gcc/ChangeLog

   1 2008-01-16  Richard Guenther  <rguenther@suse.de>
   2
   3         PR c/34768
   4         * c-typeck.c (common_pointer_type): Do not merge inconsistent
   5         type qualifiers for function types.
   6
   7 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
   8
   9         * tree-parloops (gen_parallel_loop): Revert my fix.
  10
  11 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  12
  13         * tree-parloops.c (gen_parallel_loop): Fix previous change, declare li.
  14
  15 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  16
  17         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
  18         loop_iterator li from previous commit.
  19
  20 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
  23
  24 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  25
  26         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
  27         (parallelize_loops): Don't parallelize irreducible components.
  28
  29 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  30
  31         PR c++/24924
  32         * c-opts (c_common_post_options): Do not enable CPP
  33         flag_pedantic_errors by default.
  34
  35 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
  36
  37         PR rtl-optimization/31944
  38         * cse.c (remove_pseudo_from_table): New function.
  39         (merge_equiv_classes): Use above function to remove pseudo-registers.
  40         (invalidate): Likewise.
  41
  42 2008-01-13  Richard Guenther  <rguenther@suse.de>
  43
  44         PR middle-end/34601
  45         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
  46         instead of TYPE_MODE to deal with calls from expand_one_error_var.
  47
  48 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
  49
  50         * gcse.c (cprop_jump): Call validate_unshare_change instead of
  51         validate_change to unshare the source of the PC set.
  52
  53 2008-01-12  Jan Hubicka  <jh@suse.cz>
  54
  55         PR middle-end/32135
  56         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
  57         references above array bounds.  This might trigger bounds checks for
  58         pointers to arrays.
  59
  60 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  61
  62         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
  63         new_replaceable_dependencies.
  64
  65 2008-01-12  Doug Kwan  <dougkwan@google.com>
  66
  67         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
  68         instead of OPT_Wreturn_type in warning due to ignored return type
  69         qualifiers.
  70         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
  71         options included in -Wextra.
  72         * c.opt: New option -Wignored_qualifiers.
  73         * doc/invoke.texi (Warning Options, -Wextra): Add new option
  74         -Wignore_qualifiers.
  75         (-Wignored-qualifiers): Document.
  76         (-Wreturn-type): Remove description of functionality now handled
  77         by -Wignored-qualifiers.
  78
  79 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
  80
  81         PR ada/33788
  82         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
  83         NOP_EXPR if it is between integral types with the same precision.
  84
  85 2008-01-12  Jan Hubicka  <jh@suse.cz>
  86
  87         PR other/28023
  88         * invoke.texi (max-inline-recursive-depth): Fix default value.
  89
  90 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
  91
  92         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
  93         correct type.
  94
  95 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
  96
  97         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
  98
  99 2008-01-11  James E. Wilson  <wilson@specifix.com>
 100
 101         PR target/26015
 102         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 103
 104 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 105
 106         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 107         save/restore frame pointer register and don't use 'call-prologues'
 108         optimization in function with "OS_task" attribute.
 109
 110 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 111
 112         PR middle-end/31309
 113         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 114         when copying to memory.
 115
 116 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 117
 118         PR rtl-optimization/30905
 119         * cfgcleanup.c: Include dce.h
 120         (crossjumps_occured): New global variable.
 121         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 122         If something changed, set crossjumps_occured to true.
 123         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 124         Don't add/remove fake edges to exit here...
 125         (cleanup_cfg): ...but do it here, when crossjumping.
 126         Run a fast DCE when successful crossjumps occured in the latest
 127         iteration of try_optimize_cfg.
 128
 129 2008-01-11  Richard Guenther  <rguenther@suse.de>
 130
 131         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 132         (struct vn_unary_op_s): Likewise.
 133         (vn_reference_insert): Free old reference on hash collision.
 134
 135 2008-01-10  Raksit Ashok  <raksit@google.com>
 136
 137         PR rtl-optimization/27971
 138         * combine.c (find_split_point): Split PLUS expressions which are
 139         inside a MEM rtx, and whose first operand is complex.
 140
 141 2008-01-10  DJ Delorie  <dj@redhat.com>
 142
 143         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 144         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 145         (m32c_hard_regno_ok): Call the underlying function.
 146
 147 2008-01-10  Richard Guenther  <rguenther@suse.de>
 148
 149         PR middle-end/34683
 150         * tree-cfg.c (tree_merge_blocks): Do not go through the
 151         full-blown folding and stmt updating path if we just deal
 152         with virtual operands.
