-11  Nick Clifton  <nickc@redhat.com>
5289
5290         PR target/5362
5291         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
5292         options.
5293         Add description to mno-lsim option.
5294         * config/mcore/mcore.h: Remove comment about deprecated m4align
5295         option.
5296         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
5297         * doc/invoke.texi: Add description of mno-lsim and
5298         mstack-increment options.
5299
5300         * config/fr30/fr30.opt: Document the -mno-lsim option.
5301         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
5302         and -mno-lsim options.
5303
5304 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5305
5306         * fold-const.c (fold_comparison): Only call fold_inf_compare
5307         if the mode supports infinities.
5308
5309 2009-03-11  Jason Merrill  <jason@redhat.com>
5310
5311         PR debug/39086
5312         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
5313         end already did.  Notice GIMPLE_CALL modifications of the result.
5314         Don't copy debug information from an ignored decl or a decl from
5315         another function.
5316
5317 2009-03-10  Richard Guenther  <rguenther@suse.de>
5318             Nathan Froyd  <froydnj@codesourcery.com>
5319
5320         PR middle-end/37850
5321         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
5322         (__divMODE3): Likewise.
5323
5324 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
5325
5326         PR tree-optimization/39394
5327         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
5328         DECL_SIZE_UNIT of variable length FIELD_DECLs.
5329
5330 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5331
5332         * recog.c (verfiy_changes): Disallow renaming of hard regs in
5333         inline asms for register asm ("") declarations.
5334
5335 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
5336
5337         * fold-const.c (fold_unary): Fix comment.
5338
5339 2009-03-07  Jan Hubicka  <jh@suse.cz>
5340
5341         PR target/39361
5342         * tree-inline.c (setup_one_parameter): Do replacement of const
5343         argument by constant in SSA form.
5344
5345 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5346
5347         PR middle-end/38028
5348         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
5349         determine alignment passed to assign_stack_local.
5350         (assign_parms_unsplit_complex): Likewise.
5351         * except.c (sjlj_build_landing_pads): Likewise.
5352
5353 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
5354
5355         PR middle-end/39360
5356         * tree-flow.h (add_referenced_var): Return bool instead of void.
5357         * tree-dfa.c (add_referenced_var): Return result of
5358         referenced_var_check_and_insert call.
5359         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
5360         of referenced_var_check_and_insert.
5361
5362         PR debug/39372
5363         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
5364         (gen_variable_die): Emit DW_AT_location on abstract static variable's
5365         DIE, don't emit it if abstract origin already has it.
5366         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
5367         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
5368
5369 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5370
5371         * genpreds.c (needs_variable): Fix parentheses at variable name
5372         detection.
5373         (write_tm_constrs_h): Indent generated code.
5374
5375 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5376
5377         * doc/extend.texi (Function Attributes): Add documentation
5378         for isr attributes.
5379
5380 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
5381
5382         PR debug/39387
5383         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
5384         take locus from its DECL_SOURCE_LOCATION instead of input_location.
5385
5386 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5387
5388         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
5389         the loop as bad.
5390
5391 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
5392
5393         PR debug/39379
5394         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
5395         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
5396
5397 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
5398
5399         * config/i386/i386.md (R8_REG, R9_REG): New constants.
5400         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
5401         constants instead of magic numbers.
5402         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
5403         (QI_REG_P): Ditto.
5404         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
5405         (x86_64_ms_abi_int_parameter_registers): Ditto.
5406         (x86_64_int_return_registers): Ditto.
5407         (ix86_maybe_switch_abi): Ditto.
5408         (ix86_expand_call): Ditto for clobbered_registers array.
5409         (ix86_hard_regno_mode_ok): Ditto.
5410         (x86_extended_QIreg_mentioned_p): Ditto.
5411
5412 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
5413
5414         PR tree-optimization/39349
5415         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
5416
5417         * combine.c (gen_lowpart_for_combine): Use omode when generating
5418         clobber.
5419
5420 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
5421
5422         PR rtl-optimization/39235
5423         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
5424
5425 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
5426
5427         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
5428
5429 2009-03-04  Richard Guenther  <rguenther@suse.de>
5430
5431         PR tree-optimization/39362
5432         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
5433         that occur in abnormal PHIs should be varying.
5434
5435 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
5436
5437         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
5438         Extend comments.
5439         (simple_iv):  Take loop as an argument instead of statement.
5440         * tree-scalar-evolution.h (simple_iv): Declaration changed.
5441         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
5442         to simple_iv.
5443         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
5444         Ditto.
5445         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
5446         * matrix-reorg.c (analyze_transpose): Ditto.
5447         * tree-data-ref.c (dr_analyze_innermost): Ditto.
5448         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
5449         * tree-predcom.c (ref_at_iteration): Ditto.
5450         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
5451
5452 2009-03-04  Richard Guenther  <rguenther@suse.de>
5453
5454         PR tree-optimization/39358
5455         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
5456         escaped_id and callused_id.
5457         (solve_graph): Likewise.
5458
5459 2009-03-04  Richard Guenther  <rguenther@suse.de>
5460
5461         PR tree-optimization/39339
5462         * tree-sra.c (try_instantiate_multiple_fields): Make it
5463         no longer ICE on the above.
5464
5465 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
5466
5467         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
5468         that fits within Pmode.
5469
5470 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
5471
5472         PR middle-end/10109
5473         * tm.texi (LIBCALL_VALUE): Update description.
5474
5475 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
5476
5477         PR middle-end/34443
5478         * doc/extend.texi (section): Update description.
5479
5480 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
5481
5482         PR middle-end/39345
5483         * tree-inline.c (remapped_type): New.
5484         (can_be_nonlocal): Call remapped_type instead of remap_type.
5485
5486 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
5487
5488         PR fortran/39354
5489         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
5490         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
5491
5492 2009-03-03  Richard Guenther  <rguenther@suse.de>
5493
5494         PR middle-end/39272
5495         * tree.c (tree_nonartificial_location): New function.
5496         * tree.h (tree_nonartificial_location): Declare.
5497         * builtins.c (expand_builtin_memory_chk): Provide location
5498         of the call location for artificial function pieces.
5499         (maybe_emit_chk_warning): Likewise.
5500         (maybe_emit_sprintf_chk_warning): Likewise.
5501         (maybe_emit_free_warning): Likewise.
5502         * expr.c (expand_expr_real_1): Likewise.
5503
5504 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
5505
5506         PR tree-optimization/39343
5507         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
5508         COMPONENT_REF t has ARRAY_TYPE.
5509
5510 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5511
5512         PR middle-end/39335
5513         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
5514         when the type precision of the induction variable should be
5515         larger than the type precision of nit.
5516         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
5517         * graphite.c (graphite_loop_normal_form): Same.
5518         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
5519
5520 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
5521
5522         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
5523         (*call_1_rex64_ms_sysv): Use named constants instead of magic
5524         numbers to describe clobbered registers.
5525         (*call_value_0_rex64_ms_sysv): Ditto.
5526         * config/i386/mmx.md (mmx_emms): Ditto.
5527         (mmx_femms): Ditto.
5528
5529 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
5530
5531         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
5532         of ABI_64.
5533
5534 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5535
5536         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
5537         (spu_section_type_flags): New function.
5538
5539 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
5540
5541         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
5542         reg_class_contents of FLOAT_REGS into a temporary.
5543
5544 2009-03-02  Richard Guenther  <rguenther@suse.de>
5545             Ira Rosen  <irar@il.ibm.com>
5546
5547         PR tree-optimization/39318
5548         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
5549         information to the vectorized statement.
5550
5551 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
5552
5553         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
5554         variable.  Use defined names instead of magic constants for REX SSE
5555         registers.
5556
5557 2009-03-01  Richard Guenther  <rguenther@suse.de>
5558
5559         PR tree-optimization/39331
5560         * omp-low.c (lower_send_shared_vars): Do not receive new
5561         values for the reference of DECL_BY_REFERENCE parms or results.
5562
5563 2009-03-01  Jan Hubicka  <jh@suse.cz>
5564
5565         PR debug/39267
5566         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
5567         BLOCK_NONLOCALIZED_VAR): New macros.
5568         (tree_block): Add nonlocalized_vars.
5569         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
5570         gen_decl_die): Add origin argument.  Allow generation of die with
5571         origin at hand only.
5572         (gen_member_die, gen_type_die_with_usage, force_decl_die,
5573         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
5574         of gen_*.
5575         (gen_block_die): Fix checking for unused blocks.
5576         (process_scope_var): Break out from .... ; work with origins only.
5577         (decls_for_scope) ... here; process nonlocalized list.
5578         (dwarf2out_ignore_block): Look for nonlocalized vars.
5579         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
5580         vars.
5581         (dump_scope_block): Dump them.
5582         * tree-inline.c (remap_decls): Handle nonlocalized vars.
5583         (remap_block): Likewise.
5584         (can_be_nonlocal): New predicate.
5585         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
5586
5587 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5588
5589         * configure: Regenerate.
5590
5591 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5592
5593         * optc-gen.awk: No need to duplicate option flags twice.
5594         Reuse help texts for duplicate options which do not have any.
5595
5596         * gcc.c (display_help): Document --version.
5597
5598         * gcc.c (main): If print_help_list and verbose_flag, ensure
5599         driver output comes before subprocess output.
5600
5601         * optc-gen.awk: Assign all remaining fields to help string,
5602         space-separated, for multi-line help in *.opt.
5603
5604         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
5605         -Wno-pedantic-ms-format is for MinGW targets only.
5606
5607         * doc/options.texi (Option file format): Fix bad indentation,
5608         restoring dropped sentence.
5609
5610 2009-02-28  Jan Hubicka  <jh@suse.cz>
5611
5612         * tree-inline.c (tree_function_versioning): Output debug info.
5613
5614 2009-02-28  Jan Hubicka  <jh@suse.cz>
5615
5616         PR debug/39267
5617         * tree-inline.c (setup_one_parameter): Do not copy propagate
5618         arguments when not optimizing.
5619
5620 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
5621
5622         PR target/39327
5623         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
5624         (avx_addsubv4df3): Likewise.
5625         (*avx_addsubv4sf3): Likewise.
5626         (sse3_addsubv4sf3): Likewise.
5627         (*avx_addsubv2df3): Likewise.
5628         (sse3_addsubv2df3): Likewise.
5629         (avx_unpckhps256): Correct item selectors.
5630         (avx_unpcklps256): Likewise.
5631         (avx_unpckhpd256): Likewise.
5632         (avx_unpcklpd256): Likewise.
5633
5634 2009-02-28  Jan Hubicka  <jh@suse.cz>
5635
5636         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
5637         static vars.
5638         (copy_arguments_for_versioning): If var is declared don't declare it.
5639         (tree_function_versioning): First setup substitutions and then copy
5640         args.
5641
5642 2009-02-27  Jan Hubicka  <jh@suse.cz>
5643
5644         PR debug/39267
5645         * cgraph.h (varpool_output_debug_info): Remove.
5646         * cgraphunit.c (varpool_output_debug_info): Remove.
5647         * dwarf2out.c (deferred_locations_struct): New struct
5648         (deferred_locations): New type.
5649         (deferred_locations_list): New static var.
