gcc/ChangeLog

   1 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
   2
   3         PR bootstrap/35273
   4         * config.build (build_file_translate): Set to `CMD //c' only if
   5         it works.
   6         * Makefile.in (build_file_translate): Improve comment.
   7
   8 2008-02-21  Jan Hubicka  <jh@suse.cz>
   9
  10         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
  11         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
  12         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
  13
  14 2008-02-21  Michael Matz  <matz@suse.de>
  15
  16         PR target/35264
  17         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
  18
  19 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
  20
  21         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
  22         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
  23         as insn constraint.
  24         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
  25         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
  26         SSE_VEC_FLOAT_MODE_P as insn constraint.
  27         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
  28         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
  29         sse4a_movntdf using MODEF mode iterator.
  30         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
  31         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
  32         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
  33         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
  34         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
  35         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
  36         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
  37
  38 2008-02-21  Richard Guenther  <rguenther@suse.de>
  39
  40         * tree.def (PAREN_EXPR): New tree code.
  41         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
  42         and PAREN_EXPR.
  43         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
  44         * expr.c (expand_expr_real_1): Likewise.
  45         * tree-inline.c (estimate_num_insns_1): Likewise.
  46         * tree-complex.c (expand_complex_move): Likewise.
  47         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
  48         as plain x.
  49
  50 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  51
  52         PR target/35225
  53         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
  54
  55 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  56
  57         PR target/35190
  58         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
  59
  60         * config/sh/sh.c (find_barrier): Don't go past
  61         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
  62
  63 2008-02-20  DJ Delorie  <dj@redhat.com>
  64
  65         * config/h8300/h8300.md (insv): Force source operand to be a register.
  66
  67         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
  68         as a jump, not as a plain insn.
  69
  70 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
  71
  72         * doc/invoke.texi (Warning Options): Add new option
  73         -Wframe-larger-than=.
  74         (-Wframe-larger-than): Document.
  75
  76         * flags.h (warn_frame_larger_than, frame_larger_than_size):
  77         Add declarations for new option variables.
  78
  79         * final.c (final_start_function): Check the frame size
  80         before emission and issue a Wframe-larger-than warning.
  81
  82         * opts.c (warn_frame_larger_than, frame_larger_than_size):
  83         Add definitions for new option variables.
  84         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
  85
  86         * common.opt (Wframe-larger-than=): New option.
  87
  88 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
  89
  90         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
  91         (<sse>_div<mode>3): Ditto.
  92         (<sse>_vmdiv<mode>3): Ditto.
  93         (<sse>_vmsqrt<mode>2): Ditto.
  94         (*smax<mode>3): Ditto.
  95         (sse5_frcz<mode>2): Ditto.
  96         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
  97         as insn constraint.
  98
  99 2008-02-20  Richard Guenther  <rguenther@suse.de>
 100
 101         PR middle-end/35265
 102         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
 103         be happy with INTEGRAL_TYPE_P.
 104
 105 2008-02-20  Richard Guenther  <rguenther@suse.de>
 106
 107         * fold-const.c (split_tree): Associate floatig-point expressions
 108         if flag_associative_math is set.
 109
 110 2008-02-20  Richard Guenther  <rguenther@suse.de>
 111
 112         * tree.h (fold_real_zero_addition_p): Declare.
 113         * fold-const.c (fold_real_zero_addition_p): Export.
 114         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
 115         floating-point operations with zero and one.
 116
 117 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
 118
 119         * doc/install.texi: Correct references to CFLAGS, replacing them
 120         with BOOT_CFLAGS.  Document flags used during bootstrap for
 121         target libraries.
 122
 123 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 124
 125         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
 126         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
 127         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
 128         insn constraint.
 129         (smin<mode>3): Ditto from similar patterns.
 130         (smax<mode>3): Ditto.
 131         (*ieee_smin<mode>3): Ditto.
 132         (*ieee_smax<mode>3): Ditto.
 133         * config/i386/sse.md (sse): New mode attribute.
 134         (mov<mode>): Macroize expander from movv4sf and movv2df using
 135         SSEMODEF2P mode iterator.
 136         (<sse>_movnt<mode>): Ditto from similar patterns. Use
 137         SSE_VEC_FLOAT_MODE_P as insn constraint.
 138         (storent<mode>): Ditto.
 139         (storent<mode>): Macroize expander from storentsf and storentdf using
 140         MODEF mode iterator.
 141         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
 142         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
 143         (abs<mode>2): Ditto from similar patterns.
 144         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
 145         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
 146         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
 147         (<sse>_vmsqrt<mode>2): Ditto.
 148         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
 149         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
 150         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
 151         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
 152         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
 153         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
 154         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
 155         insn constraint.
 156         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
 157         iterator and SSE_FLOAT_MODE_P as insn constraint.
 158         (<sse>_ucomi): Ditto from similar patterns.
 159         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
 160         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
 161         SSE_VEC_FLOAT_MODE_P as insn constraint.
 162         (vcond<mode>): Ditto from similar patterns.
 163         (and<mode>3, *and<mode>3): Ditto.
 164         (<sse>_nand<mode>3): Ditto.
 165         (ior<mode>3, *ior<mode>3): Ditto.
 166         (xor<mode>3, *xor<mode>3): Ditto.
 167         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
 168         iterator and SSE_FLOAT_MODE_P as insn constraint.
 169         (*nand<mode>3): Ditto from similar patterns.
 170         (*ior<mode>3): Ditto.
 171         (*xor<mode>3): Ditto.
 172
 173 2008-02-20  Ira Rosen  <irar@il.ibm.com>
 174
 175         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
 176         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
 177         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
 178
 179 2008-02-19  Jan Hubicka  <jh@suse.cz>
 180
 181         * predict.c (tree_bb_level_predictions): Remove variable next
 182         mistakely introduced by previous commit.
 183
 184 2008-02-19  Jan Hubicka  <jh@suse.cz>
 185
 186         * predict.c (predict_paths_leading_to): Rewrite.
 187         (predict_paths_for_bb): New.
 188         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
 189
 190 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 191
 192         PR bootstrap/35218
 193         * Makefile.in (build_file_translate): New.
 194         (gcc-vers.texi): Use it for translating $(abs_srcdir).
 195         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
 196         * configure.ac (build_file_translate): Substitute it.
 197         * configure: Regenerate.
 198
 199 2008-02-19  Jan Hubicka  <jh@suse.cz>
 200
 201         PR rtl-optimization/34408
 202         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
 203         invalid sharing.
 204
 205 2008-02-19  Jan Hubicka  <jh@suse.cz>
 206
 207         PR middle-end/28779
 208         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
 209         call_expr.
 210
 211 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
 212
 213         PR Ada/35186
 214         * config/i386/i386-modes.def: Revert the last DI alignment
 215         change until Ada people can look into it.
 216
 217 2008-02-19  Nick Clifton  <nickc@redhat.com>
 218
 219         * opts.c (print_specific_help): Fix typo in --help text.
 220
 221 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
 222
 223         PR target/35239
 224         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
 225         32-bit inline asm without asm alternatives for host GCC < 3.0.
 226
 227 2008-02-19  Richard Guenther  <rguenther@suse.de>
 228
 229         PR tree-optimization/34989
 230         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
 231         Allow propagation to INDIRECT_REF if we can simplify only.
 232
 233 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 234
 235         * c-common.c (warn_for_collisions_1): Use appropriate option when
 236         warning.
 237
 238 2008-02-19  Nick Clifton  <nickc@redhat.com>
 239
 240         PR other/31349
 241         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
 242         (handle_options): Fix indentation.
 243         (print_filtered_help): If no language-specific options were
 244         displayed tell the user how to list all the options supported by
 245         the language's front-end.
 246         (print_specific_help): Fix indentation and remove duplicate line.
 247         (common_handle_option): Handle the -v option.
 248         For --help enable the display of undocumented options if the -v
 249         switch has been included on the command line.
 250         For --help= check for overlaps in the arguments between the option
 251         classes and the language names and issue a warning when they
 252         cannot be disambiguated.
 253         * c.opt (v): Pass on to the common option handler.
 254
 255 2008-02-19  Revital Eres  <eres@il.ibm.com>
 256
 257         * modulo-sched.c (sms_schedule): Change dump message when
 258         create_ddg function fails.
 259         (try_scheduling_node_in_cycle): Rename row to cycle.
 260         (print_partial_schedule): Rename CYCLE to ROW.
 261
 262 2008-02-19  Christian Bruel  <christian.bruel@st.com>
 263             Zdenek Dvorak  <ook@ucw.cz>
 264
 265         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
 266
 267 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 268
 269         PR target/33555
 270         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
 271         (*x86_movdicc_0_m1_se): Ditto.
