gcc/ChangeLog

   1 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
   2
   3         PR c/19999
   4         * c-typeck.c (build_binary_op): Warn about floating point
   5         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
   6
   7 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
   8
   9         PR target/34526
  10         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
  11         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
  12         add vrsave.
  13         (rs6000_override_options): Set altivec_abi as default, not override,
  14         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
  15         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
  16         is used; use new member spe_abi.
  17         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
  18         spe_abi and altivec_abi.
  19
  20 2008-02-22  Tomas Bily  <tbily@suse.cz>
  21
  22         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
  23
  24 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
  25
  26         PR bootstrap/35273
  27         * config.build (build_file_translate): Set to `CMD //c' only if
  28         it works.
  29         * Makefile.in (build_file_translate): Improve comment.
  30
  31 2008-02-21  Jan Hubicka  <jh@suse.cz>
  32
  33         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
  34         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
  35         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
  36
  37 2008-02-21  Michael Matz  <matz@suse.de>
  38
  39         PR target/35264
  40         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
  41
  42 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
  43
  44         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
  45         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
  46         as insn constraint.
  47         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
  48         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
  49         SSE_VEC_FLOAT_MODE_P as insn constraint.
  50         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
  51         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
  52         sse4a_movntdf using MODEF mode iterator.
  53         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
  54         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
  55         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
  56         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
  57         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
  58         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
  59         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
  60
  61 2008-02-21  Richard Guenther  <rguenther@suse.de>
  62
  63         * tree.def (PAREN_EXPR): New tree code.
  64         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
  65         and PAREN_EXPR.
  66         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
  67         * expr.c (expand_expr_real_1): Likewise.
  68         * tree-inline.c (estimate_num_insns_1): Likewise.
  69         * tree-complex.c (expand_complex_move): Likewise.
  70         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
  71         as plain x.
  72
  73 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  74
  75         PR target/35225
  76         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
  77
  78 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
  79
  80         PR target/35190
  81         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
  82
  83         * config/sh/sh.c (find_barrier): Don't go past
  84         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
  85
  86 2008-02-20  DJ Delorie  <dj@redhat.com>
  87
  88         * config/h8300/h8300.md (insv): Force source operand to be a register.
  89
  90         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
  91         as a jump, not as a plain insn.
  92
  93 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
  94
  95         * doc/invoke.texi (Warning Options): Add new option
  96         -Wframe-larger-than=.
  97         (-Wframe-larger-than): Document.
  98
  99         * flags.h (warn_frame_larger_than, frame_larger_than_size):
 100         Add declarations for new option variables.
 101
 102         * final.c (final_start_function): Check the frame size
 103         before emission and issue a Wframe-larger-than warning.
 104
 105         * opts.c (warn_frame_larger_than, frame_larger_than_size):
 106         Add definitions for new option variables.
 107         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
 108
 109         * common.opt (Wframe-larger-than=): New option.
 110
 111 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 112
 113         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
 114         (<sse>_div<mode>3): Ditto.
 115         (<sse>_vmdiv<mode>3): Ditto.
 116         (<sse>_vmsqrt<mode>2): Ditto.
 117         (*smax<mode>3): Ditto.
 118         (sse5_frcz<mode>2): Ditto.
 119         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
 120         as insn constraint.
 121
 122 2008-02-20  Richard Guenther  <rguenther@suse.de>
 123
 124         PR middle-end/35265
 125         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
 126         be happy with INTEGRAL_TYPE_P.
 127
 128 2008-02-20  Richard Guenther  <rguenther@suse.de>
 129
 130         * fold-const.c (split_tree): Associate floatig-point expressions
 131         if flag_associative_math is set.
 132
 133 2008-02-20  Richard Guenther  <rguenther@suse.de>
 134
 135         * tree.h (fold_real_zero_addition_p): Declare.
 136         * fold-const.c (fold_real_zero_addition_p): Export.
 137         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
 138         floating-point operations with zero and one.
 139
 140 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
 141
 142         * doc/install.texi: Correct references to CFLAGS, replacing them
 143         with BOOT_CFLAGS.  Document flags used during bootstrap for
 144         target libraries.
 145
 146 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
 147
 148         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
 149         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
 150         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
 151         insn constraint.
 152         (smin<mode>3): Ditto from similar patterns.
 153         (smax<mode>3): Ditto.
 154         (*ieee_smin<mode>3): Ditto.
 155         (*ieee_smax<mode>3): Ditto.
 156         * config/i386/sse.md (sse): New mode attribute.
 157         (mov<mode>): Macroize expander from movv4sf and movv2df using
 158         SSEMODEF2P mode iterator.
 159         (<sse>_movnt<mode>): Ditto from similar patterns. Use
 160         SSE_VEC_FLOAT_MODE_P as insn constraint.
 161         (storent<mode>): Ditto.
 162         (storent<mode>): Macroize expander from storentsf and storentdf using
 163         MODEF mode iterator.
 164         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
 165         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
 166         (abs<mode>2): Ditto from similar patterns.
 167         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
 168         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
 169         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
 170         (<sse>_vmsqrt<mode>2): Ditto.
 171         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
 172         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
 173         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
 174         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
 175         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
 176         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
 177         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
 178         insn constraint.
 179         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
 180         iterator and SSE_FLOAT_MODE_P as insn constraint.
 181         (<sse>_ucomi): Ditto from similar patterns.
 182         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
 183         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
 184         SSE_VEC_FLOAT_MODE_P as insn constraint.
 185         (vcond<mode>): Ditto from similar patterns.
 186         (and<mode>3, *and<mode>3): Ditto.
 187         (<sse>_nand<mode>3): Ditto.
 188         (ior<mode>3, *ior<mode>3): Ditto.
 189         (xor<mode>3, *xor<mode>3): Ditto.
 190         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
 191         iterator and SSE_FLOAT_MODE_P as insn constraint.
 192         (*nand<mode>3): Ditto from similar patterns.
 193         (*ior<mode>3): Ditto.
 194         (*xor<mode>3): Ditto.
 195
 196 2008-02-20  Ira Rosen  <irar@il.ibm.com>
 197
 198         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
 199         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
 200         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
 201
 202 2008-02-19  Jan Hubicka  <jh@suse.cz>
 203
 204         * predict.c (tree_bb_level_predictions): Remove variable next
 205         mistakely introduced by previous commit.
 206
 207 2008-02-19  Jan Hubicka  <jh@suse.cz>
 208
 209         * predict.c (predict_paths_leading_to): Rewrite.
 210         (predict_paths_for_bb): New.
 211         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
 212
 213 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 214
 215         PR bootstrap/35218
 216         * Makefile.in (build_file_translate): New.
 217         (gcc-vers.texi): Use it for translating $(abs_srcdir).
 218         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
 219         * configure.ac (build_file_translate): Substitute it.
 220         * configure: Regenerate.
 221
 222 2008-02-19  Jan Hubicka  <jh@suse.cz>
 223
 224         PR rtl-optimization/34408
 225         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
 226         invalid sharing.
 227
 228 2008-02-19  Jan Hubicka  <jh@suse.cz>
 229
 230         PR middle-end/28779
 231         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
 232         call_expr.
 233
 234 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
 235
 236         PR Ada/35186
 237         * config/i386/i386-modes.def: Revert the last DI alignment
 238         change until Ada people can look into it.
 239
 240 2008-02-19  Nick Clifton  <nickc@redhat.com>
 241
 242         * opts.c (print_specific_help): Fix typo in --help text.
 243
 244 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
 245
 246         PR target/35239
 247         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
 248         32-bit inline asm without asm alternatives for host GCC < 3.0.
 249
 250 2008-02-19  Richard Guenther  <rguenther@suse.de>
 251
 252         PR tree-optimization/34989
 253         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
 254         Allow propagation to INDIRECT_REF if we can simplify only.
 255
 256 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 257
 258         * c-common.c (warn_for_collisions_1): Use appropriate option when
 259         warning.
 260
 261 2008-02-19  Nick Clifton  <nickc@redhat.com>
 262
 263         PR other/31349
 264         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
 265         (handle_options): Fix indentation.
 266         (print_filtered_help): If no language-specific options were
 267         displayed tell the user how to list all the options supported by
 268         the language's front-end.
 269         (print_specific_help): Fix indentation and remove duplicate line.
 270         (common_handle_option): Handle the -v option.
 271         For --help enable the display of undocumented options if the -v
 272         switch has been included on the command line.
 273         For --help= check for overlaps in the arguments between the option
 274         classes and the language names and issue a warning when they
 275         cannot be disambiguated.
 276         * c.opt (v): Pass on to the common option handler.
 277
 278 2008-02-19  Revital Eres  <eres@il.ibm.com>
 279
 280         * modulo-sched.c (sms_schedule): Change dump message when
 281         create_ddg function fails.
