gcc/ChangeLog

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