5650         (deffer_location): New function.
5651         (gen_variable_die): Use it.
5652         (decls_for_scope): Output info on local static vars.
5653         (dwarf2out_finish): Process deferred locations.
5654         * varpool.c (varpool_output_debug_info): Remove.
5655
5656 2009-02-27  Jan Hubicka  <jh@suse.cz>
5657
5658         PR debug/39267
5659         * tree.h (TREE_PROTECTED): Fix comment.
5660         (BLOCK_HANDLER_BLOCK): Remove.
5661         (struct tree_block): Remove handler_block add body_block.
5662         (inlined_function_outer_scope_p): New.
5663         (is_body_block): Remove.
5664         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
5665         * dwarf2out.c (is_inlined_entry_point): Remove.
5666         (add_high_low_attributes): Use inlined_function_outer_scope_p.
5667         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
5668         code.
5669         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
5670         * gimplify.c (gimplify_expr): Gimplify body blocks.
5671         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
5672         block with multiple subblocks.
5673         (dump_scope_block): Prettier output; dump more flags and info.
5674         (dump_scope_blocks): New.
5675         (remove_unused_locals): Use dump_scope_blocks.
5676         * tree-flow.h (dump_scope_blocks): Declare.
5677         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
5678         * stmt.c (is_body_block): Remove.
5679         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
5680         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
5681
5682 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
5683
5684         PR middle-end/39308
5685         * graphite.c (graphite_loop_normal_form): Do not call
5686         number_of_iterations_exit from a gcc_assert.
5687
5688 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
5689
5690         * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
5691         jumps if COND is NULL.
5692         (find_cond_jump): New function.
5693         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
5694         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
5695
5696 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
5697
5698         * config/alpha/alpha.h (alpha_expand_mov): Return false if
5699         force_const_mem returns NULL_RTX.
5700
5701 2009-02-26  Jan Hubicka  <jh@suse.cz>
5702
5703         PR debug/39267
5704         * cgraph.h (varpool_output_debug_info): Remove.
5705         * cgraphunit.c (varpool_output_debug_info): Remove.
5706         * dwarf2out.c (deferred_locations_struct): New struct
5707         (deferred_locations): New type.
5708         (deferred_locations_list): New static var.
5709         (deffer_location): New function.
5710         (gen_variable_die): Use it.
5711         (decls_for_scope): Output info on local static vars.
5712         (dwarf2out_finish): Process deferred locations.
5713         * varpool.c (varpool_output_debug_info): Remove.
5714
5715 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
5716
5717         PR rtl-optimization/39241
5718         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
5719         to subreg_offset_representable_p.
5720
5721 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5722
5723         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
5724         execute function prototype.  Get f and nregs from max_reg_num
5725         and get_insns.  Remove the first backward pass as it's dead,
5726         guard the forward pass by flag_expensive_optimizations.
5727         (rest_of_handle_regmove): Delete.
5728         (pass_regmove): Replace it with regmove_optimize.
5729
5730 2009-02-25  Martin Jambor  <mjambor@suse.cz>
5731
5732         PR tree-optimization/39259
5733         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
5734         calls_alloca function flags.
5735         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
5736         calls are detected.
5737
5738 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
5739
5740         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
5741         flags_set_1_rtx, flags_set_1_set): Delete.
5742         (regmove_optimize): Do not call mark_flags_life_zones.
5743
5744 2009-02-24  Julian Brown  <julian@codesourcery.com>
5745
5746         PR target/35965
5747         * config/arm/arm.c (require_pic_register): Only set
5748         cfun->machine->pic_reg once per function.
5749
5750 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
5751
5752         * doc/invoke.texi (Link Options): Document an easier way to pass
5753         options that take arguments to the GNU linker using -Xlinker and -Wl.
5754
5755 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
5756
5757         PR target/33785
5758         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
5759
5760 2009-02-24  Richard Guenther  <rguenther@suse.de>
5761
5762         PR debug/39285
5763         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
5764
5765 2009-02-24  Richard Guenther  <rguenther@suse.de>
5766             Zdenek Dvorak  <ook@ucw.cz>
5767
5768         PR tree-optimization/39233
5769         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
5770         from converting them to a generic type.
5771
5772 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
5773
5774         PR tree-optimization/39260
5775         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
5776         contains a condition with a real type.
5777         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
5778
5779 2009-02-23  Jason Merrill  <jason@redhat.com>
5780
5781         PR c++/38880
5782         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
5783         narrowing_initializer_constant_valid_p.
5784         (narrowing_initializer_constant_valid_p): Don't return
5785         null_pointer_node for adding a pointer to itself.
5786
5787 2009-02-23  Jan Hubicka  <jh@suse.cz>
5788
5789         PR c/12245
5790         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
5791         resizing.
5792
5793 2009-02-23  Jan Hubicka  <jh@suse.cz>
5794
5795         PR tree-optimization/37709
5796         * tree.c (block_ultimate_origin): Move here from dwarf2out.
5797         * tree.h (block_ultimate_origin): Declare.
5798         * dwarf2out.c (block_ultimate_origin): Move to tree.c
5799         * tree-ssa-live.c (remove_unused_scope_block_p):
5800         Eliminate blocks containig no instructions nor live variables nor
5801         nested blocks.
5802         (dump_scope_block): New function.
5803         (remove_unused_locals): Enable removal of dead blocks by default;
5804         enable dumping at TDF_DETAILS.
5805
5806 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5807
5808         * config/i386/i386.c (classify_argument): Don't allow COImode
5809         and OImode.
5810         (function_arg_advance_32): Don't allow OImode.
5811         (function_arg_32): Likewise.
5812         (function_value_32): Likewise.
5813         (return_in_memory_32): Likewise.
5814         (function_arg_64): Remove OImode comment.
5815
5816 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5817
5818         PR target/39261
5819         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
5820         ix86_expand_vector_set for V4DImode in 64bit mode only.
5821         (ix86_expand_vector_init_one_var): Likewise.
5822
5823 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
5824
5825         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
5826
5827 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5828
5829         PR bootstrap/39257
5830         * loop-iv.c: Revert last change.
5831         * emit-rtl.c: Likewise.
5832
5833 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
5834
5835         PR target/39256
5836         * config/i386/i386.c (type_natural_mode): Remove an extra
5837         space in the warning message.
5838         (function_value_32): Handle 32-byte vector modes.
5839         (return_in_memory_32): Likewise.
5840
5841 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
5842
5843         * loop-iv.c (truncate_value): New function.
5844         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
5845         of lowpart_subreg.
5846         (lowpart_subreg): Move to...
5847         * emit-rtl.c: ...here.
5848
5849 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
5850
5851         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
5852         accidental and undocumented change at revision 140860.
5853
5854 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
5855
5856         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
5857         take gimple_seq * arguments.
5858         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
5859         types_compatible_p langhook.
5860
5861 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
5862             Joseph Myers  <joseph@codesourcery.com>
5863
5864         * config/arm/arm.c (arm_builtin_va_list): New function.
5865         (arm_expand_builtin_va_start): Likewise.
5866         (arm_gimplify_va_arg_expr): Likewise.
5867         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
5868         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
5869         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
5870         (va_list_type): New variable.
5871         (arm_mangle_type): Mangle va_list_type appropriately.
5872
5873 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5874
5875         PR middle-end/39157
5876         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
5877         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
5878         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
5879         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
5880         parameter to 1000 for -O1 by default.
5881         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
5882         parameter.
5883         * loop-invariant.c: Include params.h.
5884         (move_loop_invariants): Don't call move_single_loop_invariants on
5885         very large loops.
5886
5887 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
5888
5889         * calls.c (emit_library_call_value_1): Use slot_offset instead of
5890         offset when calculating bounds for indexing stack_usage_map.  Fixes
5891         a buffer overflow with certain target setups.
5892
5893 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
5894
5895         PR target/39240
5896         * calls.c (expand_call): Clear try_tail_call if caller and callee
5897         disagree in promotion of function return value.
5898
5899 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
5900
5901         PR target/39175
5902         * c-common.c (c_determine_visibility): If visibility changed and
5903         DECL_RTL has been already set, call make_decl_rtl to update symbol
5904         flags.
5905
5906 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
5907
5908         PR c++/39188
5909         * varasm.c (assemble_variable): Don't check DECL_NAME when
5910         globalizing a variable.
5911
5912 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
5913
5914         PR c/38483
5915         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
5916         expression before any __builtin_trap call.
5917         * c-typeck.c (build_function_call): Convert and check function
5918         arguments before generating a call to a trap.  Evaluate the
5919         function arguments before the trap.
5920
5921 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
5922
5923         PR target/39228
5924         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
5925         (UNSPEC_FXAM_MEM): New unspec.
5926         (fxam<mode>2_i387_with_temp): New insn and split pattern.
5927         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
5928         memory using fxam<mode>2_i387_with_temp to remove excess precision.
5929
5930 2009-02-19  Richard Guenther  <rguenther@suse.de>
5931
5932         PR tree-optimization/39207
5933         PR tree-optimization/39074
5934         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
5935         storedanything_tree): New.
5936         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
5937         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
5938         (build_succ_graph): Add edges from STOREDANYTHING to all
5939         non-direct nodes.
5940         (init_base_vars): Initialize STOREDANYTHING.
5941         (compute_points_to_sets): Free substitution info after
5942         building the succ graph.
5943         (ipa_pta_execute): Likewise.
5944
5945         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
5946         field.
5947         (do_ds_constraint): Do not add to special var or non-pointer
5948         field solutions.
5949         (type_could_have_pointers): Split out from ...
5950         (could_have_pointers): ... here.  For arrays use the element type.
5951         (create_variable_info_for): Initialize may_have_pointers.
5952         (new_var_info): Likewise.
5953         (handle_lhs_call): Make the HEAP variable unknown-sized.
5954         (intra_create_variable_infos): Use a type with pointers for
5955         PARM_NOALIAS, make it unknown-sized.
5956
5957 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
5958
5959         PR target/39224
5960         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
5961
5962 2009-02-18  Jason Merrill  <jason@redhat.com>
5963
5964         PR target/39179
5965         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
5966         value if DECL_EXTERNAL.
5967         * tree-sra.c (sra_walk_gimple_assign): Likewise.
5968         * target.h (gcc_target::binds_local_p): Clarify "module".
5969         * tree.h (TREE_PUBLIC): Clarify "module".
5970
5971 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
5972
5973         PR target/38891
5974         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
5975         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
5976
5977 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
5978
5979         PR target/39082
5980         * c.opt (Wabi): Support C and ObjC.
5981         (Wpsabi): New.
5982
5983         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
5984
5985         * config/i386/i386.c (classify_argument): Warn once about the ABI
5986         change when passing union with long double.
5987
5988         * doc/invoke.texi: Update -Wabi for warning psABI changes.
5989
5990 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
5991
5992         PR c/35447
5993         * c-parser.c (c_parser_compound_statement): Always enter and leave
5994         a scope.
5995
5996 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5997
5998         PR target/34587
5999         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
6000
6001 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
6002
6003         PR tree-optimization/36922
6004         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
6005         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
6006         Likewise.
6007
6008 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
6009
6010         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
6011         to 0 for EABI64.
