gcc/ChangeLog

   1 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-parloops.c (gen_parallel_loop): Fix previous change, declare li.
   4
   5 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
   6
   7         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
   8         loop_iterator li from previous commit.
   9
  10 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  11
  12         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
  13
  14 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  15
  16         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
  17         (parallelize_loops): Don't parallelize irreducible components.
  18
  19 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  20
  21         PR c++/24924
  22         * c-opts (c_common_post_options): Do not enable CPP
  23         flag_pedantic_errors by default.
  24
  25 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
  26
  27         PR rtl-optimization/31944
  28         * cse.c (remove_pseudo_from_table): New function.
  29         (merge_equiv_classes): Use above function to remove pseudo-registers.
  30         (invalidate): Likewise.
  31
  32 2008-01-13  Richard Guenther  <rguenther@suse.de>
  33
  34         PR middle-end/34601
  35         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
  36         instead of TYPE_MODE to deal with calls from expand_one_error_var.
  37
  38 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
  39
  40         * gcse.c (cprop_jump): Call validate_unshare_change instead of
  41         validate_change to unshare the source of the PC set.
  42
  43 2008-01-12  Jan Hubicka  <jh@suse.cz>
  44
  45         PR middle-end/32135
  46         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
  47         references above array bounds.  This might trigger bounds checks for
  48         pointers to arrays.
  49
  50 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  51
  52         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
  53         new_replaceable_dependencies.
  54
  55 2008-01-12  Doug Kwan  <dougkwan@google.com>
  56
  57         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
  58         instead of OPT_Wreturn_type in warning due to ignored return type
  59         qualifiers.
  60         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
  61         options included in -Wextra.
  62         * c.opt: New option -Wignored_qualifiers.
  63         * doc/invoke.texi (Warning Options, -Wextra): Add new option
  64         -Wignore_qualifiers.
  65         (-Wignored-qualifiers): Document.
  66         (-Wreturn-type): Remove description of functionality now handled
  67         by -Wignored-qualifiers.
  68
  69 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
  70
  71         PR ada/33788
  72         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
  73         NOP_EXPR if it is between integral types with the same precision.
  74
  75 2008-01-12  Jan Hubicka  <jh@suse.cz>
  76
  77         PR other/28023
  78         * invoke.texi (max-inline-recursive-depth): Fix default value.
  79
  80 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
  81
  82         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
  83         correct type.
  84
  85 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
  86
  87         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
  88
  89 2008-01-11  James E. Wilson  <wilson@specifix.com>
  90
  91         PR target/26015
  92         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
  93
  94 2008-01-11  Anatoly Sokolov <aesok@post.ru>
  95
  96         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
  97         save/restore frame pointer register and don't use 'call-prologues'
  98         optimization in function with "OS_task" attribute.
  99
 100 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 101
 102         PR middle-end/31309
 103         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 104         when copying to memory.
 105
 106 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 107
 108         PR rtl-optimization/30905
 109         * cfgcleanup.c: Include dce.h
 110         (crossjumps_occured): New global variable.
 111         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 112         If something changed, set crossjumps_occured to true.
 113         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 114         Don't add/remove fake edges to exit here...
 115         (cleanup_cfg): ...but do it here, when crossjumping.
 116         Run a fast DCE when successful crossjumps occured in the latest
 117         iteration of try_optimize_cfg.
 118
 119 2008-01-11  Richard Guenther  <rguenther@suse.de>
 120
 121         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 122         (struct vn_unary_op_s): Likewise.
 123         (vn_reference_insert): Free old reference on hash collision.
 124
 125 2008-01-10  Raksit Ashok  <raksit@google.com>
 126
 127         PR rtl-optimization/27971
 128         * combine.c (find_split_point): Split PLUS expressions which are
 129         inside a MEM rtx, and whose first operand is complex.
 130
 131 2008-01-10  DJ Delorie  <dj@redhat.com>
 132
 133         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 134         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 135         (m32c_hard_regno_ok): Call the underlying function.
 136
 137 2008-01-10  Richard Guenther  <rguenther@suse.de>
 138
 139         PR middle-end/34683
 140         * tree-cfg.c (tree_merge_blocks): Do not go through the
 141         full-blown folding and stmt updating path if we just deal
 142         with virtual operands.
 143         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 144         test for abnormal SSA_NAMEs.
