gcc/ChangeLog

   1 2008-04-02  Ben Elliston  <bje@au.ibm.com>
   2
   3         * config/v850/v850.md (casesi): Remove if (0) code.
   4         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
   5         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
   6
   7 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         * config/i386/i386.md (rex64suffix): New mode attribute.
  10         (floathi<mode>2): Disable expander for SSE math.
  11         (*floathi<mode>2_1): New insn insn_and_split pattern.
  12         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
  13         corresponding post-reload splitters.
  14         (*floathi<mode>2_i387): New macroized insn pattern.
  15         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
  16         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
  17         insn_and_split pattern.
  18         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
  19         New macroized instruction patterns and corresponding post-reload
  20         splitters.
  21         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
  22         and corresponding post-reload splitters.
  23         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
  24         New macroized instruction patterns.
  25         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
  26         macroized instruction patterns and corresponding post-reload splitters.
  27         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
  28         corresponding post-reload splitters.
  29         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
  30         New macroized instruction patterns.
  31         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
  32         corresponding post-reload splitters.
  33         (*floatsi<mode>2_i387): New macroized instruction patterns.
  34
  35 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
  36
  37         * config/i386/i386.md (smaxmin): New.
  38         (umaxmin): Likewise.
  39         (maxminiprefix): Likewise.
  40         (maxminfprefix): Likewise.
  41         (<code><mode>3): Likewise.
  42         (smin<mode>3): Removed.
  43         (smax<mode>3): Likewise.
  44
  45         * config/i386/mmx.md (mmx_<code>v2sf3): New.
  46         (mmx_<code>v4hi3): Likewise.
  47         (mmx_<code>v8qi3): Likewise.
  48         (mmx_smaxv2sf3): Removed.
  49         (mmx_sminv2sf3): Likewise.
  50         (mmx_umaxv8qi3): Likewise.
  51         (mmx_smaxv4hi3): Likewise.
  52         (mmx_uminv8qi3): Likewise.
  53         (mmx_sminv4hi3): Likewise.
  54
  55         * config/i386/sse.md (<addsub><mode>3): New.
  56         (*<addsub><mode>3): Likewise.
  57         (<sse>_vm<addsub><mode>3): Likewise.
  58         (<maxmin><mode>3): Likewise.
  59         (*<maxmin><mode>3_finite): Likewise.
  60         (*<maxmin><mode>3): Likewise.
  61         (<sse>_vm<maxmin><mode>3): Likewise.
  62         (sse3_h<addsub>v4sf3): Likewise.
  63         (sse3_h<addsub>v2df3): Likewise.
  64         (<maxmin>v16qi3): Likewise.
  65         (*<maxmin>v16qi3): Likewise.
  66         (<maxmin>v8hi3): Likewise.
  67         (*<maxmin>v8hi3): Likewise.
  68         (*sse4_1_<maxmin><mode>3): Likewise.
  69         (*sse4_1_<maxmin><mode>3): Likewise.
  70         (add<mode>3): Removed.
  71         (*add<mode>3): Likewise.
  72         (<sse>_vmadd<mode>3): Likewise.
  73         (sub<mode>3): Likewise.
  74         (*sub<mode>3): Likewise.
  75         (<sse>_vmsub<mode>3): Likewise.
  76         (smin<mode>3): Likewise.
  77         (*smin<mode>3_finite): Likewise.
  78         (*smin<mode>3): Likewise.
  79         (<sse>_vmsmin<mode>3): Likewise.
  80         (smax<mode>3): Likewise.
  81         (*smax<mode>3_finite): Likewise.
  82         (*smax<mode>3): Likewise.
  83         (<sse>_vmsmax<mode>3): Likewise.
  84         (sse3_haddv4sf3): Likewise.
  85         (sse3_haddv2df3): Likewise.
  86         (sse3_hsubv4sf3): Likewise.
  87         (sse3_hsubv2df3): Likewise.
  88         (umaxv16qi3): Likewise.
  89         (*umaxv16qi3): Likewise.
  90         (smaxv8hi3): Likewise.
  91         (*smaxv8hi3): Likewise.
  92         (*sse4_1_smax<mode>3): Likewise.
  93         (*sse4_1_umax<mode>3): Likewise.
  94         (uminv16qi3): Likewise.
  95         (*uminv16qi3): Likewise.
  96         (sminv8hi3): Likewise.
  97         (*sminv8hi3): Likewise.
  98         (*sse4_1_smin<mode>3): Likewise.
  99         (*sse4_1_umin<mode>3): Likewise.
 100
 101 2008-04-01  Rafael Espindola  <espindola@google.com>
 102
 103         * tree-cfg.c (verify_expr): remove in_phi.
 104         (verify_stmt): Don't call walk_tree with verify_expr. Use
 105         is_gimple_min_invariant instead of is_gimple_val.
 106
 107 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
 108
 109         * doc/include/gpl_v3.texi: Update for manpage generation.
 110         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
 111         gpl.texi.
 112         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
 113         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
 114         gpl_v3.texi instead of gpl.texi.
 115         (gpl.pod): New.
 116
 117 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
 118
 119         PR pch/13675
 120         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
 121
 122 2008-04-01  Rafael Espindola  <espindola@google.com>
 123
 124         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
 125         (extract_code_and_val_from_cond): Use
 126         extract_code_and_val_from_cond_with_ops.
 127
 128 2008-04-01  Jan Hubicka  <jh@suse.cz>
 129
 130         * function.c (free_after_compilation): Free epilogue_delay_list.
 131         (prepare_function_start): Assert that previous compilation was freed.
 132
 133 2008-04-01  Jan Hubicka  <jh@suse.cz>
 134             Jim Wilson  <wilson@tuliptree.org>
 135             Andreas Tobler <andreast@gcc.gnu.org>
 136
 137         PR middle-end/35781
 138         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
 139         rtl.emit instead cfun->emit.
 140         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
 141         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
 142
 143 2008-04-01  Ben Elliston  <bje@au.ibm.com>
 144
 145         * doc/c-tree.texi (Function Basics): Fix grammatical error.
 146
 147 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
 148
 149         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
 150         New options
 151         (fprofile-use): Add var flag_profile_use
 152         * coverage.c (coverage_begin_output): Do not open a gcno file for
 153         output only if -ftest-coverage is set.
 154         Do not add getpwd() to gcda file path.
 155         (build_gcov_info): Check the new flag
 156         flag_profile_datafile_relative_path.
 157         (coverage_init): Use profile_data_prefix.
 158         Read profile counter only if flag_profile_use is set.
 159         * opts.c (common_handle_option): New option fprofile-use=,
 160         fprofile-dir=, fprofile-generate=.
 161         * toplev.c (profile_data_prefix): New variable definition.
 162         * toplev.h (profile_data_prefix): New declaration.
 163         * doc/invoke.tex (Option Summary, Optimization Options):
 164         Add new options.
 165
 166 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
 167
 168         * varasm.c (output_constant_pool_1): In LABEL_REF check,
 169         use tmp consistently.
 170
 171         PR target/35695
 172         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
 173         * config/ia64/ia64.c (rtx_needs_barrier): Handle
 174         UNSPEC_FR_RECIP_APPROX_RES.
 175         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
 176
 177 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
 178
 179         PR c/35750
 180         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
 181
 182 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 183
 184         PR middle-end/30186
 185         * fold-const.c (fold_indirect_ref_1): Support accessing non first
 186         element of the vector via a pointer.
 187
 188 2008-03-31  Ian Lance Taylor  <iant@google.com>
 189
 190         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
 191
 192 2008-03-31  Jan Hubicka  <jh@suse.cz>
 193
 194         * builtins.c (expand_builtin_setjmp_receiver): Update call of
 195         get_arg_pointer_save_area.
 196         * expr.c (init_expr): Just clear out rtl.expr.
 197         * function.c (free_after_compilation): Clear out whole RTL structure.
 198         (get_func_frame_size): Merge into ...
 199         (get_frame_size): ... this one.
 200         (assign_stack_local_1): Merge into ...
 201         (assign_stack_local): ... this one.
 202         (expand_function_end): Update call of get_arg_pointer_save_area.
 203         (get_art_pointer_save_area): Remove cfun argument.
 204         * function.h (emit_status): regno_pointer_align does not need length
 205         attribute. Move x_regno_reg_rtx to ...
 206         (regno_reg_rtx): ... new global array.
 207         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
 208         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
 209         apply_args_value, forced_labels, stack_pointer_delta):
 210         Update accestors.
 211         (struct varasm_status): Move here from varasm.c
 212         (struct rtl_data): New. Move here some fields from struct function.
 213         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
 214         frame_offset, stack_check_probe_note, arg_pointer_save_area,
 215         used_temp_slots avail_temp_slots, temp_slot_level,
 216         nonlocal_goto_handler_labels): Update accesstors.
 217         (rtl): New global variable.
 218         (struct function): Move some fileds to rtl_data.
 219         (get_arg_pointer_save_area): Update prototype.
 220         * emit-rtl.c (rtl): Declare.
 221         (regno_reg_rtx): Declare.
 222         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
 223         Update.
 224         (gen_reg_rtx): Update.
 225         (init_virtual_regs): Do not tate emit_status argument.
 226         (init_emit): Do not allocate emit.
 227         * varasm.c (varasm_statuc): Move to function.h.
 228         (n_deferred_constatns): Update accestor.
 229         (init_varasm_status): Do not allocate varasm_status.
 230         (force_const_mem, get_pool_size, output_constant_pool): Update.
 231         * stmt.c (force_label_rtx): Do not use x_ prefixes.
 232         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
 233
 234 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
 235
 236         PR rtl-optimization/35729
 237         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
 238         references.
 239
 240 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
 241
 242         PR target/32000
 243         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
 244         load/store if memory is unaligned.
 245         (*movti_rex64): Likewise.
 246
 247         * config/i386/predicates.md (misaligned_operand): New.
 248
 249 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
 250
 251         PR tree-opt/35431
 252         * tree-ssa-phiopt.c (conditional_replacement): Return early for
 253         complex types.
 254
 255 2008-03-31  Jan Beulich  <jbeulich@novell.com>
 256
 257         * config/ia64/constraints.md: Add 'j' constraint.
 258         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
 259         (movdi_internal): Likewise.
 260
 261 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
 262
 263         PR c/35748
 264         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
 265
 266 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
 267
 268         PR target/35757
 269         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
 270         proper error message for the third argument on blendpd and
 271         blendps.
 272
 273         * config/i386/sse.md (blendbits): New.
 274         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
 275
 276 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
 277
 278         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
 279
 280 2008-03-30  Richard Guenther  <rguenther@suse.de>
 281
 282         PR middle-end/31023
 283         * fold-const.c (fold_sign_changed_comparison): Do leave
 284         conversions to base-types alone.
 285
 286 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 287
 288         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
 289         the link register if one altivec register is be saved.
 290
 291 2008-03-30  Ben Elliston  <bje@au.ibm.com>
 292
 293         * final.c (final_scan_insn): Remove if (0) code.
 294
 295 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
 296
 297         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
 298
 299 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
 300
 301         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
 302         of V4SFmode to ix86_binary_operator_ok.
 303
 304 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
 305
 306         * config/i386/i386.c (override_options): Initialize
 307         ix86_veclib_handler to ix86_veclibabi_svml when
 308         -mveclibabi=svml is used.
 309         (ix86_veclibabi_svml): New function for SVML ABI style
 310         vectorization support.
 311         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
 312
 313 2008-03-28  Rafael Espindola  <espindola@google.com>
 314
 315         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
 316         (tree_binary_nonnegative_warnv_p): Make it public.
 317         (tree_single_nonnegative_warnv_p): Make it public.
 318         (tree_invalid_nonnegative_warnv_p): Make it public.
 319         (tree_unary_nonzero_warnv_p): Make it public.
 320         (tree_binary_nonzero_warnv_p): Make it public
 321         (tree_single_nonzero_warnv_p): Make it public.
 322         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
 323         (extract_range_from_binary_expr): Split the expr argument.
 324         (extract_range_from_unary_expr): Split the expr argument.
 325         (extract_range_from_comparison): Split the expr argument.
 326         (extract_range_from_expr): Use the new aux functions.
 327         (vrp_evaluate_conditional_warnv): Use
 328         vrp_evaluate_conditional_warnv_with_ops.
 329         * tree.h (tree_unary_nonzero_warnv_p): Declare.
 330         (tree_binary_nonzero_warnv_p): Declare.
 331         (tree_single_nonzero_warnv_p): Declare.
 332         (tree_expr_nonzero_warnv_p): Declare.
 333         (tree_unary_nonnegative_warnv_p): Declare.
 334         (tree_binary_nonnegative_warnv_p): Declare.
 335         (tree_single_nonnegative_warnv_p): Declare.
 336         (tree_invalid_nonnegative_warnv_p): Declare.
 337
 338 2008-03-28  Richard Guenther  <rguenther@suse.de>
 339
 340         PR tree-optimization/30317
 341         PR tree-optimization/30911
 342         PR tree-optimization/34793
 343         * tree-vrp.c (set_and_canonicalize_value_range): New function.
 344         (struct assert_locus_d): New member EXPR.
 345         (register_new_assert_for): Add EXPR parameter to support
 346         ASSERT_EXPR <name, expr OP limit>.
 347         (register_edge_assert_for_1): Adjust callers.
 348         (find_assert_locations): Likewise.
 349         (process_assert_insertions_for): Build condition from expression.
 350         (extract_range_from_assert): Handle ASSERT_EXPRs
 351         of the form ASSERT_EXPR <name, expr OP limit>.
 352         (register_edge_assert_for_2): New helper registering
 353         asserts for comparisons.  Recognize range tests of the form
 354         (unsigned)i - CST1 OP CST2.
 355         (register_edge_assert_for_1): Use it.
 356         (register_edge_assert_for): Likewise.
 357         (needs_overflow_infinity): Integer sub-types
 358         do not need overflow infinities.
 359         (vrp_val_is_max): The extreme values of integer sub-types
 360         are those of the base type.
 361         (vrp_val_is_min): Likewise.
 362         * tree.def (ASSERT_EXPR): Document extra allowed conditional
 363         expressions.
 364
 365 2008-03-28  Nick Clifton  <nickc@redhat.com>
 366
 367         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
 368         Return GENERAL_REGS for stack adjustment reloads.
 369
 370 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 371
 372         PR target/31334
 373         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
 374         const_vector when all the vectors are constant.
 375
 376 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
 377
 378         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
 379         comparisons.
 380         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
 381         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
 382         (scc_sf): New.
 383         (s<code>_sf): Use new scc_sf attribute for opcode names.
 384
 385 2008-03-27  Tom Tromey  <tromey@redhat.com>
 386
 387         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
 388         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
 389         config/spu/t-spu-elf, config/i386/t-interix,
 390         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
 391         config/i386/x-darwin, config/i386/x-mingw32,
 392         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
 393         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
 394         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
 395         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
 396         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
 397         config/rs6000/x-darwin, config/rs6000/t-rs6000,
 398         config/score/t-score-elf, config/arm/t-strongarm-pe,
 399         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
 400         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
 401         Revert automatic dependency patch.
 402
 403 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
 404
 405         PR target/35657
 406         * config/i386/i386.c (ix86_function_arg_boundary): Align
 407         decimal floating point to its natural boundary.
 408
 409 2008-03-27  Richard Guenther  <rguenther@suse.de>
 410
 411         PR middle-end/35716
 412         * fold-const.c (fold_comparison): Restrict distinct decl
 413         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
 414         solely rely on operand_equal_p.
 415
 416 2008-03-27  Richard Guenther  <rguenther@suse.de>
 417
 418         PR c/32511
 419         * c-common.c (handle_weak_attribute): Reject combination of
 420         weak and inline.
 421
 422 2008-03-27  Richard Guenther  <rguenther@suse.de>
 423
 424         PR tree-optimization/32810
 425         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
 426         conversions from DECL_INITIAL.
 427         (fold_const_aggregate_ref): Likewise from constructor elements.
 428
 429 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
 430
 431         * tree-affine.h (aff_combination_expand): Declare.
 432         (get_inner_reference_aff): Likewise.
 433         * tree-affine.c (aff_combination_expand): Split out from
 434         tree_to_aff_combination_expand.
 435         (get_inner_reference_aff): New function.
 436         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
 437         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
 438         (struct lim_aux_data): sm_done field removed.
 439         (mem_ref_loc_p, mem_ref_locs_p): New types.
 440         (struct mem_ref): Added id, stored, accesses_in_loop,
 441         indep_loop, dep_loop, indep_ref, dep_ref fields.
 442         Removed is_stored, locs and next fields.
 443         (memory_accesses): New variable.
 444         (movement_possibility): Do not allow moving statements
 445         that store to memory.
 446         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
 447         New functions.
 448         (determine_max_movement): For statements with memory references,
 449         find the outermost loop in that the reference is independent.
 450         (move_computations_stmt): Mark the virtual operands for renaming.
 451         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
 452         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
 453         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
 454         add_vop_ref_mapping, create_vop_ref_mapping_loop,
 455         create_vop_ref_mapping, analyze_memory_references,
 456         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
 457         get_all_locs_in_loop, ref_always_accessed_p,
 458         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
 459         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
 460         store_motion_loop, store_motion): New functions.
 461         (struct vop_to_refs_elt): New type.
 462         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
 463         memref_hash, memref_eq, hoist_memory_references): Rewritten.
 464         (schedule_sm): Replaced by...
 465         (execute_sm): ... this.
 466         (determine_lsm_ref, hoist_memory_references,
 467         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
 468         find_more_ref_vops, free_mem_ref, free_mem_refs,
 469         determine_lsm_loop, determine_lsm): Removed.
 470         (tree_ssa_lim_finalize): Free data structures used by store motion.
 471         (tree_ssa_lim): Call analyze_memory_references.  Use
 472         store_motion instead of determine_lsm.
 473
 474 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
 475
 476         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
 477         rename tmake_file to m68hc11/t-m68hc11.
 478         (mcore): Set inhibit_libc to true.
 479         * config.host (alpha*-dec-*vms*): Set extra_programs.
 480         (interix3*): Don't use host_xmake_file.
 481         * configure.ac: Let config.gcc override inhibit_libc.
 482         * configure: Regenerate.
 483
 484         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
 485         * config/t-openbsd-thread: Remove commented out lines.
 486
 487         * config/x-interix: Remove.
 488
 489         * config/m68hc11/t-m68hc11-gas: Rename to...
 490         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
 491
 492         * config/mcore/t-mcore: Remove T_CFLAGS.
 493         * config/mcore/t-mcore-pe: Likewise.
 494
 495 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
 496
 497         * configure.ac: Replace custom __GNU_SOURCE test with
 498         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
 499         * aclocal.m4: Regenerate.
 500         * configure: Regenerate.
 501         * config.in: Regenerate.
 502
 503 2008-03-27  Richard Guenther  <rguenther@suse.de>
 504
 505         * fold-const.c (target.h): Include.
 506         (fold_comparison): Fold comparison of addresses of decls
 507         that bind locally or of constants.  Consolidate address folding code.
 508         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
 509         results from fold_binary_to_constant.
 510         (compare_values_warnv): Likewise.
 511
 512 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
 513
 514         PR middle-end/35429
 515         * fold-const.c (fold_truthop): Check for integeral types when folding
 516         a == 0 && b == 0 and a != 0 || b != 0 .
 517
 518 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
 519
 520         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
 521
 522 2008-03-26  Andreas Schwab  <schwab@suse.de>
 523
 524         * doc/invoke.texi: Fix use of @item vs. @itemx.
 525
 526 2008-03-26  Tom Tromey  <tromey@redhat.com>
 527
 528         * Makefile.in (build/gensupport.o, build/print-rtl.o,
 529         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
 530         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
 531         build/gencodes.o, build/genconditions.o, build/genconfig.o,
 532         build/genconstants.o, build/genemit.o, build/genextract.o,
 533         build/genflags.o, build/genmddeps.o, build/genopinit.o,
 534         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
 535         options.h.
 536
 537 2008-03-26  Richard Guenther  <rguenther@suse.de>
 538
 539         Revert
 540         2008-03-26  Richard Guenther  <rguenther@suse.de>
 541
 542         * fold-const.c (target.h): Include.
 543         (fold_comparison): Fold comparison of addresses of two decls
 544         that bind locally.  Consolidate address folding code.
 545
 546 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 547
 548         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
 549         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
 550         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
 551         dconstsqrt2, dconstthird, dconste and/or dconst10.
 552         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
 553         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
 554         dconstsqrt2, dconste): Delete.
 555         (init_emit_once): Likewise.  Simplify initializing dconstm1.
 556         Constify variable.
 557         * real.c (get_real_const): New.
 558         * real.h (dconst3, dconst10, dconstm2, dconstthird,
 559         dconstsqrt2, dconste): Delete.
 560         (real_value_const, get_real_const): New.
 561
 562 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
 563
 564         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
 565
 566         * config/i386/i386.c (ix86_function_arg_boundary): Check
 567         BIGGEST_ALIGNMENT instead of 128.
 568         (setup_incoming_varargs_64): Likewise.
 569
 570 2008-03-26  Tom Tromey  <tromey@redhat.com>
 571
 572         * Makefile.in (DEPFILES): Add missing '/'.
 573
 574 2008-03-26  Richard Guenther  <rguenther@suse.de>
 575
 576         * fold-const.c (target.h): Include.