6012
6013 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
6014
6015         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
6016
6017 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
6018
6019         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
6020         tree sharing.
6021
6022 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
6023             Richard Sandiford  <rdsandiford@googlemail.com>
6024
6025         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
6026         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
6027         (loongson_biadd): ...this.
6028
6029 2009-02-17  Richard Guenther  <rguenther@suse.de>
6030
6031         PR tree-optimization/39202
6032         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
6033         a var make sure to follow existing collapses.
6034
6035 2009-02-17  Richard Guenther  <rguenther@suse.de>
6036
6037         PR middle-end/39214
6038         * langhooks.c (lhd_print_error_function): Check for NULL block.
6039
6040 2009-02-17  Richard Guenther  <rguenther@suse.de>
6041
6042         PR tree-optimization/39204
6043         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
6044         of the PHI arg.
6045
6046 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
6047
6048         * config/soft-fp/double.h: Update from glibc CVS.
6049
6050 2009-02-17  Richard Guenther  <rguenther@suse.de>
6051
6052         PR tree-optimization/39207
6053         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
6054         strict-aliasing warnings for pointers pointing to NULL.
6055
6056 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
6057
6058         PR c/35446
6059         * c-parser.c (c_parser_braced_init): Call pop_init_level when
6060         skipping until next close brace.
6061
6062 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
6063
6064         PR target/37049
6065         * config/i386/i386.c (ix86_expand_push): Set memory alignment
6066         to function argument boundary.
6067
6068 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
6069
6070         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
6071         in the lea_add. Reload eventually constraints it properly.
6072         * config/picochip/constraints.md : Remove the target constraint
6073         "b", since it is not needed anymore.
6074
6075 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
6076
6077         * gthr-dce.h: Uglify function parameter and local variable names.
6078         * gthr-gnat.h: Likewise.
6079         * gthr-mipssde.h: Likewise.
6080         * gthr-nks.h: Likewise.
6081         * gthr-posix95.h: Likewise.
6082         * gthr-posix.h: Likewise.
6083         * gthr-rtems.h: Likewise.
6084         * gthr-single.h: Likewise.
6085         * gthr-solaris.h: Likewise.
6086         * gthr-tpf.h: Likewise.
6087         * gthr-vxworks.h: Likewise.
6088         * gthr-win32.h: Likewise.
6089
6090 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
6091
6092         PR target/39196
6093         * config/i386/i386.md: Restrict the new peephole2 to move
6094         between MMX/SSE registers.
6095
6096 2009-02-15  Richard Guenther  <rguenther@suse.de>
6097
6098         Revert
6099         2009-02-13  Richard Guenther  <rguenther@suse.de>
6100
6101         * configure.ac: Enable LFS.
6102         * configure: Re-generate.
6103         * config.in: Likewise.
6104
6105 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6106
6107         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
6108         spu_srqwbyte, spu_srqwbytebc): Define.
6109         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
6110         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
6111         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
6112         "shrqby_<mode>"): New insn-and-split patterns.
6113         * config/spu/spu.c (expand_builtin_args): Determine and return
6114         number of operands using spu_builtin_description data.
6115         (spu_expand_builtin_1): Use it.
6116
6117 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
6118
6119         PR target/38056
6120         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
6121         TARGET_CONST_GP.
6122
6123 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6124
6125         PR target/39149
6126         * config/i386/i386.c (override_options): Correct warning
6127         messages for -malign-loops, -malign-jumps and -malign-functions.
6128
6129 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6130
6131         PR target/39152
6132         * config/i386/i386.md: Restrict the new peephole2 to move
6133         between the general purpose registers.
6134
6135 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
6136
6137         PR target/39162
6138         * config/i386/i386.c (type_natural_mode): Add a new argument.
6139         Return the original mode and warn ABI change if vector size is 32byte.
6140         (function_arg_advance): Updated.
6141         (function_arg): Likewise.
6142         (ix86_function_value): Likewise.
6143         (ix86_return_in_memory): Likewise.
6144         (ix86_sol10_return_in_memory): Likewise.
6145         (ix86_gimplify_va_arg): Likewise.
6146         (function_arg_32): Don't warn ABX ABI change here.
6147         (function_arg_64): Likewise.
6148
6149 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6150
6151         * loop-iv.c (implies_p): In the final case, test that operands 0
6152         of the two comparisons match.
6153
6154         * config/bfin/bfin.c (find_prev_insn_start): New function.
6155         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
6156         (find_next_insn_start): Move.
6157
6158 2009-02-13  Richard Guenther  <rguenther@suse.de>
6159
6160         * configure.ac: Enable LFS.
6161         * configure: Re-generate.
6162         * config.in: Likewise.
6163
6164 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
6165
6166         PR c/35444
6167         * c-parser.c (c_parser_parms_list_declarator): Discard pending
6168         sizes on syntax error after some arguments have been parsed.
6169
6170 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
6171
6172         * doc/invoke.texi (-fira): Remove.
6173
6174 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6175
6176         * caller-save.c: Replace regclass.c with reginfo.c in comments.
6177         * recog.c: Likewise.
6178         * rtl.h: Likewise.
6179
6180 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
6181
6182         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
6183         (umul_ppmm): Likewise.
6184         (count_leading_zeros): Likewise.
6185         (count_trailing_zeros): Likewise.
6186         (UMUL_TIME): Likewise.
6187
6188 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6189
6190         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
6191         soft-fp/t-softfp to tmake_file.
6192
6193         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
6194         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
6195         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
6196         IA64_BUILTIN_INFQ]: New.
6197         (ia64_init_builtins): Initialize __builtin_infq,
6198         __builtin_fabsq and __builtin_copysignq if not HPUX.
6199         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
6200         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
6201
6202         * config/ia64/lib1funcs.asm (__divtf3): Define only if
6203         SHARED is defined.
6204         (__fixtfti): Likewise.
6205         (__fixunstfti): Likewise.
6206         (__floattitf): Likewise.
6207
6208         * config/ia64/libgcc-glibc.ver: New.
6209         * config/ia64/t-fprules-softfp: Likewise.
6210         * config/ia64/sfp-machine.h: Likewise.
6211
6212         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
6213         (LIBGCC2_TF_CEXT): Likewise.
6214         (TF_SIZE): Likewise.
6215         (TARGET_INIT_LIBFUNCS): Likewise.
6216
6217         * config/ia64/t-glibc (SHLINB_MAPFILES):
6218         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
6219
6220 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
6221
6222         * config/i386/i386.c (construct_container): Rewrite processing
6223         BLKmode with X86_64_SSE_CLASS.
6224
6225 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
6226
6227         PR target/39152
6228         * config/i386/i386.md: Replace simplify_replace_rtx with
6229         replace_rtx in the new peephole2.
6230
6231 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
6232
6233         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
6234         loop unrolling do not happen at -O2.
6235
6236 2009-02-12  Michael Matz  <matz@suse.de>
6237
6238         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
6239
6240 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
6241
6242         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
6243         for -g3.
6244
6245 2009-02-12  Ben Elliston  <bje@au.ibm.com>
6246
6247         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
6248         patterns when updating the back chain.  Missed in the 2009-02-10
6249         change.
6250
6251 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
6252
6253         * doc/extend.texi (Decimal Floating Types): Update identifier of
6254         draft TR and list of missing support.
6255
6256 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
6257
6258         PR middle-end/39154
6259         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
6260         bit to variable length decl's flags, add it also to its
6261         pointer replacement variable.
6262
6263 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
6264             Jakub Jelinek  <jakub@redhat.com>
6265
6266         PR target/39118
6267         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
6268         (memory_blockage): New expander.
6269         (*memory_blockage): New insn pattern.
6270         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
6271         instead of general blockage at the end of function prologue when
6272         frame pointer is used to access red zone area.  Do not emit blockage
6273         when profiling, it is emitted in generic code.
6274         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
6275         function epilogue when frame pointer is used to access red zone area.
6276
6277 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
6278
6279         PR target/38824
6280         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
6281         by arithmetic with memory operands.
6282         * config/i386/predicates.md (commutative_operator): New.
6283
6284 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
6285
6286         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
6287         bulleted lists.
6288
6289 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
6290
6291         * alias.h (record_alias_subset): Declare.
6292         * alias.c (record_alias_subset): Make global.
6293
6294 2009-02-10  Nick Clifton  <nickc@redhat.com>
6295
6296         * tree-parloops.c: Change license to GPLv3.
6297         * ipa-struct-reorg.c: Change license to GPLv3.
6298         * ipa-struct-reorg.h: Change license to GPLv3.
6299
6300 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
6301
6302         PR c/39084
6303         * c-decl.c (start_struct): Return NULL on error.
6304
6305 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
6306
6307         PR middle-end/39124
6308         * cfgloopmanip.c (remove_path): Call remove_bbs after
6309         cancel_loop_tree, not before it.
6310
6311         PR target/39139
6312         * function.h (struct function): Add has_local_explicit_reg_vars bit.
6313         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
6314         VAR_DECLs were seen.
6315         * tree-ssa-live.c (remove_unused_locals): Recompute
6316         cfun->has_local_explicit_reg_vars.
6317         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
6318         copies or clearings if cfun->has_local_explicit_reg_vars.
6319
6320 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
6321
6322         PR target/39118
6323         * config/i386/i386.c (expand_prologue): Emit blockage at the end
6324         of function prologue when frame pointer is used to access
6325         red zone area.
6326
6327 2009-02-10  Richard Guenther  <rguenther@suse.de>
6328
6329         PR middle-end/39127
6330         * gimplify.c (gimple_regimplify_operands): Always look if
6331         we need to create a temporary.
6332
6333 2009-02-10  Richard Guenther  <rguenther@suse.de>
6334
6335         PR tree-optimization/39132
6336         * tree-loop-distribution.c (todo): New global var.
6337         (generate_memset_zero): Trigger TODO_rebuild_alias.
6338         (tree_loop_distribution): Return todo.
6339
6340 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
6341
6342         PR target/39119
6343         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
6344         (x86_64_reg_class_name): Removed.
6345         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
6346         first one isn't X86_64_SSE_CLASS or any other ones aren't
6347         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
6348         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
6349         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
6350         and 3 X86_64_SSEUP_CLASS.
6351         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
6352         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
6353
6354 2009-02-10  Ben Elliston  <bje@au.ibm.com>
6355
6356         * config/rs6000/rs6000.md (allocate_stack): Always use an update
6357         form instruction to update the stack back chain word, even if the
6358         user has disabled the generation of update instructions.
6359         (movdi_<mode>_update_stack): New.
6360         (movsi_update_stack): Likewise.
6361         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
6362         always use an update form instruction to update the stack back
6363         chain word.
6364
6365 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
6366
6367         PR middle-end/38953
6368         * graphite.c (if_region_set_false_region): After moving a region in
6369         the false branch of a condition, remove the empty dummy basic block.
6370         (gloog): Remove wrong fix for PR38953.
6371
6372 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6373
6374         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
6375         generation due to implicit sign extension.