 272
 273 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 274
 275         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
 276         (CMPtype): Define as __gcc_CMPtype.
 277         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
 278         (CMPtype): Define as __gcc_CMPtype.
 279
 280 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
 281
 282         Support valgrind 3.3 for --enable-checking=valgrind.
 283         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
 284         here.
 285         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
 286         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
 287         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
 288         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
 289         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
 290         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
 291         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
 292         respectively.
 293         * ggc-zone.c: Similar.
 294         * ggc-page.c: Similar.
 295
 296 2008-02-19  Paul Brook  <paul@codesourcery.com>
 297
 298         PR target/35071
 299         * config/arm/ieee754-df.S: Fix do_it typo.
 300         * config/arm/ieee754-sf.S: Fix do_it typo.
 301
 302 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 303
 304         PR target/35189
 305         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
 306         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
 307         (OPTION_MASK_ISA_SSE_SET): Likewise.
 308         (OPTION_MASK_ISA_SSE2_SET): Likewise.
 309         (OPTION_MASK_ISA_SSE3_SET): Likewise.
 310         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
 311         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
 312         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
 313         (OPTION_MASK_ISA_SSE4_SET): Likewise.
 314         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
 315         (OPTION_MASK_ISA_SSE5_SET): Likewise.
 316         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
 317         (OPTION_MASK_ISA_MMX_UNSET): Updated.
 318         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
 319         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
 320         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
 321         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
 322         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
 323         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
 324         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
 325         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
 326         (OPTION_MASK_ISA_SSE4): Removed.
 327         (ix86_handle_option): Turn on bits in ix86_isa_flags and
 328         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
 329         -mXXX.
 330         (override_options): Don't turn on implied SSE/MMX bits in
 331         ix86_isa_flags.
 332
 333 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 334
 335         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 336         32bit host.
 337
 338 2008-02-18  Joey Ye  <joey.ye@intel.com>
 339
 340         PR middle-end/34921
 341         * tree-nested.c (insert_field_into_struct): Set type alignment
 342         to field alignment if the former is less than the latter.
 343
 344 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
 345
 346         * BASE-VER: Set to 4.4.0.
 347
 348 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 349
 350         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
 351         * doc/cfg.texi: Likewise.
 352         * doc/extend.texi: Likewise.
 353         * doc/gty.texi: Likewise.
 354         * doc/invoke.texi: Likewise.
 355         * doc/loop.texi: Likewise.
 356         * doc/md.texi: Likewise.
 357         * doc/passes.texi: Likewise.
 358         * doc/rtl.texi: Likewise.
 359         * doc/sourcebuild.texi: Likewise.
 360         * doc/tm.texi: Likewise.
 361         * doc/tree-ssa.texi: Likewise.
 362
 363 2008-02-17  Richard Guenther  <rguenther@suse.de>
 364
 365         PR middle-end/35227
 366         * tree-complex.c (init_parameter_lattice_values): Handle parameters
 367         without default definition.
 368
 369 2008-02-17  Richard Guenther  <rguenther@suse.de>
 370
 371         PR tree-optimization/35231
 372         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
 373         if A | B != 1.
 374
 375 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
 376
 377         Revert:
 378
 379         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 380         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 381         libgcc_cmp_return mode.
 382
 383 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 384
 385         PR c/28368
 386         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
 387
 388 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
 389
 390         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
 391         multilibs.
 392
 393 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 394
 395         * doc/c-tree.texi: Use `@.' where appropriate.
 396         * doc/extend.texi: Likewise.
 397         * doc/install.texi: Likewise.
 398         * doc/invoke.texi: Likewise.
 399         * doc/loop.texi: Likewise.
 400         * doc/makefile.texi: Likewise.
 401         * doc/md.texi: Likewise.
 402         * doc/passes.texi: Likewise.
 403         * doc/standards.texi: Likewise.
 404         * doc/tm.texi: Likewise.
 405
 406 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 407
 408         PR middle-end/35196
 409         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
 410         in entry_bb.
 411         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
 412         rather than in entry_bb.
 413
 414 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 415
 416         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 417         libgcc_cmp_return mode.
 418
 419 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 420
 421         PR middle-end/35130
 422         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
 423         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
 424
 425 2008-02-15  Richard Guenther  <rguenther@suse.de>
 426             Zdenek Dvorak  <ook@ucw.cz>
 427
 428         PR tree-optimization/35164
 429         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
 430         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
 431         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
 432         Only propagate addresses which do not have abnormal SSA_NAMEs
 433         in their operands.
 434
 435 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
 436
 437         PR target/35088
 438         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
 439
 440 2008-02-15  Jan Hubicka  <jh@suse.cz>
 441
 442         PR middle-end/35149
 443         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
 444
 445 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 446
 447         PR middle-end/34621
 448         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
 449         when calculating alignment_pad.
 450
 451 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 452
 453         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
 454         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
 455         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
 456         and STACK_BOUNDARY define.
 457
 458 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
 459
 460         PR preprocessor/35061
 461         * c-pragma.c (handle_pragma_pop_macro): Check that
 462         pushed_macro_table has been allocated.
 463
 464 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 465
 466         PR middle-end/35136
 467         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
 468         (force_gimple_operand): Likewise.
 469         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
 470         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
 471         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
 472         (find_interesting_uses_address): Check addressability and alignment
 473         of the base expression only after substituting bases of IVs into it.
 474
 475 2008-02-14  Michael Matz  <matz@suse.de>
 476
 477         PR target/34930
 478         * function.c (instantiate_virtual_regs_in_insn): Reload address
 479         before falling back to reloading the whole operand.
 480
 481 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 482
 483         * config/s390/s390.c (s390_mainpool_start): Emit the pool
 484         before the first section switch note.
 485
 486 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 487
 488         * doc/bugreport.texi: Update copyright years.
 489         * doc/c-tree.texi: Likewise.
 490         * doc/cfg.texi: Likewise.
 491         * doc/cpp.texi: Likewise.
 492         * doc/cppinternals.texi: Likewise.
 493         * doc/fragments.texi: Likewise.
 494         * doc/frontends.texi: Likewise.
 495         * doc/gcc.texi: Likewise.
 496         * doc/gty.texi: Likewise.
 497         * doc/hostconfig.texi: Likewise.
 498         * doc/implement-c.texi: Likewise.
 499         * doc/libgcc.texi: Likewise.
 500         * doc/loop.texi: Likewise.
 501         * doc/makefile.texi: Likewise.
 502         * doc/options.texi: Likewise.
 503         * doc/passes.texi: Likewise.
 504         * doc/rtl.texi: Likewise.
 505         * doc/sourcebuild.texi: Likewise.
 506         * doc/standards.texi: Likewise.
 507         * doc/tree-ssa.texi: Likewise.
 508         * doc/trouble.texi: Likewise.
 509
 510         * doc/extend.texi: Use @: or add comma where appropriate.
 511         * doc/invoke.texi: Likewise.
 512         * doc/tm.texi: Likewise.
 513
 514 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
 515
 516         PR target/34393
 517         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
 518         to a reg.
 519
 520 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
 521
 522         * doc/md.texi (clz, ctz): Add reference.
 523         * doc/rtl.texi (clz, ctz): Likewise.
 524
 525 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 526
 527         PR other/35148
 528         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
 529         srcdir.
 530
 531 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
 532
 533         * config/s390/s390.c (struct constant_pool): New field
 534         emit_pool_after added.
 535         (s390_mainpool_start): Set the emit_pool_after flag according
 536         to the section switch notes.
 537         (s390_mainpool_finish): Consider emit_pool_after when emitting
 538         the literal pool at the end of the function.
 539         (s390_chunkify_start): Force literal pool splits at section
 540         switch notes.
 541
 542 2008-02-13  Michael Matz  <matz@suse.de>
 543
 544         PR debug/35065
 545         * var-tracking.c (clobber_variable_part): Correctly traverse the
 546         list.
 547
 548 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 549
 550         PR 29673
 551         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
 552         Add -fdump-ipa-inline.
 553         * tree-dump.c (dump_files): Remove tree-inlined dump.
 554         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
 555
 556 2008-02-12  Richard Guenther  <rguenther@suse.de>
 557
 558         PR tree-optimization/35171
 559         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
 560         default defs.
 561
 562 2008-02-12  Richard Guenther  <rguenther@suse.de>
 563
 564         PR middle-end/35163
 565         * fold-const.c (fold_widened_comparison): Use get_unwidened in
 566         value-preserving mode.  Disallow final truncation.
 567
 568 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
 569
 570         PR middle-end/35136
 571         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
 572         code from here to...