 577         (fold_comparison): Fold comparison of addresses of two decls
 578         that bind locally.  Consolidate address folding code.
 579
 580 2008-03-26  Nick Clifton  <nickc@redhat.com>
 581
 582         PR target/31232
 583         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
 584         not allow INT+INT as a legitimate addressing mode.
 585
 586 2008-03-26  Richard Guenther  <rguenther@suse.de>
 587
 588         * tree-flow.h (widen_bitfield): Remove declaration.
 589         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
 590         (widen_bitfield): Remove function.
 591         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
 592         code.
 593
 594 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 595
 596         PR target/31558
 597         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
 598         error_mark_node's.
 599
 600 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
 601
 602         PR rtl-optimization/35232
 603         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
 604         (forget_old_reloads_1, forget_marked_reloads): Don't clear
 605         reg_reloaded_call_part_clobbered here.
 606         (reload_regs_reach_end_p): New function.
 607         (reload_reg_rtx_for_input): New variable.
 608         (reload_reg_rtx_for_output): Likewise.
 609         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
 610         when reassigning a pseudo register.  Load reloadreg from
 611         reload_reg_rtx_for_input, moving the mode and register
 612         calculation to...
 613         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
 614         instead of the original when deciding whether an input reload
 615         would be a no-op or whether an output reload can be deleted.
 616         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
 617         when setting up new_spill_reg_store.  Load it from
 618         reload_reg_rtx_for_output, moving the mode and register
 619         calculation to...
 620         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
 621         instead of the original when deciding whether an output reload
 622         would be a no-op.  Do the same when modifying insn notes.
 623         Use rtx_equal_p instead of == to compare the registers.
 624         (inherit_piecemeal_p): Take a mode and two register numbers
 625         as argument.
 626         (emit_reload_insns): Clear new_spill_reg_store for every hard
 627         register in the reload register.  Remove spill registers
 628         from reg_reloaded_valid before considering whether to record
 629         inheritance information for them.  Use reload_reg_rtx_for_output
 630         instead of reg_rtx when recording output reloads.  Use
 631         reload_reg_rtx_for_input instead of reg_rtx when recording
 632         input reloads.  Set or clear reg_reloaded_call_part_clobbered
 633         at the same time as setting reg_reloaded_valid.
 634         (delete_output_reload): Add a new_reload_reg parameter and use it
 635         instead of rld[j].reg_rtx.
 636         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
 637         calls accordingly.
 638
 639 2008-03-25  Tom Tromey  <tromey@redhat.com>
 640
 641         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
 642         (build/genattr.o): Likewise.
 643         (build/genattrtab.o): Likewise.
 644         (build/gencodes.o): Likewise.
 645         (build/genconfig.o): Likewise.
 646         (build/genconstants.o): Likewise.
 647         (build/genemit.o): Likewise.
 648         (build/genextract.o): Likewise.
 649         (build/genflags.o): Likewise.
 650
 651 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
 652
 653         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
 654         instead of size_int for integer types.
 655         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
 656         to match type of MINUS_EXPR.
 657
 658 2008-03-25  Tom Tromey  <tromey@redhat.com>
 659
 660         * configure: Rebuilt.
 661         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
 662         Makefile.
 663
 664 2008-03-25  Tom Tromey  <tromey@redhat.com>
 665
 666         * config/x-solaris (host-solaris.o): Update.
 667         * config/x-linux (host-linux.o): Update.
 668         * config/x-hpux (host-hpux.o): Update.
 669         * config/x-darwin (host-darwin.o): Update.
 670         * config/v850/t-v850e (v850-c.o): Update.
 671         * config/v850/t-v850 (v850-c.o): Update.
 672         * config/t-vxworks (vxworks.o): Update.
 673         * config/t-sol2 (sol2-c.o, sol2.o): Update.
 674         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
 675         * config/spu/t-spu-elf (spu-c.o): Update.
 676         (spu.o): Remove.
 677         * config/sh/t-symbian (sh-c.o): Update.
 678         (symbian.o): Update.
 679         * config/sh/t-sh (sh-c.o): Update.
 680         * config/score/t-score-elf (score7.o, score3.o): Update.
 681         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
 682         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
 683         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
 684         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
 685         (rs6000.o): Remove.
 686         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
 687         * config/m32c/t-m32c (m32c-pragma.o): Update.
 688         * config/ia64/t-ia64 (ia64-c.o): Update.
 689         * config/i386/x-mingw32 (host-mingw32.o): Update.
 690         * config/i386/x-i386 (driver-i386.o): Update.
 691         * config/i386/x-darwin (host-i386-darwin.o): Update.
 692         * config/i386/x-cygwin (host-cygwin.o): Update.
 693         * config/i386/t-nwld (nwld.o): Update.
 694         * config/i386/t-netware (netware.o): Update.
 695         * config/i386/t-interix (winnt.o): Update.
 696         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
 697         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
 698         msformat-c.o): Update.
 699         * config/bfin/t-bfin-linux (generated_files): Add
 700         linux-sysroot-suffix.h.
 701         * config/arm/t-wince-pe (pe.o): Update.
 702         * config/arm/t-strongarm-pe (pe.o): Update.
 703         * config/arm/t-pe (pe.o): Update.
 704         * config/arm/t-arm (arm-c.o): Update.
 705         * doc/install.texi (Prerequisites): Require make 3.80.
 706         * Makefile.in: Remove .o targets.
 707         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
 708         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
 709         (simple_generated_h, simple_generated_c): Move earlier.
 710         (generated_files): New variable.
 711         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
 712         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
 713         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
 714         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
 715         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
 716         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
 717         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
 718         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
 719         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
 720         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
 721         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
 722         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
 723         (.c.o): Remove.
 724         (COMPILE.base, COMPILE): New variables.
 725         (%.o): New pattern rule.
 726         (ALL_HOST_OBJS): New variable.
 727         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
 728         (dummy-checksum.o, cc1-checksum.o): Remove.
 729         (DRIVER_SHLIB): New variable.
 730         (DRIVER_DEFINES): Use it.
 731         (gencondmd.c): Move out of build/.
 732         (s-conditions): Update.
 733         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
 734         (ALL_BUILD_OBJS): Likewise.
 735         (build/%.o): Use BUILDCOMPILE.
 736         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
 737         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
 738         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
 739         build/gencheck.o, build/gencodes.o, build/genconditions.o,
 740         build/genconfig.o, build/genconstants.o, build/genemit.o,
 741         build/genextract.o, build/genflags.o, build/genmddeps.o,
 742         build/genopinit.o, build/genoutput.o, build/genpeep.o,
 743         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
 744         build/gen-protos.o, build/scan.o, build/fix-header.o,
 745         build/scan-decls.o): Simplify.
 746         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
 747         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
 748         prefix.o, toplev.o): Reduce to variable setting.
 749         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
 750         ($(out_object_file), gcc-options.o): New targets.
 751         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
 752         * configure: Rebuilt.
 753         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
 754         * doc/sourcebuild.texi (Front End Directory): Document new variable.
 755
 756 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
 757
 758         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
 759         complain when we hit an error, return ERROR_MARK_NODE.
 760
 761 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 762
 763         * config/sh/constraints.md (Pso, Psz): New constraints.
 764         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
 765         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
 766
 767 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 768
 769         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
 770         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
 771
 772 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 773
 774         * config/sh/sh.md (prefetch): Add condition for SH2A target.
 775         (prefetch_sh2a): New.
 776
 777 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 778             Naveen.H.S  <naveen.hs@kpitcummins.com>
 779
 780         * config/sh/constraints.md (I28): New constraint.
 781         * config/sh/sh.c (broken_move): Add support for movi20s.
 782         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
 783
 784 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
 785             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 786             Naveen.H.S  <naveen.hs@kpitcummins.com>
 787
 788         * config/sh/sh.c (SH_ATTRIBUTES): Define.
 789         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 790         (print_operand): Handle resbank in %@ operand code.
 791         (sh_encode_section_info): New.
 792         (push_regs): Add conditions for resbank.
 793         (sh_expand_epilogue): Likewise.
 794         (sh_insert_attributes): Likewise.
 795         (sh_attribute_table): Likewise.
 796         (sh_handle_resbank_handler_attribute): New.
 797         (sh2a_handle_function_vector_handler_attribute): New.
 798         (sh2a_is_function_vector_call): New.
 799         (sh2a_get_function_vector_number): New.
 800         (sh2a_function_vector_p): New.
 801         (sh_cfun_resbank_handler_p): New.
 802         * config/sh/sh.md (calli): Emit jsr/n if possible.
 803         (calli_tbr_rel): New.
 804         (calli_pcrel): Emit jsr/n if possible.
 805         (return_i): Emit rts/n if possible.
 806         (call_valuei_tbr_rel): New.
 807         (call_valuei_pcrel): Add condition for SH2A target.
 808         (call_value): Likewise.
 809         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
 810         (sh2a_get_function_vector_number): Likewise.
 811         (sh2a_is_function_vector_call): Likewise.
 812         * doc/extend.texi: Document TBR relative addressing of SH2A.
 813         (resbank): Add description for SH2A.
 814
 815 2008-03-24  Richard Guenther  <rguenther@suse.de>
 816
 817         PR c/22371
 818         * gimplify.c (gimplify_modify_expr): For frontend type-correct
 819         pointer assignments change conversions according to middle-end rules.
 820         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
 821         * configure.ac: Include type checking in yes.
 822         * configure: Regenerate.
 823
 824 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 825
 826         * diagnostic.c (diagnostic_count_diagnostic): Delete.
 827         (diagnostic_report_diagnostic): Update. Handle ICEs here.
 828
 829 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
 830
 831         * gthr-vxworks.h (UNUSED): Define.
 832
 833 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
 834
 835         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
 836
 837 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
 838
 839         * doc/extend.texi (Function Attributes): Add missing comma in the
 840         example of the "alloc_size" attribute.
 841
 842 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
 843
 844         Revert:
 845         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 846
 847         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 848         32bit host.
 849
 850         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 851
 852         PR target/35496
 853         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 854         of the underlying type of a MS bitfield layout to the natural
 855         alignment of the type.
 856
 857         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 858
 859         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 860         to their natural alignment to avoid store forwarding stalls.
 861
 862 2008-03-22  Richard Guenther  <rguenther@suse.de>
 863
 864         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
 865         For PHI nodes verify the address is invariant.
 866         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
 867         (get_symbol_constant_value): Use is_gimple_min_invariant.
 868         (maybe_fold_stmt_indirect): Likewise.
 869
 870 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 871
 872         PR rtl-optimization/33927
 873         * Makefile.in (dse.o): Depend on $(TM_P_H).
 874         * expr.h (extract_low_bits): Declare.
 875         * expmed.c (extract_low_bits): New function.
 876         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
 877         * dse.c: Include tm_p.h.
 878         (find_shift_sequence): Remove the read_reg argument and return the
 879         read value.  Emit the instructions instead of returning them.
 880         Iterate on new_mode rather than calculating it each time.
 881         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
 882         source to NEW_MODE and extract_low_bits to convert the shifted
 883         value to READ_MODE.
 884         (replace_read): Allow the load and store to have different mode
 885         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
 886         or extraction instructions before trying the replacement.  Update
 887         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
 888
 889 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 890
 891         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 892         to their natural alignment to avoid store forwarding stalls.
 893
 894 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 895
 896         PR target/27946
 897         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
 898         encouraging but not allowing gprs for input;
 899         change the input constraint to !f#r.
 900         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
 901         gprs for output;
 902         change the output constraint to !f#r.
 903
 904 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
 905
 906         PR target/13958
 907         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
 908         corresponding post-reload splitters.
 909         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
 910         when x87 FP math is selected.
 911         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
 912         New function prototype.
 913         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
 914         unreachable function to ease macroization of insn patterns.
 915
 916 2008-03-21  Martin Jambor  <mjambor@suse.cz>
 917
 918         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
 919         reference dumps if ddr is NULL or dependence is unknown.
 920
 921 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 922
 923         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
 924         unsigned extension into account.
 925         (ATOMIC_COMPARE_AND_SWAP): Likewise.
 926         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
 927         Do computations on a scratch register.
 928
 929 2008-03-21  Richard Guenther  <rguenther@suse.de>
 930
 931         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 932         Use is_gimple_min_invariant instead of TREE_INVARIANT.
 933         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
 934         * tree-ssa-dom.c (record_equality): Likewise.
 935         * tree-inline.c (copy_body_r): Likewise.
 936         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
 937         TREE_INVARIANT.
 938
 939 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 940
 941         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
 942         as 'delete_unused' argument.
 943
 944 2008-03-20  Richard Guenther  <rguenther@suse.de>
 945
 946         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
 947         special casing of constant qualifiers.
 948         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
 949         care about them in general.
 950         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
 951         regardless of their type.
 952         (fold_stmt_r): Forcefully fold *& if we end up with that.
 953
 954 2008-03-20  Paul Brook  <paul@codesourcery.com>
 955
 956         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
 957         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
 958         linker flags.
 959         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
 960         definition.
 961         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
 962         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
 963
 964 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
 965
 966         * common.opt (Wmudflap): New option.
 967         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
 968         (mx_register_decls): Likewise.
 969         (mudflap_finish_file): Likewise.
 970         * doc/invoke.texi: Document -Wno-mudflap.
 971
 972 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
 973
 974         * c-format.c (replace_format_name_to_system_name): New.
 975         (cmp_attribs): New.
 976         (convert_format_name_to_system_name): New.
 977         (decode_format_attr): Add use of convert_format_name_to_system_name.
 978         (format_types_orig): Add gnu_ prefix to names.
 979         (check_format_info_main): Special treating of \0 escaped names for
 980         supporting multi-character format specifiers as I32, I64.
 981         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
 982         (gnu_target_overrides_format_attributes): New.
 983         * c-format.h: Add structure target_ovr_attr to hold
 984         system specific formatter names.
 985         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
 986         msformat-c.o file to c_target_objs and cxx_target_objs.
 987         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 988         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
 989         (TARGET_N_FORMAT_TYPES): New.
 990         * config/i386/msformat-c.c: New.
 991         * config/i386/t-cygming: Add build rule for msformat-c.o.
 992         * doc/extend.texi: Add new format names gnu_* and ms_* and
 993         further details.
 994         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 995
 996 2008-03-20  Ira Rosen  <irar@il.ibm.com>
 997
 998         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
 999         optimizations turned on under -O3.
1000         (ftree-vectorize): Add that the flag is turned on with -O3.
1001
1002 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1003
1004         * regmove.c (try_auto_increment): Fix spelling error in comment.
1005         * final.c (final_scan_insn): Likewise.
1006
1007 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1008
1009         PR target/14552
1010         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1011         allocator preferences for "y" and "r" class registers.
1012         ("*mov<mode>_internal"): Ditto.
1013         ("*movv2sf_internal_rex64"): Ditto.
1014         ("*movv2sf_internal"): Ditto.
1015
1016 2008-03-19  Michael Matz  <matz@suse.de>
1017
1018         PR middle-end/35616
1019         * calls.c (expand_call): Check overlap of arguments with call
1020         address for sibcalls.
1021
1022 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1023
1024         PR target/35496
1025         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1026         of the underlying type of a MS bitfield layout to the natural
1027         alignment of the type.
1028
1029 2008-03-19  Jan Hubicka  <jh@suse.cz>
1030
1031         PR other/35094
1032         * toplev.c (decode_d_option): Handle all CPP flags.
1033         * tree-vrp.c: Update tree_pass descriptors.
1034         * regrename.c: Update tree_pass descriptors.
1035         * fwprop.c: Update tree_pass descriptors.
1036         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1037         * tree-into-ssa.c: Update tree_pass descriptors.
1038         * tree-dump.c: Update tree_pass descriptors.
1039         * tree-complex.c: Update tree_pass descriptors.
1040         * tree-dump.h: Update tree_pass descriptors.
1041         * see.c: Update tree_pass descriptors.
1042         * cgraphbuild.c: Update tree_pass descriptors.
1043         * tracer.c: Update tree_pass descriptors.
1044         * tree-loop-distribution.c: Update tree_pass descriptors.
1045         * cgraph.c: Update tree_pass descriptors.
1046         * postreload-gcse.c: Update tree_pass descriptors.
1047         * postreload.c: Update tree_pass descriptors.
1048         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1049         * tree-tailcall.c: Update tree_pass descriptors.
1050         * tree-pass.h (tree_opt_pass): Rename to ...
1051         (opt_pass) ... this one; add "type" field and remove letter field.
1052         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1053         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1054         all_lowering_passes): Update declaration.
1055         * ipa-cp.c: Update tree_pass descriptors.
1056         * final.c: Update tree_pass descriptors.
1057         * omp-low.c: Update tree_pass descriptors.
1058         * tree-ssa-dse.c: Update tree_pass descriptors.
1059         * ipa-reference.c: Update tree_pass descriptors.
1060         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1061         * auto-inc-dec.c: Update tree_pass descriptors.
1062         * reorg.c: Update tree_pass descriptors.
1063         * cgraphunit.c: Update tree_pass descriptors.
1064         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1065         * tree-ssa-ccp.c: Update tree_pass descriptors.
1066         * df-core.c: Update tree_pass descriptors.
1067         * mode-switching.c: Update tree_pass descriptors.
1068         * tree-nomudflap.c: Update tree_pass descriptors.
1069         * modulo-sched.c: Update tree_pass descriptors.
1070         * ipa-pure-const.c: Update tree_pass descriptors.
1071         * cse.c: Update tree_pass descriptors.
1072         * web.c: Update tree_pass descriptors.
1073         * tree-stdarg.c: Update tree_pass descriptors.
1074         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1075         * tree-ssa-dom.c: Update tree_pass descriptors.
1076         * tree-nrv.c: Update tree_pass descriptors.
1077         * tree-ssa-alias.c: Update tree_pass descriptors.
1078         * loop-init.c: Update tree_pass descriptors.
1079         * gimple-low.c: Update tree_pass descriptors.
1080         * ipa-inline.c: Update tree_pass descriptors.
1081         * tree-ssa-sink.c: Update tree_pass descriptors.
1082         * global.c: Update tree_pass descriptors.
1083         * ifcvt.c: Update tree_pass descriptors.
1084         * jump.c: Update tree_pass descriptors.
1085         * predict.c: Update tree_pass descriptors.
1086         * tree-ssa-loop.c: Update tree_pass descriptors.
1087         * recog.c: Update tree_pass descriptors.
1088         * dse.c: Update tree_pass descriptors.
1089         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1090         * tree-eh.c: Update tree_pass descriptors.
1091         * regmove.c: Update tree_pass descriptors.
1092         * local-alloc.c
1093         * function.c: Update tree_pass descriptors.
1094         * tree-vectorizer.c: Update tree_pass descriptors.
1095         * gcse.c: Update tree_pass descriptors.
1096         * ipa-type-escape.c: Update tree_pass descriptors.
1097         * tree-if-conv.c: Update tree_pass descriptors.
1098         * init-regs.c: Update tree_pass descriptors.
1099         * ipa.c: Update tree_pass descriptors.
1100         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1101         * rtl-factoring.c: Update tree_pass descriptors.
1102         * lower-subreg.c: Update tree_pass descriptors.
1103         * bt-load.c: Update tree_pass descriptors.
1104         * tree-dfa.c: Update tree_pass descriptors.
1105         * except.c: Update tree_pass descriptors.
1106         * emit-rtl.c: Update tree_pass descriptors.
1107         * cfgexpand.c: Update tree_pass descriptors.
1108         * tree-cfgcleanup.c: Update tree_pass descriptors.
1109         * cfgcleanup.c: Update tree_pass descriptors.
1110         * tree-ssa-pre.c: Update tree_pass descriptors.
1111         * tree-sra.c: Update tree_pass descriptors.
1112         * tree-mudflap.c: Update tree_pass descriptors.
1113         * tree-ssa-copy.c: Update tree_pass descriptors.
1114         * cfglayout.c: Update tree_pass descriptors.
1115         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1116         * tree-ssa-dce.c: Update tree_pass descriptors.
1117         * tree-ssa.c: Update tree_pass descriptors.
1118         * regclass.c: Update tree_pass descriptors.
1119         * integrate.c: Update tree_pass descriptors.
1120         * tree-optimize.c: Update tree_pass descriptors.
1121         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1122         * tree-object-size.c: Update tree_pass descriptors.
1123         * combine.c: Update tree_pass descriptors.
1124         * tree-outof-ssa.c: Update tree_pass descriptors.
1125         * bb-reorder.c: Update tree_pass descriptors.
1126         * stack-ptr-mod.c: Update tree_pass descriptors.
1127         * var-tracking.c: Update tree_pass descriptors.
1128         * tree-profile.c: Update tree_pass descriptors.
1129         * tree-vect-generic.c: Update tree_pass descriptors.
1130         * reg-stack.c: Update tree_pass descriptors.
1131         * sched-rgn.c: Update tree_pass descriptors.
1132         * tree-ssa-structalias.c: Update tree_pass descriptors.
1133         * tree-cfg.c: Update tree_pass descriptors.
1134         * passes.c (current_pass): Update declaration.
1135         (finish_optimization_passes): Update.
1136         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1137         (register_one_dump_file, register_dump_files_1, next_pass_1):
1138         Update arguments.
1139         (init_optimization_passes): Update handling of new types.