 282         (try_scheduling_node_in_cycle): Rename row to cycle.
 283         (print_partial_schedule): Rename CYCLE to ROW.
 284
 285 2008-02-19  Christian Bruel  <christian.bruel@st.com>
 286             Zdenek Dvorak  <ook@ucw.cz>
 287
 288         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
 289
 290 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 291
 292         PR target/33555
 293         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
 294         (*x86_movdicc_0_m1_se): Ditto.
 295
 296 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
 297
 298         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
 299         (CMPtype): Define as __gcc_CMPtype.
 300         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
 301         (CMPtype): Define as __gcc_CMPtype.
 302
 303 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
 304
 305         Support valgrind 3.3 for --enable-checking=valgrind.
 306         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
 307         here.
 308         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
 309         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
 310         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
 311         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
 312         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
 313         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
 314         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
 315         respectively.
 316         * ggc-zone.c: Similar.
 317         * ggc-page.c: Similar.
 318
 319 2008-02-19  Paul Brook  <paul@codesourcery.com>
 320
 321         PR target/35071
 322         * config/arm/ieee754-df.S: Fix do_it typo.
 323         * config/arm/ieee754-sf.S: Fix do_it typo.
 324
 325 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 326
 327         PR target/35189
 328         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
 329         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
 330         (OPTION_MASK_ISA_SSE_SET): Likewise.
 331         (OPTION_MASK_ISA_SSE2_SET): Likewise.
 332         (OPTION_MASK_ISA_SSE3_SET): Likewise.
 333         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
 334         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
 335         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
 336         (OPTION_MASK_ISA_SSE4_SET): Likewise.
 337         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
 338         (OPTION_MASK_ISA_SSE5_SET): Likewise.
 339         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
 340         (OPTION_MASK_ISA_MMX_UNSET): Updated.
 341         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
 342         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
 343         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
 344         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
 345         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
 346         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
 347         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
 348         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
 349         (OPTION_MASK_ISA_SSE4): Removed.
 350         (ix86_handle_option): Turn on bits in ix86_isa_flags and
 351         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for
 352         -mXXX.
 353         (override_options): Don't turn on implied SSE/MMX bits in
 354         ix86_isa_flags.
 355
 356 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
 357
 358         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 359         32bit host.
 360
 361 2008-02-18  Joey Ye  <joey.ye@intel.com>
 362
 363         PR middle-end/34921
 364         * tree-nested.c (insert_field_into_struct): Set type alignment
 365         to field alignment if the former is less than the latter.
 366
 367 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
 368
 369         * BASE-VER: Set to 4.4.0.
 370
 371 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 372
 373         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
 374         * doc/cfg.texi: Likewise.
 375         * doc/extend.texi: Likewise.
 376         * doc/gty.texi: Likewise.
 377         * doc/invoke.texi: Likewise.
 378         * doc/loop.texi: Likewise.
 379         * doc/md.texi: Likewise.
 380         * doc/passes.texi: Likewise.
 381         * doc/rtl.texi: Likewise.
 382         * doc/sourcebuild.texi: Likewise.
 383         * doc/tm.texi: Likewise.
 384         * doc/tree-ssa.texi: Likewise.
 385
 386 2008-02-17  Richard Guenther  <rguenther@suse.de>
 387
 388         PR middle-end/35227
 389         * tree-complex.c (init_parameter_lattice_values): Handle parameters
 390         without default definition.
 391
 392 2008-02-17  Richard Guenther  <rguenther@suse.de>
 393
 394         PR tree-optimization/35231
 395         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
 396         if A | B != 1.
 397
 398 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
 399
 400         Revert:
 401
 402         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 403         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 404         libgcc_cmp_return mode.
 405
 406 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 407
 408         PR c/28368
 409         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
 410
 411 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
 412
 413         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
 414         multilibs.
 415
 416 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 417
 418         * doc/c-tree.texi: Use `@.' where appropriate.
 419         * doc/extend.texi: Likewise.
 420         * doc/install.texi: Likewise.
 421         * doc/invoke.texi: Likewise.
 422         * doc/loop.texi: Likewise.
 423         * doc/makefile.texi: Likewise.
 424         * doc/md.texi: Likewise.
 425         * doc/passes.texi: Likewise.
 426         * doc/standards.texi: Likewise.
 427         * doc/tm.texi: Likewise.
 428
 429 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 430
 431         PR middle-end/35196
 432         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
 433         in entry_bb.
 434         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
 435         rather than in entry_bb.
 436
 437 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 438
 439         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
 440         libgcc_cmp_return mode.
 441
 442 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
 443
 444         PR middle-end/35130
 445         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
 446         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
 447
 448 2008-02-15  Richard Guenther  <rguenther@suse.de>
 449             Zdenek Dvorak  <ook@ucw.cz>
 450
 451         PR tree-optimization/35164
 452         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
 453         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
 454         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
 455         Only propagate addresses which do not have abnormal SSA_NAMEs
 456         in their operands.
 457
 458 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
 459
 460         PR target/35088
 461         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
 462
 463 2008-02-15  Jan Hubicka  <jh@suse.cz>
 464
 465         PR middle-end/35149
 466         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
 467
 468 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 469
 470         PR middle-end/34621
 471         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
 472         when calculating alignment_pad.
 473
 474 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
 475
 476         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
 477         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
 478         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
 479         and STACK_BOUNDARY define.
 480
 481 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
 482
 483         PR preprocessor/35061
 484         * c-pragma.c (handle_pragma_pop_macro): Check that
 485         pushed_macro_table has been allocated.
 486
 487 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
 488
 489         PR middle-end/35136
 490         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
 491         (force_gimple_operand): Likewise.
 492         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
 493         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
 494         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
 495         (find_interesting_uses_address): Check addressability and alignment
 496         of the base expression only after substituting bases of IVs into it.
 497
 498 2008-02-14  Michael Matz  <matz@suse.de>
 499
 500         PR target/34930
 501         * function.c (instantiate_virtual_regs_in_insn): Reload address
 502         before falling back to reloading the whole operand.
 503
 504 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 505
 506         * config/s390/s390.c (s390_mainpool_start): Emit the pool
 507         before the first section switch note.
 508
 509 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
 510
 511         * doc/bugreport.texi: Update copyright years.
 512         * doc/c-tree.texi: Likewise.
 513         * doc/cfg.texi: Likewise.
 514         * doc/cpp.texi: Likewise.
 515         * doc/cppinternals.texi: Likewise.
 516         * doc/fragments.texi: Likewise.
 517         * doc/frontends.texi: Likewise.
 518         * doc/gcc.texi: Likewise.
 519         * doc/gty.texi: Likewise.
 520         * doc/hostconfig.texi: Likewise.
 521         * doc/implement-c.texi: Likewise.
 522         * doc/libgcc.texi: Likewise.
 523         * doc/loop.texi: Likewise.
 524         * doc/makefile.texi: Likewise.
 525         * doc/options.texi: Likewise.
 526         * doc/passes.texi: Likewise.
 527         * doc/rtl.texi: Likewise.
 528         * doc/sourcebuild.texi: Likewise.
 529         * doc/standards.texi: Likewise.
 530         * doc/tree-ssa.texi: Likewise.
 531         * doc/trouble.texi: Likewise.
 532
 533         * doc/extend.texi: Use @: or add comma where appropriate.
 534         * doc/invoke.texi: Likewise.
 535         * doc/tm.texi: Likewise.
 536
 537 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
 538
 539         PR target/34393
 540         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
 541         to a reg.
 542
 543 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
 544
 545         * doc/md.texi (clz, ctz): Add reference.
 546         * doc/rtl.texi (clz, ctz): Likewise.
 547
 548 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 549
 550         PR other/35148
 551         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
 552         srcdir.
 553
 554 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
 555
 556         * config/s390/s390.c (struct constant_pool): New field
 557         emit_pool_after added.
 558         (s390_mainpool_start): Set the emit_pool_after flag according
 559         to the section switch notes.
 560         (s390_mainpool_finish): Consider emit_pool_after when emitting
 561         the literal pool at the end of the function.
 562         (s390_chunkify_start): Force literal pool splits at section
 563         switch notes.
 564
 565 2008-02-13  Michael Matz  <matz@suse.de>
 566
 567         PR debug/35065
 568         * var-tracking.c (clobber_variable_part): Correctly traverse the
 569         list.
 570
 571 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 572
 573         PR 29673
 574         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
 575         Add -fdump-ipa-inline.
 576         * tree-dump.c (dump_files): Remove tree-inlined dump.
 577         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
 578
 579 2008-02-12  Richard Guenther  <rguenther@suse.de>
 580
 581         PR tree-optimization/35171
 582         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
 583         default defs.