6376
6377 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
6378
6379         PR middle-end/38981
6380         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
6381         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
6382
6383 2009-02-09  Richard Guenther  <rguenther@suse.de>
6384
6385         PR middle-end/35202
6386         * convert.c (convert_to_real): Disable (float)fn((double)x)
6387         to fnf(x) conversion if errno differences may occur and
6388         -fmath-errno is set.
6389
6390 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
6391
6392         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
6393         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6394         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6395
6396 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
6397
6398         PR c/35434
6399         * c-common.c (handle_alias_attribute): Disallow attribute for
6400         anything not a FUNCTION_DECL or VAR_DECL.
6401
6402 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
6403
6404         PR c/39035
6405         * real.c (do_compare): Special-case compare of zero against
6406         decimal float value.
6407
6408 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
6409
6410         PR c/36432
6411         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
6412         as indicating flexible array members unless the field itself is
6413         being declarared as the incomplete array.
6414
6415 2009-02-06  Jan Hubicka  <jh@suse.cz>
6416
6417         PR tree-optimization/38844
6418         * ipa-inline.c (try_inline): Stop inlining recursion when edge
6419         is already inlined.
6420
6421 2009-02-06  Richard Guenther  <rguenther@suse.de>
6422
6423         PR middle-end/38977
6424         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
6425         fork because we may expand it as __gcov_fork.
6426
6427 2009-02-06  Nick Clifton  <nickc@redhat.com>
6428
6429         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
6430
6431 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
6432
6433         PR tree-optimization/35659
6434         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
6435         vn_phi_eq): Shortcut if hashcode does not match.
6436         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
6437         NULL operands.
6438         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
6439         and avoid iterative_hash_expr.
6440         (FOR_EACH_VALUE_ID_IN_SET): New.
6441         (value_id_compare): Remove.
6442         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
6443         sort expressions by value id.
6444
6445 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
6446
6447         PR target/38991
6448         * config/sh/predicates.md (general_movsrc_operand): Don't check
6449         the subreg of system registers here.
6450
6451 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
6452
6453         PR c++/39106
6454         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
6455         on the copied decl.
6456
6457 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
6458
6459         PR rtl-optimization/39110
6460         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
6461         addresses, not aligned ones.
6462
6463 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
6464             Richard Guenther  <rguenther@suse.de>
6465
6466         PR tree-optimization/39100
6467         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
6468         comment says and add edges.
6469
6470 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
6471
6472         PR c/35435
6473         * c-common.c (handle_tls_model_attribute): Ignore attribute for
6474         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
6475
6476 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
6477
6478         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
6479         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
6480         register_bb_in_sese, new_sese, free_sese): Moved.
6481         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
6482         outermost_loop_in_scop, build_scop_iteration_domain,
6483         expand_scalar_variables_ssa_name, get_vdef_before_scop,
6484         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
6485         Use loop_in_sese_p instead of loop_in_scop_p.
6486         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
6487         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
6488         (scopdet_basic_block_info): Fix bug in scop detection.
6489         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
6490         eq_loop_to_cloog_loop): Remove.
6491         (nb_loops_around_loop_in_scop, nb_loop
6492         ref_nb_loops): Moved here...
6493         * graphite.h (ref_nb_loops): ... from here.
6494         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
6495         (loop_domain_dim, loop_iteration_vector_dim): Remove.
6496         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
6497         * testsuite/gcc.dg/graphite/scop-19.c: New
6498
6499 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
6500             Hans-Peter Nilsson  <hp@axis.com>
6501
6502         PR rtl-optimization/37889
6503         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
6504         Move offset handling from PLUS to before the switch.  Use new
6505         arguments when considering SYMBOL_REFs too.
6506         (rtx_addr_can_trap_p): Pass dummy offset and size.
6507         (enum may_trap_p_flags): Remove.
6508         (may_trap_p_1): Pass size from MEM_SIZE.
6509
6510         PR rtl-optimization/38921
6511         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
6512         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
6513         * rtlanal.c (may_trap_after_code_motion_p): Delete.
6514         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
6515
6516 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
6517
6518         AVX Programming Reference (January, 2009)
6519         * config/i386/sse.md (*vpclmulqdq): New.
6520
6521 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
6522
6523         PR tree-optimization/38977
6524         PR gcov-profile/38292
6525         * calls.c (special_function_p): Disregard __builtin_ prefix.
6526
6527 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
6528
6529         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
6530         non-indexable addresses even before reload.
6531
6532 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
6533
6534         PR c/29129
6535         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
6536         as having variable size.  Do not give an error for unnamed
6537         parameters with [*] declarators.  Give a warning for type names
6538         with [*] declarators and mark them as variable size.
6539         * c-parser.c (c_parser_sizeof_expression): Do not give an error
6540         for sizeof applied to [*] type names.
6541
6542 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6543
6544         PR C++/36607
6545         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
6546
6547 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
6548
6549         * gcc.c (process_command): Update copyright notice dates.
6550         * gcov.c (print_version): Likewise.
6551         * gcov-dump.c (print_version): Likewise.
6552         * mips-tfile.c (main): Likewise.
6553         * mips-tdump.c (main): Likewise.
6554
6555 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
6556
6557         PR c/35433
6558         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
6559         for composite type involving a zero-length array type.
6560
6561 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
6562
6563         PR target/35318
6564         * function.c (match_asm_constraints_1): Skip over
6565         initial optional % in the constraint.
6566
6567         PR inline-asm/39059
6568         * c-parser.c (c_parser_postfix_expression): If fixed point is not
6569         supported, don't accept FIXED_CSTs.
6570         * c-decl.c (finish_declspecs): Error if fixed point is not supported
6571         and _Sat is used without _Fract/_Accum.  Set specs->type to
6572         integer_type_node for cts_fract/cts_accum if fixed point is not
6573         supported.
6574
6575 2009-02-02  Catherine Moore  <clm@codesourcery.com>
6576
6577         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
6578
6579 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
6580
6581         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
6582         (ABI_HAS_64BIT_SYMBOLS): Use it.
6583         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
6584
6585 2009-02-02  Paul Brook  <paul@codesourcery.com>
6586
6587         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
6588
6589 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
6590
6591         PR inline-asm/39058
6592         * recog.h (asm_operand_ok): Add constraints argument.
6593         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
6594         recurse on matching constraint.
6595         (check_asm_operands): Pass constraints as 3rd argument to
6596         asm_operand_ok.  Don't look up matching constraint here.
6597         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
6598         to asm_operand_ok.
6599
6600 2009-02-02  Ben Elliston  <bje@au.ibm.com>
6601
6602         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
6603         TARGET_NARROW_VOLATILE_BITFIELD macro names.
6604
6605 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6606
6607         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
6608         information.  Remove some obsolete information.  Reorganize.
6609
6610         * config/pa/fptr.c: Revert license to GPL 2.
6611         * config/pa/milli64.S: Likewise.
6612
6613 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6614
6615         PR target/38904
6616         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
6617         LIBRARY name in, instead of hard-coding it.
6618         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
6619         extra target make frag to tmake_files according to EH model.
6620         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
6621         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
6622         frags that define makefile variable EH_MODEL appropriately.
6623         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
6624         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
6625         to "-sjlj" according to type of EH configured.
6626         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6627         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
6628         to "_sjlj" according to type of EH configured.
6629         (LIBGCC_SONAME):  Concatenate it to shared library base name.
6630         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
6631         (SHLIB_LINK):  Add missing semicolon to if-else construct.
6632         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6633         string value of "pe_dll" command-line option.
6634         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
6635         (SHLIB_SONAME):  Use it when overriding t-cygming default.
6636         (SHLIB_IMPLIB):  Override t-cygming default.
6637         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
6638         string value of "pe_dll" command-line option.
6639
6640 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
6641
6642         PR target/38952
6643         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
6644         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
6645
6646 2009-01-31  Richard Guenther  <rguenther@suse.de>
6647
6648         PR tree-optimization/38937
6649         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
6650         computing the transitive closure.
6651
6652 2009-01-30  Richard Guenther  <rguenther@suse.de>
6653
6654         PR tree-optimization/39041
6655         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6656         Propagate variable indices only if the types match for this stmt.
6657
6658 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
6659
6660         PR target/39013
6661         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
6662         inline but never defined.
6663
6664 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
6665
6666         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
6667         (*insv_h_di_reg_extimm): New insn.
6668         (*insv_l<mode>_reg_extimm): New insn.
6669
6670 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6671
6672         * config/picochip/picochip.c (flag_conserve_stack): set
6673         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
6674         fconserve-stack. Reduce call-overhead used by inliner.
6675
6676 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
6677
6678         PR/38157
6679         * common.opt (flag_conserve_stack): Initialised to zero.
6680
6681 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
6682
6683         PR/39002
6684         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
6685         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
6686         method.
6687
6688 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
6689
6690         * ira-color.c (allocno_reload_assign): Update comments.
6691         * regmove.c (regmove_optimize): Likewise.
6692
6693         * ra.h: Removed.
6694
6695 2009-01-29  Robert Millan  <rmh@aybabtu.com>
6696
6697         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
6698         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
6699         `MD_UNWIND_SUPPORT'.
6700         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
6701
6702 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
6703
6704         PR tree-optimization/39007
6705         * tree-loop-distribution.c (generate_builtin): Use
6706         recompute_dominator to compute the immediate dominator of the
6707         basic block just after the loop.
6708
6709 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6710
6711         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
6712         (ASM_OUTPUT_DWARF_PCREL): Define.
6713
6714 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
6715
6716         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
6717         * doc/passes.texi: Remove entries about regclass, local-alloc, and
6718         global.  Modify entries about regmove and IRA.
6719
6720         * ra-conflict.c: Remove the file.
6721
6722         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
6723
6724         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
6725         (pass_regclass_init): Rename to pass_reginfo_init.
6726
6727         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
6728
6729         * toplev.h (flag_ira): Remove.
6730
6731         * caller-save.c (setup_save_areas): Remove flag_ira.
6732
6733         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
6734
6735         * global.c: Remove the file.
6736
6737         * opts.c (decode_options): Remove flag_ira.
6738
6739         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
6740
6741         * regmove.c: Modify file description.
6742         (find_use_as_address, try_auto_increment): Define them only if
6743         AUTO_INC_DEC is defined.
6744         (replacement_quality, replace_in_call_usage, fixup_match_1,
6745         stable_and_no_regs_but_for_p): Remove.
6746         (reg_set_in_bb): Make it static.
6747         (regmove_optimize): Remove flag_ira and code which worked for
6748         !flag_ira.
6749
6750         * local-alloc.c: Remove the file.
6751
6752         * common.opt (fira): Remove.
6753
6754         * ira.c: Include except.h.
6755         (eliminable_regset): Move from global.c.
6756         (mark_elimination): Ditto.  Remove flag_ira.
6757         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
6758         equiv_mem_modified, validate_equiv_mem_from_store,
6759         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
6760         contains_replace_regs, memref_referenced_p, memref_used_between_p,
6761         no_equiv, recorded_label_ref): Move from local-alloc.c.
6762         (update_equiv_regs): Ditto.  Make it static.
6763         (print_insn_chain, print_insn_chains): Move it from global.c.
6764         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
6765         (build_insn_chain): Ditto.  Make it static.