 145
 146 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 147
 148         PR middle-end/34641
 149         * reload.c (push_reload): Add assertions.  All constants from
 150         reg_equiv_constant should have been used for replacing the respective
 151         pseudo earlier.
 152         (find_reloads_address): Invoke find_reloads_address_part for
 153         constant taken from the reg_equiv_constant array.
 154
 155 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 156
 157         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 158         field (valnum) the first in the struct.  Replace bools with
 159         unit bit fields.
 160
 161 2008-01-10  Richard Guenther  <rguenther@suse.de>
 162
 163         PR tree-optimization/34651
 164         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 165         types and ordering for masking and converting.
 166
 167 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 168
 169         PR tree-optimization/34017
 170         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 171         also for PHI_NODE expressions.
 172
 173 2008-01-09  Jan Hubicka  <jh@suse.cz>
 174
 175         PR tree-optimization/34708
 176         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 177         based on number of case labels.
 178         (init_inline_once): Remove switch_cost.
 179         * tree-inline.h (eni_weights_d): Remove switch_cost.
 180
 181 2008-01-09  Richard Guenther  <rguenther@suse.de>
 182         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 183
 184         PR middle-end/30132
 185         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 186         temporary if an rvalue is ok or an lvalue is not required.
 187
 188 2008-01-09  Richard Guenther  <rguenther@suse.de>
 189
 190         PR middle-end/34458
 191         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 192         adjust return type.
 193
 194 2008-01-09  Richard Guenther  <rguenther@suse.de>
 195
 196         PR middle-end/34679
 197         * tree.c (host_integerp): Check for sizetype only if the
 198         type is an integer type.
 199
 200 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 201
 202         PR debug/26364
 203         * opts.c (decode_options): Disable inlining of functions called
 204         once if not in unit-at-a-time mode.
 205
 206 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 207
 208         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 209
 210 2008-01-08  Richard Guenther  <rguenther@suse.de>
 211
 212         PR middle-end/31863
 213         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 214         out early if the result will be unused.
 215
 216 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 217
 218         PR target/34709
 219         Revert:
 220
 221         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 222         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 223         for TARGET_RECIP.
 224
 225 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 226
 227         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 228         for vectorization tuned.
 229
 230 2008-01-08  Richard Guenther  <rguenther@suse.de>
 231
 232         PR tree-optimization/34683
 233         * tree-ssa-operands.c (operand_build_cmp): Export.
 234         * tree-ssa-operands.h (operand_build_cmp): Declare.
 235         * tree-vn.c (vuses_compare): Remove.
 236         (sort_vuses): Use operand_build_cmp.
 237         (sort_vuses_heap): Likewise.
 238         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 239         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 240         (vdefs_to_vec): Do not sort already sorted VDEFs.
 241
 242 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 243
 244         PR middle-end/34694
 245         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 246
 247 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 248
 249         PR target/34702
 250         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 251         limitations of reciprocal sequences on x86 targets.
 252
 253 2008-01-08  Richard Guenther  <rguenther@suse.de>
 254
 255         PR tree-optimization/34683
 256         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 257
 258 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 259
 260         PR target/34622
 261         * config/darwin.c (darwin_mergeable_string_section): Don't use
 262         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 263
 264 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 265
 266         PR target/34682
 267         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 268         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 269         predicates of op0 and op1 to register_operand.
 270         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 271         expander using X87MODEF mode iterator.  Change predicates of
 272         op0 and op1 to register_operand.
 273         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 274         corresponding patterns and macroize using MODEF macro.  Change
 275         predicates of op0 and op1 to register_operand and remove
 276         "m" constraint. Disparage "r" alternative with "!".
 277         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 278         macroize using X87MODEF macro.  Change predicates of op0 and op1
 279         to register_operand and remove "m" constraint.  Disparage "r"
 280         alternative with "!".
 281         (absneg splitter with memory operands): Remove.
 282         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 283         patterns and macroize using X87MODEF mode iterator.
 284         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 285         Change predicate of op1 to register_operand.
 286         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 287         for memory operands.
 288
 289 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 290
 291         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 292
 293 2008-01-07  Richard Guenther  <rguenther@suse.de>
 294
 295         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 296         fields.
 297
 298 2008-01-07  Richard Guenther  <rguenther@suse.de>
 299
 300         PR tree-optimization/34683
 301         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 302         VOPs of the needed size to save memory.  Use VEC_quick_push
 303         to save compile-time.