 153         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 154         test for abnormal SSA_NAMEs.
 155
 156 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 157
 158         PR middle-end/34641
 159         * reload.c (push_reload): Add assertions.  All constants from
 160         reg_equiv_constant should have been used for replacing the respective
 161         pseudo earlier.
 162         (find_reloads_address): Invoke find_reloads_address_part for
 163         constant taken from the reg_equiv_constant array.
 164
 165 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 166
 167         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 168         field (valnum) the first in the struct.  Replace bools with
 169         unit bit fields.
 170
 171 2008-01-10  Richard Guenther  <rguenther@suse.de>
 172
 173         PR tree-optimization/34651
 174         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 175         types and ordering for masking and converting.
 176
 177 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 178
 179         PR tree-optimization/34017
 180         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 181         also for PHI_NODE expressions.
 182
 183 2008-01-09  Jan Hubicka  <jh@suse.cz>
 184
 185         PR tree-optimization/34708
 186         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 187         based on number of case labels.
 188         (init_inline_once): Remove switch_cost.
 189         * tree-inline.h (eni_weights_d): Remove switch_cost.
 190
 191 2008-01-09  Richard Guenther  <rguenther@suse.de>
 192         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 193
 194         PR middle-end/30132
 195         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 196         temporary if an rvalue is ok or an lvalue is not required.
 197
 198 2008-01-09  Richard Guenther  <rguenther@suse.de>
 199
 200         PR middle-end/34458
 201         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 202         adjust return type.
 203
 204 2008-01-09  Richard Guenther  <rguenther@suse.de>
 205
 206         PR middle-end/34679
 207         * tree.c (host_integerp): Check for sizetype only if the
 208         type is an integer type.
 209
 210 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 211
 212         PR debug/26364
 213         * opts.c (decode_options): Disable inlining of functions called
 214         once if not in unit-at-a-time mode.
 215
 216 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 217
 218         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 219
 220 2008-01-08  Richard Guenther  <rguenther@suse.de>
 221
 222         PR middle-end/31863
 223         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 224         out early if the result will be unused.
 225
 226 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 227
 228         PR target/34709
 229         Revert:
 230
 231         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 232         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 233         for TARGET_RECIP.
 234
 235 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 236
 237         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 238         for vectorization tuned.
 239
 240 2008-01-08  Richard Guenther  <rguenther@suse.de>
 241
 242         PR tree-optimization/34683
 243         * tree-ssa-operands.c (operand_build_cmp): Export.
 244         * tree-ssa-operands.h (operand_build_cmp): Declare.
 245         * tree-vn.c (vuses_compare): Remove.
 246         (sort_vuses): Use operand_build_cmp.
 247         (sort_vuses_heap): Likewise.
 248         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 249         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 250         (vdefs_to_vec): Do not sort already sorted VDEFs.
 251
 252 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 253
 254         PR middle-end/34694
 255         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 256
 257 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 258
 259         PR target/34702
 260         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 261         limitations of reciprocal sequences on x86 targets.
 262
 263 2008-01-08  Richard Guenther  <rguenther@suse.de>
 264
 265         PR tree-optimization/34683
 266         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 267
 268 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 269
 270         PR target/34622
 271         * config/darwin.c (darwin_mergeable_string_section): Don't use
 272         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 273
 274 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 275
 276         PR target/34682
 277         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 278         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 279         predicates of op0 and op1 to register_operand.
 280         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 281         expander using X87MODEF mode iterator.  Change predicates of
 282         op0 and op1 to register_operand.
 283         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 284         corresponding patterns and macroize using MODEF macro.  Change
 285         predicates of op0 and op1 to register_operand and remove
 286         "m" constraint. Disparage "r" alternative with "!".
 287         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 288         macroize using X87MODEF macro.  Change predicates of op0 and op1
 289         to register_operand and remove "m" constraint.  Disparage "r"
 290         alternative with "!".
 291         (absneg splitter with memory operands): Remove.
 292         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 293         patterns and macroize using X87MODEF mode iterator.
 294         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 295         Change predicate of op1 to register_operand.
 296         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 297         for memory operands.
 298
 299 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 300
 301         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 302
 303 2008-01-07  Richard Guenther  <rguenther@suse.de>
 304
 305         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 306         fields.
 307
 308 2008-01-07  Richard Guenther  <rguenther@suse.de>
 309
 310         PR tree-optimization/34683
 311         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 312         VOPs of the needed size to save memory.  Use VEC_quick_push
 313         to save compile-time.