 573         (force_gimple_operand): ...here.
 574
 575 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
 576
 577         PR c++/35144
 578         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
 579         non-compatible pointers.
 580         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
 581         different FIELD_DECLs, try harder by comparing field offsets, sizes
 582         and types.
 583
 584         PR inline-asm/35160
 585         * function.c (match_asm_constraints_1): Don't replace the same input
 586         multiple times.
 587
 588 2008-02-12  Anatoly Sokolov <aesok@post.ru>
 589
 590         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
 591         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
 592         (expand_epilogue): Restore RAMPZ register.
 593         * config/avr/avr.md (RAMPZ_ADDR): New constant.
 594
 595 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
 596
 597         * config/i386/cygwin.asm: (__alloca): Correct calling
 598         convention and alignment.
 599         (__chkstk): Force 8 byte stack alignment.
 600
 601 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
 602             Richard Guenther  <rguenther@suse.de>
 603
 604         PR tree-optimization/33992
 605         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
 606         the zero we compare against.
 607
 608 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
 609
 610         PR libfortran/35063
 611         * gthr-win32.h (__gthread_mutex_destroy_function): New function
 612         to CloseHandle after unlocking to prevent accumulation of handle
 613         count.
 614
 615 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 616
 617         PR middle_end/34150
 618         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
 619         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
 620         and update LABEL_NUSES during and after reload.
 621
 622 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
 623
 624         PR middle-end/34627
 625         * combine.c (simplify_if_then_else): Make sure the comparison is
 626         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
 627
 628 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
 629
 630         PR bootstrap/35051
 631         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
 632         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
 633         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
 634         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
 635         * tree.h (get_type_static_bounds): Likewise.
 636
 637 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 638
 639         * doc/invoke.texi (Option Summary, C++ Dialect Options)
 640         (Objective-C and Objective-C++ Dialect Options, Warning Options):
 641         Make -Wfoo language annotations match what the compiler outputs.
 642
 643 2008-02-08  Sa Liu  <saliu@de.ibm.com>
 644
 645         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
 646         intrinsics spu_convts, spu_convtu, spu_convtf.
 647         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
 648
 649 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
 650
 651         * doc/extend.texi (Function Attributes) <noinline>: Mention
 652         asm ("") as method to keep calls.
 653
 654 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 655
 656         PR other/32754
 657         * doc/options.texi (Options): Replace references to opts.sh with
 658         optc-gen.awk.
 659         * opts-common.c: Likewise.
 660         * optc-gen.awk: Likewise.
 661
 662 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 663
 664         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
 665
 666 2008-02-07  Richard Henderson  <rth@redhat.com>
 667
 668         PR rtl-opt/33410
 669         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
 670         EXPR_LIST for the REG_EQUAL instead of a comparison with a
 671         funny mode.
 672
 673 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
 674
 675         PR tree-optimization/35085
 676         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
 677         for operand entry oe2 in addition to operand entry oe3 in order to
 678         expose more opportunities for vectorizer sum reduction.
 679
 680 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 681
 682         PR other/35107
 683         * Makefile.in (LIBS): Remove $(GMPLIBS).
 684         (cc1-dummy, cc1): Add $(GMPLIBS).
 685
 686 2008-02-06  Jan Hubicka  <jh@suse.cz>
 687
 688         PR target/23322
 689         * i386.md (moddf_integer): Do not produce partial memory stalls for
 690         targets where it hurts.
 691
 692 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
 693
 694         PR target/35083
 695         * optabs.c (expand_float): Do not check for decimal modes when
 696         expanding unsigned integer through signed conversion.
 697
 698 2008-02-06  Nick Clifton  <nickc@redhat.com>
 699
 700         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
 701         inside the clobber with a match_operand and duplicated operand
 702         number in the constraint.
 703         (ineqbranchsi): Delete redundant comment.
 704
 705 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
 706
 707         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
 708         builtin_define ("__USE_INIT_FINI__").
 709         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
 710         -msx multilibs.
 711         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
 712
 713 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 714
 715         PR documentation/30330
 716         * doc/invoke.texi (C++ Dialect Options)
 717         (Objective-C and Objective-C++ Dialect Options, Warning Options):
 718         For each warning option -Wfoo that allows -Wno-foo, ensure both
 719         -Wfoo and -Wno-foo are listed in the option index.  Fix index
 720         entry of -Wswitch-default, index -Wnormalized= including the
 721         `=', and -Wlarger-than-@var{len} including @var{len}.
 722
 723 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
 724
 725         * config/i386/i386.md (floatunssisf2): Use
 726         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
 727         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
 728         Macroize expander using MODEF mode iterator.
 729
 730 2008-02-05  Diego Novillo  <dnovillo@google.com>
 731
 732         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
 733
 734         PR 33738
 735         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
 736
 737 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 738
 739         PR other/35070
 740         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
 741
 742 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
 743
 744         PR target/35084
 745         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
 746         to indicate if a message should be generated.
 747         (init_cumulative_args): Updated.
 748         (function_value_32): Likewise.
 749
 750 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
 751
 752         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
 753
 754 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
 755
 756         PR target/35083
 757         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
 758         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
 759
 760 2008-02-04  Diego Novillo  <dnovillo@google.com>
 761
 762         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
 763
 764         PR 33738
 765         * tree-vrp.c (vrp_evaluate_conditional): With
 766         -Wtype-limits, emit a warning when comparing against a
 767         constant outside the natural range of OP0's type.
 768
 769 2008-02-04  Richard Guenther  <rguenther@suse.de>
 770
 771         PR middle-end/33631
 772         * expr.c (count_type_elements): Give for unions instead of
 773         guessing.
 774
 775 2008-02-04  Richard Guenther  <rguenther@suse.de>
 776
 777         PR middle-end/35043
 778         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
 779         to TYPE_DOMAINs base type instead of using bitsizetype here.
 780
 781 2008-02-03  Jason Merrill  <jason@redhat.com>
 782
 783         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
 784
 785 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 786
 787         PR other/29972
 788         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
 789         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
 790         (RS/6000 and PowerPC Options): Fix typos and markup.
 791         * doc/passes.texi (Tree-SSA passes): Likewise.
 792
 793 2008-02-02  Michael Matz  <matz@suse.de>
 794
 795         PR target/35045
 796         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
 797         from record_last_reg_set_info.
 798         (record_last_reg_set_info): Take an RTX argument, iterate over all
 799         constituent hardregs.
 800         (record_last_set_info, record_opr_changes): Change calls to
 801         new signature or to record_last_reg_set_info_regno.
 802
 803 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
 804
 805         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
 806
 807 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
 808
 809         PR rtl-optimization/34773
 810         * reg-notes.def (EQUAL): Mention significance of combination of
 811         REG_EQUAL and REG_RETVAL.
 812         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
 813         insn that has a REG_RETVAL.
 814
 815 2008-02-01  Roger Sayle  <roger@eyesopen.com>
 816
 817         PR bootstrap/33781
 818         * configure.ac (--enable-fixed-point): Disable unless explicitly
 819         requested on IRIX.
 820         * configure: Regenerate.
 821
 822 2008-02-01  Richard Guenther  <rguenther@suse.de>
 823
 824         PR other/35042
 825         * invoke.texi (-finline-limit): Remove no longer true parts
 826         of the documentation.  Note that there is no default value.
 827
 828 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
 829             Mark Mitchell  <mark@codesourcery.com>
 830             Ben Elliston  <bje@au.ibm.com>
 831
 832         PR c/29326
 833         * doc/extend.texi (Other Builtins): Document.
 834
 835 2008-01-31  Tom Browder <tom.browder@gmail.com>
 836
 837         * doc/c-tree.texi (Types): Fix grammar.
 838         (Expression trees): Ditto.
 839         * doc/passes.texi (Tree-SSA passes): Ditto.
 840
 841         * doc/configterms.texi (Configure Terms): Fix typo.
 842         * doc/cpp.texi (Common Predefined Macros): Ditto.
 843         * doc/md.texi (Machine Constraints): Ditto.
 844
 845         * doc/makefile.texi (Makefile): Add comma.
 846
 847 2008-01-31  Tom Browder  <tom.browder@gmail.com>
 848             Gerald Pfeifer  <gerald@pfeifer.com>
 849
 850         * doc/sourcebuild.texi (Front End): Remove references to CVS
 851         and CVSROOT/modules.
 852         (Texinfo Manuals): Replace reference to CVS by one to SVN.
 853         (Back End): Remove reference to CVS.
 854
 855 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
 856
 857         PR target/34900
 858         * config/mips/mips.c (gen_load_const_gp): New function, taking a
 859         comment from...