 304         (vdefs_to_vec): Likewise.
 305
 306 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 307
 308         * config/spu/spu.md (divdf3): Genetate inline code for double
 309         division.  The implementation doesn't handle INF or NAN, therefore it
 310         only applies when -ffinite-math-only is given.
 311
 312 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 313
 314         PR libstdc++/34680
 315         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 316         * doc/cpp.texi ([Common Predefined Macros]): Document.
 317
 318 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 319
 320         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 321         order to use commutative addition instead of subtraction.
 322
 323 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 324             Mircea Namolaru  <namolaru@il.ibm.com>
 325             Vladimir Yanovsky  <yanov@il.ibm.com>
 326             Revital Eres  <eres@il.ibm.com>
 327
 328         PR tree-optimization/34263
 329         * tree-outof-ssa.c (process_single_block_loop_latch,
 330         contains_tree_r): New functions.
 331         (analyze_edges_for_bb): Call process_single_block_loop_latch
 332         function to empty single-basic-block latch block if possible.
 333
 334 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 335
 336         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 337         for TARGET_RECIP.
 338         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 339
 340 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 341
 342         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 343
 344 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 345
 346         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 347
 348 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 349
 350         PR tree-optimization/34618
 351         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 352         flag from T.
 353
 354 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 355
 356         PR target/34673
 357         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 358         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 359         Update copyright year.
 360
 361         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 362         Update copyright year.
 363         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 364         using NR fixup.
 365
 366 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 367
 368         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 369         edge does not point to current bb before changing need_assert.
 370
 371 2008-01-04  Richard Guenther  <rguenther@suse.de>
 372
 373         PR middle-end/34029
 374         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 375         for verifying purposes if they are is_gimple_min_invariant.
 376
 377 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 378
 379         PR tree-optimization/34448
 380         PR tree-optimization/34465
 381         * gimplify.c (gimplify_init_constructor): Add new parameter
 382         notify_temp_creation.  Use it.
 383         (gimplify_modify_expr_rhs): Take volatiles into account when
 384         optimizing constructors.
 385         Do not optimize constructors if gimplify_init_constructor will dump to
 386         memory.
 387         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 388         * gcc.c-torture/compile/pr34448.c: New.
 389
 390 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 391
 392         PR gcov-profile/34609
 393         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 394         return_slot if result is TREE_ADDRESSABLE.
 395
 396 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 397
 398         * config/mips/mips.md (sqrt_condition): Tweak comment.
 399         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 400
 401 2008-01-03  Tom Tromey  <tromey@redhat.com>
 402
 403         PR c/34457
 404         * c-common.c (c_type_hash): Handle VLAs.
 405
 406 2008-01-03  Jan Hubicka  <jh@suse.cz>
 407
 408         PR tree-optimization/31081
 409         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 410         0 when inlining and not inlining to first basic block.
 411         (remap_decl): When var is initialized to 0, don't set default_def.
 412         (expand_call_inline): Set entry_bb.
 413         * tree-inline.h (copy_body_data): Add entry_bb.
 414
 415 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 416
 417         PR c++/34619
 418         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 419         before returning.
 420
 421         PR tree-optimization/29484
 422         * tree-inline.c (inline_forbidden_p_2): New function.
 423         (inline_forbidden_p): Disallow inlining if some static var
 424         has an address of a local LABEL_DECL in its initializer.
 425         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 426         vs. inlining.
 427
 428 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 429
 430         PR tree-optimization/34635
 431         * tree-data-ref.c (add_other_self_distances): Make sure that the
 432         evolution step is constant.
 433
 434 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 435
 436         PR middle-end/34608
 437         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 438
 439 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 440
 441         * tree-sra.c (scalarize_init): Insert the generate_element_init
 442         statements after the generate_element_zero statements.
 443
 444 2008-01-02  Richard Guenther  <rguenther@suse.de>
 445
 446         PR middle-end/34093
 447         PR middle-end/31976
 448         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 449         for very large number of operands instead of ICEing.
 450
 451 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 452
 453         PR target/34013
 454         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 455         while stack probing.
 456
 457 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 458
 459         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 460         in C++0x mode.
 461
 462 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 463
 464         PR libmudflap/26442
 465         * tree-mudflap.c (mx_register_decls): Guard warning by
 466         !DECL_ARTIFICIAL check.
 467
 468 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 469
 470         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 471         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 472         sse5_perm<mode>): Fix constraints.