 584
 585 2008-02-12  Richard Guenther  <rguenther@suse.de>
 586
 587         PR middle-end/35163
 588         * fold-const.c (fold_widened_comparison): Use get_unwidened in
 589         value-preserving mode.  Disallow final truncation.
 590
 591 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
 592
 593         PR middle-end/35136
 594         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
 595         code from here to...
 596         (force_gimple_operand): ...here.
 597
 598 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
 599
 600         PR c++/35144
 601         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
 602         non-compatible pointers.
 603         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
 604         different FIELD_DECLs, try harder by comparing field offsets, sizes
 605         and types.
 606
 607         PR inline-asm/35160
 608         * function.c (match_asm_constraints_1): Don't replace the same input
 609         multiple times.
 610
 611 2008-02-12  Anatoly Sokolov <aesok@post.ru>
 612
 613         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
 614         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
 615         (expand_epilogue): Restore RAMPZ register.
 616         * config/avr/avr.md (RAMPZ_ADDR): New constant.
 617
 618 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
 619
 620         * config/i386/cygwin.asm: (__alloca): Correct calling
 621         convention and alignment.
 622         (__chkstk): Force 8 byte stack alignment.
 623
 624 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
 625             Richard Guenther  <rguenther@suse.de>
 626
 627         PR tree-optimization/33992
 628         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
 629         the zero we compare against.
 630
 631 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
 632
 633         PR libfortran/35063
 634         * gthr-win32.h (__gthread_mutex_destroy_function): New function
 635         to CloseHandle after unlocking to prevent accumulation of handle
 636         count.
 637
 638 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 639
 640         PR middle_end/34150
 641         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
 642         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
 643         and update LABEL_NUSES during and after reload.
 644
 645 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
 646
 647         PR middle-end/34627
 648         * combine.c (simplify_if_then_else): Make sure the comparison is
 649         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
 650
 651 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
 652
 653         PR bootstrap/35051
 654         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
 655         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
 656         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
 657         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
 658         * tree.h (get_type_static_bounds): Likewise.
 659
 660 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 661
 662         * doc/invoke.texi (Option Summary, C++ Dialect Options)
 663         (Objective-C and Objective-C++ Dialect Options, Warning Options):
 664         Make -Wfoo language annotations match what the compiler outputs.
 665
 666 2008-02-08  Sa Liu  <saliu@de.ibm.com>
 667
 668         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
 669         intrinsics spu_convts, spu_convtu, spu_convtf.
 670         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
 671
 672 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
 673
 674         * doc/extend.texi (Function Attributes) <noinline>: Mention
 675         asm ("") as method to keep calls.
 676
 677 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 678
 679         PR other/32754
 680         * doc/options.texi (Options): Replace references to opts.sh with
 681         optc-gen.awk.
 682         * opts-common.c: Likewise.
 683         * optc-gen.awk: Likewise.
 684
 685 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
 686
 687         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
 688
 689 2008-02-07  Richard Henderson  <rth@redhat.com>
 690
 691         PR rtl-opt/33410
 692         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
 693         EXPR_LIST for the REG_EQUAL instead of a comparison with a
 694         funny mode.
 695
 696 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
 697
 698         PR tree-optimization/35085
 699         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
 700         for operand entry oe2 in addition to operand entry oe3 in order to
 701         expose more opportunities for vectorizer sum reduction.
 702
 703 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 704
 705         PR other/35107
 706         * Makefile.in (LIBS): Remove $(GMPLIBS).
 707         (cc1-dummy, cc1): Add $(GMPLIBS).
 708
 709 2008-02-06  Jan Hubicka  <jh@suse.cz>
 710
 711         PR target/23322
 712         * i386.md (moddf_integer): Do not produce partial memory stalls for
 713         targets where it hurts.
 714
 715 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
 716
 717         PR target/35083
 718         * optabs.c (expand_float): Do not check for decimal modes when
 719         expanding unsigned integer through signed conversion.
 720
 721 2008-02-06  Nick Clifton  <nickc@redhat.com>
 722
 723         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
 724         inside the clobber with a match_operand and duplicated operand
 725         number in the constraint.
 726         (ineqbranchsi): Delete redundant comment.
 727
 728 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
 729
 730         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
 731         builtin_define ("__USE_INIT_FINI__").
 732         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
 733         -msx multilibs.
 734         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
 735
 736 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 737
 738         PR documentation/30330
 739         * doc/invoke.texi (C++ Dialect Options)
 740         (Objective-C and Objective-C++ Dialect Options, Warning Options):
 741         For each warning option -Wfoo that allows -Wno-foo, ensure both
 742         -Wfoo and -Wno-foo are listed in the option index.  Fix index
 743         entry of -Wswitch-default, index -Wnormalized= including the
 744         `=', and -Wlarger-than-@var{len} including @var{len}.
 745
 746 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
 747
 748         * config/i386/i386.md (floatunssisf2): Use
 749         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
 750         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
 751         Macroize expander using MODEF mode iterator.
 752
 753 2008-02-05  Diego Novillo  <dnovillo@google.com>
 754
 755         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
 756
 757         PR 33738
 758         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
 759
 760 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 761
 762         PR other/35070
 763         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
 764
 765 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
 766
 767         PR target/35084
 768         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
 769         to indicate if a message should be generated.
 770         (init_cumulative_args): Updated.
 771         (function_value_32): Likewise.
 772
 773 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
 774
 775         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
 776
 777 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
 778
 779         PR target/35083
 780         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
 781         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
 782
 783 2008-02-04  Diego Novillo  <dnovillo@google.com>
 784
 785         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
 786
 787         PR 33738
 788         * tree-vrp.c (vrp_evaluate_conditional): With
 789         -Wtype-limits, emit a warning when comparing against a
 790         constant outside the natural range of OP0's type.
 791
 792 2008-02-04  Richard Guenther  <rguenther@suse.de>
 793
 794         PR middle-end/33631
 795         * expr.c (count_type_elements): Give for unions instead of
 796         guessing.
 797
 798 2008-02-04  Richard Guenther  <rguenther@suse.de>
 799
 800         PR middle-end/35043
 801         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
 802         to TYPE_DOMAINs base type instead of using bitsizetype here.
 803
 804 2008-02-03  Jason Merrill  <jason@redhat.com>
 805
 806         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
 807
 808 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 809
 810         PR other/29972
 811         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
 812         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
 813         (RS/6000 and PowerPC Options): Fix typos and markup.
 814         * doc/passes.texi (Tree-SSA passes): Likewise.
 815
 816 2008-02-02  Michael Matz  <matz@suse.de>
 817
 818         PR target/35045
 819         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
 820         from record_last_reg_set_info.
 821         (record_last_reg_set_info): Take an RTX argument, iterate over all
 822         constituent hardregs.
 823         (record_last_set_info, record_opr_changes): Change calls to
 824         new signature or to record_last_reg_set_info_regno.
 825
 826 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
 827
 828         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
 829
 830 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
 831
 832         PR rtl-optimization/34773
 833         * reg-notes.def (EQUAL): Mention significance of combination of
 834         REG_EQUAL and REG_RETVAL.
 835         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
 836         insn that has a REG_RETVAL.
 837
 838 2008-02-01  Roger Sayle  <roger@eyesopen.com>
 839
 840         PR bootstrap/33781
 841         * configure.ac (--enable-fixed-point): Disable unless explicitly
 842         requested on IRIX.
 843         * configure: Regenerate.
 844
 845 2008-02-01  Richard Guenther  <rguenther@suse.de>
 846
 847         PR other/35042
 848         * invoke.texi (-finline-limit): Remove no longer true parts
 849         of the documentation.  Note that there is no default value.
 850
 851 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
 852             Mark Mitchell  <mark@codesourcery.com>
 853             Ben Elliston  <bje@au.ibm.com>
 854
 855         PR c/29326
 856         * doc/extend.texi (Other Builtins): Document.
 857
 858 2008-01-31  Tom Browder <tom.browder@gmail.com>
 859
 860         * doc/c-tree.texi (Types): Fix grammar.
 861         (Expression trees): Ditto.
 862         * doc/passes.texi (Tree-SSA passes): Ditto.
 863
 864         * doc/configterms.texi (Configure Terms): Fix typo.
 865         * doc/cpp.texi (Common Predefined Macros): Ditto.
 866         * doc/md.texi (Machine Constraints): Ditto.
 867
 868         * doc/makefile.texi (Makefile): Add comma.
 869
 870 2008-01-31  Tom Browder  <tom.browder@gmail.com>
 871             Gerald Pfeifer  <gerald@pfeifer.com>
 872
 873         * doc/sourcebuild.texi (Front End): Remove references to CVS
 874         and CVSROOT/modules.
 875         (Texinfo Manuals): Replace reference to CVS by one to SVN.
 876         (Back End): Remove reference to CVS.