 860         (mips16_gp_pseudo_reg): ...here.
 861         * config/mips/mips.md (load_const_gp): Replace with...
 862         (load_const_gp_<mode>): ...this :P-based insn.
 863
 864 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 865
 866         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
 867         options. Minor fixes.
 868         (-std): Move reference to standards closer to where language
 869         standards are first mentioned.
 870
 871 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
 872
 873         PR rtl-optimization/34995
 874         * reload.c (alternative_allows_const_pool_ref): Take an rtx
 875         parameter and return a bool.  If the rtx parameter is nonnull,
 876         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
 877         (find_reloads): Update call accordingly.  Pass the new operand
 878         if it needed no address reloads, otherwise pass null.
 879
 880 2008-01-30  Richard Henderson  <rth@redhat.com>
 881
 882         PR c/34993
 883         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
 884         for unbounded arrays.
 885
 886 2008-01-30  Silvius Rus  <rus@google.com>
 887
 888         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
 889
 890 2008-01-30  Jan Hubicka  <jh@suse.cz>
 891
 892         PR target/34982
 893         * i386.c (init_cumulative_args): Use real function declaration when
 894         calling locally.
 895
 896 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
 897
 898         PR rtl-optimization/34998
 899         * global.c (build_insn_chain): Treat non-subreg_lowpart
 900         SUBREGs of pseudos as clobbering all the words covered by the
 901         SUBREG, not just all the bytes.
 902         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
 903         original df_ref rather than an extract parameter.
 904         (global_conflicts): Update call accordingly.
 905
 906 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
 907
 908         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
 909         the overflow check to make it easier to read.
 910         (__fixtfdi): Change the type of the ll member in union
 911         long_double to UDItype_x.
 912
 913 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
 914
 915         PR middle-end/34969
 916         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
 917         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
 918         * tree-inline.c (fold_marked_statements): Call
 919         cgraph_update_edges_for_call_stmt if folding a call statement.
 920         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
 921         debug_generic_stmt calls, reset it back afterwards.
 922
 923         PR c/35017
 924         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
 925         static decls.
 926         * c-typeck.c (build_external_ref): Don't pedwarn about
 927         static vars in current function's scope.
 928
 929 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
 930
 931         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
 932
 933 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
 934
 935         PR c/35002
 936         * ipa-struct-reorg.c: Fix spelling.
 937         * params.def: Ditto.
 938
 939 2008-01-29  Richard Guenther  <rguenther@suse.de>
 940
 941         PR middle-end/35006
 942         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
 943         field.
 944         * tree-inline.c (remap_type): Increment remapping_type_depth
 945         around remapping types.
 946         (copy_body_r): Only add referenced variables if they are referenced
 947         from code, not types.
 948
 949 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
 950
 951         PR c++/34055
 952         PR c++/34103
 953         PR c++/34219
 954         PR c++/34606
 955         PR c++/34753
 956         PR c++/34754
 957         PR c++/34755
 958         PR c++/34919
 959         PR c++/34961
 960         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
 961         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
 962
 963 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
 964
 965         PR target/34412
 966         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
 967         pointer for tiny stack.
 968
 969 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 970
 971         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
 972
 973 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 974
 975         * config/vx-common.h: Fix typo in comment.
 976
 977 2008-01-28  Ian Lance Taylor  <iant@google.com>
 978
 979         PR c++/34862
 980         PR c++/33407
 981         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
 982         coalesce pointers if they have different DECL_NO_TBAA_P values.
 983         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
 984         between variables with different DECL_NO_TBAA_P values.
 985
 986 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
 987
 988         PR 31535
 989         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
 990         are not legitimate small data references on SPE targets.
 991
 992 2008-01-28  David Daney  <ddaney@avtrex.com>
 993
 994         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
 995
 996 2008-01-28  David Daney  <ddaney@avtrex.com>
 997
 998         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
 999
1000 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1001
1002         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1003         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1004         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1005         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1006         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1007         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1008         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1009         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1010
1011 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1012
1013         * basic-block.h (condjump_equiv_p): Fix comment.
1014
1015 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1016
1017         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1018         print_generic_stmt_indented): Fix comment.
1019
1020 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1021
1022         * configure.ac (__stack_chk_fail): Add detecion for availability
1023         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1024         * configure: Regenerate.
1025
1026 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1027
1028         PR middle-end/34688
1029         * final.c (output_addr_const): Handle TRUNCATE.
1030
1031 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1032
1033         PR target/34711
1034         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1035         (zero_cost, infinite_cost): New constants.
1036         (struct cost_pair): Change type of cost to comp_cost.
1037         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1038         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1039         New functions.
1040         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1041         split_address_cost, ptr_difference_cost, difference_cost,
1042         get_computation_cost_at, get_computation_cost,
1043         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1044         determine_use_iv_cost_condition, determine_use_iv_costs,
1045         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1046         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1047         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1048         Change type of cost to comp_cost.
1049         (determine_iv_cost): Increase cost of non-original ivs, instead
1050         of decreasing the cost of original ones.
1051         (get_address_cost): Indicate the complexity of the addressing mode
1052         in comp_cost.
1053         (try_add_cand_for): Prefer using ivs not specific to some object.
1054         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1055
1056 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1057             Janis Johnson  <janis187@us.ibm.com>
1058
1059         PR target/34814
1060         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1061         (TARGET_INSTANTIATE_DECLS): Likewise.
1062         * target.h (expand_to_rtl_hook): New target hook.
1063         (instantiate_decls): Likewise.
1064         * function.c (instantiate_decl): Make non-static.  Rename to...
1065         (instantiate_decl_rtl): ... this.
1066         (instantiate_expr): Use instantiate_decl_rtl.
1067         (instantiate_decls_1): Likewise.
1068         (instantiate_decls): Likewise.
1069         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1070         * function.h (instantiate_decl_rtl): Add prototype.
1071         * cfgexpand.c (target.h): New include.
1072         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1073         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1074         (TARGET_INSTANTIATE_DECLS): Likewise.
1075         (TARGET_INITIALIZER): New target hooks added.
1076         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1077         New prototype.
1078         * config/rs6000/rs6000.c (tree-flow.h): New include.
1079         (machine_function): Add sdmode_stack_slot field.
1080         (rs6000_alloc_sdmode_stack_slot): New function.
1081         (rs6000_instantiate_decls): Likewise.
1082         (rs6000_secondary_memory_needed_rtx): Likewise.
1083         (rs6000_check_sdmode): Likewise.
1084         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1085         (TARGET_INSTANTIATE_DECLS): Likewise.
1086         (rs6000_hard_regno_mode_ok): Allow SDmode.
1087         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1088         (rs6000_emit_move): Handle SDmode.
1089         (function_arg_advance): Likewise.
1090         (function_arg): Likewise.
1091         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1092         SDmode var args for 32-bit compiles.
1093         (rs6000_secondary_reload_class): Handle SDmode.
1094         (rs6000_output_function_epilogue): Likewise.
1095         (rs6000_function_value): Simplify if statement.
1096         (rs6000_libcall_value): Likewise.
1097         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1098         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1099         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1100         (movsd_hardfloat): New define_insn.
1101         (movsd_softfloat): Likewise.
1102         (movsd_store): Likewise.
1103         (movsd_load): Likewise.
1104         (extendsddd2): Likewise.
1105         (extendsdtd2): Likewise.
1106         (truncddsd2): Likewise.
1107         (movdd_hardfloat64): Fixup comment.
1108         (UNSPEC_MOVSD_LOAD): New constant.
1109         (UNSPEC_MOVSD_STORE): Likewise.
1110
1111 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1112
1113         PR c++/34965
1114         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1115         TRUTH_XOR_EXPR.
1116         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1117         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1118         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1119         and TRUTH_XOR_EXPR.
1120
1121 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
1122
1123         PR target/34794
1124         * config.gcc: Separate AIX 5.3 from AIX 6.1.
1125         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1126         __LONGDOUBLE128 too.
1127         * config/rs6000/aix61.h: New file.
1128
1129 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1130
1131         PR rtl-optimization/34959
1132         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1133         popcount and parity rtxes the same mode as their operand.
1134         Truncate or extend the result to the return value's mode
1135         if necessary.
1136
1137 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1138
1139         PR target/34981
1140         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1141         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1142         to GOT_VERSION_REGNUM.
1143         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1144         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1145         * config/mips/mips.c (mips_emit_call_insn): New function.
1146         (mips_call_tls_get_addr): Call mips_expand_call directly.
1147         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1148         emit_call_insn.
1149         (mips16_build_call_stub): Likewise.  Return the call insn or null.