6766         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
6767         Rename to init_live_subregs.
6768         (gate_ira): Remove flag_ira.
6769
6770         * regclass.c: Rename reginfo.c.  Change file description.
6771         (FORBIDDEN_INC_DEC_CLASSES): Remove.
6772         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
6773         (init_reg_sets_1): Remove code for evaluation of
6774         reg_class_superclasses and losing_caller_save_reg_set.
6775         (init_regs): Remove init_reg_autoinc.
6776         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
6777         ok_for_base_p_nonstrict): Remove.
6778         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
6779         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
6780         corresponding entries.
6781         (dump_regclass, record_operand_costs, scan_one_insn,
6782         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
6783         record_address_regs, auto_inc_dec_reg_p): Remove.
6784         (gt-regclass.h): Rename to gt-reginfo.h.
6785
6786         * rtl.h (dump_global_regs, retry_global_alloc,
6787         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
6788
6789         * Makefile.in (RA_H): Remove.
6790         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
6791         Rename regclass.o to reginfo.o.
6792         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
6793         gt-reginfo.h.
6794         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
6795         (GTFILES): Rename regclass.c to reginfo.c.
6796
6797         * passes.c (init_optimization_passes): Remove pass_local_alloc and
6798         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
6799
6800         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
6801         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
6802         Remove flag_ira.
6803         (finish_spills): Ditto.  Remove code for !flag_ira.
6804
6805 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
6806
6807         PR middle-end/35854
6808         * doc/invoke.texi (rtl debug options): Complete rewrite.
6809         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
6810         to auto_inc_dec".
6811         * mode-switching.c (pass_mode_switching): Rename pass from
6812         "mode-sw" to "mode_sw".
6813         * except.c (pass_convert_to_eh_ranges): Rename pass from
6814         "eh-ranges" to "eh_ranges".
6815         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
6816         to "subreg1".
6817
6818
6819 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
6820             Alexander Monakov  <amonakov@ispras.ru>
6821
6822         PR middle-end/38857
6823         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
6824         register.
6825         (move_exprs_to_boundary): Change return type and pass through
6826         should_move from move_op.  Relax assert.  Update usage ...
6827         (schedule_expr_on_boundary): ... here.  Use should_move instead of
6828         cant_move.
6829         (move_op_orig_expr_found): Indicate that insn was disconnected from
6830         stream.
6831         (code_motion_process_successors): Do not call after_merge_succs
6832         callback if original expression was not found when traversing any of
6833         the branches.
6834         (code_motion_path_driver): Change return type.  Update prototype.
6835         (move_op): Update comment.  Add a new parameter (should_move).  Update
6836         prototype.  Set *should_move based on indication provided by
6837         move_op_orig_expr_found.
6838
6839 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
6840
6841         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
6842         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
6843         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
6844         * config/rs6000/rs6000.c (rs6000_override_options): Default
6845         avoid-indexed-addresses on for Power6, off for everything else.
6846         (avoiding_indexed_address_p): New function.
6847         (rs6000_legitimize_address): Use it.
6848         (rs6000_legitimate_address): Likewise.
6849         * config/rs6000/rs6000.md (movXX_updateX): Likewise
6850
6851 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
6852
6853         PR tree-optimization/38997
6854         * tree-loop-distribution.c (generate_memset_zero): Use
6855         POINTER_PLUS_EXPR for a pointer addition.
6856
6857 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
6858
6859         * config/s390/s390.md (bswap<mode>2): New pattern added.
6860
6861 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6862
6863         * config/s390/s390.md (*tls_load_31): Added type attribute.
6864
6865 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6866
6867         * config/s390/s390.md: Fix a few comments.
6868
6869 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
6870
6871         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
6872         (*tm<mode>_full): Fixed z10prop attribute.
6873         (*tst<mode>_extimm): Fixed z10prop attribute.
6874         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
6875         (*tstqiCCT_cconly): Fixed z10prop attribute.
6876         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
6877         (*movsi_larl): Fixed z10prop attribute.
6878         (*movsi_zarch): Fixed z10prop attribute.
6879         (*movsi_eas): Fixed z10prop attribute.
6880         (*movhi): Fixed z10prop attribute.
6881         (*movqi): Fixed z10prop attribute.
6882         (*movstrictqi): Fixed z10prop attribute.
6883         (*mov<mode>): Fixed z10prop attribute.
6884         (*movcc): Fixed z10prop attribute.
6885         (*sethighpartdi_64): Fixed z10prop attribute.
6886         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
6887         (*negdi2_sign_cc): Fixed z10prop attribute.
6888         (*negdi2_sign): Fixed z10prop attribute.
6889         (*absdi2_sign_cc): Fixed z10prop attribute.
6890         (*absdi2_sign): Fixed z10prop attribute.
6891         (*negabsdi2_sign_cc): Fixed z10prop attribute.
6892         (*negabsdi2_sign): Fixed z10prop attribute.
6893         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
6894         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
6895         (doloop_si64): Fixed z10prop attribute.
6896         (doloop_si31): Fixed z10prop attribute.
6897         (doloop_long): Fixed z10prop attribute.
6898         (indirect_jump): Fixed z10prop attribute.
6899         (nop): Fixed z10prop attribute.
6900         (main_base_64): Fixed z10prop attribute.
6901         (reload_base_64): Fixed z10prop attribute.
6902
6903 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6904
6905         PR rtl-optimization/38740
6906         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
6907         if !optimize.
6908         * config/mips/mips.c (mips_reorg): Likewise.
6909
6910 2009-01-28  Richard Guenther  <rguenther@suse.de>
6911
6912         PR tree-optimization/38926
6913         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
6914         with the correct value id to a value.
6915         (do_regular_insertion): Use the value number of edoubleprime
6916         for the value number of the expr.
6917
6918         Revert
6919         2008-08-21  Richard Guenther  <rguenther@suse.de>
6920
6921         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
6922         a PHI ask VN if it is already available.
6923         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
6924         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
6925
6926 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
6927
6928         PR middle-end/38934
6929         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
6930         set to varying whenever max has TREE_OVERFLOW set, similarly
6931         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
6932
6933 2009-01-28  Richard Guenther  <rguenther@suse.de>
6934
6935         PR middle-end/38908
6936         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
6937         uninitialized aggregate uses in call arguments.
6938
6939 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
6940
6941         PR tree-optimization/38984
6942         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
6943         the nothing_id variable if -fno-delete-null-pointer-checks.
6944
6945 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
6946
6947         PR target/38988
6948         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
6949         (set_got_offset_rex64): Ditto.
6950
6951 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
6952
6953         PR target/38941
6954         * doc/extend.texi: Improve local variable with asm reg.
6955
6956 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
6957
6958         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
6959         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
6960         was not supplied then set warn_packed_bitfield_compat to the
6961         default value of 1.
6962         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
6963         against 1.
6964
6965 2009-01-27  Richard Guenther  <rguenther@suse.de>
6966
6967         PR tree-optimization/38503
6968         * cfgexpand.c (expand_gimple_basic_block): Ignore
6969         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
6970         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
6971         variables that cannot have TBAA applied.
6972         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
6973         statements.
6974
6975 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
6976
6977         PR middle-end/38969
6978         * calls.c (initialize_argument_information): Do not wrap complex
6979         arguments in SAVE_EXPR.
6980
6981 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
6982
6983         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
6984         (INSTALL_LIBGCC): Revert typo commit.
6985
6986 2009-01-26  Richard Guenther  <rguenther@suse.de>
6987
6988         PR tree-optimization/38745
6989         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
6990         from special handling.
6991
6992 2009-01-26  Richard Guenther  <rguenther@suse.de>
6993
6994         PR tree-optimization/38745
6995         * tree-ssa.c (execute_update_addresses_taken): Do not include
6996         variables that cannot possibly be a register in not_reg_needs.
6997         Do not clear TREE_ADDRESSABLE on vars that may not become
6998         registers.
6999         * tree-ssa.c (update_alias_info_1): Include those in the set
7000         of addressable vars.
7001
7002 2009-01-26  Richard Guenther  <rguenther@suse.de>
7003
7004         PR middle-end/38851
7005         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
7006         * tree-ssa-dse.c: Include langhooks.h
7007         (execute_simple_dse): Remove stores with zero size.
7008
7009 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
7010
7011         PR c/38957
7012         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
7013         as PLUS_EXPR.
7014
7015 2009-01-24  Julian Brown  <julian@codesourcery.com>
7016
7017         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
7018         config/arm/linux-atomic.c.
7019         * config/arm/linux-atomic.c: New.
7020
7021 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
7022
7023         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
7024         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
7025         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
7026
7027 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
7028
7029         PR c/38938
7030         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
7031         properly.
7032
7033 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
7034
7035         PR tree-optimization/38953
7036         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
7037         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
7038         (gloog): Split the exit of the scop when the scop exit is a loop exit.
7039         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
7040         changed the CFG.
7041
7042 2009-01-24  Paul Brook  <paul@codesourcery.com>
7043
7044         * config/arm/neon.md (neon_type): Move to arm.md.
7045         (neon_mov<VSTRUCT>): Add neon_type attribute.
7046         * config/arm/arm.md (neon_type): Move to here.
7047         (conds): Add "unconditioal" and use as default for NEON insns.
7048
7049 2009-01-24  Ben Elliston  <bje@au.ibm.com>
7050
7051         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
7052         void *' warning from -Wc++-compat.
7053         * Makefile.in (dominance.o-warn): Remove.
7054
7055 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
7056
7057         PR tree-optimization/38932
7058         * fold-const.c (fold_unary_ignore_overflow): New.
7059         * tree.h (fold_unary_ignore_overflow): Declare.
7060         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
7061         * tree-ssa-sccvn.c (visit_reference_op_load,
7062         simplify_unary_expression): Likewise.
7063
7064 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
7065
7066         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
7067         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
7068         regardless of their type.
7069         * c-common.c (handle_packed_attribute): Don't ignore packed on
7070         bitfields.
7071         * c.opt (Wpacked-bitfield-compat): New warning option.
7072         * stor-layout.c (place_field): Warn if offset of a field changed.
7073         * doc/extend.texi (packed): Mention the ABI change.
7074         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
7075         (Warning Options): Add it to the list.
7076
7077 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7078
7079         * c-opts.c (c_common_post_options): Fix a typo in comments.
7080
7081 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
7082
7083         PR middle-end/38615
7084         * gimplify.c (gimplify_init_constructor): Fix promotion of const
7085         variables to static.
7086         * doc/invoke.texi (-fmerge-all-constants): Update description.
7087
7088 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
7089
7090         PR target/38931
7091         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
7092         (*movdi_1_rex64): Use type "mmx" for alternative 5.
7093
7094 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
7095
7096         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
7097         a word boundary.
7098         (LOCAL_ALIGNMENT): Similarly.
7099
7100 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
7101             Joseph Myers  <joseph@codesourcery.com>
7102
7103         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
7104         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
7105         * config/arm/arm-tune.md: Regenerate.
7106         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
7107         -march=iwmmxt2.
7108
7109 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
7110
7111         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
7112         version number to five.
7113
7114 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
7115
7116         PR c++/38930
7117         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
7118         * c-common.c (set_underlying_type): Likewise.