 877
 878 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
 879
 880         PR target/34900
 881         * config/mips/mips.c (gen_load_const_gp): New function, taking a
 882         comment from...
 883         (mips16_gp_pseudo_reg): ...here.
 884         * config/mips/mips.md (load_const_gp): Replace with...
 885         (load_const_gp_<mode>): ...this :P-based insn.
 886
 887 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 888
 889         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
 890         options. Minor fixes.
 891         (-std): Move reference to standards closer to where language
 892         standards are first mentioned.
 893
 894 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
 895
 896         PR rtl-optimization/34995
 897         * reload.c (alternative_allows_const_pool_ref): Take an rtx
 898         parameter and return a bool.  If the rtx parameter is nonnull,
 899         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
 900         (find_reloads): Update call accordingly.  Pass the new operand
 901         if it needed no address reloads, otherwise pass null.
 902
 903 2008-01-30  Richard Henderson  <rth@redhat.com>
 904
 905         PR c/34993
 906         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
 907         for unbounded arrays.
 908
 909 2008-01-30  Silvius Rus  <rus@google.com>
 910
 911         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
 912
 913 2008-01-30  Jan Hubicka  <jh@suse.cz>
 914
 915         PR target/34982
 916         * i386.c (init_cumulative_args): Use real function declaration when
 917         calling locally.
 918
 919 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
 920
 921         PR rtl-optimization/34998
 922         * global.c (build_insn_chain): Treat non-subreg_lowpart
 923         SUBREGs of pseudos as clobbering all the words covered by the
 924         SUBREG, not just all the bytes.
 925         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
 926         original df_ref rather than an extract parameter.
 927         (global_conflicts): Update call accordingly.
 928
 929 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
 930
 931         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
 932         the overflow check to make it easier to read.
 933         (__fixtfdi): Change the type of the ll member in union
 934         long_double to UDItype_x.
 935
 936 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
 937
 938         PR middle-end/34969
 939         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
 940         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
 941         * tree-inline.c (fold_marked_statements): Call
 942         cgraph_update_edges_for_call_stmt if folding a call statement.
 943         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
 944         debug_generic_stmt calls, reset it back afterwards.
 945
 946         PR c/35017
 947         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
 948         static decls.
 949         * c-typeck.c (build_external_ref): Don't pedwarn about
 950         static vars in current function's scope.
 951
 952 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
 953
 954         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
 955
 956 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
 957
 958         PR c/35002
 959         * ipa-struct-reorg.c: Fix spelling.
 960         * params.def: Ditto.
 961
 962 2008-01-29  Richard Guenther  <rguenther@suse.de>
 963
 964         PR middle-end/35006
 965         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
 966         field.
 967         * tree-inline.c (remap_type): Increment remapping_type_depth
 968         around remapping types.
 969         (copy_body_r): Only add referenced variables if they are referenced
 970         from code, not types.
 971
 972 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
 973
 974         PR c++/34055
 975         PR c++/34103
 976         PR c++/34219
 977         PR c++/34606
 978         PR c++/34753
 979         PR c++/34754
 980         PR c++/34755
 981         PR c++/34919
 982         PR c++/34961
 983         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
 984         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
 985
 986 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
 987
 988         PR target/34412
 989         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
 990         pointer for tiny stack.
 991
 992 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 993
 994         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
 995
 996 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
 997
 998         * config/vx-common.h: Fix typo in comment.
 999
1000 2008-01-28  Ian Lance Taylor  <iant@google.com>
1001
1002         PR c++/34862
1003         PR c++/33407
1004         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1005         coalesce pointers if they have different DECL_NO_TBAA_P values.
1006         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
1007         between variables with different DECL_NO_TBAA_P values.
1008
1009 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
1010
1011         PR 31535
1012         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
1013         are not legitimate small data references on SPE targets.
1014
1015 2008-01-28  David Daney  <ddaney@avtrex.com>
1016
1017         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
1018
1019 2008-01-28  David Daney  <ddaney@avtrex.com>
1020
1021         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
1022
1023 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
1024
1025         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
1026         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
1027         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
1028         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
1029         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
1030         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
1031         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
1032         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
1033
1034 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1035
1036         * basic-block.h (condjump_equiv_p): Fix comment.
1037
1038 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1039
1040         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
1041         print_generic_stmt_indented): Fix comment.
1042
1043 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
1044
1045         * configure.ac (__stack_chk_fail): Add detecion for availability
1046         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
1047         * configure: Regenerate.
1048
1049 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
1050
1051         PR middle-end/34688
1052         * final.c (output_addr_const): Handle TRUNCATE.
1053
1054 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
1055
1056         PR target/34711
1057         * tree-ssa-loop-ivopts.c (comp_cost): New type.
1058         (zero_cost, infinite_cost): New constants.
1059         (struct cost_pair): Change type of cost to comp_cost.
1060         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
1061         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
1062         New functions.
1063         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
1064         split_address_cost, ptr_difference_cost, difference_cost,
1065         get_computation_cost_at, get_computation_cost,
1066         determine_use_iv_cost_generic, determine_use_iv_cost_address,
1067         determine_use_iv_cost_condition, determine_use_iv_costs,
1068         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
1069         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
1070         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
1071         Change type of cost to comp_cost.
1072         (determine_iv_cost): Increase cost of non-original ivs, instead
1073         of decreasing the cost of original ones.
1074         (get_address_cost): Indicate the complexity of the addressing mode
1075         in comp_cost.
1076         (try_add_cand_for): Prefer using ivs not specific to some object.
1077         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
1078
1079 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
1080             Janis Johnson  <janis187@us.ibm.com>
1081
1082         PR target/34814
1083         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
1084         (TARGET_INSTANTIATE_DECLS): Likewise.
1085         * target.h (expand_to_rtl_hook): New target hook.
1086         (instantiate_decls): Likewise.
1087         * function.c (instantiate_decl): Make non-static.  Rename to...
1088         (instantiate_decl_rtl): ... this.
1089         (instantiate_expr): Use instantiate_decl_rtl.
1090         (instantiate_decls_1): Likewise.
1091         (instantiate_decls): Likewise.
1092         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
1093         * function.h (instantiate_decl_rtl): Add prototype.
1094         * cfgexpand.c (target.h): New include.
1095         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
1096         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
1097         (TARGET_INSTANTIATE_DECLS): Likewise.
1098         (TARGET_INITIALIZER): New target hooks added.
1099         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
1100         New prototype.
1101         * config/rs6000/rs6000.c (tree-flow.h): New include.
1102         (machine_function): Add sdmode_stack_slot field.
1103         (rs6000_alloc_sdmode_stack_slot): New function.
1104         (rs6000_instantiate_decls): Likewise.
1105         (rs6000_secondary_memory_needed_rtx): Likewise.
1106         (rs6000_check_sdmode): Likewise.
1107         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
1108         (TARGET_INSTANTIATE_DECLS): Likewise.
1109         (rs6000_hard_regno_mode_ok): Allow SDmode.
1110         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
1111         (rs6000_emit_move): Handle SDmode.
1112         (function_arg_advance): Likewise.
1113         (function_arg): Likewise.
1114         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
1115         SDmode var args for 32-bit compiles.
1116         (rs6000_secondary_reload_class): Handle SDmode.
1117         (rs6000_output_function_epilogue): Likewise.
1118         (rs6000_function_value): Simplify if statement.
1119         (rs6000_libcall_value): Likewise.
1120         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
1121         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
1122         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
1123         (movsd_hardfloat): New define_insn.
1124         (movsd_softfloat): Likewise.
1125         (movsd_store): Likewise.
1126         (movsd_load): Likewise.
1127         (extendsddd2): Likewise.
1128         (extendsdtd2): Likewise.
1129         (truncddsd2): Likewise.
1130         (movdd_hardfloat64): Fixup comment.
1131         (UNSPEC_MOVSD_LOAD): New constant.
1132         (UNSPEC_MOVSD_STORE): Likewise.
1133
1134 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
1135
1136         PR c++/34965
1137         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
1138         TRUTH_XOR_EXPR.
1139         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
1140         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
1141         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
1142         and TRUTH_XOR_EXPR.
1143
1144 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
1145
1146         PR target/34794
1147         * config.gcc: Separate AIX 5.3 from AIX 6.1.
1148         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1149         __LONGDOUBLE128 too.
1150         * config/rs6000/aix61.h: New file.
1151
1152 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1153
1154         PR rtl-optimization/34959
1155         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
1156         popcount and parity rtxes the same mode as their operand.
1157         Truncate or extend the result to the return value's mode
1158         if necessary.
1159
1160 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
1161
1162         PR target/34981
1163         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
1164         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
1165         to GOT_VERSION_REGNUM.
1166         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
1167         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
1168         * config/mips/mips.c (mips_emit_call_insn): New function.