1150         (mips_expand_call): Update the call to mips16_build_call_stub
1151         accordingly and a remove redundant condition.  Assert that MIPS16
1152         stubs do not use lazy binding.  Use mips_emit_call_insn and return
1153         the call insn.
1154         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1155         TARGET_USE_GOT.
1156         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1157         (mips_avoid_hazard): Remove hazard_set handling.
1158         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1159         (UNSPEC_RESTORE_GP): ...this.
1160         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1161         (FAKE_CALL_REGNO): Rename to...
1162         (GOT_VERSION_REGNUM): ...this.
1163         (type): Add "ghost" value.  Add an associated insn reservation.
1164         (hazard_set): Remove.
1165         (exception_receiver): Rename to...
1166         (restore_gp): ...this and update the unspec identifier accordingly.
1167         (exception_receiver, nonlocal_got_receiver): New expanders.
1168         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
1169         FAKE_CALL_REGNO.  Remove hazard_set attribute.
1170         (set_got_version, update_got_version): New patterns.
1171
1172 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
1173
1174         PR target/34970
1175         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1176
1177 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1178
1179         PR other/31955
1180         * doc/install.texi2html: Generate gcc-vers.texi.
1181
1182 2008-01-25  DJ Delorie  <dj@redhat.com>
1183
1184         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1185
1186 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1187
1188         * config/c4x: Remove directory.
1189         * config.gcc (crx-*, mt-*): Mark obsolete.
1190         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1191         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1192         sh-*-rtemscoff*): Remove cases.
1193         * defaults.h (C4X_FLOAT_FORMAT): Remove.
1194         * real.c (encode_c4x_single, decode_c4x_single,
1195         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1196         c4x_extended_format): Remove.
1197         * real.h (c4x_single_format, c4x_extended_format): Remove.
1198         * doc/extend.texi (interrupt, naked): Remove mention of attributes
1199         on C4x.
1200         (Pragmas): Remove comment about c4x pragmas.
1201         * doc/install.texi (c4x): Remove target-specific instructions.
1202         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1203         * doc/md.texi (Machine Constraints): Remove C4x documentation.
1204         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1205         refer to C4x source files as examples.
1206         (C4X_FLOAT_FORMAT): Remove documentation.
1207
1208 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
1209
1210         * config/bfin/bfin.c (override_options): Reorder tests so that
1211         flag_pic gets enabled for -msep-data.
1212
1213 2008-01-25  Richard Guenther  <rguenther@suse.de>
1214
1215         PR middle-end/32244
1216         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1217         to its bitfield precision if required.
1218
1219 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1220
1221         PR middle-end/33880
1222         * tree-nested.c (walk_omp_for): New function.
1223         (convert_nonlocal_reference, convert_local_reference): Call
1224         walk_omp_for on OMP_FOR.
1225         (convert_call_expr): Call walk_body on OMP_FOR's
1226         OMP_FOR_PRE_INIT_BODY.
1227
1228 2008-01-25  Richard Guenther  <rguenther@suse.de>
1229
1230         PR tree-optimization/34966
1231         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1232         default defs and PHI_NODEs we have to insert after the
1233         defining statement.
1234
1235 2008-01-24  Nick Clifton  <nickc@redhat.com>
1236
1237         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1238         Provide a default definition.
1239         (LIBGCC2_UNITS_PER_WORD): Likewise.
1240
1241         * config/stormy16/stormy16.c: Include df.h for the prototype
1242         for df_regs_ever_live_p.
1243         (xstormy16_expand_builtin_va_start): Convert the stack offset
1244         into a component_ref and then use POINTER_PLUS_EXPR to add it
1245         to the incoming_virtual_args_rtx.
1246         (xstormy16_gimplify_va_arg_expr): Rename to
1247         xstormy16_gimplify_va_arg_expr.
1248         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1249         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1250         xstormy16_gimplify_va_arg_expr.
1251         Fix up some formatting issues.
1252
1253         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1254         Move to predicates.md.
1255         (xs_hi_general_operand): Likewise.
1256         (xs_hi_nonmemory_operand): Likewise.
1257         * config/stormy16/predicates.md:
1258         (xstormy16_carry_plus_operand): New predicate.
1259         (xs_hi_general_operand): New predicate.
1260         (xs_hi_nonmemory_operand): New predicate.
1261         * config/stormy16/stormy16-protos.h:
1262         (xstormy16_carry_plus_operand): Delete prototype.
1263         (xs_hi_general_operand): Likewise.
1264         (xs_hi_nonmemory_operand): Likewise.
1265
1266         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1267         modifiers as they are no longer needed and they can trigger
1268         reload spill failures.
1269
1270         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1271         with a match_operand in order to help reload.
1272
1273         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1274         constraint with 'e' for the 8th alternative as this version of
1275         the mov.w instruction only accepts the lower 8 registers.
1276
1277 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
1278
1279         PR target/34856
1280         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1281         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1282         vector elements.
1283
1284 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1285
1286         PR middle-end/33333
1287         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1288
1289 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1290
1291         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1292         New functions.
1293         (remove_structure): Update allocations list before removing structure.
1294
1295 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1296
1297         * ipa-struct-reorg.c (is_safe_cond_expr,
1298         create_new_stmts_for_cond_expr): Use integer_zerop function,
1299         that recognize not only zero-pointer, but zero-integer too.
1300
1301 2008-01-25  Ben Elliston  <bje@au.ibm.com>
1302
1303         PR other/22232
1304         * fixproto: Escape "." in sed expression that strips leading "./".
1305
1306 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1307
1308         PR driver/34904
1309         * gcc.c (SWITCH_OK): Removed.
1310         (SWITCH_LIVE): Changed to bit.
1311         (SWITCH_FALSE): Likewise.
1312         (SWITCH_IGNORE): Likewise.
1313         (switchstr): Change live_cond to unsigned int.
1314         (process_command): Replace SWITCH_OK with 0.
1315         (do_self_spec): Likewise.
1316         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1317         (give_switch): Likewise.
1318         (used_arg): Likewise.
1319         (do_spec_1): Set the SWITCH_IGNORE bit.
1320         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1321         bits.  Set the SWITCH_LIVE bit.
1322
1323 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1324
1325         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1326
1327 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
1328
1329         PR tree-optimization/34472
1330         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1331         parameter to a "bool *" and set *DATA to false if there is
1332         an unsafe access.  Do not delete the structure here.
1333         (check_cond_exprs): Delete it here instead.
1334         (check_cond_exprs, exclude_cold_structs): Do not increase
1335         I when removing a structure.
1336
1337 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
1338
1339         PR target/34856
1340         * config/i386/i386.c (ix86_expand_vector_init): Consider only
1341         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1342
1343 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
1344
1345         PR middle-end/34934
1346         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1347         a fixed vector for stack.
1348
1349 2008-01-24  Ben Elliston  <bje@au.ibm.com>
1350
1351         PR c++/25701
1352         * doc/gcc.texi (Software development): Add a direntry for g++.
1353
1354 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
1355
1356         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1357         stale and straggling -fforce-addr comments above.
1358
1359         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1360         define.
1361         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1362         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1363
1364 2008-01-23  Michael Matz  <matz@suse.de>
1365
1366         PR debug/34895
1367         * dwarf2out.c (force_type_die): Use modified_type_die instead of
1368         gen_type_die.
1369
1370 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1371
1372         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1373         malloc result type.
1374
1375 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1376
1377         * config/avr/avr.c (avr_current_arch): New variable.
1378         (avr_arch_types): Add 'avr31' and 'avr51' entries.
1379         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1380         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1381         (avr_override_options): Init 'avr_current_arch'.
1382         (base_arch_s): Move from here...
1383         * config/avr/avr.h (base_arch_s): ... here. Add new members
1384         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1385         'mega' to 'have_jmp_call'.
1386         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1387         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
1388         macros.
1389         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1390         architectures.
1391         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1392         MULTILIB_MATCHES): (Ditto.).
1393
1394 2008-01-23  Richard Guenther  <rguenther@suse.de>
1395
1396         PR middle-end/31529
1397         * cgraphunit.c (cgraph_reset_node): Always mark the node
1398         not reachable if it is not queued already.
1399
1400 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1401
1402         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1403         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1404         (cputype_selected): New static variable.
1405         (bfin_handle_option): Set it if -mcpu is used.
1406         (override_option): Select default set of workarounds if no cpu type
1407         selected on the command line.
1408         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1409
1410         From  Michael Frysinger  <michael.frysinger@analog.com>
1411         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1412         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1413
1414         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1415         for bf547, bf523, bf524, and bf526.
1416         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
1417         bf526.