7119         (is_typedef_decl ): Likewise
7120         * tree.h: Likewise
7121         (set_underlying_type): Likewise.
7122         (is_typedef_type): Likewise.
7123
7124 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
7125
7126         PR middle-end/38587
7127         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
7128         crossing setjmps.
7129
7130 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
7131
7132         PR bootstrap/37660
7133         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
7134         (LIBGCC_SPEC):  Don't define.
7135         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
7136
7137 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
7138
7139         PR rtl-optimization/38879
7140         * alias.c (base_alias_check): Unaligned access via AND address can
7141         alias all surrounding object types except those with sizes equal
7142         or wider than the size of unaligned access.
7143
7144 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
7145
7146         PR c++/26693
7147         * c-decl.c (clone_underlying_type): Move this ...
7148         * c-common.c (set_underlying_type): ... here.
7149         Also, make sure the function properly sets TYPE_STUB_DECL() on
7150         the newly created typedef variant type.
7151         (is_typedef_decl ): New entry point.
7152         * tree.h: Added a new member member_types_needing_access_check to
7153         struct tree_decl_non_common.
7154         (set_underlying_type): New entry point.
7155         (is_typedef_type): Likewise.
7156
7157 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
7158
7159         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
7160         Check whether two instructions have memory references that
7161         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
7162         are helper functions for traversing.
7163         * alias.h (insn_alias_sets_confilict_p): New prototypes.
7164         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
7165         not to draw dependency edge for instructions with non-conflicting
7166         alias sets.
7167
7168 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
7169
7170         PR other/38758
7171         * longlong.h: Update copyright years.  Use soft-fp license notice.
7172         Sync __clz_tab declaration with glibc.
7173
7174 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
7175
7176         PR target/30687
7177         * doc/extend.texi (syscall_linkage): New.
7178         (version_id): Modify.
7179
7180 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7181             Richard Guenther  <rguenther@suse.de>
7182
7183         PR tree-optimization/38747
7184         PR tree-optimization/38748
7185         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
7186         conversion if the base address is an indirect reference and the
7187         aliasing sets could cause issues.
7188
7189 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
7190
7191         * common.opt (fgraphite, fgraphite-identity): Add comment for
7192         explaining why these options are not documented.
7193
7194 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
7195
7196         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
7197         gimple_call_lhs is NULL.
7198
7199 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
7200
7201         PR target/38868
7202         * emit-rtl.c (adjust_address_1): Make sure memref is never
7203         overwritten.
7204
7205 2009-01-20  Ben Elliston  <bje@au.ibm.com>
7206
7207         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
7208         const qualifier from arg parameter. Remove unnecessary cast to char *.
7209         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
7210         const qualifier from arg 2.
7211
7212 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
7213
7214         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
7215
7216 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
7217
7218         PR c/38869
7219         * rtl.h (reinit_regs): New prototype.
7220         * regclass.c: Include ira.h.
7221         (reinit_regs): New.
7222         * Makefile.in (regclass.o): Add ira.h.
7223         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
7224
7225 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
7226
7227         PR target/38736
7228         * c-common.c (handle_aligned_attribute): Use
7229         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
7230         default alignment value.
7231
7232         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
7233
7234         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
7235         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
7236
7237         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
7238         __BIGGEST_ALIGNMENT__.
7239
7240         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
7241
7242 2009-01-18  Richard Guenther  <rguenther@suse.de>
7243
7244         PR tree-optimization/38819
7245         * tree-flow.h (operation_could_trap_helper_p): Declare.
7246         * tree-eh.c (operation_could_trap_helper_p): Export.
7247         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
7248         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
7249         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
7250         are about to insert a possibly trapping instruction and fail
7251         in this case.
7252
7253 2009-01-18  Andreas Schwab  <schwab@suse.de>
7254
7255         * doc/install.texi (Configuration): Remove obsolete paragraph
7256         about use of --with-gnu-ld with --with-gnu-as.
7257
7258 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
7259
7260         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
7261         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
7262         Follow spelling conventions.
7263
7264 2009-01-18  Ben Elliston  <bje@au.ibm.com>
7265
7266         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
7267         C++ warning about implicit conversion from void * to struct
7268         bitmap_head_def *.
7269         (bitmap_obstack_free): Likewise for bitmap_element *.
7270         * Makefile.in (bitmap.o-warn): Remove.
7271
7272 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
7273
7274         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
7275
7276 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
7277             Tobias Grosser  <tobi.grosser@amd.com>
7278
7279         * graphite.c (graphite_trans_scop_block): Do not block single
7280         nested loops.
7281
7282 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
7283
7284         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
7285         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
7286         test with assertion.
7287
7288 2009-01-16  Richard Guenther  <rguenther@suse.de>
7289
7290         PR tree-optimization/38835
7291         PR middle-end/36227
7292         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
7293         and INT + PTR -> (INT)(PTR p+ INT) folding.
7294         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
7295
7296 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
7297
7298         PR target/38554
7299         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
7300         the subreg from a lowpart subreg if it is also casting the value.
7301
7302 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7303             Tobias Grosser  <tobi.grosser@amd.com>
7304
7305         * graphite.c (compare_prefix_loops): New.
7306         (build_scop_canonical_schedules): Rewritten.
7307         (graphite_transform_loops): Move build_scop_canonical_schedules
7308         after build_scop_iteration_domain.
7309
7310 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7311             Tobias Grosser  <tobi.grosser@amd.com>
7312
7313         * graphite.c (add_conditions_to_domain): Add the loops to
7314         the dimension of the iteration domain.  Do copy the domain
7315         only when it exists.
7316         (build_scop_conditions_1): Do not call add_conditions_to_domain.
7317         (add_conditions_to_constraints): New.
7318         (can_generate_code_stmt, can_generate_code): Removed.
7319         (gloog): Do not call can_generate_code.
7320         (graphite_transform_loops): Call add_conditions_to_constraints
7321         after building the iteration domain.
7322
7323 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
7324
7325         PR tree-optimization/38789
7326         * tree-ssa-threadedge.c
7327         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
7328         __builtin_constant_p.
7329
7330 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
7331
7332         * dce.c (delete_unmarked_insns): Reversed the order that insns are
7333         examined before deleting them.
7334
7335 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
7336
7337         * function.c (aggregate_value_p): Correctly extract the function
7338         type from CALL_EXPR_FN lookup.
7339
7340 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
7341
7342         * config/picochip/picochip.c (picochip_override_options): Revert
7343         CFI asm flag disable commited previously.
7344
7345 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
7346             Tobias Grosser  <tobi.grosser@amd.com>
7347             Jan Sjodin  <jan.sjodin@amd.com>
7348
7349         * graphite.c (scan_tree_for_params): On substractions negate
7350         all the coefficients of the term.
7351         (clast_to_gcc_expression_red): New.  Handle reduction expressions
7352         of more than two operands.
7353         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
7354         (get_vdef_before_scop): Handle also the case of default definitions.
7355
7356 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
7357
7358         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
7359         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
7360         Also use them when walking CALL_INSN_FUNCTION_USAGE.
7361
7362 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
7363             Joey Ye  <joey.ye@intel.com>
7364
7365         PR middle-end/37843
7366         * cfgexpand.c (expand_stack_alignment): Don't update stack
7367         boundary nor check incoming stack boundary here.
7368         (gimple_expand_cfg): Update stack boundary and check incoming
7369         stack boundary here.
7370
7371 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
7372
7373         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
7374
7375 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
7376
7377         PR rtl-optimization/38245
7378         * calls.c (expand_call): Add stack arguments to
7379         CALL_INSN_FUNCTION_USAGE even for pure calls (when
7380         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
7381         in regs and partially in memory or BLKmode arguments.
7382         (emit_library_call_value_1): Add stack arguments to
7383         CALL_INSN_FUNCTION_USAGE even for pure calls (when
7384         ACCUMULATE_OUTGOING_ARGS).
7385         * dce.c: Include tm_p.h.
7386         (find_call_stack_args): New function.
7387         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
7388         argument.
7389         (mark_insn): Call find_call_stack_args for CALL_Ps.
7390         (prescan_insns_for_dce): Walk insns backwards in bb rather than
7391         forwards.  Allocate and free arg_stores bitmap if needed, pass it
7392         down to deletable_insn_p, don't mark stores set in arg_stores
7393         bitmap, clear the bitmap at the beginning of each bb.
7394         * Makefile.in (dce.o): Depend on $(TM_P_H).
7395
7396 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
7397
7398         PR target/22599
7399         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
7400         to make sure the insn is a conditional test (bug 22599).  Reformat a
7401         few long lines.
7402
7403 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
7404
7405         PR middle-end/38431
7406         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
7407         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
7408         (gloog): Do not call cleanup_tree_cfg.
7409         (graphite_transform_loops): Call cleanup_tree_cfg after all
7410         scops have been code generated.
7411
7412 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
7413         * doc/gty.texi (Invoking the garbage collector): Added new node
7414         and section documenting ggc_collect.
7415
7416 2009-01-14  Richard Guenther  <rguenther@suse.de>
7417
7418         PR tree-optimization/38826
7419         PR middle-end/38477
7420         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
7421         initialization notes only if we actually emitted a warning.
7422         (intra_create_variable_infos): Add constraints for a result decl
7423         that is passed by hidden reference.
7424         (build_pred_graph): Mark all related variables non-direct on
7425         address-taking.
7426
7427 2009-01-14  Nick Clifton  <nickc@redhat.com>
7428
7429         * ira-conflicts.c: Include addresses.h for the definition of
7430         base_reg_class.
7431         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
7432         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
7433
7434 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
7435
7436         PR target/38811
7437         * Makefile.in (ira-lives.o): Add except.h.
7438
7439         * ira-lives.c: Include except.h.
7440         (process_bb_node_lives): Process can_throw_internal.
7441
7442 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
7443
7444         PR rtl-optimization/38774
7445         * combine.c (simplify_set): When undoing cc_use change, don't do
7446         PUT_CODE on the newly created comparison, but instead put back the
7447         old comparison.
7448
7449 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
7450
7451         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
7452         values.  Remove duplicate arm8 entry.
7453
7454 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
7455
7456         PR tree-optimization/38786
7457         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
7458         the SSA_NAME case of expand_scalar_variables_expr.
7459         Set the type of an expression to the type of its assign statement.
7460         (expand_scalar_variables_expr): Also gather the scalar computation
7461         used to index the memory access.  Do not pass loop_p.
7462         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
7463         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
7464         the gimple_stmt_iterator where it inserts new code.
7465         Do not pass loop_p.
7466         (copy_bb_and_scalar_dependences): Do not pass loop_p.
7467         (translate_clast): Update call to copy_bb_and_scalar_dependences.
7468
7469 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
7470
7471         * graphite.h (debug_value): Removed.
7472         * graphite.c (debug_value): Removed.
7473
7474 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
7475
7476         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
7477         ldrd/strd with two 32-bit instructions.
7478
7479 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
7480
7481         * config/arm/arm.c (struct processors): Pass for speed down into
7482         cost helper functions.
7483         (const_ok_for_op): Handle COMPARE and inequality nodes.
7484         (arm_rtx_costs_1): Rewrite.