1140         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1141         * ipa-struct-reorg.c: Update tree_pass descriptors.
1142         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1143         * combine-stack-adj.c: Update tree_pass descriptors.
1144         * cfgrtl.c: Update tree_pass descriptors.
1145         * dce.c: Update tree_pass descriptors.
1146         * tree-ssanames.c: Update tree_pass descriptors.
1147
1148 2008-03-19  Richard Guenther  <rguenther@suse.de>
1149
1150         PR middle-end/35609
1151         * tree-ssa.c (walk_data): New structure.
1152         (warn_uninitialized_var): If not always_executed warn with "maybe"
1153         instead of "is".
1154         (execute_early_warn_uninitialized): Compute post-dominators.
1155         Initialize always_executed before processing each basic block.
1156
1157 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1158
1159         PR target/35504
1160         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1161         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1162
1163 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1164
1165         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1166
1167 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1168
1169         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1170         is true.
1171         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1172         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1173         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1174         target after ignore has been set, and move there also the commputation
1175         of subtarget and original_target.
1176         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1177         (LANG_HOOKS_INITIALIZER): Remove it.
1178         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1179
1180 2008-03-18  Richard Guenther  <rguenther@suse.de>
1181
1182         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1183         found an expression with constants, note that in the VN for the lhs.
1184         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1185         fold them to constants if possible.  Run cleanup_cfg if done so.
1186         (execute_pre): Return todo.
1187         (do_pre): Likewise.
1188         (execute_fre): Likewise.
1189         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1190         of constants.
1191         (get_prop_source_stmt): Look through pointer conversions.
1192
1193 2008-03-18  Jan Hubicka  <jh@suse.cz>
1194
1195         * tree-pretty-print.c: Include predict.h.
1196         (dump_generic_node): Dump predictor.
1197         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1198         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1199         * gimple-low.c (lower_stmt): Likewise.
1200         * expr.c (expand_expr_real): Likewise.
1201         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1202         them.
1203         (build_predict_expr, build_predict_expr): New.
1204         * predict.h (predictor_name, build_predict_expr): Update.
1205         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1206         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1207         * predict.def (PRED_CONTINUE): Update hitrate.
1208         * tree.def (PREDICT_EXPR): Define.
1209         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1210         do not handle BIND_EXPR.
1211         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1212         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1213         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1214         operands.
1215
1216 2008-03-18  Michael Matz  <matz@suse.de>
1217
1218         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1219
1220 2008-03-18  Richard Guenther  <rguenther@suse.de>
1221
1222         * tree-gimple.h (is_gimple_invariant_address): Declare.
1223         (is_gimple_constant): Likewise.
1224         * tree-gimple.c (is_gimple_constant): New function.
1225         (is_gimple_invariant_address): Likewise.
1226         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1227         and is_gimple_invariant_address.
1228         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1229         previous change.
1230         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1231         an addressable base.
1232
1233 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1234
1235         PR middle-end/35611
1236         * gimplify.c (gimplify_expr): Gimplify second operand of
1237         OMP_ATOMIC_LOAD.
1238
1239 2008-03-17  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/19637
1242         * fold-const.c (fold_unary): Remove restrictions of removing
1243         intermediate pointer-conversions (P2)(P1)P0.
1244         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1245         conversion to void pointer.
1246         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1247
1248 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1249
1250         PR debug/31510
1251         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1252         emulated thread local variables.
1253
1254 2008-03-16  Richard Guenther  <rguenther@suse.de>
1255
1256         PR middle-end/35607
1257         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1258         expand TREE_INVARIANT operations that are not gimple invariant.
1259
1260 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1261
1262         * doc/extend.texi (Alignment): Say that the ABI controls
1263         the __alignof__ for non-strict-alignment targets rather
1264         than being a recommendation.
1265
1266 2008-03-15  Paul Brook  <paul@codesourcery.com>
1267
1268         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1269         annotations.
1270         (arm_output_fn_unwind): Mark functions that can not be unwound.
1271
1272 2008-03-15  Paul Brook  <paul@codesourcery.com>
1273
1274         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1275         extension instructions.
1276
1277 2008-03-15  Richard Guenther  <rguenther@suse.de>
1278
1279         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1280         and fold constant aggregate refs.
1281         (fold_const_aggregate_ref): Handle string constants
1282         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1283         (evaluate_stmt): Simplify now that ccp_fold folds constant
1284         aggregate refs.
1285
1286 2008-03-15  Paul Brook  <paul@codesourcery.com>
1287
1288         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1289         (extzv): Use gen_extzv_t2.
1290         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1291
1292 2008-03-15  Richard Guenther  <rguenther@suse.de>
1293
1294         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1295         (fold_const_aggregate_ref): Likewise.
1296         (get_value): Return NULL if we don't have any values.
1297         (ccp_finalize): Set const_val to NULL after freeing it.
1298         * tree-flow.h (get_symbol_constant_value): Declare.
1299         (fold_const_aggregate_ref): Likewise.
1300         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1301
1302 2008-03-15  Richard Guenther  <rguenther@suse.de>
1303
1304         PR middle-end/35593
1305         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1306         to not produce negative array indices if not allowed.  Add
1307         parameter to indicate that.
1308         (maybe_fold_offset_to_component_ref): Allow negative array
1309         indices only for the first member of a structure.
1310         (maybe_fold_offset_to_reference): Allow negative array indices.
1311         (maybe_fold_stmt_addition): Likewise.
1312
1313 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1314             Anatoly Sokolov <aesok@post.ru>
1315
1316         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1317         (avr_arch): Add ARCH_AVR6.
1318         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1319         (initial_elimination_offset): Initialize and use 'avr_pc_size'
1320         instead of fixed value 2.
1321         (print_operand_address): Use gs() asm specifier instead of pm().
1322         (avr_assemble_integer): (Ditto.).
1323         (avr_output_addr_vec_elt): (Ditto.).
1324         (print_operand): Handle "!" code.
1325         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
1326         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1327         (AVR_HAVE_EIJMP_EICALL): Define.
1328         (AVR_3_BYTE_PC): Redefine.
1329         (AVR_2_BYTE_PC): (Ditto.).
1330         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1331         (LINK_SPEC): Add atmega2560 and atmega2561.
1332         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
1333         (crtm2561.o).
1334         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
1335         for 3 byte PC devices.
1336         (call_value_insn): (Ditto.).
1337         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1338         (indirect_jump): Use only for for 2 byte PC devices.
1339         (*tablejump): (Ditto.).
1340         (*indirect_jump_avr6): Add insn.
1341         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1342         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
1343         instead of ijmp for 3 byte PC devices.
1344         (__tablejump2__): (Ditto.).
1345         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1346         (MULITLIB_DIRNAMES): (Ditto.).
1347         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1348
1349 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1350
1351         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1352         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1353         ("mmx_psadbw"): Use V1DI mode for operand 0.
1354         * config/i386/i386-modes.def (V1SI): New vector mode.
1355         * config/i386/i386.c (struct builtin_description)
1356         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1357         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1358         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1359         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1360         v1di_ftype_v8qi_v8qi type.
1361         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1362
1363         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1364         __builtin_ia32_pmuludq]: Fix the mode of return value.
1365
1366 2008-03-15  Richard Guenther  <rguenther@suse.de>
1367
1368         PR middle-end/35595
1369         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1370         being a PHI_NODE.
1371
1372 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1373
1374         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1375         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1376         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1377         unless TARGET_SERIALIZE_VOLATILE is enabled.
1378         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1379         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1380         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1381
1382 2008-03-14  Richard Guenther  <rguenther@suse.de>
1383
1384         PR tree-optimization/34172
1385         * tree-flow.h (refs_may_alias_p): Declare.
1386         (get_single_def_stmt): Likewise.
1387         (get_single_def_stmt_from_phi): Likewise.
1388         (get_single_def_stmt_with_phi): Likewise.
1389         * tree-dfa.c (refs_may_alias_p): New function.
1390         (get_single_def_stmt): Likewise.
1391         (get_single_def_stmt_from_phi): Likewise.
1392         (get_single_def_stmt_with_phi): Likewise.
1393         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1394         (vn_reference_lookup_1): New helper function.
1395         (vn_reference_lookup): Walk the virtual use-def chain to
1396         continue searching for a match if the def does not alias the
1397         reference we are looking for.
1398
1399 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1400
1401         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1402         archive and Perzl.  Update The Written Word listing.
1403
1404 2008-03-14  Richard Guenther  <rguenther@suse.de>
1405
1406         PR tree-optimization/34043
1407         PR tree-optimization/33989
1408         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1409         when doing FRE.
1410         (bitmap_find_leader): Use extra argument to verify dominance
1411         relationship inside a basic-block.
1412         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1413         (find_leader_in_sets): Adjust.
1414         (create_component_ref_by_pieces): Take extra argument for
1415         dominance check, handle lookup failures.
1416         (find_or_generate_expression): Likewise.
1417         (create_expression_by_pieces): Likewise.
1418         (insert_into_preds_of_block): Adjust.
1419         (create_value_expr_from): If asked for, verify all operands
1420         are in the blocks AVAIL_OUT set.
1421         (make_values_for_stmt): Check for SSA_NAMEs that are life
1422         over an abnormal edge.
1423         (compute_avail): Remove such check.
1424         (do_SCCVN_insertion): New function.
1425         (eliminate): If we do not find a leader suitable for replacement
1426         insert a replacement expression from SCCVN if available.
1427         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1428         (struct vn_ssa_aux): Add needs_insertion flag.
1429         * tree-ssa-sccvn.c (may_insert): New global flag.
1430         (copy_reference_ops_from_ref): Value-number union member access
1431         based on its size, not type and member if insertion is allowed.
1432         (visit_reference_op_load): For a weak match from union type
1433         punning lookup a view-converted value and insert a SSA_NAME
1434         for that value if that is not found.
1435         (visit_use): Make dumps shorter.  Do not disallow value numbering
1436         SSA_NAMEs that are life over an abnormal edge to constants.
1437         (free_scc_vn): Release inserted SSA_NAMEs.
1438         (run_scc_vn): New flag to specify whether insertion is allowed.
1439         Process SSA_NAMEs in forward order.
1440         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1441         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1442         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1443         pointer type to/from integral types that do not change the
1444         precision to regular conversions.
1445
1446 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1447
1448         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1449         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1450         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1451         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1452         input arguments and the mode of return value.  Built-in functions
1453         that operate on whole 64-bit MMX register now use V1DI mode.
1454
1455 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1456             Olga Golovanevsky  <olga@il.ibm.com>
1457
1458         PR tree-optimization/35041
1459         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1460         to locate the right position in a statement.
1461
1462 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1463
1464         PR target/34000
1465         PR target/35553
1466         * config/i386/xmmintrin.h:  Change all static inline functions to
1467         extern inline and add __gnu_inline__ attribute.
1468         * config/i386/bmintrin.h: Ditto.
1469         * config/i386/smmintrin.h: Ditto.
1470         * config/i386/tmmintrin.h: Ditto.
1471         * config/i386/mmintrin-common.h: Ditto.
1472         * config/i386/ammintrin.h: Ditto.
1473         * config/i386/emmintrin.h: Ditto.
1474         * config/i386/pmmintrin.h: Ditto.
1475         * config/i386/mmintrin.h: Ditto.
1476         * config/i386/mm3dnow.h: Ditto.
1477
1478 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1479
1480         PR middle-end/35185
1481         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1482         (lower_omp_2): New function.
1483         (lower_omp_1, lower_omp): Rewritten.
1484
1485 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1486
1487         PR 35054
1488         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1489         with the phrase "Microsoft Windows compilers".
1490         (Push/Pop Macro Pragmas): New subsection. Document
1491         #pragma push_macro and pragma pop_macro.
1492
1493 2008-03-12  Paul Brook  <paul@codesourcery.com>
1494
1495         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1496
1497 2008-03-12  Paul Brook  <paul@codesourcery.com>
1498
1499         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1500         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1501         (thumb2_addsi_shortim): Rename ...
1502         (thumb2_addsi_short): ... to this.  Allow register operands.
1503         (thumb2_subsi_short): New pattern.
1504         (thumb2_one_cmplsi2_short,
1505         thumb2_negsi2_short): New patterns and peepholes.
1506
1507 2008-03-12  Paul Brook  <paul@codesourcery.com>
1508
1509         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1510
1511 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1512
1513         * config/i386/i386.md (int_cond): New code iterator.
1514         (fp_cond): Ditto.
1515         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1516         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1517         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1518         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1519         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1520         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1521         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1522         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1523
1524 2008-03-12  Paul Brook  <paul@codesourcery.com>
1525
1526         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1527         instead of {arm,thumb}_compute_save_reg_mask.
1528         (output_return_instruction): Ditto.
1529         (thumb_unexpanded_epilogue): Ditto.
1530         (thumb1_expand_prologue): Ditto.
1531         (thumb1_output_function_prologue): Ditto.
1532         (arm_set_return_address): Ditto.
1533         (thumb_set_return_address): Ditto.
1534         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1535         regs to achieve stack alignment.
1536         (thumb1_compute_save_reg_mask): Fix compiler warning.
1537         (arm_output_epilogue): Use offsets->saved_regs_mask.
1538         Adjust stack pointer by poping call clobered registers.
1539         (arm_expand_prologue): Use offsets->saved_regs_mask.
1540         Adjust stack pointer by pushing extra registers.
1541         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1542
1543 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1544
1545         PR tree-opt/35422
1546         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1547         conversion to the operands of a multiplication.
1548
1549 2008-03-12  Richard Guenther  <rguenther@suse.de>
1550
1551         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1552         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1553         * timevar.def (TV_TREE_PHIPROP): Add.
1554         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1555         pass description.  Use TV_TREE_PHIPROP.
1556         * tree-ssa-forwprop.c: Remove phiprop code.
1557
1558 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1559
1560         PR middle-end/35549
1561         * omp-low.c (maybe_lookup_decl): Constify first argument.
1562         (use_pointer_for_field): Change last argument from bool to
1563         omp_context *.  Disallow shared copy-in/out in nested
1564         parallel if decl is shared in outer parallel too.
1565         (build_outer_var_ref, scan_sharing_clauses,
1566         lower_rec_input_clauses, lower_copyprivate_clauses,
1567         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1568
1569 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1570             Ira Rosen  <irar@il.ibm.com>
1571
1572         * tree-vectorizer.c (free_stmt_vec_info): New function.
1573         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1574         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1575         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1576         * tree-vect-transform.c (vectorizable_conversion): Free
1577         vec_oprnds0 if it was allocated.
1578         (vect_permute_store_chain): Remove unused VECs.
1579         (vectorizable_store): Free VECs that are allocated in the..
1580         function.
1581         (vect_transform_strided_load, vectorizable_load): Likewise.
1582         (vect_remove_stores): Simplify the code.
1583         (vect_transform_loop): Move code to vect_remove_stores().
1584         Call vect_remove_stores() and free_stmt_vec_info().
1585
1586 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1587
1588         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1589         TARGET_HPUX.  Revise comment.
1590         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1591         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1592         Use sr4 variant of `be' instruction when not generating PIC code.
1593         (attr_length_call): Adjust for above change.
1594
1595 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1596
1597         * ipa-reference.c (static_execute): Remove module_statics_const and
1598         associated setting code.
1599
1600 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1601
1602         PR target/35540
1603         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1604         predicate for operand 1.
1605         (paritysi2_cmp): Use register_operand predicate for operand 2.
1606         Use earlyclobber modifier for operand 1.  Remove support for
1607         memory operands.
1608         (paritydi2_cmp): Use register_operand predicate for operand 3.
1609         Use earlyclobber modifier for operand 1.  Remove support for
1610         memory operands.
1611
1612 2008-03-11  Paul Brook  <paul@codesourcery.com>
1613             Vladimir Prus  <vladimir@codesourcery.com>
1614
1615         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1616         (arm_compute_save_reg0_reg12_mask): Always
1617         check if register 11 must be saved.  Always safe hard frame pointer
1618         when frame_pointer_needeed.
1619         (arm_compute_save_reg_mask): Save IP and PC
1620         only with apcs frames.
1621         (arm_output_epilogue): Adjust Thumb2 codepath to
1622         be also invoked and work for ARM non-apcs frames.
1623         (arm_expand_prologue): Don't bother saving IP
1624         for non-apcs frame, since it's not clobbered by
1625         prologue code.  Implement non-apcs frame
1626         layout.
1627
1628 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1629
1630         PR rtl-optimization/35281
1631         * expr.c (convert_move): Use a new pseudo for the intermediate
1632         from_mode->word_mode result.
1633
1634 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1635
1636         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1637         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1638         * toplev.c (compile_file): Don't call it.
1639
1640 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1641
1642         PR middle-end/35526
1643         * expr.c (store_expr): Call emit_block_move if the mode
1644         of "temp" RTX is BLKmode.
1645
1646 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1647             Richard Guenther  <rguenther@suse.de>
1648
1649         PR tree-optimization/31358
1650         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1651         the step with a NULL_TREE.
1652         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1653         to sizetype if type is a pointer type.
1654         (add_candidate_1): Don't convert the base and step to
1655         the generic type if the orginal type is a pointer type.
1656         (add_iv_value_candidates): Use sizetype for the step
1657         if type is a pointer type.
1658         (cand_value_at): Likewise.
1659         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1660         for pointer types.
1661         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1662         Don't convert the tem affine to the type.
1663         (add_elt_to_tree): Use sizetype for the step if a pointer.
1664         Use POINTER_PLUS_EXPR for pointers.
1665         (aff_combination_to_tree): Use sizetype for the step if a
1666         pointer.
1667
1668 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1669
1670         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1671         Remove commutativity hint.
1672
1673 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1674
1675         PR c/35438
1676         PR c/35439
1677         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1678         errorneous type.  Check that v is a VAR_DECL.
1679
1680         PR middle-end/35099
1681         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1682
1683 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1684
1685         PR tree-optimization/35494
1686         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1687         may be overriden at link and run time.
1688
1689 2008-03-10  Richard Guenther  <rguenther@suse.de>
1690
1691         PR tree-optimization/34677
1692         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1693         (poolify_tree): Likewise.
1694         (modify_expr_template): Likewise.
1695         (poolify_modify_stmt): Likewise.
1696         (insert_fake_stores): Handle all component-ref style stores
1697         in addition to INDIRECT_REF.  Also handle complex types.
1698         Do not poolify the inserted load.
1699         (realify_fake_stores): Do not rebuild the tree but only
1700         make it a SSA_NAME copy.
1701         (init_pre): Remove initialzation of modify_expr_template.
1702         Do not allocate modify_expr_node_pool.
1703         (fini_pre): Do not free modify_expr_node_pool.
1704
1705 2008-03-10  Paul Brook  <paul@codesourcery.com>
1706
1707         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1708         to avoid conflicts.
1709
1710 2008-03-10  Paul Brook  <paul@codesourcery.com>
1711             Mark Shinwell  <shinwell@codesourcery.com>
1712
1713         * config/arm/cortex-r4.md: New.
1714         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1715         insn attributes.
1716         * config/arm/arm.md: Include cortex-r4.md.
1717         (insn): Add smmls, sdiv and udiv values.
1718         (generic_sched): Don't use generic scheduling for Cortex-R4.
1719         (arm_issue_rate): New function.
1720         (TARGET_SCHED_ISSUE_RATE): Define.
1721
1722 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1723
1724         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1725
1726 2008-03-10  Richard Guenther  <rguenther@suse.de>
1727
1728         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1729         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1730
1731 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1732
1733         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1734         Set default to true.
1735
1736 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1737
1738         * c.opt (Wsynth): Deprecate.
1739         * doc/invoke.texi (Option Summary, Warning Options): Document
1740         -Wno-format-contains-nul.
1741
1742 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1743
1744         PR target/35496
1745         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1746         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1747
1748 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1749
1750         * config/rs6000/rs6000.c (builtin_description): Rename vector
1751         left shift operations.
1752         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1753         (altivec_vsl<VI_char>): Rename to ...
1754         (ashl<mode>3): ... new name.
1755         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1756         gen_ashlv4si3.
1757         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1758
1759 2008-03-08  Richard Guenther  <rguenther@suse.de>
1760
1761         * coverage.h (tree_coverage_counter_addr): Declare.
1762         * coverage.c (tree_coverage_counter_addr): New function.
1763         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1764         before using again.
1765         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1766         (tree_gen_one_value_profiler): Likewise.
1767         (tree_gen_ic_profiler): Likewise.
1768         (tree_gen_average_profiler): Likewise.
1769         (tree_gen_ior_profiler): Likewise.
1770
1771 2008-03-08  Richard Guenther  <rguenther@suse.de>
1772
1773         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1774         (vn_binary_op_insert): Likewise.
1775         (vn_unary_op_lookup): Likewise.
1776         (vn_unary_op_insert): Likewise.
1777         (vn_nary_op_lookup): Declare.
1778         (vn_nary_op_insert): Likewise.
1779         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1780         and binary hashes, use a single obstack for unary_op_pool
1781         and binary_op_pool.
1782         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1783         a single struct vn_nary_op_s.  Store tree code length and
1784         a variable number of operands.
1785         (struct vn_reference_op_struct): Remove unused op2.
1786         (vn_reference_op_eq): Do not compare op2.
1787         (vn_reference_op_compute_hash): Do not compute hash of op2.