1418         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1419         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1420         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1421         __ADSPBF547__ and __ADSPBF54x__ for bf547.
1422         * doc/invoke.texi (Blackfin Options): Document that
1423         -mcpu now accept bf547, bf523, bf524, and bf526.
1424
1425 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1426
1427         PR rtl-optimization/34628
1428         * combine.c (try_combine): Stop and undo after the first combination
1429         if an autoincrement side-effect on the first insn has effectively
1430         been lost.
1431
1432 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
1433
1434         PR target/34529
1435         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1436         Offset addresses are not valid for Altivec or paired float modes.
1437
1438 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
1439
1440         PR c++/34607
1441         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1442         if DECL_INITIAL (decl) is error_mark_node.
1443
1444         PR c++/34914
1445         * c-common.c (handle_vector_size_attribute): Only allow
1446         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
1447         the same way as pointer, array etc. types.
1448         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1449
1450         PR c++/34917
1451         * tree.c (build_type_attribute_qual_variant): Call
1452         build_qualified_type if attributes are equal, but quals are not.
1453
1454 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1455
1456         PR 32102
1457         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1458         * flags.h (warn_strict_aliasing): Remove.
1459         (warn_strict_overflow): Remove.
1460         * opts.c (warn_strict_aliasing): Remove.
1461         (warn_strict_overflow): Remove.
1462         * c-opts.c (c_common_handle_option): -Wall only sets
1463         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1464         (c_common_post_options): Give default values to -Wstrict-aliasing
1465         and -Wstrict-overflow if they are uninitialized.
1466         * common.opt (Wstrict-aliasing): Specify Var and Init.
1467         (Wstrict-overflow): Likewise.
1468
1469 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1470
1471         PR rtl-optimization/26854
1472         PR rtl-optimization/34400
1473         PR rtl-optimization/34884
1474         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1475         DF_RD->gen.
1476         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1477         (df_rd_bb_info.expanded_lr_out): Deleted
1478         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1479         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
1480         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1481         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1482         Removed code to allocate, initialize or free expanded_lr_out.
1483         (df_rd_bb_local_compute_process_def): Restructured to make more
1484         understandable.
1485         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1486         sets if the sets are being trimmed.
1487
1488 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1489
1490         PR bootstrap/32287
1491         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1492         (as_vers): Likewise.
1493         * configure: Regenerated.
1494
1495 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1496
1497         PR middle-end/33092
1498         * tree-pass.h (pass_build_alias): New pass.
1499         * tree-ssa-alias.c (gate_build_alias): New.
1500         (pass_build_alias): New.
1501         * passes.c (init_optimization_passes): Add pass_build_alias after
1502         pass_create_structure_vars.
1503
1504 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
1505
1506         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1507         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1508         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1509         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1510         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1511         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1512         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1513         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1514         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1515         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1516         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1517         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1518         * config/s390/s390.md (FP_ALL): New mode iterator.
1519         (_d): New mode attribute.
1520         ("*signbit<mode>2>"): Changed mode of first operand.
1521         ("isinf<mode>2"): Changed mode of first operand.
1522         ("*TDC_insn"): Adaptation for DFP modes.
1523
1524 2008-01-22  Ben Elliston  <bje@au.ibm.com>
1525
1526         * tree.c (check_qualified_type): Improve function description.
1527
1528 2008-01-21  Jason Merrill  <jason@redhat.com>
1529
1530         PR c++/34196
1531         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1532         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1533         if it is set.
1534
1535 2008-01-21  DJ Delorie  <dj@redhat.com>
1536
1537         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1538         return zero.
1539
1540 2008-01-21  Richard Guenther  <rguenther@suse.de>
1541
1542         PR middle-end/34856
1543         * tree-cfg.c (verify_expr): Allow all invariant expressions
1544         instead of just constant class ones as reference argument.
1545         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1546         like any other constant.
1547         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1548
1549 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
1550
1551         * regmove.c (fixup_match_1): Update call crossed frequencies.
1552
1553 2008-01-21  Richard Guenther  <rguenther@suse.de>
1554
1555         PR c/34885
1556         * tree-inline.c (setup_one_parameter): Deal with mismatched
1557         types using a VIEW_CONVERT_EXPR.
1558
1559 2008-01-21  Alon Dayan  <alond@il.ibm.com>
1560             Olga Golovanevsky  <olga@il.ibm.com>
1561
1562         PR tree-optimization/34701
1563         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1564         when the structure size is not a power of 2.
1565
1566 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
1567
1568         * doc/install.texi: Add doc for --enable-checking=df.
1569
1570 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1571
1572         PR rtl-optimization/34808
1573         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1574
1575 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1576
1577         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1578         input.
1579
1580 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1581
1582         PR rtl-optimization/26854
1583         PR rtl-optimization/34400
1584         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1585         DF_RD->gen.
1586         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1587         (df_rd_bb_info.expanded_lr_out): New.
1588         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1589         * loop_iv.c (iv_analysis_loop_init): Ditto.
1590         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1591         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1592         Added code to allocate, initialize or free expanded_lr_out.
1593         (df_rd_bb_local_compute_process_def): Restructured to make
1594         more understandable.
1595         (df_rd_confluence_n): Add code to do nothing with fake edges and
1596         code to no apply invalidate_by_call sets if the sets are being trimmed.
1597         (df_lr_local_finalize): Renamed to df_lr_finalize.
1598         (df_live_local_finalize): Renamed to df_live_finalize.
1599
1600 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1601
1602         PR target/34831
1603         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1604         deciding whether to use reciprocal instructions.
1605
1606 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
1607
1608         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1609         dwarf2out_note_section_used if cold_text_section is NULL.
1610
1611 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
1612
1613         PR gcov-profile/34610
1614         * tree-cfg.c (make_edges): Mark both outgoing edges from
1615         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1616         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1617         from OMP_FOR and OMP_CONTINUE outgoing edges.
1618
1619         * tree-profile.c (tree_profiling): Return early if
1620         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
1621         at the end.
1622         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1623         from cfun to child_cfun.
1624         * function.h (struct function): Add after_tree_profile bit.
1625
1626 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1627
1628         * config/avr/avr.S (_exit): Disable interrupt.
1629
1630 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
1631             Steven Bosscher  <stevenb.gcc@gmail.com>
1632
1633         PR rtl-optimization/26854
1634         PR rtl-optimization/34400
1635         * df-problems.c (df_live_scratch): New scratch bitmap.
1636         (df_live_alloc): Allocate df_live_scratch when doing df_live.
1637         (df_live_reset): Clear the proper bitmaps.
1638         (df_live_bb_local_compute): Only process the artificial defs once
1639         since the order is not important.
1640         (df_live_init): Init the df_live sets only with the variables
1641         found live by df_lr.
1642         (df_live_transfer_function): Use the df_lr sets to prune the
1643         df_live sets as they are being computed.
1644         (df_live_free): Free df_live_scratch.
1645
1646 2008-01-18  Ian Lance Taylor  <iant@google.com>
1647
1648         * common.opt: Add fmerge-debug-strings.
1649         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1650         flag_merge_debug_strings rather than flag_merge_constants.
1651         * doc/invoke.texi (Option Summary): Mention
1652         -fmerge-debug-strings.
1653         (Debugging Options): Document -fmerge-debug-strings.
1654
1655 2008-01-18  Ian Lance Taylor  <iant@google.com>
1656
1657         PR c++/33407
1658         * tree.h (DECL_IS_OPERATOR_NEW): Define.
1659         (struct tree_function_decl): Add new field operator_new_flag.
1660         * tree-inline.c (expand_call_inline): When inlining a call to
1661         operator new, force the return value to go into a variable, and
1662         set DECL_NO_TBAA_P on that variable.
1663         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1664
1665 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
1666
1667         PR debug/34484
1668         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1669         DWARF2_DEBUGGING_INFO.
1670         (dwarf2out_note_section_used): Ditto.  Add prototype.
1671         (have_multiple_function_sections, text_section_used,
1672         cold_text_section_used, *cold_text_sections): Move declarations
1673         before their uses.
1674
1675 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
1676
1677         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1678         field and add signal_ra.
1679         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1680         assignments to frame state pc.  Move end of stack check after
1681         MD_FALLBACK_FRAME_STATE_FOR.
1682         (uw_update_context_1): Use frame state signal_regs if set, instead
1683         of checking signal_frame flag.
1684         (uw_update_context): Use frame state signal_ra if set.
1685         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1686         * config/xtensa/linux-unwind.h: New file.
1687
1688 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
1689
1690         * modulo-sched.c (get_sched_window): Fix comment typo.