 314         (vdefs_to_vec): Likewise.
 315
 316 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 317
 318         * config/spu/spu.md (divdf3): Genetate inline code for double
 319         division.  The implementation doesn't handle INF or NAN, therefore it
 320         only applies when -ffinite-math-only is given.
 321
 322 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 323
 324         PR libstdc++/34680
 325         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 326         * doc/cpp.texi ([Common Predefined Macros]): Document.
 327
 328 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 329
 330         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 331         order to use commutative addition instead of subtraction.
 332
 333 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 334             Mircea Namolaru  <namolaru@il.ibm.com>
 335             Vladimir Yanovsky  <yanov@il.ibm.com>
 336             Revital Eres  <eres@il.ibm.com>
 337
 338         PR tree-optimization/34263
 339         * tree-outof-ssa.c (process_single_block_loop_latch,
 340         contains_tree_r): New functions.
 341         (analyze_edges_for_bb): Call process_single_block_loop_latch
 342         function to empty single-basic-block latch block if possible.
 343
 344 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 345
 346         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 347         for TARGET_RECIP.
 348         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 349
 350 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 351
 352         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 353
 354 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 355
 356         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 357
 358 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 359
 360         PR tree-optimization/34618
 361         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 362         flag from T.
 363
 364 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 365
 366         PR target/34673
 367         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 368         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 369         Update copyright year.
 370
 371         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 372         Update copyright year.
 373         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 374         using NR fixup.
 375
 376 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 377
 378         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 379         edge does not point to current bb before changing need_assert.
 380
 381 2008-01-04  Richard Guenther  <rguenther@suse.de>
 382
 383         PR middle-end/34029
 384         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 385         for verifying purposes if they are is_gimple_min_invariant.
 386
 387 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 388
 389         PR tree-optimization/34448
 390         PR tree-optimization/34465
 391         * gimplify.c (gimplify_init_constructor): Add new parameter
 392         notify_temp_creation.  Use it.
 393         (gimplify_modify_expr_rhs): Take volatiles into account when
 394         optimizing constructors.
 395         Do not optimize constructors if gimplify_init_constructor will dump to
 396         memory.
 397         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 398         * gcc.c-torture/compile/pr34448.c: New.
 399
 400 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 401
 402         PR gcov-profile/34609
 403         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 404         return_slot if result is TREE_ADDRESSABLE.
 405
 406 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 407
 408         * config/mips/mips.md (sqrt_condition): Tweak comment.
 409         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 410
 411 2008-01-03  Tom Tromey  <tromey@redhat.com>
 412
 413         PR c/34457
 414         * c-common.c (c_type_hash): Handle VLAs.
 415
 416 2008-01-03  Jan Hubicka  <jh@suse.cz>
 417
 418         PR tree-optimization/31081
 419         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 420         0 when inlining and not inlining to first basic block.
 421         (remap_decl): When var is initialized to 0, don't set default_def.
 422         (expand_call_inline): Set entry_bb.
 423         * tree-inline.h (copy_body_data): Add entry_bb.
 424
 425 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 426
 427         PR c++/34619
 428         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 429         before returning.
 430
 431         PR tree-optimization/29484
 432         * tree-inline.c (inline_forbidden_p_2): New function.
 433         (inline_forbidden_p): Disallow inlining if some static var
 434         has an address of a local LABEL_DECL in its initializer.
 435         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 436         vs. inlining.
 437
 438 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 439
 440         PR tree-optimization/34635
 441         * tree-data-ref.c (add_other_self_distances): Make sure that the
 442         evolution step is constant.
 443
 444 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 445
 446         PR middle-end/34608
 447         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 448
 449 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 450
 451         * tree-sra.c (scalarize_init): Insert the generate_element_init
 452         statements after the generate_element_zero statements.
 453
 454 2008-01-02  Richard Guenther  <rguenther@suse.de>
 455
 456         PR middle-end/34093
 457         PR middle-end/31976
 458         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 459         for very large number of operands instead of ICEing.
 460
 461 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 462
 463         PR target/34013
 464         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 465         while stack probing.
 466
 467 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 468
 469         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 470         in C++0x mode.
 471
 472 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 473
 474         PR libmudflap/26442
 475         * tree-mudflap.c (mx_register_decls): Guard warning by
 476         !DECL_ARTIFICIAL check.
 477
 478 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 479
 480         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 481         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 482         sse5_perm<mode>): Fix constraints.