1788         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1789         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1790         with vn_nary_op_compute_hash.
1791         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1792         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1793         vn_nary_op_lookup.
1794         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1795         vn_nary_op_insert.
1796         (visit_unary_op): Call nary functions.
1797         (visit_binary_op): Likewise.
1798         (process_scc): Adjust for struct vn_tables_s changes.
1799         (allocate_vn_table): Likewise.
1800         (free_vn_table): Likewise.
1801         * tree-vn.c (vn_add): Call nary functions.
1802         (vn_lookup): Likewise.
1803
1804 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1805
1806         PR target/35498
1807         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1808         wdst back after sync_compare_and_swapqhi_internal.
1809
1810 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1811
1812         PR target/22152
1813         * config/i386/i386-modes.def (V1DI): New vector mode.
1814         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1815         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1816         (MMXMODE248): Ditto.
1817         (MMXMODE): Add V1DI mode.
1818         (mmxvecsize): Change DI mode to V1DI mode.
1819         ("mov<mode>): Use MMXMODEI8 mode iterator.
1820         ("*mov<mode>_internal_rex64"): Ditto.
1821         ("*mov<mode>_internal"): Ditto.
1822         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1823         ("mmx_sub<mode>3"): Ditto.
1824         ("mmx_adddi3"): Remove insn pattern.
1825         ("mmx_subdi3"): Ditto.
1826         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1827         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1828         ("mmx_ashl<mode>3"): Ditto.
1829         ("mmx_lshrdi3"): Remove insn pattern.
1830         ("mmx_ashldi3"): Ditto.
1831         * config/i386/i386.c (classify_argument): Handle V1DImode.
1832         (function_arg_advance_32): Ditto.
1833         (function_arg_32): Ditto.
1834         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1835         mmx_addv1di3 insn pattern.
1836         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1837         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1838         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1839         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1840         Remove definitions of built-in functions.
1841         (V1DI_type_node): New node.
1842         (v1di_ftype_v1di_int): Ditto.
1843         (v1di_ftype_v1di_v1di): Ditto.
1844         (v2si_ftype_v2si_si): Ditto.
1845         (v4hi_ftype_v4hi_di): Remove node.
1846         (v2si_ftype_v2si_di): Ditto.
1847         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1848         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1849         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1850         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1851         Add new builtins using def_builtin_const.
1852         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1853         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1854         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1855         * config/i386/mmintrin.h (__v1di): New typedef.
1856         (_mm_add_si64): Cast arguments to __v1di type.
1857         (_mm_sub_si64): Ditto.
1858         (_mm_sll_pi16): Cast __count to __v4hi type.
1859         (_mm_sll_pi32): Cast __count to __v2si type.
1860         (_mm_sll_si64): Cast arguments to __v1di type.
1861         (_mm_srl_pi16): Cast __count to __v4hi type.
1862         (_mm_srl_pi32): Cast __count to __v2si type.
1863         (_mm_srl_si64): Cast arguments to __v1di type.
1864         (_mm_sra_pi16): Cast __count to __v4hi type.
1865         (_mm_sra_pi32): Cast __count to __v2si type.
1866         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1867         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1868         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1869         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1870         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1871         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1872         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1873         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1874         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1875         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1876         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1877         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1878
1879 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1880
1881         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1882
1883 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1884
1885         PR target/35373
1886         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1887         reg+const addressing for Altivec modes.  Don't generate reg+reg
1888         addressing for TFmode or TDmode quantities.
1889
1890 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1891
1892         * c-common.c (vector_types_convertible_p): Call langhook
1893         instead of comptypes.
1894
1895 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1896
1897         PR tree-opt/35402
1898         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1899         integral and scalar float variables which have a
1900         NULL DECL_INITIAL.
1901
1902 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1903
1904         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1905         dwarf_register_span hook when emitting unwind information for
1906         register-to-memory saves.
1907         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1908         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1909
1910 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1911
1912         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1913         for the same VAR_DECL.
1914
1915 2008-03-06  Tom Tromey  <tromey@redhat.com>
1916
1917         * treelang: Delete.
1918         * doc/standards.texi (Standards): Don't mention treelang.
1919         * doc/invoke.texi (Overall Options): Don't mention treelang.
1920         * doc/install.texi (Prerequisites): Don't mention bison or
1921         treelang.
1922         (Configuration): Don't mention treelang.
1923         (Building): Likewise.
1924         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1925
1926 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1927
1928         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1929         word-extractions out of a multi-word object.
1930
1931 2008-03-06  Richard Guenther  <rguenther@suse.de>
1932
1933         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1934         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1935         result type and precision.
1936         * expr.c (get_inner_reference): Set unsignedp based on the result
1937         type of BIT_FIELD_REF.
1938         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1939         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1940         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1941         for BIT_FIELD_REF.
1942         (sra_build_assignment): Likewise.
1943         (sra_build_elt_assignment): Likewise.
1944         (sra_explode_bitfield_assignment): Likewise.
1945         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1946         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1947         set BIT_FIELD_REF_UNSIGNED.
1948         (vectorizable_load): Likewise.
1949
1950 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1951
1952         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1953         at bb start.
1954
1955 2008-03-06  Richard Guenther  <rguenther@suse.de>
1956
1957         * alias.c (struct alias_set_entry): Move has_zero_child field
1958         to pack with alias_set.
1959
1960 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1961
1962         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1963         32bit host.
1964
1965 2008-03-05  Ian Lance Taylor  <iant@google.com>
1966
1967         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1968
1969 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1970
1971         * fwprop.c (update_df): Support width and offset parameters of
1972         df_ref_create.
1973         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1974         global_conflicts): Change DF_REF_EXTRACT to either
1975         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1976         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1977         * df-scan.c (df_ref_record, df_defs_record,
1978         df_ref_create_structure, df_def_record_1, df_uses_record,
1979         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1980         df_bb_refs_collect, df_entry_block_defs_collect,
1981         df_exit_block_uses_collect): Support new width and offset fields.
1982         (ref_extract_pool): New storage pool.
1983         (df_free_ref): New function.
1984         (df_reg_chain_unlink, df_free_collection_rec,
1985         df_sort_and_compress_refs): Call df_free_ref.
1986         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1987         of df_ref_extract.
1988         (df_ref_create_structure): Allocate df_ref_extract if offset and
1989         width fields are used.
1990         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1991         (df_uses_record): Get offset and width from ZERO_EXTRACT
1992         and SIGN_EXTRACT.
1993         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1994         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1995         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1996         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1997         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1998         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1999         (df_ref_extract): New structure.
2000         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2001         (df_ref_create): Add width and offset parameters.
2002
2003 2008-03-05  Richard Guenther  <rguenther@suse.de>
2004
2005         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2006         Use ranges_overlap_p.
2007         (offset_overlaps_with_access): Rename
2008         to ranges_overlap_p and move ...
2009         * tree-flow-inline.h (ranges_overlap_p): ... here.
2010
2011         * tree.h (get_inner_reference, handled_component_p): Update
2012         comments.
2013
2014         * tree.h (record_component_aliases, get_alias_set,
2015         alias_sets_conflict_p, alias_sets_must_conflict_p,
2016         objects_must_conflict_p): Move declarations ...
2017         * alias.h (record_component_aliases, get_alias_set,
2018         alias_sets_conflict_p, alias_sets_must_conflict_p,
2019         objects_must_conflict_p): ... here.
2020         Include coretypes.h.
2021         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2022
2023 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2024
2025         * cfg.c: Include tree-flow.h.
2026         (remove_edge_raw): Call redirect_edge_var_map_clear.
2027         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2028         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2029         (redirect_edge_var_map_result): New.
2030         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2031         PENDING_STMT use with redirect_edge_var_map_*.
2032         * tree-ssa.c (edge_var_maps): New definition.
2033         (redirect_edge_var_map_add): New.
2034         (redirect_edge_var_map_clear): New.
2035         (redirect_edge_var_map_dup): New.
2036         (redirect_edge_var_map_vector): New.
2037         (redirect_edge_var_map_destroy): New.
2038         (ssa_redirect_edge): Replace PENDING_STMT use with
2039         redirect_edge_var_map_*.
2040         (flush_pending_stmts): Same.
2041         (delete_tree_ssa): Destroy edge var map.
2042         * tree-flow.h (struct _edge_var_map): New.
2043         Define edge_var_map vector type.
2044         Declare redirect_edge_var_map_* prototypes.
2045         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2046         * tree-cfg.c (reinstall_phi_args): Replace
2047         PENDING_STMT use with redirect_edge_var_map_*.
2048
2049 2008-03-05  Richard Guenther  <rguenther@suse.de>
2050
2051         PR tree-optimization/35472
2052         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2053         whose single use_stmt has a overlapping set of loaded and
2054         stored symbols as that use_stmt might be a noop assignment then.
2055
2056 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2057
2058         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2059
2060 2008-03-05  Richard Guenther  <rguenther@suse.de>
2061
2062         PR c++/35336
2063         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2064         should be constants.
2065         * tree-cfg.c (verify_expr): Verify it.
2066         * fold-const.c (fold_truthop): Remove code generating
2067         BIT_FIELD_REFs of structure bases.
2068         (fold_binary): Likewise.
2069         (fold_ternary): Position and size of BIT_FIELD_REFs are
2070         always host integers.
2071         (make_bit_field_ref): Remove.
2072         (optimize_bit_field_compare): Remove.
2073         (all_ones_mask_p): Remove.
2074
2075 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2076
2077         PR gcc/33009
2078         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2079         (split_block_and_df_analyze): New. Split basic block and rebuild
2080         dataflow.
2081         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2082         SPLIT_BLOCK.
2083         (split_pattern_seq): Likewise.
2084         (erase_matching_seqs): Likewise.
2085         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2086
2087 2008-03-04  Geoff Keating  <geoffk@apple.com>
2088
2089         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2090         declaration and code.
2091         (tree_invalid_nonnegative_warnv_p): Likewise.
2092
2093 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2094
2095         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2096         examples.  Truncate option-names then causing overfull hbox.
2097
2098 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2099
2100         PR target/35222
2101         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2102         on hpux10.
2103         * configure: Rebuilt.
2104
2105 2008-03-04  Rafael Espindola  <espindola@google.com>
2106
2107         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2108         (tree_unary_nonnegative_warnv_p): New.
2109         (tree_binary_nonnegative_warnv_p): New.
2110         (tree_single_nonnegative_warnv_p): New.
2111         (tree_invalid_nonnegative_warnv_p): New.
2112         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2113
2114 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2115
2116         PR 28322
2117         * opts.c (handle_option): Postpone 'unknown option' errors only for
2118         warning options.
2119
2120 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2121
2122         PR target/35453
2123         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2124         (_SIDD_XXX): This.
2125
2126 2008-03-04  Rafael Espindola  <espindola@google.com>
2127
2128         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2129         (tree_binary_nonzero_warnv_p): New.
2130         (tree_single_nonzero_warnv_p): New.
2131         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2132
2133 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2134
2135         PR middle-end/35456
2136         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2137         transformations for modes that have signed zeros.
2138         * ifcvt.c (noce_try_abs): Ditto.
2139
2140 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2141
2142         * config/i386/i386.c (override_options): Force
2143         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2144
2145 2008-03-04  Jan Hubicka  <jh@suse.cz>
2146
2147         PR c++/35262
2148         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2149         in last commit.
2150
2151 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2152
2153         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2154         label to probe the stack.
2155
2156 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2157
2158         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2159         (__gthr_win32_mutex_destroy): Declare.
2160         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2161         __gthr_win32_mutex_destroy.
2162         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2163
2164 2008-03-03  Jan Hubicka  <jh@suse.cz>
2165
2166         PR c++/35262
2167         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2168         aggressive on inlining cold calls.
2169
2170 2008-03-03  Richard Guenther  <rguenther@suse.de>
2171
2172         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2173         struct copies into the expression table.
2174         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2175         (try_to_simplify): Likewise.
2176         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2177         integral and pointer arguments which do not change the
2178         precision to NOP_EXPRs.
2179         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2180         VIEW_CONVERT_EXPR case.
2181
2182 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2185         defined in a loop at depth 0 is invariant.
2186         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2187         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2188         be called at loop depth 0.
2189
2190 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2191
2192         PR driver/35420
2193         * gcc.c (process_command): Update copyright notice dates.
2194         * gcov.c (print_version): Likewise.
2195         * gcov-dump.c (print_version): Likewise.
2196         * mips-tfile.c (main): Likewise.
2197         * mips-tdump.c (main): Likewise.
2198
2199 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2200
2201         PR 24924
2202         * c-common.c (flag_permissive): Delete.
2203         (constant_expression_warnings): Check flags first.
2204         (constant_expression_error): New.
2205         * c-common.h (flag_permissive): Delete.
2206         (constant_expression_error): Declare.
2207         * flags.h (flag_permissive): Declare. Update description.
2208         * diagnostic.c (pedwarn): Update.
2209         (permerror): New.
2210         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2211         (permissive_error_kind): New.
2212         * toplev.c (flag_permissive): Define. Update description.
2213         * toplev.h (permissive_error_kind): Declare.
2214         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2215         (pedwarn_c90): Use pedantic_warning_kind.
2216         * c-opts.c (c_common_post_options): flag_permissive does not affect
2217         flag_pedantic_errors.
2218
2219 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2220
2221         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2222         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2223         __absvsi2, __absvDI2): Use unsigned arithmetic.
2224
2225 2008-03-02  Andi Kleen  <ak@suse.de>
2226             Richard Guenther  <rguenther@suse.de>
2227
2228         * struct-equiv.c: Remove file.
2229         * cfg_cleanup.c (condjump_equiv_p): Remove.
2230         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2231         (struct-equiv.o): Remove rule.
2232         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2233         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
2234         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2235
2236 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2237
2238         * ifcvt.c (noce_process_if_block): Try to handle only the then
2239         block if the else block exists but isn't suitable.
2240
2241 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2242
2243         PR gcc/35063
2244         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2245         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2246         regression from previous patch.
2247
2248 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2249
2250         PR gcc/35063
2251         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2252         implemented.
2253         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2254         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2255         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2256         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2257         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2258         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2259         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2260         (__gthread_mutex_destroy_function): Rename to
2261         __gthread_mutex_destroy.
2262         * gthr-dce.h (__gthread_mutex_destroy): Call
2263         pthread_mutex_destroy.
2264         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2265         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2266         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2267
2268 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2269
2270         * df-scan.c (df_ref_chain_change_bb): Simplify.
2271         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2272         set_block_for_insn if there's any change.
2273         * df.h ((df_insn_change_bb): Fix prototype.
2274         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2275         df_insn_change_bb, don't call set_block_for_insn.
2276         * emit-rtl.c (reorder_insns): Likewise.
2277         * haifa-sched.c (move_insn): Likewise.
2278
2279 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2280
2281         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2282
2283 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2284
2285         * tree-flow-inline.h (next_readonly_imm_use): Return
2286         NULL_USE_OPERAND_P after the end.
2287
2288 2008-03-01  Richard Guenther  <rguenther@suse.de>
2289
2290         PR tree-optimization/35411
2291         * tree-sra.c (sra_build_assignment): Split conversion to
2292         final type to a separate statement if we are not assigning
2293         to a register.
2294
2295 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2296
2297         * fold-const.c (fold_convertible_p): Correct the logic to follow
2298         that in fold_convert().
2299
2300 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2301
2302         PR c++/35315
2303         * tree-inline.c (build_duplicate_type): When we make a
2304         duplicate type, make it unique in the canonical types system.
2305
2306 2008-02-29  Tom Tromey  <tromey@redhat.com>
2307
2308         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2309         input_file_stack_history, input_file_stack_restored): Remove.
2310         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2311         * input.h (struct file_stack): Remove.
2312         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2313         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2314         Likewise.
2315         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2316         type.
2317         (diagnostic_last_module_changed): Add 'map' argument.
2318         (diagnostic_set_last_function): Likewise.
2319         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2320         line map, not input_file_stack.
2321         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2322
2323 2008-02-29  Paul Brook  <paul@codesourcery.com>
2324
2325         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2326
2327 2008-02-29  Paul Brook  <paul@codesourcery.com>
2328
2329         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2330
2331 2008-02-29  Richard Guenther  <rguenther@suse.de>
2332
2333         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2334         vn_lookup_or_add.
2335         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2336         value for comparing for a store match.
2337         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2338         (try_to_simplify): Do not do a full-blown reference lookup.
2339
2340 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2341
2342         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2343         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2344
2345         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2346
2347 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2348
2349         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2350         strides against cache sizes.
2351
2352 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2353
2354         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2355         constant to fpul.
2356
2357 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2358
2359         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2360         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2361         is smaller than the original promoted value.
2362         (simplify_subreg): If OP is a SUBREG, try to preserve its
2363         SUBREG_PROMOTED_VAR_P information.
2364
2365 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2366
2367         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2368         (VN_INFO_GET): Allocate new objects on the obstack.
2369         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2370         for rpo_numbers_temp, for consistency.
2371         (free_scc_vn): Free the obstack.
2372
2373 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2374
2375         * doc/invoke.texi: Document -ftree-loop-distribution.
2376         * tree-loop-distribution.c: New.
2377         * tree-pass.h (pass_loop_distribution): New.
2378         * graphds.h (struct graph): Add htab_t indices.
2379         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2380         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2381         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2382         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2383         * tree-data-ref.c (debug_data_dependence_relations): New.
2384         (dump_data_dependence_relation): Also print data references.
2385         (free_data_ref): Extern.
2386         (same_access_functions): Moved...
2387         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2388         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2389         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2390         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2391         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2392         (stmts_from_loop): Skip LABEL_EXPR.
2393         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2394         New.
2395         (build_rdg): Initialize rdg->indices htab.
2396         (free_rdg, stores_from_loop, ref_base_address,
2397         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2398         have_similar_memory_accesses_1, ref_base_address_1,
2399         remove_similar_memory_refs): New.
2400         * tree-data-ref.h: Depend on tree-chrec.h.
2401         (debug_data_dependence_relations, free_data_ref): Declared.
2402         (same_access_functions): ... here.
2403         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2404         New.
2405         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2406         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2407         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2408         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2409         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2410         rdg_vertex_for_stmt): Declared.
2411         (struct rdg_edge): Add level.
2412         (RDGE_LEVEL): New.
2413         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2414         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2415         Declared.
2416         (rdg_has_similar_memory_accesses): New.
2417         * tree-vect-analyze.c: Remove unused static decls.
2418         * lambda.h (dependence_level): New.
2419         * common.opt (ftree-loop-distribution): New.
2420         * tree-flow.h (mark_virtual_ops_in_bb,
2421         slpeel_tree_duplicate_loop_to_edge_cfg,
2422         rename_variables_in_loop): Declared.
2423         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2424         (OBJS-common): Add tree-loop-distribution.o.
2425         (tree-loop-distribution.o): New rule.
2426         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2427         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2428         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2429
2430 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2431
2432         PR target/33963
2433         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2434         other than structures and unions.
2435
2436 2008-02-28  Richard Guenther  <rguenther@suse.de>
2437
2438         Revert:
2439         2008-02-26  Richard Guenther  <rguenther@suse.de>
2440
2441         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2442         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2443         (lookup_decl_from_uid): Declare.
2444         (remove_decl_from_map): Likewise.
2445         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2446         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2447         (decl_for_uid_map): New global hashtable mapping DECL_UID
2448         to the decl tree.
2449         (init_ttree): Allocate it.
2450         (insert_decl_to_uid_decl_map): New helper function.
2451         (make_node_stat): Insert new decls into the map.
2452         (copy_node_stat): Likewise.
2453         (lookup_decl_from_uid): New function.
2454         (remove_decl_from_map): Likewise.
2455         (print_decl_for_uid_map_statistics): New helper.
2456         (dump_tree_statistics): Call it.
2457
2458         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2459         (referenced_var_iterator): Adjust.
2460         (FOR_EACH_REFERENCED_VAR): Adjust.
2461         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2462         (num_referenced_vars): Adjust.
2463         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2464         (first_referenced_var): Remove.
2465         (end_referenced_vars_p): Likewise.
2466         (next_referenced_var): Likewise.
2467         (referenced_var_iterator_set): New helper function.
2468         * tree-dfa.c (referenced_var_lookup): Adjust.
2469         (referenced_var_check_and_insert): Likewise.
2470         (remove_referenced_var): Likewise.
2471         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2472         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2473         (verify_call_clobbering): Likewise.
2474         (verify_memory_partitions): Likewise.
2475         (init_tree_ssa): Allocate bitmap instead of hashtable for
2476         referenced_vars.
2477         (delete_tree_ssa): Adjust.
2478         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2479         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2480         (compute_tag_properties): Likewise.
2481         (set_initial_properties): Likewise.
2482         (find_partition_for): Likewise.
2483         (update_reference_counts): Likewise.
2484         (dump_may_aliases_for): Likewise.
2485         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2486         (add_call_clobber_ops): Likewise.
2487         (add_call_read_ops): Likewise.
2488         (get_asm_expr_operands): Likewise.
2489         * tree-into-ssa.c (dump_decl_set): Likewise.
2490         (update_ssa): Likewise.
2491         * tree-sra.c (scan_function): Likewise.
2492         (decide_instantiations): Likewise.
2493         (scalarize_parms): Likewise.
2494         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2495         (dsa_named_for): Likewise.