1691
1692 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
1693
1694         PR tree-optimization/34648
1695         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1696
1697 2008-01-17  Anatoly Sokolov <aesok@post.ru>
1698
1699         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1700         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1701
1702 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
1703
1704         PR rtl-optimization/34400
1705         * df-core.c (df_worklist_dataflow_overeager,
1706         df_worklist_dataflow_doublequeue): New functions.
1707         (df_worklist_dataflow): Two different worklist solvers.
1708         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1709         New param.
1710
1711 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1712
1713         PR testsuite/34821
1714         * doc/invoke.texi: Document the dependence on pthread for fopenmp
1715         and ftree-parallelize-loops.
1716
1717 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
1718
1719         PR rtl-optimization/34826
1720         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1721
1722 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1723
1724         * global.c (find_reg): Mark the eh regs as used if necessary.
1725         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1726         * ra.h (struct allocno): no_eh_reg field added.  Changed
1727         no_stack_reg type to bitfield.
1728
1729 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
1730
1731         * tree.c (substitute_in_expr): Add missing 'break'.
1732
1733 2008-01-17  Richard Guenther  <rguenther@suse.de>
1734
1735         PR tree-optimization/34825
1736         * tree-ssa-math-opts.c (is_division_by): Do not recognize
1737         x / x as division to handle.
1738
1739 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1740
1741         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1742         "-pthread" is specified.
1743         * pa-hpux11.h (LIB_SPEC): Likewise.
1744
1745 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
1746             Peter Bergner  <bergner@vnet.ibm.com>
1747
1748         PR rtl-optimization/33796
1749         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1750
1751 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1752
1753         PR libgfortran/34699
1754         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1755         static links.
1756         * pa-hpux10.h (LINK_SPEC): Likewise.
1757         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1758
1759 2008-01-16  Richard Guenther  <rguenther@suse.de>
1760
1761         PR middle-end/32628
1762         * fold-const.c (fold_convert_const_int_from_int): Do not
1763         set overflow if that occured only because of a sign extension
1764         change when converting from/to a sizetype with the same
1765         precision and signedness.
1766
1767 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1768
1769         PR debug/34249
1770         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1771         location address to the correct place.  Update copyright year.
1772
1773 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1774
1775         * lambda-code.c (lambda_transform_legal_p): Handle the case of
1776         no dependences in the dependence_relations vector.
1777
1778 2008-01-16  Jan Hubicka  <jh@suse.cz>
1779
1780         PR rtl-optimization/31396
1781         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1782         * cfg.c (dump_reg_info): Print it.
1783         * regs.h (struct reg_info_t): add freq_calls_crossed.
1784         (REG_FREQ_CALLS_CROSSED): New macro.
1785         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1786         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1787         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1788         regmove_optimize): Update call crossed frequencies.
1789         * local-alloc.c (struct qty): Add freq_calls_crossed.
1790         (alloc_qty): Copute freq_calls_crossed.
1791         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1792         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1793         * ra.h (struct allocno): Add freq_calls_crossed.
1794
1795 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1796
1797         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1798         libgomp when compiling with ftree-parallelize-loops.
1799         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1800
1801 2008-01-16  Richard Guenther  <rguenther@suse.de>
1802
1803         PR tree-optimization/34769
1804         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1805         * tree.c (int_cst_value): Instead make this function more
1806         permissive in what it accepts as valid input.  Document this
1807         function always sign-extends the value.
1808
1809 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
1810             Richard Guenther  <rguenther@suse.de>
1811
1812         PR c/34668
1813         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1814         (gimple_fold_indirect_ref_rhs): ... this.
1815         (gimple_fold_indirect_ref): New function with foldings
1816         that preserve lvalueness.
1817         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1818         * tree-flow.h (gimple_fold_indirect_ref): Declare.
1819         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1820         to fold an INDIRECT_REF, fall back to the old use of
1821         fold_indirect_ref_1.
1822
1823 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1824
1825         * tree-data-ref.c (subscript_dependence_tester_1): Call
1826         free_conflict_function.
1827         (compute_self_dependence): Same.
1828
1829 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1830
1831         PR debug/34249
1832         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1833         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
1834         function global.
1835         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1836         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1837         for DWARF2_UNWIND_INFO targets.
1838
1839 2008-01-16  Richard Guenther  <rguenther@suse.de>
1840
1841         PR c/34768
1842         * c-typeck.c (common_pointer_type): Do not merge inconsistent
1843         type qualifiers for function types.
1844
1845 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1846
1847         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1848         loop_iterator li from previous commit.
1849
1850 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
1851
1852         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1853
1854 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1855
1856         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1857         (parallelize_loops): Don't parallelize irreducible components.
1858
1859 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1860
1861         PR c++/24924
1862         * c-opts (c_common_post_options): Do not enable CPP
1863         flag_pedantic_errors by default.
1864
1865 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
1866
1867         PR rtl-optimization/31944
1868         * cse.c (remove_pseudo_from_table): New function.
1869         (merge_equiv_classes): Use above function to remove pseudo-registers.
1870         (invalidate): Likewise.
1871
1872 2008-01-13  Richard Guenther  <rguenther@suse.de>
1873
1874         PR middle-end/34601
1875         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1876         instead of TYPE_MODE to deal with calls from expand_one_error_var.
1877
1878 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
1879
1880         * gcse.c (cprop_jump): Call validate_unshare_change instead of
1881         validate_change to unshare the source of the PC set.
1882
1883 2008-01-12  Jan Hubicka  <jh@suse.cz>
1884
1885         PR middle-end/32135
1886         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1887         references above array bounds.  This might trigger bounds checks for
1888         pointers to arrays.
1889
1890 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1891
1892         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1893         new_replaceable_dependencies.
1894
1895 2008-01-12  Doug Kwan  <dougkwan@google.com>
1896
1897         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1898         instead of OPT_Wreturn_type in warning due to ignored return type
1899         qualifiers.
1900         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1901         options included in -Wextra.
1902         * c.opt: New option -Wignored_qualifiers.
1903         * doc/invoke.texi (Warning Options, -Wextra): Add new option
1904         -Wignore_qualifiers.
1905         (-Wignored-qualifiers): Document.
1906         (-Wreturn-type): Remove description of functionality now handled
1907         by -Wignored-qualifiers.
1908
1909 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
1910
1911         PR ada/33788
1912         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1913         NOP_EXPR if it is between integral types with the same precision.
1914
1915 2008-01-12  Jan Hubicka  <jh@suse.cz>
1916
1917         PR other/28023
1918         * invoke.texi (max-inline-recursive-depth): Fix default value.
1919
1920 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1921
1922         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1923         correct type.
1924
1925 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1926
1927         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1928
1929 2008-01-11  James E. Wilson  <wilson@specifix.com>
1930
1931         PR target/26015
1932         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1933
1934 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1935
1936         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1937         save/restore frame pointer register and don't use 'call-prologues'
1938         optimization in function with "OS_task" attribute.
1939
1940 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1941
1942         PR middle-end/31309
1943         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1944         when copying to memory.
1945
1946 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1947
1948         PR rtl-optimization/30905
1949         * cfgcleanup.c: Include dce.h
1950         (crossjumps_occured): New global variable.
1951         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1952         If something changed, set crossjumps_occured to true.
1953         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1954         Don't add/remove fake edges to exit here...
1955         (cleanup_cfg): ...but do it here, when crossjumping.
1956         Run a fast DCE when successful crossjumps occured in the latest
1957         iteration of try_optimize_cfg.
1958
1959 2008-01-11  Richard Guenther  <rguenther@suse.de>
1960
1961         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1962         (struct vn_unary_op_s): Likewise.
1963         (vn_reference_insert): Free old reference on hash collision.
1964
1965 2008-01-10  Raksit Ashok  <raksit@google.com>
1966
1967         PR rtl-optimization/27971
1968         * combine.c (find_split_point): Split PLUS expressions which are
1969         inside a MEM rtx, and whose first operand is complex.
1970
1971 2008-01-10  DJ Delorie  <dj@redhat.com>
1972
1973         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1974         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1975         (m32c_hard_regno_ok): Call the underlying function.
1976
1977 2008-01-10  Richard Guenther  <rguenther@suse.de>
1978
1979         PR middle-end/34683
1980         * tree-cfg.c (tree_merge_blocks): Do not go through the
1981         full-blown folding and stmt updating path if we just deal
1982         with virtual operands.
1983         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1984         test for abnormal SSA_NAMEs.
1985
1986 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1987
1988         PR middle-end/34641
1989         * reload.c (push_reload): Add assertions.  All constants from
1990         reg_equiv_constant should have been used for replacing the respective
1991         pseudo earlier.