1169         (mips_call_tls_get_addr): Call mips_expand_call directly.
1170         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
1171         emit_call_insn.
1172         (mips16_build_call_stub): Likewise.  Return the call insn or null.
1173         (mips_expand_call): Update the call to mips16_build_call_stub
1174         accordingly and a remove redundant condition.  Assert that MIPS16
1175         stubs do not use lazy binding.  Use mips_emit_call_insn and return
1176         the call insn.
1177         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
1178         TARGET_USE_GOT.
1179         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
1180         (mips_avoid_hazard): Remove hazard_set handling.
1181         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
1182         (UNSPEC_RESTORE_GP): ...this.
1183         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
1184         (FAKE_CALL_REGNO): Rename to...
1185         (GOT_VERSION_REGNUM): ...this.
1186         (type): Add "ghost" value.  Add an associated insn reservation.
1187         (hazard_set): Remove.
1188         (exception_receiver): Rename to...
1189         (restore_gp): ...this and update the unspec identifier accordingly.
1190         (exception_receiver, nonlocal_got_receiver): New expanders.
1191         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
1192         FAKE_CALL_REGNO.  Remove hazard_set attribute.
1193         (set_got_version, update_got_version): New patterns.
1194
1195 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
1196
1197         PR target/34970
1198         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
1199
1200 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1201
1202         PR other/31955
1203         * doc/install.texi2html: Generate gcc-vers.texi.
1204
1205 2008-01-25  DJ Delorie  <dj@redhat.com>
1206
1207         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1208
1209 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
1210
1211         * config/c4x: Remove directory.
1212         * config.gcc (crx-*, mt-*): Mark obsolete.
1213         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
1214         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
1215         sh-*-rtemscoff*): Remove cases.
1216         * defaults.h (C4X_FLOAT_FORMAT): Remove.
1217         * real.c (encode_c4x_single, decode_c4x_single,
1218         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
1219         c4x_extended_format): Remove.
1220         * real.h (c4x_single_format, c4x_extended_format): Remove.
1221         * doc/extend.texi (interrupt, naked): Remove mention of attributes
1222         on C4x.
1223         (Pragmas): Remove comment about c4x pragmas.
1224         * doc/install.texi (c4x): Remove target-specific instructions.
1225         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
1226         * doc/md.texi (Machine Constraints): Remove C4x documentation.
1227         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
1228         refer to C4x source files as examples.
1229         (C4X_FLOAT_FORMAT): Remove documentation.
1230
1231 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
1232
1233         * config/bfin/bfin.c (override_options): Reorder tests so that
1234         flag_pic gets enabled for -msep-data.
1235
1236 2008-01-25  Richard Guenther  <rguenther@suse.de>
1237
1238         PR middle-end/32244
1239         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
1240         to its bitfield precision if required.
1241
1242 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1243
1244         PR middle-end/33880
1245         * tree-nested.c (walk_omp_for): New function.
1246         (convert_nonlocal_reference, convert_local_reference): Call
1247         walk_omp_for on OMP_FOR.
1248         (convert_call_expr): Call walk_body on OMP_FOR's
1249         OMP_FOR_PRE_INIT_BODY.
1250
1251 2008-01-25  Richard Guenther  <rguenther@suse.de>
1252
1253         PR tree-optimization/34966
1254         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
1255         default defs and PHI_NODEs we have to insert after the
1256         defining statement.
1257
1258 2008-01-24  Nick Clifton  <nickc@redhat.com>
1259
1260         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
1261         Provide a default definition.
1262         (LIBGCC2_UNITS_PER_WORD): Likewise.
1263
1264         * config/stormy16/stormy16.c: Include df.h for the prototype
1265         for df_regs_ever_live_p.
1266         (xstormy16_expand_builtin_va_start): Convert the stack offset
1267         into a component_ref and then use POINTER_PLUS_EXPR to add it
1268         to the incoming_virtual_args_rtx.
1269         (xstormy16_gimplify_va_arg_expr): Rename to
1270         xstormy16_gimplify_va_arg_expr.
1271         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
1272         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
1273         xstormy16_gimplify_va_arg_expr.
1274         Fix up some formatting issues.
1275
1276         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
1277         Move to predicates.md.
1278         (xs_hi_general_operand): Likewise.
1279         (xs_hi_nonmemory_operand): Likewise.
1280         * config/stormy16/predicates.md:
1281         (xstormy16_carry_plus_operand): New predicate.
1282         (xs_hi_general_operand): New predicate.
1283         (xs_hi_nonmemory_operand): New predicate.
1284         * config/stormy16/stormy16-protos.h:
1285         (xstormy16_carry_plus_operand): Delete prototype.
1286         (xs_hi_general_operand): Likewise.
1287         (xs_hi_nonmemory_operand): Likewise.
1288
1289         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
1290         modifiers as they are no longer needed and they can trigger
1291         reload spill failures.
1292
1293         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
1294         with a match_operand in order to help reload.
1295
1296         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
1297         constraint with 'e' for the 8th alternative as this version of
1298         the mov.w instruction only accepts the lower 8 registers.
1299
1300 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
1301
1302         PR target/34856
1303         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
1304         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
1305         vector elements.
1306
1307 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
1308
1309         PR middle-end/33333
1310         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
1311
1312 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1313
1314         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
1315         New functions.
1316         (remove_structure): Update allocations list before removing structure.
1317
1318 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
1319
1320         * ipa-struct-reorg.c (is_safe_cond_expr,
1321         create_new_stmts_for_cond_expr): Use integer_zerop function,
1322         that recognize not only zero-pointer, but zero-integer too.
1323
1324 2008-01-25  Ben Elliston  <bje@au.ibm.com>
1325
1326         PR other/22232
1327         * fixproto: Escape "." in sed expression that strips leading "./".
1328
1329 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1330
1331         PR driver/34904
1332         * gcc.c (SWITCH_OK): Removed.
1333         (SWITCH_LIVE): Changed to bit.
1334         (SWITCH_FALSE): Likewise.
1335         (SWITCH_IGNORE): Likewise.
1336         (switchstr): Change live_cond to unsigned int.
1337         (process_command): Replace SWITCH_OK with 0.
1338         (do_self_spec): Likewise.
1339         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
1340         (give_switch): Likewise.
1341         (used_arg): Likewise.
1342         (do_spec_1): Set the SWITCH_IGNORE bit.
1343         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
1344         bits.  Set the SWITCH_LIVE bit.
1345
1346 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1347
1348         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
1349
1350 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
1351
1352         PR tree-optimization/34472
1353         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
1354         parameter to a "bool *" and set *DATA to false if there is
1355         an unsafe access.  Do not delete the structure here.
1356         (check_cond_exprs): Delete it here instead.
1357         (check_cond_exprs, exclude_cold_structs): Do not increase
1358         I when removing a structure.
1359
1360 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
1361
1362         PR target/34856
1363         * config/i386/i386.c (ix86_expand_vector_init): Consider only
1364         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1365
1366 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
1367
1368         PR middle-end/34934
1369         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1370         a fixed vector for stack.
1371
1372 2008-01-24  Ben Elliston  <bje@au.ibm.com>
1373
1374         PR c++/25701
1375         * doc/gcc.texi (Software development): Add a direntry for g++.
1376
1377 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
1378
1379         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1380         stale and straggling -fforce-addr comments above.
1381
1382         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1383         define.
1384         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1385         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1386
1387 2008-01-23  Michael Matz  <matz@suse.de>
1388
1389         PR debug/34895
1390         * dwarf2out.c (force_type_die): Use modified_type_die instead of
1391         gen_type_die.
1392
1393 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1394
1395         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1396         malloc result type.
1397
1398 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1399
1400         * config/avr/avr.c (avr_current_arch): New variable.
1401         (avr_arch_types): Add 'avr31' and 'avr51' entries.
1402         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1403         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1404         (avr_override_options): Init 'avr_current_arch'.
1405         (base_arch_s): Move from here...
1406         * config/avr/avr.h (base_arch_s): ... here. Add new members
1407         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
1408         'mega' to 'have_jmp_call'.
1409         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
1410         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
1411         macros.
1412         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
1413         architectures.
1414         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
1415         MULTILIB_MATCHES): (Ditto.).
1416
1417 2008-01-23  Richard Guenther  <rguenther@suse.de>
1418
1419         PR middle-end/31529
1420         * cgraphunit.c (cgraph_reset_node): Always mark the node
1421         not reachable if it is not queued already.
1422
1423 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1424
1425         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1426         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1427         (cputype_selected): New static variable.
1428         (bfin_handle_option): Set it if -mcpu is used.
1429         (override_option): Select default set of workarounds if no cpu type
1430         selected on the command line.
1431         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1432
1433         From  Michael Frysinger  <michael.frysinger@analog.com>
1434         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1435         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1436
1437         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1438         for bf547, bf523, bf524, and bf526.