2496         * tree-ssa-structalias.c (update_alias_info): Likewise.
2497         (merge_smts_into): Likewise.
2498
2499 2008-02-27  David Daney  <ddaney@avtrex.com>
2500
2501         PR target/34409
2502         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2503         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2504         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2505         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2506         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2507
2508 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         PR target/25477
2511         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2512         (BUILT_IN_NEXTTOWARD): Remove.
2513         (BUILT_IN_NEXTTOWARDF): Ditto.
2514         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2515         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2516
2517 2008-02-27  Tom Tromey  <tromey@redhat.com>
2518
2519         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2520         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2521
2522 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2523
2524         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2525         update the respective field on newdecl.
2526
2527 2008-02-27  Revital Eres  <eres@il.ibm.com>
2528
2529         PR rtl-optimization/34999
2530         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2531         crossing edges that ends with a call insn.
2532         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2533         call insn and clear the EDGE_CROSSING flag of the crossing edge
2534         when fixing fallthru edges.
2535
2536 2008-02-27  Richard Guenther  <rguenther@suse.de>
2537
2538         PR middle-end/35390
2539         * fold-const.c (fold_unary): Return the correct argument,
2540         converted to the result type.
2541
2542 2008-02-27  Richard Guenther  <rguenther@suse.de>
2543
2544         PR middle-end/34971
2545         * expr.c (expand_expr_real_1): Assert on rotates that operate
2546         on partial modes.
2547         * fold-const.c (fold_binary): Use the types precision, not the
2548         bitsize of the mode if folding rotate expressions.  Build rotates
2549         only for full modes.
2550
2551 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2552
2553         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2554         and CPP_PRAGMA_EOL.
2555         * c-pragma.c (pragma_ns_name): New typedef.
2556         (registered_pp_pragmas): New variable.
2557         (c_pp_lookup_pragma): New function.
2558         (c_register_pragma_1): If flag_preprocess_only, do nothing
2559         for non-expanded pragmas, for expanded ones push pragma's
2560         namespace and name into registered_pp_pragmas vector.
2561         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2562         flag_preprocess_only, don't register GCC pch_preprocess
2563         pragma if flag_preprocess_only.
2564         * c-opts.c (c_common_init): Call init_pragma even if
2565         flag_preprocess_only.
2566         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2567         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2568         cpp_register_pragma if flag_preprocess_only.
2569
2570 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2571
2572         PR c/28800
2573         * c-parser.c (c_parser_translation_unit): Warn for empty
2574         translation unit, not empty source file.
2575
2576 2008-02-26  Paul Brook  <paul@codesourcery.com>
2577
2578         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2579         operand for Thumb-2.
2580         * config/arm/arm.h (reg_class): Add CORE_REGS.
2581         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2582         (BASE_REG_CLASS): Use CORE_REGS.
2583         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2584         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2585         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2586         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2587         ARM_REGNO_OK_FOR_INDEX_P.
2588         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2589         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2590         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2591         (ldm/stm peepholes): Ditto.
2592         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2593         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2594         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2595         * config/arm/constraints.md: Enable "k" constraint on ARM.
2596
2597 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2598
2599         * config/rs6000/rs6000.c: Annotate cache line size field in all
2600         instances of struct processor_costs.
2601
2602 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2603
2604         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2605         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2606         jump_bypass): New counters.
2607         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2608         * dce.c (gate_ud_dce): Same.
2609         (gate_fast_dce): Same.
2610         * dse.c (gate_dse1): New function.
2611         (gate_dse2): New function.
2612         (gate_dse): Merge results of new gate functions.
2613         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2614         (gate_handle_jump_bypass): Add dbg_cnt.
2615         (gate_handle_gcse): Add dbg_cnt.
2616         * ifcvt.c (gate_handle_if_conversion): Same.
2617         (gate_handle_if_after_combine): Same.
2618         (gate_handle_if_after_reload): Same.
2619         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2620
2621 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2622
2623         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2624         line sizes.
2625         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2626
2627 2008-02-26  Jason Merrill  <jason@redhat.com>
2628
2629         PR c++/35315
2630         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2631         alone if it's the naming decl for the type's main variant.
2632
2633 2008-02-26  Tom Tromey  <tromey@redhat.com>
2634
2635         * system.h (USE_MAPPED_LOCATION): Poison.
2636         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2637         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2638         (make_goto_expr_edges): Likewise.
2639         (remove_bb): Likewise.
2640         (execute_warn_function_return): Likewise.
2641         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2642         location_t.
2643         * c-common.c (fname_decl): Remove old location code.
2644         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2645         location code.
2646         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2647         variant.
2648         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2649         (gen_rtx_ASM_INPUT): Likewise.
2650         (gen_rtx_ASM_INPUT_loc): Likewise.
2651         (get_rtx_asm_OPERANDS): Remove.
2652         * cfglayout.c (insn_locators_alloc): Remove old location code.
2653         (set_curr_insn_source_location): Likewise.
2654         (curr_insn_locator): Likewise.
2655         * print-tree.c (print_node): Remove old location code.
2656         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2657         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2658         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2659         location_from_locus.
2660         (construct_exit_block): Remove old location code.
2661         * emit-rtl.c (force_next_line_note): Remove old location code.
2662         * profile.c (branch_prob): Remove old location code.
2663         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2664         LOC_LINE): Remove old-location variants.
2665         * langhooks.c (lhd_print_error_function): Remove old location
2666         code.
2667         * configure, config.in: Rebuilt.
2668         * configure.ac (--enable-mapped-location): Remove.
2669         * c-decl.c (c_init_decl_processing): Remove old location code.
2670         (finish_function): Likewise.
2671         * recog.c (decode_asm_operands): Remove old location code.
2672         * c-pch.c (c_common_read_pch): Remove old location code.
2673         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2674         variants.
2675         * gimple-low.c (lower_function_body): Remove old location code.
2676         * toplev.c (unknown_location): Remove.
2677         (push_srcloc): Remove old-location variant.
2678         (process_options): Remove old location code.
2679         (lang_dependent_init): Likewise.
2680         * input.h (UNKNOWN_LOCATION): Move definition.
2681         (location_t): Undeprecate.
2682         (source_locus): Remove.
2683         (location_from_locus): Remove.
2684         (struct location_s): Remove.
2685         Remove all old-location code.
2686         (input_line, input_filename): Remove.
2687         * final.c (final_scan_insn): Remove old location code.
2688         * diagnostic.c (diagnostic_build_prefix): Remove
2689         USE_MAPPED_LOCATION test.
2690         * tree.h (gimple_stmt) <locus>: Now a location_t.
2691         (tree_exp) <locus>: Likewise.
2692         (DECL_IS_BUILTIN): Remove old-location variant.
2693         (annotate_with_file_line, annotate_with_locus): Likewise.
2694         (expr_locus, set_expr_locus): Update.
2695         * tree.c (build1_stat): Remove old location code.
2696         (last_annotated_node): Remove.
2697         (annotate_with_file_line): Remove old-location variant.
2698         (annotate_with_locus): Likewise.
2699         (expr_location): Remove old location code.
2700         (set_expr_location): Likewise.
2701         (expr_has_location): Likewise.
2702         (expr_locus): Likewise.
2703         (set_expr_locus): Likewise.
2704         (expr_filename): Don't use location_from_locus.
2705         (expr_lineno): Likewise.
2706         * rtl-error.c (location_for_asm): Remove old location code.
2707         * c-lex.c (cb_line_change): Remove old location code.
2708         (fe_file_change): Likewise.
2709         (cb_def_pragma): Likewise.
2710         (c_lex_with_flags): Likewise.
2711         * gengtype.c (do_typedef): Don't special-case location types.
2712         (define_location_structures): Remove.
2713         (main): Don't call define_location_structures.
2714         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2715         code.
2716
2717 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2718
2719         PR 26264
2720         * builtins.def (BUILT_IN_STDARG_START): Remove.
2721         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2722         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2723         * tree-inline.c (inline_forbidden_p_1): Likewise.
2724
2725 2008-02-26  Richard Guenther  <rguenther@suse.de>
2726
2727         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2728         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2729         (lookup_decl_from_uid): Declare.
2730         (remove_decl_from_map): Likewise.
2731         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2732         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2733         (decl_for_uid_map): New global hashtable mapping DECL_UID
2734         to the decl tree.
2735         (init_ttree): Allocate it.
2736         (insert_decl_to_uid_decl_map): New helper function.
2737         (make_node_stat): Insert new decls into the map.
2738         (copy_node_stat): Likewise.
2739         (lookup_decl_from_uid): New function.
2740         (remove_decl_from_map): Likewise.
2741         (print_decl_for_uid_map_statistics): New helper.
2742         (dump_tree_statistics): Call it.
2743
2744         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2745         (referenced_var_iterator): Adjust.
2746         (FOR_EACH_REFERENCED_VAR): Adjust.
2747         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2748         (num_referenced_vars): Adjust.
2749         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2750         (first_referenced_var): Remove.
2751         (end_referenced_vars_p): Likewise.
2752         (next_referenced_var): Likewise.
2753         (referenced_var_iterator_set): New helper function.
2754         * tree-dfa.c (referenced_var_lookup): Adjust.
2755         (referenced_var_check_and_insert): Likewise.
2756         (remove_referenced_var): Likewise.
2757         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2758         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2759         (verify_call_clobbering): Likewise.
2760         (verify_memory_partitions): Likewise.
2761         (init_tree_ssa): Allocate bitmap instead of hashtable for
2762         referenced_vars.
2763         (delete_tree_ssa): Adjust.
2764         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2765         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2766         (compute_tag_properties): Likewise.
2767         (set_initial_properties): Likewise.
2768         (find_partition_for): Likewise.
2769         (update_reference_counts): Likewise.
2770         (dump_may_aliases_for): Likewise.
2771         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2772         (add_call_clobber_ops): Likewise.
2773         (add_call_read_ops): Likewise.
2774         (get_asm_expr_operands): Likewise.
2775         * tree-into-ssa.c (dump_decl_set): Likewise.
2776         (update_ssa): Likewise.
2777         * tree-sra.c (scan_function): Likewise.
2778         (decide_instantiations): Likewise.
2779         (scalarize_parms): Likewise.
2780         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2781         (dsa_named_for): Likewise.
2782         * tree-ssa-structalias.c (update_alias_info): Likewise.
2783         (merge_smts_into): Likewise.
2784
2785 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2786
2787         PR 34351
2788         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2789         * c-opts.c (c_common_handle_option): Wall enables
2790         Wvolatile-register-var.
2791         * common.opt: Move Wvolatile-register-var to...
2792         * c.opt: ...here.
2793
2794 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2795
2796         * common.opt (Wlarger-than=): New.
2797         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2798         -Wlarger-than=.
2799         * opts.c (common_handle_option): Handle -Wlarger-than=.
2800         * optc-gen.awk: Likewise.
2801         * opth-gen.awk: Likewise.
2802         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2803         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2804
2805 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2806
2807         * c-common.c (match_case_to_enum_1): Add appropriate
2808         OPT_W* parameter to warning.
2809         (c_do_switch_warnings): Likewise.
2810         * c-typeck.c (warning_init): Add one more parameter following
2811         'warning' function.
2812         (push_init_level): Update call to warning_init.
2813         (pop_init_level): Likewise.
2814         (add_pending_init): Likewise.
2815         (output_init_element: Likewise.
2816
2817 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2818
2819         PR 28322
2820         * toplev.c (toplev_main): If there are warnings or error, print
2821         errors for ignored options.
2822         * opts.c (ignored_options): New static variable.
2823         (postpone_unknown_option_error): New.
2824         (print_ignored_options): New.
2825         (handle_option): Postpone errors for unknown -Wno-* options.
2826         * opts.h (print_ignored_options): Declare.
2827
2828 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2829
2830         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2831         to "ghost".
2832
2833 2008-02-25  Richard Guenther  <rguenther@suse.de>
2834
2835         Revert:
2836         2008-02-25  Richard Guenther  <rguenther@suse.de>
2837
2838         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2839         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2840         (lookup_decl_from_uid): Declare.
2841         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2842         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2843         (decl_for_uid_map): New global hashtable mapping DECL_UID
2844         to the decl tree.
2845         (init_ttree): Allocate it.
2846         (insert_decl_to_uid_decl_map): New helper function.
2847         (make_node_stat): Insert new decls into the map.
2848         (copy_node_stat): Likewise.
2849         (lookup_decl_from_uid): New function.
2850         (print_decl_for_uid_map_statistics): New helper.
2851         (dump_tree_statistics): Call it.
2852
2853         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2854         (referenced_var_iterator): Adjust.
2855         (FOR_EACH_REFERENCED_VAR): Adjust.
2856         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2857         (num_referenced_vars): Adjust.
2858         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2859         (first_referenced_var): Remove.
2860         (end_referenced_vars_p): Likewise.
2861         (next_referenced_var): Likewise.
2862         (referenced_var_iterator_set): New helper function.
2863         * tree-dfa.c (referenced_var_lookup): Adjust.
2864         (referenced_var_check_and_insert): Likewise.
2865         (remove_referenced_var): Likewise.
2866         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2867         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2868         (verify_call_clobbering): Likewise.
2869         (verify_memory_partitions): Likewise.
2870         (init_tree_ssa): Allocate bitmap instead of hashtable for
2871         referenced_vars.
2872         (delete_tree_ssa): Adjust.
2873         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2874         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2875         (compute_tag_properties): Likewise.
2876         (set_initial_properties): Likewise.
2877         (find_partition_for): Likewise.
2878         (update_reference_counts): Likewise.
2879         (dump_may_aliases_for): Likewise.
2880         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2881         (add_call_clobber_ops): Likewise.
2882         (add_call_read_ops): Likewise.
2883         (get_asm_expr_operands): Likewise.
2884         * tree-into-ssa.c (dump_decl_set): Likewise.
2885         (update_ssa): Likewise.
2886         * tree-sra.c (scan_function): Likewise.
2887         (decide_instantiations): Likewise.
2888         (scalarize_parms): Likewise.
2889         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2890         (dsa_named_for): Likewise.
2891         * tree-ssa-structalias.c (update_alias_info): Likewise.
2892         (merge_smts_into): Likewise.
2893
2894 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2895
2896         PR fortran/29549
2897         * doc/invoke.texi (-fcx-limited-range): Document new option.
2898         * toplev.c (process_options): Handle -fcx-fortran-rules.
2899         * common.opt: Add documentation for -fcx-fortran-rules.
2900
2901 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2902
2903         PR c/35162
2904         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2905         actual behaviour and C99.
2906
2907 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2908
2909         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2910         (ASM_CPU_POWER6_SPEC): Likewise.
2911         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2912         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2913         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2914
2915 2008-02-25  Richard Guenther  <rguenther@suse.de>
2916
2917         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2918         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2919         (lookup_decl_from_uid): Declare.
2920         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2921         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2922         (decl_for_uid_map): New global hashtable mapping DECL_UID
2923         to the decl tree.
2924         (init_ttree): Allocate it.
2925         (insert_decl_to_uid_decl_map): New helper function.
2926         (make_node_stat): Insert new decls into the map.
2927         (copy_node_stat): Likewise.
2928         (lookup_decl_from_uid): New function.
2929         (print_decl_for_uid_map_statistics): New helper.
2930         (dump_tree_statistics): Call it.
2931
2932         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2933         (referenced_var_iterator): Adjust.
2934         (FOR_EACH_REFERENCED_VAR): Adjust.
2935         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2936         (num_referenced_vars): Adjust.
2937         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2938         (first_referenced_var): Remove.
2939         (end_referenced_vars_p): Likewise.
2940         (next_referenced_var): Likewise.
2941         (referenced_var_iterator_set): New helper function.
2942         * tree-dfa.c (referenced_var_lookup): Adjust.
2943         (referenced_var_check_and_insert): Likewise.
2944         (remove_referenced_var): Likewise.
2945         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2946         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2947         (verify_call_clobbering): Likewise.
2948         (verify_memory_partitions): Likewise.
2949         (init_tree_ssa): Allocate bitmap instead of hashtable for
2950         referenced_vars.
2951         (delete_tree_ssa): Adjust.
2952         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2953         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2954         (compute_tag_properties): Likewise.
2955         (set_initial_properties): Likewise.
2956         (find_partition_for): Likewise.
2957         (update_reference_counts): Likewise.
2958         (dump_may_aliases_for): Likewise.
2959         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2960         (add_call_clobber_ops): Likewise.
2961         (add_call_read_ops): Likewise.
2962         (get_asm_expr_operands): Likewise.
2963         * tree-into-ssa.c (dump_decl_set): Likewise.
2964         (update_ssa): Likewise.
2965         * tree-sra.c (scan_function): Likewise.
2966         (decide_instantiations): Likewise.
2967         (scalarize_parms): Likewise.
2968         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2969         (dsa_named_for): Likewise.
2970         * tree-ssa-structalias.c (update_alias_info): Likewise.
2971         (merge_smts_into): Likewise.
2972
2973 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2974
2975         PR target/35258
2976         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2977         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2978         * alias.h (nonoverlapping_memrefs_p): Likewise.
2979
2980 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2981
2982         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2983         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2984         __emultls_get_address, __emultls_register_common,
2985         __floatundi?f, and _Unwind_GetIPInfo.
2986         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2987         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2988         (gen_regparm_prefix): Likewise.
2989         (i386_nlm_encode_section_info): Sync with
2990         config/i386/winnt.c:i386_pe_encode_section_info().
2991         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2992         i386_nlm_mangle_decl_assembler_name): New.
2993         (netware_override_options): New.
2994         * config/i386/netware.h (netware_override_options): Declare.
2995         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2996         (i386_nlm_mangle_decl_assembler_name): Declare.
2997         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2998
2999 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3000
3001         PR other/32948
3002         * c-decl.c (grokdeclarator): Remove unused local variables
3003         `typedef_type' and `type_as_written'.
3004         * bb-reorder.c
3005         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3006         unused local variable `has_hot_blocks'.
3007         (fix_crossing_conditional_branches): Remove unused local variable
3008         `prev_bb'.
3009
3010 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3011
3012         PR middle-end/19984
3013         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3014         using DEF_C99_BUILTIN.
3015         (BUILT_IN_NANF): Ditto.
3016         (BUILT_IN_NANL): Ditto.
3017
3018 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3019             Revital Eres  <eres@il.ibm.com>
3020
3021         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3022         regarding the order of two dependent insns in the same row.
3023
3024 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3025
3026         * stor-layout.c (layout_decl): Do not bump the alignment of a
3027         bit-field to more than byte alignment if it is packed.
3028
3029 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3030
3031         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3032         e300c2 and e300c3.
3033
3034 2008-02-24  Diego Novillo  <dnovillo@google.com>
3035
3036         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3037
3038         PR 33738
3039         * tree-vrp.c (vrp_evaluate_conditional): With
3040         -Wtype-limits, emit a warning when comparing against a
3041         constant outside the natural range of OP0's type.
3042         * c.opt (Wtype-limits): Move ...
3043         * common.opt (Wtype-limits): ... here.
3044
3045 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3046
3047         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3048         * config/rs6000/e300c2c3.md: New file.
3049         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3050         e300c2 and e300c3.
3051         (rs6000_override_options): Add e300c2 and e300c3 cases to
3052         processor_target_table. Do not allow usage of Altivec or Spe
3053         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3054         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3055         * config/rs6000/rs6000.h (processor_type): Add
3056         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3057         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3058         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3059         and ppce300c3. Include e300c2c3.md.
3060
3061 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3062
3063         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3064         instead of TARGET_STRICT_ALIGN.
3065
3066 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3067
3068         * explow.c (memory_address): Assert that the generated address is
3069         valid.
3070
3071 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3072
3073         PR target/25477
3074         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3075         * config/darwin-ppc-ldouble-patch.def: New file.
3076         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3077         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3078         SUBTARGET_INIT_BUILTINS if defined.
3079         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3080         New functions.
3081
3082 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3083
3084         PR rtl-opt/33512
3085         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3086         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3087
3088 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3089
3090         PR pch/35027
3091         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3092         file" warning condtional on -Winvalid-PCH.
3093
3094 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3095
3096         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3097
3098 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3099
3100         PR target/22076
3101         PR target/34256
3102         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3103         prevent reload from using MMX registers.
3104         (*mov<mode>_internal): Ditto.
3105         (*movv2sf_internal_rex64): Ditto.
3106         (*movv2sf_internal): Ditto.
3107
3108 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3109
3110         PR documentation/31569
3111         * doc/install.texi2html: Use makeinfo --no-number-sections.
3112
3113 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3114
3115         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3116         ensure that we can address an entire entity > 8 bytes.  Don't
3117         generate reg+reg addressing for such data.
3118
3119 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3120
3121         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3122         strings when optimizing for size, unless the target cares about
3123         alignment.
3124
3125 2008-02-22  Tom Tromey  <tromey@redhat.com>
3126
3127         * regclass.c (current_pass): Remove declaration.
3128
3129 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3130
3131         * config/avr/libgcc.S (__RAMPZ__): Define.
3132         (__do_copy_data): Add for devices with 128KB code memory.
3133
3134 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3135
3136         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3137         Use spe_abi.
3138         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3139
3140 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3141
3142         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3143         GENNONACR_REGS.
