gcc/ChangeLog

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