1439         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
1440         bf526.
1441         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1442         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1443         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1444         __ADSPBF547__ and __ADSPBF54x__ for bf547.
1445         * doc/invoke.texi (Blackfin Options): Document that
1446         -mcpu now accept bf547, bf523, bf524, and bf526.
1447
1448 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1449
1450         PR rtl-optimization/34628
1451         * combine.c (try_combine): Stop and undo after the first combination
1452         if an autoincrement side-effect on the first insn has effectively
1453         been lost.
1454
1455 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
1456
1457         PR target/34529
1458         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1459         Offset addresses are not valid for Altivec or paired float modes.
1460
1461 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
1462
1463         PR c++/34607
1464         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1465         if DECL_INITIAL (decl) is error_mark_node.
1466
1467         PR c++/34914
1468         * c-common.c (handle_vector_size_attribute): Only allow
1469         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
1470         the same way as pointer, array etc. types.
1471         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1472
1473         PR c++/34917
1474         * tree.c (build_type_attribute_qual_variant): Call
1475         build_qualified_type if attributes are equal, but quals are not.
1476
1477 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1478
1479         PR 32102
1480         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1481         * flags.h (warn_strict_aliasing): Remove.
1482         (warn_strict_overflow): Remove.
1483         * opts.c (warn_strict_aliasing): Remove.
1484         (warn_strict_overflow): Remove.
1485         * c-opts.c (c_common_handle_option): -Wall only sets
1486         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1487         (c_common_post_options): Give default values to -Wstrict-aliasing
1488         and -Wstrict-overflow if they are uninitialized.
1489         * common.opt (Wstrict-aliasing): Specify Var and Init.
1490         (Wstrict-overflow): Likewise.
1491
1492 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1493
1494         PR rtl-optimization/26854
1495         PR rtl-optimization/34400
1496         PR rtl-optimization/34884
1497         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1498         DF_RD->gen.
1499         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1500         (df_rd_bb_info.expanded_lr_out): Deleted
1501         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1502         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
1503         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1504         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1505         Removed code to allocate, initialize or free expanded_lr_out.
1506         (df_rd_bb_local_compute_process_def): Restructured to make more
1507         understandable.
1508         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1509         sets if the sets are being trimmed.
1510
1511 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1512
1513         PR bootstrap/32287
1514         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1515         (as_vers): Likewise.
1516         * configure: Regenerated.
1517
1518 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1519
1520         PR middle-end/33092
1521         * tree-pass.h (pass_build_alias): New pass.
1522         * tree-ssa-alias.c (gate_build_alias): New.
1523         (pass_build_alias): New.
1524         * passes.c (init_optimization_passes): Add pass_build_alias after
1525         pass_create_structure_vars.
1526
1527 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
1528
1529         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1530         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1531         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1532         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1533         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1534         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1535         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1536         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1537         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1538         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1539         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1540         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1541         * config/s390/s390.md (FP_ALL): New mode iterator.
1542         (_d): New mode attribute.
1543         ("*signbit<mode>2>"): Changed mode of first operand.
1544         ("isinf<mode>2"): Changed mode of first operand.
1545         ("*TDC_insn"): Adaptation for DFP modes.
1546
1547 2008-01-22  Ben Elliston  <bje@au.ibm.com>
1548
1549         * tree.c (check_qualified_type): Improve function description.
1550
1551 2008-01-21  Jason Merrill  <jason@redhat.com>
1552
1553         PR c++/34196
1554         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1555         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1556         if it is set.
1557
1558 2008-01-21  DJ Delorie  <dj@redhat.com>
1559
1560         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1561         return zero.
1562
1563 2008-01-21  Richard Guenther  <rguenther@suse.de>
1564
1565         PR middle-end/34856
1566         * tree-cfg.c (verify_expr): Allow all invariant expressions
1567         instead of just constant class ones as reference argument.
1568         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1569         like any other constant.
1570         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1571
1572 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
1573
1574         * regmove.c (fixup_match_1): Update call crossed frequencies.
1575
1576 2008-01-21  Richard Guenther  <rguenther@suse.de>
1577
1578         PR c/34885
1579         * tree-inline.c (setup_one_parameter): Deal with mismatched
1580         types using a VIEW_CONVERT_EXPR.
1581
1582 2008-01-21  Alon Dayan  <alond@il.ibm.com>
1583             Olga Golovanevsky  <olga@il.ibm.com>
1584
1585         PR tree-optimization/34701
1586         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1587         when the structure size is not a power of 2.
1588
1589 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
1590
1591         * doc/install.texi: Add doc for --enable-checking=df.
1592
1593 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1594
1595         PR rtl-optimization/34808
1596         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1597
1598 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1599
1600         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1601         input.
1602
1603 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1604
1605         PR rtl-optimization/26854
1606         PR rtl-optimization/34400
1607         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1608         DF_RD->gen.
1609         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1610         (df_rd_bb_info.expanded_lr_out): New.
1611         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1612         * loop_iv.c (iv_analysis_loop_init): Ditto.
1613         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1614         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1615         Added code to allocate, initialize or free expanded_lr_out.
1616         (df_rd_bb_local_compute_process_def): Restructured to make
1617         more understandable.
1618         (df_rd_confluence_n): Add code to do nothing with fake edges and
1619         code to no apply invalidate_by_call sets if the sets are being trimmed.
1620         (df_lr_local_finalize): Renamed to df_lr_finalize.
1621         (df_live_local_finalize): Renamed to df_live_finalize.
1622
1623 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1624
1625         PR target/34831
1626         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1627         deciding whether to use reciprocal instructions.
1628
1629 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
1630
1631         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1632         dwarf2out_note_section_used if cold_text_section is NULL.
1633
1634 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
1635
1636         PR gcov-profile/34610
1637         * tree-cfg.c (make_edges): Mark both outgoing edges from
1638         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1639         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1640         from OMP_FOR and OMP_CONTINUE outgoing edges.
1641
1642         * tree-profile.c (tree_profiling): Return early if
1643         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
1644         at the end.
1645         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1646         from cfun to child_cfun.
1647         * function.h (struct function): Add after_tree_profile bit.
1648
1649 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1650
1651         * config/avr/avr.S (_exit): Disable interrupt.
1652
1653 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
1654             Steven Bosscher  <stevenb.gcc@gmail.com>
1655
1656         PR rtl-optimization/26854
1657         PR rtl-optimization/34400
1658         * df-problems.c (df_live_scratch): New scratch bitmap.
1659         (df_live_alloc): Allocate df_live_scratch when doing df_live.
1660         (df_live_reset): Clear the proper bitmaps.
1661         (df_live_bb_local_compute): Only process the artificial defs once
1662         since the order is not important.
1663         (df_live_init): Init the df_live sets only with the variables
1664         found live by df_lr.
1665         (df_live_transfer_function): Use the df_lr sets to prune the
1666         df_live sets as they are being computed.
1667         (df_live_free): Free df_live_scratch.
1668
1669 2008-01-18  Ian Lance Taylor  <iant@google.com>
1670
1671         * common.opt: Add fmerge-debug-strings.
1672         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1673         flag_merge_debug_strings rather than flag_merge_constants.
1674         * doc/invoke.texi (Option Summary): Mention
1675         -fmerge-debug-strings.
1676         (Debugging Options): Document -fmerge-debug-strings.
1677
1678 2008-01-18  Ian Lance Taylor  <iant@google.com>
1679
1680         PR c++/33407
1681         * tree.h (DECL_IS_OPERATOR_NEW): Define.
1682         (struct tree_function_decl): Add new field operator_new_flag.
1683         * tree-inline.c (expand_call_inline): When inlining a call to
1684         operator new, force the return value to go into a variable, and
1685         set DECL_NO_TBAA_P on that variable.
1686         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1687
1688 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         PR debug/34484
1691         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1692         DWARF2_DEBUGGING_INFO.
1693         (dwarf2out_note_section_used): Ditto.  Add prototype.
1694         (have_multiple_function_sections, text_section_used,
1695         cold_text_section_used, *cold_text_sections): Move declarations
1696         before their uses.
1697
1698 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
1699
1700         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1701         field and add signal_ra.
1702         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1703         assignments to frame state pc.  Move end of stack check after
1704         MD_FALLBACK_FRAME_STATE_FOR.
1705         (uw_update_context_1): Use frame state signal_regs if set, instead
1706         of checking signal_frame flag.
1707         (uw_update_context): Use frame state signal_ra if set.
1708         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1709         * config/xtensa/linux-unwind.h: New file.
1710
1711 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
1712
1713         * modulo-sched.c (get_sched_window): Fix comment typo.
