gcc/ChangeLog

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