3144
3145 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3146
3147         PR c/19999
3148         * c-typeck.c (build_binary_op): Warn about floating point
3149         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3150
3151 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3152
3153         PR target/34526
3154         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3155         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3156         add vrsave.
3157         (rs6000_override_options): Set altivec_abi as default, not override,
3158         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3159         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3160         is used; use new member spe_abi.
3161         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3162         spe_abi and altivec_abi.
3163
3164 2008-02-22  Tomas Bily  <tbily@suse.cz>
3165
3166         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3167
3168 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3169
3170         PR bootstrap/35273
3171         * config.build (build_file_translate): Set to `CMD //c' only if
3172         it works.
3173         * Makefile.in (build_file_translate): Improve comment.
3174
3175 2008-02-21  Jan Hubicka  <jh@suse.cz>
3176
3177         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3178         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3179         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3180
3181 2008-02-21  Michael Matz  <matz@suse.de>
3182
3183         PR target/35264
3184         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3185
3186 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3187
3188         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3189         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3190         as insn constraint.
3191         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3192         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3193         SSE_VEC_FLOAT_MODE_P as insn constraint.
3194         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3195         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3196         sse4a_movntdf using MODEF mode iterator.
3197         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3198         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3199         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3200         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3201         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3202         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3203         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3204
3205 2008-02-21  Richard Guenther  <rguenther@suse.de>
3206
3207         * tree.def (PAREN_EXPR): New tree code.
3208         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3209         and PAREN_EXPR.
3210         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3211         * expr.c (expand_expr_real_1): Likewise.
3212         * tree-inline.c (estimate_num_insns_1): Likewise.
3213         * tree-complex.c (expand_complex_move): Likewise.
3214         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3215         as plain x.
3216
3217 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3218
3219         PR target/35225
3220         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3221
3222 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3223
3224         PR target/35190
3225         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3226
3227         * config/sh/sh.c (find_barrier): Don't go past
3228         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3229
3230 2008-02-20  DJ Delorie  <dj@redhat.com>
3231
3232         * config/h8300/h8300.md (insv): Force source operand to be a register.
3233
3234         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3235         as a jump, not as a plain insn.
3236
3237 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3238
3239         * doc/invoke.texi (Warning Options): Add new option
3240         -Wframe-larger-than=.
3241         (-Wframe-larger-than): Document.
3242
3243         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3244         Add declarations for new option variables.
3245
3246         * final.c (final_start_function): Check the frame size
3247         before emission and issue a Wframe-larger-than warning.
3248
3249         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3250         Add definitions for new option variables.
3251         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3252
3253         * common.opt (Wframe-larger-than=): New option.
3254
3255 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3258         (<sse>_div<mode>3): Ditto.
3259         (<sse>_vmdiv<mode>3): Ditto.
3260         (<sse>_vmsqrt<mode>2): Ditto.
3261         (*smax<mode>3): Ditto.
3262         (sse5_frcz<mode>2): Ditto.
3263         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3264         as insn constraint.
3265
3266 2008-02-20  Richard Guenther  <rguenther@suse.de>
3267
3268         PR middle-end/35265
3269         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3270         be happy with INTEGRAL_TYPE_P.
3271
3272 2008-02-20  Richard Guenther  <rguenther@suse.de>
3273
3274         * fold-const.c (split_tree): Associate floatig-point expressions
3275         if flag_associative_math is set.
3276
3277 2008-02-20  Richard Guenther  <rguenther@suse.de>
3278
3279         * tree.h (fold_real_zero_addition_p): Declare.
3280         * fold-const.c (fold_real_zero_addition_p): Export.
3281         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3282         floating-point operations with zero and one.
3283
3284 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3285
3286         * doc/install.texi: Correct references to CFLAGS, replacing them
3287         with BOOT_CFLAGS.  Document flags used during bootstrap for
3288         target libraries.
3289
3290 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3291
3292         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3293         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3294         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3295         insn constraint.
3296         (smin<mode>3): Ditto from similar patterns.
3297         (smax<mode>3): Ditto.
3298         (*ieee_smin<mode>3): Ditto.
3299         (*ieee_smax<mode>3): Ditto.
3300         * config/i386/sse.md (sse): New mode attribute.
3301         (mov<mode>): Macroize expander from movv4sf and movv2df using
3302         SSEMODEF2P mode iterator.
3303         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3304         SSE_VEC_FLOAT_MODE_P as insn constraint.
3305         (storent<mode>): Ditto.
3306         (storent<mode>): Macroize expander from storentsf and storentdf using
3307         MODEF mode iterator.
3308         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3309         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3310         (abs<mode>2): Ditto from similar patterns.
3311         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3312         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3313         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3314         (<sse>_vmsqrt<mode>2): Ditto.
3315         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3316         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3317         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3318         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3319         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3320         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3321         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3322         insn constraint.
3323         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3324         iterator and SSE_FLOAT_MODE_P as insn constraint.
3325         (<sse>_ucomi): Ditto from similar patterns.
3326         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3327         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3328         SSE_VEC_FLOAT_MODE_P as insn constraint.
3329         (vcond<mode>): Ditto from similar patterns.
3330         (and<mode>3, *and<mode>3): Ditto.
3331         (<sse>_nand<mode>3): Ditto.
3332         (ior<mode>3, *ior<mode>3): Ditto.
3333         (xor<mode>3, *xor<mode>3): Ditto.
3334         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3335         iterator and SSE_FLOAT_MODE_P as insn constraint.
3336         (*nand<mode>3): Ditto from similar patterns.
3337         (*ior<mode>3): Ditto.
3338         (*xor<mode>3): Ditto.
3339
3340 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3341
3342         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3343         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3344         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3345
3346 2008-02-19  Jan Hubicka  <jh@suse.cz>
3347
3348         * predict.c (tree_bb_level_predictions): Remove variable next
3349         mistakely introduced by previous commit.
3350
3351 2008-02-19  Jan Hubicka  <jh@suse.cz>
3352
3353         * predict.c (predict_paths_leading_to): Rewrite.
3354         (predict_paths_for_bb): New.
3355         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3356
3357 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3358
3359         PR bootstrap/35218
3360         * Makefile.in (build_file_translate): New.
3361         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3362         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3363         * configure.ac (build_file_translate): Substitute it.
3364         * configure: Regenerate.
3365
3366 2008-02-19  Jan Hubicka  <jh@suse.cz>
3367
3368         PR rtl-optimization/34408
3369         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3370         invalid sharing.
3371
3372 2008-02-19  Jan Hubicka  <jh@suse.cz>
3373
3374         PR middle-end/28779
3375         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3376         call_expr.
3377
3378 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3379
3380         PR Ada/35186
3381         * config/i386/i386-modes.def: Revert the last DI alignment
3382         change until Ada people can look into it.
3383
3384 2008-02-19  Nick Clifton  <nickc@redhat.com>
3385
3386         * opts.c (print_specific_help): Fix typo in --help text.
3387
3388 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3389
3390         PR target/35239
3391         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3392         32-bit inline asm without asm alternatives for host GCC < 3.0.
3393
3394 2008-02-19  Richard Guenther  <rguenther@suse.de>
3395
3396         PR tree-optimization/34989
3397         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3398         Allow propagation to INDIRECT_REF if we can simplify only.
3399
3400 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3401
3402         * c-common.c (warn_for_collisions_1): Use appropriate option when
3403         warning.
3404
3405 2008-02-19  Nick Clifton  <nickc@redhat.com>
3406
3407         PR other/31349
3408         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3409         (handle_options): Fix indentation.
3410         (print_filtered_help): If no language-specific options were
3411         displayed tell the user how to list all the options supported by
3412         the language's front-end.
3413         (print_specific_help): Fix indentation and remove duplicate line.
3414         (common_handle_option): Handle the -v option.
3415         For --help enable the display of undocumented options if the -v
3416         switch has been included on the command line.
3417         For --help= check for overlaps in the arguments between the option
3418         classes and the language names and issue a warning when they
3419         cannot be disambiguated.
3420         * c.opt (v): Pass on to the common option handler.
3421
3422 2008-02-19  Revital Eres  <eres@il.ibm.com>
3423
3424         * modulo-sched.c (sms_schedule): Change dump message when
3425         create_ddg function fails.
3426         (try_scheduling_node_in_cycle): Rename row to cycle.
3427         (print_partial_schedule): Rename CYCLE to ROW.
3428
3429 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3430             Zdenek Dvorak  <ook@ucw.cz>
3431
3432         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3433
3434 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3435
3436         PR target/33555
3437         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3438         (*x86_movdicc_0_m1_se): Ditto.
3439
3440 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3441
3442         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3443         (CMPtype): Define as __gcc_CMPtype.
3444         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3445         (CMPtype): Define as __gcc_CMPtype.
3446
3447 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3448
3449         Support valgrind 3.3 for --enable-checking=valgrind.
3450         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3451         here.
3452         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3453         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3454         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3455         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3456         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3457         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3458         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3459         respectively.
3460         * ggc-zone.c: Similar.
3461         * ggc-page.c: Similar.
3462
3463 2008-02-19  Paul Brook  <paul@codesourcery.com>
3464
3465         PR target/35071
3466         * config/arm/ieee754-df.S: Fix do_it typo.
3467         * config/arm/ieee754-sf.S: Fix do_it typo.
3468
3469 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3470
3471         PR target/35189
3472         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3473         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3474         (OPTION_MASK_ISA_SSE_SET): Likewise.
3475         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3476         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3477         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3478         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3479         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3480         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3481         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3482         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3483         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3484         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3485         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3486         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3487         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3488         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3489         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3490         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3491         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3492         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3493         (OPTION_MASK_ISA_SSE4): Removed.
3494         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3495         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3496         (override_options): Don't turn on implied SSE/MMX bits in
3497         ix86_isa_flags.
3498
3499 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3500
3501         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3502         32bit host.
3503
3504 2008-02-18  Joey Ye  <joey.ye@intel.com>
3505
3506         PR middle-end/34921
3507         * tree-nested.c (insert_field_into_struct): Set type alignment
3508         to field alignment if the former is less than the latter.
3509
3510 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3511
3512         * BASE-VER: Set to 4.4.0.
3513
3514 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3515
3516         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3517         * doc/cfg.texi: Likewise.
3518         * doc/extend.texi: Likewise.
3519         * doc/gty.texi: Likewise.
3520         * doc/invoke.texi: Likewise.
3521         * doc/loop.texi: Likewise.
3522         * doc/md.texi: Likewise.
3523         * doc/passes.texi: Likewise.
3524         * doc/rtl.texi: Likewise.
3525         * doc/sourcebuild.texi: Likewise.
3526         * doc/tm.texi: Likewise.
3527         * doc/tree-ssa.texi: Likewise.
3528
3529 2008-02-17  Richard Guenther  <rguenther@suse.de>
3530
3531         PR middle-end/35227
3532         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3533         without default definition.
3534
3535 2008-02-17  Richard Guenther  <rguenther@suse.de>
3536
3537         PR tree-optimization/35231
3538         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3539         if A | B != 1.
3540
3541 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3542
3543         Revert:
3544         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3545         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3546         libgcc_cmp_return mode.
3547
3548 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3549
3550         PR c/28368
3551         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3552
3553 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3554
3555         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3556         multilibs.
3557
3558 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3559
3560         * doc/c-tree.texi: Use `@.' where appropriate.
3561         * doc/extend.texi: Likewise.
3562         * doc/install.texi: Likewise.
3563         * doc/invoke.texi: Likewise.
3564         * doc/loop.texi: Likewise.
3565         * doc/makefile.texi: Likewise.
3566         * doc/md.texi: Likewise.
3567         * doc/passes.texi: Likewise.
3568         * doc/standards.texi: Likewise.
3569         * doc/tm.texi: Likewise.
3570
3571 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3572
3573         PR middle-end/35196
3574         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3575         in entry_bb.
3576         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3577         rather than in entry_bb.
3578
3579 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3580
3581         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3582         libgcc_cmp_return mode.
3583
3584 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3585
3586         PR middle-end/35130
3587         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3588         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3589
3590 2008-02-15  Richard Guenther  <rguenther@suse.de>
3591             Zdenek Dvorak  <ook@ucw.cz>
3592
3593         PR tree-optimization/35164
3594         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3595         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3596         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3597         Only propagate addresses which do not have abnormal SSA_NAMEs
3598         in their operands.
3599
3600 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3601
3602         PR target/35088
3603         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3604
3605 2008-02-15  Jan Hubicka  <jh@suse.cz>
3606
3607         PR middle-end/35149
3608         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3609
3610 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3611
3612         PR middle-end/34621
3613         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3614         when calculating alignment_pad.
3615
3616 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3617
3618         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3619         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3620         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3621         and STACK_BOUNDARY define.
3622
3623 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3624
3625         PR preprocessor/35061
3626         * c-pragma.c (handle_pragma_pop_macro): Check that
3627         pushed_macro_table has been allocated.
3628
3629 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3630
3631         PR middle-end/35136
3632         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3633         (force_gimple_operand): Likewise.
3634         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3635         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3636         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3637         (find_interesting_uses_address): Check addressability and alignment
3638         of the base expression only after substituting bases of IVs into it.
3639
3640 2008-02-14  Michael Matz  <matz@suse.de>
3641
3642         PR target/34930
3643         * function.c (instantiate_virtual_regs_in_insn): Reload address
3644         before falling back to reloading the whole operand.
3645
3646 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3647
3648         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3649         before the first section switch note.
3650
3651 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3652
3653         * doc/bugreport.texi: Update copyright years.
3654         * doc/c-tree.texi: Likewise.
3655         * doc/cfg.texi: Likewise.
3656         * doc/cpp.texi: Likewise.
3657         * doc/cppinternals.texi: Likewise.
3658         * doc/fragments.texi: Likewise.
3659         * doc/frontends.texi: Likewise.
3660         * doc/gcc.texi: Likewise.
3661         * doc/gty.texi: Likewise.
3662         * doc/hostconfig.texi: Likewise.
3663         * doc/implement-c.texi: Likewise.
3664         * doc/libgcc.texi: Likewise.
3665         * doc/loop.texi: Likewise.
3666         * doc/makefile.texi: Likewise.
3667         * doc/options.texi: Likewise.
3668         * doc/passes.texi: Likewise.
3669         * doc/rtl.texi: Likewise.
3670         * doc/sourcebuild.texi: Likewise.
3671         * doc/standards.texi: Likewise.
3672         * doc/tree-ssa.texi: Likewise.
3673         * doc/trouble.texi: Likewise.
3674
3675         * doc/extend.texi: Use @: or add comma where appropriate.
3676         * doc/invoke.texi: Likewise.
3677         * doc/tm.texi: Likewise.
3678
3679 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3680
3681         PR target/34393
3682         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3683         to a reg.
3684
3685 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3686
3687         * doc/md.texi (clz, ctz): Add reference.
3688         * doc/rtl.texi (clz, ctz): Likewise.
3689
3690 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3691
3692         PR other/35148
3693         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3694         srcdir.
3695
3696 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3697
3698         * config/s390/s390.c (struct constant_pool): New field
3699         emit_pool_after added.
3700         (s390_mainpool_start): Set the emit_pool_after flag according
3701         to the section switch notes.
3702         (s390_mainpool_finish): Consider emit_pool_after when emitting
3703         the literal pool at the end of the function.
3704         (s390_chunkify_start): Force literal pool splits at section
3705         switch notes.
3706
3707 2008-02-13  Michael Matz  <matz@suse.de>
3708
3709         PR debug/35065
3710         * var-tracking.c (clobber_variable_part): Correctly traverse the
3711         list.
3712
3713 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3714
3715         PR 29673
3716         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3717         Add -fdump-ipa-inline.
3718         * tree-dump.c (dump_files): Remove tree-inlined dump.
3719         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3720
3721 2008-02-12  Richard Guenther  <rguenther@suse.de>
3722
3723         PR tree-optimization/35171
3724         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3725         default defs.
3726
3727 2008-02-12  Richard Guenther  <rguenther@suse.de>
3728
3729         PR middle-end/35163
3730         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3731         value-preserving mode.  Disallow final truncation.
3732
3733 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3734
3735         PR middle-end/35136
3736         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3737         code from here to...
3738         (force_gimple_operand): ...here.
3739
3740 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3741
3742         PR c++/35144
3743         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3744         non-compatible pointers.
3745         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3746         different FIELD_DECLs, try harder by comparing field offsets, sizes
3747         and types.
3748
3749         PR inline-asm/35160
3750         * function.c (match_asm_constraints_1): Don't replace the same input
3751         multiple times.
3752
3753 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3754
3755         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3756         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3757         (expand_epilogue): Restore RAMPZ register.
3758         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3759
3760 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3761
3762         * config/i386/cygwin.asm: (__alloca): Correct calling
3763         convention and alignment.
3764         (__chkstk): Force 8 byte stack alignment.
3765
3766 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3767             Richard Guenther  <rguenther@suse.de>
3768
3769         PR tree-optimization/33992
3770         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3771         the zero we compare against.
3772
3773 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3774
3775         PR libfortran/35063
3776         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3777         to CloseHandle after unlocking to prevent accumulation of handle
3778         count.
3779
3780 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3781
3782         PR middle_end/34150
3783         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3784         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3785         and update LABEL_NUSES during and after reload.
3786
3787 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3788
3789         PR middle-end/34627
3790         * combine.c (simplify_if_then_else): Make sure the comparison is
3791         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3792
3793 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3794
3795         PR bootstrap/35051
3796         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3797         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3798         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3799         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3800         * tree.h (get_type_static_bounds): Likewise.
3801
3802 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3803
3804         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3805         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3806         Make -Wfoo language annotations match what the compiler outputs.
3807
3808 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3809
3810         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3811         intrinsics spu_convts, spu_convtu, spu_convtf.
3812         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3813
3814 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3815
3816         * doc/extend.texi (Function Attributes) <noinline>: Mention
3817         asm ("") as method to keep calls.
3818
3819 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3820
3821         PR other/32754
3822         * doc/options.texi (Options): Replace references to opts.sh with
3823         optc-gen.awk.
3824         * opts-common.c: Likewise.
3825         * optc-gen.awk: Likewise.
3826
3827 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3828
3829         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3830
3831 2008-02-07  Richard Henderson  <rth@redhat.com>
3832
3833         PR rtl-opt/33410
3834         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3835         EXPR_LIST for the REG_EQUAL instead of a comparison with a
3836         funny mode.
3837
3838 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3839
3840         PR tree-optimization/35085
3841         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3842         for operand entry oe2 in addition to operand entry oe3 in order to
3843         expose more opportunities for vectorizer sum reduction.
3844
3845 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3846
3847         PR other/35107
3848         * Makefile.in (LIBS): Remove $(GMPLIBS).
3849         (cc1-dummy, cc1): Add $(GMPLIBS).
3850
3851 2008-02-06  Jan Hubicka  <jh@suse.cz>
3852
3853         PR target/23322
3854         * i386.md (moddf_integer): Do not produce partial memory stalls for
3855         targets where it hurts.
3856
3857 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3858
3859         PR target/35083
3860         * optabs.c (expand_float): Do not check for decimal modes when
3861         expanding unsigned integer through signed conversion.
3862
3863 2008-02-06  Nick Clifton  <nickc@redhat.com>
3864
3865         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3866         inside the clobber with a match_operand and duplicated operand
3867         number in the constraint.
3868         (ineqbranchsi): Delete redundant comment.
3869
3870 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3871
3872         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3873         builtin_define ("__USE_INIT_FINI__").
3874         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3875         -msx multilibs.
3876         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3877
3878 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3879
3880         PR documentation/30330
3881         * doc/invoke.texi (C++ Dialect Options)
3882         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3883         For each warning option -Wfoo that allows -Wno-foo, ensure both
3884         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3885         entry of -Wswitch-default, index -Wnormalized= including the
3886         `=', and -Wlarger-than-@var{len} including @var{len}.
3887
3888 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3889
3890         * config/i386/i386.md (floatunssisf2): Use
3891         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3892         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3893         Macroize expander using MODEF mode iterator.
3894
3895 2008-02-05  Diego Novillo  <dnovillo@google.com>
3896
3897         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3898
3899         PR 33738
3900         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3901
3902 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3903
3904         PR other/35070
3905         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3906
3907 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3908
3909         PR target/35084
3910         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3911         to indicate if a message should be generated.
3912         (init_cumulative_args): Updated.
3913         (function_value_32): Likewise.
3914
3915 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3916
3917         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3918
3919 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3920
3921         PR target/35083
3922         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3923         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3924
3925 2008-02-04  Diego Novillo  <dnovillo@google.com>
3926
3927         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3928
3929         PR 33738
3930         * tree-vrp.c (vrp_evaluate_conditional): With
3931         -Wtype-limits, emit a warning when comparing against a
3932         constant outside the natural range of OP0's type.
3933
3934 2008-02-04  Richard Guenther  <rguenther@suse.de>
3935
3936         PR middle-end/33631
3937         * expr.c (count_type_elements): Give for unions instead of
3938         guessing.
3939
3940 2008-02-04  Richard Guenther  <rguenther@suse.de>
3941
3942         PR middle-end/35043
3943         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3944         to TYPE_DOMAINs base type instead of using bitsizetype here.
3945
3946 2008-02-03  Jason Merrill  <jason@redhat.com>
3947
3948         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3949
3950 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3951
3952         PR other/29972
3953         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3954         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3955         (RS/6000 and PowerPC Options): Fix typos and markup.