1992         (find_reloads_address): Invoke find_reloads_address_part for
1993         constant taken from the reg_equiv_constant array.
1994
1995 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
1996
1997         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1998         field (valnum) the first in the struct.  Replace bools with
1999         unit bit fields.
2000
2001 2008-01-10  Richard Guenther  <rguenther@suse.de>
2002
2003         PR tree-optimization/34651
2004         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2005         types and ordering for masking and converting.
2006
2007 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2008
2009         PR tree-optimization/34017
2010         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2011         also for PHI_NODE expressions.
2012
2013 2008-01-09  Jan Hubicka  <jh@suse.cz>
2014
2015         PR tree-optimization/34708
2016         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2017         based on number of case labels.
2018         (init_inline_once): Remove switch_cost.
2019         * tree-inline.h (eni_weights_d): Remove switch_cost.
2020
2021 2008-01-09  Richard Guenther  <rguenther@suse.de>
2022         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2023
2024         PR middle-end/30132
2025         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2026         temporary if an rvalue is ok or an lvalue is not required.
2027
2028 2008-01-09  Richard Guenther  <rguenther@suse.de>
2029
2030         PR middle-end/34458
2031         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2032         adjust return type.
2033
2034 2008-01-09  Richard Guenther  <rguenther@suse.de>
2035
2036         PR middle-end/34679
2037         * tree.c (host_integerp): Check for sizetype only if the
2038         type is an integer type.
2039
2040 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2041
2042         PR debug/26364
2043         * opts.c (decode_options): Disable inlining of functions called
2044         once if not in unit-at-a-time mode.
2045
2046 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2047
2048         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2049
2050 2008-01-08  Richard Guenther  <rguenther@suse.de>
2051
2052         PR middle-end/31863
2053         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2054         out early if the result will be unused.
2055
2056 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2057
2058         PR target/34709
2059         Revert:
2060
2061         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2062         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2063         for TARGET_RECIP.
2064
2065 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2066
2067         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2068         for vectorization tuned.
2069
2070 2008-01-08  Richard Guenther  <rguenther@suse.de>
2071
2072         PR tree-optimization/34683
2073         * tree-ssa-operands.c (operand_build_cmp): Export.
2074         * tree-ssa-operands.h (operand_build_cmp): Declare.
2075         * tree-vn.c (vuses_compare): Remove.
2076         (sort_vuses): Use operand_build_cmp.
2077         (sort_vuses_heap): Likewise.
2078         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2079         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2080         (vdefs_to_vec): Do not sort already sorted VDEFs.
2081
2082 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2083
2084         PR middle-end/34694
2085         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2086
2087 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2088
2089         PR target/34702
2090         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2091         limitations of reciprocal sequences on x86 targets.
2092
2093 2008-01-08  Richard Guenther  <rguenther@suse.de>
2094
2095         PR tree-optimization/34683
2096         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2097
2098 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2099
2100         PR target/34622
2101         * config/darwin.c (darwin_mergeable_string_section): Don't use
2102         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2103
2104 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2105
2106         PR target/34682
2107         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2108         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2109         predicates of op0 and op1 to register_operand.
2110         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2111         expander using X87MODEF mode iterator.  Change predicates of
2112         op0 and op1 to register_operand.
2113         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2114         corresponding patterns and macroize using MODEF macro.  Change
2115         predicates of op0 and op1 to register_operand and remove
2116         "m" constraint. Disparage "r" alternative with "!".
2117         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2118         macroize using X87MODEF macro.  Change predicates of op0 and op1
2119         to register_operand and remove "m" constraint.  Disparage "r"
2120         alternative with "!".
2121         (absneg splitter with memory operands): Remove.
2122         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2123         patterns and macroize using X87MODEF mode iterator.
2124         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2125         Change predicate of op1 to register_operand.
2126         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2127         for memory operands.
2128
2129 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2130
2131         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2132
2133 2008-01-07  Richard Guenther  <rguenther@suse.de>
2134
2135         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2136         fields.
2137
2138 2008-01-07  Richard Guenther  <rguenther@suse.de>
2139
2140         PR tree-optimization/34683
2141         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2142         VOPs of the needed size to save memory.  Use VEC_quick_push
2143         to save compile-time.
2144         (vdefs_to_vec): Likewise.
2145
2146 2008-01-07  Sa Liu  <saliu@de.ibm.com>
2147
2148         * config/spu/spu.md (divdf3): Genetate inline code for double
2149         division.  The implementation doesn't handle INF or NAN, therefore it
2150         only applies when -ffinite-math-only is given.
2151
2152 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
2153
2154         PR libstdc++/34680
2155         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2156         * doc/cpp.texi ([Common Predefined Macros]): Document.
2157
2158 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
2159
2160         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2161         order to use commutative addition instead of subtraction.
2162
2163 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2164             Mircea Namolaru  <namolaru@il.ibm.com>
2165             Vladimir Yanovsky  <yanov@il.ibm.com>
2166             Revital Eres  <eres@il.ibm.com>
2167
2168         PR tree-optimization/34263
2169         * tree-outof-ssa.c (process_single_block_loop_latch,
2170         contains_tree_r): New functions.
2171         (analyze_edges_for_bb): Call process_single_block_loop_latch
2172         function to empty single-basic-block latch block if possible.
2173
2174 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2175
2176         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2177         for TARGET_RECIP.
2178         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2179
2180 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2181
2182         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2183
2184 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2185
2186         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2187
2188 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR tree-optimization/34618
2191         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2192         flag from T.
2193
2194 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2195
2196         PR target/34673
2197         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2198         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
2199         Update copyright year.
2200
2201         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2202         Update copyright year.
2203         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2204         using NR fixup.
2205
2206 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
2207
2208         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2209         edge does not point to current bb before changing need_assert.
2210
2211 2008-01-04  Richard Guenther  <rguenther@suse.de>
2212
2213         PR middle-end/34029
2214         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2215         for verifying purposes if they are is_gimple_min_invariant.
2216
2217 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
2218
2219         PR tree-optimization/34448
2220         PR tree-optimization/34465
2221         * gimplify.c (gimplify_init_constructor): Add new parameter
2222         notify_temp_creation.  Use it.
2223         (gimplify_modify_expr_rhs): Take volatiles into account when
2224         optimizing constructors.
2225         Do not optimize constructors if gimplify_init_constructor will dump to
2226         memory.
2227         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2228         * gcc.c-torture/compile/pr34448.c: New.
2229
2230 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
2231
2232         PR gcov-profile/34609
2233         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2234         return_slot if result is TREE_ADDRESSABLE.
2235
2236 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
2237
2238         * config/mips/mips.md (sqrt_condition): Tweak comment.
2239         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
2240
2241 2008-01-03  Tom Tromey  <tromey@redhat.com>
2242
2243         PR c/34457
2244         * c-common.c (c_type_hash): Handle VLAs.
2245
2246 2008-01-03  Jan Hubicka  <jh@suse.cz>
2247
2248         PR tree-optimization/31081
2249         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2250         0 when inlining and not inlining to first basic block.
2251         (remap_decl): When var is initialized to 0, don't set default_def.
2252         (expand_call_inline): Set entry_bb.
2253         * tree-inline.h (copy_body_data): Add entry_bb.
2254
2255 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2256
2257         PR c++/34619
2258         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2259         before returning.
2260
2261         PR tree-optimization/29484
2262         * tree-inline.c (inline_forbidden_p_2): New function.
2263         (inline_forbidden_p): Disallow inlining if some static var
2264         has an address of a local LABEL_DECL in its initializer.
2265         * doc/extend.texi (Labels as Values): Document &&foo behaviour
2266         vs. inlining.
2267
2268 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2269
2270         PR tree-optimization/34635
2271         * tree-data-ref.c (add_other_self_distances): Make sure that the
2272         evolution step is constant.
2273
2274 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2275
2276         PR middle-end/34608
2277         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2278
2279 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
2280
2281         * tree-sra.c (scalarize_init): Insert the generate_element_init
2282         statements after the generate_element_zero statements.
2283
2284 2008-01-02  Richard Guenther  <rguenther@suse.de>
2285
2286         PR middle-end/34093
2287         PR middle-end/31976
2288         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2289         for very large number of operands instead of ICEing.
2290
2291 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
2292
2293         PR target/34013
2294         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2295         while stack probing.
2296
2297 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
2298
2299         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2300         in C++0x mode.
2301
2302 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
2303
2304         PR libmudflap/26442
2305         * tree-mudflap.c (mx_register_decls): Guard warning by
2306         !DECL_ARTIFICIAL check.
2307
2308 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
2309
2310         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2311         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2312         sse5_perm<mode>): Fix constraints.