1714
1715 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
1716
1717         PR tree-optimization/34648
1718         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1719
1720 2008-01-17  Anatoly Sokolov <aesok@post.ru>
1721
1722         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1723         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1724
1725 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
1726
1727         PR rtl-optimization/34400
1728         * df-core.c (df_worklist_dataflow_overeager,
1729         df_worklist_dataflow_doublequeue): New functions.
1730         (df_worklist_dataflow): Two different worklist solvers.
1731         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1732         New param.
1733
1734 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1735
1736         PR testsuite/34821
1737         * doc/invoke.texi: Document the dependence on pthread for fopenmp
1738         and ftree-parallelize-loops.
1739
1740 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
1741
1742         PR rtl-optimization/34826
1743         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1744
1745 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1746
1747         * global.c (find_reg): Mark the eh regs as used if necessary.
1748         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1749         * ra.h (struct allocno): no_eh_reg field added.  Changed
1750         no_stack_reg type to bitfield.
1751
1752 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
1753
1754         * tree.c (substitute_in_expr): Add missing 'break'.
1755
1756 2008-01-17  Richard Guenther  <rguenther@suse.de>
1757
1758         PR tree-optimization/34825
1759         * tree-ssa-math-opts.c (is_division_by): Do not recognize
1760         x / x as division to handle.
1761
1762 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1763
1764         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1765         "-pthread" is specified.
1766         * pa-hpux11.h (LIB_SPEC): Likewise.
1767
1768 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
1769             Peter Bergner  <bergner@vnet.ibm.com>
1770
1771         PR rtl-optimization/33796
1772         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1773
1774 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1775
1776         PR libgfortran/34699
1777         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1778         static links.
1779         * pa-hpux10.h (LINK_SPEC): Likewise.
1780         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1781
1782 2008-01-16  Richard Guenther  <rguenther@suse.de>
1783
1784         PR middle-end/32628
1785         * fold-const.c (fold_convert_const_int_from_int): Do not
1786         set overflow if that occured only because of a sign extension
1787         change when converting from/to a sizetype with the same
1788         precision and signedness.
1789
1790 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1791
1792         PR debug/34249
1793         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1794         location address to the correct place.  Update copyright year.
1795
1796 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1797
1798         * lambda-code.c (lambda_transform_legal_p): Handle the case of
1799         no dependences in the dependence_relations vector.
1800
1801 2008-01-16  Jan Hubicka  <jh@suse.cz>
1802
1803         PR rtl-optimization/31396
1804         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1805         * cfg.c (dump_reg_info): Print it.
1806         * regs.h (struct reg_info_t): add freq_calls_crossed.
1807         (REG_FREQ_CALLS_CROSSED): New macro.
1808         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1809         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1810         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1811         regmove_optimize): Update call crossed frequencies.
1812         * local-alloc.c (struct qty): Add freq_calls_crossed.
1813         (alloc_qty): Copute freq_calls_crossed.
1814         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1815         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1816         * ra.h (struct allocno): Add freq_calls_crossed.
1817
1818 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1819
1820         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1821         libgomp when compiling with ftree-parallelize-loops.
1822         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1823
1824 2008-01-16  Richard Guenther  <rguenther@suse.de>
1825
1826         PR tree-optimization/34769
1827         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1828         * tree.c (int_cst_value): Instead make this function more
1829         permissive in what it accepts as valid input.  Document this
1830         function always sign-extends the value.
1831
1832 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
1833             Richard Guenther  <rguenther@suse.de>
1834
1835         PR c/34668
1836         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1837         (gimple_fold_indirect_ref_rhs): ... this.
1838         (gimple_fold_indirect_ref): New function with foldings
1839         that preserve lvalueness.
1840         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1841         * tree-flow.h (gimple_fold_indirect_ref): Declare.
1842         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1843         to fold an INDIRECT_REF, fall back to the old use of
1844         fold_indirect_ref_1.
1845
1846 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1847
1848         * tree-data-ref.c (subscript_dependence_tester_1): Call
1849         free_conflict_function.
1850         (compute_self_dependence): Same.
1851
1852 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1853
1854         PR debug/34249
1855         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1856         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
1857         function global.
1858         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1859         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1860         for DWARF2_UNWIND_INFO targets.
1861
1862 2008-01-16  Richard Guenther  <rguenther@suse.de>
1863
1864         PR c/34768
1865         * c-typeck.c (common_pointer_type): Do not merge inconsistent
1866         type qualifiers for function types.
1867
1868 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1869
1870         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1871         loop_iterator li from previous commit.
1872
1873 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
1874
1875         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1876
1877 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1878
1879         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1880         (parallelize_loops): Don't parallelize irreducible components.
1881
1882 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1883
1884         PR c++/24924
1885         * c-opts (c_common_post_options): Do not enable CPP
1886         flag_pedantic_errors by default.
1887
1888 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
1889
1890         PR rtl-optimization/31944
1891         * cse.c (remove_pseudo_from_table): New function.
1892         (merge_equiv_classes): Use above function to remove pseudo-registers.
1893         (invalidate): Likewise.
1894
1895 2008-01-13  Richard Guenther  <rguenther@suse.de>
1896
1897         PR middle-end/34601
1898         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1899         instead of TYPE_MODE to deal with calls from expand_one_error_var.
1900
1901 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
1902
1903         * gcse.c (cprop_jump): Call validate_unshare_change instead of
1904         validate_change to unshare the source of the PC set.
1905
1906 2008-01-12  Jan Hubicka  <jh@suse.cz>
1907
1908         PR middle-end/32135
1909         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1910         references above array bounds.  This might trigger bounds checks for
1911         pointers to arrays.
1912
1913 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1914
1915         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1916         new_replaceable_dependencies.
1917
1918 2008-01-12  Doug Kwan  <dougkwan@google.com>
1919
1920         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1921         instead of OPT_Wreturn_type in warning due to ignored return type
1922         qualifiers.
1923         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1924         options included in -Wextra.
1925         * c.opt: New option -Wignored_qualifiers.
1926         * doc/invoke.texi (Warning Options, -Wextra): Add new option
1927         -Wignore_qualifiers.
1928         (-Wignored-qualifiers): Document.
1929         (-Wreturn-type): Remove description of functionality now handled
1930         by -Wignored-qualifiers.
1931
1932 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
1933
1934         PR ada/33788
1935         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1936         NOP_EXPR if it is between integral types with the same precision.
1937
1938 2008-01-12  Jan Hubicka  <jh@suse.cz>
1939
1940         PR other/28023
1941         * invoke.texi (max-inline-recursive-depth): Fix default value.
1942
1943 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1944
1945         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1946         correct type.
1947
1948 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1949
1950         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1951
1952 2008-01-11  James E. Wilson  <wilson@specifix.com>
1953
1954         PR target/26015
1955         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1956
1957 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1958
1959         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
1960         save/restore frame pointer register and don't use 'call-prologues'
1961         optimization in function with "OS_task" attribute.
1962
1963 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1964
1965         PR middle-end/31309
1966         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1967         when copying to memory.
1968
1969 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1970
1971         PR rtl-optimization/30905
1972         * cfgcleanup.c: Include dce.h
1973         (crossjumps_occured): New global variable.
1974         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1975         If something changed, set crossjumps_occured to true.
1976         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1977         Don't add/remove fake edges to exit here...
1978         (cleanup_cfg): ...but do it here, when crossjumping.
1979         Run a fast DCE when successful crossjumps occured in the latest
1980         iteration of try_optimize_cfg.
1981
1982 2008-01-11  Richard Guenther  <rguenther@suse.de>
1983
1984         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1985         (struct vn_unary_op_s): Likewise.
1986         (vn_reference_insert): Free old reference on hash collision.
1987
1988 2008-01-10  Raksit Ashok  <raksit@google.com>
1989
1990         PR rtl-optimization/27971
1991         * combine.c (find_split_point): Split PLUS expressions which are
1992         inside a MEM rtx, and whose first operand is complex.
1993
1994 2008-01-10  DJ Delorie  <dj@redhat.com>
1995
1996         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1997         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1998         (m32c_hard_regno_ok): Call the underlying function.
1999
2000 2008-01-10  Richard Guenther  <rguenther@suse.de>
2001
2002         PR middle-end/34683
2003         * tree-cfg.c (tree_merge_blocks): Do not go through the
2004         full-blown folding and stmt updating path if we just deal
2005         with virtual operands.
2006         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
2007         test for abnormal SSA_NAMEs.
2008
2009 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2010
2011         PR middle-end/34641
2012         * reload.c (push_reload): Add assertions.  All constants from
2013         reg_equiv_constant should have been used for replacing the respective
2014         pseudo earlier.
2015         (find_reloads_address): Invoke find_reloads_address_part for
2016         constant taken from the reg_equiv_constant array.
2017
2018 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
2019
2020         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
2021         field (valnum) the first in the struct.  Replace bools with
2022         unit bit fields.