7485         (arm_size_rtx_costs): Update prototype.
7486         (arm_rtx_costs): Pass speed down to helper functions.
7487         (arm_slowmul_rtx_costs): Rework cost calculations.
7488         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
7489         (arm_9e_rtx_costs): Likewise.
7490
7491 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
7492
7493         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
7494         relocations of local symbols wider than UNITS_PER_WORD are not valid.
7495         (alpha_legitimize_address): Do not split local symbols wider than
7496         UNITS_PER_WORD into HIGH/LO_SUM parts.
7497
7498 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
7499
7500         PR bootstrap/38580
7501         * gcc.c (process_command): Replace call to execvp with calls
7502         to pex_one and exit.
7503
7504 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
7505
7506         PR target/29141
7507         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
7508         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
7509         variant for devices with 3-byte PC.
7510         (__tablejump_elpm__): New.
7511
7512 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
7513
7514         PR c/32041
7515         * c-parser.c (c_parser_postfix_expression): Allow `->' in
7516         offsetof member-designator, handle it as `[0].'.
7517
7518 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7519
7520         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
7521         function when not using named sections on targets with named sections
7522         if branch distance is less than 262132.
7523
7524 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
7525
7526         * combine.c (combine_instructions):  Recompute
7527         optimize_this_for_speed_p  for each BB in the main combine loop.
7528
7529 2009-01-12  Tomas Bily  <tbily@suse.cz>
7530
7531         PR middlend/38385
7532         * tree-loop-distribution.c (prop_phis): New function.
7533         (generate_builtin): Call prop_phis.
7534         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
7535
7536 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
7537
7538         PR tree-optimization/38807
7539         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
7540         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
7541
7542 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
7543
7544         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
7545         subreg of op0 to the original op0.
7546
7547 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
7548
7549         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
7550
7551 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
7552
7553         PR debug/7055
7554         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
7555         starting with digits.
7556
7557 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
7558
7559         PR target/38695
7560         * config/arm/arm.c (arm_is_long_call_p): Don't call
7561         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
7562
7563 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
7564
7565         * regrename.c (regrename_optimize): Fix dumping.
7566         (find_oldest_value_reg): Preserve REG_POINTER.
7567         (copy_hardreg_forward_1): Likewise.
7568
7569 2009-01-09  Diego Novillo  <dnovillo@google.com>
7570
7571         * gimple.h (struct gimple_statement_base) <uid>: Document
7572         the restrictions on its use.
7573         (gimple_uid): Tidy.
7574         (gimple_set_uid): Tidy.
7575
7576 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7577
7578         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
7579         zero guard even if align_bytes != 0 and count is smaller than
7580         size_needed.
7581
7582 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
7583
7584         PR rtl-optimization/38495
7585         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
7586         (add_range_and_copies_from_move_list): Print all added ranges.
7587         Add ranges to memory optimized destination.
7588
7589 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7590
7591         PR target/38686
7592         PR target/38708
7593         * config/i386/i386.c (override_options): Reject
7594         -mstringop-strategy=rep_8byte with -m32.
7595         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
7596         to 1.  Do count comparison against epilogue_size_needed at compile
7597         time even when count_exp was constant forced into register.  For
7598         size_needed don't jump to epilogue, instead just avoid aligning
7599         and invoke the body algorithm.  If need_zero_guard, add zero guard
7600         even if count is non-zero, but smaller than size_needed + number of
7601         bytes that could be stored for alignment.
7602         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
7603         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
7604         but smaller than size_needed + number of bytes that could be stored
7605         for alignment.  Compare size_needed with epilogue_size_needed instead
7606         of desired_align - align, don't adjust size_needed, pass
7607         epilogue_size_needed to the epilogue expanders.
7608
7609         PR c/35742
7610         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
7611
7612 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7613
7614         * pa.c (last_address): Change to unsigned.
7615         (update_total_code_bytes): Change argument to unsigned.  Don't
7616         check if insn addresses are set.
7617         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
7618         addresses are not set.
7619         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
7620
7621 2009-01-09  Nick Clifton  <nickc@redhat.com>
7622
7623         * config/sh/symbian.c: Replace uses of DECL_INLINE with
7624         DECL_DECLARED_INLINE_P.
7625
7626 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
7627
7628         PR middle-end/38347
7629         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
7630         GET_MODE (op0) in operand_subword_force calls.
7631
7632         PR middle-end/38771
7633         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
7634         fold_convert arg0 operands to TREE_TYPE (op0) first.
7635
7636 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
7637
7638         * params.def (ira-max-conflict-table-size): Decrease default value
7639         to 1000.
7640
7641 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
7642
7643         PR tree-optimization/37031
7644         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
7645         on parameter_set.
7646         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
7647         allocate it using gc instead of heap, use VEC_quick_push instead of
7648         VEC_safe_push.
7649         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
7650         instead of heap, use VEC_quick_push instead of VEC_safe_push.
7651         * tree-data-ref.h (struct access_matrix): Change matrix to gc
7652         allocated vector from heap allocated.
7653         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
7654         * tree-loop-linear.c (linear_transform_loops): Allocate nest
7655         vector only after perfect_loop_nest_depth call.
7656
7657 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
7658             Jan Sjodin  <jan.sjodin@amd.com>
7659
7660         PR tree-optimization/38559
7661         * graphite.c (debug_value, copy_constraint,
7662         swap_constraint_variables, scale_constraint_variable, ): New.
7663         (get_lower_bound, get_upper_bound): Removed.
7664         (graphite_trans_bb_strip_mine): Clean up this code that works
7665         only for constant number of iterations.  Fully copy upper and
7666         lower bound constraints, not only the constant part of them.
7667         * graphite.h (debug_value): Declared.
7668
7669 2009-01-08  Ira Rosen  <irar@il.ibm.com>
7670
7671         PR tree-optimization/37194
7672         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
7673         Don't add the cost of cost model guard in prologue to scalar
7674         outside cost in case of known number of iterations.
7675
7676 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
7677             Alan Modra  <amodra@bigpond.net.au>
7678
7679         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
7680         non-word-aligned REG+CONST addressing.
7681
7682 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7683
7684         PR target/38706
7685         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
7686         free_after_compilation when outputting a thunk.
7687         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
7688         Do not call free_after_compilation here.
7689
7690 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
7691
7692         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
7693         (ix86_valid_target_attribute_inner_p): Ditto.
7694
7695 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
7696
7697         PR tree-optimization/38492
7698         PR tree-optimization/38498
7699         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
7700         * tree-chrec.h (scev_is_linear_expression): Declared.
7701         * graphite.c (graphite_cannot_represent_loop_niter): New.
7702         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
7703         (graphite_loop_normal_form): Use gcc_assert.
7704         (scan_tree_for_params): Use CASE_CONVERT.
7705         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
7706         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
7707         Use gcc_assert.  Discard scops that contain unhandled cases.
7708         (build_scop_conditions): Return a boolean status for unhandled cases.
7709         (strip_mine_profitable_p): Print the loop number, not its depth.
7710         (is_interchange_valid): Pass the depth of the loop nest, don't
7711         recompute it wrongly.
7712         (graphite_trans_bb_block): Same.
7713         (graphite_trans_bb_block): Print tentative of loop blocking.
7714         (graphite_trans_scop_block): Do not print that the loop has been
7715         blocked.
7716         (graphite_transform_loops): Do not handle scops that contain condition
7717         scalar phi nodes.
7718
7719 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
7720
7721         AVX Programming Reference (December, 2008)
7722         * config/i386/avxintrin.h (_mm256_stream_si256): New.
7723         (_mm256_stream_pd): Likewise.
7724         (_mm256_stream_ps): Likewise.
7725
7726         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
7727         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
7728         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
7729         (bdesc_special_args): Add __builtin_ia32_movntdq256,
7730         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
7731         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
7732         (ix86_expand_special_args_builtin): Likewise.
7733
7734         * config/i386/sse.md (AVXMODEDI): New.
7735         (avx_movnt<mode>): Likewise.
7736         (avx_movnt<mode>): Likewise.
7737         (<sse>_movnt<mode>): Remove AVX support.
7738         (sse2_movntv2di): Likewise.
7739
7740 2009-01-07  Richard Guenther  <rguenther@suse.de>
7741
7742         PR middle-end/38751
7743         * fold-const.c (extract_muldiv): Remove obsolete comment.
7744         (fold_plusminus_mult_expr): Undo MINUS_EXPR
7745         to PLUS_EXPR canonicalization for the canonicalization.
7746
7747 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
7748
7749         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
7750         hosted cross-compilers generating less efficient code.
7751
7752 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7753
7754         * function.h (rtl_data): Add a dbr_scheduled_p field.
7755         * reorg.c (dbr_schedule): Set it.
7756         (gate_handle_delay_slots): Check it.
7757         * config/mips/mips.c (mips_base_delayed_branch): Delete.
7758         (mips_reorg): Check flag_delayed_branch instead of
7759         mips_base_delayed_branch.
7760         (mips_override_options): Don't set mips_base_delayed_branch
7761         or flag_delayed_branch.
7762
7763 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
7764
7765         PR rtl-optimization/38426.
7766         * ira.c (ira): Set current_function_is_leaf earlier.
7767
7768 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
7769
7770         PR rtl-optimization/38722
7771         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
7772         too early, only set a flag and modify after last possible
7773         undo_all point.
7774
7775 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
7776
7777         PR c/34252
7778         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
7779         * real.c (decimal_single_format): Correct values of emin and emax.
7780         (decimal_double_format): Ditto.
7781         (decimal_quad_format): Ditto.
7782         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
7783         computation of DECnn_MIN and DECnn_MAX for corrected values of
7784         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
7785         __DECnn_MIN__, and adjust its computation for the corrected value
7786         of emin.
7787
7788 2009-01-06  Jan Hubicka  <jh@suse.cz>
7789
7790         PR target/38744
7791         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
7792
7793 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
7794
7795         * doc/contrib.texi (Contributors): Slightly adjust the end note.
7796         Add Robert Clark to the list of testers.
7797
7798 2009-01-06  Jan Hubicka  <jh@suse.cz>
7799             Kai Tietz  <kai.tietz@onevision.com>
7800
7801         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
7802         * config/i386/i386.c (ix86_expand_call): Add clobbers.
7803
7804 2009-01-06  Jan Hubicka  <jh@suse.cz>
7805             Kai Tietz  <kai.tietz@onevision.com>
7806
7807         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
7808         for w64 ABI.
7809         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
7810         (ix86_nsaved_regs): Count only general purpose regs.
7811         (ix86_nsaved_sseregs): New.
7812         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
7813         to 16 for w64; compute padding and size of sse reg save area.
7814         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
7815         general purpose regs.
7816         (ix86_emit_save_sse_regs_using_mov): New.
7817         (ix86_expand_prologue): Save SSE regs if needed.
7818         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
7819         (ix86_emit_restore_sse_regs_using_mov): New.
7820         (ix86_expand_epilogue): Save SSE regs if needed.
7821
7822 2009-01-06  Jan Hubicka  <jh@suse.cz>
7823             Kai Tietz  <kai.tietz@onevision.com>
7824
7825         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
7826         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
7827         functions when accumulate outgoing args is off.