3956         * doc/passes.texi (Tree-SSA passes): Likewise.
3957
3958 2008-02-02  Michael Matz  <matz@suse.de>
3959
3960         PR target/35045
3961         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3962         from record_last_reg_set_info.
3963         (record_last_reg_set_info): Take an RTX argument, iterate over all
3964         constituent hardregs.
3965         (record_last_set_info, record_opr_changes): Change calls to
3966         new signature or to record_last_reg_set_info_regno.
3967
3968 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3969
3970         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3971
3972 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3973
3974         PR rtl-optimization/34773
3975         * reg-notes.def (EQUAL): Mention significance of combination of
3976         REG_EQUAL and REG_RETVAL.
3977         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3978         insn that has a REG_RETVAL.
3979
3980 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3981
3982         PR bootstrap/33781
3983         * configure.ac (--enable-fixed-point): Disable unless explicitly
3984         requested on IRIX.
3985         * configure: Regenerate.
3986
3987 2008-02-01  Richard Guenther  <rguenther@suse.de>
3988
3989         PR other/35042
3990         * invoke.texi (-finline-limit): Remove no longer true parts
3991         of the documentation.  Note that there is no default value.
3992
3993 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3994             Mark Mitchell  <mark@codesourcery.com>
3995             Ben Elliston  <bje@au.ibm.com>
3996
3997         PR c/29326
3998         * doc/extend.texi (Other Builtins): Document.
3999
4000 2008-01-31  Tom Browder <tom.browder@gmail.com>
4001
4002         * doc/c-tree.texi (Types): Fix grammar.
4003         (Expression trees): Ditto.
4004         * doc/passes.texi (Tree-SSA passes): Ditto.
4005
4006         * doc/configterms.texi (Configure Terms): Fix typo.
4007         * doc/cpp.texi (Common Predefined Macros): Ditto.
4008         * doc/md.texi (Machine Constraints): Ditto.
4009
4010         * doc/makefile.texi (Makefile): Add comma.
4011
4012 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4013             Gerald Pfeifer  <gerald@pfeifer.com>
4014
4015         * doc/sourcebuild.texi (Front End): Remove references to CVS
4016         and CVSROOT/modules.
4017         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4018         (Back End): Remove reference to CVS.
4019
4020 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4021
4022         PR target/34900
4023         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4024         comment from...
4025         (mips16_gp_pseudo_reg): ...here.
4026         * config/mips/mips.md (load_const_gp): Replace with...
4027         (load_const_gp_<mode>): ...this :P-based insn.
4028
4029 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4030
4031         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4032         options. Minor fixes.
4033         (-std): Move reference to standards closer to where language
4034         standards are first mentioned.
4035
4036 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4037
4038         PR rtl-optimization/34995
4039         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4040         parameter and return a bool.  If the rtx parameter is nonnull,
4041         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4042         (find_reloads): Update call accordingly.  Pass the new operand
4043         if it needed no address reloads, otherwise pass null.
4044
4045 2008-01-30  Richard Henderson  <rth@redhat.com>
4046
4047         PR c/34993
4048         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4049         for unbounded arrays.
4050
4051 2008-01-30  Silvius Rus  <rus@google.com>
4052
4053         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4054
4055 2008-01-30  Jan Hubicka  <jh@suse.cz>
4056
4057         PR target/34982
4058         * i386.c (init_cumulative_args): Use real function declaration when
4059         calling locally.
4060
4061 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4062
4063         PR rtl-optimization/34998
4064         * global.c (build_insn_chain): Treat non-subreg_lowpart
4065         SUBREGs of pseudos as clobbering all the words covered by the
4066         SUBREG, not just all the bytes.
4067         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4068         original df_ref rather than an extract parameter.
4069         (global_conflicts): Update call accordingly.
4070
4071 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4072
4073         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4074         the overflow check to make it easier to read.
4075         (__fixtfdi): Change the type of the ll member in union
4076         long_double to UDItype_x.
4077
4078 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4079
4080         PR middle-end/34969
4081         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4082         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4083         * tree-inline.c (fold_marked_statements): Call
4084         cgraph_update_edges_for_call_stmt if folding a call statement.
4085         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4086         debug_generic_stmt calls, reset it back afterwards.
4087
4088         PR c/35017
4089         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4090         static decls.
4091         * c-typeck.c (build_external_ref): Don't pedwarn about
4092         static vars in current function's scope.
4093
4094 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4095
4096         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4097
4098 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4099
4100         PR c/35002
4101         * ipa-struct-reorg.c: Fix spelling.
4102         * params.def: Ditto.
4103
4104 2008-01-29  Richard Guenther  <rguenther@suse.de>
4105
4106         PR middle-end/35006
4107         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4108         field.
4109         * tree-inline.c (remap_type): Increment remapping_type_depth
4110         around remapping types.
4111         (copy_body_r): Only add referenced variables if they are referenced
4112         from code, not types.
4113
4114 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4115
4116         PR c++/34055
4117         PR c++/34103
4118         PR c++/34219
4119         PR c++/34606
4120         PR c++/34753
4121         PR c++/34754
4122         PR c++/34755
4123         PR c++/34919
4124         PR c++/34961
4125         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4126         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4127
4128 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4129
4130         PR target/34412
4131         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
4132         pointer for tiny stack.
4133
4134 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4135
4136         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4137
4138 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4139
4140         * config/vx-common.h: Fix typo in comment.
4141
4142 2008-01-28  Ian Lance Taylor  <iant@google.com>
4143
4144         PR c++/34862
4145         PR c++/33407
4146         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4147         coalesce pointers if they have different DECL_NO_TBAA_P values.
4148         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4149         between variables with different DECL_NO_TBAA_P values.
4150
4151 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4152
4153         PR 31535
4154         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4155         are not legitimate small data references on SPE targets.
4156
4157 2008-01-28  David Daney  <ddaney@avtrex.com>
4158
4159         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4160
4161 2008-01-28  David Daney  <ddaney@avtrex.com>
4162
4163         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4164
4165 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4166
4167         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4168         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4169         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4170         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4171         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4172         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4173         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4174         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4175
4176 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4177
4178         * basic-block.h (condjump_equiv_p): Fix comment.
4179
4180 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4181
4182         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4183         print_generic_stmt_indented): Fix comment.
4184
4185 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4186
4187         * configure.ac (__stack_chk_fail): Add detecion for availability
4188         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4189         * configure: Regenerate.
4190
4191 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4192
4193         PR middle-end/34688
4194         * final.c (output_addr_const): Handle TRUNCATE.
4195
4196 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4197
4198         PR target/34711
4199         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4200         (zero_cost, infinite_cost): New constants.
4201         (struct cost_pair): Change type of cost to comp_cost.
4202         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4203         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4204         New functions.
4205         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4206         split_address_cost, ptr_difference_cost, difference_cost,
4207         get_computation_cost_at, get_computation_cost,
4208         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4209         determine_use_iv_cost_condition, determine_use_iv_costs,
4210         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4211         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4212         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4213         Change type of cost to comp_cost.
4214         (determine_iv_cost): Increase cost of non-original ivs, instead
4215         of decreasing the cost of original ones.
4216         (get_address_cost): Indicate the complexity of the addressing mode
4217         in comp_cost.
4218         (try_add_cand_for): Prefer using ivs not specific to some object.
4219         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4220
4221 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4222             Janis Johnson  <janis187@us.ibm.com>
4223
4224         PR target/34814
4225         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4226         (TARGET_INSTANTIATE_DECLS): Likewise.
4227         * target.h (expand_to_rtl_hook): New target hook.
4228         (instantiate_decls): Likewise.
4229         * function.c (instantiate_decl): Make non-static.  Rename to...
4230         (instantiate_decl_rtl): ... this.
4231         (instantiate_expr): Use instantiate_decl_rtl.
4232         (instantiate_decls_1): Likewise.
4233         (instantiate_decls): Likewise.
4234         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4235         * function.h (instantiate_decl_rtl): Add prototype.
4236         * cfgexpand.c (target.h): New include.
4237         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4238         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4239         (TARGET_INSTANTIATE_DECLS): Likewise.
4240         (TARGET_INITIALIZER): New target hooks added.
4241         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4242         New prototype.
4243         * config/rs6000/rs6000.c (tree-flow.h): New include.
4244         (machine_function): Add sdmode_stack_slot field.
4245         (rs6000_alloc_sdmode_stack_slot): New function.
4246         (rs6000_instantiate_decls): Likewise.
4247         (rs6000_secondary_memory_needed_rtx): Likewise.
4248         (rs6000_check_sdmode): Likewise.
4249         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4250         (TARGET_INSTANTIATE_DECLS): Likewise.
4251         (rs6000_hard_regno_mode_ok): Allow SDmode.
4252         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4253         (rs6000_emit_move): Handle SDmode.
4254         (function_arg_advance): Likewise.
4255         (function_arg): Likewise.
4256         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4257         SDmode var args for 32-bit compiles.
4258         (rs6000_secondary_reload_class): Handle SDmode.
4259         (rs6000_output_function_epilogue): Likewise.
4260         (rs6000_function_value): Simplify if statement.
4261         (rs6000_libcall_value): Likewise.
4262         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4263         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4264         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4265         (movsd_hardfloat): New define_insn.
4266         (movsd_softfloat): Likewise.
4267         (movsd_store): Likewise.
4268         (movsd_load): Likewise.
4269         (extendsddd2): Likewise.
4270         (extendsdtd2): Likewise.
4271         (truncddsd2): Likewise.
4272         (movdd_hardfloat64): Fixup comment.
4273         (UNSPEC_MOVSD_LOAD): New constant.
4274         (UNSPEC_MOVSD_STORE): Likewise.
4275
4276 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4277
4278         PR c++/34965
4279         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4280         TRUTH_XOR_EXPR.
4281         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4282         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4283         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4284         and TRUTH_XOR_EXPR.
4285
4286 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4287
4288         PR target/34794
4289         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4290         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4291         __LONGDOUBLE128 too.
4292         * config/rs6000/aix61.h: New file.
4293
4294 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4295
4296         PR rtl-optimization/34959
4297         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4298         popcount and parity rtxes the same mode as their operand.
4299         Truncate or extend the result to the return value's mode
4300         if necessary.
4301
4302 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4303
4304         PR target/34981
4305         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4306         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4307         to GOT_VERSION_REGNUM.
4308         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4309         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4310         * config/mips/mips.c (mips_emit_call_insn): New function.
4311         (mips_call_tls_get_addr): Call mips_expand_call directly.
4312         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4313         emit_call_insn.
4314         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4315         (mips_expand_call): Update the call to mips16_build_call_stub
4316         accordingly and a remove redundant condition.  Assert that MIPS16
4317         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4318         the call insn.
4319         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4320         TARGET_USE_GOT.
4321         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4322         (mips_avoid_hazard): Remove hazard_set handling.
4323         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4324         (UNSPEC_RESTORE_GP): ...this.
4325         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4326         (FAKE_CALL_REGNO): Rename to...
4327         (GOT_VERSION_REGNUM): ...this.
4328         (type): Add "ghost" value.  Add an associated insn reservation.
4329         (hazard_set): Remove.
4330         (exception_receiver): Rename to...
4331         (restore_gp): ...this and update the unspec identifier accordingly.
4332         (exception_receiver, nonlocal_got_receiver): New expanders.
4333         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4334         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4335         (set_got_version, update_got_version): New patterns.
4336
4337 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4338
4339         PR target/34970
4340         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4341
4342 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4343
4344         PR other/31955
4345         * doc/install.texi2html: Generate gcc-vers.texi.
4346
4347 2008-01-25  DJ Delorie  <dj@redhat.com>
4348
4349         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4350
4351 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4352
4353         * config/c4x: Remove directory.
4354         * config.gcc (crx-*, mt-*): Mark obsolete.
4355         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4356         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4357         sh-*-rtemscoff*): Remove cases.
4358         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4359         * real.c (encode_c4x_single, decode_c4x_single,
4360         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4361         c4x_extended_format): Remove.
4362         * real.h (c4x_single_format, c4x_extended_format): Remove.
4363         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4364         on C4x.
4365         (Pragmas): Remove comment about c4x pragmas.
4366         * doc/install.texi (c4x): Remove target-specific instructions.
4367         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4368         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4369         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4370         refer to C4x source files as examples.
4371         (C4X_FLOAT_FORMAT): Remove documentation.
4372
4373 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4374
4375         * config/bfin/bfin.c (override_options): Reorder tests so that
4376         flag_pic gets enabled for -msep-data.
4377
4378 2008-01-25  Richard Guenther  <rguenther@suse.de>
4379
4380         PR middle-end/32244
4381         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4382         to its bitfield precision if required.
4383
4384 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4385
4386         PR middle-end/33880
4387         * tree-nested.c (walk_omp_for): New function.
4388         (convert_nonlocal_reference, convert_local_reference): Call
4389         walk_omp_for on OMP_FOR.
4390         (convert_call_expr): Call walk_body on OMP_FOR's
4391         OMP_FOR_PRE_INIT_BODY.
4392
4393 2008-01-25  Richard Guenther  <rguenther@suse.de>
4394
4395         PR tree-optimization/34966
4396         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4397         default defs and PHI_NODEs we have to insert after the
4398         defining statement.
4399
4400 2008-01-24  Nick Clifton  <nickc@redhat.com>
4401
4402         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4403         Provide a default definition.
4404         (LIBGCC2_UNITS_PER_WORD): Likewise.
4405
4406         * config/stormy16/stormy16.c: Include df.h for the prototype
4407         for df_regs_ever_live_p.
4408         (xstormy16_expand_builtin_va_start): Convert the stack offset
4409         into a component_ref and then use POINTER_PLUS_EXPR to add it
4410         to the incoming_virtual_args_rtx.
4411         (xstormy16_gimplify_va_arg_expr): Rename to
4412         xstormy16_gimplify_va_arg_expr.
4413         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4414         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4415         xstormy16_gimplify_va_arg_expr.
4416         Fix up some formatting issues.
4417
4418         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4419         Move to predicates.md.
4420         (xs_hi_general_operand): Likewise.
4421         (xs_hi_nonmemory_operand): Likewise.
4422         * config/stormy16/predicates.md:
4423         (xstormy16_carry_plus_operand): New predicate.
4424         (xs_hi_general_operand): New predicate.
4425         (xs_hi_nonmemory_operand): New predicate.
4426         * config/stormy16/stormy16-protos.h:
4427         (xstormy16_carry_plus_operand): Delete prototype.
4428         (xs_hi_general_operand): Likewise.
4429         (xs_hi_nonmemory_operand): Likewise.
4430
4431         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4432         modifiers as they are no longer needed and they can trigger
4433         reload spill failures.
4434
4435         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4436         with a match_operand in order to help reload.
4437
4438         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4439         constraint with 'e' for the 8th alternative as this version of
4440         the mov.w instruction only accepts the lower 8 registers.
4441
4442 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4443
4444         PR target/34856
4445         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4446         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4447         vector elements.
4448
4449 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4450
4451         PR middle-end/33333
4452         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4453
4454 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4455
4456         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4457         New functions.
4458         (remove_structure): Update allocations list before removing structure.
4459
4460 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4461
4462         * ipa-struct-reorg.c (is_safe_cond_expr,
4463         create_new_stmts_for_cond_expr): Use integer_zerop function,
4464         that recognize not only zero-pointer, but zero-integer too.
4465
4466 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4467
4468         PR other/22232
4469         * fixproto: Escape "." in sed expression that strips leading "./".
4470
4471 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4472
4473         PR driver/34904
4474         * gcc.c (SWITCH_OK): Removed.
4475         (SWITCH_LIVE): Changed to bit.
4476         (SWITCH_FALSE): Likewise.
4477         (SWITCH_IGNORE): Likewise.
4478         (switchstr): Change live_cond to unsigned int.
4479         (process_command): Replace SWITCH_OK with 0.
4480         (do_self_spec): Likewise.
4481         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4482         (give_switch): Likewise.
4483         (used_arg): Likewise.
4484         (do_spec_1): Set the SWITCH_IGNORE bit.
4485         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4486         bits.  Set the SWITCH_LIVE bit.
4487
4488 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4489
4490         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4491
4492 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4493
4494         PR tree-optimization/34472
4495         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4496         parameter to a "bool *" and set *DATA to false if there is
4497         an unsafe access.  Do not delete the structure here.
4498         (check_cond_exprs): Delete it here instead.
4499         (check_cond_exprs, exclude_cold_structs): Do not increase
4500         I when removing a structure.
4501
4502 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4503
4504         PR target/34856
4505         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4506         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4507
4508 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4509
4510         PR middle-end/34934
4511         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4512         a fixed vector for stack.
4513
4514 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4515
4516         PR c++/25701
4517         * doc/gcc.texi (Software development): Add a direntry for g++.
4518
4519 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4520
4521         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4522         stale and straggling -fforce-addr comments above.
4523
4524         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4525         define.
4526         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4527         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4528
4529 2008-01-23  Michael Matz  <matz@suse.de>
4530
4531         PR debug/34895
4532         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4533         gen_type_die.
4534
4535 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4536
4537         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4538         malloc result type.
4539
4540 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4541
4542         * config/avr/avr.c (avr_current_arch): New variable.
4543         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4544         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4545         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4546         (avr_override_options): Init 'avr_current_arch'.
4547         (base_arch_s): Move from here...
4548         * config/avr/avr.h (base_arch_s): ... here. Add new members
4549         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
4550         'mega' to 'have_jmp_call'.
4551         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
4552         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4553         macros.
4554         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
4555         architectures.
4556         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4557         MULTILIB_MATCHES): (Ditto.).
4558
4559 2008-01-23  Richard Guenther  <rguenther@suse.de>
4560
4561         PR middle-end/31529
4562         * cgraphunit.c (cgraph_reset_node): Always mark the node
4563         not reachable if it is not queued already.
4564
4565 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4566
4567         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4568         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4569         (cputype_selected): New static variable.
4570         (bfin_handle_option): Set it if -mcpu is used.
4571         (override_option): Select default set of workarounds if no cpu type
4572         selected on the command line.
4573         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4574
4575         From  Michael Frysinger  <michael.frysinger@analog.com>
4576         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4577         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4578
4579         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4580         for bf547, bf523, bf524, and bf526.
4581         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4582         bf526.
4583         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4584         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4585         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4586         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4587         * doc/invoke.texi (Blackfin Options): Document that
4588         -mcpu now accept bf547, bf523, bf524, and bf526.
4589
4590 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4591
4592         PR rtl-optimization/34628
4593         * combine.c (try_combine): Stop and undo after the first combination
4594         if an autoincrement side-effect on the first insn has effectively
4595         been lost.
4596
4597 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4598
4599         PR target/34529
4600         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4601         Offset addresses are not valid for Altivec or paired float modes.
4602
4603 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4604
4605         PR c++/34607
4606         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4607         if DECL_INITIAL (decl) is error_mark_node.
4608
4609         PR c++/34914
4610         * c-common.c (handle_vector_size_attribute): Only allow
4611         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4612         the same way as pointer, array etc. types.
4613         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4614
4615         PR c++/34917
4616         * tree.c (build_type_attribute_qual_variant): Call
4617         build_qualified_type if attributes are equal, but quals are not.
4618
4619 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4620
4621         PR 32102
4622         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4623         * flags.h (warn_strict_aliasing): Remove.
4624         (warn_strict_overflow): Remove.
4625         * opts.c (warn_strict_aliasing): Remove.
4626         (warn_strict_overflow): Remove.
4627         * c-opts.c (c_common_handle_option): -Wall only sets
4628         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4629         (c_common_post_options): Give default values to -Wstrict-aliasing
4630         and -Wstrict-overflow if they are uninitialized.
4631         * common.opt (Wstrict-aliasing): Specify Var and Init.
4632         (Wstrict-overflow): Likewise.
4633
4634 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4635
4636         PR rtl-optimization/26854
4637         PR rtl-optimization/34400
4638         PR rtl-optimization/34884
4639         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4640         DF_RD->gen.
4641         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4642         (df_rd_bb_info.expanded_lr_out): Deleted
4643         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4644         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4645         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4646         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4647         Removed code to allocate, initialize or free expanded_lr_out.
4648         (df_rd_bb_local_compute_process_def): Restructured to make more
4649         understandable.
4650         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4651         sets if the sets are being trimmed.
4652
4653 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4654
4655         PR bootstrap/32287
4656         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4657         (as_vers): Likewise.
4658         * configure: Regenerated.
4659
4660 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4661
4662         PR middle-end/33092
4663         * tree-pass.h (pass_build_alias): New pass.
4664         * tree-ssa-alias.c (gate_build_alias): New.
4665         (pass_build_alias): New.
4666         * passes.c (init_optimization_passes): Add pass_build_alias after
4667         pass_create_structure_vars.
4668
4669 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4670
4671         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4672         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4673         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4674         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4675         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4676         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4677         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4678         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4679         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4680         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4681         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4682         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4683         * config/s390/s390.md (FP_ALL): New mode iterator.
4684         (_d): New mode attribute.
4685         ("*signbit<mode>2>"): Changed mode of first operand.
4686         ("isinf<mode>2"): Changed mode of first operand.
4687         ("*TDC_insn"): Adaptation for DFP modes.
4688
4689 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4690
4691         * tree.c (check_qualified_type): Improve function description.