2023
2024 2008-01-10  Richard Guenther  <rguenther@suse.de>
2025
2026         PR tree-optimization/34651
2027         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
2028         types and ordering for masking and converting.
2029
2030 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
2031
2032         PR tree-optimization/34017
2033         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
2034         also for PHI_NODE expressions.
2035
2036 2008-01-09  Jan Hubicka  <jh@suse.cz>
2037
2038         PR tree-optimization/34708
2039         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
2040         based on number of case labels.
2041         (init_inline_once): Remove switch_cost.
2042         * tree-inline.h (eni_weights_d): Remove switch_cost.
2043
2044 2008-01-09  Richard Guenther  <rguenther@suse.de>
2045         Andrew Pinski  <andrew_pinski@playstation.sony.com>
2046
2047         PR middle-end/30132
2048         * gimplify.c (gimplify_cond_expr): Do not create an addressable
2049         temporary if an rvalue is ok or an lvalue is not required.
2050
2051 2008-01-09  Richard Guenther  <rguenther@suse.de>
2052
2053         PR middle-end/34458
2054         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
2055         adjust return type.
2056
2057 2008-01-09  Richard Guenther  <rguenther@suse.de>
2058
2059         PR middle-end/34679
2060         * tree.c (host_integerp): Check for sizetype only if the
2061         type is an integer type.
2062
2063 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
2064
2065         PR debug/26364
2066         * opts.c (decode_options): Disable inlining of functions called
2067         once if not in unit-at-a-time mode.
2068
2069 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
2070
2071         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
2072
2073 2008-01-08  Richard Guenther  <rguenther@suse.de>
2074
2075         PR middle-end/31863
2076         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
2077         out early if the result will be unused.
2078
2079 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2080
2081         PR target/34709
2082         Revert:
2083
2084         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2085         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2086         for TARGET_RECIP.
2087
2088 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
2089
2090         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
2091         for vectorization tuned.
2092
2093 2008-01-08  Richard Guenther  <rguenther@suse.de>
2094
2095         PR tree-optimization/34683
2096         * tree-ssa-operands.c (operand_build_cmp): Export.
2097         * tree-ssa-operands.h (operand_build_cmp): Declare.
2098         * tree-vn.c (vuses_compare): Remove.
2099         (sort_vuses): Use operand_build_cmp.
2100         (sort_vuses_heap): Likewise.
2101         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
2102         to re-use old VEC if available.  Do not sort already sorted VUSEs.
2103         (vdefs_to_vec): Do not sort already sorted VDEFs.
2104
2105 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
2106
2107         PR middle-end/34694
2108         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
2109
2110 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
2111
2112         PR target/34702
2113         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
2114         limitations of reciprocal sequences on x86 targets.
2115
2116 2008-01-08  Richard Guenther  <rguenther@suse.de>
2117
2118         PR tree-optimization/34683
2119         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
2120
2121 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
2122
2123         PR target/34622
2124         * config/darwin.c (darwin_mergeable_string_section): Don't use
2125         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
2126
2127 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
2128
2129         PR target/34682
2130         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
2131         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
2132         predicates of op0 and op1 to register_operand.
2133         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
2134         expander using X87MODEF mode iterator.  Change predicates of
2135         op0 and op1 to register_operand.
2136         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
2137         corresponding patterns and macroize using MODEF macro.  Change
2138         predicates of op0 and op1 to register_operand and remove
2139         "m" constraint. Disparage "r" alternative with "!".
2140         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
2141         macroize using X87MODEF macro.  Change predicates of op0 and op1
2142         to register_operand and remove "m" constraint.  Disparage "r"
2143         alternative with "!".
2144         (absneg splitter with memory operands): Remove.
2145         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
2146         patterns and macroize using X87MODEF mode iterator.
2147         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
2148         Change predicate of op1 to register_operand.
2149         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
2150         for memory operands.
2151
2152 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2153
2154         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
2155
2156 2008-01-07  Richard Guenther  <rguenther@suse.de>
2157
2158         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
2159         fields.
2160
2161 2008-01-07  Richard Guenther  <rguenther@suse.de>
2162
2163         PR tree-optimization/34683
2164         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
2165         VOPs of the needed size to save memory.  Use VEC_quick_push
2166         to save compile-time.
2167         (vdefs_to_vec): Likewise.
2168
2169 2008-01-07  Sa Liu  <saliu@de.ibm.com>
2170
2171         * config/spu/spu.md (divdf3): Genetate inline code for double
2172         division.  The implementation doesn't handle INF or NAN, therefore it
2173         only applies when -ffinite-math-only is given.
2174
2175 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
2176
2177         PR libstdc++/34680
2178         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
2179         * doc/cpp.texi ([Common Predefined Macros]): Document.
2180
2181 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
2184         order to use commutative addition instead of subtraction.
2185
2186 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2187             Mircea Namolaru  <namolaru@il.ibm.com>
2188             Vladimir Yanovsky  <yanov@il.ibm.com>
2189             Revital Eres  <eres@il.ibm.com>
2190
2191         PR tree-optimization/34263
2192         * tree-outof-ssa.c (process_single_block_loop_latch,
2193         contains_tree_r): New functions.
2194         (analyze_edges_for_bb): Call process_single_block_loop_latch
2195         function to empty single-basic-block latch block if possible.
2196
2197 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2198
2199         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
2200         for TARGET_RECIP.
2201         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
2202
2203 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2204
2205         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
2206
2207 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
2208
2209         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
2210
2211 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
2212
2213         PR tree-optimization/34618
2214         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
2215         flag from T.
2216
2217 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         PR target/34673
2220         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
2221         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
2222         Update copyright year.
2223
2224         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
2225         Update copyright year.
2226         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
2227         using NR fixup.
2228
2229 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
2230
2231         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
2232         edge does not point to current bb before changing need_assert.
2233
2234 2008-01-04  Richard Guenther  <rguenther@suse.de>
2235
2236         PR middle-end/34029
2237         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
2238         for verifying purposes if they are is_gimple_min_invariant.
2239
2240 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
2241
2242         PR tree-optimization/34448
2243         PR tree-optimization/34465
2244         * gimplify.c (gimplify_init_constructor): Add new parameter
2245         notify_temp_creation.  Use it.
2246         (gimplify_modify_expr_rhs): Take volatiles into account when
2247         optimizing constructors.
2248         Do not optimize constructors if gimplify_init_constructor will dump to
2249         memory.
2250         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
2251         * gcc.c-torture/compile/pr34448.c: New.
2252
2253 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
2254
2255         PR gcov-profile/34609
2256         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
2257         return_slot if result is TREE_ADDRESSABLE.
2258
2259 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
2260
2261         * config/mips/mips.md (sqrt_condition): Tweak comment.
2262         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
2263
2264 2008-01-03  Tom Tromey  <tromey@redhat.com>
2265
2266         PR c/34457
2267         * c-common.c (c_type_hash): Handle VLAs.
2268
2269 2008-01-03  Jan Hubicka  <jh@suse.cz>
2270
2271         PR tree-optimization/31081
2272         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
2273         0 when inlining and not inlining to first basic block.
2274         (remap_decl): When var is initialized to 0, don't set default_def.
2275         (expand_call_inline): Set entry_bb.
2276         * tree-inline.h (copy_body_data): Add entry_bb.
2277
2278 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2279
2280         PR c++/34619
2281         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
2282         before returning.
2283
2284         PR tree-optimization/29484
2285         * tree-inline.c (inline_forbidden_p_2): New function.
2286         (inline_forbidden_p): Disallow inlining if some static var
2287         has an address of a local LABEL_DECL in its initializer.
2288         * doc/extend.texi (Labels as Values): Document &&foo behaviour
2289         vs. inlining.
2290
2291 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
2292
2293         PR tree-optimization/34635
2294         * tree-data-ref.c (add_other_self_distances): Make sure that the
2295         evolution step is constant.
2296
2297 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
2298
2299         PR middle-end/34608
2300         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
2301
2302 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
2303
2304         * tree-sra.c (scalarize_init): Insert the generate_element_init
2305         statements after the generate_element_zero statements.
2306
2307 2008-01-02  Richard Guenther  <rguenther@suse.de>
2308
2309         PR middle-end/34093
2310         PR middle-end/31976
2311         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
2312         for very large number of operands instead of ICEing.
2313
2314 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
2315
2316         PR target/34013
2317         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
2318         while stack probing.
2319
2320 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
2321
2322         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
2323         in C++0x mode.
2324
2325 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
2326
2327         PR libmudflap/26442
2328         * tree-mudflap.c (mx_register_decls): Guard warning by
2329         !DECL_ARTIFICIAL check.
2330
2331 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
2332
2333         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
2334         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
2335         sse5_perm<mode>): Fix constraints.