7828
7829 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7830
7831         PR bootstrap/38742
7832         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
7833         before using pseudos_have_intersected_live_ranges_p.
7834
7835         * ira-int.h (ira_assert): Always define.
7836
7837 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
7838
7839         AVX Programming Reference (December, 2008)
7840         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
7841         (_mm256_permute2_pd): Likewise.
7842         (_mm_permute2_ps): Likewise.
7843         (_mm256_permute2_ps): Likewise.
7844         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
7845         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
7846
7847         * config/i386/i386.c (ix86_builtins): Remove
7848         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
7849         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
7850         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
7851         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
7852         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
7853         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
7854         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
7855         __builtin_ia32_vpermil2ps256.
7856         (ix86_init_mmx_sse_builtins): Updated.
7857         (ix86_expand_args_builtin): Likewise.
7858
7859 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7860
7861         * pa.c (output_call): Relocate non-jump insns in the delay slot of
7862         long absolute calls when generating PA 2.0 code.
7863
7864 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
7865
7866         PR rtl-optimization/38583
7867         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
7868
7869         * params.def (ira-max-conflict-table-size): New.
7870
7871         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
7872
7873         * ira.h (ira_conflicts_p): New external definition.
7874
7875         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
7876         table.  Report this.  Return result of building.
7877         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
7878         building conflict table.
7879
7880         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
7881         (ira_color): Use ira_conflicts_p.
7882
7883         * global.c: Include ira.h.
7884         (pseudo_for_reload_consideration_p, build_insn_chain): Use
7885         ira_conflicts_p.
7886
7887         * Makefile.in (global.o): Add ira.h.
7888
7889         * ira-build.c (mark_all_loops_for_removal,
7890         propagate_some_info_from_allocno): New.
7891         (remove_unnecessary_allocnos): Call
7892         propagate_some_info_from_allocno.
7893         (remove_low_level_allocnos): New.
7894         (remove_unnecessary_regions): Add parameter.  Call
7895         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
7896         parameter to remove_unnecessary_regions.
7897         (ira_build): Remove all regions but root if the conflict table was
7898         not built.  Update conflict hard regs for allocnos crossing calls.
7899
7900         * ira.c (ira_conflicts_p): New global.
7901         (ira): Define and use ira_conflicts_p.
7902
7903         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
7904         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
7905         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
7906
7907 2009-01-06  Ben Elliston  <bje@au.ibm.com>
7908
7909         * gengtype-lex.l (YY_NO_INPUT): Define.
7910
7911 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7912
7913         PR c/34911
7914         * c-common.c (handle_vector_size_attribute): Also reject
7915         BOOLEAN_TYPE types.
7916
7917 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
7918
7919         PR tree-optimization/38492
7920         * graphite.c (rename_map_elt, debug_rename_elt,
7921         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
7922         rename_map_elt_info, eq_rename_map_elts,
7923         get_new_name_from_old_name, bb_in_sese_p): Moved around.
7924         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
7925         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
7926         (sese_build_livein_liveouts): New.
7927         (new_sese, free_sese): New.
7928         (new_scop): Call new_sese.
7929         (free_scop): Call free_sese.
7930         (rename_variables_from_edge, rename_phis_end_scop): Removed.
7931         (register_old_new_names): Renamed register_old_and_new_names.
7932         (register_scop_liveout_renames, add_loop_exit_phis,
7933         insert_loop_close_phis, struct igp,
7934         default_liveout_before_guard, add_guard_exit_phis,
7935         insert_guard_phis, copy_renames): New.
7936         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
7937         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
7938         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
7939         (scop_adjust_phis_for_liveouts): New.
7940         (gloog): Call scop_adjust_phis_for_liveouts.
7941
7942         * graphite.h (struct sese): Documented.  Added fields liveout,
7943         num_ver and livein.
7944         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
7945         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
7946         (struct scop): Added field liveout_renames.
7947         (SCOP_LIVEOUT_RENAMES): New.
7948
7949 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7950
7951         PR tree-optimization/38510
7952         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
7953         (translate_clast): Call recompute_all_dominators before
7954         graphite_verify.
7955         (gloog): Call recompute_all_dominators before graphite_verify.
7956
7957 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7958             Jan Sjodin  <jan.sjodin@amd.com>
7959
7960         PR tree-optimization/38500
7961         * graphite.c (create_sese_edges): Call fix_loop_structure after
7962         splitting blocks.
7963
7964 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
7965
7966         * config.gcc: Add m32r*-*-rtems*.
7967         * config/m32r/rtems.h: New file.
7968
7969 2009-01-05  Ben Elliston  <bje@au.ibm.com>
7970
7971         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
7972         (.po.pox): Likewise.
7973         (po/gcc.pot): Likewise.
7974
7975 2009-01-04  David S. Miller  <davem@davemloft.net>
7976
7977         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
7978         (STARTING_FRAME_OFFSET): Always set to zero.
7979
7980 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7981
7982         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
7983         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
7984         fixed-point types, and vectors of the same.
7985
7986 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
7987
7988         * config/mips/sync.md (*mb_barrier): Rename to...
7989         (*memory_barrier): ...this.
7990
7991 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
7992
7993         * doc/extend.texi (Function Attributes): Move @cindex after @item
7994         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
7995         and put in alphabetical order. Fix 'target' name and put in order.
7996         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
7997         typos.
7998
7999 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
8000
8001         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
8002         (memory_barrier): Expand as unspec instead of unspec_volatile.
8003         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8004         (*memory_barrier): Define as unspec instead of unspec_volatile.
8005         Use (match_dup 0) as input operand.
8006
8007         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
8008         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
8009         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
8010         scratch register.  Remove operand 1.
8011         (*stbar): Define as unspec instead of unspec_volatile.
8012         Use (match_dup 0) as input operand, remove (const_int 8).
8013         (*membar): Define as unspec instead of unspec_volatile.
8014         Use (match_dup 0) as input operand, remove input operand 2.
8015
8016         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
8017         (memory_barrier): Expand as unspec instead of unspec_volatile.
8018         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8019         (*memory_barrier): Define as unspec instead of unspec_volatile.
8020         Use (match_dup 0) as input operand.
8021
8022         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
8023         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8024         Set volatile flag on operand 0.
8025         (*memory_barrier): New insn pattern.
8026
8027         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
8028         insn operands.
8029         (*memory_barrier): Use (match_dup 0) as input operand.
8030
8031         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
8032         Remove mem:BLK from insn operands.  Use Pmode scratch register.
8033         Set volatile flag on operand 0.
8034         (*mb_internal): New insn pattern.
8035
8036         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
8037
8038 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
8039
8040         PR middle-end/38586
8041         * function.c (struct temp_slot): Move to the section of the file
8042         that deals with temp slots.  Remove field 'address'.
8043         (temp_slot_address_table): New hash table of address -> temp slot.
8044         (struct temp_slot_address_entry): New struct, items for the table.
8045         (temp_slot_address_compute_hash, temp_slot_address_hash,
8046         temp_slot_address_eq, insert_temp_slot_address): Support functions
8047         for the new table.
8048         (find_temp_slot_from_address): Rewrite to use the new hash table.
8049         (remove_unused_temp_slot_addresses): Remove addresses of temp
8050         slots that have been made available.
8051         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
8052         worker function for remove_unused_temp_slot_addresses.
8053         (assign_stack_temp_for_type): Don't clear the temp slot address list.
8054         Add the temp slot address to the address -> temp slot map.
8055         (update_temp_slot_address): Update via insert_temp_slot_address.
8056         (free_temp_slots): Call remove_unused_temp_slot_addresses.
8057         (pop_temp_slots): Likewise.
8058         (init_temp_slots): Allocate the address -> temp slot map, or empty
8059         the map if it is already allocated.
8060         (prepare_function_start): Initialize temp slot processing.
8061
8062 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
8063
8064         PR middle-end/38584
8065         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
8066         Calculate the size of all stack vars assuming no packing of stack
8067         vars will happen, replacing a quadratic algorithm with a linear one.
8068
8069 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
8070
8071         PR target/38707
8072         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
8073         can't be used.
8074
8075 2009-01-03  Diego Novillo  <dnovillo@google.com>
8076
8077         * doc/contrib.texi: Update contributions.
8078
8079 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
8080
8081         PR c++/38705
8082         * builtins.c (fold_builtin_memory_op): Give up if either operand
8083         is volatile.  Set srctype or desttype to non-qualified version
8084         of the other type.
8085
8086         PR c/38700
8087         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
8088         and FUNCTION_DECLs.
8089
8090 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
8091
8092         PR rtl-optimization/35805
8093         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
8094         problem if fast dce is able to remove any instructions.
8095         * dce.c (dce_process_block): Fix dump message.
8096
8097 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
8098
8099         PR 33649
8100         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
8101
8102 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
8103
8104         PR middle-end/38690
8105         * tree-flow.h (op_code_prio, op_prio): New prototypes.
8106         * tree-pretty-print.c (op_code_prio): New function.
8107         (op_prio): No longer static.  Use op_code_prio.
8108         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
8109         Use op_prio and op_code_prio to determine if () should be
8110         printed around operand(s) or not.
8111
8112         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
8113         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
8114         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
8115         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
8116         pp_character instead of pp_string for single letter printing.
8117
8118 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
8119
8120         * doc/extend.texi: Fix '#pragma GCC option' typo.
8121
8122 2009-01-02  Richard Guenther  <rguenther@suse.de>
8123
8124         * doc/install.texi (--enable-checking): Mention different
8125         default for stage1.
8126         (--enable-stage1-checking): Document.
8127
8128 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
8129
8130         PR middle-end/30142
8131         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
8132         case to be an error.
8133
8134 2009-01-02  Ben Elliston  <bje@au.ibm.com>
8135
8136         * config/fp-bit.h (pack_d): Constify argument.
8137         * config/fp-bit.c (makenan): Constify return type. Remove casts.
8138         (isnan): Constify argument.
8139         (isinf): Likewise.
8140         (iszero): Likewise.
8141         (pack_d): Likewise.
8142         (_fpadd_parts): Constify return type.
8143         (_fpmul_parts): Likewise.
8144         (_fpdiv_parts): Likewise.
8145
8146 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
8147
8148         PR c/36489
8149         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
8150         warn about overwriting initializer with side-effects or
8151         -Woverride-init if !IMPLICIT.
8152         (output_init_element): Likewise.  Pass IMPLICIT down to
8153         add_pending_init.
8154         (process_init_element): Add IMPLICIT argument.  Pass it down
8155         to output_init_element.
8156         (push_init_element, pop_init_level, set_designator): Adjust
8157         process_init_element callers.
8158         (set_nonincremental_init, set_nonincremental_init_from_string):
8159         Adjust add_pending_init callers.
8160         (output_pending_init_elements): Adjust output_init_element callers.
8161         * c-tree.h (process_init_element): Adjust prototype.
8162         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
8163         process_init_element callers.
8164
8165 \f
8166 Copyright (C) 2009 Free Software Foundation, Inc.
8167
8168 Copying and distribution of this file, with or without modification,
8169 are permitted in any medium without royalty provided the copyright
8170 notice and this notice are preserved.