4692
4693 2008-01-21  Jason Merrill  <jason@redhat.com>
4694
4695         PR c++/34196
4696         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4697         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4698         if it is set.
4699
4700 2008-01-21  DJ Delorie  <dj@redhat.com>
4701
4702         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4703         return zero.
4704
4705 2008-01-21  Richard Guenther  <rguenther@suse.de>
4706
4707         PR middle-end/34856
4708         * tree-cfg.c (verify_expr): Allow all invariant expressions
4709         instead of just constant class ones as reference argument.
4710         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4711         like any other constant.
4712         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4713
4714 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4715
4716         * regmove.c (fixup_match_1): Update call crossed frequencies.
4717
4718 2008-01-21  Richard Guenther  <rguenther@suse.de>
4719
4720         PR c/34885
4721         * tree-inline.c (setup_one_parameter): Deal with mismatched
4722         types using a VIEW_CONVERT_EXPR.
4723
4724 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4725             Olga Golovanevsky  <olga@il.ibm.com>
4726
4727         PR tree-optimization/34701
4728         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4729         when the structure size is not a power of 2.
4730
4731 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4732
4733         * doc/install.texi: Add doc for --enable-checking=df.
4734
4735 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4736
4737         PR rtl-optimization/34808
4738         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4739
4740 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4741
4742         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4743         input.
4744
4745 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4746
4747         PR rtl-optimization/26854
4748         PR rtl-optimization/34400
4749         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4750         DF_RD->gen.
4751         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4752         (df_rd_bb_info.expanded_lr_out): New.
4753         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4754         * loop_iv.c (iv_analysis_loop_init): Ditto.
4755         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4756         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4757         Added code to allocate, initialize or free expanded_lr_out.
4758         (df_rd_bb_local_compute_process_def): Restructured to make
4759         more understandable.
4760         (df_rd_confluence_n): Add code to do nothing with fake edges and
4761         code to no apply invalidate_by_call sets if the sets are being trimmed.
4762         (df_lr_local_finalize): Renamed to df_lr_finalize.
4763         (df_live_local_finalize): Renamed to df_live_finalize.
4764
4765 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4766
4767         PR target/34831
4768         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4769         deciding whether to use reciprocal instructions.
4770
4771 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4772
4773         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4774         dwarf2out_note_section_used if cold_text_section is NULL.
4775
4776 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4777
4778         PR gcov-profile/34610
4779         * tree-cfg.c (make_edges): Mark both outgoing edges from
4780         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4781         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4782         from OMP_FOR and OMP_CONTINUE outgoing edges.
4783
4784         * tree-profile.c (tree_profiling): Return early if
4785         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4786         at the end.
4787         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4788         from cfun to child_cfun.
4789         * function.h (struct function): Add after_tree_profile bit.
4790
4791 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4792
4793         * config/avr/avr.S (_exit): Disable interrupt.
4794
4795 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4796             Steven Bosscher  <stevenb.gcc@gmail.com>
4797
4798         PR rtl-optimization/26854
4799         PR rtl-optimization/34400
4800         * df-problems.c (df_live_scratch): New scratch bitmap.
4801         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4802         (df_live_reset): Clear the proper bitmaps.
4803         (df_live_bb_local_compute): Only process the artificial defs once
4804         since the order is not important.
4805         (df_live_init): Init the df_live sets only with the variables
4806         found live by df_lr.
4807         (df_live_transfer_function): Use the df_lr sets to prune the
4808         df_live sets as they are being computed.
4809         (df_live_free): Free df_live_scratch.
4810
4811 2008-01-18  Ian Lance Taylor  <iant@google.com>
4812
4813         * common.opt: Add fmerge-debug-strings.
4814         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4815         flag_merge_debug_strings rather than flag_merge_constants.
4816         * doc/invoke.texi (Option Summary): Mention
4817         -fmerge-debug-strings.
4818         (Debugging Options): Document -fmerge-debug-strings.
4819
4820 2008-01-18  Ian Lance Taylor  <iant@google.com>
4821
4822         PR c++/33407
4823         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4824         (struct tree_function_decl): Add new field operator_new_flag.
4825         * tree-inline.c (expand_call_inline): When inlining a call to
4826         operator new, force the return value to go into a variable, and
4827         set DECL_NO_TBAA_P on that variable.
4828         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4829
4830 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4831
4832         PR debug/34484
4833         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4834         DWARF2_DEBUGGING_INFO.
4835         (dwarf2out_note_section_used): Ditto.  Add prototype.
4836         (have_multiple_function_sections, text_section_used,
4837         cold_text_section_used, *cold_text_sections): Move declarations
4838         before their uses.
4839
4840 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4841
4842         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4843         field and add signal_ra.
4844         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4845         assignments to frame state pc.  Move end of stack check after
4846         MD_FALLBACK_FRAME_STATE_FOR.
4847         (uw_update_context_1): Use frame state signal_regs if set, instead
4848         of checking signal_frame flag.
4849         (uw_update_context): Use frame state signal_ra if set.
4850         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4851         * config/xtensa/linux-unwind.h: New file.
4852
4853 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4854
4855         * modulo-sched.c (get_sched_window): Fix comment typo.
4856
4857 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4858
4859         PR tree-optimization/34648
4860         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4861
4862 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4863
4864         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4865         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4866
4867 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4868
4869         PR rtl-optimization/34400
4870         * df-core.c (df_worklist_dataflow_overeager,
4871         df_worklist_dataflow_doublequeue): New functions.
4872         (df_worklist_dataflow): Two different worklist solvers.
4873         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4874         New param.
4875
4876 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4877
4878         PR testsuite/34821
4879         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4880         and ftree-parallelize-loops.
4881
4882 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4883
4884         PR rtl-optimization/34826
4885         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4886
4887 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4888
4889         * global.c (find_reg): Mark the eh regs as used if necessary.
4890         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4891         * ra.h (struct allocno): no_eh_reg field added.  Changed
4892         no_stack_reg type to bitfield.
4893
4894 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4895
4896         * tree.c (substitute_in_expr): Add missing 'break'.
4897
4898 2008-01-17  Richard Guenther  <rguenther@suse.de>
4899
4900         PR tree-optimization/34825
4901         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4902         x / x as division to handle.
4903
4904 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4905
4906         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4907         "-pthread" is specified.
4908         * pa-hpux11.h (LIB_SPEC): Likewise.
4909
4910 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4911             Peter Bergner  <bergner@vnet.ibm.com>
4912
4913         PR rtl-optimization/33796
4914         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4915
4916 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4917
4918         PR libgfortran/34699
4919         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4920         static links.
4921         * pa-hpux10.h (LINK_SPEC): Likewise.
4922         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4923
4924 2008-01-16  Richard Guenther  <rguenther@suse.de>
4925
4926         PR middle-end/32628
4927         * fold-const.c (fold_convert_const_int_from_int): Do not
4928         set overflow if that occured only because of a sign extension
4929         change when converting from/to a sizetype with the same
4930         precision and signedness.
4931
4932 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4933
4934         PR debug/34249
4935         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4936         location address to the correct place.  Update copyright year.
4937
4938 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4939
4940         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4941         no dependences in the dependence_relations vector.
4942
4943 2008-01-16  Jan Hubicka  <jh@suse.cz>
4944
4945         PR rtl-optimization/31396
4946         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4947         * cfg.c (dump_reg_info): Print it.
4948         * regs.h (struct reg_info_t): add freq_calls_crossed.
4949         (REG_FREQ_CALLS_CROSSED): New macro.
4950         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4951         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4952         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4953         regmove_optimize): Update call crossed frequencies.
4954         * local-alloc.c (struct qty): Add freq_calls_crossed.
4955         (alloc_qty): Copute freq_calls_crossed.
4956         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4957         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4958         * ra.h (struct allocno): Add freq_calls_crossed.
4959
4960 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4961
4962         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4963         libgomp when compiling with ftree-parallelize-loops.
4964         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4965
4966 2008-01-16  Richard Guenther  <rguenther@suse.de>
4967
4968         PR tree-optimization/34769
4969         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4970         * tree.c (int_cst_value): Instead make this function more
4971         permissive in what it accepts as valid input.  Document this
4972         function always sign-extends the value.
4973
4974 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4975             Richard Guenther  <rguenther@suse.de>
4976
4977         PR c/34668
4978         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4979         (gimple_fold_indirect_ref_rhs): ... this.
4980         (gimple_fold_indirect_ref): New function with foldings
4981         that preserve lvalueness.
4982         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4983         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4984         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4985         to fold an INDIRECT_REF, fall back to the old use of
4986         fold_indirect_ref_1.
4987
4988 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4989
4990         * tree-data-ref.c (subscript_dependence_tester_1): Call
4991         free_conflict_function.
4992         (compute_self_dependence): Same.
4993
4994 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4995
4996         PR debug/34249
4997         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4998         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4999         function global.
5000         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5001         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5002         for DWARF2_UNWIND_INFO targets.
5003
5004 2008-01-16  Richard Guenther  <rguenther@suse.de>
5005
5006         PR c/34768
5007         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5008         type qualifiers for function types.
5009
5010 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5011
5012         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5013         loop_iterator li from previous commit.
5014
5015 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5016
5017         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5018
5019 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5020
5021         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5022         (parallelize_loops): Don't parallelize irreducible components.
5023
5024 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5025
5026         PR c++/24924
5027         * c-opts (c_common_post_options): Do not enable CPP
5028         flag_pedantic_errors by default.
5029
5030 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5031
5032         PR rtl-optimization/31944
5033         * cse.c (remove_pseudo_from_table): New function.
5034         (merge_equiv_classes): Use above function to remove pseudo-registers.
5035         (invalidate): Likewise.
5036
5037 2008-01-13  Richard Guenther  <rguenther@suse.de>
5038
5039         PR middle-end/34601
5040         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5041         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5042
5043 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5044
5045         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5046         validate_change to unshare the source of the PC set.
5047
5048 2008-01-12  Jan Hubicka  <jh@suse.cz>
5049
5050         PR middle-end/32135
5051         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5052         references above array bounds.  This might trigger bounds checks for
5053         pointers to arrays.
5054
5055 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5056
5057         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5058         new_replaceable_dependencies.
5059
5060 2008-01-12  Doug Kwan  <dougkwan@google.com>
5061
5062         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5063         instead of OPT_Wreturn_type in warning due to ignored return type
5064         qualifiers.
5065         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5066         options included in -Wextra.
5067         * c.opt: New option -Wignored_qualifiers.
5068         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5069         -Wignore_qualifiers.
5070         (-Wignored-qualifiers): Document.
5071         (-Wreturn-type): Remove description of functionality now handled
5072         by -Wignored-qualifiers.
5073
5074 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5075
5076         PR ada/33788
5077         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5078         NOP_EXPR if it is between integral types with the same precision.
5079
5080 2008-01-12  Jan Hubicka  <jh@suse.cz>
5081
5082         PR other/28023
5083         * invoke.texi (max-inline-recursive-depth): Fix default value.
5084
5085 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5086
5087         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5088         correct type.
5089
5090 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5091
5092         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5093
5094 2008-01-11  James E. Wilson  <wilson@specifix.com>
5095
5096         PR target/26015
5097         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5098
5099 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5100
5101         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
5102         save/restore frame pointer register and don't use 'call-prologues'
5103         optimization in function with "OS_task" attribute.
5104
5105 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5106
5107         PR middle-end/31309
5108         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5109         when copying to memory.
5110
5111 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5112
5113         PR rtl-optimization/30905
5114         * cfgcleanup.c: Include dce.h
5115         (crossjumps_occured): New global variable.
5116         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5117         If something changed, set crossjumps_occured to true.
5118         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5119         Don't add/remove fake edges to exit here...
5120         (cleanup_cfg): ...but do it here, when crossjumping.
5121         Run a fast DCE when successful crossjumps occured in the latest
5122         iteration of try_optimize_cfg.
5123
5124 2008-01-11  Richard Guenther  <rguenther@suse.de>
5125
5126         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5127         (struct vn_unary_op_s): Likewise.
5128         (vn_reference_insert): Free old reference on hash collision.
5129
5130 2008-01-10  Raksit Ashok  <raksit@google.com>
5131
5132         PR rtl-optimization/27971
5133         * combine.c (find_split_point): Split PLUS expressions which are
5134         inside a MEM rtx, and whose first operand is complex.
5135
5136 2008-01-10  DJ Delorie  <dj@redhat.com>
5137
5138         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5139         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5140         (m32c_hard_regno_ok): Call the underlying function.
5141
5142 2008-01-10  Richard Guenther  <rguenther@suse.de>
5143
5144         PR middle-end/34683
5145         * tree-cfg.c (tree_merge_blocks): Do not go through the
5146         full-blown folding and stmt updating path if we just deal
5147         with virtual operands.
5148         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5149         test for abnormal SSA_NAMEs.
5150
5151 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5152
5153         PR middle-end/34641
5154         * reload.c (push_reload): Add assertions.  All constants from
5155         reg_equiv_constant should have been used for replacing the respective
5156         pseudo earlier.
5157         (find_reloads_address): Invoke find_reloads_address_part for
5158         constant taken from the reg_equiv_constant array.
5159
5160 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5161
5162         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5163         field (valnum) the first in the struct.  Replace bools with
5164         unit bit fields.
5165
5166 2008-01-10  Richard Guenther  <rguenther@suse.de>
5167
5168         PR tree-optimization/34651
5169         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5170         types and ordering for masking and converting.
5171
5172 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5173
5174         PR tree-optimization/34017
5175         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5176         also for PHI_NODE expressions.
5177
5178 2008-01-09  Jan Hubicka  <jh@suse.cz>
5179
5180         PR tree-optimization/34708
5181         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5182         based on number of case labels.
5183         (init_inline_once): Remove switch_cost.
5184         * tree-inline.h (eni_weights_d): Remove switch_cost.
5185
5186 2008-01-09  Richard Guenther  <rguenther@suse.de>
5187         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5188
5189         PR middle-end/30132
5190         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5191         temporary if an rvalue is ok or an lvalue is not required.
5192
5193 2008-01-09  Richard Guenther  <rguenther@suse.de>
5194
5195         PR middle-end/34458
5196         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5197         adjust return type.
5198
5199 2008-01-09  Richard Guenther  <rguenther@suse.de>
5200
5201         PR middle-end/34679
5202         * tree.c (host_integerp): Check for sizetype only if the
5203         type is an integer type.
5204
5205 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5206
5207         PR debug/26364
5208         * opts.c (decode_options): Disable inlining of functions called
5209         once if not in unit-at-a-time mode.
5210
5211 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5212
5213         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5214
5215 2008-01-08  Richard Guenther  <rguenther@suse.de>
5216
5217         PR middle-end/31863
5218         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5219         out early if the result will be unused.
5220
5221 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5222
5223         PR target/34709
5224         Revert:
5225
5226         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5227         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5228         for TARGET_RECIP.
5229
5230 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5231
5232         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5233         for vectorization tuned.
5234
5235 2008-01-08  Richard Guenther  <rguenther@suse.de>
5236
5237         PR tree-optimization/34683
5238         * tree-ssa-operands.c (operand_build_cmp): Export.
5239         * tree-ssa-operands.h (operand_build_cmp): Declare.
5240         * tree-vn.c (vuses_compare): Remove.
5241         (sort_vuses): Use operand_build_cmp.
5242         (sort_vuses_heap): Likewise.
5243         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5244         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5245         (vdefs_to_vec): Do not sort already sorted VDEFs.
5246
5247 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5248
5249         PR middle-end/34694
5250         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5251
5252 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5253
5254         PR target/34702
5255         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5256         limitations of reciprocal sequences on x86 targets.
5257
5258 2008-01-08  Richard Guenther  <rguenther@suse.de>
5259
5260         PR tree-optimization/34683
5261         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5262
5263 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5264
5265         PR target/34622
5266         * config/darwin.c (darwin_mergeable_string_section): Don't use
5267         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5268
5269 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5270
5271         PR target/34682
5272         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5273         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5274         predicates of op0 and op1 to register_operand.
5275         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5276         expander using X87MODEF mode iterator.  Change predicates of
5277         op0 and op1 to register_operand.
5278         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5279         corresponding patterns and macroize using MODEF macro.  Change
5280         predicates of op0 and op1 to register_operand and remove
5281         "m" constraint. Disparage "r" alternative with "!".
5282         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5283         macroize using X87MODEF macro.  Change predicates of op0 and op1
5284         to register_operand and remove "m" constraint.  Disparage "r"
5285         alternative with "!".
5286         (absneg splitter with memory operands): Remove.
5287         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5288         patterns and macroize using X87MODEF mode iterator.
5289         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5290         Change predicate of op1 to register_operand.
5291         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5292         for memory operands.
5293
5294 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5295
5296         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5297
5298 2008-01-07  Richard Guenther  <rguenther@suse.de>
5299
5300         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5301         fields.
5302
5303 2008-01-07  Richard Guenther  <rguenther@suse.de>
5304
5305         PR tree-optimization/34683
5306         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5307         VOPs of the needed size to save memory.  Use VEC_quick_push
5308         to save compile-time.
5309         (vdefs_to_vec): Likewise.
5310
5311 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5312
5313         * config/spu/spu.md (divdf3): Genetate inline code for double
5314         division.  The implementation doesn't handle INF or NAN, therefore it
5315         only applies when -ffinite-math-only is given.
5316
5317 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5318
5319         PR libstdc++/34680
5320         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5321         * doc/cpp.texi ([Common Predefined Macros]): Document.
5322
5323 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5324
5325         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5326         order to use commutative addition instead of subtraction.
5327
5328 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5329             Mircea Namolaru  <namolaru@il.ibm.com>
5330             Vladimir Yanovsky  <yanov@il.ibm.com>
5331             Revital Eres  <eres@il.ibm.com>
5332
5333         PR tree-optimization/34263
5334         * tree-outof-ssa.c (process_single_block_loop_latch,
5335         contains_tree_r): New functions.
5336         (analyze_edges_for_bb): Call process_single_block_loop_latch
5337         function to empty single-basic-block latch block if possible.
5338
5339 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5340
5341         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5342         for TARGET_RECIP.
5343         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5344
5345 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5346
5347         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5348
5349 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5350
5351         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5352
5353 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5354
5355         PR tree-optimization/34618
5356         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5357         flag from T.
5358
5359 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5360
5361         PR target/34673
5362         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5363         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5364         Update copyright year.
5365
5366         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5367         Update copyright year.
5368         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5369         using NR fixup.
5370
5371 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5372
5373         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5374         edge does not point to current bb before changing need_assert.
5375
5376 2008-01-04  Richard Guenther  <rguenther@suse.de>
5377
5378         PR middle-end/34029
5379         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5380         for verifying purposes if they are is_gimple_min_invariant.
5381
5382 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5383
5384         PR tree-optimization/34448
5385         PR tree-optimization/34465
5386         * gimplify.c (gimplify_init_constructor): Add new parameter
5387         notify_temp_creation.  Use it.
5388         (gimplify_modify_expr_rhs): Take volatiles into account when
5389         optimizing constructors.
5390         Do not optimize constructors if gimplify_init_constructor will dump to
5391         memory.
5392         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5393         * gcc.c-torture/compile/pr34448.c: New.
5394
5395 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5396
5397         PR gcov-profile/34609
5398         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5399         return_slot if result is TREE_ADDRESSABLE.
5400
5401 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5402
5403         * config/mips/mips.md (sqrt_condition): Tweak comment.
5404         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5405
5406 2008-01-03  Tom Tromey  <tromey@redhat.com>
5407
5408         PR c/34457
5409         * c-common.c (c_type_hash): Handle VLAs.
5410
5411 2008-01-03  Jan Hubicka  <jh@suse.cz>
5412
5413         PR tree-optimization/31081
5414         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5415         0 when inlining and not inlining to first basic block.
5416         (remap_decl): When var is initialized to 0, don't set default_def.
5417         (expand_call_inline): Set entry_bb.
5418         * tree-inline.h (copy_body_data): Add entry_bb.
5419
5420 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5421
5422         PR c++/34619
5423         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5424         before returning.
5425
5426         PR tree-optimization/29484
5427         * tree-inline.c (inline_forbidden_p_2): New function.
5428         (inline_forbidden_p): Disallow inlining if some static var
5429         has an address of a local LABEL_DECL in its initializer.
5430         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5431         vs. inlining.
5432
5433 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5434
5435         PR tree-optimization/34635
5436         * tree-data-ref.c (add_other_self_distances): Make sure that the
5437         evolution step is constant.
5438
5439 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5440
5441         PR middle-end/34608
5442         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5443
5444 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5445
5446         * tree-sra.c (scalarize_init): Insert the generate_element_init
5447         statements after the generate_element_zero statements.
5448
5449 2008-01-02  Richard Guenther  <rguenther@suse.de>
5450
5451         PR middle-end/34093
5452         PR middle-end/31976
5453         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5454         for very large number of operands instead of ICEing.
5455
5456 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5457
5458         PR target/34013
5459         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5460         while stack probing.
5461
5462 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5463
5464         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5465         in C++0x mode.
5466
5467 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5468
5469         PR libmudflap/26442
5470         * tree-mudflap.c (mx_register_decls): Guard warning by
5471         !DECL_ARTIFICIAL check.
5472
5473 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5474
5475         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5476         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5477         sse5_perm<mode>): Fix constraints.